// ./controllers/DashboardController.php
<?php
// controllers/DashboardController.php
require_once 'controllers/BaseController.php';
require_once 'models/Book.php';
require_once 'models/Chapter.php';
require_once 'models/Series.php';

class DashboardController extends BaseController {
    
    public function index() {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);
        $seriesModel = new Series($this->pdo);
        
        // Получаем статистику
        $books = $bookModel->findByUser($user_id);
        $published_books = $bookModel->findByUser($user_id, true);
        
        $total_books = count($books);
        $published_books_count = count($published_books);
        
        // Общее количество слов и глав
        $total_words = 0;
        $total_chapters = 0;
        foreach ($books as $book) {
            $stats = $bookModel->getBookStats($book['id']);
            $total_words += $stats['total_words'] ?? 0;
            $total_chapters += $stats['chapter_count'] ?? 0;
        }
        
        // Последние книги
        $recent_books = array_slice($books, 0, 5);
        
        // Серии
        $series = $seriesModel->findByUser($user_id);
        
        $this->render('dashboard/index', [
            'total_books' => $total_books,
            'published_books_count' => $published_books_count,
            'total_words' => $total_words,
            'total_chapters' => $total_chapters,
            'recent_books' => $recent_books,
            'series' => $series,
            'page_title' => 'Панель управления'
        ]);
    }
}
?>
// ./controllers/AuthController.php
<?php
// controllers/AuthController.php
require_once 'controllers/BaseController.php';
require_once 'models/User.php';

class AuthController extends BaseController {
    
    public function login() {
        // Если пользователь уже авторизован, перенаправляем на dashboard
        if (is_logged_in()) {
            $this->redirect('/dashboard');
        }

        $error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $username = trim($_POST['username'] ?? '');
                $password = $_POST['password'] ?? '';

                if (empty($username) || empty($password)) {
                    $error = 'Пожалуйста, введите имя пользователя и пароль';
                } else {
                    $userModel = new User($this->pdo);
                    $user = $userModel->findByUsername($username);

                    if ($user && $userModel->verifyPassword($password, $user['password_hash'])) {
                        if (!$user['is_active']) {
                            $error = 'Ваш аккаунт деактивирован или ожидает активации администратором.';
                        } else {
                            // Успешный вход
                            session_regenerate_id(true);
                            $_SESSION['user_id'] = $user['id'];
                            $_SESSION['username'] = $user['username'];
                            $_SESSION['display_name'] = $user['display_name'] ?: $user['username'];
                            $_SESSION['avatar'] = $user['avatar'] ?? null;
                            
                            // Обновляем время последнего входа
                            $userModel->updateLastLogin($user['id']);
                            
                            $_SESSION['success'] = 'Добро пожаловать, ' . e($user['display_name'] ?: $user['username']) . '!';
                            $this->redirect('/dashboard');
                        }
                    } else {
                        $error = 'Неверное имя пользователя или пароль';
                    }
                }
            }
        }

        $this->render('auth/login', [
            'error' => $error,
            'page_title' => 'Вход в систему'
        ]);
    }
    
    public function logout() {
        // Очищаем все данные сессии
        $_SESSION = [];

        if (ini_get("session.use_cookies")) {
            $params = session_get_cookie_params();
            setcookie(session_name(), '', time() - 42000,
                $params["path"], $params["domain"],
                $params["secure"], $params["httponly"]
            );
        }

        session_destroy();
        $this->redirect('/login');
    }
    
    public function register() {
        // Если пользователь уже авторизован, перенаправляем на dashboard
        if (is_logged_in()) {
            $this->redirect('/dashboard');
        }

        $error = '';
        $success = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $username = trim($_POST['username'] ?? '');
                $password = $_POST['password'] ?? '';
                $password_confirm = $_POST['password_confirm'] ?? '';
                $email = trim($_POST['email'] ?? '');
                $display_name = trim($_POST['display_name'] ?? '');

                // Валидация
                if (empty($username) || empty($password)) {
                    $error = 'Имя пользователя и пароль обязательны';
                } elseif ($password !== $password_confirm) {
                    $error = 'Пароли не совпадают';
                } elseif (strlen($password) < 6) {
                    $error = 'Пароль должен быть не менее 6 символов';
                } else {
                    $userModel = new User($this->pdo);
                    
                    // Проверяем, не занят ли username
                    if ($userModel->findByUsername($username)) {
                        $error = 'Имя пользователя уже занято';
                    } elseif ($email && $userModel->findByEmail($email)) {
                        $error = 'Email уже используется';
                    } else {
                        $data = [
                            'username' => $username,
                            'password' => $password,
                            'email' => $email ?: null,
                            'display_name' => $display_name ?: $username,
                            'is_active' => 1 // Авто-активация для простоты
                        ];
                        
                        if ($userModel->create($data)) {
                            $success = 'Регистрация успешна! Теперь вы можете войти в систему.';
                            // Можно автоматически войти после регистрации
                            // $this->redirect('/login');
                        } else {
                            $error = 'Ошибка при создании аккаунта';
                        }
                    }
                }
            }
        }

        $this->render('auth/register', [
            'error' => $error,
            'success' => $success,
            'page_title' => 'Регистрация'
        ]);
    }
}
?>
// ./controllers/ChapterController.php
<?php
// controllers/ChapterController.php
require_once 'controllers/BaseController.php';
require_once 'models/Chapter.php';
require_once 'models/Book.php';

class ChapterController extends BaseController {
    
    public function index($book_id) {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);

        // Проверяем права доступа к книге
        if (!$bookModel->userOwnsBook($book_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой книге";
            $this->redirect('/books');
        }

        // Получаем информацию о книге и главах
        $book = $bookModel->findById($book_id);
        $chapters = $chapterModel->findByBook($book_id);

        $this->render('chapters/index', [
            'book' => $book,
            'chapters' => $chapters,
            'page_title' => "Главы книги: " . e($book['title'])
        ]);
    }
    
    public function create($book_id) {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);

        // Проверяем права доступа к книге
        if (!$bookModel->userOwnsBook($book_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой книге";
            $this->redirect('/books');
        }

        $book = $bookModel->findById($book_id);
        $error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $title = trim($_POST['title'] ?? '');
                $content = $_POST['content'] ?? '';
                $status = $_POST['status'] ?? 'draft';

                if (empty($title)) {
                    $error = "Название главы обязательно";
                } else {
                    $data = [
                        'book_id' => $book_id,
                        'title' => $title,
                        'content' => $content,
                        'status' => $status
                    ];

                    if ($chapterModel->create($data)) {
                        $_SESSION['success'] = "Глава успешно создана";
                        $this->redirect("/books/{$book_id}/chapters");
                    } else {
                        $error = "Ошибка при создании главы";
                    }
                }
            }
        }

        $this->render('chapters/create', [
            'book' => $book,
            'error' => $error,
            'page_title' => "Новая глава для: " . e($book['title'])
        ]);
    }
    
    public function edit($id) {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        
        $chapterModel = new Chapter($this->pdo);
        $bookModel = new Book($this->pdo);

        // Проверяем права доступа к главе
        if (!$chapterModel->userOwnsChapter($id, $user_id)) {
            if (isset($_POST['autosave']) && $_POST['autosave'] === 'true') {
                // Для AJAX запросов возвращаем JSON
                header('Content-Type: application/json');
                echo json_encode(['success' => false, 'error' => 'Доступ запрещен']);
                exit;
            }
            $_SESSION['error'] = "У вас нет доступа к этой главе";
            $this->redirect('/books');
        }

        $chapter = $chapterModel->findById($id);
        
        // Дополнительная проверка - глава должна существовать
        if (!$chapter) {
            if (isset($_POST['autosave']) && $_POST['autosave'] === 'true') {
                header('Content-Type: application/json');
                echo json_encode(['success' => false, 'error' => 'Глава не найдена']);
                exit;
            }
            $_SESSION['error'] = "Глава не найдена";
            $this->redirect('/books');
        }

        $book = $bookModel->findById($chapter['book_id']);
        $error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $title = trim($_POST['title'] ?? '');
                $content = $_POST['content'] ?? '';
                $status = $_POST['status'] ?? 'draft';

                if (empty($title)) {
                    $error = "Название главы обязательно";
                } else {
                    $data = [
                        'title' => $title,
                        'content' => $content,
                        'status' => $status
                    ];

                    // Если это запрос автосейва, возвращаем JSON ответ
                    if (isset($_POST['autosave']) && $_POST['autosave'] === 'true') {
                        if ($chapterModel->update($id, $data)) {
                            header('Content-Type: application/json');
                            echo json_encode(['success' => true]);
                            exit;
                        } else {
                            header('Content-Type: application/json');
                            echo json_encode(['success' => false, 'error' => 'Ошибка при сохранении']);
                            exit;
                        }
                    }

                    // Обычный POST запрос (сохранение формы)
                    if ($chapterModel->update($id, $data)) {
                        $_SESSION['success'] = "Глава успешно обновлена";
                        $this->redirect("/books/{$chapter['book_id']}/chapters");
                    } else {
                        $error = "Ошибка при обновлении главы";
                    }
                }
            }
        }

        $this->render('chapters/edit', [
            'chapter' => $chapter,
            'book' => $book,
            'error' => $error,
            'page_title' => "Редактирование главы: " . e($chapter['title'])
        ]);
    }
    
    public function delete($id) {
        $this->requireLogin();
        
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect('/books');
        }

        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect('/books');
        }

        $user_id = $_SESSION['user_id'];
        $chapterModel = new Chapter($this->pdo);

        // Проверяем права доступа
        if (!$chapterModel->userOwnsChapter($id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой главе";
            $this->redirect('/books');
        }

        $chapter = $chapterModel->findById($id);
        $book_id = $chapter['book_id'];

        // Удаляем главу
        if ($chapterModel->delete($id)) {
            $_SESSION['success'] = "Глава успешно удалена";
        } else {
            $_SESSION['error'] = "Ошибка при удалении главы";
        }

        $this->redirect("/books/{$book_id}/chapters");
    }
    
    public function preview() {
        $this->requireLogin();
        
        $content = $_POST['content'] ?? '';
        $title = $_POST['title'] ?? 'Предпросмотр';
        
        // Просто используем HTML как есть
        $html_content = $content;
        
        $this->render('chapters/preview', [
            'content' => $html_content,
            'title' => $title,
            'page_title' => "Предпросмотр: " . e($title)
        ]);
    }

}
?>
// ./controllers/ExportController.php
<?php
// controllers/ExportController.php
require_once 'controllers/BaseController.php';
require_once 'models/Book.php';
require_once 'models/Chapter.php';
require_once 'vendor/autoload.php';

use PhpOffice\PhpWord\PhpWord;
use PhpOffice\PhpWord\IOFactory;
use TCPDF;

class ExportController extends BaseController {
    
    public function export($book_id, $format = 'pdf') {
        
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);
        
        $book = $bookModel->findById($book_id);
        if (!$book || $book['user_id'] != $user_id) {
            $_SESSION['error'] = "Доступ запрещен";
            $this->redirect('/books');
        }

        // Для автора - все главы
        $chapters = $chapterModel->findByBook($book_id);
        
        // Получаем информацию об авторе
        $author_name = $this->getAuthorName($book['user_id']);

        $this->handleExport($book, $chapters, false, $author_name, $format);
    }
    
    public function exportShared($share_token, $format = 'pdf') {
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);
        
        $book = $bookModel->findByShareToken($share_token);
        if (!$book) {
            $_SESSION['error'] = "Книга не найдена";
            $this->redirect('/');
        }

        // Для публичного доступа - только опубликованные главы
        $chapters = $chapterModel->getPublishedChapters($book['id']);
        
        // Получаем информацию об авторе
        $author_name = $this->getAuthorName($book['user_id']);

        $this->handleExport($book, $chapters, true, $author_name, $format);
    }
    
    private function getAuthorName($user_id) {
        $stmt = $this->pdo->prepare("SELECT display_name, username FROM users WHERE id = ?");
        $stmt->execute([$user_id]);
        $author_info = $stmt->fetch(PDO::FETCH_ASSOC);
        
        if ($author_info && $author_info['display_name'] != "") {
            return $author_info['display_name'];
        } elseif ($author_info) {
            return $author_info['username'];
        }
        
        return "Неизвестный автор";
    }
    
    private function handleExport($book, $chapters, $is_public, $author_name, $format) {

        
        switch ($format) {
            case 'pdf':
                $this->exportPDF($book, $chapters, $is_public, $author_name);
                break;
            case 'docx':
                $this->exportDOCX($book, $chapters, $is_public, $author_name);
                break;
            case 'html':
                $this->exportHTML($book, $chapters, $is_public, $author_name);
                break;
            case 'txt':
                $this->exportTXT($book, $chapters, $is_public, $author_name);
                break;
            default:
                $_SESSION['error'] = "Неверный формат экспорта";
                $redirect_url = $is_public ? 
                    "/book/{$book['share_token']}" : 
                    "/books/{$book['id']}/edit";
                $this->redirect($redirect_url);
        }
    }
    
    function exportPDF($book, $chapters, $is_public, $author_name) {

        
        $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
        
        // Устанавливаем метаданные документа
        $pdf->SetCreator(APP_NAME);
        $pdf->SetAuthor($author_name);
        $pdf->SetTitle($book['title']);
        $pdf->SetSubject($book['genre'] ?? '');
        
        // Устанавливаем margins
        $pdf->SetMargins(15, 25, 15);
        $pdf->SetHeaderMargin(10);
        $pdf->SetFooterMargin(10);
        
        // Устанавливаем авто разрыв страниц
        $pdf->SetAutoPageBreak(TRUE, 15);
        
        // Добавляем страницу
        $pdf->AddPage();
        
        // Устанавливаем шрифт с поддержкой кириллицы
        $pdf->SetFont('dejavusans', '', 12);
        
        // Заголовок книги
        $pdf->SetFont('dejavusans', 'B', 18);
        $pdf->Cell(0, 10, $book['title'], 0, 1, 'C');
        $pdf->Ln(2);
        
        // Автор
        $pdf->SetFont('dejavusans', 'I', 14);
        $pdf->Cell(0, 10, $author_name, 0, 1, 'C');
        $pdf->Ln(5);
        
        // Обложка книги
        if (!empty($book['cover_image'])) {
            $cover_path = COVERS_PATH . $book['cover_image'];
            if (file_exists($cover_path)) {
                list($width, $height) = getimagesize($cover_path);
                $max_width = 80;
                $ratio = $width / $height;
                $new_height = $max_width / $ratio;
                
                $x = (210 - $max_width) / 2;
                $pdf->Image($cover_path, $x, $pdf->GetY(), $max_width, $new_height, '', '', 'N', false, 300, '', false, false, 0, false, false, false);
                $pdf->Ln($new_height + 5);
            }
        }
        
        // Жанр
        if (!empty($book['genre'])) {
            $pdf->SetFont('dejavusans', 'I', 12);
            $pdf->Cell(0, 10, 'Жанр: ' . $book['genre'], 0, 1, 'C');
            $pdf->Ln(5);
        }
        
        // Описание
        if (!empty($book['description'])) {
            $pdf->SetFont('dejavusans', '', 11);
            $pdf->MultiCell(0, 6, $book['description'], 0, 'J');
            $pdf->Ln(10);
        }
        
        // Интерактивное оглавление
        $chapterLinks = [];
        if (!empty($chapters)) {
            $pdf->SetFont('dejavusans', 'B', 14);
            $pdf->Cell(0, 10, 'Оглавление', 0, 1, 'C');
            $pdf->Ln(5);
            
            $toc_page = $pdf->getPage();
            
            $pdf->SetFont('dejavusans', '', 11);
            foreach ($chapters as $index => $chapter) {
                $chapter_number = $index + 1;
                $link = $pdf->AddLink();
                $chapterLinks[$chapter['id']] = $link; // Сохраняем ссылку для этой главы
                $pdf->Cell(0, 6, "{$chapter_number}. {$chapter['title']}", 0, 1, 'L', false, $link);
            }
            $pdf->Ln(10);
        }
        
        // Разделитель
        $pdf->Line(15, $pdf->GetY(), 195, $pdf->GetY());
        $pdf->Ln(10);
        
        // Главы с закладками и правильными ссылками
        foreach ($chapters as $index => $chapter) {
            // Добавляем новую страницу для каждой главы
            $pdf->AddPage();
            
            // УСТАНАВЛИВАЕМ ЯКОРЬ ДЛЯ ССЫЛКИ
            if (isset($chapterLinks[$chapter['id']])) {
                $pdf->SetLink($chapterLinks[$chapter['id']]);
            }
            
            // Устанавливаем закладку для этой главы
            $pdf->Bookmark($chapter['title'], 0, 0, '', 'B', array(0, 0, 0));
            
            // Название главы
            $pdf->SetFont('dejavusans', 'B', 14);
            $pdf->Cell(0, 8, $chapter['title'], 0, 1);
            $pdf->Ln(2);
            
            // Контент главы
            $pdf->SetFont('dejavusans', '', 11);

            $htmlContent = $chapter['content'];

            $pdf->writeHTML($htmlContent, true, false, true, false, '');
            
            $pdf->Ln(8);
        }
        
        // Футер с информацией
        $pdf->SetY(-25);
        $pdf->SetFont('dejavusans', 'I', 8);
        $pdf->Cell(0, 6, 'Экспортировано из ' . APP_NAME . ' - ' . date('d.m.Y H:i'), 0, 1, 'C');
        $pdf->Cell(0, 6, 'Автор: ' . $author_name . ' | Всего глав: ' . count($chapters) . ' | Всего слов: ' . array_sum(array_column($chapters, 'word_count')), 0, 1, 'C');
        
        // Отправляем файл
        $filename = cleanFilename($book['title']) . '.pdf';
        $pdf->Output($filename, 'D');
        exit;
    }

    function exportDOCX($book, $chapters, $is_public, $author_name) {
       
        $phpWord = new PhpWord();
        
        // Стили документа
        $phpWord->setDefaultFontName('Times New Roman');
        $phpWord->setDefaultFontSize(12);
        
        // Секция документа
        $section = $phpWord->addSection();
        
        // Заголовок книги
        $section->addText($book['title'], ['bold' => true, 'size' => 16], ['alignment' => 'center']);
        $section->addTextBreak(1);
        
        // Автор
        $section->addText($author_name, ['italic' => true, 'size' => 14], ['alignment' => 'center']);
        $section->addTextBreak(2);
        
        // Обложка книги
        if (!empty($book['cover_image'])) {
            $cover_path = COVERS_PATH . $book['cover_image'];
            if (file_exists($cover_path)) {
                $section->addImage($cover_path, [
                    'width' => 150,
                    'height' => 225,
                    'alignment' => 'center'
                ]);
                $section->addTextBreak(2);
            }
        }
        
        // Жанр
        if (!empty($book['genre'])) {
            $section->addText('Жанр: ' . $book['genre'], ['italic' => true], ['alignment' => 'center']);
            $section->addTextBreak(1);
        }
        
        // Описание
        if (!empty($book['description'])) {
            
            $descriptionParagraphs = $this->htmlToParagraphs($book['description']);
            
            foreach ($descriptionParagraphs as $paragraph) {
                if (!empty(trim($paragraph))) {
                    $section->addText($paragraph);
                }
            }
            $section->addTextBreak(2);
        }
        
        // Интерактивное оглавление
        if (!empty($chapters)) {
            $section->addText('Оглавление', ['bold' => true, 'size' => 14], ['alignment' => 'center']);
            $section->addTextBreak(1);
            
            foreach ($chapters as $index => $chapter) {
                $chapter_number = $index + 1;
                // Создаем гиперссылку на заголовок главы
                $section->addLink("chapter_{$chapter['id']}", "{$chapter_number}. {$chapter['title']}", null, null, true);
                $section->addTextBreak(1);
            }
            $section->addTextBreak(2);
        }
        
        // Разделитель
        $section->addPageBreak();
        
        // Главы с закладками
        foreach ($chapters as $index => $chapter) {
            // Добавляем закладку для главы
            $section->addBookmark("chapter_{$chapter['id']}");
            
            // Заголовок главы
            $section->addText($chapter['title'], ['bold' => true, 'size' => 14]);
            $section->addTextBreak(1);
            
            // Получаем очищенный текст и разбиваем на абзацы

            $cleanContent = strip_tags($chapter['content']);
            $paragraphs = $this->htmlToParagraphs($chapter['content']);
            
            
            // Добавляем каждый абзац
            foreach ($paragraphs as $paragraph) {
                if (!empty(trim($paragraph))) {
                    $section->addText($paragraph);
                    $section->addTextBreak(1);
                }
            }
            
            // Добавляем разрыв страницы между главами (кроме последней)
            if ($index < count($chapters) - 1) {
                $section->addPageBreak();
            }
        }
        
        // Футер
        $section->addTextBreak(2);
        $section->addText('Экспортировано из ' . APP_NAME . ' - ' . date('d.m.Y H:i'), ['italic' => true, 'size' => 9]);
        $section->addText('Автор: ' . $author_name . ' | Всего глав: ' . count($chapters) . ' | Всего слов: ' . array_sum(array_column($chapters, 'word_count')), ['italic' => true, 'size' => 9]);
        
        // Сохраняем и отправляем
        $filename = cleanFilename($book['title']) . '.docx';
        header('Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document');
        header('Content-Disposition: attachment; filename="' . $filename . '"');
        
        $objWriter = IOFactory::createWriter($phpWord, 'Word2007');
        $objWriter->save('php://output');
        exit;
    }
    
    function exportHTML($book, $chapters, $is_public, $author_name) {
        
        $html = '<!DOCTYPE html>
        <html lang="ru">
        <head>
            <meta charset="UTF-8">
            <meta name="viewport" content="width=device-width, initial-scale=1.0">
            <title>' . htmlspecialchars($book['title']) . '</title>
            <style>
                body { 
                    font-family: "Times New Roman", serif; 
                    line-height: 1.6; 
                    margin: 40px; 
                    max-width: 900px;
                    margin-left: auto;
                    margin-right: auto;
                    color: #333;
                }
                .book-title { 
                    text-align: center; 
                    font-size: 24px; 
                    font-weight: bold;
                    margin-bottom: 5px;
                }
                .book-author {
                    text-align: center;
                    font-size: 18px;
                    font-style: italic;
                    color: #666;
                    margin-bottom: 20px;
                }
                .book-cover {
                    text-align: center;
                    margin: 20px 0;
                }
                .book-cover img {
                    max-width: 200px;
                    height: auto;
                    border-radius: 8px;
                    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
                }
                .book-genre { 
                    text-align: center; 
                    font-style: italic; 
                    color: #666;
                    margin-bottom: 20px;
                }
                .book-description {
                    background: #f8f9fa;
                    padding: 20px;
                    border-radius: 5px;
                    margin: 20px 0;
                    border-left: 4px solid #007bff;
                }
                .table-of-contents {
                    background: #f8f9fa;
                    padding: 20px;
                    border-radius: 5px;
                    margin: 20px 0;
                    columns: 1;
                    column-gap: 2rem;
                }
                .table-of-contents h3 {
                    margin-top: 0;
                    text-align: center;
                    column-span: all;
                }
                .table-of-contents ul {
                    list-style-type: none;
                    padding-left: 0;
                }
                .table-of-contents li {
                    margin-bottom: 5px;
                    padding: 5px 0;
                    break-inside: avoid;
                }
                .table-of-contents a {
                    text-decoration: none;
                    color: #333;
                }
                .table-of-contents a:hover {
                    color: #007bff;
                }
                .chapter-title {
                    border-bottom: 2px solid #007bff;
                    padding-bottom: 10px;
                    margin-top: 30px;
                    font-size: 20px;
                    scroll-margin-top: 2rem;
                }
                .chapter-content {
                    margin: 20px 0;
                    text-align: justify;
                }
                .footer {
                    margin-top: 40px;
                    padding-top: 20px;
                    border-top: 1px solid #ddd;
                    text-align: center;
                    font-size: 12px;
                    color: #666;
                }
                /* Отображение абзацев */
                .chapter-content p {
                    margin-bottom: 1em;
                    text-align: justify;
                }
                .dialogue {
                    margin-left: 2rem;
                    font-style: italic;
                    color: #2c5aa0;
                    margin-bottom: 1em;
                }
                /* Остальные стили */
                .chapter-content h1, .chapter-content h2, .chapter-content h3 {
                    margin-top: 1.5em;
                    margin-bottom: 0.5em;
                }
                .chapter-content blockquote {
                    border-left: 4px solid #007bff;
                    padding-left: 15px;
                    margin-left: 0;
                    color: #555;
                    font-style: italic;
                }
                .chapter-content code {
                    background: #f5f5f5;
                    padding: 2px 4px;
                    border-radius: 3px;
                }
                .chapter-content pre {
                    background: #f5f5f5;
                    padding: 1rem;
                    border-radius: 5px;
                    overflow-x: auto;
                }
                .chapter-content ul, .chapter-content ol {
                    margin-bottom: 1rem;
                    padding-left: 2rem;
                }
                .chapter-content table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-bottom: 1rem;
                }
                .chapter-content th, .chapter-content td {
                    border: 1px solid #ddd;
                    padding: 8px 12px;
                    text-align: left;
                }
                .chapter-content th {
                    background: #f5f5f5;
                }
                @media (max-width: 768px) {
                    .table-of-contents {
                        columns: 1;
                    }
                }
            </style>
        </head>
        <body>
            <div class="book-title">' . htmlspecialchars($book['title']) . '</div>
            <div class="book-author">' . htmlspecialchars($author_name) . '</div>';
            
            if (!empty($book['genre'])) {
                $html .= '<div class="book-genre">Жанр: ' . htmlspecialchars($book['genre']) . '</div>';
            }
            
            // Обложка книги
            if (!empty($book['cover_image'])) {
                $cover_url = COVERS_URL . $book['cover_image'];
                $html .= '<div class="book-cover">';
                $html .= '<img src="' . $cover_url . '" alt="' . htmlspecialchars($book['title']) . '">';
                $html .= '</div>';
            }
            
            if (!empty($book['description'])) {
                $html .= '<div class="book-description">';
                $html .= $book['description'];
                $html .= '</div>';
            }
            
            // Интерактивное оглавление
            if (!empty($chapters)) {
                $html .= '<div class="table-of-contents">';
                $html .= '<h3>Оглавление</h3>';
                $html .= '<ul>';
                foreach ($chapters as $index => $chapter) {
                    $chapter_number = $index + 1;
                    $html .= '<li><a href="#chapter-' . $chapter['id'] . '">' . $chapter_number . '. ' . htmlspecialchars($chapter['title']) . '</a></li>';
                }
                $html .= '</ul>';
                $html .= '</div>';
            }
            
            $html .= '<hr style="margin: 30px 0;">';
            
            foreach ($chapters as $index => $chapter) {
                $html .= '<div class="chapter">';
                $html .= '<div class="chapter-title" id="chapter-' . $chapter['id'] . '" name="chapter-' . $chapter['id'] . '">' . htmlspecialchars($chapter['title']) . '</div>';
                $html .= '<div class="chapter-content">' . $chapter['content']. '</div>';
                $html .= '</div>';
                
                if ($index < count($chapters) - 1) {
                    $html .= '<hr style="margin: 30px 0;">';
                }
            }
            
            $html .= '<div class="footer">
                Экспортировано из ' . APP_NAME . ' - ' . date('d.m.Y H:i') . '<br>
                Автор: ' . htmlspecialchars($author_name) . ' | Всего глав: ' . count($chapters) . ' | Всего слов: ' . array_sum(array_column($chapters, 'word_count')) . '
            </div>
        </body>
        </html>';
        
        $filename = cleanFilename($book['title']) . '.html';
        header('Content-Type: text/html; charset=utf-8');
        header('Content-Disposition: attachment; filename="' . $filename . '"');
        echo $html;
        exit;
    }

    function exportTXT($book, $chapters, $is_public, $author_name) {
        $content = "=" . str_repeat("=", 80) . "=\n";
        $content .= str_pad($book['title'], 80, " ", STR_PAD_BOTH) . "\n";
        $content .= str_pad($author_name, 80, " ", STR_PAD_BOTH) . "\n";
        $content .= "=" . str_repeat("=", 80) . "=\n\n";
        
        if (!empty($book['genre'])) {
            $content .= "Жанр: " . $book['genre'] . "\n\n";
        }
        
        if (!empty($book['description'])) {
            $content .= "ОПИСАНИЕ:\n";
            
            // Обрабатываем описание
            $descriptionText = strip_tags($book['description']);
            $content .= wordwrap($descriptionText, 144) . "\n\n";
        }
        
        // Оглавление
        if (!empty($chapters)) {
            $content .= "ОГЛАВЛЕНИЕ:\n";
            $content .= str_repeat("-", 60) . "\n";
            foreach ($chapters as $index => $chapter) {
                $chapter_number = $index + 1;
                $content .= "{$chapter_number}. {$chapter['title']}\n";
            }
            $content .= "\n";
        }
        
        $content .= str_repeat("-", 144) . "\n\n";
        
        foreach ($chapters as $index => $chapter) {
            $content .= $chapter['title'] . "\n";
            $content .= str_repeat("-", 60) . "\n\n";
            
            // Получаем очищенный текст
            $cleanContent = strip_tags($chapter['content']);
            $paragraphs = $this->htmlToPlainTextParagraphs($cleanContent);
            
            foreach ($paragraphs as $paragraph) {
                if (!empty(trim($paragraph))) {
                    $content .= wordwrap($paragraph, 144) . "\n\n";
                }
            }
            
            if ($index < count($chapters) - 1) {
                $content .= str_repeat("-", 144) . "\n\n";
            }
        }
        
        $content .= "\n" . str_repeat("=", 144) . "\n";
        $content .= "Экспортировано из " . APP_NAME . " - " . date('d.m.Y H:i') . "\n";
        $content .= "Автор: " . $author_name . " | Всего глав: " . count($chapters) . " | Всего слов: " . array_sum(array_column($chapters, 'word_count')) . "\n";
        $content .= str_repeat("=", 144) . "\n";
        
        $filename = cleanFilename($book['title']) . '.txt';
        header('Content-Type: text/plain; charset=utf-8');
        header('Content-Disposition: attachment; filename="' . $filename . '"');
        echo $content;
        exit;
    }

    // Функция для разбивки HTML на абзацы
    function htmlToParagraphs($html) {
        // Убираем HTML теги и нормализуем пробелы
        $text = strip_tags($html);
        $text = preg_replace('/\s+/', ' ', $text);
        
        // Разбиваем на абзацы по точкам и переносам строк
        $paragraphs = preg_split('/(?<=[.!?])\s+/', $text);
        
        // Фильтруем пустые абзацы
        $paragraphs = array_filter($paragraphs, function($paragraph) {
            return !empty(trim($paragraph));
        });
        
        return $paragraphs;
    }
    
    function htmlToPlainTextParagraphs($html) {
        // Убираем HTML теги
        $text = strip_tags($html);
        
        // Заменяем HTML entities
        $text = html_entity_decode($text, ENT_QUOTES | ENT_HTML5, 'UTF-8');
        
        // Нормализуем переносы строк
        $text = str_replace(["\r\n", "\r"], "\n", $text);
        
        // Разбиваем на строки
        $lines = explode("\n", $text);
        $paragraphs = [];
        $currentParagraph = '';
        
        foreach ($lines as $line) {
            $trimmedLine = trim($line);
            
            // Пустая строка - конец абзаца
            if (empty($trimmedLine)) {
                if (!empty($currentParagraph)) {
                    $paragraphs[] = $currentParagraph;
                    $currentParagraph = '';
                }
                continue;
            }
            
            // Добавляем к текущему абзацу
            if (!empty($currentParagraph)) {
                $currentParagraph .= ' ' . $trimmedLine;
            } else {
                $currentParagraph = $trimmedLine;
            }
        }
        
        // Добавляем последний абзац
        if (!empty($currentParagraph)) {
            $paragraphs[] = $currentParagraph;
        }
        
        return $paragraphs;
    }
}
?>
// ./controllers/BaseController.php
<?php
// controllers/BaseController.php
class BaseController {
    protected $pdo;
    
    public function __construct() {
        global $pdo;
        $this->pdo = $pdo;
    }
    
    protected function render($view, $data = []) {
        extract($data);
        include "views/$view.php";
    }
    
    protected function redirect($url) {
        header("Location: " . SITE_URL . $url);
        exit;
    }
    
    protected function requireLogin() {
        if (!is_logged_in()) {
            $this->redirect('/login');
        }
    }
    
    protected function requireAdmin() {
        if (!is_logged_in()) {
            $this->redirect('/login');
            return;
        }
        
        global $pdo;
        $userModel = new User($pdo);
        $user = $userModel->findById($_SESSION['user_id']);
        
        if (!$user || $user['id'] != 1) { // Предполагаем, что администратор имеет ID = 1
            $_SESSION['error'] = "У вас нет прав администратора";
            $this->redirect('/dashboard');
            exit;
        }
    }

    protected function jsonResponse($data) {
        header('Content-Type: application/json');
        echo json_encode($data);
        exit;
    }
}
?>
// ./controllers/SeriesController.php
<?php
// controllers/SeriesController.php
require_once 'controllers/BaseController.php';
require_once 'models/Series.php';
require_once 'models/Book.php';

class SeriesController extends BaseController {
    
    public function index() {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);
        $series = $seriesModel->findByUser($user_id);

        // Получаем статистику для каждой серии отдельно
        foreach ($series as &$ser) {
            $stats = $seriesModel->getSeriesStats($ser['id'], $user_id);
            $ser['book_count'] = $stats['book_count'] ?? 0;
            $ser['total_words'] = $stats['total_words'] ?? 0;
        }
        unset($ser);

        $this->render('series/index', [
            'series' => $series,
            'page_title' => "Мои серии книг"
        ]);
    }
    
    public function create() {
        $this->requireLogin();
        
        $error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $title = trim($_POST['title'] ?? '');
                $description = trim($_POST['description'] ?? '');

                if (empty($title)) {
                    $error = "Название серии обязательно";
                } else {
                    $seriesModel = new Series($this->pdo);
                    $data = [
                        'title' => $title,
                        'description' => $description,
                        'user_id' => $_SESSION['user_id']
                    ];

                    if ($seriesModel->create($data)) {
                        $_SESSION['success'] = "Серия успешно создана";
                        $new_series_id = $this->pdo->lastInsertId();
                        $this->redirect("/series/{$new_series_id}/edit");
                    } else {
                        $error = "Ошибка при создании серии";
                    }
                }
            }
        }

        $this->render('series/create', [
            'error' => $error,
            'page_title' => "Создание новой серии"
        ]);
    }
    
    public function edit($id) {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);
        $series = $seriesModel->findById($id);

        if (!$series || !$seriesModel->userOwnsSeries($id, $user_id)) {
            $_SESSION['error'] = "Серия не найдена или у вас нет доступа";
            $this->redirect('/series');
        }

        $error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $title = trim($_POST['title'] ?? '');
                $description = trim($_POST['description'] ?? '');

                if (empty($title)) {
                    $error = "Название серии обязательно";
                } else {
                    $data = [
                        'title' => $title,
                        'description' => $description,
                        'user_id' => $user_id
                    ];

                    if ($seriesModel->update($id, $data)) {
                        $_SESSION['success'] = "Серия успешно обновлена";
                        $this->redirect('/series');
                    } else {
                        $error = "Ошибка при обновлении серии";
                    }
                }
            }
        }

        // Получаем книги в серии
        $bookModel = new Book($this->pdo);
        $books_in_series = $bookModel->findBySeries($id);

        $this->render('series/edit', [
            'series' => $series,
            'books_in_series' => $books_in_series,
            'error' => $error,
            'page_title' => "Редактирование серии: " . e($series['title'])
        ]);
    }
    
    public function delete($id) {
        $this->requireLogin();
        
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect('/series');
        }

        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect('/series');
        }

        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);

        if (!$seriesModel->userOwnsSeries($id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой серии";
            $this->redirect('/series');
        }

        if ($seriesModel->delete($id, $user_id)) {
            $_SESSION['success'] = "Серия успешно удалена";
        } else {
            $_SESSION['error'] = "Ошибка при удалении серии";
        }

        $this->redirect('/series');
    }
    
    public function viewPublic($id) {
        $seriesModel = new Series($this->pdo);
        $series = $seriesModel->findById($id);

        if (!$series) {
            http_response_code(404);
            $this->render('errors/404');
            return;
        }

        // Получаем только опубликованные книги серии
        $books = $seriesModel->getBooksInSeries($id, true);

        // Получаем информацию об авторе
        $stmt = $this->pdo->prepare("SELECT id, username, display_name FROM users WHERE id = ?");
        $stmt->execute([$series['user_id']]);
        $author = $stmt->fetch(PDO::FETCH_ASSOC);

        // Получаем статистику по опубликованным книгам
        $bookModel = new Book($this->pdo);
        $total_words = 0;
        $total_chapters = 0;

        foreach ($books as $book) {
            $book_stats = $bookModel->getBookStats($book['id'], true);
            $total_words += $book_stats['total_words'] ?? 0;
            $total_chapters += $book_stats['chapter_count'] ?? 0;
        }

        $this->render('series/view_public', [
            'series' => $series,
            'books' => $books,
            'author' => $author,
            'total_words' => $total_words,
            'total_chapters' => $total_chapters,
            'page_title' => $series['title'] . ' — серия книг'
        ]);
    }

    public function addBook($series_id) {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);
        $bookModel = new Book($this->pdo);

        if (!$seriesModel->userOwnsSeries($series_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой серии";
            $this->redirect('/series');
        }

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $_SESSION['error'] = "Ошибка безопасности";
                $this->redirect("/series/{$series_id}/edit");
            }

            $book_id = (int)($_POST['book_id'] ?? 0);
            $sort_order = (int)($_POST['sort_order'] ?? 0);

            if (!$book_id) {
                $_SESSION['error'] = "Выберите книгу";
                $this->redirect("/series/{$series_id}/edit");
            }

            // Проверяем, что книга принадлежит пользователю
            if (!$bookModel->userOwnsBook($book_id, $user_id)) {
                $_SESSION['error'] = "У вас нет доступа к этой книге";
                $this->redirect("/series/{$series_id}/edit");
            }

            // Добавляем книгу в серию
            if ($bookModel->updateSeriesInfo($book_id, $series_id, $sort_order)) {
                $_SESSION['success'] = "Книга добавлена в серию";
            } else {
                $_SESSION['error'] = "Ошибка при добавлении книги в серию";
            }

            $this->redirect("/series/{$series_id}/edit");
        }
    }

    public function removeBook($series_id, $book_id) {
        $this->requireLogin();
        
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect("/series/{$series_id}/edit");
        }

        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect("/series/{$series_id}/edit");
        }

        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);
        $bookModel = new Book($this->pdo);

        if (!$seriesModel->userOwnsSeries($series_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой серии";
            $this->redirect('/series');
        }

        // Проверяем, что книга принадлежит пользователю
        if (!$bookModel->userOwnsBook($book_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой книге";
            $this->redirect("/series/{$series_id}/edit");
        }

        // Удаляем книгу из серии
        if ($bookModel->removeFromSeries($book_id)) {
            $_SESSION['success'] = "Книга удалена из серии";
        } else {
            $_SESSION['error'] = "Ошибка при удалении книги из серии";
        }

        $this->redirect("/series/{$series_id}/edit");
    }

    public function updateBookOrder($series_id) {
        $this->requireLogin();
        
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect("/series/{$series_id}/edit");
        }

        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect("/series/{$series_id}/edit");
        }

        $user_id = $_SESSION['user_id'];
        $seriesModel = new Series($this->pdo);
        $bookModel = new Book($this->pdo);

        if (!$seriesModel->userOwnsSeries($series_id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой серии";
            $this->redirect('/series');
        }

        $order_data = $_POST['order'] ?? [];
        
        if (empty($order_data)) {
            $_SESSION['error'] = "Нет данных для обновления";
            $this->redirect("/series/{$series_id}/edit");
        }

        // Обновляем порядок книг
        if ($bookModel->reorderSeriesBooks($series_id, $order_data)) {
            $_SESSION['success'] = "Порядок книг обновлен";
        } else {
            $_SESSION['error'] = "Ошибка при обновлении порядка книг";
        }

        $this->redirect("/series/{$series_id}/edit");
    }
}
?>
// ./controllers/UserController.php
<?php
// controllers/UserController.php
require_once 'controllers/BaseController.php';
require_once 'models/User.php';
require_once 'models/Book.php';

class UserController extends BaseController {
    
    public function profile() {
        $this->requireLogin();
        
        $user_id = $_SESSION['user_id'];
        $userModel = new User($this->pdo);
        $user = $userModel->findById($user_id);

        $message = '';
        $avatar_error = '';

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $message = "Ошибка безопасности";
            } else {
                $display_name = trim($_POST['display_name'] ?? '');
                $email = trim($_POST['email'] ?? '');
                $bio = trim($_POST['bio'] ?? '');
                
                // Обработка загрузки аватарки
                if (isset($_FILES['avatar']) && $_FILES['avatar']['error'] === UPLOAD_ERR_OK) {
                    $avatar_result = handleAvatarUpload($_FILES['avatar'], $user_id);
                    if ($avatar_result['success']) {
                        $userModel->updateAvatar($user_id, $avatar_result['filename']);
                        // Обновляем данные пользователя
                        $user = $userModel->findById($user_id);
                    } else {
                        $avatar_error = $avatar_result['error'];
                    }
                }
                
                // Обработка удаления аватарки
                if (isset($_POST['delete_avatar']) && $_POST['delete_avatar'] == '1') {
                    deleteUserAvatar($user_id);
                    $user = $userModel->findById($user_id);
                }
                
                // Обновляем основные данные
                $data = [
                    'display_name' => $display_name,
                    'email' => $email,
                    'bio' => $bio
                ];
                
                if ($userModel->updateProfile($user_id, $data)) {
                    $_SESSION['display_name'] = $display_name ?: $user['username'];
                    $message = "Профиль обновлен";
                    // Обновляем данные пользователя
                    $user = $userModel->findById($user_id);
                } else {
                    $message = "Ошибка при обновлении профиля";
                }
            }
        }

        $this->render('user/profile', [
            'user' => $user,
            'message' => $message,
            'avatar_error' => $avatar_error,
            'page_title' => "Мой профиль"
        ]);
    }
    
    public function updateProfile() {
        $this->requireLogin();
        
        // Эта функция обрабатывает AJAX или прямые POST запросы для обновления профиля
        // Можно объединить с методом profile() или оставить отдельно для API-like операций
        $this->profile(); // Перенаправляем на основной метод
    }
    
    public function viewPublic($id) {
        $userModel = new User($this->pdo);
        $user = $userModel->findById($id);

        if (!$user) {
            http_response_code(404);
            $this->render('errors/404');
            return;
        }

        $bookModel = new Book($this->pdo);
        $books = $bookModel->findByUser($id, true); // только опубликованные

        // Получаем статистику автора
        $total_books = count($books);
        $total_words = 0;
        $total_chapters = 0;

        foreach ($books as $book) {
            $book_stats = $bookModel->getBookStats($book['id'], true);
            $total_words += $book_stats['total_words'] ?? 0;
            $total_chapters += $book_stats['chapter_count'] ?? 0;
        }



        $this->render('user/view_public', [
            'user' => $user,
            'books' => $books,
            'total_books' => $total_books,
            'total_words' => $total_words,
            'total_chapters' => $total_chapters,
            'page_title' => ($user['display_name'] ?: $user['username']) . ' — публичная страница'
        ]);
    }
}
?>
// ./controllers/BookController.php
<?php
// controllers/BookController.php
require_once 'controllers/BaseController.php';
require_once 'models/Book.php';
require_once 'models/Chapter.php';
require_once 'models/Series.php';

class BookController extends BaseController {
    public function index() {
        $this->requireLogin();
        $user_id = $_SESSION['user_id'];
        $bookModel = new Book($this->pdo);
        $books = $bookModel->findByUser($user_id);
        $this->render('books/index', [
            'books' => $books,
            'page_title' => 'Мои книги'
        ]);
    }
    
    public function create() {
        $this->requireLogin();
        $seriesModel = new Series($this->pdo);
        $series = $seriesModel->findByUser($_SESSION['user_id']);
        $error = '';
        $cover_error = '';
                
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $_SESSION['error'] = "Ошибка безопасности";
                $this->redirect('/books/create');
            }
            
            $title = trim($_POST['title'] ?? '');
            if (empty($title)) {
                $_SESSION['error'] = "Название книги обязательно";
                $this->redirect('/books/create');
            }
            
            $bookModel = new Book($this->pdo);
            $data = [
                'title' => $title,
                'description' => trim($_POST['description'] ?? ''),
                'genre' => trim($_POST['genre'] ?? ''),
                'user_id' => $_SESSION['user_id'],
                'series_id' => !empty($_POST['series_id']) ? (int)$_POST['series_id'] : null,
                'sort_order_in_series' => !empty($_POST['sort_order_in_series']) ? (int)$_POST['sort_order_in_series'] : null,
                'published' => isset($_POST['published']) ? 1 : 0
            ];
            
            if ($bookModel->create($data)) {
                $new_book_id = $this->pdo->lastInsertId();
                    
                // Обработка загрузки обложки
                if (isset($_FILES['cover_image']) && $_FILES['cover_image']['error'] === UPLOAD_ERR_OK) {
                    $cover_result = handleCoverUpload($_FILES['cover_image'], $new_book_id);
                    if ($cover_result['success']) {
                        $bookModel->updateCover($new_book_id, $cover_result['filename']);
                    } else {
                        $cover_error = $cover_result['error'];
                        // Сохраняем ошибку в сессии, чтобы показать после редиректа
                        $_SESSION['cover_error'] = $cover_error;
                    }
                }
                    
                    $_SESSION['success'] = "Книга успешно создана" . ($cover_error ? ", но возникла ошибка с обложкой: " . $cover_error : "");
                    $this->redirect("/books/{$new_book_id}/edit");
            } else {
                $_SESSION['error'] = "Ошибка при создании книги";
            }
            
        }
        
        $this->render('books/create', [
            'series' => $series,
            'error' => $error,
            'cover_error' => $cover_error,
            'page_title' => 'Создание новой книги'
        ]);
    }
    
    public function edit($id) {
        $this->requireLogin();
        $bookModel = new Book($this->pdo);
        $book = $bookModel->findById($id);
        
        if (!$book || $book['user_id'] != $_SESSION['user_id']) {
            $_SESSION['error'] = "Книга не найдена или у вас нет доступа";
            $this->redirect('/books');
        }
        
        $seriesModel = new Series($this->pdo);
        $series = $seriesModel->findByUser($_SESSION['user_id']);
        
        
        $error = '';
        $cover_error = '';
        
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $title = trim($_POST['title'] ?? '');
                if (empty($title)) {
                    $error = "Название книги обязательно";
                } else {                    
                    $data = [
                        'title' => $title,
                        'description' => trim($_POST['description'] ?? ''),
                        'genre' => trim($_POST['genre'] ?? ''),
                        'user_id' => $_SESSION['user_id'],
                        'series_id' => !empty($_POST['series_id']) ? (int)$_POST['series_id'] : null,
                        'sort_order_in_series' => !empty($_POST['sort_order_in_series']) ? (int)$_POST['sort_order_in_series'] : null,
                        'published' => isset($_POST['published']) ? 1 : 0
                    ];
                    
                    // Обработка обложки
                    if (isset($_FILES['cover_image']) && $_FILES['cover_image']['error'] === UPLOAD_ERR_OK) {
                        $cover_result = handleCoverUpload($_FILES['cover_image'], $id);
                        if ($cover_result['success']) {
                            $bookModel->updateCover($id, $cover_result['filename']);
                        } else {
                            $cover_error = $cover_result['error'];
                        }
                    }
                    
                    // Удаление обложки
                    if (isset($_POST['delete_cover']) && $_POST['delete_cover'] == '1') {
                        $bookModel->deleteCover($id);
                    }
                    
                    // Обновление книги
                    $success = $bookModel->update($id, $data);
                    
                    if ($success) {
                        $success_message = "Книга успешно обновлена";
                        $_SESSION['success'] = $success_message;
                        $this->redirect("/books/{$id}/edit");
                    } else {
                        $error = "Ошибка при обновлении книги";
                    }
                }
            }
        }
        
        // Получаем статистику по главам для отображения в шаблоне
        $chapterModel = new Chapter($this->pdo);
        $chapters = $chapterModel->findByBook($id);
        
        $this->render('books/edit', [
            'book' => $book,
            'series' => $series,
            'chapters' => $chapters,
            'error' => $error,
            'cover_error' => $cover_error,
            'page_title' => 'Редактирование книги'
        ]);
    }
    
    public function delete($id) {
        $this->requireLogin();
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect('/books');
        }
        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect('/books');
        }
        $user_id = $_SESSION['user_id'];
        $bookModel = new Book($this->pdo);
        if (!$bookModel->userOwnsBook($id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой книге";
            $this->redirect('/books');
        }
        if ($bookModel->delete($id, $user_id)) {
            $_SESSION['success'] = "Книга успешно удалена";
        } else {
            $_SESSION['error'] = "Ошибка при удалении книги";
        }
        $this->redirect('/books');
    }
    

    public function deleteAll() {
        $this->requireLogin();
        $user_id = $_SESSION['user_id'];
        
        if ($_SERVER['REQUEST_METHOD'] !== 'POST' || !verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect('/books');
        }
        
        $bookModel = new Book($this->pdo);
        
        // Получаем все книги пользователя
        $books = $bookModel->findByUser($user_id);
        if (empty($books)) {
            $_SESSION['info'] = "У вас нет книг для удаления";
            $this->redirect('/books');
        }
        
        try {
            $this->pdo->beginTransaction();
            
            $deleted_count = 0;
            $deleted_covers = 0;
            
            foreach ($books as $book) {
                // Удаляем обложку если она есть
                if (!empty($book['cover_image'])) {
                    $cover_path = COVERS_PATH . $book['cover_image'];
                    if (file_exists($cover_path) && unlink($cover_path)) {
                        $deleted_covers++;
                    }
                }
                
                // Удаляем главы книги
                $stmt = $this->pdo->prepare("DELETE FROM chapters WHERE book_id = ?");
                $stmt->execute([$book['id']]);
                
                // Удаляем саму книгу
                $stmt = $this->pdo->prepare("DELETE FROM books WHERE id = ? AND user_id = ?");
                $stmt->execute([$book['id'], $user_id]);
                
                $deleted_count++;
            }
            
            $this->pdo->commit();
            
            $message = "Все книги успешно удалены ($deleted_count книг";
            if ($deleted_covers > 0) {
                $message .= ", удалено $deleted_covers обложек";
            }
            $message .= ")";
            
            $_SESSION['success'] = $message;
        } catch (Exception $e) {
            $this->pdo->rollBack();
            error_log("Ошибка при массовом удалении: " . $e->getMessage());
            $_SESSION['error'] = "Произошла ошибка при удалении книг: " . $e->getMessage();
        }
        
        $this->redirect('/books');
    }
    
    public function viewPublic($share_token) {
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);
        $book = $bookModel->findByShareToken($share_token);
        if (!$book) {
            http_response_code(404);
            $this->render('errors/404');
            return;
        }
        $chapters = $chapterModel->getPublishedChapters($book['id']);
        
        // Получаем информацию об авторе
        $stmt = $this->pdo->prepare("SELECT id, username, display_name FROM users WHERE id = ?");
        $stmt->execute([$book['user_id']]);
        $author = $stmt->fetch(PDO::FETCH_ASSOC);
        
        $this->render('books/view_public', [
            'book' => $book,
            'chapters' => $chapters,
            'author' => $author,
            'page_title' => $book['title']
        ]);
    }
    
    public function viewAll($id) {
        $bookModel = new Book($this->pdo);
        $chapterModel = new Chapter($this->pdo);
        $book = $bookModel->findById($id);
        if (!$book) {
            http_response_code(404);
            $this->render('errors/404');
            return;
        }
        $chapters = $chapterModel->findByBook($book['id']);
        
        // Получаем информацию об авторе
        $stmt = $this->pdo->prepare("SELECT id, username, display_name FROM users WHERE id = ?");
        $stmt->execute([$book['user_id']]);
        $author = $stmt->fetch(PDO::FETCH_ASSOC);
        
        $this->render('books/view_public', [
            'book' => $book,
            'chapters' => $chapters,
            'author' => $author,
            'page_title' => $book['title']
        ]);
    }
    
    public function regenerateToken($id) {
        $this->requireLogin();
        if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
            $_SESSION['error'] = "Неверный метод запроса";
            $this->redirect("/books/{$id}/edit");
        }
        if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Ошибка безопасности";
            $this->redirect("/books/{$id}/edit");
        }
        $user_id = $_SESSION['user_id'];
        $bookModel = new Book($this->pdo);
        if (!$bookModel->userOwnsBook($id, $user_id)) {
            $_SESSION['error'] = "У вас нет доступа к этой книге";
            $this->redirect('/books');
        }
        $new_token = $bookModel->generateNewShareToken($id);
        if ($new_token) {
            $_SESSION['success'] = "Ссылка успешно обновлена";
        } else {
            $_SESSION['error'] = "Ошибка при обновлении ссылки";
        }
        $this->redirect("/books/{$id}/edit");
    }
}
?>
// ./controllers/AdminController.php
<?php
require_once 'controllers/BaseController.php';
require_once 'models/User.php';

class AdminController extends BaseController {
    public function __construct() {
        parent::__construct();
        $this->requireAdmin();
    }
    
    
    public function users() {
        $userModel = new User($this->pdo);
        $users = $userModel->findAll();
        
        $this->render('admin/users', [
            'users' => $users,
            'page_title' => 'Управление пользователями'
        ]);
    }
    
    public function toggleUserStatus($user_id) {
        if ($_SERVER['REQUEST_METHOD'] !== 'POST' || !verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Неверный метод запроса или токен безопасности";
            $this->redirect('/admin/users');
            return;
        }
        
        if ($user_id == $_SESSION['user_id']) {
            $_SESSION['error'] = "Нельзя изменить статус собственного аккаунта";
            $this->redirect('/admin/users');
            return;
        }
        
        $userModel = new User($this->pdo);
        $user = $userModel->findById($user_id);
        
        if (!$user) {
            $_SESSION['error'] = "Пользователь не найден";
            $this->redirect('/admin/users');
            return;
        }
        
        $newStatus = $user['is_active'] ? 0 : 1;
        if ($userModel->updateStatus($user_id, $newStatus)) {
            $_SESSION['success'] = "Статус пользователя обновлен";
        } else {
            $_SESSION['error'] = "Ошибка при обновлении статуса";
        }
        
        $this->redirect('/admin/users');
    }
    
    public function deleteUser($user_id) {
        if ($_SERVER['REQUEST_METHOD'] !== 'POST' || !verify_csrf_token($_POST['csrf_token'] ?? '')) {
            $_SESSION['error'] = "Неверный метод запроса или токен безопасности";
            $this->redirect('/admin/users');
            return;
        }
        
        if ($user_id == $_SESSION['user_id']) {
            $_SESSION['error'] = "Нельзя удалить собственный аккаунт";
            $this->redirect('/admin/users');
            return;
        }
        
        $userModel = new User($this->pdo);
        $user = $userModel->findById($user_id);
        
        if (!$user) {
            $_SESSION['error'] = "Пользователь не найден";
            $this->redirect('/admin/users');
            return;
        }
        
        if ($userModel->delete($user_id)) {
            $_SESSION['success'] = "Пользователь успешно удален";
        } else {
            $_SESSION['error'] = "Ошибка при удалении пользователя";
        }
        
        $this->redirect('/admin/users');
    }
    
    public function addUser() {
        $error = '';
        $success = '';
        
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (!verify_csrf_token($_POST['csrf_token'] ?? '')) {
                $error = "Ошибка безопасности";
            } else {
                $username = trim($_POST['username'] ?? '');
                $password = $_POST['password'] ?? '';
                $password_confirm = $_POST['password_confirm'] ?? '';
                $email = trim($_POST['email'] ?? '');
                $display_name = trim($_POST['display_name'] ?? '');
                $is_active = isset($_POST['is_active']) ? 1 : 0;
                
                if (empty($username) || empty($password)) {
                    $error = 'Имя пользователя и пароль обязательны';
                } elseif ($password !== $password_confirm) {
                    $error = 'Пароли не совпадают';
                } elseif (strlen($password) < 6) {
                    $error = 'Пароль должен быть не менее 6 символов';
                } else {
                    $userModel = new User($this->pdo);
                    if ($userModel->findByUsername($username)) {
                        $error = 'Имя пользователя уже занято';
                    } elseif (!empty($email) && $userModel->findByEmail($email)) {
                        $error = 'Email уже используется';
                    } else {
                        $data = [
                            'username' => $username,
                            'password' => $password,
                            'email' => $email ?: null,
                            'display_name' => $display_name ?: $username,
                            'is_active' => $is_active
                        ];
                        
                        if ($userModel->create($data)) {
                            $success = 'Пользователь успешно создан';
                            // Очищаем поля формы
                            $_POST = [];
                        } else {
                            $error = 'Ошибка при создании пользователя';
                        }
                    }
                }
            }
        }
        
        $this->render('admin/add_user', [
            'error' => $error,
            'success' => $success,
            'page_title' => 'Добавление пользователя'
        ]);
    }
}
?>
// ./composer.json
{
    "require": {
        "phpoffice/phpword": "^1.0",
        "tecnickcom/tcpdf": "^6.6"
    }
}

// ./models/Chapter.php
<?php
// models/Chapter.php

class Chapter {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    public function findById($id) {
        $stmt = $this->pdo->prepare("
            SELECT c.*, b.user_id, b.title as book_title 
            FROM chapters c 
            JOIN books b ON c.book_id = b.id 
            WHERE c.id = ?
        ");
        $stmt->execute([$id]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByBook($book_id) {
        $stmt = $this->pdo->prepare("
            SELECT * FROM chapters 
            WHERE book_id = ? 
            ORDER BY sort_order, created_at
        ");
        $stmt->execute([$book_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    
    public function create($data) {
        $stmt = $this->pdo->prepare("SELECT MAX(sort_order) as max_order FROM chapters WHERE book_id = ?");
        $stmt->execute([$data['book_id']]);
        $result = $stmt->fetch();
        $next_order = ($result['max_order'] ?? 0) + 1;
        
        $word_count = $this->countWords($data['content']);
        
        $stmt = $this->pdo->prepare("
            INSERT INTO chapters (book_id, title, content, sort_order, word_count, status) 
            VALUES (?, ?, ?, ?, ?, ?)
        ");
        return $stmt->execute([
            $data['book_id'],
            $data['title'],
            $data['content'],
            $next_order,
            $word_count,
            $data['status'] ?? 'draft'
        ]);
    }
    
    public function update($id, $data) {
        $word_count = $this->countWords($data['content']);
        
        $stmt = $this->pdo->prepare("
            UPDATE chapters 
            SET title = ?, content = ?, word_count = ?, status = ?, updated_at = CURRENT_TIMESTAMP
            WHERE id = ?
        ");
        return $stmt->execute([
            $data['title'],
            $data['content'],
            $word_count,
            $data['status'] ?? 'draft',
            $id
        ]);
    }
    
    public function delete($id) {
        $stmt = $this->pdo->prepare("DELETE FROM chapters WHERE id = ?");
        return $stmt->execute([$id]);
    }
    
    public function updateSortOrder($chapter_id, $new_order) {
        $stmt = $this->pdo->prepare("UPDATE chapters SET sort_order = ? WHERE id = ?");
        return $stmt->execute([$new_order, $chapter_id]);
    }
    
    private function countWords($text) {
        $text = strip_tags($text);
        $text = preg_replace('/[^\p{L}\p{N}\s]/u', ' ', $text);
        $words = preg_split('/\s+/', $text);
        $words = array_filter($words);
        return count($words);
    }
    
    public function userOwnsChapter($chapter_id, $user_id) {
        $stmt = $this->pdo->prepare("
            SELECT c.id 
            FROM chapters c 
            JOIN books b ON c.book_id = b.id 
            WHERE c.id = ? AND b.user_id = ?
        ");
        $stmt->execute([$chapter_id, $user_id]);
        return $stmt->fetch() !== false;
    }

        
    public function getPublishedChapters($book_id) {
        $stmt = $this->pdo->prepare("
            SELECT * FROM chapters 
            WHERE book_id = ? AND status = 'published' 
            ORDER BY sort_order, created_at
        ");
        $stmt->execute([$book_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }

    // private function getAllChapters($book_id) {
    //     $stmt = $this->pdo->prepare("SELECT id, content FROM chapters WHERE book_id = ?");
    //     $stmt->execute([$book_id]);
    //     return $stmt->fetchAll(PDO::FETCH_ASSOC);
    // }

    // private function updateChapterContent($chapter_id, $content) {
    //     $word_count = $this->countWords($content);
    //     $stmt = $this->pdo->prepare("
    //         UPDATE chapters 
    //         SET content = ?, word_count = ?, updated_at = CURRENT_TIMESTAMP 
    //         WHERE id = ?
    //     ");
    //     return $stmt->execute([$content, $word_count, $chapter_id]);
    // }

}
?>
// ./models/Series.php
<?php
// models/Series.php

class Series {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    public function findById($id) {
        $stmt = $this->pdo->prepare("
            SELECT s.*, 
                   COUNT(b.id) as book_count,
                   COALESCE((
                       SELECT SUM(c.word_count) 
                       FROM chapters c 
                       JOIN books b2 ON c.book_id = b2.id 
                       WHERE b2.series_id = s.id AND b2.published = 1
                   ), 0) as total_words
            FROM series s 
            LEFT JOIN books b ON s.id = b.series_id AND b.published = 1
            WHERE s.id = ?
            GROUP BY s.id
        ");
        $stmt->execute([$id]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByUser($user_id, $include_stats = true) {
        if ($include_stats) {
            $sql = "
                SELECT s.*, 
                       COUNT(b.id) as book_count,
                       COALESCE((
                           SELECT SUM(c.word_count) 
                           FROM chapters c 
                           JOIN books b2 ON c.book_id = b2.id 
                           WHERE b2.series_id = s.id AND b2.user_id = ?
                       ), 0) as total_words
                FROM series s 
                LEFT JOIN books b ON s.id = b.series_id
                WHERE s.user_id = ?
                GROUP BY s.id 
                ORDER BY s.created_at DESC
            ";
            $stmt = $this->pdo->prepare($sql);
            $stmt->execute([$user_id, $user_id]);
        } else {
            $sql = "SELECT * FROM series WHERE user_id = ? ORDER BY created_at DESC";
            $stmt = $this->pdo->prepare($sql);
            $stmt->execute([$user_id]);
        }
        
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    
    public function create($data) {
        $stmt = $this->pdo->prepare("
            INSERT INTO series (title, description, user_id) 
            VALUES (?, ?, ?)
        ");
        return $stmt->execute([
            $data['title'],
            $data['description'] ?? null,
            $data['user_id']
        ]);
    }
    
    public function update($id, $data) {
        $stmt = $this->pdo->prepare("
            UPDATE series 
            SET title = ?, description = ?, updated_at = CURRENT_TIMESTAMP 
            WHERE id = ? AND user_id = ?
        ");
        return $stmt->execute([
            $data['title'],
            $data['description'] ?? null,
            $id,
            $data['user_id']
        ]);
    }
    
    public function delete($id, $user_id) {
        try {
            $this->pdo->beginTransaction();
            
            $stmt = $this->pdo->prepare("UPDATE books SET series_id = NULL, sort_order_in_series = NULL WHERE series_id = ? AND user_id = ?");
            $stmt->execute([$id, $user_id]);
            
            $stmt = $this->pdo->prepare("DELETE FROM series WHERE id = ? AND user_id = ?");
            $result = $stmt->execute([$id, $user_id]);
            
            $this->pdo->commit();
            return $result;
        } catch (Exception $e) {
            $this->pdo->rollBack();
            return false;
        }
    }
    
    public function userOwnsSeries($series_id, $user_id) {
        $stmt = $this->pdo->prepare("SELECT id FROM series WHERE id = ? AND user_id = ?");
        $stmt->execute([$series_id, $user_id]);
        return $stmt->fetch() !== false;
    }
    
    public function getBooksInSeries($series_id, $only_published = false) {
        $sql = "SELECT * FROM books WHERE series_id = ?";
        if ($only_published) {
            $sql .= " AND published = 1";
        }
        $sql .= " ORDER BY sort_order_in_series, created_at";
        
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute([$series_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    
    public function getNextSortOrder($series_id) {
        $stmt = $this->pdo->prepare("SELECT MAX(sort_order_in_series) as max_order FROM books WHERE series_id = ?");
        $stmt->execute([$series_id]);
        $result = $stmt->fetch();
        return ($result['max_order'] ?? 0) + 1;
    }
    
    public function getSeriesStats($series_id, $user_id = null) {
        $sql = "
            SELECT 
                COUNT(b.id) as book_count,
                COALESCE(SUM(stats.chapter_count), 0) as chapter_count,
                COALESCE(SUM(stats.total_words), 0) as total_words
            FROM series s
            LEFT JOIN books b ON s.id = b.series_id
            LEFT JOIN (
                SELECT 
                    book_id,
                    COUNT(id) as chapter_count,
                    SUM(word_count) as total_words
                FROM chapters 
                GROUP BY book_id
            ) stats ON b.id = stats.book_id
            WHERE s.id = ?
        ";
        
        $params = [$series_id];
        
        if ($user_id) {
            $sql .= " AND s.user_id = ?";
            $params[] = $user_id;
        }
        
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($params);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
}
?>
// ./models/index.php

// ./models/User.php
<?php
// models/User.php

class User {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    public function findById($id) {
        $stmt = $this->pdo->prepare("SELECT * FROM users WHERE id = ?");
        $stmt->execute([$id]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByUsername($username) {
        $stmt = $this->pdo->prepare("SELECT * FROM users WHERE username = ?");
        $stmt->execute([$username]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByEmail($email) {
        $stmt = $this->pdo->prepare("SELECT * FROM users WHERE email = ?");
        $stmt->execute([$email]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findAll() {
        $stmt = $this->pdo->prepare("SELECT id, username, display_name, email, created_at, last_login, is_active FROM users ORDER BY created_at DESC");
        $stmt->execute();
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    
    public function create($data) {
        $password_hash = password_hash($data['password'], PASSWORD_DEFAULT);
        
        $is_active = $data['is_active'] ?? 0;
        
        $stmt = $this->pdo->prepare("
            INSERT INTO users (username, display_name, email, password_hash, is_active) 
            VALUES (?, ?, ?, ?, ?)
        ");
        
        return $stmt->execute([
            $data['username'],
            $data['display_name'] ?? $data['username'],
            $data['email'] ?? null,
            $password_hash,
            $is_active
        ]);
    }
    
    public function update($id, $data) {
        $sql = "UPDATE users SET display_name = ?, email = ?";
        $params = [$data['display_name'], $data['email']];
        
        if (!empty($data['password'])) {
            $sql .= ", password_hash = ?";
            $params[] = password_hash($data['password'], PASSWORD_DEFAULT);
        }
        
        $sql .= " WHERE id = ?";
        $params[] = $id;
        
        $stmt = $this->pdo->prepare($sql);
        return $stmt->execute($params);
    }

    public function delete($id) {
        $stmt = $this->pdo->prepare("DELETE FROM users WHERE id = ?");
        return $stmt->execute([$id]);
    }    
    
    public function updateStatus($id, $is_active) {
        $stmt = $this->pdo->prepare("UPDATE users SET is_active = ? WHERE id = ?");
        return $stmt->execute([$is_active, $id]);
    }
    
    public function updateLastLogin($id) {
        $stmt = $this->pdo->prepare("UPDATE users SET last_login = CURRENT_TIMESTAMP WHERE id = ?");
        return $stmt->execute([$id]);
    }
    
    public function verifyPassword($password, $hash) {
        return password_verify($password, $hash);
    }

    public function updateAvatar($id, $filename) {
        $stmt = $this->pdo->prepare("UPDATE users SET avatar = ? WHERE id = ?");
        return $stmt->execute([$filename, $id]);
    }

    public function updateBio($id, $bio) {
        $stmt = $this->pdo->prepare("UPDATE users SET bio = ? WHERE id = ?");
        return $stmt->execute([$bio, $id]);
    }

    public function updateProfile($id, $data) {
        $sql = "UPDATE users SET display_name = ?, email = ?, bio = ?";
        $params = [
            $data['display_name'] ?? '',
            $data['email'] ?? null,
            $data['bio'] ?? null
        ];
        
        if (!empty($data['avatar'])) {
            $sql .= ", avatar = ?";
            $params[] = $data['avatar'];
        }
        
        $sql .= " WHERE id = ?";
        $params[] = $id;
        
        $stmt = $this->pdo->prepare($sql);
        return $stmt->execute($params);
    }
}
?>
// ./models/Book.php
<?php
// models/Book.php
class Book {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    public function findById($id) {
        $stmt = $this->pdo->prepare("SELECT * FROM books WHERE id = ?");
        $stmt->execute([$id]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByShareToken($share_token) {
        $stmt = $this->pdo->prepare("SELECT * FROM books WHERE share_token = ?");
        $stmt->execute([$share_token]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
    
    public function findByUser($user_id, $only_published = false) {
        $sql = "
        SELECT b.*,
                COUNT(c.id) as chapter_count,
                COALESCE(SUM(c.word_count), 0) as total_words
        FROM books b
        LEFT JOIN chapters c ON b.id = c.book_id
        WHERE b.user_id = ?
        ";
        if ($only_published) {
            $sql .= " AND b.published = 1 ";
        }
        $sql .= " GROUP BY b.id ORDER BY b.created_at DESC ";
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute([$user_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    
    public function create($data) {
        $share_token = bin2hex(random_bytes(16));
        $published = isset($data['published']) ? (int)$data['published'] : 0;

        $stmt = $this->pdo->prepare("
            INSERT INTO books (title, description, genre, user_id, series_id, sort_order_in_series, share_token, published)
            VALUES (?, ?, ?, ?, ?, ?, ?, ?)
        ");
        return $stmt->execute([
            $data['title'],
            $data['description'] ?? null,
            $data['genre'] ?? null,
            $data['user_id'],
            $data['series_id'] ?? null,
            $data['sort_order_in_series'] ?? null,
            $share_token,
            $published
        ]);
    }
    
    public function update($id, $data) {
        $published = isset($data['published']) ? (int)$data['published'] : 0;

        // Преобразуем пустые строки в NULL для integer полей
        $series_id = !empty($data['series_id']) ? (int)$data['series_id'] : null;
        $sort_order_in_series = !empty($data['sort_order_in_series']) ? (int)$data['sort_order_in_series'] : null;

        $stmt = $this->pdo->prepare("
            UPDATE books
            SET title = ?, description = ?, genre = ?, series_id = ?, sort_order_in_series = ?, published = ?
            WHERE id = ? AND user_id = ?
        ");
        return $stmt->execute([
            $data['title'],
            $data['description'] ?? null,
            $data['genre'] ?? null,
            $series_id,  // Теперь это либо integer, либо NULL
            $sort_order_in_series,  // Теперь это либо integer, либо NULL
            $published,
            $id,
            $data['user_id']
        ]);
    }

    
    public function delete($id, $user_id) {
        try {
            $this->pdo->beginTransaction();
            
            // Удаляем главы книги 
            $stmt = $this->pdo->prepare("DELETE FROM chapters WHERE book_id = ?");
            $stmt->execute([$id]);
            
            // Удаляем саму книгу
            $stmt = $this->pdo->prepare("DELETE FROM books WHERE id = ? AND user_id = ?");
            $result = $stmt->execute([$id, $user_id]);
            
            $this->pdo->commit();
            return $result;
        } catch (Exception $e) {
            $this->pdo->rollBack();
            return false;
        }
    }

    public function deleteAllByUser($user_id) {
        try {
            $this->pdo->beginTransaction();
            
            // Получаем ID всех книг пользователя
            $stmt = $this->pdo->prepare("SELECT id FROM books WHERE user_id = ?");
            $stmt->execute([$user_id]);
            $book_ids = $stmt->fetchAll(PDO::FETCH_COLUMN);
            
            if (empty($book_ids)) {
                $this->pdo->commit();
                return 0;
            }
            
            // Удаляем главы всех книг пользователя (одним запросом)
            $placeholders = implode(',', array_fill(0, count($book_ids), '?'));
            $stmt = $this->pdo->prepare("DELETE FROM chapters WHERE book_id IN ($placeholders)");
            $stmt->execute($book_ids);
            
            // Удаляем все книги пользователя (одним запросом)
            $stmt = $this->pdo->prepare("DELETE FROM books WHERE user_id = ?");
            $stmt->execute([$user_id]);
            
            $deleted_count = $stmt->rowCount();
            $this->pdo->commit();
            
            return $deleted_count;
        } catch (Exception $e) {
            $this->pdo->rollBack();
            throw $e;
        }
    }
    
    public function userOwnsBook($book_id, $user_id) {
        $stmt = $this->pdo->prepare("SELECT id FROM books WHERE id = ? AND user_id = ?");
        $stmt->execute([$book_id, $user_id]);
        return $stmt->fetch() !== false;
    }
    
    public function generateNewShareToken($book_id) {
        $new_token = bin2hex(random_bytes(16));
        $stmt = $this->pdo->prepare("UPDATE books SET share_token = ? WHERE id = ?");
        $success = $stmt->execute([$new_token, $book_id]);
        return $success ? $new_token : false;
    }
    


    public function updateCover($book_id, $filename) {
        $stmt = $this->pdo->prepare("UPDATE books SET cover_image = ? WHERE id = ?");
        return $stmt->execute([$filename, $book_id]);
    }

    public function deleteCover($book_id) {

        $book = $this->findById($book_id);
        $old_filename = $book['cover_image'];
        
        if ($old_filename) {
            $file_path = COVERS_PATH . $old_filename;
            if (file_exists($file_path)) {
                unlink($file_path);
            }
        }
        
        $stmt = $this->pdo->prepare("UPDATE books SET cover_image = NULL WHERE id = ?");
        return $stmt->execute([$book_id]);
    }

    public function updateSeriesInfo($book_id, $series_id, $sort_order) {
        $stmt = $this->pdo->prepare("UPDATE books SET series_id = ?, sort_order_in_series = ? WHERE id = ?");
        return $stmt->execute([$series_id, $sort_order, $book_id]);
    }

    public function removeFromSeries($book_id) {
        $stmt = $this->pdo->prepare("UPDATE books SET series_id = NULL, sort_order_in_series = NULL WHERE id = ?");
        return $stmt->execute([$book_id]);
    }

   public function findBySeries($series_id) {
        $stmt = $this->pdo->prepare("
            SELECT b.*
            FROM books b
            WHERE b.series_id = ?
            ORDER BY b.sort_order_in_series, b.created_at
        ");
        $stmt->execute([$series_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }

    public function getBookStats($book_id, $only_published_chapters = false) {
        $sql = "
            SELECT 
                COUNT(c.id) as chapter_count,
                COALESCE(SUM(c.word_count), 0) as total_words
            FROM books b
            LEFT JOIN chapters c ON b.id = c.book_id
            WHERE b.id = ?
        ";
        
        if ($only_published_chapters) {
            $sql .= " AND c.status = 'published'";
        }
        
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute([$book_id]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }

    
    public function getBooksNotInSeries($user_id, $series_id = null) {
        $sql = "SELECT * FROM books WHERE user_id = ? AND (series_id IS NULL OR series_id = ?)";
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute([$user_id, $series_id]);
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }

    public function reorderSeriesBooks($series_id, $new_order) {
        try {
            $this->pdo->beginTransaction();
            
            foreach ($new_order as $order => $book_id) {
                $stmt = $this->pdo->prepare("UPDATE books SET sort_order_in_series = ? WHERE id = ? AND series_id = ?");
                $stmt->execute([$order + 1, $book_id, $series_id]);
            }
            
            $this->pdo->commit();
            return true;
        } catch (Exception $e) {
            $this->pdo->rollBack();
            error_log("Ошибка при обновлении порядка книг: " . $e->getMessage());
            return false;
        }
    }
        
    private function countWords($text) {
        $text = strip_tags($text);
        $text = preg_replace('/[^\p{L}\p{N}\s]/u', ' ', $text);
        $words = preg_split('/\s+/', $text);
        $words = array_filter($words);
        return count($words);
    }

}
?>
// ./index.php
<?php
// index.php - единая точка входа
require_once 'config/config.php';

// Получаем путь к запрашиваемому ресурсу
$requestUri = $_SERVER['REQUEST_URI'];
$requestPath = parse_url($requestUri, PHP_URL_PATH);

// Убираем базовый URL (SITE_URL) из пути
$basePath = parse_url(SITE_URL, PHP_URL_PATH) ?? '';
if ($basePath && strpos($requestPath, $basePath) === 0) {
    $requestPath = substr($requestPath, strlen($basePath));
}

// Убираем ведущий слеш
$requestPath = ltrim($requestPath, '/');

// Проверяем, существует ли запрашиваемый файл
$physicalPath = __DIR__ . '/' . $requestPath;
if (file_exists($physicalPath) && !is_dir($physicalPath) && !str_contains($physicalPath, '..')) {
    // Определяем MIME-тип
    $mimeTypes = [
        'css' => 'text/css',
        'js' => 'application/javascript',
        'png' => 'image/png',
        'jpg' => 'image/jpeg',
        'jpeg' => 'image/jpeg',
        'gif' => 'image/gif',
        'webp' => 'image/webp',
        'svg' => 'image/svg+xml',
        'ico' => 'image/x-icon',
        'json' => 'application/json',
        'woff' => 'font/woff',
        'woff2' => 'font/woff2',
        'ttf' => 'font/ttf',
        'eot' => 'application/vnd.ms-fontobject',
    ];
    
    $extension = strtolower(pathinfo($physicalPath, PATHINFO_EXTENSION));
    if (isset($mimeTypes[$extension])) {
        header('Content-Type: ' . $mimeTypes[$extension]);
    }
    
    // Запрещаем кэширование для разработки, в продакшене можно увеличить время
    header('Cache-Control: public, max-age=3600');
    
    // Отправляем файл
    readfile($physicalPath);
    exit;
}
// Простой роутер
class Router {
    private $routes = [];
    
    public function add($pattern, $handler) {
        $this->routes[$pattern] = $handler;
    }
    
    public function handle($uri) {
        // Убираем базовый URL если есть
        $basePath = parse_url(SITE_URL, PHP_URL_PATH) ?? '';
        $uri = str_replace($basePath, '', $uri);
        $uri = parse_url($uri, PHP_URL_PATH) ?? '/';
        
        foreach ($this->routes as $pattern => $handler) {
            if ($this->match($pattern, $uri)) {
                return $this->callHandler($handler, $this->params);
            }
        }
        
        // 404
        http_response_code(404);
        include 'views/errors/404.php';
        exit;
    }
    
    private function match($pattern, $uri) {
        $pattern = preg_replace('/\{(\w+)\}/', '(?P<$1>[^/]+)', $pattern);
        $pattern = "#^$pattern$#";
        
        if (preg_match($pattern, $uri, $matches)) {
            $this->params = array_filter($matches, 'is_string', ARRAY_FILTER_USE_KEY);
            return true;
        }
        return false;
    }
    
    private function callHandler($handler, $params) {
        if (is_callable($handler)) {
            return call_user_func_array($handler, $params);
        }
        
        if (is_string($handler)) {
            list($controller, $method) = explode('@', $handler);
            $controllerFile = "controllers/{$controller}.php";
            
            if (file_exists($controllerFile)) {
                require_once $controllerFile;
                $controllerInstance = new $controller();
                
                if (method_exists($controllerInstance, $method)) {
                    return call_user_func_array([$controllerInstance, $method], $params);
                }
            }
        }
        
        throw new Exception("Handler not found");
    }
}

// Инициализация роутера
$router = new Router();

// Маршруты
$router->add('/', 'DashboardController@index');
$router->add('/login', 'AuthController@login');
$router->add('/logout', 'AuthController@logout');
$router->add('/register', 'AuthController@register');

// Книги
$router->add('/books', 'BookController@index');
$router->add('/book/all/{id}', 'BookController@viewAll');
$router->add('/books/create', 'BookController@create');
$router->add('/books/{id}/edit', 'BookController@edit');
$router->add('/books/{id}/delete', 'BookController@delete');
$router->add('/books/delete-all', 'BookController@deleteAll');
$router->add('/books/{id}/normalize', 'BookController@normalizeContent');
$router->add('/books/{id}/regenerate-token', 'BookController@regenerateToken');

// Главы
$router->add('/books/{book_id}/chapters', 'ChapterController@index');
$router->add('/books/{book_id}/chapters/create', 'ChapterController@create');
$router->add('/chapters/{id}/edit', 'ChapterController@edit');
$router->add('/chapters/{id}/delete', 'ChapterController@delete');
$router->add('/chapters/preview', 'ChapterController@preview');

// Серии
$router->add('/series', 'SeriesController@index');
$router->add('/series/create', 'SeriesController@create');
$router->add('/series/{id}/edit', 'SeriesController@edit');
$router->add('/series/{id}/delete', 'SeriesController@delete');
$router->add('/series/{id}/add-book', 'SeriesController@addBook');
$router->add('/series/{id}/remove-book/{book_id}', 'SeriesController@removeBook');
$router->add('/series/{id}/update-order', 'SeriesController@updateBookOrder');

// Профиль
$router->add('/profile', 'UserController@profile');
$router->add('/profile/update', 'UserController@updateProfile');

// Экспорт с параметром формата
$router->add('/export/{book_id}/{format}', 'ExportController@export');
$router->add('/export/{book_id}', 'ExportController@export'); // по умолчанию pdf
$router->add('/export/shared/{share_token}/{format}', 'ExportController@exportShared');
$router->add('/export/shared/{share_token}', 'ExportController@exportShared'); // по умолчанию pdf

// Публичные страницы
$router->add('/book/{share_token}', 'BookController@viewPublic');
$router->add('/author/{id}', 'UserController@viewPublic');
$router->add('/series/{id}/view', 'SeriesController@viewPublic');


// Администрирование
$router->add('/admin/users', 'AdminController@users');
$router->add('/admin/add-user', 'AdminController@addUser');
$router->add('/admin/user/{user_id}/toggle-status', 'AdminController@toggleUserStatus');
$router->add('/admin/user/{user_id}/delete', 'AdminController@deleteUser');


// Обработка запроса
$requestUri = $_SERVER['REQUEST_URI'];
$router->handle($requestUri);

// Редирект с корня на dashboard для авторизованных
$router->add('/', function() {
    if (is_logged_in()) {
        header("Location: " . SITE_URL . "/dashboard");
    } else {
        header("Location: " . SITE_URL . "/login");
    }
    exit;
});


?>
// ./includes/functions.php
<?php
// includes/functions.php

function is_logged_in() {
    return isset($_SESSION['user_id']);
}

function require_login() {
    if (!is_logged_in()) {
        header('Location: login.php');
        exit;
    }
}

function generate_csrf_token() {
    if (empty($_SESSION['csrf_token'])) {
        $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
    }
    return $_SESSION['csrf_token'];
}

function verify_csrf_token($token) {
    return isset($_SESSION['csrf_token']) && hash_equals($_SESSION['csrf_token'], $token);
}


function e($string) {
    return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
}

function redirect($url) {
    header("Location: " . $url);
    exit;
}

function transliterate($text) {
    $cyr = [
        'а','б','в','г','д','е','ё','ж','з','и','й','к','л','м','н','о','п',
        'р','с','т','у','ф','х','ц','ч','ш','щ','ъ','ы','ь','э','ю','я',
        'А','Б','В','Г','Д','Е','Ё','Ж','З','И','Й','К','Л','М','Н','О','П',
        'Р','С','Т','У','Ф','Х','Ц','Ч','Ш','Щ','Ъ','Ы','Ь','Э','Ю','Я',
        ' ',',','!','?',':',';','"','\'','(',')','[',']','{','}'
    ];
    
    $lat = [
        'a','b','v','g','d','e','yo','zh','z','i','y','k','l','m','n','o','p',
        'r','s','t','u','f','h','ts','ch','sh','sht','a','i','y','e','yu','ya',
        'A','B','V','G','D','E','Yo','Zh','Z','I','Y','K','L','M','N','O','P',
        'R','S','T','U','F','H','Ts','Ch','Sh','Sht','A','I','Y','E','Yu','Ya',
        '_','_','_','_','_','_','_','_','_','_','_','_','_','_'
    ];
    
    return str_replace($cyr, $lat, $text);
}

// Функция для очистки имени файла
function cleanFilename($filename) {
    // Сначала транслитерируем
    $filename = transliterate($filename);
    
    // Затем убираем оставшиеся недопустимые символы
    $filename = preg_replace('/[^a-zA-Z0-9_\-\.]/', '_', $filename);
    
    // Убираем множественные подчеркивания
    $filename = preg_replace('/_{2,}/', '_', $filename);
    
    // Убираем подчеркивания с начала и конца
    $filename = trim($filename, '_');
    
    // Если после очистки имя файла пустое, используем стандартное
    if (empty($filename)) {
        $filename = 'book';
    }
    
    // Ограничиваем длину имени файла
    if (strlen($filename) > 100) {
        $filename = substr($filename, 0, 100);
    }
    
    return $filename;
}

function handleCoverUpload($file, $book_id) {
    global $pdo;
    
    // Проверяем папку для загрузок
    if (!file_exists(COVERS_PATH)) {
        mkdir(COVERS_PATH, 0755, true);
    }
    
    $allowed_types = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif', 'image/webp'];
    $max_size = 5 * 1024 * 1024; // 5MB
    
    // Проверка типа файла
    $finfo = finfo_open(FILEINFO_MIME_TYPE);
    $mime_type = finfo_file($finfo, $file['tmp_name']);
    finfo_close($finfo);
    
    if (!in_array($mime_type, $allowed_types)) {
        return ['success' => false, 'error' => 'Разрешены только JPG, PNG, GIF и WebP изображения'];
    }
    
    // Проверка размера
    if ($file['size'] > $max_size) {
        return ['success' => false, 'error' => 'Размер изображения не должен превышать 5MB'];
    }
    
    // Проверка на ошибки загрузки
    if ($file['error'] !== UPLOAD_ERR_OK) {
        return ['success' => false, 'error' => 'Ошибка загрузки файла: ' . $file['error']];
    }
    
    // Генерация уникального имени файла
    $extension = pathinfo($file['name'], PATHINFO_EXTENSION);
    $filename = 'cover_' . $book_id . '_' . time() . '.' . $extension;
    $file_path = COVERS_PATH . $filename;
    
    // Удаляем старую обложку если есть
    $bookModel = new Book($pdo);
    $bookModel->deleteCover($book_id);
    
    // Сохраняем новую обложку
    if (move_uploaded_file($file['tmp_name'], $file_path)) {
        // Оптимизируем изображение
        optimizeImage($file_path);
        return ['success' => true, 'filename' => $filename];
    } else {
        return ['success' => false, 'error' => 'Не удалось сохранить файл'];
    }
}

function optimizeImage($file_path) {
    list($width, $height, $type) = getimagesize($file_path);
    
    $max_width = 800;
    $max_height = 1200;
    
    if ($width > $max_width || $height > $max_height) {
        // Вычисляем новые размеры
        $ratio = $width / $height;
        if ($max_width / $max_height > $ratio) {
            $new_width = $max_height * $ratio;
            $new_height = $max_height;
        } else {
            $new_width = $max_width;
            $new_height = $max_width / $ratio;
        }
        
        // Создаем новое изображение
        $new_image = imagecreatetruecolor($new_width, $new_height);
        
        // Загружаем исходное изображение в зависимости от типа
        switch ($type) {
            case IMAGETYPE_JPEG:
                $source = imagecreatefromjpeg($file_path);
                break;
            case IMAGETYPE_PNG:
                $source = imagecreatefrompng($file_path);
                // Сохраняем прозрачность для PNG
                imagecolortransparent($new_image, imagecolorallocatealpha($new_image, 0, 0, 0, 127));
                imagealphablending($new_image, false);
                imagesavealpha($new_image, true);
                break;
            case IMAGETYPE_GIF:
                $source = imagecreatefromgif($file_path);
                break;
            default:
                return; // Не поддерживаемый тип
        }
        
        // Ресайз и сохраняем
        imagecopyresampled($new_image, $source, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
        
        switch ($type) {
            case IMAGETYPE_JPEG:
                imagejpeg($new_image, $file_path, 85);
                break;
            case IMAGETYPE_PNG:
                imagepng($new_image, $file_path, 8);
                break;
            case IMAGETYPE_GIF:
                imagegif($new_image, $file_path);
                break;
        }
        
        // Освобождаем память
        imagedestroy($source);
        imagedestroy($new_image);
    }
}

function handleAvatarUpload($file, $user_id) {
    global $pdo;
    
    // Проверяем папку для загрузок
    if (!file_exists(AVATARS_PATH)) {
        mkdir(AVATARS_PATH, 0755, true);
    }
    
    $allowed_types = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif', 'image/webp'];
    $max_size = 2 * 1024 * 1024; // 2MB
    
    // Проверка типа файла
    $finfo = finfo_open(FILEINFO_MIME_TYPE);
    $mime_type = finfo_file($finfo, $file['tmp_name']);
    finfo_close($finfo);
    
    if (!in_array($mime_type, $allowed_types)) {
        return ['success' => false, 'error' => 'Разрешены только JPG, PNG, GIF и WebP изображения'];
    }
    
    // Проверка размера
    if ($file['size'] > $max_size) {
        return ['success' => false, 'error' => 'Размер изображения не должен превышать 2MB'];
    }
    
    // Проверка на ошибки загрузки
    if ($file['error'] !== UPLOAD_ERR_OK) {
        return ['success' => false, 'error' => 'Ошибка загрузки файла: ' . $file['error']];
    }
    
    // Проверка реального типа файла по содержимому
    $allowed_signatures = [
        'image/jpeg' => "\xFF\xD8\xFF",
        'image/png'  => "\x89\x50\x4E\x47",
        'image/gif'  => "GIF",
        'image/webp' => "RIFF"
    ];
    
    $file_content = file_get_contents($file['tmp_name']);
    $signature = substr($file_content, 0, 4);
    
    $valid_signature = false;
    foreach ($allowed_signatures as $type => $sig) {
        if (strpos($signature, $sig) === 0) {
            $valid_signature = true;
            break;
        }
    }
    
    if (!$valid_signature) {
        return ['success' => false, 'error' => 'Неверный формат изображения'];
    }
    
    // Генерация уникального имени файла
    $extension = pathinfo($file['name'], PATHINFO_EXTENSION);
    $filename = 'avatar_' . $user_id . '_' . time() . '.' . $extension;
    $file_path = AVATARS_PATH . $filename;
    
    // Удаляем старый аватар если есть
    $userModel = new User($pdo);
    $user = $userModel->findById($user_id);
    if (!empty($user['avatar'])) {
        $old_file_path = AVATARS_PATH . $user['avatar'];
        if (file_exists($old_file_path)) {
            unlink($old_file_path);
        }
    }
    
    // Сохраняем новую аватарку
    if (move_uploaded_file($file['tmp_name'], $file_path)) {
        // Оптимизируем изображение
        optimizeAvatar($file_path);
        return ['success' => true, 'filename' => $filename];
    } else {
        return ['success' => false, 'error' => 'Не удалось сохранить файл'];
    }
}

function optimizeAvatar($file_path) {
    // Оптимизация аватарки - ресайз до 200x200
    list($width, $height, $type) = getimagesize($file_path);
    
    $max_size = 200;
    
    if ($width > $max_size || $height > $max_size) {
        // Вычисляем новые размеры
        $ratio = $width / $height;
        if ($ratio > 1) {
            $new_width = $max_size;
            $new_height = $max_size / $ratio;
        } else {
            $new_width = $max_size * $ratio;
            $new_height = $max_size;
        }
        
        // Создаем новое изображение
        $new_image = imagecreatetruecolor($new_width, $new_height);
        
        // Загружаем исходное изображение в зависимости от типа
        switch ($type) {
            case IMAGETYPE_JPEG:
                $source = imagecreatefromjpeg($file_path);
                break;
            case IMAGETYPE_PNG:
                $source = imagecreatefrompng($file_path);
                // Сохраняем прозрачность для PNG
                imagecolortransparent($new_image, imagecolorallocatealpha($new_image, 0, 0, 0, 127));
                imagealphablending($new_image, false);
                imagesavealpha($new_image, true);
                break;
            case IMAGETYPE_GIF:
                $source = imagecreatefromgif($file_path);
                break;
            case IMAGETYPE_WEBP:
                $source = imagecreatefromwebp($file_path);
                break;
            default:
                return; // Не поддерживаемый тип
        }
        
        // Ресайз и сохраняем
        imagecopyresampled($new_image, $source, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
        
        switch ($type) {
            case IMAGETYPE_JPEG:
                imagejpeg($new_image, $file_path, 85);
                break;
            case IMAGETYPE_PNG:
                imagepng($new_image, $file_path, 8);
                break;
            case IMAGETYPE_GIF:
                imagegif($new_image, $file_path);
                break;
            case IMAGETYPE_WEBP:
                imagewebp($new_image, $file_path, 85);
                break;
        }
        
        // Освобождаем память
        imagedestroy($source);
        imagedestroy($new_image);
    }
}

function deleteUserAvatar($user_id) {
    global $pdo;
    
    $userModel = new User($pdo);
    $user = $userModel->findById($user_id);
    
    if (!empty($user['avatar'])) {
        $file_path = AVATARS_PATH . $user['avatar'];
        if (file_exists($file_path)) {
            unlink($file_path);
        }
        
        // Обновляем запись в БД
        $stmt = $pdo->prepare("UPDATE users SET avatar = NULL WHERE id = ?");
        return $stmt->execute([$user_id]);
    }
    
    return true;
}
?>
// ./includes/index.php

// ./composer.lock
{
    "_readme": [
        "This file locks the dependencies of your project to a known state",
        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
        "This file is @generated automatically"
    ],
    "content-hash": "493a3be12648bbe702ed126df05ead04",
    "packages": [
        {
            "name": "cybermonde/odtphp",
            "version": "v1.7",
            "source": {
                "type": "git",
                "url": "https://github.com/cybermonde/odtphp.git",
                "reference": "23aba70923ca3c07af15a5600f4072751c1b4a36"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/cybermonde/odtphp/zipball/23aba70923ca3c07af15a5600f4072751c1b4a36",
                "reference": "23aba70923ca3c07af15a5600f4072751c1b4a36",
                "shasum": ""
            },
            "require": {
                "php": ">=5.2.4"
            },
            "type": "library",
            "autoload": {
                "classmap": [
                    "library"
                ]
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "GPL"
            ],
            "description": "ODT document generator",
            "homepage": "https://github.com/cybermonde/odtphp",
            "keywords": [
                "odt",
                "php"
            ],
            "support": {
                "issues": "https://github.com/cybermonde/odtphp/issues",
                "source": "https://github.com/cybermonde/odtphp/tree/v1.7"
            },
            "time": "2015-06-02T07:28:25+00:00"
        },
        {
            "name": "phpoffice/math",
            "version": "0.3.0",
            "source": {
                "type": "git",
                "url": "https://github.com/PHPOffice/Math.git",
                "reference": "fc31c8f57a7a81f962cbf389fd89f4d9d06fc99a"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/PHPOffice/Math/zipball/fc31c8f57a7a81f962cbf389fd89f4d9d06fc99a",
                "reference": "fc31c8f57a7a81f962cbf389fd89f4d9d06fc99a",
                "shasum": ""
            },
            "require": {
                "ext-dom": "*",
                "ext-xml": "*",
                "php": "^7.1|^8.0"
            },
            "require-dev": {
                "phpstan/phpstan": "^0.12.88 || ^1.0.0",
                "phpunit/phpunit": "^7.0 || ^9.0"
            },
            "type": "library",
            "autoload": {
                "psr-4": {
                    "PhpOffice\\Math\\": "src/Math/"
                }
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "MIT"
            ],
            "authors": [
                {
                    "name": "Progi1984",
                    "homepage": "https://lefevre.dev"
                }
            ],
            "description": "Math - Manipulate Math Formula",
            "homepage": "https://phpoffice.github.io/Math/",
            "keywords": [
                "MathML",
                "officemathml",
                "php"
            ],
            "support": {
                "issues": "https://github.com/PHPOffice/Math/issues",
                "source": "https://github.com/PHPOffice/Math/tree/0.3.0"
            },
            "time": "2025-05-29T08:31:49+00:00"
        },
        {
            "name": "phpoffice/phpword",
            "version": "1.4.0",
            "source": {
                "type": "git",
                "url": "https://github.com/PHPOffice/PHPWord.git",
                "reference": "6d75328229bc93790b37e93741adf70646cea958"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/PHPOffice/PHPWord/zipball/6d75328229bc93790b37e93741adf70646cea958",
                "reference": "6d75328229bc93790b37e93741adf70646cea958",
                "shasum": ""
            },
            "require": {
                "ext-dom": "*",
                "ext-gd": "*",
                "ext-json": "*",
                "ext-xml": "*",
                "ext-zip": "*",
                "php": "^7.1|^8.0",
                "phpoffice/math": "^0.3"
            },
            "require-dev": {
                "dompdf/dompdf": "^2.0 || ^3.0",
                "ext-libxml": "*",
                "friendsofphp/php-cs-fixer": "^3.3",
                "mpdf/mpdf": "^7.0 || ^8.0",
                "phpmd/phpmd": "^2.13",
                "phpstan/phpstan": "^0.12.88 || ^1.0.0",
                "phpstan/phpstan-phpunit": "^1.0 || ^2.0",
                "phpunit/phpunit": ">=7.0",
                "symfony/process": "^4.4 || ^5.0",
                "tecnickcom/tcpdf": "^6.5"
            },
            "suggest": {
                "dompdf/dompdf": "Allows writing PDF",
                "ext-xmlwriter": "Allows writing OOXML and ODF",
                "ext-xsl": "Allows applying XSL style sheet to headers, to main document part, and to footers of an OOXML template"
            },
            "type": "library",
            "autoload": {
                "psr-4": {
                    "PhpOffice\\PhpWord\\": "src/PhpWord"
                }
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "LGPL-3.0-only"
            ],
            "authors": [
                {
                    "name": "Mark Baker"
                },
                {
                    "name": "Gabriel Bull",
                    "email": "me@gabrielbull.com",
                    "homepage": "http://gabrielbull.com/"
                },
                {
                    "name": "Franck Lefevre",
                    "homepage": "https://rootslabs.net/blog/"
                },
                {
                    "name": "Ivan Lanin",
                    "homepage": "http://ivan.lanin.org"
                },
                {
                    "name": "Roman Syroeshko",
                    "homepage": "http://ru.linkedin.com/pub/roman-syroeshko/34/a53/994/"
                },
                {
                    "name": "Antoine de Troostembergh"
                }
            ],
            "description": "PHPWord - A pure PHP library for reading and writing word processing documents (OOXML, ODF, RTF, HTML, PDF)",
            "homepage": "https://phpoffice.github.io/PHPWord/",
            "keywords": [
                "ISO IEC 29500",
                "OOXML",
                "Office Open XML",
                "OpenDocument",
                "OpenXML",
                "PhpOffice",
                "PhpWord",
                "Rich Text Format",
                "WordprocessingML",
                "doc",
                "docx",
                "html",
                "odf",
                "odt",
                "office",
                "pdf",
                "php",
                "reader",
                "rtf",
                "template",
                "template processor",
                "word",
                "writer"
            ],
            "support": {
                "issues": "https://github.com/PHPOffice/PHPWord/issues",
                "source": "https://github.com/PHPOffice/PHPWord/tree/1.4.0"
            },
            "time": "2025-06-05T10:32:36+00:00"
        },
        {
            "name": "tecnickcom/tcpdf",
            "version": "6.10.0",
            "source": {
                "type": "git",
                "url": "https://github.com/tecnickcom/TCPDF.git",
                "reference": "ca5b6de294512145db96bcbc94e61696599c391d"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/ca5b6de294512145db96bcbc94e61696599c391d",
                "reference": "ca5b6de294512145db96bcbc94e61696599c391d",
                "shasum": ""
            },
            "require": {
                "ext-curl": "*",
                "php": ">=7.1.0"
            },
            "type": "library",
            "autoload": {
                "classmap": [
                    "config",
                    "include",
                    "tcpdf.php",
                    "tcpdf_barcodes_1d.php",
                    "tcpdf_barcodes_2d.php",
                    "include/tcpdf_colors.php",
                    "include/tcpdf_filters.php",
                    "include/tcpdf_font_data.php",
                    "include/tcpdf_fonts.php",
                    "include/tcpdf_images.php",
                    "include/tcpdf_static.php",
                    "include/barcodes/datamatrix.php",
                    "include/barcodes/pdf417.php",
                    "include/barcodes/qrcode.php"
                ]
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "LGPL-3.0-or-later"
            ],
            "authors": [
                {
                    "name": "Nicola Asuni",
                    "email": "info@tecnick.com",
                    "role": "lead"
                }
            ],
            "description": "TCPDF is a PHP class for generating PDF documents and barcodes.",
            "homepage": "http://www.tcpdf.org/",
            "keywords": [
                "PDFD32000-2008",
                "TCPDF",
                "barcodes",
                "datamatrix",
                "pdf",
                "pdf417",
                "qrcode"
            ],
            "support": {
                "issues": "https://github.com/tecnickcom/TCPDF/issues",
                "source": "https://github.com/tecnickcom/TCPDF/tree/6.10.0"
            },
            "funding": [
                {
                    "url": "https://www.paypal.com/donate/?hosted_button_id=NZUEC5XS8MFBJ",
                    "type": "custom"
                }
            ],
            "time": "2025-05-27T18:02:28+00:00"
        }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "stable",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": {},
    "platform-dev": {},
    "plugin-api-version": "2.9.0"
}

// ./README.md
# Web Writer

**Лицензия:** AGPLv3  

**Web Writer** — веб-приложение для написания, хранения и публикации книг и серий книг. Поддерживает Markdown с расширением для диалогов, автосохранение текста, экспорт и управление пользователями.

---

## 🚀 Возможности

- **Книги и серии:** создавайте серии и добавляйте книги с главами.  
- **Редактор книг:** Markdown, автосохранение текста, интерактивное содержание.  
- **Предпросмотр книг:**
  - **Автор:** видит все черновики и опубликованные главы.  
  - **Публичный доступ:** только опубликованные главы по ссылке с `shared_token`.  
- **Обложки и аватары:** добавляйте изображения к книгам и профилям.  
- **Экспорт:** PDF, DOCX, HTML, TXT.  
- **Администрирование пользователей:**  
  - Управление аккаунтами, активация/деактивация.  
  - При удалении пользователя удаляются все его книги.  
- **Публичные ссылки:** делитесь `shared_token` для просмотра опубликованных глав.

---

## ⚙️ Требования

- **PHP:** 8.0 и выше  
- **MySQL** с InnoDB и внешними ключами  
- **PHP расширения:** `mbstring`, `json`, `PDO`  
- Веб-сервер с правами на запись в папки `config/` и `uploads/`  

> Все библиотеки уже включены в `vendor/`. Composer не нужен.

---

## 🛠 Установка

1. Скопируйте файлы на веб-сервер.  
2. Проверьте доступность папок `config/` и `uploads/` для записи.  
3. Перейдите в браузере на `install.php` и следуйте шагам:  

   **Шаг 1: Настройки базы данных**  
   - Хост БД  
   - Имя базы данных  
   - Пользователь и пароль  

   **Шаг 2: Создание администратора**  
   - Имя пользователя  
   - Пароль  
   - Email (по желанию)  
   - Отображаемое имя (по желанию)

4. После успешной установки файл `config/config.php` будет сгенерирован автоматически.  
5. Перейдите на главную страницу приложения (`index.php`) и войдите под админом.
6. **Не забудьте удалить или переместить файл install.php!!!**

---

## 📝 Конфигурация

Файл `config/config.php` содержит:

- Подключение к базе данных: `DB_HOST`, `DB_USER`, `DB_PASS`, `DB_NAME`  
- Пути к файлам:
  - `UPLOAD_PATH` — корневая папка загрузок  
  - `COVERS_PATH` / `COVERS_URL` — обложки книг  
  - `AVATARS_PATH` / `AVATARS_URL` — аватары пользователей  
- Адрес сайта: `SITE_URL`  
- Имя приложения: `APP_NAME` = "Web Writer"

---

## 🛠 Дальнейшее развитие

- Планирую вынести работу с сущностями (книги, главы, серии, пользователи) в контроллеры.  
- Создать единую точку входа для приложения.

---

## ❗ Поддержка

Все ошибки и предложения шлите в issue

---

## 📜 Лицензия

Приложение распространяется под лицензией [AGPLv3](https://www.gnu.org/licenses/agpl-3.0.html).
// ./assets/index.php

// ./assets/css/quill_reset.css
/* Увеличиваем специфичность для кнопок Quill */
.ql-toolbar .ql-picker-label,
.ql-toolbar button,
.ql-toolbar [role="button"] {
    all: unset; /* Сбрасываем все стили Pico (background, border, padding и т.д.) */
    display: inline-block; /* Восстанавливаем базовые стили Quill */
    cursor: pointer;
    padding: 0; /* Quill кнопки не имеют padding */
    margin: 0;
    border: none;
    background: none;
    color: inherit; /* Наследуем цвет от Quill */
    font-size: inherit;
    line-height: inherit;
    text-decoration: none; /* Убираем подчёркивание, если это <a> */
}

/* Восстанавливаем hover/active стили Quill (если они сломались) */
.ql-toolbar button:hover,
.ql-toolbar [role="button"]:hover {
    color: #06c; /* Пример из Quill snow theme; адаптируйте */
    background: none; /* Без фона */
}

.ql-toolbar button.ql-active,
.ql-toolbar [role="button"].ql-active {
    color: #06c;
    background: none;
}

/* Для иконок (SVG в Quill) */
.ql-toolbar .ql-icon {
    fill: currentColor; /* Убедимся, что иконки наследуют цвет */
}

/* Если Quill использует <span> для кнопок */
.ql-toolbar .ql-picker-item,
.ql-toolbar .ql-picker-options [role="button"] {
    all: unset;
    cursor: pointer;
}
// ./assets/css/quill.snow.css
/*!
 * Quill Editor v2.0.3
 * https://quilljs.com
 * Copyright (c) 2017-2024, Slab
 * Copyright (c) 2014, Jason Chen
 * Copyright (c) 2013, salesforce.com
 */
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.ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:12em}.ql-editor li.ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:13.5em}.ql-editor .ql-indent-5:not(.ql-direction-rtl){padding-left:15em}.ql-editor li.ql-indent-5:not(.ql-direction-rtl){padding-left:16.5em}.ql-editor .ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:15em}.ql-editor li.ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:16.5em}.ql-editor .ql-indent-6:not(.ql-direction-rtl){padding-left:18em}.ql-editor li.ql-indent-6:not(.ql-direction-rtl){padding-left:19.5em}.ql-editor .ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:18em}.ql-editor li.ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:19.5em}.ql-editor .ql-indent-7:not(.ql-direction-rtl){padding-left:21em}.ql-editor li.ql-indent-7:not(.ql-direction-rtl){padding-left:22.5em}.ql-editor .ql-indent-7.ql-direction-rtl.ql-align-right{padding-right:21em}.ql-editor 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.ql-code-block-container{margin-bottom:5px;margin-top:5px;padding:5px 10px}.ql-snow .ql-editor code{font-size:85%;padding:2px 4px}.ql-snow .ql-editor .ql-code-block-container{background-color:#23241f;color:#f8f8f2;overflow:visible}.ql-snow .ql-editor img{max-width:100%}.ql-snow .ql-picker{color:#444;display:inline-block;float:left;font-size:14px;font-weight:500;height:24px;position:relative;vertical-align:middle}.ql-snow .ql-picker-label{cursor:pointer;display:inline-block;height:100%;padding-left:8px;padding-right:2px;position:relative;width:100%}.ql-snow .ql-picker-label::before{display:inline-block;line-height:22px}.ql-snow .ql-picker-options{background-color:#fff;display:none;min-width:100%;padding:4px 8px;position:absolute;white-space:nowrap}.ql-snow .ql-picker-options .ql-picker-item{cursor:pointer;display:block;padding-bottom:5px;padding-top:5px}.ql-snow .ql-picker.ql-expanded .ql-picker-label{color:#ccc;z-index:2}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-fill{fill:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-stroke{stroke:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-options{display:block;margin-top:-1px;top:100%;z-index:1}.ql-snow .ql-color-picker,.ql-snow .ql-icon-picker{width:28px}.ql-snow .ql-color-picker .ql-picker-label,.ql-snow .ql-icon-picker .ql-picker-label{padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-label svg,.ql-snow .ql-icon-picker .ql-picker-label svg{right:4px}.ql-snow .ql-icon-picker .ql-picker-options{padding:4px 0}.ql-snow .ql-icon-picker .ql-picker-item{height:24px;width:24px;padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-options{padding:3px 5px;width:152px}.ql-snow .ql-color-picker .ql-picker-item{border:1px solid transparent;float:left;height:16px;margin:2px;padding:0;width:16px}.ql-snow .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) svg{position:absolute;margin-top:-9px;right:0;top:50%;width:18px}.ql-snow .ql-picker.ql-header .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-font .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-size .ql-picker-label[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-label]:not([data-label=''])::before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-label]:not([data-label=''])::before{content:attr(data-label)}.ql-snow .ql-picker.ql-header{width:98px}.ql-snow .ql-picker.ql-header .ql-picker-label::before,.ql-snow .ql-picker.ql-header .ql-picker-item::before{content:'Normal'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before{content:'Heading 1'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before{content:'Heading 2'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before{content:'Heading 3'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before{content:'Heading 4'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before{content:'Heading 5'}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before{content:'Heading 6'}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before{font-size:2em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before{font-size:1.5em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before{font-size:1.17em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before{font-size:1em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before{font-size:.83em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before{font-size:.67em}.ql-snow .ql-picker.ql-font{width:108px}.ql-snow .ql-picker.ql-font .ql-picker-label::before,.ql-snow .ql-picker.ql-font .ql-picker-item::before{content:'Sans Serif'}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=serif]::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]::before{content:'Serif'}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=monospace]::before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]::before{content:'Monospace'}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]::before{font-family:Georgia,Times New Roman,serif}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]::before{font-family:Monaco,Courier New,monospace}.ql-snow .ql-picker.ql-size{width:98px}.ql-snow .ql-picker.ql-size .ql-picker-label::before,.ql-snow .ql-picker.ql-size .ql-picker-item::before{content:'Normal'}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=small]::before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]::before{content:'Small'}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=large]::before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]::before{content:'Large'}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=huge]::before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]::before{content:'Huge'}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]::before{font-size:10px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]::before{font-size:18px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]::before{font-size:32px}.ql-snow .ql-color-picker.ql-background .ql-picker-item{background-color:#fff}.ql-snow .ql-color-picker.ql-color .ql-picker-item{background-color:#000}.ql-code-block-container{position:relative}.ql-code-block-container .ql-ui{right:5px;top:5px}.ql-toolbar.ql-snow{border:1px solid #ccc;box-sizing:border-box;font-family:'Helvetica Neue','Helvetica','Arial',sans-serif;padding:8px}.ql-toolbar.ql-snow .ql-formats{margin-right:15px}.ql-toolbar.ql-snow .ql-picker-label{border:1px solid transparent}.ql-toolbar.ql-snow .ql-picker-options{border:1px solid transparent;box-shadow:rgba(0,0,0,0.2) 0 2px 8px}.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-label{border-color:#ccc}.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-options{border-color:#ccc}.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item.ql-selected,.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item:hover{border-color:#000}.ql-toolbar.ql-snow + .ql-container.ql-snow{border-top:0}.ql-snow .ql-tooltip{background-color:#fff;border:1px solid #ccc;box-shadow:0 0 5px #ddd;color:#444;padding:5px 12px;white-space:nowrap}.ql-snow .ql-tooltip::before{content:"Visit URL:";line-height:26px;margin-right:8px}.ql-snow .ql-tooltip input[type=text]{display:none;border:1px solid #ccc;font-size:13px;height:26px;margin:0;padding:3px 5px;width:170px}.ql-snow .ql-tooltip a.ql-preview{display:inline-block;max-width:200px;overflow-x:hidden;text-overflow:ellipsis;vertical-align:top}.ql-snow .ql-tooltip a.ql-action::after{border-right:1px solid #ccc;content:'Edit';margin-left:16px;padding-right:8px}.ql-snow .ql-tooltip a.ql-remove::before{content:'Remove';margin-left:8px}.ql-snow .ql-tooltip a{line-height:26px}.ql-snow .ql-tooltip.ql-editing a.ql-preview,.ql-snow .ql-tooltip.ql-editing a.ql-remove{display:none}.ql-snow .ql-tooltip.ql-editing input[type=text]{display:inline-block}.ql-snow .ql-tooltip.ql-editing a.ql-action::after{border-right:0;content:'Save';padding-right:0}.ql-snow .ql-tooltip[data-mode=link]::before{content:"Enter link:"}.ql-snow .ql-tooltip[data-mode=formula]::before{content:"Enter formula:"}.ql-snow .ql-tooltip[data-mode=video]::before{content:"Enter video:"}.ql-snow a{color:#06c}.ql-container.ql-snow{border:1px solid #ccc}

/*# sourceMappingURL=quill.snow.css.map*/
// ./assets/css/index.php

// ./assets/css/style.css
/* ===== БАЗОВЫЕ СТИЛИ ===== */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--color);
  font-weight: var(--font-weight);
  font-size: var(--font-size);
  font-family: var(--font-family);
}
article{
    margin-top: 0em;
}
article > header {
  margin-top: calc(var(--block-spacing-vertical) * -1);
  margin-bottom: calc(var(--block-spacing-vertical)-1);
  border-bottom: var(--border-width) solid var(--card-border-color);
  border-top-right-radius: var(--border-radius);
  border-top-left-radius: var(--border-radius);
  padding-bottom: 0.5em;
}
article > footer {
  margin-top: calc(var(--block-spacing-vertical)-1);
  margin-bottom: calc(var(--block-spacing-vertical) * -1);
  border-top: var(--border-width) solid var(--card-border-color);
  border-bottom-right-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  padding-top: 0.5em;
}
/* Центрирование контейнера */
main.container {
    margin: 1rem auto;
    padding: 1rem 0;
    max-width: 100%;
}

/* Центрируем основной контент */
.container {
    width: 60%;
    margin-right: 10rem;
    margin-left: 10rem;
}

/* Для больших экранов - ограничиваем ширину */
@media (min-width: 768px) {
    .container {
        max-width: 1200px;
        padding: 0 1rem;
    }
}

/* ===== КОМПОНЕНТЫ ===== */
/* Уведомления */
.alert {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

.alert-success {
    background: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Кнопки */
.button-group {
    display: flex;
    gap: 5px;
    margin-bottom: 1rem;
}

.button-group button,
.button-group a[role="button"] {
    flex: 1;
    padding: 0.5rem;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}

.compact-button {
    padding: 3px 8px;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    height: 28px;
    box-sizing: border-box;
    line-height: 1;
}

.action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    height: 44px;
    min-width: 140px;
    white-space: nowrap;
    transition: opacity 0.3s ease;
    text-align: center;
}

/* Цвета кнопок */
.button-group .delete-btn,
.action-button.delete {
    background: #ff4444;
    border-color: #ff4444;
    color: white;
}

.button-group .delete-btn:hover,
.action-button.delete:hover {
    background: #dd3333;
    border-color: #dd3333;
}

.green-btn {
    background: #449944;
    border-color: #449944;
    color: white;
}

.green-btn:hover {
    background: #44bb44;
    border-color: #44bb44;
}

.primary-btn {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-inverse);
}

.secondary-btn {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--secondary-inverse);
}
.red-btn {
    background: #ff4444;
    border-color: #ff4444;
    color: white;
}

.red-btn:hover {
    background: #dd3333;
    border-color: #dd3333;
    color: white;
}

/* ===== КНИГИ И КОНТЕНТ ===== */
.book-content {
    line-height: 1.7;
    font-family: Georgia, serif;
    max-width: 100%;
}

.book-content h1 {
    font-size: 2em;
    margin: 2rem 0 1rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.book-content h2 {
    font-size: 1.6em;
    margin: 1.5rem 0 1rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.3rem;
}

.book-content h3 {
    font-size: 1.3em;
    margin: 1.2rem 0 0.8rem;
}

.book-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.book-content blockquote {
    border-left: 4px solid #007bff;
    padding-left: 1.5rem;
    margin: 1rem 0;
    color: #555;
    font-style: italic;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 0 5px 5px 0;
}

.book-content code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

.book-content pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

.book-content pre code {
    background: none;
    padding: 0;
}

.book-content ul, .book-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.book-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.book-content th, .book-content td {
    border: 1px solid #ddd;
    padding: 10px 12px;
}

/* Центрируем таблицы в книжном контенте */
.book-content table {
    margin-left: auto;
    margin-right: auto;
}

/* ===== МЕДИА ===== */
.book-cover {
    transition: transform 0.3s ease;
    display: block;
    margin: 0 auto;
}

.book-cover:hover {
    transform: scale(1.05);
}

.cover-placeholder {
    width: 120px;
    height: 160px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.avatar-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid #007bff;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

.avatar-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    margin: 0 auto;
}

/* Центрируем статистику */
.author-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.stat-item {
    text-align: center;
}

/* ===== QUILL РЕДАКТОР ===== */
.writer-editor-container {
    margin: 10px 0;
    width: 100%;
}

.writer-editor-container .ql-editor {
    min-height: 400px;
    font-family: 'Georgia', serif;
    line-height: 1.6;
}


/* ===== DASHBOARD ===== */
.dashboard-buttons {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
    justify-content: center;
}

.dashboard-button {
    text-align: center;
    padding: 0.75rem 0.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-item {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid #e0e0e0;
    padding: 1rem;
    text-align: center;
}

.dashboard-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Центрируем welcome сообщение */
.welcome-message {
    text-align: center;
    padding: 3rem;
    background: #f9f9f9;
    border-radius: 8px;
    margin: 2rem auto;
    max-width: 800px;
}

.welcome-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .dashboard-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .book-content {
        font-size: 16px;
        padding: 0 0.5rem;
    }
    
    .book-content h1 {
        font-size: 1.6em;
    }
    
    .book-content h2 {
        font-size: 1.4em;
    }
    
    .avatar, .avatar-placeholder {
        width: 120px;
        height: 120px;
    }
    
    .action-button {
        min-width: 120px;
        padding: 0.6rem 1rem;
    }
    
    .welcome-message {
        padding: 2rem 1rem;
        margin: 1rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .book-content h1 {
        font-size: 1.4em;
    }
    
    .avatar, .avatar-placeholder {
        width: 100px;
        height: 100px;
    }
    
    .action-button {
        width: 100%;
        min-width: auto;
    }
    
    .author-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Стили для управления сериями */
.books-list {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    background: #fafafa;
}

.book-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
    background: white;
    transition: all 0.2s ease;
}

.book-item:last-child {
    border-bottom: none;
}

.book-item:hover {
    background: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.book-item.sortable-ghost {
    opacity: 0.6;
    background: #e3f2fd;
}

.book-item.sortable-chosen {
    background: #e3f2fd;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.book-drag-handle {
    padding: 0 12px;
    color: #666;
    font-size: 1.2rem;
    cursor: move;
    user-select: none;
}

.book-drag-handle:hover {
    color: #007bff;
}

.book-info {
    flex: 1;
    padding: 0 12px;
}

.book-info strong {
    display: block;
    margin-bottom: 4px;
    color: #333;
}

.book-info small {
    color: #666;
    font-size: 0.8rem;
}

.book-actions {
    display: flex;
    gap: 8px;
}

/* Адаптивность для мобильных */
@media (max-width: 768px) {
    .book-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .book-drag-handle {
        align-self: flex-start;
    }
    
    .book-actions {
        align-self: stretch;
        justify-content: space-between;
    }
    
    .book-actions .compact-button {
        flex: 1;
        text-align: center;
    }
}

.series-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.series-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.series-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #007bff;
}

.series-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.series-header {
    margin-bottom: 1rem;
}

.series-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #333;
}

.series-title a {
    text-decoration: none;
    color: inherit;
}

.series-title a:hover {
    color: #007bff;
}

.series-meta {
    color: #666;
    font-size: 0.9rem;
}

.series-description {
    color: #555;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.series-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.series-stat {
    padding: 0.5rem;
}

.series-stat-number {
    font-size: 1.4rem;
    font-weight: bold;
    color: #6f42c1;
    display: block;
}

.series-stat-label {
    font-size: 0.8rem;
    color: #666;
    display: block;
}

.series-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Пустое состояние */
.series-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

.series-empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Адаптивность для серий */
@media (max-width: 768px) {
    .series-grid {
        grid-template-columns: 1fr;
    }
    
    .series-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .series-actions {
        flex-direction: column;
    }
    
    .series-actions .compact-button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .series-card {
        padding: 1rem;
    }
    
    .series-stats-grid {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
    
    .series-stat {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.25rem 0;
    }
    
    .series-stat-number {
        font-size: 1.1rem;
    }
}
/* ===== СТИЛИ ДЛЯ СПИСКА КНИГ ===== */
.books-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.book-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.book-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #007bff;
}

.book-cover-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: #f8f9fa;
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.book-card:hover .book-cover {
    transform: scale(1.05);
}

.cover-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.book-status {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.book-status.published {
    background: rgba(40, 167, 69, 0.9);
    color: white;
}

.book-info {
    padding: 1.5rem;
}

.book-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    line-height: 1.3;
}

.book-title a {
    text-decoration: none;
    color: inherit;
}

.book-title a:hover {
    color: #007bff;
}

.book-genre {
    margin: 0 0 0.5rem 0;
    color: #666;
    font-style: italic;
    font-size: 0.9rem;
}

.book-description {
    margin: 0 0 1rem 0;
    color: #555;
    line-height: 1.4;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 4px;
    font-size: 0.85rem;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-item strong {
    display: block;
    font-size: 1.1rem;
    color: #6f42c1;
}

.book-actions {
    display:grid;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

.book-actions .compact-button {
    flex: 1;
    min-width: 0;
    text-align: center;
    white-space: nowrap;
}

/* Пустое состояние */
.books-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

.books-empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Футер со статистикой */
.books-stats-footer {
    margin-top: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
    text-align: center;
    color: #666;
}

/* Адаптивность */
@media (max-width: 768px) {
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .book-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .book-actions {
        flex-direction: column;
    }
    
    .book-actions .compact-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .book-info {
        padding: 1rem;
    }
    
    .book-cover-container {
        height: 160px;
    }
    
    .cover-placeholder {
        font-size: 2rem;
    }
}
// ./config/index.php

// ./config/config.php
<?php
// config/config.php - автоматически сгенерирован установщиком
// Подключаем функции
require_once __DIR__ . '/../includes/functions.php';
session_start();

// Настройки базы данных
define('DB_HOST', 'localhost');
define('DB_USER', 'writer_mirv');
define('DB_PASS', 'writer_moloko22');
define('DB_NAME', 'writer_app');
define('SITE_URL', 'http://writer.local');

// Настройки приложения
define('APP_NAME', 'Web Writer');
define('UPLOAD_PATH', __DIR__ . '/../uploads/');
define('COVERS_PATH', UPLOAD_PATH . 'covers/');
define('COVERS_URL', SITE_URL . '/uploads/covers/');
define('AVATARS_PATH', UPLOAD_PATH . 'avatars/');
define('AVATARS_URL', SITE_URL . '/uploads/avatars/');

// Создаем папку для загрузок, если ее нет
if (!file_exists(COVERS_PATH)) {
    mkdir(COVERS_PATH, 0755, true);
}
if (!file_exists(AVATARS_PATH)) {
    mkdir(AVATARS_PATH, 0755, true);
}

// Подключение к базе данных
try {
    $pdo = new PDO("mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=utf8mb4", DB_USER, DB_PASS);
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException $e) {
    error_log("DB Error: " . $e->getMessage());
    die("Ошибка подключения к базе данных");
}

// Добавляем константы для новых путей
define('CONTROLLERS_PATH', __DIR__ . '/../controllers/');
define('VIEWS_PATH', __DIR__ . '/../views/');
define('LAYOUTS_PATH', VIEWS_PATH . 'layouts/');

// Автозагрузка контроллеров
spl_autoload_register(function ($class_name) {
    $controller_file = CONTROLLERS_PATH . $class_name . '.php';
    if (file_exists($controller_file)) {
        require_once $controller_file;
    }
});
?>
// ./install.php
<?php
// install.php - установщик приложения

// Проверяем, не установлено ли приложение уже
if (file_exists('config/config.php')) {
    die('Приложение уже установлено. Для переустановки удалите файл config/config.php');
}

// SQL для создания таблиц
$database_sql = <<<SQL
SET FOREIGN_KEY_CHECKS=0;

-- Удаляем существующие таблицы в правильном порядке (сначала дочерние, потом родительские)
DROP TABLE IF EXISTS `user_sessions`;
DROP TABLE IF EXISTS `chapters`;
DROP TABLE IF EXISTS `books`;
DROP TABLE IF EXISTS `series`;
DROP TABLE IF EXISTS `users`;

-- Таблица пользователей
CREATE TABLE `users` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(255) NOT NULL,
  `display_name` varchar(255) DEFAULT NULL,
  `password_hash` varchar(255) NOT NULL,
  `email` varchar(255) DEFAULT NULL,
  `avatar` varchar(500) DEFAULT NULL,
  `bio` text DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `last_login` timestamp NULL DEFAULT NULL,
  `is_active` tinyint(1) DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `username` (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- Таблица серий
CREATE TABLE `series` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `user_id` int(11) NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `idx_series_user_id` (`user_id`),
  CONSTRAINT `series_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- Таблица книг
CREATE TABLE `books` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `genre` varchar(100) DEFAULT NULL,
  `cover_image` varchar(500) DEFAULT NULL,
  `user_id` int(11) NOT NULL,
  `series_id` int(11) DEFAULT NULL,
  `sort_order_in_series` int(11) DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  `share_token` varchar(32) DEFAULT NULL,
  `published` tinyint(1) NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `share_token` (`share_token`),
  KEY `user_id` (`user_id`),
  KEY `series_id` (`series_id`),
  KEY `idx_sort_order_in_series` (`sort_order_in_series`),
  KEY `idx_books_series_id` (`series_id`),
  KEY `idx_books_sort_order` (`sort_order_in_series`),
  CONSTRAINT `books_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `books_ibfk_2` FOREIGN KEY (`series_id`) REFERENCES `series` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- Таблица глав
CREATE TABLE `chapters` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `book_id` int(11) NOT NULL,
  `title` varchar(255) NOT NULL,
  `content` text NOT NULL,
  `word_count` int(11) DEFAULT 0,
  `sort_order` int(11) NOT NULL DEFAULT 0,
  `status` enum('draft','published') DEFAULT 'draft',
  `created_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  PRIMARY KEY (`id`),
  KEY `book_id` (`book_id`),
  CONSTRAINT `chapters_ibfk_1` FOREIGN KEY (`book_id`) REFERENCES `books` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

-- Таблица сессий пользователей
CREATE TABLE `user_sessions` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `session_token` varchar(64) NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `expires_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `user_sessions_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

SET FOREIGN_KEY_CHECKS=1;
SQL;

$step = $_GET['step'] ?? '1';
$error = '';
$success = '';

// Обработка формы
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if ($step === '1') {
        // Шаг 1: Проверка подключения к БД
        $db_host = $_POST['db_host'] ?? 'localhost';
        $db_name = $_POST['db_name'] ?? 'writer_app';
        $db_user = $_POST['db_user'] ?? '';
        $db_pass = $_POST['db_pass'] ?? '';
        
        try {
            // Пытаемся подключиться к MySQL
            $pdo = new PDO("mysql:host=$db_host", $db_user, $db_pass);
            $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            
            // Пытаемся создать базу данных если не существует
            $pdo->exec("CREATE DATABASE IF NOT EXISTS `$db_name` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
            $pdo->exec("USE `$db_name`");
            
            // Сохраняем данные в сессии для следующего шага
            session_start();
            $_SESSION['install_data'] = [
                'db_host' => $db_host,
                'db_name' => $db_name,
                'db_user' => $db_user,
                'db_pass' => $db_pass
            ];
            
            header('Location: install.php?step=2');
            exit;
            
        } catch (PDOException $e) {
            $error = "Ошибка подключения к базе данных: " . $e->getMessage();
        }
        
    } elseif ($step === '2') {
        // Шаг 2: Создание администратора
        session_start();
        if (!isset($_SESSION['install_data'])) {
            header('Location: install.php?step=1');
            exit;
        }
        
        $admin_username = $_POST['admin_username'] ?? '';
        $admin_password = $_POST['admin_password'] ?? '';
        $admin_email = $_POST['admin_email'] ?? '';
        $admin_display_name = $_POST['admin_display_name'] ?? $admin_username;
        
        if (empty($admin_username) || empty($admin_password)) {
            $error = 'Имя пользователя и пароль администратора обязательны';
        } else {
            try {
                $db = $_SESSION['install_data'];
                $pdo = new PDO("mysql:host={$db['db_host']};dbname={$db['db_name']}", $db['db_user'], $db['db_pass']);
                $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
                
                // Создаем таблицы
                $pdo->exec($database_sql);
                
                // Создаем администратора
                $password_hash = password_hash($admin_password, PASSWORD_DEFAULT);
                $stmt = $pdo->prepare("
                    INSERT INTO users (username, display_name, password_hash, email, is_active, created_at) 
                    VALUES (?, ?, ?, ?, 1, NOW())
                ");
                $stmt->execute([$admin_username, $admin_display_name, $password_hash, $admin_email]);
                
                // Создаем config.php
                $config_content = generate_config($db);
                if (file_put_contents('config/config.php', $config_content)) {
                    // Создаем папки для загрузок
                    if (!file_exists('uploads/covers')) {
                        mkdir('uploads/covers', 0755, true);
                    }
                    if (!file_exists('uploads/avatars')) {
                        mkdir('uploads/avatars', 0755, true);
                    }
                    
                    $success = 'Установка завершена успешно!';
                    session_destroy();
                } else {
                    $error = 'Не удалось создать файл config.php. Проверьте права доступа к папке config/';
                }
                
            } catch (PDOException $e) {
                $error = "Ошибка при установке: " . $e->getMessage();
            }
        }
    }
}

function generate_config($db) {
    $site_url = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]";
    $base_path = str_replace('/install.php', '', $_SERVER['PHP_SELF']);
    $site_url .= $base_path;
    
    return <<<EOT
<?php
// config/config.php - автоматически сгенерирован установщиком
// Подключаем функции
require_once __DIR__ . '/../includes/functions.php';
session_start();

// Настройки базы данных
define('DB_HOST', '{$db['db_host']}');
define('DB_USER', '{$db['db_user']}');
define('DB_PASS', '{$db['db_pass']}');
define('DB_NAME', '{$db['db_name']}');
define('SITE_URL', '{$site_url}');

// Настройки приложения
define('APP_NAME', 'Web Writer');

define('CONTROLLERS_PATH', __DIR__ . '/../controllers/');
define('VIEWS_PATH', __DIR__ . '/../views/');
define('LAYOUTS_PATH', VIEWS_PATH . 'layouts/');

define('UPLOAD_PATH', __DIR__ . '/../uploads/');
define('COVERS_PATH', UPLOAD_PATH . 'covers/');
define('COVERS_URL', SITE_URL . '/uploads/covers/');
define('AVATARS_PATH', UPLOAD_PATH . 'avatars/');
define('AVATARS_URL', SITE_URL . '/uploads/avatars/');

// Создаем папку для загрузок, если ее нет
if (!file_exists(COVERS_PATH)) {
    mkdir(COVERS_PATH, 0755, true);
}
if (!file_exists(AVATARS_PATH)) {
    mkdir(AVATARS_PATH, 0755, true);
}

// Подключение к базе данных
try {
    \$pdo = new PDO("mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=utf8mb4", DB_USER, DB_PASS);
    \$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException \$e) {
    error_log("DB Error: " . \$e->getMessage());
    die("Ошибка подключения к базе данных");
}



// Автозагрузка моделей
spl_autoload_register(function (\$class_name) {
    \$model_file = __DIR__ . '/../models/' . \$class_name . '.php';
    if (file_exists(\$model_file)) {
        require_once \$model_file;
    }
});
?>
EOT;
}
?>
<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Установка Web Writer</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@1.5.10/css/pico.min.css">
    <style>
        .installation-steps {
            display: flex;
            justify-content: center;
            margin-bottom: 2rem;
        }
        .step {
            padding: 10px 20px;
            margin: 0 10px;
            border-radius: 20px;
            background: #f0f0f0;
            color: #666;
        }
        .step.active {
            background: #007bff;
            color: white;
        }
        .install-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 2rem;
        }
        .alert {
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 5px;
        }
        .alert-error {
            background: #ffebee;
            color: #c62828;
            border: 1px solid #ffcdd2;
        }
        .alert-success {
            background: #e8f5e8;
            color: #2e7d32;
            border: 1px solid #c8e6c9;
        }
        .button-group {
            display: flex;
            gap: 10px;
            margin-top: 1rem;
        }
        .button-group a,
        .button-group button {
            flex: 1;
            text-align: center;
            padding: 0.75rem;
            text-decoration: none;
            border: 1px solid;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            box-sizing: border-box;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .button-group a {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--secondary-inverse);
        }
        .button-group button {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--primary-inverse);
        }
        .button-group a:hover,
        .button-group button:hover {
            opacity: 0.9;
        }
    </style>
</head>
<body>
    <main class="container">
        <div class="install-container">
            <h1 style="text-align: center;">Установка Web Writer</h1>
            
            <!-- Шаги установки -->
            <div class="installation-steps">
                <div class="step <?= $step === '1' ? 'active' : '' ?>">1. База данных</div>
                <div class="step <?= $step === '2' ? 'active' : '' ?>">2. Администратор</div>
                <div class="step <?= $step === '3' ? 'active' : '' ?>">3. Завершение</div>
            </div>

            <?php if ($error): ?>
                <div class="alert alert-error">
                    <?= htmlspecialchars($error) ?>
                </div>
            <?php endif; ?>

            <?php if ($success): ?>
                <div class="alert alert-success">
                    <?= htmlspecialchars($success) ?>
                    <div style="margin-top: 1rem;">
                        <a href="index.php" role="button" class="contrast">Перейти к приложению</a>
                    </div>
                </div>
            <?php endif; ?>

            <?php if (!$success): ?>
                <?php if ($step === '1'): ?>
                    <!-- Шаг 1: Настройки базы данных -->
                    <form method="post">
                        <h3>Настройки базы данных</h3>
                        
                        <label for="db_host">
                            Хост БД
                            <input type="text" id="db_host" name="db_host" value="<?= htmlspecialchars($_POST['db_host'] ?? 'localhost') ?>" required>
                        </label>
                        
                        <label for="db_name">
                            Имя базы данных
                            <input type="text" id="db_name" name="db_name" value="<?= htmlspecialchars($_POST['db_name'] ?? 'writer_app') ?>" required>
                        </label>
                        
                        <label for="db_user">
                            Пользователь БД
                            <input type="text" id="db_user" name="db_user" value="<?= htmlspecialchars($_POST['db_user'] ?? '') ?>" required>
                        </label>
                        
                        <label for="db_pass">
                            Пароль БД
                            <input type="password" id="db_pass" name="db_pass" value="<?= htmlspecialchars($_POST['db_pass'] ?? '') ?>">
                        </label>
                        
                        <button type="submit" class="contrast" style="width: 100%;">Продолжить</button>
                    </form>

                <?php elseif ($step === '2'): ?>
                    <!-- Шаг 2: Создание администратора -->
                    <form method="post">
                        <h3>Создание администратора</h3>
                        <p>Создайте учетную запись администратора для управления приложением.</p>
                        
                        <label for="admin_username">
                            Имя пользователя *
                            <input type="text" id="admin_username" name="admin_username" value="<?= htmlspecialchars($_POST['admin_username'] ?? '') ?>" required>
                        </label>
                        
                        <label for="admin_password">
                            Пароль *
                            <input type="password" id="admin_password" name="admin_password" required>
                        </label>
                        
                        <label for="admin_display_name">
                            Отображаемое имя
                            <input type="text" id="admin_display_name" name="admin_display_name" value="<?= htmlspecialchars($_POST['admin_display_name'] ?? '') ?>">
                        </label>
                        
                        <label for="admin_email">
                            Email
                            <input type="email" id="admin_email" name="admin_email" value="<?= htmlspecialchars($_POST['admin_email'] ?? '') ?>">
                        </label>
                        
                        <div class="button-group">
                            <a href="install.php?step=1">Назад</a>
                            <button type="submit">Завершить установку</button>
                        </div>
                    </form>
                <?php endif; ?>
            <?php endif; ?>

            <?php if ($step === '1' && !$success): ?>
                <div style="margin-top: 2rem; padding: 1rem; background: #f8f9fa; border-radius: 5px;">
                    <h4>Перед установкой убедитесь, что:</h4>
                    <ul>
                        <li>Сервер MySQL запущен и доступен</li>
                        <li>У вас есть данные для подключения к БД (хост, пользователь, пароль)</li>
                        <li>Папка <code>config/</code> доступна для записи</li>
                        <li>Папка <code>uploads/</code> доступна для записи</li>
                    </ul>
                </div>
            <?php endif; ?>
        </div>
    </main>
</body>
</html>
// ./views/layouts/header.php
<?php
// views/layouts/header.php
?>
<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?= e($page_title ?? 'Web Writer') ?></title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@1.5.10/css/pico.min.css">
    <link rel="stylesheet" href="<?= SITE_URL ?>/assets/css/style.css">
    <link href="<?= SITE_URL ?>/assets/css/quill.snow.css" rel="stylesheet">
    <script src="<?= SITE_URL ?>/assets/js/quill.js"></script>
</head>
<body>
    <nav class="container-fluid">
        <ul>
            <li><strong><a href="<?= SITE_URL ?>/"><?= e(APP_NAME) ?></a></strong></li>
        </ul>
        <ul>
            <?php if (is_logged_in()): ?>
                <li><a href="<?= SITE_URL ?>/dashboard">📊 Панель управления</a></li>
                <li><a href="<?= SITE_URL ?>/books">📚 Мои книги</a></li>
                <li><a href="<?= SITE_URL ?>/series">📑 Серии</a></li>
                <li>
                    <details role="list" dir="rtl">
                        <summary aria-haspopup="listbox" role="link">
                            👤 <?= e($_SESSION['display_name']) ?>
                        </summary>
                        <ul role="listbox">
                            <li><a href="<?= SITE_URL ?>/profile">⚙️ Профиль</a></li>
                            <li><a href="<?= SITE_URL ?>/author/<?= $_SESSION['user_id'] ?>" target="_blank">👤 Моя публичная страница</a></li>
                            <?php if ($_SESSION['user_id'] == 1): // Проверка на администратора ?>
                                <li><a href="<?= SITE_URL ?>/admin/users">👥 Управление пользователями</a></li>
                            <?php endif; ?>
                            <li><a href="<?= SITE_URL ?>/logout">🚪 Выход</a></li>
                        </ul>
                    </details>
                </li>
            <?php else: ?>
                <li><a href="<?= SITE_URL ?>/login">🔑 Вход</a></li>
                <li><a href="<?= SITE_URL ?>/register">📝 Регистрация</a></li>
            <?php endif; ?>
        </ul>
    </nav>

    <main class="container">
        <?php if (isset($_SESSION['success'])): ?>
            <div class="alert alert-success">
                <?= e($_SESSION['success']) ?>
                <?php unset($_SESSION['success']); ?>
            </div>
        <?php endif; ?>

        <?php if (isset($_SESSION['error'])): ?>
            <div class="alert alert-error">
                <?= e($_SESSION['error']) ?>
                <?php unset($_SESSION['error']); ?>
            </div>
        <?php endif; ?>

        <?php if (isset($_SESSION['warning'])): ?>
            <div class="alert alert-warning">
                <?= e($_SESSION['warning']) ?>
                <?php unset($_SESSION['warning']); ?>
            </div>
        <?php endif; ?>

        <?php if (isset($_SESSION['info'])): ?>
            <div class="alert alert-info">
                <?= e($_SESSION['info']) ?>
                <?php unset($_SESSION['info']); ?>
            </div>
        <?php endif; ?>
// ./views/layouts/footer.php
<?php
// views/layouts/footer.php
?>
    </main>

    <footer class="container" style="margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--muted-border-color);">
        <small>
            &copy; <?= date('Y') ?> <?= e(APP_NAME) ?>. 
            <?php if (is_logged_in()): ?>
                <a href="<?= SITE_URL ?>/author/<?= $_SESSION['user_id'] ?>" target="_blank">Моя публичная страница</a>
            <?php endif; ?>
        </small>
    </footer>
    
    <script>
    // Глобальные функции JavaScript
    function confirmAction(message) {
        return confirm(message || 'Вы уверены?');
    }

    function copyToClipboard(text) {
        navigator.clipboard.writeText(text).then(function() {
            alert('Скопировано в буфер обмена');
        }, function(err) {
            console.error('Ошибка копирования: ', err);
        });
    }
    </script>
</body>
</html>
// ./views/dashboard/index.php
<?php
// views/dashboard/index.php
include 'views/layouts/header.php';
?>

<h1>Панель управления</h1>

<div class="grid" style="margin-bottom: 2rem;">
    <article style="text-align: center;">
        <h2>📚 Книги</h2>
        <div style="font-size: 2rem; font-weight: bold; color: var(--primary);">
            <?= $total_books ?>
        </div>
        <small>Всего книг</small>
    </article>
    
    <article style="text-align: center;">
        <h2>📑 Главы</h2>
        <div style="font-size: 2rem; font-weight: bold; color: var(--success);">
            <?= $total_chapters ?>
        </div>
        <small>Всего глав</small>
    </article>
    
    <article style="text-align: center;">
        <h2>📝 Слова</h2>
        <div style="font-size: 2rem; font-weight: bold; color: var(--warning);">
            <?= number_format($total_words) ?>
        </div>
        <small>Всего слов</small>
    </article>
    
    <article style="text-align: center;">
        <h2>🌐 Публикации</h2>
        <div style="font-size: 2rem; font-weight: bold; color: var(--info);">
            <?= $published_books_count ?>
        </div>
        <small>Опубликовано книг</small>
    </article>
</div>

<div class="grid">
    <div>
        <h2>Недавние книги</h2>
        <?php if (!empty($recent_books)): ?>
            <?php foreach ($recent_books as $book): ?>
                <article>
                    <h3 style="margin-bottom: 0.5rem;">
                        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/edit">
                            <?= e($book['title']) ?>
                        </a>
                    </h3>
                    <?php if ($book['genre']): ?>
                        <p style="margin: 0; color: var(--muted-color);"><em><?= e($book['genre']) ?></em></p>
                    <?php endif; ?>
                    <footer>
                        <small>
                            Глав: <?= $book['chapter_count'] ?? 0 ?> | 
                            Слов: <?= $book['total_words'] ?? 0 ?> |
                            Статус: <?= $book['published'] ? '✅ Опубликована' : '📝 Черновик' ?>
                        </small>
                    </footer>
                </article>
            <?php endforeach; ?>
            
            <?php if (count($recent_books) < count($books)): ?>
                <div style="text-align: center; margin-top: 1rem;">
                    <a href="<?= SITE_URL ?>/books" class="button">Все книги</a>
                </div>
            <?php endif; ?>
        <?php else: ?>
            <article>
                <p>У вас пока нет книг.</p>
                <a href="<?= SITE_URL ?>/books/create" class="button">Создать первую книгу</a>
            </article>
        <?php endif; ?>
    </div>
    
    <div>
        <h2>Мои серии</h2>
        <?php if (!empty($series)): ?>
            <?php foreach ($series as $ser): ?>
                <article>
                    <h3 style="margin-bottom: 0.5rem;">
                        <a href="<?= SITE_URL ?>/series/<?= $ser['id'] ?>/edit">
                            <?= e($ser['title']) ?>
                        </a>
                    </h3>
                    <?php if ($ser['description']): ?>
                        <p><?= e(mb_strimwidth($ser['description'], 0, 100, '...')) ?></p>
                    <?php endif; ?>
                    <footer>
                        <small>
                            Книг: <?= $ser['book_count'] ?> | 
                            Слов: <?= $ser['total_words'] ?>
                        </small>
                    </footer>
                </article>
            <?php endforeach; ?>
            
            <div style="text-align: center; margin-top: 1rem;">
                <a href="<?= SITE_URL ?>/series" class="button">Все серии</a>
            </div>
        <?php else: ?>
            <article>
                <p>У вас пока нет серий.</p>
                <a href="<?= SITE_URL ?>/series/create" class="button">Создать первую серию</a>
            </article>
        <?php endif; ?>
        
        <h2 style="margin-top: 2rem;">Быстрые действия</h2>
        <div class="button-group">
            <a href="<?= SITE_URL ?>/books/create" class="button">📖 Новая книга</a>
            <a href="<?= SITE_URL ?>/series/create" class="button secondary">📚 Новая серия</a>
        </div>
    </div>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/auth/login.php
<?php
// views/auth/login.php
include 'views/layouts/header.php';
?>

<div class="container">
    <h1>Вход в систему</h1>

    <?php if (isset($error) && $error): ?>
        <div class="alert alert-error">
            <?= e($error) ?>
        </div>
    <?php endif; ?>

    <form method="post" style="max-width: 400px; margin: 0 auto;">
        <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
        
        <div style="margin-bottom: 1rem;">
            <label for="username" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Имя пользователя
            </label>
            <input type="text" id="username" name="username" 
                   value="<?= e($_POST['username'] ?? '') ?>" 
                   placeholder="Введите имя пользователя" 
                   style="width: 100%;" 
                   required>
        </div>

        <div style="margin-bottom: 1.5rem;">
            <label for="password" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Пароль
            </label>
            <input type="password" id="password" name="password" 
                   placeholder="Введите пароль" 
                   style="width: 100%;" 
                   required>
        </div>

        <button type="submit" class="contrast" style="width: 100%;">
            🔑 Войти
        </button>
    </form>

    <div style="text-align: center; margin-top: 1rem;">
        <p>Нет аккаунта? <a href="<?= SITE_URL ?>/register">Зарегистрируйтесь здесь</a></p>
    </div>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/auth/register.php
<?php
// views/auth/register.php
include 'views/layouts/header.php';
?>

<div class="container">
    <h1>Регистрация</h1>

    <?php if (isset($error) && $error): ?>
        <div class="alert alert-error">
            <?= e($error) ?>
        </div>
    <?php endif; ?>

    <?php if (isset($success) && $success): ?>
        <div class="alert alert-success">
            <?= e($success) ?>
        </div>
    <?php endif; ?>

    <form method="post" style="max-width: 400px; margin: 0 auto;">
        <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
        
        <div style="margin-bottom: 1rem;">
            <label for="username" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Имя пользователя *
            </label>
            <input type="text" id="username" name="username" 
                   value="<?= e($_POST['username'] ?? '') ?>" 
                   placeholder="Введите имя пользователя" 
                   style="width: 100%;" 
                   required>
        </div>

        <div style="margin-bottom: 1rem;">
            <label for="display_name" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Отображаемое имя
            </label>
            <input type="text" id="display_name" name="display_name" 
                   value="<?= e($_POST['display_name'] ?? '') ?>" 
                   placeholder="Как вас будут видеть другие" 
                   style="width: 100%;">
        </div>

        <div style="margin-bottom: 1rem;">
            <label for="email" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Email
            </label>
            <input type="email" id="email" name="email" 
                   value="<?= e($_POST['email'] ?? '') ?>" 
                   placeholder="email@example.com" 
                   style="width: 100%;">
        </div>

        <div style="margin-bottom: 1rem;">
            <label for="password" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Пароль *
            </label>
            <input type="password" id="password" name="password" 
                   placeholder="Не менее 6 символов" 
                   style="width: 100%;" 
                   required>
        </div>

        <div style="margin-bottom: 1.5rem;">
            <label for="password_confirm" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Подтверждение пароля *
            </label>
            <input type="password" id="password_confirm" name="password_confirm" 
                   placeholder="Повторите пароль" 
                   style="width: 100%;" 
                   required>
        </div>

        <button type="submit" class="contrast" style="width: 100%;">
            📝 Зарегистрироваться
        </button>
    </form>

    <div style="text-align: center; margin-top: 1rem;">
        <p>Уже есть аккаунт? <a href="<?= SITE_URL ?>/login">Войдите здесь</a></p>
    </div>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/chapters/preview.php
<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?= e($page_title) ?></title>
    <link rel="stylesheet" href="<?= SITE_URL ?>/assets/css/pico.min.css">
    <link rel="stylesheet" href="<?= SITE_URL ?>/assets/css/style.css">
    <style>
        body {
            padding: 20px;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        .content {
            margin-top: 2rem;
        }
        h1, h2, h3, h4, h5, h6 {
            margin-top: 1.5em;
            margin-bottom: 0.5em;
        }
        h1 { border-bottom: 2px solid var(--primary); padding-bottom: 0.3em; }
        h2 { border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
        p {
            margin-bottom: 1em;
            text-align: justify;
        }
        code {
            background: var(--card-background-color);
            padding: 2px 4px;
            border-radius: 3px;
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
        }
        pre {
            background: var(--card-background-color);
            padding: 1rem;
            border-radius: 5px;
            overflow-x: auto;
            border-left: 4px solid var(--primary);
        }
        pre code {
            background: none;
            padding: 0;
            display: block;
        }
        blockquote {
            border-left: 4px solid var(--border-color);
            padding-left: 1rem;
            margin-left: 0;
            color: var(--muted-color);
            font-style: italic;
        }
        strong { font-weight: bold; }
        em { font-style: italic; }
        u { text-decoration: underline; }
        del { text-decoration: line-through; }
        .dialogue {
            margin-left: 2rem;
            font-style: italic;
            color: #2c5aa0;
        }
        table {
            border-collapse: collapse;
            width: 100%;
            margin: 1rem 0;
        }
        table, th, td {
            border: 1px solid var(--border-color);
        }
        th, td {
            padding: 8px 12px;
            text-align: left;
        }
        th {
            background: var(--card-background-color);
        }
        ul, ol {
            margin-bottom: 1rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        img {
            max-width: 100%;
            height: auto;
        }
    </style>
</head>
<body>
    <header>
        <h1><?= e($title) ?></h1>
        <hr>
    </header>
    <main class="content">
        <?= $content ?>
    </main>
    <footer style="margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--border-color);">
        <small>Сгенерировано <?= date('d.m.Y H:i') ?> | Предпросмотр</small>
        <br>
        <a href="javascript:window.close()" class="button secondary">Закрыть</a>
        <a href="javascript:window.print()" class="button">Печать</a>
    </footer>
</body>
</html>
// ./views/chapters/index.php
<?php
// views/chapters/index.php
include 'views/layouts/header.php';
?>

<div style="margin-bottom: 1rem;">
    <h1 style="margin: 0 0 0.5rem 0; font-size: 1.5rem;">Главы книги: <?= e($book['title']) ?></h1>
    <div style="display: flex; gap: 5px; flex-wrap: wrap;">
        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters/create" class="adaptive-button" role="button">➕ Новая глава</a>
        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/edit" class="adaptive-button secondary" role="button">✏️ Редактировать книгу</a>
        <a href="<?= SITE_URL ?>/book/<?= $book['share_token'] ?>" class="adaptive-button green-btn" role="button" target="_blank">👁️ Публичный доступ</a>
        <a href="<?= SITE_URL ?>/book/all/<?= $book['id'] ?>" class="adaptive-button secondary" role="button" target="_blank">👁️ Полный обзор</a>
        <a href="<?= SITE_URL ?>/books" class="adaptive-button secondary">📚 Все книги</a>
    </div>
</div>

<?php if (empty($chapters)): ?>
    <div style="text-align: center; padding: 2rem; background: var(--card-background-color); border-radius: 5px; margin-top: 1rem;">
        <h3>В этой книге пока нет глав</h3>
        <p>Создайте первую главу для вашей книги</p>
        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters/create" class="adaptive-button">📝 Создать первую главу</a>
    </div>
<?php else: ?>
    <div style="overflow-x: auto; margin-top: 1rem;">
        <table class="compact-table">
            <thead>
                <tr>
                    <th style="width: 5%;">№</th>
                    <th style="width: 40%;">Название главы</th>
                    <th style="width: 15%;">Статус</th>
                    <th style="width: 10%;">Слов</th>
                    <th style="width: 20%;">Обновлено</th>
                    <th style="width: 10%;">Действия</th>
                </tr>
            </thead>
            <tbody>
                <?php foreach ($chapters as $index => $chapter): ?>
                <tr>
                    <td><?= $index + 1 ?></td>
                    <td>
                        <strong><?= e($chapter['title']) ?></strong>
                        <?php if ($chapter['description']): ?>
                            <br><small style="color: var(--muted-color);"><?= e(mb_strimwidth($chapter['description'], 0, 100, '...')) ?></small>
                        <?php endif; ?>
                    </td>
                    <td>
                        <span style="color: <?= $chapter['status'] == 'published' ? 'green' : 'orange' ?>">
                            <?= $chapter['status'] == 'published' ? '✅ Опубликована' : '📝 Черновик' ?>
                        </span>
                    </td>
                    <td><?= $chapter['word_count'] ?></td>
                    <td>
                        <small><?= date('d.m.Y H:i', strtotime($chapter['updated_at'])) ?></small>
                    </td>
                    <td>
                        <div style="display: flex; gap: 3px; flex-wrap: wrap;">
                            <a href="<?= SITE_URL ?>/chapters/<?= $chapter['id'] ?>/edit" class="compact-button secondary" title="Редактировать">
                                ✏️
                            </a>
                            <form method="post" action="<?= SITE_URL ?>/chapters/<?= $chapter['id'] ?>/delete" style="display: inline;" onsubmit="return confirm('Вы уверены, что хотите удалить эту главу? Это действие нельзя отменить.');">
                                <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                                <button type="submit" class="compact-button secondary" style="background: #ff4444; border-color: #ff4444; color: white;" title="Удалить">
                                    🗑️
                                </button>
                            </form>
                        </div>
                    </td>
                </tr>
                <?php endforeach; ?>
            </tbody>
        </table>
    </div>

    <div style="margin-top: 1rem; padding: 0.5rem; background: var(--card-background-color); border-radius: 3px;">
        <strong>Статистика:</strong> 
        Всего глав: <?= count($chapters) ?> | 
        Всего слов: <?= array_sum(array_column($chapters, 'word_count')) ?> |
        Опубликовано: <?= count(array_filter($chapters, function($ch) { return $ch['status'] == 'published'; })) ?>
    </div>
<?php endif; ?>

<?php include 'views/layouts/footer.php'; ?>
// ./views/chapters/create.php
<?php
// views/chapters/create.php
include 'views/layouts/header.php';
?>

<h1>Новая глава для: <?= e($book['title']) ?></h1>

<?php if (isset($error) && $error): ?>
    <div class="alert alert-error">
        <?= e($error) ?>
    </div>
<?php endif; ?>

<form method="post" id="chapter-form">
    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
    
    <div style="margin-bottom: 1rem;">
        <label for="title" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Название главы *
        </label>
        <input type="text" id="title" name="title" 
               value="<?= e($_POST['title'] ?? '') ?>" 
               placeholder="Введите название главы" 
               style="width: 100%; margin-bottom: 1.5rem;" 
               required>
        
        <label for="content" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Содержание главы *
        </label>
            <textarea id="content" name="content" class="writer-editor" style="display: none;">
                <?= e($_POST['content'] ?? '') ?>
            </textarea>
        
        <div style="margin-top: 1rem;">
            <label for="status" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Статус главы
            </label>
            <select id="status" name="status" style="width: 100%;">
                <option value="draft" <?= (($_POST['status'] ?? 'draft') == 'draft') ? 'selected' : '' ?>>📝 Черновик</option>
                <option value="published" <?= (($_POST['status'] ?? '') == 'published') ? 'selected' : '' ?>>✅ Опубликована</option>
            </select>
            <small style="color: var(--muted-color);">
                Опубликованные главы видны в публичном доступе
            </small>
        </div>
    </div>
    
    <div style="display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem;">
        <button type="submit" class="contrast">
            💾 Сохранить главу
        </button>
        
        <button type="button" onclick="previewChapter()" class="secondary">
            👁️ Предпросмотр
        </button>
        
        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters" role="button" class="secondary">
            ❌ Отмена
        </a>
    </div>
</form>
<link href="/assets/css/quill_reset.css" rel="stylesheet">
<script>
function previewChapter() {
    const form = document.getElementById('chapter-form');
    const formData = new FormData(form);
    
    // Создаем временную форму для предпросмотра
    const tempForm = document.createElement('form');
    tempForm.method = 'POST';
    tempForm.action = '<?= SITE_URL ?>/chapters/preview';
    tempForm.target = '_blank';
    tempForm.style.display = 'none';
    
    // Добавляем CSRF токен
    const csrfInput = document.createElement('input');
    csrfInput.name = 'csrf_token';
    csrfInput.value = '<?= generate_csrf_token() ?>';
    tempForm.appendChild(csrfInput);
    
    // Добавляем контент
    const contentInput = document.createElement('input');
    contentInput.name = 'content';
    contentInput.value = document.getElementById('content').value;
    tempForm.appendChild(contentInput);
    
    // Добавляем заголовок
    const titleInput = document.createElement('input');
    titleInput.name = 'title';
    titleInput.value = document.getElementById('title').value || 'Предпросмотр главы';
    tempForm.appendChild(titleInput);
    
    // Добавляем тип редактора
    const editorTypeInput = document.createElement('input');
    editorTypeInput.name = 'editor_type';
    editorTypeInput.value = '<?= $book['editor_type'] ?? 'markdown' ?>';
    tempForm.appendChild(editorTypeInput);
    
    document.body.appendChild(tempForm);
    tempForm.submit();
    document.body.removeChild(tempForm);
}
</script>
<script src="/assets/js/editor.js"></script>
<script src="/assets/js/autosave.js"></script>
<?php include 'views/layouts/footer.php'; ?>
// ./views/chapters/edit.php
<?php
// views/chapters/edit.php
include 'views/layouts/header.php';
?>

<h1>Редактирование главы: <?= e($chapter['title']) ?></h1>

<?php if (isset($error) && $error): ?>
    <div class="alert alert-error">
        <?= e($error) ?>
    </div>
<?php endif; ?>

<form method="post" id="chapter-form">
    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
    
    <div style="margin-bottom: 1rem;">
        <label for="title" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Название главы *
        </label>
        <input type="text" id="title" name="title" 
               value="<?= e($chapter['title']) ?>" 
               placeholder="Введите название главы" 
               style="width: 100%; margin-bottom: 1.5rem;" 
               required>
        
        <label for="content" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Содержание главы *
        </label>
        <textarea id="content" name="content" class="writer-editor" style="display: none;">
            <?= e($chapter['content'] ?? '') ?>
        </textarea>
            
        
        <div style="margin-top: 1rem;">
            <label for="status" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Статус главы
            </label>
            <select id="status" name="status" style="width: 100%;">
                <option value="draft" <?= ($chapter['status'] == 'draft') ? 'selected' : '' ?>>📝 Черновик</option>
                <option value="published" <?= ($chapter['status'] == 'published') ? 'selected' : '' ?>>✅ Опубликована</option>
            </select>
            <small style="color: var(--muted-color);">
                Опубликованные главы видны в публичном доступе
            </small>
        </div>
    </div>
    
    <div style="display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem;">
        <button type="submit" class="contrast">
            💾 Сохранить изменения
        </button>
        
        <button type="button" onclick="previewChapter()" class="secondary">
            👁️ Предпросмотр
        </button>
        
        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters" role="button" class="secondary">
            ❌ Отмена
        </a>
    </div>
</form>

<div style="margin-top: 2rem; padding: 1rem; background: var(--card-background-color); border-radius: 5px;">
    <h3>Информация о главе</h3>
    <p><strong>Книга:</strong> <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/edit"><?= e($book['title']) ?></a></p>
    <p><strong>Количество слов:</strong> <?= $chapter['word_count'] ?></p>
    <p><strong>Создана:</strong> <?= date('d.m.Y H:i', strtotime($chapter['created_at'])) ?></p>
    <p><strong>Обновлена:</strong> <?= date('d.m.Y H:i', strtotime($chapter['updated_at'])) ?></p>
</div>
<link href="/assets/css/quill_reset.css" rel="stylesheet">
<script>
function previewChapter() {
    const form = document.getElementById('chapter-form');
    const formData = new FormData(form);
    
    const tempForm = document.createElement('form');
    tempForm.method = 'POST';
    tempForm.action = '<?= SITE_URL ?>/chapters/preview';
    tempForm.target = '_blank';
    tempForm.style.display = 'none';
    
    const csrfInput = document.createElement('input');
    csrfInput.name = 'csrf_token';
    csrfInput.value = '<?= generate_csrf_token() ?>';
    tempForm.appendChild(csrfInput);
    
    const contentInput = document.createElement('input');
    contentInput.name = 'content';
    contentInput.value = document.getElementById('content').value;
    tempForm.appendChild(contentInput);
    
    const titleInput = document.createElement('input');
    titleInput.name = 'title';
    titleInput.value = document.getElementById('title').value || 'Предпросмотр главы';
    tempForm.appendChild(titleInput);
    
    const editorTypeInput = document.createElement('input');
    editorTypeInput.name = 'editor_type';
    editorTypeInput.value = '<?= $book['editor_type'] ?? 'markdown' ?>';
    tempForm.appendChild(editorTypeInput);
    
    document.body.appendChild(tempForm);
    tempForm.submit();
    document.body.removeChild(tempForm);
}
</script>
<script src="/assets/js/editor.js"></script>
<script src="/assets/js/autosave.js"></script>
<?php include 'views/layouts/footer.php'; ?>
// ./views/series/index.php
<?php
include 'views/layouts/header.php';
?>

<div style="display: flex; justify-content: between; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem;">
    <h1 style="margin: 0;">Мои серии книг</h1>
    <a href="/series/create" class="action-button primary">➕ Создать серию</a>
</div>

<?php if (empty($series)): ?>
    <article class="series-empty-state">
        <div class="series-empty-icon">📚</div>
        <h2>Пока нет серий</h2>
        <p style="color: #666; margin-bottom: 2rem;">
            Создайте свою первую серию, чтобы организовать книги в циклы и сериалы.
        </p>
        <div style="display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;">
            <a href="/series/create" class="action-button primary">Создать серию</a>
            <a href="/books" class="action-button secondary">Перейти к книгам</a>
        </div>
    </article>
<?php else: ?>
    <div class="series-grid">
        <?php foreach ($series as $ser): ?>
            <article class="series-card">
                <div class="series-header">
                    <h3 class="series-title">
                        <a href="/series/<?= $ser['id'] ?>/edit"><?= e($ser['title']) ?></a>
                    </h3>
                    <div class="series-meta">
                        Создана <?= date('d.m.Y', strtotime($ser['created_at'])) ?>
                        <?php if ($ser['updated_at'] != $ser['created_at']): ?>
                            • Обновлена <?= date('d.m.Y', strtotime($ser['updated_at'])) ?>
                        <?php endif; ?>
                    </div>
                </div>

                <?php if (!empty($ser['description'])): ?>
                    <div class="series-description">
                        <?= e($ser['description']) ?>
                    </div>
                <?php endif; ?>

                <div class="series-stats-grid">
                    <div class="series-stat">
                        <span class="series-stat-number"><?= $ser['book_count'] ?? 0 ?></span>
                        <span class="series-stat-label">книг</span>
                    </div>
                    <div class="series-stat">
                        <span class="series-stat-number"><?= number_format($ser['total_words'] ?? 0) ?></span>
                        <span class="series-stat-label">слов</span>
                    </div>
                    <div class="series-stat">
                        <span class="series-stat-number">
                            <?php
                            $avg_words = $ser['book_count'] > 0 ? round($ser['total_words'] / $ser['book_count']) : 0;
                            echo number_format($avg_words);
                            ?>
                        </span>
                        <span class="series-stat-label">слов/книга</span>
                    </div>
                </div>

                <div class="series-actions" style="display:grid;">
                    <a href="/series/<?= $ser['id'] ?>/edit" class="compact-button primary-btn" role="button">
                        ✏️ Управление
                    </a>
                    <a href="/series/<?= $ser['id'] ?>/view" class="compact-button secondary-btn" target="_blank" role="button">
                        👁️ Публично
                    </a>
                    <form method="post" action="/series/<?= $ser['id'] ?>/delete" 
                          onsubmit="return confirm('Удалить серию? Книги останутся, но будут удалены из серии.')">
                        <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                        <button type="submit" class="compact-button red-btn">🗑️</button>
                    </form>
                </div>
            </article>
        <?php endforeach; ?>
    </div>
<?php endif; ?>

<?php
include 'views/layouts/footer.php';
?>
// ./views/series/create.php
<?php
// views/series/create.php
include 'views/layouts/header.php';
?>

<h1>Создание новой серии</h1>

<?php if (isset($error) && $error): ?>
    <div class="alert alert-error">
        <?= e($error) ?>
    </div>
<?php endif; ?>

<form method="post">
    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
    
    <div style="max-width: 100%; margin-bottom: 1rem;">
        <label for="title" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Название серии *
        </label>
        <input type="text" id="title" name="title" 
               value="<?= e($_POST['title'] ?? '') ?>" 
               placeholder="Введите название серии" 
               style="width: 100%; margin-bottom: 1.5rem;" 
               required>
        
        <label for="description" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Описание серии
        </label>
        <textarea id="description" name="description" 
                  placeholder="Описание сюжета серии, общая концепция..." 
                  rows="6"
                  style="width: 100%;"><?= e($_POST['description'] ?? '') ?></textarea>
    </div>
    
    <div style="display: flex; gap: 10px; flex-wrap: wrap;">
        <button type="submit" class="contrast">
            📚 Создать серию
        </button>
        
        <a href="<?= SITE_URL ?>/series" role="button" class="secondary">
            ❌ Отмена
        </a>
    </div>
</form>

<div style="margin-top: 2rem; padding: 1rem; background: var(--card-background-color); border-radius: 5px;">
    <h3>Что такое серия?</h3>
    <p>Серия позволяет объединить несколько книг в одну тематическую коллекцию. Это полезно для:</p>
    <ul>
        <li>Циклов книг с общим сюжетом</li>
        <li>Книг в одном мире или вселенной</li>
        <li>Организации книг по темам или жанрам</li>
    </ul>
    <p>Вы сможете добавить книги в серию после её создания.</p>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/series/edit.php
<?php
include 'views/layouts/header.php';
?>

<h1>Редактирование серии: <?= e($series['title']) ?></h1>

<div class="grid">
    <div>
        <article>
            <h2>Основная информация</h2>
            <form method="post" action="/series/<?= $series['id'] ?>/edit">
                <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                
                <label for="title">
                    Название серии *
                    <input type="text" id="title" name="title" value="<?= e($series['title']) ?>" required>
                </label>
                
                <label for="description">
                    Описание серии
                    <textarea id="description" name="description" rows="4"><?= e($series['description'] ?? '') ?></textarea>
                </label>
                
                <button type="submit" class="primary-btn">Сохранить изменения</button>
            </form>
        </article>

        <article>
            <h2>Добавить книгу в серию</h2>
            <?php 
            $available_books = $bookModel->getBooksNotInSeries($_SESSION['user_id'], $series['id']);
            ?>
            
            <?php if (!empty($available_books)): ?>
                <form method="post" action="/series/<?= $series['id'] ?>/add-book">
                    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                    
                    <label for="book_id">
                        Выберите книгу
                        <select id="book_id" name="book_id" required>
                            <option value="">-- Выберите книгу --</option>
                            <?php foreach ($available_books as $book): ?>
                                <option value="<?= $book['id'] ?>"><?= e($book['title']) ?></option>
                            <?php endforeach; ?>
                        </select>
                    </label>
                    
                    <label for="sort_order">
                        Порядковый номер в серии
                        <input type="number" id="sort_order" name="sort_order" value="<?= count($books_in_series) + 1 ?>" min="1">
                    </label>
                    
                    <button type="submit" class="secondary-btn">Добавить в серию</button>
                </form>
            <?php else: ?>
                <p>Все ваши книги уже добавлены в эту серию или у вас нет доступных книг.</p>
                <a href="/books/create" class="primary-btn">Создать новую книгу</a>
            <?php endif; ?>
        </article>
    </div>
    
    <div>
        <article>
            <h2>Книги в серии (<?= count($books_in_series) ?>)</h2>
            
            <?php if (!empty($books_in_series)): ?>
                <div id="series-books-list">
                    <form id="reorder-form" method="post" action="/series/<?= $series['id'] ?>/update-order">
                        <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                        
                        <div class="books-list">
                            <?php foreach ($books_in_series as $index => $book): ?>
                                <div class="book-item" data-book-id="<?= $book['id'] ?>">
                                    <div class="book-drag-handle" style="cursor: move;">☰</div>
                                    <div class="book-info">
                                        <strong><?= e($book['title']) ?></strong>
                                        <small>Порядок: <?= $book['sort_order_in_series'] ?></small>
                                    </div>
                                    <div class="book-actions">
                                        <a href="/books/<?= $book['id'] ?>/edit" class="compact-button">Редактировать</a>
                                        <form method="post" action="/series/<?= $series['id'] ?>/remove-book/<?= $book['id'] ?>" 
                                              style="display: inline;" onsubmit="return confirm('Удалить книгу из серии?')">
                                            <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                                            <button type="submit" class="compact-button delete-btn">Удалить</button>
                                        </form>
                                    </div>
                                    <input type="hidden" name="order[]" value="<?= $book['id'] ?>">
                                </div>
                            <?php endforeach; ?>
                        </div>
                        
                        <button type="submit" class="secondary-btn" id="save-order-btn" style="display: none;">
                            Сохранить порядок
                        </button>
                    </form>
                </div>
            <?php else: ?>
                <p>В этой серии пока нет книг. Добавьте книги с помощью формы слева.</p>
            <?php endif; ?>
        </article>

        <article>
            <h2>Статистика серии</h2>
            <div class="stats-list">
                <p><strong>Количество книг:</strong> <?= count($books_in_series) ?></p>
                <?php
                $total_words = 0;
                $total_chapters = 0;
                foreach ($books_in_series as $book) {
                    $stats = $bookModel->getBookStats($book['id']);
                    $total_words += $stats['total_words'] ?? 0;
                    $total_chapters += $stats['chapter_count'] ?? 0;
                }
                ?>
                <p><strong>Всего глав:</strong> <?= $total_chapters ?></p>
                <p><strong>Всего слов:</strong> <?= $total_words ?></p>
            </div>
        </article>
    </div>
</div>

<style>
.books-list {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.book-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #f0f0f0;
    background: white;
    transition: background-color 0.2s ease;
}

.book-item:last-child {
    border-bottom: none;
}

.book-item:hover {
    background: #f8f9fa;
}

.book-item.sortable-ghost {
    opacity: 0.4;
}

.book-item.sortable-chosen {
    background: #e3f2fd;
}

.book-drag-handle {
    padding: 0 10px;
    color: #666;
    font-size: 1.2rem;
}

.book-info {
    flex: 1;
    padding: 0 10px;
}

.book-info strong {
    display: block;
    margin-bottom: 2px;
}

.book-info small {
    color: #666;
    font-size: 0.8rem;
}

.book-actions {
    display: flex;
    gap: 5px;
}
</style>

<script src="https://cdnjs.cloudflare.com/ajax/libs/Sortable/1.15.0/Sortable.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    const booksList = document.querySelector('.books-list');
    const saveOrderBtn = document.getElementById('save-order-btn');
    
    if (booksList) {
        const sortable = new Sortable(booksList, {
            handle: '.book-drag-handle',
            ghostClass: 'sortable-ghost',
            chosenClass: 'sortable-chosen',
            animation: 150,
            onUpdate: function() {
                saveOrderBtn.style.display = 'block';
            }
        });
    }
    
    // Автосохранение порядка через 2 секунды после изменения
    let saveTimeout;
    saveOrderBtn.addEventListener('click', function(e) {
        e.preventDefault();
        clearTimeout(saveTimeout);
        document.getElementById('reorder-form').submit();
    });
    
    // Автоматическое сохранение при изменении порядка
    booksList.addEventListener('sortupdate', function() {
        clearTimeout(saveTimeout);
        saveTimeout = setTimeout(() => {
            document.getElementById('reorder-form').submit();
        }, 2000);
    });
});
</script>

<?php
include 'views/layouts/footer.php';
?>
// ./views/series/view_public.php
<?php
// views/series/view_public.php
include 'views/layouts/header.php';
?>

<div class="container">
    <article style="max-width: 800px; margin: 0 auto;">
        <header style="text-align: center; margin-bottom: 2rem; border-bottom: 2px solid var(--muted-border-color); padding-bottom: 1rem;">
            <h1 style="margin-bottom: 0.5rem;"><?= e($series['title']) ?></h1>
            <p style="color: var(--muted-color); font-style: italic; margin-bottom: 0.5rem;">
                Серия книг от 
                <a href="<?= SITE_URL ?>/author/<?= $author['id'] ?>"><?= e($author['display_name'] ?: $author['username']) ?></a>
            </p>
            
            <?php if ($series['description']): ?>
                <div style="background: var(--card-background-color); padding: 1rem; border-radius: 5px; margin: 1rem 0; text-align: left;">
                    <?= e($series['description']) ?>
                </div>
            <?php endif; ?>
            
            <div style="display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; font-size: 0.9em; color: var(--muted-color);">
                <span>Книг: <?= count($books) ?></span>
                <span>Глав: <?= $total_chapters ?></span>
                <span>Слов: <?= $total_words ?></span>
            </div>
        </header>

        <?php if (empty($books)): ?>
            <div style="text-align: center; padding: 3rem; background: var(--card-background-color); border-radius: 5px;">
                <h3>В этой серии пока нет опубликованных книг</h3>
                <p>Автор еще не опубликовал книги из этой серии</p>
            </div>
        <?php else: ?>
            <div class="series-books">
                <h2 style="text-align: center; margin-bottom: 2rem;">Книги серии</h2>
                
                <?php foreach ($books as $book): ?>
                <article style="display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 2rem; padding: 1rem; background: var(--card-background-color); border-radius: 8px;">
                    <?php if ($book['cover_image']): ?>
                        <div style="flex-shrink: 0;">
                            <img src="<?= COVERS_URL . e($book['cover_image']) ?>" 
                                 alt="<?= e($book['title']) ?>" 
                                 style="max-width: 120px; height: auto; border-radius: 4px; border: 1px solid var(--border-color);"
                                 onerror="this.style.display='none'">
                        </div>
                    <?php else: ?>
                        <div style="flex-shrink: 0;">
                            <div class="cover-placeholder" style="width: 120px; height: 160px; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: white; font-size: 2rem;">
                                📚
                            </div>
                        </div>
                    <?php endif; ?>
                    
                    <div style="flex: 1;">
                        <h3 style="margin-top: 0;">
                            <?php if ($book['sort_order_in_series']): ?>
                                <small style="color: var(--muted-color);">Книга <?= $book['sort_order_in_series'] ?></small><br>
                            <?php endif; ?>
                            <?= e($book['title']) ?>
                        </h3>
                        
                        <?php if ($book['genre']): ?>
                            <p style="color: var(--muted-color); margin: 0.5rem 0;"><em><?= e($book['genre']) ?></em></p>
                        <?php endif; ?>
                        
                        <?php if ($book['description']): ?>
                            <p style="margin-bottom: 1rem;"><?= nl2br(e($book['description'])) ?></p>
                        <?php endif; ?>
                        
                        <div style="display: flex; gap: 10px; flex-wrap: wrap; align-items: center;">
                            <a href="<?= SITE_URL ?>/book/<?= e($book['share_token']) ?>" class="adaptive-button">
                                Читать
                            </a>
                            
                            <?php
                            $bookModel = new Book($pdo);
                            $book_stats = $bookModel->getBookStats($book['id'], true);
                            ?>
                            
                            <small style="color: var(--muted-color);">
                                Глав: <?= $book_stats['chapter_count'] ?? 0 ?> | Слов: <?= $book_stats['total_words'] ?? 0 ?>
                            </small>
                        </div>
                    </div>
                </article>
                <?php endforeach; ?>
            </div>
        <?php endif; ?>

        <footer style="margin-top: 3rem; padding-top: 1rem; border-top: 2px solid var(--muted-border-color); text-align: center;">
            <p style="color: var(--muted-color);">
                Серия создана в <?= e(APP_NAME) ?> • 
                Автор: <a href="<?= SITE_URL ?>/author/<?= $author['id'] ?>"><?= e($author['display_name'] ?: $author['username']) ?></a>
            </p>
        </footer>
    </article>
</div>

<style>
.series-books article {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
}

.series-books article:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .series-books article {
        flex-direction: column;
        text-align: center;
    }
    
    .series-books .book-cover {
        align-self: center;
    }
}
</style>

<?php include 'views/layouts/footer.php'; ?>
// ./views/errors/404.php
<?php
// views/errors/404.php
include 'views/layouts/header.php';
?>

<div class="container" style="text-align: center; padding: 4rem 1rem;">
    <h1>404 - Страница не найдена</h1>
    <p style="font-size: 1.2rem; margin-bottom: 2rem;">
        Запрашиваемая страница не существует или была перемещена.
    </p>
    <div style="display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;">
        <a href="<?= SITE_URL ?>/" class="button">🏠 На главную</a>
        <a href="<?= SITE_URL ?>/books" class="button secondary">📚 К книгам</a>
        <?php if (!is_logged_in()): ?>
            <a href="<?= SITE_URL ?>/login" class="button secondary">🔑 Войти</a>
        <?php endif; ?>
    </div>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/admin/add_user.php
<?php include 'views/layouts/header.php'; ?>

<div class="container">
    <h1>Добавление пользователя</h1>
    
    <?php if (isset($error) && $error): ?>
        <div class="alert alert-error">
            <?= e($error) ?>
        </div>
    <?php endif; ?>
    
    <?php if (isset($success) && $success): ?>
        <div class="alert alert-success">
            <?= e($success) ?>
        </div>
    <?php endif; ?>
    
    <form method="post" style="max-width: 500px; margin: 0 auto;">
        <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
        <div style="margin-bottom: 1rem;">
            <label for="username" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Имя пользователя *
            </label>
            <input type="text" id="username" name="username" 
                   value="<?= e($_POST['username'] ?? '') ?>" 
                   placeholder="Введите имя пользователя" 
                   style="width: 100%;" 
                   required
                   pattern="[a-zA-Z0-9_]+"
                   title="Только латинские буквы, цифры и символ подчеркивания">
        </div>
        <div style="margin-bottom: 1rem;">
            <label for="display_name" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Отображаемое имя
            </label>
            <input type="text" id="display_name" name="display_name" 
                   value="<?= e($_POST['display_name'] ?? '') ?>" 
                   placeholder="Введите отображаемое имя" 
                   style="width: 100%;">
        </div>
        <div style="margin-bottom: 1rem;">
            <label for="email" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Email
            </label>
            <input type="email" id="email" name="email" 
                   value="<?= e($_POST['email'] ?? '') ?>" 
                   placeholder="Введите email" 
                   style="width: 100%;">
        </div>
        <div style="margin-bottom: 1rem;">
            <label for="password" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Пароль *
            </label>
            <input type="password" id="password" name="password" 
                   placeholder="Введите пароль (минимум 6 символов)" 
                   style="width: 100%;" 
                   required
                   minlength="6">
        </div>
        <div style="margin-bottom: 1rem;">
            <label for="password_confirm" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Подтверждение пароля *
            </label>
            <input type="password" id="password_confirm" name="password_confirm" 
                   placeholder="Повторите пароль" 
                   style="width: 100%;" 
                   required
                   minlength="6">
        </div>
        <div style="margin-bottom: 1.5rem;">
            <label for="is_active">
                <input type="checkbox" id="is_active" name="is_active" value="1"
                <?= isset($_POST['is_active']) ? 'checked' : 'checked' ?>>
                Активировать пользователя сразу
            </label>
        </div>
        <div style="display: flex; gap: 10px;">
            <button type="submit" class="contrast" style="flex: 1;">
                👥 Добавить пользователя
            </button>
            <a href="<?= SITE_URL ?>/admin/users" class="secondary" style="display: flex; align-items: center; justify-content: center; padding: 0.75rem; text-decoration: none;">
                ❌ Отмена
            </a>
        </div>
    </form>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/admin/users.php
<?php include 'views/layouts/header.php'; ?>

<div class="container">
    <h1>Управление пользователями</h1>
    
    <?php if (isset($_SESSION['success'])): ?>
        <div class="alert alert-success">
            <?= e($_SESSION['success']) ?>
            <?php unset($_SESSION['success']); ?>
        </div>
    <?php endif; ?>
    
    <?php if (isset($_SESSION['error'])): ?>
        <div class="alert alert-error">
            <?= e($_SESSION['error']) ?>
            <?php unset($_SESSION['error']); ?>
        </div>
    <?php endif; ?>
    
    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem;">
        <h2 style="margin: 0;">Всего пользователей: <?= count($users) ?></h2>
        <a href="<?= SITE_URL ?>/admin/add-user" class="action-button primary">➕ Добавить пользователя</a>
    </div>
    
    <?php if (empty($users)): ?>
        <article style="text-align: center; padding: 2rem;">
            <h3>Пользователи не найдены</h3>
            <p>Зарегистрируйте первого пользователя</p>
            <a href="<?= SITE_URL ?>/admin/add-user" role="button">📝 Добавить пользователя</a>
        </article>
    <?php else: ?>
        <div style="overflow-x: auto;">
            <table class="compact-table">
                <thead>
                    <tr>
                        <th style="width: 5%;">ID</th>
                        <th style="width: 15%;">Имя пользователя</th>
                        <th style="width: 20%;">Отображаемое имя</th>
                        <th style="width: 20%;">Email</th>
                        <th style="width: 15%;">Дата регистрации</th>
                        <th style="width: 10%;">Статус</th>
                        <th style="width: 15%;">Действия</th>
                    </tr>
                </thead>
                <tbody>
                    <?php foreach ($users as $user): ?>
                    <tr>
                        <td><?= $user['id'] ?></td>
                        <td>
                            <strong><a href="<?= SITE_URL ?>/author/<?= $user['id'] ?>"><?= e($user['username']) ?></a></strong>
                            <?php if ($user['id'] == $_SESSION['user_id']): ?>
                                <br><small style="color: #666;">(Вы)</small>
                            <?php endif; ?>
                        </td>
                        <td><?= e($user['display_name']) ?></td>
                        <td><?= e($user['email']) ?></td>
                        <td>
                            <small><?= date('d.m.Y H:i', strtotime($user['created_at'])) ?></small>
                            <?php if ($user['last_login']): ?>
                                <br><small style="color: #666;">Вход: <?= date('d.m.Y H:i', strtotime($user['last_login'])) ?></small>
                            <?php endif; ?>
                        </td>
                        <td>
                            <span style="color: <?= $user['is_active'] ? 'green' : 'red' ?>">
                                <?= $user['is_active'] ? '✅ Активен' : '❌ Неактивен' ?>
                            </span>
                        </td>
                        <td>
                            <?php if ($user['id'] != $_SESSION['user_id']): ?>
                            <div style="display: flex; gap: 3px; flex-wrap: wrap;">
                                <form method="post" action="<?= SITE_URL ?>/admin/user/<?= $user['id'] ?>/toggle-status" style="display: inline;">
                                    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                                    <button type="submit" class="compact-button secondary" title="<?= $user['is_active'] ? 'Деактивировать' : 'Активировать' ?>">
                                        <?= $user['is_active'] ? '⏸️' : '▶️' ?>
                                    </button>
                                </form>
                                <form method="post" action="<?= SITE_URL ?>/admin/user/<?= $user['id'] ?>/delete" style="display: inline;" onsubmit="return confirm('Вы уверены, что хотите удалить пользователя «<?= e($user['username']) ?>»? Все его книги и главы также будут удалены.');">
                                    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                                    <button type="submit" class="compact-button secondary" style="background: #ff4444; border-color: #ff4444; color: white;" title="Удалить">
                                        🗑️
                                    </button>
                                </form>
                            </div>
                            <?php else: ?>
                                <small style="color: #666;">Текущий пользователь</small>
                            <?php endif; ?>
                        </td>
                    </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>
        </div>
    <?php endif; ?>
</div>

<?php include 'views/layouts/footer.php'; ?>
// ./views/user/profile.php
<?php
// views/user/profile.php
include 'views/layouts/header.php';
?>

<h1>Мой профиль</h1>

<?php if ($message): ?>
    <div class="alert <?= strpos($message, 'Ошибка') !== false ? 'alert-error' : 'alert-success' ?>">
        <?= e($message) ?>
    </div>
<?php endif; ?>

<div class="grid">
    <article>
        <h2>Основная информация</h2>
        <form method="post" enctype="multipart/form-data">
            <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
            
            <div style="margin-bottom: 1rem;">
                <label for="username" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                    Имя пользователя (нельзя изменить)
                </label>
                <input type="text" id="username" value="<?= e($user['username']) ?>" disabled style="width: 100%;">
            </div>
            
            <div style="margin-bottom: 1rem;">
                <label for="display_name" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                    Отображаемое имя *
                </label>
                <input type="text" id="display_name" name="display_name" 
                       value="<?= e($user['display_name'] ?? $user['username']) ?>" 
                       style="width: 100%;" required>
            </div>
            
            <div style="margin-bottom: 1.5rem;">
                <label for="email" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                    Email
                </label>
                <input type="email" id="email" name="email" 
                       value="<?= e($user['email'] ?? '') ?>" 
                       style="width: 100%;">
            </div>
            
            <div style="margin-bottom: 1.5rem;">
                <label for="bio" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                    О себе (отображается на вашей публичной странице)
                </label>
                <textarea id="bio" name="bio" 
                          placeholder="Расскажите о себе, своих интересах, стиле письма..."
                          rows="6"
                          style="width: 100%;"><?= e($user['bio'] ?? '') ?></textarea>
                <small style="color: var(--muted-color);">
                    Поддерживается Markdown форматирование
                </small>
            </div>
            
            <div class="profile-buttons">
                <button type="submit" class="profile-button primary">
                    💾 Сохранить изменения
                </button>
                <a href="<?= SITE_URL ?>/dashboard" class="profile-button secondary">
                    ↩️ Назад
                </a>
            </div>
        </form>
    </article>
    
    <article>
        <h2>Аватарка</h2>
        
        <div style="text-align: center; margin-bottom: 1.5rem;">
            <?php if (!empty($user['avatar'])): ?>
                <img src="<?= AVATARS_URL . e($user['avatar']) ?>" 
                     alt="Аватарка" 
                     style="max-width: 200px; height: auto; border-radius: 50%; border: 3px solid var(--primary);"
                     onerror="this.style.display='none'">
            <?php else: ?>
                <div style="width: 200px; height: 200px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); display: flex; align-items: center; justify-content: center; color: white; font-size: 4rem; margin: 0 auto;">
                    <?= mb_substr(e($user['display_name'] ?? $user['username']), 0, 1) ?>
                </div>
            <?php endif; ?>
        </div>
        
        <form method="post" enctype="multipart/form-data">
            <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
            
            <div style="margin-bottom: 1rem;">
                <label for="avatar" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                    Загрузить новую аватарку
                </label>
                <input type="file" id="avatar" name="avatar" 
                       accept="image/jpeg, image/png, image/gif, image/webp"
                       style="height: 2.6rem;">
                <small style="color: var(--muted-color);">
                    Разрешены: JPG, PNG, GIF, WebP. Максимальный размер: 2MB.
                    Рекомендуемый размер: 200×200 пикселей.
                </small>
                
                <?php if (!empty($avatar_error)): ?>
                    <div style="color: #d32f2f; margin-top: 0.5rem;">
                        ❌ <?= e($avatar_error) ?>
                    </div>
                <?php endif; ?>
            </div>
            
            <div style="display: flex; gap: 10px;">
                <button type="submit" class="contrast" style="flex: 1;">
                    📤 Загрузить аватарку
                </button>
                
                <?php if (!empty($user['avatar'])): ?>
                    <button type="submit" name="delete_avatar" value="1" class="secondary" style="flex: 1; background: #ff4444; border-color: #ff4444; color: white;">
                        🗑️ Удалить аватарку
                    </button>
                <?php endif; ?>
            </div>
        </form>
        
        <?php if (!empty($user['avatar'])): ?>
            <div style="margin-top: 1rem; padding: 1rem; background: var(--card-background-color); border-radius: 5px;">
                <p style="margin: 0; font-size: 0.9em; color: var(--muted-color);">
                    <strong>Примечание:</strong> Аватарка отображается на вашей публичной странице автора
                </p>
            </div>
        <?php endif; ?>
    </article>
</div>

<article>
    <h3>Информация об аккаунте</h3>
    <p><a href="<?= SITE_URL ?>/author/<?= $_SESSION['user_id'] ?>" target="_blank" class="adaptive-button secondary">
        👁️ Посмотреть мою публичную страницу
    </a></p>
    <p><strong>Дата регистрации:</strong> <?= date('d.m.Y H:i', strtotime($user['created_at'])) ?></p>
    <?php if ($user['last_login']): ?>
        <p><strong>Последний вход:</strong> <?= date('d.m.Y H:i', strtotime($user['last_login'])) ?></p>
    <?php endif; ?>
</article>

<?php include 'views/layouts/footer.php'; ?>
// ./views/user/view_public.php
<?php
// views/user/view_public.php
include 'views/layouts/header.php';
?>

<div class="container">
    <article style="max-width: 800px; margin: 0 auto;">
        <header style="text-align: center; margin-bottom: 2rem; border-bottom: 2px solid var(--muted-border-color); padding-bottom: 1rem;">
            <!-- Аватарка автора -->
            <div style="margin-bottom: 1rem;">
                <?php if (!empty($user['avatar'])): ?>
                    <img src="<?= AVATARS_URL . e($user['avatar']) ?>" 
                         alt="<?= e($user['display_name'] ?: $user['username']) ?>" 
                         style="width: 150px; height: 150px; border-radius: 50%; border: 3px solid var(--primary); object-fit: cover;"
                         onerror="this.style.display='none'">
                <?php else: ?>
                    <div style="width: 150px; height: 150px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); display: flex; align-items: center; justify-content: center; color: white; font-size: 3rem; margin: 0 auto;">
                        <?= mb_substr(e($user['display_name'] ?: $user['username']), 0, 1) ?>
                    </div>
                <?php endif; ?>
            </div>
            
            <h1 style="margin-bottom: 0.5rem;"><?= e($user['display_name'] ?: $user['username']) ?></h1>
            
            <!-- Биография автора -->
            <?php if (!empty($user['bio'])): ?>
                <div style="background: var(--card-background-color); padding: 1.5rem; border-radius: 8px; margin: 1rem 0; text-align: left;">
                    <?= e($user['bio']) ?>
                </div>
            <?php endif; ?>
            
            <!-- Статистика автора -->
            <div style="display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; font-size: 0.9em; color: var(--muted-color);">
                <div style="text-align: center;">
                    <div style="font-size: 1.5em; font-weight: bold; color: var(--primary);"><?= $total_books ?></div>
                    <div>Книг</div>
                </div>
                <div style="text-align: center;">
                    <div style="font-size: 1.5em; font-weight: bold; color: var(--success);"><?= $total_chapters ?></div>
                    <div>Глав</div>
                </div>
                <div style="text-align: center;">
                    <div style="font-size: 1.5em; font-weight: bold; color: var(--warning);"><?= $total_words ?></div>
                    <div>Слов</div>
                </div>
            </div>
        </header>

        <h2 style="text-align: center; margin-bottom: 2rem;">Публикации автора</h2>

        <?php if (empty($books)): ?>
            <div style="text-align: center; padding: 3rem; background: var(--card-background-color); border-radius: 5px;">
                <h3>У этого автора пока нет опубликованных книг</h3>
                <p>Следите за обновлениями, скоро здесь появятся новые произведения!</p>
            </div>
        <?php else: ?>
            <div class="author-books">
                <?php foreach ($books as $book): ?>
                    <article style="display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 2rem; padding: 1.5rem; background: var(--card-background-color); border-radius: 8px;">
                        <?php if ($book['cover_image']): ?>
                            <div style="flex-shrink: 0;">
                                <img src="<?= COVERS_URL . e($book['cover_image']) ?>" 
                                     alt="<?= e($book['title']) ?>" 
                                     style="max-width: 120px; height: auto; border-radius: 4px; border: 1px solid var(--border-color);"
                                     onerror="this.style.display='none'">
                            </div>
                        <?php else: ?>
                            <div style="flex-shrink: 0;">
                                <div class="cover-placeholder" style="width: 120px; height: 160px; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: white; font-size: 2rem;">
                                    📚
                                </div>
                            </div>
                        <?php endif; ?>
                        
                        <div style="flex: 1;">
                            <h3 style="margin-top: 0;"><?= e($book['title']) ?></h3>
                            
                            <?php if ($book['genre']): ?>
                                <p style="color: var(--muted-color); margin: 0.5rem 0;"><em><?= e($book['genre']) ?></em></p>
                            <?php endif; ?>
                            
                            <?php if ($book['description']): ?>
                                <p style="margin-bottom: 1rem;"><?= nl2br(e($book['description'])) ?></p>
                            <?php endif; ?>
                            
                            <?php
                            $book_stats = $bookModel->getBookStats($book['id'], true);
                            $chapter_count = $book_stats['chapter_count'] ?? 0;
                            $word_count = $book_stats['total_words'] ?? 0;
                            ?>
                            
                            <div style="display: flex; gap: 10px; flex-wrap: wrap; align-items: center;">
                                <a href="<?= SITE_URL ?>/book/<?= e($book['share_token']) ?>" class="adaptive-button">
                                    Читать книгу
                                </a>
                                
                                <small style="color: var(--muted-color);">
                                    Глав: <?= $chapter_count ?> | Слов: <?= $word_count ?>
                                </small>
                            </div>
                        </div>
                    </article>
                <?php endforeach; ?>
            </div>
        <?php endif; ?>

        <footer style="margin-top: 3rem; padding-top: 1rem; border-top: 2px solid var(--muted-border-color); text-align: center;">
            <p style="color: var(--muted-color);">
                Страница автора создана в <?= e(APP_NAME) ?> • 
                <?= date('Y') ?>
            </p>
        </footer>
    </article>
</div>

<style>
.author-books article {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
}

.author-books article:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.cover-placeholder {
    width: 120px;
    height: 160px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

@media (max-width: 768px) {
    .author-books article {
        flex-direction: column;
        text-align: center;
    }
    
    .author-books .book-cover {
        align-self: center;
    }
    
    header .author-stats {
        flex-direction: column;
        gap: 1rem;
    }
}
</style>

<?php include 'views/layouts/footer.php'; ?>
// ./views/books/index.php
<?php
// views/books/index.php
include 'views/layouts/header.php';
?>

<h1>Мои книги <small style="color: #ccc; font-size:1rem;">(Всего книг: <?= count($books) ?>)</small></h1>


<div style="display: flex; justify-content: left; margin-bottom: 1rem; flex-wrap: wrap; gap: 1rem;">
    <a href="<?= SITE_URL ?>/books/create" class="action-button primary" role="button">➕ Новая книга</a>
    <?php if (!empty($books)): ?>
        <a href="#" onclick="showDeleteAllConfirmation()" class="action-button delete">🗑️ Удалить все книги</a>
    <?php endif; ?>
</div>

<?php if (empty($books)): ?>
    <article style="text-align: center; padding: 2rem;">
        <h3>У вас пока нет книг</h3>
        <p>Создайте свою первую книгу и начните писать!</p>
        <a href="<?= SITE_URL ?>/books/create" role="button">📖 Создать первую книгу</a>
    </article>
<?php else: ?>
    <div class="books-grid">
        <?php foreach ($books as $book): ?>
            <article class="book-card">
                <!-- Обложка книги -->
                <div class="book-cover-container">
                    <?php if (!empty($book['cover_image'])): ?>
                        <img src="<?= COVERS_URL . e($book['cover_image']) ?>" 
                             alt="<?= e($book['title']) ?>" 
                             class="book-cover"
                             onerror="this.style.display='none'; this.nextElementSibling.style.display='flex';">
                        <div class="cover-placeholder" style="display: none;">
                            📚
                        </div>
                    <?php else: ?>
                        <div class="cover-placeholder">
                            📚
                        </div>
                    <?php endif; ?>
                    
                    <!-- Статус книги -->
                    <div class="book-status <?= $book['published'] ? 'published' : 'draft' ?>">
                        <?= $book['published'] ? '✅' : '📝' ?>
                    </div>
                </div>

                <!-- Информация о книге -->
                <div class="book-info">
                    <h3 class="book-title">
                        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/edit">
                            <?= e($book['title']) ?>
                        </a>
                    </h3>
                    
                    <?php if (!empty($book['genre'])): ?>
                        <p class="book-genre"><?= e($book['genre']) ?></p>
                    <?php endif; ?>
                    
                    <?php if (!empty($book['description'])): ?>
                        <p class="book-description">
                            <?= e(mb_strimwidth($book['description'], 0, 120, '...')) ?>
                        </p>
                    <?php endif; ?>
                    
                    <!-- Статистика -->
                    <div class="book-stats">
                        <span class="stat-item">
                            <strong><?= $book['chapter_count'] ?? 0 ?></strong> глав
                        </span>
                        <span class="stat-item">
                            <strong><?= number_format($book['total_words'] ?? 0) ?></strong> слов
                        </span>
                    </div>
                    
                    <!-- Действия -->
                    <div class="book-actions">
                        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/edit" class="compact-button primary-btn">
                            ✏️ Редактировать
                        </a>
                        <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters" class="compact-button secondary-btn">
                            📑 Главы
                        </a>
                        <a href="<?= SITE_URL ?>/book/<?= $book['share_token'] ?>" class="compact-button secondary-btn" target="_blank">
                            👁️ Просмотр
                        </a>
                    </div>
                </div>
            </article>
        <?php endforeach; ?>
    </div>

    <!-- Статистика внизу -->
    <div class="books-stats-footer">
        <strong>Общая статистика:</strong> 
        Книг: <?= count($books) ?> | 
        Глав: <?= array_sum(array_column($books, 'chapter_count')) ?> | 
        Слов: <?= number_format(array_sum(array_column($books, 'total_words'))) ?> |
        Опубликовано: <?= count(array_filter($books, function($book) { return $book['published']; })) ?>
    </div>
<?php endif; ?>
<?php if (!empty($books)): ?>
    <script>
    function showDeleteAllConfirmation() {
        if (confirm('Вы уверены, что хотите удалить ВСЕ книги? Это действие также удалит все главы и обложки книг. Действие нельзя отменить!')) {
            const form = document.createElement('form');
            form.method = 'POST';
            form.action = '<?= SITE_URL ?>/books/delete-all';
            
            const csrfInput = document.createElement('input');
            csrfInput.type = 'hidden';
            csrfInput.name = 'csrf_token';
            csrfInput.value = '<?= generate_csrf_token() ?>';
            form.appendChild(csrfInput);
            
            document.body.appendChild(form);
            form.submit();
        }
    }
    </script>
<?php endif; ?>
<?php include 'views/layouts/footer.php'; ?>
// ./views/books/create.php
<?php
// views/books/create.php
include 'views/layouts/header.php';
?>
<h1>Создание новой книги</h1>
<?php if (isset($_SESSION['error'])): ?>
    <div class="alert alert-error">
        <?= e($_SESSION['error']) ?>
        <?php unset($_SESSION['error']); ?>
    </div>
<?php endif; ?>

<?php if (isset($error) && $error): ?>
    <div class="alert alert-error">
        <?= e($error) ?>
    </div>
<?php endif; ?>
<?php if (isset($cover_error) && $cover_error): ?>
    <div class="alert alert-error">
        Ошибка загрузки обложки: <?= e($cover_error) ?>
    </div>
<?php endif; ?>
<form method="post" enctype="multipart/form-data">
    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
    <div style="max-width: 100%; margin-bottom: 0.5rem;">
        <label for="title" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Название книги *
        </label>
        <input type="text" id="title" name="title" 
               value="<?= e($_POST['title'] ?? '') ?>" 
               placeholder="Введите название книги" 
               style="width: 100%; margin-bottom: 1.5rem;" 
               required>
        <label for="genre" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Жанр
        </label>
        <input type="text" id="genre" name="genre" 
               value="<?= e($_POST['genre'] ?? '') ?>" 
               placeholder="Например: Фантастика, Роман, Детектив..."
               style="width: 100%; margin-bottom: 1.5rem;">

        <label for="series_id" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Серия
        </label>
        <select id="series_id" name="series_id" style="width: 100%; margin-bottom: 1rem;">
            <option value="">-- Без серии --</option>
            <?php foreach ($series as $ser): ?>
                <option value="<?= $ser['id'] ?>" <?= (($_POST['series_id'] ?? '') == $ser['id']) ? 'selected' : '' ?>>
                    <?= e($ser['title']) ?>
                </option>
            <?php endforeach; ?>
        </select>
        <label for="description" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Описание книги
        </label>
        <textarea id="description" name="description" 
                  placeholder="Краткое описание сюжета или аннотация..." 
                  rows="6"
                  style="width: 100;"><?= e($_POST['description'] ?? '') ?></textarea>
        <div style="margin-bottom: 1rem;">
            <label for="cover_image" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Обложка книги
            </label>
            <input type="file" id="cover_image" name="cover_image" 
                accept="image/jpeg,image/png,image/gif,image/webp">
            <small style="color: var(--muted-color);">
                Разрешены форматы: JPG, PNG, GIF, WebP. Максимальный размер: 5MB.
            </small>
        </div>
        <div style="margin-top: 1rem;">
            <label for="published">
                <input type="checkbox" id="published" name="published" value="1"
                <?= (!empty($_POST['published']) && $_POST['published']) ? 'checked' : '' ?>>
                Опубликовать книгу (показывать на публичной странице автора)
            </label>
        </div>
    </div>
    <div style="display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem;">
        <button type="submit" class="contrast">
            📖 Создать книгу
        </button>
        <a href="<?= SITE_URL ?>/books" role="button" class="secondary">
            ❌ Отмена
        </a>
    </div>
</form>
<?php include 'views/layouts/footer.php'; ?>
// ./views/books/edit.php
<?php
// views/books/edit.php
include 'views/layouts/header.php';
?>
<?php if (isset($_SESSION['cover_error'])): ?>
    <div class="alert alert-error">
        Ошибка загрузки обложки: <?= e($_SESSION['cover_error']) ?>
        <?php unset($_SESSION['cover_error']); ?>
    </div>
<?php endif; ?>
<h1>Редактирование книги</h1>
<form method="post" enctype="multipart/form-data">
    <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
    <div style="max-width: 100%; margin-bottom: 0.5rem;">
        <label for="title" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Название книги *
        </label>
        <input type="text" id="title" name="title" 
               value="<?= e($book['title'] ?? '') ?>" 
               placeholder="Введите название книги" 
               style="width: 100%; margin-bottom: 1.5rem;" 
               required>
        <label for="genre" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Жанр
        </label>
        <input type="text" id="genre" name="genre" 
               value="<?= e($book['genre'] ?? '') ?>" 
               placeholder="Например: Фантастика, Роман, Детектив..."
               style="width: 100%; margin-bottom: 1.5rem;">
        <label for="series_id" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Серия
        </label>
        <select id="series_id" name="series_id" style="width: 100%; margin-bottom: 1rem;">
            <option value="">-- Без серии --</option>
            <?php foreach ($series as $ser): ?>
                <option value="<?= $ser['id'] ?>" <?= ($ser['id'] == ($book['series_id'] ?? 0)) ? 'selected' : '' ?>>
                    <?= e($ser['title']) ?>
                </option>
            <?php endforeach; ?>
        </select>
        <label for="sort_order_in_series" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Порядок в серии
        </label>
        <input type="number" id="sort_order_in_series" name="sort_order_in_series" 
            value="<?= e($book['sort_order_in_series'] ?? '') ?>" 
            placeholder="Номер по порядку в серии"
            min="1"
            style="width: 100%; margin-bottom: 1.5rem;">
        <!-- Обложка -->
        <div style="margin-bottom: 1.5rem;">
            <label for="cover_image" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
                Обложка книги
            </label>
            <?php if (!empty($book['cover_image'])): ?>
                <div style="margin-bottom: 1rem;">
                    <p><strong>Текущая обложка:</strong></p>
                    <img src="<?= COVERS_URL . e($book['cover_image']) ?>" 
                         alt="Обложка" 
                         style="max-width: 200px; height: auto; border-radius: 4px; border: 1px solid var(--border-color);">
                    <div style="margin-top: 0.5rem;">
                        <label style="display: inline-flex; align-items: center; gap: 0.5rem;">
                            <input type="checkbox" name="delete_cover" value="1">
                            Удалить обложку
                        </label>
                    </div>
                </div>
            <?php endif; ?>
            <input type="file" id="cover_image" name="cover_image" 
                   accept="image/jpeg, image/png, image/gif, image/webp"
                   style="height: 2.6rem;">
            <small style="color: var(--muted-color);">
                Разрешены: JPG, PNG, GIF, WebP. Максимальный размер: 5MB.
                Рекомендуемый размер: 300×450 пикселей.
            </small>
            <?php if (!empty($cover_error)): ?>
                <div style="color: #d32f2f; margin-top: 0.5rem;">
                    ❌ <?= e($cover_error) ?>
                </div>
            <?php endif; ?>
        </div>
        <label for="description" style="display: block; margin-bottom: 0.5rem; font-weight: bold;">
            Описание книги
        </label>
        <textarea id="description" name="description" 
                  placeholder="Краткое описание сюжета или аннотация..." 
                  rows="6"
                  style="width: 100%;"><?= e($book['description'] ?? '') ?></textarea>
        <div style="margin-top: 1rem;">
            <label for="published">
                <input type="checkbox" id="published" name="published" value="1"
                <?= !empty($book['published']) ? 'checked' : '' ?>>
                Опубликовать книгу (показывать на публичной странице автора)
            </label>
        </div>
    </div>
    <div style="display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem;">
        <button type="submit" class="contrast">
            💾 Сохранить изменения
        </button>
        <!-- <a href="<?= SITE_URL ?>/books" role="button" class="secondary">
            ❌ Отмена
        </a> -->
    </div>
</form>

<?php if ($book): ?>
    <div style="margin-top: 0.5rem; padding: 0rem; background: var(--card-background-color); border-radius: 5px;">
        <h3>Публичная ссылка для чтения</h3>
        <div style="display: flex; gap: 5px; align-items: center; flex-wrap: wrap;">
            <input type="text" 
                   id="share-link" 
                   value="<?= e(SITE_URL . '/book/' . $book['share_token']) ?>" 
                   readonly 
                   style="flex: 1; padding: 8px; border: 1px solid var(--border-color); border-radius: 4px; background: white;">
            <button type="button" onclick="copyShareLink()" class="adaptive-button">
                📋 Копировать
            </button>
            <form method="post" action="<?= SITE_URL ?>/books/<?= $book['id'] ?>/regenerate-token" style="display: inline;">
                <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
                <button type="submit" class="adaptive-button secondary" onclick="return confirm('Создать новую ссылку? Старая ссылка перестанет работать.')">
                    🔄 Обновить
                </button>
            </form>
        </div>
        <p style="margin-top: 0.5rem; font-size: 0.8em; color: var(--muted-color);">
            <strong>Примечание:</strong> В публичном просмотре отображаются только главы со статусом "Опубликована"
        </p>
    </div>
    <div style="margin-top: 0.5rem; padding: 0rem; background: var(--card-background-color); border-radius: 5px;">
        <h3>Экспорт книги</h3>
        <p style="margin-bottom: 0.5rem;">Экспортируйте книгу в различные форматы:</p>
        <div style="display: flex; gap: 5px; flex-wrap: wrap;">
            <a href="<?= SITE_URL ?>/export/<?= $book['id'] ?>/pdf" class="adaptive-button secondary" target="_blank" role="button">
                📄 PDF
            </a>
            <a href="<?= SITE_URL ?>/export/<?= $book['id'] ?>/docx" class="adaptive-button secondary" target="_blank" role="button">
                📝 DOCX
            </a>
            <a href="<?= SITE_URL ?>/export/<?= $book['id'] ?>/html" class="adaptive-button secondary" target="_blank" role="button">
                🌐 HTML
            </a>
            <a href="<?= SITE_URL ?>/export/<?= $book['id'] ?>/txt" class="adaptive-button secondary" target="_blank" role="button">
                📄 TXT
            </a>
        </div>
        <p style="margin-top: 0.5rem; font-size: 0.9em; color: var(--muted-color);">
            <strong>Примечание:</strong> Экспортируются все главы книги (включая черновики)
        </p>
    </div>
    <div style="margin-top: 0.5rem;">
        <h2>Главы этой книги</h2>
        <div style="display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 1rem;">
            <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters" class="adaptive-button secondary" role="button">
                📑 Все главы
            </a>
            <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters/create" class="adaptive-button secondary" role="button">
                ✏️ Добавить главу
            </a>
        </div>
        <?php if (!empty($chapters)): ?>
            <div style="overflow-x: auto;">
                <table style="width: 100%;">
                    <thead>
                        <tr>
                            <th style="text-align: left; padding: 12px 8px;">Название</th>
                            <th style="text-align: left; padding: 12px 8px;">Статус</th>
                            <th style="text-align: left; padding: 12px 8px;">Слов</th>
                            <th style="text-align: left; padding: 12px 8px;">Действия</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php foreach ($chapters as $chapter): ?>
                        <tr style="border-bottom: 1px solid var(--border-color);">
                            <td style="padding: 12px 8px;"><?= e($chapter['title']) ?></td>
                            <td style="padding: 12px 8px;">
                                <span style="color: <?= $chapter['status'] == 'published' ? 'green' : 'orange' ?>">
                                    <?= $chapter['status'] == 'published' ? 'Опубликована' : 'Черновик' ?>
                                </span>
                            </td>
                            <td style="padding: 12px 8px;"><?= $chapter['word_count'] ?></td>
                            <td style="padding: 12px 8px;">
                                <a href="<?= SITE_URL ?>/chapters/<?= $chapter['id'] ?>/edit" class="compact-button secondary">
                                    Редактировать
                                </a>
                            </td>
                        </tr>
                        <?php endforeach; ?>
                    </tbody>
                </table>
            </div>
        <?php else: ?>
            <div style="text-align: center; padding: 0.5rem; background: var(--card-background-color); border-radius: 5px;">
                <p style="margin-bottom: 1rem;">В этой книге пока нет глав.</p>
                <a href="<?= SITE_URL ?>/books/<?= $book['id'] ?>/chapters/create" class="adaptive-button secondary" role="button">
                    ✏️ Добавить первую главу
                </a>
            </div>
        <?php endif; ?>
    </div>
    <div style="margin-top: 0.5rem; text-align: center;">
        <form method="post" action="<?= SITE_URL ?>/books/<?= $book['id'] ?>/delete" style="display: inline;" onsubmit="return confirm('Вы уверены, что хотите удалить книгу «<?= e($book['title']) ?>»? Все главы также будут удалены.');">
            <input type="hidden" name="csrf_token" value="<?= generate_csrf_token() ?>">
            <button type="submit" class="adaptive-button red-btn">
                🗑️ Удалить книгу
            </button>
        </form>
    </div>
<?php endif; ?>

<script>


document.addEventListener('DOMContentLoaded', function() {
    
    // Копирование ссылки для чтения
    window.copyShareLink = function() {
        const shareLink = document.getElementById('share-link');
        shareLink.select();
        document.execCommand('copy');
        const button = event.target;
        const originalText = '📋 Копировать';
        button.textContent = '✅ Скопировано';
        setTimeout(() => {
            button.textContent = originalText;
        }, 2000);
    }
});
</script>

<?php include 'views/layouts/footer.php'; ?>
// ./views/books/view_public.php
<?php
// views/books/view_public.php
include 'views/layouts/header.php';
?>

<div class="container" style="padding: 0em; margin: 0em auto; width: 90%;">
    <article style="margin: 0 auto;">
        <header style="text-align: center; margin-bottom: 2rem;">
            <?php if (!empty($book['cover_image'])): ?>
                <div style="margin-bottom: 1rem;">
                    <img src="<?= COVERS_URL . e($book['cover_image']) ?>" 
                         alt="<?= e($book['title']) ?>" 
                         style="max-width: 200px; height: auto; border-radius: 8px; box-shadow: 0 4px 8px rgba(0,0,0,0.1);"
                         onerror="this.style.display='none'">
                </div>
            <?php endif; ?>
            
            <h1 style="margin-bottom: 0.5rem;"><?= e($book['title']) ?></h1>
            
            <p style="color: #666; font-style: italic; margin-bottom: 0.5rem;">
                Автор: <a href="<?= SITE_URL ?>/author/<?= $book['user_id'] ?>"><?= e($author['display_name']??$author['username']) ?></a>
            </p>
            
            <?php if (!empty($book['genre'])): ?>
                <p style="color: #666; font-style: italic; margin-bottom: 1rem;">
                    <?= e($book['genre']) ?>
                </p>
            <?php endif; ?>
            
            <?php if (!empty($book['description'])): ?>
                <div style="background: var(--card-background-color); padding: 1.5rem; border-radius: 8px; margin: 1rem 0; text-align: left;">
                    <?= nl2br(e($book['description'])) ?>
                </div>
            <?php endif; ?>
            
            <div style="display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; font-size: 0.9em; color: #666;">
                <span>Глав: <?= count($chapters) ?></span>
                <span>Слов: <?= array_sum(array_column($chapters, 'word_count')) ?></span>
                <a href="<?= SITE_URL ?>/export/shared/<?= $book['share_token'] ?>" class="adaptive-button secondary" style="font-size: 0.8em;">
                    📄 Скачать книгу
                </a>
            </div>
        </header>

        <?php if (empty($chapters)): ?>
            <div style="text-align: center; padding: 3rem; background: var(--card-background-color); border-radius: 5px;">
                <h3>В этой книге пока нет глав</h3>
                <p>Автор еще не опубликовал содержание книги</p>
            </div>
        <?php else: ?>
            <h2 style="text-align: center; margin-bottom: 2rem;">Оглавление</h2>
            
            <div class="chapters-list">
                <?php foreach ($chapters as $index => $chapter): ?>
                    <article style="margin-bottom: 1rem; padding: 1rem; background: var(--card-background-color); border-radius: 8px;">
                        <h3 style="margin-top: 0;">
                            <a href="#chapter-<?= $chapter['id'] ?>" style="text-decoration: none;">
                                Глава <?= $index + 1 ?>: <?= e($chapter['title']) ?>
                            </a>
                        </h3>
                        <div style="display: flex; gap: 10px; align-items: center;">
                            <small style="color: var(--muted-color);">
                                Слов: <?= $chapter['word_count'] ?> 
                                | Обновлено: <?= date('d.m.Y', strtotime($chapter['updated_at'])) ?>
                            </small>
                        </div>
                    </article>
                <?php endforeach; ?>
            </div>

            <hr style="margin: 2rem 0;">

            <?php foreach ($chapters as $index => $chapter): ?>
                <div class="chapter-content" id="chapter-<?= $chapter['id'] ?>" style="margin-bottom: 3rem;">
                    <h2 style="border-bottom: 2px solid var(--primary); padding-bottom: 0.5rem;">
                        Глава <?= $index + 1 ?>: <?= e($chapter['title']) ?>
                    </h2>
                    
                    <div style="margin-top: 1.5rem; line-height: 1.6;">
                        <?= $chapter['content'] ?>
                    </div>
                </div>
            <?php endforeach; ?>
        <?php endif; ?>

        <footer style="margin-top: 3rem; padding-top: 1rem; border-top: 2px solid var(--muted-border-color); text-align: center;">
            <p style="color: var(--muted-color);">
                Книга создана в <?= e(APP_NAME) ?> • 
                <?= date('Y') ?>
            </p>
        </footer>
    </article>
</div>

<style>
.chapter-content h1, .chapter-content h2, .chapter-content h3 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

.chapter-content p {
    margin-bottom: 1em;
    text-align: justify;
}

.chapter-content .dialogue {
    margin-left: 2rem;
    font-style: italic;
    color: #2c5aa0;
}

.chapter-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
    margin-left: 0;
    color: #555;
    font-style: italic;
}

.chapter-content code {
    background: var(--card-background-color);
    padding: 2px 4px;
    border-radius: 3px;
}

.chapter-content pre {
    background: var(--card-background-color);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

.chapter-content ul, .chapter-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}
</style>

<?php include 'views/layouts/footer.php'; ?>