* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background-color: #1a1a1a;
            color: #ffffff;
            line-height: 1.6;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #ffffff;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        .nav-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .nav-btn {
            padding: 15px 30px;
            background-color: #3a3a3a;
            color: #ffffff;
            border: 1px solid #4a4a4a;
            border-radius: 8px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.2s ease;
            min-width: 120px;
            text-align: center;
        }

        .nav-btn:hover {
            background-color: #4a4a4a;
            border-color: #5a5a5a;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .search-section {
            background-color: #2a2a2a;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            border: 1px solid #3a3a3a;
        }

        .search-form {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .search-input {
            flex: 1;
            padding: 15px 20px;
            background-color: #3a3a3a;
            color: #ffffff;
            border: 1px solid #4a4a4a;
            border-radius: 8px;
            font-size: 16px;
            min-height: 50px;
        }

        .search-input:focus {
            outline: none;
            border-color: #6a6a6a;
            box-shadow: 0 0 0 2px rgba(106, 106, 106, 0.2);
        }

        .search-input::placeholder {
            color: #888;
        }

        .search-btn {
            padding: 15px 25px;
            background-color: #4a4a4a;
            color: #ffffff;
            border: 1px solid #5a5a5a;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            min-height: 50px;
            transition: all 0.2s ease;
        }

        .search-btn:hover {
            background-color: #5a5a5a;
            border-color: #6a6a6a;
            transform: translateY(-1px);
        }

        .clear-btn {
            padding: 15px 20px;
            background-color: #6a6a6a;
            color: #ffffff;
            border: 1px solid #7a7a7a;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            min-height: 50px;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-block;
        }

        .clear-btn:hover {
            background-color: #7a7a7a;
            border-color: #8a8a8a;
        }

        .results-info {
            margin-bottom: 20px;
            padding: 15px;
            background-color: #2a2a2a;
            border-radius: 8px;
            border-left: 4px solid #4a4a4a;
        }

        .results-info h3 {
            color: #ffffff;
            margin-bottom: 5px;
        }

        .results-info p {
            color: #ccc;
            font-size: 14px;
        }

        .chapters-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .chapter-card {
            background-color: #2a2a2a;
            border: 1px solid #3a3a3a;
            border-radius: 12px;
            padding: 20px;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .chapter-card:hover {
            background-color: #3a3a3a;
            border-color: #4a4a4a;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .chapter-card a {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .chapter-number {
            font-size: 1.5rem;
            font-weight: bold;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .chapter-info {
            color: #ccc;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .chapter-pages {
            color: #888;
            font-size: 12px;
        }

        .pagination {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
        }

        .pagination a, .pagination span {
            padding: 10px 15px;
            background-color: #3a3a3a;
            color: #ffffff;
            border: 1px solid #4a4a4a;
            border-radius: 6px;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .pagination a:hover {
            background-color: #4a4a4a;
            border-color: #5a5a5a;
        }

        .pagination .current {
            background-color: #4a4a4a;
            border-color: #5a5a5a;
        }

        .pagination .disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .no-results {
            text-align: center;
            padding: 40px;
            background-color: #2a2a2a;
            border-radius: 12px;
            border: 1px solid #3a3a3a;
        }

        .no-results h3 {
            color: #ffffff;
            margin-bottom: 10px;
        }

        .no-results p {
            color: #ccc;
        }

        /* Mobil uyumluluk */
        @media (max-width: 768px) {
            body {
                padding: 15px;
            }

            .header h1 {
                font-size: 2rem;
            }

            .nav-buttons {
                flex-direction: column;
                gap: 15px;
            }

            .nav-btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .search-form {
                flex-direction: column;
                gap: 10px;
            }

            .search-input, .search-btn, .clear-btn {
                width: 100%;
                min-height: 45px;
            }

            .chapters-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .chapter-card {
                padding: 15px;
            }

            .pagination {
                flex-wrap: wrap;
                gap: 5px;
            }

            .pagination a, .pagination span {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .header h1 {
                font-size: 1.5rem;
            }

            .chapter-number {
                font-size: 1.2rem;
            }
        }