    .alert-message {
        background-color: #ccffb6;
    }

    /* 확장자 관리 모달의 확장자 목록만 스크롤되도록 설정 */
    #extensionList {
        max-height: 50vh;
        overflow-y: auto;
    }

    /* 페이지 컨테이너 */
    .board-container {
        padding: 30px 15px;
        max-width: 1400px;
        margin: 0 auto;
    }

    /* 헤더 영역 */
    .board-header {
        margin-bottom: 30px;
    }

    .board-header h2 {
        font-size: 1.75rem;
        font-weight: 700;
        color: #212529;
        margin: 0;
    }

    .board-actions {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .board-actions .btn {
        font-size: 0.9rem;
        padding: 8px 16px;
        white-space: nowrap;
    }

    /* 카테고리 사이드바 스타일 */
    .category-sidebar {
        background-color: #f8f9fa;
        border-radius: 8px;
        padding: 0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        position: sticky;
        top: 20px;
    }

    .category-sidebar .list-group-item {
        border: none;
        border-left: 3px solid transparent;
        background-color: transparent;
        cursor: pointer;
        transition: all 0.2s;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .category-sidebar .list-group-item:hover {
        background-color: #e9ecef;
        border-left-color: #0d6efd;
    }

    .category-sidebar .list-group-item.active {
        background-color: #0d6efd;
        color: white;
        border-left-color: #0a58ca;
        font-weight: 600;
    }

    .category-sidebar .list-group-item .badge {
        margin-left: auto;
    }

    .category-header {
        background-color: #e9ecef;
        padding: 15px 20px;
        font-weight: 600;
        border-radius: 8px 8px 0 0;
        border-bottom: 2px solid #dee2e6;
        font-size: 1rem;
    }

    /* 게시글 테이블 */
    .content-wrapper {
        min-height: 500px;
        background-color: white;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        overflow: hidden;
    }

    .table {
        margin-bottom: 0;
    }

    .table thead {
        background-color: #f8f9fa;
        border-bottom: 2px solid #dee2e6;
    }

    .table thead th {
        font-weight: 600;
        color: #495057;
        border-bottom: none;
        padding: 15px 12px;
        font-size: 0.9rem;
    }

    .table tbody td {
        padding: 15px 12px;
        vertical-align: middle;
        font-size: 0.9rem;
    }

    .table tbody tr {
        transition: background-color 0.2s;
    }

    .table tbody tr:hover {
        background-color: rgba(13, 110, 253, 0.05);
    }

    .post-link {
        color: #212529;
        text-decoration: none;
        font-weight: 500;
    }

    .post-link:hover {
        color: #0d6efd;
        text-decoration: underline;
    }

    .locked-post {
        color: #dc3545;
        margin-left: 5px;
    }

    /* 페이지네이션 */
    .pagination {
        margin-top: 30px;
        justify-content: center;
    }

    .pagination .page-link {
        border-radius: 6px;
        margin: 0 3px;
        border: 1px solid #dee2e6;
        color: #495057;
        padding: 8px 14px;
        font-weight: 500;
    }

    .pagination .page-item.active .page-link {
        background-color: #0d6efd;
        border-color: #0d6efd;
    }

    .pagination .page-link:hover {
        background-color: #e9ecef;
        border-color: #dee2e6;
    }

    /* ========== 모바일 반응형 ========== */
    @media (max-width: 767.98px) {
        .board-container {
            padding: 20px 10px;
        }

        .board-header {
            flex-direction: column;
            align-items: flex-start !important;
            margin-bottom: 20px;
        }

        .board-header h2 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .board-actions {
            width: 100%;
        }

        .board-actions .btn {
            flex: 1;
            font-size: 0.85rem;
            padding: 8px 12px;
            min-width: 0;
        }

        .board-actions .btn i {
            display: none;
        }

        .board-actions .btn-secondary {
            flex: 0 0 auto;
            min-width: 80px;
        }

        /* 카테고리 사이드바 - 모바일에서 상단 가로 스크롤 */
        .category-sidebar {
            position: relative;
            top: 0;
            margin-bottom: 20px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .category-header {
            padding: 12px 15px;
            font-size: 0.9rem;
        }

        .category-sidebar .list-group {
            display: flex;
            flex-direction: row;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 10px 0;
        }

        .category-sidebar .list-group-item {
            flex: 0 0 auto;
            padding: 10px 15px;
            border-left: none;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            font-size: 0.85rem;
        }

        .category-sidebar .list-group-item:hover {
            border-left: none;
            border-bottom-color: #0d6efd;
        }

        .category-sidebar .list-group-item.active {
            border-left: none;
            border-bottom-color: #0a58ca;
        }

        /* 테이블 반응형 */
        .content-wrapper {
            border-radius: 6px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
        }

        .table-responsive {
            -webkit-overflow-scrolling: touch;
        }

        .table {
            font-size: 0.85rem;
        }

        .table thead th {
            padding: 12px 8px;
            font-size: 0.8rem;
            white-space: nowrap;
        }

        .table tbody td {
            padding: 12px 8px;
            font-size: 0.85rem;
        }

        /* 번호 컬럼 숨김 */
        .table th:first-child,
        .table td:first-child {
            display: none;
        }

        /* 카테고리 배지 크기 조정 */
        .badge {
            font-size: 0.7rem;
            padding: 3px 6px;
        }

        /* 제목 컬럼 */
        .post-link {
            font-size: 0.9rem;
            display: block;
            white-space: normal;
            line-height: 1.4;
        }

        /* 조회수, 작성일 축소 */
        .table tbody td:nth-last-child(1),
        .table tbody td:nth-last-child(2) {
            font-size: 0.75rem;
            color: #6c757d;
        }

        /* 페이지네이션 */
        .pagination {
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .pagination .page-link {
            padding: 6px 10px;
            font-size: 0.85rem;
            margin: 2px;
        }
    }

    /* 작은 모바일 (375px 이하) */
    @media (max-width: 375px) {
        .board-container {
            padding: 15px 8px;
        }

        .board-header h2 {
            font-size: 1.3rem;
        }

        .board-actions .btn {
            font-size: 0.8rem;
            padding: 6px 10px;
        }

        .category-sidebar .list-group-item {
            padding: 8px 12px;
            font-size: 0.8rem;
        }

        .table {
            font-size: 0.8rem;
        }

        .table thead th,
        .table tbody td {
            padding: 10px 6px;
        }

        .post-link {
            font-size: 0.85rem;
        }

        .pagination .page-link {
            padding: 5px 8px;
            font-size: 0.8rem;
        }
    }

    /* 태블릿 (768px ~ 991px) */
    @media (min-width: 768px) and (max-width: 991.98px) {
        .board-container {
            padding: 25px 15px;
        }

        .category-sidebar {
            margin-bottom: 20px;
        }

        .table thead th,
        .table tbody td {
            font-size: 0.9rem;
        }
    }
