padding: 0 20px;
    }

    /* 일반적인 페이지 스타일 */
    .page-container {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        margin-bottom: 30px;
    }

    .page-header {
        background: #f8f9fa;
        padding: 20px 25px;
        border-bottom: 1px solid #dee2e6;
    }

    .page-header h1 {
        margin: 0;
        color: #2c3e50;
        font-size: 24px;
        font-weight: 600;
    }

    .page-header h2 {
        margin: 0;
        color: #34495e;
        font-size: 20px;
        font-weight: 600;
    }

    .page-body {
        padding: 25px;
    }

    /* 폼 스타일 */
    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: 600;
        color: #2c3e50;
        font-size: 14px;
    }

    .form-group.required label::after {
        box-sizing: border-box;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: #3498db;
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    }

    .form-group textarea {
        resize: vertical;
        min-height: 100px;
        font-family: inherit;
    }

    .form-group select {
        background: #fff url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") no-repeat right 12px center;
        background-size: 12px 12px;
        padding-right: 30px;
    }

    /* 버튼 스타일 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #3498db;
        color: white;
        border: none;
        border-radius: 4px;
        text-decoration: none;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        text-align: center;
        white-space: nowrap;
    }

    .btn:hover {
        background: #2980b9;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
    }

    .btn:focus {
        outline: 2px solid #3498db;
        outline-offset: 2px;
    }

    .btn:active {
        transform: translateY(0);
        background: #2c7fb8;
    }

    .btn:disabled {
        background: #bdc3c7;
        cursor: not-allowed;
        transform: none;
    }

    .btn:disabled:hover {
        background: #bdc3c7;
        transform: none;
    }

    /* 버튼 크기 */
    .btn-sm {
        padding: 6px 12px;
        font-size: 12px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }

    /* 버튼 변형 */
    .btn-secondary {
        background: #95a5a6;
    }

    .btn-secondary:hover {
        background: #7f8c8d;
        box-shadow: 0 2px 4px rgba(149, 165, 166, 0.3);
    }

    .btn-danger {
        background: #e74c3c;
    }

    .btn-danger:hover {
        background: #c0392b;
        box-shadow: 0 2px 4px rgba(231, 76, 60, 0.3);
    }

    .btn-success {
        background: #27ae60;
    }

    .btn-success:hover {
        background: #229954;
        box-shadow: 0 2px 4px rgba(39, 174, 96, 0.3);
    }

    .btn-warning {
        background: #f39c12;
    }

    .btn-warning:hover {
        background: #e67e22;
        box-shadow: 0 2px 4px rgba(243, 156, 18, 0.3);
    }

    /* 버튼 그룹 */
    .btn-group {
        display: flex;
        gap: 10px;
    }

    .btn-group .btn {
        flex: 1;
    }

    /* 메시지 스타일 */
    .alert {
        padding: 15px 20px;
        border-radius: 4px;
        margin-bottom: 20px;
        border-left: 4px solid;
        font-size: 14px;
        line-height: 1.5;
    }

    .alert-success {
        background: #d4edda;
        color: #155724;
        border-color: #c3e6cb;
    }

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

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

    .alert-danger {
        background: #f8d7da;
        color: #721c24;
        border-color: #f5c6cb;
    }

    .alert h4 {
        margin: 0 0 5px 0;
        font-weight: 600;
        font-size: 16px;
    }

    .alert p {
        margin: 0;
    }

    /* 테이블 스타일 */
    .table {
        width: 100%;
        border-collapse: collapse;
        background: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .table th,
    .table td {
        padding: 12px 15px;
        text-align: left;
        border-bottom: 1px solid #dee2e6;
    }

    .table th {
        background: #f8f9fa;
        font-weight: 600;
        color: #2c3e50;
        font-size: 14px;
    }

    .table tr:hover {
        background: #f1f3f4;
    }

    .table-striped tbody tr:nth-child(even) {
        background: #f8f9fa;
    }

    .table-bordered {
        border: 1px solid #dee2e6;
    }

    .table-bordered th,
    .table-bordered td {
        border: 1px solid #dee2e6;
    }

    /* 페이지네이션 */
    .pagination {
        display: flex;
        justify-content: center;
        margin-top: 30px;
        gap: 5px;
    }

    .pagination a,
    .pagination span {
        display: inline-block;
        padding: 8px 12px;
        border: 1px solid #ddd;
        text-decoration: none;
        color: #3498db;
        border-radius: 4px;
        transition: all 0.3s ease;
    }

    .pagination a:hover {
        background: #f0f0f0;
        border-color: #3498db;
    }

    .pagination .current {
        background: #3498db;
        color: white;
        border-color: #3498db;
    }

    .pagination .disabled {
        color: #bdc3c7;
        cursor: not-allowed;
        background: #fff;
    }

    .pagination .disabled:hover {
        background: #fff;
        cursor: not-allowed;
    }

    /* 빈 상태 메시지 */
    .empty-message {
        text-align: center;
        padding: 40px;
        color: #888;
        font-style: italic;
        background: #f8f9fa;
        border-radius: 8px;
        margin: 20px 0;
    }

    .empty-message p {
        margin: 0 0 15px 0;
        font-size: 16px;
    }

    .empty-message a {
        color: #3498db;
        text-decoration: none;
        font-weight: 600;
    }

    .empty-message a:hover {
        text-decoration: underline;
    }

    /* 로딩 스피너 */
    .spinner {
        display: inline-block;
        width: 20px;
        height: 20px;
        border: 2px solid #f3f3f3;
        border-top: 2px solid #3498db;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }

        100% {
            transform: rotate(360deg);
        }
    }

    /* 반응형 디자인 */
    @media (max-width: 768px) {
        .content-wrapper {
            padding: 0 15px;
        }

        .page-body {
            padding: 20px 15px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            font-size: 16px;
            /* 모바일 최적화 */
        }

        .btn-group {
            flex-direction: column;
            gap: 8px;
        }

        .table {
            font-size: 14px;
        }

        .table th,
        .table td {
            padding: 8px 10px;
            font-size: 13px;
        }

        .pagination {
            gap: 3px;
        }

        .pagination a,
        .pagination span {
            padding: 6px 8px;
            font-size: 13px;
        }
    }

    @media (max-width: 480px) {
        .content-wrapper {
            padding: 0 10px;
        }

        .page-header {
            padding: 15px 20px;
        }

        .page-header h1 {
            font-size: 20px;
        }

        .page-header h2 {
            font-size: 18px;
        }

        .page-body {
            padding: 15px 10px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            font-size: 16px;
        }
    }

    /* 접근성 */
    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
    }

    /* 인쇄 최적화 */
    @media print {
        .page-container {
            box-shadow: none;
            border: 1px solid #000;
        }

        .btn {
            background: #000 !important;
            color: #fff !important;
            border: 1px solid #000;
        }

        .table {
            border: 1px solid #000;
        }

        .table th,
        .table td {
            border: 1px solid #000;
        }

        .alert {
            border: 1px solid #000;
        }

        .pagination {
            display: none;
        }
    }