/* =========================================
   7. 테이블 스타일
   ========================================= */

.table-container {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.table-wrapper {
    overflow-x: auto;
    position: relative;
}

/* ========== 기본 테이블 ========== */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--gray-50);
    position: sticky;
    top: 0;
    z-index: 10;
}

thead th {
    padding: var(--spacing-4);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
    vertical-align: middle;
}

tbody tr {
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
}

tbody tr:hover {
    background: var(--gray-50);
}

tbody tr:last-child {
    border-bottom: none;
}

tbody td {
    padding: var(--spacing-4);
    font-size: var(--text-sm);
    color: var(--gray-700);
    vertical-align: middle;
}

/* ========== 테이블 정렬 ========== */
th.text-center,
td.text-center {
    text-align: center;
}

th.text-right,
td.text-right {
    text-align: right;
}

/* ========== 정렬 가능한 헤더 ========== */
th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: var(--spacing-8);
}

th.sortable:hover {
    background: var(--gray-100);
}

th.sortable::after {
    content: '⇅';
    position: absolute;
    right: var(--spacing-3);
    opacity: 0.3;
    font-size: var(--text-sm);
}

th.sortable.asc::after {
    content: '↑';
    opacity: 1;
    color: var(--primary-600);
}

th.sortable.desc::after {
    content: '↓';
    opacity: 1;
    color: var(--primary-600);
}

/* ========== 테이블 액션 ========== */
.table-actions {
    display: flex;
    gap: var(--spacing-2);
    justify-content: flex-end;
}

.table-actions .btn,
.table-actions .btn-primary,
.table-actions .btn-secondary,
.table-actions .btn-danger,
.table-actions .btn-warning {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-xs);
}

/* ========== 테이블 상태 행 ========== */
tr.selected {
    background: var(--primary-50);
}

tr.disabled {
    opacity: 0.5;
}

tr.danger {
    background: var(--danger-50);
}

tr.warning {
    background: var(--warning-50);
}

tr.success {
    background: var(--success-50);
}

/* ========== 테이블 체크박스 ========== */
td.checkbox-cell,
th.checkbox-cell {
    width: 40px;
    padding: var(--spacing-3);
}

/* ========== 테이블 고정 열 ========== */
.table-fixed-column {
    position: sticky;
    left: 0;
    background: white;
    z-index: 5;
}

thead .table-fixed-column {
    z-index: 15;
}

.table-fixed-column::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--gray-200);
}

/* ========== 테이블 헤더 ========== */
.table-header {
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.table-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--gray-900);
}

.table-tools {
    display: flex;
    gap: var(--spacing-3);
}

/* ========== 테이블 푸터 ========== */
.table-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.table-pagination {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

.pagination-btn {
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    background: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

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

.pagination-btn.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.table-info {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

/* ========== 빈 테이블 ========== */
.table-empty {
    padding: var(--spacing-12);
    text-align: center;
    color: var(--gray-500);
}

.table-empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.table-empty-message {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--gray-700);
}

/* ========== 로딩 상태 ========== */
.table-loading {
    position: relative;
    min-height: 200px;
}

.table-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== 반응형 테이블 ========== */
@media (max-width: 768px) {
    .table-responsive {
        display: block;
    }
    
    .table-responsive table {
        display: block;
    }
    
    .table-responsive thead {
        display: none;
    }
    
    .table-responsive tbody {
        display: block;
    }
    
    .table-responsive tr {
        display: block;
        margin-bottom: var(--spacing-4);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        padding: var(--spacing-4);
        background: white;
    }
    
    .table-responsive tr:hover {
        background: white;
    }
    
    .table-responsive td {
        display: flex;
        justify-content: space-between;
        padding: var(--spacing-2) 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .table-responsive td:last-child {
        border-bottom: none;
    }
    
    .table-responsive td::before {
        content: attr(data-label);
        font-weight: var(--font-semibold);
        color: var(--gray-700);
        margin-right: var(--spacing-4);
    }
    
    .table-actions {
        justify-content: flex-end;
        width: 100%;
        margin-top: var(--spacing-2);
        flex-wrap: wrap;
    }
    
    .table-actions .btn {
        flex: 1;
        min-width: 80px;
    }
    
    .table-header {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: flex-start;
    }
    
    .table-tools {
        width: 100%;
        flex-direction: column;
    }
    
    .table-footer {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .table-pagination {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* ========== 프린트 스타일 ========== */
@media print {
    .table-actions,
    .table-tools,
    .table-pagination {
        display: none !important;
    }
    
    table {
        border: 1px solid black;
    }
    
    thead {
        background: #f0f0f0 !important;
    }
    
    tbody tr {
        page-break-inside: avoid;
    }
}