/**
 * TreeView Table Component - 100% INDEPENDENT
 * ============================================
 * Area 2: Historic Data Table
 * Displays: Date | Time | Value | Unit
 * 
 * Component Purpose: Tabular display of historic point data
 * Created: 2024-12-26
 * Version: 1.0
 */

/* COMPONENT ISOLATION CONTAINER */
.treeview-table-root {
    /* CSS Container Isolation */
    isolation: isolate;
    contain: layout style;
    
    /* Base styles */
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #374151;
    box-sizing: border-box;
    
    /* Layout */
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Ensure all child elements use component scoping */
.treeview-table-root *,
.treeview-table-root *::before,
.treeview-table-root *::after {
    box-sizing: border-box;
}

/* Component Variables */
.treeview-table-root {
    /* Colors */
    --table-primary: #2563EB;
    --table-gray-50: #F9FAFB;
    --table-gray-100: #F3F4F6;
    --table-gray-200: #E5E7EB;
    --table-gray-300: #D1D5DB;
    --table-gray-500: #6B7280;
    --table-gray-600: #4B5563;
    --table-gray-700: #374151;
    --table-gray-800: #1F2937;
    --table-white: #FFFFFF;
    
    /* Spacing */
    --table-spacing-xs: 0.25rem;
    --table-spacing-sm: 0.5rem;
    --table-spacing-md: 0.75rem;
    --table-spacing-lg: 1rem;
    
    /* Transitions */
    --table-transition-fast: 0.15s ease-in-out;
}

/* ============================================
   HEADER
   ============================================ */

.treeview-table-root .table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--table-spacing-lg);
    background: linear-gradient(135deg, var(--table-gray-50) 0%, var(--table-gray-100) 100%);
    border-bottom: 1px solid var(--table-gray-200);
    flex-shrink: 0;
}

.treeview-table-root .table-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--table-gray-800);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--table-spacing-sm);
}

.treeview-table-root .table-title i {
    color: var(--table-primary);
    font-size: 1.1rem;
}

.treeview-table-root .table-info {
    font-size: 0.75rem;
    color: var(--table-gray-600);
    margin-left: var(--table-spacing-sm);
}

.treeview-table-root .table-actions {
    display: flex;
    gap: var(--table-spacing-sm);
}

.treeview-table-root .table-btn {
    padding: var(--table-spacing-xs) var(--table-spacing-sm);
    background: var(--table-white);
    border: 1px solid var(--table-gray-300);
    border-radius: 4px;
    color: var(--table-gray-600);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--table-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--table-spacing-xs);
}

.treeview-table-root .table-btn:hover {
    background: var(--table-primary);
    color: var(--table-white);
    border-color: var(--table-primary);
}

.treeview-table-root .table-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   TABLE CONTAINER
   ============================================ */

.treeview-table-root .table-scroll-container {
    flex: 1;
    overflow-x: auto;
    overflow-y: auto;
    position: relative;
    min-height: 0; /* Critical for flex scroll */
}

.treeview-table-root .table-scroll-container::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.treeview-table-root .table-scroll-container::-webkit-scrollbar-track {
    background: var(--table-gray-100);
}

.treeview-table-root .table-scroll-container::-webkit-scrollbar-thumb {
    background: var(--table-gray-300);
    border-radius: 3px;
}

.treeview-table-root .table-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--table-gray-500);
}

/* ============================================
   TABLE STYLES
   ============================================ */

.treeview-table-root .data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.treeview-table-root .data-table thead {
    position: sticky;
    top: 0;
    background: var(--table-gray-50);
    z-index: 10;
}

.treeview-table-root .data-table th {
    padding: var(--table-spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--table-gray-700);
    border-bottom: 2px solid var(--table-gray-300);
    white-space: nowrap;
    background: var(--table-gray-50);
    user-select: none; /* Prevent text selection when clicking */
}

/* Sortable column header styles */
.treeview-table-root .data-table th.sortable {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.treeview-table-root .data-table th.sortable:hover {
    background: var(--table-gray-100);
}

.treeview-table-root .data-table th.sortable .sort-indicator {
    margin-left: 0.25rem;
    opacity: 0.5;
    font-size: 0.75rem;
}

.treeview-table-root .data-table th.sortable:hover .sort-indicator {
    opacity: 1;
}

.treeview-table-root .data-table th:first-child {
    padding-left: var(--table-spacing-lg);
}

.treeview-table-root .data-table th:last-child {
    padding-right: var(--table-spacing-lg);
}

.treeview-table-root .data-table td {
    padding: var(--table-spacing-sm) var(--table-spacing-md);
    border-bottom: 1px solid var(--table-gray-200);
    color: var(--table-gray-600);
    font-size: 0.875rem;
}

.treeview-table-root .data-table td:first-child {
    padding-left: var(--table-spacing-lg);
}

.treeview-table-root .data-table td:last-child {
    padding-right: var(--table-spacing-lg);
}

/* Status Column Styles */
.treeview-table-root .status-cell {
    text-align: center;
    font-size: 0.875rem;
}

.treeview-table-root .status-icon-ok {
    color: #10B981;
    font-size: 1rem;
}

.treeview-table-root .status-icon-warning {
    color: #F59E0B;
    font-size: 1rem;
}

.treeview-table-root .status-icon-danger {
    color: #EF4444;
    font-size: 1rem;
}

.treeview-table-root .data-table tbody tr {
    transition: background var(--table-transition-fast);
}

.treeview-table-root .data-table tbody tr:hover {
    background: var(--table-gray-50);
}

.treeview-table-root .data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Value column styling */
.treeview-table-root .data-table td.value-cell {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--table-gray-800);
}

/* Inspection cell styling - for text-based inspection values */
.treeview-table-root .data-table td.inspection-cell {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--table-gray-700);
    max-width: 300px;
    white-space: normal;
    word-wrap: break-word;
    line-height: 1.4;
    padding: var(--table-spacing-sm) var(--table-spacing-md);
}

/* Unit column styling */
.treeview-table-root .data-table td.unit-cell {
    color: var(--table-gray-600);
    font-size: 0.875rem;
}

/* Variation column styling */
.treeview-table-root .data-table th.var-column {
    text-align: center;
    color: var(--table-gray-700);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: help;
}

.treeview-table-root .data-table td.var-cell {
    text-align: center;
    font-size: 0.875rem;
    padding: var(--table-spacing-sm) var(--table-spacing-xs);
}

/* Variation icons */
.treeview-table-root .var-icon-up {
    color: #EF4444 !important; /* Red - value increased (higher vibration = worse) */
    font-weight: bold;
    font-size: 1rem;
}

.treeview-table-root .var-icon-down {
    color: #10B981 !important; /* Green - value decreased (lower vibration = better) */
    font-weight: bold;
    font-size: 1rem;
}

.treeview-table-root .var-icon-equal {
    color: var(--table-gray-400);
    font-size: 1rem;
}

.treeview-table-root .var-icon-na {
    color: var(--table-gray-300);
    font-size: 1rem;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.treeview-table-root .table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--table-spacing-lg);
    text-align: center;
    color: var(--table-gray-500);
    min-height: 200px;
}

.treeview-table-root .table-empty i {
    font-size: 3rem;
    color: var(--table-gray-300);
    margin-bottom: var(--table-spacing-md);
}

.treeview-table-root .table-empty-text {
    font-size: 0.875rem;
    color: var(--table-gray-600);
}

/* ============================================
   LOADING STATE
   ============================================ */

.treeview-table-root .table-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--table-spacing-lg);
    min-height: 200px;
}

.treeview-table-root .table-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--table-gray-200);
    border-top: 3px solid var(--table-primary);
    border-radius: 50%;
    animation: table-spin 1s linear infinite;
}

@keyframes table-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.treeview-table-root .table-loading-text {
    margin-top: var(--table-spacing-md);
    font-size: 0.875rem;
    color: var(--table-gray-600);
}

/* ============================================
   FOOTER (Pagination/Stats)
   ============================================ */

.treeview-table-root .table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--table-spacing-md) var(--table-spacing-lg);
    border-top: 1px solid var(--table-gray-200);
    background: var(--table-gray-50);
    flex-shrink: 0;
}

.treeview-table-root .table-stats {
    font-size: 0.75rem;
    color: var(--table-gray-600);
}

.treeview-table-root .table-pagination {
    display: flex;
    gap: var(--table-spacing-xs);
}

.treeview-table-root .table-page-btn {
    padding: var(--table-spacing-xs) var(--table-spacing-sm);
    background: var(--table-white);
    border: 1px solid var(--table-gray-300);
    border-radius: 4px;
    color: var(--table-gray-600);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--table-transition-fast);
}

.treeview-table-root .table-page-btn:hover:not(:disabled) {
    background: var(--table-primary);
    color: var(--table-white);
    border-color: var(--table-primary);
}

.treeview-table-root .table-page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .treeview-table-root .table-header {
        padding: var(--table-spacing-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--table-spacing-sm);
    }
    
    .treeview-table-root .table-title {
        font-size: 0.9rem;
    }
    
    .treeview-table-root .data-table th,
    .treeview-table-root .data-table td {
        padding: var(--table-spacing-sm);
        font-size: 0.8rem;
    }
    
    .treeview-table-root .table-footer {
        flex-direction: column;
        gap: var(--table-spacing-sm);
        align-items: flex-start;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.treeview-table-root .data-table tbody tr:focus-within {
    outline: 2px solid var(--table-primary);
    outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
    .treeview-table-root * {
        transition: none !important;
        animation: none !important;
    }
}