/* VVUSD Community Engagement Dashboard - Styles */

:root {
    --main-bg: #F9FAFB;
    --card-bg: #FFFFFF;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --brand-primary: #173462;
    --brand-secondary: #10B981;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 2px 4px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.75rem;

    /* Glass + glow effects */
    --glass-bg: rgba(255,255,255,0.65);
    --glass-stroke: rgba(255,255,255,0.8);
    --glass-shadow: 0 10px 15px rgba(2, 6, 23, 0.06);
    --glow-1: #3b82f6;
    --glow-2: #1d4ed8;
    --glow-3: #06b6d4;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--main-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

/* ============================================
   TOP NAVIGATION
   ============================================ */

.top-nav {
    background-color: #111827;
    background-image:
        linear-gradient(rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.9)),
        linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    color: #FFFFFF;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-meta {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

/* Tab System - uses ui-tab-btn / ui-tab-content from UI library */

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   KPI CARDS
   ============================================ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.kpi-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.kpi-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-stroke);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.kpi-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
    border-radius: var(--radius);
    pointer-events: none;
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow:
        0 8px 25px rgba(59, 130, 246, 0.12),
        0 0 0 1px rgba(59, 130, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.kpi-title {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0.25rem 0;
    position: relative;
    z-index: 1;
}

.kpi-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* ============================================
   CHART CONTAINERS
   ============================================ */

.charts-row {
    margin-bottom: 1.5rem;
}

.charts-row-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-container {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-stroke);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.chart-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
    border-radius: var(--radius);
    pointer-events: none;
}

.chart-large { margin-bottom: 0; }
.chart-half { margin-bottom: 0; }

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.chart-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.chart-canvas-container {
    position: relative;
    z-index: 1;
    height: 320px;
}

.chart-canvas-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Time Period / Category Buttons - uses ui-time-btn from UI library */

/* ============================================
   THREE COLUMN LAYOUT
   ============================================ */

.overview-three-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.donut-chart-card,
.leaderboard-card,
.heatmap-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-stroke);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.donut-chart-card::before,
.leaderboard-card::before,
.heatmap-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
    border-radius: var(--radius);
    pointer-events: none;
}

.donut-container {
    position: relative;
    z-index: 1;
    height: 280px;
}

.donut-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ============================================
   LEADERBOARD
   ============================================ */

.leaderboard-list {
    position: relative;
    z-index: 1;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.rank-1 { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #fff; }
.rank-2 { background: linear-gradient(135deg, #94a3b8, #64748b); color: #fff; }
.rank-3 { background: linear-gradient(135deg, #d97706, #b45309); color: #fff; }
.rank-default { background: #f3f4f6; color: var(--text-secondary); }

.leaderboard-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-primary);
}

.leaderboard-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

/* ============================================
   HEATMAP
   ============================================ */

.heatmap-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16px, 1fr));
    gap: 3px;
    margin: 0.5rem 0;
}

.heatmap-grid.heatmap-month-view {
    grid-template-columns: repeat(7, 1fr);
}

.heatmap-cell {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 3px;
    cursor: pointer;
    transition: transform 0.1s ease;
}

.heatmap-cell:hover {
    transform: scale(1.2);
}

.heatmap-cell[data-level="0"] { background-color: #ebedf0; }
.heatmap-cell[data-level="1"] { background-color: #9be9a8; }
.heatmap-cell[data-level="2"] { background-color: #40c463; }
.heatmap-cell[data-level="3"] { background-color: #30a14e; }
.heatmap-cell[data-level="4"] { background-color: #216e39; }

.heatmap-month-filters {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Heatmap month buttons - uses ui-time-btn from UI library */

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
    margin-top: 0.5rem;
    position: relative;
    z-index: 1;
}

.heatmap-legend-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.heatmap-cell-legend {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    display: inline-block;
}

.heatmap-summary {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    position: relative;
    z-index: 1;
}

/* Heatmap Tooltip */
.heatmap-tooltip {
    position: fixed;
    background: rgba(17, 24, 39, 0.9);
    color: white;
    padding: 0.375rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ============================================
   TABLES
   ============================================ */

.table-wrapper {
    overflow-x: auto;
    position: relative;
    z-index: 1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}

.data-table th {
    background: #f8fafc;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--border-color);
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    color: var(--brand-primary);
}

.data-table td {
    padding: 0.625rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

.data-table .loading-cell {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

/* Table Controls */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.table-search {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.85rem;
    width: 280px;
    background: white;
    transition: border-color 0.2s;
}

.table-search:focus {
    outline: none;
    border-color: var(--glow-1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.per-page-select {
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.8rem;
    background: white;
}

/* Pagination buttons - uses ui-btn ui-btn--outline ui-btn--sm from UI library */

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-completed { background: #d1fae5; color: #065f46; }
.status-active { background: #dbeafe; color: #1e40af; }

/* Category Badges */
.category-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 500;
}

.cat-elementary { background: #d1fae5; color: #065f46; }
.cat-middle { background: #fef3c7; color: #92400e; }
.cat-high { background: #dbeafe; color: #1e40af; }
.cat-community { background: #ede9fe; color: #5b21b6; }
.cat-district { background: #f3f4f6; color: #374151; }
.cat-other { background: #f3f4f6; color: #6b7280; }

/* ============================================
   FILTERS
   ============================================ */

.filter-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-select,
.filter-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.85rem;
    background: white;
    min-width: 180px;
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--glow-1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Filter reset button - uses ui-btn ui-btn--outline from UI library */

/* ============================================
   SITE SELECTOR
   ============================================ */

.site-selector-container {
    margin-bottom: 1.5rem;
}

.site-selector {
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    background: white;
    width: 100%;
    max-width: 400px;
}

.site-selector:focus {
    outline: none;
    border-color: var(--glow-1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Site Detail */
.site-detail { margin-top: 2rem; }
.hidden { display: none; }

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

@media (max-width: 1400px) {
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1200px) {
    .overview-three-col { grid-template-columns: 1fr 1fr; }
    .heatmap-card { grid-column: 1 / -1; }
    .charts-row-two { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    .top-nav {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem;
    }
    .ui-tabs.dashboard-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .overview-three-col { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-content { padding: 1rem; }
    .header h1 { font-size: 1.375rem; }
    .kpi-value { font-size: 1.75rem; }
    .filter-container { flex-direction: column; }
    .filter-select, .filter-input { min-width: auto; width: 100%; }
    .table-controls { flex-direction: column; gap: 0.75rem; }
    .table-search { width: 100%; }
    .ui-tab-btn { width: 120px; height: 40px; }
    .ui-tab-content { font-size: 0.8rem; padding: 0.375rem 0.75rem; }
}