/* ═══════════════════════════════════════════════════════════════════════════
   iGeouz Admin Dashboard — Premium Analytics UI
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --admin-card-bg: #ffffff;
    --admin-card-border: rgba(0, 0, 0, 0.06);
    --admin-card-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    --admin-section-border: rgba(0, 0, 0, 0.08);
    --admin-header-bg: rgba(0, 0, 0, 0.02);
    --admin-list-item-bg: #f8fafc;
    --admin-table-border: rgba(0, 0, 0, 0.04);
    --admin-input-bg: #ffffff;
    --admin-input-border: rgba(0, 0, 0, 0.1);
    --admin-map-bg: #f1f5f9;
}

[data-theme="dark"] {
    --admin-card-bg: rgba(255, 255, 255, 0.03);
    --admin-card-border: rgba(255, 255, 255, 0.06);
    --admin-card-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    --admin-section-border: rgba(255, 255, 255, 0.06);
    --admin-header-bg: rgba(255, 255, 255, 0.02);
    --admin-list-item-bg: rgba(0, 0, 0, 0.15);
    --admin-table-border: rgba(255, 255, 255, 0.04);
    --admin-input-bg: rgba(0, 0, 0, 0.2);
    --admin-input-border: rgba(255, 255, 255, 0.08);
    --admin-map-bg: rgba(0, 5, 20, 0.4);
}

/* ── Command Center Header ─────────────────────────────────────────────── */
.admin-command-center {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.admin-stat-card {
    position: relative;
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    backdrop-filter: blur(12px);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s, background 0.3s;
    box-shadow: var(--admin-card-shadow);
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: 16px 16px 0 0;
}

.admin-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

[data-theme="dark"] .admin-stat-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.admin-stat-card .stat-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.admin-stat-card .stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.admin-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    font-family: var(--font-heading);
}

.admin-stat-card .stat-trend {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Color variants */
.stat-blue::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.stat-blue .stat-icon { background: rgba(59,130,246,0.15); color: #60a5fa; }
.stat-blue .stat-value { color: #60a5fa; }

.stat-green::before { background: linear-gradient(90deg, #10b981, #34d399); }
.stat-green .stat-icon { background: rgba(16,185,129,0.15); color: #34d399; }
.stat-green .stat-value { color: #34d399; }

.stat-purple::before { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.stat-purple .stat-icon { background: rgba(139,92,246,0.15); color: #a78bfa; }
.stat-purple .stat-value { color: #a78bfa; }

.stat-orange::before { background: linear-gradient(90deg, #f97316, #fb923c); }
.stat-orange .stat-icon { background: rgba(249,115,22,0.15); color: #fb923c; }
.stat-orange .stat-value { color: #fb923c; }

.stat-pink::before { background: linear-gradient(90deg, #ec4899, #f472b6); }
.stat-pink .stat-icon { background: rgba(236,72,153,0.15); color: #f472b6; }
.stat-pink .stat-value { color: #f472b6; }

.stat-cyan::before { background: linear-gradient(90deg, #06b6d4, #22d3ee); }
.stat-cyan .stat-icon { background: rgba(6,182,212,0.15); color: #22d3ee; }
.stat-cyan .stat-value { color: #22d3ee; }

/* Live pulse indicator */
.live-pulse {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse-glow 2s ease-in-out infinite;
    margin-right: 6px;
    vertical-align: middle;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
    50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

/* ── Animated Counter ──────────────────────────────────────────────────── */
.counter-animate {
    transition: all 0.6s cubic-bezier(0.4,0,0.2,1);
}

/* ── Section Headers ───────────────────────────────────────────────────── */
.admin-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--admin-section-border);
}

.admin-section-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.admin-section-header .section-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
}

/* ── Charts Grid ───────────────────────────────────────────────────────── */
.admin-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.admin-chart-card {
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    backdrop-filter: blur(8px);
    box-shadow: var(--admin-card-shadow);
}

.admin-chart-card h5 {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-chart-card h5 i {
    opacity: 0.6;
}

/* ── Map Section ───────────────────────────────────────────────────────── */
.admin-map-section {
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--admin-map-bg);
    border: 1px solid var(--admin-card-border);
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--admin-card-shadow);
}

.map-metric-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.map-metric-btn {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--admin-input-border);
    background: var(--admin-input-bg);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    font-family: var(--font-body);
}

.map-metric-btn:hover {
    background: rgba(59,130,246,0.15);
    border-color: rgba(59,130,246,0.3);
    color: #93c5fd;
}

.map-metric-btn.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-color: #3b82f6;
    color: #fff;
    box-shadow: 0 2px 12px rgba(59,130,246,0.3);
}

/* ── Region Detail Panel ───────────────────────────────────────────────── */
.region-detail-panel {
    position: fixed;
    top: 0; right: -480px;
    width: 460px;
    max-width: 95vw;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--admin-card-border);
    z-index: 10000;
    overflow-y: auto;
    transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
    padding: 2rem;
}

.region-detail-panel.open {
    right: 0;
}

.region-detail-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.region-detail-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.region-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.region-panel-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-blue);
    font-family: var(--font-heading);
}

.region-close-btn {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--admin-header-bg);
    border: 1px solid var(--admin-card-border);
    color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.25s;
}

.region-close-btn:hover {
    background: rgba(239,68,68,0.15);
    color: #ef4444;
    border-color: rgba(239,68,68,0.3);
}

.region-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.region-stat-item {
    padding: 1rem;
    border-radius: 12px;
    background: var(--admin-list-item-bg);
    border: 1px solid var(--admin-card-border);
    text-align: center;
}

.region-stat-item .rs-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.region-stat-item .rs-value {
    font-size: 1.5rem;
    font-weight: 800;
}

/* ── Analytics Cards Row ───────────────────────────────────────────────── */
.admin-analytics-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.admin-analytics-card {
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    box-shadow: var(--admin-card-shadow);
}

.admin-analytics-card h5 {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analytics-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.analytics-list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    background: var(--admin-list-item-bg);
    transition: background 0.2s;
}

.analytics-list-item:hover {
    background: var(--admin-card-bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.analytics-list-item .ali-rank {
    width: 28px; height: 28px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    background: var(--admin-header-bg);
    color: var(--text-muted);
    flex-shrink: 0;
    border: 1px solid var(--admin-card-border);
}

.analytics-list-item .ali-info {
    flex: 1;
    min-width: 0;
}

.analytics-list-item .ali-info .ali-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.analytics-list-item .ali-info .ali-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.analytics-list-item .ali-value {
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* ── Users Table Enhanced ──────────────────────────────────────────────── */
.admin-users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.admin-users-table th {
    padding: 0.75rem 0.75rem;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--admin-table-border);
    cursor: pointer;
    transition: color 0.2s;
    white-space: nowrap;
}

.admin-users-table th:hover {
    color: var(--accent-blue);
}

.admin-users-table tbody tr {
    border-bottom: 1px solid var(--admin-table-border);
    cursor: pointer;
    transition: background 0.2s;
}

.admin-users-table tbody tr:hover {
    background: rgba(16, 185, 129, 0.04);
}

.admin-users-table td {
    padding: 0.7rem 0.75rem;
    white-space: nowrap;
}

.user-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
}

.user-status-badge.active {
    background: rgba(16,185,129,0.15);
    color: #34d399;
}

.user-status-badge.inactive {
    background: rgba(107,114,128,0.15);
    color: #9ca3af;
}

/* ── User Detail Modal Enhanced ────────────────────────────────────────── */
.user-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.user-detail-stat {
    padding: 1rem;
    border-radius: 12px;
    background: var(--admin-list-item-bg);
    border: 1px solid var(--admin-card-border);
    text-align: center;
}

.user-detail-stat .uds-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.user-detail-stat .uds-value {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.2;
}

.user-detail-section {
    padding: 1.5rem;
    border-radius: 14px;
    background: var(--admin-list-item-bg);
    margin-bottom: 1.5rem;
    border: 1px solid var(--admin-card-border);
}

.user-detail-section h5 {
    font-size: 0.82rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Timeline */
.activity-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    background: var(--admin-header-bg);
    font-size: 0.82rem;
    border-left: 3px solid transparent;
}

.timeline-item.type-session_start { border-left-color: #10b981; }
.timeline-item.type-session_end { border-left-color: #6b7280; }
.timeline-item.type-page_visit { border-left-color: #3b82f6; }
.timeline-item.type-quiz { border-left-color: #8b5cf6; }
.timeline-item.type-book_rated { border-left-color: #f59e0b; }

.timeline-time {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 85px;
}

.timeline-content {
    flex: 1;
}

/* Page visits bar */
.page-visit-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.page-visit-bar .pvb-name {
    width: 120px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.page-visit-bar .pvb-bar-container {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: var(--admin-header-bg);
    overflow: hidden;
}

.page-visit-bar .pvb-bar {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
}

.page-visit-bar .pvb-count {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 40px;
    text-align: right;
}

/* Engagement gauge */
.engagement-gauge {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 10px;
    background: var(--admin-list-item-bg);
    margin-bottom: 0.5rem;
    border: 1px solid var(--admin-card-border);
}

.gauge-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 130px;
}

.gauge-bar-container {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--admin-header-bg);
    overflow: hidden;
}

.gauge-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.4,0,0.2,1);
}

.gauge-value {
    font-size: 0.82rem;
    font-weight: 800;
    min-width: 45px;
    text-align: right;
}

/* ── Search Bar Enhanced ───────────────────────────────────────────────── */
.admin-search-wrapper {
    position: relative;
    max-width: 500px;
    margin-bottom: 1.5rem;
}

.admin-search-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
}

.admin-search-input {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 44px;
    border: 1px solid var(--admin-input-border);
    border-radius: 14px;
    background: var(--admin-input-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.admin-search-input:focus {
    outline: none;
    border-color: rgba(59,130,246,0.4);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .admin-command-center {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    .admin-stat-card {
        padding: 1rem;
    }
    .admin-stat-card .stat-value {
        font-size: 1.5rem;
    }
    .admin-charts-grid {
        grid-template-columns: 1fr;
    }
    .admin-analytics-cards {
        grid-template-columns: 1fr;
    }
    .region-detail-panel {
        width: 100%;
        right: -100%;
    }
    .map-metric-selector {
        gap: 0.35rem;
    }
    .map-metric-btn {
        padding: 0.4rem 0.7rem;
        font-size: 0.7rem;
    }
    .user-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .admin-command-center {
        grid-template-columns: 1fr;
    }
    .region-stat-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Flashcard Stats (Admin) ─────────────────────────────────────────── */
.admin-fc-stats-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 1rem;
}

.admin-fc-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    background: var(--admin-list-item-bg);
    border: 1px solid var(--admin-card-border);
    gap: 1.5rem;
    transition: all 0.2s ease;
}

.admin-fc-row:hover {
    transform: translateX(4px);
    background: var(--admin-card-bg);
    box-shadow: var(--admin-card-shadow);
}

.afc-info {
    flex: 1;
    min-width: 0;
}

.afc-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.afc-name i {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.afc-author {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.afc-metrics {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.afc-metric-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.afc-metric-item i {
    color: var(--text-muted);
}

.afc-rating {
    color: var(--accent-yellow, #fbbf24);
}

@media (max-width: 640px) {
    .admin-fc-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .afc-metrics {
        width: 100%;
        justify-content: space-between;
    }
}