/* Quran Ring Analysis Dashboard Styles */

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-card: #1e2d3d;
    --bg-hover: #253545;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #6b7280;
    --accent-gold: #d4a843;
    --accent-teal: #2dd4bf;
    --accent-blue: #3b82f6;
    --accent-purple: #a78bfa;
    --accent-rose: #f472b6;
    --accent-orange: #f97316;
    --border-color: #2a3a4a;
    --ring-high: #22c55e;
    --ring-mid: #eab308;
    --ring-low: #ef4444;
    --font-arabic: 'Amiri', 'Traditional Arabic', serif;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-gold);
}

.header h1 span {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 1rem;
    margin-left: 0.75rem;
}

.header-stats {
    display: flex;
    gap: 2rem;
}

.header-stat {
    text-align: center;
}

.header-stat .value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-teal);
    font-family: var(--font-mono);
}

.header-stat .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation */
.nav-tabs {
    display: flex;
    gap: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
}

.nav-tab {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-tab.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

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

.tab-content {
    display: none;
}

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

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

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

/* Stat boxes */
.stat-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.stat-box .stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-teal);
}

.stat-box .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* Surah heatmap */
.heatmap-container {
    display: grid;
    grid-template-columns: repeat(19, 1fr);
    gap: 3px;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.15s, box-shadow 0.15s;
    min-width: 0;
}

.heatmap-cell:hover {
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(212, 168, 67, 0.5);
    z-index: 10;
}

.heatmap-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--accent-gold);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    z-index: 100;
    font-size: 0.75rem;
    pointer-events: none;
}

.heatmap-cell:hover .heatmap-tooltip {
    display: block;
}

/* Top rings table */
.rings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.rings-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rings-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(42, 58, 74, 0.5);
}

.rings-table tr:hover td {
    background: var(--bg-hover);
}

.rings-table .z-score {
    font-family: var(--font-mono);
    font-weight: 600;
}

.rings-table .ring-type-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-ayah_level { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.badge-two_ayah_center { background: rgba(167, 139, 250, 0.2); color: var(--accent-purple); }
.badge-window { background: rgba(45, 212, 191, 0.2); color: var(--accent-teal); }
.badge-section { background: rgba(14, 165, 233, 0.2); color: #0ea5e9; }
.badge-surah_macro { background: rgba(212, 168, 67, 0.2); color: var(--accent-gold); }
.badge-cross_surah { background: rgba(244, 114, 182, 0.2); color: var(--accent-rose); }
.badge-contrastive { background: rgba(249, 115, 22, 0.2); color: var(--accent-orange); }
.badge-parallel { background: rgba(16, 185, 129, 0.2); color: #10b981; }

/* Surah browser */
.surah-selector {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.surah-selector select {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.surah-selector select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.filter-btn {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn.active {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
}

/* Arc diagram */
.arc-container {
    width: 100%;
    overflow-x: auto;
}

.arc-container svg {
    display: block;
}

.arc-container .arc {
    fill: none;
    stroke-width: 2;
    opacity: 0.7;
    cursor: pointer;
    transition: opacity 0.2s, stroke-width 0.2s;
}

.arc-container .arc:hover {
    opacity: 1;
    stroke-width: 3.5;
}

.arc-container .ayah-marker {
    cursor: pointer;
}

.arc-container .center-marker {
    fill: var(--accent-gold);
    opacity: 0.8;
}

/* Ring detail panel */
.ring-detail {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.ring-detail .ring-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ring-detail .ring-id {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-gold);
}

.ring-detail .ring-metrics {
    display: flex;
    gap: 1.5rem;
}

.ring-detail .metric {
    text-align: center;
}

.ring-detail .metric .value {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-teal);
}

.ring-detail .metric .label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Layer display */
.layer-row {
    display: grid;
    grid-template-columns: 50px 1fr 80px 1fr;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(42, 58, 74, 0.5);
    align-items: start;
}

.layer-row:last-child {
    border-bottom: none;
}

.layer-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-top: 0.25rem;
}

.layer-ayah {
    font-size: 0.85rem;
}

.layer-ayah .arabic {
    font-family: var(--font-arabic);
    font-size: 1.1rem;
    line-height: 1.8;
    direction: rtl;
    color: var(--text-primary);
}

.layer-ayah .english {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.layer-ayah .ref {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-gold);
}

.layer-sim {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding-top: 0.25rem;
}

.center-display {
    background: rgba(212, 168, 67, 0.1);
    border: 1px solid rgba(212, 168, 67, 0.3);
    border-radius: 6px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.center-display .center-label {
    font-size: 0.7rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.center-display .arabic {
    font-family: var(--font-arabic);
    font-size: 1.3rem;
    line-height: 2;
    direction: rtl;
}

.center-display .english {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Distribution chart */
.chart-container {
    height: 200px;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    padding: 0 0.5rem;
    overflow: hidden;
}

.chart-bar {
    flex: 1;
    background: var(--accent-teal);
    border-radius: 2px 2px 0 0;
    min-width: 0;
    transition: background 0.2s;
    position: relative;
}

.chart-bar:hover {
    background: var(--accent-gold);
}

/* Loading state */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .heatmap-container { grid-template-columns: repeat(12, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .header { flex-direction: column; gap: 1rem; }
    .layer-row { grid-template-columns: 1fr; }
}

/* Tooltips — generic info-icon tooltip for metrics, labels, and controls */
.has-tooltip {
    position: relative;
    cursor: help;
}

.has-tooltip .info-tip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--accent-gold);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    z-index: 200;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.has-tooltip .info-tip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--accent-gold);
}

.has-tooltip:hover .info-tip {
    display: block;
}

/* Info icon (small circled ?) */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--text-muted);
    font-size: 0.6rem;
    color: var(--text-muted);
    cursor: help;
    flex-shrink: 0;
    font-family: var(--font-mono);
    line-height: 1;
}

.has-tooltip:hover .info-icon {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Expandable detailed explanation */
.explanation-box {
    background: rgba(45, 212, 191, 0.08);
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.explanation-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.5rem;
    padding: 0;
    border: none;
    background: none;
    color: var(--accent-teal);
    font-size: 0.78rem;
    cursor: pointer;
    font-family: var(--font-main);
}

.explanation-toggle:hover {
    color: var(--accent-gold);
}

.explanation-toggle .toggle-arrow {
    display: inline-block;
    transition: transform 0.2s;
    font-size: 0.65rem;
}

.explanation-toggle.expanded .toggle-arrow {
    transform: rotate(90deg);
}

.detailed-explanation {
    display: none;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(45, 212, 191, 0.15);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.detailed-explanation.visible {
    display: block;
}

.detailed-explanation p {
    margin-bottom: 0.6rem;
}

.detailed-explanation p:last-child {
    margin-bottom: 0;
}

/* Explanation preview in ring list items */
.ring-explanation-preview {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Collapsible layers */
.layer-collapsible {
    border-bottom: 1px solid rgba(42, 58, 74, 0.5);
}

.layer-collapsible:last-child {
    border-bottom: none;
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.25rem;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 0.8rem;
}

.layer-header:hover {
    background: var(--bg-hover);
}

.layer-header-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    width: 28px;
    flex-shrink: 0;
}

.layer-header-ref {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-gold);
}

.layer-header-arrow {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.layer-header-sim {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
}

.layer-header-type {
    font-size: 0.65rem;
    color: var(--text-muted);
    width: 80px;
    text-align: right;
}

.layer-expand-icon {
    font-size: 0.55rem;
    color: var(--text-muted);
    transition: transform 0.2s;
    margin-left: 0.25rem;
}

.layer-collapsible.expanded .layer-expand-icon {
    transform: rotate(90deg);
}

.layer-body {
    display: none;
    padding: 0 0.25rem 0.5rem;
}

.layer-collapsible.expanded .layer-body {
    display: block;
}

/* Sort buttons */
.sort-group {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.sort-btn {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.15rem 0.5rem;
    font-size: 0.65rem;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-main);
}

.sort-btn:hover {
    color: var(--text-secondary);
    border-color: var(--text-muted);
}

.sort-btn.active {
    background: var(--accent-teal);
    color: var(--bg-primary);
    border-color: var(--accent-teal);
}

/* Filter button tooltips — positioned below */
.filter-btn.has-tooltip .info-tip {
    bottom: auto;
    top: calc(100% + 8px);
}

.filter-btn.has-tooltip .info-tip::after {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: var(--accent-gold);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}