/* ═══════════════════════════════════════════════════════════
   Mobile Responsive Styles — Narnia Labs AI Benchmark
   Breakpoint: 768px (mobile), existing 900px (tablet) untouched
   PC impact: NONE — all rules inside @media queries
   ═══════════════════════════════════════════════════════════ */

/* ── PC: hide mobile-only elements ── */
@media (min-width: 769px) {
  .nav-hamburger { display: none !important; }
  .sidebar-toggle { display: none !important; }
  .sidebar-backdrop { display: none !important; }
}

/* ═══════════════════════════════════════════════════════════
   MOBILE — max-width: 768px
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Base ── */
  html {
    -webkit-user-select: auto !important;
    user-select: auto !important;
  }

  /* Safe area insets for notched devices (iPhone X+) */
  .nav-bar {
    padding-top: max(10px, env(safe-area-inset-top)) !important;
  }
  .page-footer {
    padding-bottom: max(16px, env(safe-area-inset-bottom)) !important;
  }
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .page-content {
    padding: 12px 10px 20px !important;
  }

  /* Fixed background causes scroll jank on mobile */
  body {
    background-attachment: scroll !important;
  }

  /* Hide glow effects — fixed radial-gradient hurts mobile GPU */
  .glow1, .glow2 {
    display: none !important;
  }

  /* ──────────────────────────────────────────────────────────
     Navigation — Hamburger Menu
     ────────────────────────────────────────────────────────── */
  .nav-bar {
    padding: 10px 14px;
  }

  .nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    flex-shrink: 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,5,32,0.98);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 8px 14px;
    z-index: 99;
  }

  .nav-links.mobile-open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 14px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* ──────────────────────────────────────────────────────────
     Touch Targets — min 44px per Apple HIG
     ────────────────────────────────────────────────────────── */
  .filter-pill {
    padding: 8px 16px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  /* Override: leaderboard unified filters use tighter pills (wins over 44px above) */
  .lb-filters .filter-pill {
    padding: 4px 10px !important;
    min-height: 32px !important;
    font-size: 12px !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
  }

  .tree-item {
    padding: 10px 12px;
    min-height: 44px;
  }

  .gf-pill {
    padding: 6px 11px;
    min-height: 40px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
  }

  /* ──────────────────────────────────────────────────────────
     Font Size Adjustments
     ────────────────────────────────────────────────────────── */
  .section-label { font-size: 12px; }
  .perf-label { font-size: 11px; }
  .data-table { font-size: 12px; }
  .data-table thead th { font-size: 11px; }
  .data-table .type-cell { font-size: 11px; }
  .metric-tag { font-size: 11px; }
  .model-bar-overlay { font-size: 11px; }
  .model-bar-info { font-size: 11px; }
  .visual-card-label { font-size: 11px; }
  .compare-row-label .sub { font-size: 11px; }
  .page-footer .text { font-size: 11px; }

  /* ──────────────────────────────────────────────────────────
     Data Table — horizontal scroll hint
     ────────────────────────────────────────────────────────── */
  .data-table-wrapper {
    position: relative;
  }

  .data-table-wrapper::after {
    content: '\2190 scroll \2192';
    display: block;
    text-align: right;
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    padding: 4px 4px 0;
  }

  /* ──────────────────────────────────────────────────────────
     Image Grid — 2 columns on mobile
     ────────────────────────────────────────────────────────── */
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
  }

  /* ══════════════════════════════════════════════════════════
     INDEX.HTML — Overview Page
     ══════════════════════════════════════════════════════════ */

  /* TF Statement principles: 3 cols → 1 col */
  #principles-row {
    flex-direction: column !important;
    gap: 12px !important;
  }

  /* Mission + KPI: 2 cols → 1 col */
  #mission-kpi-row {
    flex-direction: column !important;
  }

  /* KPI stats: wrap + hide separator */
  #kpi-stats {
    flex-wrap: wrap !important;
    gap: 12px !important;
    justify-content: center !important;
  }
  .kpi-separator {
    display: none !important;
  }

  /* Pipeline: horizontal → vertical, hide arrows, uniform width */
  #pipeline-section > .flex {
    flex-direction: column !important;
    gap: 10px !important;
    align-items: stretch !important;
  }
  #pipeline-section > .flex > svg {
    display: none;
  }

  /* Domain Cards: 3 cols → 1 col */
  #domain-cards-row {
    flex-direction: column !important;
  }
  .domain-card {
    min-width: 100% !important;
  }

  /* Roadmap: 4 cols → 2×2 grid */
  #roadmap-items {
    flex-wrap: wrap !important;
  }
  #roadmap-items .roadmap-item {
    flex: 1 1 calc(50% - 4px) !important;
    min-width: calc(50% - 4px);
  }

  /* Key Issues: horizontal → vertical */
  #key-issues-row {
    flex-direction: column !important;
  }

  /* ══════════════════════════════════════════════════════════
     LEADERBOARD.HTML
     ══════════════════════════════════════════════════════════ */

  /* Unified filter box — compact like inference-explorer */
  .lb-filters {
    padding: 12px 14px !important;
  }

  .lb-filter-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 6px !important;
  }

  /* Separator lines between filter rows — thinner on mobile */
  .lb-filter-row + .lb-filter-row {
    margin-top: 8px !important;
    padding-top: 8px !important;
  }

  .lb-filters .filter-group {
    flex-wrap: wrap;
    row-gap: 4px;
    gap: 5px;
  }
  .lb-filters .pill-wrap {
    gap: 5px;
  }

  /* (pill sizing consolidated into .lb-filters .filter-pill above) */

  /* Compact label — full-width to push pills to next line */
  .lb-filters .filter-label {
    font-size: 12px;
    letter-spacing: 1px;
    margin-right: 0;
    color: rgba(255,255,255,0.45);
    width: 100%;
  }

  /* Chart section: 2 cols → 1 col */
  #chart-section {
    flex-direction: column !important;
  }

  #chart-section .chart-container {
    height: 240px !important;
  }

  /* Visual section header: wrap label + sample filter */
  #visual-section > .flex.justify-between {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }

  /* compare-row: stack label above images */
  .compare-row {
    flex-direction: column !important;
  }
  .compare-row-label {
    width: 100% !important;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 4px;
  }
  .compare-row-images {
    width: 100% !important;
  }
  .compare-row-images img {
    width: calc(50% - 4px) !important;
    height: auto !important;
    aspect-ratio: 1;
  }

  /* Metrics table: force horizontal scroll instead of compact truncation */
  .data-table-wrapper:has(.compact-metrics) {
    overflow-x: auto !important;
  }
  #metrics-table.compact-metrics {
    table-layout: auto !important;
    width: max-content !important;
  }
  #metrics-table.compact-metrics tbody td {
    max-width: none !important;
    overflow: visible !important;
    text-overflow: unset !important;
    white-space: nowrap !important;
  }
  #metrics-table.compact-metrics .model-cell {
    overflow: visible !important;
    text-overflow: unset !important;
  }
  #metrics-table.compact-metrics thead th {
    white-space: nowrap !important;
    overflow: visible !important;
    text-overflow: unset !important;
  }

  /* 3D viewer height reduction */
  .lb-pc-wrap {
    height: 240px !important;
  }

  /* ══════════════════════════════════════════════════════════
     INFERENCE-EXPLORER.HTML
     ══════════════════════════════════════════════════════════ */

  /* ── Sidebar Drawer ── */
  .explorer-sidebar {
    position: fixed !important;
    left: 0;
    top: 0;
    height: 100vh !important;
    max-height: 100vh !important;
    max-width: 70vw;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    background: rgba(10,5,32,0.98) !important;
    padding-top: max(60px, calc(54px + env(safe-area-inset-top))) !important;
    border-right: 1px solid var(--border-subtle);
    border-radius: 0 !important;
    -webkit-mask-image: none;
    mask-image: none;
  }

  body.sidebar-open .explorer-sidebar {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
  }

  body.sidebar-open .sidebar-backdrop {
    display: block;
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: #a78bfa;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    min-height: 44px;
  }

  /* Main content: full width when sidebar is hidden */
  .explorer-main {
    width: 100% !important;
  }

  /* ── Experiment Statistics: 6 cards → 3×2 ── */
  #exp-stats .flex.gap-12 {
    flex-wrap: wrap !important;
  }
  #exp-stats .perf-card.flex-1 {
    flex: 1 1 calc(33.3% - 8px) !important;
    min-width: calc(33.3% - 8px) !important;
  }

  /* ── VS Comparison Panel: keep side-by-side, hide VS ── */
  #cmp-model-selector > div {
    flex-direction: row !important;
    gap: 6px !important;
  }
  /* VS text: hide on mobile */
  #cmp-model-selector > div > div[style*="font-size:20px"] {
    display: none !important;
  }
  /* Model A/B boxes: tighter padding */
  #cmp-model-selector > div > div[style*="flex:1"] {
    padding: 8px 10px !important;
  }
  #cmp-model-selector > div > div[style*="flex:1"] > div:first-child {
    font-size: 11px !important;
    margin-bottom: 5px !important;
  }

  /* (cmp-tk/dim pills now covered by #comparisons-view .filter-group > div[id^="cmp-"] below) */

  /* ── Comparison visual section header: stack + compact nav ── */
  #cmp-visual-section > .flex.justify-between {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }
  #cmp-sample-nav {
    gap: 4px !important;
  }
  #cmp-sample-nav .gf-pill {
    padding: 4px 8px !important;
    min-height: 32px !important;
  }
  #cmp-sample-idx {
    min-width: 40px !important;
    font-size: 11px !important;
  }

  /* ── Detail Performance Cards: 4 cols → 2×2 ── */
  #detail-perf .flex.gap-12 {
    flex-wrap: wrap !important;
  }
  #detail-perf .perf-card {
    flex: 1 1 calc(50% - 6px) !important;
    min-width: calc(50% - 6px) !important;
  }

  /* ── Comparison filter groups: match leaderboard unified style ── */
  #comparisons-view .flex.gap-16 {
    flex-direction: column !important;
    gap: 6px !important;
    align-items: flex-start !important;
  }
  #comparisons-view .filter-group {
    flex-wrap: wrap;
    row-gap: 4px;
    gap: 5px;
    width: 100%;
  }
  /* Label takes full width — pills flow below (matches leaderboard) */
  #comparisons-view .filter-group .gf-label {
    font-size: 12px;
    width: 100%;
  }
  /* Pill container: break inline-flex to allow wrapping below label */
  #comparisons-view .filter-group > div[id^="cmp-"] {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 5px !important;
    margin-left: 0 !important;
  }
  /* Pill sizing: match leaderboard filter-pill */
  #comparisons-view .gf-pill {
    padding: 4px 10px !important;
    min-height: 32px !important;
    font-size: 12px !important;
    border-radius: 6px !important;
  }

  /* ── Comparison chart heights ── */
  #cmp-radar-section div[style*="height:340px"] {
    height: 280px !important;
  }
  #cmp-bar-section div[style*="height:300px"] {
    height: 250px !important;
  }

  /* ── Comparison metric table: allow horizontal scroll ── */
  #cmp-metrics-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Comparison image grid: 1 col (stack vertically within each half) ── */
  .cmp-img-row {
    grid-template-columns: 1fr !important;
  }

  /* ── 3D eval viewer height ── */
  .eval3d-canvas-wrap {
    height: 220px !important;
  }

  /* ── Inference Explorer: 3D point cloud viewer height ── */
  #pc-canvas-wrap {
    height: 280px !important;
  }

  /* ── 3D viewer touch ── */
  .lb-pc-wrap canvas,
  .pc-viewer-container canvas,
  .eval3d-panel canvas {
    touch-action: none;
  }

  /* ── Performance summary cards: 2-per-row on mobile ── */
  #perf-cards-2d .perf-card,
  #perf-cards-3d .perf-card,
  #perf-cards-3d-gen .perf-card {
    flex: 1 1 calc(50% - 4px) !important;
    min-width: calc(50% - 4px) !important;
  }

  /* ── Comparison summary cards: 2-per-row on mobile ── */
  #cmp-summary-cards .cmp-card {
    min-width: calc(50% - 6px) !important;
    flex: 1 1 calc(50% - 6px) !important;
  }

  /* ══════════════════════════════════════════════════════════
     ROUND 2 — Touch Targets & Interaction Fixes
     ══════════════════════════════════════════════════════════ */

  /* H3: 3D viewer control touch targets */
  .cmp-model-pill {
    padding: 6px 10px !important;
    min-height: 44px;
    font-size: 11px !important;
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .pc-sample-btn {
    width: 36px !important;
    height: 36px !important;
    min-height: 36px;
  }
  .pc-color-btn,
  .eval3d-channel-btn,
  .lb-pc-cbtn,
  .lb-eval3d-chbtn {
    min-height: 32px;
    padding: 4px 10px !important;
  }
  .lb-pc-sbtn {
    min-width: 36px !important;
    min-height: 36px !important;
    width: auto !important;
    padding: 4px 10px !important;
  }

  /* Back button: mobile touch target + sticky top adjustment */
  .back-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
  }
  #detail-view > .flex[style*="sticky"],
  #comparisons-view > .flex[style*="sticky"] {
    top: max(50px, calc(44px + env(safe-area-inset-top))) !important;
  }

  /* H5: detail-view breadcrumb truncation */
  #detail-breadcrumb {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 60%;
    min-width: 0;
  }

  /* H6: "View Leaderboard →" link touch targets (index.html) */
  .domain-card .cta-link {
    padding: 6px 16px;
    min-height: unset;
    line-height: normal;
  }

  /* H7: KPI ring + label grouping — wrap as a unit */
  #kpi-stats .progress-ring,
  #kpi-stats .progress-ring + div {
    flex-shrink: 0;
  }

  /* H8: model-bar-track full width */
  .model-bar-track {
    width: 100% !important;
  }

  /* Leaderboard collapsible header touch target */
  .collapsible-header {
    min-height: 44px;
    -webkit-tap-highlight-color: rgba(129,140,248,0.15);
  }
  .collapsible-header:active {
    background: rgba(255,255,255,0.04);
    border-radius: 16px;
  }

  /* Footer: two centered rows with aligned separator */
  .footer-links,
  .footer-contacts {
    display: flex !important;
    width: 270px !important;
    max-width: 90vw !important;
    margin-left: auto !important;
    margin-right: auto !important;
    gap: 0 !important;
  }
  .footer-contacts {
    margin-top: 4px !important;
  }
  .footer-links .footer-link,
  .footer-contacts .contact-copy {
    flex: 1 !important;
    text-align: center !important;
  }
  .footer-links .footer-sep,
  .footer-contacts .footer-sep {
    flex-shrink: 0 !important;
    width: 16px !important;
    text-align: center !important;
  }
  .footer-sep-mid {
    display: none !important;
  }

  /* ══════════════════════════════════════════════════════════
     ROUND 3 — Polish & Performance
     ══════════════════════════════════════════════════════════ */

  /* M2: 3D viewer bar labels legibility */
  .lb-pc-bar label,
  .lb-eval3d-bar label {
    font-size: 11px !important;
  }
  .lb-eval3d-stats {
    font-size: 11px !important;
  }

  /* M3: chart container padding reduction for more render area */
  .chart-container {
    padding: 8px !important;
  }

  /* M5: sample buttons strip — enforce consistent grid */
  .pc-sample-strip {
    gap: 3px !important;
  }

  /* M6: iOS sidebar momentum scroll */
  .explorer-sidebar {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* M7: glass card padding reduction on mobile */
  .glass {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  .explorer-sidebar.glass {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  /* M8: header spacing — more breathing room above & below title */
  .page-content > div:first-child {
    padding-top: 8px !important;
    margin-bottom: 24px !important;
  }

  /* M10: scope glass transition for mobile performance */
  .glass {
    transition: border-color 0.3s ease, box-shadow 0.3s ease !important;
  }

  /* M11: empty state padding reduction */
  .empty-state {
    padding: 30px 16px !important;
  }

  /* M12: image card caption legibility */
  .image-card .caption {
    font-size: 11px;
  }

  /* ══════════════════════════════════════════════════════════
     ROUND 4 — Additional Mobile Enhancements
     ══════════════════════════════════════════════════════════ */

  /* Tap highlight feedback for all interactive elements */
  .filter-pill,
  .nav-link,
  .tree-item,
  .gf-pill,
  .cmp-model-pill,
  .step-box,
  .roadmap-item,
  .back-btn {
    -webkit-tap-highlight-color: rgba(129,140,248,0.15);
  }

  /* Sidebar backdrop: frosted glass effect */
  .sidebar-backdrop {
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

}

/* ═══════════════════════════════════════════════════════════
   LANDSCAPE — mobile + landscape orientation
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) and (orientation: landscape) {
  .eval3d-canvas-wrap {
    height: 180px !important;
  }
  .lb-pc-wrap {
    height: 200px !important;
  }
  #pc-canvas-wrap {
    height: 220px !important;
  }
  .explorer-sidebar {
    max-height: 100vh;
  }
}