/* Lab shells share the site's scale. Simulation pixels and palettes belong to each toy. */
.lab-page {
  --mono: "Fragment Mono", monospace;
  --sans: "Host Grotesk", sans-serif;
  --accent: #fff;
  --accent2: #fff;
  --positive: #fff;
  --green: #fff;
  --orange: #fff;
  --red: #fff;
  --blue: #fff;
  --a-color: #fff;
  --b-color: #fff;
  --text-dim: var(--muted);
  --text-muted: var(--muted);
  --border: var(--muted);
  background: #000;
}
.lab-main { min-width: 0; }
.lab-main :is(div, section, aside, fieldset) { min-width: 0; }
.lab-main :is(h1, h2, h3, p, a, label) { overflow-wrap: anywhere; }
.lab-main h3 { margin: 0; font: inherit; }
.lab-main p { line-height: 1.5; }
.lab-main canvas { display: block; }
.lab-main :is(.lab-section-label, .section-title, .section-label, .panel-title) {
  display: block; margin-block: 20px 12px; color: var(--muted);
  font-size: 15px; font-weight: 400; text-transform: uppercase; letter-spacing: .02em;
}
.lab-panel > .lab-section-label:first-child { margin-top: 0; }
.lab-main :is(.hint, .info, .info-line, .info-box, .canvas-overlay, .char-count, .sample-note, .stat-sub, .verdict-sub, .julia-label) {
  margin-block: 12px; color: var(--muted); font-size: 12px; line-height: 1.5;
  background: none; border: 0;
}
.lab-main :is(.stats, .fps, .char-count, .eq) { color: var(--muted); font: 12px/1.6 var(--mono); }
.lab-main :is(.val, .range-val, .slider-val, label > span[id], .slider-header > span) { color: #fff; font: 12px/1.5 var(--mono); }
.lab-panel { padding: 20px; background: var(--bar); border: 0; border-radius: 8rem; }
.lab-panel :is(.panel, .sidebar, .controls) { width: auto; padding: 0; background: none; border: 0; }
.lab-main :is(.control-group, .control, .slider-row, .input-group, .field, .panel-section, .section) { margin-bottom: 20px; }
.lab-main :is(.slider-header, .toggle-row) { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.lab-main label { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; color: var(--muted); font-size: 15px; }
.lab-main :is(.check-row, label:has(input)) { justify-content: flex-start; align-items: center; min-height: 28px; }
.lab-main :is(hr, .divider, .separator, .sep, .section-divider) { height: 0; margin-block: 20px; border: 0; border-top: 1px solid var(--hover); }
.lab-main :is(button, [role="button"]) {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-width: 24px; min-height: 32px; max-width: 100%; padding: 10rem 18rem;
  border: 0; border-radius: 8rem; background: var(--bar); color: var(--muted);
  font: 400 15px/1.4 var(--sans); text-transform: uppercase; letter-spacing: .02em;
  cursor: pointer; white-space: normal; overflow-wrap: anywhere;
  transition: color 150ms ease, transform 160ms var(--ease-out);
}
.lab-panel :is(button, [role="button"]) { background: transparent; }
.lab-main :is(button, [role="button"]):is(.active, .on, [aria-pressed="true"]) { background: #000; color: #fff; }
.lab-main :is(button, [role="button"]):focus-visible { color: #fff; }
.lab-main :is(button, [role="button"]):active { transform: scale(.97); }
.lab-main :is(button, [role="button"]):disabled { cursor: default; color: var(--muted); }
@media (hover: hover) and (pointer: fine) {
  .lab-main :is(button, [role="button"]):hover { background: var(--hover); color: #fff; }
  .lab-panel :is(button, [role="button"]):hover { background: transparent; }
  .lab-main :is(button, [role="button"]):is(.active, .on, [aria-pressed="true"]):hover { background: #000; }
}
.lab-main :is(a, button, [role="button"], input, select, textarea):focus-visible { outline: 1px solid #fff; outline-offset: 5px; }
.lab-main :is(.btn-row, .play-controls, .presets, .preset-pills, .mode-buttons, .tabs, .radio-group, .color-row, .color-grid, .color-swatches, .color-presets, .brush-sizes, .download-row, .layer-config, .patterns, .toolbar) {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-block: 12px;
}
.lab-main :is(.preset-grid, .preset-row, .scene-grid, .wave-grid, .sample-grid, .dataset-grid) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin-block: 12px; }
.lab-main :is(.btn-row, .play-controls) > * { flex: 1 1 auto; }
.lab-main :is(input, select, textarea) { max-width: 100%; min-width: 0; min-height: 28px; font: 400 15px/1.5 var(--sans); color: #fff; }
.lab-main :is(input:not([type="range"]):not([type="checkbox"]):not([type="radio"]):not([type="color"]), select, textarea) {
  display: block; width: 100%; padding: 8px 0; border: 0; border-bottom: 1px solid #8f8f8f; border-radius: 0; background: transparent;
}
.lab-main :is(input, textarea)::placeholder { color: var(--muted); opacity: 1; }
.lab-main select { margin-bottom: 16px; }
.lab-main option { background: #000; color: #fff; }
.lab-main textarea { min-height: 160px; resize: vertical; }
.lab-main input:is([type="radio"], [type="checkbox"]) { display: inline-block; width: 24px; height: 24px; flex: 0 0 24px; margin: 0; accent-color: #fff; }
.lab-main input[type="color"] { width: 40px; height: 32px; padding: 0; border: 1px solid #8f8f8f; background: transparent; }
.lab-main input[type="range"] { appearance: none; -webkit-appearance: none; display: block; width: 100%; height: 28px; margin: 0 0 12px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.lab-main input[type="range"]::-webkit-slider-runnable-track { height: 1px; background: #8f8f8f; }
.lab-main input[type="range"]::-moz-range-track { height: 1px; background: #8f8f8f; }
.lab-main input[type="range"]::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 8px; height: 8px; margin-top: -3.5px; border: 0; border-radius: 0; background: #fff; }
.lab-main input[type="range"]::-moz-range-thumb { width: 8px; height: 8px; border: 0; border-radius: 0; background: #fff; }
.lab-main .radio-group label { margin: 0; padding: 8px; border-radius: 8rem; }
.lab-main .radio-group label:has(:checked) { background: #000; color: #fff; }
.lab-main .toggle { width: 48px; padding: 4px; }
.lab-main .toggle::after { content: "Off"; font-size: 12px; }
.lab-main .toggle.on::after { content: "On"; }
/* Color choices are named controls. The corresponding canvas colors stay untouched. */
.lab-main :is(.swatch, .color-swatch, .color-btn) { width: auto; height: auto; min-height: 32px; background: transparent !important; }
.lab-main :is(.swatch, .color-swatch, .color-btn).active { background: #000 !important; }
.lab-main .brush-btn { min-width: 32px; min-height: 32px; }

/* A: full-bleed simulations with a caption and one controls panel. */
.lab-fullscreen { overflow: hidden; }
.lab-fullscreen .lab-main { height: 100dvh; }
.lab-simulation { position: fixed; inset: 0; width: 100%; height: 100%; cursor: crosshair; }
.lab-fullscreen .lab-caption { position: fixed; left: var(--margin); bottom: 24px; width: min(440px, calc(100% - 390px)); padding: 16px 18px; color: #fff; background: var(--bar); border-radius: 8rem; }
.lab-caption .lab-section-label { margin: 0 0 12px; }
.lab-caption h1 { font-size: 22px; font-weight: 400; }
.lab-caption .lab-description { margin-block: 8px 20px; font-size: 15px; }
.lab-caption .project-pagination { padding-top: 8px; font-size: 12px; gap: 8px 16px; border-color: var(--hover); }
.lab-fullscreen .lab-panel { position: fixed; top: 88px; right: var(--margin); width: 320px; max-height: calc(100dvh - 112px); overflow-y: auto; overscroll-behavior: contain; scrollbar-color: var(--muted) var(--bar); z-index: 3; }
.lab-fullscreen .lab-panel.controls-bottom { top: auto; bottom: 24px; }
.lab-controls-toggle { position: fixed; right: var(--margin); bottom: 16px; z-index: 5; }
.lab-main .tooltip { position: fixed; z-index: 6; display: none; max-width: calc(100vw - 32px); padding: 6px; background: #000; color: #fff; pointer-events: none; font: 12px/1.5 var(--mono); }
.lab-main .placement-hint { display: none; position: fixed; top: 88px; left: var(--margin); max-width: calc(100vw - 40px); font-size: 12px; background: #000; color: #fff; padding: 8px; }
.lab-main .placement-hint.active { display: block; }
.julia-preview { margin-top: 20px; }
.julia-preview canvas { width: 160px; height: 160px; max-width: 100%; }
.lab-main .rule-vis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.lab-main .rule-case { display: flex; flex-direction: column; padding: 8px; font-family: var(--mono); }
.rule-case .pattern { display: flex; gap: 2px; }
.rule-case :is(.cell, .result) { width: 8px; height: 8px; background: var(--hover); }
.rule-case :is(.cell, .result).on { background: #fff; }
.matrix-grid { display: grid; gap: 2px; margin-block: 12px; }
.lab-main .matrix-cell { aspect-ratio: 1; min-width: 24px; padding: 0; background: #000 !important; color: #fff; font: 12px/1 var(--mono); }
.matrix-header { display: grid; place-items: center; font: 12px/1 var(--mono); }
.matrix-header span { color: #fff !important; }
.lab-main .legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-block: 12px; color: var(--muted); font-size: 12px; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { display: none; }
.source-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-block: 8px; border-bottom: 1px solid var(--hover); }
.source-item .source-dot { display: none; }

/* B: project header followed by five stage columns and three control columns. */
.lab-tool .project-heading { text-transform: none; }
.lab-tool .project-heading h1 { font-size: 22px; }
.lab-tool .project-outcome { max-width: 65ch; font-size: 22px; }
.lab-grid { align-items: start; margin-bottom: 64rem; gap: 24rem; }
.lab-stage { grid-column: 1 / 6; }
.lab-tool .lab-panel { grid-column: 6 / 9; }
.lab-stage > :first-child { margin-top: 0; }
.lab-stage canvas { max-width: 100%; height: auto; }
.lab-stage .canvas-wrap { position: relative; width: 100%; aspect-ratio: 1; }
.lab-stage .canvas-wrap > canvas { width: 100%; height: 100%; }
.lab-stage .canvas-wrap .stats { margin-top: 12px; }
.lab-stage .canvas-overlay { position: absolute; top: 12px; left: 12px; }
.lab-stage .toolbar { position: absolute; right: 12px; bottom: 12px; margin: 0; }
.lab-stage .editor-wrap textarea { min-height: 440px; }
.lab-main :is(.result-card, .score-card, .category, .variant-card) { padding-block: 16px; background: none; border: 0; border-top: 1px solid var(--hover); border-radius: 0; }
.lab-main :is(.metrics-row, .stats-grid, .summary-grid, .score-breakdown, .lab-tool .stats) { display: block; }
.lab-main :is(.metric, .stat-item, .stat-card, .summary-card), .lab-tool .stat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, auto); align-items: baseline; gap: 8px 16px; padding-block: 12px; border-bottom: 1px solid var(--hover); }
.lab-main :is(.metric-label, .stat-label, .lbl, .summary-label) { grid-column: 1; grid-row: 1; color: var(--muted); font-size: 15px; }
.lab-main :is(.metric-value, .metric-val, .stat-value, .stat-item .val, .summary-value, .summary-num) { grid-column: 2; grid-row: 1; text-align: right; color: #fff !important; font: 15px/1.5 var(--mono); }
.stat-card .stat-sub { grid-column: 1 / -1; margin: 0; }
.lab-main :is(.number, .score-val, .score-number, .rate-display, .sample-big) { color: #fff !important; font: 26px/1.5 var(--mono); }
.lab-main :is(.score-grade, .score-label, .label, .sample-cat, .check-detail) { color: var(--muted) !important; }
.lab-main :is(.metric-bar-wrap, .grade-bar, .cat-score-bar) { grid-column: 1 / -1; height: 1px; background: var(--hover); }
.lab-main :is(.metric-bar, .grade-fill, .cat-score-fill) { height: 1px; background: #fff !important; }
.lab-main :is(.suggestion, .error-box, .error-bar) { border: 0; border-radius: 0; background: none; color: var(--muted); padding-block: 12px; font-size: 15px; }
.lab-main :is(.error-box, .error-bar, .loading, .score-hero, .lab-shop-audit .results) { display: none; }
.lab-main .error-bar.show { display: block; }
.lab-main .cat-header { display: flex; width: 100%; justify-content: space-between; padding: 12px 0; background: transparent; color: #fff; text-align: left; }
.cat-title { flex: 1; }
.lab-main .cat-score-num { font: 12px/1.5 var(--mono); color: #fff !important; }
.cat-body { padding-bottom: 20px; }
.check { padding-block: 12px; border-top: 1px solid var(--hover); }
.check-status { display: block; margin-bottom: 6px; color: #fff; font: 12px/1.5 var(--mono); }
.check-detail { margin-top: 6px; overflow-wrap: anywhere; font-size: 12px; }
.check-icon, .cat-icon, .verdict-icon:empty { display: none; }
.lab-main :is(.score-ring svg, .score-ring-wrap svg, .metric-bar-wrap) { display: none; }
.lab-main .score-ring, .lab-main .score-number { position: static; width: auto; height: auto; }
.lab-main .big-score { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.big-score .number { grid-column: 2; grid-row: 1; font-size: 15px; }
.big-score .label { grid-column: 1; grid-row: 1; }
.big-score > :nth-child(n + 3) { grid-column: 1 / -1; }
.freq-list { list-style: none; padding: 0; }
.freq-list li { display: flex; justify-content: space-between; gap: 12px; padding-block: 8px; border-bottom: 1px solid var(--hover); }
.freq-list li span:last-child { font-family: var(--mono); }
.sentence-bar { display: flex; align-items: end; gap: 2px; height: 48px; margin-block: 12px; }
.sent-block { position: relative; height: 32px; min-width: 0; background: #fff; }
.sent-block.medium { height: 40px; background: var(--muted); }
.sent-block.long { height: 48px; background: var(--hover); }
.sent-tooltip { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.word-display { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 16px; }
.word-display > span { padding-bottom: 4px; color: #fff; border-bottom: 1px solid var(--muted); }
.word-display .w-power, .word-breakdown .legend-item:nth-child(1) { border-bottom: 3px solid #fff; }
.word-display .w-emotional, .word-breakdown .legend-item:nth-child(2) { border-bottom: 3px double #fff; }
.word-display .w-number, .word-breakdown .legend-item:nth-child(3) { border-bottom: 1px dashed #fff; }
.word-display .w-filler, .word-breakdown .legend-item:nth-child(4) { border-bottom: 1px dotted #fff; }
.word-breakdown .legend-item:nth-child(5) { border-bottom: 1px solid var(--muted); }
.bar-row { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 12px; margin-block: 12px; }
.bar-label { color: var(--muted); }
.bar-track { min-width: 0; }
.bar-fill { min-width: max-content; border-bottom: 1px solid #fff; font-family: var(--mono); }
.bayesian-bar, .bayesian-legend { display: flex; justify-content: space-between; gap: 12px; margin-block: 12px; }
.bayesian-bar > * { min-width: max-content; font-family: var(--mono); border-bottom: 1px solid #fff; }
.bayesian-legend { color: var(--muted); font-size: 12px; }
.lab-main .sample-btn { text-align: left; justify-content: flex-start; }
.lab-headline-analyzer .sample-grid { grid-template-columns: minmax(0, 1fr); }
.lab-headline-analyzer .sample-btn { display: block; text-transform: none; letter-spacing: 0; }
.lab-main .sample-cat { display: block; font-size: 12px; }
.lab-main .tab-content { display: none; }
.lab-main .tab-content.active { display: block; }
.preview-area { display: grid; justify-items: start; gap: 20px; }
.lab-main #qr-canvas { width: min(100%, 400px); height: auto; }
.logo-upload { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
#logo-preview { max-width: 64px; max-height: 64px; }
.lab-neural-playground .canvas-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.canvas-cell { position: relative; aspect-ratio: 1; }
.lab-stage .canvas-cell canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.canvas-label { position: absolute; z-index: 1; top: 8px; left: 8px; background: #000; color: var(--muted); font: 12px/1.5 var(--mono); }
.net-row { position: relative; height: 180px; margin-block: 24px; }
.lab-stage .net-row canvas { width: 100%; height: 100%; }
.lab-stage .loss-chart { width: 100%; height: 120px; margin-block: 24px; }
.dataset-btn { flex-direction: column; }
.dataset-btn canvas { width: 48px; height: 48px; }
.lab-echo-chamber #sim { width: 100%; aspect-ratio: 1; }
.diversity-bar { display: flex; height: 8px; gap: 2px; }
.diversity-bar > * { background: #fff !important; }
.lab-synth .viz { height: 320px; }
.lab-synth .viz canvas { width: 100%; height: 100%; }
.keyboard-wrap { height: 140px; overflow-x: auto; }
.keyboard { display: flex; position: relative; height: 100%; min-width: 480px; padding: 0 2px; }
.key-white { flex: 1; position: relative; z-index: 1; margin-inline: 1px; display: flex; align-items: end; justify-content: center; padding-bottom: 8px; background: #fff; border: 1px solid #000; cursor: pointer; }
.lab-main .key-white .label { color: #000 !important; font: 12px/1.5 var(--mono); }
.key-black { position: absolute; width: 60%; min-width: 24px; height: 60%; background: #000; border: 1px solid #fff; z-index: 2; cursor: pointer; }
.key-white.pressed, .key-white:active { background: var(--muted); }
.key-black.pressed, .key-black:active { background: var(--hover); }
.lab-main :is(pre, table) { max-width: 100%; overflow-x: auto; }

@media (max-width: 760px) {
  .lab-tool .project-main { padding-top: 112px; }
  .lab-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .lab-stage, .lab-tool .lab-panel { grid-column: 1 / -1; }
  .lab-fullscreen .lab-caption { width: auto; right: var(--margin); bottom: 76px; }
  .lab-caption h1 { font-size: 20px; }
  .lab-caption .lab-description { max-width: 45ch; }
  .lab-fullscreen .lab-panel, .lab-fullscreen .lab-panel.controls-bottom {
    top: auto; bottom: 68px; left: 12px; right: 12px; width: auto;
    max-height: calc(100dvh - 160px); padding: 20px; z-index: 4;
  }
  .lab-fullscreen.lab-drawer-ready .lab-panel {
    visibility: hidden; transform: translateY(calc(100% + 80px));
    transition: transform 240ms var(--ease-drawer), visibility 0s 240ms;
  }
  .lab-fullscreen.lab-drawer-open .lab-panel { visibility: visible; transform: translateY(0); transition-delay: 0s; }
  .lab-fullscreen.lab-drawer-open .lab-caption { visibility: hidden; }
  .lab-main .lab-controls-toggle { min-height: 44px; }
  .lab-neural-playground .canvas-row { grid-template-columns: minmax(0, 1fr); }
}
html[data-input="keyboard"] .lab-main :is(button, [role="button"], .lab-panel) { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .lab-main *, .lab-main *::before, .lab-main *::after { animation: none !important; transition: opacity 160ms ease, color 150ms ease !important; scroll-behavior: auto !important; }
  .lab-main :is(button, [role="button"]):active { transform: none; }
}