/* ==========================================================================
   ARGENT — examples/lab/lab.css
   The field manual: a printed specimen book, not a product page.
   ========================================================================== */

:root {
  --lab-paper: #f4f3ef;
  --lab-ink-soft: #6d7076;
  --lab-hairline: rgba(20, 22, 28, 0.1);
  --lab-grid: rgba(20, 22, 28, 0.035);
  --lab-stage-dark: #101114;
  --lab-stage-light: #e8e7e2;
}
[data-theme="dark"] {
  --lab-paper: #121313;
  --lab-ink-soft: #8c8e94;
  --lab-hairline: rgba(255, 255, 255, 0.09);
  --lab-grid: rgba(255, 255, 255, 0.04);
  --lab-stage-dark: #e8e7e2;
  --lab-stage-light: #101114;
}

html { scroll-behavior: smooth; }
body.lab {
  background: var(--ag-bg);
  min-height: 100vh;
  overflow-x: hidden;
}
.lab-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 80% at 50% -10%, color-mix(in srgb, var(--ag-surface) 52%, transparent), transparent 70%),
    linear-gradient(var(--lab-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--lab-grid) 1px, transparent 1px);
  background-size: auto, 80px 80px, 80px 80px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 55%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0, #000 55%, transparent 100%);
}
body.lab[data-spec="on"] .lab-bg {
  background:
    linear-gradient(var(--lab-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--lab-grid) 1px, transparent 1px);
  background-size: 8px 8px, 8px 8px;
  -webkit-mask-image: none;
          mask-image: none;
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Top bar
   -------------------------------------------------------------------------- */

.lab-top {
  position: sticky;
  top: 0;
  z-index: 60;
  height: 64px;
  background: color-mix(in srgb, var(--lab-paper) 96%, var(--ag-bg));
  border-bottom: 1px solid var(--lab-hairline);
}
.lab-top-inner {
  max-width: 1560px;
  height: 100%;
  margin: 0 auto;
  padding: 0 26px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.lab-brand { display: flex; align-items: center; gap: 10px; flex: none; color: var(--ag-ink); }
.lab-mark { width: 30px; height: 30px; border-radius: 9px; }
.lab-brand-type { display: flex; flex-direction: column; gap: 1px; }
.lab-brand-type strong {
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em; line-height: 1;
}
.lab-brand-type em {
  font-family: var(--ag-font-mono);
  font-size: 7.5px; font-style: normal; letter-spacing: 0.12em;
  color: var(--ag-ink-3); line-height: 1;
}
.lab-top-nav { display: flex; align-items: center; gap: 1px; min-width: 0; overflow: hidden; }
.lab-top-nav a {
  height: 30px; padding: 0 9px; border-radius: 7px;
  display: inline-flex; align-items: center;
  color: var(--ag-ink-3); font-size: 11.5px; font-weight: 500; white-space: nowrap;
  transition: color var(--ag-dur-2) ease, background var(--ag-dur-2) ease;
}
.lab-top-nav a:hover { color: var(--ag-ink); background: var(--ag-hover); }
.lab-top-nav a.is-active { color: var(--ag-ink); background: var(--ag-fill); }
.lab-tools { margin-left: auto; display: flex; align-items: center; gap: 6px; flex: none; }
.lab-search {
  height: 30px; padding: 0 8px; border-radius: 7px;
  display: flex; align-items: center; gap: 7px;
  color: var(--ag-ink-3); font-size: 11.5px;
  border: 1px solid transparent;
  transition: background var(--ag-dur-2) ease, border-color var(--ag-dur-2) ease;
}
.lab-search:hover { background: var(--ag-surface); border-color: var(--ag-line); color: var(--ag-ink-2); }
.lab-search .ag-icon { width: 14px; height: 14px; }
.lab-search .ag-kbd { margin-left: 4px; }
.lab-theme { height: 32px; padding: 2px; }
.lab-theme .ag-seg { width: 28px; height: 28px; padding: 0; }
.lab-theme .ag-seg .ag-icon { width: 14px; height: 14px; }
.lab-icon-btn, .lab-spec-btn {
  height: 30px; border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  color: var(--ag-ink-3); font-size: 11.5px; font-weight: 500;
  padding: 0 8px;
  transition: background var(--ag-dur-2) ease, color var(--ag-dur-2) ease;
}
.lab-icon-btn { width: 30px; padding: 0; }
.lab-icon-btn:hover, .lab-spec-btn:hover { background: var(--ag-hover); color: var(--ag-ink); }
.lab-spec-btn .ag-icon { width: 14px; height: 14px; }
.lab-spec-btn[aria-pressed="true"] { background: var(--ag-accent); color: var(--ag-on-accent); }
.lab-icon-btn.is-on { background: var(--ag-fill); color: var(--ag-ink); }

/* --------------------------------------------------------------------------
   Shell / rail
   -------------------------------------------------------------------------- */

.lab-shell {
  position: relative;
  z-index: 1;
  max-width: 1560px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
}
.lab-rail {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 30px 22px 24px;
  border-right: 1px solid var(--lab-hairline);
  overflow-y: auto;
  scrollbar-width: none;
}
.lab-rail::-webkit-scrollbar { display: none; }
.lab-rail-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--ag-font-mono); font-size: 8.5px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ag-ink-3);
  padding: 0 8px;
}
.lab-rail-count { color: var(--ag-ink-3); }
.lab-toc { display: flex; flex-direction: column; gap: 1px; }
.lab-toc a {
  display: flex; align-items: center; gap: 11px;
  height: 32px; padding: 0 8px; border-radius: 7px;
  color: var(--ag-ink-3); font-size: 11.5px; font-weight: 500;
  transition: background var(--ag-dur-2) ease, color var(--ag-dur-2) ease;
}
.lab-toc a .num { font-family: var(--ag-font-mono); font-size: 8.5px; color: var(--ag-ink-3); width: 14px; }
.lab-toc a:hover { background: var(--ag-hover); color: var(--ag-ink); }
.lab-toc a.is-active { background: var(--ag-surface); color: var(--ag-ink); box-shadow: var(--ag-shadow-1); }
.lab-toc a.is-active .num { color: var(--ag-ink); }
.lab-rail-foot { margin-top: auto; padding: 0 8px; display: flex; flex-direction: column; gap: 10px; }
.lab-progress { height: 2px; border-radius: 2px; background: var(--ag-fill-2); overflow: hidden; }
.lab-progress i { display: block; height: 100%; width: 0; background: var(--ag-ink); transition: width 120ms linear; }
.lab-rail-foot p { margin: 0; font-size: 10.5px; line-height: 1.55; color: var(--ag-ink-3); }
.lab-rail-foot p strong { color: var(--ag-ink-2); font-weight: 600; }
.lab-rail-meta {
  display: flex; justify-content: space-between;
  font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.1em; color: var(--ag-ink-3);
}

/* --------------------------------------------------------------------------
   Main
   -------------------------------------------------------------------------- */

.lab-main { min-width: 0; padding: 0 56px 100px; }
.lab-main-inner { max-width: 1080px; margin: 0 auto; }

.lab-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
  gap: 46px;
  align-items: center;
  min-height: 650px;
  padding: 52px 0 58px;
}
.lab-hero-copy { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.lab-eyebrow {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ag-font-mono); font-size: 8.5px; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--ag-ink-3);
  margin-bottom: 24px;
}
.lab-eyebrow .ag-dot { width: 5px; height: 5px; }
.lab-hero-title {
  margin: 0;
  font-family: var(--ag-font-display);
  font-weight: 400;
  font-size: clamp(62px, 7vw, 94px);
  line-height: 0.93;
  letter-spacing: -0.04em;
  color: var(--ag-ink);
}
.lab-hero-title em { font-style: italic; color: var(--ag-ink-3); }
.lab-hero-lede {
  margin: 24px 0 0;
  max-width: 470px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ag-ink-2);
}
.lab-hero-actions { display: flex; align-items: center; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.lab-hero-meta {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  margin-top: 40px;
  font-family: var(--ag-font-mono); font-size: 8.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ag-ink-3);
}
.lab-hero-meta b { color: var(--ag-ink); font-weight: 500; margin-right: 4px; }

.lab-hero-stage {
  position: relative;
  min-height: 470px;
  border-radius: 22px;
  background: var(--lab-stage-dark);
  color: #f4f4f6;
  box-shadow: var(--ag-shadow-3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  isolation: isolate;
}
[data-theme="dark"] .lab-hero-stage { color: #14161a; }
.lab-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, currentColor 9%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, currentColor 9%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000 10%, transparent 80%);
          mask-image: radial-gradient(70% 70% at 50% 50%, #000 10%, transparent 80%);
  opacity: 0.8;
  pointer-events: none;
}
.lab-hero-stage-head, .lab-hero-stage-foot {
  position: absolute; left: 22px; right: 22px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.14em;
  text-transform: uppercase; color: color-mix(in srgb, currentColor 56%, transparent);
  z-index: 2;
}
.lab-hero-stage-head { top: 18px; }
.lab-hero-stage-foot { bottom: 18px; }
.lab-island-ghost {
  position: absolute;
  width: min(84%, 390px);
  height: 176px;
  border: 1px dashed color-mix(in srgb, currentColor 22%, transparent);
  border-radius: 20px;
  transform: translate(18px, 18px);
  z-index: 0;
}
.lab-island-specimen {
  width: min(86%, 402px);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1;
  background: var(--ag-surface-raised);
  color: var(--ag-ink);
  border-radius: 20px;
  box-shadow: inset 0 1px 0 var(--ag-top-highlight), 0 1px 1.5px rgba(0, 0, 0, 0.16),
    0 20px 50px rgba(0, 0, 0, 0.32);
  border: 0.5px solid var(--ag-island-outline);
}
.lab-island-row { display: flex; align-items: center; gap: 9px; min-height: 26px; }
.lab-island-row.is-foot { gap: 10px; padding-top: 2px; }
.lab-mark.sm { width: 24px; height: 24px; border-radius: 7px; }
.lab-mark.sm .ag-icon { width: 14px; height: 14px; }
.lab-island-row .ag-wordmark { font-size: 8.5px; letter-spacing: 0.2em; color: var(--ag-ink-2); }
.lab-island-sep { width: 1px; height: 12px; background: var(--ag-line); }
.lab-island-meta { font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.08em; color: var(--ag-ink-3); }
.lab-island-time, .lab-island-pct { font-size: 8.5px; color: var(--ag-ink-3); }
.lab-island-row .ag-progress { flex: 1; height: 3px; }
.lab-island-row .ag-switch { font-size: 10px; color: var(--ag-ink-3); gap: 6px; }
.lab-island-row .ag-switch input { width: 28px; height: 16px; }
.lab-island-row .ag-switch input::after { width: 12px; height: 12px; }
.lab-island-row .ag-switch input:checked::after { transform: translateX(12px); }
.lab-island-row .ag-segment { height: 30px; }
.lab-island-row .ag-seg { height: 26px; padding: 0 9px; font-size: 9.5px; }
.lab-hero-measure {
  position: absolute; z-index: 3;
  font-family: var(--ag-font-mono); font-size: 8px; color: color-mix(in srgb, currentColor 55%, transparent);
  display: flex; align-items: center; gap: 6px;
}
.lab-hero-measure.top { top: 94px; left: 20px; }
.lab-hero-measure.top::before { content: ""; width: 18px; height: 1px; background: currentColor; opacity: 0.4; }
.lab-hero-measure.right { right: 18px; top: 50%; writing-mode: vertical-rl; }
.lab-hero-measure.right::before { content: ""; width: 1px; height: 18px; background: currentColor; opacity: 0.4; }

.lab-strip {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0;
  border-top: 1px solid var(--lab-hairline);
  border-bottom: 1px solid var(--lab-hairline);
  margin: 0 0 10px;
}
.lab-strip span {
  padding: 12px 8px;
  font-family: var(--ag-font-mono); font-size: 7.5px; letter-spacing: 0.06em;
  color: var(--ag-ink-3); text-transform: uppercase;
  border-right: 1px solid var(--lab-hairline);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lab-strip span:last-child { border-right: 0; }

/* --------------------------------------------------------------------------
   Sections / plates
   -------------------------------------------------------------------------- */

.lab-section { padding-top: 76px; }
.lab-section-head {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 150px;
  gap: 26px;
  align-items: start;
  padding-bottom: 34px;
  border-top: 1px solid var(--lab-hairline);
  padding-top: 26px;
}
.lab-section-index {
  font-family: var(--ag-font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--ag-ink-3); padding-top: 8px;
}
.lab-section-title {
  margin: 6px 0 0;
  font-family: var(--ag-font-display);
  font-size: clamp(34px, 4.2vw, 48px);
  line-height: 1.0;
  letter-spacing: -0.035em;
  font-weight: 400;
  color: var(--ag-ink);
}
.lab-section-lede {
  margin: 12px 0 0;
  max-width: 660px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ag-ink-2);
}
.lab-section-meta {
  padding-top: 8px;
  font-family: var(--ag-font-mono); font-size: 8px; line-height: 1.65;
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--ag-ink-3);
  text-align: right;
}
.lab-plate-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.lab-plate {
  grid-column: span 6;
  min-width: 0;
  background: var(--lab-paper);
  border: 1px solid var(--lab-hairline);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.lab-plate.is-full { grid-column: 1 / -1; }
.lab-plate-head { padding: 18px 20px 16px; display: flex; flex-direction: column; gap: 5px; }
.lab-plate-kicker {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ag-ink-3);
}
.lab-plate-kicker span { color: var(--ag-ink-3); }
.lab-plate-title { margin: 0; font-size: 16px; line-height: 1.3; font-weight: 600; letter-spacing: -0.012em; }
.lab-plate-desc { margin: 0; font-size: 12px; line-height: 1.55; color: var(--ag-ink-3); max-width: 760px; }
.lab-plate-stage {
  flex: 1;
  min-height: 160px;
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  background: var(--ag-surface);
  border-top: 1px solid var(--ag-hairline);
  overflow: hidden;
}
.lab-plate-foot {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 9px 20px;
  border-top: 1px solid var(--ag-hairline);
  font-family: var(--ag-font-mono); font-size: 7.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ag-ink-3);
  background: color-mix(in srgb, var(--lab-paper) 70%, var(--ag-surface));
}

/* spec mode */
body.lab[data-spec="on"] .lab-plate-stage { position: relative; }
body.lab[data-spec="on"] .lab-plate-stage::before {
  content: ""; position: absolute; inset: 10px; border: 1px dashed color-mix(in srgb, var(--ag-ink) 22%, transparent);
  border-radius: 8px; pointer-events: none;
}
body.lab[data-spec="on"] .spec-only { display: inline-flex !important; }
.spec-only { display: none !important; }

/* --------------------------------------------------------------------------
   Foundations plates
   -------------------------------------------------------------------------- */

.theme-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.theme-col {
  border: 1px solid var(--ag-line);
  border-radius: 13px;
  padding: 15px;
  background: var(--ag-surface);
  min-width: 0;
}
.theme-col[data-theme="dark"] { color: var(--ag-ink); }
.theme-col-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.08em;
  color: var(--ag-ink-3); margin-bottom: 12px;
}
.swatch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; }
.swatch { display: flex; align-items: center; gap: 8px; min-width: 0; }
.swatch-chip {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}
.swatch-copy { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.swatch-copy b { font-size: 10px; font-weight: 600; color: var(--ag-ink); line-height: 1.2; }
.swatch-copy code { font-family: var(--ag-font-mono); font-size: 8px; color: var(--ag-ink-3); }
.semantic-row { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 14px; }

.type-specimen { display: flex; flex-direction: column; }
.type-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 26px;
  align-items: center;
  padding: 15px 0;
  border-top: 1px solid var(--ag-hairline);
}
.type-row:first-child { border-top: 0; padding-top: 4px; }
.type-row:last-child { padding-bottom: 0; }
.type-sample { min-width: 0; color: var(--ag-ink); }
.type-display { font-family: var(--ag-font-display); font-size: 54px; line-height: 0.95; letter-spacing: -0.04em; }
.type-display em { font-style: italic; color: var(--ag-ink-3); }
.type-h1 { font-size: 30px; line-height: 1.15; font-weight: 600; letter-spacing: -0.025em; }
.type-h2 { font-size: 22px; line-height: 1.25; font-weight: 600; letter-spacing: -0.018em; }
.type-body { font-size: 14px; line-height: 1.55; color: var(--ag-ink-2); max-width: 560px; }
.type-label { font-size: 12px; font-weight: 500; color: var(--ag-ink-2); }
.type-mono { font-family: var(--ag-font-mono); font-size: 11px; color: var(--ag-ink-2); font-variant-numeric: tabular-nums; }
.type-meta { display: flex; flex-direction: column; gap: 2px; font-size: 10.5px; color: var(--ag-ink-3); }
.type-meta b { font-size: 10.5px; font-weight: 600; color: var(--ag-ink-2); }
.type-meta .ag-mono { font-size: 7.5px; letter-spacing: 0.08em; }

.space-scale { display: flex; align-items: flex-end; gap: 14px; min-height: 112px; padding: 8px 2px 0; overflow-x: auto; }
.space-item { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; flex: none; }
.space-bar { display: block; width: var(--w); height: 10px; background: var(--ag-ink); border-radius: 2px; }
.space-label { font-family: var(--ag-font-mono); font-size: 8px; color: var(--ag-ink-3); }
.space-rules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; border-top: 1px solid var(--ag-hairline); padding-top: 16px; }
.space-rules div { display: flex; flex-direction: column; gap: 3px; }
.space-rules b { font-family: var(--ag-font-mono); font-size: 11px; font-weight: 500; color: var(--ag-ink); }
.space-rules span { font-size: 10.5px; line-height: 1.45; color: var(--ag-ink-3); }

.radius-row { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.radius-item { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.radius-item span { width: 48px; height: 48px; background: var(--ag-fill-2); border: 1px solid var(--ag-line); }
.radius-item code { font-family: var(--ag-font-mono); font-size: 8px; color: var(--ag-ink-3); }
.shadow-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.shadow-item { height: 62px; border-radius: 10px; background: var(--ag-surface-raised); display: flex; align-items: flex-end; justify-content: space-between; padding: 9px 10px; border: 1px solid var(--ag-hairline); }
.shadow-item span { font-family: var(--ag-font-mono); font-size: 10px; color: var(--ag-ink-3); }
.shadow-item code { font-family: var(--ag-font-mono); font-size: 7.5px; color: var(--ag-ink-3); }
.shadow-1 { box-shadow: var(--ag-shadow-1); }
.shadow-2 { box-shadow: var(--ag-shadow-2); }
.shadow-3 { box-shadow: var(--ag-shadow-3); }

.motion-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.motion-spec { display: flex; flex-direction: column; gap: 2px; padding: 10px; border-radius: 10px; background: var(--ag-fill); }
.motion-spec b { font-family: var(--ag-font-mono); font-size: 13px; font-weight: 500; color: var(--ag-ink); }
.motion-spec span { font-size: 10.5px; color: var(--ag-ink-2); }
.motion-spec code { font-family: var(--ag-font-mono); font-size: 8px; color: var(--ag-ink-3); }
.motion-stage { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; border-top: 1px solid var(--ag-hairline); }
.motion-token { width: 18px; height: 18px; border-radius: 6px; background: var(--ag-ink); display: block; }
.motion-token.is-playing { animation: lab-settle 520ms var(--ag-ease-settle); }
@keyframes lab-settle {
  0% { transform: translateX(0) scale(1); }
  38% { transform: translateX(46px) scale(0.92); }
  100% { transform: translateX(92px) scale(1); }
}

.brand-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.brand-option { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 10px; border-radius: 10px; border: 1px solid var(--ag-line); background: var(--ag-surface); text-align: left; }
.brand-option:hover { border-color: var(--ag-line-strong); }
.brand-option.is-on { border-color: var(--ag-ink); box-shadow: inset 0 0 0 1px var(--ag-ink); }
.brand-chip { width: 20px; height: 20px; border-radius: 6px; background: var(--c); }
.brand-option b { font-size: 10.5px; font-weight: 600; color: var(--ag-ink); }
.brand-option code { font-family: var(--ag-font-mono); font-size: 7px; color: var(--ag-ink-3); }
.brand-preview { display: flex; align-items: center; gap: 16px; padding-top: 14px; border-top: 1px solid var(--ag-hairline); }

.density-demo { display: flex; flex-direction: column; gap: 12px; }
.density-list { border: 1px solid var(--ag-line); border-radius: 10px; overflow: hidden; }
.density-row { display: flex; align-items: center; gap: 9px; min-height: 40px; padding: 0 10px; border-bottom: 1px solid var(--ag-hairline); }
.density-row:last-child { border-bottom: 0; }
.density-row > div { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0; }
.density-row b { font-size: 10.5px; font-weight: 500; }
.density-row span { font-size: 9px; color: var(--ag-ink-3); }
.density-actions { display: flex; gap: 6px; }

/* --------------------------------------------------------------------------
   Layout plates
   -------------------------------------------------------------------------- */

.shell-map {
  position: relative;
  border: 1px solid var(--ag-line);
  border-radius: 14px;
  background: var(--ag-surface);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  flex-direction: column;
}
.shell-map-top {
  height: 34px; flex: none; display: flex; align-items: center; gap: 12px; padding: 0 12px;
  border-bottom: 1px solid var(--ag-hairline); background: var(--ag-surface);
}
.shell-map-brand { font-size: 8px; font-weight: 600; letter-spacing: 0.18em; color: var(--ag-ink); }
.shell-map-tabs { display: flex; gap: 4px; margin-left: 12px; }
.shell-map-tabs i { display: block; width: 26px; height: 6px; border-radius: 3px; background: var(--ag-fill-2); }
.shell-map-tabs i:first-child { background: var(--ag-ink); opacity: 0.8; }
.shell-map-avatar { margin-left: auto; width: 16px; height: 16px; border-radius: 50%; background: var(--ag-fill-2); display: grid; place-items: center; font-size: 6px; color: var(--ag-ink-3); }
.shell-map-body { flex: 1; display: grid; grid-template-columns: 92px minmax(0, 1fr) 120px; min-height: 0; }
.shell-map-rail { background: var(--ag-bg); border-right: 1px solid var(--ag-hairline); padding: 12px 9px; display: flex; flex-direction: column; gap: 6px; }
.shell-map-rail i { display: block; height: 7px; border-radius: 3px; background: var(--ag-fill-2); width: 78%; }
.shell-map-rail i:first-child { background: var(--ag-surface); box-shadow: var(--ag-shadow-1); width: 100%; height: 18px; }
.shell-map-main { padding: 15px 16px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.shell-map-head { display: flex; align-items: center; justify-content: space-between; }
.shell-map-head i { display: block; height: 12px; width: 34%; background: var(--ag-ink); border-radius: 3px; opacity: 0.9; }
.shell-map-head i:last-child { width: 18%; background: var(--ag-fill-2); }
.shell-map-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.shell-map-stats i { display: block; height: 38px; border-radius: 6px; border: 1px solid var(--ag-line); background: var(--ag-surface); }
.shell-map-block { flex: 1; min-height: 48px; border-radius: 7px; border: 1px solid var(--ag-hairline); background: var(--ag-surface); }
.shell-map-block.tall { flex: 2; }
.shell-map-inspector { background: var(--ag-surface); border-left: 1px solid var(--ag-hairline); padding: 14px 10px; display: flex; flex-direction: column; gap: 7px; }
.shell-map-inspector i { display: block; height: 7px; border-radius: 3px; background: var(--ag-fill-2); }
.shell-map-inspector i:nth-child(2) { width: 70%; }
.shell-map-tag {
  position: absolute; z-index: 2; padding: 3px 5px; border-radius: 4px;
  font-family: var(--ag-font-mono); font-size: 6.5px; letter-spacing: 0.05em;
  color: var(--ag-ink-2); background: var(--ag-surface);
  border: 1px solid var(--ag-line); white-space: nowrap;
}
.tag-chrome { left: 102px; top: 39px; }
.tag-primary { left: 122px; top: 60px; }
.tag-secondary { right: 6px; top: 60px; }
.tag-negative { left: 50%; bottom: 8px; transform: translateX(-50%); border-style: dashed; color: var(--ag-ink-3); }
.shell-map::after {
  content: ""; position: absolute; inset: 40px 4px 4px; border: 1px dashed color-mix(in srgb, var(--ag-ink) 22%, transparent);
  border-radius: 8px; pointer-events: none;
}
.zone-legend { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-top: 2px; }
.zone-legend div { display: grid; grid-template-columns: 8px 1fr; grid-template-rows: auto auto; column-gap: 7px; row-gap: 2px; align-items: center; }
.zone-dot { width: 8px; height: 8px; border-radius: 50%; grid-row: span 2; }
.zone-dot.chrome { background: var(--ag-line-strong); }
.zone-dot.primary { background: var(--ag-ink); }
.zone-dot.secondary { background: var(--ag-info-ink); }
.zone-dot.tertiary { background: var(--ag-warning-ink); }
.zone-legend b { font-size: 10px; font-weight: 600; color: var(--ag-ink); }
.zone-legend em { font-size: 9.5px; line-height: 1.4; color: var(--ag-ink-3); font-style: normal; }

.space-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.space-example { position: relative; display: flex; align-items: center; gap: 0; min-height: 74px; padding: 14px; border: 1px solid var(--ag-line); border-radius: 10px; background: var(--ag-surface); }
.space-box { width: 26px; height: 26px; border-radius: 4px; background: var(--ag-fill-2); border: 1px solid var(--ag-line); flex: none; }
.space-example.is-good .space-box:nth-of-type(2) { margin-left: 8px; }
.space-example.is-good .space-box:nth-of-type(3) { margin-left: 24px; }
.space-example.is-good .space-box:nth-of-type(4) { margin-left: 24px; }
.space-example.is-bad .space-box { margin-right: 2px; border-style: dashed; }
.space-example.is-bad .space-box + .space-box { border-left: 1px solid var(--ag-line); }
.space-gap { font-family: var(--ag-font-mono); font-size: 7px; color: var(--ag-ink-3); position: absolute; bottom: 6px; left: 52px; }
.space-gap.wide { left: 112px; }
.space-verdict { position: absolute; top: 8px; right: 9px; font-family: var(--ag-font-mono); font-size: 6.5px; letter-spacing: 0.08em; color: var(--ag-ink-3); }
.space-note { display: flex; gap: 12px; align-items: baseline; padding-top: 12px; border-top: 1px solid var(--ag-hairline); }
.space-note b { font-size: 10px; font-weight: 600; color: var(--ag-ink); white-space: nowrap; }
.space-note span { font-size: 10.5px; color: var(--ag-ink-3); line-height: 1.5; }

.rhythm-list { display: flex; flex-direction: column; gap: 9px; }
.rhythm-row { display: grid; grid-template-columns: 64px 1fr 64px; gap: 10px; align-items: center; }
.rhythm-tag { font-family: var(--ag-font-mono); font-size: 7px; letter-spacing: 0.06em; color: var(--ag-ink-3); }
.rhythm-bar { display: block; height: 8px; border-radius: 2px; background: var(--ag-fill-2); position: relative; overflow: hidden; }
.rhythm-bar::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: var(--r); background: var(--ag-ink); border-radius: 2px; }
.rhythm-bar.primary { --r: 100%; }
.rhythm-bar.secondary { --r: 62%; background: var(--ag-info-soft); }
.rhythm-bar.secondary::after { background: var(--ag-info-ink); }
.rhythm-bar.tertiary { --r: 34%; background: var(--ag-warning-soft); }
.rhythm-bar.tertiary::after { background: var(--ag-warning-ink); }
.rhythm-row .ag-mono { font-size: 8px; color: var(--ag-ink-3); text-align: right; }
.lab-footnote { margin: 0; font-size: 10.5px; line-height: 1.5; color: var(--ag-ink-3); border-top: 1px solid var(--ag-hairline); padding-top: 12px; }

.split-demo { display: grid; grid-template-columns: 1fr 128px; gap: 0; border: 1px solid var(--ag-line); border-radius: 10px; overflow: hidden; min-height: 172px; background: var(--ag-surface); transition: grid-template-columns 320ms var(--ag-ease-settle); }
.split-demo.is-collapsed { grid-template-columns: 1fr 0px; }
.split-main { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.split-inspector { border-left: 1px solid var(--ag-hairline); background: var(--ag-surface-sunken); padding: 14px 10px; display: flex; flex-direction: column; gap: 9px; overflow: hidden; }
.split-demo.is-collapsed .split-inspector { padding-left: 0; padding-right: 0; opacity: 0; }
.split-lines { display: flex; flex-direction: column; gap: 6px; }
.split-lines i { display: block; height: 7px; border-radius: 3px; background: var(--ag-fill-2); width: 90%; }
.split-lines i:nth-child(2) { width: 70%; }
.split-lines i:nth-child(3) { width: 80%; }
.split-lines i:nth-child(4) { width: 54%; }
.split-lines.small i { height: 5px; width: 100%; }
.split-lines.small i:nth-child(2) { width: 80%; }
.split-inspector .ag-btn { margin-top: 4px; font-size: 10px; }

.rhythm-page { display: flex; flex-direction: column; gap: 16px; }
.rhythm-page-row { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 20px; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--ag-hairline); }
.rhythm-page-row:last-child { border-bottom: 0; padding-bottom: 0; }
.rhythm-page-title { height: 20px; width: 34%; border-radius: 4px; background: var(--ag-ink); opacity: 0.9; }
.rhythm-page-sub { height: 6px; width: 48%; border-radius: 3px; background: var(--ag-fill-2); margin-top: 7px; }
.rhythm-page-actions { display: flex; gap: 5px; justify-content: flex-end; }
.rhythm-page-actions i { display: block; width: 60px; height: 20px; border-radius: 5px; background: var(--ag-ink); opacity: 0.9; }
.rhythm-page-actions i:last-child { background: var(--ag-fill-2); }
.rhythm-page-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.rhythm-page-stats i { display: block; height: 34px; border-radius: 6px; border: 1px solid var(--ag-line); background: var(--ag-surface); }
.rhythm-page-work { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.rhythm-page-work i { display: block; height: 46px; border-radius: 5px; background: var(--ag-fill); border: 1px solid var(--ag-hairline); }


.lab-top.is-scrolled {
  box-shadow: 0 1px 0 var(--lab-hairline), 0 10px 28px rgba(16, 18, 24, 0.06);
}
[data-theme="dark"] .lab-top.is-scrolled {
  box-shadow: 0 1px 0 var(--lab-hairline), 0 10px 28px rgba(0, 0, 0, 0.35);
}
.split-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--ag-hairline); margin-bottom: 2px;
}
.split-toolbar .ag-kicker { font-size: 7.5px; }


/* --------------------------------------------------------------------------
   Actions
   -------------------------------------------------------------------------- */

.action-board { display: flex; flex-direction: column; gap: 12px; }
.action-line { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 16px; align-items: center; padding: 9px 0; border-top: 1px solid var(--ag-hairline); }
.action-line:first-child { border-top: 0; padding-top: 0; }
.action-line:last-child { padding-bottom: 0; }
.action-label { font-family: var(--ag-font-mono); font-size: 7px; letter-spacing: 0.08em; color: var(--ag-ink-3); }
.action-line .ag-cluster { gap: 8px; }

.state-matrix { display: flex; flex-direction: column; border: 1px solid var(--ag-line); border-radius: 12px; overflow: hidden; background: var(--ag-surface); }
.state-matrix-head, .state-row { display: grid; grid-template-columns: 92px repeat(6, minmax(0, 1fr)); align-items: center; }
.state-matrix-head { min-height: 30px; background: var(--ag-surface-sunken); border-bottom: 1px solid var(--ag-hairline); }
.state-matrix-head span { padding: 0 8px; font-family: var(--ag-font-mono); font-size: 6.5px; letter-spacing: 0.06em; color: var(--ag-ink-3); text-align: center; }
.state-matrix-head span:first-child { text-align: left; }
.state-row { min-height: 50px; border-bottom: 1px solid var(--ag-hairline); }
.state-row:last-child { border-bottom: 0; }
.state-row-label { padding: 0 8px; font-family: var(--ag-font-mono); font-size: 6.5px; letter-spacing: 0.06em; color: var(--ag-ink-3); }
.state-row .ag-btn { justify-self: center; }
.state-row .ag-link { justify-self: center; }

.anatomy { position: relative; display: flex; align-items: center; justify-content: center; min-height: 118px; padding: 30px 10px; }
.anatomy-target { position: relative; z-index: 1; }
.anatomy-label { position: absolute; font-family: var(--ag-font-mono); font-size: 7px; color: var(--ag-ink-3); white-space: nowrap; }
.anatomy-label.top { top: 4px; left: 50%; transform: translateX(-50%); }
.anatomy-label.bottom { bottom: 4px; left: 50%; transform: translateX(-50%); }
.anatomy-label.left { left: 2px; top: 50%; transform: translateY(-50%); }
.anatomy-label.right { right: 2px; top: 50%; transform: translateY(-50%); }
.anatomy-rule { position: absolute; background: var(--ag-line-strong); opacity: 0.7; }
.anatomy-rule.h { left: 8%; right: 8%; height: 1px; }
.anatomy-rule.top-rule { top: 28px; }
.anatomy-rule.bottom-rule { bottom: 28px; }
.anatomy-specs { display: flex; gap: 16px; justify-content: center; padding-top: 8px; border-top: 1px solid var(--ag-hairline); font-size: 9px; color: var(--ag-ink-3); flex-wrap: wrap; }
.anatomy-specs b { color: var(--ag-ink-2); font-weight: 500; margin-right: 3px; }
.action-group-demo { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; }
.split-action { display: inline-flex; align-items: center; }
.split-action .ag-btn:first-child { border-radius: var(--ag-radius-md) 0 0 var(--ag-radius-md); }
.split-action .ag-btn:last-child { border-radius: 0 var(--ag-radius-md) var(--ag-radius-md) 0; border-left: 1px solid color-mix(in srgb, var(--ag-on-accent) 24%, transparent); padding: 0; width: 28px; }

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */

.field-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px 18px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.choice-block { display: flex; flex-direction: column; gap: 7px; }
.choice-block .ag-kicker { font-size: 6.5px; margin-bottom: 1px; }
.complex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.complex-grid .is-full { grid-column: 1 / -1; }
.form-demo { border: 1px solid var(--ag-line); border-radius: 14px; padding: 18px; background: var(--ag-surface); display: flex; flex-direction: column; gap: 18px; }
.form-demo-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--ag-hairline); }
.form-demo-head h4 { margin: 5px 0 0; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.form-demo-head p { margin: 4px 0 0; font-size: 11px; color: var(--ag-ink-3); }
.form-demo-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--ag-hairline); }
.field-switch { padding: 0; }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */

.tabs-board { display: grid; grid-template-columns: 1fr; gap: 18px; }
.tabs-sample { border: 1px solid var(--ag-line); border-radius: 12px; padding: 14px; background: var(--ag-surface); display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; align-items: center; }
.tabs-sample:nth-child(3) { grid-template-columns: 180px minmax(0, 1fr); }
.tabs-sample .ag-tabs.is-vertical { align-self: stretch; }
.tabs-panel { border-left: 1px solid var(--ag-hairline); padding-left: 18px; display: flex; flex-direction: column; gap: 10px; min-height: 60px; justify-content: center; }
.tabs-panel > span { font-family: var(--ag-font-mono); font-size: 6.5px; letter-spacing: 0.06em; color: var(--ag-ink-3); }
.tabs-panel .split-lines { max-width: 360px; }
.wayfinding { display: flex; flex-direction: column; gap: 18px; }
.wayfinding-row { display: grid; grid-template-columns: 94px minmax(0, 1fr); gap: 20px; align-items: center; padding-bottom: 16px; border-bottom: 1px solid var(--ag-hairline); }
.wayfinding-row:last-child { border-bottom: 0; padding-bottom: 0; }
.wayfinding-row .ag-kicker { font-size: 6.5px; }
.wayfinding-row .ag-steps { width: 100%; }

/* --------------------------------------------------------------------------
   Feedback
   -------------------------------------------------------------------------- */

.banner-stack { display: flex; flex-direction: column; gap: 8px; }
.banner-stack .ag-banner { align-items: center; }
.banner-stack .ag-banner-body { padding-right: 10px; }
.feedback-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.progress-stack { display: flex; flex-direction: column; gap: 14px; padding-top: 12px; border-top: 1px solid var(--ag-hairline); }
.progress-stack .ag-kicker { display: block; margin-bottom: 6px; font-size: 6.5px; }
.spinner-row { display: flex; align-items: center; gap: 12px; }
.skeleton-demo { display: flex; flex-direction: column; gap: 9px; border: 1px solid var(--ag-line); border-radius: 10px; padding: 16px; background: var(--ag-surface); }
.skeleton-demo-head { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.skeleton-table { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.skeleton-table span { display: block; width: 100%; }
.state-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.state-card { border: 1px solid var(--ag-line); border-radius: 12px; background: var(--ag-surface); padding: 24px 18px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 7px; }
.state-card .ag-empty-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--ag-fill); color: var(--ag-ink-3); margin-bottom: 2px; }
.state-card .ag-empty-icon .ag-icon { width: 19px; height: 19px; }
.state-card h4 { margin: 0; font-size: 12.5px; font-weight: 600; }
.state-card p { margin: 0; font-size: 10.5px; line-height: 1.5; color: var(--ag-ink-3); max-width: 240px; }
.state-card.is-error .ag-empty-icon { background: var(--ag-danger-soft); color: var(--ag-danger-ink); }
.state-card.is-saved .state-check { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--ag-success-soft); color: var(--ag-success-ink); }
.state-card.is-saved .state-check .ag-icon { width: 19px; height: 19px; }
.state-card .ag-save { margin-top: 2px; }

/* --------------------------------------------------------------------------
   Responsive additions
   -------------------------------------------------------------------------- */

@media (max-width: 1180px) {
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tabs-sample, .tabs-sample:nth-child(3) { grid-template-columns: 1fr; }
  .tabs-panel { border-left: 0; border-top: 1px solid var(--ag-hairline); padding-left: 0; padding-top: 12px; }
  .state-cards { grid-template-columns: 1fr; }
  .state-matrix-head, .state-row { grid-template-columns: 70px repeat(6, minmax(0, 1fr)); }
  .state-row .ag-btn { font-size: 10px; padding: 0 7px; }
}
@media (max-width: 760px) {
  .action-line { grid-template-columns: 1fr; gap: 6px; }
  .field-grid, .complex-grid, .choice-grid { grid-template-columns: 1fr; }
  .state-matrix { overflow-x: auto; }
  .state-matrix-head, .state-row { min-width: 620px; }
  .wayfinding-row { grid-template-columns: 1fr; gap: 8px; }
  .form-demo-foot { align-items: flex-start; flex-direction: column; }
}


/* --------------------------------------------------------------------------
   Data
   -------------------------------------------------------------------------- */

.table-specimen { display: flex; flex-direction: column; border: 1px solid var(--ag-line); border-radius: 13px; overflow: hidden; background: var(--ag-surface); }
.table-toolbar { display: flex; align-items: center; gap: 7px; padding: 10px 11px; border-bottom: 1px solid var(--ag-hairline); flex-wrap: wrap; }
.table-search { width: 230px; }
.table-search .ag-input { height: 30px; font-size: 11px; }
.table-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 11px; border-top: 1px solid var(--ag-hairline); }
.bulk-inline { display: flex; align-items: center; gap: 9px; padding: 8px 11px; background: var(--ag-brand-soft); border-top: 1px solid var(--ag-hairline); font-size: 10.5px; color: var(--ag-ink-2); }
.bulk-inline b { color: var(--ag-ink); }
.table-states { display: flex; flex-direction: column; gap: 12px; }
.mini-table-loading { display: flex; flex-direction: column; gap: 5px; border: 1px solid var(--ag-line); border-radius: 9px; padding: 9px; background: var(--ag-surface); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stats-grid .ag-stat { padding: 12px; gap: 7px; }
.stats-grid .ag-stat-value { font-size: 22px; }
.chart-specimen { border: 1px solid var(--ag-line); border-radius: 11px; padding: 13px; background: var(--ag-surface); display: flex; flex-direction: column; gap: 8px; }
.chart-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.chart-head b { display: block; margin-top: 3px; font-size: 15px; font-weight: 600; letter-spacing: -0.02em; }
.chart-head .ag-kicker { font-size: 6.5px; }
.records-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 16px; align-items: start; }
.records-grid .ag-kv { border: 1px solid var(--ag-line); border-radius: 10px; padding: 12px; background: var(--ag-surface); }
.records-grid .ag-list { border-radius: 10px; }

/* --------------------------------------------------------------------------
   Overlays
   -------------------------------------------------------------------------- */

.overlay-board { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 22px; align-items: start; }
.overlay-demo { display: flex; flex-direction: column; gap: 9px; min-height: 140px; position: relative; }
.overlay-demo .ag-kicker { font-size: 6.5px; }
.overlay-demo > .ag-btn { align-self: flex-start; }
.tooltip-specimen {
  margin-top: 2px; align-self: flex-start; padding: 5px 8px; border-radius: 6px;
  background: var(--ag-accent); color: var(--ag-on-accent);
  font-size: 9px; font-weight: 500; white-space: nowrap; box-shadow: var(--ag-shadow-2);
  position: relative;
}
.tooltip-specimen::after { content: ""; position: absolute; left: 14px; bottom: -4px; width: 8px; height: 8px; background: var(--ag-accent); transform: rotate(45deg); }
.menu-specimen { border: 1px solid var(--ag-line); border-radius: 10px; background: var(--ag-surface-raised); padding: 5px; box-shadow: var(--ag-shadow-1); }
.menu-specimen .ag-menu { width: 100%; }
.menu-specimen .ag-menu-item.is-active { background: var(--ag-hover); color: var(--ag-ink); }
.dialog-preview { border: 1px solid var(--ag-line); border-radius: 13px; overflow: hidden; background: var(--ag-surface-raised); box-shadow: var(--ag-shadow-1); }
.dialog-preview-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 13px 14px 9px; }
.dialog-preview-head b { display: block; margin-top: 3px; font-size: 13px; font-weight: 600; }
.dialog-preview-head .ag-kicker { font-size: 6.5px; }
.dialog-preview-body { padding: 0 14px 13px; }
.dialog-preview-body .ag-input { height: 30px; font-size: 11px; }
.dialog-preview-foot { display: flex; justify-content: flex-end; gap: 6px; padding: 9px 14px; border-top: 1px solid var(--ag-hairline); }
.dialog-preview-foot .ag-btn { height: 26px; font-size: 10px; padding: 0 9px; }
.overlay-stack { display: flex; flex-direction: column; gap: 12px; }
.sheet-preview { display: grid; grid-template-columns: 1fr 112px; border: 1px solid var(--ag-line); border-radius: 10px; overflow: hidden; min-height: 112px; background: var(--ag-surface); }
.sheet-preview-main { padding: 13px; display: flex; flex-direction: column; gap: 10px; }
.sheet-preview-side { border-left: 1px solid var(--ag-hairline); background: var(--ag-surface-sunken); padding: 12px 10px; display: flex; flex-direction: column; gap: 9px; }
.sheet-preview .ag-kicker { font-size: 6.5px; }
.sheet-preview .split-lines { max-width: 280px; }

@media (max-width: 1180px) {
  .overlay-board { grid-template-columns: 1fr 1fr; }
  .records-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .overlay-board { grid-template-columns: 1fr; }
  .table-toolbar { align-items: flex-start; }
  .table-search { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .bulk-inline { flex-wrap: wrap; }
}


/* --------------------------------------------------------------------------
   Patterns
   -------------------------------------------------------------------------- */

.lab-accordion-group { display: flex; flex-direction: column; border: 1px solid var(--ag-line); border-radius: 11px; overflow: hidden; background: var(--ag-surface); }
.lab-accordion { border-bottom: 1px solid var(--ag-hairline); }
.lab-accordion:last-child { border-bottom: 0; }
.lab-accordion summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 84px minmax(0, 1fr) 18px; align-items: center; gap: 10px;
  min-height: 42px; padding: 0 12px;
  color: var(--ag-ink-2); font-size: 11.5px;
}
.lab-accordion summary::-webkit-details-marker { display: none; }
.lab-accordion summary > span:last-child { color: var(--ag-ink-3); transition: transform var(--ag-dur-3) var(--ag-ease-settle); }
.lab-accordion[open] summary > span:last-child { transform: rotate(180deg); }
.lab-accordion summary .ag-kicker { font-size: 6.5px; }
.lab-accordion summary:hover { background: var(--ag-hover); color: var(--ag-ink); }
.lab-accordion-body { padding: 0 14px 14px 106px; }
.lab-accordion-body p { margin: 0 0 8px; font-size: 10.5px; line-height: 1.5; color: var(--ag-ink-3); }
.lab-accordion-body .ag-kv { font-size: 10px; grid-template-columns: 70px 1fr; }

.pattern-save { display: flex; flex-direction: column; gap: 12px; }
.pattern-save-copy { display: flex; flex-direction: column; gap: 4px; }
.pattern-save-copy p { margin: 0; font-size: 10.5px; color: var(--ag-ink-3); }
.danger-zone { display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 1px solid var(--ag-danger-soft); background: color-mix(in srgb, var(--ag-danger-soft) 35%, var(--ag-surface)); border-radius: 10px; padding: 13px; }
.danger-zone-copy { display: flex; flex-direction: column; gap: 2px; }
.danger-zone-copy b { font-size: 11.5px; font-weight: 600; color: var(--ag-danger-ink); }
.danger-zone-copy p { margin: 0; font-size: 10px; color: var(--ag-ink-3); }
.undo-line { display: flex; align-items: center; gap: 8px; padding-top: 10px; border-top: 1px solid var(--ag-hairline); flex-wrap: wrap; }
.undo-line .ag-btn { margin-left: auto; }

.wizard-demo { display: flex; flex-direction: column; gap: 20px; border: 1px solid var(--ag-line); border-radius: 13px; padding: 18px; background: var(--ag-surface); }
.wizard-body { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 26px; align-items: start; }
.wizard-copy h4 { margin: 5px 0 0; font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.wizard-copy p { margin: 5px 0 0; font-size: 10.5px; line-height: 1.5; color: var(--ag-ink-3); }
.wizard-body .ag-form-grid { gap: 12px; }
.wizard-body .ag-input { height: 30px; font-size: 11px; }
.wizard-foot { display: flex; align-items: center; gap: 10px; padding-top: 14px; border-top: 1px solid var(--ag-hairline); }
.wizard-foot .ag-spacer { flex: 1; }
.permission-card { display: flex; align-items: center; gap: 11px; padding: 13px; border: 1px solid var(--ag-line); border-radius: 10px; background: var(--ag-surface); }
.permission-card .ag-empty-icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--ag-fill); color: var(--ag-ink-3); flex: none; }
.permission-card .ag-empty-icon .ag-icon { width: 17px; height: 17px; }
.permission-card > div { flex: 1; min-width: 0; }
.permission-card b { font-size: 11px; font-weight: 600; }
.permission-card p { margin: 2px 0 0; font-size: 10px; color: var(--ag-ink-3); }
.bulk-inline.is-large { border: 1px solid var(--ag-line); border-radius: 9px; background: var(--ag-brand-soft); }
.kbd-grid { display: grid; grid-template-columns: 1fr auto; gap: 10px 18px; align-items: center; font-size: 10.5px; color: var(--ag-ink-2); }
.kbd-grid > span:nth-child(even) { display: flex; gap: 4px; justify-content: flex-end; }

/* --------------------------------------------------------------------------
   Motion
   -------------------------------------------------------------------------- */

.motion-token-list { display: flex; flex-direction: column; gap: 9px; }
.motion-token-list > div { display: grid; grid-template-columns: 55px 52px 1fr; align-items: center; gap: 9px; }
.motion-token-list b { font-family: var(--ag-font-mono); font-size: 10px; font-weight: 500; color: var(--ag-ink); }
.motion-token-list code { font-family: var(--ag-font-mono); font-size: 7.5px; color: var(--ag-ink-3); }
.motion-token-list .ag-kicker { font-size: 6.5px; }
.motion-line { grid-column: 1 / -1; height: 2px; width: var(--w); background: var(--ag-ink); border-radius: 1px; margin-top: -3px; opacity: 0.6; }
.swap-demo { position: relative; min-height: 124px; border: 1px solid var(--ag-line); border-radius: 10px; background: var(--ag-surface); overflow: hidden; }
.swap-panel { position: absolute; inset: 0; padding: 16px; display: flex; flex-direction: column; gap: 12px; opacity: 0; transform: translateX(14px); transition: opacity var(--ag-dur-4) ease, transform var(--ag-dur-4) var(--ag-ease-settle); }
.swap-panel.is-on { opacity: 1; transform: none; position: relative; }
.swap-panel .ag-kicker { font-size: 6.5px; }
.prefers-motion { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.reduced-demo { display: flex; align-items: center; gap: 18px; padding-top: 12px; border-top: 1px solid var(--ag-hairline); }
.reduced-square { width: 18px; height: 18px; border-radius: 5px; background: var(--ag-ink); transition: transform var(--ag-dur-4) var(--ag-ease-settle); }
.reduced-square.is-moved { transform: translateX(72px); }
[data-motion="off"] .reduced-square { transition: none; }

/* --------------------------------------------------------------------------
   Examples
   -------------------------------------------------------------------------- */

.example-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.example-card { border: 1px solid var(--ag-line); border-radius: 17px; overflow: hidden; background: var(--lab-paper); color: var(--ag-ink); transition: border-color var(--ag-dur-2) ease, transform var(--ag-dur-3) var(--ag-ease-settle); }
.example-card:hover { border-color: var(--ag-line-strong); transform: translateY(-2px); }
.example-preview { height: 160px; background: var(--ag-surface); position: relative; overflow: hidden; border-bottom: 1px solid var(--ag-hairline); }
.example-preview span { position: absolute; display: block; background: var(--ag-fill-2); border-radius: 3px; }
.example-copy { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 4px; }
.example-copy h4 { margin: 2px 0 0; font-family: var(--ag-font-display); font-size: 25px; font-weight: 400; letter-spacing: -0.03em; }
.example-copy p { margin: 0 0 6px; font-size: 10.5px; line-height: 1.55; color: var(--ag-ink-3); max-width: 380px; }
.example-copy .ag-link { font-size: 10.5px; }
.example-copy .ag-kicker { font-size: 6.5px; }
.preview-pulse .pv-top { left: 16px; right: 16px; top: 14px; height: 10px; }
.preview-pulse .pv-rail { left: 16px; top: 38px; width: 42px; bottom: 14px; }
.preview-pulse .pv-stat { top: 38px; height: 34px; width: 76px; left: 72px; }
.preview-pulse .pv-stat:nth-of-type(3) { left: 158px; }
.preview-pulse .pv-stat:nth-of-type(4) { left: 244px; }
.preview-pulse .pv-table { left: 72px; right: 16px; top: 84px; bottom: 14px; }
.preview-settings .pv-top { left: 16px; right: 16px; top: 14px; height: 10px; }
.preview-settings .pv-rail { left: 16px; top: 38px; width: 78px; bottom: 14px; }
.preview-settings .pv-form { left: 112px; top: 40px; width: 160px; height: 22px; }
.preview-settings .pv-form.short { top: 72px; width: 120px; }
.preview-settings .pv-toggle { right: 22px; top: 44px; width: 34px; height: 16px; border-radius: 999px; background: var(--ag-accent); }
.preview-onboarding .pv-step { left: 18px; right: 18px; top: 20px; height: 12px; background: var(--ag-fill); }
.preview-onboarding .pv-field { left: 50%; top: 58px; width: 180px; height: 18px; transform: translateX(-50%); }
.preview-onboarding .pv-field.short { top: 86px; width: 140px; }
.preview-onboarding .pv-button { left: 50%; top: 118px; width: 64px; height: 18px; transform: translateX(-50%); background: var(--ag-accent); }
.preview-motion { background: #111214; }
.preview-motion .pv-canvas { left: 16px; right: 16px; top: 16px; height: 74px; background: linear-gradient(130deg, #1f4f57, #07151a); }
.preview-motion .pv-timeline { left: 16px; right: 16px; bottom: 16px; height: 42px; background: rgba(255,255,255,.08); }
.preview-motion .pv-clip { left: 36px; top: 102px; width: 92px; height: 8px; background: rgba(181,230,85,.55); }

@media (max-width: 1180px) {
  .wizard-body { grid-template-columns: 1fr; }
  .example-grid { grid-template-columns: 1fr; }
  .danger-zone { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 760px) {
  .lab-accordion summary { grid-template-columns: 64px minmax(0, 1fr) 16px; }
  .lab-accordion-body { padding-left: 14px; }
  .kbd-grid { grid-template-columns: 1fr; }
  .kbd-grid > span:nth-child(even) { justify-content: flex-start; margin-top: -6px; }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.lab-footer {
  margin-top: 100px;
  padding: 30px 0 0;
  border-top: 1px solid var(--lab-hairline);
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 24px;
  align-items: start;
}
.lab-footer-mark { display: flex; align-items: center; gap: 9px; font-size: 10px; font-weight: 600; letter-spacing: 0.2em; }
.lab-footer p { margin: 0; max-width: 420px; font-size: 11px; line-height: 1.55; color: var(--ag-ink-3); }
.lab-footer-meta { display: flex; gap: 14px; font-family: var(--ag-font-mono); font-size: 8px; letter-spacing: 0.08em; color: var(--ag-ink-3); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1360px) {
  .lab-top-nav a { padding: 0 7px; }
  .lab-top-nav a:nth-child(n+8) { display: none; }
  .lab-main { padding: 0 40px 90px; }
  .lab-hero { grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr); gap: 32px; }
}
@media (max-width: 1180px) {
  .lab-top-nav { display: none; }
  .lab-shell { grid-template-columns: 214px minmax(0, 1fr); }
  .lab-rail { padding-left: 16px; padding-right: 16px; }
  .lab-main { padding: 0 32px 80px; }
  .lab-hero { grid-template-columns: 1fr; min-height: 0; padding-top: 40px; gap: 38px; }
  .lab-hero-copy { max-width: 720px; }
  .lab-hero-stage { min-height: 430px; }
  .theme-columns { grid-template-columns: 1fr; }
  .type-row { grid-template-columns: 1fr 190px; gap: 18px; }
  .lab-plate { grid-column: 1 / -1; }
  .lab-section-head { grid-template-columns: 46px minmax(0, 1fr) 120px; gap: 18px; }
}
@media (max-width: 960px) {
  .lab-shell { display: block; }
  .lab-rail { display: none; }
  .lab-main { padding: 0 24px 70px; }
  .lab-top-inner { padding: 0 16px; gap: 12px; }
  .lab-search-label, .lab-search .ag-kbd { display: none; }
  .lab-search { width: 30px; padding: 0; justify-content: center; }
  .lab-brand-type em { display: none; }
  .lab-strip { display: none; }
  .lab-section-head { grid-template-columns: 38px minmax(0, 1fr); }
  .lab-section-meta { display: none; }
  .lab-hero-title { font-size: clamp(52px, 9vw, 76px); }
  .zone-legend { grid-template-columns: 1fr 1fr; }
  .lab-footer { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lab-top-nav, .lab-theme, .lab-icon-btn, .lab-spec-btn span:last-child { display: none; }
  .lab-hero-actions .ag-btn { width: 100%; }
  .lab-hero-meta { gap: 14px; }
  .lab-section { padding-top: 54px; }
  .lab-section-head { grid-template-columns: 1fr; }
  .lab-section-index { display: none; }
  .lab-section-title { font-size: 36px; }
  .lab-plate-head { padding: 16px; }
  .lab-plate-stage { padding: 18px 14px; }
  .type-row { grid-template-columns: 1fr; gap: 8px; }
  .type-display { font-size: 42px; }
  .space-rules { grid-template-columns: 1fr 1fr; }
  .shadow-row, .motion-specs { grid-template-columns: 1fr; }
  .brand-row { grid-template-columns: 1fr 1fr; }
  .space-pair { grid-template-columns: 1fr; }
  .rhythm-page-row { grid-template-columns: 1fr; gap: 8px; }
  .lab-hero-stage { padding: 24px; min-height: 380px; }
  .lab-island-specimen { width: 100%; }
  .lab-island-row .ag-switch span { display: none; }
}