:root {
  color-scheme: dark;
  --bg: #0b0910;
  --bg-deep: #07060a;
  --surface: #17131c;
  --surface-2: #211a27;
  --surface-3: #2b2232;
  --surface-soft: rgba(39, 30, 46, 0.72);
  --line: rgba(238, 198, 185, 0.16);
  --line-strong: rgba(238, 198, 185, 0.34);
  --cream: #f7f0e9;
  --muted: #b9acb5;
  --muted-2: #887c86;
  --peach: #ff8b82;
  --peach-soft: #ffb2a6;
  --rose: #e9b5aa;
  --gold: #d7ad79;
  --jade: #79dda7;
  --amber: #efbd69;
  --red: #ff7777;
  --blue: #8eb7ff;
  --violet: #bf9bff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.26);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --tap: 48px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg-deep);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--cream);
  background:
    radial-gradient(circle at 14% 2%, rgba(255, 139, 130, 0.14), transparent 28rem),
    radial-gradient(circle at 88% 18%, rgba(215, 173, 121, 0.09), transparent 34rem),
    linear-gradient(155deg, var(--bg-deep), var(--bg) 45%, #110d15);
  overscroll-behavior-y: none;
}

button, input, textarea, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(255, 178, 166, 0.72);
  outline-offset: 3px;
}

.app-shell {
  width: min(1560px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: calc(18px + var(--safe-top)) calc(18px + var(--safe-right)) calc(34px + var(--safe-bottom)) calc(18px + var(--safe-left));
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 8px 24px;
}

.brand-block { min-width: 0; }
.eyebrow {
  margin: 0 0 7px;
  color: var(--rose);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3, h4, p { margin-top: 0; }
h1 {
  margin-bottom: 8px;
  font-family: Optima, Didot, "Bodoni MT", Georgia, serif;
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 400;
  letter-spacing: .015em;
  line-height: .98;
}

.header-copy {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.research-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(18, 14, 22, .75);
  box-shadow: inset 0 1px rgba(255,255,255,.04);
  font-size: 12px;
  white-space: nowrap;
}
.research-chip-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 14px rgba(121, 221, 167, .7);
}

.primary-tabs {
  position: sticky;
  z-index: 30;
  top: calc(8px + var(--safe-top));
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(14, 11, 17, .86);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
}

.primary-tab {
  min-height: var(--tap);
  padding: 10px 12px;
  border: 0;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .025em;
  cursor: pointer;
  transition: transform 140ms var(--ease), color 140ms var(--ease), background 140ms var(--ease), box-shadow 140ms var(--ease);
}
.primary-tab:active { transform: scale(.97); }
.primary-tab.is-active {
  color: #170f16;
  background: linear-gradient(135deg, var(--peach-soft), var(--rose));
  box-shadow: 0 8px 22px rgba(255, 139, 130, .22), inset 0 1px rgba(255,255,255,.55);
}

#view-root { padding: 28px 0 0; }

.view-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 10px 8px 20px;
}
.view-intro-copy { max-width: 820px; }
.view-intro h2 {
  margin-bottom: 8px;
  font-family: Optima, Didot, Georgia, serif;
  font-size: clamp(27px, 3.4vw, 42px);
  font-weight: 400;
  line-height: 1.05;
}
.view-intro p { margin-bottom: 0; color: var(--muted); line-height: 1.55; }
.view-stat {
  flex: 0 0 auto;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--rose);
  background: var(--surface-soft);
  font-size: 12px;
  font-weight: 800;
}

.catalog-toolbar {
  position: sticky;
  z-index: 20;
  top: calc(76px + var(--safe-top));
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 12px;
  margin-bottom: 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(20, 15, 24, .86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.search-field { position: relative; display: block; }
.search-field::before {
  content: "⌕";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-52%);
  color: var(--muted-2);
  font-size: 23px;
  pointer-events: none;
}
.search-field input {
  width: 100%;
  min-height: var(--tap);
  padding: 11px 14px 11px 43px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--cream);
  background: #0f0c13;
  caret-color: var(--peach);
}
.search-field input::placeholder { color: var(--muted-2); }
.toolbar-actions { display: flex; gap: 8px; }
.filter-button,
.text-button,
.secondary-button,
.impression-button {
  min-height: var(--tap);
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--cream);
  background: linear-gradient(145deg, var(--surface-3), var(--surface));
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: inset 0 1px rgba(255,255,255,.045);
}
.filter-button[aria-pressed="true"],
.impression-button.is-selected {
  color: #181019;
  border-color: transparent;
  background: var(--rose);
}

.group-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 20px;
  padding: 2px 4px 8px;
  scrollbar-width: thin;
}
.group-chip {
  flex: 0 0 auto;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}
.group-chip.is-active {
  color: var(--cream);
  border-color: rgba(255, 139, 130, .46);
  background: rgba(255, 139, 130, .12);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(245px, 1fr));
  gap: 14px;
}

.catalog-card {
  position: relative;
  display: grid;
  grid-template-rows: 150px auto;
  min-height: 300px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--cream);
  text-align: left;
  background: linear-gradient(155deg, rgba(45, 34, 52, .92), rgba(22, 17, 27, .98));
  box-shadow: 0 8px 20px rgba(0,0,0,.18), inset 0 1px rgba(255,255,255,.035);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
@media (hover:hover) and (pointer:fine) {
  .catalog-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 178, 166, .42);
    box-shadow: 0 15px 34px rgba(0,0,0,.28), 0 0 22px rgba(255, 139, 130, .07);
  }
}
.catalog-card:active { transform: translateY(2px) scale(.992); }
.card-demo {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(255, 139, 130, .09), transparent 62%);
  background-size: 22px 22px, 22px 22px, auto;
  border-bottom: 1px solid var(--line);
}
.card-demo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(150deg, rgba(255,255,255,.04), transparent 32%, rgba(0,0,0,.12));
}
.card-body { padding: 17px 17px 18px; }
.card-kicker {
  margin: 0 0 7px;
  color: var(--rose);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.card-title { margin: 0 0 8px; font-size: 18px; line-height: 1.1; }
.card-summary { margin: 0 0 13px; color: var(--muted); font-size: 13px; line-height: 1.46; }
.term-row { display: flex; flex-wrap: wrap; gap: 6px; }
.term-pill {
  padding: 5px 8px;
  border: 1px solid rgba(238, 198, 185, .13);
  border-radius: 999px;
  color: var(--muted-2);
  background: rgba(5,4,7,.18);
  font-size: 10px;
  line-height: 1.2;
}
.card-arrow {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--rose);
  background: rgba(255,255,255,.035);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 60px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  text-align: center;
  background: rgba(20,15,24,.45);
}

/* Mini diagrams and playground controls */
.control-figure {
  --value: .5;
  --x: .5;
  --y: .5;
  --angle: 0deg;
  --progress: 0;
  --range-start: .24;
  --range-end: .74;
  position: relative;
  display: grid;
  place-items: center;
  width: 122px;
  height: 112px;
  color: var(--cream);
  user-select: none;
  -webkit-user-select: none;
}
.control-figure.is-large { width: min(430px, 84vw); height: min(380px, 48vh); }
.control-figure * { pointer-events: none; }

.face {
  position: relative;
  display: grid;
  place-items: center;
  color: var(--cream);
  background: linear-gradient(145deg, #3a2f40, #17131c 70%);
  border: 1px solid rgba(239, 198, 185, .34);
  box-shadow:
    inset 2px 2px 3px rgba(255,255,255,.13),
    inset -4px -5px 8px rgba(0,0,0,.42),
    0 8px 18px rgba(0,0,0,.34);
  transition: transform 130ms var(--ease), box-shadow 130ms var(--ease), filter 130ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}
.face .neutral-label { font-size: 11px; font-weight: 850; letter-spacing: .04em; }
.is-large .face .neutral-label { font-size: 16px; }

.visual-round-button .face { width: 76px; height: 76px; border-radius: 50%; }
.visual-square-button .face { width: 76px; height: 76px; border-radius: 16px; }
.visual-rectangular-button .face { width: 104px; height: 58px; border-radius: 14px; }
.visual-large-pad .face { width: 102px; height: 92px; border-radius: 22px; background: linear-gradient(145deg, #4b3543, #211720 72%); }
.visual-pill-button .face { width: 108px; height: 48px; border-radius: 999px; }
.visual-tile .face { width: 88px; height: 88px; border-radius: 19px; }
.visual-artwork-card .face,
.visual-disclosure-card .face {
  width: 92px;
  height: 104px;
  align-content: end;
  overflow: hidden;
  padding: 10px;
  border-radius: 18px;
  background:
    linear-gradient(to top, rgba(8,6,10,.9), transparent 58%),
    radial-gradient(circle at 35% 25%, rgba(255,139,130,.68), transparent 24%),
    linear-gradient(135deg, #5b3148, #201728 72%);
}
.visual-artwork-card .art-mark,
.visual-disclosure-card .art-mark { position:absolute; inset: 0; background: linear-gradient(135deg, transparent 50%, rgba(215,173,121,.24)); }
.visual-disclosure-card .chevron { position:absolute; right:9px; top:9px; color:var(--rose); }
.visual-menu-button .face { width: 82px; height: 58px; border-radius: 16px; }
.visual-menu-button .dots { display:flex; gap:5px; }
.visual-menu-button .dots i { width:6px; height:6px; border-radius:50%; background:var(--rose); }

.visual-split-button .split-wrap {
  display: grid;
  grid-template-columns: 72px 32px;
  height: 52px;
  overflow: hidden;
  border: 1px solid rgba(239,198,185,.34);
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(0,0,0,.34);
}
.visual-split-button .split-primary,
.visual-split-button .split-secondary { display:grid; place-items:center; background:linear-gradient(145deg,#3a2f40,#17131c); font-size:10px; font-weight:800; }
.visual-split-button .split-secondary { border-left:1px solid var(--line-strong); color:var(--rose); }

.visual-rocker-switch .rocker {
  position:relative; display:grid; grid-template-columns:1fr 1fr; width:100px; height:54px; overflow:hidden; border-radius:13px; border:1px solid var(--line-strong); background:#0b0910; box-shadow:inset 0 7px 14px rgba(0,0,0,.55),0 8px 18px rgba(0,0,0,.28);
}
.visual-rocker-switch .rocker span { display:grid; place-items:center; color:var(--muted); font-size:10px; font-weight:900; }
.visual-rocker-switch .rocker span:first-child { background:linear-gradient(145deg,#433646,#211923); transform:perspective(80px) rotateY(-7deg); color:var(--cream); }
.visual-rocker-switch .rocker-side { transition:background 180ms var(--ease),transform 180ms var(--ease),color 180ms var(--ease); }
.visual-rocker-switch .rocker-side.is-active { color:var(--cream); background:linear-gradient(145deg,#67434c,#281c27); box-shadow:inset 0 0 0 1px rgba(255,178,166,.25),0 0 20px rgba(255,139,130,.24); transform:perspective(80px) rotateY(7deg) translateY(2px); }
.visual-rocker-switch .rocker-side.is-active.rocker-a { transform:perspective(80px) rotateY(-7deg) translateY(2px); }
.visual-toggle-switch .switch-track { position:relative; width:96px; height:48px; border-radius:999px; border:1px solid var(--line-strong); background:#17131c; box-shadow:inset 0 6px 15px rgba(0,0,0,.48); }
.visual-toggle-switch .switch-thumb { position:absolute; top:5px; left:5px; width:36px; height:36px; border-radius:50%; background:linear-gradient(145deg,var(--rose),#9b675f); box-shadow:0 6px 12px rgba(0,0,0,.45),inset 1px 1px rgba(255,255,255,.35); transform:translateX(calc(var(--value) * 49px)); transition:transform 220ms var(--ease); }

.segments { display:grid; grid-auto-flow:column; overflow:hidden; border:1px solid var(--line-strong); border-radius:12px; background:#0f0c13; }
.segments span { display:grid; place-items:center; min-width:31px; height:42px; padding:0 7px; border-right:1px solid var(--line); color:var(--muted); font-size:9px; font-weight:850; }
.segments span:last-child { border-right:0; }
.segments span.is-selected { color:#1b1118; background:var(--rose); }
.visual-radio-bar .segments { border-radius:999px; }
.visual-radio-bar .segments span { min-width:32px; border-radius:999px; border-right:0; }
.visual-stepper .stepper-wrap { display:grid; grid-template-columns:42px 42px 42px; height:48px; overflow:hidden; border:1px solid var(--line-strong); border-radius:13px; background:#0d0b10; }
.visual-stepper .stepper-wrap span { display:grid; place-items:center; border-right:1px solid var(--line); font-weight:900; }
.visual-stepper .stepper-wrap span:last-child { border-right:0; }
.visual-stepper .stepper-value { color:var(--rose); font-size:12px; }

.visual-reel-selector .reel { position:relative; width:84px; height:104px; overflow:hidden; border:1px solid var(--line-strong); border-radius:17px; background:linear-gradient(#0b0910,#2a202f 45%,#0b0910); box-shadow:inset 0 10px 18px rgba(0,0,0,.5),inset 0 -10px 18px rgba(0,0,0,.5); }
.visual-reel-selector .reel::after { content:""; position:absolute; left:7px; right:7px; top:37px; height:30px; border-top:1px solid rgba(255,178,166,.4); border-bottom:1px solid rgba(255,178,166,.4); background:rgba(255,139,130,.07); }
.visual-reel-selector .reel-list { display:grid; gap:10px; padding-top:11px; transform:translateY(calc((.5 - var(--value)) * 42px)); }
.visual-reel-selector .reel-list span { height:20px; text-align:center; color:var(--muted); font-size:10px; font-weight:800; }
.visual-reel-selector .reel-list span:nth-child(3) { color:var(--cream); }

.visual-carousel-item .carousel { position:relative; width:112px; height:92px; }
.visual-carousel-item .carousel-card { position:absolute; top:9px; width:64px; height:76px; border:1px solid var(--line-strong); border-radius:13px; background:linear-gradient(145deg,#55384a,#1a1420); box-shadow:0 8px 14px rgba(0,0,0,.32); }
.visual-carousel-item .carousel-card:nth-child(1) { left:1px; transform:scale(.82) rotate(-5deg); opacity:.48; }
.visual-carousel-item .carousel-card:nth-child(2) { left:24px; z-index:2; }
.visual-carousel-item .carousel-card:nth-child(3) { right:1px; transform:scale(.82) rotate(5deg); opacity:.48; }
.visual-carousel-item .carousel-card { display:grid; place-items:center; color:var(--muted-2); font-size:12px; font-weight:900; transition:left 240ms var(--ease),right 240ms var(--ease),transform 240ms var(--ease),opacity 240ms var(--ease),background 240ms var(--ease); }
.visual-carousel-item .carousel-card.is-active { left:24px; right:auto; z-index:4; color:var(--cream); background:linear-gradient(145deg,#7d505c,#241724); transform:scale(1) rotate(0); opacity:1; box-shadow:0 0 24px rgba(255,139,130,.22),0 8px 14px rgba(0,0,0,.32); }

.linear-control { position:relative; background:#0c0a0f; border:1px solid var(--line); box-shadow:inset 0 4px 10px rgba(0,0,0,.62); }
.linear-control .linear-fill { position:absolute; background:linear-gradient(90deg,var(--peach),var(--gold)); }
.linear-control .linear-thumb { position:absolute; border:1px solid rgba(255,255,255,.2); background:linear-gradient(145deg,#e7c1b8,#8f645d); box-shadow:0 5px 10px rgba(0,0,0,.45); }
.visual-vertical-fader .linear-control { width:34px; height:104px; border-radius:13px; }
.visual-vertical-fader .linear-fill { left:5px; right:5px; bottom:5px; height:calc(var(--value) * 94px); border-radius:8px; background:linear-gradient(0deg,var(--peach),var(--gold)); opacity:.38; }
.visual-vertical-fader .linear-thumb { left:-8px; width:50px; height:21px; bottom:calc(var(--value) * 83px); border-radius:7px; transform:translateY(50%); }
.visual-horizontal-fader .linear-control,
.visual-crossfader .linear-control,
.visual-continuous-slider .linear-control,
.visual-scrubber .linear-control,
.visual-ribbon-controller .linear-control { width:112px; height:25px; border-radius:999px; }
.visual-horizontal-fader .linear-fill,
.visual-continuous-slider .linear-fill,
.visual-scrubber .linear-fill,
.visual-ribbon-controller .linear-fill { left:4px; top:4px; bottom:4px; width:calc(var(--value) * 104px); border-radius:999px; opacity:.48; }
.visual-horizontal-fader .linear-thumb,
.visual-crossfader .linear-thumb,
.visual-continuous-slider .linear-thumb,
.visual-scrubber .linear-thumb { top:-8px; left:calc(var(--value) * 89px); width:22px; height:39px; border-radius:8px; transform:translateX(-50%); }
.visual-crossfader .linear-control::before { content:"A"; position:absolute; left:-18px; top:2px; color:var(--muted); font-size:10px; font-weight:900; }
.visual-crossfader .linear-control::after { content:"B"; position:absolute; right:-18px; top:2px; color:var(--muted); font-size:10px; font-weight:900; }
.visual-scrubber .linear-control::before { content:""; position:absolute; inset:8px 4px; background:repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 2px,transparent 2px 6px); }
.visual-ribbon-controller .linear-control { height:42px; border-radius:10px; background:linear-gradient(90deg,#231824,#423047,#231824); }
.visual-ribbon-controller .linear-fill { opacity:.58; }

.visual-range-slider .range-track { position:relative; width:112px; height:26px; border-radius:999px; background:#0c0a0f; border:1px solid var(--line); box-shadow:inset 0 4px 10px rgba(0,0,0,.6); }
.visual-range-slider .range-fill { position:absolute; top:6px; bottom:6px; left:calc(var(--range-start) * 100%); right:calc((1 - var(--range-end)) * 100%); border-radius:999px; background:linear-gradient(90deg,var(--peach),var(--gold)); }
.visual-range-slider .range-thumb { position:absolute; top:-5px; width:22px; height:34px; border-radius:8px; background:linear-gradient(145deg,#e7c1b8,#8f645d); box-shadow:0 5px 10px rgba(0,0,0,.45); }
.visual-range-slider .range-thumb.start { left:calc(var(--range-start) * 100%); transform:translateX(-50%); }
.visual-range-slider .range-thumb.end { left:calc(var(--range-end) * 100%); transform:translateX(-50%); }

.planar-surface { position:relative; width:106px; height:92px; border:1px solid var(--line-strong); border-radius:17px; overflow:hidden; background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),radial-gradient(circle at center,#2c2030,#0e0b12); background-size:18px 18px,18px 18px,auto; box-shadow:inset 0 8px 18px rgba(0,0,0,.35); }
.planar-surface .cursor { position:absolute; left:calc(var(--x) * 100%); top:calc(var(--y) * 100%); width:22px; height:22px; border-radius:50%; transform:translate(-50%,-50%); background:var(--rose); box-shadow:0 0 18px rgba(255,139,130,.56); }
.visual-touchpad .planar-surface { background:radial-gradient(circle at calc(var(--x)*100%) calc(var(--y)*100%),rgba(255,139,130,.25),transparent 35%),linear-gradient(145deg,#2c2431,#121016); }
.visual-joystick .planar-surface { border-radius:50%; width:96px; height:96px; }
.visual-joystick .cursor { width:36px; height:36px; background:linear-gradient(145deg,#e4b9b0,#8a5b61); box-shadow:0 8px 12px rgba(0,0,0,.42),inset 1px 1px rgba(255,255,255,.35); }
.visual-d-pad .dpad { position:relative; width:96px; height:96px; }
.visual-d-pad .dpad::before,.visual-d-pad .dpad::after { content:""; position:absolute; background:linear-gradient(145deg,#3a2f40,#17131c); border:1px solid var(--line-strong); border-radius:12px; box-shadow:0 7px 14px rgba(0,0,0,.3); }
.visual-d-pad .dpad::before { left:31px; top:2px; width:34px; height:92px; }
.visual-d-pad .dpad::after { left:2px; top:31px; width:92px; height:34px; }
.visual-d-pad .dpad-center { position:absolute; z-index:2; left:37px; top:37px; width:22px; height:22px; border-radius:50%; background:#231c28; }
.visual-d-pad .dpad-arrow { position:absolute; z-index:3; color:var(--rose); font-size:12px; }
.visual-d-pad .up{left:44px;top:10px}.visual-d-pad .right{right:10px;top:41px}.visual-d-pad .down{left:44px;bottom:9px}.visual-d-pad .left{left:10px;top:41px}

.radial-control { position:relative; display:grid; place-items:center; width:94px; height:94px; border-radius:50%; background:radial-gradient(circle,#2c2230 0 44%,#0d0a10 45% 56%,#37283b 57% 74%,#121016 75%); border:1px solid var(--line-strong); box-shadow:inset 2px 2px 4px rgba(255,255,255,.08),inset -6px -8px 12px rgba(0,0,0,.48),0 9px 20px rgba(0,0,0,.32); }
.radial-control .dial-pointer { position:absolute; left:46px; top:8px; width:3px; height:35px; border-radius:999px; background:var(--peach); transform-origin:50% 39px; transform:rotate(var(--angle)); box-shadow:0 0 8px rgba(255,139,130,.7); }
.visual-rotary-encoder .radial-control::after { content:""; position:absolute; width:28px; height:28px; border-radius:50%; border:1px solid rgba(255,255,255,.12); background:#17131c; }
.visual-jog-wheel .radial-control { width:106px; height:106px; background:repeating-conic-gradient(from 0deg,#2f2535 0 5deg,#17131c 5deg 10deg); }
.visual-jog-wheel .radial-control::after { content:"JOG"; display:grid; place-items:center; width:58px; height:58px; border-radius:50%; background:radial-gradient(circle,#342a39,#151119); color:var(--muted); font-size:9px; font-weight:900; letter-spacing:.13em; }
.visual-circular-ring .radial-control { background:conic-gradient(var(--peach) calc(var(--value) * 1turn),#17131c 0); }
.visual-circular-ring .radial-control::before { content:""; position:absolute; inset:17px; border-radius:50%; background:#151119; box-shadow:inset 0 4px 12px rgba(0,0,0,.45); }
.visual-circular-ring .radial-control::after { content:"LEVEL"; position:relative; font-size:8px; font-weight:900; color:var(--muted); }
.visual-radial-wheel .radial-menu { position:relative; width:108px; height:108px; border-radius:50%; overflow:hidden; background:conic-gradient(from -22.5deg,#412d41 0 45deg,#211923 45deg 90deg,#412d41 90deg 135deg,#211923 135deg 180deg,#412d41 180deg 225deg,#211923 225deg 270deg,#412d41 270deg 315deg,#211923 315deg); border:1px solid var(--line-strong); }
.visual-radial-wheel .radial-menu::after { content:"MORE"; position:absolute; inset:31px; display:grid; place-items:center; border-radius:50%; background:#100d14; color:var(--rose); font-size:8px; font-weight:900; }
.visual-radial-wheel .radial-menu .wedge { position:absolute; display:grid; place-items:center; width:24px; height:24px; border:1px solid transparent; border-radius:50%; color:var(--rose); font-size:9px; font-weight:900; transition:background 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease); }
.visual-radial-wheel .radial-menu .wedge.is-selected { border-color:var(--peach-soft); color:#1d1219; background:var(--rose); box-shadow:0 0 17px rgba(255,139,130,.48); transform:scale(1.14); }
.visual-radial-wheel .w1{left:42px;top:5px}.visual-radial-wheel .w2{right:5px;top:42px}.visual-radial-wheel .w3{left:42px;bottom:5px}.visual-radial-wheel .w4{left:5px;top:42px}

.visual-grid-cell .face { width:74px; height:74px; border-radius:12px; }
.matrix { display:grid; grid-template-columns:repeat(3, 28px); grid-template-rows:repeat(3, 28px); gap:5px; }
.matrix span { border:1px solid var(--line); border-radius:7px; background:linear-gradient(145deg,#403245,#17131c); box-shadow:inset 1px 1px rgba(255,255,255,.06),0 4px 8px rgba(0,0,0,.28); }
.matrix span:nth-child(5) { background:linear-gradient(145deg,var(--peach),#9e5f63); }

.visual-meter-strip .meter { display:flex; align-items:flex-end; gap:3px; width:76px; height:103px; padding:8px; border:1px solid var(--line-strong); border-radius:13px; background:#0b0910; box-shadow:inset 0 5px 12px rgba(0,0,0,.5); }
.visual-meter-strip .meter i { flex:1; height:calc((var(--value) * 68px) + 7px); max-height:86px; border-radius:4px 4px 2px 2px; background:linear-gradient(0deg,var(--jade) 0 62%,var(--amber) 62% 82%,var(--red) 82%); transform-origin:bottom; }
.visual-meter-strip .meter i:nth-child(2){height:calc((var(--value) * 52px) + 12px)}
.visual-meter-strip .meter i:nth-child(3){height:calc((var(--value) * 79px) + 4px)}
.visual-gauge .gauge { position:relative; width:106px; height:68px; overflow:hidden; border-radius:106px 106px 16px 16px; background:conic-gradient(from 270deg at 50% 100%,var(--jade) 0 34deg,var(--amber) 34deg 68deg,var(--red) 68deg 90deg,transparent 90deg); }
.visual-gauge .gauge::before { content:""; position:absolute; inset:12px 12px 0; border-radius:90px 90px 8px 8px; background:#121016; }
.visual-gauge .gauge-needle { position:absolute; z-index:2; left:51px; bottom:8px; width:3px; height:47px; border-radius:999px; background:var(--cream); transform-origin:50% 100%; transform:rotate(calc(-60deg + var(--value) * 120deg)); }
.visual-gauge .gauge-center { position:absolute; z-index:3; left:43px; bottom:0; width:19px; height:19px; border-radius:50%; background:var(--rose); }
.visual-status-lamp .lamp { width:66px; height:66px; border-radius:50%; background:radial-gradient(circle at 36% 30%,#e7fff2 0 6%,var(--jade) 18%,#1d5f43 52%,#09120e 76%); border:5px solid #2d2730; box-shadow:0 0 22px rgba(121,221,167,.42),inset 0 0 13px rgba(255,255,255,.2),0 7px 14px rgba(0,0,0,.35); }
.visual-progress-indicator .progress-demo { position:relative; width:110px; height:18px; overflow:hidden; border-radius:999px; background:#0b0910; border:1px solid var(--line); }
.visual-progress-indicator .progress-demo span { display:block; width:calc(var(--value) * 100%); height:100%; border-radius:inherit; background:linear-gradient(90deg,var(--peach),var(--gold)); }

.is-large.visual-round-button .face,
.is-large.visual-square-button .face { width:180px; height:180px; }
.is-large.visual-rectangular-button .face { width:270px; height:140px; }
.is-large.visual-large-pad .face { width:250px; height:210px; border-radius:38px; }
.is-large.visual-pill-button .face { width:280px; height:118px; }
.is-large.visual-tile .face { width:210px; height:210px; border-radius:32px; }
.is-large.visual-artwork-card .face,
.is-large.visual-disclosure-card .face { width:230px; height:280px; border-radius:30px; padding:22px; }
.is-large.visual-menu-button .face { width:205px; height:150px; border-radius:28px; }
.is-large.visual-split-button .split-wrap { grid-template-columns:210px 80px; height:120px; border-radius:25px; }
.is-large.visual-split-button .split-primary,.is-large.visual-split-button .split-secondary { font-size:16px; }
.is-large.visual-rocker-switch .rocker { width:260px; height:130px; border-radius:24px; }
.is-large.visual-toggle-switch .switch-track { width:250px; height:118px; }
.is-large.visual-toggle-switch .switch-thumb { top:10px; left:10px; width:96px; height:96px; transform:translateX(calc(var(--value) * 132px)); }
.is-large .segments span { min-width:82px; height:100px; font-size:14px; }
.is-large.visual-stepper .stepper-wrap { grid-template-columns:96px 112px 96px; height:100px; }
.is-large.visual-stepper .stepper-value { font-size:22px; }
.is-large.visual-reel-selector .reel { width:200px; height:280px; border-radius:30px; }
.is-large.visual-reel-selector .reel::after { left:14px; right:14px; top:103px; height:72px; }
.is-large.visual-reel-selector .reel-list { gap:26px; padding-top:25px; transform:translateY(calc((.5 - var(--value)) * 110px)); }
.is-large.visual-reel-selector .reel-list span { height:34px; font-size:16px; }
.is-large.visual-carousel-item .carousel { width:300px; height:250px; }
.is-large.visual-carousel-item .carousel-card { top:22px; width:165px; height:205px; border-radius:25px; }
.is-large.visual-carousel-item .carousel-card:nth-child(2){left:68px}.is-large.visual-carousel-item .carousel-card:nth-child(3){right:1px}
.is-large.visual-vertical-fader .linear-control { width:76px; height:290px; }
.is-large.visual-vertical-fader .linear-fill { left:10px; right:10px; bottom:10px; height:calc(var(--value) * 270px); }
.is-large.visual-vertical-fader .linear-thumb { left:-21px; width:116px; height:52px; bottom:calc(var(--value) * 238px); border-radius:13px; }
.is-large.visual-horizontal-fader .linear-control,
.is-large.visual-crossfader .linear-control,
.is-large.visual-continuous-slider .linear-control,
.is-large.visual-scrubber .linear-control,
.is-large.visual-ribbon-controller .linear-control { width:300px; height:56px; }
.is-large.visual-horizontal-fader .linear-fill,
.is-large.visual-continuous-slider .linear-fill,
.is-large.visual-scrubber .linear-fill,
.is-large.visual-ribbon-controller .linear-fill { left:7px; top:7px; bottom:7px; width:calc(var(--value) * 286px); }
.is-large.visual-horizontal-fader .linear-thumb,
.is-large.visual-crossfader .linear-thumb,
.is-large.visual-continuous-slider .linear-thumb,
.is-large.visual-scrubber .linear-thumb { top:-17px; left:calc(var(--value) * 262px); width:52px; height:90px; border-radius:14px; }
.is-large.visual-ribbon-controller .linear-control { height:100px; }
.is-large.visual-range-slider .range-track { width:300px; height:58px; }
.is-large.visual-range-slider .range-thumb { top:-13px; width:52px; height:84px; border-radius:14px; }
.is-large .planar-surface { width:280px; height:245px; border-radius:28px; background-size:34px 34px,34px 34px,auto; }
.is-large .planar-surface .cursor { width:46px; height:46px; }
.is-large.visual-joystick .planar-surface { width:245px; height:245px; }
.is-large.visual-joystick .cursor { width:86px; height:86px; }
.is-large.visual-d-pad .dpad { transform:scale(2.45); }
.is-large .radial-control { width:245px; height:245px; }
.is-large .radial-control .dial-pointer { left:120px; top:18px; width:6px; height:97px; transform-origin:50% 105px; }
.is-large.visual-rotary-encoder .radial-control::after { width:70px; height:70px; }
.is-large.visual-jog-wheel .radial-control { width:270px; height:270px; }
.is-large.visual-jog-wheel .radial-control::after { width:145px; height:145px; font-size:14px; }
.is-large.visual-circular-ring .radial-control::before { inset:43px; }
.is-large.visual-circular-ring .radial-control::after { font-size:13px; }
.is-large.visual-radial-wheel .radial-menu { width:275px; height:275px; }
.is-large.visual-radial-wheel .radial-menu::after { inset:79px; font-size:14px; }
.is-large.visual-radial-wheel .radial-menu .wedge { width:56px; height:56px; font-size:16px; }
.is-large.visual-radial-wheel .w1{left:110px;top:13px}.is-large.visual-radial-wheel .w2{right:13px;top:110px}.is-large.visual-radial-wheel .w3{left:110px;bottom:13px}.is-large.visual-radial-wheel .w4{left:13px;top:110px}
.is-large.visual-grid-cell .face { width:180px; height:180px; }
.is-large .matrix { grid-template-columns:repeat(3,76px); grid-template-rows:repeat(3,76px); gap:10px; }
.is-large .matrix span { border-radius:15px; }
.is-large.visual-meter-strip .meter { width:160px; height:285px; padding:14px; gap:8px; }
.is-large.visual-meter-strip .meter i { height:calc((var(--value) * 215px) + 18px); max-height:255px; }
.is-large.visual-meter-strip .meter i:nth-child(2){height:calc((var(--value) * 170px) + 30px)}
.is-large.visual-meter-strip .meter i:nth-child(3){height:calc((var(--value) * 232px) + 10px)}
.is-large.visual-gauge .gauge { width:285px; height:180px; border-radius:285px 285px 30px 30px; }
.is-large.visual-gauge .gauge::before { inset:28px 28px 0; }
.is-large.visual-gauge .gauge-needle { left:139px; bottom:16px; width:6px; height:126px; }
.is-large.visual-gauge .gauge-center { left:122px; width:42px; height:42px; }
.is-large.visual-status-lamp .lamp { width:170px; height:170px; border-width:10px; }
.is-large.visual-progress-indicator .progress-demo { width:300px; height:44px; }

/* Generic gesture / behavior / feedback diagrams */
.gesture-figure,
.behavior-figure,
.feedback-figure { position:relative; display:grid; place-items:center; width:132px; height:112px; }
.gesture-pad { position:relative; width:98px; height:82px; border:1px solid var(--line); border-radius:17px; background:linear-gradient(145deg,#2a2130,#100d14); overflow:hidden; }
.gesture-finger { position:absolute; width:20px; height:20px; border:2px solid var(--peach-soft); border-radius:50%; background:rgba(255,139,130,.17); box-shadow:0 0 15px rgba(255,139,130,.36); animation:gesture-tap 2s var(--ease) infinite; }
.gesture-path { position:absolute; left:23px; top:41px; width:55px; height:2px; background:linear-gradient(90deg,rgba(255,139,130,.12),var(--peach)); transform-origin:left; }
.gesture-arrow { position:absolute; right:-1px; top:-4px; width:9px; height:9px; border-top:2px solid var(--peach); border-right:2px solid var(--peach); transform:rotate(45deg); }
.gesture-figure[data-kind*="vertical"] .gesture-path { width:45px; transform:rotate(-90deg); }
.gesture-figure[data-kind*="radial"] .gesture-path { width:48px; height:48px; left:24px; top:17px; border:2px solid var(--peach); border-left-color:transparent; border-radius:50%; background:none; }
.gesture-figure[data-kind*="radial"] .gesture-arrow { right:2px; top:3px; transform:rotate(84deg); }
.gesture-figure[data-kind*="freeform"] .gesture-path,.gesture-figure[data-kind*="two-finger"] .gesture-path { width:58px; height:34px; left:21px; top:25px; border:2px dashed rgba(255,139,130,.7); border-radius:48% 52% 43% 57%; background:none; transform:rotate(11deg); }
.gesture-figure[data-kind*="hold"] .gesture-finger,.gesture-figure[data-kind="long-press"] .gesture-finger { animation:gesture-hold 2.2s var(--ease) infinite; }
.gesture-figure[data-kind*="drag"] .gesture-finger,.gesture-figure[data-kind="swipe"] .gesture-finger,.gesture-figure[data-kind="flick"] .gesture-finger,.gesture-figure[data-kind="scrub"] .gesture-finger { animation:gesture-drag 2s var(--ease) infinite; }
.gesture-figure[data-kind*="two-finger"] .gesture-finger::after,.gesture-figure[data-kind="pinch"] .gesture-finger::after { content:""; position:absolute; left:38px; top:18px; width:16px; height:16px; border:2px solid var(--gold); border-radius:50%; background:rgba(215,173,121,.12); }
@keyframes gesture-tap { 0%,35%,100%{left:39px;top:26px;transform:scale(1);opacity:.3} 45%,62%{left:39px;top:26px;transform:scale(.72);opacity:1} }
@keyframes gesture-hold { 0%,22%,100%{left:39px;top:26px;transform:scale(1);opacity:.25} 33%,78%{left:39px;top:26px;transform:scale(.74);opacity:1;box-shadow:0 0 0 15px rgba(255,139,130,.08)} }
@keyframes gesture-drag { 0%,16%,100%{left:16px;top:31px;opacity:.25} 28%{opacity:1} 75%{left:68px;top:31px;opacity:1} }

.behavior-core { position:relative; display:grid; place-items:center; width:82px; height:82px; border-radius:22px; border:1px solid var(--line-strong); background:linear-gradient(145deg,#3a2f40,#17131c); box-shadow:0 9px 18px rgba(0,0,0,.28); }
.behavior-core::before { content:""; width:28px; height:28px; border-radius:50%; background:var(--rose); box-shadow:0 0 18px rgba(255,139,130,.4); }
.behavior-core::after { content:""; position:absolute; inset:8px; border:1px dashed rgba(255,255,255,.11); border-radius:16px; }
.behavior-figure[data-kind*="continuous"] .behavior-core::before,.behavior-figure[data-kind*="value"] .behavior-core::before { width:9px; height:48px; border-radius:999px; transform:rotate(36deg); }
.behavior-figure[data-kind*="selection"] .behavior-core::before { border-radius:8px; box-shadow:28px 0 0 rgba(255,255,255,.12),-28px 0 0 rgba(255,255,255,.12); }
.behavior-figure[data-kind*="reveal"] .behavior-core::before { animation:fan-preview 2.2s var(--ease) infinite; }
.behavior-figure[data-kind*="critical"] .behavior-core::before { background:var(--red); box-shadow:0 0 18px rgba(255,119,119,.5); }
@keyframes fan-preview { 0%,25%,100%{box-shadow:0 0 18px rgba(255,139,130,.4)} 55%,75%{box-shadow:34px -22px 0 -7px var(--gold),-34px -22px 0 -7px var(--peach),0 38px 0 -7px var(--jade)} }

.feedback-figure .sample-button { width:76px; height:76px; border-radius:20px; border:1px solid var(--line-strong); background:linear-gradient(145deg,#3a2f40,#17131c); box-shadow:inset 2px 2px rgba(255,255,255,.1),0 8px 16px rgba(0,0,0,.3); animation:feedback-sample 2.2s var(--ease) infinite; }
.feedback-figure[data-kind*="ring"] .sample-button { border-radius:50%; background:radial-gradient(circle,#17131c 0 56%,transparent 57%),conic-gradient(var(--peach) 0 68%,#2a222e 68%); }
.feedback-figure[data-kind*="bar"] .sample-button { width:104px; height:26px; border-radius:999px; background:linear-gradient(90deg,var(--peach) 0 67%,#1b1620 67%); }
.feedback-figure[data-kind*="meter"] .sample-button { width:42px; height:88px; border-radius:10px; background:linear-gradient(0deg,var(--jade) 0 56%,var(--amber) 56% 74%,#19151d 74%); transform-origin:bottom; }
.feedback-figure[data-kind*="shake"] .sample-button { animation:sample-shake 1.9s ease-in-out infinite; }
.feedback-figure[data-kind*="bounce"] .sample-button { animation:sample-bounce 2s var(--ease) infinite; }
.feedback-figure[data-kind*="glow"],.feedback-figure[data-kind*="illumination"] { filter:drop-shadow(0 0 13px rgba(255,139,130,.55)); }
@keyframes feedback-sample { 0%,28%,100%{transform:translateY(0) scale(1);filter:brightness(1)} 44%,62%{transform:translateY(5px) scale(.96);filter:brightness(1.28)} }
@keyframes sample-shake { 0%,35%,65%,100%{transform:translateX(0)} 42%,54%{transform:translateX(-7px)} 48%,60%{transform:translateX(7px)} }
@keyframes sample-bounce { 0%,35%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} 67%{transform:translateY(3px)} }

/* Detail drawer */
.detail-drawer,
.picker-modal { position:fixed; inset:0; z-index:80; display:none; }
.detail-drawer.is-open,
.picker-modal.is-open { display:block; }
.drawer-scrim,.picker-scrim { position:absolute; inset:0; background:rgba(4,3,6,.68); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); }
.drawer-panel {
  position:absolute;
  top:0;
  right:0;
  width:min(720px, 94vw);
  height:100%;
  overflow:auto;
  padding-bottom:calc(28px + var(--safe-bottom));
  background:linear-gradient(155deg,#211a27,#0f0c13 78%);
  border-left:1px solid var(--line-strong);
  box-shadow:-22px 0 70px rgba(0,0,0,.45);
  animation:drawer-in 220ms var(--ease);
}
@keyframes drawer-in { from{transform:translateX(40px);opacity:.35} to{transform:none;opacity:1} }
.drawer-header,.picker-header { position:sticky; z-index:4; top:0; display:flex; align-items:center; justify-content:space-between; gap:18px; padding:calc(18px + var(--safe-top)) 22px 17px; border-bottom:1px solid var(--line); background:rgba(19,15,23,.88); backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px); }
.drawer-header h2,.picker-header h2 { margin:0; font-family:Optima,Didot,Georgia,serif; font-size:30px; font-weight:400; }
.icon-button { display:grid; place-items:center; width:48px; height:48px; flex:0 0 auto; border:1px solid var(--line); border-radius:50%; color:var(--cream); background:var(--surface-2); font-size:30px; line-height:1; cursor:pointer; }
.drawer-content { padding:22px; }
.detail-hero { display:grid; grid-template-columns:170px 1fr; gap:22px; align-items:center; margin-bottom:20px; padding:18px; border:1px solid var(--line); border-radius:22px; background:rgba(255,255,255,.025); }
.detail-hero-demo { display:grid; place-items:center; min-height:150px; border-radius:18px; background:radial-gradient(circle,rgba(255,139,130,.1),transparent 65%),#0d0a10; }
.detail-term { margin:0 0 7px; color:var(--rose); font-size:12px; font-weight:850; letter-spacing:.08em; text-transform:uppercase; }
.detail-summary { margin:0 0 12px; color:var(--muted); line-height:1.55; }
.alias-list { display:flex; flex-wrap:wrap; gap:7px; }
.alias-chip { padding:6px 9px; border:1px solid var(--line); border-radius:999px; color:var(--muted); font-size:11px; }
.caution-card { margin:0 0 20px; padding:14px 16px; border:1px solid rgba(239,189,105,.3); border-radius:14px; color:#e8d8be; background:rgba(239,189,105,.08); font-size:13px; line-height:1.5; }
.working-demo-card { margin:0 0 20px; padding:17px; border:1px solid rgba(121,221,167,.38); border-radius:16px; background:linear-gradient(145deg,rgba(121,221,167,.14),rgba(28,48,40,.28)); }
.working-demo-card h3 { margin:0 0 6px; font-size:18px; }
.working-demo-card p:not(.eyebrow) { margin:0 0 13px; color:var(--muted); font-size:12px; line-height:1.45; }
.primary-demo-button { display:inline-flex; align-items:center; gap:9px; min-height:46px; padding:10px 14px; border:1px solid rgba(121,221,167,.55); border-radius:11px; color:#102217; background:var(--jade); box-shadow:0 8px 18px rgba(0,0,0,.24); font-size:12px; font-weight:900; cursor:pointer; }
.primary-demo-button:hover { filter:brightness(1.07); }

.compatibility-explainer { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:8px; margin:0 0 22px; }
.legend-item { padding:10px; border:1px solid var(--line); border-radius:12px; background:rgba(255,255,255,.02); }
.legend-item strong { display:block; margin-bottom:3px; font-size:11px; }
.legend-item span { color:var(--muted-2); font-size:10px; }
.legend-item[data-rating="recommended"] strong { color:var(--jade); }
.legend-item[data-rating="possible"] strong { color:var(--blue); }
.legend-item[data-rating="poor"] strong { color:var(--amber); }
.legend-item[data-rating="unsafe"] strong { color:var(--red); }

.compat-section { margin-bottom:24px; }
.compat-section-head { display:flex; align-items:end; justify-content:space-between; gap:14px; margin-bottom:10px; }
.compat-section h3 { margin:0; font-size:17px; }
.compat-counts { color:var(--muted-2); font-size:11px; }
.compat-group { margin-bottom:9px; border:1px solid var(--line); border-radius:15px; overflow:hidden; background:rgba(255,255,255,.017); }
.compat-group summary { display:flex; align-items:center; justify-content:space-between; gap:12px; min-height:48px; padding:11px 13px; cursor:pointer; list-style:none; }
.compat-group summary::-webkit-details-marker { display:none; }
.compat-group summary::after { content:"＋"; color:var(--muted-2); font-size:18px; }
.compat-group[open] summary::after { content:"−"; }
.compat-group-title { display:flex; align-items:center; gap:9px; font-size:12px; font-weight:850; }
.compat-group-list { display:grid; gap:7px; padding:0 9px 9px; }
.compat-row { display:grid; grid-template-columns:auto minmax(0,1fr) auto; gap:10px; align-items:start; width:100%; min-height:56px; padding:10px; border:1px solid rgba(255,255,255,.055); border-radius:11px; color:var(--cream); text-align:left; background:#100d14; cursor:pointer; }
.compat-row:active { transform:scale(.992); }
.rating-dot { width:9px; height:9px; margin-top:4px; border-radius:50%; background:var(--muted-2); }
.compat-row[data-rating="recommended"] .rating-dot { background:var(--jade); box-shadow:0 0 10px rgba(121,221,167,.5); }
.compat-row[data-rating="possible"] .rating-dot { background:var(--blue); }
.compat-row[data-rating="poor"] .rating-dot { background:var(--amber); }
.compat-row[data-rating="unsafe"] .rating-dot { background:var(--red); }
.compat-name { display:block; margin-bottom:3px; font-size:12px; font-weight:850; }
.compat-reason { display:block; color:var(--muted); font-size:11px; line-height:1.38; }
.compat-jump { align-self:center; color:var(--rose); font-size:18px; }
.rating-badge { display:inline-flex; align-items:center; justify-content:center; min-height:28px; padding:5px 9px; border:1px solid currentColor; border-radius:999px; font-size:10px; font-weight:900; letter-spacing:.03em; }
.rating-badge[data-rating="recommended"] { color:var(--jade); background:rgba(121,221,167,.08); }
.rating-badge[data-rating="possible"] { color:var(--blue); background:rgba(142,183,255,.08); }
.rating-badge[data-rating="poor"] { color:var(--amber); background:rgba(239,189,105,.08); }
.rating-badge[data-rating="unsafe"] { color:var(--red); background:rgba(255,119,119,.08); }

/* Playground */
.playground-layout { display:grid; grid-template-columns:minmax(0,1.45fr) minmax(330px,.75fr); gap:16px; align-items:start; }
.playground-main,.playground-side { display:grid; gap:16px; }
.composer-toolbar { display:flex; align-items:center; justify-content:space-between; gap:14px; padding:0 3px; }
.composer-toolbar p { margin:0; color:var(--muted); font-size:11px; line-height:1.45; }
.text-button { flex:0 0 auto; border:0; color:var(--peach); background:transparent; font-size:11px; font-weight:850; text-decoration:underline; text-underline-offset:3px; cursor:pointer; }
.combination-picker { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; padding:12px; border:1px solid var(--line); border-radius:20px; background:rgba(22,17,27,.76); }
.dimension-selector { min-width:0; min-height:86px; padding:12px; border:1px solid var(--line); border-radius:14px; color:var(--cream); text-align:left; background:linear-gradient(150deg,#2d2333,#17131c); cursor:pointer; }
.dimension-selector:active { transform:scale(.985); }
.selector-label { display:block; margin-bottom:7px; color:var(--rose); font-size:9px; font-weight:900; letter-spacing:.13em; text-transform:uppercase; }
.selector-value { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:13px; font-weight:850; }
.selector-value.is-empty { color:var(--muted); font-weight:700; }
.selector-arrow { float:right; color:var(--muted-2); }
.composer-empty { min-height:260px; padding:26px; border:1px dashed var(--line-strong); border-radius:25px; background:linear-gradient(155deg,rgba(42,32,48,.65),rgba(18,14,22,.82)); }
.composer-empty .eyebrow { margin-top:0; }
.composer-empty h3 { max-width:470px; margin:0 0 9px; font-size:23px; line-height:1.12; }
.composer-empty p:not(.eyebrow) { max-width:540px; margin:0; color:var(--muted); font-size:13px; line-height:1.55; }

.play-stage-card { position:relative; overflow:hidden; min-height:520px; padding:18px; border:1px solid var(--line); border-radius:26px; background:linear-gradient(155deg,#201925,#0d0a10 75%); box-shadow:var(--shadow-soft); }
.stage-head { display:flex; align-items:start; justify-content:space-between; gap:14px; margin-bottom:10px; }
.stage-head h3 { margin:0 0 5px; font-size:17px; }
.stage-instruction { margin:0; color:var(--muted); font-size:12px; line-height:1.42; }
.stage-controls { display:flex; gap:8px; }
.stage-control-button { min-height:44px; padding:8px 11px; border:1px solid var(--line); border-radius:10px; color:var(--muted); background:rgba(255,255,255,.025); font-size:11px; font-weight:800; cursor:pointer; }
.stage-control-button[aria-pressed="true"] { color:#171016; background:var(--rose); border-color:transparent; }
.interaction-stage {
  position:relative;
  display:grid;
  place-items:center;
  min-height:390px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.055);
  border-radius:21px;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px),
    radial-gradient(circle at 50% 45%,rgba(255,139,130,.105),transparent 43%),
    #0a080d;
  background-size:32px 32px,32px 32px,auto,auto;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
  cursor:crosshair;
}
.interaction-stage::before { content:"SAFE SIMULATION • NO EXTERNAL ACTION"; position:absolute; left:14px; bottom:11px; color:rgba(255,255,255,.16); font-size:9px; font-weight:900; letter-spacing:.12em; }
.stage-touch-point { position:absolute; z-index:20; width:34px; height:34px; margin:-17px 0 0 -17px; border:2px solid var(--peach-soft); border-radius:50%; background:rgba(255,139,130,.14); box-shadow:0 0 22px rgba(255,139,130,.45); pointer-events:none; opacity:0; transition:opacity 100ms; }
.stage-touch-point.is-visible { opacity:1; }

.try-wrap { position:relative; z-index:5; display:grid; place-items:center; }
.try-wrap.is-pressed .face { transform:translateY(7px) scale(.96); box-shadow:inset 6px 8px 15px rgba(0,0,0,.64),0 2px 4px rgba(0,0,0,.2); }
.try-wrap.is-latched .face { transform:translateY(5px); border-color:var(--peach); background:linear-gradient(145deg,#19131b,#3b2b3d); box-shadow:inset 6px 8px 15px rgba(0,0,0,.58),0 0 24px rgba(255,139,130,.22); }
.try-wrap.is-illuminated .face,.try-wrap.is-illuminated .radial-control,.try-wrap.is-illuminated .planar-surface { filter:brightness(1.25); border-color:var(--peach); box-shadow:0 0 32px rgba(255,139,130,.38),inset 1px 1px rgba(255,255,255,.16); }
.try-wrap.is-warning .face,.try-wrap.is-warning .radial-control,.try-wrap.is-warning .planar-surface { border-color:var(--red); box-shadow:0 0 36px rgba(255,119,119,.34); }
.try-wrap.is-success .face,.try-wrap.is-success .radial-control,.try-wrap.is-success .planar-surface { border-color:var(--jade); box-shadow:0 0 36px rgba(121,221,167,.32); }
.try-wrap.is-disabled { opacity:.36; filter:saturate(.2); }
.try-wrap.is-pulsing { animation:try-pulse 500ms var(--ease); }
.try-wrap.is-breathing { animation:try-breathe 1.6s ease-in-out infinite; }
.try-wrap.is-flashing { animation:try-flash 430ms ease-out; }
.try-wrap.is-shaking { animation:try-shake 380ms ease-out; }
.try-wrap.is-bouncing { animation:try-bounce 520ms var(--ease); }
.try-wrap.is-flipped .control-figure { transform:rotateY(180deg); }
.try-wrap.is-expanding .control-figure { transform:scale(1.16); }
.try-wrap.is-collapsing .control-figure { transform:scale(.78); opacity:.55; }
.try-wrap .control-figure { transition:transform 260ms var(--ease),opacity 260ms var(--ease); }
@keyframes try-pulse { 0%,100%{transform:scale(1)} 48%{transform:scale(1.08)} }
@keyframes try-breathe { 0%,100%{filter:brightness(1)} 50%{filter:brightness(1.35) drop-shadow(0 0 18px rgba(255,139,130,.3))} }
@keyframes try-flash { 0%,100%{filter:brightness(1)} 35%{filter:brightness(2)} }
@keyframes try-shake { 0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-12px)} 40%,80%{transform:translateX(12px)} }
@keyframes try-bounce { 0%,100%{transform:translateY(0)} 38%{transform:translateY(-18px)} 68%{transform:translateY(5px)} }

.feedback-ring,
.feedback-linear,
.feedback-surface-fill,
.feedback-ripple-layer,
.feedback-fanout,
.feedback-message,
.feedback-symbol,
.feedback-trail,
.feedback-direction,
.feedback-detents { position:absolute; pointer-events:none; }
.feedback-ring { z-index:9; width:270px; height:270px; border-radius:50%; background:conic-gradient(var(--peach) calc(var(--progress) * 1turn),rgba(255,255,255,.08) 0); mask:radial-gradient(circle,transparent 0 68%,#000 69%); -webkit-mask:radial-gradient(circle,transparent 0 68%,#000 69%); opacity:0; transform:rotate(-90deg); transition:opacity 160ms,background 80ms linear; }
.feedback-ring.is-visible { opacity:1; }
.feedback-ring.is-countdown { background:conic-gradient(var(--amber) calc((1 - var(--progress)) * 1turn),rgba(255,255,255,.08) 0); }
.feedback-linear { z-index:9; left:12%; right:12%; bottom:36px; height:13px; overflow:hidden; border:1px solid var(--line); border-radius:999px; background:#09070b; opacity:0; }
.feedback-linear::after { content:""; display:block; width:calc(var(--progress) * 100%); height:100%; background:linear-gradient(90deg,var(--peach),var(--gold)); transition:width 70ms linear; }
.feedback-linear.is-visible { opacity:1; }
.feedback-surface-fill { z-index:-1; inset:0; opacity:0; background:linear-gradient(0deg,rgba(255,139,130,.26) calc(var(--progress) * 100%),transparent 0); }
.feedback-surface-fill.is-visible { opacity:1; }
.feedback-ripple-layer { z-index:12; width:36px; height:36px; border:3px solid var(--peach); border-radius:50%; opacity:0; }
.feedback-ripple-layer.is-visible { animation:ripple-out 650ms ease-out; }
@keyframes ripple-out { 0%{opacity:.9;transform:scale(.3)} 100%{opacity:0;transform:scale(7)} }
.feedback-fanout { z-index:11; inset:50% auto auto 50%; width:0; height:0; opacity:0; transition:opacity 160ms; }
.feedback-fanout.is-visible { opacity:1; }
.feedback-fanout span { position:absolute; display:grid; place-items:center; width:58px; height:58px; margin:-29px; border:1px solid var(--line-strong); border-radius:50%; color:#181018; background:var(--rose); font-size:11px; font-weight:900; box-shadow:0 10px 20px rgba(0,0,0,.38); transform:translate(0,0) scale(.4); transition:transform 280ms var(--ease); }
.feedback-fanout.is-visible span:nth-child(1){transform:translate(-120px,-88px) scale(1)}
.feedback-fanout.is-visible span:nth-child(2){transform:translate(120px,-88px) scale(1)}
.feedback-fanout.is-visible span:nth-child(3){transform:translate(0,135px) scale(1)}
.feedback-message { z-index:16; left:50%; top:19px; min-width:120px; max-width:80%; padding:9px 12px; border:1px solid var(--line-strong); border-radius:999px; color:var(--cream); text-align:center; background:rgba(27,21,31,.94); box-shadow:0 9px 22px rgba(0,0,0,.35); font-size:11px; font-weight:850; transform:translate(-50%,-12px); opacity:0; transition:opacity 160ms,transform 160ms var(--ease); }
.feedback-message.is-visible { opacity:1; transform:translate(-50%,0); }
.feedback-symbol { z-index:14; left:50%; top:50%; display:grid; place-items:center; width:68px; height:68px; margin:-34px; border-radius:50%; color:#131017; background:var(--jade); box-shadow:0 0 32px rgba(121,221,167,.45); font-size:33px; font-weight:900; opacity:0; transform:scale(.5); transition:opacity 150ms,transform 220ms var(--ease); }
.feedback-symbol.is-visible { opacity:1; transform:scale(1); }
.feedback-symbol.is-warning { background:var(--red); box-shadow:0 0 32px rgba(255,119,119,.45); }
.feedback-trail { z-index:4; width:18px; height:18px; border-radius:50%; background:var(--peach); opacity:0; filter:blur(1px); box-shadow:-18px 0 0 rgba(255,139,130,.55),-36px 0 0 rgba(255,139,130,.25); }
.feedback-trail.is-visible { opacity:.75; }
.feedback-direction { z-index:8; inset:50%; width:0; height:0; }
.feedback-direction span { position:absolute; width:36px; height:36px; margin:-18px; border:1px solid var(--line); border-radius:10px; background:rgba(255,255,255,.035); opacity:.35; }
.feedback-direction .up{transform:translate(0,-132px)}.feedback-direction .right{transform:translate(132px,0)}.feedback-direction .down{transform:translate(0,132px)}.feedback-direction .left{transform:translate(-132px,0)}
.feedback-direction[data-active="up"] .up,.feedback-direction[data-active="right"] .right,.feedback-direction[data-active="down"] .down,.feedback-direction[data-active="left"] .left { opacity:1; border-color:var(--peach); background:rgba(255,139,130,.18); box-shadow:0 0 16px rgba(255,139,130,.25); }
.feedback-detents { z-index:6; width:290px; height:290px; border-radius:50%; background:repeating-conic-gradient(from -3deg,rgba(255,255,255,.18) 0 1deg,transparent 1deg 12deg); mask:radial-gradient(circle,transparent 0 78%,#000 79%); -webkit-mask:radial-gradient(circle,transparent 0 78%,#000 79%); opacity:0; }
.feedback-detents.is-visible { opacity:1; }

.stage-readout { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:8px; margin-top:10px; }
.readout-cell { min-width:0; padding:9px 10px; border:1px solid var(--line); border-radius:11px; background:rgba(255,255,255,.025); }
.readout-label { display:block; margin-bottom:3px; color:var(--muted-2); font-size:9px; font-weight:850; text-transform:uppercase; letter-spacing:.09em; }
.readout-value { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:12px; font-weight:850; }

.analysis-card,.notes-card { padding:17px; border:1px solid var(--line); border-radius:20px; background:linear-gradient(155deg,rgba(42,32,48,.9),rgba(18,14,22,.95)); }
.analysis-head { display:flex; align-items:start; justify-content:space-between; gap:10px; margin-bottom:12px; }
.analysis-head h3,.notes-card h3 { margin:0 0 4px; font-size:16px; }
.analysis-sub { margin:0; color:var(--muted); font-size:11px; line-height:1.4; }
.overall-rating { flex:0 0 auto; }
.pair-analysis { display:grid; gap:7px; }
.pair-row { display:grid; grid-template-columns:auto 1fr; gap:9px; padding:9px; border:1px solid rgba(255,255,255,.055); border-radius:10px; background:#100d14; }
.pair-row strong { display:block; margin-bottom:3px; font-size:11px; }
.pair-row p { margin:0; color:var(--muted); font-size:10px; line-height:1.38; }
.safety-note { margin-top:10px; padding:10px 11px; border:1px solid rgba(255,119,119,.28); border-radius:11px; color:#f0cbcb; background:rgba(255,119,119,.07); font-size:11px; line-height:1.42; }
.demo-verification { display:grid; gap:4px; margin-top:10px; padding:10px 11px; border:1px solid var(--line); border-radius:11px; color:var(--muted); background:rgba(255,255,255,.025); font-size:11px; line-height:1.42; }
.demo-verification strong { color:var(--cream); }
.demo-verification.is-tested { border-color:rgba(121,221,167,.38); color:#c9ead7; background:rgba(121,221,167,.08); }
.demo-verification.is-tested strong { color:var(--jade); }

.impression-row { display:flex; flex-wrap:wrap; gap:7px; margin:12px 0; }
.impression-button { min-width:44px; min-height:44px; padding:7px 10px; font-size:10px; }
.notes-card textarea { width:100%; min-height:84px; resize:vertical; padding:10px 11px; border:1px solid var(--line); border-radius:11px; color:var(--cream); background:#0f0c13; font-size:12px; line-height:1.45; }
.notes-actions { display:flex; gap:8px; margin-top:9px; }
.saved-note { margin-top:10px; padding:10px; border-left:3px solid var(--rose); border-radius:0 9px 9px 0; color:var(--muted); background:rgba(255,255,255,.025); font-size:10px; line-height:1.45; }

/* Picker */
.picker-panel { position:absolute; inset:auto 0 0; max-height:min(88vh,860px); overflow:auto; padding-bottom:calc(24px + var(--safe-bottom)); border:1px solid var(--line-strong); border-radius:28px 28px 0 0; background:linear-gradient(155deg,#211a27,#0f0c13 82%); box-shadow:0 -22px 70px rgba(0,0,0,.48); animation:picker-in 220ms var(--ease); }
@keyframes picker-in { from{transform:translateY(38px);opacity:.4} to{transform:none;opacity:1} }
.picker-search-row { position:sticky; z-index:3; top:91px; padding:11px 18px; border-bottom:1px solid var(--line); background:rgba(20,15,24,.93); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); }
.picker-content { padding:14px 18px 22px; }
.picker-group-title { margin:18px 0 9px; color:var(--rose); font-size:11px; font-weight:900; letter-spacing:.12em; text-transform:uppercase; }
.picker-choice-section + .picker-choice-section { margin-top:24px; padding-top:4px; border-top:1px solid var(--line); }
.picker-choice-section.is-possible .picker-group-title { color:var(--blue); }
.picker-section-note { margin:-3px 0 10px; color:var(--muted); font-size:11px; line-height:1.4; }
.picker-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:9px; }
.picker-choice { display:grid; grid-template-columns:64px 1fr; gap:11px; align-items:center; min-height:76px; padding:8px; border:1px solid var(--line); border-radius:14px; color:var(--cream); text-align:left; background:rgba(255,255,255,.025); cursor:pointer; }
.picker-choice.is-selected { border-color:var(--peach); background:rgba(255,139,130,.09); }
.picker-choice-demo { display:grid; place-items:center; width:64px; height:58px; overflow:hidden; border-radius:10px; background:#0b0910; transform:scale(.62); transform-origin:center; }
.picker-choice-demo .control-figure { flex:0 0 auto; }
.picker-choice strong { display:block; margin-bottom:3px; font-size:12px; }
.picker-choice span { display:block; color:var(--muted); font-size:10px; line-height:1.35; }

.toast-host { position:fixed; z-index:120; right:calc(18px + var(--safe-right)); bottom:calc(18px + var(--safe-bottom)); display:grid; gap:8px; width:min(360px,calc(100vw - 36px)); pointer-events:none; }
.toast { padding:12px 14px; border:1px solid var(--line-strong); border-radius:14px; color:var(--cream); background:rgba(27,21,31,.96); box-shadow:var(--shadow-soft); font-size:12px; line-height:1.4; animation:toast-in 190ms var(--ease); }
.toast.is-error { border-color:rgba(255,119,119,.5); }
@keyframes toast-in { from{opacity:0;transform:translateY(9px)} to{opacity:1;transform:none} }

.visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }

@media (max-width: 1050px) {
  .playground-layout { grid-template-columns:1fr; }
  .playground-side { grid-template-columns:repeat(2,minmax(0,1fr)); }
}

@media (max-width: 760px) {
  .app-shell { padding-left:calc(10px + var(--safe-left)); padding-right:calc(10px + var(--safe-right)); }
  .app-header { align-items:flex-start; flex-direction:column; padding:12px 5px 18px; }
  .research-chip { white-space:normal; }
  .primary-tabs { gap:4px; padding:5px; border-radius:15px; overflow-x:auto; grid-template-columns:repeat(5,minmax(91px,1fr)); }
  .primary-tab { min-height:44px; padding:8px 9px; font-size:11px; }
  #view-root { padding-top:20px; }
  .view-intro { align-items:flex-start; flex-direction:column; gap:12px; }
  .catalog-toolbar { top:calc(69px + var(--safe-top)); grid-template-columns:1fr; }
  .toolbar-actions { overflow-x:auto; }
  .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px; }
  .catalog-card { grid-template-rows:118px auto; min-height:270px; border-radius:16px; }
  .card-body { padding:13px; }
  .card-title { font-size:15px; }
  .card-summary { font-size:11px; }
  .detail-hero { grid-template-columns:1fr; }
  .compatibility-explainer { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .combination-picker { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .play-stage-card { min-height:500px; padding:12px; border-radius:19px; }
  .stage-head { flex-direction:column; }
  .interaction-stage { min-height:360px; }
  .stage-readout { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .playground-side { grid-template-columns:1fr; }
  .drawer-panel { width:100%; }
  .drawer-header,.picker-header { padding-left:16px; padding-right:16px; }
  .drawer-content { padding:16px; }
  .picker-grid { grid-template-columns:1fr; }
}

@media (max-width: 430px) {
  .catalog-grid { grid-template-columns:1fr; }
  .catalog-card { grid-template-rows:132px auto; min-height:265px; }
  .combination-picker { grid-template-columns:1fr; }
  .dimension-selector { min-height:68px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.001ms!important; animation-iteration-count:1!important; scroll-behavior:auto!important; transition-duration:.001ms!important; }
}

/* Interaction Laboratory 2.0 — task-based, demonstration-first shell */
[hidden] { display: none !important; }
html[data-text="large"] { font-size: 112.5%; }
html[data-text="largest"] { font-size: 125%; }
html[data-motion="reduced"] *, html[data-motion="reduced"] *::before, html[data-motion="reduced"] *::after { animation-duration:.001ms!important; animation-iteration-count:1!important; scroll-behavior:auto!important; transition-duration:.001ms!important; }
body { overscroll-behavior-y:auto; }
a { color:inherit; }
.skip-link { position:fixed; z-index:999; top:8px; left:8px; padding:12px 16px; border-radius:10px; color:#171018; background:var(--cream); transform:translateY(-150%); }
.skip-link:focus { transform:none; }
.fatal-error { padding:2rem; color:white; }
.lab-app { width:min(1440px,100%); min-height:100vh; margin:auto; padding:calc(14px + var(--safe-top)) calc(22px + var(--safe-right)) calc(54px + var(--safe-bottom)) calc(22px + var(--safe-left)); }
.lab-header { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:72px; padding:8px 4px 16px; border-bottom:1px solid var(--line); }
.lab-wordmark { display:grid; align-content:center; min-height:44px; gap:3px; text-decoration:none; }
.lab-wordmark span { color:var(--rose); font-size:.64rem; font-weight:900; letter-spacing:.19em; }
.lab-wordmark strong { font-family:Optima,Didot,"Bodoni MT",Georgia,serif; font-size:1.25rem; font-weight:500; }
.lab-header-actions { display:flex; gap:10px; align-items:center; }
.current-control-link,.icon-text-link { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:9px 14px; border:1px solid var(--line); border-radius:999px; color:var(--cream); background:rgba(255,255,255,.025); text-decoration:none; font-size:.78rem; font-weight:750; }
.current-control-link { border-color:rgba(255,139,130,.36); background:rgba(255,139,130,.08); }
.lab-nav { position:sticky; z-index:35; top:calc(8px + var(--safe-top)); display:grid; grid-template-columns:repeat(4,1fr); gap:5px; width:min(620px,100%); margin:12px auto 0; padding:5px; border:1px solid var(--line); border-radius:16px; background:rgba(13,10,16,.88); box-shadow:var(--shadow-soft); backdrop-filter:blur(20px); }
.lab-nav a { display:grid; place-items:center; min-height:44px; padding:8px 14px; border-radius:11px; color:var(--muted); text-decoration:none; font-size:.78rem; font-weight:800; }
.lab-nav a.is-active { color:var(--cream); background:linear-gradient(135deg,rgba(255,139,130,.22),rgba(215,173,121,.12)); box-shadow:inset 0 0 0 1px rgba(255,178,166,.2); }
#view-root { min-height:60vh; padding-top:32px; outline:none; }
.page { width:min(1220px,100%); margin:auto; }
.page-heading { max-width:820px; margin:26px 0 34px; }
.page-heading h1 { margin-bottom:14px; font-size:clamp(2.3rem,6vw,4.8rem); line-height:.98; }
.page-heading>p:last-child,.page-heading>div>p:last-child { max-width:720px; margin:0; color:var(--muted); font-size:1rem; line-height:1.65; }
.back-link { display:inline-flex; align-items:center; gap:9px; min-height:44px; color:var(--rose); text-decoration:none; font-size:.78rem; font-weight:850; }
.back-link span { font-size:1.2rem; }
.primary-action,.secondary-action,.text-action,.more-choices,.hero-action { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:12px 18px; border:1px solid transparent; border-radius:13px; text-align:center; text-decoration:none; font-weight:850; cursor:pointer; }
.primary-action,.hero-action { color:#1b1015; background:linear-gradient(135deg,var(--peach-soft),var(--gold)); box-shadow:0 10px 28px rgba(255,139,130,.16); }
.secondary-action { border-color:var(--line-strong); color:var(--cream); background:rgba(255,255,255,.035); }
.text-action { min-height:44px; padding:9px 12px; border:0; color:var(--rose); background:transparent; }
.primary-action.is-disabled,.primary-action:disabled,.secondary-action:disabled,.text-action:disabled { opacity:.42; pointer-events:none; }
.button-row { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.scope-note { color:var(--muted-2); font-size:.76rem; line-height:1.5; }

/* Welcome */
body.is-welcome { overflow:auto; }
body.is-welcome .lab-app { display:grid; place-items:center; width:100%; padding:0; }
body.is-welcome #view-root { display:grid; place-items:center; width:100%; min-height:100vh; padding:calc(36px + var(--safe-top)) calc(24px + var(--safe-right)) calc(36px + var(--safe-bottom)) calc(24px + var(--safe-left)); }
.welcome-view { position:relative; z-index:1; display:grid; justify-items:center; width:min(900px,100%); text-align:center; }
.welcome-brand { margin:0 0 22px; color:var(--rose); font-size:.72rem; font-weight:900; letter-spacing:.28em; }
.welcome-view h1 { max-width:800px; margin:0; font-size:clamp(3rem,10vw,7.8rem); line-height:.84; }
.welcome-quote { margin:26px 0 0; color:var(--gold); font-family:Optima,Georgia,serif; font-size:clamp(1rem,2.4vw,1.45rem); font-style:italic; }
.welcome-copy { max-width:650px; margin:26px auto 30px; color:var(--muted); line-height:1.7; }
.hero-action { min-width:250px; min-height:58px; gap:16px; border-radius:999px; }
.welcome-orbit { position:absolute; z-index:-1; inset:50% auto auto 50%; width:min(78vw,680px); aspect-ratio:1; border:1px solid rgba(233,181,170,.12); border-radius:50%; transform:translate(-50%,-50%); }
.welcome-orbit::before,.welcome-orbit::after { content:""; position:absolute; border:1px solid rgba(215,173,121,.1); border-radius:50%; }
.welcome-orbit::before { inset:12%; }.welcome-orbit::after { inset:28%; }
.welcome-orbit span { position:absolute; width:9px; height:9px; border-radius:50%; background:var(--peach); box-shadow:0 0 20px var(--peach); }
.welcome-orbit span:nth-child(1){top:8%;left:28%}.welcome-orbit span:nth-child(2){right:4%;top:55%;background:var(--gold)}.welcome-orbit span:nth-child(3){bottom:14%;left:18%;background:var(--rose)}

/* Home and task cards */
.home-heading { margin-left:auto; margin-right:auto; text-align:center; }
.task-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.task-card { position:relative; display:flex; flex-direction:column; min-height:330px; overflow:hidden; padding:28px; border:1px solid var(--line); border-radius:26px; text-decoration:none; background:linear-gradient(155deg,rgba(37,27,42,.9),rgba(18,14,22,.9)); box-shadow:var(--shadow-soft); transition:transform 180ms var(--ease),border-color 180ms var(--ease); }
.task-card:hover,.task-card:focus-visible { transform:translateY(-4px); border-color:var(--line-strong); }
.task-card h2 { margin:26px 0 10px; font-family:Optima,Georgia,serif; font-size:1.8rem; font-weight:500; }
.task-card p { color:var(--muted); line-height:1.55; }
.task-number { color:var(--muted-2); font-size:.72rem; font-weight:900; letter-spacing:.15em; }
.task-icon { display:grid; place-items:center; width:72px; height:72px; margin-top:auto; border:1px solid var(--line); border-radius:23px; color:var(--peach-soft); background:rgba(255,255,255,.035); font-size:2rem; }
.task-link { margin-top:26px; color:var(--rose); font-size:.82rem; font-weight:850; }
.recommend-chip { position:absolute; top:20px; right:20px; padding:6px 9px; border-radius:999px; color:#132319; background:var(--jade); font-size:.63rem; font-weight:900; }
.task-try { border-color:rgba(255,139,130,.3); background:radial-gradient(circle at 80% 10%,rgba(255,139,130,.17),transparent 16rem),linear-gradient(155deg,#291c2a,#151019); }
.continue-card,.wide-callout { display:flex; justify-content:space-between; align-items:center; gap:24px; margin-top:22px; padding:24px 26px; border:1px solid var(--line); border-radius:22px; background:rgba(255,255,255,.025); }
.continue-card h2,.wide-callout h2 { margin-bottom:8px; font-family:Optima,Georgia,serif; font-size:1.45rem; font-weight:500; }
.continue-card p,.wide-callout p { margin:0; color:var(--muted); }
.home-page>.scope-note { margin-top:30px; text-align:center; }

/* Try and library */
.lesson-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.lesson-card,.concept-card { position:relative; display:grid; overflow:hidden; border:1px solid var(--line); border-radius:22px; text-decoration:none; background:rgba(26,20,31,.84); }
.lesson-card { min-height:300px; padding:22px; }
.lesson-card h2 { margin:22px 0 9px; font-family:Optima,Georgia,serif; font-size:1.35rem; font-weight:500; }
.lesson-card p { color:var(--muted); line-height:1.5; }
.mode-chip,.truth-badge,.choice-state,.count-chip { display:inline-flex; align-items:center; width:max-content; min-height:28px; padding:5px 9px; border:1px solid rgba(233,181,170,.25); border-radius:999px; color:var(--rose); background:rgba(233,181,170,.07); font-size:.64rem; font-weight:900; letter-spacing:.04em; text-transform:uppercase; }
.lesson-card .mode-chip { position:absolute; top:18px; right:18px; }
.technical-secondary { color:var(--muted-2); font-size:.72rem; }
.library-heading,.playground-heading { display:flex; justify-content:space-between; gap:24px; max-width:none; }
.count-chip { flex:0 0 auto; margin-top:20px; color:var(--cream); }
.dimension-tabs { display:grid; grid-template-columns:repeat(4,1fr); gap:7px; margin-bottom:18px; padding:6px; border:1px solid var(--line); border-radius:17px; background:rgba(255,255,255,.02); }
.dimension-tabs a { display:flex; justify-content:center; align-items:center; gap:8px; min-height:48px; border-radius:12px; color:var(--muted); text-decoration:none; font-size:.8rem; font-weight:850; }
.dimension-tabs a span { display:grid; place-items:center; width:24px; height:24px; border-radius:50%; background:rgba(255,255,255,.06); font-size:.65rem; }
.dimension-tabs a.is-active { color:var(--cream); background:rgba(255,139,130,.1); box-shadow:inset 0 0 0 1px rgba(255,139,130,.24); }
.library-tools { display:grid; gap:12px; margin-bottom:20px; }
.search-box { display:grid; gap:6px; color:var(--muted); font-size:.72rem; font-weight:800; }
.search-box input,.save-panel input,.save-panel textarea { width:100%; min-height:48px; padding:12px 14px; border:1px solid var(--line); border-radius:12px; color:var(--cream); background:#0f0c13; }
.group-chips { display:flex; gap:7px; padding-bottom:5px; overflow:auto; }
.group-chips button { flex:0 0 auto; min-height:44px; padding:8px 13px; border:1px solid var(--line); border-radius:999px; color:var(--muted); background:transparent; cursor:pointer; }
.group-chips button.is-active { border-color:var(--rose); color:var(--cream); background:rgba(233,181,170,.08); }
.shelf-label { display:flex; justify-content:space-between; gap:20px; margin:12px 0; color:var(--muted); font-size:.76rem; }
.shelf-label strong { color:var(--cream); }
.concept-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:13px; }
.concept-card { grid-template-rows:150px auto; min-height:340px; }
.concept-visual { display:grid; place-items:center; border-bottom:1px solid var(--line); background:radial-gradient(circle at 50% 25%,rgba(255,139,130,.08),transparent 70%); }
.concept-card-body { display:flex; flex-direction:column; align-items:flex-start; padding:18px 20px 22px; }
.concept-card h2 { margin:13px 0 8px; font-family:Optima,Georgia,serif; font-size:1.25rem; font-weight:500; }
.concept-card p { color:var(--muted); font-size:.82rem; line-height:1.5; }
.concept-card .technical-secondary { margin-top:auto; }
.concept-card .card-arrow { position:absolute; right:18px; bottom:18px; color:var(--rose); }
.more-choices { width:100%; margin-top:14px; border:1px dashed var(--line-strong); color:var(--cream); background:rgba(255,255,255,.025); }

/* Shared abstract concept specimens */
.specimen { position:relative; display:grid; place-items:center; width:120px; height:92px; margin:auto; }
.specimen.is-large { width:min(280px,100%); height:210px; }
.specimen small { position:absolute; right:0; bottom:0; left:0; color:var(--muted-2); text-align:center; font-size:.57rem; }
.specimen-core { display:block; width:58px; height:58px; border:2px solid var(--rose); border-radius:16px; background:linear-gradient(145deg,#382b3c,#17121c); box-shadow:inset 0 2px 7px rgba(255,255,255,.08),0 8px 24px rgba(0,0,0,.35); }
.specimen.is-large .specimen-core { width:100px; height:100px; }
.specimen-line { position:absolute; width:64px; height:3px; border-radius:2px; background:rgba(233,181,170,.32); }
.specimen-dot { position:absolute; width:14px; height:14px; border:3px solid #17121c; border-radius:50%; background:var(--peach); box-shadow:0 0 0 1px var(--rose),0 0 18px rgba(255,139,130,.45); }
.specimen-shapes[data-kind*="round"] .specimen-core,.specimen-shapes[data-kind*="knob"] .specimen-core,.specimen-shapes[data-kind*="gauge"] .specimen-core,.specimen-shapes[data-kind*="lamp"] .specimen-core { border-radius:50%; }
.specimen-shapes[data-kind*="fader"] .specimen-core,.specimen-shapes[data-kind*="slider"] .specimen-core,.specimen-shapes[data-kind*="scrubber"] .specimen-core,.specimen-shapes[data-kind*="ribbon"] .specimen-core { width:86px; height:18px; border-radius:999px; }
.specimen-shapes[data-kind="vertical-fader"] .specimen-core { width:18px; height:76px; }
.specimen-shapes[data-kind*="pad"],.specimen-shapes[data-kind*="joystick"],.specimen-shapes[data-kind*="matrix"] { border:1px solid rgba(233,181,170,.14); border-radius:18px; }
.specimen-gestures .specimen-core { width:42px; height:42px; border-radius:50%; background:rgba(255,139,130,.16); }
.specimen-gestures .specimen-line { width:78px; transform:rotate(-15deg); transform-origin:left; background:linear-gradient(90deg,var(--peach),transparent); }
.specimen-behaviors .specimen-core { border-radius:50%; box-shadow:0 0 0 10px rgba(233,181,170,.06),0 0 0 20px rgba(233,181,170,.025); }
.specimen-feedback .specimen-core { box-shadow:0 0 22px rgba(255,139,130,.42),inset 0 2px 7px rgba(255,255,255,.08); }
.live-specimen { --lesson-value:50%; filter:saturate(calc(.55 + var(--lesson-value)/100)); }

/* Concept teaching pages */
.concept-heading { display:flex; justify-content:space-between; gap:34px; margin:24px 0; }
.concept-heading>div:first-child { max-width:780px; }
.concept-heading h1 { margin:9px 0 14px; font-size:clamp(2.2rem,5vw,4.5rem); }
.concept-heading p:last-child { color:var(--muted); line-height:1.65; }
.formal-name { flex:0 0 220px; align-self:flex-start; display:grid; gap:5px; padding:16px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.025); }
.formal-name span { color:var(--muted-2); font-size:.64rem; font-weight:900; text-transform:uppercase; }.formal-name strong{font-size:.92rem}
.teaching-card { padding:22px; border:1px solid var(--line-strong); border-radius:24px; background:linear-gradient(155deg,rgba(37,28,42,.9),rgba(15,12,19,.9)); box-shadow:var(--shadow-soft); }
.teaching-head { display:flex; justify-content:space-between; gap:20px; align-items:flex-start; }
.teaching-head h2 { margin:0; font-size:1.2rem; font-weight:650; }
.truth-badge { color:var(--cream); }
.truth-badge.is-interactive-demo { border-color:rgba(142,183,255,.42); background:rgba(142,183,255,.1); }
.truth-badge.is-simulation { border-color:rgba(239,189,105,.42); background:rgba(239,189,105,.1); }
.truth-badge.is-compatible-idea,.truth-badge.is-learning-preview { color:var(--muted); }
.gesture-practice,.state-sandbox,.live-preview,.compare-preview { position:relative; display:grid; place-items:center; min-height:330px; margin:20px 0 12px; overflow:hidden; border:1px solid var(--line); border-radius:20px; background:radial-gradient(circle,rgba(255,139,130,.09),transparent 55%),#0d0a10; }
.gesture-practice { touch-action:none; --practice-x:.25; --practice-y:.55; }
.practice-start { position:absolute; left:17%; top:45%; display:grid; place-items:center; width:74px; height:74px; border:1px dashed var(--rose); border-radius:50%; color:var(--rose); font-size:.68rem; }
.practice-path { position:absolute; left:24%; top:56%; width:50%; height:3px; background:linear-gradient(90deg,var(--peach),transparent); }
.practice-finger { position:absolute; left:calc(var(--practice-x)*100% - 23px); top:calc(var(--practice-y)*100% - 23px); width:46px; height:46px; border:2px solid var(--cream); border-radius:50%; background:rgba(255,139,130,.2); transition:opacity 160ms; }
.gesture-practice:not(.is-practicing) .practice-finger { opacity:.55; }.gesture-practice.is-success{border-color:var(--jade)}
.practice-result { position:absolute; right:18px; bottom:18px; color:var(--muted); font-size:.75rem; }
.state-sandbox { gap:16px; padding:24px; }.state-scene{display:grid;gap:14px;place-items:center}.state-scene[data-active="1"] .specimen-core{background:var(--peach);transform:scale(.94)}
.history-strip { color:var(--muted); font-size:.72rem; }.history-strip span{margin:0 6px;color:var(--rose)}
.live-preview { grid-template-columns:1fr 1fr; gap:24px; padding:28px; }.live-preview label{display:grid;gap:13px;width:100%}.live-preview label span{display:flex;justify-content:space-between;color:var(--muted)}.live-preview input{width:100%;min-height:44px}
.compare-preview { gap:18px; padding:30px; }.compare-preview[data-active="true"] .specimen-core{background:var(--peach);box-shadow:0 0 36px rgba(255,139,130,.6)}.compare-labels{display:flex;gap:16px;color:var(--muted)}
.teaching-controls { display:flex; justify-content:flex-end; gap:8px; }.lesson-status{min-height:1.5em;margin:10px 0 0;color:var(--jade);text-align:center;font-weight:750}
.static-alternative,.implementation-details { margin-top:14px; padding:16px 18px; border:1px solid var(--line); border-radius:16px; color:var(--muted); background:rgba(255,255,255,.02); }
.static-alternative summary,.implementation-details summary { min-height:44px; color:var(--cream); cursor:pointer; font-weight:800; }.static-alternative li{margin:.5rem 0;line-height:1.5}
.concept-info-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px; }.concept-info-grid section,.related-section,.environment-note{padding:22px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.022)}.concept-info-grid h2,.related-section h2{font-family:Optima,Georgia,serif;font-weight:500}.concept-info-grid p{color:var(--muted);line-height:1.6}
.alias-chip { display:inline-flex; margin:3px; padding:5px 8px; border-radius:999px; color:var(--muted); background:rgba(255,255,255,.05); font-size:.7rem; }
.caution,.environment-note { border-color:rgba(239,189,105,.3); color:#f0d6a5; }.environment-note{margin-top:14px}.environment-note p{margin:5px 0 0;line-height:1.5}
.related-section { margin-top:14px; }.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.related-row a{display:grid;gap:6px;min-height:90px;padding:14px;border:1px solid var(--line);border-radius:13px;text-decoration:none}.related-row span{color:var(--muted);font-size:.72rem;line-height:1.4}
.concept-actions { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }

/* Guided build */
.build-progress { display:grid; grid-template-columns:repeat(4,1fr); gap:7px; margin:16px 0 34px; padding:0; list-style:none; }
.build-progress li { display:grid; grid-template-columns:36px 1fr; grid-template-rows:auto auto; gap:1px 9px; min-height:62px; padding:10px; border:1px solid var(--line); border-radius:14px; color:var(--muted-2); }
.build-progress li>span { grid-row:1/3; display:grid; place-items:center; width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.05); font-weight:900; }.build-progress strong{text-transform:capitalize;font-size:.78rem}.build-progress small{font-size:.64rem}
.build-progress li.is-current { border-color:var(--peach); color:var(--cream); background:rgba(255,139,130,.08); }.build-progress li.is-done{color:var(--jade)}
.build-heading { margin-bottom:22px; }.build-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:14px}.build-preview,.build-summary{padding:22px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.022)}
.build-preview{display:grid;place-items:center;text-align:center}.build-preview h2{font-family:Optima,Georgia,serif;font-size:1.6rem;font-weight:500}.build-preview>p:not(.eyebrow){max-width:560px;color:var(--muted)}.build-preview>a{min-height:44px;color:var(--rose)}.preview-placeholder{display:grid;place-items:center;min-height:180px;color:var(--muted);border:1px dashed var(--line);border-radius:16px;width:100%}
.build-summary{display:grid;gap:7px}.summary-part{display:grid;gap:3px;padding:10px;border-left:3px solid var(--line)}.summary-part span{color:var(--muted-2);font-size:.65rem;text-transform:capitalize}.summary-part strong{font-size:.8rem}.summary-part.is-current{border-left-color:var(--peach);background:rgba(255,139,130,.04)}
.choice-section{margin-top:24px}.section-heading{display:flex;justify-content:space-between}.section-heading h2{margin-bottom:5px;font-family:Optima,Georgia,serif;font-weight:500}.section-heading p{color:var(--muted);font-size:.78rem}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.build-choice{position:relative;display:grid;grid-template-columns:92px 1fr;grid-template-rows:auto auto auto;gap:4px 12px;min-height:150px;padding:14px;border:1px solid var(--line);border-radius:17px;color:var(--cream);text-align:left;background:rgba(255,255,255,.025);cursor:pointer}.build-choice>.specimen{grid-row:1/4;width:84px}.build-choice>strong{align-self:end}.build-choice>span:not(.choice-state){color:var(--muted);font-size:.72rem;line-height:1.35}.build-choice>small{color:var(--muted-2);font-size:.63rem;line-height:1.35}.build-choice.is-selected{border-color:var(--peach);box-shadow:inset 0 0 0 1px var(--peach);background:rgba(255,139,130,.07)}.build-choice:disabled{opacity:.55;cursor:not-allowed}.build-choice .choice-state{position:absolute;top:9px;right:9px;min-height:23px;font-size:.54rem}.choice-state.is-best-fit{color:var(--jade);border-color:rgba(121,221,167,.3)}.choice-state.is-avoid{color:var(--red)}.choice-state.is-environment-dependent{color:var(--amber)}
.build-actions{display:flex;justify-content:flex-end;gap:10px;align-items:center;margin-top:24px}.build-actions .primary-action{margin-left:auto}.conflict-card{display:flex;justify-content:space-between;gap:20px;padding:20px;margin-bottom:18px;border:1px solid rgba(239,189,105,.4);border-radius:18px;background:rgba(239,189,105,.07)}.conflict-card h2{font-size:1.1rem}.conflict-card p:last-child{margin:0;color:var(--muted)}

/* Playground and exact controls */
.playground-layout-v2 { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:14px; }.workbench-card,.truth-panel,.save-panel{padding:22px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.022)}.workbench-head{display:flex;justify-content:space-between;gap:18px}.workbench-head h2{font-family:Optima,Georgia,serif;font-weight:500}.truth-panel h2{font-size:1rem}.truth-panel p{color:var(--muted);font-size:.78rem;line-height:1.55}.truth-panel details{padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.truth-panel summary{min-height:44px;cursor:pointer;font-weight:800}
.selected-chips{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.selected-chips a{display:grid;gap:3px;min-height:60px;padding:10px 12px;border:1px solid var(--line);border-radius:13px;text-decoration:none}.selected-chips span{color:var(--muted-2);font-size:.62rem;text-transform:capitalize}.selected-chips strong{font-size:.76rem}.selected-chips a.is-missing{border-style:dashed;color:var(--rose)}
.adjacent-instruction{margin:4px 0 12px;color:var(--muted)}.interaction-workbench{display:grid;place-items:center;min-height:430px;padding:28px;border:1px solid var(--line);border-radius:19px;background:radial-gradient(circle at 50% 42%,rgba(255,139,130,.09),transparent 55%),#0d0a10}.semantic-readout{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:10px}.semantic-readout span{display:grid;gap:4px;padding:10px;border:1px solid var(--line);border-radius:10px;color:var(--muted-2);font-size:.62rem}.semantic-readout strong{color:var(--cream);font-size:.78rem}
.learning-story,.simulation-panel,.compatible-story{display:grid;gap:18px;min-height:400px;align-content:center}.storyboard{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.story-state,.storyboard>div{display:grid;align-content:start;gap:7px;min-height:130px;padding:16px;border:1px solid var(--line);border-radius:15px;color:var(--muted);background:rgba(255,255,255,.02)}.story-state span,.storyboard>div>span{color:var(--rose);font-size:.65rem;font-weight:900;text-transform:uppercase}.story-state p{font-size:.72rem;line-height:1.45}.storyboard>div.is-active{border-color:var(--peach);background:rgba(255,139,130,.08)}.simulation-warning{padding:12px;border:1px solid rgba(239,189,105,.34);border-radius:12px;color:#f0d6a5;background:rgba(239,189,105,.06)}
.save-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.save-panel h2{margin-bottom:6px}.save-panel p{color:var(--muted);font-size:.78rem}.save-panel label{display:grid;gap:6px;color:var(--muted);font-size:.7rem}.save-panel textarea{min-height:90px;resize:vertical}.save-panel .button-row{grid-column:1/-1}
.exact-fader{display:grid;place-items:center;gap:18px;min-width:270px;min-height:300px}.fader-readout{font-family:ui-monospace,monospace;font-size:1.4rem}.fader-track{position:relative;width:250px;height:14px;border-radius:999px;background:#352a3b;box-shadow:inset 0 2px 5px rgba(0,0,0,.5)}.fader-thumb{position:absolute;left:calc(var(--value)*100% - 22px);top:-15px;width:44px;height:44px;border:2px solid var(--rose);border-radius:12px;background:linear-gradient(145deg,#ffe0d7,#aa726b);box-shadow:0 8px 18px rgba(0,0,0,.4);touch-action:pan-y}.exact-fader.is-vertical .fader-track{width:14px;height:250px}.exact-fader.is-vertical .fader-thumb{left:-15px;top:calc((1 - var(--value))*100% - 22px);touch-action:pan-x}.adjust-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.adjust-buttons button{min-width:44px;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;color:var(--cream);background:rgba(255,255,255,.04)}
.exact-rocker{display:grid;grid-template-columns:1fr 1fr;width:min(360px,100%);padding:9px;border:1px solid var(--line);border-radius:22px;background:#0b090d}.exact-rocker button{min-height:130px;border:0;color:var(--muted);background:linear-gradient(145deg,#2c2331,#17121c);font-size:1.2rem;font-weight:900}.exact-rocker button:first-child{border-radius:14px 4px 4px 14px}.exact-rocker button:last-child{border-radius:4px 14px 14px 4px}.exact-rocker button.is-selected{color:var(--cream);background:linear-gradient(145deg,#18131c,#3a293a);box-shadow:inset 0 8px 16px rgba(0,0,0,.55),inset 0 0 0 2px var(--peach)}
.exact-joystick,.exact-xy{position:relative;width:min(290px,76vw);aspect-ratio:1;border:2px solid var(--line-strong);border-radius:50%;background:radial-gradient(circle,#2a2130 0 12%,#17121c 13% 60%,#0b090d 61%);touch-action:none}.joystick-cross::before,.joystick-cross::after{content:"";position:absolute;left:50%;top:50%;background:rgba(233,181,170,.1);transform:translate(-50%,-50%)}.joystick-cross::before{width:80%;height:1px}.joystick-cross::after{width:1px;height:80%}.joystick-thumb,.xy-point{position:absolute;left:calc(50% + var(--x)*34% - 29px);top:calc(50% + var(--y)*34% - 29px);width:58px;height:58px;border:2px solid var(--rose);border-radius:50%;background:linear-gradient(145deg,#f4c4bb,#8c5c64);box-shadow:0 10px 25px rgba(0,0,0,.48)}
.exact-knob{position:relative;width:190px;height:190px;border:4px solid #3e3144;border-radius:50%;background:radial-gradient(circle at 36% 28%,#514057,#211926 55%,#0c090f 56%);box-shadow:0 18px 40px rgba(0,0,0,.45),inset 0 0 0 10px #17121c;touch-action:none}.exact-knob span{position:absolute;left:calc(50% - 2px);top:18px;width:4px;height:46px;border-radius:2px;background:var(--peach);box-shadow:0 0 12px var(--peach);transform-origin:2px 77px;transform:rotate(var(--angle))}
.exact-radial{position:relative;width:300px;height:300px}.radial-anchor{position:absolute;z-index:3;left:calc(50% - 38px);top:calc(50% - 38px);width:76px;height:76px;border:2px solid var(--rose);border-radius:50%;color:var(--cream);background:#2c2230;touch-action:none}.radial-wedges{position:absolute;inset:0;border-radius:50%;opacity:.22;transform:scale(.45);transition:180ms var(--ease)}.radial-wedges[data-open="true"]{opacity:1;transform:none}.radial-wedges span{position:absolute;display:grid;place-items:center;width:82px;height:60px;border:1px solid var(--line);border-radius:14px;background:#261d2b;font-size:.7rem}.radial-wedges span:nth-child(1){top:8px;left:109px}.radial-wedges span:nth-child(2){right:8px;top:120px}.radial-wedges span:nth-child(3){bottom:8px;left:109px}.radial-wedges span:nth-child(4){left:8px;top:120px}.radial-wedges span.is-selected,.radial-wedges span.is-preview{border-color:var(--peach);background:rgba(255,139,130,.25)}
.exact-carousel{width:min(560px,80vw);overflow:hidden;border:1px solid var(--line);border-radius:18px;touch-action:pan-y}.carousel-track{display:flex;width:500%;transform:translateX(calc(var(--index)*-20% + var(--drag)));transition:transform 180ms var(--ease)}.carousel-slide{display:grid;place-items:center;flex:0 0 20%;min-height:240px;color:var(--muted);background:linear-gradient(145deg,#36283c,#17111c);font-family:Optima,Georgia,serif;font-size:1.4rem}.carousel-slide span{color:var(--rose);font-size:.7rem}.carousel-slide.is-current{color:var(--cream);box-shadow:inset 0 0 0 2px var(--peach)}.carousel-position{text-align:center;color:var(--muted)}
.exact-toggle{display:flex;align-items:center;gap:14px;min-width:180px;min-height:76px;padding:12px 18px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#1a141e}.exact-toggle span{position:relative;width:68px;height:38px;border-radius:999px;background:#3b303f}.exact-toggle span::after{content:"";position:absolute;left:4px;top:4px;width:30px;height:30px;border-radius:50%;background:var(--cream);transition:180ms var(--ease)}.exact-toggle.is-on{color:var(--cream);border-color:var(--peach)}.exact-toggle.is-on span{background:var(--peach)}.exact-toggle.is-on span::after{transform:translateX(30px)}
.exact-segments{display:grid;grid-template-columns:repeat(3,1fr);width:min(420px,100%);padding:6px;border:1px solid var(--line);border-radius:16px}.exact-segments button{min-height:64px;border:0;border-radius:10px;color:var(--muted);background:transparent}.exact-segments button[aria-checked="true"]{color:var(--cream);background:rgba(255,139,130,.18);box-shadow:inset 0 0 0 1px var(--peach)}
.exact-xy{border-radius:18px;background:linear-gradient(rgba(233,181,170,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(233,181,170,.08) 1px,transparent 1px),#141018;background-size:25% 25%}.xy-point{left:calc(var(--x)*100% - 25px);top:calc(var(--y)*100% - 25px);width:50px;height:50px}
.exact-confirm{--value:0;position:relative;display:grid;grid-template-columns:1fr;align-items:center;width:min(520px,90vw);height:82px;overflow:hidden;padding:8px;border:1px solid var(--line);border-radius:999px;background:#17121c}.confirm-progress{position:absolute;inset:0 auto 0 0;width:calc(var(--value)*100%);background:linear-gradient(90deg,rgba(255,139,130,.3),rgba(121,221,167,.38))}.confirm-thumb{position:absolute;z-index:2;left:calc(var(--value)*100% - var(--value)*66px);width:66px;height:66px;border:2px solid var(--rose);border-radius:50%;color:#1b1015;background:var(--peach-soft);font-size:.68rem;font-weight:900;touch-action:pan-y}.exact-confirm strong{position:relative;z-index:1;justify-self:center}.exact-disclosure{display:flex;justify-content:space-between;align-items:center;width:min(500px,100%);min-height:76px;padding:16px;border:1px solid var(--line);border-radius:16px;color:var(--cream);background:#211a27}.disclosure-content{width:min(500px,100%);margin-top:8px;padding:18px;border:1px solid var(--line);border-radius:16px;color:var(--muted);background:#141018}

/* Saved and settings */
.saved-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.saved-pattern{padding:20px;border:1px solid var(--line);border-radius:19px;background:rgba(255,255,255,.025)}.saved-pattern h2{margin:14px 0 7px;font-family:Optima,Georgia,serif;font-weight:500}.saved-pattern p{color:var(--muted);line-height:1.5}.saved-pattern small{color:var(--muted-2)}
.settings-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.settings-list fieldset{display:grid;gap:12px;min-width:0;padding:20px;border:1px solid var(--line);border-radius:19px;background:rgba(255,255,255,.025)}.settings-list legend{padding:0 7px;font-family:Optima,Georgia,serif;font-size:1.1rem}.settings-list label{display:flex;align-items:center;gap:11px;min-height:44px;color:var(--muted)}.settings-list input{width:22px;height:22px;accent-color:var(--peach)}.settings-list p{color:var(--muted-2);font-size:.72rem;line-height:1.45}
.empty-state{display:grid;place-items:start;gap:10px;padding:28px;border:1px dashed var(--line);border-radius:18px;color:var(--muted)}

@media (max-width: 980px) {
  .task-grid,.lesson-grid,.concept-grid { grid-template-columns:repeat(2,1fr); }
  .playground-layout-v2 { grid-template-columns:1fr; }
  .truth-panel { order:-1; }
  .choice-grid { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 700px) {
  .lab-app { padding-left:calc(12px + var(--safe-left)); padding-right:calc(12px + var(--safe-right)); }
  .lab-header { align-items:flex-start; }.lab-wordmark strong{font-size:1rem}.icon-text-link{padding-inline:10px}.current-control-link{display:none!important}
  .lab-nav { width:100%; }.lab-nav a{padding-inline:7px}
  #view-root{padding-top:20px}.page-heading{margin:18px 0 26px}.page-heading h1{font-size:clamp(2.2rem,12vw,3.8rem)}
  .task-grid,.lesson-grid,.concept-grid,.saved-grid,.settings-list,.concept-info-grid,.choice-grid { grid-template-columns:1fr; }
  .task-card { min-height:280px; }.lesson-card{min-height:270px}.concept-card{grid-template-rows:130px auto;min-height:310px}
  .continue-card,.wide-callout,.library-heading,.playground-heading,.concept-heading,.conflict-card { align-items:flex-start; flex-direction:column; }
  .formal-name { width:100%; flex:auto; }.related-row{grid-template-columns:1fr}.live-preview{grid-template-columns:1fr;min-height:390px}
  .dimension-tabs { grid-template-columns:repeat(2,1fr); }
  .build-progress li { grid-template-columns:32px 1fr;padding:8px }.build-progress li>span{width:32px;height:32px}.build-progress small{display:none}.build-progress strong{font-size:.66rem}
  .build-layout { grid-template-columns:1fr; }.build-summary{grid-template-columns:repeat(2,1fr)}.build-choice{grid-template-columns:78px 1fr}.build-choice>.specimen{width:72px}
  .selected-chips{grid-template-columns:repeat(2,1fr)}.workbench-card,.truth-panel,.save-panel{padding:15px}.workbench-head{align-items:flex-start;flex-direction:column}.interaction-workbench{min-height:390px;padding:14px}.semantic-readout{grid-template-columns:1fr}.storyboard{grid-template-columns:1fr}.save-panel{grid-template-columns:1fr}.save-panel .button-row{grid-column:auto}.build-actions{flex-wrap:wrap}.build-actions .primary-action{width:100%;order:-1;margin:0}
}

@media (orientation:landscape) and (min-width:760px) and (max-height:800px) {
  .interaction-workbench { min-height:330px; }.exact-joystick,.exact-xy{width:240px}.exact-radial{transform:scale(.82);margin:-26px}.exact-fader{min-height:260px}
}