:root {
  --bg: #0a0a0a;
  --panel: rgba(17, 17, 19, 0.74);
  --panel-solid: #141416;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --txt: #f4f3f8;
  --txt-dim: #a0a0a0;
  --txt-faint: #62646e;
  --accent: #b49bff;
  --accent-rgb: 180 155 255;
  --accent-light: #c4b5ff;
  --accent-deep: #8b6fcc;
  --accent-muted: #6b5aa0;
  --accent-soft: rgb(var(--accent-rgb) / 0.16);
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --disp: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --ui: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;
  --r: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--ui);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#scene-wrap { position: fixed; inset: 0; }

#loading {
  position: fixed; inset: 0; z-index: 50; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  transition: opacity 0.5s ease;
}
#loading .load-mark { font-family: var(--disp); font-weight: 700; font-size: 30px; letter-spacing: -0.01em; color: var(--txt); }
#loading .load-mark b { color: var(--accent); }
#loading .load-track { width: 220px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 3px; overflow: hidden; }
#loading #load-bar { width: 0%; height: 100%; background: var(--accent); transition: width 0.25s ease; }
#loading #load-txt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--txt-faint); }
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
#scene:active { cursor: grabbing; }

#label-layer {
  position: absolute; inset: 0; pointer-events: none;
  transition: opacity 0.35s ease; z-index: 6;
}
.label-lines { position: absolute; inset: 0; pointer-events: none; }
.callout-line { stroke: var(--accent); stroke-width: 1; transition: opacity 0.2s; }
.callout {
  position: absolute; top: 0; left: 0; display: flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; color: var(--txt);
  background: rgba(10, 11, 13, 0.82); border: 1px solid var(--line-strong);
  padding: 5px 9px; border-radius: 6px; white-space: nowrap; backdrop-filter: blur(6px);
  transition: opacity 0.2s; pointer-events: auto; opacity: 0;
}
.callout-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* ---------- top bar ---------- */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px;
  background: linear-gradient(to bottom, rgba(6,6,7,0.78), rgba(6,6,7,0));
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand .mark {
  font-family: var(--disp); font-weight: 700; font-size: 22px; letter-spacing: -0.01em;
}
.brand .mark b { color: var(--accent); }
.brand .tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--txt-faint); padding-bottom: 2px;
}
.top-right { display: flex; align-items: center; gap: 14px; }

/* segmented control */
.seg { display: flex; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12); border-radius: 11px; padding: 4px; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.1); }
.seg button {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--txt-dim); background: none; border: 0; padding: 7px 15px; border-radius: 8px; cursor: pointer;
  transition: all 0.18s;
}
.seg button.on { background: var(--txt); color: #0a0a0b; font-weight: 600; }
.seg button:not(.on):hover { color: var(--txt); }

.btn-cta {
  font-family: var(--ui); font-weight: 600; font-size: 13px; color: #0a0a0b;
  background: var(--accent); border: 0; padding: 11px 20px; border-radius: 11px; cursor: pointer;
  transition: transform 0.15s, filter 0.15s, box-shadow 0.15s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 6px 22px rgb(var(--accent-rgb) / 0.4);
}
.btn-cta:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 10px 30px rgb(var(--accent-rgb) / 0.5); }
.btn-cta svg { width: 15px; height: 15px; }

/* ---------- bottom-left product info ---------- */
#product {
  position: fixed; left: 28px; bottom: 28px; z-index: 15; max-width: 360px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#product.hidden { opacity: 0; transform: translateY(12px); pointer-events: none; }
#product h1 {
  font-family: var(--disp); font-weight: 600; font-size: 30px; line-height: 1.05;
  letter-spacing: -0.02em; margin-bottom: 10px;
}
#product p { font-size: 13.5px; line-height: 1.55; color: var(--txt-dim); margin-bottom: 16px; max-width: 320px; }
.specs { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.03em; color: var(--txt-dim);
  border: 1px solid var(--line); background: rgba(255,255,255,0.03); padding: 6px 10px; border-radius: 7px;
}
.chip b { color: var(--txt); font-weight: 600; }

.product-cta {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 20px;
  font-family: var(--ui); font-weight: 600; font-size: 14px; color: var(--txt);
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  padding: 13px 20px; border-radius: 13px; text-decoration: none;
  transition: all 0.18s; box-shadow: inset 0 1px 0 rgba(255,255,255,0.12);
}
.product-cta svg { width: 16px; height: 16px; color: var(--accent); transition: transform 0.18s; }
.product-cta:hover { background: rgba(255,255,255,0.13); border-color: var(--accent); transform: translateY(-2px); }
.product-cta:hover svg { transform: translateX(4px); }

/* ---------- control dock (glassmorphism) ---------- */
#dock {
  position: fixed; right: 26px; top: 50%; transform: translateY(-50%); z-index: 18;
  width: 320px; max-height: 84vh; overflow-y: auto;
  background: linear-gradient(165deg, rgba(48,52,66,0.50), rgba(14,16,22,0.40));
  backdrop-filter: blur(28px) saturate(1.35); -webkit-backdrop-filter: blur(28px) saturate(1.35);
  border: 1px solid rgba(255,255,255,0.14); border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.18);
}
#dock::-webkit-scrollbar { width: 8px; }
#dock::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); border-radius: 8px; }
.dock-head {
  display: flex; align-items: center; gap: 9px; padding: 16px 18px 6px;
}
.dock-head .label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--txt-dim); }

/* tab bar - segmented pills */
.tabs {
  display: flex; gap: 2px; padding: 4px; margin: 8px 12px 2px;
  background: rgba(255,255,255,0.06); border-radius: 13px;
}
.tabs button {
  flex: 1; font-family: var(--ui); font-size: 11px; font-weight: 500; color: var(--txt-dim);
  background: none; border: 0; border-radius: 9px; padding: 8px 2px; cursor: pointer;
  transition: all 0.18s; white-space: nowrap; letter-spacing: -0.01em;
}
.tabs button.on { color: var(--txt); background: rgba(255,255,255,0.13); box-shadow: 0 2px 8px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.12); }
.tabs button:not(.on):hover { color: var(--txt); }

.panel { padding: 18px; display: none; }
.panel.on { display: block; animation: panelIn 0.28s ease; }
@keyframes panelIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.row { margin-bottom: 17px; }
.row:last-child { margin-bottom: 4px; }
.row .lab {
  display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 9px;
}
.row .lab span { font-size: 13px; color: var(--txt); }
.row .lab .val { font-family: var(--mono); font-size: 11px; color: var(--accent); }

input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 5px;
  background: rgba(255,255,255,0.14); cursor: pointer; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid rgba(16,18,24,0.9);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.22), 0 2px 8px rgba(0,0,0,0.45);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid rgba(16,18,24,0.9);
}

/* pose grid */
.pose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.pose-grid button, .action-btn {
  font-family: var(--ui); font-size: 13px; font-weight: 500; color: var(--txt);
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px;
  padding: 13px 12px; cursor: pointer; transition: all 0.16s; text-align: left;
  display: flex; align-items: center; gap: 9px;
}
.pose-grid button:hover, .action-btn:hover { background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.2); transform: translateY(-1px); }
.pose-grid button .pico { font-family: var(--mono); font-size: 10px; color: var(--accent); }

/* toggle action button */
.action-btn { width: 100%; justify-content: space-between; margin-bottom: 11px; }
.action-btn .state { font-family: var(--mono); font-size: 10px; color: var(--txt-faint); letter-spacing: 0.1em; text-transform: uppercase; }
.action-btn.on { border-color: rgb(var(--accent-rgb) / 0.5); background: var(--accent-soft); }
.action-btn.on .state { color: var(--accent); }

.sub-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--txt-faint); margin: 6px 0 12px; }

/* swatches */
.swatches { display: flex; gap: 9px; flex-wrap: wrap; }
.swatch { width: 32px; height: 32px; border-radius: 9px; cursor: pointer; border: 2px solid transparent; transition: transform 0.12s; box-shadow: inset 0 1px 0 rgba(255,255,255,0.15); }
.swatch:hover { transform: scale(1.1); }
.swatch.on { border-color: var(--txt); }

/* hint - glass capsule, always visible */
#hint {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 12;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--txt-dim);
  display: flex; align-items: center; gap: 14px; pointer-events: none;
  background: rgba(18,20,26,0.5); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 100px; padding: 9px 18px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: opacity 0.5s ease;
}
#hint.dim { opacity: 0.55; }
#hint:hover { opacity: 1; }
.hint-item { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.hint-key {
  font-weight: 500; color: var(--txt); background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14); border-radius: 6px; padding: 2px 7px; font-size: 10px;
}
.hint-sep { width: 1px; height: 14px; background: rgba(255,255,255,0.12); }
.hint-pulse .hint-key { color: #07090f; background: var(--accent); border-color: transparent; animation: hintGlow 2.4s ease-in-out infinite; }
@keyframes hintGlow { 0%,100% { box-shadow: 0 0 0 0 rgb(var(--accent-rgb) / 0.5); } 50% { box-shadow: 0 0 0 5px rgb(var(--accent-rgb) / 0); } }

/* ===================== MOVES ===================== */
.move-list { display: flex; flex-direction: column; gap: 9px; }
.move-btn {
  display: flex; align-items: center; gap: 13px; width: 100%; text-align: left; cursor: pointer;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 14px;
  padding: 12px 14px; transition: all 0.16s; color: var(--txt);
}
.move-btn:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.2); transform: translateY(-1px); }
.move-ic {
  flex: none; width: 38px; height: 38px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: rgb(var(--accent-rgb) / 0.14); border: 1px solid rgb(var(--accent-rgb) / 0.28);
}
.move-ic svg { width: 20px; height: 20px; color: var(--accent); }
.move-txt { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.move-txt b { font-size: 13.5px; font-weight: 600; }
.move-txt small { font-size: 11px; color: var(--txt-dim); }
.move-play { font-size: 12px; color: var(--txt-faint); transition: color 0.16s; }
.move-btn:hover .move-play { color: var(--accent); }
.move-btn.playing { background: var(--accent-soft); border-color: var(--accent); }
.move-btn.playing .move-play::before { content: '■ '; }
.move-btn.playing .move-play { color: var(--accent); font-weight: 700; }

/* ===================== PART LIST ===================== */
.part-list { display: flex; flex-direction: column; gap: 5px; max-height: 52vh; overflow-y: auto; margin: 0 -4px; padding: 0 4px; }
.part-list::-webkit-scrollbar { width: 6px; }
.part-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 6px; }
.part-row {
  display: flex; align-items: center; gap: 11px; width: 100%; text-align: left; cursor: pointer;
  background: rgba(255,255,255,0.04); border: 1px solid transparent; border-radius: 11px;
  padding: 9px 11px; transition: all 0.14s; color: var(--txt);
}
.part-row:hover { background: rgba(255,255,255,0.09); }
.part-row.on { background: var(--accent-soft); border-color: var(--accent); }
.pr-idx { font-family: var(--mono); font-size: 10px; color: var(--txt-faint); flex: none; width: 18px; }
.part-row.on .pr-idx { color: var(--accent); }
.pr-body { flex: 1; display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.pr-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pr-type { font-size: 10.5px; color: var(--txt-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pr-qty { font-family: var(--mono); font-size: 10.5px; color: var(--txt-faint); flex: none; }
.part-row.on .pr-qty { color: var(--accent); }

/* stop button playing */
#stop-btn.on { border-color: rgb(var(--accent-rgb) / 0.5); background: var(--accent-soft); }
#stop-btn.on .state { color: var(--accent); }

/* ===================== PART INSPECTOR ===================== */
#inspector {
  position: fixed; left: 28px; bottom: 28px; z-index: 16; width: 340px; max-width: 86vw;
  background: linear-gradient(165deg, rgba(40,44,58,0.55), rgba(12,14,20,0.46));
  backdrop-filter: blur(30px) saturate(1.4); -webkit-backdrop-filter: blur(30px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.16); border-radius: 20px; padding: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.18);
  opacity: 0; transform: translateY(16px) scale(0.98); pointer-events: none;
  transition: opacity 0.32s cubic-bezier(.2,.8,.2,1), transform 0.32s cubic-bezier(.2,.8,.2,1);
}
#inspector.open { opacity: 1; transform: none; pointer-events: auto; }
.insp-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.insp-kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); border: 1px solid rgb(var(--accent-rgb) / 0.3); background: rgb(var(--accent-rgb) / 0.1); padding: 5px 10px; border-radius: 100px; }
.insp-close { width: 30px; height: 30px; border-radius: 8px; background: rgba(255,255,255,0.07); border: 1px solid var(--line); color: var(--txt-dim); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
.insp-close:hover { background: rgba(255,255,255,0.14); color: var(--txt); }
.insp-close svg { width: 15px; height: 15px; }
#inspector h2 { font-family: var(--disp); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; margin-bottom: 9px; }
#inspector > p { font-size: 13px; line-height: 1.55; color: var(--txt-dim); margin-bottom: 16px; }
.insp-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.insp-cell { background: rgba(255,255,255,0.05); border: 1px solid var(--line); border-radius: 11px; padding: 11px 12px; }
.insp-cell .k { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-faint); margin-bottom: 5px; }
.insp-cell .v { font-size: 13px; font-weight: 500; color: var(--txt); }
.insp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.insp-tag { font-family: var(--mono); font-size: 10px; color: var(--txt-dim); border: 1px solid var(--line); background: rgba(255,255,255,0.03); padding: 4px 9px; border-radius: 6px; }
.insp-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.insp-nav button { flex: 1; font-family: var(--ui); font-size: 12.5px; font-weight: 500; color: var(--txt); background: rgba(255,255,255,0.07); border: 1px solid var(--line-strong); border-radius: 10px; padding: 10px; cursor: pointer; transition: all 0.15s; }
.insp-nav button:hover { background: rgba(255,255,255,0.14); }
.insp-count { font-family: var(--mono); font-size: 11px; color: var(--txt-faint); flex: none; }
.insp-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px;
  padding-top: 14px; border-top: 1px solid var(--line); text-decoration: none;
  font-size: 12px; color: var(--txt-dim); transition: color 0.15s;
}
.insp-foot svg { width: 14px; height: 14px; color: var(--accent); transition: transform 0.15s; }
.insp-foot:hover { color: var(--txt); }
.insp-foot:hover svg { transform: translateX(4px); }

/* collapsible-dock handle (mobile only) */
.dock-toggle { display: none; }

@media (max-width: 920px) {
  /* touch-irrelevant mouse hint ("scroll to zoom" etc.), hidden on mobile */
  #hint { display: none; }

  /* control panel becomes a collapsible bottom sheet so it never blocks the model */
  #dock { transition: transform 0.34s cubic-bezier(.2,.8,.2,1); }
  #dock.collapsed { transform: translateY(calc(100% - 40px)); }
  .dock-toggle {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    width: 100%; background: none; border: 0; cursor: pointer;
    padding: 10px 0 6px; -webkit-tap-highlight-color: transparent;
  }
  .dock-grip { width: 42px; height: 5px; border-radius: 5px; background: rgba(255,255,255,0.3); }
  .dock-toggle-text {
    display: none; font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--txt-dim);
  }
  #dock.collapsed .dock-toggle-text { display: block; }
  #topbar { padding: 13px 16px; }
  .brand .mark { font-size: 18px; }
  .brand .tag { display: none; }
  .seg button { padding: 6px 12px; font-size: 10px; }

  /* compact marketing card at the top so the model keeps the centre */
  #product { left: 14px; right: 14px; max-width: none; bottom: auto; top: 78px; }
  #product h1 { font-size: 22px; line-height: 1.08; margin-bottom: 7px; }
  #product p { font-size: 12.5px; line-height: 1.45; margin-bottom: 0; max-width: none;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  #product .specs { display: none; }
  #product .product-cta { margin-top: 12px; padding: 11px 16px; font-size: 13px; }

  /* controls as a compact bottom sheet */
  #dock { right: 10px; left: 10px; top: auto; bottom: 12px; transform: none; width: auto;
    max-height: 42vh; border-radius: 18px; }

  /* inspector replaces the marketing card at the top (it hides #product when open),
     so it never collides with the bottom control sheet */
  #inspector { left: 14px; right: 14px; max-width: none; width: auto; top: 78px; bottom: auto;
    max-height: 48vh; overflow-y: auto; padding: 18px; }
}
@media (max-width: 600px) {
  /* the marketing CTA lives on the product card + dock; free the top bar */
  #topbar .btn-cta { display: none; }
}

/* ---------- AR (additive: bottom-right launcher + bottom-left prompt) ---------- */
.ar-fab {
  position: fixed; right: 26px; bottom: 28px; z-index: 19;
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--ui); font-weight: 600; font-size: 14px; color: #0a0a0b;
  background: var(--accent); border: 0; padding: 12px 18px; border-radius: 999px; cursor: pointer;
  box-shadow: 0 8px 26px rgb(var(--accent-rgb) / 0.45);
  transition: transform 0.15s, filter 0.15s, box-shadow 0.15s;
}
.ar-fab:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 12px 34px rgb(var(--accent-rgb) / 0.55); }
.ar-fab:active { transform: translateY(0); }
.ar-fab svg { width: 17px; height: 17px; }
.ar-fab[hidden] { display: none; }

.ar-link {
  display: flex; align-items: flex-start; gap: 9px; margin-top: 16px; width: 100%; text-align: left;
  font-family: var(--ui); font-size: 13px; line-height: 1.5; color: var(--txt-dim);
  background: var(--accent-soft); border: 1px solid rgb(var(--accent-rgb) / 0.28);
  border-radius: var(--r); padding: 11px 13px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.ar-link:hover { background: rgb(var(--accent-rgb) / 0.22); border-color: rgb(var(--accent-rgb) / 0.5); transform: translateY(-1px); }
.ar-link b { color: var(--txt); font-weight: 600; }
.ar-link svg { width: 16px; height: 16px; color: var(--accent); flex: 0 0 auto; margin-top: 1px; }
.ar-link[hidden] { display: none; }

/* accessory teaser: neutral sibling of .ar-link (orange AR stays the primary accent) */
.acc-link {
  display: flex; align-items: flex-start; gap: 9px; margin-top: 12px; width: 100%; text-align: left;
  font-family: var(--ui); font-size: 13px; line-height: 1.5; color: var(--txt-dim);
  background: rgba(255,255,255,0.05); border: 1px solid var(--line-strong);
  border-radius: var(--r); padding: 11px 13px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.acc-link:hover { background: rgba(255,255,255,0.09); border-color: var(--accent); transform: translateY(-1px); }
.acc-link b { color: var(--txt); font-weight: 600; }
.acc-link svg { width: 16px; height: 16px; color: var(--accent); flex: 0 0 auto; margin-top: 1px; }
.acc-link[hidden] { display: none; }

@media (max-width: 640px) {
  .ar-fab { right: 16px; bottom: 16px; padding: 11px 16px; font-size: 13px; }
}

/* ---------- brand logo (replaces text wordmark) ---------- */
.brand-logo { height: 26px; display: block; width: auto; }
#loading .load-mark .load-logo { height: 42px; display: block; width: auto; }
@media (max-width: 640px) {
  .brand-logo { height: 20px; }
}

/* ---------- accessories panel (live 3D add-ons) ---------- */
.accessory-list { display: flex; flex-direction: column; gap: 10px; }
.acc-btn.on { border-color: var(--accent); }
.acc-btn .acc-lbl { display: flex; flex-direction: column; gap: 2px; text-align: left; }
.acc-btn .acc-lbl small { color: var(--txt-faint); font-size: 11px; font-family: var(--mono); }
.acc-note { font-size: 11.5px; color: var(--txt-faint); margin-top: 14px; line-height: 1.5; }