:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f1eb;
  color: #17211e;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: radial-gradient(circle at 72% 18%, rgba(255,255,255,.96), transparent 30rem), linear-gradient(135deg, #faf8f4 0%, #ece6dc 100%);
}
button, select, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.experience {
  min-height: 100dvh;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1320px, 100%);
  margin: 0 auto 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: .88rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(23,33,30,.24);
  border-radius: 50%;
  letter-spacing: 0;
}
.status-pill {
  padding: 8px 12px;
  border: 1px solid rgba(23,33,30,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.66);
  color: #53605b;
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}
.status-pill.ready { color: #146447; }
.status-pill.error { color: #9d2e25; }
.status-pill.notice { color: #8a5a12; }

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(360px, .72fr);
  gap: clamp(22px, 4vw, 56px);
  align-items: start;
  width: min(1320px, 100%);
  margin: 0 auto;
}
.viewer-column {
  position: sticky;
  top: 16px;
  min-width: 0;
}
model-viewer {
  width: 100%;
  height: min(74dvh, 790px);
  min-height: 520px;
  border: 1px solid rgba(23,33,30,.08);
  border-radius: 28px;
  background: rgba(255,255,255,.44);
  box-shadow: 0 28px 80px rgba(42,47,43,.12);
  --poster-color: transparent;
  --progress-bar-color: #176548;
}
.viewer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(23,33,30,.09);
  border-radius: 18px;
  background: rgba(255,255,255,.58);
}
.label {
  display: block;
  margin-bottom: 3px;
  color: #66706b;
  font-size: .68rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.catalog-panel {
  max-height: calc(100dvh - 88px);
  overflow: auto;
  padding: 18px 4px 28px 0;
  scrollbar-width: thin;
}
.eyebrow {
  margin: 0 0 12px;
  color: #176548;
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .14em;
}
h1 {
  max-width: 13ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.15rem, 3.4vw, 3.8rem);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: .98;
}
.description {
  max-width: 44ch;
  margin: 18px 0;
  color: #59645f;
  line-height: 1.55;
}
.description strong { color: #24302c; }
.filter-label {
  display: block;
  margin-bottom: 7px;
  font-size: .76rem;
  font-weight: 750;
}
.collection-filter {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(23,33,30,.15);
  border-radius: 12px;
  background: rgba(255,255,255,.72);
  color: inherit;
}
.catalog-notice {
  margin: 12px 0 16px;
  padding: 11px 13px;
  border-left: 3px solid #b58a43;
  background: rgba(255,255,255,.45);
  color: #6a604e;
  font-size: .76rem;
  line-height: 1.45;
}
.fabric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.fabric-grid.library-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.fabric-card {
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(23,33,30,.1);
  border-radius: 15px;
  background: rgba(255,255,255,.62);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.fabric-card:hover { transform: translateY(-2px); }
.fabric-card:focus-visible,
.secondary-button:focus-visible,
.ar-button:focus-visible,
.collection-filter:focus-visible {
  outline: 3px solid #8dd9bb;
  outline-offset: 3px;
}
.fabric-card[aria-pressed="true"] {
  border-color: #176548;
  box-shadow: 0 0 0 2px rgba(23,101,72,.18);
}
.fabric-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.library-grid .fabric-card img { aspect-ratio: 4 / 3; }
.fabric-card span {
  display: block;
  min-height: 54px;
  padding: 10px;
  font-size: .76rem;
  font-weight: 680;
  line-height: 1.35;
}
.library-grid .fabric-card span {
  min-height: 72px;
  padding: 9px;
  font-size: .7rem;
}
.ar-button,
.secondary-button {
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}
.ar-button {
  position: absolute;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 52px;
  padding: 0 20px;
  background: #176548;
  color: #fff;
  box-shadow: 0 12px 30px rgba(23,101,72,.28);
}
.secondary-button {
  min-height: 40px;
  padding: 0 15px;
  background: #17211e;
  color: #fff;
}
.secondary-button:disabled {
  opacity: .4;
  cursor: not-allowed;
}
.loading-panel {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #53605b;
  font-size: .9rem;
  font-weight: 700;
}
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(23,101,72,.18);
  border-top-color: #176548;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .workspace { grid-template-columns: minmax(0, 1.25fr) minmax(330px, .8fr); }
  .fabric-grid.library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .viewer-column { position: static; }
  model-viewer { height: 62dvh; min-height: 420px; }
  .catalog-panel { max-height: none; overflow: visible; padding-top: 4px; }
  h1 { max-width: 14ch; }
  .fabric-grid.library-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .fabric-grid.library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .experience { padding-inline: 12px; }
  model-viewer { min-height: 390px; border-radius: 20px; }
  .viewer-footer { align-items: flex-start; flex-direction: column; }
  .secondary-button { width: 100%; }
  .fabric-grid { gap: 8px; }
  .fabric-card span { min-height: 60px; font-size: .72rem; }
}

.attr-filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 0 0 12px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 7px 8px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 7px; border-radius: 999px; background: rgba(23,33,30,.08); font-size: .62rem; }
.chip-dot { width: 7px; height: 7px; border-radius: 50%; }
.config-summary { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(23,33,30,.12); }
.config-row { display: flex; justify-content: space-between; gap: 12px; font-size: .72rem; }