* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --surface-2: #f5f0e9;
  --line: #ece7e0;
  --line-strong: #ddd4c8;
  --text: #2b2722;
  --text-muted: #8a8178;
  --accent: #e2603b;
  --accent-hover: #c94f30;
  --accent-soft: #fdeee9;
  --green: #6fae58;
  --red: #d9584a;
  --blue: #4f7fb8;
  --radius: 8px;
  --shadow-soft: 0 1px 2px rgba(40, 30, 20, 0.04);
  --shadow-lift: 0 14px 30px rgba(40, 30, 20, 0.10);
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
button, input, select { font: inherit; }
button { cursor: pointer; }

.wrap,
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.container { padding-top: 28px; padding-bottom: 72px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 54px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav-logo {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 1.08em;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-left: auto;
}

.nav a:not(.nav-logo),
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
}

.nav a:not(.nav-logo):hover,
.nav a.active,
.nav-links a:hover {
  color: var(--text);
  background: #f1ece5;
}

.nav a.cta,
.nav-links a.cta {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(226, 96, 59, 0.24);
}

.nav a.cta:hover,
.nav-links a.cta:hover {
  background: var(--accent-hover);
  color: #fff;
}

.landing {
  min-height: calc(100vh - 54px);
  padding: 50px 32px 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.landing h1,
.page-title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
  color: var(--text);
}

.landing p,
.page-subtitle {
  max-width: 760px;
  margin: 18px auto 0;
  color: var(--text-muted);
  font-size: 1.18em;
  line-height: 1.55;
}

.landing-cards {
  width: min(900px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.landing-card,
.metric-card,
.grid-item,
.video-card,
.viewer-panel,
.object-summary,
.exp-row,
.asset-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.landing-card {
  padding: 28px 30px;
  color: var(--text);
  text-align: left;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}

.landing-card:hover,
.grid-item:hover,
.video-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
  color: var(--text);
}

.landing-card .card-count {
  color: var(--accent);
  font-size: 2.2em;
  font-weight: 800;
  line-height: 1;
}

.landing-card h2 { margin-top: 14px; font-size: 1.45em; }
.landing-card p { margin: 6px 0 0; font-size: .98em; }

.page-hero {
  padding: 42px 0 20px;
  text-align: center;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.metric-card {
  padding: 16px;
  text-align: left;
}

.metric-label {
  color: var(--text-muted);
  font-size: .82em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
}

.metric-value {
  margin-top: 4px;
  font-size: 1.75em;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  margin: 18px 0 16px;
}

.search-bar,
.control-select,
.obj-select,
.cam-select {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  outline: none;
  box-shadow: var(--shadow-soft);
}

.search-bar:focus,
.control-select:focus,
.obj-select:focus,
.cam-select:focus {
  border-color: var(--accent);
}

.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: .9em;
}

.chip,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: .78em;
  font-weight: 700;
}

.chip.accent,
.badge-rank {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.chip.ok,
.badge-success { background: #edf6e9; color: #3d7934; }
.chip.warn,
.badge-fail { background: #fbe9e7; color: #b34035; }
.badge-untested { background: var(--surface-2); color: var(--text-muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(206px, 1fr));
  gap: 22px;
  padding-bottom: 72px;
}

.grid-item {
  overflow: hidden;
  color: var(--text);
  cursor: pointer;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}

.thumb-slot,
.grid-item img {
  width: 100%;
  aspect-ratio: 1;
  background:
    linear-gradient(135deg, rgba(226, 96, 59, .10), rgba(253, 238, 233, .78)),
    var(--surface-2);
}

.thumb-slot {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-item img {
  display: block;
  object-fit: cover;
}

.grid-item .label {
  padding: 12px 12px 2px;
  font-size: .98em;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.grid-item .hands-info {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px 12px;
}

.object-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
}

.object-summary {
  position: sticky;
  top: 78px;
  overflow: hidden;
}

.object-summary img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--surface-2);
}

.object-summary-body { padding: 16px; }
.object-summary h1 { font-size: 1.35em; line-height: 1.2; }
.object-summary .sub { margin-top: 5px; color: var(--text-muted); font-size: .92em; }

.asset-panel {
  margin-top: 12px;
  padding: 12px;
}

.asset-panel h2 {
  font-size: .95em;
  margin-bottom: 8px;
}

.model-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  aspect-ratio: 1;
}

model-viewer {
  width: 100%;
  height: 100%;
  background: var(--surface-2);
}

.asset-empty {
  height: 100%;
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  color: var(--text-muted);
  text-align: center;
  font-size: .9em;
}

.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.tab {
  padding: 10px 18px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-muted);
  font-weight: 800;
  transition: color .18s, border-color .18s;
}

.tab:hover,
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}

.view-toggle {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.view-btn {
  min-height: 40px;
  padding: 8px 15px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-weight: 700;
}

.view-btn:last-child { border-right: 0; }
.view-btn.active { background: var(--accent); color: #fff; }
.view-btn:hover:not(.active) { color: var(--text); }

.grasp-count,
.exp-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-muted);
  font-size: .9em;
}

.stat { display: inline-flex; align-items: center; gap: 6px; }
.stat-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.stat-dot.success { background: var(--green); }
.stat-dot.fail { background: var(--red); }
.stat-dot.untested { background: var(--line-strong); }

.grasp-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
  gap: 16px;
}

.grasp-card,
.video-card,
.exp-row {
  overflow: hidden;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}

.grasp-card video,
.video-card video,
.exp-video-cell video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #111;
}

.grasp-card .card-footer,
.video-card .video-info,
.exp-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
}

.dl-btn {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-weight: 800;
}

.dl-btn:hover { color: var(--accent); }

.exp-list { display: flex; flex-direction: column; gap: 18px; }
.exp-row-header { border-bottom: 1px solid var(--line); }
.exp-row-header h3 { font-size: 1em; }
.exp-videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}
.exp-video-cell { padding: 10px; background: var(--surface); }
.cell-label { margin-bottom: 5px; color: var(--text-muted); font-size: .82em; font-weight: 700; }

.empty-state,
.loading {
  padding: 56px 24px;
  color: var(--text-muted);
  text-align: center;
}

.back-link {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-weight: 700;
}

@media (max-width: 900px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toolbar,
  .controls { grid-template-columns: 1fr; }
  .object-layout { grid-template-columns: 1fr; }
  .object-summary { position: static; }
  .exp-videos { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap,
  .container { padding-left: 20px; padding-right: 20px; }
  .nav { padding: 12px 16px; }
  .nav a:not(.nav-logo):not(.cta) { display: none; }
  .landing-cards,
  .metric-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
  .grasp-grid,
  .video-grid { grid-template-columns: 1fr; }
}