:root {
  --bg: #fafafa;
  --bg-card: #ffffff;
  --fg: #1d1d1f;
  --fg-muted: #6e6e73;
  --border: #d2d2d7;
  --border-strong: #86868b;
  --accent: #0071e3;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
  --maxw: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-card: #1c1c1e;
    --fg: #f5f5f7;
    --fg-muted: #98989d;
    --border: #2c2c2e;
    --border-strong: #48484a;
    --accent: #2997ff;
    --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.5);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 24px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  column-gap: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0;
  color: var(--fg-muted);
  font-size: 14px;
}

#search {
  justify-self: end;
  width: min(360px, 100%);
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.category-nav {
  position: sticky;
  top: 64px;
  z-index: 9;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.category-nav::-webkit-scrollbar { display: none; }

.category-nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  gap: 6px;
  white-space: nowrap;
}

.cat-btn {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.cat-btn:hover { color: var(--fg); }
.cat-btn.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.fav-btn .heart { color: #ff375f; margin-right: 2px; }
.fav-btn.active .heart { color: #fff; }
.fav-btn .badge {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--fg) 10%, transparent);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.fav-btn.active .badge {
  background: color-mix(in srgb, var(--bg) 25%, transparent);
}

.catalog {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 32px 100px;
}

.section { margin-bottom: 72px; scroll-margin-top: 130px; }
.section:last-child { margin-bottom: 0; }

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-header h2 {
  margin: 0;
  font-size: 40px;
  letter-spacing: -0.03em;
  font-weight: 600;
}
.section-header .count {
  color: var(--fg-muted);
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
  gap: 32px;
}

.model-card {
  background: transparent;
  border: none;
  border-radius: 18px;
  padding: 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.model-card:hover .model-name {
  color: var(--accent);
}
.model-card:hover .photo-thumb {
  transform: translateY(-2px);
}
.photo-thumb { transition: transform 0.18s ease; }

.model-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 0 4px;
}
.model-name {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color 0.15s ease;
}
.model-year {
  color: var(--fg-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.photo-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.hero-shot {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-img {
  /* Render at same dimensions as a regular .photo-thumb (one of two columns in the photo-row),
     so cards with one shared group photo don't dwarf cards with per-color photos. */
  width: calc((100% - 14px) / 2);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 14px;
  background: var(--bg-card);
  display: block;
  padding: 0;
  box-sizing: border-box;
}
.color-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 4px;
}
.color-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  background: var(--bg-card);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.color-chip .chip-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
@media (prefers-color-scheme: dark) {
  .color-chip .chip-dot { border-color: rgba(255,255,255,0.15); }
}
.color-chip .chip-fav {
  color: #ff375f;
  font-size: 11px;
  margin-left: 2px;
}
.photo-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-card);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 0;
  box-sizing: border-box;
}
.photo-thumb .thumb-dot {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.08);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
@media (prefers-color-scheme: dark) {
  .photo-thumb .thumb-dot { border-color: rgba(255,255,255,0.12); }
}
.photo-thumb .swatch {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}
.photo-thumb .thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  letter-spacing: -0.01em;
  color: var(--fg);
  background: linear-gradient(to top,
    color-mix(in srgb, var(--bg-card) 96%, transparent) 60%,
    color-mix(in srgb, var(--bg-card) 0%, transparent));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}
.photo-thumb .thumb-fav {
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 14px;
  color: #ff375f;
  z-index: 1;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25));
}
.swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.12);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}
@media (prefers-color-scheme: dark) {
  .swatch { border-color: rgba(255,255,255,0.15); }
}

.color-count {
  color: var(--fg-muted);
  font-size: 12px;
  padding: 0 4px;
}

.empty {
  padding: 60px 0;
  text-align: center;
  color: var(--fg-muted);
}

/* Modal */
.modal[hidden] { display: none !important; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  animation: fade 0.15s ease;
}
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }

.modal-card {
  background: var(--bg-card);
  color: var(--fg);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: 28px 28px 24px;
  position: relative;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}
.modal-close:hover { background: var(--border); color: var(--fg); }

.modal-card h2 {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.modal-meta {
  margin: 0 0 20px;
  color: var(--fg-muted);
  font-size: 13px;
}

.modal-colors {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.color-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--fg) 4%, transparent);
  position: relative;
}
.fav-toggle {
  position: absolute;
  top: 6px;
  right: 8px;
  background: transparent;
  border: none;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 8px;
  color: var(--fg-muted);
  transition: color 0.12s, transform 0.12s, background 0.12s;
}
.fav-toggle:hover {
  color: #ff375f;
  background: color-mix(in srgb, var(--fg) 6%, transparent);
}
.fav-toggle.on {
  color: #ff375f;
}
.fav-toggle.on:active {
  transform: scale(0.92);
}
.color-row .row-head { display: flex; align-items: center; gap: 10px; }
.color-row .swatch { width: 32px; height: 32px; }
.color-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: color-mix(in srgb, var(--fg) 6%, transparent);
  object-fit: contain;
  display: block;
}
.color-row .label { font-size: 13px; font-weight: 500; }
.color-row .hex {
  font-size: 11px;
  color: var(--fg-muted);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: -0.01em;
}
.color-row .label-wrap { display: flex; flex-direction: column; min-width: 0; }
.color-row .note {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 2px;
}

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px;
  color: var(--fg-muted);
  font-size: 12px;
  text-align: center;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .topbar-inner {
    grid-template-columns: 1fr;
    row-gap: 8px;
  }
  #search { width: 100%; justify-self: stretch; }
  .category-nav { top: 124px; }
  .section { scroll-margin-top: 180px; }
}