:root {
  --border: #e0e0e0;
  --text: #1a1a1a;
  --muted: #666;
  --accent: #1a5fb4;
  --bg: #fafafa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
}

.logo {
  height: 32px;
  width: auto;
  flex-shrink: 0;
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.search-wrap {
  position: relative;
  margin-bottom: 24px;
}

#search-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.search-results {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 320px;
  overflow-y: auto;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.search-results li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

.search-results li:hover {
  background: var(--bg);
}

.search-results img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 4px;
  background: var(--border);
}

.search-results .no-results {
  color: var(--muted);
  cursor: default;
}

.explainer {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text);
  text-align: center;
}

.explainer h2 {
  font-size: 18px;
  margin: 0 0 12px;
}

.explainer p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 12px;
}

.explainer-note {
  margin-bottom: 0 !important;
}

.explainer a {
  color: var(--accent);
}

.product-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.product-header h2 {
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.shade {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.shade[open] {
  padding-bottom: 16px;
}

.shade-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
}

/* Chrome/Safari's default disclosure triangle, replaced below with our own
   so it can sit after shade-count instead of before the swatch. */
.shade-header::-webkit-details-marker {
  display: none;
}

.shade-header::after {
  content: "";
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
}

.shade[open] > .shade-header::after {
  transform: rotate(45deg);
}

.shade-swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.shade-name {
  font-weight: 600;
}

.shade-count {
  color: var(--muted);
  font-size: 13px;
}

.shade .photo-grid {
  padding: 0 16px;
  margin-top: 4px;
}

.shade .shade-empty {
  padding: 0 16px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.photo-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.photo-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--bg);
}

.photo-info {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
}

.photo-filename {
  font-size: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
}

.photo-badges {
  display: flex;
  gap: 6px;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
}

.badge-original {
  background: #e6f4ea;
  color: #1e7e34;
  border-color: #b7e1c1;
}

.badge-webp {
  background: #fff4e5;
  color: #b25e09;
  border-color: #f3d9ad;
}

.photo-actions {
  display: flex;
}

.photo-actions .btn {
  flex: 1;
  text-align: center;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
}

.photo-actions .btn + .btn {
  border-left: 1px solid var(--border);
}

.btn-secondary {
  background: var(--bg);
  color: var(--muted);
}

.shade-empty {
  color: var(--muted);
  font-size: 14px;
}