:root {
  --gap: 14px;
  --pill-bg: #f1f1f3;
  --pill-bg-hover: #e6e6ea;
  --pill-active: #111;
  --text: #111;
  --text-dim: #6b6b72;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  padding: 12px 24px 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
  max-height: 60vh;
  overflow-y: auto;
}

#toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.tool-btn {
  border: 1px solid #e2e2e6;
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.tool-btn:hover {
  background: var(--pill-bg);
}

.tool-btn.clear {
  border-color: transparent;
  color: var(--text-dim);
}

.result-count {
  font-size: 12px;
  color: var(--text-dim);
  margin-right: auto;
}

.facet {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 3px 0;
}

.facet-label {
  flex: none;
  width: 78px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding-top: 4px;
}

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

.pill {
  border: 1px solid #0a0a181a;
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background 0.12s, color 0.12s, border-color 0.12s, opacity 0.12s;
}

.pill:hover {
  background: var(--pill-bg);
}

.pill .count {
  color: var(--text-dim);
  font-size: 11px;
  margin-left: 5px;
}

.pill.active {
  background: var(--pill-active);
  color: #fff;
  border-color: var(--pill-active);
}

.pill.active .count {
  color: rgba(255, 255, 255, 0.7);
}

.pill.muted {
  opacity: 0.4;
}

main#grid {
  padding: 20px 24px 60px;
  column-gap: var(--gap);
  column-width: 320px;
}

.card {
  break-inside: avoid;
  margin-bottom: var(--gap);
  border-radius: 8px;
  overflow: hidden;
  background: #fafafa;
  cursor: zoom-in;
  display: block;
  line-height: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.15s, transform 0.15s;
}

.card:hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12), 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card img {
  width: 100%;
  height: auto;
  display: block;
}

.empty {
  color: var(--text-dim);
  padding: 40px 24px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  cursor: zoom-out;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
  border-radius: 4px;
}