:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --border: #e5e5e5;
  --card-bg: #fafafa;
  --chip-bg: #f2f2f2;
  --chip-active-bg: #111111;
  --chip-active-fg: #ffffff;
  --accent: #111111;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

a {
  color: var(--fg);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 32px 0 24px;
}

.site-header h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.controls {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

#search {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  outline: none;
}

#search:focus {
  border-color: var(--accent);
}

.filters {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.85rem;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.chip:hover {
  border-color: var(--accent);
}

.chip.active {
  background: var(--chip-active-bg);
  color: var(--chip-active-fg);
  border-color: var(--chip-active-bg);
}

.chip-count {
  font-size: 0.75rem;
  color: var(--muted);
}

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

.sort-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  font-size: 0.9rem;
}

#sort {
  padding: 6px 10px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
}

.count {
  margin-left: auto;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  padding: 24px 0 48px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

.card-title a {
  text-decoration: none;
}

.card-title a:hover {
  text-decoration: underline;
}

.card-provider {
  font-size: 0.85rem;
  color: var(--muted);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.tag {
  padding: 3px 8px;
  font-size: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-transform: capitalize;
}

.card-description {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fg);
}

.card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--muted);
}

.benchmarks {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.benchmark {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.benchmark-label {
  width: 70px;
  color: var(--muted);
}

.benchmark-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.benchmark-fill {
  height: 100%;
  background: var(--accent);
}

.benchmark-value {
  width: 32px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.empty {
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
}

.hidden {
  display: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .sort-row {
    flex-wrap: wrap;
  }

  .count {
    width: 100%;
    margin-left: 0;
  }
}