:root {
  color-scheme: dark light;
  --bg: #0f1115;
  --fg: #e7e9ee;
  --muted: #8b91a1;
  --card: #181b22;
  --card-hover: #20242d;
  --accent: #7aa2ff;
  --tag-bg: #262b36;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7f9;
    --fg: #1a1c22;
    --muted: #5b6171;
    --card: #ffffff;
    --card-hover: #f0f2f7;
    --accent: #2f5fe0;
    --tag-bg: #eef0f5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem) 1rem;
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

#search {
  flex: 1;
  max-width: 22rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--card);
  color: var(--fg);
  font: inherit;
}

#search:focus {
  outline: none;
  border-color: var(--accent);
}

main {
  padding: 0 clamp(1rem, 4vw, 3rem) 3rem;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s, transform 0.15s;
}

.card:hover {
  background: var(--card-hover);
  transform: translateY(-2px);
}

.card .thumb {
  aspect-ratio: 16 / 10;
  background: #000 center / cover no-repeat;
  background-color: var(--tag-bg);
}

.card .thumb.placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 2rem;
}

.card .body {
  padding: 0.9rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.2rem;
}

.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--muted);
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 3rem 1rem;
}

.empty code {
  background: var(--tag-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}