:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card-bg: #1a1d24;
  --text: #e8e8e8;
  --muted: #9aa0aa;
  --accent: #6ea8fe;
}

* {
  box-sizing: border-box;
}

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

header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

header p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.card {
  display: block;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.card.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  margin-bottom: 0.9rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem;
}