:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --card-bg: #ffffff;
  --card-border: #cccccc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #f2f2f2;
    --muted: #999999;
    --card-bg: #111111;
    --card-border: #444444;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
}

main {
  width: min(1000px, 92vw);
  padding: 2rem 0;
}

h1 {
  text-align: center;
  margin: 0 0 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: inherit;
}

.card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  display: block;
}

.card-info {
  padding: 0.6rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.title {
  font-weight: bold;
  font-size: 0.95rem;
  line-height: 1.2;
}

.date {
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 420px) {
  .grid {
    grid-template-columns: 1fr;
  }
  body {
    align-items: flex-start;
  }
}