:root {
  --bg: #0d0f12;
  --bg-card: #15181d;
  --bg-card-hover: #1b1f26;
  --fg: #e7ebef;
  --fg-muted: #8a94a1;
  --fg-dim: #5a6472;
  --accent: #7cc4ff;
  --border: #23272f;
  --radius: 10px;
  --shadow: 0 1px 0 rgba(255,255,255,0.02), 0 8px 24px rgba(0,0,0,0.25);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 80px 24px 64px;
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.hero .tag {
  color: var(--fg-muted);
  margin: 0 0 48px;
  font-size: 1.05rem;
}

.state {
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 16px 0;
}

.state.error { color: #ff8a8a; }

.grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 140px;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: #2d323b;
  transform: translateY(-1px);
}

.card a.title {
  color: var(--fg);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.005em;
}

.card a.title:hover { color: var(--accent); text-decoration: none; }

.card .desc {
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin: 0;
  flex: 1;
}

.card .meta {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--fg-dim);
  font-size: 0.82rem;
  font-family: var(--mono);
}

.card .meta .lang { display: inline-flex; align-items: center; gap: 6px; }
.card .meta .lang::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 0.85rem;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.sep { color: var(--fg-dim); }

@media (max-width: 520px) {
  main { padding: 48px 20px; }
  .hero h1 { font-size: 1.85rem; }
  .grid { grid-template-columns: 1fr; }
}