* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  min-height: 100vh;
  padding: 32px 16px 80px;
}
header {
  max-width: 1100px;
  margin: 0 auto 32px;
  padding: 0 12px;
}
header h1 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  color: #f0f6fc;
}
.env-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  background: #1f6feb33;
  color: #58a6ff;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  vertical-align: middle;
}
.sub {
  font-size: 14px;
  color: #8b949e;
  max-width: 720px;
  line-height: 1.5;
}
.sub code {
  background: #161b22;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}
.grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 0 12px;
}
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
  padding: 16px;
  text-decoration: none;
  color: #f0f6fc;
  background: linear-gradient(135deg, var(--c) 0%, #1a1f2e 220%);
  border: 1px solid #30363d;
  border-radius: 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 60% at 0% 0%, color-mix(in srgb, var(--c) 40%, transparent) 0%, transparent 70%);
  pointer-events: none;
}
.tile:hover {
  transform: translateY(-2px);
  border-color: var(--c);
  box-shadow: 0 6px 30px -10px color-mix(in srgb, var(--c) 70%, transparent);
}
.badge {
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.04em;
}
.title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.links {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.links a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255,255,255,0.4);
}
.links a:hover { border-bottom-style: solid; }
footer {
  max-width: 1100px;
  margin: 48px auto 0;
  padding: 24px 12px 0;
  border-top: 1px solid #21262d;
  text-align: center;
  font-size: 12px;
  color: #6e7681;
}
footer p { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }