:root {
  --fg: #1a1a1a;
  --bg: #ffffff;
  --dim: #6b6b6b;
  --border: #e2e2e2;
  --accent: #1a1a1a;
  --badge-explore: #eef2ff;
  --badge-explore-fg: #3730a3;
  --badge-trial: #fef3c7;
  --badge-trial-fg: #92400e;
  --badge-adopt: #dcfce7;
  --badge-adopt-fg: #166534;
  --code-bg: #f6f6f6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.site-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}

.site-title .dim {
  color: var(--dim);
  font-weight: 400;
}

main.container {
  padding-top: 2rem;
  padding-bottom: 3rem;
  min-height: 60vh;
}

.intro {
  color: var(--dim);
  margin-bottom: 2rem;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.pattern-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pattern-card {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.pattern-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.pattern-card h3 a {
  color: var(--fg);
  text-decoration: none;
}

.pattern-card h3 a:hover {
  text-decoration: underline;
}

.description {
  color: var(--dim);
  margin: 0 0 0.5rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--dim);
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-explore { background: var(--badge-explore); color: var(--badge-explore-fg); }
.badge-trial { background: var(--badge-trial); color: var(--badge-trial-fg); }
.badge-adopt { background: var(--badge-adopt); color: var(--badge-adopt-fg); }

.tags {
  display: inline-flex;
  gap: 0.5rem;
}

.tag {
  color: var(--dim);
  text-decoration: none;
}

.tag:hover {
  text-decoration: underline;
}

.pattern-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.tag-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.count {
  color: var(--dim);
  font-size: 0.85rem;
}

.content h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.content pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

.content code {
  background: var(--code-bg);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.content pre code {
  background: none;
  padding: 0;
}

.content a {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  color: var(--dim);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .container { padding: 0 1rem; }
}