:root {
  --bg: #fbfbfa;
  --fg: #1d1d1f;
  --muted: #62626a;
  --rule: #e3e3e0;
  --panel: #f1f1ee;
  --accent: #c2410c;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --fg: #e8e8ea;
    --muted: #9a9aa3;
    --rule: #2c2c31;
    --panel: #1e1e22;
    --accent: #fb923c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main, .site-header, .site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.site-header a { text-decoration: none; }
.brand { font-family: var(--mono); font-weight: 700; color: var(--fg); }
.site-header nav a { color: var(--muted); }
.site-header nav a:hover { color: var(--fg); }

.site-footer {
  margin-top: 64px;
  padding-top: 20px;
  padding-bottom: 32px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
}

h1, h2, h3, h4 { line-height: 1.25; }
h1 { font-size: 2.1rem; margin: 40px 0 8px; }
.prose h2 { font-size: 1.5rem; margin-top: 48px; padding-top: 8px; border-top: 1px solid var(--rule); }
.prose h3 { font-size: 1.2rem; margin-top: 32px; }
.prose h4 { font-size: 1.05rem; margin-top: 24px; }

.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 16px; }
.crumb { margin: 32px 0 0; font-size: 14px; }
.crumb a { color: var(--muted); }

.tags { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li {
  font: 12px/1 var(--mono);
  padding: 5px 8px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--muted);
}

.cards { display: grid; gap: 16px; }
.card {
  display: block;
  padding: 20px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card .tags { margin: 0; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--panel);
  padding: 1px 5px;
  border-radius: 4px;
}
pre {
  background: var(--panel);
  padding: 14px 16px;
  border-radius: 6px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code { background: none; padding: 0; font-size: 14px; }

.prose table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 15px;
  margin: 16px 0;
}
.prose th, .prose td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose th { border-bottom-width: 2px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 8px 0 24px;
}
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: auto; display: block; border-radius: 6px; border: 1px solid var(--rule); }
.gallery figcaption { font-size: 13px; color: var(--muted); margin-top: 4px; }

img { max-width: 100%; }

.home h2:first-child { border-top: none; margin-top: 16px; }
#projects { margin-top: 56px; padding-top: 8px; border-top: 1px solid var(--rule); }

details {
  margin: 16px 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 10px 14px;
}
details summary { cursor: pointer; font-family: var(--mono); font-size: 14px; }
details[open] summary { margin-bottom: 8px; }
details pre { margin: 0; }