:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3fb950;
  --focus: #58a6ff;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #ffffff; --surface: #f6f8fa; --border: #d1d9e0;
  --text: #1f2328; --muted: #59636e; --accent: #1a7f37; --focus: #0969da;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  overflow-wrap: anywhere;
}
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.accent { color: var(--accent); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 14px; }
#theme-toggle {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; cursor: pointer;
}

.hero { padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.prompt { margin: 32px 0 8px; font-size: 15px; }
.cursor { display: inline-block; width: 0.6em; height: 1.1em; margin-left: 4px; vertical-align: text-bottom; background: var(--accent); animation: blink 1s steps(1) 3; }
@keyframes blink { 50% { opacity: 0; } }
h1 { font-size: clamp(22px, 4vw, 32px); line-height: 1.25; margin: 0 0 12px; font-weight: 600; }
.lede { margin: 0 0 16px; max-width: 62ch; color: var(--text); }

section { padding: 40px 0 8px; }
.section-h { font-size: 15px; font-weight: 600; margin: 0 0 20px; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; }
.card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 17px; font-weight: 600; }
.card-title { color: var(--text); }
a.card-title:hover { color: var(--accent); }
.tagline { margin: 6px 0 8px; font-weight: 500; }
.desc { margin: 0 0 12px; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 12px 0 0; font-size: 13px; }

.badge { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }

.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; }
.tags li { border: 1px solid var(--border); border-radius: 4px; padding: 1px 8px; }

.rows { list-style: none; margin: 0; padding: 0; }
.row { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 12px 0; border-top: 1px solid var(--border); }
.row:last-child { border-bottom: 1px solid var(--border); }
.row-name { font-weight: 600; }
.row-meta { font-size: 13px; }
@media (min-width: 720px) {
  .row { grid-template-columns: 200px 1fr auto; gap: 16px; align-items: baseline; }
}

.stack-group { margin-bottom: 16px; }
.stack-group h3 { font-size: 13px; font-weight: 400; margin: 0 0 8px; }

.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 32px 16px 48px; margin-top: 32px; border-top: 1px solid var(--border); font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  * { transition: none !important; }
}