:root {
  color-scheme: dark;
  --bg: #080d18;
  --panel: #0f1a2d;
  --panel-2: #12203a;
  --line: #1f3352;
  --text: #e6edf7;
  --muted: #8ea2c0;
  --accent: #38bdf8;
  --accent-2: #f59e0b;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, #12233d 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  background: rgba(8, 13, 24, 0.82);
  z-index: 5;
}

header.site .wrap { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.brand b { color: var(--text); }
.spacer { flex: 1; }
.badge {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 999px;
  padding: 3px 10px;
  background: rgba(56, 189, 248, 0.08);
}

.hero { padding: 56px 0 24px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p.lead { color: var(--muted); font-size: 18px; max-width: 62ch; margin: 0 0 22px; }
.hero .url { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.hero .url strong { color: var(--accent); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 26px 0 8px; }
.stat { border: 1px solid var(--line); background: linear-gradient(180deg, var(--panel-2), var(--panel)); border-radius: 10px; padding: 12px 14px; }
.stat span { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.stat b { font-size: 22px; font-variant-numeric: tabular-nums; }

section { padding: 34px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 13px; font-family: var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 16px; font-weight: 600; }

.figure { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.figure > .canvas { height: min(62vh, 520px); background: #0b1120; position: relative; }
.figure > .canvas svg { width: 100%; height: 100%; display: block; }
.figure figcaption { padding: 10px 14px; font-family: var(--mono); font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.layers { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0 0; }
.layers button {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 11px;
  cursor: pointer;
}
.layers button[aria-pressed="true"] { opacity: 0.45; text-decoration: line-through; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: var(--panel); }
.card h3 { margin: 0 0 6px; font-size: 15px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card code { font-family: var(--mono); font-size: 12px; color: var(--accent-2); }

button.primary {
  font-family: var(--mono);
  font-size: 13px;
  color: #04121f;
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 600;
}
button.primary:hover { background: #7dd3fc; }

table.manifest { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
table.manifest th, table.manifest td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.manifest th { color: var(--muted); font-weight: 500; }
table.manifest td.sha { color: var(--muted); }

pre.diff { background: #060b14; border: 1px solid var(--line); border-radius: 10px; padding: 14px; overflow-x: auto; font-family: var(--mono); font-size: 12px; }

footer.site { border-top: 1px solid var(--line); padding: 26px 0 40px; color: var(--muted); font-family: var(--mono); font-size: 12px; }
footer.site .wrap { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f7f9fc;
    --panel: #ffffff;
    --panel-2: #f1f5fb;
    --line: #d7e0ee;
    --text: #0d1b2e;
    --muted: #536685;
    --accent: #0369a1;
  }
  body { background: radial-gradient(900px 500px at 15% -10%, #e6effc 0%, var(--bg) 65%); }
  header.site { background: rgba(247, 249, 252, 0.85); }
  button.primary { color: #ffffff; background: var(--accent); }
  pre.diff { background: #f4f7fb; }
}