:root{--bg: #fbfaf7;--fg: #1f1c18;--muted: #6b6459;--line: #e3ded3;--accent: #8a5a2b;--ok: #2f6f4f;--warn: #8a6d1f;color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.55}@media(prefers-color-scheme:dark){:root{--bg: #17150f;--fg: #f2ede3;--muted: #a49b8c;--line: #332e25;--accent: #d9a066;--ok: #7fc7a0;--warn: #d9be6a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}.app-shell{min-height:100dvh;display:flex;flex-direction:column}.app-header{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:1rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line)}.app-header .brand{font-weight:650;letter-spacing:-.01em}.app-header a,.app-footer a{color:inherit;text-decoration:none}.app-header nav a:hover,.app-header .brand:hover{color:var(--accent)}.app-main{flex:1;padding:clamp(2rem,6vw,4rem) clamp(1rem,4vw,3rem)}.app-footer{padding:1rem clamp(1rem,4vw,3rem);border-top:1px solid var(--line);color:var(--muted);font-size:.8125rem}.stack{max-width:42rem;display:flex;flex-direction:column;gap:1rem}h1{margin:0;font-size:clamp(1.75rem,4vw,2.5rem);letter-spacing:-.02em}.lede{margin:0;color:var(--muted);font-size:1.0625rem}.muted{color:var(--muted);font-size:.875rem}.checks{margin:0;display:grid;gap:.5rem}.check{display:flex;justify-content:space-between;gap:1rem;padding:.625rem .875rem;border:1px solid var(--line);border-radius:.5rem}.check dt{color:var(--muted)}.check dd{margin:0;font-variant-numeric:tabular-nums}.check.ok dd{color:var(--ok)}.check.warn dd{color:var(--warn)}a{color:var(--accent)}