:root { color-scheme: light; --bg: #f7f7f8; --surface: #fff; --fg: #18181b; --fg-2: #3f3f46; --muted: #71717a; --border: #ececee; --todo: #fef08a; }
@media (prefers-color-scheme: dark) { :root { color-scheme: dark; --bg: #0e0e10; --surface: #18181b; --fg: #f4f4f5; --fg-2: #d4d4d8; --muted: #a1a1aa; --border: #27272a; --todo: rgba(250,204,21,0.3); } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg-2); font: 16px/1.7 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
.back { display: inline-block; color: var(--muted); text-decoration: none; font-size: 0.9rem; margin-bottom: 28px; }
.back:hover { color: var(--fg); }
article { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 40px; }
h1 { color: var(--fg); font-size: 2rem; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 6px; }
.updated { color: var(--muted); font-size: 0.88rem; margin: 0 0 28px; }
h2 { color: var(--fg); font-size: 1.15rem; margin: 32px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: inherit; }
.todo { background: var(--todo); border-radius: 4px; padding: 0 4px; }
.draft { background: var(--todo); color: var(--fg); border-radius: 10px; padding: 12px 16px; font-size: 0.9rem; margin-bottom: 24px; }
@media (max-width: 600px) { article { padding: 24px 18px; } h1 { font-size: 1.6rem; } }