:root { --bg:#f6f7f9; --panel:#fff; --text:#151a21; --muted:#667085; --border:#e3e6eb; --accent:#5b4ce6; --warn:#fef4e6; font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color-scheme: light; }
@media (prefers-color-scheme: dark) { :root { --bg:#0f1216; --panel:#161a20; --text:#e8ebf0; --muted:#98a2b3; --border:#2a303a; --accent:#8f84ff; --warn:#3a2c10; color-scheme: dark; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15px; }
main { max-width: 780px; margin: 0 auto; padding: 32px 16px; }
article { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 32px; }
h1 { font-size: 26px; margin: 0 0 4px; } h2 { font-size: 18px; margin: 28px 0 8px; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; }
.note { background: var(--warn); border-radius: 8px; padding: 12px 14px; font-size: 13px; margin: 16px 0; }
nav { margin-bottom: 16px; font-size: 14px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px 16px; }
@media (max-width: 600px) { article { padding: 20px; } }