:root { --fg: #1d2433; --muted: #5b6475; --line: #dde2ea; --accent: #1f5fd6; --bg: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --fg: #e7ebf3; --muted: #a3acbd; --line: #2c3444; --accent: #7aa7ff; --bg: #12161f; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
header { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
header img { width: 56px; height: 56px; border-radius: 12px; }
h1 { font-size: 1.7rem; margin: 0; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.muted { color: var(--muted); }
a { color: var(--accent); }
nav { margin: 8px 0 24px; display: flex; gap: 16px; flex-wrap: wrap; }
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }