:root { color-scheme: dark; --bg: #05080d; --panel: #0b131b; --border: #1d3a48; --text: #d1ebfa; --dim: #8aa5b3; --accent: #61e0ff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 32px; }
.brand { font-weight: 800; letter-spacing: 0.18em; color: #f0faff; text-decoration: none; font-size: 20px; }
nav a { color: var(--dim); margin-left: 18px; text-decoration: none; }
nav a:hover, a { color: var(--accent); }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 6px; color: #f0faff; }
h2 { font-size: 20px; margin: 34px 0 8px; color: var(--accent); }
p, li { color: var(--text); }
.dim { color: var(--dim); }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px 22px; margin: 24px 0; }
footer { margin-top: 56px; border-top: 1px solid var(--border); padding-top: 14px; color: var(--dim); font-size: 14px; }