:root { --bg:#0f1419; --card:#1a222c; --text:#e8eef4; --muted:#9aabbc; --accent:#5eb1ff; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, sans-serif; background:var(--bg); color:var(--text); line-height:1.55; }
header, main, footer { max-width:720px; margin:0 auto; padding:1.25rem 1rem; }
header a { color:var(--accent); text-decoration:none; font-weight:600; }
nav a { color:var(--muted); margin-right:1rem; text-decoration:none; font-size:0.95rem; }
nav a:hover { color:var(--accent); }
h1 { font-size:1.7rem; margin:0.4rem 0 0.6rem; }
h2 { font-size:1.25rem; margin-top:1.6rem; }
.card { background:var(--card); border-radius:12px; padding:1rem 1.1rem; margin:1rem 0; }
.muted { color:var(--muted); font-size:0.95rem; }
table { width:100%; border-collapse:collapse; font-size:0.95rem; }
th, td { text-align:left; padding:0.55rem 0.4rem; border-bottom:1px solid #2a3542; }
th { color:var(--muted); font-weight:600; }
.note { font-size:0.9rem; color:var(--muted); }
footer { color:var(--muted); font-size:0.85rem; border-top:1px solid #2a3542; margin-top:2rem; }