:root{--bg:#f6f8f2;--fg:#1f2a1f;--muted:#586458;--accent:#2f7d46;--card:#fff;--line:#d9e0d3}
@media (prefers-color-scheme:dark){:root{--bg:#141a14;--fg:#e8efe4;--muted:#a3b0a0;--accent:#6fcf8c;--card:#1d261d;--line:#2d392d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header,main,footer{max-width:42rem;margin:0 auto;padding:1rem}
header{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:baseline;border-bottom:1px solid var(--line)}
header strong{font-size:1.1rem}
nav a{margin-right:1rem}
a{color:var(--accent)}
h1{font-size:1.8rem;line-height:1.2}
h2{font-size:1.25rem;margin-top:2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.25rem;margin:1rem 0}
.btn{display:inline-block;background:var(--accent);color:var(--bg);padding:.6rem 1.1rem;border-radius:8px;text-decoration:none;font-weight:600}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.4rem .6rem;text-align:left;vertical-align:top}
.small,footer{color:var(--muted);font-size:.9rem}
@media(max-width:480px){table,thead,tbody,tr,th,td{display:block}thead{display:none}td{border-top:0}tr{margin-bottom:.75rem;border-top:1px solid var(--line)}}