:root{color-scheme:light dark;--bg:#fff;--fg:#1c2128;--muted:#57606a;--line:#d0d7de;--accent:#1B4DE4;--card:#f6f8fa}
@media(prefers-color-scheme:dark){:root{--bg:#0d1117;--fg:#e6edf3;--muted:#8b949e;--line:#30363d;--accent:#58A6FF;--card:#161b22}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',Inter,sans-serif}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:20px;color:var(--fg);text-decoration:none}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:8px 16px;border-radius:8px;text-decoration:none;font-weight:600}
main{max-width:860px;margin:0 auto;padding:32px 24px}
h1{font-size:1.9rem;line-height:1.25;margin:0 0 8px}
h2{font-size:1.2rem;margin:32px 0 12px;padding-top:16px;border-top:1px solid var(--line)}
a{color:var(--accent)}
dl.facts{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:16px 0;padding:16px;background:var(--card);border-radius:8px}
dl.facts dt{color:var(--muted)}
dl.facts dd{margin:0}
ul.prereqs{list-style:none;padding:0}
ul.prereqs li,ul.semester li{padding:10px 12px;background:var(--card);border-radius:8px;margin-bottom:8px}
ul.semester{list-style:none;padding:0}
.exams{color:var(--muted);font-size:14px}
.tag{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;margin-left:8px}
ul.courses{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:4px}
ul.courses a{text-decoration:none;display:block;padding:6px 8px;border-radius:6px}
ul.courses a:hover{background:var(--card)}
.cta-block{background:var(--card);padding:20px;border-radius:12px;margin-top:32px;border-top:0}
.cta-block h2{border-top:0;padding-top:0;margin-top:0}
footer{max-width:860px;margin:0 auto;padding:24px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.fine{font-size:13px}
img{max-width:100%}