:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c2430;--muted: #5b6676;--border: #dfe3e8;--accent: #2f6fde;--error: #b42318;color-scheme:light}*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button{font:inherit;padding:.5rem 1rem;border:0;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}input,select{font:inherit;padding:.5rem;border:1px solid var(--border);border-radius:6px;width:100%}.center{min-height:100vh;display:grid;place-items:center;padding:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:2rem;width:min(380px,100%);display:grid;gap:1rem}.card label{display:grid;gap:.25rem;color:var(--muted)}.error{color:var(--error);margin:0}.topbar{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap}.topbar select{width:auto}.brand{font-weight:700;color:var(--accent);text-decoration:none}.institution{color:var(--muted)}.spacer{flex:1}.body{display:flex;min-height:calc(100vh - 56px)}.sidebar{width:240px;padding:1rem;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:.25rem}.sidebar h2{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:1rem 0 .25rem}.sidebar a{color:var(--text);text-decoration:none;padding:.35rem .5rem;border-radius:6px}.sidebar a.active,.sidebar a:hover{background:var(--bg);color:var(--accent)}.content{flex:1;padding:1.5rem;min-width:0}.facts{display:grid;grid-template-columns:max-content 1fr;gap:.5rem 1.5rem}.facts dt{color:var(--muted)}.facts dd{margin:0}@media(max-width:720px){.body{flex-direction:column}.sidebar{width:auto;border-right:0;border-bottom:1px solid var(--border)}}