:root{color-scheme:light dark;--accent:#3b6fd6;--fg:#1a1a1a;--bg:#ffffff;--muted:#666666;--border:#dddddd}@media (prefers-color-scheme:dark){:root{--fg:#e8e8e8;--bg:#14161a;--muted:#9a9a9a;--border:#333333}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--fg);background:var(--bg)}a{color:var(--accent)}.container{max-width:720px;margin:0 auto;padding:0 1.5rem}.site-header{padding-top:1.5rem;padding-bottom:1rem}.site-header a{font-weight:600;text-decoration:none}main{padding-bottom:4rem}h1{font-size:1.5rem}.muted{color:var(--muted)}.error{color:#c0392b}.button{display:inline-block;padding:.5rem 1rem;background:var(--accent);color:#fff;border-radius:4px;text-decoration:none}.level-list{list-style:none;padding:0;margin:1.5rem 0}.level-list li{padding:.5rem 0;border-bottom:1px solid var(--border)}form{gap:1rem;max-width:480px}.field,form{display:flex;flex-direction:column}.field{gap:.25rem}button,select,textarea{font:inherit;padding:.5rem;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--fg)}button{cursor:pointer;background:var(--accent);color:#fff;border:none;align-self:flex-start}button:disabled{opacity:.6;cursor:default}dl{display:grid;grid-template-columns:max-content 1fr;grid-gap:.25rem 1rem;gap:.25rem 1rem;margin:1.5rem 0}dt{color:var(--muted)}dd{margin:0}