:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f172a;--card:#1e293b;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.app main{max-width:42rem;margin:0 auto;padding:1rem}.topbar{background:var(--card);border-bottom:1px solid #334155;justify-content:space-between;align-items:center;padding:.75rem 1rem;display:flex}.topbar .brand{color:var(--accent);font-weight:700;text-decoration:none}.topbar nav{align-items:center;gap:1rem;display:flex}.topbar a{color:var(--text);text-decoration:none}.card{background:var(--card);border:1px solid #334155;border-radius:.75rem;margin-bottom:1rem;padding:1rem}label{color:var(--muted);margin-bottom:.75rem;display:block}input{background:var(--bg);width:100%;color:var(--text);border:1px solid #475569;border-radius:.5rem;margin-top:.25rem;padding:.5rem;display:block}button{background:var(--accent);color:#082f49;cursor:pointer;border:0;border-radius:.5rem;padding:.5rem 1rem;font-weight:600}button:disabled{opacity:.6}.error{color:#f87171}a{color:var(--accent)}ul{padding-left:1.25rem}