:root{--bg:#f6f3fb;--ink:#231d3b;--muted:#5d5474;--accent:#5a3fd0;--panel:#fff;--line:#e3dcef}
@media (prefers-color-scheme:dark){:root{--bg:#17132a;--ink:#f3eefa;--muted:#b3a9c7;--accent:#9b85ff;--panel:#221c3a;--line:#342b52}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;padding:14px 20px;background:#231d3b}header a{color:#e9e4f7;text-decoration:none;font-weight:600}
.brand{font:800 1.15rem system-ui;color:#ffc53d!important}nav{display:flex;flex-wrap:wrap;gap:14px}
main{max-width:760px;margin:0 auto;padding:28px 20px 40px}h1{font-size:1.9rem;margin:0 0 14px}h2{font-size:1.2rem;margin:26px 0 6px}a{color:var(--accent)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:14px}.form label{display:flex;flex-direction:column;gap:4px;font-weight:600;margin-bottom:12px}
input,textarea{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}.hp{position:absolute;left:-9999px}
.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}
.note{padding:10px 14px;border-radius:10px;font-weight:600}.note.ok{background:#d6f5e3;color:#11643a}.note.err{background:#fde0e3;color:#8f1d2a}
footer{text-align:center;color:var(--muted);padding:20px;font-size:.9rem}