:root{--bg:#f4f7fb;--card:#fff;--text:#142033;--muted:#667085;--brand:#0b5cab;--brand2:#dc2626;--line:#e5eaf1;--shadow:0 24px 70px rgba(15,23,42,.12)}
@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--card:#111c31;--text:#f8fafc;--muted:#94a3b8;--line:#263449;--shadow:0 24px 70px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,rgba(11,92,171,.16),transparent 34%),radial-gradient(circle at bottom right,rgba(220,38,38,.14),transparent 30%),var(--bg);color:var(--text);font:16px/1.45 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.card{width:min(100%,460px);background:var(--card);border:1px solid var(--line);border-radius:24px;padding:34px 28px;text-align:center;box-shadow:var(--shadow)}
.logo{display:block;max-width:220px;max-height:72px;width:auto;height:auto;margin:0 auto 24px;object-fit:contain}
.badge{width:52px;height:52px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));font-size:25px;font-weight:800}
h1{margin:0 0 10px;font-size:clamp(22px,5vw,30px);line-height:1.15;letter-spacing:-.03em}
p{margin:0 auto 24px;max-width:340px;color:var(--muted);font-size:15px}
form{display:flex;justify-content:center;align-items:center;min-height:82px}
@media (max-width:420px){body{padding:14px}.card{border-radius:20px;padding:28px 18px}.logo{max-width:190px;max-height:60px}}