:root{color-scheme:dark;--bg:#05070d;--panel:#0d111c;--panel-border:rgba(148,163,184,.18);--text:#f8fafc;--muted:#94a3b8;--accent:#60a5fa;--notice:#cbd5e1}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:radial-gradient(circle at top,rgba(37,99,235,.14),transparent 34%),var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}.shell{min-height:100vh;display:grid;place-items:center;padding:32px}.panel{width:min(100%,560px);border:1px solid var(--panel-border);border-radius:8px;background:rgba(13,17,28,.9);padding:40px;box-shadow:0 24px 80px rgba(0,0,0,.35)}.eyebrow{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.12em;margin-bottom:18px;text-transform:uppercase}h1{font-size:clamp(36px,7vw,56px);line-height:1;margin:0 0 18px}.lead{color:var(--muted);font-size:18px;margin:0 0 24px}.lead,.notice{line-height:1.6}.notice{border-top:1px solid var(--panel-border);color:var(--notice);font-size:14px;margin:0;padding-top:20px}