:root{color-scheme:light;--deep:#064e3b;--green:#10b981;--ink:#102a23;--muted:#64748b;--line:#dbe5e1}
.username-availability{margin-top:-3px;color:#047857;font-size:12px;font-weight:750}.username-availability.error{color:#991b1b}.username-availability.checking{color:#64748b}
.registration-contact{margin:14px 0 0;padding:10px 12px;border:1px solid #f0c55a;border-radius:10px;background:#fff6cf;color:#6f4a0d;font-size:13px}.registration-contact strong{color:#8f2433;font-size:16px;letter-spacing:.03em}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,#d1fae5,transparent 42%),linear-gradient(135deg,#f0fdf4,#f8fafc 55%,#ecfeff);font:15px/1.5 "Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink)}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:28px}.auth-card{width:min(440px,100%);background:#fffffff2;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 24px 70px #064e3b22}.auth-brand{display:flex;align-items:center;gap:13px}.brand-mark{display:block;width:58px;height:58px;border-radius:18px;box-shadow:0 9px 22px #064e3b33}.auth-brand .eyebrow{margin:0 0 1px}.auth-brand strong{display:block;color:#064e3b;font-size:25px;line-height:1.05;letter-spacing:-.04em}.eyebrow{margin:20px 0 5px;color:#047857;font-size:12px;font-weight:750;letter-spacing:.1em}.auth-card h1{margin:22px 0 0;font-size:28px}.description{color:var(--muted);margin:8px 0 22px}.auth-card form{display:grid;gap:16px}.auth-card label{display:grid;gap:7px;font-weight:650}.auth-card input{width:100%;border:1px solid #cbd5e1;border-radius:11px;padding:12px;font:inherit}.auth-card input:focus{outline:3px solid #a7f3d055;border-color:#10b981}.auth-card button{border:0;border-radius:11px;padding:13px;background:var(--green);color:#052e2b;font:inherit;font-weight:800;cursor:pointer}.auth-card button:disabled{opacity:.6}.notice{padding:11px 13px;margin-bottom:16px;border-radius:10px;background:#ecfdf5;color:#065f46}.notice.error{background:#fef2f2;color:#991b1b}.security-note{margin:22px 0 0;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.hidden{display:none!important}