:root{--primary:#5b3cdd;--primary2:#7459f7;--surface:#fdf8ff;--card:rgba(255,255,255,.78);--text:#1c1a24;--muted:#625e70;--outline:#c9c4d8;--danger:#ba1a1a}*{box-sizing:border-box}.auth-body{min-height:100vh;margin:0;display:grid;place-items:center;padding:20px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:radial-gradient(circle at 15% 15%,#e0e7ff 0,transparent 38%),radial-gradient(circle at 85% 20%,#f5d0fe 0,transparent 38%),linear-gradient(135deg,#fdf8ff,#fff1f2)}.auth-card{width:min(440px,100%);padding:40px;border:1px solid rgba(255,255,255,.8);border-radius:24px;background:var(--card);backdrop-filter:blur(20px);box-shadow:0 20px 60px rgba(60,40,110,.10)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--primary)}h1{margin:14px 0 8px;font-size:30px}p{color:var(--muted);line-height:1.6}.auth-card form{display:grid;gap:18px;margin-top:28px}.auth-card label{display:grid;gap:8px;font-size:14px;font-weight:650}.auth-card input{min-height:48px;padding:0 14px;border:1px solid var(--outline);border-radius:12px;background:rgba(255,255,255,.9);font-size:16px;outline:none}.auth-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,60,221,.12)}.auth-card button{min-height:48px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-size:16px;font-weight:700;cursor:pointer}#message{min-height:22px;color:var(--danger);font-size:14px}@media(max-width:600px){.auth-card{padding:28px 22px;border-radius:20px}h1{font-size:26px}}