:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f6f7fb;color:#18181b;padding:24px}
.auth-card{width:min(100%,440px);background:#fff;border:1px solid #e4e4e7;border-radius:24px;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.08)}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.auth-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#4f46e5;color:#fff;font-weight:800}
.auth-brand strong{display:block;font-size:1.05rem}.auth-brand span{display:block;color:#71717a;font-size:.82rem;margin-top:2px}
h1{font-size:2rem;letter-spacing:-.04em;margin:0 0 8px}p{color:#71717a;line-height:1.55}
form{display:grid;gap:16px;margin-top:24px}label{display:grid;gap:6px;font-weight:700;font-size:.88rem}
input{width:100%;min-height:46px;border:1px solid #d4d4d8;border-radius:12px;padding:0 14px;font:inherit;background:#fff;color:#18181b}
button{min-height:46px;border:0;border-radius:12px;padding:0 16px;background:#4f46e5;color:#fff;font:inherit;font-weight:800;cursor:pointer}
button:disabled{opacity:.6;cursor:wait}.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:18px;font-size:.86rem}.auth-links a{color:#4f46e5;text-decoration:none}
.auth-error{padding:12px 14px;border-radius:12px;background:#fef2f2;color:#991b1b;font-size:.88rem}.auth-error[hidden]{display:none}