:root{--primary:#5b5cf0;--primary-dark:#4949dc;--soft:#eef0ff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--success:#10b981;--danger:#b91c1c}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at 0 0,rgba(91,92,240,.09),transparent 30%),radial-gradient(circle at 100% 100%,rgba(16,185,129,.07),transparent 25%),#f8fafc}
a{text-decoration:none}
.auth-shell{width:min(1150px,100%);min-height:100vh;margin:auto;padding:35px 24px;display:grid;grid-template-columns:minmax(320px,520px) minmax(320px,560px);gap:30px;align-items:center;justify-content:center}
.auth-hero,.auth-card{border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 60px rgba(15,23,42,.09);overflow:hidden}
.auth-hero{padding:38px;color:#fff;background:radial-gradient(circle at 88% 12%,rgba(255,255,255,.16),transparent 32%),linear-gradient(145deg,#27275e,#4848a8 60%,#5b5cf0)}
.auth-brand{display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:22px;font-weight:800;letter-spacing:-.7px;margin-bottom:44px}
.auth-logo{width:42px;height:42px;border:1px solid rgba(255,255,255,.22);border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.16);font-size:22px}
.auth-hero h1{font-size:clamp(30px,4vw,45px);line-height:1.09;letter-spacing:-1.7px;margin:0 0 18px}
.auth-hero p{font-size:15px;line-height:1.8;color:#e0e0ff;margin:0}
.auth-benefits{margin:32px 0 0;padding:0;list-style:none;display:grid;gap:16px}
.auth-benefits li{display:flex;gap:12px;align-items:flex-start;color:#f6f6ff;font-size:14px;line-height:1.5}
.auth-benefits span{flex:none;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.16);font-size:12px;font-weight:800}
.auth-card{background:#fff;padding:36px}
.auth-tag{display:inline-flex;align-items:center;gap:9px;border-radius:999px;background:var(--soft);color:#4546bd;padding:9px 14px;font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.035em}
.auth-tag.success{background:#ecfdf5;color:#047857}.auth-tag.error{background:#fef2f2;color:#b91c1c}
.auth-card h2{font-size:clamp(28px,3vw,34px);line-height:1.12;letter-spacing:-1.2px;margin:22px 0 14px}
.auth-card p{font-size:15px;color:var(--muted);line-height:1.75;margin:0 0 19px}
.auth-message{border:1px solid #dcdfff;background:var(--soft);border-radius:15px;padding:16px;margin:20px 0;color:#4546bd;font-size:14px;line-height:1.65}
.auth-message.error{background:#fff1f2;border-color:#fecdd3;color:var(--danger)}
.auth-message.success{background:#ecfdf5;border-color:#bbf7d0;color:#047857}
.auth-field{margin:20px 0}.auth-field label{display:block;font-size:14px;font-weight:700;margin-bottom:9px;color:#374151}
.auth-field input{width:100%;min-height:52px;border:1px solid #dfe3e8;border-radius:12px;padding:13px 15px;font-size:15px;color:var(--ink);background:#fff;outline:0;transition:border-color .2s,box-shadow .2s}
.auth-field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,92,240,.1)}
.auth-hint{font-size:12px!important;margin:-10px 0 15px!important}
.auth-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.auth-button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 20px;border-radius:12px;border:0;font:700 14px Inter,Arial,sans-serif;cursor:pointer;transition:transform .18s,background .18s,box-shadow .18s}
.auth-button:hover{transform:translateY(-1px)}
.auth-button.primary{color:#fff;background:var(--primary);box-shadow:0 10px 24px rgba(91,92,240,.22)}
.auth-button.primary:hover{background:var(--primary-dark)}
.auth-button.secondary{color:#374151;background:#fff;border:1px solid var(--line)}
.auth-divider{height:1px;background:var(--line);margin:26px 0 20px}
.auth-back{display:inline-block;color:var(--primary);font-size:14px;font-weight:700}
@media(max-width:900px){.auth-shell{grid-template-columns:1fr;max-width:620px;gap:18px}.auth-hero{padding:28px}.auth-brand{margin-bottom:18px}.auth-hero h1{font-size:30px}.auth-benefits{display:none}.auth-card{padding:28px}}
@media(max-width:520px){.auth-shell{padding:15px}.auth-hero,.auth-card{border-radius:20px}.auth-hero{padding:24px}.auth-card{padding:25px}.auth-actions{flex-direction:column}.auth-button{width:100%}}