*{box-sizing:border-box}body{margin:0;background:#eef2ff;color:#172033;font-family:"Nirmala UI","Segoe UI",Arial,sans-serif}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-brand{padding:clamp(42px,8vw,110px);background:linear-gradient(135deg,#08112f,#5b21b6);color:#fff;display:flex;flex-direction:column;justify-content:center}.auth-brand>a{color:#fff;text-decoration:none;font-size:24px;font-weight:1000}.auth-brand>a span{color:#fbbf24}.auth-brand h1{font-size:clamp(38px,5vw,70px);line-height:1.02;margin:32px 0 18px}.auth-brand p,.auth-brand li{color:#ddd6fe;font-size:18px;line-height:1.6}.auth-card{align-self:center;width:min(520px,calc(100% - 40px));margin:30px auto;padding:36px;background:#fff;border-radius:22px;box-shadow:0 20px 55px #1e1b4b20}.back{color:#4338ca;font-weight:800;text-decoration:none}.auth-card h2{font-size:32px;margin:24px 0 8px}.auth-card>p{color:#64748b;line-height:1.55}.auth-card label{display:block;font-weight:900;margin:18px 0 7px}.auth-card input{width:100%;padding:14px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px}.auth-card input.otp{text-align:center;font-size:28px;letter-spacing:10px;font-weight:900}.auth-card button{width:100%;margin-top:18px;padding:14px;border:0;border-radius:11px;background:#4f46e5;color:#fff;font-weight:900;cursor:pointer}.restart button{background:#e2e8f0;color:#172033}.alert{padding:12px;border-radius:10px;margin:14px 0;line-height:1.45}.alert.ok{background:#dcfce7;color:#166534}.alert.bad{background:#fee2e2;color:#991b1b}@media(max-width:800px){.auth-shell{grid-template-columns:1fr}.auth-brand{min-height:340px;padding:42px}.auth-card{margin:28px auto}}