.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px;background:radial-gradient(900px 480px at 15% 10%,rgba(61,156,240,.18),transparent 55%),radial-gradient(700px 420px at 90% 0,rgba(230,184,77,.08),transparent 50%),linear-gradient(165deg,#0b1220,#101828 45%,#0b1220);color:#e8eef9;font-family:Segoe UI,IBM Plex Sans,Helvetica Neue,sans-serif}.auth-card{width:100%;max-width:420px;border:1px solid #243049;border-radius:18px;background:rgba(18,26,43,.92);box-shadow:0 24px 60px rgba(0,0,0,.35);padding:36px 32px 28px;backdrop-filter:blur(8px)}.auth-brand{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#8b9bb8;margin:0 0 10px}.auth-title{margin:0;font-size:28px;font-weight:650;letter-spacing:-.02em;color:#e8eef9}.auth-sub{margin:10px 0 0;font-size:14px;line-height:1.5;color:#8b9bb8}.auth-form{display:flex;flex-direction:column;gap:14px;margin-top:28px}.auth-label{display:block;font-size:12px;color:#8b9bb8;margin-bottom:6px}.auth-input{width:100%;box-sizing:border-box;border:1px solid #243049;border-radius:10px;background:#0f1726;color:#e8eef9;padding:12px 14px;font-size:15px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.auth-input:focus{border-color:#3d9cf0;box-shadow:0 0 0 3px rgba(61,156,240,.2)}.auth-input::placeholder{color:#5f708c}.auth-btn{margin-top:6px;width:100%;border:none;border-radius:10px;padding:12px 14px;font-size:15px;font-weight:600;cursor:pointer;color:#061018;background:linear-gradient(180deg,#5eb0ff,#3d9cf0);transition:filter .15s ease,opacity .15s ease}.auth-btn:hover:not(:disabled){filter:brightness(1.06)}.auth-btn:disabled{opacity:.6;cursor:wait}.auth-error{margin:0;font-size:13px;color:#f07178}.auth-foot{margin:22px 0 0;font-size:13px;color:#8b9bb8;text-align:center}.auth-foot a{color:#3d9cf0;text-decoration:none;font-weight:500}.auth-foot a:hover{text-decoration:underline}