.vt-auth-shell,
.vt-auth-shell * {
    box-sizing: border-box;
}

.vt-auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    gap: 56px;
    align-items: center;
    min-height: 560px;
    margin-top: 18px;
    padding: 64px clamp(28px, 6vw, 88px);
    color: #e8eef8;
    background:
        radial-gradient(circle at 5% 10%, rgba(90, 171, 255, .28), transparent 34%),
        radial-gradient(circle at 90% 90%, rgba(76, 196, 240, .14), transparent 38%),
        linear-gradient(145deg, #010c1f 0%, #052751 54%, #021a3d 100%);
    border-radius: 16px;
    overflow: hidden;
}

.vt-auth-intro { max-width: 590px; }
.vt-eyebrow { display: block; margin-bottom: 14px; color: #7ec8ff; font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.vt-auth-intro h1 { margin: 0 0 20px; color: #fff; font-size: clamp(34px, 4.5vw, 58px); line-height: 1.05; letter-spacing: -.035em; }
.vt-auth-intro > p { max-width: 550px; margin: 0; color: #b6c8df; font-size: 18px; line-height: 1.65; }
.vt-auth-benefits { display: grid; gap: 12px; margin: 30px 0 0; padding: 0; list-style: none; color: #d9e7f8; font-size: 15px; }
.vt-auth-benefits span { display: inline-grid; place-items: center; width: 24px; height: 24px; margin-right: 9px; color: #010c1f; background: #79d4f5; border-radius: 50%; font-size: 13px; font-weight: 800; }

.vt-auth-card { padding: 34px; color: #172033; background: rgba(255, 255, 255, .97); border: 1px solid rgba(255,255,255,.45); border-radius: 18px; box-shadow: 0 24px 70px rgba(0,0,0,.34); }
.vt-card-heading { display: flex; gap: 14px; align-items: center; margin-bottom: 26px; }
.vt-card-heading h2 { margin: 0 0 4px; color: #0b1930; font-size: 25px; }
.vt-card-heading p { margin: 0; color: #68758a; }
.vt-lock { display: grid; place-items: center; width: 46px; height: 46px; background: #e8f3ff; border-radius: 13px; font-size: 20px; }
.vt-field { margin-bottom: 18px; }
.vt-login-form .loginlabel { display: block; margin-bottom: 7px; color: #26344a; font-size: 14px; font-weight: 700; }
.vt-login-form .txtbox { width: 100%; height: 46px; padding: 10px 13px; color: #101828; background: #fff; border: 1px solid #cbd5e1; border-radius: 9px; font: inherit; outline: none; transition: border-color .2s, box-shadow .2s; }
.vt-login-form .txtbox:focus { border-color: #176fc1; box-shadow: 0 0 0 4px rgba(23,111,193,.14); }
.vt-login-form .rfv { display: block; margin-top: 6px; color: #b42318; font-size: 13px; }
.vt-login-form .btnlogin { width: 100%; height: 48px; margin-top: 2px; color: #fff; background: linear-gradient(135deg, #0757a0, #03397e); border: 0; border-radius: 9px; box-shadow: 0 9px 24px rgba(3,57,126,.25); font: inherit; font-weight: 700; cursor: pointer; transition: transform .18s, box-shadow .18s; }
.vt-login-form .btnlogin:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(3,57,126,.35); }
.vt-login-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 18px; color: #9aa5b5; font-size: 13px; }
.vt-login-links a, .vt-new-account a { color: #0757a0; font-weight: 700; text-decoration: none; }
.vt-login-links a:hover, .vt-new-account a:hover { text-decoration: underline; }
.vt-new-account { margin: 24px -34px -34px; padding: 18px 34px; text-align: center; color: #667085; background: #f4f7fb; border-radius: 0 0 18px 18px; }
.vt-new-account a { margin-left: 5px; }
.vt-login-form .formdisplayerror { margin-bottom: 18px; padding: 10px 13px; color: #9f1c14; background: #fff0ee; border: 1px solid #f7c5c0; border-radius: 9px; }
.vt-login-form .formdisplayerror ul { margin: 0; padding-left: 20px; }
.vt-unauthorized-shell .vt-auth-card { align-self: center; }
.vt-unauthorized-shell .vt-card-heading { align-items: flex-start; }
.vt-unauthorized-shell .vt-card-heading p { max-width: 310px; line-height: 1.45; }

.vt-processing-page { display: grid; place-items: center; min-height: 100vh; margin: 0; padding: 24px; color: #e8eef8; background: radial-gradient(circle at 30% 20%, #0a468b 0, transparent 35%), linear-gradient(145deg, #010c1f, #052751 60%, #021a3d); font-family: Arial, Helvetica, sans-serif; }
.vt-processing-card { width: min(440px, 100%); padding: 48px 38px; text-align: center; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.13); border-radius: 20px; box-shadow: 0 25px 80px rgba(0,0,0,.35); }
.vt-processing-card h1 { margin: 4px 0 10px; color: #fff; font-size: 27px; }
.vt-processing-card > p { margin: 0; color: #aebfd6; line-height: 1.6; }
.vt-spinner { width: 46px; height: 46px; margin: 0 auto 25px; border: 4px solid rgba(255,255,255,.16); border-top-color: #5aabff; border-radius: 50%; animation: vt-spin .8s linear infinite; }
.vt-processing-error { margin-top: 18px; padding: 14px; color: #ffd7d2; background: rgba(180,35,24,.22); border: 1px solid rgba(255,160,150,.3); border-radius: 10px; }
.vt-processing-error p { margin: 0 0 8px; }
.vt-processing-error a { color: #fff; font-weight: 700; }
@keyframes vt-spin { to { transform: rotate(360deg); } }

@media (max-width: 800px) {
    .vt-auth-shell { grid-template-columns: 1fr; gap: 34px; padding: 42px 22px; }
    .vt-auth-intro { text-align: center; margin: 0 auto; }
    .vt-auth-intro h1 { font-size: clamp(32px, 10vw, 46px); }
    .vt-auth-benefits { display: none; }
    .vt-auth-card { width: min(430px, 100%); margin: 0 auto; padding: 26px; }
    .vt-new-account { margin: 22px -26px -26px; padding: 17px 26px; }
}

@media (prefers-reduced-motion: reduce) {
    .vt-spinner { animation-duration: 1.6s; }
    .vt-login-form .btnlogin { transition: none; }
}