body.auth-body {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-container { width: 100%; max-width: 420px; }
.auth-card { border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; overflow: hidden; background: #fff; }
.auth-header { padding: 32px 32px 0; }
.card-body { padding: 24px 32px; }
.card-footer { background: #f8fafc; border-top: 1px solid #e2e8f0; }