body {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    padding: 16px;
}
.login-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    padding: 32px 28px;
}
.brand-badge {
    background: #ffe4e6;
    color: #e11d48;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 999px;
    display: inline-block;
    margin-bottom: 8px;
}
.btn-login {
    background: #2563eb;
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    font-size: 1rem;
}
.btn-login:hover {
    background: #1d4ed8;
}
.quick-acc {
    font-size: 0.82rem;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: 20px;
}
.quick-acc code {
    cursor: pointer;
    color: #2563eb;
    font-weight: 600;
}