:root {
    --auth-bg: #f3f5f9;
    --auth-card: #ffffff;
    --auth-border: #e5e7eb;
    --auth-text: #111827;
    --auth-muted: #6b7280;
}

body.kp-auth-body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(900px 300px at 50% -120px, #ffe3d7, transparent), var(--auth-bg);
    color: var(--auth-text);
    display: flex;
    align-items: center;
}

.kp-auth-shell {
    max-width: 460px;
    background: var(--auth-card);
    border: 1px solid var(--auth-border);
    border-radius: 16px;
    padding: 1.2rem;
    box-shadow: 0 14px 30px rgba(17, 24, 39, 0.08);
}

.kp-auth-brand {
    margin-bottom: 1rem;
}

.kp-auth-form .form-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.kp-auth-form .form-control {
    border-radius: 10px;
    padding: 0.62rem 0.72rem;
}

.kp-auth-form .form-control:focus {
    border-color: #f59e0b;
    box-shadow: 0 0 0 0.22rem rgba(245, 158, 11, 0.14);
}

@media (max-width: 576px) {
    .kp-auth-shell {
        border-radius: 12px;
        padding: 1rem;
    }
}