body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f4f7fb 0%, #e8eef6 100%);
    color: #13355b;
    font-family: "Segoe UI", Arial, sans-serif;
}

.auth-error-card {
    max-width: 560px;
    width: calc(100% - 2rem);
    background: #fff;
    border: 1px solid rgba(19, 53, 91, 0.12);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(19, 53, 91, 0.12);
    padding: 2rem;
}

.auth-error-icon {
    width: 56px;
    height: 56px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffe8e8;
    color: #b42318;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}