body {
    background-color: #f5f6fa;
    min-height: 100vh;
}

.card-dashboard {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.15s ease;
}

.card-dashboard:hover {
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.alert-severity-critical {
    border-left: 4px solid #dc3545;
}

.alert-severity-warning {
    border-left: 4px solid #ffc107;
}

.alert-severity-info {
    border-left: 4px solid #0dcaf0;
}

.auth-card {
    max-width: 440px;
    margin: 2rem auto;
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}