body {
    background: linear-gradient(180deg, #f3f6fb 0%, #edf2f7 100%);
    min-height: 100vh;
}

.metric-card,
.insight-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.metric-card span {
    display: block;
    color: #64748b;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.metric-card strong {
    display: block;
    font-size: 1.8rem;
    margin-top: 0.35rem;
}