body {
    background-color: #f4f6f9;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.hero h1 {
    color: #1a1d21;
}

.card {
    border: none;
    border-radius: 0.75rem;
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-weight: 600;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.table th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.footer {
    margin-top: auto;
}