body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.hero {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}
.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}
.card {
    border: none;
    border-radius: 10px;
}
.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
footer {
    margin-top: auto;
}
.list-group-item.active, .list-group-item:hover {
    background-color: #e8f0fe;
}
pre code {
    font-size: 0.85rem;
}