body {
    background: #f7f9fc;
}

.login-page {
    background: linear-gradient(135deg, #f7f9fc 0%, #e9f0ff 100%);
}

.navbar .nav-link.active {
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 5px;
}

.card {
    border-radius: 1rem;
}

.form-control:focus {
    box-shadow: 0 0 0 .25rem rgba(13, 110, 253, .15);
}

.diaporama-hero {
    background: linear-gradient(135deg, #0d6efd, #083c91);
    color: #fff;
    border-radius: 1.25rem;
}

.diaporama-grid img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: .85rem;
}

.diaporama-grid a {
    display: block;
    text-decoration: none;
}

.diaporama-empty {
    border: 2px dashed #cfd8e3;
    background: #fff;
}