body {
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.03em;
}

.card-img-top {
    object-fit: contain;
    background: #fff;
    height: 200px;
}

.search-hero {
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 2rem 0 1.5rem;
    margin-bottom: 2rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.catalog-card {
    transition: box-shadow 0.15s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.catalog-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.13);
    color: inherit;
    text-decoration: none;
}

.badge-catalog {
    font-size: 0.8rem;
    letter-spacing: 0.04em;
}

.image-detail-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 0.5rem;
}

.upload-zone {
    border: 2px dashed #adb5bd;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    background: #fff;
}