.img-grayscale {
    filter: grayscale(100%);
    opacity: 0.6;
}
.alert-stock {
    padding: 15px;
    border-radius: 10px;
    font-weight: bold;
    text-align: center;
    margin-top: 15px;
}
.bg-light-gray {
    background-color: #f8f9fa;
}
.bg-soft-brand {
    background-color: #e8f5e9;
}
.bg-soft-info {
    background-color: #e3f2fd;
}
.vendor-info-card {
    transition: all 0.3s ease;
}
.vendor-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08) !important;
}
.specs-table-container, .description-container {
    height: 100%;
    transition: all 0.3s ease;
}
.specs-table-container:hover, .description-container:hover {
    border-color: #3BB77E !important;
}
.nav-tabs .nav-link.active {
    background-color: #3BB77E !important;
    color: #fff !important;
}
.variant-chip {
    background-color: #f8f9fa !important;
    border: 1px solid #dee2e6 !important;
    color: #495057 !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-weight: 500 !important;
}
.variant-chip:hover {
    background-color: #e8f5e9 !important;
    color: #3BB77E !important;
    border-color: #3BB77E !important;
    transform: translateY(-1px) !important;
}
.variant-chip.active {
    background-color: #3BB77E !important;
    color: #fff !important;
    border-color: #3BB77E !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 12px rgba(59, 183, 126, 0.3) !important;
    transform: scale(1.05) !important;
}