.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.main-content {
    min-height: calc(100vh - 180px);
}

.loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.alert-emglow {
    border-left: 3px solid var(--accent);
}

.badge-emglow {
    background: var(--accent);
}

.product-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.product-item:last-child {
    margin-bottom: 0;
}

.product-item .remove-btn {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
}