/* Custom animations and styles */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Card hover effects */
.inventory-card {
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
}

.inventory-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: #cbd5e1;
}

/* Stock level indicators */
.stock-low {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.stock-medium {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fed7aa;
}

.stock-high {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* Button animations */
.btn-primary {
    transition: all 0.2s ease;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-1px);
}

.btn-danger {
    transition: all 0.2s ease;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
}

/* Form focus states */
.form-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Modal animations */
.modal-overlay {
    backdrop-filter: blur(4px);
    transition: opacity 0.3s ease;
}

.modal-content {
    transition: transform 0.3s ease;
}

/* Loading spinner */
.loading-spinner {
    border-top-color: #3b82f6;
    animation: spin 1s linear infinite;
}

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

/* Price formatting */
.price-display {
    font-feature-settings: 'tnum';
    font-variant-numeric: tabular-nums;
}

/* Responsive design improvements */
@media (max-width: 768px) {
    .inventory-card {
        margin-bottom: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Quantity controls */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transition: all 0.2s ease;
}

.qty-btn:hover {
    transform: scale(1.1);
}

/* Success and error messages */
.alert {
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #047857;
}

.alert-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #dc2626;
}

/* Card content spacing */
.card-content {
    padding: 1.5rem;
}

.card-header {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.card-footer {
    border-top: 1px solid #e5e7eb;
    padding-top: 0.75rem;
    margin-top: 1rem;
}