/**
 * Pro10 Nutrition - Custom Styles
 * Additional styles to complement Tailwind CSS
 */

/* Custom animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Notification animations */
.notification {
    animation: fadeIn 0.3s ease-out;
}

/* Loading states */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Cart specific styles */
.cart-item {
    transition: all 0.3s ease;
}

.cart-item:hover {
    background-color: #f9fafb;
}

.quantity-input {
    -moz-appearance: textfield;
}

.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Button hover effects */
.btn-primary {
    @apply bg-blue-600 text-white px-4 py-2 rounded-md font-medium hover:bg-blue-700 transition-colors;
}

.btn-secondary {
    @apply bg-gray-200 text-gray-800 px-4 py-2 rounded-md font-medium hover:bg-gray-300 transition-colors;
}

.btn-success {
    @apply bg-green-600 text-white px-4 py-2 rounded-md font-medium hover:bg-green-700 transition-colors;
}

.btn-danger {
    @apply bg-red-600 text-white px-4 py-2 rounded-md font-medium hover:bg-red-700 transition-colors;
}

/* Form styles */
.form-input {
    @apply w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent;
}

.form-label {
    @apply block text-sm font-medium text-gray-700 mb-2;
}

.form-error {
    @apply text-red-600 text-sm mt-1;
}

/* Product card styles */
.product-card {
    @apply bg-white rounded-lg shadow-md overflow-hidden hover:shadow-lg transition-shadow;
}

.product-card img {
    @apply w-full h-48 object-cover;
}

.product-card .product-info {
    @apply p-4;
}

.product-card .product-title {
    @apply text-lg font-semibold text-gray-900 mb-2;
}

.product-card .product-price {
    @apply text-xl font-bold text-green-600;
}

/* Responsive utilities */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cart-item .quantity-controls {
        margin-top: 1rem;
        width: 100%;
        justify-content: space-between;
    }
}

/* Error page styles */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f9fafb;
}

.error-content {
    text-align: center;
    max-width: 500px;
    padding: 2rem;
}

.error-icon {
    width: 6rem;
    height: 6rem;
    margin: 0 auto 2rem;
    color: #ef4444;
}

/* Database error specific styles */
.database-error {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.database-error .error-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Utility classes */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for better accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid currentColor;
    }
    
    .product-card {
        border: 2px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}