/* AI Recommendations and Social Sharing Features CSS */

/* AI Recommendations Styles */
.recommendations-section {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.recommendations-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.recommendations-header h3 {
    margin: 0;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.recommendations-header h3 i {
    color: #667eea;
}

.recommendations-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e1e8ed;
}

.recommendations-tab {
    padding: 10px 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    position: relative;
}

.recommendations-tab.active {
    color: #667eea;
}

.recommendations-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: #667eea;
}

.recommendations-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.recommendation-item {
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.recommendation-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.recommendation-image {
    width: 100%;
    height: 120px;
    overflow: hidden;
}

.recommendation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.recommendation-item:hover .recommendation-image img {
    transform: scale(1.05);
}

.recommendation-info {
    padding: 15px;
}

.recommendation-info h4 {
    margin: 0 0 8px 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.recommendation-info p {
    margin: 0 0 10px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

.recommendation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.rating {
    color: #f39c12;
    display: flex;
    align-items: center;
    gap: 3px;
}

.category {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
}

.no-recommendations {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.no-recommendations i {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
    color: #ddd;
}

/* Preference Modal Styles */
.preference-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.preference-modal-content {
    background: white;
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.preference-modal-content h3 {
    margin: 0 0 20px 0;
    color: #333;
    text-align: center;
}

.category-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.checkbox-label:hover {
    background: #f8f9fa;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Social Sharing Styles */
.social-sharing {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.social-sharing h4 {
    margin: 0 0 15px 0;
    color: #333;
    text-align: center;
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    font-size: 18px;
    position: relative;
    overflow: hidden;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.share-btn.facebook {
    background: linear-gradient(135deg, #1877f2, #0e5fe4);
}

.share-btn.twitter {
    background: linear-gradient(135deg, #1da1f2, #0c85d0);
}

.share-btn.instagram {
    background: linear-gradient(135deg, #e4405f, #c13584);
}

.share-btn.whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.share-btn.telegram {
    background: linear-gradient(135deg, #0088cc, #006699);
}

.share-btn.email {
    background: linear-gradient(135deg, #ea4335, #d33b2c);
}

.share-btn.qrcode {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.share-btn.copy {
    background: linear-gradient(135deg, #6c757d, #5a6268);
}

.share-btn span {
    display: none;
}

/* Share Modal Styles */
.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.share-modal-content {
    background: white;
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
}

.share-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e1e8ed;
}

.share-modal-header h3 {
    margin: 0;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #999;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #f8f9fa;
    color: #333;
}

.share-modal-body {
    padding: 20px;
}

.share-preview {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 12px;
}

.share-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.share-preview-text h4 {
    margin: 0 0 8px 0;
    color: #333;
    font-size: 16px;
}

.share-preview-text p {
    margin: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

.share-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.share-buttons-grid .share-btn {
    width: auto;
    height: auto;
    padding: 12px;
    border-radius: 12px;
    flex-direction: column;
    gap: 5px;
}

.share-buttons-grid .share-btn span {
    display: block;
    font-size: 12px;
    font-weight: 500;
}

.share-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* QR Code Modal Styles */
.qr-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.qr-modal-content {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    max-width: 300px;
    width: 90%;
}

.qr-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.qr-modal-header h3 {
    margin: 0;
    color: #333;
}

.qr-modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.qr-modal-body p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* Floating Share Button */
.floating-share-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(100px);
    z-index: 1000;
}

.floating-share-btn.visible {
    opacity: 1;
    transform: translateY(0);
}

.floating-share-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

/* Social Notifications */
.social-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 10px;
    padding: 15px 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.social-notification-success {
    border-left: 4px solid #27ae60;
    color: #27ae60;
}

.social-notification-error {
    border-left: 4px solid #e74c3c;
    color: #e74c3c;
}

.social-notification-info {
    border-left: 4px solid #3498db;
    color: #3498db;
}

/* Responsive Design */
@media (max-width: 768px) {
    .recommendations-container {
        grid-template-columns: 1fr;
    }
    
    .share-buttons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .share-preview {
        flex-direction: column;
        text-align: center;
    }
    
    .share-preview img {
        margin: 0 auto;
    }
    
    .floating-share-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .preference-modal-content {
        padding: 20px;
    }
    
    .category-checkboxes {
        grid-template-columns: 1fr;
    }
    
    .social-notification {
        right: 10px;
        left: 10px;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .share-buttons {
        justify-content: center;
    }
    
    .share-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .share-buttons-grid .share-btn {
        padding: 10px;
    }
    
    .share-buttons-grid .share-btn span {
        font-size: 11px;
    }
    
    .recommendations-tabs {
        flex-wrap: wrap;
    }
    
    .recommendations-tab {
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* Dark Mode Support */
body.dark-mode .recommendations-section,
body.dark-mode .social-sharing,
body.dark-mode .preference-modal-content,
body.dark-mode .share-modal-content,
body.dark-mode .qr-modal-content {
    background: #2d3748;
    color: white;
}

body.dark-mode .recommendations-header h3,
body.dark-mode .social-sharing h4,
body.dark-mode .preference-modal-content h3,
body.dark-mode .share-modal-header h3,
body.dark-mode .qr-modal-header h3 {
    color: white;
}

body.dark-mode .recommendation-item,
body.dark-mode .share-preview {
    background: #4a5568;
}

body.dark-mode .recommendation-info h4,
body.dark-mode .share-preview-text h4 {
    color: white;
}

body.dark-mode .recommendation-info p,
body.dark-mode .share-preview-text p,
body.dark-mode .qr-modal-body p {
    color: #cbd5e0;
}

body.dark-mode .recommendations-tab {
    color: #cbd5e0;
}

body.dark-mode .recommendations-tab.active {
    color: #667eea;
}

body.dark-mode .checkbox-label:hover {
    background: #4a5568;
}

body.dark-mode .social-notification {
    background: #2d3748;
    color: white;
}

body.dark-mode .share-modal-header {
    border-bottom-color: #4a5568;
}

/* Loading States */
.recommendations-loading {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.recommendations-loading i {
    font-size: 24px;
    margin-bottom: 10px;
    display: block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Accessibility */
.share-btn:focus,
.recommendation-item:focus,
.recommendations-tab:focus,
.floating-share-btn:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .social-sharing,
    .floating-share-btn,
    .recommendations-section {
        display: none;
    }
}