/* Advanced Search Library Demo Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 2.5rem;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    width: 100%;
}

.content-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-top: 20px;
}

/* Search Section */
.search-section {
    background: white;
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.search-container {
    position: relative;
    margin-bottom: 25px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 20px;
    color: #666;
    font-size: 1.2rem;
    z-index: 2;
}

.search-input, #searchInput {
    width: 100%;
    padding: 18px 60px 18px 55px;
    border: 2px solid #e1e5e9;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    outline: none;
}

.search-input:focus, #searchInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-button {
    position: absolute;
    right: 15px;
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-button:hover {
    background: #5a6fd8;
    transform: scale(1.05);
}

.clear-btn {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #999;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.clear-btn:hover {
    background: #f1f3f4;
    color: #666;
}

/* Autocomplete */
.autocomplete-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e1e5e9;
    border-radius: 15px;
    margin-top: 5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 1000;
    display: none;
    max-height: 200px;
    overflow-y: auto;
}

.autocomplete-item {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f1f3f4;
    transition: background 0.2s ease;
}

.autocomplete-item:hover {
    background: #f8f9fa;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

/* Suggestions (legacy) */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e1e5e9;
    border-radius: 15px;
    margin-top: 5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f1f3f4;
    transition: background 0.2s ease;
}

.suggestion-item:hover {
    background: #f8f9fa;
}

.suggestion-item:last-child {
    border-bottom: none;
}

/* Search Tips */
.search-tips {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.tip-label {
    font-weight: 600;
    color: #667eea;
    font-size: 0.9rem;
}

.tip-item {
    background: #f8f9fa;
    color: #667eea;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.tip-item:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Filters Section */
.filters-section {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.filters-container {
    margin-bottom: 25px;
}

.filters-container h3 {
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
}

.filters-container h3 i {
    color: #667eea;
}

.price-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.price-inputs input {
    flex: 1;
}

.price-inputs span {
    color: #666;
    font-weight: 500;
}

.clear-filters-btn {
    width: 100%;
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    margin-top: 15px;
}

.clear-filters-btn:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

/* Filters (legacy) */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-weight: 600;
    color: #555;
    font-size: 0.9rem;
}

.filter-group select,
.filter-group input {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: #667eea;
}

.reset-btn {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    white-space: nowrap;
}

.reset-btn:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

/* Statistics Container */
.stats-container {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    border: 1px solid #e9ecef;
}

.stats-container h3 {
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.stats-container h3 i {
    color: #667eea;
}

.stats-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stats-content div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
    font-size: 0.9rem;
}

.stats-content div:last-child {
    border-bottom: none;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
    font-size: 0.9rem;
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: #666;
    font-weight: 500;
}

.stat-value {
    color: #333;
    font-weight: 600;
}

/* History Container */
.history-container {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.history-container h3 {
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.history-container h3 i {
    color: #667eea;
}

.history-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-content .history-item {
    background: white;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.history-content .history-item:hover {
    background: #667eea;
    color: white;
}

.history-query {
    font-weight: 500;
    flex: 1;
}

.history-time {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-left: 10px;
}

/* Results Section */
.results-section {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    min-height: 400px;
}

.results-container {
    width: 100%;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.results-header h3 {
    color: #333;
    font-size: 1.3rem;
}

.results-count {
    background: #667eea;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.product-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    height: fit-content;
    margin-bottom: 20px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.product-header {
    margin-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 10px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
    line-height: 1.4;
}

.product-category {
    background: #667eea;
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.product-body {
    margin-bottom: 15px;
}

.product-description {
    color: #6c757d;
    margin-bottom: 15px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.product-details {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #555;
    background: white;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.detail-item i {
    color: #667eea;
}

.product-details {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.product-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #555;
    background: white;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #ffc107;
}

.stars {
    color: #ffc107;
    font-size: 1.1rem;
}

.rating-value {
    color: #666;
    font-size: 0.9rem;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.tag {
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-stats {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #e9ecef;
}

.product-stats small {
    color: #999;
    font-size: 0.8rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
    flex-wrap: wrap;
    gap: 10px;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: #28a745;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #ffc107;
}

.relevance-score {
    background: #17a2b8;
    color: white;
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
    background: #f8f9fa;
    border-radius: 15px;
    margin: 20px 0;
}

.no-results h3 {
    font-size: 1.5rem;
    color: #495057;
    margin-bottom: 15px;
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.no-results p {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #6c757d;
}

.suggestion {
    color: #667eea;
    font-weight: 600;
}

/* Info Section */
.info-section {
    margin-bottom: 30px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.info-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card h4 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.info-card h4 i {
    font-size: 1.3rem;
}

.info-card p {
    color: #6c757d;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* History Section */
.history-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.history-section h3 {
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.history-section h3 i {
    color: #667eea;
}

.search-history {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.history-item {
    background: #f8f9fa;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    font-size: 0.9rem;
}

.history-item:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.clear-history-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.clear-history-btn:hover {
    background: #c82333;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: rgba(255,255,255,0.1);
    color: white;
    text-align: center;
    padding: 30px 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header h1, .logo h1 {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .filters-section {
        position: static;
        order: 2;
    }
    
    .results-section {
        order: 1;
    }
    
    .filters {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .search-section,
    .results-section,
    .info-section,
    .history-section,
    .filters-section {
        padding: 20px;
    }
    
    .search-tips {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        padding: 15px;
    }
    
    .product-details {
        flex-direction: column;
        gap: 10px;
    }
    
    .product-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

.product-card {
    animation: fadeIn 0.5s ease forwards;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    font-size: 1.2rem;
    color: #667eea;
}

.loading i {
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

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