/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Desktop Search Styles */
.desktop-search {
    display: none;
    padding: 20px 0;
    position: relative;
}

.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
    outline: none;
}

.search-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-input::placeholder {
    color: #94a3b8;
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    font-size: 18px;
    pointer-events: none;
}

.clear-btn {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #64748b;
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.clear-btn:hover {
    background: #f1f5f9;
    color: #ef4444;
}

/* Mobile Header */
.mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    color: #1e293b;
    font-size: 24px;
    font-weight: 700;
}

.mobile-search-toggle {
    background: #3b82f6;
    border: none;
    padding: 12px;
    border-radius: 10px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-search-toggle:hover {
    background: #2563eb;
    transform: scale(1.05);
}

/* Mobile Search */
.mobile-search {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    z-index: 2000;
    padding: 20px;
    transform: translateY(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-search.active {
    transform: translateY(0);
}

.mobile-search .search-container {
    margin-bottom: 20px;
}

.close-search {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 20px;
    color: #64748b;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.close-search:hover {
    background: #f1f5f9;
    color: #ef4444;
}

/* Search Results */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.search-results.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-result-item:hover {
    background: #f8fafc;
}

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

.search-result-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 15px;
}

.search-result-info {
    flex: 1;
}

.search-result-title {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.search-result-price {
    color: #3b82f6;
    font-weight: 700;
    font-size: 16px;
}

.search-result-category {
    color: #64748b;
    font-size: 14px;
}

/* Main Content */
.main-content {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

/* Search States */
.search-state {
    text-align: center;
    padding: 60px 20px;
}

.search-state-icon {
    font-size: 64px;
    color: #cbd5e1;
    margin-bottom: 20px;
}

.search-state h2 {
    font-size: 28px;
    color: #1e293b;
    margin-bottom: 10px;
}

.search-state p {
    color: #64748b;
    font-size: 16px;
}

/* Loading Animations */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

.spinner-large {
    width: 60px;
    height: 60px;
    border: 6px solid #e2e8f0;
    border-top: 6px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    padding: 20px 0;
}

.product-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-category {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-price {
    font-size: 22px;
    font-weight: 700;
    color: #059669;
    margin-bottom: 15px;
}

.product-description {
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 15px;
}

.rating-stars {
    color: #fbbf24;
}

.rating-count {
    color: #64748b;
    font-size: 14px;
}

.add-to-cart-btn {
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.add-to-cart-btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (min-width: 768px) {
    .desktop-search {
        display: block;
    }
    
    .mobile-header {
        display: none;
    }
    
    .mobile-search {
        display: none;
    }
}

@media (max-width: 767px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .mobile-search .search-results {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        max-height: none;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .search-state {
        padding: 40px 15px;
    }
    
    .search-state-icon {
        font-size: 48px;
    }
    
    .search-state h2 {
        font-size: 24px;
    }
}

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

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Search Highlight */
.search-highlight {
    background: #fef3c7;
    color: #92400e;
    padding: 2px 4px;
    border-radius: 4px;
    font-weight: 600;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #64748b;
}

.empty-state i {
    font-size: 72px;
    margin-bottom: 20px;
    opacity: 0.5;
}

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