/**
 * Enhanced Smart Search Styles
 * Modern Google-like search interface with multi-section results
 * Optimized for accessibility and mobile responsiveness
 */

/* Design System Variables */
:root {
    --search-primary-color: #0078d4;
    --search-secondary-color: #50e6ff;
    --search-background: #ffffff;
    --search-surface: #f8f9fa;
    --search-border: #e5e7eb;
    --search-text-primary: #1f2937;
    --search-text-secondary: #6b7280;
    --search-text-muted: #9ca3af;
    --search-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --search-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --search-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --search-radius-sm: 0.375rem;
    --search-radius-md: 0.5rem;
    --search-radius-lg: 0.75rem;
    --search-transition: all 0.2s ease-in-out;
    --search-z-dropdown: 1000;
    --search-z-overlay: 1001;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --search-background: #1f2937;
        --search-surface: #374151;
        --search-border: #4b5563;
        --search-text-primary: #f9fafb;
        --search-text-secondary: #d1d5db;
        --search-text-muted: #9ca3af;
    }
}

/* Search Container */
.search-container {
    position: relative;
    width: 100%;
    max-width: 600px;
}

/* Search Input */
.search-input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--search-text-primary);
    background-color: var(--search-background);
    border: 2px solid var(--search-border);
    border-radius: var(--search-radius-md);
    outline: none;
    transition: var(--search-transition);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.search-input:focus {
    border-color: var(--search-primary-color);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.search-input::placeholder {
    color: var(--search-text-muted);
}

/* Search Button */
.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--search-text-secondary);
    cursor: pointer;
    border-radius: var(--search-radius-sm);
    transition: var(--search-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    color: var(--search-primary-color);
    background-color: var(--search-surface);
}

.search-btn:focus {
    outline: 2px solid var(--search-primary-color);
    outline-offset: 2px;
}

/* Results Container */
.search-results-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.5rem;
    background-color: var(--search-background);
    border: 1px solid var(--search-border);
    border-radius: var(--search-radius-lg);
    box-shadow: var(--search-shadow-lg);
    max-height: 70vh;
    overflow-y: auto;
    z-index: var(--search-z-dropdown);
    opacity: 0;
    transform: translateY(-10px);
    animation: searchResultsEnter 0.2s ease-out forwards;
}

@keyframes searchResultsEnter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Search Sections */
.search-sections {
    padding: 0.5rem 0;
}

.search-section {
    margin-bottom: 0.5rem;
}

.search-section:last-child {
    margin-bottom: 0;
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem 0.5rem;
    border-bottom: 1px solid var(--search-border);
    margin-bottom: 0.5rem;
}

.section-header i {
    color: var(--search-primary-color);
    font-size: 0.875rem;
}

.section-title {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--search-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Items */
.section-items {
    padding: 0 0.5rem;
}

/* Search Result Items */
.search-result-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: var(--search-radius-md);
    cursor: pointer;
    transition: var(--search-transition);
    border: 1px solid transparent;
}

.search-result-item:hover,
.search-result-item.selected {
    background-color: var(--search-surface);
    border-color: var(--search-primary-color);
}

.search-result-item:focus {
    outline: 2px solid var(--search-primary-color);
    outline-offset: 2px;
}

/* Product Items */
.search-result-product {
    padding: 1rem 0.75rem;
}

.item-image {
    width: 48px;
    height: 48px;
    border-radius: var(--search-radius-sm);
    overflow: hidden;
    background-color: var(--search-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-content {
    flex: 1;
    min-width: 0;
}

.item-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--search-text-primary);
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-description {
    font-size: 0.75rem;
    color: var(--search-text-secondary);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.item-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.item-price {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--search-primary-color);
}

.item-category {
    font-size: 0.75rem;
    color: var(--search-text-muted);
    background-color: var(--search-surface);
    padding: 0.125rem 0.5rem;
    border-radius: var(--search-radius-sm);
}

.item-badge {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.125rem 0.375rem;
    border-radius: var(--search-radius-sm);
    background-color: var(--search-secondary-color);
    color: var(--search-text-primary);
}

/* Category Items */
.search-result-category .item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--search-radius-sm);
    background-color: var(--search-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--search-primary-color);
    flex-shrink: 0;
}

.search-result-category .item-title {
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
}

.search-result-category .item-description {
    font-size: 0.75rem;
    margin-bottom: 0;
}

/* Suggestion Items */
.search-result-suggestion,
.search-result-popular {
    padding: 0.5rem 0.75rem;
}

.search-result-suggestion .item-content,
.search-result-popular .item-content {
    flex: 1;
}

.search-result-suggestion .item-title,
.search-result-popular .item-title {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.item-action {
    color: var(--search-text-muted);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* Highlight matching text */
mark {
    background-color: rgba(0, 120, 212, 0.15);
    color: var(--search-primary-color);
    font-weight: 600;
    padding: 0;
}

/* Loading State */
.search-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--search-text-secondary);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--search-border);
    border-top-color: var(--search-primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error State */
.search-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem;
    color: #dc2626;
    text-align: center;
}

.search-error i {
    font-size: 1.25rem;
}

/* Empty State */
.search-no-results {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--search-text-secondary);
}

.search-no-results i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--search-text-muted);
}

.search-no-results h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--search-text-primary);
}

.search-no-results p {
    margin: 0;
    font-size: 0.875rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .search-results-container {
        max-height: 60vh;
        margin-top: 0.25rem;
        border-radius: var(--search-radius-md);
        box-shadow: var(--search-shadow-md);
    }

    .search-result-item {
        padding: 1rem 0.75rem;
    }

    .search-result-product {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem;
    }

    .item-image {
        width: 60px;
        height: 60px;
        align-self: center;
    }

    .item-meta {
        justify-content: space-between;
        width: 100%;
    }

    .section-header {
        padding: 0.5rem 0.75rem 0.25rem;
    }
}

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .search-result-item {
        min-height: 44px;
        padding: 0.875rem;
    }

    .search-btn {
        min-width: 44px;
        min-height: 44px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .search-input {
        border-width: 2px;
    }

    .search-result-item:hover,
    .search-result-item.selected {
        border-width: 2px;
    }

    mark {
        background-color: yellow;
        color: black;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .search-results-container {
        animation: none;
    }

    .search-input,
    .search-btn,
    .search-result-item {
        transition: none;
    }

    .loading-spinner {
        animation: none;
        border-top-color: var(--search-border);
    }
}

/* Focus management for keyboard navigation */
.search-result-item:focus-visible {
    outline: 2px solid var(--search-primary-color);
    outline-offset: 2px;
}

/* Scrollbar styling */
.search-results-container::-webkit-scrollbar {
    width: 6px;
}

.search-results-container::-webkit-scrollbar-track {
    background: var(--search-surface);
}

.search-results-container::-webkit-scrollbar-thumb {
    background: var(--search-border);
    border-radius: 3px;
}

.search-results-container::-webkit-scrollbar-thumb:hover {
    background: var(--search-text-muted);
}

/* Integration with existing catalog styles */
.catalog-search-container .search-container {
    max-width: 100%;
}

.catalog-search-container .search-input {
    font-size: 0.875rem;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem;
}

.catalog-search-container .search-btn {
    right: 0.375rem;
    padding: 0.375rem;
}

/* Header search specific styles */
.header-search-container .search-results-container {
    right: 0;
    left: auto;
    min-width: 400px;
}

@media (max-width: 768px) {
    .header-search-container .search-results-container {
        left: 0;
        right: 0;
        min-width: auto;
    }
}

/* Animation for result items */
.search-result-item {
    transform: translateY(0);
    opacity: 1;
}

.search-sections .search-section:nth-child(1) .search-result-item {
    animation: slideInUp 0.3s ease-out;
}

.search-sections .search-section:nth-child(2) .search-result-item {
    animation: slideInUp 0.3s ease-out 0.1s both;
}

.search-sections .search-section:nth-child(3) .search-result-item {
    animation: slideInUp 0.3s ease-out 0.2s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ensure proper z-index stacking */
.search-container {
    z-index: var(--search-z-dropdown);
}

.search-results-container {
    z-index: calc(var(--search-z-dropdown) + 1);
}