/**
 * Findly AJAX Search - Styles
 * Full mobile optimization with touch-friendly UI
 * 
 * Features:
 * - Responsive design for all screen sizes
 * - Full-screen overlay on mobile
 * - Touch-optimized tap targets
 * - Smooth animations and transitions
 * - Swipe gestures support (via JS)
 * - Safe area support for notched devices
 * - Reduced motion support
 */

/* ============================================
   CSS Custom Properties (Theme Variables)
   ============================================ */
:root {
    /* Colors */
    --wcas-primary: #0073aa;
    --wcas-primary-hover: #005a87;
    --wcas-text: #333;
    --wcas-text-light: #666;
    --wcas-text-muted: #888;
    --wcas-bg: #fff;
    --wcas-bg-secondary: #fafafa;
    --wcas-bg-hover: #f5f5f5;
    --wcas-bg-selected: #f0f7fc;
    --wcas-border: #ddd;
    --wcas-border-light: #eee;
    --wcas-success: #46b450;
    --wcas-error: #dc3232;
    --wcas-shadow: rgba(0, 0, 0, 0.15);
    --wcas-shadow-heavy: rgba(0, 0, 0, 0.25);
    --wcas-overlay: rgba(0, 0, 0, 0.5);

    /* Spacing */
    --wcas-spacing-xs: 5px;
    --wcas-spacing-sm: 10px;
    --wcas-spacing-md: 15px;
    --wcas-spacing-lg: 20px;
    --wcas-spacing-xl: 30px;

    /* Border Radius */
    --wcas-radius-sm: 4px;
    --wcas-radius-md: 8px;
    --wcas-radius-lg: 12px;
    --wcas-radius-full: 50px;

    /* Transitions */
    --wcas-transition-fast: 0.1s ease;
    --wcas-transition-normal: 0.1s ease;
    --wcas-transition-slow: 0.1s ease;

    /* Touch targets (minimum 44px for accessibility) */
    --wcas-touch-target: 44px;

    /* Z-index layers */
    --wcas-z-dropdown: 9999;
    --wcas-z-overlay: 99999;
    --wcas-z-modal: 999999;
}

/* Dark mode support */
/* @media (prefers-color-scheme: dark) {
    :root {
        --wcas-text: #e0e0e0;
        --wcas-text-light: #b0b0b0;
        --wcas-text-muted: #888;
        --wcas-bg: #1a1a1a;
        --wcas-bg-secondary: #2a2a2a;
        --wcas-bg-hover: #333;
        --wcas-bg-selected: #2a3f4f;
        --wcas-border: #444;
        --wcas-border-light: #333;
    }
} */

/* ============================================
   Base Wrapper
   ============================================ */
.wcas-wrapper {
    position: relative;
    width: 100%;
    max-width: 90%;
    font-size: 14px;
    line-height: 1.4;
    box-sizing: border-box;
}

.wcas-wrapper *,
.wcas-wrapper *::before,
.wcas-wrapper *::after {
    box-sizing: border-box;
}

/* ============================================
   Search Box
   ============================================ */
.wcas-search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--wcas-bg);
    border: 1px solid var(--wcas-border);
    border-radius: var(--wcas-radius-md);
    padding: 0 var(--wcas-spacing-md);
    transition: border-color var(--wcas-transition-normal),
        box-shadow var(--wcas-transition-normal);
    min-height: var(--wcas-touch-target);
}

.wcas-search-box:focus-within {
    border-color: var(--wcas-primary);
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.15);
}

.wcas-search-icon {
    color: var(--wcas-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.wcas-search-icon svg {
    width: 20px;
    height: 20px;
}

.wcas-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px var(--wcas-spacing-sm);
    font-size: 16px;
    /* Prevents zoom on iOS */
    background: transparent;
    width: 100%;
    color: var(--wcas-text);
    -webkit-appearance: none;
    appearance: none;
}

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

/* Search action buttons */
.wcas-spinner,
.wcas-clear {
    display: none;
    align-items: center;
    justify-content: center;
    width: var(--wcas-touch-target);
    height: var(--wcas-touch-target);
    margin-right: calc(var(--wcas-spacing-md) * -1);
    flex-shrink: 0;
}

.wcas-spinner {
    color: var(--wcas-text-light);
    pointer-events: none;
}

.wcas-spinner svg {
    animation: wcas-spin 1s linear infinite;
}

.wcas-spinner.active {
    display: flex;
}

.wcas-clear {
    cursor: pointer;
    color: var(--wcas-text-muted);
    transition: color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.wcas-clear:hover,
.wcas-clear:active {
    color: var(--wcas-text);
}

.wcas-clear.active {
    display: flex;
}

@keyframes wcas-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .wcas-spinner svg {
        animation: none;
    }

    .wcas-wrapper * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ============================================
   Results Wrapper - Desktop
   ============================================ */
.wcas-results-wrapper {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: var(--wcas-z-dropdown);
    margin-top: var(--wcas-spacing-xs);
    background: var(--wcas-bg);
    border: 1px solid var(--wcas-border);
    border-radius: var(--wcas-radius-md);
    box-shadow: 0 4px 20px var(--wcas-shadow);
    display: none;
    overflow: hidden;
    transform: translateY(-10px);
    opacity: 0;
    transition: transform var(--wcas-transition-slow),
        opacity var(--wcas-transition-slow);
}

.wcas-results-wrapper.active {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

/* Results Container - Two Column Layout */
.wcas-results-container {
    display: flex;
    max-height: 500px;
}

.wcas-results-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid var(--wcas-border-light);
    min-width: 280px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.wcas-preview-panel {
    width: 320px;
    background: var(--wcas-bg-secondary);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

/* ============================================
   Section Headers
   ============================================ */
.wcas-section {
    border-bottom: 1px solid var(--wcas-border-light);
}

.wcas-section:last-of-type {
    border-bottom: none;
}

.wcas-section-header {
    position: sticky;
    top: 0;
    padding: var(--wcas-spacing-sm) var(--wcas-spacing-md);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--wcas-text-light);
    background: var(--wcas-bg-secondary);
    z-index: 1;
}

.wcas-section-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ============================================
   Term Items (Categories, Tags, Taxonomies)
   ============================================ */
.wcas-term-item {
    margin: 0;
    padding: 0;
}

.wcas-term-item a {
    display: flex;
    align-items: center;
    min-height: var(--wcas-touch-target);
    padding: var(--wcas-spacing-sm) var(--wcas-spacing-md);
    color: var(--wcas-text);
    text-decoration: none;
    transition: background-color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.wcas-term-item a:hover,
.wcas-term-item a:active,
.wcas-term-item.selected a {
    background-color: var(--wcas-bg-selected);
}

.wcas-term-name {
    flex: 1;
}

.wcas-term-name strong {
    font-weight: 700;
    color: var(--wcas-primary);
}

.wcas-term-count {
    font-size: 12px;
    color: var(--wcas-text-muted);
    margin-left: var(--wcas-spacing-sm);
}

/* ============================================
   Product Items
   ============================================ */
.wcas-product-item {
    margin: 0;
    padding: 0;
}

.wcas-product-item a {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: var(--wcas-spacing-md);
    color: var(--wcas-text);
    text-decoration: none;
    transition: background-color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: 80px;
}

.wcas-product-item:hover a,
.wcas-product-item.selected a,
.wcas-product-item:active a {
    background-color: var(--wcas-bg-selected);
}

.wcas-product-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--wcas-radius-sm);
    overflow: hidden;
    background: var(--wcas-bg-hover);
}

.wcas-product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--wcas-transition-normal);
}

.wcas-product-item:hover .wcas-product-thumb img {
    transform: scale(1.05);
}

.wcas-product-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.wcas-product-name {
    font-weight: 500;
    color: var(--wcas-text);
    display: block;
    line-height: 1.3;
}

.wcas-product-name strong {
    font-weight: 700;
    color: var(--wcas-primary);
}

.wcas-product-sku {
    font-size: 12px;
    color: var(--wcas-text-muted);
}

.wcas-matched-field {
    font-size: 12px;
    color: var(--wcas-text-light);
    font-style: italic;
}

.wcas-matched-field strong {
    font-weight: 600;
    color: var(--wcas-primary);
}

.wcas-product-desc {
    font-size: 13px;
    color: var(--wcas-text-light);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wcas-product-price {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--wcas-text);
    text-align: right;
    white-space: nowrap;
}

.wcas-product-price del {
    color: var(--wcas-text-muted);
    font-weight: 400;
    font-size: 0.9em;
}

.wcas-product-price ins {
    text-decoration: none;
    color: var(--wcas-error);
}

/* ============================================
   Preview Panel
   ============================================ */
.wcas-preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    color: var(--wcas-text-muted);
    font-size: 14px;
    text-align: center;
    padding: var(--wcas-spacing-lg);
}

.wcas-preview-content {
    padding: var(--wcas-spacing-lg);
    animation: wcas-fade-in var(--wcas-transition-normal);
}

@keyframes wcas-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.wcas-preview-image {
    text-align: center;
    margin-bottom: var(--wcas-spacing-md);
}

.wcas-preview-image img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--wcas-radius-md);
    object-fit: contain;
}

.wcas-preview-title {
    margin: 0 0 var(--wcas-spacing-xs) 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--wcas-text);
    line-height: 1.3;
}

.wcas-preview-sku {
    font-size: 13px;
    color: var(--wcas-text-muted);
    margin-bottom: var(--wcas-spacing-sm);
}

.wcas-preview-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--wcas-text);
    margin-bottom: var(--wcas-spacing-md);
}

.wcas-preview-price del {
    color: var(--wcas-text-muted);
    font-weight: 400;
    font-size: 16px;
}

.wcas-preview-price ins {
    text-decoration: none;
    color: var(--wcas-error);
}

.wcas-preview-description {
    font-size: 14px;
    color: var(--wcas-text-light);
    line-height: 1.6;
    margin-bottom: var(--wcas-spacing-md);
}

.wcas-preview-stock {
    margin-bottom: var(--wcas-spacing-md);
    font-size: 14px;
}

.wcas-in-stock {
    color: var(--wcas-success);
    font-weight: 500;
}

.wcas-in-stock::before {
    content: "✓ ";
}

.wcas-out-of-stock {
    color: var(--wcas-error);
    font-weight: 500;
}

.wcas-out-of-stock::before {
    content: "✕ ";
}

/* ============================================
   Add to Cart Controls
   ============================================ */
.wcas-preview-cart {
    display: flex;
    gap: var(--wcas-spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.wcas-qty-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--wcas-border);
    border-radius: var(--wcas-radius-sm);
    overflow: hidden;
    background: var(--wcas-bg);
}

.wcas-qty-btn {
    width: var(--wcas-touch-target);
    height: var(--wcas-touch-target);
    border: none;
    background: var(--wcas-bg-hover);
    cursor: pointer;
    font-size: 18px;
    font-weight: 500;
    color: var(--wcas-text);
    transition: background-color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wcas-qty-btn:hover,
.wcas-qty-btn:active {
    background: var(--wcas-border);
}

.wcas-qty-input {
    width: 50px;
    height: var(--wcas-touch-target);
    border: none;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: var(--wcas-text);
    background: var(--wcas-bg);
    -moz-appearance: textfield;
}

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

.wcas-add-to-cart,
.wcas-view-product {
    flex: 1;
    min-width: 140px;
    padding: 12px var(--wcas-spacing-md);
    background: var(--wcas-primary);
    color: #fff !important;
    border: none;
    border-radius: var(--wcas-radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color var(--wcas-transition-normal),
        transform var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: var(--wcas-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
}

.wcas-add-to-cart:hover,
.wcas-view-product:hover {
    background: var(--wcas-primary-hover);
}

.wcas-add-to-cart:active,
.wcas-view-product:active {
    transform: scale(0.98);
}

.wcas-add-to-cart.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.wcas-add-to-cart.loading::after {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: #fff;
    border-radius: 50%;
    animation: wcas-spin 0.8s linear infinite;
    margin-left: var(--wcas-spacing-sm);
}

.wcas-add-to-cart.added {
    background: var(--wcas-success);
}

.wcas-add-to-cart.added::after {
    content: "✓";
    margin-left: var(--wcas-spacing-xs);
    animation: none;
    border: none;
    width: auto;
    height: auto;
}

/* ============================================
   See All Results Link
   ============================================ */
.wcas-see-all {
    padding: var(--wcas-spacing-md);
    text-align: center;
    background: var(--wcas-bg-secondary);
    border-top: 1px solid var(--wcas-border-light);
}

.wcas-see-all a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--wcas-touch-target);
    padding: var(--wcas-spacing-sm) var(--wcas-spacing-lg);
    color: var(--wcas-primary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--wcas-radius-sm);
    transition: background-color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.wcas-see-all a:hover,
.wcas-see-all a:active,
.wcas-see-all.selected a {
    background-color: var(--wcas-bg-selected);
}

.wcas-see-all a::after {
    content: "→";
    margin-left: var(--wcas-spacing-xs);
    transition: transform var(--wcas-transition-fast);
}

.wcas-see-all a:hover::after {
    transform: translateX(3px);
}

/* ============================================
   No Results / Rate Limited States
   ============================================ */
.wcas-no-results {
    padding: var(--wcas-spacing-lg) var(--wcas-spacing-lg);
    text-align: center;
    color: var(--wcas-text-light);
}

.wcas-no-results::before {
    content: "🔍";
    display: block;
    font-size: 32px;
    margin-bottom: var(--wcas-spacing-sm);
    opacity: 0.5;
}

.wcas-rate-limited {
    color: var(--wcas-error);
}

.wcas-rate-limited::before {
    content: "⏱️";
}

/* ============================================
   Search History
   ============================================ */
.wcas-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wcas-history-clear {
    background: none;
    border: none;
    color: var(--wcas-primary);
    font-size: 11px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--wcas-radius-sm);
    transition: background-color var(--wcas-transition-fast);
}

.wcas-history-clear:hover {
    background-color: var(--wcas-bg-hover);
}

.wcas-history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: var(--wcas-spacing-sm) var(--wcas-spacing-md);
    min-height: var(--wcas-touch-target);
    transition: background-color var(--wcas-transition-fast);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.wcas-history-item:hover,
.wcas-history-item.selected {
    background-color: var(--wcas-bg-selected);
}

.wcas-history-icon {
    color: var(--wcas-text-muted);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.wcas-history-term {
    flex: 1;
    color: var(--wcas-text);
    font-size: 14px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wcas-history-remove {
    background: none;
    border: none;
    color: var(--wcas-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    transition: background-color var(--wcas-transition-fast), color var(--wcas-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.wcas-history-remove:hover {
    background-color: var(--wcas-bg-hover);
    color: var(--wcas-error);
}

/* ============================================
   No Results Suggestions
   ============================================ */
.wcas-section-suggestions {
    border-top: 1px solid var(--wcas-border-light);
}

.wcas-suggestion-item a {
    min-height: 60px;
}

/* ============================================
   Mobile Icon-Only Trigger
   ============================================ */
.wcas-mobile-trigger {
    display: none;
}

.wcas-mobile-overlay {
    display: none;
}

.wcas-mobile-close {
    display: none;
}

/* ============================================
   Mobile Styles
   ============================================ */
@media (max-width: 768px) {

    /* Search wrapper fills available width on mobile */
    .wcas-wrapper {
        max-width: none;
        width: 100%;
    }

    .wcas-search-box {
        padding: 0 var(--wcas-spacing-sm);
        min-height: 48px;
    }

    .wcas-search-input {
        padding: 10px var(--wcas-spacing-sm);
    }

    /* Results dropdown — single-column, no preview panel */
    .wcas-results-container {
        flex-direction: column;
        max-height: 60vh;
    }

    .wcas-results-list {
        min-width: auto;
        border-right: none;
    }

    .wcas-preview-panel {
        display: none;
    }

    /* Product items — tighter layout */
    .wcas-product-item a {
        gap: 10px;
        padding: var(--wcas-spacing-sm) var(--wcas-spacing-md);
        min-height: 64px;
    }

    .wcas-product-thumb {
        width: 48px;
        height: 48px;
    }

    .wcas-product-name {
        font-size: 14px;
    }

    .wcas-product-desc {
        -webkit-line-clamp: 1;
        font-size: 12px;
    }

    .wcas-product-price {
        font-size: 14px;
    }

    .wcas-section-header {
        font-size: 10px;
        padding: var(--wcas-spacing-xs) var(--wcas-spacing-md);
    }

    .wcas-see-all a {
        width: 100%;
        padding: var(--wcas-spacing-md);
    }

    .wcas-no-results {
        padding: var(--wcas-spacing-md);
    }

    .wcas-no-results::before {
        font-size: 24px;
    }

}

/* ============================================
   Tablet Adjustments
   ============================================ */
@media (min-width: 769px) and (max-width: 1024px) {
    .wcas-wrapper {
        max-width: 100%;
    }

    .wcas-results-container {
        max-height: 450px;
    }

    .wcas-preview-panel {
        width: 260px;
    }

    .wcas-results-list {
        min-width: 240px;
    }

    .wcas-preview-image img {
        max-height: 160px;
    }

    .wcas-preview-title {
        font-size: 16px;
    }

    .wcas-preview-price {
        font-size: 18px;
    }
}

/* Narrow tablets — hide preview, single-column results */
@media (min-width: 769px) and (max-width: 860px) {
    .wcas-preview-panel {
        display: none;
    }

    .wcas-results-list {
        border-right: none;
    }
}

/* ============================================
   Small Mobile (< 375px)
   ============================================ */
@media (max-width: 374px) {
    .wcas-search-box {
        padding: 0 var(--wcas-spacing-xs);
    }

    .wcas-search-input {
        font-size: 15px;
        padding: 8px var(--wcas-spacing-xs);
    }

    .wcas-product-item a {
        gap: 8px;
        padding: var(--wcas-spacing-xs) var(--wcas-spacing-sm);
    }

    .wcas-product-thumb {
        width: 40px;
        height: 40px;
    }

    .wcas-product-name {
        font-size: 13px;
    }

    .wcas-product-desc {
        display: none;
    }

    .wcas-product-sku,
    .wcas-matched-field {
        font-size: 11px;
    }

    .wcas-product-price {
        font-size: 13px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .wcas-wrapper {
        display: none;
    }
}

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --wcas-border: #000;
        --wcas-text: #000;
        --wcas-bg: #fff;
    }

    .wcas-search-box:focus-within {
        box-shadow: 0 0 0 3px #000;
    }

    .wcas-product-item.selected a,
    .wcas-product-item:hover a {
        outline: 2px solid #000;
    }
}