/**
 * Visual Product Search - Styles
 * 
 * @package VisualProductSearch
 */

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
    --vps-primary: #c9a961;
    --vps-primary-hover: #b89a52;
    --vps-text: #333333;
    --vps-text-light: #666666;
    --vps-border: #e0e0e0;
    --vps-bg: #ffffff;
    --vps-bg-light: #f8f8f8;
    --vps-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --vps-radius: 8px;
    --vps-transition: 0.3s ease;
}

/* ==========================================================================
   Search Button
   ========================================================================== */
.vps-search-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--vps-text);
    border: none;
    border-radius: var(--vps-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--vps-transition);
}

.vps-search-button:hover {
    color: var(--vps-primary);
}

.vps-search-button:hover .vps-button-icon {
    color: var(--vps-primary);
}

.vps-search-button .vps-button-icon svg {
    display: block;
}

/* Attention animation - sparkle/glow 2x then stop */
.vps-search-button .vps-button-icon {
    animation: vps-attention-sparkle 4s ease-in-out 1;
}

@keyframes vps-attention-sparkle {

    0%,
    100% {
        color: inherit;
        transform: scale(1);
    }

    /* First sparkle */
    10% {
        color: var(--vps-primary);
        transform: scale(1.2);
        filter: drop-shadow(0 0 6px var(--vps-primary));
    }

    20% {
        color: inherit;
        transform: scale(1);
        filter: none;
    }

    /* Second sparkle */
    30% {
        color: var(--vps-primary);
        transform: scale(1.2);
        filter: drop-shadow(0 0 6px var(--vps-primary));
    }

    40% {
        color: inherit;
        transform: scale(1);
        filter: none;
    }
}

/* Icon only variant */
.vps-search-button.vps-icon-only {
    padding: 10px;
}

.vps-search-button.vps-icon-only .vps-button-text {
    display: none;
}

/* ==========================================================================
   Modal
   ========================================================================== */
.vps-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.vps-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.vps-modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--vps-bg);
    border-radius: var(--vps-radius);
    box-shadow: var(--vps-shadow);
    padding: 30px;
    overflow-y: auto;
}

.vps-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--vps-text-light);
    cursor: pointer;
    transition: color var(--vps-transition);
}

.vps-modal-close:hover {
    color: var(--vps-text);
}

.vps-modal-title {
    margin: 0 0 25px;
    font-size: 24px;
    font-weight: 600;
    color: var(--vps-text);
    text-align: center;
}

/* ==========================================================================
   Upload Area
   ========================================================================== */
.vps-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    border: 2px dashed var(--vps-border);
    border-radius: var(--vps-radius);
    background: var(--vps-bg-light);
    text-align: center;
    transition: all var(--vps-transition);
    cursor: pointer;
}

.vps-dropzone:hover,
.vps-dropzone.dragover {
    border-color: var(--vps-primary);
    background: rgba(201, 169, 97, 0.05);
}

.vps-dropzone-icon {
    color: var(--vps-primary);
    margin-bottom: 15px;
}

.vps-dropzone-text {
    margin: 0 0 5px;
    font-size: 16px;
    color: var(--vps-text);
}

.vps-dropzone-subtext {
    margin: 0 0 15px;
    font-size: 14px;
    color: var(--vps-text-light);
}

.vps-dropzone-button {
    display: inline-block;
    padding: 10px 25px;
    background: var(--vps-primary);
    color: #fff;
    border-radius: var(--vps-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--vps-transition);
}

.vps-dropzone-button:hover {
    background: var(--vps-primary-hover);
}

/* Preview */
.vps-preview {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 20px;
    background: var(--vps-bg-light);
    border-radius: var(--vps-radius);
}

.vps-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--vps-radius);
    object-fit: contain;
}

.vps-preview-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--vps-transition);
}

.vps-preview-remove:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Submit button */
.vps-search-button-wrapper {
    margin-top: 20px;
    text-align: center;
}

.vps-modal .vps-submit-button,
.vps-submit-button {
    display: inline-block !important;
    padding: 12px 40px !important;
    background: var(--vps-primary) !important;
    color: #fff !important;
    border: 2px solid var(--vps-primary) !important;
    border-radius: var(--vps-radius) !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer;
    transition: all var(--vps-transition);
    text-decoration: none !important;
}

.vps-modal .vps-submit-button:hover:not(:disabled),
.vps-submit-button:hover:not(:disabled) {
    background: var(--vps-primary-hover) !important;
    border-color: var(--vps-primary-hover) !important;
    transform: translateY(-1px);
}

.vps-modal .vps-submit-button:disabled,
.vps-submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================================
   Loading State
   ========================================================================== */
.vps-loading,
.vps-similar-loading {
    text-align: center;
    padding: 40px;
}

/* Original spinner - fallback */
.vps-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    border: 3px solid var(--vps-border);
    border-top-color: var(--vps-primary);
    border-radius: 50%;
    animation: vps-spin 1s linear infinite;
}

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

/* AI Sparkles Loader */
.vps-ai-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    width: 60px;
    height: 60px;
    position: relative;
}

.vps-ai-loader svg {
    width: 48px;
    height: 48px;
    color: var(--vps-primary);
    animation: vps-sparkle-pulse 1.5s ease-in-out infinite;
}

.vps-ai-loader svg path:nth-child(1) {
    animation: vps-sparkle-twinkle 1.5s ease-in-out infinite;
}

.vps-ai-loader svg path:nth-child(2) {
    animation: vps-sparkle-twinkle 1.5s ease-in-out infinite 0.3s;
}

/* Floating particles around the main icon */
.vps-ai-loader::before,
.vps-ai-loader::after {
    content: '✦';
    position: absolute;
    font-size: 12px;
    color: var(--vps-primary);
    opacity: 0;
    animation: vps-particle-float 2s ease-in-out infinite;
}

.vps-ai-loader::before {
    top: 0;
    left: 10px;
    animation-delay: 0s;
}

.vps-ai-loader::after {
    bottom: 5px;
    right: 5px;
    animation-delay: 1s;
}

@keyframes vps-sparkle-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes vps-sparkle-twinkle {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.9);
    }
}

@keyframes vps-particle-float {
    0% {
        opacity: 0;
        transform: translateY(10px) scale(0.5);
    }

    20% {
        opacity: 1;
    }

    80% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateY(-20px) scale(1);
    }
}

.vps-loading p,
.vps-similar-loading p {
    margin: 0;
    color: var(--vps-text-light);
    font-size: 14px;
}

/* ==========================================================================
   Results
   ========================================================================== */
.vps-results {
    margin-top: 30px;
}

.vps-results-title {
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: 600;
    color: var(--vps-text);
}

.vps-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

@media (min-width: 480px) {
    .vps-results-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Product Grid (Shortcode & Widget)
   ========================================================================== */
.vps-similar-section,
.vps-similar-products {
    margin: 40px 0;
}

.vps-section-title,
.vps-similar-title {
    margin: 0 0 25px;
    font-size: 22px;
    font-weight: 600;
    color: var(--vps-text);
}

.vps-products-grid {
    display: grid;
    gap: 20px;
}

.vps-products-grid.vps-columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.vps-products-grid.vps-columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.vps-products-grid.vps-columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

.vps-products-grid.vps-columns-5 {
    grid-template-columns: repeat(5, 1fr);
}

.vps-products-grid.vps-columns-6 {
    grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 768px) {
    .vps-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 480px) {
    .vps-products-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Product Card */
.vps-product-card {
    background: var(--vps-bg);
    border-radius: var(--vps-radius);
    overflow: hidden;
    transition: transform var(--vps-transition), box-shadow var(--vps-transition);
}

.vps-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--vps-shadow);
}

.vps-product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.vps-product-image-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--vps-bg-light);
}

.vps-product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--vps-transition);
}

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

/* Badges */
.vps-out-of-stock,
.vps-out-of-stock-badge {
    position: absolute;
    bottom: 10px;
    left: 10px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    border-radius: 4px;
}

.vps-similarity-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    background: var(--vps-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

/* Product Info */
.vps-product-info {
    padding: 15px;
}

.vps-product-title {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--vps-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.vps-product-price {
    font-size: 14px;
    font-weight: 600;
    color: var(--vps-primary);
}

.vps-product-price del {
    color: var(--vps-text-light);
    font-weight: 400;
}

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

/* ==========================================================================
   Error Message
   ========================================================================== */
.vps-error {
    padding: 15px;
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--vps-radius);
    color: #c00;
    text-align: center;
    margin-top: 20px;
}

/* ==========================================================================
   Header Camera Icon (for Rey theme integration)
   ========================================================================== */
.vps-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: inherit;
    cursor: pointer;
    transition: opacity var(--vps-transition);
}

.vps-header-icon:hover {
    opacity: 0.7;
}

.vps-header-icon svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Similar Products Modal
   ========================================================================== */
.vps-similar-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.vps-similar-modal .vps-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.vps-similar-modal .vps-similar-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--vps-bg);
    border-radius: var(--vps-radius);
    box-shadow: var(--vps-shadow);
    padding: 30px;
    overflow-y: auto;
}

.vps-similar-loading {
    text-align: center;
    padding: 40px;
}

.vps-similar-empty,
.vps-similar-error {
    padding: 20px;
    text-align: center;
    color: var(--vps-text-light);
}

.vps-similar-error {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--vps-radius);
    color: #c00;
}

/* ==========================================================================
   Find Similar Button Variants
   ========================================================================== */
.vps-similar-button-wrapper {
    margin: 15px 0;
}

.vps-find-similar-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--vps-primary);
    color: #fff;
    border: none;
    border-radius: var(--vps-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--vps-transition);
}

.vps-find-similar-btn:hover {
    background: var(--vps-primary-hover);
    transform: translateY(-1px);
}

.vps-find-similar-btn svg {
    flex-shrink: 0;
}

/* Icon only variant */
.vps-find-similar-btn.vps-btn-icon-only {
    padding: 10px;
    width: 40px;
    height: 40px;
    justify-content: center;
}

.vps-find-similar-btn.vps-btn-icon-only .vps-btn-text {
    display: none;
}

/* Text only variant */
.vps-find-similar-btn.vps-btn-text-only svg {
    display: none;
}

/* ==========================================================================
   Overlay Button on Product Image
   ========================================================================== */
.woocommerce-product-gallery {
    position: relative;
}

.vps-overlay-btn {
    position: absolute;
    bottom: 15px;
    right: 15px;
    z-index: 10;
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent !important;
    color: var(--vps-primary) !important;
    border: none !important;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--vps-transition);
}

.vps-overlay-btn:hover {
    background: transparent !important;
    color: var(--vps-primary) !important;
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px var(--vps-primary));
}

.vps-overlay-btn svg {
    width: 24px;
    height: 24px;
}

/* Alternative: Bottom center below thumbnails for 'below_image' position */
.vps-similar-button-wrapper.vps-below-image {
    text-align: center;
    padding: 15px 0;
    margin-bottom: 20px;
}

/* Body scroll lock when modal open */
body.vps-modal-open {
    overflow: hidden;
}