/* ============================================================
   WP AI Semantic Search - Public Styles
   ============================================================ */

:root {
    --wp-ai-search-primary: #6366f1;
    --wp-ai-search-primary-hover: #4f46e5;
    --wp-ai-search-bg: #ffffff;
    --wp-ai-search-border: #e5e7eb;
    --wp-ai-search-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    --wp-ai-search-radius: 50px;
    --wp-ai-search-radius-results: 16px;
    --wp-ai-search-text: #111827;
    --wp-ai-search-muted: #6b7280;
    --wp-ai-search-accent: #f3f4f6;
    --wp-ai-search-product-badge: #10b981;
    --wp-ai-search-post-badge: #6366f1;
    --wp-ai-search-page-badge: #f59e0b;
    --wp-ai-search-sale-badge: #ef4444;
}

/* ---- Wrapper ---- */
.wp-ai-search-wrapper {
    position: relative;
    width: 100%;
    max-width: 640px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    z-index: 9999;
}

/* ---- Search Bar ---- */
.wp-ai-search-bar {
    display: flex;
    align-items: center;
    background: var(--wp-ai-search-bg);
    border: 1.5px solid var(--wp-ai-search-border);
    border-radius: var(--wp-ai-search-radius);
    padding: 10px 18px;
    gap: 10px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.wp-ai-search-bar:focus-within {
    border-color: var(--wp-ai-search-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 2px 8px rgba(0,0,0,0.06);
}

/* ---- AI Icon ---- */
.wp-ai-search-icon {
    display: flex;
    align-items: center;
    color: var(--wp-ai-search-primary);
    flex-shrink: 0;
}

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

/* ---- Input ---- */
.wp-ai-search-input {
    flex: 1;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    background: transparent !important;
    font-size: 15px;
    color: var(--wp-ai-search-text);
    padding: 0 !important;
    margin: 0 !important;
    line-height: 1.5;
    min-width: 0;
}

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

.wp-ai-search-input::-webkit-search-cancel-button {
    display: none;
}

/* ---- Clear Button ---- */
.wp-ai-search-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--wp-ai-search-accent);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    color: var(--wp-ai-search-muted);
    padding: 0;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease;
}

.wp-ai-search-clear:hover {
    background: #e5e7eb;
    color: var(--wp-ai-search-text);
}

/* ---- Loading Spinner ---- */
.wp-ai-search-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wp-ai-search-spinner svg {
    width: 18px;
    height: 18px;
    animation: wp-ai-spin 0.8s linear infinite;
    color: var(--wp-ai-search-primary);
}

@keyframes wp-ai-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ---- Results Dropdown ---- */
.wp-ai-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--wp-ai-search-bg);
    border: 1.5px solid var(--wp-ai-search-border);
    border-radius: var(--wp-ai-search-radius-results);
    box-shadow: var(--wp-ai-search-shadow);
    overflow: hidden;
    z-index: 10000;
    animation: wp-ai-fade-in 0.15s ease;
}

@keyframes wp-ai-fade-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.wp-ai-search-results-inner {
    max-height: 480px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #d1d5db transparent;
}

.wp-ai-search-results-inner::-webkit-scrollbar {
    width: 5px;
}

.wp-ai-search-results-inner::-webkit-scrollbar-track {
    background: transparent;
}

.wp-ai-search-results-inner::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 10px;
}

/* ---- Result Item ---- */
.wp-ai-search-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    cursor: pointer;
    text-decoration: none !important;
    color: var(--wp-ai-search-text) !important;
    transition: background 0.12s ease;
    border-bottom: 1px solid #f3f4f6;
}

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

.wp-ai-search-item:hover,
.wp-ai-search-item:focus,
.wp-ai-search-item.is-active {
    background: var(--wp-ai-search-accent);
    outline: none;
}

/* ---- Thumbnail ---- */
.wp-ai-search-item-thumb {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: #f3f4f6;
}

.wp-ai-search-item-thumb-placeholder {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: linear-gradient(135deg, #e0e7ff 0%, #f3f4f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--wp-ai-search-primary);
}

/* ---- Item Content ---- */
.wp-ai-search-item-content {
    flex: 1;
    min-width: 0;
}

.wp-ai-search-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 3px;
}

.wp-ai-search-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--wp-ai-search-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.wp-ai-search-item-badge {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 7px;
    border-radius: 20px;
    flex-shrink: 0;
}

.wp-ai-search-badge-product {
    background: #d1fae5;
    color: #065f46;
}

.wp-ai-search-badge-post {
    background: #e0e7ff;
    color: #3730a3;
}

.wp-ai-search-badge-page {
    background: #fef3c7;
    color: #92400e;
}

.wp-ai-search-item-excerpt {
    font-size: 12px;
    color: var(--wp-ai-search-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

/* ---- Product Price ---- */
.wp-ai-search-item-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--wp-ai-search-product-badge);
    margin-top: 3px;
}

.wp-ai-search-item-price .sale-badge {
    display: inline-block;
    background: var(--wp-ai-search-sale-badge);
    color: white;
    font-size: 9px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    margin-left: 5px;
    vertical-align: middle;
    text-transform: uppercase;
}

/* ---- Rating Stars ---- */
.wp-ai-search-item-rating {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: #f59e0b;
    margin-top: 2px;
}

/* ---- States ---- */
.wp-ai-search-state {
    padding: 20px 16px;
    text-align: center;
    color: var(--wp-ai-search-muted);
    font-size: 13px;
}

.wp-ai-search-state-icon {
    display: block;
    font-size: 28px;
    margin-bottom: 8px;
}

.wp-ai-search-state-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
}

.wp-ai-search-state-loading svg {
    width: 24px;
    height: 24px;
    animation: wp-ai-spin 0.8s linear infinite;
    color: var(--wp-ai-search-primary);
}

/* ---- Footer ---- */
.wp-ai-search-footer {
    padding: 8px 16px;
    border-top: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.wp-ai-search-powered {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #9ca3af;
}

.wp-ai-search-powered svg {
    color: var(--wp-ai-search-primary);
}

/* ---- View All Link ---- */
.wp-ai-search-view-all {
    display: block;
    text-align: center;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--wp-ai-search-primary) !important;
    font-weight: 500;
    text-decoration: none !important;
    border-top: 1px solid #f3f4f6;
    transition: background 0.12s ease;
}

.wp-ai-search-view-all:hover {
    background: var(--wp-ai-search-accent);
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .wp-ai-search-item-thumb,
    .wp-ai-search-item-thumb-placeholder {
        width: 40px;
        height: 40px;
    }

    .wp-ai-search-item-title {
        font-size: 13px;
    }

    .wp-ai-search-results-inner {
        max-height: 360px;
    }
}