/* ==========================================================================
   TrendTents Ajax Search — Front-end Styles
   ========================================================================== */

/* ---- CSS Variables ---- */
:root {
    --tts-overlay-bg:   rgba(0, 0, 0, 0.35);
    --tts-popup-bg:     #ffffff;
    --tts-popup-radius: 16px;
    --tts-popup-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    --tts-popup-width:  660px;
    --tts-border:       #ebebeb;
    --tts-text:         #1a1a1a;
    --tts-muted:        #6b7280;
    --tts-accent:       #2563eb;
    --tts-hover-bg:     #f5f5f5;
    --tts-input-height: 52px;
    --tts-transition:   220ms cubic-bezier(0.4, 0, 0.2, 1);
    --tts-font:         inherit;
}

/* ---- Utility ---- */
.tts-hidden { display: none !important; }

/* ---- Trigger Button (shortcode output) ---- */
.tts-trigger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: currentColor;
    transition: opacity var(--tts-transition);
    line-height: 1;
}
.tts-trigger-btn:hover { opacity: 0.7; }
.tts-trigger-btn:focus-visible {
    outline: 2px solid var(--tts-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---- Overlay ---- */
.tts-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: var(--tts-overlay-bg);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    padding-left: 16px;
    padding-right: 16px;

    /* Hidden state */
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--tts-transition), visibility var(--tts-transition);
}
.tts-overlay.tts-open {
    opacity: 1;
    visibility: visible;
}

/* ---- Popup Card ---- */
.tts-popup {
    background: var(--tts-popup-bg);
    border-radius: var(--tts-popup-radius);
    box-shadow: var(--tts-popup-shadow);
    width: 100%;
    max-width: var(--tts-popup-width);
    overflow: hidden;
    font-family: var(--tts-font);

    /* Slide-down animation */
    transform: translateY(-18px) scale(0.98);
    transition: transform var(--tts-transition);
}
.tts-overlay.tts-open .tts-popup {
    transform: translateY(0) scale(1);
}

/* ---- Search Input Row ---- */
.tts-search-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    height: var(--tts-input-height);
    border-bottom: 1px solid var(--tts-border);
}
.tts-icon-search {
    flex-shrink: 0;
    color: var(--tts-muted);
    display: flex;
}
.tts-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    color: var(--tts-text);
    font-family: var(--tts-font);
    -webkit-appearance: none;
    appearance: none;
}
.tts-input::placeholder { color: var(--tts-muted); }
/* Remove browser's native clear button */
.tts-input::-webkit-search-cancel-button,
.tts-input::-webkit-search-decoration { display: none; }

.tts-close-btn {
    flex-shrink: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--tts-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 6px;
    transition: background var(--tts-transition), color var(--tts-transition);
}
.tts-close-btn:hover {
    background: var(--tts-hover-bg);
    color: var(--tts-text);
}

/* ---- Results Area ---- */
.tts-results-area {
    max-height: 480px;
    overflow-y: auto;
    padding: 18px;
    scroll-behavior: smooth;
}
.tts-results-area::-webkit-scrollbar { width: 6px; }
.tts-results-area::-webkit-scrollbar-track { background: transparent; }
.tts-results-area::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }

/* ---- Section ---- */
.tts-section + .tts-section { margin-top: 20px; }

.tts-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.tts-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--tts-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.tts-clear-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 13px;
    color: var(--tts-muted);
    padding: 0;
    transition: color var(--tts-transition);
}
.tts-clear-btn:hover { color: var(--tts-text); }

/* ---- Product Grid ---- */
.tts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
@media (max-width: 540px) {
    .tts-grid { grid-template-columns: repeat(2, 1fr); }
    .tts-overlay { padding-top: 40px; }
    .tts-popup { border-radius: 12px; }
}

/* ---- Product Card ---- */
.tts-product-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-decoration: none;
    color: var(--tts-text);
    border-radius: 10px;
    padding: 8px;
    transition: background var(--tts-transition);
    cursor: pointer;
}
.tts-product-card:hover { background: var(--tts-hover-bg); }

.tts-product-img-wrap {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    background: #f3f4f6;
}
.tts-product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 300ms ease;
}
.tts-product-card:hover .tts-product-img { transform: scale(1.04); }

.tts-product-info { padding: 2px 2px 0; }
.tts-product-name {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tts-text);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tts-product-price {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--tts-text);
    margin-top: 3px;
}
.tts-product-price .amount { color: var(--tts-text); }
.tts-product-price ins { text-decoration: none; }
.tts-product-price del {
    font-weight: 400;
    color: var(--tts-muted);
    font-size: 11px;
    margin-right: 3px;
}

/* ---- Loading Spinner ---- */
.tts-spinner {
    display: flex;
    justify-content: center;
    padding: 24px 0;
}
.tts-spinner-ring {
    width: 30px;
    height: 30px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--tts-accent);
    border-radius: 50%;
    animation: tts-spin 0.7s linear infinite;
}
@keyframes tts-spin { to { transform: rotate(360deg); } }

/* ---- No Results ---- */
.tts-no-results {
    text-align: center;
    color: var(--tts-muted);
    font-size: 14px;
    padding: 20px 0 8px;
    margin: 0;
}

/* ---- Skeleton placeholders (optional loading state) ---- */
.tts-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: tts-shimmer 1.2s infinite;
    border-radius: 8px;
}
@keyframes tts-shimmer {
    from { background-position: 200% 0; }
    to   { background-position: -200% 0; }
}