/* ==========================================================================
   com_pricetracker — Product Detail
   Hero card, gallery, info panel, description, chart, specs, related
   ========================================================================== */

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.pt-detail {
    max-width: var(--pt-max-width);
    margin: 0 auto;
    padding: 0 1rem 2.5rem;
}

.pt-detail-card {
    background: var(--pt-bg-white);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    overflow: hidden;
}

.pt-detail-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
}

@media (min-width: 768px) {
    .pt-detail-card {
        padding: 2rem;
    }

    .pt-detail-layout {
        flex-direction: row;
        gap: 2rem;
        align-items: flex-start;
    }
}

/* --------------------------------------------------------------------------
   Image (single, no gallery)
   -------------------------------------------------------------------------- */

.pt-detail-image-wrap {
    flex-shrink: 0;
    width: 100%;
}

.pt-detail-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    object-position: center;
    display: block;
    background: var(--pt-bg-subtle);
}

.pt-detail-image-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--pt-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pt-border-hover);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .pt-detail-image-wrap {
        width: 480px;
    }

    .pt-detail-image {
        width: 480px;
        height: 480px;
        aspect-ratio: unset;
        border-radius: var(--pt-radius);
        border: 1px solid var(--pt-border);
    }

    .pt-detail-image-placeholder {
        width: 480px;
        height: 480px;
        aspect-ratio: unset;
        border-radius: var(--pt-radius);
    }
}

/* --------------------------------------------------------------------------
   Gallery
   -------------------------------------------------------------------------- */

.pt-gallery {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
}

.pt-gallery-main {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--pt-bg-white);
    overflow: hidden;
}

.pt-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    transition: opacity 0.2s ease;
}

.pt-gallery-main img.pt-gallery-switching {
    opacity: 0;
}

.pt-gallery-thumbs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: var(--pt-bg-dark);
    padding: 0;
}

.pt-gallery-thumbs::-webkit-scrollbar { display: none; }

.pt-gallery-thumb-btn {
    flex: 0 0 auto;
    scroll-snap-align: start;
    width: 64px;
    height: 64px;
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    overflow: hidden;
    padding: 0;
    background: var(--pt-bg-dark-mid);
    cursor: pointer;
    transition: border-color 0.15s, opacity 0.15s;
    opacity: 0.55;
}

.pt-gallery-thumb-btn:hover {
    opacity: 0.85;
    border-bottom-color: var(--pt-text-faint);
}

.pt-gallery-thumb-active {
    opacity: 1 !important;
    border-bottom-color: var(--pt-accent) !important;
}

.pt-gallery-thumb-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

@media (min-width: 768px) {
    .pt-gallery {
        width: 480px;
        flex-shrink: 0;
    }

    .pt-gallery-main {
        width: 480px;
        height: 480px;
        aspect-ratio: unset;
        border-radius: var(--pt-radius) var(--pt-radius) 0 0;
        border: 1px solid var(--pt-border);
        border-bottom: none;
    }

    .pt-gallery-thumbs {
        width: 480px;
        background: var(--pt-bg-subtle);
        border: 1px solid var(--pt-border);
        border-top: none;
        border-radius: 0 0 var(--pt-radius) var(--pt-radius);
        padding: 8px;
        gap: 6px;
        overflow-x: auto;
    }

    .pt-gallery-thumb-btn {
        width: 60px;
        height: 60px;
        border: 2px solid var(--pt-border);
        border-radius: var(--pt-radius-sm);
        background: var(--pt-bg-white);
        opacity: 0.7;
    }

    .pt-gallery-thumb-active {
        border-color: var(--pt-accent) !important;
        opacity: 1 !important;
    }

    .pt-gallery-thumb-btn:hover {
        border-color: var(--pt-text-faint);
        opacity: 1;
    }
}

/* --------------------------------------------------------------------------
   Info Panel
   -------------------------------------------------------------------------- */

.pt-detail-info {
    flex: 1;
    min-width: 0;
    padding: 1.25rem 1rem;
}

@media (min-width: 768px) {
    .pt-detail-info { padding: 0; }
}

.pt-detail-brand {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pt-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.pt-detail-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pt-text-primary);
    line-height: 1.4;
    margin: 0 0 1rem;
}

@media (min-width: 768px) {
    .pt-detail-title { font-size: 1.5rem; }
}

/* --------------------------------------------------------------------------
   Badges & Price Block
   -------------------------------------------------------------------------- */

.pt-detail-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.pt-detail-price-block { margin-bottom: 1rem; }

.pt-detail-price-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pt-detail-price {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--pt-text-primary);
}

@media (min-width: 768px) {
    .pt-detail-price { font-size: 2.25rem; }
}

.pt-detail-ppu {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pt-deal);
    margin-top: 0.25rem;
}

.pt-detail-bought {
    font-size: 0.875rem;
    color: var(--pt-text-muted);
    margin-top: 0.25rem;
}

.pt-detail-updated {
    font-size: 0.82rem;
    color: var(--pt-text-muted);
    margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   Rating
   -------------------------------------------------------------------------- */

.pt-detail-rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--pt-text-muted);
    margin-bottom: 1.5rem;
}

.pt-star { color: var(--pt-accent-star); }

.pt-rating-value { font-weight: 500; }

.pt-rating-link {
    color: var(--pt-blue);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.pt-rating-link:hover {
    color: var(--pt-violet);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Pills & Actions
   -------------------------------------------------------------------------- */

.pt-detail-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.pt-detail-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   Description
   -------------------------------------------------------------------------- */

.pt-description-section {
    max-width: var(--pt-max-width);
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.pt-description-card {
    background: var(--pt-bg-white);
    border-radius: var(--pt-radius);
    padding: 24px;
    border: 1px solid var(--pt-border);
}

.pt-description-body {
    font-size: 15px;
    line-height: 1.7;
    color: var(--pt-text-body);
    max-width: 72ch;
}

.pt-description-body p { margin: 0 0 14px; }
.pt-description-body p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Price History Chart
   -------------------------------------------------------------------------- */

.pt-chart-section {
    max-width: var(--pt-max-width);
    margin: 0 auto;
    padding: 0 1rem 2.5rem;
}

.pt-chart-card {
    background: var(--pt-bg-white);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    padding: 1.5rem;
}

.pt-chart-canvas {
    width: 100% !important;
    height: 280px !important;
}

@media (min-width: 768px) {
    .pt-chart-canvas { height: 340px !important; }
}

.pt-chart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    text-align: center;
}

.pt-chart-empty-text {
    font-size: 0.875rem;
    color: var(--pt-text-faint);
    margin: 0;
    max-width: 28rem;
}

/* --------------------------------------------------------------------------
   Specifications
   -------------------------------------------------------------------------- */

.pt-specs-section {
    max-width: var(--pt-max-width);
    margin: 0 auto;
    padding: 0 1rem 2.5rem;
}

.pt-specs-card {
    background: var(--pt-bg-white);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    overflow: hidden;
}

.pt-specs-table {
    width: 100%;
    font-size: 0.875rem;
    border-collapse: collapse;
}

.pt-specs-table tr { border: none; }

.pt-specs-row-alt { background: var(--pt-bg-subtle); }

.pt-specs-label {
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--pt-text-muted);
    width: 10rem;
    vertical-align: top;
}

@media (min-width: 768px) {
    .pt-specs-label { width: 14rem; }
}

.pt-specs-value {
    padding: 0.75rem 1rem;
    color: var(--pt-text-primary);
    font-weight: 500;
    vertical-align: top;
}

.pt-specs-divider {
    border: none;
    border-top: 1px solid var(--pt-border);
    margin: 20px 0;
}

.pt-specs-subtitle {
    font-size: 15px;
    font-weight: 600;
    color: var(--pt-text-secondary);
    margin: 0 0 12px;
    padding: 0 1rem;
}

/* --------------------------------------------------------------------------
   Related Products
   -------------------------------------------------------------------------- */

.pt-related-section {
    max-width: var(--pt-max-width);
    margin: 0 auto;
    padding: 0 1rem 3rem;
}

.pt-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .pt-related-grid { gap: 1rem; }
}

@media (min-width: 1024px) {
    .pt-related-grid { grid-template-columns: repeat(3, 1fr); }
}

.pt-related-card {
    display: block;
    background: var(--pt-bg-white);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius-sm);
    padding: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.pt-related-card:hover {
    box-shadow: 0 4px 12px var(--pt-shadow-sm);
    border-color: var(--pt-border-hover);
    text-decoration: none;
}

.pt-related-top {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.pt-related-image {
    width: 3.5rem;
    height: 3.5rem;
    object-fit: contain;
    border-radius: var(--pt-radius-sm);
    background: var(--pt-bg-subtle);
    flex-shrink: 0;
}

.pt-related-info { min-width: 0; flex: 1; }

.pt-related-brand {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--pt-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.pt-related-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--pt-text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pt-related-card:hover .pt-related-title { color: var(--pt-accent); }

.pt-related-bottom {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-top: 0.5rem;
}

.pt-related-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--pt-text-primary);
}

.pt-related-rating {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pt-accent-star);
}

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .pt-detail { padding: 0 0 2rem; }

    .pt-detail-card {
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
        padding: 0;
    }

    .pt-detail-info { padding: 1rem; }

    .pt-description-section,
    .pt-chart-section,
    .pt-specs-section,
    .pt-related-section {
        padding-left: 0;
        padding-right: 0;
    }

    .pt-description-card,
    .pt-chart-card,
    .pt-specs-card {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .pt-description-card { padding: 1rem; }

    .pt-specs-table { font-size: 0.8125rem; }
    .pt-specs-label { width: 42%; word-break: break-word; }
    .pt-specs-value { width: 58%; word-break: break-word; }

    .pt-chart-canvas { height: 220px !important; }

    .pt-related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        padding: 0 0.5rem;
    }

    .pt-related-card { padding: 0.5rem; }
    .pt-related-image { width: 2.5rem; height: 2.5rem; }
    .pt-related-title { font-size: 0.75rem; }
    .pt-related-price { font-size: 0.875rem; }
    .pt-related-rating { font-size: 0.6875rem; }
}

@media (max-width: 374px) {
    .pt-detail-title { font-size: 1rem; }
    .pt-detail-price { font-size: 1.625rem; }
    .pt-related-grid { grid-template-columns: 1fr; }
}