/**
 * Premium product detail UI — shared by flower / cake / gift detail pages.
 * Expects --primary, --accent, --bg-site, --text-main on :root (set per page).
 */

:root {
    --pd-radius-lg: 1.25rem;
    --pd-radius-xl: 1.75rem;
    --pd-shadow-soft: 0 4px 24px rgba(15, 23, 42, 0.06);
    --pd-shadow-card: 0 12px 40px rgba(15, 23, 42, 0.08);
    --pd-sticky-height: calc(4.25rem + env(safe-area-inset-bottom, 0px));
}

.product-detail-page {
    scroll-behavior: smooth;
}

.pd-page {
    padding-bottom: 0;
}

@media (max-width: 1023px) {
    .pd-page {
        padding-bottom: var(--pd-sticky-height);
    }
}

/* Layout */
.pd-container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .pd-container {
        padding: 0 1.5rem;
    }
}

.pd-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(2rem, 4vw, 3.75rem);
    padding: clamp(1.5rem, 3vw, 2.75rem) 0 3rem;
    align-items: start;
}

@media (max-width: 1023px) {
    .pd-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-top: 1rem;
    }
}

.pd-gallery-col {
    position: relative;
}

@media (min-width: 1024px) {
    .pd-gallery-sticky {
        position: sticky;
        top: 5.5rem;
    }
}

/* Gallery */
.pd-media-wrap {
    position: relative;
    border-radius: var(--pd-radius-xl);
    overflow: hidden;
    background: linear-gradient(145deg, #fafafa 0%, #f1f5f9 100%);
    box-shadow: var(--pd-shadow-card);
    border: 1px solid rgba(15, 23, 42, 0.06);
    aspect-ratio: 1 / 1;
    max-height: min(85vh, 640px);
    margin: 0 auto;
}

@media (max-width: 1023px) {
    .pd-media-wrap {
        border-radius: var(--pd-radius-lg);
        max-height: none;
        aspect-ratio: 1 / 1;
    }
}

.pd-media-wrap model-viewer,
.pd-media-wrap #mainView {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    object-fit: cover;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.pd-media-wrap #mainView {
    cursor: zoom-in;
}

.pd-media-wrap.is-zoomable #mainView:active {
    transform: scale(1.02);
}

.pd-zoom-hint {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    background: rgba(15, 23, 42, 0.45);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    pointer-events: none;
    z-index: 15;
    backdrop-filter: blur(6px);
}

.pd-thumbs {
    display: flex;
    gap: 0.65rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: thin;
}

.pd-thumb {
    flex: 0 0 4.5rem;
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 0.85rem;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    background: #fff;
}

.pd-thumb:hover {
    transform: translateY(-2px);
    box-shadow: var(--pd-shadow-soft);
}

.pd-thumb.is-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

/* Breadcrumbs */
.pd-breadcrumb {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #94a3b8;
    padding: 1rem 0 0;
}

.pd-breadcrumb a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.pd-breadcrumb a:hover {
    color: var(--primary);
}

.pd-breadcrumb .pd-bc-current {
    color: #475569;
}

/* Buy column */
.pd-buy-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 1024px) {
    .pd-buy-sticky {
        position: sticky;
        top: 5.5rem;
    }
}

.pd-badge-row {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.pd-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: color-mix(in srgb, var(--primary) 12%, transparent);
    color: var(--primary);
}

.pd-badge-sale {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.pd-title {
    font-size: clamp(1.5rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    color: #0f172a;
    letter-spacing: -0.02em;
    margin: 0;
}

/* Rating */
.pd-rating-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    margin-top: 0.35rem;
}

.pd-stars {
    color: #fbbf24;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.pd-rating-val {
    font-weight: 800;
    color: #334155;
    font-size: 1.05rem;
}

.pd-rating-meta {
    font-size: 0.8rem;
    color: #94a3b8;
}

.pd-rating-highlight {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 8%, white);
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
}

/* Price */
.pd-price-block {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.65rem 1rem;
    margin: 0.5rem 0 0;
}

.pd-price-current {
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.pd-price-old {
    font-size: 1.1rem;
    color: #94a3b8;
    text-decoration: line-through;
    font-weight: 500;
}

.pd-discount-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 0.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #fff;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
}

/* Stock & urgency */
.pd-stock-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.pd-stock-ok {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: #166534;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    padding: 0.45rem 0.85rem;
    border-radius: 0.65rem;
}

.pd-urgency {
    font-size: 0.75rem;
    font-weight: 700;
    color: #c2410c;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    padding: 0.45rem 0.85rem;
    border-radius: 0.65rem;
}

/* Delivery chips */
.pd-delivery-chips {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.pd-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    width: fit-content;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.45rem 0.85rem;
    border-radius: 0.65rem;
}

.pd-chip--green {
    color: #166534;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.pd-chip--blue {
    color: #1d4ed8;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

/* Description */
.pd-desc {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.65;
}

.pd-readmore {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Trust strip */
.pd-trust-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-top: 0.25rem;
}

@media (min-width: 640px) {
    .pd-trust-strip {
        grid-template-columns: repeat(4, 1fr);
    }
}

.pd-trust-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: #475569;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.65rem 0.7rem;
    line-height: 1.35;
}

.pd-trust-item i {
    color: var(--primary);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Why us */
.pd-why {
    background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
    border: 1px solid #f1f5f9;
    border-radius: var(--pd-radius-lg);
    padding: 1.25rem 1.35rem;
    margin-top: 0.5rem;
}

.pd-why h3 {
    margin: 0 0 0.75rem;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #0f172a;
}

.pd-why ul {
    margin: 0;
    padding: 0 0 0 1.1rem;
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.6;
}

.pd-why li {
    margin-bottom: 0.4rem;
}

/* Purchase card */
.pd-buy-card {
    background: #fff;
    border-radius: var(--pd-radius-xl);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    border: 1px solid #e2e8f0;
    box-shadow: var(--pd-shadow-soft);
}

.pd-variant-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 0.65rem;
}

.pd-variant-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pd-variant-btn {
    padding: 0.55rem 1rem;
    border-radius: 0.85rem;
    font-size: 0.875rem;
    font-weight: 700;
    border: 2px solid #e2e8f0;
    background: #fff;
    color: #475569;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.pd-variant-btn:hover:not(:disabled) {
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.pd-variant-btn.active {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.pd-variant-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pd-qty-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1.25rem;
}

.pd-qty {
    display: inline-flex;
    align-items: center;
    border: 1.5px solid #e2e8f0;
    border-radius: 999px;
    padding: 0.25rem;
    background: #f8fafc;
}

.pd-qty button {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: none;
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    transition: transform 0.15s;
}

.pd-qty button:active:not(:disabled) {
    transform: scale(0.94);
}

.pd-qty input {
    width: 2.5rem;
    text-align: center;
    border: none;
    background: transparent;
    font-weight: 800;
    font-size: 1.05rem;
}

.pd-cta-row {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

@media (min-width: 640px) {
    .pd-cta-row {
        flex-direction: row;
    }

    .pd-cta-row .pd-btn {
        flex: 1;
    }
}

.pd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.35rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    text-decoration: none;
}

.pd-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.pd-btn--outline {
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.pd-btn--outline:hover:not(:disabled) {
    background: color-mix(in srgb, var(--primary) 6%, white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.pd-btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 28px color-mix(in srgb, var(--primary) 45%, transparent);
}

.pd-btn--primary:hover:not(:disabled) {
    filter: brightness(1.05);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--primary) 40%, transparent);
}

.pd-btn--primary:disabled,
.pd-btn--outline:disabled {
    background: #cbd5e1;
    color: #64748b;
    border-color: #cbd5e1;
    box-shadow: none;
    cursor: not-allowed;
}

.pd-wa {
    width: 100%;
    margin-top: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: #059669;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background 0.2s;
}

.pd-wa:hover {
    background: #ecfdf5;
}

/* Hide duplicate CTAs on mobile when sticky is shown */
@media (max-width: 1023px) {
    .pd-cta-row--main {
        display: none;
    }
}

@media (min-width: 1024px) {
    .pd-sticky-cta {
        display: none !important;
    }

    .pd-cta-row--main {
        display: flex;
    }
}

/* Sticky bottom bar */
.pd-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9998;
    padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.1);
}

.pd-sticky-inner {
    max-width: 1220px;
    margin: 0 auto;
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.pd-sticky-cta .pd-btn {
    flex: 1;
    padding: 0.95rem 0.75rem;
    font-size: 0.82rem;
    border-radius: 1rem;
    min-height: 3.125rem;
}

/* Sections below fold */
.pd-section-title {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 800;
    color: #0f172a;
    margin: 2.5rem 0 1.25rem;
    letter-spacing: -0.02em;
}

.pd-rec-card {
    border-radius: var(--pd-radius-xl);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s, transform 0.3s;
    background: #fff;
}

.pd-rec-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* FAQ */
.pd-faq-wrap {
    margin: 2.5rem 0;
}

.pd-faq-title {
    text-align: center;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 1.25rem;
}

.pd-faq-item {
    background: #fff;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    margin-bottom: 0.65rem;
    overflow: hidden;
    transition: box-shadow 0.25s, border-color 0.25s;
}

.pd-faq-item:hover {
    border-color: #cbd5e1;
}

.pd-faq-item[open] {
    box-shadow: var(--pd-shadow-soft);
    border-color: color-mix(in srgb, var(--primary) 25%, #e2e8f0);
}

.pd-faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.1rem 1.25rem;
    font-weight: 700;
    color: #0f172a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.pd-faq-item summary::-webkit-details-marker {
    display: none;
}

.pd-faq-item summary .pd-faq-chevron {
    transition: transform 0.25s;
    color: #94a3b8;
}

.pd-faq-item[open] summary .pd-faq-chevron {
    transform: rotate(180deg);
    color: var(--primary);
}

.pd-faq-body {
    padding: 0 1.25rem 1.15rem;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.65;
    border-top: 1px solid #f1f5f9;
}

/* Image zoom modal */
.pd-zoom-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 23, 42, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.pd-zoom-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.pd-zoom-backdrop img {
    max-width: 100%;
    max-height: 92vh;
    object-fit: contain;
    border-radius: 0.5rem;
}

.pd-zoom-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 999px;
    border: none;
    background: #fff;
    color: #0f172a;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--pd-shadow-soft);
}

@media (min-width: 1024px) {
    .pd-zoom-hint {
        display: none;
    }
}

.content-visibility-auto {
    content-visibility: auto;
    contain-intrinsic-size: auto 480px;
}

.hidden-media {
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: 0 !important;
    visibility: hidden !important;
}

.visible-media {
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 10 !important;
    visibility: visible !important;
}