/**
 * Apple Premium Template Styles
 * 
 * Premium Apple-style product page for peptide products.
 * 
 * @package Peptide_Chemical_Info
 * @since 2.0.0
 */

/* ===== CSS VARIABLES ===== */
:root {
    --pci-bg-primary: #0a1628;
    --pci-bg-secondary: #0d2137;
    --pci-accent: #4fd1c5;
    --pci-accent-dark: #00897b;
    --pci-accent-darker: #00695c;
    --pci-text-primary: #ffffff;
    --pci-text-secondary: rgba(255, 255, 255, 0.7);
    --pci-text-muted: rgba(255, 255, 255, 0.5);
    --pci-border: rgba(255, 255, 255, 0.1);
    --pci-border-accent: rgba(0, 150, 136, 0.3);
    --pci-card-bg: linear-gradient(135deg, rgba(0, 150, 136, 0.08) 0%, rgba(0, 96, 100, 0.05) 100%);
    --pci-font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --pci-font-heading: 'Outfit', sans-serif;
    --pci-radius-sm: 8px;
    --pci-radius-md: 12px;
    --pci-radius-lg: 18px;
    --pci-radius-xl: 24px;
    --pci-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --pci-shadow-md: 0 4px 24px rgba(0, 137, 123, 0.4);
    --pci-shadow-lg: 0 8px 32px rgba(0, 137, 123, 0.5);
    --pci-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== BODY BACKGROUND (prevents white flash on mobile) ===== */
body.single-product,
body.postid-product {
    background: #0a1628 !important;
    background: var(--pci-bg-primary) !important;
    color: var(--pci-text-primary);
}

body.single-product .site-header,
body.single-product .site-footer {
    background: transparent;
}

/* ===== RESET & BASE ===== */
.pci-apple-product {
    font-family: var(--pci-font-body);
    background: var(--pci-bg-primary);
    color: var(--pci-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.pci-apple-product *,
.pci-apple-product *::before,
.pci-apple-product *::after {
    box-sizing: border-box;
}

.pci-apple-product img {
    max-width: 100%;
    height: auto;
}

.pci-apple-product a {
    color: var(--pci-accent);
    text-decoration: none;
    transition: var(--pci-transition);
}

.pci-apple-product a:hover {
    color: var(--pci-text-primary);
}

/* Break out of .col-full constraint so hero background goes full-width */
.pci-apple-product {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

/* ===== HERO SECTION ===== */
.pci-product-hero {
    position: relative;
    display: flex;
    align-items: flex-start;
    background: linear-gradient(180deg, var(--pci-bg-primary) 0%, var(--pci-bg-secondary) 100%);
    overflow: hidden;
}

.pci-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 150, 136, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.pci-hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 60px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 10;
    width: 100%;
}

@media (max-width: 1024px) {
    .pci-hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 100px 30px 60px;
    }
}

/* ===== IMAGE SLIDER ===== */
.pci-product-gallery {
    position: relative;
    max-width: 550px;
    width: 100%;
}

@media (max-width: 1024px) {
    .pci-product-gallery {
        max-width: 100%;
    }
}

.pci-slider-container {
    position: relative;
    background: var(--pci-card-bg);
    border: 1px solid var(--pci-border-accent);
    border-radius: var(--pci-radius-xl);
    overflow: hidden;
    aspect-ratio: 1;
}

.pci-slider-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
}

.pci-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pci-slide-image {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    border-radius: var(--pci-radius-md);
}

.pci-slide-label {
    display: none;
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: var(--pci-radius-sm);
    font-size: 0.75rem;
    color: var(--pci-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--pci-border);
}

/* 3D Viewer Slide */
.pci-slide-3d {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.pci-viewer-3d {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.pci-viewer-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    background: rgba(10, 22, 40, 0.9);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--pci-border);
    z-index: 10;
}

.pci-viewer-btn {
    background: none;
    border: none;
    color: var(--pci-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--pci-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pci-viewer-btn:hover {
    background: rgba(79, 209, 197, 0.2);
    color: var(--pci-accent);
}

.pci-viewer-btn svg {
    width: 18px;
    height: 18px;
}

/* Slider Navigation Arrows */
.pci-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--pci-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--pci-transition);
    z-index: 20;
    color: var(--pci-text-primary);
}

.pci-slider-arrow:hover {
    background: rgba(79, 209, 197, 0.3);
    border-color: rgba(79, 209, 197, 0.5);
}

.pci-slider-arrow svg {
    width: 24px;
    height: 24px;
}

.pci-slider-arrow.pci-prev {
    left: 16px;
}

.pci-slider-arrow.pci-next {
    right: 16px;
}

.pci-slider-arrow.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* Slider Dots */
.pci-slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pci-slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    transition: var(--pci-transition);
    padding: 0;
}

.pci-slider-dot:hover {
    background: rgba(255, 255, 255, 0.4);
}

.pci-slider-dot.active {
    background: var(--pci-accent);
    width: 28px;
    border-radius: 5px;
}

/* Thumbnail Strip */
.pci-thumbnail-strip {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.pci-thumbnail {
    width: 70px;
    height: 70px;
    border-radius: var(--pci-radius-md);
    border: 2px solid var(--pci-border);
    background: rgba(0, 150, 136, 0.05);
    cursor: pointer;
    transition: var(--pci-transition);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.pci-thumbnail:hover {
    border-color: rgba(79, 209, 197, 0.5);
}

.pci-thumbnail.active {
    border-color: var(--pci-accent);
    background: rgba(79, 209, 197, 0.1);
}

.pci-thumbnail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.pci-thumbnail-3d {
    flex-direction: column;
    font-size: 0.6rem;
    color: var(--pci-accent);
    text-align: center;
    font-weight: 600;
}

.pci-thumbnail-3d svg {
    width: 24px;
    height: 24px;
    margin-bottom: 2px;
}

/* ===== PRODUCT INFO ===== */
.pci-product-info {
    position: relative;
    justify-self: center;
    width: min(100%, 500px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.pci-product-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 150, 136, 0.15);
    border: 1px solid var(--pci-border-accent);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pci-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pci-product-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--pci-accent);
    border-radius: 50%;
}

.pci-product-title {
    font-family: var(--pci-font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    color: var(--pci-text-primary);
}

.pci-product-subtitle {
    font-size: 1.2rem;
    color: var(--pci-text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
    max-width: 30ch;
}

/* Purity Badge */
.pci-purity-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(79, 209, 197, 0.3);
    border-radius: var(--pci-radius-md);
    padding: 16px 22px;
    margin-bottom: 2rem;
    width: min(100%, 430px);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
}

.pci-purity-value {
    font-family: var(--pci-font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--pci-accent);
    line-height: 1;
}

.pci-purity-label {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--pci-text-secondary);
}

.pci-purity-label strong {
    display: block;
    color: var(--pci-text-primary);
    font-weight: 600;
}

/* Price Section */
.pci-price-section {
    width: 100%;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pci-price-label {
    font-size: 0.9rem;
    color: var(--pci-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.28em;
    margin-bottom: 10px;
}

.pci-price-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pci-price-current {
    font-family: var(--pci-font-heading);
    font-size: clamp(3.4rem, 7vw, 4.8rem);
    font-weight: 800;
    color: var(--pci-text-primary);
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.pci-price-current .woocommerce-Price-amount {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
}

.pci-price-original {
    font-size: 1.1rem;
    color: var(--pci-text-muted);
    text-decoration: line-through;
}

.pci-price-savings {
    background: rgba(79, 209, 197, 0.2);
    color: var(--pci-accent);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Variant Section */
.pci-variant-section {
    width: 100%;
    margin-bottom: 1.5rem;
    border: none;
    background: none;
    padding: 0;
}

.pci-variant-group {
    width: 100%;
    margin-bottom: 1.5rem;
    border: none;
    background: none;
    padding: 0;
}

.pci-variant-label {
    font-size: 0.82rem;
    color: var(--pci-text-muted);
    margin-bottom: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.26em;
}

.pci-variant-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    gap: 14px;
    width: 100%;
}

.pci-variant-btn {
    background: linear-gradient(180deg, rgba(14, 31, 49, 0.92) 0%, rgba(10, 23, 37, 0.92) 100%);
    border: 1px solid var(--pci-border);
    color: var(--pci-text-primary);
    padding: 16px 18px;
    border-radius: 20px;
    font-family: var(--pci-font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pci-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 0;
    min-height: 96px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.pci-variant-btn:hover {
    background: linear-gradient(180deg, rgba(16, 42, 58, 0.96) 0%, rgba(12, 29, 45, 0.96) 100%);
    border-color: rgba(79, 209, 197, 0.32);
    transform: translateY(-1px);
}

.pci-variant-btn.active {
    background: linear-gradient(180deg, rgba(15, 57, 68, 0.98) 0%, rgba(12, 47, 56, 0.98) 100%);
    border-color: var(--pci-accent);
    color: var(--pci-accent);
    box-shadow: 0 0 0 1px rgba(79, 209, 197, 0.12), 0 14px 28px rgba(0, 137, 123, 0.18);
}

.pci-variant-price {
    font-size: 0.82rem;
    color: var(--pci-text-muted);
    font-weight: 400;
}

.pci-variant-btn.active .pci-variant-price {
    color: var(--pci-accent);
}

.pci-variant-btn .pci-variant-price,
.pci-variant-btn .pci-variant-price *,
.pci-variant-btn .woocommerce-Price-amount,
.pci-variant-btn .woocommerce-Price-amount *,
.pci-variant-btn .woocommerce-Price-currencySymbol,
.pci-add-to-cart .pci-btn-text,
.pci-add-to-cart .pci-btn-text *,
.pci-add-to-cart .pci-btn-loading,
.pci-add-to-cart .pci-btn-loading *,
.pci-add-to-cart svg,
.pci-add-to-cart svg *,
.pci-apple-product .pci-price-current ins,
.pci-apple-product .pci-price-current del,
.pci-apple-product .pci-price-current bdi,
.pci-apple-product .pci-price-current mark,
.pci-apple-product .pci-variant-price ins,
.pci-apple-product .pci-variant-price del,
.pci-apple-product .pci-variant-price bdi,
.pci-apple-product .pci-variant-price mark {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    outline: 0 !important;
    text-decoration: none !important;
}

/* Purchase Row */
.pci-purchase-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
    width: 100%;
    margin-bottom: 1.5rem;
}



.pci-quantity-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 116px;
    min-height: 56px;
    background: rgba(10, 24, 39, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    overflow: hidden;
}

.pci-qty-btn {
    background: none;
    border: none;
    color: var(--pci-text-primary);
    width: 46px;
    height: 56px;
    font-size: 1.4rem;
    cursor: pointer;
    transition: background 0.2s;
}

.pci-qty-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.pci-qty-input {
    width: 100%;
    background: none;
    border: none;
    color: var(--pci-text-primary);
    text-align: center;
    font-family: var(--pci-font-body);
    font-size: 1.1rem;
    font-weight: 600;
}

.pci-qty-input:focus {
    outline: none;
}

/* Hide number input spinners */
.pci-qty-input::-webkit-outer-spin-button,
.pci-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.pci-qty-input[type=number] {
    -moz-appearance: textfield;
}

/* Add to Cart Button */
.pci-add-to-cart {
    flex: 1;
    background: linear-gradient(135deg, var(--pci-accent-dark) 0%, var(--pci-accent-darker) 100%);
    border: none;
    color: var(--pci-text-primary);
    padding: 16px 36px;
    min-height: 56px;
    border-radius: 18px;
    font-family: var(--pci-font-body);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pci-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--pci-shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pci-add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: var(--pci-shadow-lg);
}

.pci-add-to-cart:active {
    transform: translateY(0);
}

.pci-add-to-cart svg {
    width: 20px;
    height: 20px;
}

.pci-add-to-cart.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Trust Row */
.pci-trust-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.pci-trust-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--pci-text-secondary);
}

.pci-trust-item svg {
    width: 16px;
    height: 16px;
    color: var(--pci-accent);
}

/* ===== CHEMICAL SECTION ===== */
.pci-chemical-section {
    background: var(--pci-bg-secondary);
    padding: 80px 60px;
}



.pci-section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.pci-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.pci-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 150, 136, 0.15);
    border: 1px solid var(--pci-border-accent);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--pci-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pci-section-title {
    font-family: var(--pci-font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--pci-text-primary);
}

.pci-section-subtitle {
    font-size: 1rem;
    color: var(--pci-text-secondary);
    max-width: 550px;
    margin: 0 auto;
}

/* Chemical Grid */
.pci-chem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.pci-chem-card {
    background: var(--pci-card-bg);
    border: 1px solid var(--pci-border-accent);
    border-radius: var(--pci-radius-md);
    padding: 22px;
    transition: var(--pci-transition);
}

.pci-chem-card:hover {
    border-color: rgba(0, 150, 136, 0.4);
    transform: translateY(-3px);
}

.pci-chem-card-wide {
    grid-column: span 2;
}

@media (max-width: 600px) {
    .pci-chem-card-wide {
        grid-column: span 1;
    }
}

.pci-chem-card-icon {
    width: 42px;
    height: 42px;
    background: rgba(79, 209, 197, 0.15);
    border-radius: var(--pci-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.pci-chem-card-icon svg {
    width: 20px;
    height: 20px;
    color: var(--pci-accent);
}

.pci-chem-card-label {
    font-size: 0.7rem;
    color: var(--pci-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.pci-chem-card-value {
    font-family: var(--pci-font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--pci-text-primary);
    word-break: break-all;
}

.pci-chem-card-value sub {
    font-size: 0.7em;
}

.pci-chem-card-value.pci-sequence,
.pci-chem-card-value.pci-iupac {
    font-size: 0.9rem;
    font-family: var(--pci-font-body);
    font-weight: 500;
    line-height: 1.5;
}

.pci-expandable-text {
    position: relative;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.pci-expandable-text.pci-is-collapsed {
    max-height: 9.2em;
}

.pci-expandable-text.pci-is-collapsed::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3.2em;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0) 0%, rgba(10, 22, 40, 0.92) 100%);
    pointer-events: none;
}

.pci-expand-toggle {
    margin-top: 10px;
    align-self: flex-start;
    background: rgba(79, 209, 197, 0.1);
    border: 1px solid rgba(79, 209, 197, 0.25);
    border-radius: 999px;
    color: var(--pci-accent);
    font-family: var(--pci-font-body);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--pci-transition);
}

.pci-expand-toggle:hover {
    background: rgba(79, 209, 197, 0.16);
    border-color: rgba(79, 209, 197, 0.38);
    color: var(--pci-text-primary);
}

.pci-pubchem-link {
    color: var(--pci-accent);
    text-decoration: underline;
}

.pci-pubchem-link:hover {
    color: var(--pci-text-primary);
}

/* ===== DESCRIPTION SECTION ===== */
.pci-description-section {
    background: var(--pci-bg-primary);
    padding: 80px 60px;
}



.pci-description-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

@media (max-width: 900px) {
    .pci-description-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }
}

.pci-description-content h3 {
    font-family: var(--pci-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--pci-text-primary);
}

.pci-description-content p {
    color: var(--pci-text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.75;
}

.pci-description-content ul,
.pci-description-content ol {
    color: var(--pci-text-secondary);
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.pci-description-content li {
    margin-bottom: 0.5rem;
}

/* COA Card */
.pci-coa-card {
    background: linear-gradient(135deg, rgba(0, 150, 136, 0.1) 0%, rgba(0, 96, 100, 0.08) 100%);
    border: 1px solid rgba(0, 150, 136, 0.2);
    border-radius: var(--pci-radius-lg);
    padding: 28px;
}

.pci-coa-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.pci-coa-icon {
    width: 50px;
    height: 50px;
    background: rgba(79, 209, 197, 0.15);
    border-radius: var(--pci-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pci-coa-icon svg {
    width: 24px;
    height: 24px;
    color: var(--pci-accent);
}

.pci-coa-title {
    font-family: var(--pci-font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pci-text-primary);
}

.pci-coa-subtitle {
    font-size: 0.85rem;
    color: var(--pci-text-muted);
}

.pci-coa-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.pci-coa-stat {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--pci-radius-sm);
    padding: 14px;
    text-align: center;
}

.pci-coa-stat-value {
    font-family: var(--pci-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pci-accent);
}

.pci-coa-stat-label {
    font-size: 0.7rem;
    color: var(--pci-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pci-coa-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--pci-border);
    color: var(--pci-text-primary);
    padding: 12px 20px;
    border-radius: var(--pci-radius-sm);
    font-family: var(--pci-font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pci-transition);
    text-decoration: none;
}

.pci-coa-download:hover {
    background: rgba(79, 209, 197, 0.15);
    border-color: var(--pci-border-accent);
    color: var(--pci-text-primary);
}

.pci-coa-download svg {
    width: 18px;
    height: 18px;
}

.pci-coa-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--pci-text-muted);
    padding: 12px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--pci-radius-sm);
}

/* ===== STICKY CART ===== */
.pci-sticky-cart {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--pci-border);
    padding: 14px 30px;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.pci-sticky-cart.visible {
    transform: translateY(0);
}

.pci-sticky-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.pci-sticky-product {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pci-sticky-image {
    width: 50px;
    height: 50px;
    border-radius: var(--pci-radius-sm);
    object-fit: cover;
}

.pci-sticky-info {
    display: flex;
    flex-direction: column;
}

.pci-sticky-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--pci-text-primary);
}

.pci-sticky-meta {
    font-size: 0.75rem;
    color: var(--pci-text-muted);
}

.pci-sticky-price {
    font-family: var(--pci-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pci-text-primary);
}

.pci-sticky-add-btn {
    background: linear-gradient(135deg, var(--pci-accent-dark) 0%, var(--pci-accent-darker) 100%);
    border: none;
    color: var(--pci-text-primary);
    padding: 14px 32px;
    border-radius: 999px;
    font-family: var(--pci-font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pci-transition);
    box-shadow: var(--pci-shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pci-sticky-add-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--pci-shadow-lg);
}

/* ===== ANIMATIONS ===== */
@keyframes pci-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pci-animate-in {
    animation: pci-fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.pci-delay-1 { animation-delay: 0.1s; }
.pci-delay-2 { animation-delay: 0.2s; }
.pci-delay-3 { animation-delay: 0.3s; }
.pci-delay-4 { animation-delay: 0.4s; }
.pci-delay-5 { animation-delay: 0.5s; }

/* ===== ERROR STATE ===== */
.pci-error {
    text-align: center;
    padding: 100px 20px;
    color: var(--pci-text-secondary);
    font-size: 1.2rem;
}

/* ===== WOOCOMMERCE OVERRIDES ===== */
.pci-apple-product .woocommerce-Price-amount {
    color: inherit;
}

.pci-apple-product .woocommerce-Price-currencySymbol {
    font-size: 0.7em;
    vertical-align: top;
    margin-right: 2px;
}

.pci-apple-product ins,
.pci-apple-product mark {
    background: transparent;
}

/* Suppress any WooCommerce default variation/add-to-cart form leaking through */
.pci-apple-product .woocommerce-variation-add-to-cart,
.pci-apple-product form.variations_form,
.pci-apple-product table.variations,
.pci-apple-product .single_add_to_cart_button {
    display: none !important;
}

/* Ensure purchase row items share the same visual language */
.pci-purchase-row .pci-quantity-selector,
.pci-purchase-row .pci-add-to-cart {
    height: 54px;
}

/* ===== MOBILE RESPONSIVE — FULL PRODUCT PAGE ===== */

/* Tablet: ≤ 1024px — already handled above (single-column grid) */

/* Small tablet / large phone */
@media (max-width: 768px) {
    .pci-product-hero {
        min-height: auto;
    }

    .pci-hero-container {
        padding: 64px 16px 32px;
        gap: 24px;
    }

    .pci-product-gallery {
        max-width: 100%;
        width: min(100%, 360px);
        margin: 0 auto;
    }

    .pci-slider-container {
        border-radius: var(--pci-radius-lg);
        max-width: 100%;
        margin: 0 auto;
    }

    .pci-slide-image {
        max-width: 91%;
        max-height: 91%;
    }

    .pci-slide-3d,
    .pci-viewer-3d {
        min-height: 340px;
    }

    .pci-viewer-controls {
        bottom: 14px;
        padding: 6px 12px;
        gap: 6px;
    }

    .pci-slider-arrow {
        width: 36px;
        height: 36px;
    }

    .pci-slider-arrow svg {
        width: 18px;
        height: 18px;
    }

    .pci-slider-arrow.pci-prev {
        left: 8px;
    }

    .pci-slider-arrow.pci-next {
        right: 8px;
    }

    .pci-thumbnail {
        width: 52px;
        height: 52px;
        padding: 5px;
    }

    .pci-product-info {
        width: 100%;
        max-width: 100%;
        text-align: center;
    }

    .pci-product-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .pci-product-title {
        font-size: clamp(2.2rem, 10vw, 3.4rem);
    }

    .pci-product-subtitle {
        font-size: 1rem;
        max-width: 32ch;
        margin-left: auto;
        margin-right: auto;
    }

    .pci-purity-badge {
        justify-content: center;
    }

    .pci-price-section {
        text-align: center;
    }

    .pci-price-row {
        justify-content: center;
    }

    .pci-variant-label {
        text-align: center;
    }

    .pci-variant-options {
        justify-content: center;
    }

    .pci-purity-badge {
        width: 100%;
        padding: 16px 18px;
        gap: 14px;
    }

    .pci-purity-value {
        font-size: 2rem;
    }

    .pci-price-current {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .pci-price-label {
        margin-bottom: 8px;
    }

    .pci-variant-btn {
        min-height: 72px;
        padding: 12px 10px;
        font-size: 0.94rem;
    }

    .pci-purchase-row {
        flex-direction: column;
        gap: 12px;
    }

    .pci-purchase-row .pci-quantity-selector {
        width: 100%;
    }

    .pci-purchase-row .pci-add-to-cart {
        width: 100%;
        min-height: 52px;
        padding: 14px 20px;
        font-size: 0.96rem;
    }

    .pci-purchase-row .pci-quantity-selector {
        flex: none;
        min-height: 52px;
    }

    .pci-trust-row {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
        border-top: none;
        padding-top: 0;
    }

    .pci-trust-item {
        font-size: 0.75rem;
        text-align: center;
        flex-direction: column;
    }

    /* Chemical section */
    .pci-chemical-section {
        padding: 50px 16px;
    }

    .pci-chem-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .pci-chem-card {
        padding: 16px;
    }

    .pci-chem-card-value {
        font-size: 1rem;
    }

    /* Description section */
    .pci-description-section {
        padding: 50px 16px;
    }

    .pci-description-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Sticky cart */
    .pci-sticky-container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .pci-sticky-price {
        font-size: 1.2rem;
    }

    .pci-sticky-add-btn {
        padding: 12px 24px;
        font-size: 0.85rem;
    }
}

/* Phone: ≤ 480px */
@media (max-width: 480px) {
    .pci-hero-container {
        padding: 56px 12px 24px;
        gap: 20px;
    }

    .pci-product-gallery {
        width: min(100%, 312px);
    }

    .pci-slider-container {
        border-radius: 18px;
    }

    .pci-slide-image {
        max-width: 94%;
        max-height: 94%;
    }

    .pci-slide-3d,
    .pci-viewer-3d {
        min-height: 312px;
    }

    .pci-product-title {
        font-size: clamp(2.4rem, 11vw, 3rem);
    }

    .pci-product-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .pci-purity-badge {
        gap: 10px;
        padding: 14px 14px;
    }

    .pci-purity-value {
        font-size: 1.75rem;
    }

    .pci-purity-label {
        font-size: 0.75rem;
    }

    .pci-price-current {
        font-size: clamp(2.9rem, 15vw, 3.8rem);
    }

    .pci-variant-label {
        font-size: 0.72rem;
    }

    .pci-variant-options {
        gap: 8px;
    }

    .pci-variant-btn {
        min-height: 74px;
        padding: 10px 8px;
        font-size: 0.88rem;
        border-radius: 16px;
    }

    .pci-variant-price {
        font-size: 0.74rem;
    }

    .pci-add-to-cart {
        font-size: 0.9rem;
        padding: 12px 18px;
        min-height: 50px;
        border-radius: 16px;
    }

    .pci-add-to-cart svg {
        width: 18px;
        height: 18px;
    }

    .pci-quantity-selector {
        border-radius: 16px;
    }

    .pci-qty-btn {
        width: 40px;
        height: 50px;
        font-size: 1.1rem;
    }

    .pci-qty-input {
        font-size: 0.95rem;
    }

    .pci-slider-arrow {
        width: 30px;
        height: 30px;
    }

    .pci-slider-arrow svg {
        width: 14px;
        height: 14px;
    }

    .pci-thumbnail {
        width: 44px;
        height: 44px;
        border-radius: 12px;
    }

    .pci-thumbnail-3d {
        font-size: 0.52rem;
    }

    .pci-thumbnail-3d svg {
        width: 16px;
        height: 16px;
    }

    .pci-slider-dots {
        gap: 6px;
        margin-top: 10px;
    }

    .pci-slider-dot {
        width: 8px;
        height: 8px;
    }

    .pci-slider-dot.active {
        width: 22px;
    }

    .pci-chem-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .pci-chem-card {
        padding: 12px;
    }

    .pci-chem-card-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 8px;
    }

    .pci-chem-card-icon svg {
        width: 16px;
        height: 16px;
    }

    .pci-chem-card-label {
        font-size: 0.6rem;
    }

    .pci-chem-card-value {
        font-size: 0.85rem;
    }

    .pci-section-title {
        font-size: 1.3rem;
    }

    .pci-section-badge {
        font-size: 0.65rem;
    }

    .pci-coa-card {
        padding: 20px;
        border-radius: var(--pci-radius-md);
    }

    .pci-coa-header {
        gap: 10px;
        margin-bottom: 14px;
    }

    .pci-coa-icon {
        width: 40px;
        height: 40px;
    }

    .pci-coa-title {
        font-size: 1.05rem;
    }

    .pci-coa-stat-value {
        font-size: 1.2rem;
    }

    .pci-trust-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    /* Bottom padding for sticky cart */
    .pci-apple-product {
        padding-bottom: 80px;
    }

    .pci-sticky-cart {
        padding: 10px 12px;
    }

    .pci-sticky-product {
        display: none;
    }

    .pci-sticky-container {
        justify-content: space-between;
    }

    .pci-sticky-price {
        font-size: 1.1rem;
    }

    .pci-sticky-add-btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }

    /* Viewer controls */
    .pci-viewer-controls {
        padding: 6px 10px;
        gap: 4px;
    }

    .pci-viewer-btn {
        padding: 4px;
    }

    .pci-viewer-btn svg {
        width: 16px;
        height: 16px;
    }
}

/* ===== CHECKOUT MOBILE FIXES ===== */
@media (max-width: 768px) {
    /* Fix shipping radio labels cut off */
    .wc-block-components-shipping-rates-control .wc-block-components-radio-control__option {
        padding-left: 40px !important;
        position: relative;
    }
    .wc-block-components-shipping-rates-control .wc-block-components-radio-control__input {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
    }
    .wc-block-components-shipping-rates-control .wc-block-components-radio-control__label {
        display: block;
        word-break: normal;
    }
}

/* ===== CART PAGE MOBILE FIXES ===== */
@media (max-width: 768px) {
    .woocommerce-cart .wp-block-woocommerce-cart {
        padding: 0 16px;
    }
    .wc-block-cart__items,
    .wc-block-cart-items {
        width: 100%;
    }
}


/* ============================================================
   CONSOLIDATED FROM MU-PLUGINS (Phase 1)
   Single product sizing previously in helix-template-force.php
   ============================================================ */

/* Hero container sizing */
.pci-hero-container { max-width: 1440px; padding: 100px 48px 80px; gap: 56px; }
.pci-chem-grid { max-width: 1400px; padding: 0 48px; }
.pci-section-container { max-width: 1400px; margin: 0 auto; padding: 0 48px; }
.pci-description-grid { max-width: 1400px; margin: 0 auto; padding: 0 48px; }
@media (min-width: 1024px) {
    .pci-product-gallery { flex: 0 0 480px; max-width: 480px; }
    .pci-product-info { flex: 1; }
}
.pci-chem-card-value sub {
    font-size: .7em; vertical-align: sub; color: #00897b;
}

/* Mobile single product */
@media (max-width: 768px) {
    .pci-product-info {
        text-align: center; display: flex; flex-direction: column; align-items: center;
    }
    .pci-product-badge { align-self: center; }
    .pci-product-title { text-align: center; }
    .pci-purity-badge { justify-content: center; align-self: center; }
    .pci-price-section { text-align: center; }
    .pci-purchase-row { justify-content: center; flex-wrap: wrap; }
    .pci-trust-row { justify-content: center; text-align: center; }
    .pci-add-to-cart { width: 100%; max-width: 400px; }
    .pci-section-header, .pci-chem-grid,
    .pci-section-container, .pci-description-grid { padding: 0 20px; }
    .pci-chem-grid { grid-template-columns: 1fr 1fr; }
    .pci-chem-card-wide { grid-column: span 2; }
    .pci-description-content { text-align: center; }
    .pci-product-gallery {
        display: flex; flex-direction: column; align-items: center;
    }
    .pci-hero-container { padding: 0 16px; gap: 24px; }
    .pci-sticky-container { justify-content: center; }
}

/* ============================================================
   QUANTITY INPUT — dark theme match
   ============================================================ */
.pci-apple-product .pci-quantity-selector input[type="number"],
.pci-apple-product .quantity input.qty,
.pci-apple-product input.qty,
.helix-storefront-shell .quantity input.qty,
body.single-product .quantity input.qty,
body.single-product input[type="number"].qty {
    background: var(--pci-bg-secondary, #0d2137) !important;
    color: #ffffff !important;
    border: 1px solid rgba(79,209,197,0.18) !important;
    border-radius: 8px !important;
    font-family: 'Outfit', sans-serif !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    text-align: center !important;
    -webkit-appearance: none !important;
    -moz-appearance: textfield !important;
    width: 56px !important;
    height: 44px !important;
    padding: 0 !important;
}
/* Hide spinner arrows */
.pci-apple-product input[type="number"]::-webkit-inner-spin-button,
.pci-apple-product input[type="number"]::-webkit-outer-spin-button,
body.single-product input[type="number"].qty::-webkit-inner-spin-button,
body.single-product input[type="number"].qty::-webkit-outer-spin-button {
    -webkit-appearance: none !important;
    margin: 0 !important;
}

/* Quantity wrapper — the +/- buttons */
.pci-apple-product .pci-quantity-selector,
.pci-apple-product .quantity,
body.single-product .quantity {
    display: inline-flex !important;
    align-items: center !important;
    background: rgba(255,255,255,0.03) !important;
    border: 1px solid rgba(79,209,197,0.12) !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    gap: 0 !important;
}

/* +/- buttons */
.pci-apple-product .pci-qty-btn,
.pci-apple-product .pci-quantity-selector button,
body.single-product .quantity button,
body.single-product .quantity .minus,
body.single-product .quantity .plus {
    background: transparent !important;
    color: rgba(255,255,255,0.6) !important;
    border: none !important;
    width: 44px !important;
    height: 44px !important;
    font-size: 20px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s !important;
}
.pci-apple-product .pci-qty-btn:hover,
.pci-apple-product .pci-quantity-selector button:hover,
body.single-product .quantity button:hover,
body.single-product .quantity .minus:hover,
body.single-product .quantity .plus:hover {
    color: #4fd1c5 !important;
    background: rgba(79,209,197,0.1) !important;
}

/* ============================================================
   RESEARCH USE ONLY — yellow bar under Add to Cart
   ============================================================ */
.mv-ruo-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #C6A664 0%, #D4B96E 50%, #C6A664 100%);
    color: #1a1a2e;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 10px 20px;
    border-radius: 10px;
    margin-top: 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    text-align: center;
}
.mv-ruo-bar svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

/* ============================================================
   LIGHT MODE OVERRIDES
   ============================================================ */

[data-theme="light"] .pci-apple-product,
[data-theme="light"] body.single-product,
[data-theme="light"] body.postid-product {
    --pci-bg-primary: #FFFFFF;
    --pci-bg-secondary: #F8F9FA;
    --pci-text-primary: #2F3B3B;
    --pci-text-secondary: #5A6A6A;
    --pci-text-muted: #8A9A9A;
    --pci-border: rgba(47, 59, 59, 0.1);
    --pci-border-accent: rgba(0, 140, 137, 0.3);
    --pci-card-bg: linear-gradient(135deg, rgba(0, 140, 137, 0.04) 0%, rgba(0, 140, 137, 0.02) 100%);
    --pci-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --pci-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --pci-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    background: #f8f9fa !important;
}

/* Gallery UI overlays — use translucent white in light mode */
[data-theme="light"] .pci-gallery-badge,
[data-theme="light"] .pci-purity-badge {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .pci-gallery-dots,
[data-theme="light"] .pci-slide-dots {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .pci-gallery-arrow,
[data-theme="light"] .pci-slide-arrow {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .pci-description-fade {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.95) 100%);
}

[data-theme="light"] .pci-sticky-overlay {
    background: rgba(255, 255, 255, 0.95);
}