/* ==========================================================================
   JA MARKET - Premium Product Detail CSS
   HTML5 + CSS3 (No Frameworks)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #FFFFFF;
    --text-color: #111827;
    --text-muted: #6B7280;
    --primary-color: #111827;
    --secondary-color: #4F46E5;
    --success-color: #22C55E;
    --whatsapp-color: #25D366;
    --border-color: #E5E7EB;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets specifically for this component to isolate from external frameworks */
.premium-pd-container {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    box-sizing: border-box;
}

.premium-pd-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* =========================================
   BREADCRUMB
   ========================================= */
.pd-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.pd-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.pd-breadcrumb .separator {
    font-size: 0.75rem;
}

.pd-breadcrumb .current {
    font-weight: 600;
    color: var(--text-color);
}

/* =========================================
   LAYOUT: GRID 55/45
   ========================================= */
.pd-layout {
    display: grid;
    grid-template-columns: 5.5fr 4.5fr;
    gap: 4rem;
    align-items: start;
}

/* =========================================
   LEFT COLUMN: GALLERY
   ========================================= */
.pd-gallery {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 6rem;
}

.pd-gallery-main {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background-color: #FAFAFA;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.pd-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
    cursor: zoom-in;
}

.pd-gallery-main:hover img {
    transform: scale(1.05);
}

.pd-badge-discount {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background-color: var(--primary-color);
    color: #FFF;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
    z-index: 10;
}

.pd-gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.pd-thumbnail {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.6;
}

.pd-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pd-thumbnail:hover, .pd-thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
}

/* =========================================
   RIGHT COLUMN: INFO
   ========================================= */
.pd-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pd-category {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.pd-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-color);
}

.pd-reviews {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pd-stars {
    color: #FBBF24;
    font-size: 1.25rem;
}

.pd-review-count {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.pd-pricing {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.pd-price-current {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.pd-price-old {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.pd-discount-percentage {
    background-color: var(--primary-color);
    color: #FFF;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pd-inventory {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.pd-inventory.in-stock { color: var(--success-color); }
.pd-inventory.low-stock { color: #EF4444; }

.pd-inventory-bar-container {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.pd-inventory-bar {
    height: 100%;
    background-color: var(--success-color);
    border-radius: 3px;
    width: 100%;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.pd-inventory-bar.low {
    background-color: #EF4444;
}

.pd-description-short {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 1rem 0;
}

/* =========================================
   VARIANTS & QUANTITY
   ========================================= */
.pd-variant-group {
    margin-bottom: 1.5rem;
}

.pd-variant-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.pd-size-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pd-size-btn {
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.pd-size-btn:hover {
    border-color: var(--text-color);
}

.pd-size-btn.active {
    border-color: var(--text-color);
    background-color: var(--text-color);
    color: #FFF;
}

.pd-quantity-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.pd-qty-btn {
    width: 40px;
    height: 48px;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
}

.pd-qty-btn:hover { background-color: #F3F4F6; }

.pd-qty-input {
    width: 50px;
    height: 48px;
    border: none;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    -moz-appearance: textfield;
}

.pd-qty-input::-webkit-outer-spin-button,
.pd-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.pd-form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

/* =========================================
   BUTTONS
   ========================================= */
.pd-btn {
    width: 100%;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.pd-btn-primary {
    background-color: var(--primary-color);
    color: #FFF;
}

.pd-btn-primary:hover {
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.pd-btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #3730A3);
    color: #FFF;
}

.pd-btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.pd-btn-whatsapp {
    background-color: transparent;
    color: var(--whatsapp-color);
    border: 1px solid var(--whatsapp-color);
}

.pd-btn-whatsapp:hover {
    background-color: var(--whatsapp-color);
    color: #FFF;
}

.pd-secondary-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.pd-btn-link {
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.pd-btn-link:hover { color: var(--text-color); }

/* =========================================
   BENEFITS
   ========================================= */
.pd-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.pd-benefit-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    background: #FAFAFA;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid transparent;
}

.pd-benefit-card:hover {
    background: #FFF;
    border-color: var(--border-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.pd-benefit-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #EEF2FF;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.pd-benefit-icon svg { width: 24px; height: 24px; }

.pd-benefit-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pd-benefit-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* =========================================
   TABS DESCRIPTION
   ========================================= */
.pd-tabs-section {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.pd-tabs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pd-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    text-align: left;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.pd-tab-btn svg { width: 20px; height: 20px; }

.pd-tab-btn:hover {
    background: #FAFAFA;
    color: var(--text-color);
}

.pd-tab-btn.active {
    background: #FFF;
    border-color: var(--border-color);
    color: var(--text-color);
    box-shadow: var(--shadow-soft);
}

.pd-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
    line-height: 1.8;
    color: var(--text-muted);
}

.pd-tab-content.active {
    display: block;
}

.pd-tab-content h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.pd-tab-content ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   RELATED PRODUCTS
   ========================================= */
.pd-related {
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.pd-related-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.pd-related-title {
    font-size: 1.875rem;
    font-weight: 700;
}

.pd-slider-nav {
    display: flex;
    gap: 0.5rem;
}

.pd-slider-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.pd-slider-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pd-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 2rem;
    scrollbar-width: none; /* Firefox */
}

.pd-slider::-webkit-scrollbar { display: none; } /* Chrome */

.pd-card {
    min-width: 280px;
    flex: 0 0 calc(25% - 1.5rem);
    scroll-snap-align: start;
    border-radius: var(--radius-lg);
    background: #FFF;
    border: 1px solid var(--border-color);
    padding: 1rem;
    transition: var(--transition);
    position: relative;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
}

.pd-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.pd-card-img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    background: #FAFAFA;
    object-fit: contain;
    margin-bottom: 1rem;
}

.pd-card-wishlist {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: #FFF;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.pd-card-wishlist:hover { color: #EF4444; }

.pd-card-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.pd-card-price {
    font-weight: 700;
    font-size: 1.25rem;
}

.pd-card-stars {
    color: #FBBF24;
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 1024px) {
    .pd-layout { gap: 2rem; }
    .pd-benefits { grid-template-columns: repeat(2, 1fr); }
    .pd-tabs-section { grid-template-columns: 1fr; gap: 2rem; }
    .pd-tabs-nav { flex-direction: row; overflow-x: auto; padding-bottom: 1rem; }
    .pd-tab-btn { flex: 0 0 auto; }
    .pd-card { flex: 0 0 calc(33.333% - 1.33rem); }
}

@media (max-width: 768px) {
    .pd-layout { grid-template-columns: 1fr; }
    .pd-gallery { position: relative; top: 0; }
    .pd-title { font-size: 2rem; }
    .pd-benefits { grid-template-columns: 1fr; }
    .pd-tabs-nav { flex-direction: column; }
    .pd-card { flex: 0 0 calc(70%); min-width: 250px; }
    .pd-gallery-main { aspect-ratio: 1; }
    .pd-gallery-thumbnails { gap: 0.5rem; }
}