/* ══════════════════════════════════════════
   Product Detail Page  –  estore_product.css v4
   Palette: landing.css CSS variables
   ══════════════════════════════════════════ */

/* ── Page wrapper ── */
.pd-wrapper {
    max-width: 1240px;
    margin: 2rem auto 4rem;
    padding: 0 1.25rem;
    font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── Breadcrumb ── */
.pd-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.pd-breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.pd-breadcrumb-sep {
    font-size: 0.7rem;
    color: var(--text-light);
    opacity: 0.6;
}

/* ── Two-column grid ── */
.pd-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
    margin-bottom: 2.5rem;
}

/* ── Gallery column ── */
.pd-gallery-card {
    background: #fff;
    border: 1px solid var(--gray);
    border-radius: 18px;
    padding: 1.2rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 6rem;
}

.pd-main-image {
    position: relative;
    text-align: center;
    margin-bottom: 1rem;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-light);
}

.pd-main-img {
    width: 100%;
    height: 380px;
    object-fit: contain;
    border-radius: 12px;
    background: var(--gray-light);
    display: block;
    transition: opacity 0.2s ease;
}

/* Carousel buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(29, 78, 95, 0.75);
    color: #fff;
    border: none;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    font-size: 0.9rem;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    backdrop-filter: blur(4px);
}

.carousel-btn:hover { background: var(--secondary); }
.carousel-btn.prev { left: 0.6rem; }
.carousel-btn.next { right: 0.6rem; }

/* Thumbnails */
.pd-thumbnails {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
    margin-top: 0.75rem;
}

.pd-thumbnails::-webkit-scrollbar { height: 5px; }
.pd-thumbnails::-webkit-scrollbar-track { background: transparent; }
.pd-thumbnails::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }

.pd-thumbnail {
    flex: 0 0 auto;
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.18s;
    opacity: 0.75;
}

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

/* No image placeholder */
.pd-no-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--text-light);
    gap: 0.75rem;
}

.pd-no-image i { font-size: 3.5rem; opacity: 0.3; }

/* ── Info column ── */
.pd-info-col {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.pd-category-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--secondary-light);
    background: rgba(44, 107, 128, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    width: fit-content;
}

.pd-title {
    font-family: "Playfair Display", serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.2;
    margin: 0;
}

.pd-price-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pd-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: #1a3a5e;
    letter-spacing: 0.01em;
}

/* Stock pills (shared with product list) */
.stock-pill {
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.3rem 0.65rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.stock-pill.in-stock  { background: #e6f6ee; color: #197a4f; }
.stock-pill.preorder  { background: #fff4dd; color: #8a6113; }
.stock-pill.out-stock { background: #fdebea; color: #b34040; }

.pd-sku {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.pd-short-desc {
    color: var(--text-dark);
    font-size: 0.97rem;
    line-height: 1.65;
    margin: 0;
}

.pd-divider {
    border: none;
    border-top: 1px solid var(--gray);
    margin: 0.25rem 0;
}

/* Variant selector */
.pd-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}

.pd-label i { margin-right: 0.35rem; color: var(--secondary-light); }

.pd-select {
    width: 100%;
    padding: 0.65rem 2rem 0.65rem 0.85rem;
    border: 1.5px solid #d7ccc0;
    border-radius: 10px;
    font-size: 0.95rem;
    background: #fdfaf8;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%235b6b70' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.1rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pd-select:focus {
    border-color: var(--secondary-light);
    box-shadow: 0 0 0 3px rgba(44, 107, 128, 0.12);
    background-color: #fff;
}

/* Quantity row */
.pd-qty-row { display: flex; flex-direction: column; gap: 0.4rem; }

.pd-qty-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pd-qty-btn {
    width: 2.2rem;
    height: 2.2rem;
    border: 1.5px solid var(--secondary);
    background: transparent;
    color: var(--secondary);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    line-height: 1;
}

.pd-qty-btn:hover {
    background: var(--secondary);
    color: #fff;
}

.pd-qty-input {
    width: 70px;
    padding: 0.5rem 0.5rem;
    border: 1.5px solid #d7ccc0;
    border-radius: 8px;
    font-size: 1rem;
    text-align: center;
    outline: none;
    transition: border-color 0.2s;
}

.pd-qty-input:focus {
    border-color: var(--secondary-light);
    box-shadow: 0 0 0 3px rgba(44, 107, 128, 0.1);
}

.pd-qty-hint {
    font-size: 0.83rem;
    color: var(--text-light);
}

/* Cart action buttons */
.pd-cart-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.4rem;
}

.pd-add-btn {
    flex: 1;
    min-width: 160px;
    justify-content: center;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 1rem;
    padding: 0.7rem 1.8rem;
}

/* Cart compact button (reuses estore.css .btn-cart-compact) */
.btn-cart-compact {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.1rem;
    background: transparent;
    border: 2px solid var(--secondary);
    color: var(--secondary) !important;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-cart-compact:hover {
    background: var(--secondary);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Add-to-cart feedback message */
.pd-cart-msg {
    margin-top: 0.6rem;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pd-cart-msg--success {
    background: #e6f6ee;
    color: #197a4f;
    border: 1px solid #b6e5cc;
}

.pd-cart-msg--error {
    background: #fdebea;
    color: #b34040;
    border: 1px solid #f5c2c0;
}

/* Tags */
.pd-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.25rem;
}

.pd-tag {
    font-size: 0.78rem;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    background: rgba(91, 143, 163, 0.12);
    color: var(--secondary);
    font-weight: 500;
    border: 1px solid rgba(91, 143, 163, 0.25);
}

/* Shipping */
.pd-shipping {
    font-size: 0.87rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
}

.pd-shipping i { color: var(--secondary-light); }

/* ── Accordion / Details section ── */
.pd-details-section {
    margin-bottom: 2.5rem;
}

.pd-section-title {
    font-family: "Playfair Display", serif;
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

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

.pd-accordion-item {
    background: #fff;
    border: 1px solid var(--gray);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.pd-accordion-head {
    padding: 0.9rem 1.2rem;
    font-weight: 600;
    font-size: 0.97rem;
    color: var(--secondary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    user-select: none;
    transition: background 0.15s;
}

.pd-accordion-head::-webkit-details-marker { display: none; }
.pd-accordion-head::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-light);
    transition: transform 0.2s;
}

details.pd-accordion-item[open] .pd-accordion-head::after {
    transform: rotate(180deg);
}

.pd-accordion-head:hover { background: var(--gray-light); }
.pd-accordion-head i { color: var(--secondary-light); }

.pd-accordion-body {
    padding: 0.9rem 1.2rem 1rem;
    font-size: 0.93rem;
    color: var(--text-dark);
    line-height: 1.7;
    border-top: 1px solid var(--gray);
    white-space: pre-line;
}

/* ── Related products ── */
.pd-related-section {
    margin-bottom: 2.5rem;
}

.pd-related-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.pd-related-grid .product-thumb {
    height: 110px;
}

.pd-related-grid .product-card h2 {
    font-size: 0.88rem;
    margin-top: 0.5rem;
    margin-bottom: 0.2rem;
}

.pd-related-grid .product-price {
    font-size: 0.9rem;
}

.pd-related-grid .product-card {
    padding: 0.6rem;
}

/* ── Back link row ── */
.pd-back-row {
    margin-top: 1rem;
}

/* ══ Responsive ══ */
@media (max-width: 860px) {
    .pd-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pd-gallery-card {
        position: static;
    }

    .pd-main-img {
        height: 280px;
    }

    .pd-title {
        font-size: 1.55rem;
    }

    .pd-price {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .pd-add-btn {
        flex: 1 1 100%;
    }

    .pd-cart-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-cart-compact {
        justify-content: center;
    }
}