/* ==========================================================================
   Bách Hóa Diệu Phát — Storefront sub-pages
   Bổ sung cho style.css: các trang danh mục, chi tiết, giỏ hàng, thanh toán,
   tài khoản, tin tức, khuyến mãi và liên hệ. Dùng lại token trong variables.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tiện ích dùng chung
   -------------------------------------------------------------------------- */
/*
 * A class that sets `display` outranks the UA rule behind the `hidden`
 * attribute, which would leave every hidden panel, row and template visible.
 * Toggling visibility with `hidden` is the pattern used throughout the pages,
 * so it has to win.
 */
[hidden] { display: none !important; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.section-heading {
    font-family: var(--font-title);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
    margin: 2.5rem 0 1.25rem;
}

.btn-primary-solid,
.btn-accent-solid,
.btn-outline-sm,
.btn-icon-outline,
.btn-text-danger,
.btn-icon-plain {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    line-height: 1.2;
    transition: background-color var(--transition-fast), color var(--transition-fast),
                border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-align: center;
}

.btn-primary-solid {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: 0.75rem 1.5rem;
}
.btn-primary-solid:hover { background: var(--color-primary-hover); }

.btn-accent-solid {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    padding: 0.75rem 1.5rem;
}
.btn-accent-solid:hover { background: var(--color-secondary-hover); }

.btn-outline-sm {
    background: var(--color-surface);
    color: var(--color-text-title);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
}
.btn-outline-sm:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-icon-outline {
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    flex-shrink: 0;
}
.btn-icon-outline:hover,
.btn-icon-outline.is-active {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-icon-plain {
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
}
.btn-icon-plain:hover { color: var(--color-danger); }

.btn-text-danger {
    background: none;
    color: var(--color-danger);
    padding: 0.5rem 0.25rem;
}
.btn-text-danger:hover { text-decoration: underline; }

.btn-block { width: 100%; }
.btn-sm { padding: 0.5rem 0.9rem; font-size: var(--font-size-xs); }

.btn-primary-solid[disabled],
.btn-accent-solid[disabled],
.btn-primary-solid.is-busy,
.is-disabled {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: bhdp-spin 0.7s linear infinite;
    display: inline-block;
}
@keyframes bhdp-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
    .spinner { animation-duration: 2s; }
    * { scroll-behavior: auto !important; }
}

/* Toast trạng thái */
.toast-notice.is-error { background: var(--color-danger); }
.toast-notice.is-success { background: var(--color-primary); }

/* Thông báo form & lỗi từng trường */
.client-form-alert {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    border: 1px solid transparent;
}
.client-form-alert.is-error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #b91c1c;
}
.client-form-alert.is-success {
    background: var(--color-primary-light);
    border-color: var(--color-primary-subtle);
    color: var(--color-primary-hover);
}

.field-error {
    display: block;
    margin-top: 0.35rem;
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

/* Trường nhập liệu */
.form-field { display: flex; flex-direction: column; margin-bottom: 1rem; }
.form-field label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-title);
    margin-bottom: 0.4rem;
}
.form-field input,
.form-field textarea,
.form-field select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.7rem 0.9rem;
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}
.form-field textarea { resize: vertical; }
.form-hint { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: 0.35rem; }
.required { color: var(--color-danger); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1rem;
}
.form-field-wide { grid-column: 1 / -1; }

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-weight-normal);
    cursor: pointer;
}
.checkbox-field input { width: auto; }

/* Bộ chọn số lượng */
.qty-stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}
.qty-stepper .qty-btn {
    width: 38px;
    height: 42px;
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
}
.qty-stepper .qty-btn:hover { background: var(--color-surface-muted); color: var(--color-primary); }
.qty-stepper .qty-input {
    width: 52px;
    height: 42px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    font-weight: var(--font-weight-semibold);
    -moz-appearance: textfield;
}
.qty-stepper .qty-input::-webkit-outer-spin-button,
.qty-stepper .qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* --------------------------------------------------------------------------
   2. Breadcrumbs, tiêu đề trang, trạng thái rỗng, phân trang
   -------------------------------------------------------------------------- */
.client-breadcrumbs {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: 0.75rem 0;
}
.breadcrumb-list { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.breadcrumb-item a:hover { color: var(--color-primary); }
.breadcrumb-item.is-current > span { color: var(--color-text-title); font-weight: var(--font-weight-semibold); }
.breadcrumb-sep { font-size: 0.65rem; opacity: 0.5; }

.client-page-header {
    background: linear-gradient(180deg, var(--color-primary-light), var(--color-bg));
    padding: 2rem 0 1.75rem;
    border-bottom: 1px solid var(--color-border-subtle);
}
.page-header-title {
    font-family: var(--font-title);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
}
.page-header-desc {
    margin-top: 0.5rem;
    max-width: 720px;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}
.page-header-meta {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.client-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
}
.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    display: grid;
    place-items: center;
    font-size: var(--font-size-xl);
}
.empty-state-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
    margin-bottom: 0.4rem;
}
.empty-state-message {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    max-width: 460px;
    margin: 0 auto 1.25rem;
}

.client-pagination { margin: 2rem 0 1rem; text-align: center; }
.pagination-list {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
}
.pagination-link {
    display: grid;
    place-items: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}
.pagination-link:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination-link.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}
.pagination-link.is-disabled { opacity: 0.45; pointer-events: none; }
.pagination-summary { margin-top: 0.75rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   3. Header: dropdown danh mục + menu từ CSDL
   -------------------------------------------------------------------------- */
.all-categories-wrap { position: relative; }

.header-category-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 60;
    min-width: 290px;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    display: none;
}
.all-categories-wrap.is-open .header-category-dropdown { display: block; }

.header-category-item a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.65rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}
.header-category-item a:hover { background: var(--color-primary-light); color: var(--color-primary-hover); }
.header-category-name { flex: 1; }
.header-category-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    background: var(--color-surface-muted);
    border-radius: var(--radius-full);
    padding: 0.1rem 0.5rem;
}



.footer-link-plain { color: var(--color-text-muted); }
.newsletter-feedback { margin-top: 0.5rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   4. Bổ sung cho thẻ sản phẩm
   -------------------------------------------------------------------------- */
/*
 * Nhãn "Hết hàng" đã có sẵn trong style.css (góc dưới phải, nền tối, blur).
 * Ở đây từng có một bản thứ hai đặt `top` — pages.css nạp sau nên cả `top` và
 * `bottom` cùng áp, làm nhãn giãn thành dải dọc gần hết chiều cao ảnh. Chỉ để
 * một định nghĩa duy nhất, bên style.css.
 */
.product-item-card.is-out-of-stock .product-thumb-img { opacity: 0.55; filter: grayscale(0.4); }
.product-review-count { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-left: 0.2rem; }
/* Đi cùng hàng với dãy sao, đẩy sang phải để không chen vào phần đánh giá. */
.product-info-sold {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}
.product-sold-count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
}
.star-empty { color: var(--color-border); }

.product-card-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border: 1px solid var(--color-primary-subtle);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}
.product-card-cta:hover { background: var(--color-primary); color: var(--color-text-inverse); }
.product-card-cta.is-options { background: var(--color-surface-muted); color: var(--color-text); border-color: var(--color-border); }
.product-card-cta.is-disabled { opacity: 0.55; pointer-events: none; }

.prod-action-btn.is-active { background: var(--color-danger); color: var(--color-text-inverse); }

.quickview-options-note {
    margin: 0.75rem 0;
    padding: 0.6rem 0.75rem;
    background: var(--color-secondary-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-secondary-hover);
}
.quickview-detail-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   5. Trang danh sách sản phẩm
   -------------------------------------------------------------------------- */
.catalog-section { padding: 1.5rem 0 3rem; }
.catalog-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
}

/* --------------------------------------------------------------------------
   Horizontal Category Scrolling Chips (Thanh trượt ngang danh mục)
   -------------------------------------------------------------------------- */
.catalog-category-chips-wrap {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.85rem 0;
    margin-bottom: 0.25rem;
}

.catalog-category-chips {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
}

.catalog-category-chips::-webkit-scrollbar {
    display: none;
}

.cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.cat-chip:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.cat-chip.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(7, 18, 140, 0.25);
}

.cat-chip-icon {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
}

.cat-chip-img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.cat-chip-count {
    font-size: 0.75rem;
    opacity: 0.85;
    background: rgba(0, 0, 0, 0.08);
    padding: 1px 7px;
    border-radius: var(--radius-full);
}

.cat-chip.is-active .cat-chip-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Quick Price Range Chips (Gợi ý khoảng giá dạng Chip)
   -------------------------------------------------------------------------- */
.quick-price-chips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}

.price-chip-btn {
    padding: 0.45rem 0.5rem;
    background: #f1f5f9;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
    color: #334155;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.price-chip-btn:hover {
    color: var(--color-primary);
    background: #e2e8f0;
}

.price-chip-btn.is-active {
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Main Sticky Filter Bar (Thanh công cụ lọc và sắp xếp)
   -------------------------------------------------------------------------- */
.catalog-mobile-filter-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 20;
    background: transparent;
    padding: 0.25rem 0;
    border: none;
    box-shadow: none;
}

.btn-mobile-filter-trigger {
    flex: 0 0 auto;
    width: auto;
    height: 38px;
    min-height: 38px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1rem;
    background: #f1f5f9;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-title);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-mobile-filter-trigger:hover,
.btn-mobile-filter-trigger.has-filter {
    background: var(--color-primary);
    color: #ffffff;
}

.filter-active-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    background: #ef4444;
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
}

.mobile-sort-form {
    flex: 0 0 auto;
    width: auto;
    margin: 0;
}

.mobile-sort-select-wrap {
    height: 38px;
    min-height: 38px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: #f1f5f9;
    border: none;
    border-radius: var(--radius-md);
    padding: 0 0.85rem;
    color: var(--color-text-muted);
}

.mobile-sort-select-wrap select {
    width: auto;
    height: 100%;
    background: transparent;
    border: none;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-title);
    outline: none;
    cursor: pointer;
}

@media (max-width: 991px) {
    .catalog-mobile-filter-bar {
        position: sticky;
        top: 70px;
        justify-content: stretch;
    }

    .btn-mobile-filter-trigger {
        flex: 1;
        width: 100%;
        height: 44px;
        min-height: 44px;
        font-size: 0.875rem;
    }

    .mobile-sort-form {
        flex: 1;
        width: 100%;
    }

    .mobile-sort-select-wrap {
        width: 100%;
        height: 44px;
        min-height: 44px;
    }

    .mobile-sort-select-wrap select {
        width: 100%;
        font-size: 0.85rem;
    }
}

/* --------------------------------------------------------------------------
   Bottom Sheet / Off-canvas Filter Drawer
   -------------------------------------------------------------------------- */
.catalog-filter-drawer-wrap {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    justify-content: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.catalog-filter-drawer-wrap.is-open {
    opacity: 1;
    visibility: visible;
}

.drawer-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(3px);
}

.drawer-panel {
    position: relative;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}

.catalog-filter-drawer-wrap.is-open .drawer-panel {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.drawer-header-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-title);
}

.drawer-header-title i {
    color: var(--color-primary);
}

.drawer-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.drawer-close-btn:hover {
    background: #ef4444;
    color: #ffffff;
}

.drawer-form {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.drawer-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-title);
    margin-bottom: 0.75rem;
}

.drawer-category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    /*
     * `stretch` mặc định kéo mọi item cao bằng item cao nhất cùng dòng — nút
     * "Tất cả" bị phình thành một khối dọc khi nằm cạnh nhóm danh mục đang mở.
     */
    align-items: flex-start;
}

.drawer-pill-label {
    display: inline-flex;
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.drawer-pill-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}

.drawer-pill {
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-full);
    background: #f1f5f9;
    border: none;
    font-size: 0.825rem;
    font-weight: 500;
    color: #334155;
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.drawer-pill-all {
    cursor: pointer;
    border: none;
    font-family: inherit;
    /* Đứng riêng một dòng trên đầu, không bị nhóm bên cạnh kéo cao. */
    flex: 0 0 auto;
    align-self: flex-start;
}

.drawer-pill:hover,
.drawer-pill.is-active,
.drawer-pill-checkbox:checked + .drawer-pill {
    background: var(--color-primary) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

.filter-check-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    width: 100%;
}

.filter-check-row input[type="checkbox"] {
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.filter-check-row .check-title {
    flex: 1;
}

.filter-check-row .check-title.is-active {
    font-weight: 600;
    color: var(--color-primary);
}

.filter-check-row img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.drawer-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.btn-drawer-reset {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    background: #f1f5f9;
    color: #475569;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-drawer-reset:hover {
    background: #e2e8f0;
    color: var(--color-text-title);
}

.btn-drawer-apply {
    flex: 2;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(7, 18, 140, 0.3);
    transition: all var(--transition-fast);
}

.btn-drawer-apply:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.catalog-sidebar { 
    display: flex; 
    flex-direction: column; 
    gap: 1.25rem; 
}

.catalog-sidebar .filter-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (max-width: 991px) {
    .catalog-sidebar {
        display: none !important;
    }

    .catalog-layout {
        display: block !important;
        grid-template-columns: 1fr !important;
    }

    .catalog-grid,
    .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
    }

    .catalog-toolbar {
        display: none !important;
    }

    .catalog-mobile-filter-bar {
        display: flex;
    }

    .drawer-panel {
        max-width: 100%;
        height: auto;
        max-height: 85vh;
        border-radius: 20px 20px 0 0;
        transform: translateY(100%);
    }

    .catalog-filter-drawer-wrap {
        align-items: flex-end;
    }

    .catalog-filter-drawer-wrap.is-open .drawer-panel {
        transform: translateY(0);
    }
}
.filter-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.filter-block-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
    margin-bottom: 0.95rem;
}

/* Tag chips cho box thương hiệu ở PC Sidebar */
.filter-brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.brand-tag-chip {
    display: inline-flex;
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.brand-tag-chip input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}

.brand-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-full);
    background: #f1f5f9;
    font-size: 0.785rem;
    font-weight: 500;
    color: #334155;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.brand-tag-pill img {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.brand-tag-count {
    font-size: 0.72rem;
    color: #64748b;
    background: rgba(0, 0, 0, 0.05);
    padding: 1px 5px;
    border-radius: var(--radius-full);
    margin-left: 2px;
}

.brand-tag-pill:hover {
    background: #e2e8f0;
    color: var(--color-primary);
    border-color: rgba(7, 18, 140, 0.2);
    transform: translateY(-1px);
}

.brand-tag-chip input[type="checkbox"]:checked + .brand-tag-pill,
.brand-tag-pill.is-active {
    background: var(--color-primary) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 2px 6px rgba(7, 18, 140, 0.25);
}

.brand-tag-chip input[type="checkbox"]:checked + .brand-tag-pill .brand-tag-count {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.25);
}

.brand-tag-chip input[type="checkbox"]:checked + .brand-tag-pill img {
    filter: brightness(0) invert(1);
}

.filter-category-list a,
.filter-brand-list a,
.sidebar-list a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.6rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}
.filter-category-list a:hover,
.filter-brand-list a:hover,
.sidebar-list a:hover { background: var(--color-surface-muted); }
.filter-category-list a.is-active,
.filter-brand-list a.is-active,
.sidebar-list a.is-active {
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    font-weight: var(--font-weight-semibold);
}
.filter-category-list a span:first-child,
.sidebar-list a span:first-child { flex: 1; }
.filter-brand-list a img { width: 26px; height: 26px; object-fit: contain; }
.filter-brand-list a span:nth-child(2) { flex: 1; }
.filter-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    background: var(--color-surface-muted);
    border-radius: var(--radius-full);
    padding: 0.1rem 0.5rem;
}

.filter-price-row { display: flex; align-items: center; gap: 0.5rem; }
.filter-price-row input {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.6rem;
    font-size: var(--font-size-sm);
}
.filter-price-sep { color: var(--color-text-muted); }
.filter-price-hint { margin: 0.6rem 0 0.9rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }
.filter-apply-btn { width: 100%; }

.catalog-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.25rem;
}
.catalog-toolbar-info { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.catalog-toolbar-info strong { color: var(--color-text-title); }
.catalog-keyword { margin-left: 0.35rem; }
.catalog-sort { display: flex; align-items: center; gap: 0.5rem; font-size: var(--font-size-sm); }
.catalog-sort select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.45rem 0.7rem;
    background: var(--color-surface);
}

.catalog-grid,
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.1rem;
}

/* --------------------------------------------------------------------------
   6. Trang chi tiết sản phẩm
   -------------------------------------------------------------------------- */
.product-detail-section { padding: 2rem 0 3rem; }
.product-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 2rem;
    align-items: start;
}

.product-gallery { position: sticky; top: 1rem; }
.gallery-main {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
}
.gallery-main-img { width: 100%; height: 100%; object-fit: contain; }
.gallery-discount-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
}
.gallery-thumbs { display: flex; gap: 0.6rem; margin-top: 0.85rem; flex-wrap: wrap; }
.gallery-thumb {
    width: 76px;
    height: 76px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
    padding: 0.2rem;
}
.gallery-thumb.is-active { border-color: var(--color-primary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }

.product-info-brand {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}
.product-info-title {
    font-family: var(--font-title);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
    line-height: 1.3;
}
.product-info-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin: 0.75rem 0 1rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.product-rating-inline { display: inline-flex; align-items: center; gap: 0.2rem; }
.product-rating-inline .rating-value { margin-left: 0.4rem; }
.product-rating-inline a { color: var(--color-primary); text-decoration: underline; }

.product-info-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.75rem;
    padding: 1rem 1.2rem;
    background: var(--color-secondary-light);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}
.product-info-price .price-now {
    font-family: var(--font-title);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-price);
}
.product-info-price .price-was { text-decoration: line-through; color: var(--color-text-muted); }
.product-info-price .price-off {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    padding: 0.15rem 0.6rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
}
.product-info-summary { color: var(--color-text-muted); margin-bottom: 1.25rem; }

.product-options { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.25rem; }
.option-group-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}
.option-group-label strong { color: var(--color-text-title); }
.option-values { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.option-value-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}
.option-value-btn:hover { border-color: var(--color-primary); }
.option-value-btn.is-selected {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    font-weight: var(--font-weight-semibold);
}
.option-swatch {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(15, 23, 42, 0.12);
}

.product-stock-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-bottom: 1.1rem;
}
.product-stock-line.is-unavailable { color: var(--color-danger); }

.product-buy-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.btn-add-cart, .btn-buy-now { flex: 1 1 160px; min-height: 44px; }

.product-assurance {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border-subtle);
}
.product-assurance li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.product-assurance i { color: var(--color-primary); }

/* Tabs mô tả / đánh giá */
.product-tabs { margin-top: 2.5rem; }
.product-tab-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.product-tab-btn {
    padding: 0.75rem 1.15rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
}
.product-tab-btn.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.product-tab-panel { display: none; padding: 1.5rem 0; }
.product-tab-panel.is-active { display: block; }

.product-rich-text { color: var(--color-text); line-height: 1.75; max-width: 900px; }
.product-rich-text h2,
.product-rich-text h3 {
    font-family: var(--font-title);
    color: var(--color-text-title);
    margin: 1.5rem 0 0.6rem;
    font-size: var(--font-size-md);
}
.product-rich-text p { margin-bottom: 0.9rem; }
.product-rich-text ul { list-style: disc; padding-left: 1.25rem; margin-bottom: 1rem; }
.product-rich-text li { margin-bottom: 0.4rem; }
.product-rich-text img { border-radius: var(--radius-lg); margin: 1rem 0; }

/* Đánh giá */
.reviews-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 2rem; align-items: start; }
.reviews-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
}
.reviews-average {
    display: block;
    font-family: var(--font-title);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
}
.reviews-average-label { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.reviews-distribution { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.reviews-distribution li { display: flex; align-items: center; gap: 0.5rem; font-size: var(--font-size-xs); }
.dist-score { width: 26px; color: var(--color-text-muted); }
.dist-bar { flex: 1; height: 6px; border-radius: var(--radius-full); background: var(--color-surface-muted); overflow: hidden; }
.dist-fill { display: block; height: 100%; background: var(--color-accent); }
.dist-count { width: 22px; text-align: right; color: var(--color-text-muted); }

.reviews-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.review-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.2rem;
}
.review-head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.review-author { font-weight: var(--font-weight-semibold); color: var(--color-text-title); }
.review-date { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-left: auto; }
.review-comment { color: var(--color-text); font-size: var(--font-size-sm); }

.review-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}
.review-form-title { font-size: var(--font-size-md); font-weight: var(--font-weight-bold); color: var(--color-text-title); }
.review-form-note { font-size: var(--font-size-xs); color: var(--color-text-muted); margin: 0.4rem 0 1rem; }
.review-rating-picker { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.review-rating-option { cursor: pointer; }
.review-rating-option input { position: absolute; opacity: 0; }
.review-rating-option span {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}
.review-rating-option input:checked + span {
    border-color: var(--color-accent);
    background: #fffbeb;
    color: #b45309;
    font-weight: var(--font-weight-semibold);
}
.review-guest-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 1rem; }

.related-products { margin-top: 3rem; }

/* --------------------------------------------------------------------------
   7. Giỏ hàng, thanh toán, kết quả đơn, tra cứu
   -------------------------------------------------------------------------- */
.cart-section, .checkout-section, .tracking-section, .wishlist-section { padding: 2rem 0 3rem; }

.cart-loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.cart-layout, .checkout-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 1.75rem;
    align-items: start;
}

.cart-table {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.cart-row {
    display: grid;
    grid-template-columns: minmax(0, 3fr) 130px 150px 130px 48px;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.1rem;
    border-bottom: 1px solid var(--color-border-subtle);
}
.cart-row:last-child { border-bottom: none; }
.cart-row-head {
    background: var(--color-surface-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}
.cart-cell-product { display: flex; align-items: center; gap: 0.85rem; }
.cart-thumb {
    width: 68px;
    height: 68px;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}
.cart-thumb img { width: 100%; height: 100%; object-fit: contain; }
.cart-product-text { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.cart-product-name { font-weight: var(--font-weight-semibold); color: var(--color-text-title); font-size: var(--font-size-sm); }
.cart-product-name:hover { color: var(--color-primary); }
.cart-product-variant, .cart-product-sku { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.cart-line-warning { font-size: var(--font-size-xs); color: var(--color-danger); }
.cart-price, .cart-line-total { font-weight: var(--font-weight-semibold); color: var(--color-text-title); }
.cart-line-total { color: var(--color-text-price); }

.cart-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.cart-summary, .checkout-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    position: sticky;
    top: 1rem;
}
.cart-summary-title, .checkout-block-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-title);
    margin-bottom: 1rem;
}

.summary-lines { display: flex; flex-direction: column; gap: 0.6rem; margin: 1rem 0; }
.summary-line { display: flex; justify-content: space-between; gap: 1rem; font-size: var(--font-size-sm); }
.summary-line dt { color: var(--color-text-muted); }
.summary-line dd { font-weight: var(--font-weight-semibold); color: var(--color-text-title); }
.summary-total {
    padding-top: 0.7rem;
    border-top: 1px dashed var(--color-border);
    font-size: var(--font-size-base);
}
.summary-total dd { color: var(--color-text-price); font-size: var(--font-size-md); }
.summary-note { font-size: var(--font-size-xs); color: var(--color-text-muted); margin: 0.75rem 0; }
.summary-note a { color: var(--color-primary); text-decoration: underline; }

.cart-suggestions { margin-top: 3rem; }

/* Checkout */
.checkout-main { display: flex; flex-direction: column; gap: 1.25rem; }
.checkout-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
}
.checkout-signin-hint {
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary-subtle);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.9rem;
    font-size: var(--font-size-sm);
    color: var(--color-primary-hover);
    margin-bottom: 1rem;
}
.checkout-signin-hint a { text-decoration: underline; font-weight: var(--font-weight-semibold); }
.checkout-warning { font-size: var(--font-size-sm); color: var(--color-danger); }

/* Checkout VAT Invoice Request */
.checkout-invoice-toggle-wrapper {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
}
.checkout-invoice-toggle-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}
.checkout-invoice-toggle-label:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.checkout-invoice-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}
.checkout-invoice-checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border: 2px solid #cbd5e1;
    border-radius: 4px;
    background: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.checkout-invoice-checkbox:checked + .checkout-invoice-checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.checkout-invoice-checkbox:checked + .checkout-invoice-checkbox-custom::after {
    content: '';
    width: 5px;
    height: 10px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}
.checkout-invoice-toggle-label:has(.checkout-invoice-checkbox:checked) {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.checkout-invoice-text-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.checkout-invoice-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-title);
}
.checkout-invoice-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.checkout-invoice-box {
    margin-top: 0.25rem;
    border-radius: var(--radius-md);
    animation: fadeIn 0.25s ease-out;
}
.checkout-invoice-fields-inner {
    padding: 1rem 1.15rem;
    background: #f8fafc;
    border: 1px solid var(--color-primary-subtle);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.saved-address-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; }
.saved-address-card {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
    padding: 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--font-size-sm);
}
.saved-address-card:hover { border-color: var(--color-primary); }
.saved-address-card.is-selected { border-color: var(--color-primary); background: var(--color-primary-light); }
.saved-address-name { font-weight: var(--font-weight-semibold); color: var(--color-text-title); }
.saved-address-phone, .saved-address-text { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.saved-address-default {
    align-self: flex-start;
    margin-top: 0.3rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    padding: 0.1rem 0.5rem;
}

.payment-method-list { display: flex; flex-direction: column; gap: 0.75rem; }
.payment-method-option {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.payment-method-option:hover { border-color: var(--color-primary); }
.payment-method-option:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-light); }
.payment-method-body { display: flex; flex-direction: column; gap: 0.2rem; }
.payment-method-name { font-weight: var(--font-weight-semibold); color: var(--color-text-title); font-size: var(--font-size-sm); }
.payment-method-desc { font-size: var(--font-size-xs); color: var(--color-text-muted); }

.checkout-items { display: flex; flex-direction: column; gap: 0.6rem; padding-bottom: 1rem; border-bottom: 1px dashed var(--color-border); }
.checkout-item { display: flex; gap: 0.6rem; align-items: flex-start; font-size: var(--font-size-sm); }
.checkout-item-qty {
    flex-shrink: 0;
    min-width: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}
.checkout-item-text { flex: 1; display: flex; flex-direction: column; }
.checkout-item-name { color: var(--color-text-title); }
.checkout-item-variant { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.checkout-item-total { font-weight: var(--font-weight-semibold); white-space: nowrap; }

.voucher-box { margin: 1rem 0; }
.voucher-box label { display: block; font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); margin-bottom: 0.4rem; }
.voucher-input-row { display: flex; gap: 0.5rem; }
.voucher-input-row input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.55rem 0.75rem;
    text-transform: uppercase;
}
.voucher-feedback { margin-top: 0.5rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }
.voucher-feedback.is-success { color: var(--color-primary); }
.voucher-feedback.is-error { color: var(--color-danger); }

/* Danh sách mã đang phát hành trong khung thanh toán */
.voucher-offers {
    margin-top: 1rem;
    padding-top: 0.9rem;
    border-top: 1px dashed var(--color-border);
}
.voucher-offers-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-title);
    margin-bottom: 0.65rem;
}
.voucher-offers-count {
    display: inline-grid;
    place-items: center;
    min-width: 20px;
    height: 20px;
    padding: 0 0.35rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
}

.voucher-offer-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.voucher-offer {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.7rem 0.8rem;
    background: var(--color-surface);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.voucher-offer.is-applied {
    border-style: solid;
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
/* Chưa đạt đơn tối thiểu: vẫn đọc được điều kiện, chỉ mờ đi và tắt nút. */
.voucher-offer.is-locked { opacity: 0.62; }

.voucher-offer-main {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}
.voucher-offer-headline {
    font-family: var(--font-title);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-hover);
}
.voucher-offer-code {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.05em;
    color: var(--color-text-title);
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    padding: 0.1rem 0.4rem;
}

.voucher-offer-terms {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.voucher-offer-terms li::before { content: '• '; color: var(--color-primary); }

.voucher-offer-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.55rem;
}
.voucher-offer-btn { padding: 0.35rem 0.8rem; font-size: var(--font-size-xs); }
.voucher-offer-btn[disabled] { opacity: 0.55; pointer-events: none; }
.voucher-offer-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: right;
}
.voucher-offer.is-applied .voucher-offer-hint { color: var(--color-primary-hover); }

/* Kết quả đơn hàng & tra cứu */
.order-result-section { padding: 3rem 0; }
.order-result-card {
    max-width: 720px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
    text-align: center;
}
.order-result-icon { font-size: 3rem; color: var(--color-primary); margin-bottom: 0.75rem; }
.order-result-title { font-family: var(--font-title); font-size: var(--font-size-2xl); color: var(--color-text-title); }
.order-result-lead { color: var(--color-text-muted); margin: 0.6rem auto 1.5rem; max-width: 520px; }
.order-result-number {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-lg);
    background: var(--color-primary-light);
    border: 1px dashed var(--color-primary-subtle);
    margin-bottom: 1.75rem;
}
.order-result-number span { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.order-result-number strong { font-family: var(--font-title); font-size: var(--font-size-lg); color: var(--color-primary-hover); }
.order-result-lookup { text-align: left; max-width: 520px; margin: 0 auto; font-size: var(--font-size-sm); color: var(--color-text-muted); }
.order-lookup-form, .tracking-form { display: flex; gap: 0.5rem; margin-top: 0.6rem; flex-wrap: wrap; }
.order-lookup-form input {
    flex: 1;
    min-width: 200px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.85rem;
}
.order-result-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-top: 1.75rem; }

.tracking-card {
    max-width: 640px;
    margin: 0 auto 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
}
.tracking-form { flex-direction: column; }
.tracking-hint { margin-top: 1rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }
.tracking-hint a { color: var(--color-primary); text-decoration: underline; }

.order-detail-box {
    max-width: 760px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: left;
}
.order-detail-lines { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.25rem; }
.order-detail-line { display: flex; gap: 1rem; font-size: var(--font-size-sm); }
.order-detail-line dt { min-width: 140px; color: var(--color-text-muted); }
.order-detail-line dd { font-weight: var(--font-weight-medium); color: var(--color-text-title); }

.order-items { display: flex; flex-direction: column; gap: 0.5rem; padding: 1rem 0; border-top: 1px dashed var(--color-border); }
.order-item-row { display: flex; gap: 0.75rem; align-items: flex-start; font-size: var(--font-size-sm); }
.order-item-qty { min-width: 30px; font-weight: var(--font-weight-bold); color: var(--color-primary); }
.order-item-text { flex: 1; display: flex; flex-direction: column; }
.order-item-variant { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.order-item-total { font-weight: var(--font-weight-semibold); white-space: nowrap; }

/* Yêu thích */
.wishlist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.wishlist-card {
    display: flex;
    gap: 0.9rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.9rem;
}
.wishlist-thumb { width: 90px; height: 90px; flex-shrink: 0; border-radius: var(--radius-md); overflow: hidden; }
.wishlist-thumb img { width: 100%; height: 100%; object-fit: contain; }
.wishlist-body { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.wishlist-name { font-weight: var(--font-weight-semibold); color: var(--color-text-title); font-size: var(--font-size-sm); }
.wishlist-price { color: var(--color-text-price); font-weight: var(--font-weight-bold); }
.wishlist-actions { display: flex; gap: 0.5rem; margin-top: auto; align-items: center; }

/* --------------------------------------------------------------------------
   8. Tin tức
   -------------------------------------------------------------------------- */
.posts-section, .post-article { padding: 2rem 0 3rem; }
.posts-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1.75rem; align-items: start; }

.post-featured {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 1.75rem;
}
.post-featured-media { display: block; aspect-ratio: 4 / 3; background: var(--color-surface-muted); }
.post-featured-media img { width: 100%; height: 100%; object-fit: contain; }
.post-featured-body { padding: 1.5rem 1.5rem 1.5rem 0; display: flex; flex-direction: column; gap: 0.7rem; }
.post-featured-title { font-family: var(--font-title); font-size: var(--font-size-lg); color: var(--color-text-title); line-height: 1.35; }
.post-featured-title a:hover, .post-card-title a:hover { color: var(--color-primary); }
.post-featured-summary { color: var(--color-text-muted); font-size: var(--font-size-sm); }

.post-chip {
    align-self: flex-start;
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}
.post-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: var(--font-size-xs); color: var(--color-text-muted); }

.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; }
.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.post-card-media { aspect-ratio: 16 / 10; background: var(--color-surface-muted); }
.post-card-media img { width: 100%; height: 100%; object-fit: contain; }
.post-card-body { padding: 1rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.post-card-title { font-size: var(--font-size-base); font-weight: var(--font-weight-bold); color: var(--color-text-title); line-height: 1.4; }
.post-card-summary { font-size: var(--font-size-sm); color: var(--color-text-muted); }

.posts-sidebar, .post-article-side { display: flex; flex-direction: column; gap: 1.25rem; }
.sidebar-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.15rem;
}
.sidebar-title { font-size: var(--font-size-base); font-weight: var(--font-weight-bold); color: var(--color-text-title); margin-bottom: 0.85rem; }
.sidebar-search { display: flex; gap: 0.5rem; }
.sidebar-search input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.55rem 0.75rem;
}
.sidebar-search button {
    width: 42px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}
.sidebar-cta p { font-size: var(--font-size-sm); color: var(--color-text-muted); margin-bottom: 0.9rem; }

.post-article-header { max-width: 860px; margin: 0 auto 1.5rem; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.post-article-title { font-family: var(--font-title); font-size: var(--font-size-2xl); color: var(--color-text-title); line-height: 1.25; }
.post-article-cover {
    max-width: 960px;
    margin: 0 auto 2rem;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}
.post-article-cover img { width: 100%; max-height: 420px; object-fit: contain; }
.post-article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2rem; align-items: start; }
.post-article-lead { font-size: var(--font-size-md); color: var(--color-text-title); font-weight: var(--font-weight-medium); margin-bottom: 1.25rem; }
.post-related { margin-top: 3rem; }

/* --------------------------------------------------------------------------
   9. Khuyến mãi & liên hệ
   -------------------------------------------------------------------------- */
.promotions-section { padding: 2rem 0 3rem; }
.promotions-vouchers-grid {
    margin-bottom: 3rem !important;
}
.promotions-deals-grid,
.promotions-section .catalog-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.1rem;
}

@media (max-width: 1200px) {
    .promotions-deals-grid,
    .promotions-section .catalog-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .promotions-deals-grid,
    .promotions-section .catalog-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.9rem;
    }
}

@media (max-width: 640px) {
    .promotions-deals-grid,
    .promotions-section .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }
}

@media (max-width: 420px) {
    .promotions-deals-grid,
    .promotions-section .catalog-grid {
        grid-template-columns: 1fr;
    }
}

.promotions-cta { margin-top: 1.5rem; text-align: center; }

.contact-section { padding: 2rem 0 3rem; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: start; }
.contact-info-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.75rem; }
.contact-info-list li { display: flex; gap: 0.85rem; font-size: var(--font-size-sm); color: var(--color-text); }
.contact-info-list a:hover { color: var(--color-primary); }
.contact-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: grid;
    place-items: center;
}
.contact-cta-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}
.contact-cta-box h3 { font-size: var(--font-size-base); color: var(--color-text-title); margin-bottom: 0.4rem; }
.contact-cta-box p { font-size: var(--font-size-sm); color: var(--color-text-muted); margin-bottom: 0.9rem; }
.contact-form-wrap {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

/* --------------------------------------------------------------------------
   10. Đăng nhập / đăng ký / tài khoản
   -------------------------------------------------------------------------- */
.auth-section { padding: 3rem 0; }
.auth-card {
    max-width: 460px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
}
.auth-title { font-family: var(--font-title); font-size: var(--font-size-xl); color: var(--color-text-title); }
.auth-lead { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0.5rem 0 1.5rem; }
.auth-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.25rem;
    font-size: var(--font-size-sm);
    text-align: center;
    color: var(--color-text-muted);
}
.auth-links a { color: var(--color-primary); font-weight: var(--font-weight-semibold); }
.auth-links a:hover { text-decoration: underline; }
.auth-guest-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-subtle);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}
.auth-guest-note a { color: var(--color-primary); text-decoration: underline; }

.account-section { padding: 2rem 0 3rem; }
.account-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 1.75rem; align-items: start; }
.account-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    position: sticky;
    top: 1rem;
}
.account-identity { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; text-align: center; padding-bottom: 1.25rem; border-bottom: 1px solid var(--color-border-subtle); }
.account-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    display: grid;
    place-items: center;
    font-family: var(--font-title);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}
.account-name { font-weight: var(--font-weight-bold); color: var(--color-text-title); }
.account-email { font-size: var(--font-size-xs); color: var(--color-text-muted); word-break: break-all; }

.account-nav { display: flex; flex-direction: column; gap: 0.25rem; margin-top: 1rem; }
.account-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-align: left;
    width: 100%;
}
.account-nav-btn:hover { background: var(--color-surface-muted); }
.account-nav-btn.is-active { background: var(--color-primary-light); color: var(--color-primary-hover); font-weight: var(--font-weight-semibold); }
.account-nav-btn.is-danger { color: var(--color-danger); }
.account-nav-btn i { width: 18px; text-align: center; }

.account-panel { display: none; }
.account-panel.is-active { display: block; }
.account-subheading { font-size: var(--font-size-base); font-weight: var(--font-weight-bold); color: var(--color-text-title); margin-bottom: 0.85rem; }
.account-hint { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0.75rem 0; }
.account-hint a { color: var(--color-primary); text-decoration: underline; }

.account-orders { display: flex; flex-direction: column; gap: 1rem; }
.account-order-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.account-order-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.15rem;
    background: var(--color-surface-muted);
    font-size: var(--font-size-sm);
}
.account-order-number { font-family: var(--font-title); font-weight: var(--font-weight-bold); color: var(--color-text-title); }
.account-order-date { color: var(--color-text-muted); font-size: var(--font-size-xs); }
.account-order-status {
    margin-left: auto;
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}
.account-order-status.status-completed { background: var(--color-primary-light); color: var(--color-primary-hover); border-color: var(--color-primary-subtle); }
.account-order-status.status-processing { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.account-order-status.status-pending { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.account-order-status.status-cancelled { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.account-order-items { padding: 0.9rem 1.15rem; display: flex; flex-direction: column; gap: 0.5rem; }
.account-order-foot {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.15rem;
    border-top: 1px dashed var(--color-border);
    font-size: var(--font-size-sm);
}
.account-order-total { font-weight: var(--font-weight-bold); color: var(--color-text-price); }

/* Dòng hóa đơn GTGT — chỉ xuất hiện với đơn có yêu cầu, nên không chiếm
   chỗ trên các đơn thường và bố cục thẻ đơn giữ nguyên. */
.account-order-invoice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0.6rem 1.15rem;
    border-top: 1px dashed var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.account-order-invoice i { color: var(--color-primary); }

.account-addresses { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.address-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    font-size: var(--font-size-sm);
}
.address-card-default {
    align-self: flex-start;
    margin-bottom: 0.35rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    padding: 0.1rem 0.5rem;
}
.address-card-name { font-weight: var(--font-weight-semibold); color: var(--color-text-title); }
.address-card-phone, .address-card-text { color: var(--color-text-muted); font-size: var(--font-size-xs); }
.address-card-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }

.address-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
}
.address-form-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.profile-lines { display: flex; flex-direction: column; gap: 0.75rem; }
.profile-line { display: flex; gap: 1rem; font-size: var(--font-size-sm); }
.profile-line dt { min-width: 140px; color: var(--color-text-muted); }
.profile-line dd { color: var(--color-text-title); font-weight: var(--font-weight-medium); }

/* --------------------------------------------------------------------------
   11. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .catalog-layout { grid-template-columns: 240px minmax(0, 1fr); }
    .cart-layout, .checkout-layout { grid-template-columns: minmax(0, 1fr) 300px; }
}

@media (max-width: 992px) {
    .catalog-layout,
    .cart-layout,
    .checkout-layout,
    .posts-layout,
    .post-article-layout,
    .account-layout,
    .contact-layout,
    .reviews-layout,
    .product-detail-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .product-gallery, .cart-summary, .checkout-summary, .account-sidebar { position: static; }

    .post-featured { grid-template-columns: minmax(0, 1fr); }
    .post-featured-body { padding: 0 1.25rem 1.5rem; }


}

@media (max-width: 768px) {
    .catalog-grid,
    .related-grid,
    .vouchers-grid-custom,
    .arrivals-products-grid,
    .recent-products-grid,
    .recently-viewed-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
    }

    .recent-item,
    .recently-item,
    .arrivals-grid-item {
        min-width: 0 !important;
        width: 100% !important;
    }

    .cart-row { grid-template-columns: minmax(0, 1fr) auto; row-gap: 0.6rem; }
    .cart-row-head { display: none; }
    .cart-cell-product { grid-column: 1 / -1; }
    .cart-cell[data-label]::before {
        content: attr(data-label) ': ';
        font-size: var(--font-size-xs);
        color: var(--color-text-muted);
        margin-right: 0.35rem;
    }
    .cart-cell-remove { justify-self: end; }

    .form-grid { grid-template-columns: minmax(0, 1fr); }
    .voucher-card { grid-template-columns: minmax(0, 1fr); }

    /*
     * Two rows instead of a column of stretched blocks: số lượng + "Thêm vào
     * giỏ" + tim trên một hàng, "Mua ngay" hàng dưới.
     *
     * Grid, not `flex-direction: column` — with a column the desktop rule
     * `flex: 1 1 160px` reads 160px as a *height*, which is what turned these
     * buttons into giant blocks.
     */
    .product-buy-row {
        display: grid;
        grid-template-columns: auto auto minmax(0, 1fr);
        align-items: stretch;
        gap: 0.6rem;
    }
    /*
     * Số lượng và nút tim dồn về bên trái: góc phải là chỗ của cụm nút liên hệ
     * nổi (hotline/Zalo/Messenger), đặt control bấm được ở đó sẽ bị che.
     */
    .product-buy-row .qty-stepper { grid-area: 1 / 1; }
    .product-buy-row .btn-icon-outline { grid-area: 1 / 2; width: 44px; }
    .product-buy-row .btn-add-cart { grid-area: 2 / 1 / 3 / 4; }
    .product-buy-row .btn-buy-now { grid-area: 3 / 1 / 4 / 4; }
    .btn-add-cart, .btn-buy-now { flex: none; min-height: 46px; padding: 0.7rem 1rem; }

    .order-detail-line, .profile-line { flex-direction: column; gap: 0.15rem; }
    .order-detail-line dt, .profile-line dt { min-width: 0; }
}

@media (max-width: 560px) {
    .catalog-grid,
    .related-grid,
    .vouchers-grid-custom,
    .arrivals-products-grid,
    .recent-products-grid,
    .recently-viewed-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
    }
    .page-header-title { font-size: var(--font-size-xl); }
    .product-info-price .price-now { font-size: var(--font-size-xl); }
    .auth-card, .contact-form-wrap, .order-result-card { padding: 1.25rem; }
}

/* --------------------------------------------------------------------------
   12. Trang nội dung CMS (Page)
   -------------------------------------------------------------------------- */
.cms-page-section { padding: 2rem 0 3.5rem; }

.cms-page-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
}
.cms-page-content h1 {
    font-family: var(--font-title);
    font-size: var(--font-size-2xl);
    color: var(--color-text-title);
    line-height: 1.25;
    margin-bottom: 1.25rem;
}
.cms-page-content h2 {
    font-size: var(--font-size-lg);
    margin-top: 2rem;
}
.cms-page-content ul { list-style: disc; padding-left: 1.4rem; }
.cms-page-content > *:first-child { margin-top: 0; }

@media (max-width: 560px) {
    .cms-page-content { padding: 1.35rem; }
}

/* --------------------------------------------------------------------------
   13. Chiến dịch flash sale (section Top Deal)
   -------------------------------------------------------------------------- */
.deals-subtitle {
    margin-top: 0.35rem;
    max-width: 620px;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Hết giờ: đồng hồ mờ đi trong lúc chờ tải lại trang, lúc đó server đã coi
   chiến dịch là kết thúc và section sẽ không còn. */
.deals-countdown-wrap.is-ended {
    opacity: 0.5;
    filter: grayscale(1);
}

@media (max-width: 560px) {
    .deals-subtitle { font-size: var(--font-size-xs); }
}


/* Dải lượn trên thẻ voucher: tô bằng currentColor để CSS quyết định màu,
   thay vì ghim mã màu vào file Blade. */
.voucher-wave-fill {
    color: var(--color-success-light);
}



/* Pill của danh mục gốc trong ngăn kéo: đậm hơn để phân biệt với cấp 2. */
.drawer-pill.is-root {
    font-weight: var(--font-weight-bold);
    border-color: var(--color-primary-subtle);
}


/* ==========================================================================
   Bộ lọc catalogue — accordion, chip đang chọn, sidebar sticky
   ========================================================================== */

/* --- Sidebar sticky, nhưng chỉ cao bằng khung nhìn rồi tự cuộn phần trong.
       Sticky cả một sidebar dài 1200px thì chẳng dính được gì. --- */
.catalog-sidebar {
    position: sticky;
    top: calc(var(--header-height, 72px) + 1.25rem);
    max-height: calc(100vh - var(--header-height, 72px) - 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}
.catalog-sidebar::-webkit-scrollbar { width: 6px; }
.catalog-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.filter-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.65rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid var(--color-border);
}
.filter-head-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.filter-clear-all {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}
.filter-clear-all:hover { text-decoration: underline; }

.filter-selected { padding: 0.5rem 0 0.75rem; }
.filter-selected-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.filter-chip-row { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.22rem 0.5rem 0.22rem 0.6rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-subtle);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}
.filter-chip i { font-size: 0.7em; opacity: 0.7; }
.filter-chip:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}
.filter-chip:hover i { opacity: 1; }

/* --- Accordion từng nhóm --- */
.filter-group { border-bottom: 1px solid var(--color-border); }
.filter-group:last-child { border-bottom: 0; }

/* h2 chỉ để giữ bậc heading; mọi kiểu dáng nằm ở nút bên trong. */
.filter-group-heading {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.filter-group-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.8rem 0;
    background: none;
    border: 0;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}
.filter-group-name { flex: 1; }
.filter-group-badge {
    min-width: 1.35rem;
    padding: 0 0.3rem;
    border-radius: var(--radius-full);
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-align: center;
}
.filter-group-badge.is-on {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}
.filter-group-chevron {
    font-size: 0.75em;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}
.filter-group.is-open .filter-group-chevron { transform: rotate(180deg); }

.filter-group-body { display: none; padding-bottom: 0.9rem; }
.filter-group.is-open > .filter-group-body { display: block; }

/* --- Danh mục cha / con --- */
.filter-parent + .filter-parent { margin-top: 0.15rem; }

.filter-parent-head {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0;
}
.filter-parent-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
    cursor: pointer;
}
.filter-parent-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.filter-parent-name.is-active { color: var(--color-primary); }

.filter-parent-toggle {
    flex-shrink: 0;
    width: 1.6rem;
    height: 1.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
}
.filter-parent-toggle:hover { background: var(--color-surface-muted); }
.filter-parent-toggle i { font-size: 0.7rem; transition: transform var(--transition-fast); }
.filter-parent.is-open .filter-parent-toggle i { transform: rotate(180deg); }

/* Chỉ nhóm đang mở mới hiện danh mục con — mở hết cả thì sidebar dài vô tận. */
.filter-child-list { display: none; margin: 0.1rem 0 0.35rem 1.55rem; }
.filter-parent.is-open .filter-child-list { display: block; }
.filter-parent:not(.is-open) .filter-show-more { display: none; }

.filter-child-list .check-title { font-size: var(--font-size-xs); }
.filter-child-list li.is-extra { display: none; }
.filter-child-list.show-all li.is-extra { display: block; }

.filter-show-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0.15rem 0 0.4rem 1.55rem;
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
}
.filter-show-more:hover { text-decoration: underline; }
.filter-show-more i { font-size: 0.65em; }
.filter-show-more.is-done { display: none; }

/* --- Thương hiệu: có ô tìm, mặc định chỉ 5 dòng --- */
.brand-search-wrap {
    position: relative;
    margin-bottom: 0.5rem;
}
.brand-search-wrap > i {
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    pointer-events: none;
}
.brand-search-input {
    width: 100%;
    padding: 0.45rem 0.6rem 0.45rem 1.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
}
.brand-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
}
.filter-brand-list li.is-extra { display: none; }
.filter-brand-list.show-all li.is-extra { display: block; }
.filter-brand-list li.is-filtered-out { display: none !important; }
.brand-search-empty {
    margin: 0.35rem 0 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.filter-brand-list .check-title { font-size: var(--font-size-xs); }

.filter-apply-btn { margin-top: 0.5rem; width: 100%; }

/* --- Hàng chip lọc phía trên lưới sản phẩm --- */
.catalog-active-filters {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
    padding: 0.6rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.catalog-active-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
}
.catalog-active-count {
    min-width: 1.25rem;
    padding: 0 0.28rem;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    text-align: center;
}
.catalog-active-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex: 1;
    min-width: 0;
}
.catalog-active-clear {
    flex-shrink: 0;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    white-space: nowrap;
}
.catalog-active-clear:hover { text-decoration: underline; }

/* --- Ngăn kéo mobile: cha là khối gập, con là chip bên trong --- */
.drawer-cat-group {
    /*
     * Mỗi nhóm chiếm trọn một dòng. Trước đây chúng là flex item chen cùng
     * dòng với nhau và với nút "Tất cả", nên khi một nhóm mở ra thì các nhóm
     * bên cạnh bị kéo cao theo và rộng hẹp không đều — nhìn như mấy cái
     * dropdown lệch cỡ.
     */
    flex: 0 0 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.drawer-cat-group.is-open { border-color: var(--color-primary-subtle); }

.drawer-cat-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.7rem;
    background: var(--color-surface-muted);
}
.drawer-cat-group.is-open .drawer-cat-head { background: var(--color-primary-light); }
.drawer-cat-check { display: flex; align-items: center; gap: 0.55rem; flex: 1; min-width: 0; }
.drawer-cat-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}
.drawer-cat-name.is-active { color: var(--color-primary); }
.drawer-cat-count { font-weight: var(--font-weight-normal); color: var(--color-text-muted); }
.drawer-cat-toggle {
    flex-shrink: 0;
    width: 1.9rem;
    height: 1.9rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
}
.drawer-cat-toggle i { transition: transform var(--transition-fast); }
.drawer-cat-group.is-open .drawer-cat-toggle i { transform: rotate(180deg); }

.drawer-cat-children {
    display: none;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.65rem 0.7rem 0.75rem;
}
.drawer-cat-group.is-open .drawer-cat-children { display: flex; }
.drawer-cat-children .drawer-pill-label.is-extra { display: none; }
.drawer-cat-children.show-all .drawer-pill-label.is-extra { display: inline-flex; }
.drawer-show-more { margin: 0.2rem 0 0; flex-basis: 100%; }

@media (max-width: 991px) {
    /* Sidebar desktop ẩn trên mobile, nên bỏ sticky để không chiếm chỗ. */
    .catalog-sidebar {
        position: static;
        max-height: none;
        overflow: visible;
    }

    /* Hàng chip cuộn ngang thay vì xuống dòng, giữ chiều cao ổn định. */
    .catalog-active-filters {
        align-items: flex-start;
        flex-wrap: wrap;
    }
    .catalog-active-chips {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 0.15rem;
    }
    .catalog-active-chips::-webkit-scrollbar { display: none; }
}


/* Ô nhập giá là input[type=number]; mũi tăng/giảm của trình duyệt làm nó
   trông như một dropdown nhỏ. Bỏ đi, khách gõ số trực tiếp. */
.filter-price-row input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}
.filter-price-row input[type="number"]::-webkit-outer-spin-button,
.filter-price-row input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   GIÁ THEO SỐ LƯỢNG & LIÊN HỆ MUA SỈ
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Bảng bậc giá trên trang chi tiết ────────────────────────────────── */
.quantity-tiers {
    margin: 1rem 0 1.25rem;
    padding: 0.875rem 1rem;
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary-subtle);
    border-radius: var(--radius-lg);
}

.tier-title {
    margin: 0 0 0.625rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
}

.tier-title i { margin-right: 0.375rem; }

.tier-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

/*
 * Lưới hai cột thay vì flex.
 *
 * Với flex, nhãn "Mua từ 24 chai" bị ngắt giữa số và đơn vị khi cột hẹp — đọc
 * thành "Mua từ 24" / "chai" ở hai dòng, với giá chen vào giữa. Grid cho nhãn
 * một cột co giãn và giá một cột tự vừa, nên nhãn chỉ xuống dòng khi thật sự
 * cần và luôn xuống nguyên cụm.
 */
.tier-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 0.125rem 0.75rem;
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
}

/* Mức đang được áp: tô rõ để khách biết mình đang ở đâu trong bảng */
.tier-row.is-active {
    background: var(--color-surface);
    box-shadow: var(--shadow-xs);
    font-weight: 600;
}

.tier-row.is-active .tier-price { color: var(--color-text-price); }

.tier-label {
    color: var(--color-text);
    /* Cho phép ô co lại trong grid thay vì đẩy cột giá ra ngoài. */
    min-width: 0;
}

.tier-price {
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    text-align: right;
}

/* Chú thích quy đổi nằm trọn dòng dưới, sát mép trái với nhãn. */
.tier-equivalent {
    grid-column: 1 / -1;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.tier-hint {
    margin: 0.75rem 0 0;
    padding-top: 0.625rem;
    border-top: 1px dashed var(--color-primary-subtle);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
}

.tier-hint.is-best { color: var(--color-success); }

/* Đang Flash Sale: khối này thay hẳn bảng bậc, không hiện cùng lúc */
.tier-suppressed {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
}

.tier-contact-link {
    padding: 0;
    background: none;
    border: 0;
    font: inherit;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
}

.tier-contact-link:hover { color: var(--color-primary-hover); }

.wholesale-nudge {
    margin: 0.5rem 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ── Ô chọn đơn vị cạnh bộ đếm số lượng ──────────────────────────────── */
/*
 * Bộ đếm + ô đơn vị là MỘT khối.
 *
 * Trước đây hai thứ này rời nhau, lại còn một nhãn "Đơn vị" chen vào giữa (class
 * `.visually-hidden` không tồn tại trong theme nên nó hiện ra thật). Khách nhìn
 * thấy ba mảnh rời và không nối được "số 2" với "lốc".
 */
.qty-group {
    display: inline-flex;
    align-items: stretch;
    gap: 0;
}

/* Bo góc chỉ ở hai đầu ngoài, để hai phần dính liền thành một control. */
.qty-group .qty-stepper {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.qty-unit-select {
    min-height: 2.75rem;
    padding: 0 2rem 0 0.75rem;
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-left: 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-title);
    cursor: pointer;

    /* Mũi tên riêng: mũi tên mặc định của trình duyệt lệch pha với phần còn lại. */
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 0.9rem;
}

.qty-unit-select:focus {
    outline: none;
    border-color: var(--color-border-focus);
}

.qty-unit-select[hidden] { display: none; }

/* Chú thích "1 lốc = 6 bịch · bạn đang chọn 12 bịch" */
.qty-unit-note {
    margin: 0.5rem 0 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.qty-unit-note[hidden] { display: none; }

/* ── Nhãn trên thẻ sản phẩm ──────────────────────────────────────────── */
.product-tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.375rem;
    padding: 0.125rem 0.5rem;
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
}

/* Phong bì xếp dưới trái tim ở góc trái card */
.prod-action-btn.action-wholesale { top: 3rem; }

/* ── Dòng giỏ hàng ───────────────────────────────────────────────────── */
.cart-price-was {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.cart-line-tier {
    display: inline-block;
    margin-top: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.cart-line-tier.is-wholesale {
    background: var(--color-success-light);
    color: #047857;
}

.cart-line-tier.is-flash {
    background: var(--color-secondary-light);
    color: var(--color-secondary);
}

.cart-line-tier.is-hint {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.cart-product-pack {
    display: block;
    margin-top: 0.125rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ── Modal hỏi giá số lượng lớn ──────────────────────────────────────── */
.wholesale-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.wholesale-modal[hidden] { display: none; }

.wholesale-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
}

.wholesale-modal-panel {
    position: relative;
    width: 100%;
    max-width: 34rem;
    /* Cuộn bên trong panel để form dài vẫn dùng được trên màn hình thấp */
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.wholesale-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.wholesale-modal-title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-text-title);
}

.wholesale-modal-close {
    padding: 0.25rem 0.5rem;
    background: none;
    border: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    cursor: pointer;
}

.wholesale-form { padding: 1.25rem; }

.wholesale-product {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
}

.wholesale-product-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.wholesale-product-name {
    margin: 0;
    font-weight: 600;
    color: var(--color-text-title);
}

.wholesale-product-price {
    margin: 0.125rem 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-price);
}

.wholesale-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.wholesale-quantity-note {
    margin: -0.25rem 0 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.wholesale-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.625rem;
    margin-top: 1rem;
}

.wholesale-form-note {
    margin: 0.75rem 0 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Khóa cuộn nền khi modal mở */
body.has-modal-open { overflow: hidden; }

@media (max-width: 575.98px) {
    .wholesale-form-row { grid-template-columns: 1fr; }
    .wholesale-modal-panel { max-height: calc(100vh - 1rem); }
    /* Màn hẹp: giá xuống dòng riêng, canh trái cho thẳng hàng với nhãn. */
    .tier-row { grid-template-columns: 1fr; }
    .tier-price { text-align: left; }
}