/* ============================================================
   PDP Body — Tab Nav + Content Sections
   Load DUY NHẤT trên máy in (printer / printer-color).
   Không dùng chung với mực in — xem pdp-cartridge.css.
   ============================================================ */

html { scroll-behavior: smooth; }


/* ─── Tab Nav (sticky) ──────────────────────────────────────── */
.tabnav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-surface-base, #fff);
    border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
    margin-top: var(--s-8, 2rem);
}

/* WP admin bar chiếm 32px trên desktop; ẩn trên mobile nhưng class vẫn còn */
.admin-bar .tabnav {
    top: 32px;
}
@media screen and (max-width: 600px) {
    .admin-bar .tabnav {
        top: 0;
    }
}

.tabnav__list {
    display: flex;
    gap: var(--s-1, 0.25rem);
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
    margin: 0;
    padding: 0;
}

.tabnav__list::-webkit-scrollbar { display: none; }

.tabnav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2, 0.5rem);
    padding: var(--s-4, 1rem);
    font-size: var(--fs-sm, 0.875rem);
    font-weight: 600;
    color: var(--color-text-muted, #4b5563);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: color 0.15s;
}

.tabnav__link:hover {
    color: var(--color-text-primary, #111);
    text-decoration: none;
}

.tabnav__link.is-active {
    color: var(--color-brand-primary, #dd3333);
    border-bottom-color: var(--color-brand-primary, #dd3333);
}

.tabnav__count {
    background: var(--color-surface-sunken, #f2f4f7);
    color: var(--color-text-subtle, #6b7280);
    font-size: var(--fs-xs, 0.75rem);
    padding: 1px 7px;
    border-radius: var(--radius-pill, 999px);
    font-weight: 700;
}

/* ─── PDP Description wrapper ───────────────────────────────── */
.pdp-description { margin-bottom: var(--s-8, 2rem); }
.pdp-description__function { padding-top: 20px; }

.pdp-description a {
    color: var(--color-brand-primary, #dd3333);
    text-decoration: none;
}

.pdp-description a:hover {
    text-decoration: underline;
}

/* ─── Section Shared ─────────────────────────────────────────── */
.pdp-description .section {
    padding: var(--s-8, 2rem) 0;
    border-top: 1px solid var(--color-border-subtle, #e5e7eb);
}

.pdp-description .section:first-child { border-top: none; }

.pdp-description .section__title {
    font-size: var(--fs-xl, 1.5rem);
    font-weight: 800;
    color: var(--color-text-primary, #111);
    letter-spacing: -0.02em;
    margin-bottom: var(--s-2, 0.5rem);
}

.pdp-description .section__sub {
    color: var(--color-text-muted, #4b5563);
    font-size: var(--fs-sm, 0.875rem);
    margin-bottom: var(--s-5, 1.25rem);
    max-width: 680px;
    line-height: 1.6;
}

/* ─── Audience Tables ─────────────────────────────────────────── */
.pdp-description .audience {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-5, 1.25rem);
}

@media (max-width: 880px) {
    .pdp-description .audience { grid-template-columns: 1fr; }
}

.pdp-description .audience__col-title {
    display: flex;
    align-items: center;
    gap: var(--s-2, 0.5rem);
    font-size: var(--fs-md, 1.125rem);
    font-weight: 800;
    margin-bottom: var(--s-4, 1rem);
}

.pdp-description .audience__col-title svg { width: 20px; height: 20px; fill: currentColor; }

.pdp-description .audience__col--fit .audience__col-title  { color: var(--color-status-success-text, #166534); }
.pdp-description .audience__col--misfit .audience__col-title { color: var(--color-status-error-text, #991b1b); }

.pdp-description .audience-item {
    display: flex;
    flex-direction: column;
    gap: var(--s-1, 0.25rem);
    padding: var(--s-3, 0.75rem) 0;
    border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
}

.pdp-description .audience-item:last-child { border-bottom: none; }

.pdp-description .audience-item__target {
    font-weight: 700;
    font-size: var(--fs-sm, 0.875rem);
    color: var(--color-text-primary, #111);
}

.pdp-description .audience-item__reason {
    font-size: var(--fs-sm, 0.875rem);
    color: var(--color-text-muted, #4b5563);
    line-height: 1.5;
}

.pdp-description .audience-item__alt {
    font-size: var(--fs-xs, 0.75rem);
    margin-top: 2px;
}

.pdp-description .audience-item__alt a { font-weight: 700; }

/* ─── Model Compare Table ─────────────────────────────────────── */
.pdp-description .model-compare {
    overflow-x: auto;
    border: 1px solid var(--color-border-subtle, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
}

.pdp-description .model-compare table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.pdp-description .model-compare th,
.pdp-description .model-compare td {
    padding: var(--s-3, 0.75rem) var(--s-4, 1rem);
    text-align: left;
    font-size: var(--fs-sm, 0.875rem);
    border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
}

.pdp-description .model-compare thead th {
    background: var(--color-surface-sunken, #f2f4f7);
    font-weight: 700;
    color: var(--color-text-primary, #111);
    vertical-align: top;
}

.pdp-description .model-compare thead th.is-current {
    background: var(--color-brand-surface, #fef1f1);
}

.pdp-description .model-compare__model {
    font-weight: 800;
    color: var(--color-text-primary, #111);
    font-size: var(--fs-base, 1rem);
}

.pdp-description .model-compare__price {
    font-weight: 800;
    color: var(--color-brand-primary, #dd3333);
    margin-top: 2px;
}

.pdp-description .model-compare__tag {
    display: inline-block;
    font-size: var(--fs-xs, 0.75rem);
    padding: 2px 8px;
    border-radius: var(--radius-sm, 4px);
    font-weight: 700;
    margin-top: var(--s-2, 0.5rem);
}

.pdp-description .model-compare__tag--current {
    background: var(--color-brand-primary, #dd3333);
    color: #fff;
}

.pdp-description .model-compare td.is-current {
    background: var(--color-brand-surface, #fef1f1);
    font-weight: 600;
}

.pdp-description .model-compare__rowlabel {
    font-weight: 600;
    color: var(--color-text-muted, #4b5563);
    background: var(--color-surface-raised, #f9fafb);
}

.pdp-description .model-compare__cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-xs, 0.75rem);
    font-weight: 700;
    padding: 6px 12px;
    border: 1px solid var(--color-brand-primary, #dd3333);
    color: var(--color-brand-primary, #dd3333);
    border-radius: var(--radius-md, 8px);
    text-decoration: none;
    margin-top: var(--s-2, 0.5rem);
}

.pdp-description .model-compare__cta:hover {
    background: var(--color-brand-surface, #fef1f1);
    text-decoration: none;
}

/* Yes / No utility chips (used inside model-compare) */
.pdp-description .yn-yes {
    color: var(--color-status-success, #16a34a);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.pdp-description .yn-no {
    color: var(--color-status-error, #dc2626);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.pdp-description .yn-yes svg,
.pdp-description .yn-no svg { width: 15px; height: 15px; fill: currentColor; }

/* ─── Feature Deep-Dive ───────────────────────────────────────── */
.pdp-description .feature-deep {
    display: flex;
    flex-direction: column;
    gap: var(--s-8, 2rem);
}

.pdp-description .feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-6, 1.5rem);
    align-items: center;
}

.pdp-description .feature-block:nth-child(even) .feature-block__media { order: -1; }

@media (max-width: 880px) {
    .pdp-description .feature-block { grid-template-columns: 1fr; }
    .pdp-description .feature-block:nth-child(even) .feature-block__media { order: 0; }
}

.pdp-description .feature-block__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-brand-primary, #dd3333);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
    font-size: var(--fs-sm, 0.875rem);
    margin-bottom: var(--s-3, 0.75rem);
}

.pdp-description .feature-block__title {
    font-size: var(--fs-lg, 1.25rem);
    font-weight: 800;
    color: var(--color-text-primary, #111);
    margin-bottom: var(--s-3, 0.75rem);
    letter-spacing: -0.01em;
}

.pdp-description .feature-block__text {
    color: var(--color-text-muted, #4b5563);
    font-size: var(--fs-sm, 0.875rem);
    line-height: 1.7;
    margin-bottom: var(--s-3, 0.75rem);
}

.pdp-description .feature-block__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s-2, 0.5rem);
    padding: 0;
    margin: 0;
}

.pdp-description .feature-block__list li {
    display: flex;
    gap: var(--s-2, 0.5rem);
    font-size: var(--fs-sm, 0.875rem);
    color: var(--color-text-body, #1f2937);
}

.pdp-description .feature-block__list svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    color: var(--color-brand-primary, #dd3333);
    flex-shrink: 0;
    margin-top: 2px;
}

.pdp-description .feature-block__media {
    aspect-ratio: 4 / 3;
    background: var(--color-surface-sunken, #f2f4f7);
    border: 1px dashed var(--color-border-default, #d1d5db);
    border-radius: var(--radius-lg, 12px);
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--color-text-subtle, #6b7280);
    padding: var(--s-4, 1rem);
}

.pdp-description .feature-block__media svg { width: 40px; height: 40px; margin-bottom: var(--s-2, 0.5rem); fill: currentColor; }
.pdp-description .feature-block__media-label { font-size: var(--fs-xs, 0.75rem); line-height: 1.5; }

/* ─── Flush sections remove top padding + border (first content block) ── */
.pdp-description .section--flush {
    padding-top: 0;
    border-top: none;
}

/* ─── Adjacent pdp-description sections get a top border ───────── */
.pdp-description + .pdp-description .section {
    border-top: 1px solid var(--color-border-subtle, #e5e7eb);
}

/* ─── FAQ Accordion ──────────────────────────────────────────── */
.pdp-description .faq-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--s-2, 0.5rem);
    max-width: 820px;
}

.pdp-description .faq-item {
    border: 1px solid var(--color-border-subtle, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    margin: 0;
}

.pdp-description .faq-item__q {
    width: 100%;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-3, 0.75rem);
    padding: 10px var(--s-4, 1rem) !important;
    margin: 0 !important;
    background: none !important;
    border: none !important;
    cursor: pointer;
    text-align: left;
    font-size: var(--fs-sm, 0.875rem) !important;
    font-weight: 700 !important;
    line-height: 1.5 !important;
    min-height: unset !important;
    color: var(--color-text-primary, #111);
    font-family: inherit;
    text-transform: none !important;
    letter-spacing: 0 !important;
    box-shadow: none !important;
}

.pdp-description .faq-item__q:hover {
    color: var(--color-brand-primary, #dd3333);
}

.pdp-description .faq-item__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-brand-primary, #dd3333);
    transition: transform 0.2s ease;
}

.pdp-description .faq-item.is-open .faq-item__icon {
    transform: rotate(45deg);
    color: var(--color-brand-primary, #dd3333);
}

.pdp-description .faq-item__a {
    display: none;
    padding: 0 var(--s-4, 1rem) var(--s-4, 1rem);
    font-size: var(--fs-sm, 0.875rem);
    color: var(--color-text-muted, #4b5563);
    line-height: 1.7;
}

.pdp-description .faq-item.is-open .faq-item__a {
    display: block;
}

.pdp-description .faq-item__a p:last-child { margin-bottom: 0; }

/* ─── Reviews Collapse ───────────────────────────────────────── */
.reviews-collapse {
    position: relative;
    max-height: 400px;
    overflow: hidden;
    transition: max-height 0.45s ease;
}

.reviews-collapse__fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 140px;
    background: linear-gradient(to bottom, transparent, var(--color-surface-base, #fff));
    pointer-events: none;
    transition: opacity 0.3s;
}

.reviews-collapse.is-expanded .reviews-collapse__fade {
    opacity: 0;
}

.reviews-collapse__footer {
    display: flex;
    justify-content: center;
    margin-top: var(--s-4, 1rem);
}

.reviews-collapse__toggle {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 9px 22px !important;
    border: 1px solid var(--color-border-default, #d1d5db) !important;
    border-radius: var(--radius-pill, 999px) !important;
    background: var(--color-surface-base, #fff) !important;
    color: var(--color-text-muted, #4b5563) !important;
    font-size: var(--fs-sm, 0.875rem) !important;
    font-weight: 600 !important;
    font-family: inherit !important;
    cursor: pointer !important;
    box-shadow: none !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    min-height: unset !important;
    line-height: 1 !important;
    transition: border-color 0.15s, color 0.15s;
}

.reviews-collapse__toggle:hover {
    border-color: var(--color-brand-primary, #dd3333) !important;
    color: var(--color-brand-primary, #dd3333) !important;
}

.reviews-collapse__icon {
    flex-shrink: 0;
    transition: transform 0.35s ease;
}

.reviews-collapse__toggle[aria-expanded="true"] .reviews-collapse__icon {
    transform: rotate(180deg);
}