/* ============================================================================
   shop.css — Cửa hàng sản phẩm (marketplace + chi tiết)
   Token-only. KHÔNG hardcode hex. Dùng chung cho /pricing (listing) + /san-pham (detail).
   ============================================================================ */

.shop { background: var(--color-bg); color: var(--color-text); padding: var(--space-8) 0 var(--space-12); }
.shop__wrap { max-width: var(--page-w, 1140px); margin: 0 auto; padding: 0 var(--space-4); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.shop-hero { text-align: center; max-width: 720px; margin: 0 auto var(--space-6); }
.shop-hero__mascot {
    height: 68px; width: auto; display: block; margin: 0 auto var(--space-2);
    padding: 8px; border-radius: var(--radius-pill);
    background: var(--color-primary-soft);
}
.shop-hero__eyebrow {
    display: inline-flex; align-items: center; gap: 7px; padding: 5px 13px;
    background: var(--color-primary-soft); color: var(--color-primary);
    border-radius: var(--radius-pill); font-size: var(--fs-small); font-weight: var(--fw-bold);
    margin-bottom: var(--space-3);
}
.shop-hero__title {
    font-size: clamp(25px, 3.6vw, 34px); font-weight: var(--fw-extrabold);
    color: var(--color-ink); letter-spacing: -.025em; line-height: 1.18; margin: 0 auto var(--space-3);
    max-width: 18ch; text-wrap: balance;
}
.shop-hero__title em { font-style: normal; color: var(--color-primary); }
.shop-hero__lead { color: var(--color-muted); font-size: var(--fs-body); line-height: var(--lh-normal); margin: 0 auto; max-width: 580px; text-wrap: balance; }
.shop-hero__lead strong { color: var(--color-ink); font-weight: var(--fw-extrabold); }
.shop-hero__trust { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: var(--space-5); font-size: 12.5px; color: var(--color-text); }
.shop-hero__trust span {
    display: inline-flex; align-items: center; gap: 6px; font-weight: var(--fw-semibold);
    padding: 6px 12px; background: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
}
.shop-hero__trust i { color: var(--color-secondary); font-size: 12px; }

.shop-switch {
    display: flex; justify-content: center; gap: 6px; width: fit-content;
    margin: 0 auto var(--space-5); padding: 5px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
}
.shop-switch a {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    min-height: 38px; padding: 0 14px; border-radius: var(--radius-sm);
    color: var(--color-muted); text-decoration: none; font-size: 13px; font-weight: var(--fw-bold);
}
.shop-switch a:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.shop-switch a.is-active { color: var(--color-on-dark); background: var(--color-primary); }
/* Badge số — song sinh với .pp__switch-n bên /pricing, để nút trông y hệt ở cả hai trang */
.shop-switch__n {
    min-width: 20px; padding: 0 6px; border-radius: var(--radius-pill);
    background: var(--color-soft); color: var(--color-muted);
    font-size: 11.5px; line-height: 18px; font-variant-numeric: tabular-nums;
}
.shop-switch a:hover .shop-switch__n { background: var(--color-surface); color: var(--color-primary); }
.shop-switch a.is-active .shop-switch__n {
    background: color-mix(in srgb, var(--color-on-dark) 24%, transparent);
    color: var(--color-on-dark);
}

.shop-collections {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3); margin-bottom: var(--space-6);
}
.shop-collection {
    display: flex; gap: 12px; align-items: flex-start;
    min-height: 112px; padding: var(--space-4);
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); color: inherit; text-decoration: none;
    transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.shop-collection:hover,
.shop-collection.is-active {
    border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-border));
    box-shadow: var(--shadow-sm); transform: translateY(-2px);
}
.shop-collection__icon {
    width: 38px; height: 38px; flex: 0 0 38px; border-radius: var(--radius-md);
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--color-primary-soft); color: var(--color-primary);
}
.shop-collection__body { min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.shop-collection__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.shop-collection__top strong { font-size: 14px; color: var(--color-ink); }
.shop-collection__top em {
    flex: 0 0 auto; font-style: normal; min-width: 24px; height: 24px; padding: 0 7px;
    border-radius: var(--radius-pill); display: inline-flex; align-items: center; justify-content: center;
    background: var(--color-soft); color: var(--color-primary); font-size: 12px; font-weight: var(--fw-extrabold);
}
.shop-collection__body > span:last-child { font-size: 12.5px; line-height: 1.45; color: var(--color-muted); }
@media (max-width: 960px) { .shop-collections { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) {
    .shop-switch { width: 100%; }
    .shop-switch a { flex: 1; padding-inline: 8px; }
    .shop-collections { grid-template-columns: 1fr; }
}

/* ── Owned banner ─────────────────────────────────────────────────────────── */
.shop-owned {
    display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
    max-width: 860px; margin: 0 auto var(--space-5); padding: var(--space-3) var(--space-4);
    background: var(--color-secondary-soft);
    border: 1px solid color-mix(in srgb, var(--color-secondary) 30%, transparent);
    border-radius: var(--radius-lg);
}
.shop-owned i { color: var(--color-secondary); font-size: 18px; }
.shop-owned__body { flex: 1; min-width: 200px; font-size: var(--fs-small); color: var(--color-text); }
.shop-owned__body strong { color: var(--color-ink); font-weight: var(--fw-bold); }
.shop-owned__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.shop-owned__tag { padding: 3px 10px; background: var(--color-surface); border: 1px solid color-mix(in srgb, var(--color-secondary) 40%, transparent); border-radius: var(--radius-pill); font-size: 11.5px; font-weight: var(--fw-bold); color: var(--color-secondary); }

/* ── Toolbar: search + chips ──────────────────────────────────────────────── */
.shop-toolbar { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-6); }
.shop-search { position: relative; max-width: 520px; margin: 0 auto; width: 100%; }
.shop-search input {
    width: 100%; height: 46px; padding: 0 44px 0 44px;
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    background: var(--color-surface); color: var(--color-text);
    font-size: var(--fs-body); font-family: inherit; transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.shop-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); }
.shop-search__ic { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--color-muted); font-size: 14px; }
.shop-search__clear { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--color-muted); background: none; border: 0; cursor: pointer; font-size: 14px; }

.shop-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.shop-chip {
    display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); font-size: var(--fs-small); font-weight: var(--fw-bold);
    color: var(--color-text); cursor: pointer; text-decoration: none;
    transition: all var(--dur-fast) var(--ease); font-family: inherit;
}
.shop-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.shop-chip.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-dark); }
.shop-chip i { font-size: 12px; }
.shop-chip__count { font-size: 11px; font-weight: var(--fw-semibold); opacity: .75; }
.shop-chip.is-active .shop-chip__count { opacity: .9; }

/* ── Result bar ───────────────────────────────────────────────────────────── */
.shop-resultbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-4); }
.shop-resultbar__count { font-size: var(--fs-small); color: var(--color-muted); }
.shop-resultbar__count strong { color: var(--color-ink); font-weight: var(--fw-extrabold); font-size: var(--fs-body); }
.shop-resultbar__reset { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--color-muted); text-decoration: none; padding: 5px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-pill); transition: all var(--dur-fast) var(--ease); }
.shop-resultbar__reset:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Grid ─────────────────────────────────────────────────────────────────── */
.shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); align-items: stretch; }
@media (max-width: 960px) { .shop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .shop-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } }

/* ── Product card ─────────────────────────────────────────────────────────── */
.shop-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); overflow: hidden; position: relative;
    display: flex; flex-direction: column;
    transition: box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.shop-card:hover { border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-border)); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.shop-card--featured { border: 1px solid var(--color-primary); }

/* "Bán chạy" ribbon header (featured) */
.shop-card__pop {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 7px; background: var(--color-primary); color: var(--color-on-dark);
    font-size: 11px; font-weight: var(--fw-extrabold); letter-spacing: .05em; text-transform: uppercase;
}
.shop-card__pop i { font-size: 11px; }

.shop-card__media { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--color-soft); }
.shop-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.shop-card__media--ph { display: flex; align-items: center; justify-content: center; }
.shop-card__media--ph i { font-size: 44px; color: var(--color-on-dark); opacity: .92; }
/* placeholder theo danh mục */
.shop-ph--ielts { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover)); }
.shop-ph--toeic { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep)); }
.shop-ph--foundation { background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-hover)); }
.shop-ph--shadowing { background: linear-gradient(135deg, var(--color-warning), var(--color-warning-deep)); }
.shop-ph--combo { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); }
.shop-ph--vocab { background: linear-gradient(135deg, var(--color-accent), var(--color-secondary)); }
.shop-ph--communication { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); }
.shop-ph--roadmap { background: linear-gradient(135deg, var(--color-ink), var(--color-primary)); }
.shop-ph--ebook { background: linear-gradient(135deg, var(--color-warning), var(--color-accent)); }
.shop-ph--other { background: linear-gradient(135deg, var(--color-locked), var(--color-locked-deep)); }

.shop-card__badge {
    position: absolute; top: 10px; left: 10px; padding: 4px 11px;
    background: var(--color-ink); color: var(--color-on-dark); border-radius: var(--radius-sm);
    font-size: 11px; font-weight: var(--fw-extrabold); letter-spacing: .02em; box-shadow: var(--shadow-sm);
}
.shop-card--featured .shop-card__badge { background: var(--color-primary); }
.shop-card__owned-flag { position: absolute; top: 10px; right: 10px; padding: 4px 10px; background: var(--color-secondary); color: var(--color-on-dark); border-radius: var(--radius-sm); font-size: 11px; font-weight: var(--fw-bold); }

.shop-card__body { padding: var(--space-4); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.shop-card__cat { font-size: 11px; font-weight: var(--fw-extrabold); letter-spacing: .06em; text-transform: uppercase; color: var(--color-primary); }
.shop-card__name { font-size: 16px; font-weight: var(--fw-extrabold); color: var(--color-ink); margin: 0; letter-spacing: -.015em; line-height: 1.3;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.shop-card__name a { color: inherit; text-decoration: none; }
.shop-card__name a:hover { color: var(--color-primary); }
.shop-card__desc { font-size: 13px; color: var(--color-muted); line-height: 1.5; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.shop-card__access { display: flex; flex-wrap: wrap; gap: 6px; }
.shop-card__access span {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 9px; border-radius: var(--radius-sm);
    background: var(--color-primary-soft); color: var(--color-primary);
    font-size: 11.5px; font-weight: var(--fw-bold);
}
.shop-card__access i { font-size: 10px; }

.shop-card__price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 8px; margin-top: auto; padding-top: var(--space-3); }
.shop-card__price-num { font-size: 22px; font-weight: var(--fw-extrabold); color: var(--color-ink); letter-spacing: -.02em; }
.shop-card__price-orig { font-size: 14px; color: var(--color-mute2); text-decoration: line-through; }
.shop-card__price-period { font-size: 12px; color: var(--color-muted); font-weight: var(--fw-semibold); margin-left: -4px; }
.shop-card__price-off { padding: 2px 8px; background: var(--color-warning-soft); color: var(--color-warning-deep); border-radius: var(--radius-sm); font-size: 11.5px; font-weight: var(--fw-extrabold); }

.shop-card__foot { padding: 0 var(--space-4) var(--space-4); display: flex; gap: 8px; }

/* ── Buttons (storefront) ─────────────────────────────────────────────────── */
.shop-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    height: 42px; padding: 0 var(--space-4); border-radius: var(--radius-md);
    font-size: 14px; font-weight: var(--fw-bold); font-family: inherit; cursor: pointer;
    text-decoration: none; border: 1.5px solid transparent; white-space: nowrap;
    transition: all var(--dur-fast) var(--ease);
}
.shop-btn--primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-dark); }
.shop-btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: var(--color-on-dark); box-shadow: var(--shadow-sm); }
.shop-btn--outline { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.shop-btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }
.shop-btn--accent { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-dark); }
.shop-btn--accent:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: var(--color-on-dark); }
.shop-btn--owned { background: var(--color-secondary-soft); border-color: color-mix(in srgb, var(--color-secondary) 40%, transparent); color: var(--color-secondary); cursor: default; }
.shop-btn--soon { background: var(--color-soft); border-color: var(--color-border); color: var(--color-locked); cursor: default; }
.shop-btn--ghost { background: transparent; border-color: transparent; color: var(--color-primary); }
.shop-btn--ghost:hover { background: var(--color-primary-soft); }
.shop-btn--block { width: 100%; }
.shop-btn--lg { height: 50px; font-size: 15px; padding: 0 var(--space-6); }
.shop-btn:disabled { opacity: .6; cursor: not-allowed; }
.shop-card__foot .shop-btn { flex: 1; padding: 0 var(--space-3); }
.shop-card__foot .shop-btn--icon { flex: 0 0 auto; width: 42px; padding: 0; }
/* foot variant cho gói: nút full-width, có thể kèm khối nâng cấp phía trên */
.shop-card__foot--plan { flex-direction: column; align-items: stretch; gap: var(--space-3); }
.shop-card__foot--plan .shop-btn { width: 100%; flex: none; }

/* ── Khối nâng cấp trả chênh (gói) ────────────────────────────────────────── */
.shop-upgrade { padding: var(--space-3); border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent); background: var(--color-primary-soft); border-radius: var(--radius-md); text-align: center; }
.shop-upgrade__from { font-size: 11px; font-weight: var(--fw-extrabold); color: var(--color-primary); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 5px; }
.shop-upgrade__math { font-size: 12.5px; color: var(--color-muted); line-height: 1.6; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px; }
.shop-upgrade__op { font-weight: var(--fw-bold); color: var(--color-ink); }
.shop-upgrade__total { font-size: 24px; font-weight: var(--fw-extrabold); color: var(--color-primary); line-height: 1.1; margin-top: 4px; }
.shop-upgrade__hold { font-size: 11.5px; color: var(--color-muted); margin-top: 4px; }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.shop-empty { text-align: center; padding: var(--space-12) var(--space-4); color: var(--color-muted); grid-column: 1 / -1; }
.shop-empty i { font-size: 40px; color: var(--color-locked); margin-bottom: var(--space-3); }
.shop-empty h3 { font-size: var(--fs-h4); color: var(--color-ink); margin: 0 0 6px; }
.shop-empty p { margin: 0 0 var(--space-4); }

/* ============================================================================
   DETAIL PAGE (/san-pham/{slug})
   ============================================================================ */
.shop-detail__back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: var(--space-3); font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-muted); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
.shop-detail__back:hover { color: var(--color-primary); text-decoration: none; }
.shop-detail__back i { font-size: 12px; }
.shop-detail__bc { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-small); color: var(--color-muted); margin-bottom: var(--space-4); min-width: 0; }
.shop-detail__bc a { color: var(--color-muted); text-decoration: none; white-space: nowrap; flex: 0 0 auto; transition: color var(--dur-fast) var(--ease); }
.shop-detail__bc a:hover { color: var(--color-primary); }
.shop-detail__bc > *:not(:first-child)::before { content: "\203A"; margin-right: var(--space-2); color: var(--color-mute2); }
.shop-detail__bc-cur { min-width: 0; flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text); }

/* Social proof: sao đánh giá + người mua (số tự đặt trong admin) */
.shop-detail__social { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-2) 0 var(--space-3); font-size: var(--fs-small); color: var(--color-muted); }
.shop-detail__stars { position: relative; display: inline-flex; font-size: 15px; line-height: 1; }
.shop-detail__stars-base { color: var(--color-border); }
.shop-detail__stars-fill { position: absolute; top: 0; left: 0; overflow: hidden; white-space: nowrap; color: var(--color-warning); }
.shop-detail__stars-base i + i, .shop-detail__stars-fill i + i { margin-left: 2px; }
.shop-detail__rating-num { font-weight: var(--fw-extrabold); color: var(--color-ink); }
.shop-detail__rating-max { font-weight: var(--fw-regular); color: var(--color-mute2); }
.shop-detail__social-cnt { color: var(--color-muted); }
.shop-detail__social-sep { color: var(--color-mute2); }
.shop-detail__social-sold { display: inline-flex; align-items: center; }
.shop-detail__social-sold i { font-size: 12px; margin-right: 5px; color: var(--color-mute2); }

.shop-detail__hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--space-8); align-items: start; margin-bottom: var(--space-10); }
@media (max-width: 880px) { .shop-detail__hero { grid-template-columns: 1fr; gap: var(--space-5); } }
/* Desktop: hộp "yên tâm" (assure) nằm dưới ảnh bìa ở cột trái; mobile: xếp cuối theo dòng chảy */
@media (min-width: 881px) {
    .shop-detail__hero { grid-template-rows: auto 1fr; align-items: start; row-gap: var(--space-4); }
    .shop-detail__media  { grid-column: 1; grid-row: 1; }
    .shop-detail__info   { grid-column: 2; grid-row: 1 / span 2; }
    .shop-detail__assure { grid-column: 1; grid-row: 2; align-self: start; margin: 0; }
}

.shop-detail__media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); aspect-ratio: 16/10; background: var(--color-soft); position: relative; }
.shop-detail__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* placeholder không ảnh: panel phẳng, tông brand (không gradient xám) */
.shop-detail__media--ph { display: flex; align-items: center; justify-content: center; background: var(--color-primary-soft); }
.shop-detail__ph { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.shop-detail__ph-ic { width: 76px; height: 76px; border-radius: var(--radius-lg); background: var(--color-surface); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 32px; box-shadow: var(--shadow-sm); }
.shop-detail__ph-label { font-size: 13px; font-weight: var(--fw-bold); color: var(--color-primary); text-transform: uppercase; letter-spacing: .06em; }
.shop-detail__media-badge { position: absolute; top: 14px; left: 14px; padding: 5px 13px; background: var(--color-primary); color: var(--color-on-dark); border-radius: var(--radius-pill); font-size: 12px; font-weight: var(--fw-extrabold); }

/* Ảnh hero — bấm để phóng to (lightbox) */
.shop-detail__media--zoom { cursor: zoom-in; }
.shop-detail__media-zoom { position: absolute; bottom: 12px; right: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; background: color-mix(in srgb, var(--color-ink) 58%, transparent); color: var(--color-on-dark); border-radius: var(--radius-pill); font-size: 12px; font-weight: var(--fw-bold); opacity: 0; transform: translateY(4px); transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease); pointer-events: none; }
.shop-detail__media--zoom:hover .shop-detail__media-zoom,
.shop-detail__media--zoom:focus-visible .shop-detail__media-zoom { opacity: 1; transform: translateY(0); }

.shop-lightbox { position: fixed; inset: 0; z-index: 1300; display: none; align-items: center; justify-content: center; padding: var(--space-6); background: color-mix(in srgb, var(--color-ink) 86%, transparent); opacity: 0; transition: opacity var(--dur-base) var(--ease); }
.shop-lightbox.is-open { display: flex; opacity: 1; }
.shop-lightbox__img { max-width: min(960px, 94vw); max-height: 88vh; width: auto; height: auto; object-fit: contain; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); background: var(--color-surface); }
.shop-lightbox__close { position: absolute; top: 18px; right: 18px; width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border: none; border-radius: var(--radius-pill); background: var(--color-surface); color: var(--color-ink); font-size: 17px; cursor: pointer; box-shadow: var(--shadow-md); transition: transform var(--dur-fast) var(--ease); }
.shop-lightbox__close:hover { transform: scale(1.06); }

.shop-detail__cat { font-size: 12px; font-weight: var(--fw-extrabold); letter-spacing: .06em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 8px; }
.shop-detail__name { font-size: clamp(24px, 3.4vw, 32px); font-weight: var(--fw-extrabold); color: var(--color-ink); letter-spacing: -.02em; line-height: 1.18; margin: 0 0 var(--space-3); }
.shop-detail__short { font-size: var(--fs-body); color: var(--color-muted); line-height: var(--lh-normal); margin: 0 0 var(--space-4); }

.shop-detail__price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; padding: var(--space-4) 0; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); margin-bottom: var(--space-4); }
.shop-detail__price-num { font-size: 34px; font-weight: var(--fw-extrabold); color: var(--color-ink); letter-spacing: -.03em; line-height: 1; }
.shop-detail__price-orig { font-size: 17px; color: var(--color-mute2); text-decoration: line-through; }
.shop-detail__price-period { font-size: 13px; color: var(--color-muted); font-weight: var(--fw-semibold); }
.shop-detail__price-off { padding: 3px 9px; background: var(--color-warning-soft); color: var(--color-warning-deep); border-radius: var(--radius-pill); font-size: 12px; font-weight: var(--fw-bold); }
/* Giá sau khi áp voucher công khai — khối "deal" emerald tạo động lực mua */
.shop-detail__voucher { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: calc(-1 * var(--space-2)) 0 var(--space-4); padding: 9px 12px; background: var(--color-secondary-soft); border: 1px dashed color-mix(in srgb, var(--color-secondary) 45%, transparent); border-radius: var(--radius-md); }
.shop-detail__voucher-tag { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; background: var(--color-secondary); color: var(--color-on-dark); border-radius: var(--radius-sm); font-size: 12px; font-weight: var(--fw-bold); white-space: nowrap; }
.shop-detail__voucher-tag i { font-size: 11px; }
.shop-detail__voucher-text { font-size: 13.5px; color: var(--color-text); font-weight: var(--fw-semibold); }
.shop-detail__voucher-text strong { color: var(--color-secondary-deep, var(--color-secondary)); font-weight: var(--fw-extrabold); font-size: 15px; }
.shop-detail__voucher-save { color: var(--color-muted); font-weight: var(--fw-semibold); font-size: 12px; }
/* Nút "Lưu mã" → ví voucher (xem includes/saved_vouchers.php). Đẩy sát mép phải của dải mã. */
.shop-detail__voucher-keep {
    margin-left: auto; display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px;
    background: var(--color-surface); border: 1px solid color-mix(in srgb, var(--color-secondary) 40%, transparent);
    border-radius: var(--radius-pill); color: var(--color-secondary-deep, var(--color-secondary));
    font-family: inherit; font-size: 12px; font-weight: var(--fw-bold); cursor: pointer; text-decoration: none; white-space: nowrap;
    transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.shop-detail__voucher-keep:hover { background: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-on-dark); }
.shop-detail__voucher-keep i { font-size: 11px; }
.shop-detail__voucher-keep.is-kept,
.shop-detail__voucher-keep:disabled { background: var(--color-secondary-soft); border-color: color-mix(in srgb, var(--color-secondary) 30%, transparent); color: var(--color-secondary-deep, var(--color-secondary)); cursor: default; }

.shop-detail__cta { display: flex; gap: 10px; margin-bottom: var(--space-5); flex-wrap: wrap; }
.shop-detail__cta .shop-btn { flex: 1; min-width: 150px; }
.shop-detail__assure { list-style: none; margin: calc(-1 * var(--space-3)) 0 var(--space-5); padding: var(--space-3) var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); background: var(--color-soft); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.shop-detail__assure li { display: flex; align-items: center; gap: var(--space-3); font-size: 13.5px; color: var(--color-text); line-height: var(--lh-normal); }
.shop-detail__assure i { color: var(--color-secondary); font-size: 15px; width: 18px; text-align: center; flex: none; }
.shop-detail__assure strong { font-weight: var(--fw-semibold); }

/* "Đã có trong gói" — cross-sell nhẹ dưới CTA: đăng ký gói cũng sở hữu khóa này (accent cyan = premium) */
.shop-detail__inplan { margin: calc(-1 * var(--space-2)) 0 var(--space-5); padding: var(--space-4); background: color-mix(in srgb, var(--color-accent-soft) 55%, var(--color-surface)); border: 1px solid color-mix(in srgb, var(--color-accent) 32%, transparent); border-radius: var(--radius-md); }
.shop-detail__inplan-top { display: flex; align-items: center; gap: var(--space-2); font-size: 13.5px; font-weight: var(--fw-extrabold); color: var(--color-accent-deep); }
.shop-detail__inplan-top i { font-size: 14px; flex: none; }
.shop-detail__inplan-lead { margin: 6px 0 var(--space-3); font-size: 13px; color: var(--color-text); line-height: var(--lh-normal); }
.shop-detail__inplan-lead strong { font-weight: var(--fw-bold); color: var(--color-ink); }
.shop-detail__inplan-plans { display: flex; flex-direction: column; gap: var(--space-2); }
.shop-detail__inplan-plan { display: flex; align-items: center; gap: var(--space-3); padding: 10px 12px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); text-decoration: none; transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease); }
.shop-detail__inplan-plan:hover { border-color: var(--color-accent); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.shop-detail__inplan-nm { flex: 1 1 auto; min-width: 0; font-size: 14px; font-weight: var(--fw-bold); color: var(--color-ink); }
.shop-detail__inplan-pr { flex: none; font-size: 14px; font-weight: var(--fw-extrabold); color: var(--color-accent-deep); white-space: nowrap; }
.shop-detail__inplan-pr small { font-size: 11px; font-weight: var(--fw-semibold); color: var(--color-muted); }
.shop-detail__inplan-plan > i { flex: none; color: var(--color-mute2); font-size: 12px; transition: transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.shop-detail__inplan-plan:hover > i { color: var(--color-accent); transform: translateX(2px); }

/* ── Section ──────────────────────────────────────────────────────────────── */
.shop-sec { margin-bottom: var(--space-8); }
.shop-sec__head { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.shop-sec__ico {
    flex: 0 0 46px; width: 46px; height: 46px; border-radius: var(--radius-md);
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--color-primary-soft); color: var(--color-primary); font-size: 20px;
}
.shop-sec__htext { min-width: 0; }
.shop-sec__eyebrow { font-size: 12px; font-weight: var(--fw-extrabold); letter-spacing: .06em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 3px; }
.shop-sec__title { font-size: var(--fs-h3); font-weight: var(--fw-extrabold); color: var(--color-ink); margin: 0; letter-spacing: -.015em; }

.shop-card-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5) var(--space-6); }

/* Dải "mốc tiếp theo" trên trang lộ trình 4.0 → 5.5 — trỏ sang trang đo nhu cầu 5.5 → 6.5. */
.shop-next65 { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); border-style: dashed; border-color: var(--color-primary); }
.shop-next65 p { margin: 0; max-width: 62ch; color: var(--color-text); line-height: var(--lh-body); }
.shop-next65 b { color: var(--color-ink); }

/* =========================================================================
   Lộ trình bán kèm (.shop-rm2) — accordion Tuần → Ngày → bài, bám pattern
   trang "Lộ trình của tôi": tiêu đề ngày giàu thông tin "{chủ đề} ({level}) —
   {ngữ pháp}". Token thuần (0 hardcode hex, 0 màu cấm).
   ========================================================================= */
.shop-rm2 { display: flex; flex-direction: column; gap: var(--space-4); }


/* ── Card chứa Tuần 1 (timeline) ─────────────────────────────────────── */
.shop-rm2-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }

/* Header tuần */
.shop-rm2-whd { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.shop-rm2-whd__l { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.shop-rm2-whd__ic { flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary-hover); display: inline-flex; align-items: center; justify-content: center; font-size: var(--fs-h4); }
.shop-rm2-whd__t1 { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.shop-rm2-whd__name { font-size: var(--fs-h4); font-weight: var(--fw-bold); color: var(--color-ink); letter-spacing: -.01em; }
.shop-rm2-whd__sub { font-size: var(--fs-small); color: var(--color-muted); font-weight: var(--fw-semibold); margin-top: 3px; }
.shop-rm2-whd__r { text-align: right; flex-shrink: 0; }
.shop-rm2-whd__rlbl { font-size: var(--fs-micro); color: var(--color-mute2); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .04em; }
.shop-rm2-whd__rval { font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-primary); margin-top: 2px; }
.shop-rm2-badge-free { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--fs-micro); font-weight: var(--fw-bold); padding: 3px var(--space-2); border-radius: var(--radius-pill); background: var(--color-secondary-soft); color: var(--color-secondary-deep); text-transform: uppercase; letter-spacing: .02em; }
.shop-rm2-badge-free i { font-size: 11px; }

/* ── Timeline ────────────────────────────────────────────────────────── */
.shop-rm2-tl { position: relative; padding: var(--space-2) var(--space-5) var(--space-5); }
.shop-rm2-tl__rail { position: absolute; left: calc(var(--space-5) + 18px); top: 30px; bottom: 42px; width: 2px; background: var(--color-line); border-radius: 2px; }

/* Một ngày */
.shop-rm2-d { position: relative; padding: var(--space-4) 0 var(--space-4) 50px; }
.shop-rm2-d__node { position: absolute; left: 2px; top: var(--space-4); width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: var(--fs-small); font-weight: var(--fw-extrabold); z-index: 2; background: var(--color-primary-soft); border: 0; color: var(--color-primary-hover); box-shadow: 0 0 0 4px var(--color-surface); }
.shop-rm2-d--cur .shop-rm2-d__node { left: 0; width: 38px; height: 38px; background: var(--color-primary); color: var(--color-on-dark); box-shadow: 0 0 0 4px var(--color-surface), 0 0 0 6px var(--color-primary-soft); }
.shop-rm2-d--locked .shop-rm2-d__node { background: var(--color-soft); border: 1px solid var(--color-border); color: var(--color-mute2); }
.shop-rm2-d__top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); cursor: pointer; border-radius: var(--radius-md); transition: background var(--dur-fast) var(--ease); }
.shop-rm2-d__top:hover { background: var(--color-soft); }
.shop-rm2-d__chev { flex-shrink: 0; font-size: var(--fs-small); color: var(--color-muted); margin-top: 5px; transition: transform var(--dur-base) var(--ease); }
.shop-rm2-d.is-open .shop-rm2-d__chev { transform: rotate(180deg); color: var(--color-primary); }
.shop-rm2-dbody { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-base) var(--ease); }
.shop-rm2-d.is-open .shop-rm2-dbody { grid-template-rows: 1fr; }
.shop-rm2-dbody > div { overflow: hidden; min-height: 0; }
.shop-rm2-d__main { flex: 1; min-width: 0; }
.shop-rm2-d__th { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-2); }
.shop-rm2-d__topic { font-size: 15.5px; font-weight: var(--fw-bold); color: var(--color-ink); letter-spacing: -.01em; }
.shop-rm2-lv { flex-shrink: 0; font-size: var(--fs-micro); font-weight: var(--fw-bold); color: var(--color-primary-hover); background: var(--color-primary-soft); padding: 2px var(--space-2); border-radius: var(--radius-sm); }
.shop-rm2-d__gr-inline { font-size: 15.5px; font-weight: var(--fw-bold); color: var(--color-ink); letter-spacing: -.01em; }

/* Hàng icon kỹ năng */
.shop-rm2-skills { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.shop-rm2-d.is-open .shop-rm2-skills { display: none; }
.shop-rm2-sk { width: 28px; height: 28px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; background: var(--color-soft); color: var(--color-muted); }
.shop-rm2-sk[data-tone="primary"] { background: var(--color-primary-soft); color: var(--color-primary-hover); }
.shop-rm2-sk[data-tone="secondary"] { background: var(--color-secondary-soft); color: var(--color-secondary-deep); }
.shop-rm2-sk[data-tone="accent"] { background: var(--color-accent-soft); color: var(--color-accent-deep); }
.shop-rm2-sk[data-tone="warning"] { background: var(--color-warning-soft); color: var(--color-warning-deep); }

/* Số bài bên phải */
.shop-rm2-d__cnt { text-align: right; flex-shrink: 0; padding-top: 2px; }
.shop-rm2-d__cnum { font-size: var(--fs-h4); font-weight: var(--fw-bold); color: var(--color-ink); line-height: 1; }
.shop-rm2-d__clbl { font-size: var(--fs-micro); color: var(--color-mute2); font-weight: var(--fw-semibold); margin-top: 2px; }

/* Bài học thử mở sẵn (ngày 1) */
.shop-rm2-lsns { margin-top: var(--space-2); border-left: 2px solid var(--color-line); }
.shop-rm2-lsn { display: flex; align-items: center; gap: var(--space-3); padding: 10px var(--space-3); text-decoration: none; border-radius: var(--radius-md); transition: background var(--dur-fast) var(--ease); }
.shop-rm2-lsn:hover { background: var(--color-secondary-soft); }
.shop-rm2-lsn__ic { flex-shrink: 0; width: 34px; height: 34px; border-radius: var(--radius-md); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; background: var(--color-soft); color: var(--color-muted); }
.shop-rm2-lsn[data-tone="primary"] .shop-rm2-lsn__ic { background: var(--color-primary-soft); color: var(--color-primary-hover); }
.shop-rm2-lsn[data-tone="secondary"] .shop-rm2-lsn__ic { background: var(--color-secondary-soft); color: var(--color-secondary-deep); }
.shop-rm2-lsn[data-tone="accent"] .shop-rm2-lsn__ic { background: var(--color-accent-soft); color: var(--color-accent-deep); }
.shop-rm2-lsn[data-tone="warning"] .shop-rm2-lsn__ic { background: var(--color-warning-soft); color: var(--color-warning-deep); }
.shop-rm2-lsn__t { flex: 1; min-width: 0; font-size: 15px; color: var(--color-text); font-weight: var(--fw-medium); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shop-rm2-lsn__tag { flex-shrink: 0; font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-secondary-deep); background: var(--color-secondary-soft); padding: 4px 10px; border-radius: var(--radius-pill); }
.shop-rm2-lsn__tag-sm { display: none; }
.shop-rm2-lsn__go { flex-shrink: 0; font-size: 15px; color: var(--color-mute2); transition: transform var(--dur-fast) var(--ease); }
.shop-rm2-lsn:hover .shop-rm2-lsn__go { transform: translateX(3px); color: var(--color-secondary-deep); }
.shop-rm2-lsn-rest { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-base) var(--ease); }
.shop-rm2-lsn-rest.is-show { grid-template-rows: 1fr; }
.shop-rm2-lsn-rest > div { overflow: hidden; min-height: 0; }
.shop-rm2-more-btn { display: inline-flex; align-items: center; gap: var(--space-2); margin: var(--space-1) 0 0 var(--space-3); padding: var(--space-1) var(--space-3); background: transparent; border: 0; cursor: pointer; font-family: var(--font-sans); font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-primary); border-radius: var(--radius-pill); transition: background var(--dur-fast) var(--ease); }
.shop-rm2-more-btn:hover { background: var(--color-primary-soft); }
.shop-rm2-more-btn i { font-size: 12px; transition: transform var(--dur-base) var(--ease); }
.shop-rm2-more-btn.is-open i { transform: rotate(180deg); }

/* Node khoá cuối (Tuần 2 → hết) */
/* ── Các tuần còn lại (2 → hết): accordion KHOÁ ──────────────────────── */
.shop-rm2-wklist { display: flex; flex-direction: column; gap: var(--space-2); }
.shop-rm2-wklist__head { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-muted); padding: var(--space-1) var(--space-1) var(--space-1); }
.shop-rm2-wklist__head i { color: var(--color-locked); }
.shop-rm2-wk { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }
.shop-rm2-wk.is-open { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.shop-rm2-wk__head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); cursor: pointer; transition: background var(--dur-fast) var(--ease); }
.shop-rm2-wk__head:hover { background: var(--color-soft); }
.shop-rm2-wk.is-open .shop-rm2-wk__head { background: var(--color-primary-soft); }
.shop-rm2-wk__node { flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--color-soft); border: 1px solid var(--color-border); color: var(--color-mute2); display: inline-flex; align-items: center; justify-content: center; font-size: var(--fs-small); font-weight: var(--fw-extrabold); }
.shop-rm2-wk__mid { flex: 1; min-width: 0; }
.shop-rm2-wk__title { font-size: var(--fs-body); font-weight: var(--fw-bold); color: var(--color-ink); }
.shop-rm2-wk__sub { font-size: var(--fs-small); color: var(--color-muted); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shop-rm2-wk__lock { flex-shrink: 0; display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--fs-micro); font-weight: var(--fw-semibold); padding: 5px var(--space-3); border-radius: var(--radius-pill); background: var(--color-soft); border: 1px solid var(--color-border); color: var(--color-locked-deep); }
.shop-rm2-wk__chev { flex-shrink: 0; font-size: var(--fs-small); color: var(--color-muted); transition: transform var(--dur-base) var(--ease); }
.shop-rm2-wk.is-open .shop-rm2-wk__chev { transform: rotate(180deg); color: var(--color-primary); }
.shop-rm2-wk__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-base) var(--ease); }
.shop-rm2-wk.is-open .shop-rm2-wk__body { grid-template-rows: 1fr; }
.shop-rm2-wk__body > div { overflow: hidden; min-height: 0; }
/* Bài học trong tuần khoá — xem được tên, không bấm học được */
.shop-rm2-lsn--locked { cursor: default; }
.shop-rm2-lsn--locked:hover { background: transparent; }
.shop-rm2-lsn--locked .shop-rm2-lsn__t { color: var(--color-muted); }
.shop-rm2-lsn--locked .shop-rm2-lsn__ic { opacity: .8; }
.shop-rm2-lsn__lk { flex-shrink: 0; font-size: var(--fs-small); color: var(--color-locked); }
/* Nút mua cuối khối */
.shop-rm2-buy { display: flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-4); background: var(--color-primary); color: var(--color-on-dark); border-radius: var(--radius-lg); text-decoration: none; font-size: var(--fs-body); font-weight: var(--fw-bold); transition: background var(--dur-fast) var(--ease); }
.shop-rm2-buy:hover { background: var(--color-primary-hover); color: var(--color-on-dark); }

@media (max-width: 560px) {
    /* Thước đo: 2 cột */
    /* Header tuần */
    .shop-rm2-whd { padding: var(--space-3) var(--space-4); }
    .shop-rm2-whd__r { display: none; }
    .shop-rm2-whd__ic { width: 38px; height: 38px; font-size: var(--fs-body); }
    .shop-rm2-whd__name { font-size: var(--fs-body); }
    /* Timeline: thu hẹp lề, dời rail */
    .shop-rm2-tl { padding: var(--space-2) var(--space-3) var(--space-4); }
    .shop-rm2-tl__rail { left: 31px; bottom: 48px; }
    /* Ngày: chừa node nhỏ hơn */
    .shop-rm2-d { padding: var(--space-3) 0 var(--space-3) 42px; }
    .shop-rm2-d__node { width: 30px; height: 30px; font-size: var(--fs-micro); }
    .shop-rm2-d--cur .shop-rm2-d__node { left: 0; width: 34px; height: 34px; }
    .shop-rm2-d__top { gap: var(--space-2); }
    .shop-rm2-d__topic { font-size: 14.5px; }
    .shop-rm2-d__th { align-items: flex-start; }
    .shop-rm2-lv { font-size: 9.5px; padding: 1px 5px; align-self: flex-start; margin-top: 1px; }
    .shop-rm2-d__gr-inline { font-size: 14px; flex-basis: 100%; margin-top: 1px; }
    .shop-rm2-d__dash { display: none; }
    /* Icon kỹ năng: gọn lại */
    .shop-rm2-skills { gap: 6px; }
    .shop-rm2-sk { width: 26px; height: 26px; font-size: 13px; }
    /* Số bài: chỉ số + chevron, bỏ nhãn 'bài' cho gọn */
    .shop-rm2-d__cnum { font-size: var(--fs-body); }
    .shop-rm2-d__clbl { display: none; }
    /* Bài học: icon vừa, chữ xuống dòng, ẩn mũi tên (đã có tag) */
    .shop-rm2-lsn { gap: var(--space-2); padding: 9px var(--space-2); }
    .shop-rm2-lsn__ic { width: 30px; height: 30px; font-size: 14px; }
    .shop-rm2-lsn__t { font-size: 14px; white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .shop-rm2-lsn__go { display: none; }
    .shop-rm2-lsn__tag-lg { display: none; }
    .shop-rm2-lsn__tag-sm { display: inline; }
    .shop-rm2-lsn__tag { padding: 3px 9px; }
    /* Node khoá + nút: xếp dọc, nút full chiều ngang */
    .shop-rm2-wk__head { padding: var(--space-3); }
    .shop-rm2-wk__node { width: 30px; height: 30px; }
    .shop-rm2-wk__title { font-size: var(--fs-small); }
    .shop-rm2-cta .shop-btn { min-width: 100%; }
}

/* CTA mua cuối khối */
.shop-rm2-cta { display: flex; gap: var(--space-3); margin-top: var(--space-1); flex-wrap: wrap; }
.shop-rm2-cta .shop-btn { flex: 1; min-width: 200px; justify-content: center; }


@media (max-width: 560px) { .shop-rm__ttype { display: none; } .shop-rm__ttitle { font-size: 14px; } }

/* who_for / what_you_get list */
.shop-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; list-style: none; padding: 0; margin: 0; }
@media (max-width: 640px) { .shop-list { grid-template-columns: 1fr; } }
.shop-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.5; color: var(--color-text); }
.shop-list li i { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; border-radius: 50%; background: var(--color-secondary-soft); color: var(--color-secondary); display: flex; align-items: center; justify-content: center; font-size: 9px; }
.shop-list--who li i { background: var(--color-primary-soft); color: var(--color-primary); }

/* Đối tượng "dành cho ai" — lưới thẻ persona có icon minh hoạ */
.shop-who { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 640px) { .shop-who { grid-template-columns: 1fr; } }
.shop-who__card { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4) var(--space-5); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease); }
.shop-who__card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.shop-who__ic { flex: none; width: 52px; height: 52px; border-radius: var(--radius-md); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; background: var(--color-primary-soft); color: var(--color-primary); }
.shop-who__card[data-tone="secondary"] .shop-who__ic { background: var(--color-secondary-soft); color: var(--color-secondary); }
.shop-who__card[data-tone="accent"] .shop-who__ic { background: var(--color-accent-soft); color: var(--color-accent); }
.shop-who__txt { margin: 0; font-size: 15px; line-height: var(--lh-normal); color: var(--color-text); }

/* roadmap */
.shop-road { display: flex; flex-direction: column; gap: 0; }
.shop-road__step { display: flex; gap: var(--space-4); padding-bottom: var(--space-4); position: relative; }
.shop-road__step:not(:last-child)::before { content: ''; position: absolute; left: 17px; top: 36px; bottom: 0; width: 2px; background: var(--color-line); }
.shop-road__num { width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: var(--fw-extrabold); font-size: 15px; z-index: 1; }
.shop-road__body { padding-top: 4px; }
.shop-road__stage { font-size: 11px; font-weight: var(--fw-extrabold); letter-spacing: .05em; text-transform: uppercase; color: var(--color-muted); }
.shop-road__title { font-size: 15.5px; font-weight: var(--fw-bold); color: var(--color-ink); margin: 2px 0 3px; }
.shop-road__desc { font-size: 13.5px; color: var(--color-muted); line-height: 1.5; margin: 0; }


/* FAQ */
.shop-faq__item { border-bottom: 1px solid var(--color-line); }
.shop-faq__item:last-child { border-bottom: 0; }
.shop-faq__q { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 15px 4px; background: none; border: 0; cursor: pointer; font-family: inherit; font-size: 14.5px; font-weight: var(--fw-bold); color: var(--color-ink); text-align: left; transition: color var(--dur-fast) var(--ease); }
.shop-faq__q:hover { color: var(--color-primary); }
.shop-faq__item.is-open .shop-faq__q { color: var(--color-primary); }
.shop-faq__q i { color: var(--color-mute2); font-size: 13px; transition: transform var(--dur-base) var(--ease); flex-shrink: 0; }
.shop-faq__item.is-open .shop-faq__q i { transform: rotate(180deg); color: var(--color-primary); }
.shop-faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-base) var(--ease); }
.shop-faq__item.is-open .shop-faq__a { grid-template-rows: 1fr; }
.shop-faq__inner { overflow: hidden; min-height: 0; }
.shop-faq__a p { font-size: 14px; color: var(--color-muted); line-height: var(--lh-body); margin: 0; padding: 0 4px 16px; }

/* related products reuse .shop-grid + .shop-card */

/* sticky mobile buy bar */
.shop-buybar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: none; align-items: center; gap: 12px; padding: 10px var(--space-4); background: var(--color-surface); border-top: 1px solid var(--color-border); box-shadow: 0 -4px 16px color-mix(in srgb, var(--color-ink) 8%, transparent); }
.shop-buybar__price { font-size: 18px; font-weight: var(--fw-extrabold); color: var(--color-ink); }
.shop-buybar .shop-btn { flex: 1; }
@media (max-width: 880px) { .shop-buybar { display: flex; } }

/* toast "Đã thêm vào giỏ" — card + CTA + progress bar */
.shop-toast {
    position: fixed; top: 86px; right: 20px; z-index: 1200;
    display: flex; align-items: center; gap: 13px;
    min-width: 300px; max-width: 384px; padding: 14px 16px;
    background: var(--color-surface); color: var(--color-ink);
    border: 1px solid var(--color-line); border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg); overflow: hidden;
    opacity: 0; transform: translateY(-12px) scale(.98);
    transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
    pointer-events: auto;
}
.shop-toast.is-show { opacity: 1; transform: translateY(0) scale(1); }
.shop-toast__icon { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; }
.shop-toast.is-success .shop-toast__icon { background: var(--color-secondary-soft); color: var(--color-secondary); }
.shop-toast.is-info    .shop-toast__icon { background: var(--color-accent-soft);    color: var(--color-accent); }
.shop-toast.is-error   .shop-toast__icon { background: var(--color-warning-soft);   color: var(--color-warning); }
.shop-toast__body { flex: 1; min-width: 0; }
.shop-toast__title { font-size: 14px; font-weight: var(--fw-bold); color: var(--color-ink); line-height: 1.35; }
.shop-toast__sub { font-size: 12.5px; color: var(--color-muted); margin-top: 2px; }
.shop-toast__sub b { color: var(--color-ink); font-weight: var(--fw-bold); }
.shop-toast__cta { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 5px; padding: 8px 14px; border-radius: var(--radius-md); background: var(--color-primary); color: var(--color-on-dark); font-size: 12.5px; font-weight: var(--fw-bold); text-decoration: none; white-space: nowrap; transition: background var(--dur-fast) var(--ease); }
.shop-toast__cta:hover { background: var(--color-primary-hover); color: var(--color-on-dark); text-decoration: none; }
.shop-toast__cta i { font-size: 10px; }
.shop-toast__close { flex: 0 0 auto; width: 26px; height: 26px; border: 0; background: none; color: var(--color-mute2); cursor: pointer; border-radius: var(--radius-sm); font-size: 13px; transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease); }
.shop-toast__close:hover { color: var(--color-ink); background: var(--color-soft); }
.shop-toast__bar { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--color-line); }
.shop-toast__bar span { display: block; height: 100%; width: 100%; }
.shop-toast.is-success .shop-toast__bar span { background: var(--color-secondary); }
.shop-toast.is-info    .shop-toast__bar span { background: var(--color-accent); }
.shop-toast.is-error   .shop-toast__bar span { background: var(--color-warning); }
@media (max-width: 480px) {
    .shop-toast { top: 70px; right: 12px; left: 12px; min-width: 0; max-width: none; }
}

/* ── Đánh giá người học ───────────────────────────────────────────────────── */
.shop-reviews { display: flex; flex-direction: column; gap: var(--space-4); }
.shop-reviews__summary {
    display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}
.shop-reviews__avg { font-size: 30px; font-weight: var(--fw-extrabold); color: var(--color-ink); line-height: 1; letter-spacing: -.02em; }
.shop-reviews__avg-max { font-size: 16px; font-weight: var(--fw-bold); color: var(--color-muted); margin-left: 2px; }
.shop-reviews__cnt { font-size: var(--fs-small); color: var(--color-muted); font-weight: var(--fw-semibold); }

/* star overlay — dùng chung kỹ thuật với hero (amber fill) */
.shop-rv__stars { position: relative; display: inline-flex; font-size: 15px; line-height: 1; }
.shop-rv__stars-base { color: var(--color-border); }
.shop-rv__stars-fill { position: absolute; top: 0; left: 0; overflow: hidden; white-space: nowrap; color: var(--color-warning); }
.shop-rv__stars-base i + i, .shop-rv__stars-fill i + i { margin-left: 2px; }

.shop-reviews__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
@media (max-width: 720px) { .shop-reviews__grid { grid-template-columns: 1fr; } }

.shop-rv {
    display: flex; flex-direction: column; gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}
.shop-rv__head { display: flex; align-items: center; gap: 11px; }
.shop-rv__ava {
    width: 40px; height: 40px; flex: 0 0 40px; border-radius: var(--radius-pill);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: var(--fw-extrabold);
    background: var(--color-primary-soft); color: var(--color-primary);
}
.shop-rv[data-tone="secondary"] .shop-rv__ava { background: var(--color-secondary-soft); color: var(--color-secondary); }
.shop-rv[data-tone="accent"] .shop-rv__ava { background: var(--color-accent-soft); color: var(--color-accent); }
.shop-rv__who { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.shop-rv__name { font-size: 14px; font-weight: var(--fw-bold); color: var(--color-ink); display: inline-flex; align-items: center; gap: 6px; }
.shop-rv__verified { color: var(--color-secondary); font-size: 12px; }
.shop-rv__date { font-size: 12px; color: var(--color-muted); }
.shop-rv__rating { margin-top: 1px; }
.shop-rv__text { margin: 0; font-size: 13.5px; line-height: var(--lh-body); color: var(--color-text); }

/* ── Thông tin sản phẩm (full_desc): editorial + bút dạ teal tô cụm khóa ─────── */
.shop-about > p { margin: 0 0 var(--space-3); font-size: 16px; line-height: var(--lh-loose); color: var(--color-text); }
.shop-about > p:last-child { margin-bottom: 0; }
.shop-about > p:first-child { color: var(--color-ink); }
/* cụm khóa <strong> → bút dạ: nền teal nhạt, chữ teal đậm, bo nhẹ */
.shop-about strong, .shop-about b {
    background: var(--color-primary-soft); color: var(--color-primary-deep);
    padding: 1px 6px; border-radius: var(--radius-sm);
    font-weight: var(--fw-bold); box-decoration-break: clone; -webkit-box-decoration-break: clone;
}

/* Gallery ảnh giới thiệu SP — dưới "Thông tin sản phẩm" */
.shop-gallery { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.shop-gallery__img, .shop-section-img { width: 100%; height: auto; display: block; border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-surface); }

/* ── Tối ưu mobile — trang chi tiết sản phẩm ─────────────────────────────── */
@media (max-width: 880px) {
    /* chừa chỗ đáy cho thanh mua cố định (kể cả footer, không che nội dung) */
    body:has(.shop-buybar) { padding-bottom: 76px; }
    /* nút chat nổi (.navs-chat-fab) không đè nút "Mua ngay": nâng FAB lên trên thanh mua */
    body:has(.shop-buybar) .navs-chat-fab { bottom: calc(88px + env(safe-area-inset-bottom, 0px)); }
    /* cảm ứng không có hover → luôn hiện gợi ý "Phóng to" ảnh */
    .shop-detail__media-zoom { opacity: 1; transform: none; }
}

@media (max-width: 600px) {
    .shop { padding-top: var(--space-5); }
    /* card gọn lại — không bóp nội dung trên màn nhỏ */
    .shop-card-box, .shop-reviews__summary, .shop-rv, .shop-template { padding: var(--space-4); }
    .shop-sec { margin-bottom: var(--space-6); }

    /* tiêu đề mục: icon + chữ vừa mắt mobile */
    .shop-sec__head { gap: var(--space-2); margin-bottom: var(--space-3); }
    .shop-sec__ico { flex-basis: 40px; width: 40px; height: 40px; font-size: 18px; }
    .shop-sec__title { font-size: var(--fs-h4); }

    /* hero: giá gọn, nút mua xếp dọc full-width cho dễ bấm */
    .shop-detail__hero { margin-bottom: var(--space-6); }
    .shop-detail__price-num { font-size: 28px; }
    .shop-detail__cta { gap: 8px; }
    .shop-detail__cta .shop-btn { flex: 1 1 100%; min-width: 0; }

    /* nội dung editorial + đánh giá */
    .shop-about > p { font-size: 15px; }
    .shop-reviews__avg { font-size: 26px; }

    /* lộ trình bán kèm: header/task gọn hơn */
    .shop-rm__whead { padding: 11px 13px; gap: 10px; }
    .shop-rm__tasks { padding: 2px 10px 12px; }
    .shop-rm__task { gap: 11px; padding: 8px; }
    .shop-rm__tic { width: 34px; height: 34px; font-size: 15px; }
}

/* ── full_desc giàu cấu trúc: h3 / danh sách / khối hành động ──────────────────
   Bộ lọc HTML (html_sanitize.php) chỉ cho class tiền tố ql- / cf- / admin-callout,
   nên mọi khối đặc biệt trong full_desc phải dùng `cf-`. */
.shop-about h3 {
    margin: var(--space-6) 0 var(--space-3);
    font-size: var(--fs-h4); font-weight: var(--fw-extrabold);
    color: var(--color-ink); line-height: 1.3;
}
.shop-about h3:first-child { margin-top: 0 }
.shop-about ul { margin: 0 0 var(--space-4); padding: 0; list-style: none }
.shop-about ul li {
    position: relative; padding-left: 26px; margin-bottom: var(--space-2);
    font-size: 15.5px; line-height: var(--lh-body); color: var(--color-text);
}
/* Dấu tick vẽ bằng CSS — không nhét icon vào full_desc, vì bộ lọc cắt <i>. */
.shop-about ul li::before {
    content: '✓'; position: absolute; left: 0; top: 1px;
    width: 18px; height: 18px; border-radius: 50%;
    display: grid; place-items: center; font-size: 10px; font-weight: 700;
    background: var(--color-secondary-soft); color: var(--color-secondary-deep);
}
.shop-about blockquote {
    margin: var(--space-5) 0; padding: var(--space-4) var(--space-5);
    border-left: 3px solid var(--color-primary);
    background: var(--color-soft); border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 15.5px; line-height: var(--lh-body); color: var(--color-secondary-text);
}
.shop-about blockquote p { margin: 0 }

/* Khối hai nút: học thử + xem file mẫu */
.shop-about .cf-try { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: var(--space-5) 0 }
.shop-about .cf-try a {
    display: inline-flex; align-items: center; gap: 8px;
    min-height: 46px; padding: 0 var(--space-5);
    border-radius: var(--radius-md); text-decoration: none;
    font-size: 14.5px; font-weight: var(--fw-bold);
    background: var(--color-primary); color: var(--color-on-dark);
    border: 1px solid var(--color-primary);
    transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.shop-about .cf-try a:hover { background: var(--color-primary-hover); transform: translateY(-1px) }
/* Nút thứ hai là hành động phụ — viền, không nền đặc, để không tranh với nút chính */
.shop-about .cf-try a + a {
    background: var(--color-surface); color: var(--color-primary-deep);
    border-color: var(--color-primary-soft);
}
.shop-about .cf-try a + a:hover { background: var(--color-primary-soft) }
@media (max-width: 600px) {
    .shop-about .cf-try a { flex: 1 1 100%; justify-content: center }
}

/* ── Khối minh hoạ trong full_desc ────────────────────────────────────────────
   Bộ lọc chỉ giữ class trên div/span có tiền tố cf-, và KHÔNG cho thuộc tính
   style. Mọi con số (bề rộng thanh, màu theo thứ tự) phải là class định sẵn. */

/* Dải số liệu nhanh */
.shop-about .cf-stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3); margin: var(--space-5) 0;
}
.shop-about .cf-stat {
    padding: var(--space-4) var(--space-3); text-align: center;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.shop-about .cf-stat__n {
    display: block; font-size: 26px; line-height: 1.15;
    font-weight: var(--fw-extrabold); color: var(--color-primary-deep);
    font-variant-numeric: tabular-nums;
}
.shop-about .cf-stat__l {
    display: block; margin-top: 4px; font-size: 13px;
    line-height: 1.35; color: var(--color-muted);
}
@media (max-width: 640px) { .shop-about .cf-stats { grid-template-columns: repeat(2, 1fr) } }

/* Ba chế độ — mỗi thẻ một tông để phân biệt bằng mắt, không chỉ bằng chữ */
.shop-about .cf-modes {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3); margin: var(--space-5) 0;
}
.shop-about .cf-mode {
    position: relative; overflow: hidden;
    padding: var(--space-5) var(--space-4) var(--space-4);
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.shop-about .cf-mode::before {
    content: ''; position: absolute; inset: 0 0 auto; height: 3px;
    background: var(--color-primary);
}
.shop-about .cf-mode--2::before { background: var(--color-secondary) }
.shop-about .cf-mode--3::before { background: var(--color-accent) }
.shop-about .cf-mode__n {
    display: inline-grid; place-items: center; width: 30px; height: 30px;
    margin-bottom: var(--space-2); border-radius: 50%;
    background: var(--color-primary-soft); color: var(--color-primary-deep);
    font-size: 14px; font-weight: var(--fw-bold);
}
.shop-about .cf-mode--2 .cf-mode__n { background: var(--color-secondary-soft); color: var(--color-secondary-deep) }
.shop-about .cf-mode--3 .cf-mode__n { background: var(--color-accent-soft);    color: var(--color-accent-deep) }
.shop-about .cf-mode__t {
    display: block; margin-bottom: 4px; font-size: 15.5px;
    font-weight: var(--fw-extrabold); color: var(--color-ink);
}
.shop-about .cf-mode__d {
    display: block; font-size: 14px; line-height: var(--lh-body);
    color: var(--color-secondary-text);
}
.shop-about .cf-modes--2 { grid-template-columns: repeat(2, 1fr) }
@media (max-width: 720px) { .shop-about .cf-modes { grid-template-columns: 1fr } }

/* Thanh tỉ trọng điểm — bề rộng cố định theo class vì không dùng được inline style */
.shop-about .cf-bars { display: grid; gap: var(--space-3); margin: var(--space-4) 0 var(--space-5) }
.shop-about .cf-bar__head {
    display: flex; justify-content: space-between; align-items: baseline;
    gap: var(--space-3); margin-bottom: 6px; font-size: 14.5px;
}
.shop-about .cf-bar__name { color: var(--color-text); font-weight: var(--fw-semibold) }
.shop-about .cf-bar__pct  { color: var(--color-primary-deep); font-weight: var(--fw-bold); font-variant-numeric: tabular-nums }
.shop-about .cf-bar__track {
    /* 🚨 PHẢI có display:block — đây là <span>, mà inline thì height bị bỏ qua, con
       .cf-bar__fill (block, height:100%) tràn ra ngoài và đè lên dòng chữ phía dưới. */
    display: block;
    height: 8px; border-radius: var(--radius-pill);
    background: var(--color-line); overflow: hidden;
}
.shop-about .cf-bar__fill {
    display: block; height: 100%; border-radius: var(--radius-pill);
    background: var(--color-primary);
}
.shop-about .cf-bar--60 .cf-bar__fill { width: 60% }
.shop-about .cf-bar--25 .cf-bar__fill { width: 25%; background: var(--color-secondary) }
.shop-about .cf-bar--25 .cf-bar__pct  { color: var(--color-secondary-deep) }
.shop-about .cf-bar--15 .cf-bar__fill { width: 15%; background: var(--color-accent) }
.shop-about .cf-bar--15 .cf-bar__pct  { color: var(--color-accent-deep) }

/* Các bước học — mốc tròn nối bằng đường dọc */
.shop-about .cf-steps { margin: var(--space-5) 0 }
.shop-about .cf-step  { position: relative; padding: 0 0 var(--space-5) var(--space-10) }
.shop-about .cf-step::before {
    content: ''; position: absolute; left: 13px; top: 30px; bottom: 0;
    width: 2px; background: var(--color-line);
}
.shop-about .cf-step:last-child { padding-bottom: 0 }
.shop-about .cf-step:last-child::before { display: none }
.shop-about .cf-step__n {
    position: absolute; left: 0; top: 0; width: 28px; height: 28px;
    display: grid; place-items: center; border-radius: 50%;
    background: var(--color-primary); color: var(--color-on-dark);
    font-size: 13px; font-weight: var(--fw-bold);
}
.shop-about .cf-step__t {
    display: block; font-size: 15.5px; font-weight: var(--fw-bold);
    color: var(--color-ink); line-height: 28px;
}
.shop-about .cf-step__d {
    display: block; margin-top: 2px; font-size: 14.5px;
    line-height: var(--lh-body); color: var(--color-secondary-text);
}

/* Link thường trong mô tả — KHÔNG để rơi về xanh dương mặc định của trình duyệt.
   .cf-try a đặc tả cao hơn nên nút vẫn giữ kiểu riêng. */
.shop-about a {
    color: var(--color-primary-deep);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    font-weight: var(--fw-semibold);
    transition: color var(--dur-fast) var(--ease);
}
.shop-about a:hover { color: var(--color-primary) }

/* Dải dẫn sang kho: một câu + mũi tên, đứng riêng cho dễ thấy */
.shop-about .cf-more {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--space-4); margin: var(--space-5) 0;
    padding: var(--space-4) var(--space-5);
    background: var(--color-primary-soft); border-radius: var(--radius-md);
}
.shop-about .cf-more__t { font-size: 15px; line-height: var(--lh-body); color: var(--color-primary-deep) }
.shop-about .cf-more a {
    flex: 0 0 auto; text-decoration: none; white-space: nowrap;
    font-weight: var(--fw-bold); font-size: 14.5px; color: var(--color-primary-deep);
}
.shop-about .cf-more a:hover { text-decoration: underline }
@media (max-width: 560px) {
    .shop-about .cf-more { flex-direction: column; align-items: flex-start; gap: var(--space-2) }
}

/* ── Khối cao cấp cho mô tả sản phẩm (học cách trình bày của /tinh-nang/hoc-tu-vung) ──
   Ràng buộc: bộ lọc HTML chỉ giữ class trên div/span tiền tố cf-, không cho inline style
   và không cho <script>. Mọi thứ dưới đây là HTML tĩnh + CSS thuần. */

/* Đoạn mở đầu cỡ lớn */
.shop-about .cf-lede {
    font-size: 19px; line-height: 1.62; color: var(--color-text);
    margin: 0 0 var(--space-4);
}
.shop-about .cf-lede strong { color: var(--color-ink) }

/* Nhãn nhỏ in hoa trước tiêu đề mục */
.shop-about .cf-eyebrow {
    display: block; margin: var(--space-6) 0 calc(var(--space-2) * -1);
    font-size: 12px; font-weight: var(--fw-extrabold);
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--color-primary);
}

/* ── Khối demo nền tối: mô phỏng đúng thứ học viên nhìn thấy khi chấm bài ──
   Cố ý tối ở CẢ hai giao diện — đây là ảnh chụp sản phẩm, không phải nền trang. */
.shop-about .cf-demo {
    position: relative; overflow: hidden;
    margin: var(--space-5) 0; padding: var(--space-5);
    border-radius: var(--radius-lg);
    background: linear-gradient(150deg,
        color-mix(in srgb, var(--color-primary-deep) 92%, black) 0%,
        color-mix(in srgb, var(--color-ink) 88%, black) 65%);
    box-shadow: var(--shadow-lg);
}
.shop-about .cf-demo::after {   /* quầng sáng góc phải, cùng thủ pháp trang tính năng */
    content: ''; position: absolute; right: -70px; top: -80px;
    width: 260px; height: 260px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 30%, transparent), transparent 66%);
}
.shop-about .cf-demo__lbl {
    position: relative; display: block; margin-bottom: var(--space-4);
    font-size: 10.5px; font-weight: var(--fw-extrabold);
    letter-spacing: .12em; text-transform: uppercase;
    color: color-mix(in srgb, var(--color-on-dark) 58%, transparent);
}
.shop-about .cf-demo__note {
    position: relative; display: block; margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid color-mix(in srgb, var(--color-on-dark) 14%, transparent);
    font-size: 13.5px; line-height: var(--lh-body);
    color: color-mix(in srgb, var(--color-on-dark) 78%, transparent);
}
.shop-about .cf-demo__note b { color: var(--color-accent); font-weight: var(--fw-bold) }

/* Câu mẫu gồm các từ được tô theo mức đúng/sai */
.shop-about .cf-sent {
    position: relative; display: flex; flex-wrap: wrap; gap: 7px 6px;
    font-size: 17px; font-weight: var(--fw-semibold);
}
.shop-about .cf-w {
    padding: 3px 9px; border-radius: 7px;
    color: color-mix(in srgb, var(--color-on-dark) 88%, transparent);
    background: color-mix(in srgb, var(--color-on-dark) 8%, transparent);
}
.shop-about .cf-w--ok   { background: color-mix(in srgb, var(--color-secondary) 26%, transparent); color: var(--color-on-dark) }
.shop-about .cf-w--warn { background: color-mix(in srgb, var(--color-warning)   30%, transparent); color: var(--color-on-dark) }
.shop-about .cf-w--bad  {
    background: color-mix(in srgb, var(--color-warning) 16%, transparent);
    color: var(--color-on-dark);
    box-shadow: inset 0 -2px 0 var(--color-warning);
}

/* Chú giải màu */
.shop-about .cf-legend { position: relative; display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-4) }
.shop-about .cf-lg {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 12.5px; font-weight: var(--fw-semibold);
    color: color-mix(in srgb, var(--color-on-dark) 70%, transparent);
}
.shop-about .cf-lg::before { content: ''; width: 11px; height: 11px; border-radius: 4px; background: currentColor }
.shop-about .cf-lg--ok::before   { background: var(--color-secondary) }
.shop-about .cf-lg--warn::before { background: var(--color-warning) }
.shop-about .cf-lg--bad::before  { background: color-mix(in srgb, var(--color-warning) 45%, transparent) }

/* Hàng đối chiếu "bạn gõ / câu gốc" */
.shop-about .cf-row {
    position: relative; display: flex; gap: var(--space-4);
    padding: var(--space-3) 0;
    border-top: 1px solid color-mix(in srgb, var(--color-on-dark) 12%, transparent);
}
.shop-about .cf-row:first-of-type { border-top: 0; padding-top: 0 }
.shop-about .cf-row__k {
    flex: 0 0 74px; font-size: 11px; font-weight: var(--fw-extrabold);
    letter-spacing: .06em; text-transform: uppercase; line-height: 1.9;
    color: color-mix(in srgb, var(--color-on-dark) 52%, transparent);
}
.shop-about .cf-row__v {
    flex: 1; font-size: 15.5px; line-height: 1.75;
    color: color-mix(in srgb, var(--color-on-dark) 92%, transparent);
    font-family: var(--font-mono); word-break: break-word;
}
.shop-about .cf-del { background: color-mix(in srgb, var(--color-warning) 26%, transparent); border-radius: 4px; padding: 1px 4px }
.shop-about .cf-ins { background: color-mix(in srgb, var(--color-secondary) 26%, transparent); border-radius: 4px; padding: 1px 4px }
@media (max-width: 560px) {
    .shop-about .cf-row { flex-direction: column; gap: 2px }
    .shop-about .cf-row__k { flex: none; line-height: 1.4 }
}

/* Combo nhiều lộ trình — liệt kê thành phần trên khối "Lộ trình bán kèm" */
.shop-rm2-parts { list-style: none; margin: 0 0 var(--space-4); padding: 0; display: grid; gap: var(--space-2); }
.shop-rm2-part { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3) var(--space-4);
                  border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.shop-rm2-part__n { flex-shrink: 0; width: 26px; height: 26px; border-radius: var(--radius-pill); display: inline-flex;
                     align-items: center; justify-content: center; background: var(--color-primary-soft);
                     color: var(--color-primary-hover); font-size: var(--fs-micro); font-weight: var(--fw-bold); }
.shop-rm2-part__main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.shop-rm2-part__name { font-size: var(--fs-small); font-weight: var(--fw-bold); color: var(--color-ink); text-decoration: none; }
.shop-rm2-part__name:hover { color: var(--color-primary-hover); text-decoration: underline; }
.shop-rm2-part__meta { font-size: var(--fs-micro); color: var(--color-muted); }

/* App học v3 (22/09/2026) — học viên đăng nhập: danh sách cam kết không icon, chấm nhỏ màu thương hiệu */
.shop-detail__assure.is-plain i { display: none; }
.shop-detail__assure.is-plain li { position: relative; display: block; padding-left: 16px; }
.shop-detail__assure.is-plain li::before { content: ""; position: absolute; left: 2px; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary-hover); }

/* ═══ Chỉ đường sang gói học + chip "có trong gói" (GĐ6, 23/09/2026) ═══ */
.shop-hint {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-4) var(--space-5); flex-wrap: wrap;
    margin: 0 0 var(--space-5); padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg);
    background: var(--color-primary-soft); border: 1px solid color-mix(in srgb, var(--color-primary) 24%, transparent);
    color: var(--color-ink); text-decoration: none;
}
.shop-hint:hover { border-color: color-mix(in srgb, var(--color-primary) 45%, transparent); color: var(--color-ink); text-decoration: none; }
.shop-hint__t b { display: block; font-size: var(--fs-body); font-weight: var(--fw-bold); }
.shop-hint__t span { display: block; margin-top: 2px; font-size: var(--fs-small); line-height: var(--lh-normal); color: var(--color-secondary-text); }
.shop-hint .shop-btn { flex: none; min-height: 44px; }
.shop-card__inplan {
    display: inline-flex; align-items: center; gap: 5px; margin-top: var(--space-2); padding: 3px 10px; border-radius: var(--radius-pill);
    background: var(--color-primary-soft); color: var(--color-primary-hover); font-size: var(--fs-micro); font-weight: var(--fw-semibold);
    text-decoration: none;
}
.shop-card__inplan:hover { background: color-mix(in srgb, var(--color-primary) 18%, var(--color-surface)); color: var(--color-primary-hover); text-decoration: none; }