/* ==========================================================================
   Components: buttons, cards
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 44px;
    padding: 0 26px;
    font-size: var(--text-button);
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    border: 1.5px solid transparent;
    border-radius: var(--radius-pill);
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn .icon {
    font-size: 19px;
}

.btn--lg {
    height: 48px;
    padding: 0 34px;
    font-size: 17px;
}

.btn--orange {
    color: var(--color-white);
    background: var(--color-orange);
    box-shadow: 0 6px 16px rgba(242, 91, 18, 0.22);
}

.btn--orange:hover {
    background: var(--color-orange-600);
}

.btn--primary {
    color: var(--color-white);
    background: var(--color-primary);
    box-shadow: 0 6px 16px rgba(7, 115, 103, 0.2);
}

.btn--primary:hover {
    background: var(--color-primary-700);
}

.btn--zalo {
    color: var(--color-white);
    background: var(--color-zalo);
    box-shadow: 0 6px 16px rgba(47, 135, 240, 0.22);
}

.btn--zalo:hover {
    background: #1f74da;
}

.btn--zalo svg {
    width: 30px;
    height: 20px;
    flex-shrink: 0;
}

.btn--outline {
    color: var(--color-primary-700);
    background: var(--color-white);
    border-color: var(--color-primary-600);
}

.btn--outline:hover {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ---------- Category card ---------- */
.category-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition), transform var(--transition);
}

.category-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.category-card__media {
    aspect-ratio: 233 / 151;
    overflow: hidden;
    background: var(--color-mint-50);
}

.category-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card__body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 11px 10px 9px;
    background: var(--color-mint-50);
    text-align: center;
}

.category-card__title {
    font-size: var(--text-card-title);
    font-weight: 600;
    line-height: 1.3;
}

.category-card__arrow {
    font-size: 17px;
    color: var(--color-primary-700);
    transition: transform var(--transition);
}

.category-card:hover .category-card__arrow {
    transform: translateX(3px);
}

/* ---------- Danh mục dạng trượt ngang (khi > 5 mục, bật bởi main.js) ---------- */
.category-slider {
    position: relative;
    --slider-gap: 18px;
    --slider-per-view: 5;
}

.category-slider.is-carousel .category-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - (var(--slider-per-view) - 1) * var(--slider-gap)) / var(--slider-per-view));
    gap: var(--slider-gap);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* chừa chỗ cho bóng đổ khi hover */
    padding: 4px 0 8px;
    margin: -4px 0 -8px;
}

.category-slider.is-carousel .category-grid::-webkit-scrollbar {
    display: none;
}

.category-slider.is-carousel .category-card {
    scroll-snap-align: start;
}

.category-slider.is-carousel .category-card:hover {
    transform: none;
}

.slider-arrow {
    position: absolute;
    top: 38%;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--color-primary-700);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    transform: translateY(-50%);
    transition: opacity var(--transition), background-color var(--transition), color var(--transition);
}

.slider-arrow[hidden] {
    display: none;
}

.slider-arrow--prev { left: -21px; }
.slider-arrow--next { right: -21px; }

.slider-arrow:hover:not(:disabled) {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.slider-arrow:disabled {
    cursor: default;
    opacity: 0.35;
}

.slider-arrow .icon {
    font-size: 20px;
}

/* ---------- Product card ---------- */
.product-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow-md);
}

.product-card__media {
    display: block;
    height: 190px;
    background: var(--color-white);
}

.product-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 10px 16px 16px;
    text-align: center;
}

.product-card__title {
    font-size: var(--text-card-title);
    font-weight: 700;
    line-height: 1.3;
}

.product-card__title a:hover {
    color: var(--color-primary-700);
}

.product-card__desc {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.45;
    color: var(--color-muted);
}

.product-card__actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
    padding-top: 12px;
}

.icon-btn {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 54px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: filter var(--transition), transform var(--transition);
}

.icon-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.icon-btn--phone {
    color: var(--color-white);
    background: var(--color-primary-600);
}

.icon-btn--phone .icon {
    font-size: 20px;
}

.icon-btn--zalo {
    width: 50px;
    background: var(--color-zalo);
}

.icon-btn--zalo svg {
    width: 38px;
    height: 25px;
}

.product-card__detail {
    flex: 1;
    min-width: 0;
    height: 44px;
    padding: 0 12px;
    font-size: 14.5px;
    border-radius: var(--radius-sm);
}

.product-card__detail .icon {
    font-size: 17px;
}

/* ---------- Post card ---------- */
.post-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-md);
}

.post-card__media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-mint-50);
}

.post-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-card__media img {
    transform: scale(1.04);
}

.post-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 12px 14px 12px;
}

.post-card__title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
}

.post-card__title a:hover {
    color: var(--color-primary-700);
}

.post-card__excerpt {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.45;
    color: var(--color-muted);
}

.post-card__more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-primary-700);
}

.post-card__more .icon {
    font-size: 15px;
}

.post-card__more:hover {
    color: var(--color-orange);
}

.post-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-bottom: 6px;
    font-size: 12.5px;
    color: var(--color-muted);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    color: var(--color-muted);
}

.breadcrumb a:hover {
    color: var(--color-primary-700);
}

.breadcrumb .icon {
    font-size: 14px;
    color: #9aa5ad;
}

.breadcrumb [aria-current] {
    color: var(--color-heading);
    font-weight: 500;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.pagination a,
.pagination span {
    display: grid;
    place-items: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--color-heading);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.pagination a:hover {
    color: var(--color-primary-700);
    border-color: var(--color-primary-600);
}

.pagination .is-current {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}