/* SHARED SITE COMPONENTS - loaded after responsive layers and before page CSS */
.site-main { overflow:clip; }
.site-header { position:sticky; top:0; z-index:100; }
.header-main { min-height:78px; gap:26px; }
.site-logo img { width:auto; max-width:170px; max-height:52px; object-fit:contain; }
.main-navigation { gap:22px; }
.main-navigation a { white-space:nowrap; }
.header-cart { border-radius:12px; }
.book-card-footer { justify-content:space-between; }
.add-to-cart { flex:0 0 auto; }
.book-discount-badge { position:absolute !important; top:10px !important; right:10px !important; z-index:7 !important; display:inline-flex !important; min-width:52px !important; height:34px !important; align-items:center !important; justify-content:center !important; padding:0 10px !important; border:2px solid #fff !important; border-radius:999px !important; background:#b42318 !important; color:#fff !important; font-size:.76rem !important; font-weight:900 !important; line-height:1 !important; box-shadow:0 7px 18px rgba(0,0,0,.2) !important; }
.book-card-badge { top:10px; border-radius:999px; }
.pagination { display:flex; align-items:center; justify-content:center; gap:14px; margin-top:46px; flex-wrap:wrap; }
.pagination-pages { display:flex; gap:6px; flex-wrap:wrap; justify-content:center; }
.pagination-number,
.pagination-link { display:inline-flex; min-width:42px; min-height:42px; align-items:center; justify-content:center; padding:7px 12px; border:1px solid var(--color-border); border-radius:999px; background:var(--color-surface); }
.pagination-number.active { border-color:var(--color-primary-dark); background:var(--color-primary-dark); color:#fff; }
.pagination-link.disabled { opacity:.4; pointer-events:none; }
@media (max-width:1180px) {
    .book-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:900px) {
    .container { width:min(100% - 28px,var(--container-width)); }
    .header-main { min-height:70px; }
    .site-logo img { max-width:145px; max-height:45px; }
}
@media (max-width:640px) {
    .container { width:min(100% - 20px,var(--container-width)); }
    .section { padding:54px 0; }
    .header-main { padding-inline:2px; }
    .header-cart-label { display:none; }
    .book-grid { grid-template-columns:1fr; gap:18px; }
    .book-card { border-radius:14px; }
    .book-card-cover-wrapper { padding:8px 8px 0; }
    .book-meta { padding:11px 9px 10px; }
    .book-meta h3 { margin:5px 0 7px; font-size:.9rem; line-height:1.2; }
    .book-author { font-size:.62rem; }
    .book-card-description { display:none; }
    .book-card-footer { align-items:center; gap:4px; padding-top:8px; }
    .book-card-price > span { display:none; }
    .book-card-price del { font-size:.57rem; }
    .book-card-price strong { font-size:.78rem; white-space:nowrap; }
    .add-to-cart { min-width:34px; min-height:34px; }
    .add-to-cart-text { display:none; }
    .book-discount-badge { top:5px !important; right:5px !important; min-width:38px !important; height:26px !important; padding:0 6px !important; border-width:1px !important; font-size:.6rem !important; }
    .pagination { gap:8px; margin-top:34px; }
    .pagination-link { min-width:auto; padding-inline:10px; font-size:.72rem; }
    .pagination-number { min-width:36px; min-height:36px; padding:5px 9px; }
}
@media (max-width:380px) {
    .container { width:calc(100% - 16px); }
    .book-grid { gap:14px; }
    .book-meta { padding-inline:7px; }
    .book-meta h3 { font-size:.82rem; }
    .book-card-price strong { font-size:.7rem; }
}
.cart-drawer,
.cart-drawer-item {
    background-color: var(--color-surface) !important;
    color: var(--color-text);
}
.cart-drawer-note {
    padding: 10px 12px;
    border-radius: 11px;
    background: var(--color-primary-soft);
    color: var(--color-primary-dark) !important;
    line-height: 1.45;
}
.cart-drawer-note.is-free {
    background: color-mix(in srgb, var(--color-success) 12%, var(--color-surface));
    color: var(--color-success) !important;
    font-weight: 800;
}
.book-card .book-discount-badge {
    right: 10px !important;
    left: auto !important;
    width: auto !important;
    min-width: 48px !important;
    max-width: max-content !important;
    padding-inline: 9px !important;
    white-space: nowrap !important;
}
@media (max-width: 600px) {
    .book-card .book-discount-badge {
        top: 6px !important;
        right: 6px !important;
        left: auto !important;
        width: auto !important;
        min-width: 39px !important;
        max-width: max-content !important;
        height: 26px !important;
        padding-inline: 6px !important;
        font-size: 0.6rem !important;
    }
}
.add-to-cart {
    white-space:nowrap;
}
.add-to-cart-icon {
    width:22px;
    height:22px;
    border-radius:50%;
    background:color-mix(in srgb,var(--color-on-primary,#fff) 18%,transparent);
    color:inherit;
}
.add-to-cart-icon svg { display:block; width:14px; height:14px; }
.add-to-cart-text { display:inline; font-size:11px; }
@media(max-width:600px){
    .book-card-footer { align-items:stretch; grid-template-columns:1fr; }
    .add-to-cart { width:100%; min-width:0; min-height:38px; padding:6px 8px; gap:5px; }
    .add-to-cart-icon { width:20px; height:20px; }
    .add-to-cart-text { display:inline; font-size:9px; letter-spacing:.01em; }
}
@media(max-width:350px){
    .add-to-cart-text { font-size:8px; }
}
.header-main-actions { flex: 0 0 auto; }
.site-logo { overflow: hidden; }
@media (max-width: 520px) {
    .header-main { grid-template-columns: minmax(0, 1fr) auto; gap: 6px; }
    .site-logo img { width: min(142px, 100%); max-width: 100%; }
    .header-main-actions { gap: 5px; }
    .header-cart { min-width: 44px; padding-inline: 8px; }
    .cart-count { min-width: 20px; height: 20px; padding-inline: 5px; font-size: 10px; }
    .nav-toggle { width: 42px; height: 42px; }
}
@media (max-width: 350px) {
    .site-logo img { width: 118px; }
    .header-cart { padding-inline: 6px; }
}

/* Shared numeric typography */
.book-card-price,
.book-price,
.book-price-values,
.promotion-price-pair,
.promotion-hero-summary-total,
.cart-row-price,
.cart-drawer-total,
.order-review-total,
.checkout-summary-item-price,
.admin-book-price,
.admin-order-totals {
    font-family: var(--font-sans);
    font-variant-numeric: tabular-nums;
}

/* REUSABLE BOOK GRID AND CARD */
.book-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 20px;
    align-items: stretch;
}
.book-card {
    display: flex;
    min-width: 0;
    height: 100%;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(36, 52, 54, .07);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.book-card:hover {
    border-color: color-mix(in srgb, var(--color-primary-dark) 35%, var(--color-border));
    box-shadow: 0 16px 34px var(--shadow-soft);
    transform: translateY(-3px);
}
.book-card-cover-wrapper {
    position: relative;
    padding: 16px;
    background: linear-gradient(145deg, var(--color-primary-soft), var(--color-surface));
}
.book-cover {
    display: block;
    width: 100%;
    aspect-ratio: .72;
    overflow: hidden;
    border-radius: 3px 9px 9px 3px;
    background: #fff;
    box-shadow: 8px 10px 20px rgba(36, 52, 54, .13);
}
.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .25s ease;
}
.book-card:hover .book-cover img {
    transform: scale(1.018);
}
.book-discount-badge,
.book-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    display: inline-flex;
    min-width: 46px;
    min-height: 30px;
    align-items: center;
    justify-content: center;
    padding: 5px 9px;
    border: 2px solid #fff;
    border-radius: 999px;
    background: #b42318;
    color: #fff;
    font-size: 11px;
    font-weight: 900;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .18);
}
.book-card-badge {
    right: auto;
    left: 10px;
    background: var(--color-dark);
}
.book-meta {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    padding: 17px;
}
.book-author {
    color: var(--color-primary-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.book-author:hover,
.book-meta h3 a:hover {
    color: color-mix(in srgb, var(--color-primary-dark) 74%, #000);
}
.book-card-promotions {
    display: grid;
    gap: 5px;
    margin-top: 9px;
}
.book-card-promotions a {
    display: grid;
    gap: 1px;
    padding: 7px 9px;
    border: 1px solid color-mix(in srgb, var(--color-primary-dark) 24%, var(--color-border));
    border-radius: 9px;
    background: var(--color-primary-soft);
}
.book-card-promotions span {
    color: var(--color-primary-dark);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.book-card-promotions strong {
    overflow: hidden;
    font-size: 11px;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.book-meta h3 {
    margin: 10px 0 8px;
    font-size: 17px;
    line-height: 1.35;
}
.book-card-description {
    display: -webkit-box;
    margin: 0 0 15px;
    overflow: hidden;
    color: var(--color-muted);
    font-size: 12px;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.book-card-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: end;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
}
.book-card-price {
    display: flex;
    min-width: 0;
    flex-direction: column;
}
.book-card-price > span {
    color: var(--color-muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.book-card-price del {
    color: var(--color-muted);
    font-size: 10px;
}
.book-card-price strong {
    font-size: 14px;
    line-height: 1.25;
    white-space: nowrap;
}
.add-to-cart {
    display: inline-flex;
    min-width: 104px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 12px;
    border: 1px solid var(--color-primary-dark);
    border-radius: 999px;
    background: var(--color-primary-dark);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
.add-to-cart:hover,
.add-to-cart.added {
    background: var(--color-dark);
    transform: translateY(-1px);
}
.add-to-cart-icon {
    display: grid;
    place-items: center;
}
.book-card-unavailable {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    color: var(--color-error);
    font-size: 11px;
    font-weight: 800;
}
@media (max-width: 1100px) {

    .book-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 680px) {

    .book-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px 10px;
    }

    .book-card {
        display: flex;
        min-width: 0;
        flex-direction: column;
    }

    .book-card-cover-wrapper {
        padding: 9px;
    }

    .book-meta {
        padding: 11px 10px 10px;
    }

    .book-author {
        overflow: hidden;
        font-size: 9px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .book-meta h3 {
        display: -webkit-box;
        min-height: 35px;
        margin: 7px 0 8px;
        overflow: hidden;
        font-size: 14px;
        line-height: 1.25;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
    }

    .book-card-description {
        display: none;
    }

    .book-card-promotions {
        margin-top: 7px;
    }

    .book-card-promotions a {
        padding: 5px 6px;
    }

    .book-card-promotions span {
        font-size: 8px;
    }

    .book-card-promotions strong {
        font-size: 9px;
    }

    .book-card-footer {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 6px;
        align-items: end;
        padding-top: 10px;
    }

    .book-card-price > span {
        font-size: 8px;
    }

    .book-card-price del {
        font-size: 9px;
    }

    .book-card-price strong {
        font-size: 12px;
    }

    .add-to-cart {
        width: 38px;
        min-width: 38px;
        min-height: 38px;
        padding: 0;
        flex-shrink: 0;
    }

    .add-to-cart-text {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .book-card-unavailable {
        max-width: 58px;
        min-height: 38px;
        font-size: 9px;
        line-height: 1.2;
        text-align: right;
    }

    .book-discount-badge,
.book-card-badge {
        top: 6px;
        right: 6px;
        min-width: 38px;
        min-height: 26px;
        padding: 4px 7px;
        font-size: 9px;
    }

    .book-card-badge {
        right: auto;
        left: 6px;
    }
}
@media (max-width: 430px) {

    .book-grid {
        gap: 13px 8px;
    }

    .book-card-cover-wrapper {
        padding: 7px;
    }

    .book-meta {
        padding: 9px 8px;
    }

    .book-meta h3 {
        min-height: 33px;
        font-size: 13px;
    }

    .book-card-footer {
        gap: 4px;
    }

    .book-card-price strong {
        font-size: 11px;
    }

    .add-to-cart {
        width: 34px;
        min-width: 34px;
        min-height: 34px;
    }
}
/* SHARED BOOK PAGINATION */
.books-pagination {
    width: 100%;
    margin-top: 38px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.books-pagination::-webkit-scrollbar {
    display: none;
}
.books-pagination-track {
    display: flex;
    width: max-content;
    min-width: max-content;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-inline: auto;
    padding: 2px;
}
.books-pagination-pages {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 7px;
}
.books-pagination-arrow,
.books-pagination-number {
    display: inline-flex;
    width: 42px;
    min-width: 42px;
    height: 42px;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: #fff;
    color: var(--color-text);
    font-size: 12px;
    font-weight: 800;
    transition: border-color .18s ease, background-color .18s ease, color .18s ease, transform .18s ease;
}
.books-pagination-arrow svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.9;
}
.books-pagination-number.active,
.books-pagination-arrow:hover,
.books-pagination-number:hover {
    border-color: var(--color-primary-dark);
    background: var(--color-primary-dark);
    color: #fff;
}
.books-pagination-arrow:hover {
    transform: translateY(-1px);
}
.books-pagination-number.active {
    pointer-events: none;
}
.books-pagination-ellipsis {
    display: inline-flex;
    min-width: 26px;
    height: 42px;
    flex: 0 0 26px;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-weight: 700;
}
@media (max-width: 680px) {

    .books-pagination-track,
.books-pagination-pages {
        gap: 5px;
    }

    .books-pagination-arrow,
.books-pagination-number {
        width: 38px;
        min-width: 38px;
        height: 38px;
        flex-basis: 38px;
        border-radius: 9px;
    }

    .books-pagination-ellipsis {
        min-width: 18px;
        height: 38px;
        flex-basis: 18px;
    }
}
@media (max-width: 430px) {
    .books-pagination-track,
.books-pagination-pages {
        gap: 3px;
    }
    .books-pagination-arrow,
.books-pagination-number {
        width: 32px;
        min-width: 32px;
        height: 32px;
        flex-basis: 32px;
        border-radius: 8px;
        font-size: 11px;
    }
    .books-pagination-ellipsis {
        min-width: 12px;
        height: 32px;
        flex-basis: 12px;
        font-size: 11px;
    }
}