/* ==========================================================================
       KAMSSA BOOKSHOP THEME — Modern Dark Green UI/UX
       ========================================================================== */
    :root {
      --k-bg-dark: #051a0f;
      --k-bg-card: #0a2e1a;
      --k-bg-card-hover: #0d3a22;
      --k-bg-header: rgba(5, 26, 15, 0.92);
      --k-bg-input: rgba(255, 255, 255, 0.06);
      --k-bg-tag: rgba(46, 204, 113, 0.15);
      
      --k-green-primary: #2ecc71;
      --k-green-hover: #27ae60;
      --k-green-light: #a3e4c4;
      --k-green-dark: #1a5c3a;
      
      --k-text-white: #ffffff;
      --k-text-light: #d1e8d8;
      --k-text-muted: #7a9b8a;
      
      --k-border: rgba(46, 204, 113, 0.2);
      --k-border-light: rgba(255, 255, 255, 0.1);
      
      --k-radius-card: 16px;
      --k-radius-pill: 999px;
      --k-radius-sm: 8px;
      
      --k-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
      --k-shadow-glow: 0 0 20px rgba(46, 204, 113, 0.2);
      
      --k-font-heading: 'Poppins', sans-serif;
      --k-font-body: 'Inter', sans-serif;

      /* Bootstrap Overrides */
      --bs-body-bg: var(--k-bg-dark);
      --bs-body-color: var(--k-text-light);
      --bs-body-font-family: var(--k-font-body);
      --bs-heading-color: var(--k-text-white);
      --bs-link-color: var(--k-green-primary);
      --bs-link-hover-color: var(--k-green-light);
      --bs-border-color: var(--k-border);
      --bs-emphasis-color: var(--k-text-white);
      --bs-secondary-color: var(--k-text-muted);
      --bs-focus-ring-color: rgba(46, 204, 113, 0.4);
    }

    /* --- Base & Typography --- */
    body {
      background-color: var(--k-bg-dark);
      background-image: radial-gradient(ellipse at 50% 0%, rgba(46, 204, 113, 0.08) 0%, transparent 60%);
      color: var(--k-text-light);
      -webkit-font-smoothing: antialiased;
      font-family: var(--k-font-body);
      padding-top: 2rem;
      padding-bottom: 2rem;
    }
    
    h1, h2, h3, h4, h5, h6, .h1, .h2, .h3 {
      font-family: var(--k-font-heading);
      font-weight: 700;
      color: var(--k-text-white);
      letter-spacing: -0.02em;
    }
    
    a { color: var(--k-green-primary); text-decoration: none; transition: color 0.2s; }
    a:hover { color: var(--k-green-light); }
    
    .text-soft { color: var(--k-text-muted) !important; }
    .text-green { color: var(--k-green-primary) !important; }
    
    /* Scrollbar */
    ::-webkit-scrollbar { width: 8px; height: 8px; }
    ::-webkit-scrollbar-track { background: var(--k-bg-dark); }
    ::-webkit-scrollbar-thumb { background: var(--k-green-dark); border-radius: 4px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--k-green-primary); }

    /* --- Buttons --- */
    .btn-k {
      font-family: var(--k-font-heading);
      font-weight: 600;
      border-radius: var(--k-radius-pill);
      padding: 0.65rem 1.5rem;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      border: none;
    }
    .btn-k svg { width: 1.1em; height: 1.1em; }
    
    .btn-k-primary {
      background-color: var(--k-green-primary);
      color: var(--k-bg-dark);
      box-shadow: 0 4px 14px rgba(46, 204, 113, 0.3);
    }
    .btn-k-primary:hover {
      background-color: var(--k-green-hover);
      color: var(--k-bg-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
    }
    
    .btn-k-outline {
      color: var(--k-green-primary);
      border: 1.5px solid var(--k-green-primary);
      background: transparent;
    }
    .btn-k-outline:hover {
      background: var(--k-green-primary);
      color: var(--k-bg-dark);
    }

    /* --- Page Head --- */
    .page-head-k {
      padding: 2rem 0 1rem;
      margin-bottom: 2rem;
    }
    .page-head-k h1 {
      font-size: 2.5rem;
      font-weight: 800;
      margin-bottom: 0.5rem;
    }
    .page-head-k p {
      color: var(--k-text-muted);
      font-size: 1rem;
      max-width: 40rem;
    }
    .breadcrumb-k {
      display: flex;
      gap: 0.5rem;
      list-style: none;
      padding: 0;
      margin: 0 0 1rem;
      font-size: 0.85rem;
    }
    .breadcrumb-k a { color: var(--k-text-muted); }
    .breadcrumb-k a:hover { color: var(--k-green-primary); }
    .breadcrumb-k li.active { color: var(--k-green-primary); font-weight: 600; }
    .breadcrumb-k li + li::before { content: '/'; margin-right: 0.5rem; color: var(--k-text-muted); }

    /* --- Shop Layout --- */
    .shop-layout-k {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 2rem;
      align-items: start;
    }

    /* --- Filter Sidebar --- */
    .filter-sidebar-k {
      background: var(--k-bg-card);
      border: 1px solid var(--k-border);
      border-radius: var(--k-radius-card);
      padding: 1.5rem;
      position: sticky;
      top: 2rem;
    }
    .shop-search-k {
      position: relative;
      margin-bottom: 1.5rem;
    }
    .shop-search-k svg {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--k-text-muted);
      pointer-events: none;
    }
    .shop-search-k input {
      width: 100%;
      background: var(--k-bg-input);
      border: 1px solid var(--k-border-light);
      border-radius: var(--k-radius-sm);
      padding: 0.6rem 1rem 0.6rem 2.5rem;
      color: #fff;
      font-size: 0.85rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .shop-search-k input:focus { border-color: var(--k-green-primary); }
    .shop-search-k input::placeholder { color: var(--k-text-muted); }

    .filter-group-k { margin-bottom: 1.5rem; }
    .filter-group-k:last-child { margin-bottom: 0; }
    .filter-group-k legend {
      font-family: var(--k-font-heading);
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--k-green-primary);
      margin-bottom: 0.75rem;
      padding: 0;
      border: none;
      display: block;
      width: 100%;
    }
    .filter-option-k {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.4rem 0;
      cursor: pointer;
      font-size: 0.85rem;
      color: var(--k-text-light);
      transition: color 0.2s;
    }
    .filter-option-k:hover { color: #fff; }
    .filter-option-k input[type="checkbox"] {
      width: 16px;
      height: 16px;
      accent-color: var(--k-green-primary);
      cursor: pointer;
      background: var(--k-bg-dark);
      border: 1px solid var(--k-border);
      border-radius: 3px;
    }
    .filter-option-k .count {
      margin-left: auto;
      font-size: 0.7rem;
      color: var(--k-text-muted);
      background: rgba(255,255,255,0.05);
      padding: 0.1rem 0.4rem;
      border-radius: var(--k-radius-pill);
    }
    .filter-show-more {
      font-size: 0.8rem;
      color: var(--k-green-primary);
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.3rem;
      margin-top: 0.3rem;
    }
    .filter-clear-k {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.8rem;
      color: var(--k-text-muted);
      cursor: pointer;
      margin-top: 1.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--k-border-light);
      transition: color 0.2s;
    }
    .filter-clear-k:hover { color: #fff; }

    /* --- Shop Toolbar --- */
    .shop-toolbar-k {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.5rem;
      flex-wrap: wrap;
    }
    .result-count-k {
      font-size: 0.85rem;
      color: var(--k-text-muted);
      margin: 0;
    }
    .shop-sort-k {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .shop-sort-k label {
      font-size: 0.8rem;
      color: var(--k-text-muted);
      white-space: nowrap;
    }
    .shop-sort-k select {
      background: var(--k-bg-input);
      border: 1px solid var(--k-border-light);
      border-radius: var(--k-radius-sm);
      color: #fff;
      padding: 0.4rem 0.8rem;
      font-size: 0.8rem;
      outline: none;
      cursor: pointer;
    }
    .shop-sort-k select:focus { border-color: var(--k-green-primary); }

    /* --- Book Grid --- */
    .book-grid-k {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 1.5rem;
    }
    
    .book-card-k {
      background: var(--k-bg-card);
      border: 1px solid var(--k-border);
      border-radius: var(--k-radius-card);
      overflow: hidden;
      transition: all 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .book-card-k:hover {
      transform: translateY(-5px);
      border-color: var(--k-green-primary);
      box-shadow: var(--k-shadow-glow);
    }
    .book-card-cover-k {
      position: relative;
      padding: 1.5rem 1.5rem 0.5rem;
      display: flex;
      justify-content: center;
      background: rgba(0, 0, 0, 0.2);
    }
    .book-card-cover-k .cover {
      width: 130px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.5);
      transition: transform 0.3s ease;
    }
    .book-card-k:hover .book-card-cover-k .cover {
      transform: scale(1.05) rotate(-1deg);
    }
    .book-card-badges-k {
      position: absolute;
      top: 0.75rem;
      left: 0.75rem;
      display: flex;
      gap: 0.35rem;
      z-index: 2;
    }
    .badge-k {
      font-size: 0.6rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      padding: 0.2rem 0.5rem;
      border-radius: var(--k-radius-pill);
      color: #fff;
    }
    .badge-k.new { background: var(--k-green-primary); color: var(--k-bg-dark); }
    .badge-k.pick { background: #f39c12; color: #fff; }
    .badge-k.signed { background: #3498db; color: #fff; }

    .book-card-body-k {
      padding: 0.75rem 1rem 1rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .book-card-genre-k {
      font-size: 0.65rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--k-green-primary);
      margin-bottom: 0.25rem;
    }
    .book-card-title-k {
      font-size: 0.95rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.1rem;
      line-height: 1.3;
    }
    .book-card-title-k a { color: #fff; }
    .book-card-title-k a:hover { color: var(--k-green-primary); }
    .book-card-author-k {
      font-size: 0.8rem;
      color: var(--k-text-muted);
      margin-bottom: 0.4rem;
    }
    .book-card-rating-k {
      display: flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 0.75rem;
      color: var(--k-text-light);
      margin-bottom: 0.5rem;
    }
    .book-card-rating-k .stars { font-size: 0.75rem; }
    .book-card-footer-k {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 0.5rem;
      border-top: 1px solid var(--k-border-light);
    }
    .book-card-price-k {
      font-family: var(--k-font-heading);
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      line-height: 1;
    }
    .book-card-price-k small {
      display: block;
      font-size: 0.65rem;
      font-weight: 400;
      color: var(--k-text-muted);
      margin-top: 0.1rem;
    }
    .btn-add-k {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--k-bg-tag);
      border: 1px solid var(--k-border);
      color: var(--k-green-primary);
      display: grid;
      place-items: center;
      transition: all 0.2s;
    }
    .btn-add-k:hover {
      background: var(--k-green-primary);
      color: var(--k-bg-dark);
      border-color: var(--k-green-primary);
    }
    .btn-add-k svg { width: 14px; height: 14px; }

    /* --- Empty State --- */
    .shop-empty-k {
      padding: 4rem 2rem;
      text-align: center;
      background: var(--k-bg-card);
      border: 1px dashed var(--k-border);
      border-radius: var(--k-radius-card);
    }
    .shop-empty-k svg {
      width: 100px;
      height: auto;
      margin-bottom: 1.5rem;
      color: var(--k-green-dark);
    }
    .shop-empty-k h2 {
      font-size: 1.5rem;
      color: #fff;
      margin-bottom: 0.5rem;
    }
    .shop-empty-k p {
      color: var(--k-text-muted);
      margin-bottom: 1.5rem;
    }

    /* --- Basket Drawer --- */
    .cart-drawer-k {
      background: var(--k-bg-card) !important;
      border-left: 1px solid var(--k-border) !important;
      color: var(--k-text-light);
      width: 400px;
    }
    .cart-drawer-k .offcanvas-header { border-bottom: 1px solid var(--k-border); padding: 1.25rem 1.5rem; }
    .cart-drawer-k .offcanvas-title { color: #fff; font-size: 1.25rem; }
    .cart-drawer-k .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
    .cart-drawer-k .offcanvas-body { padding: 1.5rem; }
    
    .cart-ship-k {
      background: rgba(46, 204, 113, 0.1);
      border: 1px solid var(--k-border);
      border-radius: var(--k-radius-sm);
      padding: 0.75rem 1rem;
      font-size: 0.85rem;
      margin-bottom: 1rem;
    }
    .ship-track-k { height: 4px; background: var(--k-bg-dark); border-radius: 4px; overflow: hidden; margin-top: 0.5rem; }
    .ship-track-k span { display: block; height: 100%; background: var(--k-green-primary); border-radius: inherit; transition: width 0.4s; }
    
    .cart-line-k {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 1rem;
      padding: 1rem 0;
      border-bottom: 1px solid var(--k-border-light);
    }
    .cart-line-cover-k .cover { width: 100%; }
    .cart-line-title-k { font-size: 0.95rem; color: #fff; margin: 0 0 0.15rem; }
    .cart-line-title-k a { color: #fff; }
    .cart-line-title-k a:hover { color: var(--k-green-primary); }
    .cart-line-meta-k { font-size: 0.8rem; color: var(--k-text-muted); margin-bottom: 0.5rem; }
    .cart-line-row-k { display: flex; justify-content: space-between; align-items: center; }
    .cart-line-price-k { font-family: var(--k-font-heading); font-weight: 700; color: var(--k-green-primary); }
    .cart-line-remove-k { background: none; border: none; color: var(--k-text-muted); font-size: 0.8rem; text-decoration: underline; cursor: pointer; padding: 0; margin-top: 0.35rem; }
    .cart-line-remove-k:hover { color: #e74c3c; }
    
    .cart-empty-k { text-align: center; padding: 3rem 1rem; }
    .cart-empty-k svg { width: 80px; height: 80px; color: var(--k-green-dark); margin-bottom: 1rem; }
    .cart-empty-k h3 { color: #fff; font-size: 1.25rem; margin-bottom: 0.5rem; }
    .cart-empty-k p { color: var(--k-text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
    
    .cart-footer-k { border-top: 1px solid var(--k-border); padding: 1.25rem 1.5rem; background: rgba(0,0,0,0.2); }
    .cart-total-k { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1rem; }
    .cart-total-k dt { color: var(--k-text-muted); font-weight: 500; }
    .cart-total-k dd { font-family: var(--k-font-heading); font-size: 1.5rem; font-weight: 800; color: var(--k-green-primary); margin: 0; }

    /* --- Toast --- */
    .toast-lite-k {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      background: var(--k-bg-card);
      border: 1px solid var(--k-green-primary);
      border-radius: var(--k-radius-card);
      padding: 1rem 1.25rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      box-shadow: var(--k-shadow-glow), var(--k-shadow);
      z-index: 9999;
      transform: translateY(150%);
      opacity: 0;
      transition: all 0.3s ease;
      max-width: 360px;
    }
    .toast-lite-k.is-shown { transform: translateY(0); opacity: 1; }
    .toast-cover-k { width: 40px; flex: none; }
    .toast-cover-k .cover { width: 100%; }
    .toast-text-k { flex: 1; min-width: 0; }
    .toast-text-k em { display: block; font-style: normal; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--k-green-primary); margin-bottom: 0.15rem; }
    .toast-text-k strong { display: block; font-size: 0.9rem; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .toast-text-k span { font-size: 0.8rem; color: var(--k-text-muted); }
    .toast-lite-k button { background: var(--k-green-primary); border: none; color: var(--k-bg-dark); font-weight: 600; font-size: 0.8rem; padding: 0.4rem 0.8rem; border-radius: var(--k-radius-pill); cursor: pointer; white-space: nowrap; }
    .toast-lite-k button:hover { background: var(--k-green-hover); }

    /* --- Cover Styles (Generated) --- */
    .cover {
      position: relative;
      display: block;
      width: 100%;
      aspect-ratio: 2 / 3;
      container-type: inline-size;
      overflow: hidden;
      isolation: isolate;
      background-color: var(--bg);
      color: var(--fg);
      border-radius: 2px 5px 5px 2px;
      text-align: left;
      box-shadow: 0 1px 1px rgba(40, 22, 12, .14), 0 8px 16px -6px rgba(40, 22, 12, .35), 0 22px 30px -22px rgba(40, 22, 12, .55);
    }
    .cover::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 5;
      pointer-events: none;
      background: linear-gradient(90deg, rgba(0, 0, 0, .24) 0, rgba(0, 0, 0, .06) 2.6%, rgba(255, 255, 255, .22) 3.8%, rgba(255, 255, 255, 0) 6.5%, rgba(0, 0, 0, .05) 8%, transparent 13%), linear-gradient(165deg, rgba(255, 255, 255, .12), transparent 42%, rgba(0, 0, 0, .07));
    }
    .cover-art, .cover-art::before, .cover-art::after { position: absolute; content: ""; }
    .cover-art { inset: 0; z-index: 0; }
    .cover-text {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 11cqi 9cqi 9cqi 13cqi;
    }
    .cover-kicker {
      margin-bottom: 4cqi;
      font-family: var(--k-font-body);
      font-size: 4.3cqi;
      font-weight: 600;
      letter-spacing: .2em;
      text-transform: uppercase;
      opacity: .88;
    }
    .cover-title {
      font-family: var(--k-font-heading);
      font-size: var(--ts);
      font-weight: 700;
      line-height: 1.04;
      letter-spacing: -.01em;
      overflow-wrap: break-word;
      text-wrap: balance;
    }
    .cover-author {
      margin-top: auto;
      font-family: var(--k-font-body);
      font-size: 4.8cqi;
      font-weight: 600;
      letter-spacing: .12em;
      line-height: 1.25;
      text-transform: uppercase;
    }
    .cover[data-f="black"] .cover-title { font-weight: 900; text-transform: uppercase; line-height: .94; letter-spacing: -.015em; }
    .cover[data-f="italic"] .cover-title { font-style: italic; font-weight: 500; line-height: 1.06; }
    .cover[data-f="sans"] .cover-title { font-family: var(--k-font-body); font-stretch: 75%; font-weight: 700; text-transform: uppercase; line-height: .96; letter-spacing: 0; }
    .cover[data-f="wide"] .cover-title { font-family: var(--k-font-body); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; line-height: 1.2; }
    @container (max-width: 90px) { .cover-kicker, .cover-author { display: none; } }
    .cover--arch .cover-art::before { left: 17cqi; right: 11cqi; top: 12cqi; bottom: 30cqi; background: var(--ac); border-radius: 60cqi 60cqi 1.5cqi 1.5cqi; }
    .cover--arch .cover-text { align-items: center; text-align: center; padding: 30cqi 16cqi 10cqi 22cqi; }
    .cover--arch .cover-kicker, .cover--arch .cover-title { color: var(--bg); }
    .cover--arch .cover-title { margin: 1cqi 0 auto; }
    .cover--arch .cover-author { margin-top: 0; }
    .cover--sun .cover-art::before { width: 62cqi; aspect-ratio: 1; left: 24cqi; top: 22cqi; border-radius: 50%; background: var(--ac); }
    .cover--sun .cover-art::after { left: 0; right: 0; top: 66cqi; bottom: 0; border-top: .7cqi solid var(--fg); background: linear-gradient(var(--ac), var(--ac)) 56% 4cqi / 40cqi .9cqi no-repeat, linear-gradient(var(--ac), var(--ac)) 56% 8.5cqi / 26cqi .9cqi no-repeat, linear-gradient(var(--ac), var(--ac)) 56% 13cqi / 14cqi .9cqi no-repeat, var(--bg); }
    .cover--sun .cover-author { order: -1; margin: 0 0 auto; }
    .cover--sun .cover-kicker { margin-bottom: 2.5cqi; }
    .cover--line .cover-art::after { width: 15cqi; aspect-ratio: 1; right: 10cqi; bottom: 10cqi; border-radius: 50%; background: var(--ac); }
    .cover--line .cover-text { padding-top: 16cqi; }
    .cover--line .cover-title { order: 1; }
    .cover--line .cover-author { order: 2; align-self: flex-start; margin-top: 5cqi; padding-top: 4cqi; border-top: .5cqi solid currentColor; font-size: 4.4cqi; }
    .cover--line .cover-kicker { order: 3; margin: auto 0 1cqi; }
    .cover--dots .cover-art::before { left: 0; right: 0; bottom: 0; height: 64%; background: radial-gradient(circle, var(--ac) 0 44%, transparent 46%) 0 0 / 7cqi 7cqi; -webkit-mask-image: linear-gradient(to bottom, transparent, #000 88%); mask-image: linear-gradient(to bottom, transparent, #000 88%); }
    .cover--dots .cover-author { margin-top: 5cqi; }
    .cover--waves .cover-art::before { left: -30cqi; right: -30cqi; bottom: -26cqi; height: 110cqi; background: repeating-radial-gradient(circle at 50% 100%, var(--ac) 0 1.5cqi, transparent 1.5cqi 5.6cqi); opacity: .9; }
    .cover--waves .cover-author { margin-top: 5cqi; }
    .cover--bigtype .cover-art::before { inset: 4.5cqi 4.5cqi 4.5cqi 8cqi; border: .5cqi solid color-mix(in srgb, var(--fg) 28%, transparent); }
    .cover--bigtype .cover-title span { display: block; }
    .cover--bigtype .cover-title span:nth-child(even) { color: var(--ac); }
    .cover--bigtype .cover-kicker { color: var(--ac); opacity: 1; }
    .cover--bigtype .cover-author { padding-top: 4cqi; border-top: .6cqi solid var(--ac); }
    .cover--grid .cover-art::before { left: 20cqi; right: 12cqi; top: 11cqi; height: 56cqi; border: .9cqi solid var(--ac); border-bottom: 0; border-radius: 40cqi 40cqi 0 0; background: linear-gradient(90deg, transparent calc(50% - .5cqi), var(--ac) 0 calc(50% + .5cqi), transparent 0), repeating-linear-gradient(90deg, transparent 0 8.5cqi, color-mix(in srgb, var(--ac) 65%, transparent) 8.5cqi 9.1cqi), repeating-linear-gradient(0deg, transparent 0 10cqi, color-mix(in srgb, var(--ac) 65%, transparent) 10cqi 10.6cqi); }
    .cover--grid .cover-art::after { left: 13cqi; right: 6cqi; top: 67cqi; height: 1cqi; background: var(--ac); }
    .cover--grid .cover-text { padding-top: 75cqi; }
    .cover--frame .cover-art::before { inset: 6cqi 6cqi 6cqi 9cqi; border: 1.1cqi solid var(--ac); }
    .cover--frame .cover-art::after { inset: 9.5cqi 9.5cqi 9.5cqi 12.5cqi; border: .4cqi solid var(--ac); }
    .cover--frame .cover-text { align-items: center; justify-content: center; text-align: center; padding: 18cqi 16cqi 16cqi 19cqi; }
    .cover--frame .cover-kicker { color: var(--ac); opacity: 1; }
    .cover--frame .cover-title::after { content: ""; display: block; width: 4.5cqi; height: 4.5cqi; margin: 6cqi auto 0; background: var(--ac); transform: rotate(45deg); }
    .cover--frame .cover-author { margin-top: 6cqi; }
    .cover--rays .cover-art::before { inset: 0; background: repeating-conic-gradient(from -90deg at 50% 112%, var(--ac) 0 4.5deg, transparent 4.5deg 9deg); }
    .cover--rays .cover-text { padding: 9cqi 8cqi 9cqi 12cqi; }
    .cover--rays .cover-kicker { align-self: flex-start; margin: 0 0 3cqi; padding: 1.4cqi 2.6cqi; background: var(--fg); color: var(--bg); opacity: 1; }
    .cover--rays .cover-title { padding: 4cqi 5cqi 4.5cqi; background: var(--bg); box-shadow: 0 0 0 .7cqi var(--fg); }
    .cover--rays .cover-author { align-self: flex-start; padding: 2cqi 3cqi; background: var(--bg); }
    .cover--split .cover-art::before { left: 0; right: 0; bottom: 0; height: 42%; background: var(--ac); }
    .cover--split .cover-art::after { width: 20cqi; aspect-ratio: 1; right: 9cqi; top: calc(58% - 10cqi); border-radius: 50%; background: var(--fg); }
    .cover--split .cover-text { display: grid; grid-template-rows: 58% 1fr; padding: 0 9cqi 0 13cqi; }
    .cover--split .cover-kicker { display: none; }
    .cover--split .cover-title { align-self: end; padding: 0 16cqi 7cqi 0; }
    .cover--split .cover-author { align-self: start; margin: 0; padding-top: 8cqi; color: var(--bg); }
    .cover--orbit .cover-art { background: radial-gradient(circle at 50% 66%, var(--a2) 0 3.2cqi, transparent 3.4cqi), radial-gradient(circle at 16% 36%, var(--fg) 0 .45cqi, transparent .65cqi), radial-gradient(circle at 86% 30%, var(--fg) 0 .5cqi, transparent .7cqi), radial-gradient(circle at 64% 47%, var(--fg) 0 .35cqi, transparent .55cqi), radial-gradient(circle at 26% 88%, var(--fg) 0 .4cqi, transparent .6cqi), radial-gradient(circle at 90% 60%, var(--fg) 0 .45cqi, transparent .65cqi); }
    .cover--orbit .cover-art::before { width: 136cqi; aspect-ratio: 1; left: -18cqi; top: 31cqi; border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 8cqi, color-mix(in srgb, var(--a2) 60%, transparent) 8cqi 8.5cqi); }
    .cover--orbit .cover-art::after { width: 11cqi; aspect-ratio: 1; left: 71cqi; top: 67cqi; border-radius: 50%; background: var(--ac); box-shadow: 0 0 0 2.4cqi color-mix(in srgb, var(--ac) 22%, transparent); }
    .cover--orbit .cover-author { color: var(--a2); }
    .cover--tile .cover-art::before { inset: 0; background: conic-gradient(from 45deg, var(--ac) 25%, transparent 0 50%, var(--ac) 0 75%, transparent 0) 0 0 / 14cqi 14cqi; opacity: .6; }
    .cover--tile .cover-text, .cover--gingham .cover-text { position: absolute; left: 19cqi; right: 11cqi; top: 50%; height: auto; transform: translateY(-50%); align-items: center; text-align: center; padding: 9cqi 6cqi; background: var(--a2); color: var(--fg); box-shadow: inset 0 0 0 1.3cqi var(--a2), inset 0 0 0 1.7cqi var(--fg), 0 1cqi 3cqi rgba(0, 0, 0, .28); }
    .cover--tile .cover-kicker, .cover--gingham .cover-kicker { font-size: 3.8cqi; margin-bottom: 3cqi; }
    .cover--tile .cover-author, .cover--gingham .cover-author { margin-top: 5cqi; font-size: 4cqi; }
    .cover--stripes .cover-art::before { left: 0; right: 0; top: 0; height: 50%; background: repeating-linear-gradient(-45deg, var(--ac) 0 3.5cqi, transparent 3.5cqi 8cqi); }
    .cover--stripes .cover-art::after { left: 0; right: 0; top: 50%; height: 1.2cqi; background: var(--ac); }
    .cover--stripes .cover-text { padding-top: 78cqi; }
    .cover--signal .cover-art::before { left: 13cqi; right: 9cqi; bottom: 24cqi; height: 54cqi; background: linear-gradient(var(--ac) 0 0) 0% 100% / 7cqi 30% no-repeat, linear-gradient(var(--ac) 0 0) 14.28% 100% / 7cqi 58% no-repeat, linear-gradient(var(--ac) 0 0) 28.57% 100% / 7cqi 82% no-repeat, linear-gradient(var(--a2) 0 0) 42.85% 100% / 7cqi 100% no-repeat, linear-gradient(var(--ac) 0 0) 57.14% 100% / 7cqi 62% no-repeat, linear-gradient(var(--ac) 0 0) 71.42% 100% / 7cqi 40% no-repeat, linear-gradient(var(--ac) 0 0) 85.71% 100% / 7cqi 24% no-repeat, linear-gradient(var(--ac) 0 0) 100% 100% / 7cqi 12% no-repeat; }
    .cover--signal .cover-art::after { left: 13cqi; right: 9cqi; bottom: 22cqi; height: .7cqi; background: var(--fg); }
    .cover--label .cover-art { background: repeating-linear-gradient(0deg, rgba(0, 0, 0, .08) 0 .35cqi, transparent .35cqi 1.1cqi), repeating-linear-gradient(90deg, rgba(255, 255, 255, .06) 0 .35cqi, transparent .35cqi 1.1cqi); }
    .cover--label .cover-text { position: absolute; left: 22cqi; right: 13cqi; top: 24cqi; height: auto; align-items: center; text-align: center; padding: 8cqi 6cqi 7cqi; background: var(--ac); color: var(--fg); box-shadow: inset 0 0 0 1.4cqi var(--ac), inset 0 0 0 1.8cqi var(--fg), 0 .6cqi 1.6cqi rgba(0, 0, 0, .35); }
    .cover--label .cover-kicker { font-size: 3.6cqi; margin-bottom: 3cqi; }
    .cover--label .cover-author { margin-top: 4cqi; font-size: 3.8cqi; }
    .cover--label .cover-art::before { left: calc(50% + 3cqi); bottom: 17cqi; width: 7cqi; height: 7cqi; transform: translateX(-50%) rotate(45deg); border: .6cqi solid color-mix(in srgb, var(--ac) 50%, transparent); }
    .cover--label .cover-art::after { left: 0; right: 0; top: 7cqi; height: .8cqi; background: color-mix(in srgb, var(--ac) 40%, transparent); box-shadow: 0 134cqi 0 color-mix(in srgb, var(--ac) 40%, transparent); }
    .cover--band .cover-art::before { left: 13cqi; right: 9cqi; top: 24cqi; bottom: 26cqi; border: .5cqi solid color-mix(in srgb, var(--fg) 45%, transparent); }
    .cover--band .cover-text { padding-top: 12cqi; }
    .cover--band .cover-title { margin: auto -9cqi auto -13cqi; padding: 7cqi 9cqi 7cqi 13cqi; background: var(--ac); color: var(--bg); }
    .cover--band .cover-author { margin-top: 0; }
    .cover--graph .cover-art::before { inset: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--ac) 22%, transparent) .3cqi, transparent .3cqi) 0 0 / 6cqi 6cqi, linear-gradient(color-mix(in srgb, var(--ac) 22%, transparent) .3cqi, transparent .3cqi) 0 0 / 6cqi 6cqi; }
    .cover--graph .cover-art::after { top: 0; bottom: 0; right: 15cqi; width: 4cqi; background: var(--ac); box-shadow: -.6cqi 0 0 rgba(0, 0, 0, .15); }
    .cover--graph .cover-text { padding-right: 27cqi; padding-top: 14cqi; }
    .cover--graph .cover-title { transform: rotate(-3deg); transform-origin: 0 50%; }
    .cover--graph .cover-author { margin-top: 6cqi; }
    .cover--graph .cover-kicker { order: 3; margin: auto 0 0; }
    .cover--blob .cover-art::before { inset: 0; background: radial-gradient(circle at 12cqi 160cqi, var(--a2) 0 52cqi, transparent 52.3cqi), radial-gradient(circle at 48cqi 180cqi, var(--ac) 0 58cqi, transparent 58.3cqi), radial-gradient(circle at 90cqi 160cqi, var(--a2) 0 58cqi, transparent 58.3cqi); }
    .cover--blob .cover-art::after { width: 22cqi; aspect-ratio: 1; right: 12cqi; top: 68cqi; border-radius: 50%; background: var(--a3); }
    .cover--blob .cover-author { margin-top: 5cqi; }
    .cover--peaks .cover-art { background: radial-gradient(circle at 20% 44%, var(--fg) 0 .45cqi, transparent .65cqi), radial-gradient(circle at 46% 38%, var(--fg) 0 .35cqi, transparent .55cqi), radial-gradient(circle at 68% 49%, var(--fg) 0 .5cqi, transparent .7cqi), radial-gradient(circle at 86% 40%, var(--fg) 0 .35cqi, transparent .55cqi), radial-gradient(circle at 34% 55%, var(--fg) 0 .3cqi, transparent .5cqi), radial-gradient(circle at 80% 58%, var(--fg) 0 .3cqi, transparent .5cqi); }
    .cover--peaks .cover-art::before { left: 0; right: 0; bottom: 0; height: 60cqi; background: var(--a2); clip-path: polygon(0 100%, 0 58%, 16% 32%, 28% 46%, 50% 6%, 68% 38%, 80% 24%, 100% 52%, 100% 100%); }
    .cover--peaks .cover-art::after { left: 0; right: 0; bottom: 0; height: 36cqi; background: var(--ac); clip-path: polygon(0 100%, 0 42%, 22% 18%, 38% 48%, 60% 10%, 82% 44%, 100% 22%, 100% 100%); }
    .cover--peaks .cover-author { margin-top: 5cqi; }
    .cover--awning .cover-art::before { left: 0; right: 0; top: 0; height: 45cqi; background: repeating-linear-gradient(90deg, var(--ac) 0 10cqi, transparent 10cqi 20cqi); -webkit-mask: linear-gradient(#000 0 0) top / 100% 40cqi no-repeat, radial-gradient(circle at 50% 0, #000 5cqi, transparent 5.3cqi) 0 40cqi / 10cqi 5cqi repeat-x; mask: linear-gradient(#000 0 0) top / 100% 40cqi no-repeat, radial-gradient(circle at 50% 0, #000 5cqi, transparent 5.3cqi) 0 40cqi / 10cqi 5cqi repeat-x; }
    .cover--awning .cover-art::after { left: 0; right: 0; top: 0; height: 3.5cqi; background: var(--fg); }
    .cover--awning .cover-text { padding-top: 58cqi; }
    .cover--rainbow .cover-art::before { left: -10cqi; right: -10cqi; bottom: 0; height: 64cqi; background: radial-gradient(circle at 50% 100%, transparent 0 20cqi, var(--a3) 20cqi 30cqi, var(--a2) 30cqi 40cqi, var(--ac) 40cqi 50cqi, transparent 50cqi); }
    .cover--rainbow .cover-art::after { width: 46cqi; height: 20cqi; left: 12cqi; bottom: 5cqi; background: radial-gradient(circle at 26% 68%, #fff 0 8cqi, transparent 8.3cqi), radial-gradient(circle at 52% 42%, #fff 0 10cqi, transparent 10.3cqi), radial-gradient(circle at 78% 66%, #fff 0 7.5cqi, transparent 7.8cqi), linear-gradient(#fff 0 0) 50% 100% / 70% 6cqi no-repeat; }
    .cover--rainbow .cover-author { margin-top: 5cqi; }

    /* --- Utility --- */
    .visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

    /* --- Responsive --- */
    @media (max-width: 991.98px) {
      .shop-layout-k {
        grid-template-columns: 1fr;
      }
      .filter-sidebar-k {
        position: relative;
        top: 0;
        margin-bottom: 2rem;
      }
    }
    @media (max-width: 767.98px) {
      .book-grid-k {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
      }
      .book-card-cover-k .cover {
        width: 100px;
      }
      .book-card-title-k { font-size: 0.85rem; }
      .book-card-price-k { font-size: 0.9rem; }
      .book-card-price-k small { font-size: 0.6rem; }
      .shop-toolbar-k {
        flex-direction: column;
        align-items: stretch;
      }
      .shop-sort-k {
        justify-content: space-between;
      }
    }