/* Catalog-only mobile layout. Detail pages and the desktop shelf keep their layout. */
.ebook-catalog .ebook-mobile-meta,
.ebook-catalog .ebook-catalog-menu { display: none; }

@media (max-width: 600px) {
  .ebook-market-page.ebook-store.ebook-catalog {
    padding: 0 16px calc(88px + env(safe-area-inset-bottom, 0px));
    min-width: 0;
  }
  .ebook-catalog .ebook-store-header {
    min-height: 60px;
    gap: 12px;
    margin-bottom: 14px;
  }
  .ebook-catalog .ebook-store-brand { min-height: 44px; font-size: 21px; }
  .ebook-catalog .ebook-store-header > .ebook-library-link { display: none; }
  .ebook-catalog .ebook-catalog-menu { display: block; position: relative; }
  .ebook-catalog-menu summary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid #dce4dc;
    border-radius: 50%;
    background: #fff;
    color: #215a4e;
    cursor: pointer;
    list-style: none;
  }
  .ebook-catalog-menu summary::-webkit-details-marker { display: none; }
  .ebook-catalog-menu summary:focus-visible { outline: 3px solid #bc9144; outline-offset: 3px; }
  .ebook-catalog-menu svg { width: 24px; height: 24px; fill: currentColor; }
  .ebook-catalog-menu nav {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 20;
    width: 188px;
    padding: 6px;
    border: 1px solid #dce4dc;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 24px #20363118;
  }
  .ebook-catalog-menu nav a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
    padding: 10px 12px;
    font-size: 14px;
    color: #215a4e;
  }
  .ebook-catalog .ebook-search { height: 48px; gap: 8px; padding: 1px 1px 1px 12px; border-radius: 12px; }
  .ebook-catalog .ebook-search svg { width: 20px; height: 20px; }
  .ebook-catalog .ebook-search input { min-height: 44px; font-size: 16px; }
  .ebook-catalog .ebook-search button { min-height: 44px; padding: 0 14px; font-size: 14px; }
  .ebook-catalog .ebook-topics {
    flex-wrap: nowrap;
    gap: 8px;
    margin: 12px 0 16px;
    padding: 4px 3px 7px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: #c0d4c7 transparent;
  }
  .ebook-catalog .ebook-topics a {
    flex: 0 0 auto;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 15px;
    font-size: 14px;
    white-space: nowrap;
  }
  .ebook-catalog .ebook-topics a[aria-current] { background: #dceee4; border-color: #86b39c; color: #184e3f; }
  .ebook-catalog .ebook-shelf-heading { margin: 16px 0 14px; gap: 8px; }
  .ebook-catalog .ebook-shelf-heading h1 { font-size: 26px; line-height: 1.15; }
  .ebook-catalog .ebook-eyebrow { font-size: 9px; letter-spacing: 1.5px; margin-bottom: 5px; }
  .ebook-catalog .ebook-shelf-heading > span { font-size: 12px; color: #586b60; }
  .ebook-catalog .ebook-results-note { font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
  .ebook-catalog .ebook-results-note a { display: inline-flex; align-items: center; min-height: 44px; }
  .ebook-catalog .ebook-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .ebook-catalog .ebook-grid .ebook-card {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
    padding: 12px;
    border-radius: 14px;
  }
  .ebook-catalog .ebook-grid .ebook-cover-stage {
    padding: 0;
    background: transparent;
    gap: 0;
    border-radius: 6px;
  }
  .ebook-catalog .ebook-grid .ebook-cover { width: 96px; transform: none; aspect-ratio: auto; box-shadow: 2px 4px 9px #2036311a; }
  .ebook-market-page.ebook-catalog .ebook-grid .ebook-cover img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; }
  .ebook-catalog .ebook-cover-caption,
  .ebook-catalog .ebook-card-meta,
  .ebook-catalog .ebook-card .ebook-format { display: none; }
  .ebook-catalog .ebook-grid .ebook-card-body { min-width: 0; width: 100%; padding: 0; gap: 6px; }
  .ebook-catalog .ebook-grid .ebook-card h2 { font-size: 20px; line-height: 1.2; overflow-wrap: anywhere; }
  .ebook-catalog .ebook-card .ebook-byline { font-size: 14px; line-height: 1.35; color: #52685c; }
  .ebook-catalog .ebook-mobile-meta { display: block; font-size: 14px; line-height: 1.4; color: #52685c; overflow-wrap: anywhere; }
  .ebook-catalog .ebook-grid .ebook-card .ebook-card-description {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.45;
    color: #52685c;
  }
  .ebook-catalog .ebook-store-price { margin: 2px 0 0; gap: 6px; }
  .ebook-catalog .ebook-store-price strong { font-size: 18px; }
  .ebook-catalog .ebook-grid .ebook-card-actions { width: 100%; max-width: none; margin: 0; padding-top: 4px; gap: 2px; }
  .ebook-catalog .ebook-card .ebook-primary-button { min-height: 44px; width: 100%; padding: 10px 8px; gap: 6px; font-size: 14px; line-height: 1.3; white-space: nowrap; border-radius: 9px; }
  .ebook-catalog .ebook-card .ebook-text-link { min-height: 44px; font-size: 14px; line-height: 1.3; }
  .ebook-catalog .ebook-store-footer { margin-top: 24px; padding-top: 20px; gap: 8px 14px; font-size: 13px; line-height: 1.5; color: #52685c; }
  .ebook-catalog .ebook-store-footer a { min-height: 44px; }
  body:has(.ebook-catalog) > .home-bottom-nav.ebook-bottom-nav {
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
    height: auto;
    min-height: 64px;
  }
  body:has(.ebook-catalog) > .home-bottom-nav.ebook-bottom-nav a { min-width: 44px; min-height: 50px; }
}

@media (max-width: 350px) {
  .ebook-catalog .ebook-grid .ebook-card { grid-template-columns: 88px minmax(0, 1fr); gap: 10px; padding: 10px; }
  .ebook-catalog .ebook-grid .ebook-cover { width: 88px; }
  .ebook-catalog .ebook-grid .ebook-card h2 { font-size: 18px; }
  .ebook-catalog .ebook-shelf-heading h1 { font-size: 23px; }
  .ebook-catalog .ebook-search svg { display: none; }
}