/* Shared cards keep published works and favorites visually consistent. */
.book-grid { list-style: none; padding: 0; margin: 24px 0; display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); align-items: start; gap: 28px 20px; }
.book-card { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; padding: 20px; border: 1px solid var(--line, #ded8cf); border-radius: 10px; background: var(--panel, #fff); min-width: 0; }
.book-card-cover { width: 100px; min-height: 132px; aspect-ratio: 3 / 4; align-self: start; overflow: hidden; border-radius: 5px; background: #f0ebe2; color: #686052; display: flex; align-items: center; justify-content: center; text-align: center; font-size: 12px; }
.book-card-cover img { display: block; width: 100%; height: 100%; object-fit: contain; }
.book-card-content { min-width: 0; }
.book-card-title { margin: 0 0 10px; font-size: 18px; line-height: 1.5; overflow-wrap: anywhere; }
.book-card-status, .book-card-notice { margin: 6px 0; font-size: 13px; color: var(--muted, #5b554d); }
.book-card-creator { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--accent, #8a5a1f); }
.book-card-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
.book-card-version { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted, #5b554d); flex: 1 1 150px; }
.book-card-version select { min-width: 0; max-width: 100%; min-height: 44px; padding: 8px; border: 1px solid var(--line, #ded8cf); border-radius: 6px; background: var(--panel, #fff); color: var(--text, #211d18); font: inherit; font-size: 14px; }
.book-card .btn { min-height: 44px; }
.book-card :focus-visible { outline: 2px solid var(--accent, #8a5a1f); outline-offset: 3px; }
@media (max-width: 520px) {
  .book-card { padding: 16px; grid-template-columns: 80px minmax(0, 1fr); gap: 12px; }
  .book-card-cover { width: 80px; min-height: 108px; }
  .book-card-version { flex-basis: 100%; }
}
/* Public pages use the homepage type and theme, with a compact browsing layout. */
.public-library { --bg: #fcfaf6; --bg2: #f3efe7; --panel: #fff; --line: rgba(44,36,28,.16); --line-strong: rgba(44,36,28,.26); --text: #211d18; --muted: #5b554d; --faint: #6b645b; --accent: #8a5a1f; --accent-hover: #76501f; --primary-text: #fcfaf6; --header-bg: rgba(252,250,246,.96); --accent-glow: rgba(138,90,31,.055); --hover-tint: rgba(138,90,31,.05); --book-shadow: rgba(53,43,31,.12); --serif: 'Songti SC','Noto Serif SC','SimSun',Georgia,serif; --sans: -apple-system,BlinkMacSystemFont,'PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif; color-scheme: light; margin: 0; color: var(--text); background: radial-gradient(900px 650px at 85% 0%,var(--accent-glow),transparent 70%),var(--bg); font: 15px/1.75 var(--sans); -webkit-font-smoothing: antialiased; }
:root[data-theme="dark"] .public-library { color-scheme: dark; --bg: #100e0b; --bg2: #16130f; --panel: #191611; --line: rgba(235,228,210,.12); --line-strong: rgba(235,228,210,.24); --text: #f2ede1; --muted: #b0a793; --faint: #9b907d; --accent: #c89b5a; --accent-hover: #d5ad74; --primary-text: #20170c; --header-bg: rgba(16,14,11,.96); --accent-glow: rgba(200,155,90,.07); --hover-tint: rgba(200,155,90,.05); --book-shadow: rgba(0,0,0,.25); }
.public-library * { box-sizing: border-box; }
.public-library h1,.public-library h2,.public-library h3 { font-family: var(--serif); font-weight: 600; }
.public-library h1 { margin: 0; font-size: clamp(26px,2.2vw,30px); line-height: 1.48; overflow-wrap: anywhere; }
.public-library h2 { margin: 0; font-size: 22px; line-height: 1.45; }
.public-library p { margin: 0; }
.public-library a { color: inherit; text-decoration: none; }
.public-library [hidden] { display: none !important; }
.public-library :focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.public-library .sr-only,.public-library .skip { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.public-library .skip:focus { position: fixed; top: 12px; left: 12px; z-index: 100; width: auto; height: auto; clip-path: none; padding: 12px 20px; background: var(--panel); border: 1px solid var(--accent); }
.site-wrap { width: 100%; max-width: 1190px; margin-inline: auto; padding-inline: 36px; }
.library-topbar { background: var(--header-bg); border-bottom: 1px solid var(--line); }
.library-head { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.library-brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 17px; font-weight: 650; letter-spacing: .3px; }
.brand-logo { display: block; width: 24px; height: 24px; flex: none; }
.library-nav { display: none !important; }
.library-nav a,.library-account { display: inline-flex; min-height: 44px; align-items: center; font-size: 14px; }
.library-nav a { color: var(--muted); border-bottom: 2px solid transparent; }
.library-nav a:hover,.library-nav [aria-current] { color: var(--accent); }
.library-nav [aria-current] { border-bottom-color: var(--accent); }
.library-account-bar { margin-left: auto; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.library-account { padding: 6px 12px; border: 1px solid var(--line-strong); border-radius: 5px; background: transparent; color: var(--text); font-family: var(--sans); cursor: pointer; }
.library-account:hover { border-color: var(--accent); }
.library-account-bar p { color: var(--muted); font-size: 13px; }
#public-theme-toggle { min-width: 44px; border-color: transparent; color: var(--muted); }
#public-theme-toggle:hover { color: var(--accent); }
.creator-hero,.library-hero { padding-block: 36px 24px; }
.creator-hero { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.creator-hero > div { min-width: 0; }
.creator-hero > .library-account { flex: none; }
.creator-bio { max-width: 48em; margin-top: 12px !important; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.library-owner { display: inline-flex; min-height: 44px; align-items: center; color: var(--muted) !important; font-size: 14px; }
.library-owner:hover { color: var(--accent) !important; }
.library-works { padding-block: 4px 40px; }
.public-library-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.library-search-form { margin-left: auto; display: flex; align-items: center; gap: 8px; width: min(100%,400px); }
.library-search { display: block; flex: 1; min-width: 0; }
.library-search input { width: 100%; min-width: 0; min-height: 44px; padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--panel); color: var(--text); font: 14px var(--sans); }
.library-search-submit,.library-search-clear { flex: none; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--panel); color: var(--text); font: 14px var(--sans); cursor: pointer; }
.library-search-clear { border-color: transparent; background: transparent; color: var(--muted); }
.library-state { color: var(--muted); font-size: 14px; }
.library-state:empty { display: none; }
.library-state:not(:empty) { margin-top: 20px; }
.public-library .book-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); align-items: start; gap: 28px 20px; margin: 20px 0 0; }

.public-library .book-card-shelf { position: relative; display: block; align-self: start; min-width: 0; padding: 0; border: 0; border-radius: 0; background: transparent; }
.public-library .book-card-open { display: block; min-width: 0; color: var(--text); }
.public-library .book-card-open .book-card-cover { width: 100%; height: 180px; min-height: 0; aspect-ratio: auto; padding: 18px; background: var(--bg2); color: var(--muted); border: 1px solid var(--line); border-radius: 7px; transition: border-color .18s ease; }
.public-library .book-card-cover img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; box-shadow: 0 5px 16px var(--book-shadow); }
.public-library :is(a,button).book-card-open:hover .book-card-cover { border-color: var(--accent); }
.public-library .book-card-title { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; margin: 10px 0 0; font-size: 17px; line-height: 1.5; }
.public-library :is(a,button).book-card-open:hover .book-card-title { color: var(--accent); }
.public-library .book-card-content { margin-top: 8px; }
.public-library .book-card-status,.public-library .book-card-notice { font-size: 13px; color: var(--muted); }
.public-library .book-card-actions { display: flex; flex-wrap: wrap; align-items: start; gap: 8px; margin-top: 4px; }
.public-library .book-card-version-details { min-width: 0; max-width: 100%; }
.public-library .book-card-version-details summary { min-width: 44px; min-height: 44px; display: list-item; padding: 8px 0; color: var(--muted); cursor: pointer; font-size: 13px; }
.public-library .book-card-version { margin-top: 4px; color: var(--muted); }
.public-library .book-card-version select { width: 100%; min-width: 0; min-height: 44px; border-color: var(--line-strong); border-radius: 5px; font-size: 14px; }
.public-library .book-card-favorite.btn { position: absolute; top: 8px; right: 8px; display: flex; align-items: center; justify-content: center; width: 44px; min-width: 44px; height: 44px; min-height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--panel); color: var(--muted); cursor: pointer; }
.public-library .book-card-favorite:hover { color: var(--accent); border-color: var(--accent); }
.public-library .book-card-favorite svg { display: block; width: 20px; height: 20px; }
.public-library .book-card-retry { min-height: 44px; padding: 8px 0; border: 0; background: transparent; color: var(--accent); font: 14px var(--sans); text-decoration: underline; cursor: pointer; }
.public-library .text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--accent); font-size: 14px; }
.public-library .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.public-library .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 18px; border: 1px solid transparent; border-radius: 5px; font: 14px/1.6 var(--sans); cursor: pointer; }
.public-library .btn.primary { background: var(--accent); color: var(--primary-text); }
.public-library .btn.ghost { border-color: var(--line-strong); background: transparent; color: var(--text); }
.public-library .btn:disabled { opacity: .5; cursor: default; }
.library-pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 32px; }
.library-pagination p { color: var(--muted); font-size: 14px; }
.library-empty { padding: 44px 0; color: var(--muted); }
.library-empty h3 { margin: 0; color: var(--text); font-size: 20px; }
.library-empty p { margin-top: 8px; }
.library-empty .btn { margin-top: 16px; }
.library-skeleton { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; margin-top: 20px; }
.library-skeleton span { display: block; height: 180px; border-radius: 7px; background: var(--bg2); }
.public-library-footer { padding-block: 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px 24px; }
.footer-inner .library-brand { font-size: 14px; color: var(--muted); }
.footer-inner .brand-logo { width: 20px; height: 20px; }
@media (max-width: 1279px) {
  .public-library .book-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .public-library .book-card-open .book-card-cover { height: 170px; }
}
@media (max-width: 1000px) {
  .site-wrap { padding-inline: 32px; }
  .library-head { gap: 20px; }
  .library-nav { gap: 20px; }
  .public-library .book-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .public-library .book-card-open .book-card-cover { height: 160px; }
}
@media (max-width: 700px) {
  .site-wrap { padding-inline: 16px; }
  .library-head { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 0 8px; padding-top: 8px; }
  .library-brand { font-size: 16px; gap: 8px; }
  .library-account-bar { grid-column: 2; grid-row: 1; justify-content: flex-end; gap: 4px; }
  .library-account { padding: 6px 8px; font-size: 13px; }
  .library-nav { grid-row: 2; grid-column: 1 / -1; margin: 0; gap: 24px; }
  .creator-hero,.library-hero { padding-block: 24px 20px; }
  .public-library .book-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 16px; }
  .public-library .book-card-open .book-card-cover { height: 156px; padding: 16px; }
  .public-library .book-card-title { font-size: 16px; }
  .library-search-form { width: 100%; }
  .library-skeleton { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .library-skeleton span { height: 156px; }
}
@media (prefers-reduced-motion: reduce) {
  .public-library .book-card-cover { transition: none; }
}

/* Shelf cards serve both public libraries and the personal reading collection. */
.book-card-shelf { position: relative; display: block; align-self: start; min-width: 0; padding: 0; border: 0; border-radius: 0; background: transparent; }
.book-card-shelf .book-card-open { display: block; width: 100%; min-width: 0; padding: 0; border: 0; background: transparent; color: var(--text); font: inherit; text-align: left; text-decoration: none; cursor: pointer; }
.book-card-shelf .book-card-cover { width: 100%; height: 180px; min-height: 0; aspect-ratio: auto; padding: 18px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg2); color: var(--muted); }
.book-card-shelf .book-card-cover img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.book-card-shelf .book-card-title { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; margin: 10px 0 0; font: 600 17px/1.5 var(--serif); overflow-wrap: anywhere; }
.book-card-shelf :is(a,button).book-card-open:hover .book-card-cover { border-color: var(--accent); }
.book-card-shelf :is(a,button).book-card-open:hover .book-card-title { color: var(--accent); }
.book-card-shelf .book-card-content { margin-top: 8px; }
.book-card-shelf .book-card-favorite.btn { position: absolute; top: 8px; right: 8px; display: flex; align-items: center; justify-content: center; width: 44px; min-width: 44px; height: 44px; min-height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--panel); color: var(--muted); cursor: pointer; }
.book-card-shelf .book-card-favorite:hover { border-color: var(--accent); color: var(--accent); }
.book-card-shelf .book-card-favorite svg { display: block; width: 20px; height: 20px; }
.library-account-menu { position: relative; }
.library-account-menu summary { list-style: none; gap: 8px; }
.library-account-menu summary::-webkit-details-marker { display: none; }
.library-account-links { position: absolute; z-index: 30; top: calc(100% + 8px); right: 0; min-width: 160px; padding: 6px; border: 1px solid var(--line-strong); border-radius: 7px; background: var(--panel); box-shadow: 0 8px 24px var(--book-shadow); }
.library-account-links a { display: flex; align-items: center; min-height: 44px; padding: 8px 12px; border-radius: 4px; font-size: 14px; }
.library-account-links a:hover { background: var(--hover-tint); color: var(--accent); }
.book-dialog { box-sizing: border-box; position: fixed; width: min(700px,calc(100% - 48px)); max-height: calc(100dvh - 48px); padding: 40px 32px 32px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); background: var(--panel); font: 15px/1.6 var(--sans); overflow: auto; }
.book-dialog::backdrop { background: rgba(0,0,0,.45); }
.book-dialog-close { position: absolute; top: 8px; right: 8px; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font: 26px/1 var(--sans); cursor: pointer; }
.book-dialog-close:hover { color: var(--text); background: var(--hover-tint); }
.book-dialog-list { list-style: none; margin: 0; padding: 0; }
.book-card-dialog { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 20px 28px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.book-card-dialog .book-card-cover { grid-row: span 2; width: 180px; height: 240px; min-height: 0; background: var(--bg2); color: var(--muted); }
.book-card-dialog .book-card-title { margin: 0 0 16px; font: 600 26px/1.45 var(--serif); }
.book-card-dialog .book-card-creator { min-height: 44px; margin: 0; display: inline-flex; align-items: center; }
.book-card-dialog .book-card-actions { grid-column: 2; align-self: end; gap: 10px; }
.book-card-dialog .book-card-version { flex-basis: 100%; }
.book-card-dialog .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line-strong); border-radius: 5px; background: transparent; color: var(--text); font: 14px var(--sans); text-decoration: none; cursor: pointer; }
.book-card-dialog .book-card-reader { background: var(--accent); border-color: var(--accent); color: var(--primary-text); }
.book-card-dialog .btn:disabled { opacity: .5; cursor: default; }
.book-dialog :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (min-width: 1001px) and (max-width: 1279px) { .book-grid { grid-template-columns: repeat(4,minmax(0,1fr)); } }
@media (min-width: 701px) and (max-width: 1000px) { .book-grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 700px) {
  .book-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 12px; }
  .book-card-shelf .book-card-cover { height: 156px; padding: 16px; }
  .book-card-shelf .book-card-title { font-size: 16px; }
  .creator-hero { flex-wrap: wrap; gap: 12px; }
}
@media (max-width: 520px) {
  .book-dialog { width: calc(100% - 24px); max-height: calc(100dvh - 24px); padding: 48px 20px 24px; }
  .book-card-dialog { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .book-card-dialog .book-card-cover { grid-row: auto; justify-self: center; width: 140px; height: 180px; }
  .book-card-dialog .book-card-title { font-size: 23px; }
  .book-card-dialog .book-card-actions { grid-column: 1; }
}