:root {
  color-scheme: light;
  --font-ui: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-editorial: Georgia, "Times New Roman", ui-serif, serif;
  --paper: #f5f2eb;
  --surface: #fffdf8;
  --surface-raised: #ffffff;
  --surface-muted: #ebe7df;
  --ink: #1c252d;
  --ink-soft: #5e6871;
  --line: #d9d5cc;
  --accent: #225f8d;
  --accent-strong: #174766;
  --accent-soft: #dcebf5;
  --danger: #a13b32;
  --shadow-sm: 0 1px 2px rgba(30, 37, 43, 0.08), 0 6px 18px rgba(30, 37, 43, 0.05);
  --shadow-lg: 0 24px 60px rgba(20, 27, 33, 0.2);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --reader-font-size: 18px;
  --reader-line-height: 1.8;
  --reader-width: 680px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #111820;
  --surface: #17212b;
  --surface-raised: #1d2934;
  --surface-muted: #24313c;
  --ink: #f2f0e9;
  --ink-soft: #aeb8c1;
  --line: #35424e;
  --accent: #76add2;
  --accent-strong: #9bc6e2;
  --accent-soft: #223f52;
  --danger: #ef8f85;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 20px rgba(0, 0, 0, 0.14);
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.52);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open { overflow: hidden; }

button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
img { max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 72%, transparent);
  outline-offset: 3px;
}

.hidden { display: none !important; }
.icon-sprite { position: fixed; width: 0; height: 0; overflow: hidden; }
svg { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.brand-mark svg { fill: currentColor; stroke: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(100% - 40px, 1260px);
  min-height: 72px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(300px, 560px) minmax(44px, 1fr);
  align-items: center;
  gap: 24px;
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--surface-raised);
  font-size: 20px;
}

.brand strong, .brand small { display: block; }
.brand strong { font-family: var(--font-editorial); font-size: 18px; letter-spacing: -.01em; }
.brand small { margin-top: 1px; color: var(--ink-soft); font-size: 11px; letter-spacing: .08em; }

.global-search {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-raised);
  color: var(--ink-soft);
  transition: border-color .2s, box-shadow .2s;
}

.global-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.global-search input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--ink); }
.global-search input::placeholder { color: color-mix(in srgb, var(--ink-soft) 80%, transparent); }

.icon-button,
.reader-header-button {
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-raised);
  color: var(--ink);
  transition: background .2s, border-color .2s, transform .2s;
}

.icon-button:hover, .reader-header-button:hover { border-color: var(--accent); background: var(--accent-soft); }
.icon-button:active, .reader-header-button:active { transform: translateY(1px); }
.icon-button.compact { width: 30px; height: 30px; border: 0; background: transparent; }
#themeToggle { justify-self: end; }

.main-shell { width: min(100% - 40px, 1260px); margin: 0 auto; padding: 34px 0 72px; }

.continue-panel,
.welcome-panel {
  position: relative;
  min-height: 168px;
  margin-bottom: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.continue-panel {
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
}

.continue-panel::after, .welcome-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-soft) 70%, transparent);
  pointer-events: none;
}

.continue-panel > .primary-button { position: relative; z-index: 1; }

.continue-cover { width: 88px; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 8px; box-shadow: var(--shadow-sm); z-index: 1; }
.continue-copy { min-width: 0; z-index: 1; }
.eyebrow { display: block; margin-bottom: 5px; color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.continue-copy h1, .welcome-panel h1 { margin: 0; font-family: var(--font-editorial); font-size: clamp(26px, 3vw, 38px); line-height: 1.08; font-weight: 600; }
.continue-copy p { margin: 8px 0 13px; color: var(--ink-soft); }
.continue-copy p strong { margin-right: 8px; color: var(--ink); }
.continue-progress { max-width: 520px; color: var(--ink-soft); font-size: 12px; }
.progress-track { height: 5px; margin-top: 7px; overflow: hidden; border-radius: 999px; background: var(--surface-muted); }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .25s; }

.welcome-panel { padding: 30px 34px; display: flex; align-items: center; }
.welcome-panel p { margin: 9px 0 0; color: var(--ink-soft); }
.welcome-panel > div { z-index: 1; }

.primary-button,
.secondary-button,
.danger-button {
  min-height: 44px;
  padding: 10px 17px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}

.primary-button { border: 1px solid var(--accent); background: var(--accent); color: #fff; }
.primary-button:hover { border-color: var(--accent-strong); background: var(--accent-strong); transform: translateY(-1px); }
.secondary-button { border: 1px solid var(--line); background: var(--surface-raised); color: var(--ink); }
.secondary-button:hover { border-color: var(--accent); color: var(--accent-strong); background: var(--accent-soft); }
.danger-button { border: 1px solid var(--danger); background: var(--danger); color: #fff; }
.text-button { min-height: 40px; padding: 6px 3px; border: 0; background: transparent; color: var(--accent); font-weight: 700; }
.text-button:hover { text-decoration: underline; text-underline-offset: 3px; }
.text-button.danger { color: var(--danger); }
.text-link { color: var(--accent); font-size: 13px; font-weight: 650; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.library-tabs {
  display: flex;
  gap: 28px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.library-tabs::-webkit-scrollbar { display: none; }

.tab-button {
  position: relative;
  min-height: 50px;
  padding: 0 0 12px;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-weight: 700;
}

.tab-button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; transform: scaleX(0); background: var(--accent); transition: transform .2s; }
.tab-button.active { color: var(--ink); }
.tab-button.active::after { transform: scaleX(1); }
.tab-button span { min-width: 20px; margin-left: 4px; padding: 2px 6px; border-radius: 999px; background: var(--surface-muted); color: var(--ink-soft); font-size: 11px; }

.section-heading { min-height: 52px; display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; font-family: var(--font-editorial); font-size: clamp(25px, 3vw, 34px); font-weight: 600; line-height: 1.15; }
.muted-copy, .results-row { color: var(--ink-soft); font-size: 13px; }

.catalog-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 150px)) minmax(220px, 1fr);
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}
.catalog-overview > div { min-width: 0; display: flex; align-items: baseline; gap: 7px; }
.catalog-overview strong { color: var(--ink); font-family: var(--font-editorial); font-size: 21px; font-weight: 650; }
.catalog-overview span { color: var(--ink-soft); font-size: 11px; }
.catalog-overview p { justify-self: end; margin: 0; color: var(--ink-soft); font-size: 11px; text-align: right; }
.catalog-overview p span::before { content: " · "; }
.catalog-overview a { color: var(--accent-strong); text-decoration: none; }
.catalog-overview a:hover { text-decoration: underline; }

.filter-toolbar {
  display: grid;
  gap: 15px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.filter-group { min-width: 0; margin: 0; padding: 0; border: 0; }
.filter-group legend { margin-bottom: 8px; color: var(--ink); font-size: 12px; font-weight: 800; }
.filter-group legend small { margin-left: 6px; color: var(--ink-soft); font-size: 10px; font-weight: 500; }
.filter-check-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.filter-check { min-height: 34px; padding: 6px 9px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-raised); color: var(--ink-soft); font-size: 11px; font-weight: 650; cursor: pointer; transition: border-color .16s, background .16s, color .16s; }
.filter-check:hover { border-color: var(--accent); color: var(--ink); }
.filter-check:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }
.filter-check input { width: 14px; height: 14px; margin: 0; accent-color: var(--accent); }
.filter-special { background: var(--surface-muted); font-weight: 750; }
.all-filter { color: var(--accent-strong); }
.sort-filter-group { min-width: 0; margin-left: auto; display: flex; align-items: center; gap: 8px; }
.filter-inline-label { flex: 0 0 auto; color: var(--ink-soft); font-size: 11px; font-weight: 750; }
.segmented-control { display: inline-flex; max-width: 100%; padding: 2px; gap: 1px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-raised); }
.segmented-control button { min-width: 52px; min-height: 32px; padding: 5px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--ink-soft); font-size: 11px; font-weight: 700; transition: color .16s, background .16s; }
.segmented-control button:hover { background: var(--surface-muted); color: var(--ink); }
.segmented-control button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-strong); box-shadow: none; }
.field-label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
select {
  width: 100%;
  height: 44px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-raised);
  color: var(--ink);
}

.check-filter { min-height: 44px; padding: 0 12px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-raised); color: var(--ink); font-size: 13px; font-weight: 700; }
.check-filter input { width: 17px; height: 17px; accent-color: var(--accent); }
.favorite-filter { border-color: color-mix(in srgb, #b24b61 34%, var(--line)); color: #9d4055; }
.favorite-filter svg { width: 14px; height: 14px; }
.favorite-filter:has(input:checked) { border-color: #b24b61; background: color-mix(in srgb, #b24b61 13%, var(--surface-raised)); color: #92384e; }
.results-row { min-height: 50px; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.results-row p { margin: 0; }
.mobile-filter-button { display: none; }

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 20px 16px;
}

.book-card {
  min-width: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}

.book-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); box-shadow: 0 14px 30px rgba(25, 35, 42, .12); }
.book-card-main { width: 100%; padding: 0; display: block; border: 0; background: transparent; color: inherit; text-align: left; }
.book-card-cover { position: relative; aspect-ratio: 2 / 3; overflow: hidden; background: var(--surface-muted); }
.book-card-cover img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .35s; }
.book-card:hover .book-card-cover img { transform: scale(1.025); }
.cover-fallback { width: 100%; height: 100%; display: grid; place-items: center; padding: 18px; background: linear-gradient(145deg, var(--accent-soft), var(--surface-muted)); color: var(--accent-strong); font-family: var(--font-editorial); font-weight: 700; text-align: center; }
.card-favorite {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .62);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(23, 31, 38, .72);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: scale(.88);
  backdrop-filter: blur(7px);
  transition: opacity .16s, transform .16s, background .16s;
}
.book-card:hover .card-favorite,
.book-card:focus-within .card-favorite {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}
.card-favorite:hover, .card-favorite[aria-pressed="true"] { background: var(--accent); }
.card-favorite[aria-pressed="true"] svg, .favorite-action[aria-pressed="true"] svg { fill: currentColor; }
.book-card-body { padding: 13px 13px 10px; }
.book-title {
  margin: 0;
  min-height: 0;
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font-editorial);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.32;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.book-author { min-height: 1.45em; margin: 5px 0 0; overflow: hidden; color: var(--ink-soft); font-size: 12px; white-space: nowrap; text-overflow: ellipsis; }
.card-progress { margin-top: 11px; }
.card-progress-row { display: flex; justify-content: space-between; color: var(--ink-soft); font-size: 10px; }
.card-progress .progress-track { height: 4px; margin-top: 5px; }
.card-continue { width: calc(100% - 20px); min-height: 36px; margin: 0 10px 10px; padding: 7px 10px; font-size: 12px; }

.skeleton-card { min-height: 390px; border-radius: var(--radius-md); background: linear-gradient(100deg, var(--surface-muted) 20%, var(--surface) 40%, var(--surface-muted) 60%); background-size: 200% 100%; animation: shimmer 1.2s infinite linear; }
@keyframes shimmer { to { background-position: -200% 0; } }

.load-more-wrap { display: flex; justify-content: center; padding-top: 30px; }
.load-more-wrap .secondary-button { min-width: 160px; }
.empty-state { margin: 20px 0; padding: 58px 24px; border: 1px dashed var(--line); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 70%, transparent); text-align: center; }
.empty-state > svg { width: 36px; height: 36px; color: var(--accent); }
.empty-state h3 { margin: 14px 0 6px; font-family: var(--font-editorial); font-size: 24px; }
.empty-state p { margin: 0 0 18px; color: var(--ink-soft); }

.stats-strip { display: grid; grid-template-columns: repeat(3, minmax(120px, 1fr)) auto; gap: 12px; margin-bottom: 24px; }
.stats-strip > div { padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.stats-strip span, .stats-strip small { display: block; }
.stats-strip span { font-family: var(--font-editorial); font-size: 24px; font-weight: 650; }
.stats-strip small { margin-top: 2px; color: var(--ink-soft); }
.stats-strip button { align-self: center; }

.recent-list { display: grid; gap: 10px; }
.recent-item { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto auto; align-items: center; gap: 15px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.recent-item img { width: 58px; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 6px; }
.recent-item h3 { margin: 0 0 3px; font-family: var(--font-editorial); font-size: 17px; }
.recent-item p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.recent-progress { width: min(170px, 18vw); }
.recent-progress > span { color: var(--ink-soft); font-size: 11px; }
.recent-actions { display: flex; align-items: center; gap: 6px; }
.remove-recent { color: var(--danger); }

dialog { padding: 0; border: 0; color: var(--ink); background: transparent; }
dialog::backdrop { background: rgba(13, 19, 24, .58); backdrop-filter: blur(5px); }
dialog[open] { animation: dialog-enter .18s ease-out; }
@keyframes dialog-enter { from { opacity: 0; transform: translateY(8px) scale(.985); } }

.detail-dialog { width: min(920px, calc(100% - 32px)); max-height: min(88vh, 760px); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); background: var(--surface-raised); }
.detail-card { position: relative; padding: 28px; }
.dialog-close { position: absolute; top: 16px; right: 16px; z-index: 4; }
.detail-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 30px; }
.detail-cover-column { padding-top: 4px; }
.cover-button { width: 100%; aspect-ratio: 2 / 3; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-muted); }
.cover-button img { width: 100%; height: 100%; display: block; object-fit: cover; }
.detail-meta { margin: 14px 0 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.detail-meta div { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; font-size: 12px; }
.detail-meta dt { color: var(--ink-soft); }
.detail-meta dd { margin: 0; font-weight: 700; text-align: right; }
.detail-content { min-width: 0; padding: 4px 4px 0 0; }
.detail-content h2 { max-width: calc(100% - 48px); margin: 10px 0 3px; font-family: var(--font-editorial); font-size: clamp(27px, 4vw, 40px); font-weight: 600; line-height: 1.08; }
.detail-author { margin: 0 0 22px; color: var(--ink-soft); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; padding-right: 42px; }
.tag { padding: 4px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: 10px; font-weight: 750; }
.detail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 22px; }
.favorite-action svg { width: 16px; height: 16px; }
.synopsis { padding-top: 18px; border-top: 1px solid var(--line); }
.synopsis h3 { margin: 0 0 9px; font-family: var(--font-editorial); font-size: 20px; }
.synopsis-body { max-height: 260px; overflow: auto; color: var(--ink-soft); font-family: var(--font-editorial); line-height: 1.7; }
.synopsis-body p { margin: 0 0 10px; }

.cover-dialog { width: min(520px, calc(100% - 32px)); max-height: 92vh; overflow: visible; }
.cover-dialog img { max-height: 88vh; display: block; margin: auto; border-radius: 12px; box-shadow: var(--shadow-lg); background: var(--surface); }
.cover-dialog .dialog-close { top: -14px; right: -14px; }
.confirm-dialog, .sheet-dialog { width: min(460px, calc(100% - 28px)); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: var(--shadow-lg); }
.confirm-card, .sheet-card { padding: 24px; }
.confirm-card h2, .sheet-card h2 { margin: 0; font-family: var(--font-editorial); font-size: 25px; }
.confirm-card p { color: var(--ink-soft); }
.dialog-actions, .sheet-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.dialog-heading, .drawer-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.sheet-card { display: grid; gap: 18px; }
.sheet-card .filter-check-grid { max-height: 260px; overflow-y: auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding-right: 3px; }
.sheet-card .filter-check { min-width: 0; }
.sheet-card .filter-check span { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.sheet-card .sort-filter-group { width: 100%; margin-left: 0; padding-top: 10px; border-top: 1px solid var(--line); }
.sheet-card .segmented-control { width: auto; flex: 1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sheet-card .segmented-control button { min-width: 0; padding-inline: 8px; }

.reader-view {
  --reader-bg: #f6f1e6;
  --reader-surface: #fffaf0;
  --reader-text: #302b25;
  --reader-muted: #766f65;
  --reader-border: #d8d0c2;
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  background: var(--reader-bg);
  color: var(--reader-text);
}

.reader-view[data-reader-theme="light"] { --reader-bg: #f8f8f6; --reader-surface: #fff; --reader-text: #22282d; --reader-muted: #697178; --reader-border: #d8dde0; }
.reader-view[data-reader-theme="paper"] { --reader-bg: #f6f1e6; --reader-surface: #fffaf0; --reader-text: #302b25; --reader-muted: #766f65; --reader-border: #d8d0c2; }
.reader-view[data-reader-theme="dark"] { --reader-bg: #111820; --reader-surface: #19232d; --reader-text: #ecebe6; --reader-muted: #aeb6bd; --reader-border: #35414b; }
@media (prefers-color-scheme: dark) {
  .reader-view[data-reader-theme="auto"] { --reader-bg: #111820; --reader-surface: #19232d; --reader-text: #ecebe6; --reader-muted: #aeb6bd; --reader-border: #35414b; }
}

.reader-header { min-height: 62px; padding: 8px 18px; display: grid; grid-template-columns: 1fr minmax(180px, 2fr) 1fr; align-items: center; border-bottom: 1px solid var(--reader-border); background: var(--reader-surface); }
.reader-header-button { border-color: var(--reader-border); background: transparent; color: var(--reader-text); }
.reader-back { width: max-content; padding: 0 13px; grid-auto-flow: column; gap: 7px; }
.reader-book-heading { min-width: 0; text-align: center; }
.reader-book-heading strong, .reader-book-heading span { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.reader-book-heading strong { font-family: var(--font-editorial); }
.reader-book-heading span { color: var(--reader-muted); font-size: 11px; }
.reader-tools { justify-self: end; display: flex; align-items: center; gap: 7px; }
.reader-tools .icon-only { width: 42px; height: 42px; }
.reader-progress-track { height: 3px; background: var(--reader-border); }
.reader-progress-track span { display: block; width: 0; height: 100%; background: var(--accent); transition: width .2s; }
.reader-body { position: relative; min-height: 0; flex: 1; overflow: hidden; }
.reader-canvas { height: 100%; overflow-y: auto; padding: 48px 24px 38px; scroll-behavior: smooth; }
.chapter-container { width: min(100%, var(--reader-width)); min-height: 60vh; margin: 0 auto; color: var(--reader-text); font-family: var(--font-editorial); font-size: var(--reader-font-size); line-height: var(--reader-line-height); }
.chapter-container[data-font="sans"] { font-family: var(--font-ui); }
.chapter-container h1, .chapter-container h2, .chapter-container h3 { margin: 1.8em 0 .9em; font-family: var(--font-editorial); line-height: 1.2; text-align: center; }
.chapter-container p { margin: 0 0 1.3em; text-align: justify; text-indent: 1.5em; }
.chapter-container header { margin-bottom: 2em; text-align: center; }
.chapter-container img, .chapter-container svg { max-width: 100%; height: auto; display: block; margin: 1.5em auto; }
.chapter-container a { color: #256895; }
.chapter-navigation { width: min(100%, var(--reader-width)); margin: 56px auto 0; padding-top: 20px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; border-top: 1px solid var(--reader-border); }
.chapter-navigation button { width: 112px; }
.chapter-navigation button:first-child { justify-self: start; }
.chapter-navigation button:last-child { justify-self: end; }
.chapter-navigation span { color: var(--reader-muted); font-size: 12px; }

.reader-drawer { position: absolute; top: 0; bottom: 0; z-index: 4; width: min(360px, 92vw); display: flex; flex-direction: column; border-color: var(--reader-border); background: var(--reader-surface); box-shadow: var(--shadow-lg); transition: transform .22s ease; }
.toc-drawer { left: 0; border-right: 1px solid var(--reader-border); transform: translateX(-102%); }
.settings-panel { right: 0; border-left: 1px solid var(--reader-border); transform: translateX(102%); }
.reader-drawer.open { transform: translateX(0); }
.drawer-heading { min-height: 62px; padding: 9px 13px 9px 18px; border-bottom: 1px solid var(--reader-border); }
.drawer-heading h2 { margin: 0; font-family: var(--font-editorial); font-size: 22px; }
.drawer-heading .icon-button { border-color: var(--reader-border); background: transparent; color: var(--reader-text); }
.toc-nav { flex: 1; overflow-y: auto; padding: 12px; }
.toc-nav ol { margin: 0; padding: 0; list-style: none; }
.toc-nav button { width: 100%; min-height: 42px; padding: 9px 11px; border: 0; border-radius: 8px; background: transparent; color: var(--reader-text); text-align: left; font-size: 13px; }
.toc-nav button:hover, .toc-nav button.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent-strong); }
.reader-setting-fields { padding: 20px; display: grid; gap: 20px; }
.reader-setting-fields select { border-color: var(--reader-border); background: var(--reader-bg); color: var(--reader-text); }
.range-field { display: grid; gap: 8px; color: var(--reader-muted); font-size: 12px; font-weight: 700; }
.range-field span { display: flex; justify-content: space-between; }
.range-field input { width: 100%; accent-color: var(--accent); }
.reader-scrim { position: absolute; inset: 0; z-index: 3; border: 0; background: rgba(10, 15, 19, .38); }
.reader-loading, .reader-error { min-height: 45vh; display: grid; place-items: center; align-content: center; gap: 12px; color: var(--reader-muted); text-align: center; }
.spinner { width: 34px; height: 34px; border: 3px solid var(--reader-border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast-region { position: fixed; left: 50%; bottom: 24px; z-index: 300; transform: translateX(-50%); pointer-events: none; }
.toast { padding: 10px 15px; border-radius: 10px; background: #202a32; color: #fff; box-shadow: var(--shadow-lg); font-size: 13px; animation: toast-enter .2s ease-out; }
@keyframes toast-enter { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 900px) {
  .header-inner { grid-template-columns: minmax(190px, 1fr) minmax(260px, 1.5fr) 44px; gap: 14px; }
  .continue-panel { grid-template-columns: 84px minmax(0, 1fr) auto; gap: 18px; }
  .continue-cover { width: 78px; }
  .books-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px 13px; }
  .detail-dialog { max-height: 92vh; }
  .detail-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 22px; }
  .stats-strip { grid-template-columns: repeat(3, 1fr); }
  .stats-strip button { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 640px) {
  .header-inner { width: min(100% - 24px, 1260px); min-height: 116px; grid-template-columns: 1fr 44px; grid-template-rows: 54px 50px; gap: 0 10px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  #themeToggle { grid-column: 2; grid-row: 1; }
  .global-search { grid-column: 1 / -1; grid-row: 2; }
  .main-shell { width: min(100% - 24px, 1260px); padding: 18px 0 48px; }
  .continue-panel { min-height: 142px; grid-template-columns: 64px minmax(0, 1fr); gap: 14px; padding: 15px; }
  .continue-cover { width: 62px; }
  .continue-copy h1 { font-size: 22px; }
  .continue-copy p { margin: 5px 0 9px; font-size: 12px; }
  .continue-panel > .primary-button { grid-column: 1 / -1; width: 100%; }
  .welcome-panel { min-height: 132px; padding: 22px; }
  .welcome-panel h1 { font-size: 28px; }
  .library-tabs { gap: 22px; overflow-x: auto; margin-bottom: 26px; }
  .tab-button { flex: 0 0 auto; }
  .section-heading { align-items: center; }
  .section-heading h2 { font-size: 27px; }
  .catalog-overview { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 11px 10px; }
  .catalog-overview > div { display: grid; gap: 2px; text-align: center; }
  .catalog-overview strong { font-size: 19px; }
  .catalog-overview p { grid-column: 1 / -1; justify-self: center; text-align: center; }
  .filter-toolbar { display: none; }
  .mobile-filter-button { display: inline-flex; }
  .results-row { min-height: 46px; }
  .books-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 10px; }
  .book-title { font-size: 14px; }
  .book-card-body { padding: 10px 10px 8px; }
  .card-continue { width: calc(100% - 16px); margin: 0 8px 8px; }
  .stats-strip { grid-template-columns: repeat(3, 1fr); gap: 7px; }
  .stats-strip > div { padding: 12px 8px; text-align: center; }
  .stats-strip span { font-size: 18px; }
  .stats-strip small { font-size: 10px; }
  .recent-item { grid-template-columns: 48px minmax(0, 1fr) auto; gap: 10px; }
  .recent-item img { width: 48px; }
  .recent-progress { grid-column: 2 / -1; width: 100%; }
  .recent-actions { grid-column: 3; grid-row: 1; }
  .recent-actions .secondary-button { min-height: 38px; padding: 7px 10px; font-size: 11px; }
  .detail-dialog { width: 100%; max-width: none; max-height: 94vh; margin: auto 0 0; border-radius: 20px 20px 0 0; }
  .detail-card { padding: 22px 18px 18px; }
  .detail-layout { display: block; }
  .detail-cover-column { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 14px; padding: 0 42px 20px 0; }
  .detail-meta { margin: 0; align-self: center; }
  .detail-content h2 { max-width: 100%; font-size: 28px; }
  .detail-actions { position: sticky; bottom: -18px; z-index: 3; margin: 0 -18px -18px; padding: 12px 18px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: var(--surface-raised); }
  .detail-actions .primary-button { flex: 1; }
  .detail-actions .text-link { display: none; }
  .synopsis { margin-bottom: 18px; }
  .synopsis-body { max-height: none; }
  .sheet-dialog { width: 100%; max-width: none; margin: auto 0 0; border-radius: 20px 20px 0 0; }
  .reader-header { min-height: 58px; padding: 7px 9px; grid-template-columns: 44px minmax(0, 1fr) auto; }
  .reader-back { width: 42px; padding: 0; }
  .reader-back span { display: none; }
  .reader-book-heading { text-align: left; padding-left: 7px; }
  .reader-canvas { padding: 32px 18px 30px; }
  .chapter-container { font-size: min(var(--reader-font-size), 22px); }
  .chapter-container p { text-align: left; }
  .chapter-navigation { grid-template-columns: 1fr 1fr; }
  .chapter-navigation span { grid-column: 1 / -1; grid-row: 1; text-align: center; }
  .chapter-navigation button { grid-row: 2; width: 100%; }
  .reader-drawer { width: 100%; }
  .settings-panel { top: auto; height: min(78vh, 620px); border-top: 1px solid var(--reader-border); border-left: 0; transform: translateY(102%); }
  .settings-panel.open { transform: translateY(0); }
}

@media (max-width: 360px) {
  .books-grid { gap: 10px 8px; }
  .book-author { display: none; }
  .detail-cover-column { grid-template-columns: 92px minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (hover: none), (pointer: coarse) {
  .card-favorite {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }
}