:root {
  --bg: #faf9f6;
  --paper: #fff;
  --ink: #303934;
  --muted: #6e726d;
  --green: #39453e;
  --light: #efeee8;
  --line: #e2e2dc;
  --orange: #a08152;
  --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  color: inherit;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
button,
select,
input {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #897047;
  outline-offset: 3px;
}
input,
select {
  min-height: 44px;
  padding: 10px 12px;
  max-width: 100%;
  color: var(--ink);
}
a:hover {
  color: var(--green);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: 48px;
  line-height: 1.3;
  letter-spacing: -1.5px;
}
h2 {
  font-size: 27px;
  letter-spacing: -0.5px;
}
h3 {
  font-size: 18px;
}
p {
  line-height: 1.85;
}
.page-width {
  width: min(1180px, calc(100% - 80px));
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}
.skip {
  position: fixed;
  top: -60px;
  background: white;
  padding: 12px;
  z-index: 100;
}
.skip:focus {
  top: 0;
}
.site-header {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 52px;
  border-bottom: 1px solid var(--line);
  padding: 0 max(40px, calc((100vw - 1180px) / 2));
  background: var(--bg);
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
}
.brand strong {
  font-size: 23px;
  letter-spacing: 1px;
  font-weight: 600;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-header nav a {
  display: flex;
  align-items: center;
  font-size: 14px;
  min-height: 44px;
  color: var(--muted);
  gap: 7px;
  white-space: nowrap;
}
.site-header nav .active {
  color: var(--ink);
  font-weight: 600;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-left: auto;
}
.language select {
  border: 0;
  background: transparent;
  font-size: 12px;
  padding: 10px 2px;
  color: var(--muted);
}
.account-link {
  font-size: 13px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
.catalog-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 38px 28px;
}
.catalog-intro h1 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.7px;
  margin-bottom: 10px;
}
.catalog-intro p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0;
}
.catalog-section {
  padding-top: 0;
  padding-bottom: 48px;
}
.home-entry {
  min-height: 55vh;
  padding-block: 64px;
}
.home-entry h1 {
  font-size: 28px;
}
.home-entry p {
  color: var(--muted);
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.section-heading h2 {
  margin: 8px 0 0;
}
.section-heading > span {
  font-size: 12px;
  color: var(--muted);
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--muted);
}
.filters {
  margin-bottom: 8px;
}
.filter-main {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 18px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 15px;
}
.search-box:focus-within {
  border-color: #897047;
}
.search-box input {
  min-width: 0;
  width: 100%;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 13px;
  padding: 12px 0;
}
.search-box input:focus-visible {
  outline: none;
}
.search-box svg {
  color: var(--muted);
  width: 18px;
  flex-shrink: 0;
}
.filter-primary,
.filter-advanced {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 10px;
}
.filter-primary label,
.filter-advanced label {
  min-width: 0;
}
.filter-primary select,
.filter-advanced select {
  width: 100%;
  min-height: 44px;
  border-radius: 7px;
  font-size: 13px;
  background: transparent;
}
.filter-advanced {
  padding: 0 0 18px;
  max-width: 720px;
}
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  color: var(--muted);
  font-size: 12px;
}
.catalog-toolbar > div {
  display: flex;
  align-items: center;
  gap: 16px;
}
.more-filters,
.reset-filters {
  min-height: 44px;
  padding: 4px 0;
  border: 0;
  background: transparent;
  font-size: 12px;
  color: var(--muted);
}
.more-filters[aria-expanded="true"] {
  color: var(--ink);
}
.more-filters span {
  font-size: 15px;
}
.book-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 26px;
}
.book-card {
  min-width: 0;
}
.cover-wrap {
  background: #efeee9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 25px;
  height: 242px;
  overflow: hidden;
  border-radius: 7px;
}
.cover-wrap img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  position: relative;
  filter: drop-shadow(2px 4px 5px #22292124);
  transition: transform 0.2s;
}
.cover-wrap:hover img {
  transform: translateY(-3px);
}
.cover-fallback {
  position: absolute;
  width: 142px;
  height: 190px;
  padding: 19px 16px;
  background: #faf9f4;
  border: 1px solid #dcdcd3;
  box-shadow: 2px 4px 7px #2229210a;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cover-fallback small {
  font-size: 10px;
  line-height: 1.5;
  color: var(--muted);
}
.cover-ready .cover-fallback {
  visibility: hidden;
}
.cover-fallback strong {
  font-size: 30px;
  font-weight: 500;
}
.cover-fallback span {
  font-size: 12px;
  color: var(--muted);
}
.book-meta {
  padding: 15px 1px 0;
}
.book-meta h3 {
  margin: 6px 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
}
.book-meta p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}
.book-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3px;
}
.book-bottom > span {
  font-size: 11px;
  color: var(--muted);
}
.icon-button {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  background: transparent;
  border-radius: 8px;
}
.icon-button:hover {
  background: var(--light);
}
.save-book[aria-pressed="true"] {
  background: var(--light);
  color: var(--green);
}
.remove-book {
  border: 0;
  padding: 0;
  min-width: 44px;
  min-height: 44px;
  text-align: left;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.remove-book svg {
  width: 16px;
  height: 16px;
}
.remove-book:hover {
  color: var(--ink);
  text-decoration: underline;
}

.save-book.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.backpack-icon {
  position: relative;
  display: inline-flex;
  width: 22px;
  height: 22px;
}
.backpack-badge {
  position: absolute;
  right: -5px;
  top: -3px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  display: grid;
  place-items: center;
}
.backpack-badge svg {
  width: 11px;
  height: 11px;
  stroke-width: 2.5;
}
.save-book[aria-pressed="true"] .backpack-badge {
  background: var(--light);
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 34px;
  font-size: 13px;
}
.pagination a,
.pagination .page-disabled {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 8px;
}
.pagination a:hover {
  background: var(--light);
}
.pagination [aria-current="page"] {
  background: var(--ink);
  color: white;
}
.pagination [aria-current="page"]:hover {
  background: var(--ink);
}
.page-disabled,
.page-gap {
  color: var(--muted);
}
.page-disabled {
  opacity: 0.5;
}
.catalog-feedback {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
}
#catalog-results[aria-busy="true"] .book-grid {
  opacity: 0.5;
}
.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 9px;
  min-height: 46px;
  font-size: 14px;
  border: 1px solid var(--green);
}
.primary {
  background: var(--green);
  color: white;
}
.primary:hover {
  background: #252e29;
  color: white;
}
.secondary {
  background: white;
  border-color: var(--line);
}
.text-button {
  border: 0;
  background: none;
  color: var(--green);
  padding: 12px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px max(40px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
  font-size: 12px;
  color: var(--muted);
}
.site-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.breadcrumbs {
  font-size: 12px;
  color: var(--muted);
  margin: 28px 0;
}
.book-intro {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 60px;
  align-items: center;
  padding: 20px 0 42px;
}
.detail-cover {
  background: #efeee9;
  border-radius: 14px;
  padding: 22px;
  min-height: 305px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail-cover img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(2px 4px 8px #1a302322);
}
.pill {
  display: inline-flex;
  background: var(--light);
  padding: 7px 12px;
  border-radius: 5px;
  font-size: 11px;
  color: var(--green);
  margin-bottom: 18px;
}
.book-intro h1 {
  font-size: 40px;
  margin-bottom: 18px;
}
.book-intro p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 14px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 14px;
}
.fineprint {
  font-size: 11px !important;
  color: var(--muted);
  line-height: 1.7;
}
.unit-section {
  margin-bottom: 60px;
}
.unit-list {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  overflow: hidden;
}
.unit-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}
.unit-row:last-child {
  border: 0;
}
.unit-row:hover {
  background: #f5f4f0;
}
.unit-number {
  font: 23px var(--serif);
  color: #92836c;
  min-width: 34px;
}
.unit-row strong {
  font-size: 15px;
  font-weight: 600;
}
.unit-row small {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
}
.unit-access {
  margin-left: auto;
  display: flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
}
.unit-access svg {
  width: 13px;
}
.unit-access.free {
  color: var(--green);
}
.muted {
  color: var(--muted);
}
.empty-state {
  text-align: center;
  padding: 70px 20px;
}
.empty-state h1 {
  font-size: 30px;
}
.empty-state p {
  color: var(--muted);
}
.empty-state > svg {
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
  color: #948b7b;
}
.recent-section {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 25px;
}
.recent-section h3 {
  font-size: 12px;
  font-weight: 500;
  margin: 0;
}
.recent-section a {
  display: inline-block;
  border-bottom: 1px solid #d2cbbb;
  margin-right: 20px;
  padding: 4px;
  font-size: 12px;
}
.account-page {
  max-width: 450px;
  min-height: calc(100dvh - 169px);
  padding-block: 56px;
}
.auth-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  align-self: start;
}
.auth-card h1,
.auth-card h2 {
  font-size: 24px;
}
.auth-card p {
  font-size: 13px;
  color: var(--muted);
}
.auth-card label {
  display: block;
  font-size: 13px;
  margin: 20px 0;
}
.auth-card input {
  display: block;
  width: 100%;
  margin-top: 8px;
}
.auth-card .primary {
  width: 100%;
  margin-top: 6px;
}
.auth-card .secondary {
  margin-top: 12px;
}
.form-status:not(:empty) {
  padding: 12px;
  background: #f7f0e4;
  border-radius: 8px;
  color: #795a30;
}
.bag-page {
  min-height: 60vh;
  padding-block: 45px;
}
.bag-page h1 {
  font-size: 32px;
  margin-top: 0;
  margin-bottom: 28px;
}
.prose {
  max-width: 750px;
  min-height: 65vh;
  padding-block: 55px;
}
.prose h1 {
  font-size: 36px;
}
.prose h2 {
  font-size: 21px;
  margin-top: 30px;
}
.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose p {
  font-size: 15px;
  color: var(--muted);
}
.toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  background: #303934;
  color: white;
  font-size: 13px;
  padding: 14px 22px;
  border-radius: 9px;
  max-width: 90vw;
  box-shadow: 0 4px 15px #30393422;
  z-index: 80;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.toast.visible {
  opacity: 1;
}
/* Reading canvas keeps geometry independent of sidebar and viewport dimensions. */
.reading .site-header {
  height: 66px;
  padding-inline: 24px;
}
.reading .brand-mark {
  width: 32px;
  height: 35px;
}
.reading .brand strong {
  font-size: 19px;
}
.reading .brand strong span {
  font-size: 7px;
}
.reader-shell {
  height: calc(100dvh - 66px);
  display: flex;
  flex-direction: column;
  background: #f0efeb;
}
.reader-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 22px;
  gap: 12px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  min-height: 65px;
}
.back-link {
  font-size: 13px;
}
.reader-page-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.reader-page-controls select {
  font-size: 12px;
  min-height: 38px;
  border: 0;
  background: #f2f1ed;
}
.reader-top > .secondary {
  min-height: 38px;
  padding: 8px 16px;
  font-size: 12px;
}
.reader-body {
  display: flex;
  min-height: 0;
  flex: 1;
  position: relative;
}
.reader-canvas-wrap {
  display: flex;
  flex: 1;
  min-width: 0;
  position: relative;
  flex-direction: column;
  background: #eeede8;
}
.viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
  isolation: isolate;
}
.page-content {
  position: absolute;
  transform-origin: 0 0;
  will-change: transform;
  top: 0;
  left: 0;
}
.page-content img {
  display: block;
  width: 100%;
  height: 100%;
  user-select: none;
  -webkit-user-drag: none;
}
.hotspot {
  position: absolute;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 3px;
  min-height: 0;
  padding: 0;
  touch-action: none;
}
.hotspot:hover {
  background: #f8b7343b;
  border: 1px solid #da9430;
}
.hotspot.playing {
  background: #fbd66366;
  border: 2px solid #dc9d27;
  box-shadow: 0 0 0 2px #ffdf8c99;
}
.canvas-tools {
  height: 45px;
  background: #f5f4f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.canvas-tools > div {
  display: flex;
  align-items: center;
}
.zoom-label {
  border: 0;
  background: none;
  min-height: 40px;
  min-width: 50px;
  font-size: 11px;
}
.reading-panel {
  width: 310px;
  background: white;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  flex-shrink: 0;
  min-height: 0;
}
.panel-heading {
  padding: 23px 22px 12px;
}
.panel-heading h2 {
  font-size: 20px;
  margin: 0 0 9px;
}
.panel-heading p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.reading-options {
  display: flex;
  gap: 18px;
  font-size: 12px;
  padding: 0 22px 15px;
  border-bottom: 1px solid var(--line);
}
.reading-options label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.reading-options input {
  accent-color: var(--green);
  min-height: 0;
}
.sentence-list {
  overflow: auto;
  flex: 1;
  padding: 10px 12px;
}
.sentence {
  border-radius: 9px;
  padding: 13px 12px;
  border: 1px solid transparent;
  margin-bottom: 4px;
}
.sentence.playing {
  background: #f7f0d5;
  border-color: #ead7a0;
}
.sentence-button {
  border: 0;
  background: none;
  justify-content: start;
  text-align: left;
  font-size: 15px;
  line-height: 1.6;
  padding: 0;
  width: 100%;
  min-height: 35px;
}
.sentence-button svg {
  width: 16px;
  flex-shrink: 0;
  color: var(--green);
}
.translation {
  font-size: 12px;
  color: var(--muted);
  margin: 3px 0 5px 24px;
}
.teaching-note {
  font-size: 11px;
  line-height: 1.8;
  color: #6e726d;
  margin: 5px 0 0 24px;
  padding-left: 9px;
  border-left: 2px solid #d9d2c4;
}
.player {
  border-top: 1px solid var(--line);
  padding: 14px 16px;
  background: #fff;
}
.player-line {
  display: flex;
  gap: 6px;
  align-items: center;
}
.player .primary,
.player .secondary {
  font-size: 11px;
  padding: 9px 11px;
  min-height: 38px;
}
.player select {
  font-size: 11px;
  padding: 7px;
  min-height: 38px;
}
.player p {
  font-size: 10px;
  color: var(--muted);
  margin: 9px 0 0;
  min-height: 18px;
}
.reader-status {
  position: absolute;
  z-index: 10;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: min(90%, 450px);
  background: #fffefa;
  padding: 25px;
  border-radius: 14px;
  border: 1px solid var(--line);
  line-height: 1.8;
  font-size: 14px;
}
.reader-status h2 {
  font-size: 23px;
}
.reader-status p {
  color: var(--muted);
  font-size: 13px;
}
.reader-directory {
  position: absolute;
  right: 310px;
  top: 0;
  bottom: 0;
  background: white;
  z-index: 30;
  width: 280px;
  padding: 20px;
  overflow: auto;
  box-shadow: -4px 5px 20px #152b2520;
}
.reader-directory h2 {
  font-size: 18px;
}
.reader-directory a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.reader-shell:fullscreen {
  height: 100dvh;
}
.offline {
  color: #8e633b !important;
}
@media (min-width: 1500px) {
  .reading-panel {
    width: 350px;
  }
  .reader-directory {
    right: 350px;
  }
}
@media (max-width: 1050px) {
  .page-width {
    width: calc(100% - 48px);
  }
  .site-header {
    padding-inline: 24px;
    gap: 24px;
  }
  .site-header nav {
    margin-left: 0;
    gap: 22px;
  }
  .header-right {
    gap: 36px;
  }
  .filter-main {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .book-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 20px;
  }
  .reading-panel {
    width: 270px;
  }
  .reader-directory {
    right: 270px;
  }
  .panel-heading {
    padding: 18px;
  }
  .reading-options {
    padding-inline: 16px;
    gap: 10px;
  }
}
@media (max-width: 720px) {
  .page-width {
    width: calc(100% - 36px);
  }
  .site-header {
    height: 64px;
    padding: 0 16px;
    gap: 16px;
  }
  .brand {
    gap: 6px;
  }
  .brand strong {
    font-size: 19px;
    letter-spacing: 0.5px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
  }
  .site-header nav {
    gap: 14px;
    margin-left: auto;
  }
  .site-header nav a {
    font-size: 12px;
    gap: 5px;
  }
  .header-right {
    gap: 24px;
    margin-left: auto;
  }
  .site-header nav a svg,
  .account-link svg {
    width: 18px;
    height: 18px;
  }
  .language select {
    font-size: 12px;
    padding-inline: 0;
    min-height: 44px;
  }
  .account-link {
    font-size: 12px;
    white-space: nowrap;
    gap: 5px;
  }
  .catalog-intro {
    padding: 27px 0 20px;
    display: block;
  }
  .catalog-intro h1 {
    font-size: 26px;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
  }
  .catalog-intro p {
    font-size: 12px;
    margin: 0;
  }
  .filter-main {
    gap: 10px;
  }
  .search-box {
    min-height: 46px;
    padding-inline: 13px;
  }
  .search-box input {
    font-size: 13px;
  }
  .filter-primary {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .filter-main > .search-box,
  .filter-primary > .filter-volume {
    display: none;
  }
  .filter-primary select,
  .filter-advanced select {
    font-size: 12px;
    padding-inline: 8px;
  }
  .filter-advanced {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .filter-advanced label:last-child {
    grid-column: auto;
  }
  .filter-advanced .search-box {
    grid-column: 1 / -1;
  }
  .catalog-toolbar {
    min-height: 50px;
  }
  .catalog-toolbar,
  .more-filters,
  .reset-filters {
    font-size: 11px;
  }
  .book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 16px;
  }
  .cover-wrap {
    height: 195px;
    padding: 18px;
  }
  .cover-fallback {
    width: 111px;
    height: 153px;
    padding: 15px 12px;
  }
  .cover-fallback strong {
    font-size: 25px;
  }
  .cover-fallback small {
    font-size: 9px;
  }
  .cover-fallback span {
    font-size: 10px;
  }
  .book-meta {
    padding: 12px 0 0;
  }
  .book-meta h3 {
    font-size: 13px;
    margin: 5px 0;
  }
  .book-meta p {
    font-size: 12px;
  }
  .book-bottom {
    margin-top: 3px;
  }
  .book-bottom > span {
    font-size: 10px;
  }
  .section-heading {
    margin-bottom: 18px;
  }
  .section-heading h2 {
    font-size: 23px;
  }
  .site-footer {
    padding: 25px 18px;
    gap: 4px 22px;
  }
  .site-footer nav {
    font-size: 11px;
    gap: 15px;
    justify-content: flex-start;
  }
  .book-intro {
    grid-template-columns: 120px 1fr;
    gap: 20px;
    align-items: start;
    padding-block: 10px 28px;
  }
  .detail-cover {
    min-height: 190px;
    padding: 10px;
    border-radius: 10px;
  }
  .book-intro h1 {
    font-size: 27px;
    margin-bottom: 12px;
  }
  .book-intro .pill {
    font-size: 9px;
    padding: 5px 7px;
    margin-bottom: 13px;
  }
  .book-intro p {
    font-size: 11px;
  }
  .book-intro .muted {
    display: none;
  }
  .book-intro .primary,
  .book-intro .secondary {
    font-size: 11px;
    min-height: 40px;
    padding: 9px 11px;
  }
  .actions {
    gap: 8px;
    margin: 16px 0 10px;
  }
  .book-intro .fineprint {
    font-size: 9px !important;
  }
  .breadcrumbs {
    font-size: 10px;
    line-height: 1.7;
  }
  .unit-row {
    padding: 15px 12px;
    gap: 10px;
  }
  .unit-number {
    min-width: 26px;
    font-size: 20px;
  }
  .unit-row strong {
    font-size: 12px;
  }
  .unit-row small {
    font-size: 10px;
  }
  .unit-access {
    font-size: 9px;
  }
  .unit-row > svg {
    width: 15px;
  }
  .unit-section .section-heading h2 {
    font-size: 21px;
  }
  .account-page {
    min-height: calc(100dvh - 159px);
    padding-block: 28px;
  }
  .auth-card {
    padding: 23px;
  }
  .auth-card h1,
  .auth-card h2 {
    font-size: 21px;
  }
  .bag-page .section-heading {
    align-items: start;
  }
  .bag-page h1 {
    font-size: 26px;
  }
  .bag-page p {
    font-size: 12px;
  }
  .bag-page .secondary {
    font-size: 12px;
    padding: 10px;
  }
  .prose {
    padding-top: 35px;
  }
  .prose h1 {
    font-size: 30px;
  }
  .prose p {
    font-size: 14px;
  }
  .reading .site-header {
    height: 54px;
    padding: 0 12px;
    gap: 8px;
  }
  .reading .brand strong {
    font-size: 17px;
  }
  .reading .brand strong span {
    display: none;
  }
  .reading .brand-mark {
    width: 28px;
    height: 31px;
  }
  .reading .site-header nav {
    gap: 12px;
  }
  .reading .account-link {
    font-size: 10px;
  }
  .reader-shell {
    height: auto;
    min-height: calc(100dvh - 54px);
  }
  .reader-top {
    padding: 7px 10px;
    gap: 5px;
    min-height: 53px;
  }
  .back-link {
    font-size: 11px;
    max-width: 32%;
    overflow: hidden;
    white-space: nowrap;
  }
  .reader-page-controls {
    gap: 0;
  }
  .reader-page-controls .icon-button {
    min-width: 28px;
    min-height: 36px;
  }
  .reader-page-controls select {
    font-size: 10px;
    padding: 7px;
    max-width: 135px;
  }
  .reader-top > .secondary {
    font-size: 10px;
    padding: 7px 9px;
    min-height: 34px;
  }
  .reader-body {
    display: block;
  }
  .reader-canvas-wrap {
    height: calc(100dvh - 152px);
    min-height: 340px;
    max-height: 850px;
  }
  .reading-panel {
    width: 100%;
    min-height: 250px;
    max-height: 550px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .panel-heading {
    padding: 18px 17px 8px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px;
  }
  .panel-heading .eyebrow {
    display: none;
  }
  .panel-heading h2 {
    font-size: 19px;
    margin: 0;
  }
  .panel-heading p {
    font-size: 11px;
  }
  .reading-options {
    padding: 10px 17px;
    font-size: 11px;
  }
  .sentence-list {
    max-height: 310px;
    padding: 6px 12px;
  }
  .sentence {
    padding: 9px;
  }
  .sentence-button {
    font-size: 14px;
  }
  .translation {
    font-size: 12px;
  }
  .canvas-tools {
    height: 39px;
    padding: 0 8px;
    font-size: 9px;
  }
  .canvas-tools .icon-button {
    min-width: 32px;
    min-height: 36px;
  }
  .zoom-label {
    min-width: 38px;
    font-size: 10px;
  }
  .reader-directory {
    right: 0;
    width: 260px;
    bottom: auto;
    max-height: 70vh;
  }
  .reader-status {
    font-size: 12px;
    padding: 20px;
  }
  .reader-status h2 {
    font-size: 21px;
  }
  .player p {
    font-size: 11px;
  }
  .reader-shell:fullscreen .reader-canvas-wrap {
    height: calc(100dvh - 53px);
  }
  .reader-shell:fullscreen .reading-panel {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 370px) {
  .site-header {
    gap: 6px;
    padding-inline: 12px;
  }
  .brand strong {
    font-size: 16px;
    letter-spacing: 0;
  }
  .brand {
    gap: 4px;
  }
  .brand-mark {
    width: 28px;
    height: 28px;
  }
  .site-header nav {
    gap: 10px;
  }
  .header-right {
    gap: 18px;
  }
  .site-header nav a,
  .account-link {
    gap: 4px;
    font-size: 11px;
  }
  .site-header nav a svg,
  .account-link svg {
    width: 16px;
    height: 16px;
  }
  .filter-primary select {
    font-size: 11px;
    padding-inline: 5px;
  }
}