:root {
  color-scheme: dark;
  --app-bg: #0d0e10;
  --app-bg-raised: #121316;
  --app-surface: #17191d;
  --app-surface-strong: #1d2025;
  --app-line: rgba(255, 255, 255, .09);
  --app-line-strong: rgba(255, 255, 255, .16);
  --app-text: #f4f4f5;
  --app-muted: #a3a5ab;
  --app-faint: #6d7078;
  --app-red: #f20d1b;
  --app-red-hover: #ff2430;
  --app-green: #35b979;
  --app-gold: #d5aa55;
  --app-focus: #ff5a63;
  --app-radius: 6px;
  --app-content: 1320px;
  --app-reading: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--app-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--app-bg) !important;
  color: var(--app-text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

body.modal-open {
  overflow: hidden;
}

a,
button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--app-focus) !important;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 12000;
  padding: 8px 12px;
  border-radius: var(--app-radius);
  background: #fff;
  color: #111;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform .16s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Navigation */
.lib-nav {
  position: sticky;
  top: 0;
  z-index: 1000 !important;
  min-height: 68px !important;
  padding: 0 24px !important;
  border-bottom: 1px solid rgba(255, 255, 255, .055);
  background: rgba(10, 11, 13, .92) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .16);
  backdrop-filter: blur(12px);
}

.lib-nav-shell {
  max-width: 1560px;
  margin: 0 auto;
}

.lib-nav-main {
  min-height: 68px;
  gap: 20px !important;
}

.navbar-brand {
  color: var(--app-red) !important;
  font-size: 1.3rem !important;
  font-weight: 800 !important;
  letter-spacing: 0 !important;
}

.cat-tabs {
  gap: 2px !important;
  padding: 6px 18px !important;
  mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 14px), transparent) !important;
}

.cat-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  min-height: 0;
  padding: 0 11px !important;
  border-radius: 999px !important;
  color: #9a9ca2 !important;
  text-decoration: none !important;
  font-size: .76rem !important;
  font-weight: 620;
  line-height: 1 !important;
  letter-spacing: 0 !important;
  transition: color .16s ease, background .16s ease !important;
}

.cat-tab:hover {
  background: rgba(255, 255, 255, .075) !important;
  color: #fff !important;
}

.cat-tab.active {
  background: #f1f1f2 !important;
  color: #111216 !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .2);
}

.nav-actions {
  gap: 6px !important;
}

.nav-icon-btn,
.search-bar {
  color: #fff;
}

.nav-icon-btn {
  width: 40px !important;
  height: 40px !important;
}

.nav-icon-btn:hover {
  background: rgba(255, 255, 255, .07) !important;
}

.search-bar.open,
.search-bar:focus-within {
  background: #1b1d21 !important;
  border-color: rgba(255, 255, 255, .28) !important;
  box-shadow: 0 0 0 3px rgba(242, 13, 27, .07), 0 12px 32px rgba(0, 0, 0, .34) !important;
}

.search-bar input {
  color: #fff !important;
}

.search-bar input::placeholder {
  color: #777a82 !important;
}

.settings-panel {
  top: calc(100% + 8px) !important;
  width: 276px !important;
  padding: 14px !important;
  border: 1px solid var(--app-line-strong) !important;
  border-radius: 8px !important;
  background: rgba(21, 22, 25, .98) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5) !important;
}

.settings-label {
  color: var(--app-faint) !important;
  font-size: .69rem !important;
  letter-spacing: 0 !important;
}

.settings-panel .mode-toggle,
.settings-panel .lang-toggle {
  border-radius: var(--app-radius) !important;
  background: #0f1012 !important;
}

.settings-panel .mode-btn,
.settings-panel .lang-btn {
  border-radius: 4px !important;
}

.settings-action-btn {
  border-radius: var(--app-radius) !important;
}

.kindle-modal {
  position: fixed !important;
  inset: 0 !important;
  min-height: 0 !important;
  padding: 20px !important;
  background: rgba(5, 6, 8, .78) !important;
  backdrop-filter: blur(8px);
}

.kindle-card {
  border-radius: 8px !important;
  background: #15171a !important;
}

.kindle-card-title {
  letter-spacing: 0 !important;
}

.kindle-field input {
  border-radius: var(--app-radius) !important;
  background: #0f1012 !important;
}

.kindle-password-wrap {
  position: relative;
}

.kindle-password-wrap input {
  padding-right: 44px !important;
}

.kindle-password-toggle {
  position: absolute;
  right: 5px;
  top: 4px;
  width: 32px;
  height: 30px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--app-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.kindle-password-toggle:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.kindle-password-toggle svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kindle-primary,
.kindle-secondary {
  border-radius: var(--app-radius) !important;
}

.kindle-forget {
  display: none;
  min-height: 40px;
  border: 0;
  background: transparent;
  color: #d28c91;
  font-size: .8rem;
  font-weight: 650;
}

.kindle-forget.visible {
  display: inline-flex;
  align-items: center;
}

.app-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 11000;
  width: min(360px, calc(100vw - 32px));
  padding: 12px 14px;
  border: 1px solid var(--app-line-strong);
  border-radius: var(--app-radius);
  background: #1a1c20;
  color: #fff;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .5);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.app-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.app-toast.error {
  border-color: rgba(242, 13, 27, .45);
}

.app-toast.success {
  border-color: rgba(53, 185, 121, .45);
}

.app-transition {
  background: rgba(10, 11, 13, .94) !important;
}

/* Book cards and grids */
.home-shelves {
  max-width: 1560px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.shelf {
  margin-bottom: 34px !important;
}

.shelf-head {
  margin-bottom: 12px !important;
}

.shelf-title,
.page-title,
.discover-title {
  color: var(--app-text);
  font-weight: 760 !important;
  letter-spacing: 0 !important;
}

.shelf-title {
  font-size: 1.25rem !important;
  padding-left: 0 !important;
}

.shelf-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px !important;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 2px 16px !important;
  scroll-snap-type: x proximity;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.shelf-row::-webkit-scrollbar {
  display: none;
}

.shelf-row > a,
.book-grid > a {
  display: block;
  flex: 0 0 auto;
  color: inherit;
  text-decoration: none;
}

.book-card {
  position: relative;
  flex: 0 0 auto;
  width: 150px;
  overflow: hidden;
  border-radius: var(--app-radius) !important;
  background: #202226 !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .22) !important;
  scroll-snap-align: start;
  contain: layout paint;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.book-card:hover {
  transform: translateY(-4px) scale(1.025) !important;
  box-shadow: 0 22px 48px rgba(0, 0, 0, .48) !important;
}

.book-card img,
.book-card .placeholder {
  width: 150px;
  height: 225px;
  border-radius: var(--app-radius) !important;
}

.book-card img {
  position: relative;
  z-index: 2;
  display: block;
  object-fit: cover;
  background: #292b30;
  opacity: 0;
  transition: opacity .2s ease;
}

.book-card img.loaded {
  opacity: 1;
}

.book-card .placeholder {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #292b30;
  color: #64676e;
  font-size: 2rem;
}

.book-card .cover-skeleton {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, #23252a, #2c2f35 48%, #23252a);
  animation: none !important;
}

.book-card:has(img.loaded) .cover-skeleton,
.hero-book:has(img.loaded) .cover-skeleton {
  display: none;
}

.book-card .info {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  padding: 64px 10px 11px !important;
  background: linear-gradient(180deg, transparent 0%, rgba(5, 6, 8, .48) 38%, rgba(5, 6, 8, .94) 76%, #050608 100%);
  opacity: 0;
  transform: translateY(9px);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .8);
  transition: opacity .18s ease, transform .18s ease;
}

.book-card:hover .info,
.shelf-row > a:focus-visible .book-card .info,
.book-grid > a:focus-visible .book-card .info {
  opacity: 1;
  transform: translateY(0);
}

.book-card .info .t {
  display: -webkit-box;
  overflow: hidden;
  color: #fff;
  font-size: .82rem;
  font-weight: 720;
  line-height: 1.15;
  letter-spacing: 0 !important;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.book-card .info .a {
  margin-top: 4px;
  overflow: hidden;
  color: rgba(255, 255, 255, .74);
  font-size: .7rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-category .page-title,
.page-discover .discover-head {
  width: min(var(--app-content), calc(100% - 48px));
  margin: 0 auto;
}

.page-category .page-title {
  margin-bottom: 12px;
  padding: 28px 0 14px !important;
  font-size: 1.75rem !important;
}

.page-discover .discover-head {
  padding: 30px 0 16px !important;
}

.page-discover .discover-title {
  font-size: 1.75rem !important;
}

.page-category .book-grid,
.page-discover .book-grid {
  width: min(var(--app-content), calc(100% - 48px));
  margin: 0 auto;
  display: grid !important;
  grid-template-columns: repeat(auto-fill, 150px);
  justify-content: center !important;
  gap: 12px 10px !important;
  padding: 0 0 44px !important;
}

.empty-state {
  max-width: 520px;
  margin: 38px auto 80px;
  padding: 28px 20px !important;
  border-top: 1px solid var(--app-line);
  border-bottom: 1px solid var(--app-line);
  color: var(--app-muted) !important;
  font-style: normal !important;
}

.inf-loading {
  min-height: 100px;
  padding: 26px !important;
}

footer {
  color: #494c53 !important;
}

/* Quick peek stays anchored to the viewport cursor. */
.quick-peek {
  position: fixed !important;
  width: min(410px, calc(100vw - 28px)) !important;
  padding: 17px !important;
  border-radius: 8px !important;
  border-color: var(--app-line-strong) !important;
  background: rgba(21, 23, 26, .98) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .56) !important;
}

.quick-peek-title {
  font-size: 1rem !important;
  letter-spacing: 0 !important;
}

.quick-peek-desc {
  color: #c5c6ca !important;
  font-size: .84rem !important;
  line-height: 1.55 !important;
  -webkit-line-clamp: 9 !important;
}

/* Homepage hero refinements */
.page-home .hero {
  height: 480px !important;
  margin-bottom: 0 !important;
  padding: 38px max(4%, 24px) 32px !important;
}

.page-home .hero-inner {
  max-width: 1480px;
  margin: 0 auto;
}

.page-home .hero h1 {
  max-width: 650px !important;
  font-size: calc(4rem * var(--hero-title-scale, 1)) !important;
  line-height: .98 !important;
}

.page-home .hero .hero-desc {
  color: #b0b1b6 !important;
  line-height: 1.55 !important;
  -webkit-line-clamp: 3 !important;
}

.page-home .hero .btn-hero {
  min-height: 42px !important;
  padding: 10px 19px !important;
  border-radius: var(--app-radius) !important;
}

.page-home .hero-cycle-btn {
  width: 34px !important;
  height: 34px !important;
}

.page-home .hero-dot {
  width: 6px !important;
  height: 6px !important;
}

.page-home .hero-dot.active {
  width: 24px !important;
}

/* Book detail */
.book-page {
  min-height: calc(100vh - 68px);
}

.book-spotlight {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--app-line);
  background: #101114;
}

.book-spotlight::before {
  content: "";
  position: absolute;
  inset: -24%;
  z-index: -3;
  background-image: var(--book-cover);
  background-position: center;
  background-size: cover;
  filter: blur(42px) saturate(.72);
  opacity: .18;
  transform: scale(1.08);
}

.book-spotlight::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(13, 14, 16, .62), rgba(13, 14, 16, .88) 34%, rgba(13, 14, 16, .95)),
    linear-gradient(180deg, rgba(13, 14, 16, .15), #101114 96%);
}

.book-detail-shell {
  width: min(var(--app-reading), calc(100% - 48px));
  min-height: 420px;
  margin: 0 auto;
  padding: 40px 0 46px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: center;
  gap: 44px;
}

.detail-cover-frame {
  width: 230px;
  aspect-ratio: 2 / 3;
  margin: 0;
  border-radius: var(--app-radius);
  overflow: hidden;
  background: #24262b;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .5);
}

.detail-cover,
.detail-cover-placeholder {
  width: 100% !important;
  height: 100% !important;
  border-radius: 0 !important;
  object-fit: cover;
}

.detail-copy {
  min-width: 0;
  align-self: center;
}

.detail-title {
  max-width: 820px;
  margin: 0;
  color: #fff;
  font-size: 2.75rem !important;
  font-weight: 800 !important;
  line-height: 1.06 !important;
  overflow-wrap: break-word;
  word-break: normal;
  letter-spacing: 0 !important;
}

.detail-author {
  margin-top: 10px !important;
  color: #c2c3c7 !important;
  font-size: 1.08rem !important;
}

.detail-description-wrap {
  position: relative;
  max-width: 780px;
  margin-top: 22px;
}

.detail-desc {
  max-height: none !important;
  margin: 0 !important;
  overflow: visible !important;
  color: #b6b8bd !important;
  font-size: .98rem !important;
  line-height: 1.68 !important;
}

.detail-desc.is-collapsed {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 7;
  overflow: hidden !important;
}

.description-toggle {
  display: none;
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: .82rem;
  font-weight: 720;
}

.description-toggle.visible {
  display: inline-flex;
}

.desc-skeleton {
  margin-top: 24px !important;
}

.desc-skeleton .line {
  height: 11px !important;
  background: rgba(255, 255, 255, .08) !important;
}

/* Download surfaces */
.download-section,
.similar-section,
.download-search-page {
  width: min(var(--app-reading), calc(100% - 48px));
  margin: 0 auto;
}

.download-section {
  padding: 38px 0 48px;
}

.download-section + .similar-section {
  border-top: 1px solid var(--app-line);
}

.download-heading-row,
.download-search-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.download-section-title,
.download-search-title {
  margin: 0;
  color: #fff;
  font-size: 1.55rem !important;
  font-weight: 780 !important;
  letter-spacing: 0 !important;
}

.download-search-page {
  padding: 34px 0 72px;
}

.download-search-head {
  align-items: flex-end;
  margin-bottom: 22px;
}

.download-search-copy {
  min-width: 0;
}

.download-search-title {
  max-width: 780px;
  font-size: 2rem !important;
  line-height: 1.16;
  overflow-wrap: break-word;
}

.download-search-subtitle {
  margin: 7px 0 0;
  color: var(--app-muted);
  font-size: .9rem;
}

.filter-toggle {
  min-height: 38px !important;
  padding: 0 13px !important;
  border: 1px solid var(--app-line-strong) !important;
  border-radius: var(--app-radius) !important;
  background: #17191d !important;
  color: #e5e5e7 !important;
}

.filter-toggle:hover,
.filter-toggle[aria-expanded="true"] {
  border-color: rgba(255, 255, 255, .25) !important;
  background: #202329 !important;
}

.filter-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.download-filter-panel {
  margin-top: 14px;
  padding: 16px;
  border-top: 1px solid var(--app-line);
  border-bottom: 1px solid var(--app-line);
  background: rgba(255, 255, 255, .025);
}

.download-filter-panel[hidden] {
  display: none !important;
}

.download-filter-grid {
  display: grid;
  grid-template-columns: minmax(150px, 1.4fr) repeat(3, minmax(120px, 1fr)) auto auto;
  align-items: end;
  gap: 12px;
}

.download-filter-field label {
  display: block;
  margin: 0 0 6px;
  color: var(--app-faint);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.download-filter-field select {
  width: 100%;
  height: 40px;
  padding: 0 34px 0 11px;
  border: 1px solid var(--app-line);
  border-radius: var(--app-radius);
  background-color: #111216;
  color: #fff;
  font-size: .84rem;
}

.download-filter-field select:focus {
  border-color: var(--app-red);
  box-shadow: 0 0 0 3px rgba(242, 13, 27, .14);
}

.download-filter-check {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c6c7ca;
  font-size: .82rem;
  white-space: nowrap;
}

.download-filter-check input {
  width: 17px;
  height: 17px;
  accent-color: var(--app-red);
}

.filter-apply {
  height: 40px;
  padding: 0 17px;
  border: 0;
  border-radius: var(--app-radius);
  background: var(--app-red);
  color: #fff;
  font-size: .84rem;
  font-weight: 750;
}

.filter-apply:hover {
  background: var(--app-red-hover);
}

.download-loader {
  min-height: 250px;
  padding: 28px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.download-loader[hidden] {
  display: none !important;
}

.download-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(242, 13, 27, .2);
  border-top-color: var(--app-red);
  border-radius: 50%;
  animation: appSpin .72s linear infinite;
}

.edition-skeleton {
  min-height: 94px;
  display: grid;
  grid-template-columns: 54px 1fr 180px;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, .055);
  border-radius: var(--app-radius);
  background: #131519;
  overflow: hidden;
}

.edition-skeleton::after,
.edition-skeleton-cover,
.edition-skeleton-copy {
  background: linear-gradient(100deg, #1d1f23 8%, #272a30 18%, #1d1f23 33%);
  background-size: 220% 100%;
  animation: coverShimmer 1.2s linear infinite;
}

@keyframes coverShimmer {
  to { background-position-x: -220%; }
}

.edition-skeleton-cover {
  width: 44px;
  height: 66px;
  border-radius: 4px;
}

.edition-skeleton-copy {
  width: min(520px, 80%);
  height: 38px;
  border-radius: 4px;
}

.edition-skeleton::after {
  content: "";
  width: 150px;
  height: 38px;
  border-radius: 4px;
}

.edition-list {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.edition-list[hidden] {
  display: none !important;
}

.edition-row {
  position: relative;
  min-height: 112px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 14px 14px 14px 16px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: var(--app-radius);
  background: #131519;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.edition-row:hover {
  border-color: rgba(255, 255, 255, .15);
  background: #17191e;
}

.edition-row.recommended {
  border-left: 3px solid var(--app-red);
  padding-left: 14px;
}

.edition-row > :first-child {
  width: 52px;
  height: 78px;
  overflow: hidden;
  border-radius: 4px;
  background: #25272c;
}

.edition-cover,
.edition-cover-placeholder {
  width: 52px;
  height: 78px;
  border-radius: 4px;
  background: #25272c;
}

.edition-cover {
  object-fit: cover;
  opacity: 0;
  transition: opacity .18s ease;
}

.edition-cover.loaded {
  opacity: 1;
}

.edition-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60636a;
  font-size: 1rem;
  font-weight: 750;
}

.edition-copy {
  min-width: 0;
}

.edition-title-line {
  display: flex;
  align-items: center;
  gap: 9px;
}

.edition-title {
  min-width: 0;
  margin: 0;
  display: -webkit-box;
  overflow: hidden;
  color: #f2f2f3;
  font-size: .95rem;
  font-weight: 720;
  line-height: 1.28;
  white-space: normal;
  letter-spacing: 0;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.edition-recommended {
  flex: 0 0 auto;
  color: #ff777f;
  font-size: .68rem;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0;
}

.edition-byline {
  margin-top: 4px;
  color: #aaaeb5;
  font-size: .8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.edition-publisher {
  margin-top: 2px;
  color: #6f7279;
  font-size: .73rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.edition-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  color: #8c8f96;
  font-size: .73rem;
}

.edition-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.edition-format {
  min-width: 42px;
  padding: 3px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .08);
  color: #d8d9dc;
  font-size: .68rem;
  font-weight: 760;
  text-align: center;
  text-transform: uppercase;
}

.edition-format.epub {
  background: rgba(53, 185, 121, .16);
  color: #76d9a7;
}

.edition-format.pdf {
  background: rgba(242, 13, 27, .14);
  color: #ff777f;
}

.edition-format.mobi,
.edition-format.azw3 {
  background: rgba(213, 170, 85, .15);
  color: #e6c47f;
}

.edition-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(104px, 1fr));
  align-items: center;
  gap: 6px;
}

.edition-action {
  min-height: 38px;
  border-radius: var(--app-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.edition-action svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.edition-download {
  border: 1px solid rgba(255, 255, 255, .14);
  background: #1a1c20;
  color: #e1e2e5;
  box-shadow: none;
}

.edition-download:hover {
  border-color: rgba(255, 255, 255, .28);
  background: #22252a;
  color: #fff;
}

.edition-download.busy {
  opacity: .72;
  pointer-events: none;
}

.edition-kindle {
  border: 1px solid transparent;
  background: var(--app-red);
  color: #fff;
  box-shadow: 0 5px 14px rgba(242, 13, 27, .16);
}

.edition-kindle:hover {
  border-color: transparent;
  background: var(--app-red-hover);
  color: #fff;
}

.edition-kindle.sending {
  opacity: .82;
  pointer-events: none;
}

.edition-kindle.sent {
  background: rgba(53, 185, 121, .12);
  border-color: rgba(53, 185, 121, .4);
  color: #76d9a7;
}

.kindle-progress {
  grid-column: 1 / -1;
  min-width: 0;
  display: grid;
  gap: 7px;
  padding: 12px 2px 1px;
  border-top: 1px solid rgba(255, 255, 255, .065);
  animation: kindleProgressIn .18s ease both;
}

.kindle-progress-head {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #dfe0e3;
  font-size: .76rem;
  font-weight: 680;
}

.kindle-progress-stage {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kindle-progress-value {
  margin-left: auto;
  color: #9b9ea5;
  font-variant-numeric: tabular-nums;
  font-weight: 720;
}

.kindle-progress-track {
  position: relative;
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, .09);
}

.kindle-progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: var(--app-red);
  box-shadow: 0 0 14px rgba(242, 13, 27, .28);
  transition: width .24s ease, background .18s ease;
}

.kindle-progress-detail {
  overflow: hidden;
  color: #777a82;
  font-size: .7rem;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kindle-progress.indeterminate .kindle-progress-fill {
  width: 38% !important;
  animation: kindleProgressIndeterminate 1.1s ease-in-out infinite;
}

.kindle-progress.complete .kindle-progress-stage,
.kindle-progress.complete .kindle-progress-value {
  color: #76d9a7;
}

.kindle-progress.complete .kindle-progress-fill {
  background: var(--app-green);
  box-shadow: 0 0 14px rgba(53, 185, 121, .24);
}

.kindle-progress.error .kindle-progress-stage,
.kindle-progress.error .kindle-progress-value,
.kindle-progress.error .kindle-progress-detail {
  color: #ff777f;
}

.kindle-progress.error .kindle-progress-track {
  background: rgba(242, 13, 27, .14);
}

.kindle-progress.error .kindle-progress-fill {
  width: 100% !important;
  background: rgba(242, 13, 27, .48);
  box-shadow: none;
}

@keyframes kindleProgressIn {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kindleProgressIndeterminate {
  from { transform: translateX(-110%); }
  to { transform: translateX(290%); }
}

.download-empty,
.download-error {
  min-height: 220px;
  margin-top: 16px;
  padding: 34px 20px;
  border-top: 1px solid var(--app-line);
  border-bottom: 1px solid var(--app-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.download-empty[hidden],
.download-error[hidden] {
  display: none !important;
}

.download-state-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 13px;
  color: #7a7d84;
}

.download-state-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.download-error .download-state-icon {
  color: #ff626b;
}

.download-state-title {
  margin: 0;
  color: #f2f2f3;
  font-size: 1rem;
  font-weight: 750;
}

.download-state-copy {
  max-width: 500px;
  margin: 7px 0 0;
  color: var(--app-muted);
  font-size: .84rem;
}

.download-retry {
  min-height: 38px;
  margin-top: 16px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--app-radius);
  background: #f1f1f2;
  color: #111216;
  font-size: .82rem;
  font-weight: 750;
}

.download-pagination {
  min-height: 44px;
  margin-top: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.download-page-button,
.download-page-current {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--app-line);
  border-radius: var(--app-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #15171a;
  color: #b8bac0;
  font-size: .78rem;
  text-decoration: none;
}

.download-page-button:hover {
  border-color: var(--app-line-strong);
  color: #fff;
}

.download-page-current {
  border-color: var(--app-red);
  background: var(--app-red);
  color: #fff;
}

.download-page-button.disabled {
  opacity: .35;
  pointer-events: none;
}

/* Similar books */
.similar-section {
  padding: 34px 0 54px;
}

.similar-section .shelf-title {
  margin-bottom: 12px;
}

.similar-section .book-card,
.similar-section .book-card img,
.similar-section .book-card .placeholder {
  width: 132px !important;
}

.similar-section .book-card img,
.similar-section .book-card .placeholder {
  height: 198px !important;
}

.similar-loading {
  min-height: 198px !important;
}

.similar-empty {
  min-height: 110px;
  display: flex;
  align-items: center;
  color: var(--app-muted);
  font-size: .84rem;
}

@keyframes appSpin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1100px) {
  .page-home .hero h1 {
    font-size: calc(3.25rem * var(--hero-title-scale, 1)) !important;
  }

  .download-filter-grid {
    grid-template-columns: repeat(3, minmax(130px, 1fr));
  }

  .download-filter-check,
  .filter-apply {
    width: 100%;
  }
}

@media (max-width: 980px) {
  .lib-nav {
    min-height: 92px !important;
    padding: 8px 16px 10px !important;
  }

  .lib-nav-main {
    min-height: 0;
  }

  .cat-tabs {
    padding: 4px 0 0 !important;
  }

  .book-detail-shell {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
  }

  .detail-cover-frame {
    width: 190px;
  }

  .detail-title {
    font-size: 2.2rem !important;
  }

  .edition-row {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .edition-actions {
    grid-column: 2;
    margin-top: 2px;
  }
}

@media (max-width: 768px) {
  .home-shelves {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-category .page-title,
  .page-discover .discover-head,
  .page-category .book-grid,
  .page-discover .book-grid,
  .book-detail-shell,
  .download-section,
  .similar-section,
  .download-search-page {
    width: calc(100% - 32px);
  }

  .page-category .page-title {
    padding-top: 22px !important;
    font-size: 1.55rem !important;
  }

  .page-discover .discover-head {
    padding-top: 22px !important;
  }

  .page-discover .discover-title {
    font-size: 1.45rem !important;
  }

  .page-category .book-grid,
  .page-discover .book-grid {
    grid-template-columns: repeat(auto-fill, 120px);
    gap: 10px 8px !important;
  }

  .book-card,
  .book-card img,
  .book-card .placeholder {
    width: 120px;
  }

  .book-card img,
  .book-card .placeholder {
    height: 180px;
  }

  .page-home .hero {
    height: 520px !important;
    padding: 20px 16px 16px !important;
  }

  .page-home .hero h1 {
    font-size: calc(2.25rem * var(--hero-title-scale, 1)) !important;
  }

  .page-home .hero .hero-desc {
    -webkit-line-clamp: 2 !important;
  }

  .book-detail-shell {
    min-height: 0;
    padding: 30px 0 34px;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 26px;
  }

  .detail-cover-frame {
    width: 154px;
  }

  .detail-copy {
    width: 100%;
  }

  .detail-title {
    font-size: 1.72rem !important;
    line-height: 1.1 !important;
  }

  .detail-author {
    font-size: 1rem !important;
  }

  .detail-description-wrap {
    margin-top: 18px;
  }

  .detail-desc {
    font-size: .92rem !important;
    line-height: 1.62 !important;
  }

  .detail-desc.is-collapsed {
    -webkit-line-clamp: 8;
  }

  .download-section {
    padding: 28px 0 38px;
  }

  .download-heading-row,
  .download-search-head {
    align-items: flex-start;
  }

  .download-section-title {
    font-size: 1.35rem !important;
  }

  .download-search-page {
    padding-top: 26px;
  }

  .download-search-title {
    font-size: 1.55rem !important;
  }

  .download-search-subtitle {
    display: none;
  }

  .download-filter-grid {
    grid-template-columns: 1fr 1fr;
  }

  .download-filter-check,
  .filter-apply {
    width: 100%;
  }

  .edition-skeleton {
    grid-template-columns: 44px 1fr;
  }

  .edition-skeleton::after {
    display: none;
  }

  .edition-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
    padding: 13px;
  }

  .edition-row.recommended {
    padding-left: 11px;
  }

  .edition-cover,
  .edition-cover-placeholder {
    width: 46px;
    height: 69px;
  }

  .edition-row > :first-child {
    width: 46px;
    height: 69px;
  }

  .edition-title-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .edition-title {
    width: 100%;
    font-size: .9rem;
  }

  .edition-meta {
    gap: 5px 9px;
  }

  .edition-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1px;
  }

  .edition-action {
    min-width: 0;
  }

  .similar-section {
    padding: 28px 0 44px;
  }

  .similar-section .book-card,
  .similar-section .book-card img,
  .similar-section .book-card .placeholder {
    width: 108px !important;
  }

  .similar-section .book-card img,
  .similar-section .book-card .placeholder {
    height: 162px !important;
  }
}

@media (max-width: 600px) {
  .lib-nav {
    min-height: 94px !important;
    padding: 8px 12px 10px !important;
  }

  .cat-tab {
    height: 30px;
    min-height: 0;
    padding: 0 10px !important;
    font-size: .72rem !important;
  }

  .kindle-modal {
    padding: 10px !important;
    align-items: flex-end !important;
  }

  .kindle-card {
    max-height: calc(100vh - 20px);
    overflow-y: auto;
  }

  .app-toast {
    right: 16px;
    bottom: 16px;
  }

  .download-filter-grid {
    grid-template-columns: 1fr;
  }

  .download-filter-panel {
    padding: 14px;
  }

  .download-search-head {
    flex-direction: column;
  }

  .download-search-head .filter-toggle {
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}