:root {
  --bg: #f2ecde;
  --surface: rgba(255,255,255,0.8);
  --surface-strong: #fffdf7;
  --text: #1f1d1a;
  --muted: #6d675f;
  --line: rgba(54,42,27,0.12);
  --accent: #a54b1a;
  --accent-soft: #f3d6c5;
  --shadow: 0 20px 50px rgba(70, 46, 21, 0.12);
  --reader-font-size: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Roboto", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.65), transparent 34%),
    linear-gradient(135deg, #efe7d6 0%, #efe6da 45%, #e9d7c5 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px;
}

.hero {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,253,247,0.92), rgba(255,244,228,0.88));
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.95;
}

.subtitle {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 12px;
  line-height: 1.6;
}

.notice {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(165,75,26,0.18);
  color: #6e3010;
}

.grid {
  display: grid;
  grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.grid.grid-full {
  grid-template-columns: minmax(0, 1fr);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.sidebar {
  position: sticky;
  top: 24px;
  padding: 18px;
}

.sidebar-block + .sidebar-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.block-title {
  margin: 0 0 12px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.content {
  padding: 22px;
}

form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-bottom: 18px;
}

.settings-panel {
  margin-bottom: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.56);
}

.settings-header {
  margin-bottom: 12px;
}

.settings-form {
  grid-template-columns: 1fr;
}

input[type="url"] {
  width: 100%;
  padding: 15px 16px;
  border-radius: 14px;
  border: 1px solid rgba(54,42,27,0.18);
  font: inherit;
  background: rgba(255,255,255,0.86);
}

.cookie-input {
  width: 100%;
  min-height: 108px;
  padding: 15px 16px;
  border-radius: 14px;
  border: 1px solid rgba(54,42,27,0.18);
  font: inherit;
  resize: vertical;
  background: rgba(255,255,255,0.86);
}

.user-agent-input {
  min-height: 72px;
}

button {
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: white;
  padding: 0 20px;
  font: inherit;
  cursor: pointer;
  min-height: 52px;
}

.book-list, .chapter-list {
  display: grid;
  gap: 10px;
}

.book-card, .chapter-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.72);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.book-card:hover, .chapter-link:hover, .chapter-link.active {
  transform: translateY(-1px);
  border-color: rgba(165,75,26,0.35);
  background: #fffaf0;
}

.book-card {
  display: flex;
  gap: 12px;
  align-items: center;
}

.book-card strong, .chapter-link strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.book-card-text {
  min-width: 0;
}

.book-avatar {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid rgba(54,42,27,0.14);
  background: linear-gradient(135deg, #fff8ed, #e6f0ea);
  color: #28584f;
  font-weight: 900;
}

.book-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-avatar:not(.is-empty) .book-avatar-initial {
  opacity: 0;
}

.book-avatar-small {
  width: 48px;
  height: 64px;
  border-radius: 6px;
  font-size: 1.1rem;
}

.book-avatar-cover {
  width: 100px;
  min-height: 112px;
  border-radius: 7px;
  font-size: 1.55rem;
}

.book-avatar-featured {
  width: 86px;
  height: 116px;
  border-radius: 7px;
  font-size: 1.55rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.home-intro h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  line-height: 1.05;
}

.home-intro p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.7;
}

.continue-card {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 160px;
  padding: 18px;
  border: 1px solid rgba(32, 87, 78, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(232, 246, 239, 0.92), rgba(255,255,255,0.76));
  color: #173c36;
}

.continue-card-text {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.continue-card-text span,
.continue-card em {
  color: #47716a;
  font-style: normal;
  font-size: 0.92rem;
}

.continue-card strong {
  font-size: 1.2rem;
  line-height: 1.25;
}

.library-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.library-heading .block-title {
  margin: 0;
}

.library-count {
  color: var(--muted);
  font-weight: 500;
}

.library-filter-row {
  margin-bottom: 14px;
}

.library-filter {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid rgba(54,42,27,0.18);
  background: rgba(255,255,255,0.78);
  color: var(--text);
  font: inherit;
}

.library-filter:focus {
  outline: 2px solid rgba(32, 87, 78, 0.22);
  border-color: rgba(32, 87, 78, 0.34);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.library-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-content: stretch;
  min-height: 138px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.72);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.library-card:hover {
  transform: translateY(-1px);
  border-color: rgba(32, 87, 78, 0.28);
  background: #f8fffb;
}

.library-card strong {
  display: block;
  font-size: 1.04rem;
  line-height: 1.35;
}

.library-card-body {
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.library-card[hidden],
.library-empty[hidden] {
  display: none;
}

.book-badge {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: #e5f1eb;
  color: #28584f;
  font-size: 0.82rem;
  font-weight: 700;
}

.stat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.62);
}

.stat-item strong {
  color: #28584f;
  font-size: 1.5rem;
  line-height: 1;
}

.stat-item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.book-detail-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  align-items: end;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.book-avatar-detail {
  width: 132px;
  min-height: 178px;
  border-radius: 8px;
  font-size: 2.2rem;
}

/* Show the whole cover at its natural aspect ratio instead of cropping it. */
.book-avatar-detail:not(.is-empty) {
  width: 260px;
  min-height: 0;
}

.book-avatar-detail img {
  position: static;
  display: block;
  height: auto;
  object-fit: contain;
}

.book-avatar-detail:not(.is-empty) .book-avatar-initial {
  display: none;
}

.book-detail-main h2 {
  margin: 8px 0 14px;
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  line-height: 1.05;
}

.book-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.book-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 16px;
  margin-bottom: 16px;
}

.book-detail-panel {
  margin-bottom: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.56);
}

.book-detail-panel h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.book-info-row {
  display: grid;
  grid-template-columns: minmax(90px, 0.28fr) minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.book-info-row:first-of-type {
  border-top: 0;
}

.book-info-row span {
  color: var(--muted);
}

.book-info-row strong {
  font-weight: 600;
}

.book-detail-stats {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list span {
  padding: 7px 10px;
  border-radius: 999px;
  background: #e5f1eb;
  color: #28584f;
  font-size: 0.9rem;
  font-weight: 600;
}

.book-description p {
  margin: 0 0 1em;
  line-height: 1.85;
}

.nav-link-full {
  width: 100%;
}

.reader-header {
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.reader-header h2 {
  margin: 8px 0 6px;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.1;
}

.reader-header p {
  margin: 0;
  color: var(--muted);
}

.translate-panel {
  display: flex;
  justify-content: flex-end;
  margin: -8px 0 18px;
}

#google_translate_element {
  min-height: 44px;
}

.goog-te-gadget {
  font-family: inherit !important;
  color: var(--muted) !important;
}

.goog-te-gadget-simple {
  border: 1px solid rgba(165,75,26,0.24) !important;
  border-radius: 999px;
  background: #fff7ed !important;
  padding: 10px 14px !important;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  align-items: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(165,75,26,0.24);
  background: #fff7ed;
  color: #7f3913;
}

.chapter-select-wrap {
  display: inline-flex;
  min-width: min(420px, 100%);
  flex: 1 1 280px;
}

.chapter-select {
  width: 100%;
  min-height: 44px;
  padding: 0 42px 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(165,75,26,0.24);
  background: #fff7ed;
  color: #7f3913;
  font: inherit;
  appearance: none;
  cursor: pointer;
}

.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;
}

.nav-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.chapter-content {
  font-size: var(--reader-font-size);
  line-height: 1.95;
}

.chapter-content p {
  margin: 0 0 1.15em;
}

.chapter-content p:last-child {
  margin-bottom: 0;
}

.font-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(165,75,26,0.24);
  background: #fff7ed;
}

.font-btn {
  min-width: 40px;
  min-height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: rgba(165,75,26,0.12);
  color: #7f3913;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.font-size-value {
  min-width: 46px;
  text-align: center;
  color: #7f3913;
  font-size: 0.95rem;
  font-weight: 500;
}

.color-controls {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(165,75,26,0.24);
  background: #fff7ed;
}

.color-picker-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.color-label-text {
  font-size: 0.85rem;
  color: #7f3913;
  font-weight: 500;
  white-space: nowrap;
}

.color-picker {
  width: 36px;
  height: 32px;
  border: 2px solid rgba(165,75,26,0.3);
  border-radius: 6px;
  cursor: pointer;
  padding: 2px;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.color-picker::-moz-color-swatch {
  border: none;
  border-radius: 4px;
}

.empty {
  padding: 28px;
  border: 1px dashed rgba(54,42,27,0.18);
  border-radius: 20px;
  color: var(--muted);
  background: rgba(255,255,255,0.46);
}

@media (max-width: 1180px) {
  .library-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .grid.grid-full {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  form {
    grid-template-columns: 1fr;
  }

  button {
    width: 100%;
  }

  .chapter-select-wrap {
    min-width: 100%;
    flex-basis: 100%;
  }

  .font-controls,
  .color-controls {
    width: fit-content;
  }

  .book-detail-hero,
  .book-detail-grid {
    grid-template-columns: 1fr;
  }

  .book-avatar-detail {
    width: 112px;
    min-height: 152px;
  }

  .book-avatar-detail:not(.is-empty) {
    width: 100%;
    max-width: 360px;
  }

  .home-intro {
    grid-template-columns: 1fr;
  }

  .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .shell {
    padding: 16px 0;
  }

  .color-controls {
    flex-direction: column;
    gap: 8px;
    padding: 8px;
  }

  .color-label-text {
    font-size: 0.75rem;
  }

  .library-grid {
    grid-template-columns: 1fr;
  }
}