.gsy-app--library {
  --gsy-library-bg: #f2e4d0;
  --gsy-library-bg-deep: #e7d0ad;
  --gsy-library-paper: #fff8ec;
  --gsy-library-paper-strong: #fffaf2;
  --gsy-library-surface: rgba(255, 250, 241, 0.9);
  --gsy-library-surface-solid: #fff7e9;
  --gsy-library-surface-soft: rgba(248, 232, 209, 0.74);
  --gsy-library-border: rgba(100, 66, 36, 0.16);
  --gsy-library-border-soft: rgba(100, 66, 36, 0.09);
  --gsy-library-text: #2f251c;
  --gsy-library-text-soft: #715d4b;
  --gsy-library-text-muted: #a08b75;
  --gsy-library-accent: #b87739;
  --gsy-library-accent-2: #d7a464;
  --gsy-library-accent-deep: #744720;
  --gsy-library-danger: #9f463d;
  --gsy-library-track: rgba(116, 71, 32, 0.12);
  --gsy-library-shadow: 0 24px 60px rgba(78, 48, 23, 0.14);
  --gsy-library-shadow-soft: 0 14px 34px rgba(78, 48, 23, 0.09);
  --gsy-library-glass-shadow: 0 18px 44px rgba(52, 32, 18, 0.18);
  --gsy-library-radius-lg: 30px;
  --gsy-library-radius-md: 22px;
  --gsy-library-radius-sm: 16px;
  --gsy-library-gradient-accent: linear-gradient(135deg, #8b5228 0%, #d8a76a 52%, #72421f 100%);
  --gsy-library-gradient-paper:
    radial-gradient(circle at 12% 0%, rgba(255, 244, 214, 0.82), transparent 35%),
    radial-gradient(circle at 96% 10%, rgba(210, 145, 75, 0.2), transparent 32%),
    linear-gradient(180deg, #fffaf1 0%, #f6e6cf 100%);
  min-height: 100%;
  background:
    radial-gradient(circle at 0% 0%, rgba(224, 164, 86, 0.3), transparent 34%),
    radial-gradient(circle at 100% 8%, rgba(121, 73, 31, 0.16), transparent 32%),
    linear-gradient(180deg, var(--gsy-library-bg), var(--gsy-library-bg-deep));
  color: var(--gsy-library-text);
}

/* ===== Shell ===== */
.gsy-zone-shell--library {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  gap: 18px;
  padding: 16px 16px 96px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 250, 241, 0.56), rgba(238, 211, 174, 0.72)),
    repeating-linear-gradient(90deg, rgba(116, 71, 32, 0.025) 0 1px, transparent 1px 20px);
}

.gsy-zone-shell--library::before,
.gsy-zone-shell--library::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(2px);
}

.gsy-zone-shell--library::before {
  top: -130px;
  right: -120px;
  width: 260px;
  height: 260px;
  background: rgba(216, 167, 106, 0.22);
}

.gsy-zone-shell--library::after {
  left: -90px;
  bottom: 56px;
  width: 220px;
  height: 220px;
  background: rgba(139, 82, 40, 0.12);
}

.gsy-mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: -4px -2px 0;
  padding: 10px 2px 8px;
  background: linear-gradient(180deg, rgba(242, 228, 208, 0.96), rgba(242, 228, 208, 0));
  backdrop-filter: blur(16px);
}

.gsy-mobile-topbar__content {
  min-width: 0;
}

.gsy-mobile-topbar__title {
  margin: 0;
  color: var(--gsy-library-text);
  font-size: 22px;
  line-height: 1.2;
  font-weight: 760;
  letter-spacing: -0.04em;
}

.gsy-mobile-topbar__back-title,
.gsy-mobile-topbar__back-title--pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.88);
  color: #3a2b20;
  box-shadow: var(--gsy-library-shadow-soft);
  font-size: 16px;
  font-weight: 760;
  letter-spacing: -0.02em;
  cursor: pointer;
}

.gsy-library-mobile-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
}

.gsy-library-tab-page {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
}

/* ===== Common cards / typography ===== */
.gsy-surface-card,
.gsy-metric-card,
.gsy-detail-panel,
.gsy-overlay-panel,
.gsy-library-empty,
.gsy-now-reading-card,
.gsy-library-home-hero__main,
.gsy-home-book-spotlight {
  border: 1px solid var(--gsy-library-border);
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.96), rgba(255, 244, 228, 0.88));
  box-shadow:
    var(--gsy-library-shadow-soft),
    inset 0 1px 0 rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
}

.gsy-surface-card,
.gsy-detail-panel {
  border-radius: var(--gsy-library-radius-lg);
  padding: 18px;
}

.gsy-surface-card--hero {
  padding: 16px;
}

.gsy-library-section-heading,
.gsy-section-heading,
.gsy-overlay-panel__header,
.gsy-import-chapters-card__head,
.gsy-reader-settings-screen__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.gsy-library-section-heading__title,
.gsy-section-heading__title,
.gsy-library-empty__title,
.gsy-overlay-panel__title,
.gsy-import-chapters-card__title,
.gsy-reader-settings-screen__title,
.gsy-reader-token-card__title {
  margin: 0;
  color: var(--gsy-library-text);
  line-height: 1.28;
  font-weight: 780;
  letter-spacing: -0.035em;
}

.gsy-library-section-heading__title,
.gsy-section-heading__title {
  font-size: 17px;
}

.gsy-library-empty__title {
  font-size: 18px;
}

.gsy-overlay-panel__title {
  font-size: 20px;
}

.gsy-import-chapters-card__title,
.gsy-reader-token-card__title {
  font-size: 15px;
}

.gsy-library-section-heading__text,
.gsy-library-empty__text,
.gsy-library-empty__text--hint,
.gsy-metric-card__desc,
.gsy-now-reading-card__text,
.gsy-overlay-panel__text,
.gsy-continue-book__meta,
.gsy-rank-row__meta,
.gsy-settings-field__label,
.gsy-note-entry__meta,
.gsy-qa-entry__meta,
.gsy-detail-panel__summary,
.gsy-book-card__intro,
.gsy-book-card__author,
.gsy-import-chapters-card__text,
.gsy-import-chapters-card__empty,
.gsy-home-book-spotlight__meta {
  margin: 6px 0 0;
  color: var(--gsy-library-text-soft);
  font-size: 13px;
  line-height: 1.72;
}

.gsy-library-empty {
  padding: 28px 22px;
  border-radius: 26px;
}

/* ===== Dashboard ===== */
.gsy-library-home-hero,
.gsy-library-home-hero--reader {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.82fr);
  gap: 14px;
}

.gsy-library-home-hero__main {
  padding: 24px 22px;
  border-radius: var(--gsy-library-radius-lg);
}

.gsy-library-home-hero__eyebrow,
.gsy-now-reading-card__eyebrow,
.gsy-detail-panel__eyebrow,
.gsy-home-book-spotlight__label,
.gsy-reader-surface__meta {
  display: block;
  margin: 0;
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gsy-library-home-hero__title {
  margin: 10px 0 0;
  color: var(--gsy-library-text);
  font-size: 32px;
  line-height: 1.08;
  font-weight: 820;
  letter-spacing: -0.055em;
}

.gsy-library-home-hero__text {
  margin: 10px 0 0;
  color: var(--gsy-library-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.gsy-library-home-hero__actions,
.gsy-button-row,
.gsy-chip-group,
.gsy-control-bar__actions,
.gsy-reader-settings-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.gsy-library-home-hero__actions {
  margin-top: 18px;
}

.gsy-now-reading-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  border-radius: var(--gsy-library-radius-lg);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.gsy-now-reading-card__title {
  color: var(--gsy-library-text);
  font-size: 20px;
  line-height: 1.25;
  font-weight: 780;
}

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

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

.gsy-metric-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 18px 16px;
}

.gsy-metric-card::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(184, 119, 57, 0.48), transparent);
}

.gsy-metric-card__label {
  margin: 0;
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.gsy-metric-card__value {
  margin: 10px 0 0;
  color: var(--gsy-library-accent-deep);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 820;
  letter-spacing: -0.04em;
}

.gsy-continue-book {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 12px;
  padding: 14px 0 0;
  border: 0;
  border-top: 1px solid var(--gsy-library-border-soft);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.gsy-continue-book:first-of-type {
  margin-top: 16px;
}

.gsy-continue-book__main {
  min-width: 0;
}

.gsy-continue-book__title,
.gsy-finished-card__title,
.gsy-rank-row__title,
.gsy-book-card__title,
.gsy-detail-panel__title {
  display: block;
  color: var(--gsy-library-text);
  font-size: 16px;
  line-height: 1.35;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.gsy-continue-book__track,
.gsy-step-row__track,
.gsy-detail-panel__meter-track,
.gsy-book-card__progress-track {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 999px;
  background: var(--gsy-library-track);
}

.gsy-continue-book__track,
.gsy-step-row__track,
.gsy-detail-panel__meter-track {
  height: 8px;
  margin-top: 10px;
}

.gsy-book-card__progress-track {
  height: 6px;
}

.gsy-continue-book__fill,
.gsy-step-row__fill,
.gsy-detail-panel__meter-fill,
.gsy-book-card__progress-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gsy-library-gradient-accent);
}

.gsy-continue-book__value,
.gsy-step-row__value,
.gsy-rank-row__value,
.gsy-detail-panel__meter-value,
.gsy-book-card__progress {
  color: var(--gsy-library-accent-deep);
  font-size: 13px;
  font-weight: 760;
}

/* ===== Controls / forms ===== */
.gsy-control-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 26px;
  background: rgba(255, 250, 242, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.gsy-search-field {
  position: relative;
  flex: 1;
  min-width: 0;
}

.gsy-search-field__icon {
  position: absolute;
  top: 50%;
  left: 14px;
  color: var(--gsy-library-text-muted);
  font-size: 14px;
  transform: translateY(-50%);
  pointer-events: none;
}

.gsy-search-field__input,
.gsy-select-field select,
.gsy-inline-input,
.gsy-textarea,
.gsy-settings-field__value {
  width: 100%;
  border: 1px solid var(--gsy-library-border-soft);
  border-radius: 18px;
  background: rgba(255, 252, 247, 0.88);
  color: var(--gsy-library-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
  font-size: 14px;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.gsy-search-field__input {
  height: 48px;
  padding: 0 16px 0 42px;
}

.gsy-select-field {
  display: inline-flex;
  min-width: 132px;
}

.gsy-select-field select {
  height: 44px;
  padding: 0 14px;
  cursor: pointer;
}

.gsy-inline-input {
  min-height: 44px;
  padding: 0 14px;
}

.gsy-textarea {
  min-height: 108px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.7;
}

.gsy-textarea--large {
  min-height: 220px;
}

.gsy-search-field__input:focus,
.gsy-select-field select:focus,
.gsy-inline-input:focus,
.gsy-textarea:focus {
  border-color: rgba(184, 119, 57, 0.42);
  box-shadow: 0 0 0 4px rgba(184, 119, 57, 0.16);
  background: #fffdf8;
}

.gsy-icon-button,
.gsy-primary-action,
.gsy-chip,
.gsy-reader-outline-toggle,
.gsy-reader-round-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gsy-library-border);
  background: rgba(255, 250, 242, 0.92);
  color: #6d523d;
  box-shadow: var(--gsy-library-shadow-soft);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.gsy-icon-button,
.gsy-primary-action {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 700;
}

.gsy-primary-action {
  border-color: rgba(116, 71, 32, 0.2);
  background: var(--gsy-library-gradient-accent);
  color: #fffaf2;
}

.gsy-primary-action--soft,
.gsy-chip.is-active,
.gsy-icon-button.is-active,
.gsy-reader-outline-toggle.is-active {
  background: #f1dcc0;
  color: #57351d;
}

.gsy-primary-action--danger,
.gsy-chip--danger {
  border-color: rgba(159, 70, 61, 0.28);
  background: linear-gradient(135deg, #9f463d, #c56f5e);
  color: #fff8f4;
}

.gsy-primary-action--danger-soft {
  border-color: rgba(159, 70, 61, 0.18);
  background: #f7dfd8;
  color: #8e3a32;
}

.gsy-chip {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.gsy-icon-button:hover,
.gsy-primary-action:hover,
.gsy-chip:hover,
.gsy-reader-outline-toggle:hover,
.gsy-now-reading-card:hover,
.gsy-book-card__action:hover,
.gsy-finished-card:hover,
.gsy-continue-book:hover,
.gsy-home-book-spotlight:hover {
  transform: translateY(-1px);
}

/* ===== Shelf / books ===== */
.gsy-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.gsy-shelf-selection-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 22px;
  background: rgba(255, 250, 242, 0.76);
  box-shadow: var(--gsy-library-shadow-soft);
}

.gsy-shelf-selection-bar__count {
  color: var(--gsy-library-text-soft);
  font-size: 13px;
  font-weight: 700;
}

.gsy-library-books {
  display: grid;
  gap: 14px;
}

.gsy-library-books--grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.gsy-book-card__action {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  height: 100%;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--gsy-library-border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(244, 229, 208, 0.88));
  box-shadow: var(--gsy-library-shadow-soft);
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.gsy-book-card__action::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.45), transparent 42%);
  pointer-events: none;
}

.gsy-book-card__action.is-selected {
  border-color: rgba(184, 119, 57, 0.46);
  box-shadow:
    0 0 0 4px rgba(184, 119, 57, 0.14),
    var(--gsy-library-shadow-soft);
}

.gsy-book-card--grid .gsy-book-card__action {
  gap: 10px;
  min-height: 224px;
}

.gsy-book-card--list .gsy-book-card__action {
  gap: 12px;
  align-items: stretch;
}

.gsy-book-card__selector {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--gsy-library-gradient-accent);
  color: #fffaf2;
  font-size: 13px;
  font-weight: 800;
}

.gsy-book-card__cover,
.gsy-detail-panel__cover {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(100, 66, 36, 0.14);
  border-radius: 22px;
  box-shadow:
    inset 10px 0 18px rgba(76, 46, 22, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.gsy-book-card__cover {
  display: flex;
  align-items: flex-end;
  flex: 1;
  min-height: 146px;
  padding: 12px 10px;
  border-radius: 16px;
}

.gsy-book-card__cover-spine,
.gsy-detail-panel__cover-line {
  position: absolute;
  top: 0;
  left: 16px;
  width: 1px;
  height: 100%;
  background: rgba(61, 39, 23, 0.16);
}

.gsy-book-card__cover-title {
  position: relative;
  z-index: 1;
  max-width: 2.6em;
  color: rgba(48, 32, 21, 0.92);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.22);
  font-size: 17px;
  line-height: 1.28;
  font-weight: 820;
  letter-spacing: -0.03em;
  word-break: break-all;
}

.gsy-book-card__cover--stone,
.gsy-detail-panel__cover--stone {
  background: linear-gradient(145deg, #ead7bd, #b98555);
}

.gsy-book-card__cover--mist,
.gsy-detail-panel__cover--mist {
  background: linear-gradient(145deg, #f2e7d5, #ccb08d);
}

.gsy-book-card__cover--ink,
.gsy-detail-panel__cover--ink {
  background: linear-gradient(145deg, #c8a17b, #5d3d2a);
}

.gsy-book-card__cover--cloud,
.gsy-detail-panel__cover--cloud {
  background: linear-gradient(145deg, #fff1d8, #d9b27e);
}

.gsy-book-card__cover--ink .gsy-book-card__cover-title {
  color: rgba(255, 249, 239, 0.94);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.24);
}

.gsy-book-card__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 8px;
}

.gsy-book-card__meta-row,
.gsy-book-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.gsy-book-card__label,
.gsy-book-card__status,
.gsy-detail-panel__tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--gsy-library-border-soft);
  border-radius: 999px;
  background: rgba(248, 232, 209, 0.7);
  color: var(--gsy-library-text-soft);
  font-size: 12px;
}

.gsy-book-card__date,
.gsy-detail-panel__author,
.gsy-note-entry__meta,
.gsy-qa-entry__meta,
.gsy-book-card__mini-meta {
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.gsy-book-card__title {
  margin-top: 0;
  font-size: 14px;
}

.gsy-book-card__data-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin-top: 0;
}

.gsy-icon-button--text {
  min-width: 72px;
}

/* ===== Stats / reading room ===== */
.gsy-stats-grid,
.gsy-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.gsy-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.gsy-calendar-grid__cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border-radius: 12px;
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  background: rgba(255, 250, 242, 0.74);
}

.gsy-calendar-grid__cell--level-1 {
  background: #f1dcc0;
}

.gsy-calendar-grid__cell--level-2 {
  background: #e6c596;
}

.gsy-calendar-grid__cell--level-3 {
  background: #d9a96e;
  color: #5a351b;
}

.gsy-calendar-grid__cell--level-4 {
  background: #b87739;
  color: #fffaf2;
}

.gsy-rank-row,
.gsy-step-row {
  display: grid;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gsy-library-border-soft);
}

.gsy-rank-row:first-of-type,
.gsy-step-row:first-of-type {
  margin-top: 14px;
}

.gsy-rank-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.gsy-rank-row__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #f1dcc0;
  color: var(--gsy-library-accent-deep);
  font-size: 12px;
  font-weight: 800;
}

.gsy-rank-row__main {
  min-width: 0;
}

.gsy-step-row {
  grid-template-columns: 88px minmax(0, 1fr) 32px;
}

.gsy-step-row__label {
  color: var(--gsy-library-text-soft);
  font-size: 13px;
}

.gsy-reading-room-switcher-card {
  position: sticky;
  top: 0;
  z-index: 8;
  padding: 6px 0 2px;
  border: 0;
  background: linear-gradient(180deg, rgba(242, 228, 208, 0.92), rgba(242, 228, 208, 0));
  box-shadow: none;
  backdrop-filter: blur(14px);
}

.gsy-reading-room-switcher {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
}

.gsy-reading-room-switcher .gsy-chip {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border-radius: 16px;
}

.gsy-reading-room-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.gsy-reading-room-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.gsy-detail-panel__cover {
  min-height: 148px;
  margin-bottom: 16px;
}

.gsy-detail-panel__title {
  margin: 10px 0 0;
  font-size: 22px;
  line-height: 1.22;
}

.gsy-detail-panel__summary {
  margin-top: 12px;
}

.gsy-detail-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.gsy-detail-panel__meter {
  display: grid;
  grid-template-columns: auto auto;
  gap: 8px 12px;
  align-items: center;
  margin-top: 18px;
}

.gsy-detail-panel__meter-track {
  grid-column: 1 / -1;
  margin-top: 0;
}

.gsy-detail-panel__chapters {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.gsy-detail-panel__chapter {
  padding-top: 10px;
  border-top: 1px solid var(--gsy-library-border-soft);
}

.gsy-detail-panel__chapter-button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  width: 100%;
  padding: 10px 8px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.gsy-detail-panel__chapter-button:hover {
  background: rgba(184, 119, 57, 0.12);
}

.gsy-detail-panel__chapter-index {
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.gsy-detail-panel__chapter-title {
  color: var(--gsy-library-text);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== Notes / QA / settings / import / RAG shared ===== */
.gsy-inline-form,
.gsy-stack-form {
  display: flex;
  gap: 10px;
}

.gsy-inline-form {
  flex-wrap: wrap;
  margin-top: 14px;
}

.gsy-inline-form--reading .gsy-inline-input {
  flex: 1;
  min-width: 120px;
}

.gsy-stack-form {
  flex-direction: column;
  margin-top: 14px;
}

.gsy-note-list,
.gsy-qa-list,
.gsy-session-records-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.gsy-note-entry,
.gsy-qa-entry,
.gsy-reader-annotation-summary__item,
.gsy-session-record,
.gsy-rag-result,
.gsy-rag-answer,
.gsy-import-chapters-card,
.gsy-reader-token-card {
  border: 1px solid var(--gsy-library-border-soft);
  border-radius: 20px;
  background: rgba(255, 250, 242, 0.72);
}

.gsy-note-entry,
.gsy-qa-entry,
.gsy-reader-annotation-summary__item {
  padding: 12px 14px;
}

.gsy-note-entry__text,
.gsy-qa-entry__question,
.gsy-qa-entry__answer,
.gsy-reader-annotation-summary__quote,
.gsy-reader-annotation-summary__comment,
.gsy-rag-result__text,
.gsy-rag-answer__text,
.gsy-session-record__preview {
  margin: 0;
  color: var(--gsy-library-text);
  font-size: 14px;
  line-height: 1.75;
}

.gsy-qa-entry__question {
  font-weight: 780;
}

.gsy-qa-entry__answer,
.gsy-reader-annotation-summary__comment {
  margin-top: 8px;
  color: var(--gsy-library-text-soft);
}

.gsy-settings-grid-inner,
.gsy-reader-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 12px;
  margin-top: 14px;
}

.gsy-settings-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.gsy-settings-field:first-of-type {
  margin-top: 12px;
}

.gsy-settings-field__value {
  min-height: 44px;
  padding: 12px 14px;
  line-height: 1.45;
}

.gsy-settings-save-button {
  margin-top: 16px;
}

.gsy-import-file-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.gsy-import-file-indicator__name {
  color: var(--gsy-library-text);
  font-size: 13px;
  line-height: 1.6;
}

.gsy-import-chapters-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.gsy-import-chapter-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  -webkit-overflow-scrolling: touch;
}

.gsy-import-chapter-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.gsy-import-chapter-item__index {
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.4;
  text-align: center;
  letter-spacing: 0.08em;
}

.gsy-import-chapter-item__input {
  min-height: 38px;
  border-radius: 14px;
  font-size: 13px;
}

.gsy-session-record {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.gsy-session-record__name,
.gsy-rag-results__title,
.gsy-rag-answer__title {
  margin: 0;
  color: var(--gsy-library-text);
  font-size: 15px;
  line-height: 1.4;
  font-weight: 780;
}

.gsy-session-record__meta,
.gsy-rag-result__meta,
.gsy-rag-card__intro {
  margin: 6px 0 0;
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.gsy-session-record__actions,
.gsy-rag-actions,
.gsy-rag-form__row,
.gsy-rag-scope {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.gsy-rag-overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.gsy-rag-overview__item {
  padding: 12px;
  border: 1px solid var(--gsy-library-border-soft);
  border-radius: 18px;
  background: rgba(255, 250, 242, 0.72);
}

.gsy-rag-overview__label {
  display: block;
  color: var(--gsy-library-text-muted);
  font-size: 12px;
}

.gsy-rag-overview__value {
  display: block;
  margin-top: 6px;
  color: var(--gsy-library-accent-deep);
  font-size: 20px;
}

.gsy-rag-form {
  margin-top: 14px;
}

.gsy-rag-form__row {
  margin-top: 10px;
}

.gsy-rag-results {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.gsy-rag-result,
.gsy-rag-answer {
  padding: 14px;
}

.gsy-rag-result__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.gsy-rag-result__title {
  margin: 0;
  color: var(--gsy-library-text);
  font-size: 14px;
  font-weight: 780;
}

.gsy-rag-result__score {
  color: var(--gsy-library-accent-deep);
  font-size: 12px;
  font-weight: 800;
}

.gsy-rag-empty {
  margin: 12px 0 0;
  color: var(--gsy-library-text-soft);
  font-size: 13px;
  line-height: 1.7;
}

/* ===== Overlay panels ===== */
.gsy-overlay-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 18px;
  background: rgba(48, 31, 19, 0.2);
  backdrop-filter: blur(8px);
}

.gsy-overlay-panel {
  width: min(100%, 720px);
  max-height: calc(100vh - 72px);
  overflow: auto;
  border-radius: 30px;
  padding: 20px;
}

/* ===== Bottom tabbar ===== */
.gsy-library-tabbar {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  width: min(760px, calc(100vw - 30px));
  padding: 10px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 24px;
  background: rgba(255, 250, 242, 0.9);
  box-shadow: 0 20px 48px rgba(78, 48, 23, 0.16);
  transform: translateX(-50%);
  backdrop-filter: blur(16px);
}

.gsy-library-tabbar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 56px;
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: #9b8067;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.gsy-library-tabbar__item:hover {
  transform: translateY(-1px);
}

.gsy-library-tabbar__item.is-active {
  background: linear-gradient(180deg, #f4dfc3, #ecd1aa);
  color: #51331f;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.54);
}

.gsy-library-tabbar__icon {
  font-size: 16px;
  line-height: 1;
}

.gsy-library-tabbar__label {
  font-size: 11px;
  line-height: 1.2;
}

/* ===== Reader: one complete immersive system ===== */
.gsy-library-tab-page--reader {
  display: block;
  min-height: 100svh;
  min-height: 100dvh;
  margin: 0;
  gap: 0;
  background:
    radial-gradient(circle at 50% -8%, rgba(217, 162, 91, 0.28), transparent 36%),
    linear-gradient(180deg, #f4e6d4 0%, #ead7bd 100%);
}

.gsy-library-tab-page--reader .gsy-reader-layout {
  display: block;
  width: 100%;
  min-height: 100svh;
  min-height: 100dvh;
}

.gsy-library-tab-page--reader .gsy-detail-panel--reading {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.gsy-library-tab-page--reader .gsy-reader-surface,
.gsy-library-tab-page--reader .gsy-reader-surface--scroll {
  min-height: 100svh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
}

.gsy-library-tab-page--reader .gsy-reader-content {
  width: min(100%, 820px);
  max-width: 820px;
  min-height: 100svh;
  min-height: 100dvh;
  box-sizing: border-box;
  margin: 0 auto;
  padding: clamp(72px, 8vh, 108px) clamp(22px, 6vw, 78px) 128px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background:
    linear-gradient(90deg, rgba(111, 73, 48, 0.06), transparent 16%, transparent 84%, rgba(111, 73, 48, 0.045)),
    var(--gsy-library-gradient-paper);
  box-shadow:
    0 0 0 1px rgba(100, 66, 36, 0.08),
    0 26px 70px rgba(78, 48, 23, 0.16);
  color: #30241b;
  scrollbar-width: thin;
  scrollbar-color: rgba(116, 71, 32, 0.42) rgba(255, 250, 242, 0.5);
  --gsy-reader-text-align: justify;
  --gsy-reader-font-size: 17px;
  --gsy-reader-line-height: 1.9;
}

.gsy-library-tab-page--reader .gsy-reader-content::-webkit-scrollbar {
  width: 8px;
}

.gsy-library-tab-page--reader .gsy-reader-content::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(116, 71, 32, 0.34);
}

.gsy-library-tab-page--reader .gsy-reader-content::-webkit-scrollbar-track {
  background: rgba(255, 250, 242, 0.48);
}

.gsy-library-tab-page--reader .gsy-reader-section {
  width: 100%;
  max-width: 680px;
  min-width: 0;
  box-sizing: border-box;
  margin: 0 auto;
  user-select: text;
  -webkit-user-select: text;
}

.gsy-library-tab-page--reader .gsy-reader-section + .gsy-reader-section {
  margin-top: 3.2em;
  padding-top: 2.2em;
  border-top: 1px solid rgba(100, 66, 36, 0.1);
}

.gsy-reader-section__title,
.gsy-library-tab-page--reader .gsy-reader-section__title {
  margin: 0 0 2em;
  color: #5e3a20;
  font-size: clamp(20px, 4vw, 28px);
  line-height: 1.35;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-align: center;
  user-select: text;
  -webkit-user-select: text;
}

.gsy-library-tab-page--reader .gsy-reader-section__title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin: 16px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(116, 71, 32, 0.62), transparent);
}

.gsy-reader-paragraph,
.gsy-reader-empty,
.gsy-library-tab-page--reader .gsy-reader-paragraph,
.gsy-library-tab-page--reader .gsy-reader-empty {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin: 0;
  color: #33271f;
  font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  font-size: var(--gsy-reader-font-size);
  line-height: var(--gsy-reader-line-height);
  letter-spacing: 0.035em;
  text-align: var(--gsy-reader-text-align);
  white-space: normal;
  text-wrap: pretty;
  overflow-wrap: break-word;
  word-break: break-word;
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
}

.gsy-reader-paragraph + .gsy-reader-paragraph,
.gsy-library-tab-page--reader .gsy-reader-paragraph + .gsy-reader-paragraph {
  margin-top: 1.42em;
}

.gsy-reader-empty {
  color: var(--gsy-library-text-soft);
}

/* Reader overlay */
.gsy-library-tab-page--reader .gsy-reader-overlay-controls {
  position: fixed;
  inset: 0;
  z-index: 24;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(54, 34, 20, 0.2), transparent 28%, transparent 66%, rgba(54, 34, 20, 0.24));
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls.is-visible {
  display: flex;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__top,
.gsy-library-tab-page--reader .gsy-reader-overlay-controls__bottom,
.gsy-library-tab-page--reader .gsy-reader-overlay-controls__left,
.gsy-library-tab-page--reader .gsy-reader-overlay-controls__right {
  pointer-events: auto;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: max(14px, env(safe-area-inset-top, 0px)) 18px 18px;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__right {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(255, 250, 242, 0.28);
  border-radius: 999px;
  background: rgba(59, 38, 23, 0.18);
  backdrop-filter: blur(14px);
}

.gsy-library-tab-page--reader .gsy-reader-round-button,
.gsy-library-tab-page--reader .gsy-reader-outline-toggle {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 250, 242, 0.58);
  border-radius: 999px;
  background: rgba(59, 38, 23, 0.38);
  color: #fffaf2;
  box-shadow: var(--gsy-library-glass-shadow);
  backdrop-filter: blur(14px);
}

.gsy-reader-annotator-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  pointer-events: auto;
}

.gsy-reader-annotator-pill__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  width: max-content;
  max-width: 168px;
  flex-wrap: wrap;
  padding: 8px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 22px;
  background: rgba(255, 250, 242, 0.96);
  box-shadow: var(--gsy-library-glass-shadow);
}

.gsy-reader-annotator-pill__panel::before {
  content: "";
  position: absolute;
  top: -6px;
  right: 14px;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--gsy-library-border);
  border-left: 1px solid var(--gsy-library-border);
  background: rgba(255, 250, 242, 0.96);
  transform: rotate(45deg);
}

.gsy-reader-annotator-pill__panel .gsy-chip {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.gsy-reader-tool-icon,
.gsy-reader-palette-trigger,
.gsy-reader-color-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 999px;
  cursor: pointer;
}

.gsy-reader-tool-icon,
.gsy-reader-palette-trigger {
  width: 30px;
  height: 30px;
  min-width: 30px;
  min-height: 30px;
  border: 1px solid var(--gsy-library-border-soft);
  background: rgba(255, 250, 242, 0.94);
  color: var(--gsy-library-text-soft);
  box-shadow: var(--gsy-library-shadow-soft);
}

.gsy-reader-tool-icon.is-active,
.gsy-reader-palette-trigger.is-active,
.gsy-reader-color-dot.is-active {
  box-shadow: 0 0 0 3px rgba(184, 119, 57, 0.18);
}

.gsy-reader-tool-icon__eraser {
  position: relative;
  width: 14px;
  height: 14px;
  transform: rotate(-18deg);
}

.gsy-reader-tool-icon__eraser::before,
.gsy-reader-tool-icon__eraser::after {
  content: "";
  position: absolute;
  display: block;
  border-radius: 4px;
}

.gsy-reader-tool-icon__eraser::before {
  inset: 1px 2px 4px 1px;
  background: linear-gradient(135deg, #f0b8be 0%, #e79aa3 100%);
  border: 1px solid rgba(122, 62, 70, 0.16);
}

.gsy-reader-tool-icon__eraser::after {
  left: 7px;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(135deg, #f7f7f8 0%, #d9dde1 100%);
  border: 1px solid rgba(17, 20, 24, 0.1);
}

.gsy-reader-palette-trigger {
  position: relative;
  background:
    linear-gradient(135deg, rgba(255, 224, 130, 0.95) 0 33%, rgba(183, 240, 192, 0.95) 33% 66%, rgba(159, 211, 255, 0.95) 66% 100%);
}

.gsy-reader-palette-trigger__swatch {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: var(--gsy-reader-color, #ffe082);
  box-shadow: 0 1px 4px rgba(17, 20, 24, 0.14);
}

.gsy-reader-palette-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  border: 0;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
}

.gsy-reader-color-dot {
  width: 26px;
  height: 26px;
  min-width: 26px;
  min-height: 26px;
  border: 2px solid rgba(100, 66, 36, 0.1);
  background: var(--gsy-reader-color, #ffe082);
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__side-nav {
  position: fixed;
  left: 0;
  right: 0;
  top: 50%;
  z-index: 26;
  pointer-events: none;
  transform: translateY(-50%);
}

.gsy-reader-side-nav-button {
  position: fixed;
  top: 50%;
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 250, 242, 0.38);
  border-radius: 999px;
  background: rgba(59, 38, 23, 0.3);
  color: #fffaf2;
  font-size: 18px;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.22);
  box-shadow: var(--gsy-library-glass-shadow);
  backdrop-filter: blur(12px);
  transform: translateY(-50%);
  cursor: pointer;
}

.gsy-reader-side-nav-button--left {
  left: 12px;
}

.gsy-reader-side-nav-button--right {
  right: 12px;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__bottom {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px 22px;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-controls__bottom-left {
  position: absolute;
  left: 18px;
  bottom: 22px;
  right: auto;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  pointer-events: auto;
  z-index: 27;
}

.gsy-library-tab-page--reader .gsy-reader-chat-pill {
  position: relative;
  margin: 0;
  align-self: flex-start;
}

.gsy-reader-chat-pill__trigger {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 250, 242, 0.46);
  border-radius: 999px;
  background: rgba(59, 38, 23, 0.38);
  color: #fffaf2;
  box-shadow: var(--gsy-library-glass-shadow);
  backdrop-filter: blur(14px);
  font-weight: 760;
  cursor: pointer;
}

.gsy-reader-chat-pill__panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: min(390px, calc(100vw - 24px));
  overflow: hidden;
  border: 1px solid var(--gsy-library-border);
  border-radius: 26px;
  background: rgba(255, 250, 242, 0.96);
  box-shadow: 0 22px 56px rgba(54, 34, 20, 0.2);
}

.gsy-reader-chat-pill__head {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--gsy-library-border-soft);
}

.gsy-reader-chat-pill__name {
  margin: 0;
  color: var(--gsy-library-text);
  font-size: 15px;
  font-weight: 780;
}

.gsy-reader-chat-pill__messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  padding: 12px;
  overflow: auto;
}

.gsy-reader-chat-pill__empty {
  margin: 0;
  color: var(--gsy-library-text-soft);
  font-size: 13px;
  line-height: 1.7;
}

.gsy-reader-chat-message {
  display: flex;
}

.gsy-reader-chat-message.is-user {
  justify-content: flex-end;
}

.gsy-reader-chat-message__bubble {
  max-width: 82%;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(242, 220, 192, 0.9);
  color: var(--gsy-library-text);
  font-size: 13px;
  line-height: 1.6;
}

.gsy-reader-chat-message.is-assistant .gsy-reader-chat-message__bubble {
  background: rgba(255, 252, 247, 0.96);
}

.gsy-reader-chat-pill__composer {
  padding: 12px;
  border-top: 1px solid var(--gsy-library-border-soft);
}

.gsy-reader-chat-pill__composer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.gsy-reader-chat-pill__input {
  min-height: 72px;
}

.gsy-reader-chat-pill__send {
  min-height: 44px;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-outline {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: 92px;
  z-index: 26;
  display: none;
  width: min(560px, calc(100vw - 28px));
  max-height: 280px;
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--gsy-library-border);
  border-radius: 26px;
  background: rgba(255, 250, 242, 0.96);
  box-shadow: 0 22px 56px rgba(54, 34, 20, 0.18);
  transform: translateX(-50%);
  backdrop-filter: blur(18px);
}

.gsy-library-tab-page--reader .gsy-reader-overlay-outline.is-visible {
  display: block;
}

.gsy-library-tab-page--reader .gsy-reader-overlay-outline__title {
  margin: 0 0 8px;
  color: var(--gsy-library-text);
  font-size: 14px;
  line-height: 1.4;
  font-weight: 780;
}

/* Reader settings */
.gsy-reader-settings-screen {
  position: fixed;
  inset: 0;
  z-index: 28;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 18px;
  background: rgba(43, 29, 19, 0.28);
  backdrop-filter: blur(8px);
  pointer-events: auto;
}

.gsy-reader-settings-screen__panel {
  width: min(100%, 760px);
  max-height: min(calc(100dvh - 36px), 900px);
  overflow: hidden;
  border: 1px solid var(--gsy-library-border);
  border-radius: 28px;
  background: rgba(255, 250, 242, 0.98);
  box-shadow: 0 28px 70px rgba(54, 34, 20, 0.22);
}

.gsy-reader-settings-screen__head {
  align-items: center;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--gsy-library-border-soft);
  background: linear-gradient(180deg, rgba(255, 250, 242, 0.98), rgba(248, 235, 216, 0.92));
}

.gsy-reader-settings-screen__body {
  max-height: min(calc(100dvh - 120px), 820px);
  overflow: auto;
  padding: 0 18px 18px;
  -webkit-overflow-scrolling: touch;
}

.gsy-reader-token-card {
  margin-top: 18px;
  padding: 16px;
}

.gsy-reader-token-card__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  margin-top: 12px;
  color: var(--gsy-library-text-soft);
  font-size: 13px;
  line-height: 1.6;
}

.gsy-reader-token-card__grid strong {
  color: var(--gsy-library-text);
}

/* Reader annotations */
.gsy-reader-annotation {
  border-radius: 0.28em;
  cursor: pointer;
  transition:
    filter 160ms ease,
    box-shadow 160ms ease;
  user-select: text;
  -webkit-user-select: text;
}

.gsy-reader-annotation:hover {
  filter: brightness(0.98);
}

.gsy-reader-annotation--highlight {
  background: color-mix(in srgb, var(--gsy-reader-annotation-color) 72%, white 28%);
  box-shadow: inset 0 -0.08em 0 color-mix(in srgb, var(--gsy-reader-annotation-color) 84%, transparent 16%);
}

.gsy-reader-annotation--underline {
  background: transparent;
  text-decoration-line: underline;
  text-decoration-thickness: 0.18em;
  text-decoration-color: var(--gsy-reader-annotation-color);
  text-underline-offset: 0.16em;
}

.gsy-reader-annotation-summary {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--gsy-library-border-soft);
}

.gsy-reader-annotation-summary__title {
  margin: 0 0 10px;
  color: var(--gsy-library-text);
  font-size: 15px;
  line-height: 1.4;
  font-weight: 780;
}

.gsy-reader-annotation-summary__item + .gsy-reader-annotation-summary__item {
  margin-top: 10px;
}

.gsy-reader-annotation-summary__book,
.gsy-reader-annotation-summary__quote,
.gsy-reader-annotation-summary__comment {
  margin: 0;
}

.gsy-reader-annotation-summary__book {
  color: var(--gsy-library-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.gsy-reader-annotation-summary__quote {
  margin-top: 6px;
  font-weight: 760;
}

/* Hide legacy reader pieces if old template fragments appear */
.gsy-library-tab-page--reader .gsy-reader-minimal-topbar,
.gsy-library-tab-page--reader .gsy-detail-panel__summary,
.gsy-library-tab-page--reader .gsy-detail-panel__tags,
.gsy-library-tab-page--reader .gsy-reader-hero__meta,
.gsy-library-tab-page--reader .gsy-detail-panel__title,
.gsy-library-tab-page--reader .gsy-detail-panel__author,
.gsy-library-tab-page--reader .gsy-reader-surface__head,
.gsy-library-tab-page--reader .gsy-reader-surface__meta,
.gsy-library-tab-page--reader .gsy-reader-outline-card {
  display: none;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .gsy-library-home-hero,
  .gsy-library-home-hero--reader,
  .gsy-stats-grid,
  .gsy-settings-grid {
    grid-template-columns: 1fr;
  }

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

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

  .gsy-home-book-spotlight {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .gsy-reader-content {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .gsy-zone-shell--library {
    gap: 0;
    padding: 0 0 76px;
  }

  .gsy-mobile-topbar {
    padding: 12px 14px 8px;
  }

  .gsy-library-mobile-content {
    padding: 0 14px 12px;
  }

  .gsy-library-home-hero__title {
    font-size: 28px;
  }

  .gsy-metric-grid,
  .gsy-goal-grid,
  .gsy-metric-grid--compact,
  .gsy-settings-grid-inner,
  .gsy-reader-settings-grid,
  .gsy-reader-token-card__grid,
  .gsy-library-books--list,
  .gsy-rag-overview {
    grid-template-columns: 1fr;
  }

  .gsy-library-books--grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .gsy-book-card--grid .gsy-book-card__action,
  .gsy-book-card--list .gsy-book-card__action {
    min-height: 206px;
  }

  .gsy-book-card__cover {
    min-height: 120px;
    border-radius: 16px;
  }

  .gsy-control-bar {
    flex-wrap: wrap;
  }

  .gsy-search-field {
    width: 100%;
    flex-basis: 100%;
  }

  .gsy-control-bar__actions,
  .gsy-select-field {
    width: 100%;
  }

  .gsy-select-field {
    flex: 1;
    min-width: 0;
  }

  .gsy-reading-room-switcher {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

  .gsy-reading-room-switcher .gsy-chip {
    min-height: 40px;
    padding: 0 8px;
    font-size: 12px;
  }

  .gsy-session-record {
    grid-template-columns: 1fr;
  }

  .gsy-overlay-layer {
    align-items: stretch;
    padding: 10px;
  }

  .gsy-overlay-panel {
    width: 100%;
    max-height: none;
    border-radius: 24px;
  }

  .gsy-library-tabbar {
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 22px 22px 0 0;
    transform: none;
  }

  .gsy-home-book-spotlight,
  .gsy-detail-panel,
  .gsy-surface-card,
  .gsy-book-card__action {
    border-radius: 22px;
  }

  .gsy-library-tab-page--reader,
  .gsy-library-tab-page--reader .gsy-reader-layout,
  .gsy-library-tab-page--reader .gsy-detail-panel--reading,
  .gsy-library-tab-page--reader .gsy-reader-surface,
  .gsy-library-tab-page--reader .gsy-reader-surface--scroll {
    min-height: 100svh;
    min-height: 100dvh;
  }

  .gsy-library-tab-page--reader .gsy-reader-content {
    width: min(100%, 820px);
    max-width: 820px;
    min-height: 100svh;
    min-height: 100dvh;
    padding: 74px clamp(20px, 6vw, 34px) 116px;
    background:
      linear-gradient(90deg, rgba(111, 73, 48, 0.045), transparent 12%, transparent 88%, rgba(111, 73, 48, 0.035)),
      var(--gsy-library-gradient-paper);
    box-shadow:
      0 0 0 1px rgba(100, 66, 36, 0.08),
      0 18px 46px rgba(78, 48, 23, 0.12);
  }

  .gsy-library-tab-page--reader .gsy-reader-section {
    max-width: 100%;
  }

  .gsy-library-tab-page--reader .gsy-reader-overlay-controls__top {
    padding: max(12px, env(safe-area-inset-top, 0px)) 12px 12px;
  }

  .gsy-library-tab-page--reader .gsy-reader-overlay-controls__right {
    gap: 6px;
    padding: 5px;
  }

  .gsy-library-tab-page--reader .gsy-reader-round-button {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
  }

  .gsy-reader-side-nav-button {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .gsy-reader-side-nav-button--left {
    left: 8px;
  }

  .gsy-reader-side-nav-button--right {
    right: 8px;
  }

  .gsy-library-tab-page--reader .gsy-reader-overlay-controls__bottom {
    padding: 12px 12px 18px;
  }

  .gsy-library-tab-page--reader .gsy-reader-overlay-controls__bottom-left {
    left: 12px;
    bottom: 18px;
  }

  .gsy-library-tab-page--reader .gsy-reader-overlay-outline {
    left: 12px;
    right: 12px;
    bottom: 74px;
    width: auto;
    max-height: 200px;
    border-radius: 24px;
    transform: none;
  }

  .gsy-reader-chat-pill__panel {
    width: calc(100vw - 24px);
    max-height: min(62vh, 520px);
  }

  .gsy-reader-chat-pill__messages {
    max-height: 220px;
  }

  .gsy-reader-chat-pill__composer-row {
    grid-template-columns: 1fr;
  }

  .gsy-reader-settings-screen {
    padding: 10px;
  }

  .gsy-reader-settings-screen__panel {
    width: 100%;
    max-height: calc(100dvh - 20px);
    border-radius: 24px;
  }

  .gsy-reader-settings-screen__head {
    padding: 16px 16px 12px;
  }

  .gsy-reader-settings-screen__body {
    max-height: calc(100dvh - 104px);
    padding: 0 16px 16px;
  }

  .gsy-reader-annotator-pill__panel {
    max-width: 148px;
    gap: 6px;
    padding: 6px;
  }

  .gsy-reader-tool-icon,
  .gsy-reader-palette-trigger {
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
  }

  .gsy-reader-tool-icon__eraser {
    width: 13px;
    height: 13px;
  }

  .gsy-reader-color-dot {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
  }
}

@media (max-width: 380px) {
  .gsy-library-books--grid {
    gap: 8px;
  }

  .gsy-book-card__action {
    padding: 8px;
  }

  .gsy-book-card__cover-title {
    font-size: 15px;
  }

  .gsy-library-tabbar__label {
    font-size: 10px;
  }

  .gsy-library-tab-page--reader .gsy-reader-content {
    padding-right: 18px;
    padding-left: 18px;
  }
}