.storybook-controls {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem 1.5rem;
}
.storybook-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.storybook-tools .tool-note {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.6;
}
.storybook-tools .tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.storybook-tools button {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.18s ease;
}
.storybook-tools button:hover,
.storybook-tools button:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.28);
  outline: none;
}
#reading-mode-btn[aria-pressed="true"] {
  border-color: rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.1);
  color: #fde68a;
}
.bookmark-count {
  min-width: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.75rem;
}
.bookmark-overlay {
  position: fixed;
  inset: 0;
  z-index: 160;
  background: rgba(0, 0, 0, 0.72);
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
}
.bookmark-overlay.active {
  display: flex;
}
@media (min-width: 768px) {
  .bookmark-overlay {
    align-items: center;
    padding: 1.25rem;
  }
}
.bookmark-panel-card {
  width: min(46rem, calc(100vw - 2rem));
  max-height: min(78vh, 44rem);
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.bookmark-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 1.5rem;
}
.bookmark-panel-header .title {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
}
.bookmark-panel-header .subtitle {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.5;
}
.bookmark-panel-header .title {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
}
.bookmark-panel-header .subtitle {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.5;
}
.bookmark-close {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.18s ease;
}
.bookmark-close:hover {
  background: rgba(255, 255, 255, 0.12);
}
.bookmark-list {
  max-height: calc(78vh - 10rem);
  overflow: auto;
  padding: 1rem 1.5rem 0;
}
.bookmark-list .empty-state {
  color: rgba(255, 255, 255, 0.6);
  padding: 4rem 0;
  text-align: center;
}
.bookmark-item {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1rem;
}
.bookmark-item + .bookmark-item {
  margin-top: 0.75rem;
}
.bookmark-item-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(250, 204, 21, 0.25);
  background: rgba(250, 204, 21, 0.08);
  color: #fcd34d;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.bookmark-item-title {
  color: #fff;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.bookmark-item-snippet {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 0.85rem;
}
.bookmark-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.bookmark-actions button {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  padding: 0.55rem 0.85rem;
  border-radius: 0.85rem;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.18s ease;
}
.bookmark-actions button:hover {
  background: rgba(255, 255, 255, 0.12);
}
.storybook-content h2,
.storybook-content h3 {
  position: relative;
  color: #facc15;
  margin-top: 3rem;
  margin-bottom: 1rem;
}
.chapter-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.chapter-heading .heading-text {
  min-width: 0;
  flex: 1;
}
.chapter-heading .bookmark-toggle {
  opacity: 0;
  transform: translateX(0.15rem);
}
.chapter-heading:hover .bookmark-toggle,
.chapter-heading:focus-within .bookmark-toggle {
  opacity: 1;
  transform: translateX(0);
}
.bookmark-toggle {
  width: 1.6rem;
  height: 1.6rem;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.24);
  background: rgba(15, 23, 42, 0.82);
  color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 26px -18px rgba(0, 0, 0, 0.75);
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.bookmark-toggle i {
  font-size: 0.85rem;
}
.bookmark-toggle:hover,
.bookmark-toggle:focus-visible,
.bookmark-toggle.is-saved {
  border-color: rgba(251, 191, 36, 0.7);
  background: rgba(251, 191, 36, 0.16);
  color: #fcd34d;
  transform: translateY(-1px);
}
.storybook-content .bookmarkable-paragraph {
  position: relative;
  scroll-margin-top: 6.25rem;
}
.storybook-content .bookmarkable-paragraph.is-bookmarked {
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.12), rgba(251, 191, 36, 0.025));
  box-shadow: -3px 0 0 rgba(251, 191, 36, 0.65);
}
.para-bookmark {
  position: absolute;
  top: 0.12rem;
  right: -2.4rem;
  opacity: 0;
  transform: translateX(0.35rem);
}
.storybook-content .bookmarkable-paragraph:hover .para-bookmark,
.storybook-content .bookmarkable-paragraph:focus-within .para-bookmark {
  opacity: 1;
  transform: translateX(0);
}
.reading-mode .storybook-content {
  max-width: 76ch;
  margin-left: auto;
  margin-right: auto;
  padding-top: 3rem;
}
.reading-mode .storybook-content h2,
.reading-mode .storybook-content h3 {
  font-size: 1.45rem;
  line-height: 1.35;
  margin-bottom: 1rem;
}
.reading-mode .storybook-content p {
  font-size: 1.08rem;
  line-height: 1.95;
  color: rgba(238, 242, 255, 0.9);
  margin-bottom: 1.05rem;
}
.reading-progress-shell {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 150;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.reading-mode .reading-progress-shell {
  opacity: 1;
}
.reading-progress-shell.visible {
  opacity: 1;
}
.reading-progress-shell #reading-progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #facc15, #22d3ee);
  box-shadow: 0 0 14px rgba(250, 204, 21, 0.45);
  transition: width 0.08s linear;
}
.dash-top-button {
  position: fixed;
  right: 1.5rem;
  bottom: 5.5rem;
  z-index: 160;
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.5rem);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  font-size: 1rem;
}
.dash-top-button.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.dash-top-button:hover,
.dash-top-button:focus-visible {
  background: rgba(251, 191, 36, 0.16);
  border-color: rgba(251, 191, 36, 0.65);
  outline: none;
  transform: translateY(-1px);
}
@media (max-width: 768px) {
  .storybook-tools {
    flex-direction: column;
    align-items: flex-start;
  }
  .storybook-tools .tool-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .bookmark-overlay {
    align-items: flex-end;
    padding: 0.75rem;
  }
  .bookmark-panel-card {
    width: 100%;
    max-height: 96vh;
    border-radius: 1.25rem;
  }
  .para-bookmark {
    right: -2.2rem;
  }
  .dash-top-button {
    right: 1rem;
    bottom: 4.5rem;
    width: 2.75rem;
    height: 2.75rem;
  }
}