/* ===================================================================
   STELLAR READER - REVOLUTIONARY LIGHT NOVEL & WEB NOVEL CSS
   Inspired by novels-reader.pages.dev
   PCDock, Vortex Dynamic Island, Smart Chapter TOC Drawer,
   Fresh 3-Tab Settings Modal, Natural Dialogue Typography, and
   Dynamic Novel Accent Palette Theming.
   =================================================================== */

/* Reader Page Base */
.reader-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color 200ms ease, color 200ms ease;
  overflow-x: hidden;
  background-color: var(--reader-bg) !important;
  color: var(--reader-text) !important;
}

/* ===================================================================
   CORE THEMES & NOVEL ACCENT VARIABLES
   =================================================================== */
:root {
  --reader-novel-accent: #ef4444;
  --reader-novel-accent-secondary: #f97316;
  --reader-novel-accent-glow: rgba(239, 68, 68, 0.35);
}

.reader-page.theme-dark {
  --reader-bg: #14151b;
  --reader-text: #f1f5f9;
  --reader-subtext: #94a3b8;
  --reader-border: rgba(255, 255, 255, 0.08);
  --reader-bar-bg: rgba(20, 21, 27, 0.94);
  --reader-card-bg: rgba(255, 255, 255, 0.04);
}

.reader-page.theme-oled {
  --reader-bg: #000000;
  --reader-text: #ffffff;
  --reader-subtext: #a1a1aa;
  --reader-border: rgba(255, 255, 255, 0.12);
  --reader-bar-bg: rgba(0, 0, 0, 0.96);
  --reader-card-bg: rgba(255, 255, 255, 0.05);
}

.reader-page.theme-tokyo {
  --reader-bg: #0d1117;
  --reader-text: #c9d1d9;
  --reader-subtext: #8b949e;
  --reader-border: rgba(240, 246, 252, 0.1);
  --reader-bar-bg: rgba(13, 17, 23, 0.94);
  --reader-card-bg: rgba(240, 246, 252, 0.04);
}

.reader-page.theme-sepia {
  --reader-bg: #f4ecd8;
  --reader-text: #433422;
  --reader-subtext: #7c6853;
  --reader-border: rgba(67, 52, 34, 0.14);
  --reader-bar-bg: rgba(244, 236, 216, 0.96);
  --reader-card-bg: rgba(67, 52, 34, 0.05);
}

.reader-page.theme-midnight {
  --reader-bg: #0f172a;
  --reader-text: #cbd5e1;
  --reader-subtext: #64748b;
  --reader-border: rgba(255, 255, 255, 0.08);
  --reader-bar-bg: rgba(15, 23, 42, 0.94);
  --reader-card-bg: rgba(255, 255, 255, 0.04);
}

.reader-page.theme-forest {
  --reader-bg: #1a2321;
  --reader-text: #ecfdf5;
  --reader-subtext: #a7f3d0;
  --reader-border: rgba(167, 243, 208, 0.12);
  --reader-bar-bg: rgba(26, 35, 33, 0.94);
  --reader-card-bg: rgba(167, 243, 208, 0.04);
}

.reader-page.theme-espresso {
  --reader-bg: #2b2523;
  --reader-text: #f5ebe6;
  --reader-subtext: #d6c7c0;
  --reader-border: rgba(245, 235, 230, 0.1);
  --reader-bar-bg: rgba(43, 37, 35, 0.95);
  --reader-card-bg: rgba(245, 235, 230, 0.05);
}

.reader-page.theme-light {
  --reader-bg: #ffffff;
  --reader-text: #1e293b;
  --reader-subtext: #64748b;
  --reader-border: rgba(0, 0, 0, 0.08);
  --reader-bar-bg: rgba(255, 255, 255, 0.96);
  --reader-card-bg: rgba(0, 0, 0, 0.03);
}

.reader-page.theme-gray {
  --reader-bg: #212124;
  --reader-text: #f4f4f5;
  --reader-subtext: #a1a1aa;
  --reader-border: rgba(255, 255, 255, 0.09);
  --reader-bar-bg: rgba(33, 33, 36, 0.95);
  --reader-card-bg: rgba(255, 255, 255, 0.04);
}

/* ===================================================================
   TOP HAIRLINE PROGRESS & AUTO-HIDING TOP BAR
   =================================================================== */
.reader-top-progress-line {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  z-index: 100;
  transition: width 120ms ease;
  box-shadow: 0 0 10px var(--reader-novel-accent);
}

.reader-top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--reader-bar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--reader-border);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1), opacity 260ms ease;
}

.reader-top-bar.hud-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.reader-top-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.reader-back-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--reader-subtext);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--reader-border);
  background: var(--reader-card-bg);
  transition: all 0.2s ease;
  text-decoration: none;
}

.reader-back-btn:hover {
  color: var(--reader-text);
  border-color: var(--reader-novel-accent);
  background: rgba(255, 255, 255, 0.08);
}

.reader-crumb-info {
  display: flex;
  flex-direction: column;
}

.reader-crumb-series {
  font-size: 0.72rem;
  color: var(--reader-subtext);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.reader-crumb-chapter {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--reader-text);
}

.reader-top-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.reader-btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.reader-btn-action:hover {
  border-color: var(--reader-novel-accent);
  color: #fff;
  transform: scale(1.05);
}

/* ===================================================================
   RIGHT DYNAMIC ISLAND DOCK (PCDock)
   =================================================================== */
.reader-right-dock {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 55;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  user-select: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.dock-progress-pill {
  font-family: 'JetBrains Mono', monospace, -apple-system;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--reader-subtext);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
  text-align: center;
}

.dock-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 15, 22, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.reader-page.theme-light .dock-btn {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: #1e293b;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.reader-page.theme-sepia .dock-btn {
  background: rgba(244, 236, 216, 0.92);
  border: 1px solid rgba(67, 52, 34, 0.2);
  color: #433422;
}

.dock-btn:hover {
  transform: scale(1.1);
  color: #fff;
  border-color: var(--reader-novel-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.75), 0 0 16px var(--reader-novel-accent-glow);
}

.dock-btn:active {
  transform: scale(0.95);
}

.dock-btn.active {
  background: var(--reader-novel-accent) !important;
  border-color: var(--reader-novel-accent) !important;
  color: #ffffff !important;
  box-shadow: 0 0 20px var(--reader-novel-accent-glow);
}

.dock-btn.is-scrolling {
  background: #10b981 !important;
  border-color: #34d399 !important;
  color: #ffffff !important;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5) !important;
  animation: pulse-glow 1.8s infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); box-shadow: 0 0 15px rgba(16, 185, 129, 0.4); }
  50% { transform: scale(1.06); box-shadow: 0 0 25px rgba(16, 185, 129, 0.7); }
}

/* ===================================================================
   VORTEX DYNAMIC ISLAND (Mobile Variant)
   =================================================================== */
body[data-reader-layout="vortex"] .reader-right-dock {
  top: auto;
  bottom: 1.5rem;
  right: 50%;
  transform: translateX(50%);
  flex-direction: row;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(14, 15, 22, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--reader-novel-accent-glow);
}

body[data-reader-layout="vortex"] .dock-progress-pill {
  margin-bottom: 0;
  margin-right: 0.35rem;
  padding: 0 0.4rem;
}

body[data-reader-layout="vortex"] .dock-btn {
  width: 38px;
  height: 38px;
  background: transparent;
  box-shadow: none;
  border: none;
}

/* ===================================================================
   LEFT SLIDE-IN READER MENU (TOC CHAPTERS DRAWER)
   =================================================================== */
.reader-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 68;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

.reader-drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.reader-menu-drawer {
  position: fixed;
  top: 1rem;
  left: 1rem;
  bottom: 1rem;
  width: calc(100vw - 2rem);
  max-width: 380px;
  background: rgba(12, 13, 18, 0.96);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85);
  z-index: 70;
  display: flex;
  flex-direction: column;
  transform: translateX(calc(-100% - 2rem));
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1), opacity 320ms ease;
  user-select: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  overflow: hidden;
}

.reader-page.theme-light .reader-menu-drawer {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #1e293b;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.reader-page.theme-sepia .reader-menu-drawer {
  background: rgba(244, 236, 216, 0.98);
  border: 1px solid rgba(67, 52, 34, 0.2);
  color: #433422;
}

.reader-menu-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.25rem 0.85rem 1.25rem;
  border-bottom: 1px solid var(--reader-border);
}

.drawer-header-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--reader-text);
  text-transform: uppercase;
}

.drawer-header-title svg {
  color: var(--reader-novel-accent);
}

.drawer-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-subtext);
  cursor: pointer;
  transition: all 0.2s ease;
}

.drawer-close-btn:hover {
  color: var(--reader-text);
  border-color: var(--reader-novel-accent);
}

.drawer-search-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--reader-border);
}

.drawer-search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.drawer-search-input-wrap svg {
  position: absolute;
  left: 0.85rem;
  color: var(--reader-subtext);
  pointer-events: none;
}

.drawer-search-input-wrap input {
  width: 100%;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  border-radius: var(--radius-full);
  padding: 0.5rem 2.2rem 0.5rem 2.2rem;
  font-size: 0.82rem;
  color: var(--reader-text);
  outline: none;
  transition: all 0.2s ease;
}

.drawer-search-input-wrap input:focus {
  border-color: var(--reader-novel-accent);
  box-shadow: 0 0 12px var(--reader-novel-accent-glow);
}

.drawer-search-kbd {
  position: absolute;
  right: 0.75rem;
  font-size: 0.65rem;
  font-family: monospace;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--reader-subtext);
  pointer-events: none;
}

.drawer-sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.drawer-sort-btn:hover {
  border-color: var(--reader-novel-accent);
}

.drawer-chapters-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.drawer-volume-divider {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--reader-subtext);
  padding: 0.75rem 0.5rem 0.35rem 0.5rem;
  opacity: 0.8;
}

.drawer-chapter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--reader-text);
  text-decoration: none;
  transition: all 0.18s ease;
}

.drawer-chapter-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--reader-border);
}

.drawer-chapter-item.is-active {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--reader-novel-accent);
  box-shadow: 0 0 15px var(--reader-novel-accent-glow);
}

.drawer-chapter-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.drawer-chapter-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--reader-subtext);
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.drawer-chapter-item.is-active .drawer-chapter-dot {
  background: var(--reader-novel-accent);
  box-shadow: 0 0 8px var(--reader-novel-accent);
}

.drawer-chapter-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.drawer-chapter-num {
  font-size: 0.72rem;
  color: var(--reader-subtext);
  font-weight: 700;
}

.drawer-chapter-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--reader-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drawer-chapter-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.drawer-reading-pill {
  font-size: 0.68rem;
  font-weight: 800;
  color: #fff;
  background: var(--reader-novel-accent);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

.drawer-check-badge {
  font-size: 0.75rem;
  color: #10b981;
  font-weight: 800;
}

.drawer-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--reader-subtext);
  font-size: 0.85rem;
  gap: 0.5rem;
  text-align: center;
}

/* ===================================================================
   READER SETTINGS MODAL / SLIDE-OUT PANEL
   =================================================================== */
.reader-settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 78;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

.reader-settings-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.reader-settings-panel {
  position: fixed;
  top: 1rem;
  right: 1rem;
  bottom: 1rem;
  width: calc(100vw - 2rem);
  max-width: 420px;
  background: rgba(13, 14, 19, 0.96);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.85);
  z-index: 80;
  display: flex;
  flex-direction: column;
  transform: translateX(calc(100% + 2rem));
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1), opacity 320ms ease;
  user-select: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  overflow: hidden;
}

.reader-page.theme-light .reader-settings-panel {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #1e293b;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
}

.reader-page.theme-sepia .reader-settings-panel {
  background: rgba(244, 236, 216, 0.98);
  border: 1px solid rgba(67, 52, 34, 0.2);
  color: #433422;
}

.reader-settings-panel.active {
  transform: translateX(0);
}

/* Mobile Bottom Sheet Transform */
@media (max-width: 767px) {
  .reader-settings-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: none;
    max-height: 85vh;
    border-radius: 28px 28px 0 0;
    transform: translateY(100%);
  }

  .reader-settings-panel.active {
    transform: translateY(0);
  }

  .sheet-grab-handle {
    width: 44px;
    height: 4px;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0.65rem auto 0 auto;
    flex-shrink: 0;
  }
}

.settings-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem 0.85rem 1.5rem;
  border-bottom: 1px solid var(--reader-border);
}

.settings-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--reader-text);
  margin: 0;
}

.settings-subtitle {
  font-size: 0.74rem;
  color: var(--reader-subtext);
  margin-top: 0.2rem;
}

.settings-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-subtext);
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-close-btn:hover {
  color: var(--reader-text);
  border-color: var(--reader-novel-accent);
}

.settings-segmented-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  background: var(--reader-card-bg);
  border-bottom: 1px solid var(--reader-border);
}

.settings-tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--reader-subtext);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-tab-btn:hover {
  color: var(--reader-text);
}

.settings-tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.reader-page.theme-light .settings-tab-btn.active {
  background: #ffffff;
  color: #1e293b;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.settings-tab-content-area {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.settings-section-label {
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--reader-subtext);
}

.settings-text-action {
  background: none;
  border: none;
  color: var(--reader-novel-accent);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
}

/* Theme Grid */
.studio-theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.studio-theme-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.5rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.studio-theme-card:hover {
  transform: translateY(-2px);
  border-color: var(--reader-novel-accent);
}

.studio-theme-card.active {
  border-color: var(--reader-novel-accent);
  box-shadow: 0 0 15px var(--reader-novel-accent-glow);
}

.studio-theme-preview {
  width: 100%;
  height: 38px;
  border-radius: 8px;
  background: var(--card-bg, #14151b);
  color: var(--card-text, #fff);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-family: serif;
  font-size: 0.9rem;
  font-weight: bold;
}

.studio-theme-check {
  display: none;
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 0.65rem;
  color: var(--reader-novel-accent);
}

.studio-theme-card.active .studio-theme-check {
  display: block;
}

.studio-theme-name {
  font-size: 0.72rem;
  font-weight: 700;
}

/* Accent Showcase */
.settings-accent-showcase {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
}

.accent-badge-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
}

.accent-series-name {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--reader-text);
}

.accent-palette-sub {
  font-size: 0.72rem;
  color: var(--reader-subtext);
}

/* Font Chips */
.studio-font-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.studio-font-chip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: 12px;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.studio-font-chip:hover {
  border-color: var(--reader-novel-accent);
}

.studio-font-chip.active {
  border-color: var(--reader-novel-accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 12px var(--reader-novel-accent-glow);
}

.studio-font-preview {
  font-size: 1.1rem;
  font-weight: bold;
}

.studio-font-name {
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Controls */
.studio-control-card {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
}

.studio-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.studio-control-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--reader-text);
}

.studio-val-badge {
  font-size: 0.75rem;
  font-family: monospace;
  font-weight: 800;
  color: var(--reader-novel-accent);
}

.studio-stepper-slider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.studio-stepper-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  font-weight: 800;
  cursor: pointer;
  transition: all 0.18s ease;
}

.studio-stepper-btn:hover {
  border-color: var(--reader-novel-accent);
}

.studio-slider {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 99px;
  appearance: none;
  cursor: pointer;
}

.studio-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--reader-novel-accent);
  box-shadow: 0 0 10px var(--reader-novel-accent);
}

.studio-toggles-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
}

.studio-toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.95rem;
  border-radius: 12px;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  cursor: pointer;
  transition: all 0.2s ease;
}

.studio-toggle-item:hover {
  border-color: var(--reader-novel-accent);
}

.studio-toggle-item.active {
  border-color: var(--reader-novel-accent);
}

.studio-toggle-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--reader-text);
}

.studio-switch {
  width: 38px;
  height: 20px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  transition: background 0.2s ease;
}

.studio-switch.checked {
  background: var(--reader-novel-accent);
}

.studio-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.2s ease;
}

.studio-switch.checked .studio-switch-thumb {
  transform: translateX(18px);
}

/* Layout Mode Cards */
.layout-mode-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.layout-mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.85rem 0.5rem;
  border-radius: 14px;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.layout-mode-card:hover {
  border-color: var(--reader-novel-accent);
}

.layout-mode-card.active {
  border-color: var(--reader-novel-accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 15px var(--reader-novel-accent-glow);
}

.layout-card-title {
  font-size: 0.82rem;
  font-weight: 800;
  margin-top: 0.45rem;
}

.layout-card-sub {
  font-size: 0.65rem;
  color: var(--reader-subtext);
  margin-top: 0.15rem;
}

.studio-presets-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.studio-preset-btn {
  padding: 0.45rem 0.35rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.studio-preset-btn:hover {
  border-color: var(--reader-novel-accent);
}

/* ===================================================================
   NATURAL NOVEL TYPOGRAPHY (Fixing Dialogue & Spacing)
   =================================================================== */
.reader-main-container {
  width: 100%;
  max-width: var(--reader-max-width, 780px);
  margin: 0 auto;
  padding: 5.5rem 1.5rem 6.5rem 1.5rem;
  position: relative;
  transition: max-width 0.25s ease;
}

.chapter-header {
  text-align: center;
  margin-bottom: 3.25rem;
  padding-bottom: 1.85rem;
  border-bottom: 1px solid var(--reader-border);
}

.chapter-header-volume {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--reader-novel-accent);
  margin-bottom: 0.5rem;
}

.chapter-header-title {
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--reader-text);
  margin: 0;
}

.reader-content-body {
  font-size: var(--reader-font-size, 18px);
  line-height: var(--reader-line-height, 1.85);
  color: var(--reader-text);
}

.reader-content-body.text-justify {
  text-align: justify;
}

.reader-content-body.indent-paragraphs p.reader-paragraph:not(.dialogue-p) {
  text-indent: 1.8em;
}

.reader-paragraph {
  margin-bottom: 1.45em;
  word-break: break-word;
}

/* Natural Dialogue (Seamless Flow, No Jarring Boxes) */
.reader-paragraph.dialogue-p {
  color: inherit;
  font-style: normal;
  margin-bottom: 1.35em;
}

/* Elegant Scene Break Dividers */
.reader-scene-break {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2.5rem 0;
  color: var(--reader-subtext);
  opacity: 0.6;
  user-select: none;
}

.scene-break-glyph {
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--reader-novel-accent);
}

.reader-quote-item {
  position: relative;
  font-style: italic;
  padding: 1rem 1.75rem;
  margin: 2rem 0;
  border-left: 3px solid var(--reader-novel-accent);
  background: var(--reader-card-bg);
  border-radius: 0 14px 14px 0;
  color: var(--reader-text);
}

.reader-illustration-item {
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}

.reader-illustration-img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--reader-border);
  cursor: zoom-in;
  transition: transform 0.25s ease;
}

.reader-illustration-img:hover {
  transform: scale(1.015);
}

.reader-illustration-caption {
  font-size: 0.78rem;
  color: var(--reader-subtext);
  font-style: italic;
  text-align: center;
}

/* Chapter Bottom Navigation */
.chapter-footer-nav {
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--reader-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.chapter-footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.88rem;
  background: var(--reader-card-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  text-decoration: none;
  transition: all 0.2s ease;
}

.chapter-footer-btn:hover {
  border-color: var(--reader-novel-accent);
  color: #fff;
  transform: translateY(-2px);
}

.chapter-footer-btn.primary-next {
  background: var(--reader-novel-accent);
  border-color: var(--reader-novel-accent);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--reader-novel-accent-glow);
}

.chapter-footer-btn.primary-next:hover {
  box-shadow: 0 6px 25px var(--reader-novel-accent-glow);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
}

.animate-fadeIn {
  animation: fadeIn 0.2s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================================================================
   FLOATING BOTTOM NAVIGATION PILL BAR (NOVELS-READER HUD)
   =================================================================== */
.reader-floating-bottom-nav {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.65rem;
  background: rgba(14, 15, 22, 0.88);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9999px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.75), 0 0 20px var(--reader-novel-accent-glow);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 260ms ease;
  will-change: transform, opacity;
  user-select: none;
}

.reader-floating-bottom-nav.hud-hidden {
  transform: translate3d(-50%, 80px, 0);
  opacity: 0;
  pointer-events: none;
}

.reader-float-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #e2e8f0;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.reader-float-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.reader-float-btn.primary-next {
  background: var(--reader-novel-accent);
  color: #ffffff;
  border-color: var(--reader-novel-accent);
  box-shadow: 0 0 15px var(--reader-novel-accent-glow);
}

.reader-float-btn.primary-next:hover {
  filter: brightness(1.15);
  transform: translateY(-1px) scale(1.02);
}

/* 60fps GPU acceleration & smooth reading canvas */
.reader-content-body {
  transform: translateZ(0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}