/* ==========================================================================
   AuraForge Clean Claymorphism Design System — Pass 2
   Dual-Theme (Dark & Light) Tactile Desktop Creative Workstation
   4-Level Surface Hierarchy, Viewport-Aware Layout & Zero Wasted Space
   ========================================================================== */

/* --------------------------------------------------------------------------
   Surface Hierarchy & Tokens
   Level 1: App Canvas (Background)
   Level 2: Raised Workspace Surfaces (Cards, Panels, Headers)
   Level 3: Secondary & Inset Control Surfaces (Inputs, Recessed Bars, Insets)
   Level 4: Active & Floating Elements (Elevated Modals, Active Tabs, Badges)
   -------------------------------------------------------------------------- */

:root,
[data-theme="dark"] {
  /* Level 1: Canvas (Deep Obsidian Noir) */
  --clay-bg-canvas: #0a0b0f;

  /* Level 2: Raised Workspace Surfaces (Charcoal Titanium) */
  --clay-bg-surface: #12131a;
  --clay-bg-card: #161722;
  --clay-bg-card-hover: #1c1e2b;
  --clay-bg-nav: rgba(16, 17, 24, 0.95);
  --clay-bg-dock: rgba(13, 14, 20, 0.96);

  /* Level 3: Inset Control Surfaces */
  --clay-bg-inset: #0c0d12;

  /* Level 4: Active & Floating Elements */
  --clay-bg-elevated: #202230;

  /* Executive Professional Shadows & Highlights */
  --clay-shadow-card:
    0 4px 18px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.07);

  --clay-shadow-elevated:
    0 12px 32px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.1);

  --clay-shadow-button:
    0 1px 3px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.08);

  --clay-shadow-button-pressed:
    inset 0 2px 4px rgba(0, 0, 0, 0.5);

  --clay-shadow-input:
    inset 0 1.5px 4px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.06);

  --clay-shadow-pill:
    0 1px 3px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.06);

  /* Warm Champagne Gold & Literary Accents */
  --clay-lavender: #e2c293;
  --clay-lavender-soft: rgba(226, 194, 147, 0.12);
  --clay-rose: #c46b85;
  --clay-rose-soft: rgba(196, 107, 133, 0.12);
  --clay-terracotta: #d98d66;
  --clay-terracotta-soft: rgba(217, 141, 102, 0.12);
  --clay-sage: #4e9b88;
  --clay-sage-soft: rgba(78, 155, 136, 0.12);
  --clay-blue: #6b8bb8;

  /* Editorial High-Legibility Typography */
  --text-main: #f2f3f7;
  --text-sub: #a4a8bd;
  --text-dimmed: #6c7085;
  --text-border: rgba(255, 255, 255, 0.08);
  --clay-divider: rgba(255, 255, 255, 0.08);
}

/* Light Theme - Premium Porcelain & Lavender-Grey */
[data-theme="light"] {
  --clay-bg-canvas: #f4f3f7;

  --clay-bg-surface: #eae8f0;
  --clay-bg-card: #fcfbfe;
  --clay-bg-card-hover: #ffffff;
  --clay-bg-nav: rgba(240, 238, 246, 0.95);
  --clay-bg-dock: rgba(234, 232, 240, 0.96);

  --clay-bg-inset: #e2dfec;
  --clay-bg-elevated: #f0eef6;

  --clay-shadow-card:
    0 4px 14px rgba(78, 70, 99, 0.09),
    inset 1px 1px 1.5px rgba(255, 255, 255, 0.95),
    inset -1px -1px 2px rgba(138, 130, 160, 0.14);

  --clay-shadow-elevated:
    0 8px 24px rgba(78, 70, 99, 0.13),
    inset 1px 1px 2px rgba(255, 255, 255, 1),
    inset -2px -2px 3px rgba(138, 130, 160, 0.16);

  --clay-shadow-button:
    0 2px 7px rgba(85, 75, 110, 0.11),
    inset 1px 1px 1.5px rgba(255, 255, 255, 0.9),
    inset -1px -1px 2px rgba(120, 110, 145, 0.14);

  --clay-shadow-button-pressed:
    inset 2px 2px 4px rgba(85, 75, 110, 0.18),
    inset -1px -1px 1.5px rgba(255, 255, 255, 0.5);

  --clay-shadow-input:
    inset 1.5px 1.5px 4px rgba(90, 80, 115, 0.12),
    inset -1px -1px 1.5px rgba(255, 255, 255, 0.7);

  --clay-shadow-pill:
    0 2px 5px rgba(78, 70, 99, 0.08),
    inset 1px 1px 1px rgba(255, 255, 255, 0.85),
    inset -1px -1px 1.5px rgba(138, 130, 160, 0.12);

  --clay-lavender: #5a45b8;
  --clay-lavender-soft: rgba(90, 69, 184, 0.12);
  --clay-rose: #b0365f;
  --clay-rose-soft: rgba(176, 54, 95, 0.12);
  --clay-terracotta: #b85b35;
  --clay-terracotta-soft: rgba(184, 91, 53, 0.12);
  --clay-sage: #217968;
  --clay-sage-soft: rgba(33, 121, 104, 0.12);
  --clay-blue: #3669b3;

  --text-main: #140f20;
  --text-sub: #383149;
  --text-dimmed: #5e5672;
  --text-border: rgba(65, 50, 95, 0.16);
  --clay-divider: rgba(65, 50, 95, 0.16);
}

/* ==========================================================================
   Viewport Architecture & Master Shell
   ========================================================================== */

html, body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: var(--clay-bg-canvas);
  color: var(--text-main);
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Plus Jakarta Sans', sans-serif);
  -webkit-font-smoothing: antialiased;
}

#app-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: var(--clay-bg-canvas);
}

/* Global Content Stage: Flex child that manages all studios */
.app-stage {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* Universal Studio View Container */
.studio-view {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
}

.studio-view.active,
.studio-view[style*="display: block"],
.studio-view[style*="display: flex"] {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  max-height: 100% !important;
  min-height: 0 !important;
}

/* Scrollable container for non-chat studios */
.studio-scroll-stage {
  flex: 1 1 0%;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  overflow-y: auto !important;
  overflow-x: hidden;
  padding: 14px 24px 36px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  box-sizing: border-box;
}

/* ==========================================================================
   Global Top Navigation Bar (50px compact height)
   ========================================================================== */

.clay-top-nav {
  height: 50px;
  min-height: 50px;
  max-height: 50px;
  background: var(--clay-bg-nav);
  border-bottom: 1px solid var(--text-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-shrink: 0;
}

.top-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 140px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.brand-glyph {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, #e2c293, #8f6e3c);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(226, 194, 147, 0.35);
  color: #0c0e14;
  font-size: 14px;
  font-weight: 800;
}

.brand-name {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-main) !important;
  background: none !important;
  -webkit-text-fill-color: var(--text-main) !important;
}

/* Center Workspace Tabs */
.top-nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.top-nav-center::-webkit-scrollbar {
  display: none;
}

.top-workspace-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--clay-bg-inset);
  padding: 3px 4px;
  border-radius: 12px;
  box-shadow: var(--clay-shadow-input);
  border: 1px solid var(--text-border);
}

.top-tab-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 9px;
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
}

.top-tab-item:hover {
  color: var(--text-main);
  background: var(--clay-bg-surface);
}

.top-tab-item.active {
  background: var(--clay-bg-card);
  color: var(--clay-lavender);
  box-shadow: var(--clay-shadow-pill), 0 0 12px rgba(184, 164, 248, 0.25);
  border: 1px solid rgba(184, 164, 248, 0.22);
}

.top-tab-icon {
  font-size: 13px;
  line-height: 1;
}

/* Right Controls */
.top-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.top-model-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  padding: 4px 9px;
  border-radius: 10px;
  box-shadow: var(--clay-shadow-pill);
}

.top-model-select {
  background: transparent;
  border: none;
  color: var(--clay-lavender);
  font-weight: 600;
  font-size: 11px;
  outline: none;
  cursor: pointer;
  max-width: 130px;
}

.btn-theme-toggle {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-button);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  font-size: 13px;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-theme-toggle:hover {
  transform: translateY(-1px);
  background: var(--clay-bg-card-hover);
}

.btn-profile-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 10px;
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-button);
  color: var(--text-main);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
}

.btn-profile-menu:hover {
  background: var(--clay-bg-card-hover);
}

/* ==========================================================================
   Bottom System-Status Dock (34px compact height in normal flex flow)
   ========================================================================== */

.clay-status-dock {
  height: 34px;
  min-height: 34px;
  max-height: 34px;
  background: var(--clay-bg-dock);
  border-top: 1px solid var(--text-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 50;
  font-size: 11px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
  user-select: none;
}

.dock-left,
.dock-center,
.dock-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dock-item {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-sub);
  white-space: nowrap;
}

.dock-item strong {
  color: var(--text-main);
  font-weight: 600;
}

.dock-sep {
  color: var(--text-border);
  opacity: 0.8;
  font-size: 9px;
}

.dock-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay-sage);
  box-shadow: 0 0 5px var(--clay-sage);
  display: inline-block;
}

.dock-status-dot.busy {
  background: #ffbd2e;
  box-shadow: 0 0 5px #ffbd2e;
}

.dock-status-dot.offline {
  background: var(--clay-rose);
  box-shadow: 0 0 5px var(--clay-rose);
}

.dock-btn {
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  color: var(--text-sub);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 10.5px;
  cursor: pointer;
  box-shadow: var(--clay-shadow-pill);
  transition: all 0.15s ease;
}

.dock-btn:hover {
  color: var(--text-main);
  background: var(--clay-bg-elevated);
}

/* ==========================================================================
   Universal Studio Headers (Compact & Space-Efficient)
   ========================================================================== */

.studio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: var(--clay-bg-surface);
  border-radius: 12px;
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-card);
  margin-bottom: 12px;
  flex-shrink: 0;
}

.header-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.studio-subtitle {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  color: var(--clay-lavender);
}

.studio-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  line-height: 1.2;
}

.studio-desc {
  font-size: 11.5px;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.3;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ==========================================================================
   PERSONAL CHAT WORKSPACE (Viewport-Aware, Zero Wasted Space)
   ========================================================================== */

.chat-workspace-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  padding: 10px 18px 8px 18px;
  gap: 8px;
  box-sizing: border-box;
}

.chat-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--clay-bg-surface);
  border-radius: 12px;
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-card);
  flex-shrink: 0;
}

.chat-header-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.chat-model-badge {
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 9999px;
  background: var(--clay-lavender-soft);
  color: var(--clay-lavender);
  font-weight: 600;
  font-family: var(--font-mono, monospace);
}

.chat-privacy-pill {
  font-size: 11px;
  color: var(--clay-sage);
  font-weight: 600;
}

.chat-header-desc {
  font-size: 11.5px;
  color: var(--text-sub);
  margin: 0;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Chat Messages Canvas (Centered, Responsive, and Butter-Smooth Scroll) */
.chat-thread-canvas {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 14px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: min(1080px, 94vw);
  margin: 0 auto;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* Centered Reading Column */
.chat-bubble {
  max-width: min(1040px, 100%);
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
  position: relative;
  box-sizing: border-box;
}

.chat-bubble.assistant {
  align-self: flex-start;
  background: var(--clay-bg-surface);
  color: var(--text-main);
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-card);
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(157, 143, 224, 0.22) 0%, rgba(210, 117, 149, 0.22) 100%);
  color: var(--text-main);
  border: 1px solid var(--clay-lavender-soft);
  box-shadow: var(--clay-shadow-button);
  border-bottom-right-radius: 4px;
}

.chat-bubble-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dimmed);
  margin-bottom: 6px;
  font-weight: 600;
}

/* Chat Intentional Empty State Hero */
.chat-empty-hero {
  max-width: min(960px, 100%);
  width: 100%;
  margin: auto;
  padding: 24px 20px;
  background: var(--clay-bg-surface);
  border-radius: 16px;
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.chat-hero-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--clay-lavender-soft), var(--clay-rose-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.chat-hero-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.chat-hero-desc {
  font-size: 12.5px;
  color: var(--text-sub);
  max-width: 580px;
  line-height: 1.5;
  margin: 0;
}

.chat-starter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 100%;
  margin-top: 6px;
}

.chat-starter-card {
  background: var(--clay-bg-inset);
  border: 1px solid var(--text-border);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--clay-shadow-pill);
}

.chat-starter-card:hover {
  background: var(--clay-bg-elevated);
  border-color: var(--clay-lavender);
  transform: translateY(-1px);
}

.chat-starter-card strong {
  display: block;
  font-size: 12px;
  color: var(--text-main);
  margin-bottom: 2px;
}

.chat-starter-card span {
  font-size: 11px;
  color: var(--text-sub);
  line-height: 1.3;
  display: block;
}

/* Anchored Chat Composer Panel (Fixed Above Status Dock, Symmetrical to Thread) */
.chat-composer-panel {
  flex-shrink: 0;
  width: 100%;
  max-width: min(1080px, 94vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-suggestions-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  padding: 2px 0;
}

.suggestions-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-dimmed);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.suggestions-chips-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.suggestions-chips-scroll::-webkit-scrollbar {
  display: none;
}

.chat-composer-form {
  background: var(--clay-bg-inset);
  border-radius: 14px;
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-input);
  padding: 8px 12px;
  transition: all 0.18s ease;
}

.chat-composer-form:focus-within {
  border-color: var(--clay-lavender);
  box-shadow: var(--clay-shadow-input), 0 0 0 2px var(--clay-lavender-soft);
}

.chat-input-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-composer-textarea {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13.5px;
  line-height: 1.5;
  resize: none;
  max-height: 120px;
  min-height: 28px;
  width: 100%;
  font-family: inherit;
  box-sizing: border-box;
}

.chat-composer-textarea::placeholder {
  color: var(--text-dimmed);
}

.chat-composer-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dimmed);
  padding-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.chat-composer-hints {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-dimmed);
}

.chat-composer-hints kbd {
  background: var(--clay-bg-surface);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--text-border);
  font-family: var(--font-mono, monospace);
  font-size: 10px;
}

.chat-action-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   STORY STUDIO (Viewport-Aware Dual Pane Layout)
   ========================================================================== */

.story-dual-container {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  padding: 0 18px 10px 18px;
  overflow: hidden;
  align-items: stretch;
}

@media (min-width: 1440px) {
  .story-dual-container {
    grid-template-columns: 360px 1fr;
  }
}

.story-composer-pane {
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.story-workspace-pane {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.chapter-organizer-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--clay-bg-inset);
  padding: 6px 10px;
  border-radius: 12px;
  box-shadow: var(--clay-shadow-input);
  border: 1px solid var(--text-border);
  gap: 10px;
  flex-shrink: 0;
}

.chapter-tabs-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: none;
}

.chapter-tabs-scroll::-webkit-scrollbar {
  display: none;
}

.chapter-pill-btn {
  padding: 5px 12px;
  border-radius: 9999px;
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  color: var(--text-sub);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--clay-shadow-pill);
  transition: all 0.15s ease;
}

.chapter-pill-btn:hover {
  background: var(--clay-bg-elevated);
  color: var(--text-main);
}

.chapter-pill-btn.active {
  background: var(--clay-lavender);
  color: #0c0e14;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(157, 143, 224, 0.4);
}

/* Longform Editor Surface */
.story-writing-surface {
  flex: 1;
  min-height: 0;
  background: var(--clay-bg-card);
  border-radius: 14px;
  box-shadow: var(--clay-shadow-card);
  border: 1px solid var(--text-border);
  padding: 16px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.story-editor-textarea {
  flex: 1;
  min-height: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-body, -apple-system, sans-serif);
  font-size: 14.5px;
  line-height: 1.8;
  resize: none;
  overflow-y: auto;
  width: 100%;
}

/* ==========================================================================
   MEDIA STUDIOS (Voice, Image, Video) Space-Efficient Split Layouts
   ========================================================================== */

.studio-layout-split {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
  align-items: start;
}

@media (min-width: 1440px) {
  .studio-layout-split {
    grid-template-columns: 380px 1fr;
  }
}

/* ==========================================================================
   Reusable Clay UI Components & Controls
   ========================================================================== */

.clay-card {
  background: var(--clay-bg-card);
  border-radius: 14px;
  box-shadow: var(--clay-shadow-card);
  border: 1px solid var(--text-border);
  padding: 16px 18px;
  transition: border-color 0.18s ease;
}

.clay-card-elevated {
  background: var(--clay-bg-elevated);
  border-radius: 16px;
  box-shadow: var(--clay-shadow-elevated);
  border: 1px solid var(--text-border);
  padding: 20px;
}

.clay-card-inset {
  background: var(--clay-bg-inset);
  border-radius: 10px;
  box-shadow: var(--clay-shadow-input);
  border: 1px solid var(--text-border);
  padding: 12px 14px;
}

/* Primary Button (Warm Champagne Gold) */
.btn-clay-primary {
  background: var(--clay-lavender);
  color: #0c0d12;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid rgba(226, 194, 147, 0.5);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 12px rgba(226, 194, 147, 0.18);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-clay-primary:hover {
  transform: translateY(-1px);
  background: #ecd1a8;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5), 0 0 16px rgba(226, 194, 147, 0.3);
}

.btn-clay-primary:active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Secondary Button (Charcoal Titanium with Crisp 1px Border) */
.btn-clay-secondary {
  background: var(--clay-bg-surface);
  color: var(--text-main);
  font-weight: 500;
  font-size: 12px;
  padding: 6px 13px;
  border-radius: 8px;
  border: 1px solid var(--text-border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-clay-secondary:hover {
  background: var(--clay-bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-clay-secondary:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Danger Button */
.btn-clay-danger {
  background: rgba(196, 107, 133, 0.12);
  color: var(--clay-rose);
  border: 1px solid rgba(196, 107, 133, 0.28);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-clay-danger:hover {
  background: rgba(196, 107, 133, 0.22);
}


.btn-sm {
  padding: 4px 10px !important;
  font-size: 11px !important;
}

/* Inputs & Form Controls */
.clay-input,
.clay-select,
.clay-textarea {
  background: var(--clay-bg-inset);
  color: var(--text-main);
  border: 1px solid var(--text-border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12.5px;
  box-shadow: var(--clay-shadow-input);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
  width: 100%;
  box-sizing: border-box;
}

.clay-input:focus,
.clay-select:focus,
.clay-textarea:focus {
  outline: none;
  border-color: var(--clay-lavender);
  box-shadow:
    var(--clay-shadow-input),
    0 0 0 2px var(--clay-lavender-soft);
}

/* Chips & Pills (Crisp 6px Modern Radius) */
.clay-chip {
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-sub);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.clay-chip:hover {
  color: var(--text-main);
  background: var(--clay-bg-elevated);
  border-color: rgba(255, 255, 255, 0.15);
}

.clay-chip.active {
  background: var(--clay-lavender-soft);
  color: var(--clay-lavender);
  border-color: rgba(226, 194, 147, 0.4);
}

.clay-chip.rose.active {
  background: var(--clay-rose-soft);
  color: var(--clay-rose);
  border-color: rgba(196, 107, 133, 0.4);
}

.clay-chip.sage.active {
  background: var(--clay-sage-soft);
  color: var(--clay-sage);
  border-color: rgba(78, 155, 136, 0.4);
}

/* Universal Visible & Tactile Modern Scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(226, 194, 147, 0.25) rgba(0, 0, 0, 0.15);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: rgba(226, 194, 147, 0.22);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(226, 194, 147, 0.38);
}


::-webkit-scrollbar-thumb:active {
  background: rgba(210, 117, 149, 0.85);
}

/* Chat Inline Starters Matrix (Fills Empty Space Elegantly) */
.chat-inline-starters {
  width: 100%;
  max-width: 860px;
  margin: 6px auto 14px auto;
  padding: 16px 18px;
  background: var(--clay-bg-surface);
  border-radius: 14px;
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-card);
  box-sizing: border-box;
  animation: fadeIn 0.3s ease;
}

.inline-starters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--clay-lavender);
}

.inline-starters-header .spark-icon {
  margin-right: 4px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.active {
  display: flex;
}

.lock-card {
  background: var(--clay-bg-elevated);
  border-radius: 20px;
  box-shadow: var(--clay-shadow-elevated), 0 20px 50px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--text-border);
  padding: 36px 30px;
  color: var(--text-main);
  text-align: center;
  position: relative;
  box-sizing: border-box;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.diagnostics-modal-box {
  background: var(--clay-bg-elevated);
  border-radius: 18px;
  box-shadow: var(--clay-shadow-elevated);
  border: 1px solid var(--text-border);
  padding: 24px;
  color: var(--text-main);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 46px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast-item {
  background: var(--clay-bg-elevated);
  border: 1px solid var(--text-border);
  box-shadow: var(--clay-shadow-elevated);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Range Sliders */
.custom-range {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: var(--clay-bg-inset);
  box-shadow: var(--clay-shadow-input);
  outline: none;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--clay-lavender);
  cursor: pointer;
  box-shadow: var(--clay-shadow-button);
}

/* Pulse dots */
.pulse-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay-lavender);
  animation: pulseAnim 1.5s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* ==========================================================================
   Responsive Adaptations (1440x900, 1512x982, 1280x800, & Compact)
   ========================================================================== */

@media (max-width: 1200px) {
  .story-dual-container {
    grid-template-columns: 290px 1fr;
  }
  .studio-layout-split {
    grid-template-columns: 300px 1fr;
  }
}

@media (max-width: 900px) {
  .story-dual-container {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .studio-layout-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .clay-top-nav {
    padding: 0 10px;
  }
  .brand-name {
    display: none;
  }
  .top-tab-item {
    padding: 4px 8px;
    font-size: 11px;
  }
  .studio-scroll-stage {
    padding: 10px 12px 28px 12px;
  }
  .kindle-book-page {
    padding: 24px 18px 40px 18px;
  }
  .kindle-book-body {
    font-size: 15.5px;
    line-height: 1.75;
  }
  .kindle-chapter-name {
    font-size: 22px;
  }
  .library-items-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FORM & INPUT CONTRAST REFINEMENT
   ========================================================================== */

.input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  letter-spacing: -0.1px;
}

.input-hint {
  font-size: 11px;
  color: var(--text-dimmed);
  font-weight: 500;
}

/* ==========================================================================
   IMAGE STUDIO: ZERO-OVERFLOW RESPONSIVE CHARACTER SELECTOR
   ========================================================================== */

#image-char-list {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 8px !important;
  width: 100% !important;
  box-sizing: border-box !important;
  margin-bottom: 14px !important;
}

.character-thumb-card {
  min-width: 0 !important;
  width: 100% !important;
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  border-radius: 12px;
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  box-shadow: var(--clay-shadow-button);
  transition: all 0.18s ease;
  box-sizing: border-box;
}

.character-thumb-card:hover {
  background: var(--clay-bg-card-hover);
  border-color: var(--clay-lavender);
  transform: translateY(-1px);
}

.character-thumb-card.active {
  border-color: var(--clay-lavender) !important;
  background: var(--clay-lavender-soft) !important;
  box-shadow: 0 2px 10px rgba(157, 143, 224, 0.3) !important;
}

.character-portrait-img {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--text-border);
}

.character-thumb-card.active .character-portrait-img {
  border-color: var(--clay-lavender);
}

.character-thumb-name {
  font-weight: 700;
  font-size: 11.5px;
  color: var(--text-main);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

/* ==========================================================================
   VOICE STUDIO: COMPACT PREDICTABLE PROFILE LIST & STATUS BADGES
   ========================================================================== */

#voice-profile-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 10px;
}

.voice-profile-card {
  background: var(--clay-bg-surface);
  border: 1px solid var(--text-border);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  box-shadow: var(--clay-shadow-button);
  transition: all 0.18s ease;
}

.voice-profile-card:hover {
  background: var(--clay-bg-card-hover);
  border-color: var(--clay-lavender);
}

.voice-profile-card.selected {
  border-color: var(--clay-lavender);
  background: var(--clay-lavender-soft);
  box-shadow: 0 2px 10px rgba(157, 143, 224, 0.25);
}

.voice-avatar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.voice-avatar-thumb {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--text-border);
}

.voice-profile-card.selected .voice-avatar-thumb {
  border-color: var(--clay-lavender);
}

.voice-meta-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-main);
}

.voice-meta-timbre {
  font-size: 11px;
  color: var(--clay-lavender);
  font-weight: 600;
}

/* ==========================================================================
   STORY STUDIO: SCROLLABLE SENSORY PREVIEW & COMPLETION BAR
   ========================================================================== */

#story-rendered-output {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  width: 100%;
  box-sizing: border-box;
  padding-right: 4px;
}

.story-completion-bar {
  background: var(--clay-bg-inset);
  border: 1px solid var(--text-border);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
  box-shadow: var(--clay-shadow-input);
}

.story-completion-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
}

.story-completion-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ==========================================================================
   LIBRARY: PRO EXECUTIVE DESIGN SYSTEM (MOCKUP ACCURACY)
   Horizontal Underline Tabs, 3-Metric KPI Grid, Luxury Story & Idea Cards
   ========================================================================== */

/* Top Author Pill (Mockup Header Right) */
.top-author-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  user-select: none;
  cursor: default;
  transition: all 0.2s ease;
}

.top-author-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(226, 194, 147, 0.3);
}

.author-avatar-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e2c293, #7a6035);
  color: #0c0e14;
  font-weight: 800;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(226, 194, 147, 0.35);
}

.author-meta-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.author-display-name {
  font-size: 11.5px;
  font-weight: 700;
  color: #f2f3f7;
}

.author-status-line {
  font-size: 9.5px;
  color: #7d8299;
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-indicator-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.6);
  display: inline-block;
}

/* Horizontal Tabs Strip (Mockup Layout) */
.pro-library-tabs-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 14px;
}

.pro-tabs-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.pro-tabs-category-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #64687f;
  text-transform: uppercase;
}

.pro-horizontal-tabs {
  display: flex;
  align-items: center;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}

.pro-horizontal-tabs::-webkit-scrollbar {
  display: none;
}

.pro-tab-btn {
  background: none;
  border: none;
  padding: 10px 2px 14px 2px;
  font-size: 13.5px;
  font-weight: 500;
  color: #8489a2;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  transition: all 0.18s ease;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.pro-tab-btn:hover {
  color: #e2e4ef;
}

.pro-tab-btn.active {
  color: #e2c293;
  font-weight: 600;
  border-bottom: 2px solid #e2c293;
  text-shadow: 0 0 14px rgba(226, 194, 147, 0.4);
}

.pro-tab-count {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.08);
  color: #8f94ab;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.18s ease;
}

.pro-tab-btn.active .pro-tab-count {
  background: rgba(226, 194, 147, 0.18);
  color: #e2c293;
}

.pro-tabs-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pro-search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0f1017;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 6px 12px;
  width: 240px;
  transition: all 0.18s ease;
}

.pro-search-box:focus-within {
  border-color: #e2c293;
  box-shadow: 0 0 12px rgba(226, 194, 147, 0.2);
}

.pro-search-icon {
  font-size: 13px;
  color: #6c7087;
}

.pro-search-input {
  background: transparent;
  border: none;
  outline: none;
  color: #f2f3f7;
  font-size: 12.5px;
  width: 100%;
}

.pro-search-input::placeholder {
  color: #5d6177;
}

.pro-viewmode-toggle {
  display: flex;
  background: #0f1017;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 2px;
}

.pro-view-btn {
  background: none;
  border: none;
  color: #6c7087;
  padding: 4px 8px;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pro-view-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #f2f3f7;
}

/* ==========================================================================
   STORY CARDS GRID & 3-METRIC KPI SYSTEM
   ========================================================================== */

.library-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
}

/* Base Pro Story Card */
.pro-story-card {
  background: #14151e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 20px 20px 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.pro-story-card:hover {
  transform: translateY(-3px);
  border-color: rgba(226, 194, 147, 0.45);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(226, 194, 147, 0.12);
}

.pro-story-card.is-completed {
  border-color: rgba(74, 222, 128, 0.22);
}

.pro-story-card.is-completed:hover {
  border-color: rgba(74, 222, 128, 0.5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(74, 222, 128, 0.15);
}

/* Card Header */
.pro-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 5px;
}

.pro-card-title {
  font-size: 16.5px;
  font-weight: 700;
  color: #f2f3f7;
  margin: 0;
  line-height: 1.35;
  letter-spacing: -0.01em;
  flex: 1;
}

/* Status Badges */
.pro-status-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

.pro-status-badge.in-progress {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.pro-status-badge.completed {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.pro-status-badge.idea {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.pro-status-badge.audio {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.pro-status-badge.media {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Subtitle */
.pro-card-subtitle {
  font-size: 12px;
  color: #8c90a8;
  margin-bottom: 12px;
  line-height: 1.4;
}

/* THE 3-METRIC KPI GRID */
.pro-kpi-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: #0c0d13;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 11px 8px;
  margin: 4px 0 12px 0;
  gap: 4px;
}

.pro-kpi-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pro-kpi-col:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.pro-kpi-val {
  font-size: 18px;
  font-weight: 800;
  color: #f2f3f7;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.pro-kpi-val.accent-val {
  color: #e2c293;
}

.pro-kpi-lbl {
  font-size: 9.5px;
  font-weight: 700;
  color: #63687e;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Reading Stats */
.pro-reading-stats {
  font-size: 11px;
  color: #787d95;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 11px;
}

.stat-bullet {
  opacity: 0.4;
}

/* Excerpt */
.pro-card-excerpt {
  font-size: 12px;
  color: #9da2ba;
  line-height: 1.55;
  margin: 0 0 12px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Sensory & Theme Tags */
.pro-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}

.pro-tag-chip {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  color: #b0b4ca;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.pro-tag-chip.sensory {
  background: rgba(226, 194, 147, 0.08);
  color: #e2c293;
  border-color: rgba(226, 194, 147, 0.18);
}

.pro-tag-chip.audio {
  background: rgba(244, 63, 94, 0.08);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.22);
  cursor: pointer;
}

/* Action Footer */
.pro-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 12px;
  margin-top: auto;
  gap: 8px;
  flex-wrap: wrap;
}

.pro-actions-left {
  display: flex;
  align-items: center;
  gap: 7px;
}

.pro-actions-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Buttons */
.btn-pro-read {
  background: linear-gradient(135deg, #e2c293, #c8a776);
  color: #0c0e14;
  border: none;
  border-radius: 6px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 8px rgba(226, 194, 147, 0.25);
}

.btn-pro-read:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(226, 194, 147, 0.45);
}

.btn-pro-listen,
.btn-pro-edit {
  background: rgba(255, 255, 255, 0.06);
  color: #f2f3f7;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.btn-pro-listen:hover,
.btn-pro-edit:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-pro-launch {
  background: linear-gradient(135deg, rgba(226, 194, 147, 0.18), rgba(226, 194, 147, 0.08));
  color: #e2c293;
  border: 1px solid rgba(226, 194, 147, 0.35);
  border-radius: 6px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-pro-launch:hover {
  background: #e2c293;
  color: #0c0e14;
  box-shadow: 0 4px 14px rgba(226, 194, 147, 0.4);
}

.btn-pro-icon {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: #8489a2;
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-pro-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-pro-icon.danger:hover {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.3);
}

/* Story Idea Cards */
.pro-idea-card {
  border-color: rgba(168, 85, 247, 0.22);
}

.pro-idea-card:hover {
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(168, 85, 247, 0.12);
}

.pro-idea-premise-box {
  background: #0c0d13;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 6px 0 14px 0;
  position: relative;
}

.premise-quote-mark {
  font-size: 26px;
  font-family: Georgia, serif;
  color: rgba(226, 194, 147, 0.35);
  line-height: 0.8;
  margin-bottom: 2px;
}

.pro-idea-premise-text {
  font-size: 12px;
  color: #c0c4da;
  line-height: 1.55;
  margin: 0;
}

.manuscript-dropzone:hover,
.manuscript-dropzone.drag-over {
  border-color: var(--clay-lavender) !important;
  background: rgba(224, 195, 252, 0.08) !important;
  box-shadow: 0 0 16px rgba(224, 195, 252, 0.2);
}

/* ==========================================================================
   LIGHT THEME CONTRAST & PORCELAIN OVERRIDES
   ========================================================================== */

[data-theme="light"] body {
  background-color: var(--clay-bg-canvas);
  color: var(--text-main);
}

[data-theme="light"] .clay-top-nav {
  background: rgba(246, 245, 250, 0.94);
  border-bottom-color: rgba(65, 50, 95, 0.12);
}

[data-theme="light"] .brand-glyph {
  box-shadow: 0 2px 10px rgba(184, 140, 70, 0.3);
}

[data-theme="light"] .brand-name {
  color: #140f20 !important;
  background: none !important;
  -webkit-text-fill-color: #140f20 !important;
}

[data-theme="light"] .top-author-pill {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.16);
  box-shadow: 0 2px 6px rgba(78, 70, 99, 0.06);
}

[data-theme="light"] .author-display-name {
  color: #140f20;
}

[data-theme="light"] .author-status-line {
  color: #5e5672;
}

[data-theme="light"] .cmd-k-trigger-btn {
  background: #ffffff;
  color: #5e5672;
  border-color: rgba(65, 50, 95, 0.16);
  box-shadow: 0 1px 4px rgba(78, 70, 99, 0.05);
}

[data-theme="light"] .cmd-k-trigger-btn:hover {
  color: #140f20;
  border-color: var(--clay-lavender);
}

[data-theme="light"] .cmd-k-trigger-btn kbd {
  background: #f0edf7;
  color: var(--clay-lavender);
  border-color: rgba(65, 50, 95, 0.14);
}

[data-theme="light"] .top-workspace-tabs {
  background: #ebe8f3;
  border-color: rgba(65, 50, 95, 0.14);
}

[data-theme="light"] .top-tab-item {
  color: #48405c;
}

[data-theme="light"] .top-tab-item:hover {
  background: #ffffff;
  color: #140f20;
}

[data-theme="light"] .top-tab-item.active {
  background: #ffffff;
  color: var(--clay-lavender);
  box-shadow: 0 2px 8px rgba(90, 69, 184, 0.15);
  border: 1px solid rgba(90, 69, 184, 0.22);
}

[data-theme="light"] .clay-card {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.14);
  box-shadow: var(--clay-shadow-card);
}

[data-theme="light"] .clay-card-inset {
  background: #ebe8f3;
  border-color: rgba(65, 50, 95, 0.16);
}

[data-theme="light"] .clay-chip {
  background: #f0edf7;
  color: #2a233c;
  border-color: rgba(65, 50, 95, 0.18);
  font-weight: 600;
}

[data-theme="light"] .btn-clay-secondary {
  background: #ffffff;
  color: #140f20;
  border-color: rgba(65, 50, 95, 0.2);
  font-weight: 600;
}

[data-theme="light"] .btn-clay-secondary:hover {
  background: #f7f6fc;
}

[data-theme="light"] .dock-btn {
  background: #ffffff;
  color: #140f20;
  border-color: rgba(65, 50, 95, 0.18);
}

[data-theme="light"] .top-model-pill {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.18);
  box-shadow: 0 1px 4px rgba(78, 70, 99, 0.05);
}

[data-theme="light"] #cloud-sync-status-badge {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.18);
}

[data-theme="light"] .top-model-select {
  color: #140f20;
  font-weight: 600;
}

[data-theme="light"] .btn-theme-toggle,
[data-theme="light"] .btn-profile-menu {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.18);
  color: #140f20;
  box-shadow: 0 1px 4px rgba(78, 70, 99, 0.05);
}

[data-theme="light"] .modal-backdrop {
  background: rgba(25, 20, 38, 0.45);
}

[data-theme="light"] .lock-card {
  background: #ffffff;
  border-color: rgba(65, 50, 95, 0.2);
}

/* Light Theme Kindle Ambient Desks */
[data-theme="light"] .kindle-canvas.canvas-paper {
  background: radial-gradient(ellipse at 50% 15%, #ffffff 0%, #ebe7f4 100%) !important;
}

[data-theme="light"] .kindle-canvas.canvas-ivory {
  background: radial-gradient(ellipse at 50% 15%, #fcf9f2 0%, #ebe2ce 100%) !important;
}

[data-theme="light"] .kindle-canvas.canvas-sepia {
  background: radial-gradient(ellipse at 50% 15%, #faf0de 0%, #ebd7ba 100%) !important;
}

[data-theme="light"] .kindle-canvas.canvas-noir {
  background: radial-gradient(ellipse at 50% 15%, #252836 0%, #12131b 100%) !important;
}

[data-theme="light"] .reader-side-paddle {
  background: rgba(255, 255, 255, 0.9);
  color: #140f20;
  border-color: rgba(65, 50, 95, 0.18);
  box-shadow: 0 6px 20px rgba(78, 70, 99, 0.12);
}

[data-theme="light"] .reader-side-paddle:hover {
  background: #ffffff;
  border-color: var(--clay-lavender);
}

[data-theme="light"] .reader-floating-hud {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(65, 50, 95, 0.18);
  box-shadow: 0 16px 40px rgba(78, 70, 99, 0.15);
}

[data-theme="light"] .hud-btn {
  color: #383149;
}

[data-theme="light"] .hud-btn:hover {
  background: rgba(65, 50, 95, 0.08);
  color: #140f20;
}

[data-theme="light"] .hud-btn.active {
  background: var(--clay-lavender);
  color: #ffffff;
}

[data-theme="light"] .hud-divider {
  background: rgba(65, 50, 95, 0.15);
}

[data-theme="light"] .reader-toc-drawer {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(65, 50, 95, 0.18);
  box-shadow: 0 24px 60px rgba(78, 70, 99, 0.2);
}

[data-theme="light"] .toc-header {
  color: #140f20;
  border-bottom-color: rgba(65, 50, 95, 0.12);
}

[data-theme="light"] .toc-item-btn {
  color: #383149;
}

[data-theme="light"] .toc-item-btn:hover {
  background: rgba(65, 50, 95, 0.08);
  color: #140f20;
}

[data-theme="light"] .toc-item-btn.active {
  background: rgba(90, 69, 184, 0.12);
  color: #5a45b8;
}

/* ==========================================================================
   KINDLE & APPLE BOOKS LUXURY READING SANCTUARY (SPACIOUS WIDESCREEN & TYPESETTING)
   ========================================================================== */

.kindle-canvas {
  flex: 1 1 0%;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  overflow-y: auto !important;
  overflow-x: hidden;
  padding: 24px 32px 100px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
  position: relative;
  transition: background 0.3s ease;
}

/* Ambient Canvas Desks (Harmonious lighting around book pages) */
.kindle-canvas.canvas-noir,
.kindle-canvas:not([class*="canvas-"]) {
  background: radial-gradient(ellipse at 50% 15%, #141620 0%, #090a0e 100%);
}

.kindle-canvas.canvas-sepia {
  background: radial-gradient(ellipse at 50% 15%, #241c15 0%, #110d0a 100%);
}

.kindle-canvas.canvas-ivory {
  background: radial-gradient(ellipse at 50% 15%, #1e2029 0%, #0c0d12 100%);
}

.kindle-canvas.canvas-paper {
  background: radial-gradient(ellipse at 50% 15%, #222630 0%, #0f1015 100%);
}

/* Main Book Page Card (Generous, balanced width - no wasted margins) */
.kindle-book-page {
  flex-shrink: 0;
  width: 100%;
  max-width: min(940px, 94vw);
  min-height: min-content;
  margin: 0 auto;
  padding: 60px 76px 76px 76px;
  border-radius: 14px;
  box-sizing: border-box;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 2px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.25s ease;
  position: relative;
}

/* Widescreen enhancement: Expands elegantly on large displays */
@media (min-width: 1440px) {
  .kindle-book-page:not(.layout-spread) {
    max-width: min(1060px, 88vw);
    padding: 64px 88px 88px 88px;
  }
}

/* Open Book Dual-Page Spread Layout (Expansive luxury book folio) */
.kindle-canvas.layout-spread .kindle-book-page {
  max-width: min(1440px, 96vw);
  padding: 0;
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
}

.kindle-book-spread {
  display: none;
  width: 100%;
  grid-template-columns: 1fr 1fr;
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.kindle-canvas.layout-spread .kindle-book-spread {
  display: grid;
}

.kindle-canvas.layout-spread .kindle-single-page-wrapper {
  display: none;
}

.kindle-canvas:not(.layout-spread) .kindle-book-spread {
  display: none;
}

.kindle-canvas:not(.layout-spread) .kindle-single-page-wrapper {
  display: block;
}

.kindle-canvas:not(.layout-spread) .kindle-book-spread {
  display: none;
}

.kindle-canvas:not(.layout-spread) .kindle-single-page-wrapper {
  display: block;
}

.spread-page {
  padding: 52px 56px 64px 56px;
  box-sizing: border-box;
  position: relative;
  min-height: 580px;
}

.spread-page-left {
  border-right: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px 0 0 14px;
}

.spread-page-right {
  border-left: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 0 14px 14px 0;
}

/* Realistic Book Spine Crease Shadow */
.book-spine-crease {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 50px;
  transform: translateX(-50%);
  background: linear-gradient(to right, 
    rgba(0, 0, 0, 0.08) 0%, 
    rgba(0, 0, 0, 0.22) 48%, 
    rgba(0, 0, 0, 0.35) 50%, 
    rgba(0, 0, 0, 0.22) 52%, 
    rgba(0, 0, 0, 0.08) 100%
  );
  pointer-events: none;
  z-index: 10;
}

/* Silk Bookmark Ribbon */
.book-ribbon-marker {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 90px;
  background: linear-gradient(180deg, #b91c1c 0%, #991b1b 85%, transparent 100%);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  border-radius: 0 0 3px 3px;
  z-index: 15;
  pointer-events: none;
}

/* --- LUXURY READING THEMES --- */

/* 1. Obsidian Noir */
.theme-noir,
.spread-noir {
  background: #111218 !important;
  color: #dedad3 !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

.theme-noir .kindle-header-book-title,
.theme-noir .kindle-header-chapter-title,
.theme-noir .kindle-location-info {
  color: #8b877f !important;
}

.theme-noir .kindle-chapter-num,
.theme-noir .kindle-drop-cap,
.theme-noir .kindle-ornament,
.theme-noir .kindle-break-glyph {
  color: #e0c3fc !important;
}

.theme-noir .kindle-chapter-name {
  color: #f3efe6 !important;
}

.theme-noir .kindle-dialogue-block {
  border-left-color: #a78bfa !important;
  background: rgba(167, 139, 250, 0.04);
}

.theme-noir .kindle-progress-fill {
  background: #a78bfa !important;
}

/* 2. Warm Sepia */
.theme-sepia,
.spread-sepia {
  background: #f4ecdc !important;
  color: #2e251d !important;
  border-color: rgba(90, 60, 30, 0.18) !important;
  box-shadow: 0 16px 50px rgba(35, 20, 10, 0.35) !important;
}

.theme-sepia .kindle-header-book-title,
.theme-sepia .kindle-header-chapter-title,
.theme-sepia .kindle-location-info {
  color: #796654 !important;
}

.theme-sepia .kindle-chapter-num,
.theme-sepia .kindle-drop-cap,
.theme-sepia .kindle-ornament,
.theme-sepia .kindle-break-glyph {
  color: #9c633a !important;
}

.theme-sepia .kindle-chapter-name {
  color: #1a140e !important;
}

.theme-sepia .kindle-break-line {
  background: rgba(90, 60, 30, 0.15) !important;
}

.theme-sepia .kindle-dialogue-block {
  border-left-color: #b47b4d !important;
  background: rgba(180, 123, 77, 0.06);
}

.theme-sepia .kindle-progress-track {
  background: rgba(90, 60, 30, 0.12) !important;
}

.theme-sepia .kindle-progress-fill {
  background: #9c633a !important;
}

/* 3. Luxury Ivory (Apple Books Cream) */
.theme-ivory,
.spread-ivory {
  background: #faf6ee !important;
  color: #221d18 !important;
  border-color: rgba(70, 55, 40, 0.14) !important;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3) !important;
}

.theme-ivory .kindle-header-book-title,
.theme-ivory .kindle-header-chapter-title,
.theme-ivory .kindle-location-info {
  color: #786a5b !important;
}

.theme-ivory .kindle-chapter-num,
.theme-ivory .kindle-drop-cap,
.theme-ivory .kindle-ornament,
.theme-ivory .kindle-break-glyph {
  color: #8c6036 !important;
}

.theme-ivory .kindle-chapter-name {
  color: #14110e !important;
}

.theme-ivory .kindle-break-line {
  background: rgba(70, 55, 40, 0.12) !important;
}

.theme-ivory .kindle-dialogue-block {
  border-left-color: #9d7042 !important;
  background: rgba(157, 112, 66, 0.05);
}

.theme-ivory .kindle-progress-track {
  background: rgba(70, 55, 40, 0.1) !important;
}

.theme-ivory .kindle-progress-fill {
  background: #8c6036 !important;
}

/* 4. Archival Paper (Crisp Bond White) */
.theme-paper,
.spread-paper {
  background: #ffffff !important;
  color: #16161a !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.35) !important;
}

.theme-paper .kindle-header-book-title,
.theme-paper .kindle-header-chapter-title,
.theme-paper .kindle-location-info {
  color: #71717a !important;
}

.theme-paper .kindle-chapter-num,
.theme-paper .kindle-drop-cap,
.theme-paper .kindle-ornament,
.theme-paper .kindle-break-glyph {
  color: #27272a !important;
}

.theme-paper .kindle-chapter-name {
  color: #09090b !important;
}

.theme-paper .kindle-break-line {
  background: rgba(0, 0, 0, 0.08) !important;
}

.theme-paper .kindle-dialogue-block {
  border-left-color: #3f3f46 !important;
  background: rgba(0, 0, 0, 0.03);
}

.theme-paper .kindle-progress-track {
  background: rgba(0, 0, 0, 0.08) !important;
}

.theme-paper .kindle-progress-fill {
  background: #27272a !important;
}

/* --- FONTS --- */
.font-bookerly {
  font-family: 'Bookerly', 'Georgia', 'Iowan Old Style', 'Baskerville', serif;
}

.font-sans {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Plus Jakarta Sans', sans-serif;
}

.font-mono {
  font-family: 'JetBrains Mono', 'Menlo', 'Courier New', monospace;
}

/* --- EDITORIAL MASTHEAD & TYPESETTING --- */
.kindle-book-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.75;
  margin-bottom: 34px;
  border-bottom: 1px solid rgba(125, 125, 125, 0.12);
  padding-bottom: 10px;
}

.kindle-chapter-masthead {
  text-align: center;
  margin-bottom: 40px;
}

.kindle-chapter-num {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-bottom: 8px;
}

.kindle-chapter-name {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 14px 0;
  letter-spacing: -0.01em;
}

.kindle-ornament {
  font-size: 14px;
  letter-spacing: 0.35em;
  opacity: 0.75;
}

/* Body Text Typesetting */
.kindle-book-body {
  font-size: 17.5px;
  line-height: 1.88;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}

.kindle-book-body p {
  margin-bottom: 1.15em;
  text-indent: 1.6em;
  line-height: inherit;
}

.kindle-book-body p.no-indent {
  text-indent: 0 !important;
}

/* Refined Drop Cap: Seamless word union (Zero gap) */
.kindle-drop-cap {
  float: left;
  font-size: 3.3em;
  line-height: 0.78;
  margin: 2px 3px 0 0;
  font-family: 'Bookerly', 'Georgia', 'Iowan Old Style', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Scene Breaks & Ornaments */
.kindle-scene-break {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 36px 0 26px 0;
  gap: 12px;
}

.kindle-break-line {
  flex: 1;
  height: 1px;
  background: rgba(125, 125, 125, 0.15);
}

.kindle-break-glyph {
  font-size: 11px;
  opacity: 0.7;
}

.kindle-break-title {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  opacity: 0.85;
}

/* Dialogue Blocks */
.kindle-dialogue-block {
  margin: 18px 0;
  padding: 8px 16px 8px 18px;
  border-left: 2.5px solid var(--clay-lavender);
  border-radius: 0 6px 6px 0;
  line-height: 1.75;
}

.kindle-speaker-tag {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 800;
  opacity: 0.8;
  margin-bottom: 3px;
  display: block;
}

.kindle-quote {
  font-style: italic;
  font-size: 1.02em;
}

/* Chapter Progress Footer */
.kindle-book-footer {
  margin-top: 48px;
  border-top: 1px solid rgba(125, 125, 125, 0.12);
  padding-top: 20px;
}

.kindle-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(125, 125, 125, 0.15);
  border-radius: 2px;
  margin-bottom: 10px;
  overflow: hidden;
}

.kindle-progress-fill {
  height: 100%;
  transition: width 0.3s ease;
}

.kindle-location-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  font-weight: 500;
}

/* --- FLOATING READER ISLAND (HUD) --- */
.reader-floating-hud {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 800;
  background: rgba(20, 22, 30, 0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 100px;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

.reader-floating-hud:hover {
  border-color: rgba(224, 195, 252, 0.35);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
}

.hud-btn {
  background: transparent;
  border: none;
  color: #dedcd4;
  padding: 5px 10px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.hud-btn.active {
  background: var(--clay-lavender);
  color: #0c0d12;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hud-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.hud-theme-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.hud-theme-dot:hover {
  transform: scale(1.15);
}

.hud-theme-dot.active {
  transform: scale(1.2);
  border-color: var(--clay-lavender);
  box-shadow: 0 0 8px rgba(224, 195, 252, 0.6);
}

.dot-noir { background: #111218; }
.dot-sepia { background: #f4ecdc; }
.dot-ivory { background: #faf6ee; }
.dot-paper { background: #ffffff; }

/* --- FLOATING PAGE-TURN PADDLES --- */
.reader-side-paddle {
  position: fixed;
  top: 52%;
  transform: translateY(-50%);
  width: 44px;
  height: 84px;
  background: rgba(22, 24, 34, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #dedcd4;
  font-size: 26px;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 750;
  transition: all 0.2s ease;
  user-select: none;
}

.reader-side-paddle.paddle-prev {
  left: 20px;
  border-radius: 12px 6px 6px 12px;
}

.reader-side-paddle.paddle-next {
  right: 20px;
  border-radius: 6px 12px 12px 6px;
}

.reader-side-paddle:hover {
  background: rgba(35, 38, 52, 0.9);
  color: #ffffff;
  border-color: var(--clay-lavender);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* --- TABLE OF CONTENTS DRAWER / MODAL --- */
.reader-toc-drawer {
  position: fixed;
  left: 20px;
  bottom: 80px;
  width: 320px;
  max-height: 480px;
  background: rgba(20, 22, 30, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  z-index: 950;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.reader-toc-drawer.active {
  display: flex;
}

.toc-header {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-main);
}

.toc-list {
  padding: 8px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-item-btn {
  text-align: left;
  background: transparent;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 12.5px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.15s ease;
}

.toc-item-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.toc-item-btn.active {
  background: var(--clay-lavender-soft);
  color: var(--clay-lavender);
  font-weight: 700;
}

/* Fullscreen Zen Focus Mode */
body.zen-focus-active .clay-top-nav,
body.zen-focus-active .clay-status-dock,
body.zen-focus-active .studio-header,
body.zen-focus-active .story-mode-toolbar {
  display: none !important;
}

body.zen-focus-active .kindle-canvas {
  padding-top: 40px;
}

/* ==========================================================================
   MOBILE & TABLET PWA RESPONSIVE ARCHITECTURE
   ========================================================================== */

/* Mobile Bottom Navigation Bar (iOS / Android Native Glass Dock) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(56px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--clay-bg-dock);
  border-top: 1px solid var(--text-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 900;
  justify-content: space-around;
  align-items: center;
  box-sizing: border-box;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: none;
  color: var(--text-dimmed);
  font-size: 10.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-item.active {
  color: var(--clay-lavender);
  font-weight: 700;
}

.mobile-nav-icon {
  font-size: 19px;
  line-height: 1;
}

/* Mobile Screens (< 680px) */
@media (max-width: 680px) {
  .mobile-bottom-nav {
    display: flex !important;
  }
  .clay-status-dock {
    display: none !important;
  }
  .top-nav-center {
    display: none !important;
  }
  .cmd-k-trigger-btn {
    display: none !important;
  }
  .top-author-pill {
    display: none !important;
  }
  .top-nav-left {
    min-width: auto;
  }
  .clay-top-nav {
    height: 48px;
    padding: 0 12px;
  }
  .top-model-pill {
    padding: 3px 7px;
  }
  
  /* Mobile Reader Experience */
  .kindle-canvas.layout-spread .kindle-book-spread {
    display: none !important;
  }
  .kindle-canvas.layout-spread .kindle-single-page-wrapper {
    display: block !important;
  }
  .reader-side-paddle {
    display: none !important;
  }
  .kindle-canvas {
    padding: 12px 10px calc(84px + env(safe-area-inset-bottom, 0px)) 10px !important;
  }
  .kindle-book-page {
    max-width: 100% !important;
    padding: 32px 18px 48px 18px !important;
    border-radius: 8px !important;
    box-shadow: none !important;
    border: none !important;
  }
  .kindle-book-body {
    font-size: 16.5px !important;
    line-height: 1.8 !important;
  }
  .kindle-chapter-name {
    font-size: 22px !important;
  }
  .reader-floating-hud {
    bottom: calc(66px + env(safe-area-inset-bottom, 0px)) !important;
    max-width: 95vw;
    overflow-x: auto;
    padding: 4px 10px;
    gap: 6px;
    scrollbar-width: none;
  }
  .reader-floating-hud::-webkit-scrollbar {
    display: none;
  }
  .reader-toc-drawer {
    left: 10px;
    right: 10px;
    width: auto;
    bottom: calc(66px + env(safe-area-inset-bottom, 0px));
  }
  
  /* Studio Editor on mobile: Stacked single column */
  .story-dual-container {
    grid-template-columns: 1fr !important;
    height: auto !important;
    overflow-y: auto !important;
    padding-bottom: 70px;
  }
  .story-composer-pane,
  .story-workspace-pane {
    max-height: none !important;
  }
}

/* Tablet Screens (861px - 1100px) */
@media (min-width: 861px) and (max-width: 1100px) {
  .kindle-book-page:not(.layout-spread) {
    max-width: 90vw;
    padding: 48px 52px;
  }
  .kindle-canvas.layout-spread .kindle-book-page {
    max-width: 96vw;
  }
  .spread-page {
    padding: 40px 42px 50px 42px;
  }
}