/* ==========================================================================
   REALTIME CO-PAINTER — SHOWCASE CSS & GLASSMORPHIC DESIGN SYSTEM
   Deep Cyberpunk Dark Theme (#0d0d14), Frosted Glassmorphism, Neon Glows
   ========================================================================== */

:root {
  /* Viewport Height fallback for mobile / iPad Safari */
  --app-height: 100vh;

  /* Color Palette - Surfaces */
  --bg-primary: #0d0d14;
  --bg-secondary: #161528;
  --bg-surface-glass: rgba(22, 21, 40, 0.72);
  --bg-surface-glass-hover: rgba(30, 29, 54, 0.85);
  --bg-surface-glass-active: rgba(40, 39, 70, 0.92);
  
  /* Border & Stroke */
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glass-bright: rgba(255, 255, 255, 0.25);
  --border-glow: rgba(0, 240, 255, 0.5);

  /* Curated Neon Accents */
  --neon-cyan: #00F0FF;
  --neon-pink: #FF2E93;
  --neon-purple: #8338EC;
  --neon-gold: #FFD166;
  --neon-mint: #06D6A0;
  --neon-coral: #FF6B35;
  --neon-white: #FFFFFF;
  --neon-charcoal: #2A2A38;

  /* Text Colors */
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --text-accent: #00F0FF;

  /* Glassmorphism & Elevation */
  --glass-blur: blur(16px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --glass-shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.25);
  --glass-radius: 16px;
  --glass-radius-pill: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   LIGHT THEME MODE (Studio Paper / Clean Canvas)
   ========================================================================== */
body.theme-light {
  --bg-primary: #F8F9FA;
  --bg-secondary: #FFFFFF;
  --bg-surface-glass: rgba(255, 255, 255, 0.88);
  --bg-surface-glass-hover: rgba(255, 255, 255, 0.96);
  --bg-surface-glass-active: rgba(243, 244, 246, 0.98);
  
  --border-glass: rgba(0, 0, 0, 0.1);
  --border-glass-bright: rgba(0, 0, 0, 0.18);
  --border-glow: rgba(37, 99, 235, 0.4);

  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --text-accent: #2563EB;

  --glass-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --glass-shadow-glow: 0 10px 30px -5px rgba(37, 99, 235, 0.15);
}

body.theme-light #background-layer {
  background-color: #F8F9FA;
  background: radial-gradient(circle at 50% 50%, #FFFFFF 0%, #EEF2F6 100%);
}

body.theme-light .bg-vignette {
  background: radial-gradient(circle at center, transparent 70%, rgba(0, 0, 0, 0.04) 100%);
}

body.theme-light .bg-grid {
  background-image: 
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

body.theme-light .tool-btn,
body.theme-light .brush-btn,
body.theme-light .action-btn,
body.theme-light .size-btn,
body.theme-light .icon-btn {
  color: #374151;
}

body.theme-light .tool-btn:hover,
body.theme-light .brush-btn:hover,
body.theme-light .action-btn:hover,
body.theme-light .size-btn:hover,
body.theme-light .icon-btn:hover {
  color: #111827;
  background: rgba(0, 0, 0, 0.05);
}

body.theme-light .tool-btn.active,
body.theme-light .brush-btn.active,
body.theme-light .size-btn.active {
  color: #2563EB;
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.4);
}

body.theme-light .blend-pill-btn {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.25);
  color: #2563EB;
}

body.theme-light .blend-glow-dot {
  background: #2563EB;
  box-shadow: 0 0 8px #2563EB;
}

body.theme-light .ai-modify-pill-btn {
  background: rgba(5, 150, 105, 0.08);
  border-color: rgba(5, 150, 105, 0.25);
  color: #059669;
}

body.theme-light .ai-modify-dot {
  background: #059669;
  box-shadow: 0 0 8px #059669;
}

body.theme-light .prompt-input {
  background: rgba(0, 0, 0, 0.04);
  color: #111827;
  border-color: rgba(0, 0, 0, 0.1);
}

body.theme-light .prompt-input:focus {
  background: #FFFFFF;
  border-color: #2563EB;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

body.theme-light .prompt-send-btn {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  color: #FFFFFF;
}

body.theme-light .brush-size-slider {
  background: rgba(0, 0, 0, 0.12);
}

body.theme-light .color-swatch {
  border: 2px solid rgba(0, 0, 0, 0.12);
}

body.theme-light .color-swatch.active {
  border-color: #111827;
  box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px #2563EB;
}

/* Header & Brand in Light Theme */
body.theme-light .header-glass {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

body.theme-light .brand-title {
  background: linear-gradient(135deg, #111827 0%, #2563EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.theme-light .brand-tagline {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: #4B5563;
}

body.theme-light .tag-model {
  color: #2563EB;
}

body.theme-light .tag-asr {
  color: #DC2626;
}

/* Voice Pill & Mic Button in Light Theme */
body.theme-light .voice-pill {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

body.theme-light .mic-toggle-btn {
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #374151;
}

body.theme-light .mic-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #111827;
}

body.theme-light .voice-pill.state-idle .voice-status-text {
  color: #6B7280;
}

body.theme-light .voice-mode-badge {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #4B5563;
}

body.theme-light .icon-btn {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #374151;
}

body.theme-light .icon-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #111827;
}

body.theme-light .theme-toggle-btn {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #374151;
}

body.theme-light .theme-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #111827;
}

/* Voice Active States in Light Theme */
body.theme-light .voice-pill.state-listening {
  background: rgba(236, 253, 245, 0.95);
  border-color: #059669;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.2);
}

body.theme-light .voice-pill.state-listening .mic-toggle-btn {
  background: #059669;
  color: #FFFFFF;
  border-color: #059669;
}

body.theme-light .voice-pill.state-listening .voice-status-text {
  color: #059669;
}

body.theme-light .voice-pill.state-listening .soundwave-container .bar {
  background: #059669;
}

body.theme-light .voice-pill.state-processing {
  background: rgba(239, 246, 255, 0.95);
  border-color: #2563EB;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2);
}

body.theme-light .voice-pill.state-processing .mic-toggle-btn {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

body.theme-light .voice-pill.state-processing .voice-status-text {
  color: #2563EB;
}

body.theme-light .voice-pill.state-processing .spinner-ring {
  border-color: rgba(37, 99, 235, 0.2);
  border-top-color: #2563EB;
}

/* Notifications & Captions in Light Theme */
body.theme-light .toast-pill {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #111827;
  box-shadow: 0 10px 30px -4px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
}

body.theme-light .transcript-glass-pill {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(37, 99, 235, 0.3);
  box-shadow: 0 10px 30px -4px rgba(0, 0, 0, 0.1), 0 0 15px rgba(37, 99, 235, 0.08);
}

body.theme-light .transcript-text {
  color: #111827;
}

body.theme-light .manual-input-glass {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body.theme-light .manual-input-glass:focus-within {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15);
  background: #FFFFFF;
}

body.theme-light .input-icon {
  color: #D97706;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  height: var(--app-height, 100vh);
  height: 100dvh;
  min-height: -webkit-fill-available;
  overflow: hidden;
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app-container {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: var(--app-height, 100vh);
  height: 100dvh;
  min-height: -webkit-fill-available;
  overflow: hidden;
}

/* ==========================================================================
   4-LAYER CANVAS STACK ARCHITECTURE
   ========================================================================== */
.canvas-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Layer 1: Base Background */
#background-layer {
  z-index: 1;
  background-color: var(--bg-primary);
  background: radial-gradient(circle at 50% 50%, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  pointer-events: none;
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 40%, rgba(5, 5, 10, 0.8) 100%);
  pointer-events: none;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* Layer 2: AI Painting Canvas Container (Underlay) */
#ai-canvas-container {
  z-index: 2;
  pointer-events: none;
  background: transparent;
}

#ai-canvas-container canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: transparent;
}

/* Layer 3: User Drawing Canvas (Interactive Surface - Always Draws Over AI Art!) */
#drawing-canvas {
  z-index: 3;
  touch-action: none;
  cursor: crosshair;
  background: transparent;
}

/* Layer 4: UI Overlay Container */
.ui-layer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: var(--app-height, 100vh);
  height: 100dvh;
  min-height: -webkit-fill-available;
  z-index: 10;
  pointer-events: none; /* Allows drawing through UI overlay gaps */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
}

/* Enable pointer events on interactive UI components */
.ui-layer button,
.ui-layer input,
.ui-layer a,
.ui-layer .floating-toolbar,
.ui-layer .header-glass,
.ui-layer .transcript-glass-pill,
.ui-layer .manual-input-glass,
.ui-layer .bottom-controls-container,
.ui-layer .custom-color-wrapper {
  pointer-events: auto;
}

/* ==========================================================================
   AI ACTIVITY FEEDBACK (Viewport Shimmer & Celebration Sparkles)
   ========================================================================== */
.shimmer-border {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9;
  opacity: 0;
  transition: opacity var(--transition-normal);
  box-shadow: inset 0 0 0 0 transparent;
}

.shimmer-border.active {
  opacity: 1;
  animation: border-shimmer 2.2s infinite ease-in-out;
}

@keyframes border-shimmer {
  0% {
    box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.4), inset 0 0 50px rgba(0, 240, 255, 0.15);
  }
  50% {
    box-shadow: inset 0 0 45px rgba(255, 46, 147, 0.5), inset 0 0 90px rgba(131, 56, 236, 0.25);
  }
  100% {
    box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.4), inset 0 0 50px rgba(0, 240, 255, 0.15);
  }
}

/* Celebration Sparkle Particles Container */
.sparkle-burst-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 11;
  overflow: hidden;
}

.sparkle-particle {
  position: absolute;
  font-size: 20px;
  animation: sparkle-float 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  pointer-events: none;
  filter: drop-shadow(0 0 8px rgba(255, 209, 102, 0.8));
}

@keyframes sparkle-float {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(0.5) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: translate(var(--tx), var(--ty)) scale(1.4) rotate(180deg);
  }
  100% {
    opacity: 0;
    transform: translate(calc(var(--tx) * 1.5), calc(var(--ty) - 60px)) scale(0.2) rotate(360deg);
  }
}

/* ==========================================================================
   AI TARGET REGION BOUNDING BOX OVERLAY (Square Marking Drawer)
   ========================================================================== */
.target-box-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 12;
}

.active-target-box {
  position: absolute;
  pointer-events: none;
  border: 2px dashed var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.3), inset 0 0 20px rgba(0, 240, 255, 0.05);
  border-radius: 4px;
  user-select: none;
}

body.theme-light .active-target-box {
  border: 2px dashed #2563EB;
  background: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.25), inset 0 0 20px rgba(37, 99, 235, 0.04);
}

.active-target-box.hidden {
  display: none !important;
}

.target-box-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--neon-cyan);
}

body.theme-light .target-box-corner {
  background: #2563EB;
  box-shadow: 0 0 6px rgba(37, 99, 235, 0.6);
}

.target-box-corner.tl { top: -4px; left: -4px; }
.target-box-corner.tr { top: -4px; right: -4px; }
.target-box-corner.bl { bottom: -4px; left: -4px; }
.target-box-corner.br { bottom: -4px; right: -4px; }

.target-box-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.6;
}

.target-box-crosshair::before,
.target-box-crosshair::after {
  content: '';
  position: absolute;
  background: var(--neon-cyan);
}

body.theme-light .target-box-crosshair::before,
body.theme-light .target-box-crosshair::after {
  background: #2563EB;
}

.target-box-crosshair::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.target-box-crosshair::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.target-box-badge {
  position: absolute;
  pointer-events: auto;
  top: -34px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 4px 10px 4px 8px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  user-select: none;
}

body.theme-light .target-box-badge {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #111827;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.target-box-badge .badge-icon {
  font-size: 12px;
}

.target-box-badge .badge-label {
  letter-spacing: -0.01em;
}

.target-box-badge .badge-dims {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
}

body.theme-light .target-box-badge .badge-dims {
  background: rgba(0, 0, 0, 0.05);
  color: #4B5563;
}

.target-box-clear-btn {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 2px;
  transition: all var(--transition-fast);
}

body.theme-light .target-box-clear-btn {
  background: rgba(0, 0, 0, 0.08);
  color: #4B5563;
}

.target-box-clear-btn:hover {
  background: #DC2626 !important;
  color: #FFFFFF !important;
  transform: scale(1.15);
}

/* Move Tool / Transform Box Variations */
.active-target-box.is-move-tool {
  pointer-events: auto;
  border-color: #F59E0B;
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.35), inset 0 0 20px rgba(245, 158, 11, 0.05);
  cursor: grab;
}

body.theme-light .active-target-box.is-move-tool {
  border-color: #D97706;
  background: rgba(217, 119, 6, 0.08);
  box-shadow: 0 0 16px rgba(217, 119, 6, 0.25);
}

.active-target-box.is-move-tool:active,
.active-target-box.is-dragging {
  cursor: grabbing !important;
  border-style: solid;
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.6);
}

.active-target-box.is-move-tool .target-box-corner {
  background: #F59E0B;
  box-shadow: 0 0 8px #F59E0B;
}

body.theme-light .active-target-box.is-move-tool .target-box-corner {
  background: #D97706;
  box-shadow: 0 0 8px rgba(217, 119, 6, 0.6);
}

.active-target-box.is-move-tool .target-box-crosshair::before,
.active-target-box.is-move-tool .target-box-crosshair::after {
  background: #F59E0B;
}

body.theme-light .active-target-box.is-move-tool .target-box-crosshair::before,
body.theme-light .active-target-box.is-move-tool .target-box-crosshair::after {
  background: #D97706;
}

/* Dynamic Layer & Object Picker Selector */
.layer-picker-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin: 0 4px;
}

.layer-picker-wrapper.hidden {
  display: none !important;
}

.layer-picker-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(245, 158, 11, 0.22);
  border: 1px solid rgba(245, 158, 11, 0.6);
  color: #FBBF24;
  border-radius: 12px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

body.theme-light .layer-picker-btn {
  background: rgba(217, 119, 6, 0.12);
  border-color: rgba(217, 119, 6, 0.45);
  color: #B45309;
}

.layer-picker-btn:hover {
  background: rgba(245, 158, 11, 0.35);
  border-color: #F59E0B;
}

.layer-picker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #F59E0B;
  box-shadow: 0 0 6px #F59E0B;
  flex-shrink: 0;
}

.layer-picker-label {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-picker-chevron {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.layer-picker-btn.open .layer-picker-chevron {
  transform: rotate(180deg);
}

.layer-picker-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  max-width: 300px;
  background: rgba(18, 17, 34, 0.96);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  padding: 5px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 2px;
  animation: fadeIn 0.15s ease-out;
}

body.theme-light .layer-picker-menu {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(217, 119, 6, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.layer-picker-menu.hidden {
  display: none !important;
}

.layer-picker-header {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 4px 8px 3px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 2px;
}

body.theme-light .layer-picker-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.layer-picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.layer-picker-item:hover {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
}

body.theme-light .layer-picker-item:hover {
  background: rgba(217, 119, 6, 0.1);
  color: #B45309;
}

.layer-picker-item.active {
  background: rgba(245, 158, 11, 0.25);
  color: #F59E0B;
  font-weight: 600;
}

body.theme-light .layer-picker-item.active {
  background: rgba(217, 119, 6, 0.15);
  color: #D97706;
}

.layer-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.layer-item-tag {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.25);
  color: #FBBF24;
  font-weight: 700;
}

.layer-item-check {
  font-size: 11px;
  color: #F59E0B;
}

.layer-item-shuffle-btns {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 4px;
}

.layer-shuffle-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 9px;
  width: 19px;
  height: 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  line-height: 1;
}

body.theme-light .layer-shuffle-btn {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.12);
  color: #555;
}

.layer-shuffle-btn:hover:not(:disabled) {
  background: #F59E0B;
  color: #000;
  border-color: #F59E0B;
}

.layer-shuffle-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

/* Floating Ghost Canvas during Move Drag */
.move-ghost-canvas {
  position: absolute;
  pointer-events: none;
  z-index: 15;
  opacity: 0.94;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(245, 158, 11, 0.6);
  border-radius: 4px;
}

.move-ghost-canvas.hidden {
  display: none !important;
}

/* Layer Pan Indicator Banner */
.layer-pan-indicator {
  position: absolute;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: auto;
  z-index: 14;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--glass-shadow);
  user-select: none;
}

body.theme-light .layer-pan-indicator {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #111827;
}

.layer-pan-indicator.hidden {
  display: none !important;
}

.pan-icon {
  color: #F59E0B;
  font-size: 13px;
}

.pan-reset-btn {
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

body.theme-light .pan-reset-btn {
  background: rgba(0, 0, 0, 0.05);
}

.pan-reset-btn:hover {
  background: #DC2626 !important;
  color: #FFFFFF !important;
  border-color: #DC2626 !important;
}

/* ==========================================================================
   PARENT GROUP BOUNDING BOX (Group / Multi-Piece Isolation Mode)
   ========================================================================== */
.parent-group-bounding-box {
  position: absolute;
  pointer-events: none;
  border: 1.5px dashed rgba(0, 240, 255, 0.45);
  background: rgba(0, 240, 255, 0.02);
  border-radius: 8px;
  z-index: 45;
  transition: width 0.05s ease-out, height 0.05s ease-out, left 0.05s ease-out, top 0.05s ease-out;
}

body.theme-light .parent-group-bounding-box {
  border-color: rgba(37, 99, 235, 0.45);
  background: rgba(37, 99, 235, 0.02);
}

.parent-group-bounding-box.hidden {
  display: none !important;
}

.group-badge {
  position: absolute;
  top: -24px;
  left: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--neon-cyan);
  background: rgba(14, 18, 28, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(0, 240, 255, 0.3);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body.theme-light .group-badge {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(37, 99, 235, 0.3);
  color: #2563eb;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   INTERACTIVE PIECE & SUBLAYER SELECTION BOX
   ========================================================================== */
.canvas-selection-box {
  position: absolute;
  pointer-events: auto;
  border: 2px solid var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  border-radius: 6px;
  cursor: grab;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.35), inset 0 0 12px rgba(0, 240, 255, 0.06);
  user-select: none;
  touch-action: none;
  z-index: 50;
  animation: fadeIn 0.15s ease-out;
}

body.theme-light .canvas-selection-box {
  border-color: #2563EB;
  background: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.3), inset 0 0 12px rgba(37, 99, 235, 0.05);
}

.canvas-selection-box.is-dragging {
  cursor: grabbing !important;
  border-color: #00FFCC;
  box-shadow: 0 0 24px rgba(0, 255, 204, 0.5), inset 0 0 16px rgba(0, 255, 204, 0.15);
}

.canvas-selection-box.hidden {
  display: none !important;
}

/* Corner anchor handles */
.canvas-selection-box .sel-corner {
  position: absolute;
  width: 9px;
  height: 9px;
  background: #ffffff;
  border: 2px solid var(--neon-cyan);
  border-radius: 2px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

body.theme-light .canvas-selection-box .sel-corner {
  border-color: #2563EB;
}

.canvas-selection-box .sel-corner.tl { top: -5px; left: -5px; }
.canvas-selection-box .sel-corner.tr { top: -5px; right: -5px; }
.canvas-selection-box .sel-corner.bl { bottom: -5px; left: -5px; }
.canvas-selection-box .sel-corner.br { bottom: -5px; right: -5px; }

/* Floating action toolbar right above selected piece */
.selection-action-bar {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 18, 28, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(0, 240, 255, 0.4);
  padding: 4px 10px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 12px rgba(0, 240, 255, 0.2);
  white-space: nowrap;
  pointer-events: auto;
  z-index: 60;
  user-select: none;
}

body.theme-light .selection-action-bar {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15), 0 0 12px rgba(37, 99, 235, 0.15);
}

.selection-tag-icon {
  font-size: 13px;
}

.selection-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--neon-cyan);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.theme-light .selection-label {
  color: #2563EB;
}

.selection-action-buttons {
  display: flex;
  align-items: center;
  gap: 5px;
}

.selection-action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

body.theme-light .selection-action-btn {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
  color: #1a1a24;
}

.selection-action-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.selection-action-btn.deconstruct-btn {
  background: rgba(0, 240, 255, 0.14);
  border-color: rgba(0, 240, 255, 0.35);
  color: #00f0ff;
}

.selection-action-btn.deconstruct-btn:hover {
  background: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.35);
  color: #ffffff;
}

body.theme-light .selection-action-btn.deconstruct-btn {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.3);
  color: #2563eb;
}

body.theme-light .selection-action-btn.deconstruct-btn:hover {
  background: rgba(37, 99, 235, 0.22);
}

.selection-action-btn.delete-btn {
  background: rgba(255, 60, 60, 0.16);
  border-color: rgba(255, 60, 60, 0.4);
  color: #ff5c7c;
}

.selection-action-btn.delete-btn:hover {
  background: rgba(255, 60, 60, 0.35);
  border-color: rgba(255, 60, 60, 0.7);
  color: #ffffff;
}

.selection-action-btn.close-btn {
  padding: 3px 7px;
  border-radius: 50%;
  color: var(--text-muted);
}

.selection-action-btn.close-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   TOP HEADER & STATUS BAR
   ========================================================================== */
.header-glass {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  margin: 16px 20px 0;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon {
  font-size: 20px;
  line-height: 1;
  filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.6));
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: var(--glass-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tag-model {
  color: var(--neon-cyan);
  font-weight: 500;
}

.tag-separator {
  opacity: 0.4;
}

.tag-asr {
  color: var(--neon-pink);
  font-weight: 500;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Icon Buttons */
.icon-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: var(--border-glass-bright);
}

/* ==========================================================================
   VOICE ACTIVITY INDICATOR PILL
   ========================================================================== */
.voice-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  background: rgba(18, 17, 32, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: var(--glass-radius-pill);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.voice-pill:active,
.voice-pill.btn-pressed {
  transform: scale(0.97);
}

.mic-toggle-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mic-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.mic-toggle-btn:active,
.mic-toggle-btn.btn-pressed {
  transform: scale(0.92);
}

.mic-icon,
.mic-icon * {
  pointer-events: none;
}

.voice-status-text {
  pointer-events: none;
}

.mic-icon-off {
  display: block;
}
.mic-icon-on {
  display: none;
}

/* Soundwave Equalizer Bars */
.soundwave-container {
  display: none;
  align-items: center;
  gap: 3px;
  height: 16px;
}

.soundwave-container .bar {
  width: 3px;
  height: 6px;
  background: var(--neon-mint);
  border-radius: 2px;
  animation: eq-bar 1s ease-in-out infinite alternate;
}

.soundwave-container .bar-1 { animation-delay: 0.1s; }
.soundwave-container .bar-2 { animation-delay: 0.3s; }
.soundwave-container .bar-3 { animation-delay: 0.2s; }
.soundwave-container .bar-4 { animation-delay: 0.4s; }

@keyframes eq-bar {
  0% { height: 4px; }
  100% { height: 16px; }
}

/* Processing Spinner Ring */
.spinner-ring {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 240, 255, 0.2);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin-ring 0.8s linear infinite;
}

@keyframes spin-ring {
  to { transform: rotate(360deg); }
}

.voice-status-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.voice-mode-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  pointer-events: auto;
  user-select: none;
}

.voice-mode-badge:hover {
  background: rgba(168, 85, 247, 0.25);
  border-color: rgba(168, 85, 247, 0.6);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}

.voice-mode-badge .asr-badge-gear {
  opacity: 0.75;
  transition: transform 0.3s ease;
}

.voice-mode-badge:hover .asr-badge-gear {
  transform: rotate(45deg);
  opacity: 1;
}

.voice-mode-badge.badge-assembly {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border-color: rgba(168, 85, 247, 0.35);
}

.voice-mode-badge.badge-moonshine {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.3);
}

.voice-mode-badge.badge-webspeech {
  background: rgba(6, 214, 160, 0.12);
  color: var(--neon-mint);
  border-color: rgba(6, 214, 160, 0.3);
}

/* Voice Pill States */
.voice-pill.state-idle {
  border-color: var(--border-glass);
}

.voice-pill.state-listening {
  border-color: rgba(6, 214, 160, 0.5);
  box-shadow: 0 0 15px rgba(6, 214, 160, 0.25);
}
.voice-pill.state-listening .mic-toggle-btn {
  background: var(--neon-mint);
  color: #0d0d14;
  border-color: var(--neon-mint);
  box-shadow: 0 0 10px rgba(6, 214, 160, 0.6);
}
.voice-pill.state-listening .mic-icon-off { display: none; }
.voice-pill.state-listening .mic-icon-on { display: block; }
.voice-pill.state-listening .soundwave-container { display: flex; }
.voice-pill.state-listening .voice-status-text { color: var(--neon-mint); }

.voice-pill.state-processing {
  border-color: rgba(0, 240, 255, 0.6);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
}
.voice-pill.state-processing .spinner-ring { display: block; }
.voice-pill.state-processing .voice-status-text { color: var(--neon-cyan); }
.voice-pill.state-processing .mic-toggle-btn {
  background: rgba(0, 240, 255, 0.2);
  color: var(--neon-cyan);
}

/* ==========================================================================
   LIVE TRANSCRIPT CAPTION OVERLAY
   ========================================================================== */
.transcript-overlay {
  align-self: center;
  margin-bottom: 12px;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: 10;
}

.transcript-overlay.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.transcript-glass-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(18, 17, 34, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--glass-radius-pill);
  box-shadow: var(--glass-shadow-glow);
  max-width: 80vw;
}

.transcript-icon {
  font-size: 16px;
  animation: pulse-glow 1.5s infinite alternate;
}

@keyframes pulse-glow {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px var(--neon-pink)); }
  100% { transform: scale(1.15); filter: drop-shadow(0 0 8px var(--neon-pink)); }
}

.transcript-text {
  font-size: 14px;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   BOTTOM CONTROLS CONTAINER (Manual Input Bar & Floating Toolbar)
   ========================================================================== */
.bottom-controls-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  pointer-events: none;
  margin-bottom: max(12px, env(safe-area-inset-bottom, 12px));
  gap: 8px;
  flex-shrink: 0;
  padding: 0 12px;
}

.bottom-controls-container > * {
  pointer-events: auto;
}

/* ==========================================================================
   FALLBACK MANUAL TEXT INPUT BAR
   ========================================================================== */
.manual-input-bar {
  align-self: center;
  position: relative;
  width: 100%;
  max-width: 580px;
  padding: 0 4px;
  margin-bottom: 0;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.manual-input-glass {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 6px 16px;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--glass-radius-pill);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-fast);
}

.manual-input-glass:focus-within {
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: var(--glass-shadow-glow);
  background: var(--bg-surface-glass-hover);
}

.input-icon {
  font-size: 16px;
  color: var(--neon-gold);
}

.prompt-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  user-select: text;
  -webkit-user-select: text;
}

.prompt-input::placeholder {
  color: var(--text-muted);
}

/* History / Diagnostics Button */
.prompt-history-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--glass-radius-pill);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.prompt-history-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: rgba(0, 240, 255, 0.4);
}

.prompt-history-btn.active {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.history-count-badge {
  background: var(--neon-cyan);
  color: #080910;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  line-height: 1.2;
}

.history-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00ffaa;
  box-shadow: 0 0 6px #00ffaa;
  transition: background 0.3s, box-shadow 0.3s;
}

.history-status-dot.busy {
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
  animation: pulseDot 1s infinite alternate;
}

.history-status-dot.warning {
  background: #ffb700;
  box-shadow: 0 0 8px #ffb700;
}

.history-status-dot.error {
  background: #ff3366;
  box-shadow: 0 0 8px #ff3366;
  animation: pulseDot 0.8s infinite alternate;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 1; }
}

/* ==========================================================================
   EXPANDABLE CHAT & DIAGNOSTICS DRAWER
   ========================================================================== */
.chat-history-drawer {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  right: 0;
  max-height: 420px;
  background: rgba(14, 17, 27, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 1px rgba(0, 240, 255, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1000;
  animation: chatDrawerSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes chatDrawerSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chat-history-drawer[hidden] {
  display: none !important;
}

.chat-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.chat-history-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.chat-title-icon {
  font-size: 15px;
}

.chat-turn-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 12px;
}

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

.chat-mini-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chat-mini-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.chat-mini-btn.disabled {
  opacity: 0.7;
  border-color: rgba(255, 100, 100, 0.3);
  color: #ff9999;
}

.chat-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chat-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Chat History List */
.chat-history-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.chat-history-list::-webkit-scrollbar {
  width: 6px;
}

.chat-history-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 3px;
}

.chat-history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  gap: 8px;
}

.chat-history-empty .empty-icon {
  font-size: 28px;
  opacity: 0.6;
}

/* Individual Chat Turn Card */
.chat-turn-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.chat-turn-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.14);
}

.chat-turn-card.status-failed {
  border-color: rgba(255, 60, 60, 0.35);
  background: rgba(255, 60, 60, 0.04);
}

.chat-turn-card.status-suppressed {
  border-color: rgba(255, 183, 0, 0.3);
  background: rgba(255, 183, 0, 0.03);
}

.chat-turn-card.status-pending {
  border-color: rgba(0, 240, 255, 0.35);
  background: rgba(0, 240, 255, 0.04);
}

.chat-turn-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}

.chat-turn-meta-left {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.chat-source-tag {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  color: var(--text-secondary);
}

.chat-status-pill {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chat-status-pill.pill-completed {
  background: rgba(0, 255, 170, 0.15);
  color: #00ffaa;
  border: 1px solid rgba(0, 255, 170, 0.3);
}

.chat-status-pill.pill-pending {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.chat-status-pill.pill-suppressed {
  background: rgba(255, 183, 0, 0.15);
  color: #ffb700;
  border: 1px solid rgba(255, 183, 0, 0.3);
}

.chat-status-pill.pill-failed {
  background: rgba(255, 60, 60, 0.15);
  color: #ff4d6d;
  border: 1px solid rgba(255, 60, 60, 0.3);
}

.chat-status-pill.pill-repairing {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.45);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.chat-user-msg {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
}

.chat-ai-reply {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(0, 240, 255, 0.04);
  border-left: 2px solid var(--neon-cyan);
  padding: 6px 10px;
  border-radius: 4px 8px 8px 4px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.chat-tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(147, 51, 234, 0.15);
  color: #c084fc;
  border: 1px solid rgba(147, 51, 234, 0.3);
  padding: 2px 7px;
  border-radius: 6px;
  align-self: flex-start;
}

.chat-reason-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  line-height: 1.35;
}

.chat-reason-banner.reason-suppressed {
  background: rgba(255, 183, 0, 0.1);
  border: 1px solid rgba(255, 183, 0, 0.25);
  color: #ffca3a;
}

.chat-reason-banner.reason-failed {
  background: rgba(255, 60, 60, 0.1);
  border: 1px solid rgba(255, 60, 60, 0.25);
  color: #ff6b8b;
}

.chat-reason-banner.reason-repairing {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #d8b4fe;
}

.chat-retry-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.chat-retry-btn:hover {
  background: var(--neon-cyan);
  color: #080910;
  border-color: var(--neon-cyan);
}

.chat-code-accordion {
  margin-top: 4px;
}

.chat-code-summary {
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.chat-code-summary:hover {
  color: var(--neon-cyan);
}

.chat-code-block {
  margin-top: 6px;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: #a5f3fc;
  max-height: 120px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.prompt-send-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #00C6FF 0%, var(--neon-cyan) 100%);
  color: #0d0d14;
  border: none;
  outline: none;
  padding: 8px 16px;
  border-radius: var(--glass-radius-pill);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 240, 255, 0.35);
  transition: all var(--transition-fast);
}

.prompt-send-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.6);
  background: linear-gradient(135deg, #33D6FF 0%, #00F0FF 100%);
}

.prompt-send-btn:active {
  transform: translateY(1px);
}

/* ==========================================================================
   FLOATING GLASSMORPHIC TOOLBAR
   ========================================================================== */
.floating-toolbar {
  align-self: center;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  margin-bottom: 0;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
  max-width: calc(100vw - 24px);
  flex-shrink: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.floating-toolbar::-webkit-scrollbar {
  display: none;
}

.toolbar-segment {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-divider {
  width: 1px;
  height: 28px;
  background: var(--border-glass);
}

/* Tool Buttons (Pen & Eraser) */
.tool-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: var(--border-glass-bright);
}

.tool-btn.active {
  background: rgba(0, 240, 255, 0.18);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
}

/* p5 Blend Mode Pill */
.blend-pill-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.blend-pill-btn:hover {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.45);
  transform: translateY(-1px);
}

.blend-pill-btn:active {
  transform: translateY(1px);
}

.blend-glow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
  animation: pulse-dot 2s infinite alternate ease-in-out;
}

@keyframes pulse-dot {
  0% { transform: scale(0.85); opacity: 0.6; }
  100% { transform: scale(1.35); opacity: 1; box-shadow: 0 0 12px var(--neon-cyan); }
}

.blend-mode-label {
  display: inline-block;
}

/* AI Canvas Modify Pill */
.ai-modify-pill-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  background: rgba(6, 214, 160, 0.08);
  border: 1px solid rgba(6, 214, 160, 0.3);
  color: var(--neon-mint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.ai-modify-pill-btn:hover {
  background: rgba(6, 214, 160, 0.18);
  border-color: var(--neon-mint);
  box-shadow: 0 0 12px rgba(6, 214, 160, 0.35);
  transform: translateY(-1px);
}

.ai-modify-pill-btn:active {
  transform: translateY(1px);
}

.ai-modify-pill-btn.inactive {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-glass);
  color: var(--text-secondary);
}

.ai-modify-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon-mint);
  box-shadow: 0 0 8px var(--neon-mint);
}

.ai-modify-pill-btn.inactive .ai-modify-dot {
  background: var(--text-secondary);
  box-shadow: none;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  font-size: 16px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-surface-glass-hover);
  border-color: var(--border-glass-bright);
  transform: translateY(-1px);
}

.theme-icon {
  line-height: 1;
  display: inline-block;
}

body.theme-dark .theme-icon-sun {
  display: inline-block;
}
body.theme-dark .theme-icon-moon {
  display: none;
}

body.theme-light .theme-icon-sun {
  display: none;
}
body.theme-light .theme-icon-moon {
  display: inline-block;
}

/* Layers Drawer Toggle Button */
.layers-panel-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.layers-panel-btn:hover {
  background: var(--bg-surface-glass-hover);
  border-color: var(--border-glass-bright);
  transform: translateY(-1px);
}

.layers-panel-btn.active {
  background: rgba(124, 58, 237, 0.25);
  border-color: #A78BFA;
  color: #DDD6FE;
}

body.theme-light .layers-panel-btn.active {
  background: rgba(124, 58, 237, 0.15);
  border-color: #7C3AED;
  color: #5B21B6;
}

.layers-count-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.3);
  color: #C4B5FD;
}

body.theme-light .layers-count-badge {
  background: rgba(124, 58, 237, 0.15);
  color: #6D28D9;
}

/* Floating Glassmorphic Layers Panel */
.layers-panel {
  position: fixed;
  top: 74px;
  right: 20px;
  width: 320px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 160px);
  display: flex;
  flex-direction: column;
  background: rgba(18, 17, 34, 0.94);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  z-index: 50;
  overflow: hidden;
  transition: all var(--transition-normal);
  animation: slideDownLayers 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

@keyframes slideDownLayers {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.theme-light .layers-panel {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
}

.layers-panel.hidden {
  display: none !important;
}

.layers-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.theme-light .layers-panel-header {
  border-bottom-color: rgba(0, 0, 0, 0.07);
}

.layers-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.layers-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 8px;
  background: rgba(124, 58, 237, 0.25);
  color: #C4B5FD;
  font-weight: 600;
}

body.theme-light .layers-badge {
  background: rgba(124, 58, 237, 0.12);
  color: #6D28D9;
}

.layers-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  border-radius: 6px;
  line-height: 1;
  transition: all var(--transition-fast);
}

.layers-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.layers-panel-hint {
  padding: 8px 14px;
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.theme-light .layers-panel-hint {
  background: rgba(0, 0, 0, 0.02);
  border-bottom-color: rgba(0, 0, 0, 0.05);
}

.layers-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 380px;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-fast);
}

body.theme-light .layer-row {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.06);
}

.layer-row:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

body.theme-light .layer-row:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.layer-row.is-hidden {
  opacity: 0.45;
}

.layer-row.is-user {
  border-left: 3px solid #2563EB;
}

.layer-row.is-top {
  border-left: 3px solid #10B981;
}

.layer-row.is-bottom {
  border-left: 3px solid #8B5CF6;
}

.layer-thumb-preview {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  object-fit: contain;
  flex-shrink: 0;
}

body.theme-light .layer-thumb-preview {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.layer-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.layer-title-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-meta-tag {
  font-size: 9px;
  color: var(--text-muted);
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

.layer-action-btn {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

body.theme-light .layer-action-btn {
  border-color: rgba(0, 0, 0, 0.08);
  background: rgba(0, 0, 0, 0.04);
  color: #555;
}

.layer-action-btn:hover:not(:disabled) {
  background: #7C3AED;
  color: #fff;
  border-color: #7C3AED;
}

.layer-action-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.layer-action-btn.btn-delete:hover:not(:disabled) {
  background: #EF4444;
  border-color: #EF4444;
  color: #fff;
}

.layer-action-btn.btn-vis.active {
  color: var(--text-primary);
}

.layers-panel-footer {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

body.theme-light .layers-panel-footer {
  background: rgba(0, 0, 0, 0.02);
  border-top-color: rgba(0, 0, 0, 0.06);
}

.layers-tip {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Color Swatches */
.color-segment {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--swatch-color);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.color-swatch:hover {
  transform: scale(1.18);
}

.color-swatch.active {
  transform: scale(1.18);
  border-color: #FFFFFF;
  box-shadow: 0 0 10px var(--swatch-color), inset 0 0 2px rgba(0, 0, 0, 0.5);
}

/* Custom Color Picker Swatch */
.custom-color-wrapper {
  position: relative;
  width: 26px;
  height: 26px;
  cursor: pointer;
}

.native-color-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.custom-color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.custom-color-wrapper:hover .custom-color-swatch {
  transform: scale(1.18);
  border-color: #FFFFFF;
}

.rainbow-gradient {
  width: 100%;
  height: 100%;
  background: conic-gradient(
    #FF0000, #FFFF00, #00FF00, #00FFFF, #0000FF, #FF00FF, #FF0000
  );
}

/* Brush Size Presets & Slider */
.size-preset-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.size-preset-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.size-preset-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon-cyan);
}

.dot-preview {
  background: #FFFFFF;
  border-radius: 50%;
}
.dot-fine { width: 4px; height: 4px; }
.dot-med { width: 8px; height: 8px; }
.dot-bold { width: 14px; height: 14px; }

.slider-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
}

.brush-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 70px;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.15);
  outline: none;
}

.brush-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px var(--neon-cyan);
  transition: transform var(--transition-fast);
}

.brush-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.size-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  min-width: 28px;
}

/* History, Clear & Export Actions */
.action-btn {
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: var(--border-glass-bright);
}

.action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.action-danger:hover:not(:disabled) {
  background: rgba(255, 0, 85, 0.18);
  border-color: rgba(255, 0, 85, 0.5);
  color: #FF2E93;
}

.action-export {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(131, 56, 236, 0.15) 100%);
  border-color: rgba(0, 240, 255, 0.3);
  color: var(--neon-cyan);
  padding: 0 14px;
  font-weight: 600;
}

.action-export:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.3) 0%, rgba(131, 56, 236, 0.3) 100%);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
  color: #FFFFFF;
}

/* ==========================================================================
   TOAST NOTIFICATION PILL
   ========================================================================== */
.toast-pill {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(18, 17, 34, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--glass-radius-pill);
  box-shadow: var(--glass-shadow);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  z-index: 20;
  transition: all var(--transition-normal);
}

.toast-pill.hidden {
  opacity: 0;
  transform: translate(-50%, -10px);
  pointer-events: none;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Tablets & Mobile Viewports)
   ========================================================================== */
@media (max-width: 1024px) {
  .header-glass {
    margin: 10px 14px 0;
    padding: 10px 16px;
  }
  .brand-tagline {
    display: none;
  }
  .slider-wrapper {
    display: none;
  }
  .floating-toolbar {
    padding: 6px 12px;
    gap: 8px;
    max-width: calc(100vw - 20px);
    overflow-x: auto;
  }
  .toolbar-segment {
    gap: 6px;
  }
  .tool-btn {
    width: 34px;
    height: 34px;
  }
  .color-swatch {
    width: 24px;
    height: 24px;
  }
  .bottom-controls-container {
    margin-bottom: max(8px, env(safe-area-inset-bottom, 8px));
    gap: 6px;
  }
}

@media (max-width: 600px) {
  .header-glass {
    margin: 8px 8px 0;
    padding: 8px 12px;
  }
  .brand-title {
    font-size: 14px;
  }
  .voice-mode-badge {
    padding: 2px 5px;
    font-size: 9px;
  }
  .voice-mode-badge #voice-mode-label {
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .manual-input-bar {
    padding: 0 4px;
  }
  .floating-toolbar {
    padding: 6px 8px;
    gap: 6px;
    overflow-x: auto;
    justify-content: flex-start;
  }
  .export-label {
    display: none;
  }
  .color-swatch {
    width: 22px;
    height: 22px;
  }
  .bottom-controls-container {
    margin-bottom: max(6px, env(safe-area-inset-bottom, 6px));
    gap: 4px;
  }
}

/* ========================================================================= */
/* ASR SPEECH ENGINE SETTINGS MODAL                                          */
/* ========================================================================= */

.asr-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(8, 8, 16, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  pointer-events: auto;
  opacity: 1;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.asr-modal-backdrop.hidden {
  display: none !important;
  opacity: 0;
  pointer-events: none;
}

.asr-modal {
  background: rgba(18, 20, 32, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 35px rgba(168, 85, 247, 0.15);
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  animation: modalScaleIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
  from {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.asr-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.asr-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.asr-modal-icon {
  font-size: 24px;
}

.asr-modal-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.asr-modal-subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.asr-modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.asr-modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.asr-modal-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(85vh - 140px);
  overflow-y: auto;
}

/* Provider Cards */
.asr-provider-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.asr-provider-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.asr-provider-card.selected {
  background: rgba(168, 85, 247, 0.08);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.15);
}

.asr-provider-card#asr-card-moonshine.selected {
  background: rgba(0, 240, 255, 0.07);
  border-color: rgba(0, 240, 255, 0.45);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.12);
}

.asr-provider-card#asr-card-webspeech.selected {
  background: rgba(6, 214, 160, 0.07);
  border-color: rgba(6, 214, 160, 0.45);
  box-shadow: 0 0 16px rgba(6, 214, 160, 0.12);
}

.asr-card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.asr-radio-label {
  display: inline-flex;
  align-items: center;
  margin-top: 2px;
  cursor: pointer;
}

.asr-radio {
  display: none;
}

.asr-custom-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: inline-block;
  position: relative;
  transition: all 0.2s ease;
}

.asr-radio:checked + .asr-custom-radio {
  border-color: #a855f7;
}

#asr-card-moonshine .asr-radio:checked + .asr-custom-radio {
  border-color: var(--neon-cyan);
}

#asr-card-webspeech .asr-radio:checked + .asr-custom-radio {
  border-color: var(--neon-mint);
}

.asr-radio:checked + .asr-custom-radio::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #a855f7;
}

#asr-card-moonshine .asr-radio:checked + .asr-custom-radio::after {
  background: var(--neon-cyan);
}

#asr-card-webspeech .asr-radio:checked + .asr-custom-radio::after {
  background: var(--neon-mint);
}

.asr-card-header {
  flex: 1;
}

.asr-card-name {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.asr-provider-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

.asr-provider-badge.badge-assembly {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.4);
}

.asr-provider-badge.badge-moonshine {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.35);
}

.asr-provider-badge.badge-webspeech {
  background: rgba(6, 214, 160, 0.15);
  color: var(--neon-mint);
  border: 1px solid rgba(6, 214, 160, 0.35);
}

.asr-tag-recommended {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: white;
  padding: 2px 7px;
  border-radius: 12px;
}

.asr-tag-free {
  font-size: 10px;
  font-weight: 600;
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  padding: 2px 7px;
  border-radius: 12px;
}

.asr-tag-native {
  font-size: 10px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 2px 7px;
  border-radius: 12px;
}

.asr-card-desc {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-secondary);
}

/* AssemblyAI API Key Section */
.asr-key-section {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.asr-input-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.asr-input-row {
  display: flex;
  gap: 8px;
}

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

.asr-input {
  width: 100%;
  background: rgba(10, 10, 18, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 7px 34px 7px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease;
}

.asr-input:focus {
  border-color: #a855f7;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.asr-key-toggle-btn {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  font-size: 12px;
  opacity: 0.6;
  transition: opacity 0.15s ease;
}

.asr-key-toggle-btn:hover {
  opacity: 1;
}

.asr-save-btn {
  background: #9333ea;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.asr-save-btn:hover {
  background: #a855f7;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

.asr-save-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.asr-key-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.asr-key-status .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748b;
  display: inline-block;
}

.asr-key-status.status-ready .status-dot {
  background: var(--neon-mint);
  box-shadow: 0 0 6px var(--neon-mint);
}

.asr-key-status.status-ready {
  color: var(--neon-mint);
}

.asr-key-status.status-error .status-dot {
  background: #ef4444;
  box-shadow: 0 0 6px #ef4444;
}

.asr-key-status.status-error {
  color: #f87171;
}

.asr-modal-footer {
  padding: 14px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: flex-end;
  background: rgba(255, 255, 255, 0.02);
}

.asr-apply-btn {
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.asr-apply-btn:hover {
  opacity: 0.95;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

/* Light theme overrides */
body.theme-light .asr-modal {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), 0 0 30px rgba(147, 51, 234, 0.1);
  color: #1e293b;
}

body.theme-light .asr-modal-header,
body.theme-light .asr-modal-footer {
  border-color: rgba(0, 0, 0, 0.06);
  background: rgba(0, 0, 0, 0.01);
}

body.theme-light .asr-modal-title {
  color: #0f172a;
}

body.theme-light .asr-provider-card {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.08);
}

body.theme-light .asr-provider-card:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.15);
}

body.theme-light .asr-provider-card.selected {
  background: rgba(147, 51, 234, 0.06);
  border-color: rgba(147, 51, 234, 0.4);
}

body.theme-light .asr-input {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
  color: #0f172a;
}

/* ==========================================================================
   Sublayers Segregation, Tree View & Auto-Grouping Styles
   ========================================================================== */
.layer-item-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.layer-accordion-toggle {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 9px;
  cursor: pointer;
  padding: 0;
  border-radius: 4px;
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.layer-accordion-toggle:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

body.theme-light .layer-accordion-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
}

.sublayers-pill {
  font-size: 9px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.2);
  color: #A78BFA;
  border: 1px solid rgba(124, 58, 237, 0.3);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all var(--transition-fast);
}

body.theme-light .sublayers-pill {
  background: rgba(124, 58, 237, 0.1);
  color: #6D28D9;
  border-color: rgba(124, 58, 237, 0.2);
}

.sublayers-pill:hover {
  background: rgba(124, 58, 237, 0.35);
  color: #DDD6FE;
}

.sublayers-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 3px;
  margin-left: 12px;
  padding-left: 10px;
  border-left: 2px dashed rgba(124, 58, 237, 0.3);
}

body.theme-light .sublayers-tree {
  border-left-color: rgba(124, 58, 237, 0.25);
}

.sublayer-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
  position: relative;
}

body.theme-light .sublayer-row {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.05);
}

.sublayer-row:hover {
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.25);
}

.sublayer-row.is-hidden {
  opacity: 0.4;
}

.sublayer-tree-indicator {
  font-size: 10px;
  color: var(--text-muted);
  user-select: none;
  flex-shrink: 0;
}

.sublayer-thumb {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  object-fit: contain;
  flex-shrink: 0;
}

body.theme-light .sublayer-thumb {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.sublayer-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sublayer-title-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sublayer-meta-tag {
  font-size: 9px;
  color: var(--text-muted);
}

.sublayer-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.sublayer-action-btn {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 10px;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

body.theme-light .sublayer-action-btn {
  border-color: rgba(0, 0, 0, 0.08);
  background: rgba(0, 0, 0, 0.04);
  color: #555;
}

.sublayer-action-btn:hover:not(:disabled) {
  background: #7C3AED;
  color: #fff;
  border-color: #7C3AED;
}

.sublayer-action-btn.btn-target {
  background: rgba(0, 240, 255, 0.15);
  border-color: rgba(0, 240, 255, 0.35);
  color: #00F0FF;
}

body.theme-light .sublayer-action-btn.btn-target {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(37, 99, 235, 0.35);
  color: #2563EB;
}

.sublayer-action-btn.btn-target:hover:not(:disabled) {
  background: #00F0FF;
  color: #000;
  border-color: #00F0FF;
}

body.theme-light .sublayer-action-btn.btn-target:hover:not(:disabled) {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
}

.sublayer-action-btn.btn-delete:hover:not(:disabled) {
  background: #EF4444;
  border-color: #EF4444;
  color: #fff;
}

.sublayer-action-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.layer-picker-item .is-sublayer {
  background: rgba(0, 240, 255, 0.15);
  color: #00F0FF;
  border-color: rgba(0, 240, 255, 0.3);
}

body.theme-light .layer-picker-item .is-sublayer {
  background: rgba(37, 99, 235, 0.12);
  color: #2563EB;
  border-color: rgba(37, 99, 235, 0.25);
}

/* ==========================================================================
   AI Spoken Commentary Bubble & Voice Toggle Styles
   ========================================================================== */

/* Header AI Voice Toggle Button */
.ai-speech-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

body.theme-light .ai-speech-toggle-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: #555;
}

.ai-speech-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  transform: translateY(-1px);
}

body.theme-light .ai-speech-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
  color: #111;
}

.ai-speech-toggle-btn.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.35);
  color: #00F0FF;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

body.theme-light .ai-speech-toggle-btn.active {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.3);
  color: #2563EB;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

.ai-speech-toggle-btn .speech-icon-on {
  display: inline-block;
  font-size: 13px;
}

.ai-speech-toggle-btn .speech-icon-off {
  display: none;
  font-size: 13px;
}

.ai-speech-toggle-btn:not(.active) .speech-icon-on {
  display: none;
}

.ai-speech-toggle-btn:not(.active) .speech-icon-off {
  display: inline-block;
}

.ai-speech-toggle-btn:not(.active) {
  opacity: 0.65;
}

/* Floating AI Commentary Bubble Overlay */
.ai-commentary-bubble {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 95;
  pointer-events: auto;
  max-width: 540px;
  width: calc(100% - 32px);
  animation: commentarySlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.ai-commentary-bubble.hidden {
  display: none !important;
}

.ai-commentary-bubble.fading-out {
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
  pointer-events: none;
}

@keyframes commentarySlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

.commentary-glass-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(18, 20, 29, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 240, 255, 0.15);
  color: var(--text-primary);
  position: relative;
}

body.theme-light .commentary-glass-card {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1), 0 0 20px rgba(37, 99, 235, 0.12);
  color: #1e293b;
}

/* Avatar with breathing pulse */
.commentary-avatar {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(124, 58, 237, 0.3));
  border: 1px solid rgba(0, 240, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

body.theme-light .commentary-avatar {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
  border-color: rgba(37, 99, 235, 0.3);
}

.commentary-speaking-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #00F0FF;
  opacity: 0;
  pointer-events: none;
}

body.theme-light .commentary-speaking-pulse {
  border-color: #2563EB;
}

.ai-commentary-bubble.is-speaking .commentary-speaking-pulse {
  animation: speakingPulse 1.6s infinite ease-out;
}

@keyframes speakingPulse {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  50% {
    opacity: 0.3;
  }
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

.commentary-body {
  flex: 1;
  min-width: 0;
}

.commentary-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.commentary-speaker-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.commentary-title {
  font-size: 12px;
  font-weight: 700;
  color: #00F0FF;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

body.theme-light .commentary-title {
  color: #2563EB;
}

/* Equalizer soundwave bars */
.commentary-soundwaves {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 12px;
}

.commentary-soundwaves .c-bar {
  width: 2px;
  height: 4px;
  background: #00F0FF;
  border-radius: 2px;
  transition: height 0.15s ease;
}

body.theme-light .commentary-soundwaves .c-bar {
  background: #2563EB;
}

.ai-commentary-bubble.is-speaking .commentary-soundwaves .c-bar-1 {
  animation: cWaveAnim 0.7s infinite alternate ease-in-out;
}
.ai-commentary-bubble.is-speaking .commentary-soundwaves .c-bar-2 {
  animation: cWaveAnim 0.9s infinite alternate ease-in-out 0.15s;
}
.ai-commentary-bubble.is-speaking .commentary-soundwaves .c-bar-3 {
  animation: cWaveAnim 0.6s infinite alternate ease-in-out 0.3s;
}
.ai-commentary-bubble.is-speaking .commentary-soundwaves .c-bar-4 {
  animation: cWaveAnim 0.8s infinite alternate ease-in-out 0.1s;
}

@keyframes cWaveAnim {
  0% {
    height: 3px;
  }
  100% {
    height: 12px;
  }
}

.commentary-text {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0;
  font-weight: 400;
  word-break: break-word;
}

body.theme-light .commentary-text {
  color: #1e293b;
}

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

.commentary-icon-btn {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  font-size: 12px;
  transition: all var(--transition-fast);
}

body.theme-light .commentary-icon-btn {
  border-color: rgba(0, 0, 0, 0.08);
  background: rgba(0, 0, 0, 0.04);
  color: #666;
}

.commentary-icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

body.theme-light .commentary-icon-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #111;
  border-color: rgba(0, 0, 0, 0.15);
}

/* Voice Model Quick Selector in Commentary Bubble */
.commentary-voice-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: #ddd;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.commentary-voice-select:hover,
.commentary-voice-select:focus {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

body.theme-light .commentary-voice-select {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
  color: #333;
}

body.theme-light .commentary-voice-select:hover,
body.theme-light .commentary-voice-select:focus {
  background: rgba(0, 0, 0, 0.09);
  border-color: rgba(0, 0, 0, 0.22);
  color: #111;
}

/* Modal Audio / TTS Settings Enhancements */
.modal-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.modal-section-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
  letter-spacing: 0.5px;
}

.modal-section-badge.badge-tts {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border-color: rgba(168, 85, 247, 0.35);
}

.modal-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.tts-settings-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 14px 16px;
  transition: all var(--transition-normal);
}

body.theme-light .tts-settings-card {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.08);
}

.tts-model-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.tts-engine-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.tts-anti-loop-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.tts-settings-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0 0 12px 0;
}

.tts-controls-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.tts-select-wrap {
  flex: 1;
  min-width: 200px;
}

.tts-field-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.modal-tts-voice-select {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all var(--transition-fast);
}

body.theme-light .modal-tts-voice-select {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.15);
  color: #111;
}

.modal-tts-voice-select:focus {
  border-color: #a855f7;
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.25);
}

.modal-tts-preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(168, 85, 247, 0.4);
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.modal-tts-preview-btn:hover {
  background: rgba(168, 85, 247, 0.28);
  border-color: rgba(168, 85, 247, 0.6);
  color: #fff;
}

body.theme-light .modal-tts-preview-btn {
  background: rgba(168, 85, 247, 0.1);
  color: #7e22ce;
  border-color: rgba(168, 85, 247, 0.3);
}

body.theme-light .modal-tts-preview-btn:hover {
  background: rgba(168, 85, 247, 0.2);
  color: #581c87;
}

/* ==========================================================================
   MICROPHONE PERMISSION & HTTPS GUIDANCE MODAL
   ========================================================================== */
.mic-perm-modal {
  max-width: 520px;
}

.mic-perm-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  font-size: 13px;
  line-height: 1.4;
}

.mic-perm-alert .alert-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.mic-perm-alert p {
  margin: 4px 0 10px;
  color: var(--text-secondary);
}

.tunnel-link-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tunnel-url-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #93c5fd;
  outline: none;
}

.tunnel-copy-btn,
.tunnel-open-btn {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.tunnel-copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.tunnel-copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tunnel-open-btn {
  background: rgba(0, 240, 255, 0.2);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--neon-cyan);
}

.tunnel-open-btn:hover {
  background: rgba(0, 240, 255, 0.35);
  color: #fff;
}

.perm-guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .perm-guide-cards {
    grid-template-columns: 1fr;
  }
}

.perm-guide-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 14px;
}

.perm-card-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.perm-steps-list {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.perm-steps-list li {
  margin-bottom: 6px;
}

.perm-steps-list strong {
  color: var(--text-primary);
}

.perm-tip-box {
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.perm-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.asr-cancel-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.asr-cancel-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

body.theme-light .mic-perm-alert {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
  color: #b91c1c;
}

body.theme-light .perm-guide-card {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.08);
}

body.theme-light .perm-card-badge {
  color: #0284c7;
}

body.theme-light .tunnel-url-input {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.15);
  color: #1d4ed8;
}

body.theme-light .tunnel-copy-btn {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--text-primary);
}