/* ==========================================================================
   Notepad by Notekash — Fluid Responsive CSS Design System & Theme Engine
   ========================================================================== */

/* --- Theme CSS Variables --- */
:root {
  /* Default Theme: Midnight Obsidian (Dark) */
  --bg-primary: #0B0F17;
  --bg-secondary: #131B2A;
  --bg-surface: rgba(19, 27, 42, 0.9);
  --bg-surface-glass: rgba(11, 15, 23, 0.75);
  --border-color: rgba(255, 255, 255, 0.12);
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --accent-color: #06B6D4;
  --accent-hover: #0891B2;
  --accent-glow: rgba(6, 182, 212, 0.3);
  
  /* Subtle Theme-Harmonized Highlight Variables */
  --highlight-bg-sole: rgba(6, 182, 212, 0.24);
  --highlight-bg-text-sole: #E0F2FE;
  --highlight-text: #38BDF8;

  --scrollbar-track: #0B0F17;
  --scrollbar-thumb: rgba(255, 255, 255, 0.18);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.35);
  --font-family-editor: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-ui: 'Plus Jakarta Sans', sans-serif;
  --font-family-mono: 'JetBrains Mono', monospace;
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.5), 0 8px 16px -4px rgba(0, 0, 0, 0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --header-height: 50px;
  --footer-height: 30px;
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Theme 2: Amber Gold & Obsidian Dark (Luxury Golden) */
html[data-theme="amber-gold"] {
  --bg-primary: #0E0C0A;
  --bg-secondary: #181410;
  --bg-surface: rgba(24, 20, 16, 0.92);
  --bg-surface-glass: rgba(14, 12, 10, 0.78);
  --border-color: rgba(245, 158, 11, 0.18);
  --text-main: #FDFBF7;
  --text-muted: #A3998E;
  --accent-color: #F59E0B;
  --accent-hover: #D97706;
  --accent-glow: rgba(245, 158, 11, 0.25);
  
  --highlight-bg-sole: rgba(245, 158, 11, 0.25);
  --highlight-bg-text-sole: #FEF3C7;
  --highlight-text: #FBBF24;

  --scrollbar-track: #0E0C0A;
  --scrollbar-thumb: rgba(245, 158, 11, 0.25);
  --scrollbar-thumb-hover: rgba(245, 158, 11, 0.45);
  --font-family-editor: 'Outfit', sans-serif;
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.6), 0 8px 16px -4px rgba(245, 158, 11, 0.1);
}

/* Theme 3: Cyber Emerald / Matrix Green (Dark Terminal) */
html[data-theme="matrix-green"] {
  --bg-primary: #05110B;
  --bg-secondary: #0A1F14;
  --bg-surface: rgba(10, 31, 20, 0.92);
  --bg-surface-glass: rgba(5, 17, 11, 0.8);
  --border-color: rgba(16, 185, 129, 0.22);
  --text-main: #ECFDF5;
  --text-muted: #6EE7B7;
  --accent-color: #10B981;
  --accent-hover: #059669;
  --accent-glow: rgba(16, 185, 129, 0.3);
  
  --highlight-bg-sole: rgba(16, 185, 129, 0.25);
  --highlight-bg-text-sole: #D1FAE5;
  --highlight-text: #34D399;

  --scrollbar-track: #05110B;
  --scrollbar-thumb: rgba(16, 185, 129, 0.25);
  --scrollbar-thumb-hover: rgba(16, 185, 129, 0.5);
  --font-family-editor: 'Fira Code', monospace;
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.65), 0 8px 16px -4px rgba(16, 185, 129, 0.12);
}

/* Theme 4: Velvet Midnight Violet (Premium Dark Amethyst) */
html[data-theme="midnight-violet"] {
  --bg-primary: #0F0C1B;
  --bg-secondary: #171329;
  --bg-surface: rgba(23, 19, 41, 0.92);
  --bg-surface-glass: rgba(15, 12, 27, 0.78);
  --border-color: rgba(168, 85, 247, 0.2);
  --text-main: #F5F3FF;
  --text-muted: #A78BFA;
  --accent-color: #A855F7;
  --accent-hover: #9333EA;
  --accent-glow: rgba(168, 85, 247, 0.3);
  
  --highlight-bg-sole: rgba(168, 85, 247, 0.25);
  --highlight-bg-text-sole: #F3E8FF;
  --highlight-text: #C084FC;

  --scrollbar-track: #0F0C1B;
  --scrollbar-thumb: rgba(168, 85, 247, 0.25);
  --scrollbar-thumb-hover: rgba(168, 85, 247, 0.5);
  --font-family-editor: 'Plus Jakarta Sans', sans-serif;
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.6), 0 8px 16px -4px rgba(168, 85, 247, 0.12);
}

/* Theme 5: Warm Parchment (Editorial Book) */
html[data-theme="parchment"] {
  --bg-primary: #FBF7EE;
  --bg-secondary: #F4EFE3;
  --bg-surface: rgba(244, 239, 227, 0.94);
  --bg-surface-glass: rgba(251, 247, 238, 0.78);
  --border-color: rgba(44, 40, 37, 0.14);
  --text-main: #2C2825;
  --text-muted: #786F66;
  --accent-color: #D97706;
  --accent-hover: #B45309;
  --accent-glow: rgba(217, 119, 6, 0.25);
  
  --highlight-bg-sole: #FDE68A;
  --highlight-bg-text-sole: #78350F; /* Rich Warm Roasted Espresso Amber instead of harsh black */
  --highlight-text: #B45309;

  --scrollbar-track: #FBF7EE;
  --scrollbar-thumb: rgba(44, 40, 37, 0.2);
  --scrollbar-thumb-hover: rgba(44, 40, 37, 0.4);
  --font-family-editor: 'Newsreader', 'Georgia', serif;
  --shadow-lg: 0 16px 32px -4px rgba(44, 40, 37, 0.15), 0 8px 16px -4px rgba(44, 40, 37, 0.08);
}

/* Theme 6: Nordic Light Studio Theme */
html[data-theme="nordic"] {
  --bg-primary: #F8F9FA;
  --bg-secondary: #FFFFFF;
  --bg-surface: rgba(255, 255, 255, 0.94);
  --bg-surface-glass: rgba(248, 249, 250, 0.78);
  --border-color: rgba(15, 23, 42, 0.1);
  --text-main: #0F172A;
  --text-muted: #64748B;
  --accent-color: #4F46E5;
  --accent-hover: #4338CA;
  --accent-glow: rgba(79, 70, 229, 0.25);
  
  --highlight-bg-sole: #C7D2FE;
  --highlight-bg-text-sole: #1E1B4B; /* Deep Studio Navy Blue */
  --highlight-text: #4338CA;

  --scrollbar-track: #F8F9FA;
  --scrollbar-thumb: rgba(15, 23, 42, 0.15);
  --scrollbar-thumb-hover: rgba(15, 23, 42, 0.35);
  --font-family-editor: 'Inter', sans-serif;
  --shadow-lg: 0 16px 32px -4px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
}

/* --- 18 Unique Font Families --- */
html[data-font-family="caveat"] .editor-content { font-family: 'Caveat', cursive, sans-serif !important; line-height: 1.6; }
html[data-font-family="dancing"] .editor-content { font-family: 'Dancing Script', cursive, sans-serif !important; line-height: 1.75; }
html[data-font-family="pacifico"] .editor-content { font-family: 'Pacifico', cursive, sans-serif !important; line-height: 1.8; }
html[data-font-family="sacramento"] .editor-content { font-family: 'Sacramento', cursive, sans-serif !important; line-height: 1.8; }

html[data-font-family="playfair"] .editor-content { font-family: 'Playfair Display', Georgia, serif !important; }
html[data-font-family="newsreader"] .editor-content { font-family: 'Newsreader', Georgia, serif !important; }
html[data-font-family="cinzel"] .editor-content { font-family: 'Cinzel', Georgia, serif !important; letter-spacing: 0.04em; }
html[data-font-family="merriweather"] .editor-content { font-family: 'Merriweather', Georgia, serif !important; }

html[data-font-family="inter"] .editor-content { font-family: 'Inter', sans-serif !important; }
html[data-font-family="outfit"] .editor-content { font-family: 'Outfit', sans-serif !important; }
html[data-font-family="jakarta"] .editor-content { font-family: 'Plus Jakarta Sans', sans-serif !important; }
html[data-font-family="space"] .editor-content { font-family: 'Space Grotesk', sans-serif !important; }
html[data-font-family="montserrat"] .editor-content { font-family: 'Montserrat', sans-serif !important; }

html[data-font-family="robotomono"] .editor-content { font-family: 'Roboto Mono', monospace !important; }
html[data-font-family="firacode"] .editor-content { font-family: 'Fira Code', monospace !important; }
html[data-font-family="jetbrains"] .editor-content { font-family: 'JetBrains Mono', monospace !important; }

html[data-font-family="syne"] .editor-content { font-family: 'Syne', sans-serif !important; }
html[data-font-family="bebas"] .editor-content { font-family: 'Bebas Neue', sans-serif !important; letter-spacing: 0.08em; }

/* --- 12 Precise Font Sizes --- */
html[data-font-size="8px"] .editor-content { font-size: 0.5rem !important; line-height: 1.4 !important; }
html[data-font-size="10px"] .editor-content { font-size: 0.625rem !important; line-height: 1.45 !important; }
html[data-font-size="12px"] .editor-content { font-size: 0.75rem !important; line-height: 1.5 !important; }
html[data-font-size="14px"] .editor-content { font-size: 0.875rem !important; line-height: 1.6 !important; }
html[data-font-size="15px"] .editor-content { font-size: 0.9375rem !important; line-height: 1.65 !important; }
html[data-font-size="16px"] .editor-content { font-size: 1rem !important; line-height: 1.7 !important; }
html[data-font-size="18px"] .editor-content { font-size: 1.125rem !important; line-height: 1.75 !important; }
html[data-font-size="20px"] .editor-content { font-size: 1.25rem !important; line-height: 1.8 !important; }
html[data-font-size="22px"] .editor-content { font-size: 1.375rem !important; line-height: 1.8 !important; }
html[data-font-size="24px"] .editor-content { font-size: 1.5rem !important; line-height: 1.85 !important; }
html[data-font-size="28px"] .editor-content { font-size: 1.75rem !important; line-height: 1.9 !important; }
html[data-font-size="32px"] .editor-content { font-size: 2rem !important; line-height: 1.95 !important; }

/* --- Theme-Sensitive Scrollbars --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

/* --- Global Resets --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
}

/* --- Translucent Glassmorphic Fixed Overlay Header --- */
.header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  user-select: none;
  transition: transform var(--transition-normal), background var(--transition-normal);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

/* Crisp Native Theme-Sensitive Brand Logo & Dynamic Gradient Text */
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  cursor: default;
  user-select: none;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--accent-color);
  box-shadow: 0 2px 8px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.brand:hover .brand-logo-wrap {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.brand-icon {
  width: 15px;
  height: 15px;
}

.brand-name {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--text-main) 35%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- In-Editor Seamless Title Input & Partition Line --- */
.doc-title-header {
  margin: 2px 0 8px 0;
  width: 100%;
  position: relative;
}

.doc-title-editor-input,
.doc-title-editor-input:focus,
.doc-title-editor-input:hover,
.doc-title-editor-input:active,
.doc-title-editor-input:focus-visible {
  width: 100%;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
  background: transparent !important;
  font-family: inherit;
  font-size: 1.18em;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--text-main);
  text-align: left;
  padding: 0 0 4px 0;
  border-bottom: 1px solid var(--border-color) !important;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.doc-title-editor-input::placeholder {
  color: var(--text-muted);
  opacity: 0.35;
  font-weight: 600;
}

.doc-title-editor-input:focus {
  border-bottom-color: var(--accent-color) !important;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* --- Tactile Responsive Micro-Interactions & Active States --- */
.btn-icon, .btn-icon-sm, .btn-sm, .btn-icon-xs {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  font-family: var(--font-family-ui);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-icon {
  width: 34px;
  height: 34px;
}

.btn-icon:hover {
  background: var(--border-color);
  color: var(--text-main);
}

.btn-icon:active, .btn-icon-sm:active, .btn-sm:active, .btn-accent-sm:active, .fmt-btn:active {
  transform: scale(0.91);
}

.btn-icon-sm {
  width: 26px;
  height: 26px;
  font-size: 0.8rem;
}

.btn-icon-sm:hover {
  background: var(--border-color);
  color: var(--text-main);
}

.btn-icon-xs {
  width: 22px;
  height: 22px;
  opacity: 0.75;
}

.btn-icon-xs:hover {
  opacity: 1;
  color: var(--text-main);
  background: var(--border-color);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-sm);
}

.btn-sm:hover {
  background: var(--accent-color);
  color: #FFF;
}

.btn-accent-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  background: var(--accent-color);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-accent-sm:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.icon {
  width: 17px;
  height: 17px;
}

.icon-sm {
  width: 14px;
  height: 14px;
}

.icon-xs {
  width: 13px;
  height: 13px;
}

.divider {
  width: 1px;
  height: 16px;
  background: var(--border-color);
  margin: 0 4px;
}

/* --- Workspace & Fluid Wide-Screen Editor --- */
.workspace {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  width: 100%;
  height: 100%;
}

.editor-pane {
  flex: 1;
  height: 100%;
  overflow-y: auto;
  padding: calc(var(--header-height) + 8px) 24px calc(var(--footer-height) + 24px) 24px;
  position: relative;
  transition: flex var(--transition-normal);
}

.editor-inner {
  width: 100%;
  max-width: clamp(720px, 94vw, 1380px);
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.editor-content {
  flex: 1;
  min-height: 85vh;
  outline: none;
  font-family: var(--font-family-editor);
  font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.28rem);
  line-height: 1.75;
  color: var(--text-main);
  tab-size: 2;
  white-space: pre-wrap;
  word-break: break-word;
  transition: font-size var(--transition-fast), font-family var(--transition-fast);
}

.editor-content:empty:before {
  content: attr(placeholder);
  color: var(--text-muted);
  opacity: 0.45;
  pointer-events: none;
}

/* --- Immersive Focus Mode --- */
.focus-active .header, .focus-active .footer {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.focus-active .footer {
  transform: translateY(100%);
}

.focus-active .editor-pane {
  padding-top: 8vh;
}

.focus-active .editor-pane::-webkit-scrollbar,
.focus-active ::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.focus-active .editor-pane,
.focus-active * {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

/* --- Smart 60% / 40% Responsive Scratchpad Workspace Layout --- */
.workspace {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 100%;
}

.scratchpad-active .editor-pane {
  flex: 0 0 60% !important;
  max-width: 60% !important;
}

.scratchpad-pane {
  flex: 0 0 40%;
  width: 40%;
  max-width: 40%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-left: 1.5px solid var(--border-color);
  box-shadow: -4px 0 25px rgba(0, 0, 0, 0.2);
  transition: flex 0.25s cubic-bezier(0.16, 1, 0.3, 1), width 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  z-index: 10;
}

.scratchpad-pane.hidden {
  display: none !important;
}

.scratchpad-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  margin-top: var(--header-height);
  background: var(--bg-surface-glass);
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

.scratchpad-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 0.02em;
}

.scratchpad-body {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  margin-bottom: var(--footer-height);
  cursor: text;
}

.scratchpad-content {
  flex: 1;
  min-height: 100%;
  outline: none;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-main);
  overflow-y: auto;
}

/* --- 3D Tactile Non-Animated Navigation FAB Button --- */
.fab-container {
  position: fixed;
  bottom: 40px;
  right: 20px;
  z-index: 250;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.fab-trigger {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
  color: var(--accent-color);
  box-shadow: 
    0 8px 16px rgba(0, 0, 0, 0.45),
    0 2px 4px rgba(0, 0, 0, 0.25),
    inset 0 1.5px 0.5px rgba(255, 255, 255, 0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.fab-trigger:hover {
  transform: translateY(-2px);
  background: linear-gradient(145deg, var(--bg-surface), var(--bg-secondary));
  box-shadow: 
    0 12px 20px rgba(0, 0, 0, 0.55),
    0 4px 6px rgba(0, 0, 0, 0.3),
    inset 0 1.5px 0.5px rgba(255, 255, 255, 0.3);
}

.fab-trigger:active {
  transform: translateY(2px) scale(0.95);
  box-shadow: 
    0 3px 6px rgba(0, 0, 0, 0.4),
    inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.fab-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  transition: opacity var(--transition-fast), transform var(--transition-spring);
}

.fab-menu.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.9);
}

.fab-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.fab-item:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-color);
  transform: translateX(-4px);
}

.fab-item:active {
  transform: scale(0.94) translateX(-4px);
}

.fab-mobile-only {
  display: none;
}

/* --- Export Options Modal --- */
.export-modal-card {
  width: 100%;
  max-width: 500px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition-spring);
}

.export-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 700;
}

.export-options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-option-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.export-option-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.export-option-card:active {
  transform: scale(0.98);
}

.export-option-card.highlight-option {
  border-color: var(--accent-color);
  background: var(--accent-glow);
}

.export-card-icon {
  font-size: 1.4rem;
}

.export-card-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.export-card-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- Selection Toolbar --- */
.selection-toolbar {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  user-select: none;
}

.selection-toolbar.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
}

.fmt-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.fmt-btn:hover {
  background: var(--border-color);
}

/* Background Highlight Icon */
.highlight-bg-marker {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--highlight-bg-sole);
  border: 1.5px solid var(--accent-color);
}

/* Theme Text Color Highlight Icon */
.highlight-text-marker {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--accent-color);
  border-bottom: 2.5px solid var(--accent-color);
  line-height: 1;
}

/* ==========================================================================
   SLEEK SUBTLE HIGHLIGHT SYSTEM (Rich Theme-Toned Text & Soft Curved Pills)
   ========================================================================== */

/* CONDITION 1: Isolated Background Highlight Only (Sleek Soft Pill, Rich Theme-Toned Text, 600 Semi-Bold) */
.note-highlight-bg {
  background-color: var(--highlight-bg-sole);
  color: var(--highlight-bg-text-sole) !important;
  border: none !important;
  border-radius: 4px;
  padding: 1.5px 5px;
  margin: 0 1px;
  font-weight: 600 !important;
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* CONDITION 2: Isolated Theme Accent Text Color Only (600 Semi-Bold Accent Color) */
.note-highlight-text {
  color: var(--highlight-text) !important;
  font-weight: 600 !important;
  display: inline;
}

/* CONDITION 3: Combined Together (Soft Background Pill + 600 Semi-Bold Accent Color Text) */
.note-highlight-bg.note-highlight-text,
.note-highlight-bg .note-highlight-text,
.note-highlight-text .note-highlight-bg {
  background-color: var(--highlight-bg-sole);
  color: var(--highlight-text) !important;
  border: none !important;
  font-weight: 600 !important;
  border-radius: 4px;
  padding: 1.5px 5px;
  margin: 0 1px;
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* CSS Custom Highlight API Rules for Find & Replace */
::highlight(find-all-matches) {
  background-color: rgba(245, 158, 11, 0.45);
  color: inherit;
}

::highlight(find-active-match) {
  background-color: #f59e0b;
  color: #000000;
}

/* Find & Replace Match Highlighting */
mark.find-highlight {
  background-color: rgba(245, 158, 11, 0.35);
  color: var(--text-main);
  border-radius: 3px;
  padding: 1px 3px;
  margin: 0;
  display: inline;
  transition: all 0.15s ease;
}

mark.find-highlight.active-match {
  background-color: #f59e0b !important;
  color: #000000 !important;
  font-weight: 700 !important;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.9), 0 0 0 2px rgba(255, 255, 255, 0.8) !important;
  animation: matchPulse 1.2s infinite ease-in-out;
}

@keyframes matchPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* --- Clean Styled Find & Replace Overlay Bar (Cmd+F) Anchored at Bottom --- */
.find-modal {
  position: fixed;
  bottom: calc(var(--footer-height) + 16px);
  right: clamp(16px, 3vw, 40px);
  top: auto;
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
  padding: 10px 14px;
  z-index: 250;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: findSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.find-modal.hidden {
  display: none !important;
}

.find-row, .replace-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.find-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-main);
  font-family: var(--font-family-ui);
  font-size: 0.85rem;
}

.find-input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.find-counter {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 48px;
  text-align: center;
}

/* --- Modals & Drawers --- */
.modal-overlay, .drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay.hidden, .drawer-overlay.hidden {
  display: none;
}

.palette-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform var(--transition-spring);
}

/* --- Keyboard Shortcuts Modal --- */
.shortcuts-modal-card {
  width: 90vw;
  max-width: 680px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: modalScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.shortcuts-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface-glass);
}

.shortcuts-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}

.shortcuts-modal-title h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.shortcuts-modal-body {
  padding: 20px;
  max-height: 70vh;
  overflow-y: auto;
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.shortcut-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
}

.shortcut-group-title {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-color);
  margin-bottom: 4px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.83rem;
  color: var(--text-main);
  gap: 12px;
}

.shortcut-row kbd, .kbd-wrap kbd {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-family-mono);
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.kbd-wrap {
  display: inline-flex;
  gap: 3px;
}

.palette-search-box {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  gap: 10px;
}

.palette-search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-family-ui);
  font-size: 0.95rem;
}

.esc-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--border-color);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.palette-items {
  max-height: 320px;
  overflow-y: auto;
  padding: 6px 0;
}

.palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.palette-item:hover, .palette-item.active {
  background: var(--accent-glow);
  color: var(--text-main);
  border-left-color: var(--accent-color);
}

.palette-item:active {
  transform: scale(0.99);
}

.palette-item-shortcut {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-family-mono);
}

/* --- Saved Notes Library Modal & Red-Aesthetic Tile Grid --- */
.notes-modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 95vw;
  max-width: 1240px;
  height: 88vh;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: modalScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.notes-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface-glass);
}

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

.notes-modal-title-group h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.notes-count-badge {
  background: var(--border-color);
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.notes-modal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Unified Vault Header Action Icon Buttons */
.btn-vault-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-vault-action .icon-sm {
  width: 15px;
  height: 15px;
}

.btn-vault-action:active {
  transform: scale(0.93);
}

/* Hover State: New Note Button */
.btn-vault-action.btn-new-action:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-glow);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Hover State: Delete Toggle Button */
.btn-vault-action.btn-delete-toggle:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.3);
}

.btn-vault-action.btn-delete-toggle.active {
  width: auto;
  padding: 0 10px;
  background: #ef4444;
  color: #ffffff;
  border-color: #dc2626;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.5);
  animation: pulseDeleteBtn 1.5s infinite;
}

/* Hover State: Close Button */
.btn-vault-action.btn-close-action:hover {
  border-color: var(--text-muted);
  color: var(--text-main);
  background: var(--border-color);
  box-shadow: none;
}

.btn-delete-toggle:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.btn-delete-toggle.active {
  padding: 6px 12px;
  background: #ef4444;
  color: #ffffff;
  border-color: #dc2626;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.5);
  animation: pulseDeleteBtn 1.5s infinite;
}

.delete-mode-label.hidden {
  display: none !important;
}

@keyframes pulseDeleteBtn {
  0% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 18px rgba(239, 68, 68, 0.8); }
  100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.4); }
}

/* Search Bar in Modal */
.notes-modal-search-wrap {
  position: relative;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.notes-modal-search-wrap .search-icon {
  position: absolute;
  left: 34px;
  color: var(--text-muted);
  pointer-events: none;
}

#notes-search-input {
  width: 100%;
  padding: 10px 38px 10px 42px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.92rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

#notes-search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
  background: var(--bg-primary);
}

.notes-modal-search-wrap .clear-search-btn {
  position: absolute;
  right: 32px;
}

.notes-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notes-delete-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-md);
  color: #fca5a5;
  font-size: 0.78rem;
  font-weight: 500;
  animation: fadeIn 0.2s ease-out;
}

.notes-delete-banner.hidden {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
  height: 0 !important;
  border: none !important;
  opacity: 0 !important;
}

/* Tile Grid */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  width: 100%;
}

.note-tile {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  min-height: 105px;
}

.note-tile:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.note-tile.keyboard-focused {
  outline: 2.5px solid var(--accent-color) !important;
  outline-offset: 2px;
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.45) !important;
  transform: translateY(-3px) scale(1.01) !important;
  z-index: 10;
}

.note-tile.active {
  border-left: 4px solid var(--accent-color);
  background: rgba(245, 158, 11, 0.04);
}

.note-tile-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.note-tile-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
  line-clamp: 1;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.note-tile-snippet {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-clamp: 2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.38;
  max-height: 2.76em;
  margin-top: 1px;
}

.note-tile-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 6px;
  margin-top: auto;
}

.note-tile-active-badge {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-color);
  background: rgba(245, 158, 11, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Red Aesthetics when Delete Mode is Active */
.notes-grid.delete-mode-active .note-tile {
  border-color: rgba(239, 68, 68, 0.5) !important;
  background: rgba(239, 68, 68, 0.06) !important;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
  animation: deleteModeWobble 3s infinite ease-in-out;
}

@keyframes deleteModeWobble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

.notes-grid.delete-mode-active .note-tile:hover {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.22) !important;
  box-shadow: 0 6px 24px rgba(239, 68, 68, 0.4) !important;
  transform: translateY(-4px) scale(1.02) !important;
}

.notes-grid.delete-mode-active .note-tile.keyboard-focused {
  outline: 2px solid #ef4444 !important;
  outline-offset: 2px;
  border-color: #ef4444 !important;
  box-shadow: 0 0 22px rgba(239, 68, 68, 0.6) !important;
}

.note-tile-delete-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #ef4444;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.6);
  animation: pulseRedBadge 1.5s infinite;
}

@keyframes pulseRedBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.note-tile-deleting {
  animation: tileDeleteOut 0.3s cubic-bezier(0.4, 0, 1, 1) forwards !important;
}

@keyframes tileDeleteOut {
  to {
    opacity: 0;
    transform: scale(0.7) translateY(20px);
  }
}

/* --- Sleeker Footer Bar --- */
.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-top: 1px solid var(--border-color);
  opacity: 0.75;
  font-size: 0.75rem;
  color: var(--text-muted);
  user-select: none;
  z-index: 100;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.footer:hover {
  opacity: 0.95;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 7px;
}

.status-text {
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.status-dot.green {
  background: #10B981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.status-dot.red {
  background: #EF4444;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.7);
  animation: pulse-red 1s infinite alternate;
}

@keyframes pulse-red {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-pill {
  background: var(--border-color);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  font-size: 0.73rem;
}

.metrics-hidden .metric-pill {
  display: none;
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 42px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 500;
  pointer-events: none;
}

.toast {
  background: var(--text-main);
  color: var(--bg-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
  .header-desktop-only {
    display: none !important;
  }
  .fab-mobile-only {
    display: flex !important;
  }
  .header {
    padding: 0 10px;
  }
  .editor-pane {
    padding: calc(var(--header-height) + 10px) 14px calc(var(--footer-height) + 20px) 14px;
  }
  .fab-container {
    bottom: 38px;
    right: 14px;
  }
  .workspace {
    flex-direction: column;
  }
  .scratchpad-active .editor-pane {
    flex: 1 1 60% !important;
    max-width: 100% !important;
    height: 60vh !important;
  }
  .scratchpad-pane {
    width: 100%;
    flex: 0 0 40% !important;
    max-width: 100% !important;
    height: 40vh !important;
    border-left: none;
    border-top: 1.5px solid var(--border-color);
    box-shadow: 0 -6px 25px rgba(0, 0, 0, 0.3);
  }
  .scratchpad-header {
    margin-top: 0;
    padding: 8px 14px;
  }
  .scratchpad-body {
    margin-bottom: 0;
  }
  .find-modal {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: calc(var(--footer-height) + 12px);
    top: auto;
  }
}

/* Native Print Styles */
@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
  .header, .footer, .fab-container, .selection-toolbar, .find-modal, .notes-drawer, .modal-overlay, .toast-container {
    display: none !important;
  }
  .editor-pane {
    padding: 0 !important;
    overflow: visible !important;
  }
  .editor-content {
    color: #000000 !important;
    font-size: 12pt !important;
    line-height: 1.6 !important;
  }
}

/* --- Immersive Picture-in-Picture (PiP) Window & Fallback Dock Styles --- */
body.pip-body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-active);
  font-size: var(--font-size-active);
  line-height: var(--line-height);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.pip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  user-select: none;
  transition: opacity var(--transition-fast);
}

.pip-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.pip-title-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  outline: none;
  border-radius: 4px;
  padding: 2px 4px;
}

.pip-title-text:focus {
  background: var(--bg-primary);
  box-shadow: 0 0 0 1px var(--accent-color);
}

.pip-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pip-body-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pip-editor {
  flex: 1;
  width: 100%;
  height: 100%;
  padding: 16px;
  box-sizing: border-box;
  outline: none;
  overflow-y: auto;
  color: var(--text-main);
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  white-space: pre-wrap;
  word-break: break-word;
}

.pip-editor:empty::before {
  content: attr(placeholder);
  color: var(--text-muted);
  opacity: 0.6;
  pointer-events: none;
}

/* Floating Aesthetic Metrics Badge Pill (Bottom Right) */
.pip-metrics-pill {
  position: absolute;
  bottom: 12px;
  right: 14px;
  padding: 5px 12px;
  background: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 50;
}

/* Active state for PiP toggle button in header */
#btn-pip-toggle.active {
  background: var(--accent-glow);
  color: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* --- Fallback In-App Floating PiP Dock --- */
.pip-fallback-dock {
  position: fixed;
  bottom: 60px;
  right: 24px;
  width: 360px;
  height: 440px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  z-index: 999;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.pip-fallback-dock.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.95);
}

.pip-fallback-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  cursor: move;
  user-select: none;
}

.pip-fallback-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pip-fallback-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-main);
}

.pip-fallback-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pip-fallback-body {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.pip-fallback-footer {
  padding: 6px 12px;
  display: flex;
  justify-content: flex-end;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}