/**
 * RastNegar - Premium Right-to-Left Markdown Studio
 * Crafted Typography & Themes (No AI Clichés)
 * Author: Mohammad Mahdi Nosrati (https://t.me/mmn_dev)
 */

/* Google Fonts loaded via link tag in index.html */

/* ==========================================================================
   Design System & Hand-Crafted Themes
   ========================================================================== */

:root {
  --font-sans: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --transition-smooth: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 56px;
  --toolbar-height: 42px;
  --footer-height: 32px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.09);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
}

/* 1. Theme: کاغذ و مرکب (Editorial Ivory & Ink) - Default */
[data-theme="editorial"], :root {
  --bg-app: #F7F5F0;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-sidebar: #F2EFE9;
  --bg-panel: #FFFFFF;
  --bg-toolbar: #FAF8F5;
  --bg-code: #F2EFE9;
  --bg-code-header: #EAE6DE;
  --bg-quote: #F4F1EB;
  --bg-hover: #EFECE5;
  --bg-active: #E6E2D8;

  --text-primary: #111315;
  --text-secondary: #33383F;
  --text-muted: #59616D;
  --text-link: #8C2215;
  
  --accent: #A33527;              /* Cinnabar Terracotta */
  --accent-light: rgba(163, 53, 39, 0.1);
  --accent-hover: #862A1E;
  --accent-contrast: #FFFFFF;

  --border-color: #D3CEBF;
  --border-light: #E3DFD5;
  --border-focus: #A33527;

  --scrollbar-thumb: #C8C2B3;
  --scrollbar-track: transparent;
}

/* 2. Theme: آبنوس و کهربا (Obsidian & Amber) - Refined Dark */
[data-theme="obsidian"] {
  --bg-app: #121315;
  --bg-surface: #18191D;
  --bg-surface-elevated: #202227;
  --bg-sidebar: #151619;
  --bg-panel: #18191D;
  --bg-toolbar: #16171A;
  --bg-code: #141518;
  --bg-code-header: #1E2024;
  --bg-quote: #1A1C20;
  --bg-hover: #24262C;
  --bg-active: #2C2F36;

  --text-primary: #F7F6F2;
  --text-secondary: #BCC1CC;
  --text-muted: #828896;
  --text-link: #F0BC6E;

  --accent: #D4A359;              /* Warm Bronze Amber */
  --accent-light: rgba(212, 163, 89, 0.14);
  --accent-hover: #BE8E45;
  --accent-contrast: #121315;

  --border-color: #333640;
  --border-light: #242730;
  --border-focus: #D4A359;

  --scrollbar-thumb: #3B3F4A;
  --scrollbar-track: transparent;
}

/* 3. Theme: سرو و زیتون (Nordic Sage & Linen) */
[data-theme="sage"] {
  --bg-app: #EFF3EF;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-sidebar: #E7ECE7;
  --bg-panel: #FFFFFF;
  --bg-toolbar: #F4F7F4;
  --bg-code: #EBF0EB;
  --bg-code-header: #E1E8E1;
  --bg-quote: #EEF3EE;
  --bg-hover: #E3EAE3;
  --bg-active: #D8E2D8;

  --text-primary: #0F1D13;
  --text-secondary: #334438;
  --text-muted: #556B5B;
  --text-link: #1E5C3C;

  --accent: #2D6A4F;              /* Deep Pine */
  --accent-light: rgba(45, 106, 79, 0.1);
  --accent-hover: #22533D;
  --accent-contrast: #FFFFFF;

  --border-color: #BFCEBF;
  --border-light: #D3DFD3;
  --border-focus: #2D6A4F;

  --scrollbar-thumb: #B2C4B2;
  --scrollbar-track: transparent;
}

/* 4. Theme: زعفران و لاجورد (Persian Lapis & Saffron) */
[data-theme="lapis"] {
  --bg-app: #FAF7F0;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-sidebar: #F4EFE5;
  --bg-panel: #FFFFFF;
  --bg-toolbar: #FBF8F2;
  --bg-code: #F2ECE0;
  --bg-code-header: #EAE2D2;
  --bg-quote: #F7F2E7;
  --bg-hover: #EDE5D5;
  --bg-active: #E4D9C4;

  --text-primary: #0E1828;        /* Persian Navy */
  --text-secondary: #2C394B;
  --text-muted: #55667D;
  --text-link: #1A3478;

  --accent: #D97706;              /* Pure Golden Saffron */
  --accent-light: rgba(217, 119, 6, 0.12);
  --accent-hover: #B45309;
  --accent-contrast: #FFFFFF;

  --border-color: #D1C5AA;
  --border-light: #E0D4BA;
  --border-focus: #D97706;

  --scrollbar-thumb: #C5B799;
  --scrollbar-track: transparent;
}

/* 5. Theme: مونوکروم سوییسی (Swiss Minimalist Slate) */
[data-theme="swiss"] {
  --bg-app: #F2F4F7;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-sidebar: #EAECF0;
  --bg-panel: #FFFFFF;
  --bg-toolbar: #F8F9FA;
  --bg-code: #ECEFF2;
  --bg-code-header: #DFE3E8;
  --bg-quote: #EFF1F4;
  --bg-hover: #E4E7EC;
  --bg-active: #D0D5DD;

  --text-primary: #0A0D12;
  --text-secondary: #29303D;
  --text-muted: #4B5565;
  --text-link: #121926;

  --accent: #1D2939;              /* Deep Slate */
  --accent-light: rgba(29, 41, 57, 0.1);
  --accent-hover: #0C111D;
  --accent-contrast: #FFFFFF;

  --border-color: #BDC4CF;
  --border-light: #D0D5DD;
  --border-focus: #1D2939;

  --scrollbar-thumb: #A9B2BE;
  --scrollbar-track: transparent;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  direction: rtl;
  text-rendering: optimizeLegibility;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Utility Visibility Classes */
.mobile-only {
  display: none !important;
}

/* ==========================================================================
   Application Layout
   ========================================================================== */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-app);
  position: relative;
}

/* --------------------------------------------------------------------------
   Header Bar
   -------------------------------------------------------------------------- */
.app-header {
  height: var(--header-height);
  min-height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: visible;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex: 1 1 auto;
  min-width: 0;
}

.header-left {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-shrink: 0;
  padding-left: 0.25rem;
}

/* Brand Badge */
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text-primary);
  cursor: default;
  user-select: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 
    0 4px 12px var(--accent-shadow),
    inset 0 1px 1.5px rgba(255, 255, 255, 0.45),
    inset 0 -1.5px 2px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}
.brand-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 46%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 100%);
  border-radius: 8px 8px 0 0;
  pointer-events: none;
}
.brand:hover .brand-icon {
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 6px 16px var(--accent-shadow), inset 0 1px 1.5px rgba(255, 255, 255, 0.6);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-tag {
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.12rem 0.45rem;
  border-radius: 9999px;
  border: 1px solid var(--accent);
  box-shadow: 0 1px 3px var(--accent-shadow);
  white-space: nowrap;
}

/* Preset Document Dropdown */
.preset-selector-wrapper {
  position: relative;
  flex-shrink: 0;
}

.custom-select {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
  max-width: 260px;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.custom-select:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.custom-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.header-select {
  max-width: 135px !important;
  width: auto !important;
  padding: 0.32rem 0.55rem !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
  text-overflow: ellipsis !important;
}

/* Desktop Mode Switcher Segmented Control */
.segmented-control {
  display: flex;
  background-color: var(--bg-toolbar);
  padding: 3.5px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
}

.segment-btn {
  border: none;
  background: transparent;
  padding: 0.32rem 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.segment-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.segment-btn:hover {
  color: var(--text-primary);
}

.segment-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--accent);
  font-weight: 700;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.08),
    inset 0 1px 0.5px rgba(255, 255, 255, 0.65);
}

/* Mobile View Tabs */
.mobile-view-tabs {
  display: flex;
  background-color: var(--bg-toolbar);
  padding: 3px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.mobile-tab-btn {
  border: none;
  background: transparent;
  padding: 0.3rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-tab-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08), inset 0 1px 0.5px rgba(255, 255, 255, 0.6);
}

/* Theme Picker Wrapper */
.theme-picker-wrapper {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Buttons with 3D tactile elevation and glassmorphic micro-interactions */
.icon-btn { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: var(--radius-sm); padding: 0.35rem 0.65rem; color: var(--text-secondary); cursor: pointer; display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-sans); font-size: 0.82rem; font-weight: 600; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); white-space: nowrap; flex-shrink: 0; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05), inset 0 1px 1px rgba(255, 255, 255, 0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.icon-btn:active {
  transform: translateY(0.5px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Primary Glassmorphic 3D Developer Button */
.icon-btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--accent-contrast);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-weight: 700;
  box-shadow: 
    0 3px 10px var(--accent-shadow),
    inset 0 1px 1px rgba(255, 255, 255, 0.4),
    inset 0 -1px 2px rgba(0, 0, 0, 0.18);
  position: relative;
}
.icon-btn.primary:hover {
  transform: translateY(-1.5px);
  box-shadow: 
    0 6px 16px var(--accent-shadow),
    inset 0 1px 1.5px rgba(255, 255, 255, 0.5);
}

/* Unified Export Dropdown */
.dropdown-wrapper {
  position: relative;
  flex-shrink: 0;
}

.arrow-icon {
  margin-right: 0.15rem;
  transition: transform 0.2s ease;
}
.dropdown-wrapper.open .arrow-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background-color: var(--bg-surface-elevated);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 34px -4px rgba(0, 0, 0, 0.14), 0 3px 8px rgba(0, 0, 0, 0.06);
  min-width: 260px;
  padding: 0.45rem;
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
}
.dropdown-wrapper.open .dropdown-menu {
  display: flex;
  animation: dropdownEnter 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownEnter {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  text-align: right;
  font-family: var(--font-sans);
  transition: var(--transition-smooth);
  width: 100%;
}
.menu-item:hover {
  background-color: var(--bg-hover);
}
.menu-item svg {
  color: var(--accent);
  flex-shrink: 0;
}
.menu-item-text {
  display: flex;
  flex-direction: column;
}
.menu-item-text strong {
  font-size: 0.84rem;
  font-weight: 700;
}
.menu-item-text small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Smart Formatting Toolbar
   -------------------------------------------------------------------------- */
.app-toolbar {
  height: var(--toolbar-height);
  min-height: var(--toolbar-height);
  background-color: var(--bg-toolbar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  overflow: hidden;
  z-index: 20;
}

.toolbar-scroll-container {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  white-space: nowrap;
  width: 100%;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.toolbar-scroll-container::-webkit-scrollbar {
  display: none;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
}

.toolbar-divider {
  width: 1px;
  height: 18px;
  background-color: var(--border-color);
  margin: 0 0.35rem;
  flex-shrink: 0;
}

.tool-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.28rem 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.tool-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.tool-btn:active {
  background-color: var(--bg-active);
}

.tool-btn.persian-helper {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, var(--accent-light) 0%, rgba(255, 255, 255, 0.4) 100%);
  border-radius: 6px;
  box-shadow: 0 1px 3px var(--accent-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  padding: 0.28rem 0.65rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.tool-btn.persian-helper:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px var(--accent-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  background: var(--accent);
  color: var(--accent-contrast);
}

/* --------------------------------------------------------------------------
   Workspace & Split Panes
   -------------------------------------------------------------------------- */
.workspace-container {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-app);
}

/* Panes */
.pane {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.pane-editor {
  flex: 1;
  min-width: 250px;
  background-color: var(--bg-panel);
  border-left: 1px solid var(--border-color);
}

.pane-preview {
  flex: 1;
  min-width: 250px;
  background-color: var(--bg-panel);
  overflow-y: auto;
  position: relative;
  direction: rtl;
}

/* Pane Resizer Gutter */
.pane-resizer {
  width: 6px;
  background-color: var(--border-light);
  cursor: col-resize;
  position: relative;
  z-index: 10;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.pane-resizer:hover, .pane-resizer.dragging {
  background-color: var(--accent);
}

/* Editor Input */
.editor-wrapper {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

.editor-textarea {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 1.5rem 1.75rem;
  font-family: 'Vazirmatn', var(--font-mono), monospace !important;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: normal !important;
  font-feature-settings: 'cv01' on !important;
  background-color: transparent;
  color: var(--text-primary);
  direction: rtl;
  tab-size: 2;
  white-space: pre-wrap;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   Preview Pane & Typography Engine (dariubs/rtlmd principles)
   -------------------------------------------------------------------------- */
.preview-inner {
  padding: 2.25rem 2.5rem;
  max-width: 880px;
  margin: 0 auto;
  color: var(--text-primary);
  line-height: 1.9;
  font-size: 1.05rem;
  direction: rtl !important;
  text-align: right !important;
  unicode-bidi: embed !important;
}

/* View Mode Classes */
.view-split .pane-editor { display: flex; }
.view-split .pane-preview { display: flex; }
.view-split .pane-resizer { display: block; }

.view-reader .pane-editor { display: none; }
.view-reader .pane-resizer { display: none; }
.view-reader .app-toolbar { display: none; }
.view-reader .pane-preview {
  display: flex;
  width: 100%;
  background-color: var(--bg-app);
}
.view-reader .preview-inner {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 2rem auto;
  padding: 2.5rem 3.5rem;
  max-width: 820px;
}

.view-editor .pane-preview { display: none; }
.view-editor .pane-resizer { display: none; }
.view-editor .pane-editor {
  display: flex;
  width: 100%;
  border-left: none;
}

/* --------------------------------------------------------------------------
   Markdown Elements Styling
   -------------------------------------------------------------------------- */

/* Headings */
.preview-inner h1,
.preview-inner h2,
.preview-inner h3,
.preview-inner h4,
.preview-inner h5,
.preview-inner h6 {
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.4;
  margin-top: 2rem;
  margin-bottom: 0.9rem;
  position: relative;
  letter-spacing: -0.02em;
}

.preview-inner h1 {
  font-size: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.55rem;
  margin-top: 0.8rem;
}

.preview-inner h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.35rem;
}

.preview-inner h3 { font-size: 1.25rem; }
.preview-inner h4 { font-size: 1.1rem; }

/* Heading Anchors */
.heading-anchor {
  opacity: 0;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 400;
  margin-right: 0.45rem;
  margin-left: 0.45rem;
  font-size: 0.85em;
  transition: opacity 0.15s ease-in-out, color 0.15s ease;
  vertical-align: middle;
}
.content-heading:hover .heading-anchor {
  opacity: 0.6;
}
.heading-anchor:hover {
  opacity: 1 !important;
  color: var(--accent);
}

/* Paragraphs & Text Blocks */
.preview-inner p {
  margin-bottom: 1.25rem;
  line-height: 1.88;
  text-align: right;
}
.preview-inner p[dir="ltr"],
.preview-inner .bidi-block[dir="ltr"] {
  text-align: left;
  direction: ltr;
}
.preview-inner p[dir="rtl"],
.preview-inner .bidi-block[dir="rtl"] {
  text-align: right;
  direction: rtl;
}

/* Direction Classes */
[dir="rtl"] { direction: rtl; text-align: right; }
[dir="ltr"] { direction: ltr; text-align: left; }

/* Inline Code (Strictly BiDi Protected) */
.inline-code {
  font-family: var(--font-mono) !important;
  direction: ltr !important;
  unicode-bidi: isolate !important;
  display: inline-block;
  padding: 0.15em 0.42em;
  margin: 0 0.15em;
  background-color: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.86em;
  color: var(--text-link);
  vertical-align: baseline;
}

/* Code Blocks */
.codeblock-wrapper {
  margin: 1.6rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-code);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  direction: ltr !important;
  text-align: left !important;
}

.codeblock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.9rem;
  background-color: var(--bg-code-header);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
}

.codeblock-pre {
  margin: 0;
  padding: 1.15rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
}

.codeblock-pre code {
  font-family: var(--font-mono) !important;
}

/* Copy Code Button */
.btn-copy-code {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.18rem 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition-smooth);
}
.btn-copy-code:hover {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--accent);
}
.btn-copy-code.copied {
  background-color: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

/* Blockquotes */
.bidi-quote {
  margin: 1.6rem 0;
  padding: 0.9rem 1.35rem;
  background-color: var(--bg-quote);
  border-radius: var(--radius-sm);
  position: relative;
}

.bidi-quote[dir="rtl"] {
  border-right: 4px solid var(--accent);
  border-left: none;
}
.bidi-quote[dir="ltr"] {
  border-left: 4px solid var(--accent);
  border-right: none;
}

.bidi-quote p:last-child {
  margin-bottom: 0;
}

/* Lists */
.preview-inner ul,
.preview-inner ol {
  margin: 1.1rem 0;
  padding-right: 1.6rem;
  padding-left: 0;
}

.preview-inner [dir="ltr"] ul,
.preview-inner [dir="ltr"] ol {
  padding-left: 1.6rem;
  padding-right: 0;
}

.preview-inner li {
  margin-bottom: 0.45rem;
  line-height: 1.8;
}
.preview-inner li[dir="ltr"] {
  direction: ltr;
  text-align: left;
}
.preview-inner li[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

/* Task Checklists */
.task-list-item {
  list-style-type: none;
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.task-checkbox {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  outline: none;
  cursor: default;
  margin-top: 0.2rem;
  display: inline-grid;
  place-content: center;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.task-checkbox:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

.task-checkbox:checked::before {
  content: "";
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--accent-contrast);
  border-bottom: 2px solid var(--accent-contrast);
  transform: rotate(-45deg) translate(1px, -1px);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.6rem 0;
  -webkit-overflow-scrolling: touch;
}

.bidi-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  overflow: hidden;
}

.bidi-table th,
.bidi-table td {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-color);
  text-align: right;
  font-size: 0.92rem;
}

.bidi-table th {
  background-color: var(--bg-toolbar);
  font-weight: 700;
  color: var(--text-primary);
}

.bidi-table tr:nth-child(even) {
  background-color: var(--bg-app);
}

/* Links */
.preview-inner a {
  color: var(--text-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: var(--transition-smooth);
}
.preview-inner a:hover {
  color: var(--accent);
  text-decoration-thickness: 2px;
}

/* Dividers */
.preview-inner hr {
  height: 1px;
  border: none;
  background-color: var(--border-color);
  margin: 2rem 0;
}

/* Images */
.preview-inner img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin: 1rem 0;
}

/* --------------------------------------------------------------------------
   Footer Status Bar
   -------------------------------------------------------------------------- */
.app-footer {
  height: var(--footer-height);
  min-height: var(--footer-height);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.85rem;
  font-size: 0.76rem;
  color: var(--text-secondary);
  z-index: 30;
  overflow: hidden;
}

.footer-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: nowrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.stat-value {
  font-weight: 700;
  color: var(--text-primary);
}

.footer-credit {
  display: flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.footer-link strong {
  font-weight: 700;
}
.footer-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Drawers & Modals
   -------------------------------------------------------------------------- */

/* Drawer Backdrop (for TOC & Mobile Menu) */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 17, 23, 0.45);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 1200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Table of Contents Drawer */
.toc-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  right: -340px;
  width: 310px;
  max-width: 85vw;
  background-color: var(--bg-surface-elevated);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 1250;
  transition: right 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.toc-drawer.open {
  right: 0;
}

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

.drawer-title {
  font-size: 0.92rem;
  font-weight: 700;
}

.btn-close-drawer {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px 6px;
  font-size: 1rem;
  border-radius: 4px;
}
.btn-close-drawer:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: 0.3rem;
}

.toc-link {
  display: block;
  padding: 0.38rem 0.55rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.84rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}
.toc-link:hover {
  background-color: var(--bg-hover);
  color: var(--accent);
}
.toc-link.level-1 { font-weight: 700; }
.toc-link.level-2 { padding-right: 1.1rem; font-weight: 500; }
.toc-link.level-3 { padding-right: 1.6rem; font-size: 0.8rem; color: var(--text-muted); }

/* Mobile Menu Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: -360px;
  width: 320px;
  max-width: 90vw;
  background-color: var(--bg-surface-elevated);
  border-right: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 1250;
  transition: left 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.mobile-menu-drawer.open {
  left: 0;
}

.mobile-menu-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem 1rem 3.5rem 1rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.menu-section {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.menu-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.mobile-select {
  width: 100%;
  max-width: 100%;
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-action-row {
  display: flex;
  align-items: center;
  padding: 0.6rem 0.75rem;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: right;
  transition: var(--transition-smooth);
}
.mobile-action-row:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent);
}

.dev-section-mobile {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}
.dev-profile-mobile {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

/* Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-backdrop.active {
  display: flex;
}

/* Modal Dialog */
.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  padding: 1.5rem 1.75rem;
  animation: modalEnter 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.15rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.65rem;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Developer Card in About Modal */
.developer-card {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin: 1rem 0;
}

.dev-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-app);
  padding: 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.dev-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  flex-shrink: 0;
}

.dev-info h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.15rem;
}

.dev-role {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.telegram-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
  color: #FFFFFF !important;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: normal;
  text-align: center;
  font-size: 0.85rem;
  box-sizing: border-box;
  max-width: 100%;
}
.telegram-btn:hover {
  transform: translateY(-1.5px);
  background: linear-gradient(135deg, #32b5f7 0%, #1f94cc 100%);
  box-shadow: 0 6px 20px rgba(34, 158, 217, 0.5), inset 0 1px 1.5px rgba(255, 255, 255, 0.55);
  color: #FFFFFF !important;
}

/* Keyboard Shortcuts Grid */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.65rem;
  margin: 1.15rem 0;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.7rem;
  background-color: var(--bg-app);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}

.shortcut-kbd {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.12rem 0.42rem;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Notification Toast */
.toast {
  position: fixed;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: var(--text-primary);
  color: var(--bg-surface);
  padding: 0.55rem 1.15rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Print Stylesheet (@media print)
   ========================================================================== */
@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 11pt !important;
  }

  .app-header,
  .app-toolbar,
  .app-footer,
  .pane-editor,
  .pane-resizer,
  .toc-drawer,
  .mobile-menu-drawer,
  .btn-copy-code,
  .heading-anchor {
    display: none !important;
  }

  .workspace-container,
  .pane-preview {
    display: block !important;
    overflow: visible !important;
    height: auto !important;
  }

  .preview-inner {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .codeblock-wrapper {
    border: 1px solid #CCC !important;
    background: #F9F9F9 !important;
    page-break-inside: avoid;
  }

  .bidi-quote {
    background: #F9F9F9 !important;
    border-right-color: #333 !important;
    page-break-inside: avoid;
  }

  .bidi-table {
    border: 1px solid #CCC !important;
    page-break-inside: avoid;
  }
}

/* ==========================================================================
   Responsive Adaptations (Mobile & Tablet)
   ========================================================================== */

/* Large Desktop Compaction (<= 1350px) */
@media (max-width: 1350px) {
  .app-header { padding: 0 0.85rem; }
  .header-right, .header-center, .header-left { gap: 0.4rem; }
  .header-select { max-width: 115px !important; font-size: 0.77rem !important; padding: 0.3rem 0.45rem !important; }
  .segment-btn .btn-text { display: none !important; }
  .segment-btn { padding: 0.35rem 0.65rem !important; }
  #btn-shortcuts { display: none !important; }
}

/* Medium Desktop & Tablet Landscape (<= 1200px) */
@media (max-width: 1200px) {
  #btn-toggle-toc span { display: none !important; }
  .brand-tag { display: none !important; }
  .header-select { max-width: 105px !important; }
  .icon-btn.primary { padding: 0.35rem 0.6rem; }
}

/* Tablet & Smaller Laptops (<= 1100px) */
@media (max-width: 1100px) {
  .preset-selector-wrapper { display: none !important; }
  .app-header { padding: 0 0.65rem; }
  .preview-inner { padding: 2rem 2rem; }
}

/* Medium Tablets & Small Desktops (<= 1024px) */
@media (max-width: 1024px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: flex !important; }

  .app-header { padding: 0 0.75rem; }
  .brand-tag { display: none; }

  /* Hide formatting toolbar in mobile preview mode for clean reading */
  .mobile-active-preview .app-toolbar { display: none !important; }

  /* Mobile Tabs Behavior */
  .workspace-container {
    flex-direction: column;
  }

  .pane-resizer {
    display: none !important;
  }

  /* Default on mobile: preview tab active */
  .mobile-active-preview .pane-editor { display: none !important; }
  .mobile-active-preview .pane-preview { display: flex !important; width: 100% !important; }

  .mobile-active-editor .pane-preview { display: none !important; }
  .mobile-active-editor .pane-editor { display: flex !important; width: 100% !important; border-left: none; }

  .preview-inner {
    padding: 1.5rem 1.25rem;
    font-size: 1rem;
    line-height: 1.85;
  }

  /* Reset reader mode padding and border on tablet/mobile */
  .view-reader .preview-inner {
    margin: 0 !important;
    padding: 1.5rem 1.25rem !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    max-width: 100% !important;
  }

  .preview-inner h1 { font-size: 1.65rem; }
  .preview-inner h2 { font-size: 1.35rem; }
  .preview-inner h3 { font-size: 1.15rem; }

  .editor-textarea {
    padding: 1rem 1.15rem;
    font-size: 0.95rem;
  }

  .codeblock-pre { padding: 0.9rem; font-size: 0.82rem; }
  .bidi-table th, .bidi-table td { padding: 0.5rem 0.65rem; font-size: 0.85rem; }
}

/* Compact Mobile (<= 540px) */
@media (max-width: 540px) {
  /* Export options are comprehensively available inside the mobile menu drawer */
  #btn-export-dropdown { display: none !important; }
}

/* Small Mobile (<= 480px) */
@media (max-width: 480px) {
  .brand-title { font-size: 0.95rem; }
  .brand-icon { width: 26px; height: 26px; font-size: 0.92rem; }
  .header-left, .header-right { gap: 0.35rem; }
  
  /* Icon only on small phones */
  .icon-btn span { display: none !important; }
  .arrow-icon { display: none !important; }
  .icon-btn { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: var(--radius-sm); padding: 0.35rem 0.65rem; color: var(--text-secondary); cursor: pointer; display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-sans); font-size: 0.82rem; font-weight: 600; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); white-space: nowrap; flex-shrink: 0; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05), inset 0 1px 1px rgba(255, 255, 255, 0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

  .mobile-tab-btn {
    padding: 0.24rem 0.55rem;
    font-size: 0.76rem;
  }

  .preview-inner { padding: 1.15rem 0.75rem; }
  .view-reader .preview-inner { padding: 1.15rem 0.75rem !important; }
  .preview-inner h1 { font-size: 1.45rem; }
  .preview-inner h2 { font-size: 1.22rem; }
  .preview-inner h3 { font-size: 1.05rem; }

  .stat-chars-item { display: none; }
  .app-footer { padding: 0 0.5rem; font-size: 0.7rem; }
  .footer-stats { gap: 0.5rem; }
  .modal-dialog { padding: 1.25rem 0.9rem; }
}

/* ==========================================================================
   Comprehensive Print & A4 PDF Stylesheet
   ========================================================================== */
@page {
  size: A4;
  margin: 16mm 14mm 16mm 14mm;
}

@media print {
  /* Force exact color reproduction across Chrome, Edge, Safari, Firefox */
  *, *::before, *::after {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }

  /* Hide interactive UI chrome, headers, toolbars, sidebars, modals, tabs */
  .app-header,
  .app-toolbar,
  .app-statusbar,
  .pane-editor,
  .pane-resizer,
  .drawer-panel,
  .drawer-backdrop,
  .modal-backdrop,
  .mobile-tab-bar,
  .toast,
  .btn-copy-code,
  .heading-anchor {
    display: none !important;
  }

  /* Unconstrain viewport and scroll containers so all pages print without clipping */
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
    background: #ffffff !important;
    color: #17181c !important;
    font-family: var(--font-sans) !important;
    font-size: 11pt !important;
    line-height: 1.8 !important;
    direction: rtl !important;
  }

  #app {
    display: block !important;
    height: auto !important;
    width: 100% !important;
    overflow: visible !important;
    position: static !important;
    background: transparent !important;
  }

  .workspace-container {
    display: block !important;
    height: auto !important;
    width: 100% !important;
    overflow: visible !important;
    position: static !important;
    background: transparent !important;
    border: none !important;
  }

  .pane-preview {
    display: block !important;
    height: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
    position: static !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }

  .preview-scroll {
    height: auto !important;
    overflow: visible !important;
    position: static !important;
    padding: 0 !important;
    background: transparent !important;
  }

  .view-reader .preview-inner,
  .preview-inner {
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    font-size: 11pt !important;
  }

  /* Clean Document Print Typography */
  .preview-inner h1 {
    font-size: 20pt !important;
    margin-top: 0.5rem !important;
    margin-bottom: 0.8rem !important;
    page-break-after: avoid;
    break-after: avoid;
    border-bottom: 1.5pt solid #ddd !important;
    padding-bottom: 0.3rem !important;
  }

  .preview-inner h2 {
    font-size: 15pt !important;
    margin-top: 1.4rem !important;
    margin-bottom: 0.6rem !important;
    page-break-after: avoid;
    break-after: avoid;
    border-bottom: 1pt solid #eee !important;
    padding-bottom: 0.2rem !important;
  }

  .preview-inner h3 {
    font-size: 12.5pt !important;
    margin-top: 1.2rem !important;
    margin-bottom: 0.5rem !important;
    page-break-after: avoid;
    break-after: avoid;
  }

  .preview-inner p {
    margin-bottom: 0.85rem !important;
    line-height: 1.8 !important;
    orphans: 3;
    widows: 3;
  }

  .preview-inner ul,
  .preview-inner ol {
    margin: 0.7rem 0 !important;
  }

  /* Prevent awkward page breaks inside code blocks, blockquotes, and tables */
  .codeblock-wrapper,
  .bidi-quote,
  .bidi-table,
  .table-responsive,
  .task-list-item,
  tr {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  /* Code Block Styling for Print */
  .codeblock-wrapper {
    border: 1px solid #d8d8d8 !important;
    background-color: #f6f8fa !important;
    margin: 1.1rem 0 !important;
    border-radius: 6px !important;
    box-shadow: none !important;
  }

  .codeblock-header {
    background-color: #eef1f5 !important;
    border-bottom: 1px solid #d8d8d8 !important;
    color: #444 !important;
    font-size: 8pt !important;
    padding: 0.35rem 0.75rem !important;
  }

  .codeblock-pre {
    padding: 0.8rem 1rem !important;
    font-size: 9pt !important;
    line-height: 1.55 !important;
    background-color: #f6f8fa !important;
    white-space: pre-wrap !important;
    word-break: break-all !important;
  }

  .inline-code {
    background-color: #f1f3f5 !important;
    border: 1px solid #d0d7de !important;
    color: #8b1e15 !important;
    font-size: 9.5pt !important;
    padding: 0.1em 0.35em !important;
  }

  /* Blockquote Styling for Print */
  .bidi-quote {
    background-color: #f9f9fb !important;
    border-right: 3.5pt solid #a33527 !important;
    border-left: none !important;
    padding: 0.65rem 1.1rem !important;
    margin: 1.1rem 0 !important;
    border-radius: 4px !important;
  }

  .bidi-quote[dir="ltr"] {
    border-left: 3.5pt solid #a33527 !important;
    border-right: none !important;
  }

  /* Table Styling for Print */
  .bidi-table {
    border: 1px solid #d0d0d0 !important;
    background-color: #ffffff !important;
    font-size: 9.5pt !important;
    width: 100% !important;
  }

  .bidi-table th {
    background-color: #eef1f5 !important;
    border: 1px solid #d0d0d0 !important;
    color: #222 !important;
    font-weight: 700 !important;
  }

  .bidi-table td {
    border: 1px solid #d0d0d0 !important;
  }

  a {
    color: #1a1a1a !important;
    text-decoration: underline !important;
  }
}