:root {
  /* Theme Variables - Pure Black & White with subtle soft modern tones */
  --primary: #000000;
  --primary-hover: #262626;
  --bg-body: #ffffff;
  --bg-card: #ffffff;
  --text-main: #000000;
  --text-muted: #666666;
  --border: #e8e8e8;
  --input-bg: #f4f4f5;
  --toolbar-bg: rgba(255, 255, 255, 0.98);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  /* Soft Modern Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.09);
  --shadow-primary: 0 4px 16px rgba(0, 0, 0, 0.12);
  /* Modern Soft Rounded Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  --header-height: 56px;
  --safe-area-top: env(safe-area-inset-top);
  --safe-area-bottom: env(safe-area-inset-bottom);
  --transition: cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
  --transition-fast: cubic-bezier(0.4, 0, 0.2, 1) 0.16s;
  --font-editor: 'Inter', sans-serif;
}

[data-theme="dark"] {
  --primary: #ffffff;
  --primary-hover: #e4e4e7;
  --bg-body: #09090b;
  --bg-card: #121215;
  --text-main: #fafafa;
  --text-muted: #a1a1aa;
  --border: #27272a;
  --input-bg: #18181b;
  --toolbar-bg: rgba(9, 9, 11, 0.98);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.7);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  height: 100dvh;
  overflow: hidden;
  transition: background-color 0.3s, color 0.3s;
}

/* Accessibility & Semantic SEO */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Typography Modes */
.font-serif {
  --font-editor: 'Merriweather', serif;
}

.font-mono {
  --font-editor: 'JetBrains Mono', monospace;
}

/* --- MODERN SVG ICONS --- */
.svg-icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform var(--transition-fast), color var(--transition-fast), stroke var(--transition-fast);
}

/* Legacy Material Icons backward compatibility if needed */
.material-symbols-rounded {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  font-size: 20px;
  user-select: none;
}

.material-symbols-rounded.filled {
  font-variation-settings: 'FILL' 1;
}

/* --- LAYOUT --- */
#app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.5s;
}

#app.loaded {
  opacity: 1;
}

.view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-body);
  transition: transform var(--transition), opacity var(--transition);
  z-index: 1;
  will-change: transform, opacity;
  /* Enable hardware acceleration for smoother animations */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.view-hidden-left {
  transform: translateX(-20%);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
}

.view-hidden-right {
  transform: translateX(100%);
  z-index: 10;
}

.view-active {
  transform: translateX(0);
  opacity: 1;
  z-index: 5;
}

/* --- HEADER --- */
.header {
  padding: calc(8px + var(--safe-area-top)) 14px 8px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--header-height) + var(--safe-area-top));
  flex-shrink: 0;
  z-index: 20;
  box-shadow: 0 1px 0 var(--border);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  position: relative;
}

.btn-icon:hover {
  background: var(--input-bg);
  color: var(--primary);
  transform: scale(1.05);
}

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

.btn-icon.active {
  background: var(--input-bg);
  color: var(--primary);
}

/* Primary Header Button (Add File) */
.header-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #242527 0%, #000000 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.header-btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 80%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.header-btn-primary:hover {
  background: linear-gradient(135deg, #383a3d 0%, #0f1011 100%);
  color: #ffffff;
  transform: translateY(-1.5px) scale(1.04);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
  border-color: rgba(255, 255, 255, 0.18);
}

.header-btn-primary:hover::after {
  left: 200%;
  transition: left 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-btn-primary:active {
  transform: translateY(1px) scale(0.94);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.header-btn-primary .material-symbols-rounded {
  font-size: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 600, 'GRAD' 0, 'opsz' 20;
}

[data-theme="dark"] .header-btn-primary {
  background: linear-gradient(135deg, #ffffff 0%, #f3f3f5 100%);
  color: #000000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 3px 10px rgba(255, 255, 255, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .header-btn-primary::after {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 0, 0, 0.08),
    transparent
  );
}

[data-theme="dark"] .header-btn-primary:hover {
  background: linear-gradient(135deg, #fbfbfb 0%, #e8e8ec 100%);
  box-shadow: 0 6px 18px rgba(255, 255, 255, 0.28);
}

[data-theme="dark"] .header-btn-primary:active {
  transform: translateY(1px) scale(0.94);
  box-shadow: 0 2px 6px rgba(255, 255, 255, 0.15);
}

.header-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border);
  margin: 0 8px;
  flex-shrink: 0;
}

/* Responsive Header Title */
.header-title {
  font-weight: 600;
  font-size: 18px;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
  /* Default tight constraint for mobile */
}

@media (min-width: 480px) {
  .header-title {
    max-width: none;
  }
}

/* --- LIST VIEW --- */

/* Standardized Text2 Brand Header */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(10px + var(--safe-area-top)) 16px 10px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
  min-height: calc(58px + var(--safe-area-top));
}

.list-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.btn-back {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.04);
  border: 1.5px solid rgba(0, 0, 0, 0.22);
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  flex-shrink: 0;
  font-size: 18px;
}

[data-theme="dark"] .btn-back {
  background: rgba(255, 255, 255, 0.07);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.btn-back:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text-main);
  transform: translateX(-2px);
  border-color: rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .btn-back:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.42);
}

.btn-back:active {
  transform: scale(0.92);
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.55);
  opacity: 0.85;
}

[data-theme="dark"] .btn-back:active {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.6);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s ease;
  flex-shrink: 0;
}

.brand-link:hover {
  opacity: 0.92;
}

.brand-logo-card {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
  padding: 3.5px;
  box-sizing: border-box;
  transition: transform 0.2s ease;
}

[data-theme="dark"] .brand-logo-card {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.brand-link:hover .brand-logo-card {
  transform: scale(1.04);
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}

.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  line-height: 1;
  white-space: nowrap;
}

.brand-name {
  font-weight: 800;
  font-size: 19px;
  color: var(--text-main);
  letter-spacing: -0.025em;
  line-height: 1;
}

.brand-divider {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-muted);
  opacity: 0.7;
  user-select: none;
}

.brand-app {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
  line-height: 1;
}

@media (max-width: 600px) {
  .btn-back {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 16px;
  }
  .brand-logo-card {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    padding: 3px;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-divider {
    font-size: 13px;
  }
  .brand-app {
    font-size: 13px;
  }
}

.list-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* Search + Filter Toolbar */
.list-toolbar {
  padding: 10px 14px 0;
  background: var(--bg-body);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-wrap {
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  padding: 11px 38px 11px 44px;
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  color: var(--text-main);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
  outline: none;
}

[data-theme="dark"] .search-input:focus {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.search-icon-fixed {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 18px;
  height: 18px;
}

.search-clear-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s, background 0.15s, transform 0.15s;
}

.search-clear-btn.visible {
  opacity: 1;
  pointer-events: all;
}

.search-clear-btn:hover {
  background: var(--input-bg);
  color: var(--text-main);
  transform: translateY(-50%) scale(1.08);
}

.search-clear-btn .svg-icon {
  width: 15px;
  height: 15px;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 10px;
}

.filter-tabs::-webkit-scrollbar {
  display: none;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--text-main);
  transform: translateY(-1px);
}

.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-body);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

/* Status & Count Bar Row */
.status-count-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 16px 4px;
  flex-shrink: 0;
  min-height: 32px;
}

.doc-count-bar {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  flex-shrink: 0;
}

/* Notes list scroll area */
.notes-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 14px 100px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.notes-list:empty {
  display: none;
}

.notes-list::-webkit-scrollbar {
  width: 4px;
}

.notes-list::-webkit-scrollbar-track {
  background: transparent;
}

.notes-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

/* Premium Note Card */
.note-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  animation: cardFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

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

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

[data-theme="dark"] .note-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

.note-card:active {
  transform: translateY(0) scale(0.99);
}

/* Card inner wrapper */
.card-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 0 !important;
}

.card-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  flex: 1;
}

.card-file-icon {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.card-actions {
  display: flex;
  gap: 4px;
  opacity: 0.35;
  transition: opacity 0.2s ease;
  flex-shrink: 0;
}

.note-card:hover .card-actions {
  opacity: 1;
}

.action-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.action-btn .svg-icon {
  width: 17px;
  height: 17px;
}

.action-btn:hover {
  background: var(--input-bg);
  color: var(--text-main);
  transform: scale(1.08);
}

.action-btn:active {
  transform: scale(0.92);
}

.action-btn.delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.action-btn.pin-active {
  color: var(--primary);
  opacity: 1 !important;
}

.card-preview {
  font-size: 13px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
  margin: 0;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
  opacity: 0.85;
  margin-top: 2px;
}

.card-info-item {
  display: inline-flex;
  align-items: center;
}

.card-info-dot {
  color: var(--border);
  font-size: 10px;
}

/* Improved FAB */
.fab {
  position: absolute;
  bottom: calc(24px + var(--safe-area-bottom));
  right: 20px;
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: var(--bg-body);
  border-radius: 20px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  z-index: 50;
  cursor: pointer;
  transition: transform 0.24s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
}

.fab .svg-icon {
  width: 26px;
  height: 26px;
  transition: transform 0.24s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.fab:hover .svg-icon {
  transform: rotate(90deg);
}

.fab:active {
  transform: scale(0.92);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Premium Empty State */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 24px 80px;
  gap: 12px;
  text-align: center;
  user-select: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.empty-state-icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
}

.empty-state-icon .svg-icon {
  width: 32px;
  height: 32px;
  color: var(--text-muted);
  opacity: 0.75;
}

.empty-state-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.empty-state-desc {
  display: none;
}

.empty-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: var(--bg-body);
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-top: 6px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s;
}

.empty-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.empty-cta:active {
  transform: translateY(0);
}

.empty-cta .svg-icon {
  width: 18px;
  height: 18px;
}

/* --- EDITOR VIEW --- */
.editor-layout {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

/* TOC Sidebar - Modern Premium Design */
.toc-sidebar {
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  overflow: hidden;
  display: none;
  flex-direction: column;
  flex-shrink: 0;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.06);
}

.toc-sidebar.open {
  display: flex;
  transform: translateX(0);
  animation: tocSlideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes tocSlideIn {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* TOC Header */
.toc-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.toc-sidebar-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 7px;
}

.toc-sidebar-title .svg-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* TOC Scroll area */
.toc-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.toc-scroll::-webkit-scrollbar {
  width: 4px;
}

.toc-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.toc-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

/* TOC Empty State */
.toc-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  gap: 10px;
  color: var(--text-muted);
  text-align: center;
}

.toc-empty .svg-icon {
  width: 36px;
  height: 36px;
  opacity: 0.35;
  color: var(--primary);
}

.toc-empty p {
  font-size: 12px;
  line-height: 1.6;
  opacity: 0.7;
  margin: 0;
}

/* TOC items */
.toc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
  transition: background 0.18s ease, color 0.18s ease, transform 0.15s ease;
  position: relative;
  margin-bottom: 2px;
  overflow: hidden;
}

.toc-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 60%;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
  transition: transform 0.2s ease;
}

.toc-item:hover {
  background: var(--input-bg);
  color: var(--primary);
  transform: translateX(2px);
}

.toc-item:hover::before {
  transform: translateY(-50%) scaleY(1);
}

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

.toc-level-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: background 0.18s, color 0.18s;
}

.toc-h1 {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
  margin-top: 6px;
}

.toc-h1 .toc-level-badge {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text-main);
}

[data-theme="dark"] .toc-h1 .toc-level-badge {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.toc-h2 {
  padding-left: 10px;
  font-size: 12.5px;
}

.toc-h2 .toc-level-badge {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

[data-theme="dark"] .toc-h2 .toc-level-badge {
  color: #34d399;
}

.toc-h3 {
  padding-left: 22px;
  font-size: 12px;
  opacity: 0.85;
}

.toc-h3 .toc-level-badge {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
}

[data-theme="dark"] .toc-h3 .toc-level-badge {
  color: #fbbf24;
}

/* Divider between H1 sections */
.toc-h1:not(:first-child) {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg-body);
  overflow: hidden;
}

.editor-header-input {
  width: 100%;
  padding: 16px 18px 8px;
  font-size: 24px;
  font-weight: 700;
  border: none;
  background: var(--bg-body);
  color: var(--text-main);
  font-family: inherit;
}

.toolbar-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  overflow-x: auto;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  scrollbar-width: none;
}

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

.tool-group {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  flex-shrink: 0;
}

.tool-group:last-child {
  border-right: 1px solid var(--border);
}

.tool-btn {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  border: none;
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.16s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-btn:hover {
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.tool-btn:active {
  transform: scale(0.92);
}

.tool-btn.active {
  background: var(--primary);
  color: var(--bg-body);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.tool-btn .svg-icon {
  width: 17px;
  height: 17px;
}

/* --- FONT PICKER --- */
.font-group {
  background: transparent;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.font-picker-wrap {
  position: relative;
}

.font-picker-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--text-main);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.16s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Inter', sans-serif;
  min-width: 115px;
}

.font-picker-btn:hover {
  background: var(--bg-card);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.font-picker-btn.open {
  background: var(--bg-card);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .font-picker-btn.open {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.font-picker-label {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
}

.font-picker-arrow {
  transition: transform 0.2s ease;
  color: var(--text-muted);
}

.font-picker-btn.open .font-picker-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.font-dropdown {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  max-height: 340px;
  overflow-y: auto;
  z-index: 9999;
  display: none;
  padding: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  animation: fontDropIn 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.font-dropdown.open {
  display: block;
}

@keyframes fontDropIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.font-dropdown::-webkit-scrollbar {
  width: 4px;
}

.font-dropdown::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.font-dropdown-section {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 10px 4px;
  pointer-events: none;
  user-select: none;
}

.font-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-main);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s ease;
  text-align: left;
  gap: 8px;
}

.font-option:hover {
  background: var(--input-bg);
  color: var(--primary);
  transform: translateX(2px);
}

.font-option.active {
  background: var(--input-bg);
  color: var(--primary);
  font-weight: 600;
}

.font-option.active::after {
  content: '✓';
  font-size: 12px;
  color: var(--primary);
  font-weight: 700;
}

.font-preview {
  flex-shrink: 0;
  font-size: 11px;
  opacity: 0.5;
  font-weight: 400;
  letter-spacing: 0.03em;
}

/* Editor Body */
.editor-scroll-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--bg-body);
  display: flex;
  justify-content: center;
  position: relative;
}

.editor-body {
  width: 100%;
  min-height: 50vh;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-editor);
  font-size: 17px;
  line-height: 1.7;
  padding-bottom: 60px;
}

.editor-body h1 {
  font-size: 2em;
  margin: 0.7em 0 0.4em;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3em;
}

.editor-body h2 {
  font-size: 1.5em;
  margin: 0.8em 0 0.4em;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

.editor-body h3 {
  font-size: 1.25em;
  margin: 0.8em 0 0.4em;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

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

/* Table Styling for Editor */
.editor-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}

.editor-body th,
.editor-body td {
  border: 1px solid var(--text-muted);
  padding: 8px;
}

.editor-body th {
  background: var(--input-bg);
  font-weight: 600;
}

/* Image Styling */
.editor-body img {
  max-width: 100%;
  border-radius: 4px;
  display: inline-block;
  /* Changed from block to inline-block for float */
  margin: 5px;
  cursor: pointer;
  transition: 0.2s;
  border: 2px solid transparent;
}

.editor-body img:hover,
.editor-body img.selected {
  border-color: var(--primary);
}

.editor-body blockquote {
  border-left: 3px solid var(--primary);
  margin: 1em 0;
  padding-left: 1em;
  color: var(--text-muted);
  font-style: italic;
  background: var(--input-bg);
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
}

.editor-body pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}

/* Drop Zone Overlay */
.drop-zone {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(41, 120, 255, 0.1);
  border: 3px dashed var(--primary);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.drop-zone.active {
  display: flex;
}

.drop-msg {
  background: var(--bg-card);
  padding: 10px 20px;
  border-radius: 20px;
  font-weight: 600;
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* Goal Progress */
.goal-widget {
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  background: var(--input-bg);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.goal-widget:hover {
  border-color: var(--primary);
  color: var(--text-main);
  transform: translateY(-1px);
}

.progress-bar {
  width: 54px;
  height: 5px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--success);
  width: 0%;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 4px;
}

/* Cloud Sync Badge (Compact Icon Only) */
.cloud-sync-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

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

.cloud-sync-badge.synced {
  color: #10b981;
}

.cloud-sync-badge.syncing {
  color: var(--primary);
}

.cloud-sync-badge.dirty {
  color: #f59e0b;
}

.cloud-sync-badge.error {
  color: #ef4444;
}

.cloud-sync-badge .svg-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}


/* Status Bar */
.status-bar {
  padding: 8px 16px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: max(8px, var(--safe-area-bottom));
  transition: background 0.3s, color 0.3s;
}

.status-bar.error {
  background: var(--danger);
  color: white;
  border-top-color: transparent;
}

.status-bar.error #save-status {
  color: white;
}

/* --- FLOATING IMAGE TOOLBAR --- */
.img-toolbar {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 6px 8px;
  border-radius: var(--radius-md);
  display: none;
  align-items: center;
  gap: 4px;
  z-index: 50;
}

.img-toolbar.visible {
  display: flex;
}

.img-tool-btn {
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--input-bg);
  cursor: pointer;
  color: var(--text-main);
  font-size: 12px;
  font-weight: 500;
  min-width: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-tool-btn:hover {
  background: var(--primary);
  color: var(--bg-body);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.img-tool-btn:active {
  transform: scale(0.93);
}

.img-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

/* --- MODALS & SHEETS --- */
.bottom-sheet-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.bottom-sheet-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 10px 20px 24px calc(20px + var(--safe-area-bottom));
  transform: translateY(100%);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
}

/* Drag handle pill */
.bottom-sheet::before {
  content: '';
  display: block;
  width: 40px;
  height: 5px;
  background: var(--border);
  border-radius: 4px;
  margin: 6px auto 18px;
}

.bottom-sheet-overlay.open .bottom-sheet {
  transform: translateY(0);
}

.sheet-option {
  width: 100%;
  padding: 13px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
  transition: all 0.16s ease;
}

.sheet-option:hover {
  background: var(--input-bg);
  transform: translateX(3px);
}

.sheet-option .svg-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.sheet-option.danger {
  color: var(--danger);
}

.sheet-option.danger .svg-icon {
  color: var(--danger);
}

.sheet-option.danger:hover {
  background: rgba(239, 68, 68, 0.08);
}

/* Find & Replace Floating Panel */
.find-panel {
  position: absolute;
  top: 60px;
  right: 16px;
  width: 290px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  display: none;
  flex-direction: column;
  gap: 8px;
}

.find-panel.open {
  display: flex;
}

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

.find-input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 13.5px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.find-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
  outline: none;
}

[data-theme="dark"] .find-input:focus {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.find-status {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  font-weight: 600;
  min-width: 32px;
  justify-content: center;
}

.search-highlight {
  background-color: #ffd700;
  color: #000;
  border-radius: 3px;
  padding: 0 2px;
}

.search-highlight.active {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 0 0 2px var(--primary);
}

.mini-btn {
  padding: 7px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.mini-btn:hover {
  background: var(--primary);
  color: var(--bg-body);
  border-color: var(--primary);
  transform: scale(1.06);
}

.mini-btn:active {
  transform: scale(0.92);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--text-main);
  color: var(--bg-body);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s cubic-bezier(0.34, 1.4, 0.64, 1);
  z-index: 200;
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-lg);
}

/* --- CUSTOM MODAL POPUP --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  will-change: opacity, visibility;
  transform: translateZ(0);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  width: 90%;
  max-width: 360px;
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(4px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.16s ease;
  will-change: transform, opacity;
}

.modal-overlay.open .modal-box {
  transform: scale(1) translateY(0);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.modal-message {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.modal-btn:hover {
  transform: translateY(-1px);
}

.modal-btn:active {
  transform: scale(0.96);
}

.modal-btn.secondary {
  background: var(--input-bg);
  color: var(--text-muted);
}

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

.modal-btn.primary {
  background: var(--primary);
  color: var(--bg-body);
  box-shadow: var(--shadow-sm);
}

.modal-btn.primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.modal-btn.danger {
  background: var(--danger);
  color: white;
}

.modal-btn.danger:hover {
  background: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Stacked Modal Actions & Outline Button */
.modal-actions-stacked {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  width: 100%;
}

.modal-btn.outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border);
}

.modal-btn.outline:hover {
  background: var(--input-bg);
  border-color: var(--text-muted);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 0.96;
}

/* TOC active item state */
.toc-item.toc-active {
  background: var(--input-bg);
  color: var(--primary);
  font-weight: 600;
}

.toc-item.toc-active::before {
  transform: translateY(-50%) scaleY(1);
}

.toc-h1.toc-active {
  color: var(--primary);
}

/* --- COLOR TRIGGER BUTTON --- */
.color-trigger-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  height: 32px;
  width: 32px;
  padding: 3px 4px 4px;
  border-radius: var(--radius-xs);
}

.color-indicator {
  display: block;
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: #ef4444;
  transition: background 0.2s;
  margin-top: -2px;
}

.color-trigger-btn .svg-icon {
  width: 16px;
  height: 16px;
}

/* --- COLOR PICKER POPUP --- */
.color-picker-popup {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  z-index: 9999;
  display: none;
  flex-direction: column;
  gap: 8px;
  min-width: 196px;
  animation: colorPopIn 0.18s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.color-picker-popup.open {
  display: flex;
}

@keyframes colorPopIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-6px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.color-picker-header {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 2px 6px;
  border-bottom: 1px solid var(--border);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
  padding: 4px 0;
}

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.13s, border-color 0.13s, box-shadow 0.13s;
  position: relative;
}

.color-swatch:hover {
  transform: scale(1.22);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
  z-index: 1;
}

.color-swatch:active {
  transform: scale(0.96);
}

.color-picker-footer {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.color-reset-btn {
  width: 100%;
  padding: 7px 10px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.color-reset-btn:hover {
  background: rgba(239, 68, 68, 0.08);
  color: var(--danger);
  border-color: var(--danger);
}

/* --- LINK PREVIEW POPUP --- */
.link-preview-popup {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 10px 14px;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 440px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.22s cubic-bezier(0.34, 1.5, 0.64, 1);
}

.link-preview-popup.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.link-preview-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.link-preview-icon .svg-icon {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

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

.link-preview-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.link-preview-url {
  font-size: 13px;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.link-preview-visit {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 13px;
  background: var(--primary);
  color: var(--bg-body);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.link-preview-visit:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.link-preview-visit:active {
  transform: scale(0.96);
}

.link-preview-visit .svg-icon {
  width: 14px;
  height: 14px;
}

.link-preview-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.link-preview-close:hover {
  background: var(--input-bg);
  color: var(--text-main);
}

.link-preview-close .svg-icon {
  width: 16px;
  height: 16px;
}

/* --- LINK INSERT MODAL --- */
.link-insert-box {
  max-width: 380px;
}

.link-insert-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.link-insert-header .svg-icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
  background: var(--input-bg);
  padding: 6px;
  border-radius: var(--radius-sm);
}

.link-insert-field {
  margin-bottom: 14px;
}

.link-insert-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.link-insert-input {
  width: 100%;
  background: var(--input-bg);
  border: 1.5px solid var(--border);
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.link-insert-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .link-insert-input:focus {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.link-insert-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* Links inside editor body get underline style */
.editor-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.editor-body a:hover {
  opacity: 0.8;
}

/* =============================================
   HELP MODAL
   ============================================= */
.help-modal-box {
  max-width: 680px;
  width: 96vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.help-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

.help-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.help-modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--bg-body);
  font-size: 16px;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  flex-shrink: 0;
}

.help-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0 20px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.help-modal-body::-webkit-scrollbar {
  width: 5px;
}

.help-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.help-modal-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

/* Sections */
.help-section {
  margin-top: 24px;
}

.help-section:first-child {
  margin-top: 20px;
}

.help-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.help-section-title .svg-icon {
  width: 18px;
  height: 18px;
}

/* Intro block */
.help-intro {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-top: 20px;
}

.help-intro-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.help-intro-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Features grid */
.help-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.help-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.help-feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.help-feature-icon {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.help-feature-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.help-feature-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Steps */
.help-steps {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.help-steps li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  padding-left: 4px;
}

.help-steps li strong {
  color: var(--text-main);
}

/* Tips */
.help-tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.help-tips li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  background: var(--input-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.help-tips li strong {
  color: var(--text-main);
}

/* Footer */
.help-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.help-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.help-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
  .help-features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .help-modal-box {
    max-height: 92vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
}

/* ========== FONT SIZE PICKER ========== */
.font-size-group {
  background: transparent;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.font-size-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px;
}

.font-size-dec-btn,
.font-size-inc-btn {
  width: 28px !important;
  height: 32px !important;
  flex-shrink: 0;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.font-size-dec-btn:hover,
.font-size-inc-btn:hover {
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transform: scale(1.05);
}

.font-size-dec-btn:active,
.font-size-inc-btn:active {
  transform: scale(0.9);
}

.font-size-display-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  height: 32px;
  min-width: 44px;
  padding: 0 6px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-main);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
  transition: all 0.15s ease;
  user-select: none;
}

.font-size-display-btn:hover {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.font-size-display-btn.open {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

/* Dropdown */
.font-size-dropdown {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 220px;
  z-index: 9999;
  display: none;
  padding: 12px;
  animation: fontSizeDropIn 0.16s cubic-bezier(0.4, 0, 0.2, 1);
}

.font-size-dropdown.open {
  display: block;
}

@keyframes fontSizeDropIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.font-size-dropdown-header {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 2px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.font-size-presets {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 10px;
}

.font-size-preset {
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.font-size-preset:hover {
  background: var(--input-bg);
  color: var(--primary);
  border-color: var(--primary);
  transform: scale(1.06);
}

.font-size-preset:active {
  transform: scale(0.93);
}

.font-size-preset.active {
  background: var(--primary);
  color: var(--bg-body);
  border-color: var(--primary);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Slider row */
.font-size-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.font-size-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 4px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
}

.font-size-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}

.font-size-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.font-size-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* Sync Status Styles */
.sync-status-container {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.sync-status-container.syncing #sync-icon {
  animation: sync-spin 1.5s linear infinite;
  color: var(--primary);
}

.sync-status-container.synced {
  border-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
  background: rgba(16, 185, 129, 0.06);
}
.sync-status-container.synced #sync-icon {
  color: #10b981;
}

.sync-status-container.error {
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--danger);
  background: rgba(239, 68, 68, 0.06);
}
.sync-status-container.error #sync-icon {
  color: var(--danger);
}

@keyframes sync-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Editor Tabs Bar */
.editor-tabs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
  height: 46px;
}

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

.editor-tabs-list::-webkit-scrollbar {
  display: none;
}

.editor-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 6px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  max-width: 170px;
  min-width: 84px;
  justify-content: space-between;
}

.editor-tab:hover {
  background: var(--border);
  color: var(--text-main);
  transform: translateY(-1px);
}

.editor-tab.active {
  background: var(--bg-body);
  border-color: var(--primary);
  color: var(--text-main);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

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

.tab-edit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  color: var(--text-muted);
  transition: opacity 0.2s, background 0.2s, color 0.2s;
  cursor: pointer;
}

.editor-tab:hover .tab-edit-btn,
.editor-tab.active .tab-edit-btn {
  opacity: 0.6;
}

.tab-edit-btn:hover {
  opacity: 1 !important;
  background: var(--border);
  color: var(--text-main);
}

.tab-edit-btn .svg-icon {
  width: 12px;
  height: 12px;
}

.tab-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}

.tab-close-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

.tab-close-btn .svg-icon {
  width: 12px;
  height: 12px;
}

.btn-add-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-add-tab:hover {
  background: var(--primary);
  color: var(--bg-body);
  border-color: var(--primary);
  transform: scale(1.06);
}

.btn-add-tab:active {
  transform: scale(0.94);
}

.btn-add-tab .svg-icon {
  width: 16px;
  height: 16px;
}

/* Empty Trash Button */
.empty-trash-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.empty-trash-btn:hover {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--danger);
  transform: translateY(-1px);
}

.empty-trash-btn:active {
  transform: translateY(0);
}

.empty-trash-btn .svg-icon {
  width: 13px;
  height: 13px;
}

/* ==========================================================================
   GOOGLE DOCS UPGRADE: PAGINATED A4 VIEW, NAMED VERSIONS & VISUAL DIFF
   ========================================================================== */

/* --- 1. Paginated A4 View Mode --- */
.paginated-a4-mode .editor-scroll-container {
  background-color: #f1f3f5;
  padding: 30px 16px 80px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  transition: background-color 0.3s ease;
}

[data-theme="dark"] .paginated-a4-mode .editor-scroll-container {
  background-color: #121215;
}

.paginated-a4-mode .editor-body {
  max-width: 816px !important;
  width: 100%;
  min-height: 1056px;
  background-color: #ffffff !important;
  color: #111827 !important;
  padding: 56px 64px !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05) !important;
  border-radius: 4px !important;
  border: 1px solid #e5e7eb;
  margin: 0 auto;
  line-height: 1.7;
}

[data-theme="dark"] .paginated-a4-mode .editor-body {
  background-color: #18181b !important;
  color: #f4f4f5 !important;
  border-color: #27272a;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5) !important;
}

.paginated-a4-mode .editor-header-input {
  max-width: 816px;
  margin: 0 auto 12px;
}

/* Layout Mode Toggle Button in Header */
.btn-layout-active {
  color: var(--primary) !important;
  background: var(--input-bg);
}

/* --- 2. Named Version History Cards --- */
.history-header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.btn-snapshot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: var(--bg-body);
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.btn-snapshot:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.history-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 10px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.history-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.history-card-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  overflow: hidden;
}

.history-card-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-named-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  flex-shrink: 0;
}

.history-card-time {
  font-size: 11.5px;
  color: var(--text-muted);
}

.history-card-preview {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  background: var(--input-bg);
  padding: 6px 10px;
  border-radius: var(--radius-xs);
}

.history-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
}

.btn-hist-mini {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text-main);
  font-size: 11.5px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.16s ease;
}

.btn-hist-mini:hover {
  background: var(--bg-body);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-hist-mini.primary {
  background: var(--primary);
  color: var(--bg-body);
  border-color: var(--primary);
}

/* --- 3. Visual Diff Viewer Modal --- */
.diff-modal-box {
  max-width: 780px !important;
  width: 92% !important;
  max-height: 85vh !important;
  display: flex;
  flex-direction: column;
  padding: 20px !important;
}

.diff-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.diff-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.diff-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  font-weight: 600;
}

.diff-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.diff-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.diff-viewer-body {
  flex: 1;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  background: var(--bg-card);
  line-height: 1.8;
  font-size: 14px;
  max-height: 55vh;
}

/* Visual Diff Highlighting */
ins.diff-ins {
  background-color: #dcfce7 !important;
  color: #15803d !important;
  text-decoration: none !important;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 500;
}

del.diff-del {
  background-color: #fee2e2 !important;
  color: #b91c1c !important;
  text-decoration: line-through !important;
  padding: 1px 4px;
  border-radius: 3px;
  opacity: 0.8;
}

[data-theme="dark"] ins.diff-ins {
  background-color: rgba(22, 101, 52, 0.4) !important;
  color: #4ade80 !important;
}

[data-theme="dark"] del.diff-del {
  background-color: rgba(153, 27, 27, 0.4) !important;
  color: #f87171 !important;
}