/* 
  '도서출판독자' E-Book Creator - Main Application UI/UX Stylesheet
  Implements a premium, modern dark/slate themed editor dashboard with high-end aesthetics.
*/

:root {
  /* Color System - Warm Charcoal & Luxurious Off-white / Cream with Hermes Orange Accent */
  --bg-primary: #141211;     /* deep warm dark, comfortable for eyes */
  --bg-secondary: #1b1917;   /* warm charcoal dark */
  --bg-tertiary: #262220;    /* warm medium dark */
  --bg-panel: #1e1b1a;       /* sidebar panels background */
  
  --text-primary: #ede5d8;   /* warm cream off-white, reduces eye strain */
  --text-secondary: #b5a897; /* muted warm cream */
  --text-muted: #7e7161;     /* soft brown-grey */
  
  --accent-color: #e35b15;   /* Hermes Orange signature color */
  --accent-hover: #c94b0d;   /* darker Hermes orange for hover */
  --accent-light: rgba(227, 91, 21, 0.15);
  
  --success-color: #059669;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --danger-hover: #b91c1c;
  
  --border-color: #2d2926;   /* warm border */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  
  --font-primary: 'Inter', 'Noto Sans KR', sans-serif;
  --font-title: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
  --font-serif: 'Nanum Myeongjo', serif;
  
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ==========================================================================
   GLOBAL RESET & UTILITIES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
  height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--text-primary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Views display switcher */
.view-active {
  display: flex !important;
  flex-direction: column;
  min-height: 100vh;
}
.view-hidden {
  display: none !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-color);
  color: white;
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(227, 91, 21, 0.4);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-accent {
  background-color: #c59b27;
  color: white;
}
.btn-accent:hover {
  background-color: #a8811b;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(197, 155, 39, 0.4);
}

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

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: var(--border-radius-sm);
}

.btn-large {
  padding: 12px 24px;
  font-size: 16px;
}

.btn-icon-text {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}
.btn-icon-text:hover {
  color: var(--text-primary);
}

/* Divider vertical */
.divider-v {
  width: 1px;
  height: 24px;
  background-color: var(--border-color);
  margin: 0 15px;
}

/* ==========================================================================
   1. DASHBOARD VIEW STYLING
   ========================================================================== */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.dash-brand {
  display: flex;
  align-items: center;
  gap: 15px;
}
.brand-icon {
  font-size: 32px;
  color: var(--accent-color);
}
.dash-brand h1 {
  font-size: 20px;
  letter-spacing: 0.5px;
}
.dash-brand p {
  font-size: 12px;
  color: var(--text-secondary);
}

.dash-actions {
  display: flex;
  gap: 15px;
}

.dash-main {
  flex: 1;
  padding: 40px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.dash-section {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-header h2 {
  font-size: 20px;
  font-weight: 500;
}
.book-count-badge {
  background-color: var(--accent-light);
  color: var(--accent-color);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}

/* Grid layout for book cards */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.book-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}
.book-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(227, 91, 21, 0.4);
}

.book-card-cover-wrap {
  height: 220px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  cursor: pointer;
}

/* Small cover simulation inside card */
.mini-cover {
  width: 110px;
  height: 165px;
  border-radius: 3px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  padding: 10px;
  box-sizing: border-box;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.mini-cover.has-image {
  padding: 0;
}
.mini-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-cover-title {
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: bold;
  line-height: 1.2;
  margin-top: 15px;
  word-break: keep-all;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mini-cover-author {
  font-size: 8px;
  margin-top: auto;
  margin-bottom: 5px;
}

.book-card-content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.book-card-title {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.book-card-author {
  font-size: 13px;
  color: var(--text-secondary);
}
.book-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
}

.book-card-actions {
  display: flex;
  padding: 12px 18px;
  background-color: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-color);
  gap: 10px;
}
.book-card-actions .btn {
  flex: 1;
}
.btn-card-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px 10px;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}
.btn-card-delete:hover {
  color: var(--danger-color);
  background-color: rgba(220, 38, 38, 0.1);
}

/* Empty State Styling */
.empty-state {
  text-align: center;
  padding: 80px 40px;
  background-color: var(--bg-panel);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}
.empty-icon {
  font-size: 64px;
  color: var(--text-muted);
}
.empty-state h3 {
  font-size: 18px;
  font-weight: 500;
}
.empty-state p {
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: 10px;
}

.dash-footer {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 12px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}


/* ==========================================================================
   2. WORKSPACE VIEW STYLING
   ========================================================================== */
.ws-header {
  height: 65px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.ws-header-left {
  display: inline-flex;
  align-items: center;
}
.btn-text-only {
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
}
.btn-text-only:hover {
  background-color: var(--bg-tertiary);
}
.ws-book-title {
  font-size: 16px;
  font-weight: 600;
  max-width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ws-header-actions {
  display: flex;
  gap: 10px;
}

/* Workspace Main Container */
.ws-container {
  display: grid;
  grid-template-columns: 340px 1fr 420px; /* Sidebar, Editor, Preview (Wider for device mockups) */
  height: calc(100vh - 65px);
  position: relative;
  overflow: hidden;
  transition: grid-template-columns 0.3s ease;
}

.ws-container.preview-closed {
  grid-template-columns: 340px 1fr 48px;
}

/* Sidebars Base */
.ws-sidebar, .ws-preview-panel {
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.ws-preview-panel {
  border-right: none;
  border-left: 1px solid var(--border-color);
  transition: width 0.3s ease;
}

/* Collapsed Preview Panel */
.ws-preview-panel.collapsed {
  width: 48px;
  align-items: center;
  padding-top: 15px;
}

.preview-expanded-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.ws-preview-panel.collapsed .preview-expanded-content {
  display: none;
}

.ws-preview-panel.collapsed .preview-collapsed-bar {
  display: flex !important;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.btn-collapsed-open {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.btn-collapsed-open:hover {
  color: var(--accent-color);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Sidebar Tab Buttons */
.ws-tabs {
  display: flex;
  background-color: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

.ws-tab-btn {
  flex: 1;
  padding: 12px 5px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ws-tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.ws-tab-btn.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
  background-color: var(--bg-panel);
}

/* Sidebar Scrollable Content */
.ws-tab-content-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.ws-tab-pane {
  display: none;
}
.ws-tab-pane.active {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ws-tab-pane h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group label .required {
  color: var(--danger-color);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-custom {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.form-row-checkbox input {
  cursor: pointer;
}

/* Preset selector grid (for cover covers) */
.preset-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.preset-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 10px 5px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}
.preset-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}
.preset-btn.active {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--text-primary);
}
.preset-btn i {
  font-size: 16px;
}

/* Background palette selector */
.bg-palette-selector {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.palette-btn {
  aspect-ratio: 1;
  border-radius: var(--border-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.palette-btn:hover {
  transform: scale(1.1);
}
.palette-btn.active {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
}

/* File Drop Area */
.file-drop-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.1);
  position: relative;
  transition: border-color var(--transition-fast);
}
.file-drop-area:hover {
  border-color: var(--accent-color);
}
.file-drop-area i {
  font-size: 24px;
  color: var(--text-secondary);
}
.file-drop-area span {
  font-size: 13px;
  color: var(--text-secondary);
}
.file-drop-area input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* Accordion for customized styles */
.style-customize-accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--bg-secondary);
}
.accordion-header {
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  user-select: none;
  background-color: rgba(255, 255, 255, 0.02);
}
.accordion-header:hover {
  background-color: rgba(255, 255, 255, 0.05);
}
.accordion-body {
  padding: 15px;
  display: none;
  border-top: 1px solid var(--border-color);
  flex-direction: column;
  gap: 15px;
}
.style-customize-accordion.active .accordion-body {
  display: flex;
}
.style-customize-accordion.active .accordion-header i.fa-chevron-down {
  transform: rotate(180deg);
}

/* Sliders */
.slide-control {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}
.slide-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}
.slide-control input[type="range"] {
  width: 100%;
  accent-color: var(--accent-color);
  background: var(--bg-secondary);
  height: 6px;
  border-radius: 3px;
  outline: none;
}

/* Cover canvas layout render */
.cover-thumbnail-area {
  margin-top: 10px;
}
.cover-canvas-container {
  display: flex;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  padding: 10px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}
#cover-render-canvas {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 1 / 1.5;
  background-color: white;
  border-radius: 4px;
  box-shadow: var(--shadow-md);
}

/* Interior Theme Card Selector */
.theme-selector-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.theme-card {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.theme-card:hover {
  border-color: var(--text-muted);
}
.theme-card.active {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}

.theme-card-preview {
  width: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.05);
  border-right: 1px solid var(--border-color);
  color: var(--text-primary);
}
.theme-card-preview h4 {
  font-size: 24px;
}
.theme-card-preview p {
  font-size: 8px;
  white-space: nowrap;
}

.theme-card-info {
  padding: 10px;
  flex: 1;
}
.theme-card-info h4 {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.theme-card-info p {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* Chapter List Section (Bottom of sidebar) */
.sidebar-chapters-area {
  height: 250px;
  border-top: 1px solid var(--border-color);
  padding: 15px 20px;
  display: flex;
  flex-direction: column;
  background-color: rgba(0,0,0,0.15);
}
.chapters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.chapters-header h3 {
  font-size: 13px;
  font-weight: 600;
}
.chapters-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.chapter-item {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: var(--border-radius-md);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition-fast);
  gap: 8px;
  user-select: none;
}
.chapter-item:hover {
  background-color: var(--bg-tertiary);
}
.chapter-item.active {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
  color: var(--text-primary);
}
.chapter-item-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chapter-item-drag {
  color: var(--text-muted);
  cursor: grab;
}
.chapter-item-controls {
  display: flex;
  gap: 2px;
  opacity: 0.3;
  transition: opacity var(--transition-fast);
}
.chapter-item:hover .chapter-item-controls {
  opacity: 1;
}
.chapter-btn-move {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 4px;
}
.chapter-btn-move:hover {
  color: var(--accent-color);
}

/* ==========================================================================
   3. MIDDLE PANEL: EDITOR STYLING
   ========================================================================== */
.ws-editor-panel {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  height: 100%;
  overflow: hidden;
}

.editor-chapter-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  gap: 20px;
}
.editor-chapter-meta input[type="text"] {
  background: none;
  border: none;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}
.editor-chapter-meta input[type="text"]:focus {
  outline: none;
}

.chapter-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}
.lbl-chapter-size {
  font-size: 12px;
  color: var(--text-muted);
}

/* Quill Editor Overrides to Fit Theme */
.editor-main-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Force Quill to look like our editor theme */
.ql-toolbar.ql-snow {
  background-color: var(--bg-panel) !important;
  border: none !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 8px 25px !important;
}

.ql-container.ql-snow {
  border: none !important;
  flex: 1 !important;
  overflow-y: auto !important;
}

.ql-editor {
  padding: 30px 40px !important;
  font-size: 16px !important;
  line-height: 1.8 !important;
  color: #e2e8f0 !important;
  font-family: var(--font-primary) !important;
}

.ql-editor.ql-blank::before {
  color: var(--text-muted) !important;
  font-style: normal !important;
  left: 40px !important;
  right: 40px !important;
}

/* Styling Quill dropdowns and icons for dark theme */
.ql-snow .ql-stroke {
  stroke: var(--text-secondary) !important;
}
.ql-snow .ql-fill {
  fill: var(--text-secondary) !important;
}
.ql-snow .ql-picker {
  color: var(--text-secondary) !important;
}
.ql-snow .ql-picker-options {
  background-color: var(--bg-panel) !important;
  border-color: var(--border-color) !important;
}
.ql-snow .ql-picker-item:hover, .ql-snow .ql-picker-label:hover {
  color: var(--text-primary) !important;
}
.ql-snow.ql-toolbar button:hover .ql-stroke, 
.ql-snow .ql-toolbar button:hover .ql-stroke, 
.ql-snow.ql-toolbar button.ql-active .ql-stroke, 
.ql-snow .ql-toolbar button.ql-active .ql-stroke {
  stroke: var(--accent-color) !important;
}

.ql-editor blockquote {
  border-left: 4px solid var(--accent-color) !important;
  background-color: rgba(255, 255, 255, 0.02) !important;
  color: var(--text-secondary) !important;
}

.ql-editor pre.ql-syntax {
  background-color: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  color: #cbd5e0 !important;
  border-radius: var(--border-radius-md) !important;
}

/* Custom tools bar at the bottom of editor */
.editor-helpers-bar {
  display: flex;
  align-items: center;
  padding: 10px 25px;
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  gap: 12px;
}
.editor-helpers-bar.hidden {
  display: none !important;
}
.editor-helpers-bar .help-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ==========================================================================
   4. RIGHT PANEL: PREVIEW STYLING
   ========================================================================== */
.ws-preview-panel {
  width: 100%;
}
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-color);
}
.preview-header h3 {
  font-size: 14px;
}

.preview-device-selector {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 2px;
}
.device-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px 8px;
  font-size: 14px;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}
.device-btn.active {
  background-color: var(--bg-tertiary);
  color: var(--accent-color);
}

/* Viewport simulation container */
.preview-viewport-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-primary);
  padding: 10px;
  overflow: hidden;
  position: relative; /* important for absolute scaling */
}

/* Simulated devices with actual resolutions scaled down */
.preview-device-frame {
  background-color: #0d0c0b;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  transition: transform var(--transition-normal);
  overflow: hidden;
  flex-shrink: 0;
  position: absolute; /* allows smooth scaling inside container */
}

/* Phone Simulator - Modern iPhone/Galaxy resolution scaled down */
.device-phone {
  width: 393px;   /* iPhone 15 width */
  height: 852px;  /* iPhone 15 height */
  border-radius: 44px;
  border: 12px solid #2d2926;
  padding: 8px;
}
.device-phone .preview-screen-bezel {
  border-radius: 32px;
}

/* Tablet Simulator - Modern iPad Mini/Air scaled down */
.device-tablet {
  width: 768px;
  height: 1024px;
  border-radius: 24px;
  border: 16px solid #2d2926;
  padding: 4px;
}
.device-tablet .preview-screen-bezel {
  border-radius: 10px;
}

/* A4 Print layout simulator: 794 x 1123 */
.device-print {
  width: 794px;
  height: 1123px;
  border: 2px solid var(--accent-color);
  border-radius: 0;
  padding: 0;
  background: white;
}
.device-print .preview-screen-bezel {
  border-radius: 0;
}

/* Common bezel & screen elements */
.preview-screen-bezel {
  width: 100%;
  height: 100%;
  background-color: white;
  overflow: hidden;
  position: relative;
}

.preview-screen-content {
  width: 100%;
  height: 100%;
}

.preview-screen-content iframe {
  width: 100%;
  height: 100%;
  border: none;
  background-color: white;
}

/* Pagination bar below previewer */
.preview-footer-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  font-size: 12px;
  color: var(--text-secondary);
}


/* ==========================================================================
   5. REAL-TIME UPAPER VALIDATOR OVERLAYS
   ========================================================================== */
.validator-badge-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: all var(--transition-fast);
}

.validator-badge-wrap:hover {
  background-color: var(--border-color);
  border-color: var(--accent-color);
}

.val-score-badge {
  font-size: 13px;
  font-weight: 700;
  background-color: var(--success-color);
  color: white;
  padding: 1px 8px;
  border-radius: 10px;
}

/* Status colors dynamically assigned */
.val-score-badge.status-warning {
  background-color: var(--warning-color);
}
.val-score-badge.status-error {
  background-color: var(--danger-color);
}

.val-status-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.validator-badge-wrap i {
  color: var(--text-muted);
  font-size: 14px;
}

/* Validator drop down container */
.validator-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  z-index: 99;
  display: none;
  cursor: default;
}

.validator-badge-wrap:hover .validator-dropdown,
.validator-dropdown:hover,
.validator-dropdown.active {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.validator-dropdown h3 {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.val-summary {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.val-summary-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.val-summary-item .label {
  color: var(--text-secondary);
  font-size: 11px;
}
.val-summary-item strong {
  font-size: 15px;
}
.val-summary-item span {
  font-weight: 600;
}
.status-pass { color: var(--success-color); }
.status-warn { color: var(--warning-color); }
.status-fail { color: var(--danger-color); }

.val-divider {
  height: 1px;
  background-color: var(--border-color);
}

.validator-dropdown h4 {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.val-issues-list {
  max-height: 180px;
  overflow-y: auto;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.val-issue-item {
  font-size: 12px;
  padding: 8px 10px;
  border-radius: var(--border-radius-sm);
  display: flex;
  gap: 8px;
  line-height: 1.4;
  align-items: flex-start;
}

.val-issue-item.issue-pass {
  background-color: rgba(5, 150, 105, 0.1);
  color: #a7f3d0;
  border-left: 3px solid var(--success-color);
}
.val-issue-item.issue-warning {
  background-color: rgba(217, 119, 6, 0.1);
  color: #fde68a;
  border-left: 3px solid var(--warning-color);
}
.val-issue-item.issue-error {
  background-color: rgba(220, 38, 38, 0.1);
  color: #fca5a5;
  border-left: 3px solid var(--danger-color);
}

.val-issue-item i {
  font-size: 14px;
  margin-top: 2px;
}
.val-issue-item.issue-pass i { color: var(--success-color); }
.val-issue-item.issue-warning i { color: var(--warning-color); }
.val-issue-item.issue-error i { color: var(--danger-color); }

/* Custom Checkbox/Toggle Styles */
input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent-color);
}

/* ==========================================================================
   MODAL COMPONENT STYLING
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.modal-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: scaleUp 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--text-primary);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-icon {
  font-size: 20px;
  color: var(--warning-color);
}

.modal-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-body strong {
  color: var(--accent-color); /* Hermes Orange */
}

.modal-tip {
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(217, 119, 6, 0.05);
  border-left: 3px solid var(--warning-color);
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  margin-top: 5px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleUp {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   6. AUTHENTICATION OVERLAY STYLING (Warm Dark Theme)
   ========================================================================== */
.auth-overlay-active {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary); /* Full deep espresso background */
  z-index: 9999; /* Over everything */
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease-out;
}

.auth-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 400px;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: scaleUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.auth-logo {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.auth-logo .brand-icon {
  font-size: 40px;
  color: var(--accent-color); /* Hermes Orange */
}

.auth-logo h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.auth-logo p {
  font-size: 13px;
  color: var(--text-muted);
}

.auth-warning {
  background-color: rgba(220, 38, 38, 0.1);
  border-left: 3px solid var(--danger-color);
  color: #fca5a5;
  padding: 10px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  line-height: 1.5;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.auth-warning i {
  font-size: 14px;
  margin-top: 2px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.auth-switch {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 10px;
}

.btn-text-link {
  background: none;
  border: none;
  color: var(--accent-color);
  cursor: pointer;
  font-weight: 600;
  text-decoration: underline;
  padding: 0;
}

.btn-text-link:hover {
  color: #f07e43;
}

.user-status-indicator {
  font-size: 12px;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 12px;
  display: inline-block;
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

/* Auth Card Inputs high readability (White background + Black text) */
.auth-card .form-group input {
  background-color: #ffffff !important;
  color: #000000 !important;
  border: 1px solid #c2b8aa !important;
}

.auth-card .form-group input::placeholder {
  color: #888888 !important;
}

.auth-card .form-group input:focus {
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 0 2px var(--accent-light) !important;
}

/* Quill custom font size dropdown styling in Snow theme */
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="x-small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="x-small"]::before {
  content: '아주 작게' !important;
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: '작게' !important;
}
.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: '보통' !important;
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: '크게' !important;
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: '아주 크게' !important;
}

/* Size classes inside the editor */
.ql-editor .ql-size-x-small { font-size: 0.75em !important; }
.ql-editor .ql-size-small { font-size: 0.85em !important; }
.ql-editor .ql-size-large { font-size: 1.3em !important; }
.ql-editor .ql-size-huge { font-size: 1.7em !important; }