/* ================================================================
   PDFnestify — edit-pdf.css
   Professional Rebuilt PDF Editor Layout & Styles
   ================================================================ */

/* Keep default header and footer displayed normally in the layout */

body[data-page="edit-pdf"] {
  background-color: #f8fafc;
}

/* Light / Dark Mode Variables */
:root {
  --editor-bg: #f1f5f9;
  --panel-bg: #ffffff;
  --panel-border: #e2e8f0;
  --panel-text: #0f172a;
  --panel-muted: #64748b;
  --toolbar-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
  --ruler-bg: #f8fafc;
  --ruler-text: #94a3b8;
  --page-shadow: 0 4px 20px rgba(15, 23, 42, 0.05), 0 2px 8px rgba(15, 23, 42, 0.05);
}

.dark-theme {
  --editor-bg: #0b0f19;
  --panel-bg: #151c2c;
  --panel-border: #242f47;
  --panel-text: #f8fafc;
  --panel-muted: #94a3b8;
  --toolbar-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --ruler-bg: #0f172a;
  --ruler-text: #64748b;
  --page-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Base Editor Layout Container */
.editor-main-container {
  width: 100%;
  font-family: var(--font-b);
  color: var(--panel-text);
  background-color: var(--editor-bg);
  transition: background-color 0.2s ease;
}

/* ================================================================
   1. UPLOAD VIEW SECTION
   ================================================================ */
.editor-upload-section {
  min-height: calc(100vh - 380px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  background-color: var(--bg);
}
.editor-upload-section .tool-header {
  text-align: center;
  margin-bottom: 40px;
}
.editor-upload-section .tool-header h1 {
  font-family: var(--font-h);
  font-size: 38px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.editor-upload-section .tool-header p {
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}
.editor-upload-section .upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r-l);
  background: var(--white);
  padding: 50px 30px;
  transition: var(--t);
  max-width: 700px;
  margin: 0 auto;
}
.editor-upload-section .upload-zone:hover,
.editor-upload-section .upload-zone.dragover {
  border-color: var(--red);
  background: var(--red-light);
}
.quick-features-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 50px auto 0;
}
.q-feat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  padding: 20px;
  text-align: center;
  box-shadow: var(--sh-s);
}
.q-feat-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 10px;
}
.q-feat-card h4 {
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.q-feat-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

/* ================================================================
   2. WORKSPACE SUB HEADER / TOP ACTION BAR
   ================================================================ */
.editor-workspace {
  display: flex;
  flex-direction: column;
  width: min(1400px, 95%);
  margin: 40px auto 80px;
  height: 750px;
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--sh-m);
  overflow: hidden;
  position: relative;
}
.editor-sub-header {
  height: 54px;
  background-color: var(--panel-bg);
  border-bottom: 1.5px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 200;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  transition: background-color 0.2s, border-color 0.2s;
}
.esh-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.esh-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1.5px solid var(--panel-border);
  color: var(--panel-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.esh-home-btn:hover {
  color: var(--red);
  background-color: var(--red-light);
  border-color: var(--red-border);
}
.esh-filename-wrapper {
  display: flex;
  flex-direction: column;
}
.esh-filename {
  font-size: 14px;
  font-weight: 700;
  color: var(--panel-text);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.esh-filepages {
  font-size: 11px;
  color: var(--panel-muted);
  font-weight: 500;
}
.esh-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.esh-zoom-control {
  display: flex;
  align-items: center;
  background: var(--editor-bg);
  border-radius: 8px;
  padding: 2px;
  border: 1.5px solid var(--panel-border);
}
.btn-zoom-icon {
  background: transparent;
  border: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--panel-muted);
  cursor: pointer;
  border-radius: 6px;
}
.btn-zoom-icon:hover {
  background-color: var(--panel-bg);
  color: var(--panel-text);
}
.zoom-dropdown {
  background: transparent;
  border: none;
  font-size: 12px;
  font-weight: 600;
  padding: 0 4px;
  color: var(--panel-text);
  cursor: pointer;
  outline: none;
}
.btn-tool-icon {
  background: transparent;
  border: 1.5px solid var(--panel-border);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--panel-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-tool-icon:hover {
  color: var(--panel-text);
  background-color: var(--editor-bg);
}
.esh-divider {
  width: 1.5px;
  height: 20px;
  background-color: var(--panel-border);
  margin: 0 4px;
}

/* Search Box Overlay */
.esh-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.esh-search-box {
  position: absolute;
  right: 0;
  top: 40px;
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px;
  box-shadow: var(--toolbar-shadow);
  display: flex;
  align-items: center;
  gap: 6px;
  width: 480px;
  z-index: 500;
}
.esh-search-box input {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1.5px solid var(--panel-border);
  font-size: 12px;
  background-color: var(--editor-bg);
  color: var(--panel-text);
}
.esh-search-box input:focus {
  border-color: var(--red);
  outline: none;
}
.search-results-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--panel-muted);
  min-width: 40px;
  text-align: center;
}
.btn-search-nav {
  background: var(--editor-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 6px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--panel-text);
}
.btn-action-small {
  padding: 6px 10px;
  background-color: var(--red);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.btn-action-small:hover {
  background-color: var(--red-h);
}
.btn-search-close {
  background: transparent;
  border: none;
  font-size: 12px;
  color: var(--panel-muted);
  cursor: pointer;
  padding: 0 4px;
}
.btn-search-close:hover {
  color: var(--panel-text);
}

/* ================================================================
   3. FLOATING MAIN RIBBON TOOLBAR (Sejda inspired)
   ================================================================ */
.floating-editor-toolbar {
  position: relative;
  top: 0;
  left: 0;
  transform: none;
  z-index: 150;
  pointer-events: auto;
  display: flex;
  justify-content: center;
  padding: 10px 0;
  border-bottom: 1.5px solid var(--panel-border);
  background-color: var(--panel-bg);
}
.fet-inner {
  pointer-events: auto;
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 99px;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--toolbar-shadow);
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.fet-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 99px;
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  color: var(--panel-text);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.fet-btn:hover {
  background-color: var(--editor-bg);
}
.fet-btn.active {
  background-color: var(--red);
  color: white;
}
.fet-btn-icon {
  background: transparent;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--panel-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.fet-btn-icon:hover:not(:disabled) {
  background-color: var(--editor-bg);
  color: var(--panel-text);
}
.fet-btn-icon:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.fet-divider {
  width: 1.5px;
  height: 18px;
  background-color: var(--panel-border);
  margin: 0 6px;
}
.fet-icon {
  font-size: 14px;
  font-weight: 700;
}
.fet-btn .caret {
  font-size: 8px;
  opacity: 0.6;
  margin-left: 2px;
}

/* Dropdown styling */
.fet-dropdown-wrap {
  position: relative;
}
.fet-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: var(--toolbar-shadow);
  padding: 6px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.15s ease;
  z-index: 500;
  display: flex;
  flex-direction: column;
}
.fet-dropdown-wrap:hover .fet-dropdown-menu,
.fet-dropdown-wrap.active .fet-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.fet-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--panel-text);
  transition: background-color 0.2s;
}
.fet-dropdown-menu a:hover {
  background-color: var(--editor-bg);
}
.menu-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
}
.dropdown-submenu-divider {
  height: 1.5px;
  background-color: var(--panel-border);
  margin: 6px 0;
}

/* ================================================================
   4. LAYOUT SIDEBARS & VIEWPORT
   ================================================================ */
.editor-workspace-layout {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  overflow: hidden;
  position: relative;
}

/* Left Sidebar (Pages list) */
.editor-left-sidebar {
  display: none !important;
  width: 220px;
  background-color: var(--panel-bg);
  border-right: 1.5px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: margin-left 0.25s ease, background-color 0.2s, border-color 0.2s;
}
.els-header {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1.5px solid var(--panel-border);
}
.els-header h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--panel-muted);
}
.els-collapse-btn {
  background: transparent;
  border: none;
  color: var(--panel-muted);
  cursor: pointer;
  font-size: 12px;
}
.els-collapse-btn:hover {
  color: var(--panel-text);
}
.els-thumbnail-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.els-actions {
  padding: 12px 16px;
  border-top: 1.5px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: var(--panel-bg);
}
.btn-sidebar-action {
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  border: 1.5px solid var(--panel-border);
  background: var(--editor-bg);
  color: var(--panel-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-sidebar-action:hover {
  background-color: var(--panel-border);
  border-color: var(--panel-muted);
}
.els-expand-trigger {
  display: none !important;
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 120;
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--panel-text);
  box-shadow: var(--sh-s);
  cursor: pointer;
}

/* Thumbnail Cards */
.thumb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  cursor: grab;
  transition: all 0.2s;
  background-color: var(--editor-bg);
}
.thumb-card:hover {
  border-color: var(--panel-border);
  background-color: var(--panel-bg);
  box-shadow: var(--sh-s);
}
.thumb-card.selected {
  border-color: var(--red);
  background-color: var(--red-light);
}
.thumb-canvas-wrap {
  position: relative;
  width: 120px;
  height: 160px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  overflow: hidden;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}
.thumb-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.thumb-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--panel-muted);
}
/* Thumbnail hover toolbar controls */
.thumb-card-toolbar {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.2s;
}
.thumb-card:hover .thumb-card-toolbar {
  opacity: 1;
}
.btn-thumb-control {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background-color: rgba(15, 23, 42, 0.8);
  color: white;
  border: none;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
}
.btn-thumb-control:hover {
  background-color: var(--red);
}

/* Center Workspace Viewport */
.editor-viewport {
  flex: 1;
  overflow: auto;
  position: relative;
  scroll-behavior: smooth;
  outline: none;
}
.editor-canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 60px 40px 180px; /* large bottom padding for floating Apply footer */
  min-width: fit-content;
}

/* Scrolled/Floating Header & Toolbar Layout */
.editor-sub-header,
.floating-editor-toolbar {
  transition: background-color 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.editor-workspace.scrolled .editor-sub-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1.5px solid var(--panel-border);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
}

.dark-theme .editor-workspace.scrolled .editor-sub-header {
  background-color: rgba(21, 28, 44, 0.9);
}

.editor-workspace.scrolled .floating-editor-toolbar {
  position: absolute;
  top: 54px; /* below subheader (height=54px) */
  left: 0;
  right: 0;
  z-index: 450;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1.5px solid var(--panel-border);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04);
}

.dark-theme .editor-workspace.scrolled .floating-editor-toolbar {
  background-color: rgba(21, 28, 44, 0.9);
}

.editor-workspace.scrolled .editor-viewport {
  padding-top: 110px; /* Offset the 54px sub-header + 56px toolbar = 110px */
}


/* Rulers */
.editor-ruler-h {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 18px;
  background-color: var(--ruler-bg);
  border-bottom: 1px solid var(--panel-border);
  z-index: 10;
  display: none; /* toggled via JS */
}
.editor-ruler-v {
  position: sticky;
  top: 18px;
  left: 0;
  width: 18px;
  height: 100%;
  background-color: var(--ruler-bg);
  border-right: 1px solid var(--panel-border);
  z-index: 10;
  display: none; /* toggled via JS */
}

/* Right Sidebar */
.editor-right-sidebar {
  display: none !important;
  width: 280px;
  background-color: var(--panel-bg);
  border-left: 1.5px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: margin-right 0.25s ease, background-color 0.2s, border-color 0.2s;
}
.ers-tabs {
  display: flex;
  height: 48px;
  border-bottom: 1.5px solid var(--panel-border);
}
.ers-tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--panel-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.ers-tab-btn:hover {
  color: var(--panel-text);
  background-color: var(--editor-bg);
}
.ers-tab-btn.active {
  color: var(--red);
  border-bottom-color: var(--red);
}
.ers-content {
  flex: 1;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}
.ers-panel {
  display: none;
  padding: 16px;
  flex: 1;
  flex-direction: column;
}
.ers-panel.active {
  display: flex;
}
.inspector-empty-state,
.layers-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--panel-muted);
}
.ies-emoji {
  font-size: 32px;
  margin-bottom: 8px;
}
.inspector-empty-state p,
.layers-empty-state p {
  font-size: 12px;
  line-height: 1.5;
  max-width: 180px;
}

/* Properties Forms */
.inspector-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.inspector-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--panel-muted);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 6px;
  margin-bottom: 4px;
}
.inspector-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.inspector-row label {
  font-size: 11px;
  font-weight: 600;
  color: var(--panel-muted);
}
.inspector-row input,
.inspector-row select,
.inspector-row textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1.5px solid var(--panel-border);
  font-size: 13px;
  background-color: var(--editor-bg);
  color: var(--panel-text);
}
.inspector-row input:focus,
.inspector-row select:focus {
  border-color: var(--red);
  outline: none;
}
.inspector-grid-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.inspector-btn-group {
  display: flex;
  gap: 4px;
}
.inspector-btn-toggle {
  flex: 1;
  padding: 6px;
  border-radius: 6px;
  border: 1.5px solid var(--panel-border);
  background-color: var(--panel-bg);
  color: var(--panel-text);
  font-weight: 600;
  font-size: 11px;
  cursor: pointer;
  text-align: center;
}
.inspector-btn-toggle.active {
  border-color: var(--red);
  background-color: var(--red-light);
  color: var(--red);
}

/* Layers list UI */
.layers-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--editor-bg);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.2s;
}
.layer-item:hover {
  background-color: var(--panel-border);
}
.layer-item.active {
  border-color: var(--red);
  background-color: var(--red-light);
  color: var(--red);
}
.layer-item-actions {
  display: flex;
  gap: 4px;
}
.btn-layer-action {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 2px;
  color: var(--panel-muted);
}
.btn-layer-action:hover {
  color: var(--panel-text);
}

/* Comments thread UI */
.comments-list-container {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 12px;
}
.comment-card {
  background-color: var(--editor-bg);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
}
.comment-author {
  color: var(--panel-text);
}
.comment-time {
  color: var(--panel-muted);
}
.comment-body {
  font-size: 12px;
  color: var(--panel-text);
  line-height: 1.4;
  word-break: break-word;
}
.comments-input-area {
  border-top: 1.5px solid var(--panel-border);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comments-input-area textarea {
  width: 100%;
  height: 60px;
  padding: 8px;
  border-radius: 6px;
  border: 1.5px solid var(--panel-border);
  background-color: var(--editor-bg);
  color: var(--panel-text);
  font-size: 12px;
  resize: none;
  outline: none;
}
.comments-input-area textarea:focus {
  border-color: var(--red);
}

/* ================================================================
   5. PDF PAGE VIEWPORT WRAPPER & INTERACTIVE OVERLAYS
   ================================================================ */
.pdf-page-viewport {
  position: relative;
  background-color: white;
  box-shadow: var(--page-shadow);
  transition: transform 0.15s ease;
  user-select: none;
}

/* Page Control Action Strip */
.pdf-page-action-strip {
  position: absolute;
  top: -30px;
  left: 0;
  width: 100%;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  z-index: 50;
}
.page-strip-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--panel-muted);
}
.page-strip-buttons {
  display: flex;
  gap: 4px;
}
.btn-page-strip {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--panel-muted);
  border-radius: 4px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: all 0.2s;
}
.btn-page-strip:hover {
  color: var(--panel-text);
  background-color: var(--editor-bg);
  border-color: var(--panel-muted);
}
.btn-page-strip.delete:hover {
  background-color: var(--red-light);
  color: var(--red);
  border-color: var(--red-border);
}

/* PDF Page Canvas */
.pdf-page-viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Page Overlay (Houses annotations and elements) */
.pdf-page-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 20;
  overflow: visible;
}

/* Overlay elements */
.canvas-object {
  position: absolute;
  cursor: move;
  box-sizing: border-box;
  outline: none;
}
.canvas-object.selected {
  outline: 1.5px dashed var(--red);
}
.canvas-object[data-id^="link-"].selected {
  outline: 1.5px solid #3b82f6 !important;
}

/* Handles styling */
.object-resize-handle {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--red);
  border: 1px solid white;
  border-radius: 50%;
  pointer-events: auto;
  z-index: 100;
  display: none;
}
.canvas-object.selected .object-resize-handle {
  display: block;
}
.canvas-object[data-id^="link-"].selected .object-resize-handle {
  background-color: #3b82f6 !important;
}
.handle-nw { top: -4px; left: -4px; cursor: nwse-resize; }
.handle-n  { top: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.handle-ne { top: -4px; right: -4px; cursor: nesw-resize; }
.handle-e  { top: calc(50% - 4px); right: -4px; cursor: ew-resize; }
.handle-se { bottom: -4px; right: -4px; cursor: nwse-resize; }
.handle-s  { bottom: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.handle-sw { bottom: -4px; left: -4px; cursor: nesw-resize; }
.handle-w  { top: calc(50% - 4px); left: -4px; cursor: ew-resize; }

/* Rotation handle */
.object-rotate-handle {
  position: absolute;
  top: -24px;
  left: calc(50% - 5px);
  width: 10px;
  height: 10px;
  background-color: var(--red);
  border: 1px solid white;
  border-radius: 50%;
  cursor: grab;
  z-index: 100;
  display: none;
}
.object-rotate-handle::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 4px;
  width: 1px;
  height: 14px;
  background-color: var(--red);
}
.canvas-object.selected .object-rotate-handle {
  display: block;
}

/* Text Element Styling */
.text-object-box {
  min-width: 40px;
  min-height: 20px;
  padding: 2px;
  word-break: break-word;
  white-space: pre-wrap;
  outline: none;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.2;
}
.text-object-box[contenteditable="true"] {
  cursor: text;
  background-color: rgba(232, 49, 42, 0.05);
}

/* Extracted Original Text Overlay */
.original-text-block {
  position: absolute;
  color: transparent;
  background: transparent;
  cursor: text;
  white-space: pre;
  transform-origin: top left;
  border-radius: 3px;
  outline: 1.5px dashed transparent;
  transition: background-color 0.15s ease, outline-color 0.15s ease;
}
.original-text-block:hover {
  outline-color: rgba(59, 130, 246, 0.65); /* Modern Sleek Blue */
  background-color: rgba(59, 130, 246, 0.06); /* Ultra-light blue highlight */
}

/* Image Element Styling */
.image-object-box {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.image-object-box img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}

/* Links overlays */
.link-object-box {
  width: 100%;
  height: 100%;
  border: 1.5px dashed #3b82f6;
  background-color: rgba(59, 130, 246, 0.15);
}
.link-object-box.editable::after {
  content: '🔗 Link';
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-size: 9px;
  font-weight: 700;
  background-color: #3b82f6;
  color: white;
  padding: 1px 3px;
  border-radius: 3px;
}

/* Shape elements (SVG paths) */
.shape-svg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.shape-svg-layer * {
  pointer-events: none !important;
  cursor: move !important;
}

/* Drawing annotations layer */
.drawing-svg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  cursor: crosshair;
  z-index: 30;
}

/* Form fields elements */
.form-object-field {
  width: 100%;
  height: 100%;
  border: 1px solid #10b981;
  background-color: rgba(16, 185, 129, 0.08);
  font-size: 12px;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}
.form-object-field:focus {
  border-color: #059669;
  background-color: rgba(16, 185, 129, 0.12);
}
input[type="checkbox"].form-object-field {
  appearance: checkbox;
  -webkit-appearance: checkbox;
  margin: 0;
  cursor: pointer;
}
input[type="radio"].form-object-field {
  appearance: radio;
  -webkit-appearance: radio;
  margin: 0;
  cursor: pointer;
}
select.form-object-field {
  padding-right: 15px;
}

/* ================================================================
   6. FLOATING CONTEXTUAL TOOLBAR
   ================================================================ */
.floating-contextual-toolbar {
  position: relative;
  background-color: var(--panel-bg);
  border: none;
  border-bottom: 1.5px solid var(--panel-border);
  border-radius: 0;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 100;
  box-shadow: none;
  pointer-events: auto;
}
.floating-contextual-toolbar span,
.floating-contextual-toolbar label {
  font-size: 13px !important;
}
.fct-btn {
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--panel-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.fct-btn:hover {
  background-color: var(--editor-bg);
}
.fct-divider {
  width: 1px;
  height: 24px;
  background-color: var(--panel-border);
  margin: auto 8px;
}

/* ================================================================
   7. FLOATING ACTION FOOTER (Apply Changes)
   ================================================================ */
.floating-action-footer {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  pointer-events: none;
}
.btn-apply-changes {
  pointer-events: auto;
  background-color: #10b981;
  color: white;
  border: none;
  padding: 14px 28px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3), 0 4px 6px -4px rgba(16, 185, 129, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-apply-changes:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(16, 185, 129, 0.4), 0 8px 10px -6px rgba(16, 185, 129, 0.4);
}
.btn-apply-changes:active {
  transform: translateY(0);
}
.btn-apply-changes .arrow {
  transition: transform 0.2s;
}
.btn-apply-changes:hover .arrow {
  transform: translateX(4px);
}

/* ================================================================
   8. SIGNATURE PAD / MODALS STYLING
   ================================================================ */
.sig-modal-tabs {
  display: flex;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 20px;
}
.sig-tab-btn {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2.5px solid transparent;
  transition: all 0.2s;
}
.sig-tab-btn:hover {
  color: var(--dark);
}
.sig-tab-btn.active {
  color: var(--red);
  border-bottom-color: var(--red);
}
.sig-modal-content {
  margin-bottom: 20px;
}
.sig-panel {
  display: none;
}
.sig-panel.active {
  display: block;
}
.sig-canvas-wrap {
  border: 1.5px solid var(--border);
  border-radius: var(--r-m);
  background: #f8fafc;
  position: relative;
  overflow: hidden;
  height: 204px;
}
#sigCanvas {
  display: block;
  cursor: crosshair;
  background: transparent;
}
.btn-clear-sig {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 6px 12px;
  background: rgba(15, 23, 42, 0.85);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.btn-clear-sig:hover {
  background: var(--red);
}
.sig-type-wrap input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--r-m);
  border: 1.5px solid var(--border);
  font-size: 16px;
  outline: none;
  margin-bottom: 16px;
}
.sig-type-wrap input:focus {
  border-color: var(--red);
}
.sig-font-previews {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.sig-font-card {
  border: 1.5px solid var(--border);
  border-radius: var(--r-m);
  padding: 16px;
  cursor: pointer;
  text-align: center;
  transition: var(--t);
  background-color: var(--white);
}
.sig-font-card:hover {
  border-color: #cbd5e1;
}
.sig-font-card.selected {
  border-color: var(--red);
  background-color: var(--red-light);
}
.sig-upload-wrap {
  border: 2px dashed var(--border);
  border-radius: var(--r-l);
  padding: 40px;
  text-align: center;
  background: var(--white);
}
.sig-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--muted);
}
.sig-upload-label:hover {
  color: var(--red);
}
.sig-upload-preview-wrap {
  max-width: 250px;
  margin: 0 auto;
  position: relative;
}
.sig-upload-preview-wrap img {
  width: 100%;
  max-height: 150px;
  object-fit: contain;
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: 4px;
}
.sig-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1.5px solid var(--border);
  padding-top: 16px;
}
.sig-save-locally-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}
.sig-save-locally-checkbox input {
  cursor: pointer;
}

/* Saved signatures dropdown item list */
.saved-signatures-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}
.saved-sig-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  cursor: pointer;
}
.saved-sig-item:hover {
  background-color: var(--editor-bg);
}
.saved-sig-img {
  max-width: 100px;
  max-height: 36px;
  object-fit: contain;
}
.btn-delete-saved-sig {
  background: transparent;
  border: none;
  color: var(--panel-muted);
  cursor: pointer;
  font-size: 11px;
}
.btn-delete-saved-sig:hover {
  color: var(--red);
}

/* Interactive Page Insertion Guide Button */
.insert-page-divider-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 28px;
  border-radius: 20px;
  border: 1.5px dashed var(--panel-muted);
  background-color: var(--panel-bg);
  color: var(--panel-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  margin: -10px auto -10px;
  position: relative;
  z-index: 60;
  transition: all 0.2s;
}
.insert-page-divider-btn:hover {
  border-style: solid;
  border-color: var(--red);
  color: var(--red);
  background-color: var(--red-light);
  transform: scale(1.05);
}

/* ================================================================
   9. RESPONSIVE DESIGN OVERRIDES
   ================================================================ */
@media (max-width: 1024px) {
  .editor-right-sidebar {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    transform: translateX(100%);
    box-shadow: -4px 0 15px rgba(0,0,0,0.1);
  }
  .editor-right-sidebar.open {
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .editor-left-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    transform: translateX(-100%);
    box-shadow: 4px 0 15px rgba(0,0,0,0.1);
  }
  .editor-left-sidebar.open {
    transform: translateX(0);
  }
  .floating-editor-toolbar {
    position: relative;
    top: 0;
    bottom: auto;
    width: 100%;
    transform: none;
    left: 0;
  }
  .fet-inner {
    border-radius: 18px;
    padding: 6px;
    overflow-x: auto;
    width: 100%;
  }
}

/* --- FLOATING CONTEXTUAL TOOLBAR ENHANCEMENTS --- */
.floating-contextual-toolbar {
  padding: 8px 16px;
  background-color: var(--panel-bg);
  border: none;
  border-bottom: 1.5px solid var(--panel-border);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: none;
  transition: background-color 0.2s, border-color 0.2s;
}

.fct-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.fct-select {
  border: 1.5px solid var(--panel-border);
  border-radius: 4px;
  background-color: var(--editor-bg);
  color: var(--panel-text);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 8px;
  outline: none;
  cursor: pointer;
}

.fct-select:focus {
  border-color: var(--red);
}

.fct-input {
  border: 1.5px solid var(--panel-border);
  border-radius: 4px;
  background-color: var(--editor-bg);
  color: var(--panel-text);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 10px;
  outline: none;
  transition: border-color 0.2s;
}

.fct-input:focus {
  border-color: var(--red);
}

.fct-btn.active {
  background-color: var(--red-light);
  color: var(--red);
}

/* Color and background palettes dropdown logic */
.fct-color-picker-wrap {
  position: relative;
}

.fct-color-palette,
.fct-bg-palette,
.fct-stroke-palette,
.fct-fill-palette {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background-color: var(--panel-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 6px;
  padding: 6px;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
}

.fct-color-picker-wrap:hover .fct-color-palette,
.fct-color-picker-wrap:hover .fct-bg-palette,
.fct-color-picker-wrap:hover .fct-stroke-palette,
.fct-color-picker-wrap:hover .fct-fill-palette {
  display: grid;
}

.color-swatch,
.bg-swatch,
.stroke-swatch,
.fill-swatch {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #555;
  transition: transform 0.1s;
}

.color-swatch:hover,
.bg-swatch:hover,
.stroke-swatch:hover,
.fill-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active,
.bg-swatch.active,
.stroke-swatch.active,
.fill-swatch.active {
  box-shadow: 0 0 0 2px var(--red);
}

/* Range input styling */
.fct-range {
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
}
.fct-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
}

/* 
  Double-Click / Second-Click Edit protection:
  Disable child interactions on unselected canvas objects so they can be selected & dragged.
  Once selected (.selected class is applied), allow pointer events on children so they can be edited.
*/
.canvas-object:not(.selected) > * {
  pointer-events: none !important;
  cursor: move !important;
}
.canvas-object.selected > * {
  pointer-events: auto;
}