/* ==========================================================================
   PDF Monster - PDF Editor Styles
   PDF.js + Fabric.js Editor Interface
   ========================================================================== */

/* Editor Workspace - Full Screen Takeover */
.edit-workspace {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: #0f0f1a !important;
  z-index: 99999 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}

/* Ensure workspace is above everything */
.edit-workspace * {
  position: relative;
}

/* Top Toolbar - Always Visible */
.edit-toolbar {
  display: flex !important;
  align-items: center !important;
  gap: 8px;
  padding: 12px 16px;
  background: #1a1a2e !important;
  border-bottom: 2px solid #6366f1 !important;
  flex-shrink: 0 !important;
  overflow-x: auto;
  min-height: 60px !important;
  height: 60px;
  position: relative;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.toolbar-file {
  gap: 8px;
}

.toolbar-filename {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, #fff);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color, #2a2a4a);
  margin: 0 8px;
}

.toolbar-spacer {
  flex: 1;
}

.toolbar-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #3a3a5a;
  background: #252540;
  color: #e0e0f0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  background: var(--bg-tertiary, #252540);
  color: var(--text-primary, #fff);
}

.toolbar-btn.active {
  background: var(--color-primary, #6366f1);
  color: white;
}

.toolbar-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.toolbar-zoom-level {
  min-width: 50px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
}

/* Main Editor Layout */
.edit-layout {
  display: grid;
  grid-template-columns: 240px 1fr 160px;
  flex: 1;
  overflow: hidden;
}

/* Properties Panel (Left) */
.edit-properties {
  background: var(--bg-secondary, #1a1a2e);
  border-right: 1px solid var(--border-color, #2a2a4a);
  padding: 16px;
  overflow-y: auto;
}

.properties-panel {
  display: none;
}

.properties-panel.active {
  display: block;
}

.properties-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary, #808090);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.properties-hint {
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
  margin-bottom: 16px;
  line-height: 1.5;
}

.properties-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-tertiary, #808090);
}

.properties-empty svg {
  margin-bottom: 16px;
  opacity: 0.5;
}

.properties-empty p {
  font-size: 13px;
  line-height: 1.6;
}

.property-group {
  margin-bottom: 16px;
}

.property-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.property-half {
  flex: 1;
  margin-bottom: 0;
}

.property-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #a0a0b0);
  margin-bottom: 6px;
}

.property-buttons {
  display: flex;
  gap: 4px;
}

.prop-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color, #2a2a4a);
  background: var(--bg-tertiary, #252540);
  color: var(--text-primary, #fff);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
}

.prop-btn:hover {
  border-color: var(--color-primary, #6366f1);
}

.prop-btn.active {
  background: var(--color-primary, #6366f1);
  border-color: var(--color-primary, #6366f1);
}

/* Color Swatches */
.color-swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.color-swatch:hover {
  transform: scale(1.1);
}

.color-swatch.active {
  border-color: var(--color-primary, #6366f1);
}

/* Form Elements */
.form-select-sm {
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  background: var(--bg-tertiary, #252540);
  border: 1px solid var(--border-color, #2a2a4a);
  color: var(--text-primary, #fff);
  border-radius: 6px;
}

.form-color {
  width: 100%;
  height: 36px;
  padding: 2px;
  background: var(--bg-tertiary, #252540);
  border: 1px solid var(--border-color, #2a2a4a);
  border-radius: 6px;
  cursor: pointer;
}

.form-range {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary, #252540);
  border-radius: 3px;
  appearance: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--color-primary, #6366f1);
  border-radius: 50%;
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
  cursor: pointer;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary, #6366f1);
}

/* Canvas Area (Center) */
.edit-canvas-area {
  background: var(--bg-tertiary, #252540);
  overflow: hidden;
  position: relative;
}

.edit-canvas-scroll {
  width: 100%;
  height: 100%;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.edit-canvas-wrapper {
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  background: white;
}

#pdf-canvas {
  display: block;
}

#fabric-canvas {
  position: absolute !important;
  top: 0;
  left: 0;
}

/* Page Thumbnails (Right) */
.edit-pages {
  background: var(--bg-secondary, #1a1a2e);
  border-left: 1px solid var(--border-color, #2a2a4a);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pages-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #2a2a4a);
}

.pages-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary, #808090);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pages-count {
  font-size: 12px;
  color: var(--text-secondary, #a0a0b0);
  background: var(--bg-tertiary, #252540);
  padding: 2px 8px;
  border-radius: 10px;
}

.pages-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-thumb {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.15s;
  background: white;
}

.page-thumb:hover {
  border-color: var(--border-color, #2a2a4a);
}

.page-thumb.active {
  border-color: var(--color-primary, #6366f1);
}

.page-thumb canvas {
  width: 100%;
  display: block;
}

.page-thumb-num {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
}

/* Responsive */
@media (max-width: 1024px) {
  .edit-layout {
    grid-template-columns: 1fr;
  }

  .edit-properties,
  .edit-pages {
    display: none;
  }

  .edit-toolbar {
    flex-wrap: wrap;
    gap: 4px;
  }

  .toolbar-divider {
    display: none;
  }

  .toolbar-spacer {
    width: 100%;
    height: 0;
    flex: none;
  }
}

@media (max-width: 768px) {
  .toolbar-group.toolbar-shapes {
    display: none;
  }

  .toolbar-btn {
    width: 32px;
    height: 32px;
  }
}

/* Fabric.js Object Controls */
.canvas-container {
  position: absolute !important;
  top: 0;
  left: 0;
}

/* Text cursor when adding text */
.edit-canvas-area[data-tool="text"] {
  cursor: text;
}

.edit-canvas-area[data-tool="draw"],
.edit-canvas-area[data-tool="highlight"] {
  cursor: crosshair;
}

.edit-canvas-area[data-tool="whiteout"],
.edit-canvas-area[data-tool="rect"],
.edit-canvas-area[data-tool="circle"] {
  cursor: crosshair;
}

.edit-canvas-area[data-tool="line"],
.edit-canvas-area[data-tool="arrow"] {
  cursor: crosshair;
}

/* Loading state for pages */
.page-thumb.loading {
  min-height: 120px;
  background: var(--bg-tertiary, #252540);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-thumb.loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color, #2a2a4a);
  border-top-color: var(--color-primary, #6366f1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}