/* ========================================
   ZOOM CONTROLS
   ======================================== */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 6px;
  background: var(--vis-bg-secondary);
  border-radius: 6px;
  margin-left: 8px;
}

.zoom-level {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.zoom-level:hover {
  background: var(--vis-bg-hover);
  color: var(--workspace-icon-primary);
}

.zoom-controls .pane-header-btn {
  min-width: 28px;
  height: 28px;
  padding: 4px;
}

.zoom-controls .pane-header-btn i {
  font-size: 12px;
}

/* Data pane - ensure proper height distribution */
.split-pane-left .pane-content {
  overflow: hidden;
}

/* Canvas pane - use flexbox for warning at bottom */
.canvas-pane .pane-content {
  display: flex;
  flex-direction: column;
  overflow: auto; /* Allow scrolling to see full canvas */
}

/* Canvas Content */
.canvas-content {
  background: var(--vis-bg-primary);
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: visible; /* Allow canvas to extend beyond */
}

/* Rulers Area: 3x3 CSS Grid layout (exact copy from vis app) */
.vis-rulers-area {
  display: grid;
  grid-template-areas:
    "corner-tl ruler-h corner-tr"
    "ruler-v canvas ruler-r"
    "corner-bl ruler-b corner-br";
  grid-template-rows: 60px 1fr 60px;
  grid-template-columns: 60px 1fr 60px;
  gap: 0;
  flex: 1;
  overflow: visible; /* Allow canvas to extend beyond grid cell */
  position: relative; /* For transform-based panning */
  min-width: fit-content; /* Expand to fit canvas width */
  min-height: fit-content; /* Expand to fit canvas height */
}

/* Ruler corners */
.ruler-corner {
  background-color: var(--vis-ruler-bg);
  border: none;
  z-index: 1;
}

.ruler-corner-tl {
  grid-area: corner-tl;
}

.ruler-corner-tr {
  grid-area: corner-tr;
}

/* Ruler labels are clickable to toggle mm/inch */
.ruler-label {
  cursor: pointer;
  transition: fill 0.15s ease;
}

.ruler-label:hover {
  fill: var(--accent-primary, #4a9b7e) !important;
}

.ruler-corner-bl {
  grid-area: corner-bl;
}

.ruler-corner-br {
  grid-area: corner-br;
}

/* Ruler base styles */
.ruler {
  background-color: var(--vis-ruler-bg);
  border: none;
  z-index: 2;
}

/* Horizontal rulers */
.ruler-horizontal {
  width: 100%;
  height: 60px;
}

.ruler-top {
  grid-area: ruler-h;
}

.ruler-bottom {
  grid-area: ruler-b;
}

/* Vertical rulers */
.ruler-vertical {
  width: 60px;
  height: 100%;
}

.ruler-left {
  grid-area: ruler-v;
}

.ruler-right {
  grid-area: ruler-r;
}

/* Canvas container - light background by default */
.vis-canvas-container {
  grid-area: canvas;
  justify-self: start; /* Align to left (same as /vis/) */
  align-self: start; /* Align to top (same as /vis/) */
  /* Light background for light mode */
  background: var(--workspace-bg-secondary);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  overflow: visible; /* Must be visible for transform-based floating */
  padding: 0; /* No padding - rulers must align perfectly with canvas edges */
  transition: background 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15); /* Shadow on container, not canvas */
  width: fit-content; /* Shrink to canvas size, not grid cell size */
  height: fit-content;
  /* No max-width/max-height - allow full canvas to render for panning/zooming */
}

/* Dark canvas background mode (toggled locally, independent of global theme) */
.vis-canvas-container[data-canvas-theme="dark"] {
  background: var(--workspace-bg-tertiary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4); /* Stronger shadow for dark mode */
}

/* Canvas element itself */
#vis-canvas {
  border: none; /* No border - rulers must align perfectly with canvas edges */
  /* Background color is set by Fabric.js based on theme */
  display: block;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
  opacity: 0.3;
}

.empty-state p {
  font-size: 15px;
  margin: 8px 0 4px;
}

.empty-state small {
  font-size: 13px;
  opacity: 0.7;
}

/* Resizers */
/* Panel resizer now uses standard workspace resizer from shared/css/components/panel-resizer.css */
/* No custom overrides needed - standard grayish theme works perfectly */

/* Selected Item Info Header */
.selected-item-info {
  background: var(--vis-bg-secondary);
  border-bottom: 1px solid var(--workspace-border-default);
  padding: 12px 16px;
}

.selected-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.selected-item-icon {
  font-size: 16px;
  color: var(--workspace-icon-primary);
}

.selected-item-type {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.selected-item-label {
  font-size: 12px;
  color: var(--text-muted);
  padding-left: 24px;
}

/* Dynamic Properties Panel */
.dynamic-properties {
  padding: 16px;
}

.dynamic-properties:empty::before {
  content: "Select an item to view properties";
  display: block;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

/* Property Controls */
.property-group {
  margin-bottom: 16px;
}

.property-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.property-select,
.property-input {
  width: 100%;
  padding: 8px;
  background: var(--vis-bg-primary);
  border: 1px solid var(--workspace-border-default);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 13px;
}

.property-select:focus,
.property-input:focus {
  outline: none;
  border-color: var(--workspace-icon-primary);
}

.property-color {
  width: 100%;
  height: 36px;
  padding: 4px;
  background: var(--vis-bg-primary);
  border: 1px solid var(--workspace-border-default);
  border-radius: 4px;
  cursor: pointer;
}

.property-range {
  width: calc(100% - 40px);
  margin-right: 8px;
}

.property-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--workspace-icon-primary);
}

/* ========================================
   DROPDOWN CONTROLS
   ======================================== */
.dropdown-container {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-toggle span {
  font-size: 11px;
}

.dropdown-toggle .fa-caret-down {
  font-size: 10px;
  opacity: 0.7;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 120px;
  background: var(--vis-bg-secondary);
  border: 1px solid var(--workspace-border-default);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  overflow: hidden;
}

.dropdown-container.open .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s ease;
  text-align: left;
}

.dropdown-item:hover {
  background: var(--vis-bg-hover);
}

.dropdown-item i {
  width: 16px;
  text-align: center;
  opacity: 0.7;
}

.dropdown-item .format-hint {
  margin-left: auto;
  font-size: 10px;
  opacity: 0.6;
  color: var(--vis-text-muted);
}

.dropdown-divider {
  height: 1px;
  margin: 4px 0;
  background: var(--vis-border);
}

/* Theme toggle button with dark mode warning */
.pane-header-btn.theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pane-header-btn.theme-toggle-btn .theme-icon {
  font-size: 14px;
}

/* Debug buttons (e.g., hit region toggle) */
.pane-header-btn.debug-btn {
  color: var(--text-secondary, #8b949e);
  opacity: 0.7;
}

.pane-header-btn.debug-btn:hover {
  opacity: 1;
  color: var(--status-warning);
}

.pane-header-btn.debug-btn.active {
  background: var(--status-warning-bg);
  color: var(--status-warning);
  opacity: 1;
}

[data-theme="light"] .pane-header-btn.debug-btn.active {
  background: var(--status-warning-bg);
  color: var(--status-warning);
}