/* =========================================
   Base Layout & Typography
   ========================================= */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  color: var(--wf-text);
  background-color: var(--wf-bg-darker);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-size: 14px;
  overflow-x: hidden;
}

/* Minimalist Dark Aesthetic Variables */
:root {
  --wf-border: 1px solid #3A3A3A;
  --wf-border-light: 1px solid #454545;
  --wf-bg: #1A1A1A;
  --wf-bg-gray: #242424;
  --wf-bg-darker: #121212;
  --wf-interactive: #2D2D2D;
  --wf-accent: #FFFFFF;
  --wf-accent-text: #000000;
  --wf-text: #F1F1F1;
  --wf-text-muted: #9CA3AF;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Common Layout Utilities */
.divider {
  width: 1px;
  height: 16px;
  background: #e2e8f0;
  margin: 0 8px;
}

.divider-h {
  height: 1px;
  width: 100%;
  background: #e2e8f0;
  margin: 8px 0;
}

.divider-v {
  width: 1px;
  height: 100%;
  background: #e2e8f0;
}

.icon {
  font-size: 16px;
  line-height: 1;
}

.badge {
  background: var(--wf-bg-gray);
  color: var(--wf-text);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

/* Buttons & Inputs */
button,
input,
select {
  font-family: inherit;
  font-size: 13px;
  background: var(--wf-bg);
  border: var(--wf-border);
  color: var(--wf-text);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  background: var(--wf-interactive);
}

button.active {
  background: var(--wf-interactive);
  border-color: var(--wf-accent);
  color: var(--wf-accent);
  font-weight: 600;
}

button.primary {
  background: var(--wf-accent);
  color: var(--wf-accent-text);
  border-color: var(--wf-accent);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

button.primary:hover {
  background: #c2c2c2;
}

button.danger {
  border-color: #ef4444;
  color: #ef4444;
}

button.danger:hover {
  background: rgba(239, 68, 68, 0.15);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
}

.draw-color-preset {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.draw-color-preset:hover {
  transform: scale(1.1);
  border-color: #fff;
}

.btn-row {
  display: flex;
  gap: 4px;
}

input[type="text"],
input[type="number"] {
  padding: 4px 6px;
}

/* =========================================
   Top App Bar
   ========================================= */
.app-bar {
  height: 44px;
  background: var(--wf-bg);
  border-bottom: var(--wf-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 10;
}

.app-bar>div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-name {
  font-weight: bold;
  font-size: 16px;
}

.file-name {
  color: var(--wf-text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  width: 160px;
  transition: all 0.2s;
  cursor: text;
}

.file-name:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--wf-accent);
}

.file-name:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--wf-accent);
  outline: none;
}

/* Search Box */
.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  border: var(--wf-border);
  border-radius: var(--radius-md);
  padding: 4px 10px;
  background: var(--wf-bg-gray);
  position: relative;
  transition: all 0.2s;
}

.search-box:focus-within {
  border-color: var(--wf-accent);
  box-shadow: 0 0 0 1px var(--wf-accent);
  background: var(--wf-bg);
}

.search-box input {
  border: none;
  outline: none;
  background: transparent;
  width: 180px;
  padding: 0;
}

.command-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 240px;
  background: var(--wf-bg);
  border: var(--wf-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  z-index: 20;
}

.command-suggestions.hidden {
  display: none;
}

.command-suggestions .item {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  color: var(--wf-text);
  background: var(--wf-bg);
  transition: background 0.15s ease;
}

.command-suggestions .item:hover {
  background: var(--wf-bg-gray);
}

.command-suggestions .label {
  font-weight: 600;
}

.command-suggestions .hint {
  color: var(--wf-text-muted);
  font-size: 12px;
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  border: var(--wf-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--wf-bg-gray);
  padding: 2px;
}

.mode-toggle button {
  border: none;
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  background: transparent;
}

.mode-toggle button.active {
  background: var(--wf-interactive);
  box-shadow: var(--shadow-sm);
  color: var(--wf-text);
}

/* =========================================
   App Body (Middle Section)
   ========================================= */
.app-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Ribbon Tab Bar */
.ribbon {
  background: var(--wf-bg);
  border-bottom: var(--wf-border);
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  z-index: 5;
}

.tabs {
  display: flex;
  gap: 8px;
  padding-top: 8px;
  position: relative;
}

.tabs .tab {
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 8px 16px;
  background: transparent;
  color: var(--wf-text-muted);
  font-weight: 500;
}

.tabs .tab:hover {
  color: var(--wf-text);
  background: var(--wf-bg-gray);
}

.tabs .tab.active {
  background: var(--wf-bg);
  border: var(--wf-border);
  border-bottom: 2px solid var(--wf-accent);
  position: relative;
  z-index: 2;
  margin-bottom: -1px;
  color: var(--wf-accent);
}

.ribbon-content {
  display: flex;
  padding: 12px 0;
  gap: 24px;
}

.ribbon-group {
  display: flex;
  align-items: center;
  gap: 8px;
  border-right: var(--wf-border);
  padding-right: 16px;
}

.ribbon-group:last-child {
  border-right: none;
}

/* Workspace Layout */
.main-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* =========================================
   Left Tool Palette
   ========================================= */
.tool-palette {
  width: 64px;
  background: var(--wf-bg);
  border-right: var(--wf-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 12px;
  position: relative;
  z-index: 3;
}

.tool-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  align-items: center;
}

.tool-btn {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: none;
  padding: 4px;
  border-radius: var(--radius-md);
  background: transparent;
}

.tool-btn:hover {
  background: var(--wf-bg-darker);
}

.tool-btn.active {
  background: var(--wf-interactive);
  color: var(--wf-accent);
}

.tool-btn .icon {
  font-size: 18px;
  margin-bottom: 2px;
}

.tool-btn .tool-label {
  font-size: 10px;
  font-weight: 500;
}

.small-tool {
  width: 36px;
  height: 36px;
}

.tool-btn-container {
  position: relative;
}

.tooltip {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 8px;
  background: #333;
  color: white;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
}

.tooltip::before {
  content: "";
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-width: 4px;
  border-style: solid;
  border-color: transparent #333 transparent transparent;
}

/* =========================================
   Center Canvas
   ========================================= */
.canvas-area {
  flex: 1;
  background: #f1f5f9;
  /* Softer canvas backdrop */
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.canvas {
  width: 900px;
  height: 600px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  background-image: radial-gradient(#e2e8f0 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  position: relative;
  overflow: hidden;
}

.ruler {
  position: absolute;
  background: var(--wf-bg);
  border: var(--wf-border);
  font-size: 10px;
  color: var(--wf-text-muted);
}

.top-ruler {
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  border-bottom: var(--wf-border);
  content: "..........";
  text-align: center;
  overflow: hidden;
}

.left-ruler {
  top: 20px;
  left: 0;
  bottom: 0;
  width: 20px;
  border-right: var(--wf-border);
  writing-mode: vertical-rl;
  text-align: center;
  overflow: hidden;
}

.canvas-controls {
  position: absolute;
  top: 12px;
  left: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--wf-bg);
  padding: 4px;
  border: var(--wf-border-light);
  border-radius: 4px;
  z-index: 5;
}

.canvas-controls .icon-btn {
  width: auto;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  white-space: nowrap;
  gap: 4px;
}

.canvas-controls .zoom-level {
  font-size: 12px;
  min-width: 40px;
  text-align: center;
}

/* Canvas Elements */
.shape-ghost {
  position: absolute;
  top: 50px;
  right: 100px;
  width: 80px;
  height: 60px;
  border: 1px dashed #666;
  background: rgba(0, 0, 0, 0.05);
}

.shape-selected {
  position: absolute;
  top: 200px;
  left: 300px;
  width: 140px;
  height: 90px;
  border: 1px solid #444;
  background: #eaeaea;
}

.resize-handle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--wf-bg);
  border: 1px solid var(--wf-border-light);
}

.resize-handle.nw {
  top: -4px;
  left: -4px;
  cursor: nwse-resize;
}

.resize-handle.n {
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  cursor: ns-resize;
}

.resize-handle.ne {
  top: -4px;
  right: -4px;
  cursor: nesw-resize;
}

.resize-handle.e {
  top: 50%;
  right: -4px;
  transform: translateY(-50%);
  cursor: ew-resize;
}

.resize-handle.se {
  bottom: -4px;
  right: -4px;
  cursor: nwse-resize;
}

.resize-handle.s {
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  cursor: ns-resize;
}

.resize-handle.sw {
  bottom: -4px;
  left: -4px;
  cursor: nesw-resize;
}

.resize-handle.w {
  top: 50%;
  left: -4px;
  transform: translateY(-50%);
  cursor: ew-resize;
}

.rotate-handle {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--wf-bg);
  border: 1px solid var(--wf-border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: grab;
}

.alignment-guide {
  position: absolute;
  background: #ff00ff;
  opacity: 0.5;
}

.alignment-guide.vertical {
  width: 1px;
  height: 300px;
  left: -40px;
  top: -100px;
  border-left: 1px dashed #999;
  background: transparent;
}

.alignment-guide.horizontal {
  height: 1px;
  width: 300px;
  top: -30px;
  left: 50px;
  border-top: 1px dashed #999;
  background: transparent;
}

.mini-toolbar {
  position: absolute;
  top: 150px;
  left: 300px;
  background: var(--wf-bg);
  border: var(--wf-border-light);
  border-radius: var(--radius-lg);
  display: flex;
  padding: 6px;
  gap: 6px;
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  z-index: 10;
}

/* =========================================
   Right Inspector
   ========================================= */
.right-sidebar {
  width: 280px;
  background: var(--wf-bg);
  border-left: var(--wf-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 4;
}

.panel {
  background: transparent;
  border-bottom: var(--wf-border);
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 12px 16px;
  border-bottom: var(--wf-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--wf-bg-gray);
}

.panel-header h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--wf-text-muted);
}

.panel-body {
  padding: 12px;
}

/* Library Panel */
.library-panel .full-width-search {
  width: 100%;
  margin-bottom: 8px;
}

.chips {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.chip {
  border: var(--wf-border);
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--wf-bg);
}

.chip:hover {
  background: var(--wf-bg-darker);
}

.chip.active {
  background: var(--wf-accent);
  color: var(--wf-accent-text);
  border-color: var(--wf-accent);
}

.shape-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 8px;
  position: relative;
}

.shape-item {
  border: var(--wf-border);
  padding: 12px;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--wf-bg);
  transition: all 0.2s;
}

.shape-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--wf-accent);
}

.shape-item span {
  font-size: 11px;
  color: var(--wf-text-muted);
}

.text-link {
  background: transparent;
  border: 1px dashed var(--wf-border-light);
  color: var(--wf-text-muted);
}

/* Inspector Panel */
.accordion {
  border-bottom: var(--wf-border);
}

.accordion:last-child {
  border-bottom: none;
}

.acc-header {
  padding: 12px 0;
  font-weight: 600;
  cursor: pointer;
  font-size: 12px;
  color: var(--wf-text);
}

.acc-header:hover {
  color: var(--wf-accent);
}

.acc-body {
  padding-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.input-group-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-group-row label {
  width: 20px;
  text-align: right;
  color: var(--wf-text-muted);
  font-size: 11px;
  font-weight: 600;
}

.input-group-row input {
  flex: 1;
  width: 100%;
}

.prop-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.prop-row label {
  font-size: 12px;
  color: var(--wf-text-muted);
}

.color-box {
  width: 28px;
  height: 20px;
  border: var(--wf-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.color-box:disabled {
  opacity: 0.2;
  cursor: not-allowed;
  filter: grayscale(100%);
}

.prop-row input:disabled,
.prop-row select:disabled,
.prop-row textarea:disabled,
.ribbon-group input:disabled,
.ribbon-group select:disabled,
.ribbon-group button:disabled,
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.color-box::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 8px 8px;
  border-color: transparent transparent var(--wf-text-muted) transparent;
}

.slider-row {
  gap: 8px;
}

.slider-row input[type="range"] {
  flex: 1;
  margin: 0;
}

.slider-row span {
  font-size: 11px;
  width: 32px;
  text-align: right;
}

/* =========================================
   Bottom Status Bar
   ========================================= */
.status-bar {
  height: 28px;
  background: var(--wf-bg);
  border-top: var(--wf-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  font-size: 11px;
  color: var(--wf-text-muted);
  position: relative;
  z-index: 10;
}

.status-left,
.status-center,
.status-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-input {
  background: var(--wf-bg-darker);
  border: 1px solid var(--wf-border-color);
  color: var(--wf-text);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  width: 45px;
  text-align: right;
  font-family: inherit;
  font-size: 11px;
}
.status-input:focus {
  outline: none;
  border-color: var(--wf-accent);
}

.toast {
  background: var(--wf-text);
  color: var(--wf-bg-darker);
  padding: 6px 16px;
  border-radius: var(--radius-md);
  position: relative;
  box-shadow: var(--shadow-sm);
  font-weight: 500;
}

.toast a {
  color: var(--wf-bg-gray);
  margin-left: 8px;
  text-decoration: none;
  cursor: pointer;
}

.toast a:hover {
  text-decoration: underline;
}

/* =========================================
   Overlays and Insets
   ========================================= */
.overlay-inset {
  position: absolute;
  background: var(--wf-bg);
  border: 1px solid var(--wf-border-light);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-lg);
  z-index: 50;
  padding: 16px;
}

.inset-label {
  position: absolute;
  top: -10px;
  left: 10px;
  background: var(--wf-bg);
  padding: 0 4px;
  font-size: 10px;
  font-weight: bold;
  color: var(--wf-text-muted);
  border: var(--wf-border);
}

/* Command Palette */
.command-palette-inset {
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  padding: 8px;
}

.command-palette input {
  width: 100%;
  border: none;
  border-bottom: var(--wf-border-light);
  padding: 8px;
  border-radius: 0;
  margin-bottom: 8px;
  outline: none;
  font-size: 14px;
}

.cmd-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cmd-list li {
  padding: 6px 8px;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  border-radius: 2px;
}

.cmd-list li span {
  color: var(--wf-text-muted);
  font-size: 10px;
}

.cmd-list li.selected {
  background: var(--wf-interactive);
  color: var(--wf-accent);
  font-weight: 600;
}

.cmd-list li:hover {
  background: var(--wf-bg-gray);
}

/* Confirm Dialog */
.confirm-dialog-inset {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  text-align: center;
}

.dialog h3 {
  margin-top: 0;
  font-size: 16px;
  color: var(--wf-text);
}

.dialog p {
  color: var(--wf-text-muted);
  margin-bottom: 24px;
  font-size: 13px;
  line-height: 1.5;
}

.dialog-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* Beginner/Advanced Panel */
.advanced-panel-inset {
  bottom: 40px;
  right: 290px;
  width: auto;
  padding: 16px;
}

.side-by-side-panels {
  display: flex;
  gap: 16px;
}

.mini-panel {
  border: var(--wf-border);
  width: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--wf-bg);
}

.mini-panel .panel-header {
  font-size: 11px;
  padding: 8px 12px;
  background: var(--wf-bg-gray);
  border-bottom: var(--wf-border-light);
}

.mini-panel .panel-body {
  padding: 12px;
  gap: 8px;
  display: flex;
  flex-direction: column;
}

/* =========================================
   Callouts and Legend
   ========================================= */
/* Numbered Badge (1-24) */
.callout {
  position: absolute;
  width: 24px;
  height: 24px;
  background: #000;
  color: #fff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 12px;
  z-index: 100;
  pointer-events: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  border: 2px solid white;
}

/* Display the data-num attribute as content */
.callout::after {
  content: attr(data-num);
}

/* Optional leader lines (simplified by proximity in placement above) */

.legend-panel {
  background: var(--wf-bg);
  border-top: 2px solid var(--wf-border-light);
  padding: 24px 32px;
  position: relative;
}

.legend-panel h3 {
  margin-top: 0;
  border-bottom: var(--wf-border);
  padding-bottom: 8px;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 6px;
}

.legend-item .badge {
  background: white;
  color: black;
  border: 1px solid black;
  font-weight: bold;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}

/* Fix for overlapping un-hidden advanced panel */
#advanced-preview-panel {
  pointer-events: none;
}

#advanced-preview-panel .side-by-side-panels {
  pointer-events: auto;
}

/* Fix for overlapping overlay insets blocking clicks even when "hidden" */
.overlay-inset {
  pointer-events: none;
}

.overlay-inset>* {
  pointer-events: auto;
  /* Re-enable clicks for the actual visible dialogs/palettes inside */
}

/* Ensure hidden elements actually take no space and block no clicks */
.hidden {
  display: none !important;
  pointer-events: none !important;
}