@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root, [data-theme="dark"] {
  /* Color system - Dark Theme Zinc (Default) */
  --bg-workspace: #0d0d0f;
  --bg-panel: #18181b;
  --bg-panel-hover: #222227;
  --bg-item-active: #2d2d34;
  --border-color: #27272a;
  --border-light: #3f3f46;
  
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  
  --accent: #007cff;
  --accent-light: rgba(0, 124, 255, 0.15);
  --accent-hover: #3b9aff;
  --accent-text: #ffffff;
  
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --success: #10b981;
  
  /* Layout constraints */
  --header-height: 48px;
  --toolbar-width: 48px;
  --sidebar-width: 260px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.7);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

[data-theme="light"] {
  /* Color system - Crisp Modern Light Theme */
  --bg-workspace: #e8e8ed;
  --bg-panel: #ffffff;
  --bg-panel-hover: #f4f4f6;
  --bg-item-active: #e4e4e9;
  --border-color: #e2e2e8;
  --border-light: #d0d0d8;
  
  --text-main: #18181b;
  --text-muted: #52525b;
  --text-dim: #71717a;
  
  --accent: #007cff;
  --accent-light: rgba(0, 124, 255, 0.12);
  --accent-hover: #0066d6;
  --accent-text: #ffffff;
  
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --warning: #d97706;
  --success: #059669;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
}

/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-drag: none;
}

body {
  background-color: var(--bg-workspace);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 13px;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: grid;
  grid-template-rows: var(--header-height) 1fr;
  grid-template-columns: 1fr;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* Top Navigation / Header */
header {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 1000 !important;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}
.logo svg {
  color: var(--accent);
}
.logo span {
  margin-left: -4px;
}

.menu-bar {
  display: flex;
  gap: 4px;
}

.menu-item {
  position: relative;
  z-index: 2000;
}

.menu-trigger {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.15s;
  color: var(--text-muted);
}
.menu-trigger:hover, .menu-trigger.active {
  background-color: var(--bg-panel-hover);
  color: var(--text-main);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  padding: 6px 0;
  z-index: 2500 !important;
}

.dropdown-menu.show {
  display: block;
}

.menu-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  color: var(--text-main);
  text-decoration: none;
  box-sizing: border-box;
  transition: background-color 0.15s;
}
.menu-action:hover {
  background-color: var(--bg-panel-hover);
  color: var(--text-main);
}
.menu-action span.shortcut {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 500;
}
.menu-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 4px 0;
}

/* Custom Context Menu */
.context-menu {
  position: fixed;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05);
  min-width: 200px;
  padding: 4px 0;
  z-index: 10000;
  display: none;
  backdrop-filter: blur(12px);
}

.context-menu.show {
  display: block;
}

.context-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
  text-align: left;
}

.context-menu-item:hover {
  background-color: var(--bg-panel-hover);
  color: var(--text-main);
}

.context-menu-item.danger:hover {
  background-color: var(--danger-light);
  color: var(--danger);
}

.context-menu-label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.context-menu-label svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.context-menu-item:hover .context-menu-label svg {
  color: currentColor;
}

.context-menu-item span.shortcut {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 500;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s;
  width: 240px;
  justify-content: space-between;
}
.header-center:hover {
  border-color: var(--border-light);
}
.header-center .cmd-shortcut {
  font-size: 10px;
  padding: 2px 6px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Quick Action Tool buttons */
.btn-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text-muted);
}
.btn-icon:hover {
  background-color: var(--bg-panel-hover);
  color: var(--text-main);
}
.btn-icon.active {
  background-color: var(--accent-light);
  color: var(--accent);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-text);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s;
}
.btn-primary:hover {
  background-color: var(--accent-hover);
}

/* Main Studio Layout */
.studio-container {
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

/* Left Sidebar - Layers Panel */
.sidebar-left {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.panel-header {
  height: 40px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.layers-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
}

.sidebar-support-box {
  padding: 10px 16px 16px 16px;
  background-color: var(--bg-panel);
  font-size: 8px;
  line-height: 1.35;
  color: var(--text-dim);
  text-align: center;
  flex-shrink: 0;
  max-height: 250px;
  opacity: 1;
  overflow: hidden;
  transition: opacity 0.5s ease, max-height 0.5s ease, padding 0.5s ease;
}

.sidebar-support-box.hidden {
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
}

.sidebar-support-hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 0 0 10px 0;
  width: 100%;
}

.sidebar-support-box p {
  margin: 0;
  color: var(--text-muted);
  font-size: 8px;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0.1px;
}

.sidebar-support-box a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.sidebar-support-box a:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  cursor: pointer;
  transition: background-color 0.1s;
  color: var(--text-muted);
  position: relative;
  user-select: none;
}
.layer-item:hover {
  background-color: var(--bg-panel-hover);
  color: var(--text-main);
}
.layer-item.selected {
  background-color: var(--bg-item-active);
  color: var(--text-main);
  border-left: 2px solid var(--accent);
}

.layer-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: grab;
  margin-right: 6px;
  opacity: 0.3;
  transition: opacity 0.15s;
}
.layer-item:hover .layer-drag-handle {
  opacity: 0.9;
}
.layer-drag-handle:active {
  cursor: grabbing;
}

.layer-item.dragging {
  opacity: 0.4;
  background-color: var(--bg-hover) !important;
  border: 1px dashed var(--accent) !important;
}

.layer-item.drag-over-above {
  border-top: 2px solid var(--accent) !important;
}

.layer-item.drag-over-below {
  border-bottom: 2px solid var(--accent) !important;
}

.layer-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.layer-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.layer-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80px;
  flex-shrink: 1;
  min-width: 0;
}
.layer-name-input {
  background: var(--bg-workspace);
  border: 1px solid var(--accent);
  color: var(--text-main);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  width: 110px;
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity 0.15s;
}
.layer-item:hover .layer-actions, .layer-item.selected .layer-actions {
  opacity: 1;
}

.layer-action-btn {
  cursor: pointer;
  color: var(--text-dim);
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 3px 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.layer-action-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-hover);
  border-color: var(--accent);
}
.layer-action-btn.active {
  color: var(--accent);
  border-color: var(--accent);
  background-color: var(--bg-hover);
}

/* Center Canvas Workspace */
.workspace-wrapper {
  flex: 1;
  min-width: 0;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: grid;
  grid-template-rows: 20px 1fr;
  grid-template-columns: 20px 1fr;
  background-color: var(--bg-workspace);
}

/* Floating Tool Rail */
.toolbar-rail {
  position: absolute;
  top: 32px;
  left: 20px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 500;
  box-shadow: var(--shadow-lg);
  transition: box-shadow 0.15s ease;
}

.toolbar-rail.is-dragging {
  cursor: grabbing !important;
  user-select: none;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8), 0 0 0 1px var(--accent-light);
}

.rail-drag-handle {
  width: 100%;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  color: var(--text-dim);
  opacity: 0.6;
  transition: opacity 0.15s, color 0.15s;
  padding: 2px 0;
  margin-bottom: 2px;
}

.rail-drag-handle:hover,
.toolbar-rail.is-dragging .rail-drag-handle {
  opacity: 1;
  color: var(--text-main);
}

.rail-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border-color);
  margin: 4px 0;
}

/* Method Draw Inspired Sidebar Color Tools */
.rail-color-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-top: 2px;
}

.rail-swatches-wrapper {
  position: relative;
  width: 32px;
  height: 32px;
}

.rail-swatch-box {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1.5px solid var(--border-light);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
  position: absolute;
  transition: transform 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
}

.rail-swatch-box:hover {
  transform: scale(1.1);
  border-color: var(--accent-color);
  z-index: 10;
}

.rail-swatch-box.stroke-swatch {
  top: 0;
  right: 0;
  z-index: 1;
}

.rail-swatch-box.fill-swatch {
  bottom: 0;
  left: 0;
  z-index: 2;
}

.rail-swatch-box.active {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-soft);
  z-index: 5;
}

.swatch-color {
  width: 100%;
  height: 100%;
}

.swatch-color.none-color {
  background: linear-gradient(135deg, transparent 45%, #ef4444 45%, #ef4444 55%, transparent 55%) !important;
}

.rail-color-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: 2px;
}

.rail-action-btn, .rail-swap-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 3px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background-color 0.15s;
}

.rail-action-btn:hover, .rail-swap-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-hover);
}

/* Floating Flyout Color Popover */
.rail-color-popover {
  position: absolute;
  bottom: 0;
  left: calc(100% + 12px);
  width: 236px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 500;
  display: none;
  opacity: 0;
  transform: scale(0.95);
  transform-origin: bottom left;
  transition: opacity 0.15s ease, transform 0.15s ease;
  backdrop-filter: blur(12px);
}

.rail-color-popover.show {
  display: block;
  opacity: 1;
  transform: scale(1);
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.popover-tabs {
  display: flex;
  gap: 4px;
  background-color: var(--bg-canvas);
  padding: 2px;
  border-radius: var(--radius-md);
}

.popover-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.popover-tab.active {
  background-color: var(--bg-panel);
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.popover-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
}
.popover-close-btn:hover {
  color: var(--text-main);
}

.popover-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.color-preview-box {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 2px rgba(0,0,0,0.3);
}

.color-preview-box input[type="color"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.popover-hex-input {
  flex: 1;
  min-width: 0;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: monospace;
  font-size: 12px;
  padding: 6px 8px;
  text-transform: uppercase;
}

.popover-hex-input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.popover-none-btn {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
  flex-shrink: 0;
}

.popover-none-btn:hover {
  background-color: var(--bg-hover);
  border-color: #ef4444;
}

.opacity-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  width: 100%;
  box-sizing: border-box;
}

.popover-label {
  color: var(--text-dim);
  flex-shrink: 0;
  font-size: 11px;
}

.popover-slider {
  flex: 1;
  min-width: 0;
  accent-color: var(--accent-color);
  cursor: pointer;
  height: 4px;
}

.popover-val-text {
  color: var(--text-main);
  flex-shrink: 0;
  width: 38px;
  text-align: right;
  font-family: monospace;
  font-size: 11px;
}

.popover-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 2px 0;
}

.popover-palette-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.popover-palette-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.palette-swatch {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: transform 0.15s;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.palette-swatch:hover {
  transform: scale(1.15);
  z-index: 2;
  border-color: var(--accent-color);
}

/* Rulers */
.ruler-top {
  grid-row: 1;
  grid-column: 2;
  height: 20px;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.ruler-left {
  grid-row: 2;
  grid-column: 1;
  width: 20px;
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.ruler-corner {
  grid-row: 1;
  grid-column: 1;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.canvas-viewport {
  grid-row: 2;
  grid-column: 2;
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  cursor: default;
}
.canvas-viewport.hand-tool {
  cursor: grab;
}
.canvas-viewport.hand-tool:active {
  cursor: grabbing;
}
.canvas-viewport.pen-tool {
  cursor: crosshair;
}

/* Interactive Canvas Grid */
#svg-canvas-container {
  position: absolute;
  transform-origin: 0 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08);
  background-color: #ffffff; /* Vector Artboard starts white */
  width: 800px;
  height: 600px;
  outline: 1px solid var(--border-light);
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

#svg-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Marquee Drag Selector Overlay */
.marquee-selector {
  border: 1px dashed var(--accent);
  background-color: var(--accent-light);
  position: absolute;
  pointer-events: none;
  z-index: 40;
  display: none;
}

/* Snapping Guides */
.snap-guide {
  position: absolute;
  background-color: var(--success);
  pointer-events: none;
  z-index: 39;
}
.snap-guide.vertical {
  width: 1px;
  height: 100%;
  top: 0;
}
.snap-guide.horizontal {
  height: 1px;
  width: 100%;
  left: 0;
}

/* Grid overlay background inside canvas */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  display: block;
}

/* Editing overlays (drawn dynamically on top of vector element coordinates) */
#editing-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 30;
}

body.drawing-mode #editing-overlay *:not(.point-node):not(.point-handle-endpoint):not(.gradient-handle-start):not(.gradient-handle-end):not(.point-node-add-preview):not(.eraser-brush-cursor):not(.scissors-cut-guide) {
  pointer-events: none !important;
}

/* Eraser Brush Circle Cursor */
.eraser-brush-cursor {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid #ef4444;
  background-color: rgba(239, 68, 68, 0.15);
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
  transform: translate(-50%, -50%);
  pointer-events: none !important;
  z-index: 60;
}

/* Scissors Cut Guide */
.scissors-cut-guide {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #f59e0b;
  background-color: rgba(245, 158, 11, 0.2);
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.8);
  transform: translate(-50%, -50%);
  pointer-events: none !important;
  z-index: 60;
}

.scissors-cut-guide::after {
  content: '✂';
  position: absolute;
  top: -12px;
  right: -12px;
  font-size: 13px;
  color: #f59e0b;
  text-shadow: 0 0 3px rgba(0,0,0,0.8);
}

/* Add Anchor Point Hover Preview Node */
.point-node-add-preview {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 2px solid #ffffff;
  box-shadow: 0 0 6px rgba(0, 124, 255, 0.8);
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 55;
  pointer-events: none;
}

.point-node-add-preview::after {
  content: '+';
  position: absolute;
  top: -8px;
  right: -8px;
  width: 12px;
  height: 12px;
  background-color: var(--accent);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 3px rgba(0,0,0,0.4);
}

/* Point / Node Tool Handles */
.point-node {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #ffffff;
  border: 2px solid var(--accent);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  cursor: move;
  z-index: 45;
  pointer-events: auto !important;
  box-shadow: 0 0 4px rgba(0,0,0,0.3);
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.point-node:hover, .point-node.active {
  background-color: var(--accent);
  border-color: #ffffff;
  transform: translate(-50%, -50%) scale(1.25);
}

.point-handle-endpoint {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border: 1.5px solid #ffffff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 46;
  pointer-events: auto !important;
  box-shadow: 0 0 3px rgba(0,0,0,0.4);
}

.point-handle-endpoint:hover {
  transform: translate(-50%, -50%) scale(1.3);
}

/* Phantom closing-segment handle: shown when the last→first segment has no
   bezier curvature yet.  Dashed outline signals "drag to add a curve." */
.point-handle-endpoint.closing-phantom {
  background-color: transparent;
  border: 1.5px dashed var(--accent);
  opacity: 0.75;
}
.point-handle-endpoint.closing-phantom:hover {
  background-color: var(--accent);
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.3);
}


.point-handle-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 44;
}

/* Gradient Control Handles */
.gradient-handle-start {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 4px rgba(0,0,0,0.5);
  transform: translate(-50%, -50%);
  cursor: grab;
  z-index: 50;
  pointer-events: auto !important;
  transition: transform 0.1s ease;
}
.gradient-handle-start:hover {
  transform: translate(-50%, -50%) scale(1.3);
}

.gradient-handle-end {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  border: 2px solid #ffffff;
  box-shadow: 0 0 4px rgba(0,0,0,0.5);
  transform: translate(-50%, -50%);
  cursor: grab;
  z-index: 50;
  pointer-events: auto !important;
  transition: transform 0.1s ease;
}
.gradient-handle-end:hover {
  transform: translate(-50%, -50%) scale(1.3);
}

/* Sidebar Gradient Controls */
.type-toggle-group {
  display: flex;
  background: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.type-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.type-toggle-btn:hover {
  color: var(--text-main);
}

.type-toggle-btn.active {
  background: var(--bg-hover);
  color: var(--accent);
  font-weight: 600;
}

.gradient-slider-track {
  position: relative;
  height: 16px;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(-45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #ccc 75%), 
                    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  cursor: pointer;
}

.gradient-stop-pin {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 4px rgba(0,0,0,0.6);
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 5;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.gradient-stop-pin:hover, .gradient-stop-pin.active {
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.25);
  z-index: 10;
}

/* Transformer control box */
.selection-bounds {
  border: 1px solid var(--accent);
  position: absolute;
  pointer-events: auto;
}

.resize-handle {
  width: 8px;
  height: 8px;
  background-color: #ffffff;
  border: 1.5px solid var(--accent);
  position: absolute;
  pointer-events: auto;
}

.resize-handle.nw { top: -4px; left: -4px; cursor: nwse-resize; }
.resize-handle.n  { top: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.resize-handle.ne { top: -4px; right: -4px; cursor: nesw-resize; }
.resize-handle.e  { top: calc(50% - 4px); right: -4px; cursor: ew-resize; }
.resize-handle.se { bottom: -4px; right: -4px; cursor: nwse-resize; }
.resize-handle.s  { bottom: -4px; left: calc(50% - 4px); cursor: ns-resize; }
.resize-handle.sw { bottom: -4px; left: -4px; cursor: nesw-resize; }
.resize-handle.w  { top: calc(50% - 4px); left: -4px; cursor: ew-resize; }

.rotation-line {
  width: 1.5px;
  height: 24px;
  background-color: var(--accent);
  position: absolute;
  top: -24px;
  left: calc(50% - 0.75px);
}

.rotation-handle {
  width: 22px;
  height: 22px;
  background-color: var(--bg-panel);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: absolute;
  top: -35px;
  left: calc(50% - 11px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path d="M8 2v4l3-3-3-3v2zm4.5 1.5C11 2 9.5 1 8 1 5.5 1 3.5 3 3.5 5.5h1.5C5 4.3 6.3 3.3 8 3.3c1.2 0 2.2.8 3 1.8L12.5 3.5z" fill="%23007cff"/></svg>') 8 8, grab;
  z-index: 5;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  pointer-events: auto;
}

.rotation-handle:hover {
  transform: scale(1.25);
  background-color: var(--accent);
  color: #ffffff;
  z-index: 6;
}

.rotation-handle:active {
  cursor: grabbing;
  transform: scale(1.3);
  background-color: var(--accent-hover);
}


/* Corner radius handle (specific elements) */
.radius-handle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 1px solid #ffffff;
  position: absolute;
  cursor: pointer;
  pointer-events: auto;
}

/* Pen Tool Draw Anchors */
.pen-anchor {
  width: 8px;
  height: 8px;
  background-color: var(--bg-panel);
  border: 1.5px solid var(--accent);
  position: absolute;
  transform: translate(-4px, -4px);
  pointer-events: auto;
  cursor: pointer;
  z-index: 45;
}
.pen-anchor.selected {
  background-color: var(--accent);
}
.pen-handle-point {
  width: 6px;
  height: 6px;
  background-color: #ffffff;
  border: 1.5px solid var(--success);
  border-radius: 50%;
  position: absolute;
  transform: translate(-3px, -3px);
  pointer-events: auto;
  cursor: pointer;
  z-index: 45;
}
.pen-handle-line {
  stroke: var(--success);
  stroke-width: 1px;
  stroke-dasharray: 2,2;
  pointer-events: none;
}

/* Zoom / Status Overlay Bottom Right */
.workspace-status {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  z-index: 50;
  color: var(--text-muted);
}
.workspace-status button {
  cursor: pointer;
  transition: color 0.15s;
}
.workspace-status button:hover {
  color: var(--text-main);
}
.zoom-display {
  font-weight: 600;
  min-width: 40px;
  text-align: center;
}

/* Bottom Coordinates Display Left */
.coordinates-display {
  position: absolute;
  bottom: 16px;
  left: 24px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 10px;
  box-shadow: var(--shadow-md);
  z-index: 50;
  color: var(--text-muted);
  font-size: 11px;
  font-family: monospace;
}

/* Right Sidebar - Properties Inspector */
.sidebar-right {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background-color: var(--bg-panel);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.inspector-section {
  border-bottom: 1px solid var(--border-color);
  padding: 16px;
}

.inspector-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Align buttons styling */
.align-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}
.align-btn {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--bg-panel-hover);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text-muted);
}
.align-btn:hover {
  background-color: var(--bg-item-active);
  color: var(--text-main);
  border-color: var(--border-light);
}
.align-btn.active {
  background-color: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* Transform Grid properties */
.properties-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.prop-field {
  display: flex;
  align-items: center;
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  height: 28px;
  padding: 0 8px;
  position: relative;
  transition: border-color 0.15s;
}
.prop-field:focus-within {
  border-color: var(--accent);
}

.prop-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  width: 14px;
}

.prop-input {
  width: 100%;
  text-align: right;
  font-size: 12px;
  font-weight: 500;
}
/* Hide spin buttons for chrome/safari */
.prop-input::-webkit-outer-spin-button,
.prop-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Appearance section styles */
.appearance-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}
.appearance-row:last-child {
  margin-bottom: 0;
}

/* Custom Toggle Switch for Inspector Controls */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  border-radius: 18px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-dim);
  transition: all 0.2s ease;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(14px);
  background-color: #ffffff;
}

/* Utilities Menu & Section Toggling */
.utility-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  gap: 16px;
  font-size: 13px;
  color: var(--text-main);
  transition: background-color 0.15s ease;
  user-select: none;
}
.utility-row:hover {
  background-color: var(--bg-panel-hover);
}
.utility-label {
  font-weight: 500;
  font-size: 12px;
}
.utility-hidden {
  display: none !important;
}

.toggle-switch:hover .toggle-slider {
  border-color: var(--border-light);
}

.toggle-switch input:checked:hover + .toggle-slider {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.appearance-main {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

/* Swatch Color Picker combo */
.color-picker-wrapper {
  position: relative;
}
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-light);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s;
  background-size: cover;
}
.color-swatch:hover {
  transform: scale(1.05);
}
.color-input-native {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.hex-text-input {
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  height: 28px;
  width: 76px;
  text-align: center;
  font-family: monospace;
  font-weight: 500;
  transition: border-color 0.15s;
}
.hex-text-input:focus {
  border-color: var(--accent);
}

.opacity-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.opacity-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 3px;
  background: var(--border-color);
  outline: none;
  border-radius: 2px;
}
.opacity-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-main);
  cursor: pointer;
  transition: background 0.15s;
}
.opacity-slider::-webkit-slider-thumb:hover {
  background: var(--accent);
}
.opacity-percent {
  font-size: 11px;
  color: var(--text-muted);
  width: 32px;
  text-align: right;
}

.select-custom {
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.15s;
}
.select-custom:focus {
  border-color: var(--accent);
}

/* Boolean Operations styling */
.boolean-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.boolean-btn {
  height: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel-hover);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s;
}
.boolean-btn:hover {
  background-color: var(--bg-item-active);
  color: var(--text-main);
  border-color: var(--border-light);
}

/* Floating Command Palette (Ctrl+K) */
.command-palette-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  visibility: hidden;
  opacity: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.command-palette-backdrop.show {
  visibility: visible;
  opacity: 1;
}

.command-palette-card {
  width: 500px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.command-palette-backdrop.show .command-palette-card {
  transform: scale(1);
}

.command-search-bar {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
}
.command-search-bar svg {
  color: var(--text-dim);
}
.command-search-input {
  width: 100%;
  font-size: 14px;
  color: var(--text-main);
}

.command-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
}

.command-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 0.15s;
}
.command-option:hover, .command-option.highlighted {
  background-color: var(--bg-panel-hover);
}
.command-option.highlighted {
  background-color: var(--bg-item-active);
}

.command-option-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.command-option-title {
  font-weight: 500;
}
.command-option-kbd {
  font-size: 10px;
  padding: 2px 6px;
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}

/* Modals Dialog (e.g. Export / Settings) */
.dialog-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: all 0.2s ease-in-out;
}
.dialog-backdrop.show {
  visibility: visible;
  opacity: 1;
}

.dialog-card {
  width: 420px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.dialog-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 14px;
}

.dialog-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dialog-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel-hover);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 0.15s;
}
.btn-secondary:hover {
  background-color: var(--bg-item-active);
}

/* Guide Grid Background patterns for Canvas */
.checkerboard-bg {
  background-image: 
    linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
    linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
    linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Live Inline Canvas Text Editor Overlay */
.inline-text-editor {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  color: #000000;
  border: 1.5px dashed var(--accent, #007cff);
  border-radius: 2px;
  outline: none;
  padding: 2px 4px;
  margin: 0;
  box-sizing: border-box;
  z-index: 100;
  pointer-events: auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  white-space: pre-wrap;
  word-break: break-word;
  resize: none;
  overflow: hidden;
}

/* Document Setup Presets & Swatches */
.doc-preset-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-btn {
  background-color: var(--bg-panel-hover);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip-btn:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

.chip-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 500;
}

.bg-swatches-container {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 10px;
}

.swatch-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  outline: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  position: relative;
  box-sizing: border-box;
}

.swatch-btn:hover {
  transform: scale(1.15);
}

.swatch-btn.active {
  border-color: var(--accent) !important;
  outline: 2px solid var(--accent);
}

.swatch-btn.transparent-swatch {
  background-color: #ffffff;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(-45deg, #ccc 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #ccc 75%), 
                    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}

/* Canvas transparent artboard background pattern */
#svg-canvas-container.transparent-bg {
  background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%), 
                    linear-gradient(-45deg, #e2e8f0 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #e2e8f0 75%), 
                    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  background-color: #ffffff;
}

/* ==========================================================================
   RESPONSIVE DESIGN & TOUCH OPTIMIZATIONS (Tablets & Smartphones)
   ========================================================================== */

/* Touch-action optimization for canvas */
.canvas-viewport, #svg-canvas-container, .toolbar-rail {
  touch-action: none;
}

/* Hide mobile toggle buttons and sidebar menu drawer on desktop */
.mobile-nav-toggles {
  display: none;
}

.sidebar-menu {
  display: none;
}

/* Mobile Sidebar Menu Drawer Component Styling */
.sidebar-menu-body {
  padding: 8px 12px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.menu-drawer-section {
  background: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.menu-drawer-title {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
}

.menu-drawer-items {
  display: flex;
  flex-direction: column;
  padding: 2px 0;
}

.menu-drawer-items .menu-action {
  width: 100%;
  padding: 8px 12px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.menu-drawer-items .menu-action:hover,
.menu-drawer-items .menu-action:active {
  background-color: var(--bg-panel-hover);
  color: var(--accent);
}

.menu-drawer-items .utility-row {
  padding: 7px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.menu-drawer-items .utility-row:last-child {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   Tablet Landscape & Medium Desktops (<= 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }

  .sidebar-left {
    width: 240px;
  }

  .sidebar-right {
    width: 240px;
  }

  .header-center {
    width: 180px;
  }

  .header-center span {
    font-size: 11px;
  }
}

/* --------------------------------------------------------------------------
/* --------------------------------------------------------------------------
   Tablet Portrait & Small Screens (<= 920px)
   -------------------------------------------------------------------------- */
.btn-close-mobile-sidebar {
  display: none;
}

@media (max-width: 920px) {
  .btn-close-mobile-sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
  }
  .btn-close-mobile-sidebar:hover {
    color: var(--text-main);
  }

  .mobile-nav-toggles {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background-color: var(--bg-workspace);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
  }

  .mobile-toggle-btn:hover, .mobile-toggle-btn.active {
    background-color: var(--bg-panel-hover);
    color: var(--text-main);
    border-color: var(--accent);
  }

  /* Header & Navigation responsive adjustments */
  header {
    max-width: 100vw;
    overflow-x: hidden;
  }

  .header-left {
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .header-left::-webkit-scrollbar {
    display: none;
  }

  .menu-bar {
    display: none !important;
  }

  /* Make Sidebars off-canvas overlay drawers on tablets and phones */
  .sidebar-left {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 600;
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.6);
  }

  .sidebar-left.mobile-open {
    transform: translateX(0);
  }

  .sidebar-right {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 600;
    width: 300px;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
  }

  .sidebar-right.mobile-open {
    transform: translateX(0);
  }

  .sidebar-menu {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 600;
    width: 300px;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
    background-color: var(--bg-panel);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .sidebar-menu.mobile-open {
    transform: translateX(0);
  }

  .studio-container {
    position: relative;
    grid-template-columns: 1fr; /* Maximize canvas viewport */
  }

  /* Compact search trigger */
  .header-center {
    width: auto;
    padding: 6px;
  }
  .header-center span, .header-center .cmd-shortcut {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Smartphones (<= 640px)
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  header {
    padding: 0 8px;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .header-left {
    gap: 6px;
    flex-shrink: 0;
  }

  .header-right {
    gap: 6px;
    flex-shrink: 0;
  }

  .logo span {
    display: none; /* Icon-only logo on phones */
  }

  /* Hide desktop menu bar on small phone screens in favor of toolbar & command palette */
  .menu-bar {
    display: none !important;
  }

  .mobile-toggle-btn span {
    display: none; /* Icon-only panel toggles on small phones */
  }

  .mobile-toggle-btn {
    padding: 6px;
  }

  .btn-primary {
    padding: 5px 8px;
    font-size: 11.5px;
  }

  /* Hide static canvas rulers on tiny phone screens for max drawing space */
  .ruler-top, .ruler-left, .ruler-corner {
    display: none !important;
  }

  /* Workspace & Viewport take 100% space without grid position collapse */
  .workspace-wrapper {
    display: block !important;
    position: relative !important;
    width: 100% !important;
    height: 100% !important;
  }

  .canvas-viewport {
    display: block !important;
    position: relative !important;
    width: 100% !important;
    height: 100% !important;
    grid-row: auto !important;
    grid-column: auto !important;
  }

  /* Toolbar rail stays 100% visible, draggable and scrollable */
  .toolbar-rail {
    position: absolute !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 500 !important;
    padding: 4px;
    gap: 4px;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    overflow-x: hidden;
  }

  .btn-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
  }

  .btn-icon svg {
    width: 15px;
    height: 15px;
  }

  .rail-swatches-wrapper {
    width: 26px;
    height: 26px;
  }

  .rail-swatch-box {
    width: 16px;
    height: 16px;
  }

  /* Sidebars full width on mobile phones */
  .sidebar-left, .sidebar-right, .sidebar-menu {
    width: 100vw !important;
    max-width: 100vw !important;
    left: 0 !important;
    right: 0 !important;
    box-shadow: none !important;
    box-sizing: border-box !important;
  }

  .sidebar-left {
    transform: translateX(-100%);
  }

  .sidebar-left.mobile-open {
    transform: translateX(0) !important;
  }

  .sidebar-right {
    transform: translateX(100%);
  }

  .sidebar-right.mobile-open {
    transform: translateX(0) !important;
  }

  .sidebar-menu {
    transform: translateX(100%);
  }

  .sidebar-menu.mobile-open {
    transform: translateX(0) !important;
  }

  /* Modals & Popovers on Mobile */
  .rail-color-popover {
    left: 0;
    top: calc(100% + 8px);
    width: 220px;
  }

  .dialog-box {
    width: 92vw;
    max-width: 360px;
  }

  .command-palette-box {
    width: 94vw;
    margin-top: 8vh;
  }

  .coordinates-display {
    bottom: 8px;
    left: 8px;
    font-size: 10px;
    padding: 2px 6px;
  }

  .workspace-status {
    bottom: 8px;
    right: 8px;
    padding: 2px 6px;
    font-size: 10px;
  }
}

/* ==========================================================================
   HELP & USER GUIDE MODAL STYLING
   ========================================================================== */
.help-modal-card {
  width: 840px;
  max-width: 94vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-panel);
}

.help-nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: nowrap;
}

.help-tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.help-tab-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-hover);
}

.help-tab-btn.active {
  color: var(--text-main);
  background-color: var(--bg-panel);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.help-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background-color: var(--bg-panel);
}

.help-tab-content {
  display: none;
  flex-direction: column;
  gap: 16px;
}

.help-tab-content.active {
  display: flex;
}

.help-section-card {
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.help-section-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.help-section-card p {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-muted);
}

.help-feature-list {
  margin-top: 8px;
  padding-left: 18px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-muted);
}

.help-feature-list li {
  margin-bottom: 6px;
}

.help-grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 12px;
}

.help-tool-item {
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
}

.help-tool-header {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  min-width: 20px;
}

.help-tool-item p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.help-shortcuts-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
  font-size: 12px;
}

.help-shortcuts-table th, .help-shortcuts-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.help-shortcuts-table th {
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.help-shortcuts-table kbd {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-family: monospace;
  font-size: 11px;
  color: var(--accent);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background-color: var(--bg-workspace);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: var(--bg-panel-hover);
  border-color: var(--border-light);
  color: var(--text-main);
  transform: scale(1.05);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

/* Light Theme Component Refinements */
[data-theme="light"] .ruler-corner {
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .help-section-card,
[data-theme="light"] .help-tool-item {
  background-color: #f7f7fa;
  border-color: var(--border-color);
}

[data-theme="light"] .help-section-card h3,
[data-theme="light"] .help-tool-header {
  color: var(--text-main);
}

[data-theme="light"] .tool-badge {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--accent);
}

[data-theme="light"] .context-menu {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .rail-color-popover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .toolbar-rail {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .dialog-card {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
}

[data-theme="light"] .help-shortcuts-table kbd {
  background-color: #f4f4f7;
  border-color: #d8d8e0;
}

/* Language Selection Modal */
.language-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}

@media (max-width: 540px) {
  .language-grid {
    grid-template-columns: 1fr;
  }
}

.language-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background-color: var(--bg-workspace);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.language-card:hover {
  background-color: var(--bg-panel-hover);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.language-card.active {
  border-color: var(--accent);
  background-color: var(--accent-light);
}

.lang-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-flag {
  font-size: 24px;
  line-height: 1;
}

.lang-names {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lang-native-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.lang-english-name {
  font-size: 11px;
  color: var(--text-muted);
}

.lang-active-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* RTL Language Support (Arabic & Urdu) */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .header-left {
  flex-direction: row;
}

[dir="rtl"] .dropdown-menu {
  left: auto;
  right: 0;
}

[dir="rtl"] .menu-action {
  text-align: right;
  flex-direction: row-reverse;
}

[dir="rtl"] .sidebar-left {
  border-right: none;
  border-left: 1px solid var(--border-color);
}

[dir="rtl"] .sidebar-right {
  border-left: none;
  border-right: 1px solid var(--border-color);
}

[dir="rtl"] .sidebar-menu {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid var(--border-color);
  transform: translateX(-100%);
}

[dir="rtl"] .sidebar-menu.mobile-open {
  transform: translateX(0);
}