/* CSS Design System and Styling for Stage Calculator */

:root {
  /* Harmonious Color Palette */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1b253f;
  --card-bg: rgba(19, 27, 46, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  
  --accent-primary: #8b5cf6; /* Violet */
  --accent-primary-glow: rgba(139, 92, 246, 0.35);
  --accent-secondary: #06b6d4; /* Cyan */
  --accent-secondary-glow: rgba(6, 182, 212, 0.35);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --transition-speed: 0.2s;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* App Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  gap: 1.5rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem 2rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.accent-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Unit Toggle Switch */
.unit-toggle-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toggle-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.toggle-switch-wrapper {
  position: relative;
}

.toggle-checkbox {
  display: none;
}

.toggle-switch-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 140px;
  height: 34px;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  cursor: pointer;
  position: relative;
  padding: 0 4px;
}

.toggle-option {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
  color: var(--text-secondary);
  transition: color var(--transition-speed);
}

.toggle-option.active {
  color: white;
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 66px;
  height: 26px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50px;
  transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  box-shadow: 0 2px 8px var(--accent-primary-glow);
}

.toggle-checkbox:checked + .toggle-switch-label .toggle-slider {
  transform: translateX(66px);
}

/* Main Workspace */
.app-workspace {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Sidebar Styling */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel-section {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.75rem;
}

.section-title i {
  color: var(--accent-secondary);
  width: 18px;
  height: 18px;
}

/* Form Inputs */
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.unit-indicator {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 0.875rem;
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.form-input {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 0.875rem 0.75rem 2.25rem;
  color: white;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-input[type="number"] {
  font-family: 'JetBrains Mono', monospace;
}

/* Select Box */
.select-wrapper::after {
  content: "";
  position: absolute;
  right: 1rem;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

.select-input {
  appearance: none;
  cursor: pointer;
}

/* Segmented Control styling */
.segmented-control {
  display: flex;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  padding: 3px;
}

.segmented-control input[type="radio"] {
  display: none;
}

.segmented-control .segment-btn {
  flex: 1;
  text-align: center;
  padding: 0.5rem 0.25rem;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-speed);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2px;
}

.segmented-control .segment-btn .btn-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.segmented-control .segment-btn .btn-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.segmented-control input[type="radio"]:checked + .segment-btn {
  background: linear-gradient(135deg, var(--accent-primary), rgba(139, 92, 246, 0.6));
  box-shadow: 0 2px 6px var(--accent-primary-glow);
}

.segmented-control input[type="radio"]:checked + .segment-btn .btn-title {
  color: white;
}

.segmented-control input[type="radio"]:checked + .segment-btn .btn-desc {
  color: rgba(255, 255, 255, 0.8);
}

.segmented-control.text-only .segment-btn {
  padding: 0.65rem 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.segmented-control.text-only input[type="radio"]:checked + .segment-btn {
  color: white;
}

/* Accessory Toggle Box */
.accessory-toggle-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition-speed);
}

.toggle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toggle-title-desc {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toggle-title-desc .title {
  font-size: 0.9rem;
  font-weight: 600;
  color: white;
}

.toggle-title-desc .desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Modern Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  transition: .3s;
}

.switch .slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .3s;
}

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

.switch input:checked + .slider:before {
  transform: translateX(20px);
  background-color: white;
}

.switch .slider.round {
  border-radius: 34px;
}

.switch .slider.round:before {
  border-radius: 50%;
}

/* Accessory Details Container */
.accessory-subdetails {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: slideDown 0.25s ease-out;
}

.sub-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.sides-selector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.side-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.side-checkbox input[type="checkbox"] {
  appearance: none;
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  width: 16px;
  height: 16px;
  border-radius: 4px;
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all var(--transition-speed);
}

.side-checkbox input[type="checkbox"]:checked {
  background-color: var(--accent-secondary);
  border-color: var(--accent-secondary);
}

.side-checkbox input[type="checkbox"]::before {
  content: "";
  width: 8px;
  height: 8px;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em white;
  transform-origin: center;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.side-checkbox input[type="checkbox"]:checked::before {
  transform: scale(1);
}

.side-checkbox label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.hidden {
  display: none !important;
}

/* Main Panel Layout */
.main-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0; /* Prevent flex blowout */
}

/* Card base styling */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header-title i {
  color: var(--accent-primary);
  width: 20px;
  height: 20px;
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
}

/* Visualizer Controls */
.visualizer-tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.tool-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.tool-btn.active {
  background: var(--accent-secondary);
  color: white;
  border-color: var(--accent-secondary);
}

.tool-btn i {
  width: 16px;
  height: 16px;
}

.visualizer-tools .divider {
  width: 1px;
  height: 20px;
  background: var(--card-border);
  margin: 0 0.25rem;
}

/* Stage Visualizer viewport */
.visualizer-content {
  position: relative;
  height: 480px;
  background-color: #060913;
  display: flex;
  flex-direction: column;
}

#stage-svg {
  width: 100%;
  height: 100%;
  min-height: 100%;
  flex: 1;
  cursor: grab;
  display: block;
}

#stage-svg:active {
  cursor: grabbing;
}

/* Visualization Legend */
.visualization-legend {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 0.5rem 0.75rem;
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  pointer-events: none;
  z-index: 5;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.deck-legend {
  background: linear-gradient(135deg, var(--accent-primary), rgba(139, 92, 246, 0.4));
  border: 1px solid var(--accent-primary);
}

.cut-legend {
  background: repeating-linear-gradient(45deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.15) 3px, rgba(239, 68, 68, 0.3) 3px, rgba(239, 68, 68, 0.3) 6px);
  border: 1px solid var(--danger);
}

.rail-legend {
  background: var(--accent-secondary);
  box-shadow: 0 0 6px var(--accent-secondary-glow);
}

/* SVG Rendering Elements styling */
.svg-deck {
  fill: rgba(139, 92, 246, 0.12);
  stroke: var(--accent-primary);
  stroke-width: 1.5;
  rx: 3px;
  ry: 3px;
  transition: fill 0.25s, stroke-width 0.2s;
  cursor: pointer;
}

.svg-deck:hover {
  fill: rgba(139, 92, 246, 0.25);
  stroke: var(--accent-secondary);
  filter: url(#glow);
}

.svg-deck-cut {
  fill: rgba(239, 68, 68, 0.08);
  stroke: var(--danger);
  stroke-width: 1.5;
  stroke-dasharray: 4 2;
  rx: 3px;
  ry: 3px;
}

.svg-deck-cut:hover {
  fill: rgba(239, 68, 68, 0.18);
}

.svg-deck-label {
  fill: var(--text-secondary);
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  pointer-events: none;
  text-anchor: middle;
  dominant-baseline: middle;
}

.svg-deck-hover-label {
  fill: white;
  font-weight: bold;
}

.svg-rail {
  stroke: var(--accent-secondary);
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 2px var(--accent-secondary-glow));
}

.svg-stage-outline {
  fill: none;
  stroke: rgba(255, 255, 255, 0.35);
  stroke-width: 2.5;
  stroke-dasharray: 6 4;
  pointer-events: none;
}

.svg-dimension-line {
  stroke: var(--text-muted);
  stroke-width: 1;
  stroke-dasharray: 2 2;
}

.svg-dimension-text {
  fill: var(--text-secondary);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-anchor: middle;
}

.svg-measurement-marker {
  fill: var(--text-muted);
}

.svg-connector-dot {
  fill: #fff;
  stroke: var(--accent-secondary);
  stroke-width: 1.5;
  r: 3.5;
}

.svg-connection-bolt {
  fill: #f59e0b;
  stroke: #b45309;
  stroke-width: 1;
  r: 3;
}

/* KPI Summary Dashboard */
.summary-dashboard {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.kpi-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform 0.2s, border-color 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.kpi-card.highlight-card {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.kpi-icon {
  background: var(--bg-tertiary);
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
}

.highlight-card .kpi-icon {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}

.kpi-icon i {
  width: 24px;
  height: 24px;
}

.kpi-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-val {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
  font-family: 'Outfit', sans-serif;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Dashboard Details Section */
.dashboard-details {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

.details-section {
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

/* Summary Table styling */
.table-container {
  padding: 1rem 1.5rem;
  flex: 1;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
}

.summary-table th, .summary-table td {
  padding: 0.85rem 0;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
}

.summary-table th {
  color: var(--text-secondary);
  font-weight: 500;
  width: 45%;
}

.summary-table td {
  color: white;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.summary-table tr:last-child th, .summary-table tr:last-child td {
  border-bottom: none;
}

/* Bill of Materials list styling */
.bom-list-wrapper {
  padding: 1.25rem 1.5rem;
  flex: 1;
}

.bom-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bom-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  transition: background var(--transition-speed);
}

.bom-item:hover {
  background: rgba(27, 37, 63, 0.6);
}

.bom-item-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bom-item-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: white;
}

.bom-item-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.bom-item-qty {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  box-shadow: 0 2px 6px rgba(139, 92, 246, 0.2);
}

/* Animations */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 1100px) {
  .app-workspace {
    grid-template-columns: 1fr;
  }
  
  .sidebar-panel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .panel-section:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: 0.75rem;
  }
  
  .app-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.25rem;
  }
  
  .header-actions {
    width: 100%;
  }
  
  .unit-toggle-container {
    justify-content: space-between;
    width: 100%;
  }
  
  .sidebar-panel {
    grid-template-columns: 1fr;
  }
  
  .panel-section:last-child {
    grid-column: span 1;
  }
  
  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .dashboard-details {
    grid-template-columns: 1fr;
  }
  
  .visualizer-content {
    height: 350px;
  }
}

/* Header Navigation Bar */
.header-nav {
  display: flex;
  gap: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.03);
  color: white;
}

.nav-link.active {
  background: var(--bg-tertiary);
  border-color: var(--card-border);
  color: white;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.nav-link i {
  width: 16px;
  height: 16px;
}

/* Custom Platform Designer Canvas Styles */
.designer-shapes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.shape-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1rem;
  cursor: grab;
  user-select: none;
  transition: all var(--transition-speed);
}

.shape-item:hover {
  background: rgba(27, 37, 63, 0.85);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.shape-item:active {
  cursor: grabbing;
}

.shape-preview-box {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.1);
  border: 1px dashed var(--accent-primary);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.shape-preview-svg {
  width: 100%;
  height: 100%;
}

.shape-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.shape-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
}

.shape-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Placed Active Shape Selection */
.svg-deck-active {
  stroke: var(--accent-secondary) !important;
  stroke-width: 2.5 !important;
  fill: rgba(6, 182, 212, 0.15) !important;
  filter: drop-shadow(0 0 4px var(--accent-secondary-glow));
}

.canvas-toolbar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
}

.canvas-instruction {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.canvas-instruction kbd {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: monospace;
  color: white;
}