/* Core 90s Crash Test Dummy Theme Variables */
:root {
  --color-warning-yellow: #ffcc00;
  --color-dark-gray: #222222;
  --color-light-gray: #e0e0e0;
  --color-panel-bg: #ecece8;
  --color-border-dark: #333333;
  --color-safety-orange: #f05a28;
  --color-safety-blue: #007bc4;
  --color-safety-red: #d1121b;
  --color-lcd-bg: #8ba888; /* Classic retro green-gray LCD */
  --color-lcd-text: #1d2a1c;
  --font-logo: 'Bungee', Impact, 'Arial Narrow Bold', sans-serif;
  --font-telemetry: 'Share Tech Mono', monospace;
  --font-marker: 'Permanent Marker', cursive;
  --font-body: 'Arial', sans-serif;
}

/* Global resets & scrollbars */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: #f7f7f2;
  color: var(--color-dark-gray);
  overflow: hidden;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  border: 4px solid var(--color-border-dark);
  position: relative;
}

/* Hazard diagonal stripes */
.hazard-stripe-top {
  height: 24px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-warning-yellow),
    var(--color-warning-yellow) 15px,
    var(--color-dark-gray) 15px,
    var(--color-dark-gray) 30px
  );
  border-bottom: 4px solid var(--color-border-dark);
}

.hazard-stripe-bottom {
  height: 24px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-warning-yellow),
    var(--color-warning-yellow) 15px,
    var(--color-dark-gray) 15px,
    var(--color-dark-gray) 30px
  );
  border-top: 4px solid var(--color-border-dark);
}

/* Main Layout: Split between simulation and control */
.main-layout {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  background-color: #e3e3dc;
}

/* Left side: Canvas Simulator */
.canvas-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 4px solid var(--color-border-dark);
  background-color: #d8d8ce;
  position: relative;
}

.arena-header {
  height: 60px;
  background-color: var(--color-warning-yellow);
  border-bottom: 4px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.arena-header h1 {
  font-family: var(--font-logo);
  font-size: 2rem;
  color: var(--color-dark-gray);
  letter-spacing: 2px;
}

/* Telemetry warnings inside the Arena Header */
.danger-flasher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.danger-flasher .warning-text {
  font-family: var(--font-telemetry);
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--color-dark-gray);
}

.light {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-border-dark);
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.6);
}

.red-light {
  background-color: var(--color-safety-red);
}

.flashing {
  animation: flash 0.6s infinite alternate;
}

@keyframes flash {
  from {
    background-color: #ff3c3c;
    box-shadow: 0 0 8px #ff0000, inset 0 2px 4px rgba(255,255,255,0.6);
  }
  to {
    background-color: #5a0000;
    box-shadow: none;
  }
}

#canvas-holder {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  background-color: #e5e5dd; /* Grid pattern background will be drawn in canvas */
}

#canvas-wrapper {
  position: relative;
  width: 800px;
  height: 700px;
  border: 4px solid var(--color-border-dark);
  box-shadow: 6px 6px 0px rgba(0,0,0,0.15);
  background-color: #f0f0e8;
  display: block;
}

/* Canvas element border */
#canvas-holder canvas {
  border: none;
  box-shadow: none;
  background-color: transparent;
  display: block;
}

.arena-footer {
  height: 36px;
  background-color: var(--color-dark-gray);
  color: var(--color-warning-yellow);
  display: flex;
  align-items: center;
  padding: 0 20px;
  overflow: hidden;
}

.instructions-ticker {
  font-family: var(--font-telemetry);
  font-size: 1.1rem;
  font-weight: bold;
  width: 100%;
  text-align: center;
  letter-spacing: 1px;
}

/* Right side: Control Panel Dashboard */
.control-panel {
  width: 420px;
  background-color: var(--color-panel-bg);
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 18px;
  overflow-y: auto;
}

.panel-header {
  text-align: center;
  border: 3px solid var(--color-border-dark);
  background-color: #ffffff;
  padding: 10px;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
}

.logo-box h2 {
  font-family: var(--font-logo);
  font-size: 1.8rem;
  line-height: 1.1;
  color: var(--color-dark-gray);
  margin: 5px 0;
  text-shadow: 2px 2px 0px #cccccc;
}

.yellow-text {
  color: var(--color-warning-yellow);
  -webkit-text-stroke: 1px var(--color-border-dark);
  text-shadow: 2px 2px 0px var(--color-border-dark);
}

.checker-strip {
  height: 8px;
  background: repeating-conic-gradient(
    #fff 0% 25%, 
    #000 0% 50%
  ) 50% / 16px 16px;
}

.subtitle {
  font-family: var(--font-telemetry);
  font-size: 0.9rem;
  font-weight: bold;
  color: #555555;
  border-top: 1px dashed var(--color-border-dark);
  padding-top: 5px;
  margin-top: 5px;
}

/* Telemetry Screen - 90s Industrial Digital Console */
.telemetry-screen {
  border: 4px solid var(--color-border-dark);
  background-color: var(--color-border-dark);
  padding: 8px;
  border-radius: 4px;
  box-shadow: inset 2px 2px 8px rgba(0,0,0,0.5);
}

.screen-glass {
  background-color: var(--color-lcd-bg);
  padding: 12px;
  border: 2px solid #5a7558;
  border-radius: 2px;
  color: var(--color-lcd-text);
  font-family: var(--font-telemetry);
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 15px;
}

.telemetry-item {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.telemetry-item.mini {
  flex: 1;
}

.telemetry-item .label {
  font-size: 0.85rem;
  font-weight: bold;
  color: #3b4d3a;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.telemetry-item .value {
  font-size: 2.2rem;
  font-weight: bold;
  line-height: 1;
  text-align: right;
}

.telemetry-item .value.mini {
  font-size: 1.4rem;
}

.telemetry-item .unit {
  font-size: 1.1rem;
  margin-left: 4px;
  color: #4b6349;
}

/* Speed Bar indicator */
.speed-bar-container {
  margin-bottom: 12px;
}

.speed-bar-container .label {
  font-size: 0.8rem;
  font-weight: bold;
  color: #3b4d3a;
  display: block;
  margin-bottom: 4px;
}

.led-segments {
  height: 18px;
  display: flex;
  gap: 3px;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 2px;
  border-radius: 2px;
}

.led-segment {
  flex: 1;
  background-color: rgba(0, 0, 0, 0.15);
  border-radius: 1px;
  transition: background-color 0.1s ease;
}

/* Green, Yellow, Orange, Red LED active states */
.led-segment.green.active { background-color: #27ae60; box-shadow: 0 0 2px #2ecc71; }
.led-segment.yellow.active { background-color: #f1c40f; box-shadow: 0 0 2px #f39c12; }
.led-segment.orange.active { background-color: #e67e22; box-shadow: 0 0 2px #d35400; }
.led-segment.red.active { background-color: #c0392b; box-shadow: 0 0 2px #e74c3c; }

/* Subject list styles */
.dummies-status {
  margin-top: 10px;
  border-top: 2px solid rgba(0,0,0,0.15);
  padding-top: 10px;
}

.section-label {
  margin-bottom: 8px;
  display: block;
}

.dummy-telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.95rem;
  padding: 4px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,0.05);
}

.dummy-telemetry-row .status-name {
  font-weight: bold;
}

.dummy-telemetry-row .status-grip {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dummy-telemetry-row .grip-fill-container {
  width: 80px;
  height: 10px;
  background-color: rgba(0,0,0,0.25);
  border-radius: 1px;
  overflow: hidden;
}

.dummy-telemetry-row .grip-fill {
  height: 100%;
  background-color: #27ae60;
  width: 100%;
  transition: width 0.05s linear;
}

.dummy-telemetry-row.slipping .grip-fill {
  background-color: #e67e22;
}

.dummy-telemetry-row.danger .grip-fill {
  background-color: #c0392b;
}

.dummy-telemetry-row.flyoff {
  color: #6d1a12;
  background-color: rgba(200, 50, 50, 0.15);
}

.dummy-telemetry-row.flyoff .grip-fill-container {
  display: none;
}

/* Settings Sliders Panel */
.settings-panel {
  border: 3px solid var(--color-border-dark);
  background-color: #fdfdf9;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setting-group label {
  font-family: var(--font-telemetry);
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  color: var(--color-border-dark);
}

.setting-group .slider-val {
  color: var(--color-safety-orange);
}

/* 90s slider styling */
.setting-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 10px;
  background: var(--color-light-gray);
  border: 2px solid var(--color-border-dark);
  outline: none;
}

.setting-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background-color: var(--color-warning-yellow);
  border: 3px solid var(--color-border-dark);
  cursor: pointer;
  border-radius: 2px;
  box-shadow: 2px 2px 0px rgba(0,0,0,0.15);
}

.setting-group input[type="range"]::-webkit-slider-thumb:active {
  background-color: var(--color-safety-orange);
}

/* Retro Command buttons */
.command-center {
  display: flex;
  gap: 15px;
}

.retro-btn {
  font-family: var(--font-logo);
  font-size: 1.1rem;
  cursor: pointer;
  border: 3px solid var(--color-border-dark);
  padding: 12px;
  font-weight: bold;
  transition: transform 0.05s ease, box-shadow 0.05s ease;
  user-select: none;
}

.blue-btn {
  background-color: var(--color-safety-blue);
  color: white;
  flex: 1;
  box-shadow: 4px 4px 0px var(--color-border-dark);
  text-shadow: 1px 1px 0px rgba(0,0,0,0.5);
}

.blue-btn:hover {
  background-color: #0b93e6;
}

.blue-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px var(--color-border-dark);
}

/* Big Red Emergency Stop Button */
.red-btn {
  background-color: #990000;
  padding: 4px; /* Frame around button */
  flex: 1.2;
  box-shadow: 4px 4px 0px var(--color-border-dark);
}

.red-btn .btn-cap {
  background-color: var(--color-safety-red);
  color: white;
  border: 2px solid var(--color-border-dark);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-shadow: 1px 1px 0px rgba(0,0,0,0.5);
  box-shadow: inset 0px 4px 0px rgba(255,255,255,0.3);
}

.red-btn:hover .btn-cap {
  background-color: #e6222b;
}

.red-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px var(--color-border-dark);
}

.red-btn:active .btn-cap {
  box-shadow: inset 0px 2px 2px rgba(0,0,0,0.4);
}

/* Warning Label sticker at bottom */
.safety-sticker {
  border: 2px dashed #b54708;
  background-color: #fef0c7;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 4px;
}

.warning-symbol-logo {
  width: 32px;
  height: 32px;
  background-color: var(--color-warning-yellow);
  border: 2px solid var(--color-border-dark);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  /* Draw a warning symbol triangle or exclamation point inside */
  background-image: repeating-conic-gradient(
    #ffcc00 0% 25%, 
    #000 0% 50%
  );
  background-size: 100% 100%;
}

.sticker-text {
  font-size: 0.75rem;
  line-height: 1.2;
  color: #b54708;
}

.sticker-text strong {
  color: #903102;
}

/* Responsive adjustment for small screens */
@media (max-width: 1000px) {
  .main-layout {
    flex-direction: column;
    overflow-y: auto;
  }
  
  .canvas-container {
    border-right: none;
    border-bottom: 4px solid var(--color-border-dark);
  }
  
  .control-panel {
    width: 100%;
    height: auto;
    overflow-y: visible;
  }
  
  body {
    overflow: auto;
  }
  
  .app-container {
    height: auto;
    min-height: 100vh;
  }
}

/* Transparent circular overlay positioned directly over the merry-go-round (400px diameter, centered at 400,350) */
.drag-wheel-overlay {
  position: absolute;
  left: 200px; /* 400 - 200 */
  top: 150px;  /* 350 - 200 */
  width: 400px;
  height: 400px;
  border-radius: 50%;
  cursor: grab;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0); /* transparent but clickable */
  touch-action: none;
}

.drag-wheel-overlay:active {
  cursor: grabbing;
}