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

:root {
  --green: #00ff41;
  --amber: #ffb000;
  --bg: #0a0a0a;
  --panel: #111111;
  --border: #333333;
  --text: #cccccc;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Silkscreen', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

body.dither-active {
  filter: url(#bayer-dither);
}

.pixel-font {
  font-family: 'Press Start 2P', monospace;
}

.silkscreen {
  font-family: 'Silkscreen', monospace;
}

/* Retro slider styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #222;
  border: 2px solid #444;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 24px;
  background: var(--green);
  border: 2px solid #fff;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 24px;
  background: var(--green);
  border: 2px solid #fff;
  cursor: pointer;
  border-radius: 0;
}

/* Retro button */
.retro-btn {
  font-family: 'Silkscreen', monospace;
  background: #222;
  color: var(--green);
  border: 3px solid var(--green);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 12px;
  text-transform: uppercase;
  transition: all 0.1s;
  letter-spacing: 1px;
}

.retro-btn:hover {
  background: var(--green);
  color: #000;
}

.retro-btn:active {
  transform: translate(2px, 2px);
}

.retro-btn.active {
  background: var(--green);
  color: #000;
}

/* Toggle switch */
.toggle-container {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.toggle-track {
  width: 64px;
  height: 32px;
  background: #333;
  border: 3px solid #555;
  position: relative;
  transition: all 0.15s;
}

.toggle-track.on {
  background: #003300;
  border-color: var(--green);
}

.toggle-knob {
  width: 24px;
  height: 24px;
  background: #666;
  position: absolute;
  top: 1px;
  left: 1px;
  transition: all 0.15s;
}

.toggle-track.on .toggle-knob {
  left: 33px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

/* Panel styling */
.ctrl-panel {
  background: var(--panel);
  border: 3px solid var(--border);
  padding: 16px;
}

.ctrl-panel label {
  font-family: 'Silkscreen', monospace;
  font-size: 11px;
  color: var(--green);
  display: block;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Color swatch grid */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 4px;
}

.swatch {
  aspect-ratio: 1;
  border: 2px solid #333;
}

/* Gradient bars */
.gradient-bar {
  height: 48px;
  border: 2px solid #333;
  margin-bottom: 8px;
}

/* Canvas drawing area */
.draw-canvas {
  border: 3px solid var(--green);
  cursor: crosshair;
  image-rendering: pixelated;
}

/* Zoom badge */
.zoom-badge {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: rgba(0,0,0,0.9);
  border: 2px solid var(--green);
  padding: 8px 12px;
  font-family: 'Silkscreen', monospace;
  font-size: 10px;
  color: var(--green);
  z-index: 9999;
  pointer-events: none;
}

/* Scanline overlay */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

/* Palette selector buttons */
.palette-btn {
  font-family: 'Silkscreen', monospace;
  font-size: 10px;
  padding: 6px 10px;
  border: 2px solid #444;
  background: #1a1a1a;
  color: #888;
  cursor: pointer;
  transition: all 0.1s;
}

.palette-btn:hover {
  border-color: #666;
  color: #ccc;
}

.palette-btn.selected {
  border-color: var(--green);
  color: var(--green);
  background: #001a00;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #111;
  border-left: 2px solid #333;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border: 2px solid #222;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* CRT flicker effect */
@keyframes flicker {
  0% { opacity: 0.97; }
  5% { opacity: 0.95; }
  10% { opacity: 0.97; }
  15% { opacity: 0.94; }
  20% { opacity: 0.98; }
  100% { opacity: 0.97; }
}

.crt-flicker {
  animation: flicker 4s infinite;
}