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

:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #1a1a1a;
  --neon: #00ff41;
  --cyan: #00ffff;
  --magenta: #ff00ff;
  --text: #cccccc;
  --text-dim: #666666;
  --border: #2a2a2a;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Press Start 2P', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px;
}

/* HEADER */
header {
  text-align: center;
  padding: 20px 0 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--neon);
  margin-bottom: 12px;
}

.glitch {
  font-size: 28px;
  color: var(--neon);
  text-shadow:
    2px 2px var(--magenta),
    -2px -2px var(--cyan),
    0 0 20px rgba(0,255,65,0.3);
  letter-spacing: 4px;
  animation: glitch-anim 3s infinite;
  position: relative;
}

@keyframes glitch-anim {
  0%, 90%, 100% { transform: translate(0); }
  92% { transform: translate(-2px, 1px); text-shadow: 3px 3px var(--magenta), -3px -3px var(--cyan); }
  94% { transform: translate(2px, -1px); }
  96% { transform: translate(-1px, 2px); text-shadow: 1px 1px var(--magenta), -1px -1px var(--cyan); }
}

.subtitle {
  font-size: 8px;
  color: var(--text-dim);
  margin-top: 8px;
  letter-spacing: 2px;
}

/* DISPLAY */
#display-area {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  align-items: flex-start;
}

#original-container {
  flex: 0 0 180px;
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 6px;
  position: relative;
}

#original-container canvas {
  width: 100%;
  display: block;
  image-rendering: auto;
}

#processed-container {
  flex: 1;
  min-width: 0;
}

.monitor-bezel {
  background: #0d0d0d;
  border: 3px solid #333;
  border-radius: 8px;
  padding: 8px;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 0 60px rgba(0,0,0,0.8),
    0 0 20px rgba(0,255,65,0.05);
  cursor: pointer;
}

.monitor-bezel canvas {
  width: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  position: relative;
  z-index: 1;
}

#scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
  z-index: 2;
}

#vignette {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0,0,0,0.6) 100%
  );
  pointer-events: none;
  z-index: 3;
}

#fullscreen-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 6px;
  color: var(--text-dim);
  z-index: 4;
  opacity: 0;
  transition: opacity 0.3s;
}

.monitor-bezel:hover #fullscreen-hint {
  opacity: 1;
}

.label {
  font-size: 6px;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.main-label {
  color: var(--neon);
  text-shadow: 0 0 6px rgba(0,255,65,0.4);
}

/* PALETTE PREVIEW */
#palette-preview {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
  padding: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
}

#palette-swatches {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
}

.swatch {
  width: 18px;
  height: 18px;
  border: 1px solid #444;
}

/* HISTOGRAM */
#histogram-container {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 6px;
  margin-bottom: 8px;
  text-align: center;
}

#histogram-canvas {
  width: 100%;
  max-width: 320px;
  height: 36px;
  image-rendering: pixelated;
}

/* CONTROLS */
#controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  margin-bottom: 8px;
  align-items: flex-end;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 7px;
  color: var(--cyan);
  letter-spacing: 1px;
}

select {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 8px;
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  cursor: pointer;
  outline: none;
}

select:focus {
  border-color: var(--neon);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--neon);
  border: none;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--neon);
  border: none;
  cursor: pointer;
}

.toggle-btn {
  background: var(--bg3);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 6px 12px;
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-btn.active {
  background: rgba(0,255,65,0.15);
  color: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 8px rgba(0,255,65,0.2);
}

.action-btn {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  cursor: pointer;
  transition: all 0.15s;
}

.action-btn:hover {
  background: rgba(0,255,255,0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

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

.buttons {
  flex-direction: row;
  gap: 8px;
  align-items: flex-end;
}

/* STATUS BAR */
#status-bar {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 6px 10px;
  margin-bottom: 8px;
  font-size: 6px;
  color: var(--neon);
  letter-spacing: 1px;
  text-shadow: 0 0 4px rgba(0,255,65,0.3);
  overflow: hidden;
  white-space: nowrap;
}

/* NO CAMERA */
#no-camera {
  text-align: center;
  padding: 30px;
  background: var(--bg2);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

#no-camera.hidden {
  display: none;
}

.no-cam-title {
  font-size: 12px;
  color: var(--magenta);
  margin-bottom: 10px;
}

.no-cam-sub {
  font-size: 7px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 16px;
}

#fallback-img {
  max-width: 200px;
  image-rendering: pixelated;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 16px;
  font-size: 6px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 7px;
}

footer a:hover {
  text-shadow: 0 0 6px var(--cyan);
}

/* FULLSCREEN STYLES */
.monitor-bezel:fullscreen,
.monitor-bezel:-webkit-full-screen {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0;
}

.monitor-bezel:fullscreen canvas,
.monitor-bezel:-webkit-full-screen canvas {
  max-width: 100vw;
  max-height: 100vh;
  object-fit: contain;
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .glitch {
    font-size: 18px;
  }

  #display-area {
    flex-direction: column;
  }

  #original-container {
    flex: none;
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
  }

  #controls {
    justify-content: center;
  }

  input[type="range"] {
    width: 90px;
  }

  .action-btn, .toggle-btn, select {
    padding: 10px 14px;
    font-size: 8px;
  }
}