:root {
  --bg-color: #1a1a2e;
  --text-color: #e0e0e0;
  --accent-color: #e94560;
  --secondary-color: #16213e;
  --border-color: #0f3460;
  --font-mono: "Courier New", monospace;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#nes-container {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 256 / 240;
  background: #000;
  position: relative;
  margin: 20px auto;
  border: 2px solid var(--border-color);
}

#nes-container canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.controls {
  display: flex;
  gap: 10px;
  padding: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

button, .btn {
  background: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  border-radius: 4px;
  transition: all 0.2s;
}

button:hover, .btn:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

#rom-upload {
  display: none;
}

.status {
  text-align: center;
  padding: 10px;
  font-size: 12px;
  color: #888;
}