:root {
  --bg: #1b1d1f;
  --panel: #26292c;
  --fg: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #d9a441;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.4 system-ui, sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 10px 16px;
  background: var(--panel);
}

h1 { margin: 0; font-size: 20px; color: var(--accent); letter-spacing: 1px; }

nav { display: flex; flex-wrap: wrap; gap: 8px; }

button, select, .button {
  background: #33373b;
  color: var(--fg);
  border: 1px solid #45494e;
  border-radius: 6px;
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
}
button:hover, select:hover, .button:hover { border-color: var(--accent); }

main { max-width: 1040px; margin: 0 auto; padding: 16px; }

#screen {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
}

#canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  outline: none;
  display: block;
}

#screen:fullscreen { border-radius: 0; aspect-ratio: auto; }
#screen:fullscreen #canvas { object-fit: contain; }

#overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  background: rgba(0, 0, 0, 0.75);
  white-space: pre-line;
}
#overlay[hidden] { display: none; }

#status { color: var(--muted); min-height: 1.4em; margin: 8px 0; }

details { color: var(--muted); }
td { padding: 2px 16px 2px 0; }