body {
  background-color: #000;
  color: #fff;
  font-family: Menlo, monospace;
  font-size: 16px;
  margin: 0;
  padding: 0;
  display: grid;
  place-items: center;
  height: 100vh;
}

.container {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1em;
  text-align: center;
  width: 90%;
  max-width: 800px;
}

h1 {
  font-size: 1.6rem;
  margin: 0.2em 0 0;
}

h2 {
  font-size: 1rem;
  font-weight: normal;
  color: #ccc;
  margin: 0;
}

main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2em;
}

.emulator canvas {
  border: 1px solid #555;
  background: #111;
  display: block;
  margin: 0 auto 0.5em;
}

button {
  background: #111;
  color: #fff;
  border: 1px solid #444;
  padding: 0.4em 0.8em;
  cursor: pointer;
  font-family: Menlo, monospace;
}
button:hover {
  border-color: #fff;
}

.player {
  border-top: 1px solid #333;
  padding-top: 1em;
}

.player h3 {
  font-size: 1rem;
  margin-bottom: 0.5em;
  color: #ccc;
}

#tracklist {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.5em;
}

#tracklist tr {
  border-bottom: 1px solid #333;
  cursor: pointer;
}

#tracklist tr:hover {
  background: #111;
}

#tracklist td {
  padding: 0.3em 0.5em;
  text-align: left;
  font-size: 0.9rem;
  color: #aaa;
}
#nes-canvas {
  width: 80vw;
  max-width: 768px;
  height: auto;
  image-rendering: pixelated;
  border: 2px solid #333;
}
#controls {
  text-align: center;
  font-family: monospace;
  font-size: 0.9em;
  color: #ddd;
  background: #111;
  padding: 0.5em;
  border-radius: 8px;
  margin-top: 1em;
}
#controls kbd {
  background: #222;
  padding: 2px 6px;
  border-radius: 4px;
}

audio {
  width: 100%;
  outline: none;
  background: #000;
}

footer {
  font-size: 0.8rem;
  color: #555;
}