html, body {
  margin: 0;
  height: 100%;
  background: #07080a;
  color: #f3ead8;
  font-family: "Noto Sans CJK SC", "Noto Sans CJK TC", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-height: 100%;
  overflow: auto;
  padding: 12px 0 24px;
}

canvas {
  width: 960px;
  height: 540px;
  flex: none;
  background: #07080a;
  box-shadow: 0 0 0 1px #3a3124;
  cursor: default;
}

@media (min-width: 980px) {
  body {
    height: 100%;
    justify-content: center;
  }
}

#autotest-results {
  display: none;
  box-sizing: border-box;
  width: min(100vw, 960px);
  margin: 0;
  padding: 8px 12px 16px;
  white-space: pre-wrap;
  font-family: "Noto Sans Mono CJK SC", ui-monospace, monospace;
  font-size: 14px;
  line-height: 1.45;
}

#autotest-results.on { display: block; }
#autotest-results.pass { color: #b7e1a1; }
#autotest-results.fail { color: #f0b0a8; }