:root {
  color-scheme: dark;
  --background: #090c12;
  --panel: #111722;
  --border: #293548;
  --text: #e8edf5;
  --muted: #8f9bad;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: var(--background);
  color: var(--text);
  font: 14px/1.4 Inter, ui-sans-serif, system-ui, sans-serif;
}

.app {
  display: grid;
  height: 100vh;
}

aside {
  overflow-y: auto;
  padding: 22px 18px;
  border-right: 1px solid var(--border);
  background: var(--panel);
}

h1 {
  margin: 0;
  color: var(--accent);
  font-size: 21px;
}

main {
  min-width: 0;
  min-height: 0;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}