:root {
  --color-bg-dark: #111827;
  --color-text-light: #f3f4f6;
  --color-text-muted: #9ca3af;
  --color-panel-bg: rgba(31, 41, 55, 0.7);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  position: relative;
  width: 90vw;
  height: 90vh;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.info-panel {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background-color: var(--color-panel-bg);
  padding: 1rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
}

.info-panel h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.info-panel p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.fps-counter {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background-color: var(--color-panel-bg);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-family: monospace;
}