* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #050405;
  color: #d8c9a0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;
}

#canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  cursor: crosshair;
  touch-action: none;
}

#overlay {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  max-width: 22rem;
  padding: 0.75rem 1rem;
  background: rgba(8, 6, 4, 0.55);
  border: 1px solid rgba(255, 180, 80, 0.18);
  border-radius: 6px;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #e4d4a6;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

#overlay h3 {
  margin: 0 0 0.3rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: #f4e2b4;
}

#overlay .hint {
  margin-top: 0.35rem;
  color: #b9a778;
  font-size: 0.75rem;
}

@media (max-width: 640px){
  #overlay {
    left: 0.5rem;
    right: 0.5rem;
    bottom: 0.5rem;
    max-width: none;
    font-size: 0.75rem;
  }
}