/* style.css */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden; /* Prevents scrollbars on full-page apps */
  background-color: rgb(250, 250, 250);
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
}

canvas {
  display: block;
  /* Use max-width/height to maintain visibility on small screens */
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
}

/* Floating control for the shape selector */
#controls {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
}
label { font-weight: bold; margin-right: 8px; }
select { font-size: 14px; padding: 6px; border-radius: 4px; border: 1px solid #ccc; }