body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  background-color: #1b1033;
  color: #ffe9a8;
  min-height: 100vh;
  min-height: 100dvh;
}

.container {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(1rem, 3vw, 2rem);
  text-align: center;
}

.welcome {
  width: min(100%, 48rem);
}

.workshop-welcome,
.workshop-theme {
  margin: 0 0 0.75rem;
  color: #c7b8e0;
  font-size: 1rem;
}

#canvas-area {
  width: 100%;
  min-height: 0;
}

#stage {
  display: block;
  width: 100%;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  outline: none;
  border-radius: 16px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.toolbar button {
  font: inherit;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border: 2px solid #ff7a18;
  border-radius: 12px;
  background: #2d1b3d;
  color: #ffe9a8;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.toolbar button.on {
  background: #ff7a18;
  color: #1b1033;
}

.toolbar button:disabled {
  opacity: 0.4;
  cursor: default;
}

h1 {
  color: #ff9f1c;
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.75rem;
}

#desc {
  margin: 0;
  line-height: 1.6;
}