body {
  font-family: sans-serif;
  max-width: 800px;
  margin: auto;
  padding: 1rem;
}

section {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
}

input {
  margin-left: 0.5rem;
}

button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
}

canvas {
  width: 100%;
  max-height: 300px;
  margin-top: 1rem;
}

header, footer {
  text-align: center;
  padding: 1rem;
  background: #f5f5f5;
}

footer {
  margin-top: 2rem;
  font-size: 0.9rem;
}

.celebrate {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  animation: pop 2s ease;
}

@keyframes pop {
  0% { transform: scale(0); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); opacity: 0; }
}

#confetti {
  white-space: pre-line;
}