body {
  font-family: sans-serif;
  text-align: center;
  background: #f9f9f9;
  padding: 40px;
}
.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 30px auto;
  max-width: 800px;
}
button {
  padding: 12px;
  font-size: 1rem;
  background: #2e66f1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
button:hover {
  background: #1748cc;
}
.pie {
  width: 100px;
  height: auto;
  margin: 20px auto;
  animation: float 2.5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
input {
  padding: 10px;
  width: 250px;
  margin-top: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}