* {
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app {
  background: white;
  padding: 30px;
  width: 380px;
  border-radius: 16px;
  box-shadow: 0 12px 35px rgba(0,0,0,0.08);
  text-align: center;
}

h1 {
  margin-top: 0;
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

button {
  padding: 10px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: #222;
  color: white;
  font-size: 14px;
}

button:hover {
  background: #444;
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  padding: 14px;
  border-radius: 12px;
  font-size: 16px;
  display: none;
}

.calm {
  background: #e0f2f1;
}

.energy {
  background: #fff3cd;
}

.magic {
  background: #ede7f6;
}