body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: #f8f8f8;
}

#app {
  padding: 16px;
  max-width: 600px;
  margin: auto;
}

.all {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: white;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.all > div {
  display: flex;
  flex-direction: column;
}

.all label,
.all div {
  font-size: 16px;
}

input[type="text"],
input[type="number"] {
  padding: 8px;
  font-size: 16px;
  border-radius: 4px;
  border: 1px solid #ccc;
  margin-top: 4px;
}

button {
  padding: 10px;
  font-size: 16px;
  background: #2d88ff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #1c6ed2;
}

@media (max-width: 480px) {
  #app {
    padding: 12px;
  }

  .all {
    padding: 12px;
    gap: 10px;
  }

  input,
  button {
    font-size: 14px;
  }
}