/* Reset ringan */
* {
  box-sizing: border-box;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: #f5f7fa;
  color: #333;
  max-width: 600px;
  margin: 40px auto;
  padding: 24px;
  line-height: 1.6;
}

/* Judul */
h1 {
  text-align: center;
  margin-bottom: 8px;
}

h2 {
  text-align: center;
  font-weight: normal;
  color: #555;
  margin-bottom: 24px;
}

/* List penjelasan */
ul {
  background-color: #ffffff;
  padding: 20px 24px;
  border-radius: 8px;
  list-style: disc;
  margin-bottom: 24px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

ul li {
  margin-bottom: 10px;
}

ul li strong {
  color: #000;
}

/* Form input */
label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 16px;
}

/* Tombol */
button {
  width: 100%;
  padding: 12px;
  margin-top: 16px;
  background-color: #2563eb;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #1d4ed8;
}

/* Hasil */
#hasil {
  margin-top: 20px;
  padding: 14px;
  text-align: center;
  font-weight: bold;
  border-radius: 6px;
  background-color: #e0f2fe;
  color: #0369a1;
}