/* Umum */
body {
    font-family: sans-serif;
    background: #f3f4f6;
    padding: 40px;
    color: #111827;
  }
  
  h2, h3, h4 {
    text-align: center;
    color: #1f2937;
  }
  
  /* Tombol Navigasi */
  .menu {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }
  .menu button {
    padding: 10px 20px;
    margin: 5px 10px;
    cursor: pointer;
    border: none;
    background-color: #2563eb;
    color: white;
    border-radius: 6px;
    transition: background 0.3s;
  }
  .menu button:hover {
    background-color: #1d4ed8;
  }
  
  /* Konten */
  #content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
  }
  
  /* Tabel */
  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background: #fff;
  }
  th, td {
    border: 1px solid #e5e7eb;
    padding: 10px;
    text-align: center;
  }
  th {
    background-color: #f1f5f9;
    font-weight: 600;
  }
  
  /* Form */
  form {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
  }
  textarea, select, input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
  }
  label {
    font-weight: bold;
  }
  small {
    display: block;
    color: #555;
    margin-top: -8px;
    margin-bottom: 10px;
    font-size: 12px;
  }
  button[type="submit"] {
    background-color: #16a34a;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 6px;
  }
  button[type="submit"]:hover {
    background-color: #15803d;
  }