/* Sidebar */
  #sidebar {
    width: 260px;
    background: #2c3e50;
    color: white;
    padding: 20px;
    box-sizing: border-box;
  }

  #sidebar h2 {
    margin-top: 0;
    font-size: 1.4rem;
    margin-bottom: 15px;
  }

  #sidebar label {
    display: block;
    margin-top: 15px;
    font-size: 1rem;
  }

  #sidebar select,
  #sidebar input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 6px;
    border: none;
    font-size: 1rem;
  }

  #sidebar button {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    background: #3498db;
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
  }

  #sidebar button:hover {
    background: #2980b9;
  }