body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    color: #222;
    text-align: center;
    margin: 20px;
  }
  
  h1 {
    color: #2e7d32;
  }
  
  button {
    background-color: #ffa726;
    color: white;
    border: none;
    padding: 10px 14px;
    margin: 5px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.2s;
  }
  
  button:hover {
    background-color: #ef6c00;
  }
  
  .kalender {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 10px;
    margin-top: 20px;
  }
  
  .kalender-tag {
    background: #e8f5e9;
    border: 2px solid #2e7d32;
    border-radius: 12px;
    padding: 10px;
    text-align: left;
    position: relative;
  }
  
  .kalender-tag h4 {
    margin: 0;
    color: #2e7d32;
  }
  
  .schicht {
    margin: 6px 0;
    padding: 6px;
    border-radius: 6px;
  }
  
  .hl1 {
    background: #c5e1a5;
  }
  
  .hl2 {
    background: #ffcc80;
  }
  
  .tag-entfernen {
    position: absolute;
    top: 6px;
    right: 6px;
    background: red;
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 6px;
    cursor: pointer;
  }
  
  #scoreboard {
    width: 60%;
    margin: 20px auto;
    border-collapse: collapse;
  }
  
  #scoreboard th, #scoreboard td {
    border: 1px solid #ccc;
    padding: 8px;
  }
  
  #scoreboard th {
    background: #2e7d32;
    color: white;
  }
  
  .popup {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
  }
  
  .popup-content {
    background: white;
    padding: 20px;
    border-radius: 12px;
    width: 350px;
    text-align: left;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
  }
  
  .popup-content h3 {
    color: #2e7d32;
    text-align: center;
  }
  
  .popup-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
  }
  
  .popup-buttons .save {
    background-color: #2e7d32;
  }
  
  .popup-buttons .cancel {
    background-color: #ef6c00;
  }