body {
    margin: 0;
    background: #2e2e2e;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  #chat-container {
    width: 90%;
    max-width: 600px;
    background: #2e2e2e;
    border-radius: 20px;
    box-shadow: 10px 10px 20px #242424, -10px -10px 20px #383838;
    padding: 20px;
  }
  
  #messages {
    height: 400px;
    overflow-y: auto;
    margin-bottom: 15px;
    color: #eee;
    padding-top: 170px; /* Abstand für fixierten Button */
  }
  
  form {
    display: flex;
  }
  
  input[type="text"] {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 10px;
    margin-right: 10px;
    background: #2e2e2e;
    color: #eee;
    box-shadow: inset 5px 5px 10px #242424, inset -5px -5px 10px #383838;
  }
  
  button {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    background: #2e2e2e;
    color: #eee;
    box-shadow: 5px 5px 10px #242424, -5px -5px 10px #383838;
    cursor: pointer;
  }

  #character-setup {
    width: 90%;
    max-width: 600px;
    background: #2e2e2e;
    border-radius: 20px;
    box-shadow: 10px 10px 20px #242424, -10px -10px 20px #383838;
    padding: 30px;
    text-align: center;
    color: #eee;
    margin-bottom: 20px;
  }
  
  #character-setup h2 {
    margin-bottom: 20px;
  }
  
  .character-select-container {
    margin-bottom: 20px;
  }
  
  #character-select {
    width: 100%;
    padding: 12px;
    background: #2e2e2e;
    color: #eee;
    border: none;
    border-radius: 10px;
    box-shadow: inset 5px 5px 10px #242424, inset -5px -5px 10px #383838;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
  }
  
  #custom-character {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background: #2e2e2e;
    color: #eee;
    border: none;
    border-radius: 10px;
    box-shadow: inset 5px 5px 10px #242424, inset -5px -5px 10px #383838;
  }
  
  #start-chat {
    margin-top: 20px;
    padding: 12px 30px;
    background: #2e2e2e;
    color: #eee;
    border: none;
    border-radius: 10px;
    box-shadow: 5px 5px 10px #242424, -5px -5px 10px #383838;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  #start-chat:hover {
    box-shadow: inset 5px 5px 10px #242424, inset -5px -5px 10px #383838;
  }
  
  #chat-header {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000; /* bleibt über allem */
  }
  
  #back-to-characters {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #2e2e2e;
    color: #ff6b6b;
    border: none;
    font-size: 24px;
    box-shadow: 5px 5px 10px #242424, -5px -5px 10px #383838;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
  }
  
  #back-to-characters:hover {
    box-shadow: inset 5px 5px 10px #242424, inset -5px -5px 10px #383838;
    background: #3b3b3b;
  }
  
  /* Tooltip Style */
  #back-to-characters::after {
    content: 'Neuen Charakter wählen';
    position: absolute;
    bottom: -35px;
    left: 150%;
    transform: translateX(-50%);
    background: #2e2e2e;
    color: #eee;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    box-shadow: 2px 2px 8px #242424, -2px -2px 8px #383838;
    transition: opacity 0.3s ease;
  }
  
  #back-to-characters:hover::after {
    opacity: 1;
  }
  

  .user-message {
    background: #3b3b3b;
    color: #00ffc8;
    padding: 10px;
    border-radius: 10px;
    margin: 10px 0;
    align-self: flex-end;
    box-shadow: inset 2px 2px 6px #242424, inset -2px -2px 6px #383838;
  }
  
  .gpt-message {
    background: #2e2e2e;
    color: #ffd700;
    padding: 10px;
    border-radius: 10px;
    margin: 10px 0;
    align-self: flex-start;
    box-shadow: inset 2px 2px 6px #242424, inset -2px -2px 6px #383838;
  }
  
  #loader {
    text-align: center;
    margin-top: 15px;
    color: #aaa;
    font-style: italic;
  }