body {
    font-family: sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
    text-align: center;
  }
  
  #main {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
  input {
    display: block;
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
  }
  
  button {
    padding: 10px 20px;
    margin: 10px 5px;
    border: none;
    background-color: #4a90e2;
    color: white;
    border-radius: 6px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #357ab8;
  }
  
  .hidden {
    display: none;
  }
  
  #password-list button {
    display: block;
    width: 100%;
    margin: 5px 0;
    padding: 10px;
    background-color: #eee;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  
  #password-list button:hover {
    background-color: #ddd;
  }

  #logo{
    width: 30%;
    height: auto;
  }

  #welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f9f9f9;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
  }
  
  #welcome-screen.hidden {
    opacity: 0;
    pointer-events: none;
  }
  
  #welcome-screen h1 {
    font-size: 2.5rem;
    margin: 10px 0;
    color: #333;
  }
  
  #welcome-screen p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #666;
  }
  
  #welcome-screen button {
    padding: 10px 20px;
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
  }
  
  #welcome-screen button:hover {
    background-color: #005fa3;
  }
  
  #logo_inicio {
    width: 120px;
    height: auto;
    margin-bottom: 15px;
  }