/* Reset a základní nastavení */
  * {
    box-sizing: border-box;
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f9fc;
    color: #333;
  }

  h2 {
    text-align: center;
    color: #2c3e50;
  }

  /* Login box */
  #loginBox, #adminBox {
    max-width: 500px;
    margin: 50px auto;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }

  /* Form */
  form input[type="email"],
  form input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    transition: 0.3s;
  }

  form input[type="email"]:focus,
  form input[type="password"]:focus {
    border-color: #2980b9;
    outline: none;
  }

  form button {
    width: 100%;
    padding: 12px;
    background-color: #2980b9;
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
  }

  form button:hover {
    background-color: #3498db;
  }

  /* Admin dashboard */
  #adminBox button {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
    margin-bottom: 15px;
  }

  #adminBox button:hover {
    background-color: #c0392b;
  }

  /* Tabulka */
  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
  }

  th, td {
    padding: 12px 15px;
    text-align: left;
  }

  thead th {
    background-color: #2980b9;
    color: white;
  }

  tbody tr:nth-child(even) {
    background-color: #f2f2f2;
  }

  tbody button {
    background-color: #e67e22;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.3s;
  }

  tbody button:hover {
    background-color: #d35400;
  }

  @media (max-width: 600px) {
    #loginBox, #adminBox {
      margin: 20px;
      padding: 20px;
    }

    table, th, td {
      font-size: 14px;
    }

    form button, #adminBox button, tbody button {
      padding: 10px;
    }
  }