/* Reset */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      height: 100%;
      /* aby html zabíral 100% výšky viewportu */
      background-image: url('/../assets/img/loginbg.png');
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center center;
    }

    body {
      height: 100%;
      /* taky 100%, aby se roztahl přes celé html */
      margin: 0;
      /* odstranit defaultní margin */
      display: flex;
      justify-content: center;
      /* horizontální centrování obsahu */
      align-items: center;
      /* vertikální centrování obsahu */
      font-family: Arial, sans-serif;
      /* vlastní font */
    }

    .login-container {
      width: 320px;
      background: rgb(48, 46, 46);
      padding: 40px 30px 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    /* Logo */
    .logo {
      margin-bottom: 30px;
      font-size: 28px;
      font-weight: bold;
      color: #007bff;
      user-select: none;
    }

    /* Form */
    form {
      display: flex;
      flex-direction: column;
    }

    label {
      text-align: left;
      margin-bottom: 5px;
      font-weight: 600;
      color: #ffffff;
      font-size: 14px;
    }

    #error {
      color: red;
      font-weight: bold;
    }

    input[type="text"],
    input[type="password"] {
      padding: 10px;
      margin-bottom: 20px;
      border: 1.5px solid #ccc;
      border-radius: 5px;
      font-size: 16px;
      transition: border-color 0.3s;
    }

    input[type="text"]:focus,
    input[type="password"]:focus {
      border-color: #007bff;
      outline: none;
    }

    button {
      padding: 12px;
      background-color: #007bff;
      border: none;
      border-radius: 6px;
      color: white;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    button:hover {
      background-color: #0056b3;
    }

h3 {
  color: red;
  font-size: xx-small;
}