:root {
    --smetanova: #fdfbf7;
    --cihlova: #b22222; /* Upravte podle přesného odstínu ve vašem CSS */
  }

  body {
    background-color: var(--smetanova);
  }

  .auth_section {
    padding: 90px 0;
  }

  .auth_container {
    background: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
  }

  .auth_container h2 {
    margin-bottom: 30px;
    font-weight: bold;
    color: #222;
    text-transform: uppercase;
    text-align: center;
  }

  .form-control {
    border-radius: 5px;
    padding: 12px;
    border: 1px solid #ddd;
    margin-bottom: 15px;
  }

  .btn-auth {
    background-color: var(--cihlova);
    color: white;
    width: 100%;
    padding: 12px;
    border-radius: 5px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s;
    border: none;
    margin-top: 10px;
  }

  .btn-auth:hover {
    background-color: #8b0000;
    color: white;
  }

  .toggle-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: #666;
    text-decoration: underline;
    cursor: pointer;
  }

  .header_section {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  }