/* Alap stílus */
body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  /* Fejléc */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em 2em;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }
  
  .logo img {
    height: 60px;
    max-width: 100%;
  }
  
  .login-link a {
    text-decoration: none;
    color: #00f;
    font-weight: bold;
  }
  
  /* Főtartalom */
  main {
    flex: 1;
    padding: 2em;
    max-width: 1200px;
    margin: auto;
    text-align: center;
  }
  
  /* Lábléc */
  footer {
    padding: 1em;
    text-align: center;
    font-size: 0.9em;
    color: #666;
    background: #f1f1f1;
  }
  
  footer a {
    margin: 0 0.6em;
    text-decoration: none;
    color: #666;
  }
  
  /* Mobilnézet */
  @media (max-width: 600px) {
    header {
      flex-direction: column;
      gap: 1em;
    }
  }