body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(-45deg, #1c1c1c, #0f2027, #1a1a1a, #111);
    background-color: #1c1c1c;
    background-size: 400% 400%;
    animation: mistyFlow 25s ease infinite;
    color: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }

  @keyframes mistyFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  form {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.6);
    max-width: 350px;
    width: 100%;
    text-align: center;
  }

  h2 {
    margin-bottom: 1.5rem;
    color: #ffffff;
  }

  input {
    display: block;
    width: 100%;
    padding: 0.8rem;
    margin: 0.5rem 0;
    background: #1e1e2f;
    border: 1px solid #444;
    border-radius: 0.5rem;
    color: #fff;
    transition: border 0.3s, box-shadow 0.3s;
  }

  input:focus {
    border-color: #80d4ff;
    box-shadow: 0 0 10px rgba(128, 212, 255, 0.3);
    outline: none;
  }

  p {
    color: #f88;
    margin-top: 1rem;
  }

  button.login-btn {
      margin-top: 1rem;
      background: #80d4ff;
      color: #000;
      padding: 0.8rem 1.5rem;
      border: none;
      border-radius: 0.5rem;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s, box-shadow 0.3s;
      width: 100%;
      max-width: 300px;
  }

  button.login-btn:hover {
      background: #66c2f0;
      box-shadow: 0 0 8px rgba(102, 194, 240, 0.8);
  }

  a.register-btn {
      display: inline-block;
      text-align: center;
      background: #df0404;
      color: #000;
      text-decoration: none;
      padding: 0.8rem 1.5rem;
      border-radius: 0.5rem;
      font-weight: bold;
      transition: background 0.3s;
      width: 100%;
      max-width: 300px;
  }

  a.register-btn:hover {
      background: #880707;
  }