  body {
      font-family: 'Segoe UI', Arial, sans-serif;
      background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      margin: 0;
      color: #f5f5f5;
  }

  #gui {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
  }

  form {
      background: #252547;
      padding: 30px 40px;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(100, 0, 200, 0.4);
      text-align: left;
      width: 320px;
  }

  label {
      display: block;
      margin-top: 15px;
      margin-bottom: 5px;
      font-weight: bold;
      color: #e5e5e5;
  }

  input[type="text"],
  input[type="password"] {
      width: 100%;
      padding: 10px;
      border-radius: 8px;
      border: 1px solid #9d4edd;
      outline: none;
      font-size: 14px;
      background-color: #1e1e2f;
      color: #fff;
      transition: border-color 0.3s, box-shadow 0.3s;
  }

  input[type="text"]:focus,
  input[type="password"]:focus {
      border-color: #c77dff;
      box-shadow: 0 0 8px rgba(199, 125, 255, 0.8);
  }

  input[type="submit"] {
      width: auto;
      display: block;
      padding:  15px  24px;
      background: linear-gradient(135deg, #9d4edd, #6a00f4);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      margin-top: 20px;
      cursor: pointer;
      font-weight: 600;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
      transition: background 0.3s, transform 0.2s;
      margin: 20px auto 0 auto;
  }
#atiranyit{

    margin-top:100px;
}

  input[type="submit"]:hover {
      background: linear-gradient(135deg, #c77dff, #9d4edd);
      transform: scale(1.05);
  }

  button {
      margin-top: 20px;
      padding: 10px 20px;
      background: linear-gradient(135deg, #6c63ff, #5a00d9);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 14px;
      cursor: pointer;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
      transition: background 0.3s, transform 0.2s;
  }

  button:hover {
      background: linear-gradient(135deg, #8d6cff, #7a1cf5);
      transform: scale(1.05);
  }

  p#error-msg {
      color: #ff6b6b;
      margin-top: 15px;
      font-size: 14px;
      text-align: center;
  }