body, html {
      height: 100%;
      font-family: 'Segoe UI', sans-serif;
    }

    .container {
      display: flex;
      height: 100vh;
    }

    .left {
      flex: 1;
      background-color: #6600cc;
      color: white;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 40px;
    }

    .left h1 {
      font-size: 36px;
      margin-bottom: 10px;
    }

    .left p {
      font-size: 16px;
      max-width: 350px;
      text-align: center;
      margin-bottom: 30px;
    }

    .testimonial {
      background: rgba(255, 255, 255, 0.1);
      padding: 20px;
      border-radius: 10px;
      font-style: italic;
      font-size: 14px;
      max-width: 350px;
    }

    .testimonial strong {
      display: block;
      margin-top: 10px;
    }

    .right {
      flex: 1;
      background-color: #f5f8fd;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 40px;
    }

    .branding {
      text-align: center;
      margin-bottom: 20px;
    }

    .branding h2 {
      font-size: 24px;
      color: #333;
      margin: 10px 0 5px;
    }

    .branding p {
      color: #666;
      font-size: 14px;
    }

    .login-box {
      background-color: white;
      padding: 70px;
      border-radius: 12px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
      width: 100%;
      max-width: 440px;
    }

    .login-box input[type="email"],
    .login-box input[type="password"] {
      width: 100%;
      padding: 12px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 7px;
      font-size: 14px;
    }

    .login-box button {
      width: 100%;
      padding: 12px;
      background-color: #6600cc;
      color: white;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      cursor: pointer;
    }

    .login-box button:hover {
      background-color: #5200a8;
    }

    .footer {
      text-align: center;
      margin-top: 20px;
      font-size: 12px;
      color: #aaa;
    }

    .error-message {
      background-color: #ffe0e0;
      color: #cc0000;
      padding: 10px;
      border-radius: 5px;
      margin-bottom: 15px;
      font-size: 14px;
      text-align: center;
    }