body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f9fafd;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }
    .toast-body {
      color: white;
    }
    .login-container {
      background-color: #fff;
      padding: 40px 50px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      width: 450px;
      text-align: center;
    }
    .login-container h2 {
      color: #6366f1; /* similar to the blue-purple Metis logo color */
      margin-bottom: 20px;
      font-weight: 600;
    }
    .input-group {
      margin-bottom: 20px;
      text-align: left;
    }
    label {
      display: block;
      margin-bottom: 6px;
      font-weight: 600;
      color: #374151;
    }
    input[type="text"],
    input[type="password"] {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid #e5e7eb;
      font-size: 16px;
      outline-color: #6366f1;
      transition: border-color 0.3s;
    }
    input[type="text"]:focus,
    input[type="password"]:focus {
      border-color: #6366f1;
    }
    button {
      background-color: #6366f1;
      border: none;
      color: white;
      font-weight: 600;
      padding: 14px;
      width: 100%;
      border-radius: 8px;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s;
    }
    button:hover {
      background-color: #4f46e5;
    }
    .forgot-password {
      margin-top: 10px;
      font-size: 14px;
      color: #6366f1;
      cursor: pointer;
      text-decoration: underline;
    }
    .toast {
      margin-bottom: .75rem; /* ~12px */
    }