* {
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }

    body {
      margin: 0;
      background: linear-gradient(to right, #101820, #1f2f3f);
      color: #fff;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }

    .container {
      display: flex;
      width: 900px;
      height: 500px;
      background-color: #fff;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    .left-panel {
      flex: 1;
      background: url('https://images.unsplash.com/photo-1503264116251-35a269479413?auto=format&fit=crop&w=800&q=80') center/cover;
      color: white;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 40px;
      text-align: center;
    }

    .left-panel .logo {
      font-size: 3em;
      font-weight: bold;
      margin-bottom: 10px;
    }

    .left-panel .message {
      font-size: 1.2em;
      opacity: 0.9;
    }

    .right-panel {
      flex: 1;
      background-color: #f9f9f9;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .right-panel form {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    input[type="text"],
    input[type="password"] {
      padding: 12px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 1em;
    }

    button[type="submit"],
    button[type="button"] {
      padding: 12px;
      background-color: #101820;
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 1em;
      cursor: pointer;
      transition: background 0.3s;
    }

    button[type="submit"]:hover,
    button[type="button"]:hover {
      background-color: #3e8ed0;
    }

    .forgot-button {
      background: none;
      border: none;
      color: #007bff;
      padding: 0;
      cursor: pointer;
      font-size: 0.9em;
      align-self: flex-start;
      margin-top: -10px;
    }

    .forgot-button:hover {
      text-decoration: underline;
    }

    hr {
      margin: 20px 0;
    }

    .error {
      color: red;
      font-weight: bold;
      font-size: 0.95em;
    }

    @media (max-width: 768px) {
      .container {
        flex-direction: column;
        height: auto;
        width: 90%;
      }

      .left-panel, .right-panel {
        flex: none;
        width: 100%;
        height: auto;
      }

      .left-panel {
        padding: 20px;
      }

      .right-panel {
        padding: 30px 20px;
      }
    }
    
    .contador-usuarios {
  margin-top: 10px;
  font-size: 15px;
  color: #ffffffcc; /* branco levemente transparente */
  text-align: center;
}
.contador-usuarios strong {
  color: #00ffcc;
  font-weight: bold;
}