body {
      background: url('../imagem/capa.png') no-repeat center center fixed;
      background-size: cover;
      font-family: 'Segoe UI', sans-serif;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      margin: 0;
    }

    .overlay {
      background-color: rgba(0, 0, 0, 0.6);
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 100%;
      z-index: 0;
    }

    .login-card {
      position: relative;
      z-index: 1;
      background-color: #ffffffee;
      padding: 40px 30px;
      border-radius: 12px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      width: 100%;
      max-width: 400px;
      text-align: center;
    }

    .login-card img.logo {
      height: 60px;
      margin-bottom: 20px;
    }

    .login-card h4 {
      color: #0d47a1;
      margin-bottom: 25px;
    }

    .form-control {
      border-radius: 8px;
    }

    .btn-login {
      background-color: #0d47a1;
      color: white;
      font-weight: 600;
      border-radius: 8px;
    }

    .btn-login:hover {
      background-color: #08306b;
    }

    .text-muted {
      text-align: center;
      margin-top: 20px;
      font-size: 0.9rem;
    }

    .text-muted a {
      color: #0d47a1;
      text-decoration: none;
      font-weight: 600;
    }

    .text-muted a:hover {
      text-decoration: underline;
    }
    @media (max-width: 576px) {
  .login-card {
    margin: 0 15px;
    padding: 30px 20px;
  }
}