/* --- Estilos para o corpo da página de login --- */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Roboto', Arial, sans-serif;
  line-height: 1.6;
  background-color: #f2f2f2;
}

body {
  /* Centraliza todo o conteúdo do body */
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --- Estilos do contêiner de login --- */
.login-container {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 90%; /* Responsivo para telas menores */
  text-align: center;
}

.login-container .logo {
  margin-bottom: 25px;
}

.login-container .logo img {
  max-width: 200px;
}

.login-container .form-group {
  margin-bottom: 20px;
  text-align: left;
}

.login-container .form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #555;
}

.login-container .form-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 25px; /* Borda arredondada */
  box-sizing: border-box; /* Garante que padding não altere a largura total */
}

/* Estilo para o botão de login */
.btn-login {
  background-color: #1a73e8; /* Cor azul similar ao botão de envio */
  color: #fff;
  border: none;
  border-radius: 25px; /* Borda arredondada */
  padding: 12px 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 16px;
  width: 100%;
  transition: background-color 0.3s ease;
}

.btn-login:hover {
  background-color: #1558b0;
}

.footer-login {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 14px;
    color: #555;
    padding: 0 20px;
    box-sizing: border-box; /* Garante que o padding não adicione largura extra */
}

/* Para mostrar ou esconder o campo de duplo fator */
.hidden {
  display: none;
}

/* --- Adicionado: Estilos para o Loading Spinner --- */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.loading-spinner {
  border: 6px solid rgba(255, 255, 255, 0.3);
  border-top: 6px solid #ffffff;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}