body.dark-mode {
  background-color: #121212;
  color: #e0e0e0;
}

body.dark-mode .navbar {
  background-color: #1f1f1f !important;
}

body.dark-mode a,
body.dark-mode .nav-link,
body.dark-mode .navbar-brand,
body.dark-mode .form-check-label {
  color: #ffffff !important;
}

body.dark-mode .border-top {
  border-color: #444 !important;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h5,
body.dark-mode h6 {
  color: #ffffff;
}

body.dark-mode .navbar-toggler-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='white' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}



/* Centralização */
.btn-center {
  text-align: center;
  margin: 30px 0;
}

/* Botão estilizado */
.btn-amz {
  display: inline-block;
  background-color: #F8FAFC;
  color: #0f172a;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  border: 1px solid transparent;
  font-size: 1rem;
}
.btn-amz:hover {
  background-color: #D9EAFD;
  color: #000;
  transform: translateY(-2px);
}
.btn-amz:active {
  transform: translateY(0);
}

/* 🌙 Dark mode */
body.dark-mode .btn-amz {
  background-color: #1f2937;
  color: #e0e0e0;
  border-color: #444;
}
body.dark-mode .btn-amz:hover {
  background-color: #374151;
  color: #fff;
}