body {
  direction: rtl;
  font-family: "Vazir", sans-serif;
  background-color: #f4f6f9;
}

.navbar {
  background: linear-gradient(to left, #007bff, #0056b3);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  color: #fff;
}
.navbar-brand {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
}

.form-container {
  max-width: 420px;
  margin: 60px auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.form-container h3 {
  margin-bottom: 25px;
  color: #333;
}

.btn-primary {
  background-color: #007bff;
  border: none;
  font-weight: bold;
}

.btn-primary:hover {
  background-color: #0056b3;
}

.alert {
  font-size: 14px;
}

.register-btn a {
  font-size: 14px;
  display: inline-block;
  margin-top: 10px;
}

footer {
  text-align: center;
  color: #888;
  font-size: 13px;
  margin-top: 30px;
}