html, body {
  height: 100%;
  margin: 0;
  background-color: #f0f2f5;
  font-family: sans-serif;
}

.d-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.login-box {
  width: 100%;
  max-width: 420px;
  background-color: #ffffff;
  padding: 40px 30px;
  border-radius: 16px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.form-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 25px;
  text-align: center;
}

.form-control {
  border-radius: 10px;
  padding: 10px 12px;
}

.btn-primary {
  border-radius: 10px;
  padding: 10px;
  font-weight: 600;
}