body {
  background: #e9ecef;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.signup-container {
  max-width: 400px;
  width: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgb(0 0 0 / 0.15);
  padding: 2rem;
}

.avatar {
  font-size: 5rem;
  color: #198754;
  text-align: center;
  margin-bottom: 1.5rem;
  margin-top: -2.5rem; /* dinaikkan */
}

.position-relative .toggle-password {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  color: #6c757d;
  cursor: pointer;
  user-select: none;
}

.position-relative input.form-control {
  padding-right: 40px;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 576px) {
  .signup-container {
    padding: 1.5rem 1rem;
  }
}