/* 헤더 영역 */
#subtitle {
  margin-top: 1.5rem;
  font-weight: bold;
  color: #2c3e50;
}

/* 컨테이너 */
.login-container {
  width: 450px;
  margin: auto;
  padding: 0 1rem;
}

/* 프로필 박스 */
.login-box {
  padding: 2rem;
  margin-top: 2rem;
  border-radius: 15px !important;
  border: none !important;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
  background: white;
}

/* 입력 폼 스타일 */
.form-label {
  color: #2c3e50;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-control {
  border-radius: 8px;
  border: 1.5px solid rgba(74, 144, 226, 0.2);
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: #4a90e2;
  box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.1);
}

/* readonly 입력 필드 */
.form-control[readonly] {
  background-color: #f8f9fa;
  cursor: not-allowed;
}

/* 성별 선택 버튼 */
.btn-group .btn-outline {
  color: #4a90e2;
  border-color: rgba(74, 144, 226, 0.3);
  padding: 0.5rem 1.5rem;
  transition: all 0.2s ease;
}

.btn-group .btn-outline:hover {
  background-color: rgba(74, 144, 226, 0.05);
  border-color: #4a90e2;
  color: #4a90e2;
}

.btn-check:checked + .btn-outline {
  background-color: #4a90e2 !important;
  border-color: #4a90e2 !important;
  color: white !important;
}

.btn-check:checked + .btn-outline:hover {
  background-color: #357abd !important;
}

/* 나이 입력 필드 */
#age.form-control {
  padding: 0.5rem;
  height: auto;
}

/* 완료 버튼 */
#nextBtn {
  background-color: #4a90e2 !important;
  color: white;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

#nextBtn:hover {
  background-color: #357abd !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.2);
}

/* 스피너 제거 */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 반응형 */
@media (max-width: 480px) {
  .login-container {
    width: 100%;
  }

  .login-box {
    padding: 1.5rem;
  }

  .btn-group .btn-outline {
    padding: 0.5rem 1rem;
  }
}