body {
  font-family: 'Noto Sans KR', 'Cairo', sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: #212529;
}

.auth-background {
  background-color: #F8F9FA;
  background-image: linear-gradient(135deg, rgba(10, 35, 66, 0.03) 0%, rgba(31, 78, 121, 0.03) 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.auth-card {
  border: none;
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  animation: fadeIn 0.8s ease-out;
  box-shadow: 0 10px 25px rgba(10, 35, 66, 0.1);
  border-left: 4px solid #0A2342;
}

.auth-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(10, 35, 66, 0.15) !important;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(10, 35, 66, 0.4);
  }
  70% {
    box-shadow: 0 0 0 5px rgba(10, 35, 66, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(10, 35, 66, 0);
  }
}

.login-container {
  width: 300px;
  margin: 50px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
  text-align: center;
  margin-bottom: 20px;
}

.login-container label {
  display: block;
  margin: 10px 0 5px;
}

.login-container input[type="email"],
.login-container input[type="password"] {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}

.login-container button {
  width: 100%;
  padding: 10px;
  margin-top: 15px;
  background: #3498db;
  border: none;
  color: #fff;
  cursor: pointer;
}

.login-container button:hover {
  background: #2980b9;
}

.flashes {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
}

.flashes li {
  padding: 8px;
  margin-bottom: 5px;
  border-radius: 3px;
}

.flashes li.success {
  background: #d4edda;
  color: #155724;
}

.flashes li.error {
  background: #f8d7da;
  color: #721c24;
}

/* .card-header 스타일은 위에서 .auth-card .card-header 로 통합 및 수정되었으므로 이 블록은 제거되거나 필요시 다른 용도로 사용될 수 있습니다. */
/* 다만, 원본 유지를 위해 주석 처리합니다. 만약 이 스타일이 다른 곳에 영향을 주지 않는다면 삭제해도 무방합니다. */
/* 
.card-header {
  border-bottom: none;
}
*/

.form-floating label {
  color: #6c757d;
}

.form-control:focus {
  border-color: #0A2342;
  box-shadow: 0 0 0 0.25rem rgba(10, 35, 66, 0.25);
  transition: all 0.3s ease;
}

/* 카드 내 링크 색상 */
.auth-card a {
  color: #1F4E79;
  transition: all 0.3s ease;
  text-decoration: none;
}

.auth-card a:hover {
  color: #B08D57;
  text-decoration: none;
}

.btn {
  transition: all 0.3s ease;
  border-radius: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(10, 35, 66, 0.1);
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.btn:hover:before {
  left: 100%;
}

.auth-card .card-header {
  background-color: #0A2342;
  color: #FFFFFF;
  border-bottom: none;
  padding: 1.5rem 1rem;
  position: relative;
  overflow: hidden;
}

.auth-card .card-header:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #0A2342, #B08D57, #0A2342);
}

/* 비밀번호 재설정 요청 및 설정 폼 헤더도 동일하게 적용 */
.auth-card .card-header.bg-warning,
.auth-card .card-header.bg-success,
.auth-card .card-header.bg-primary {
  background-color: #0A2342 !important;
  color: #FFFFFF !important;
}

.auth-card .card-header.bg-warning h3,
.auth-card .card-header.bg-success h3,
.auth-card .card-header h2 {
  color: #FFFFFF !important;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: #0A2342;
  border-color: #0A2342;
  box-shadow: 0 4px 6px rgba(10, 35, 66, 0.1);
}

.btn-primary:hover {
  background-color: #1F4E79;
  border-color: #1F4E79;
  box-shadow: 0 6px 10px rgba(10, 35, 66, 0.15);
}

/* Google 로그인 버튼 스타일 변경 */
.auth-card .btn-danger {
  background-color: #B08D57;
  border-color: #B08D57;
  color: #FFFFFF;
  box-shadow: 0 4px 6px rgba(176, 141, 87, 0.1);
}

.auth-card .btn-danger:hover {
  background-color: #D4AC6E;
  border-color: #D4AC6E;
  box-shadow: 0 6px 10px rgba(176, 141, 87, 0.15);
}

/* 비밀번호 재설정 요청 전송 버튼 (기존 .btn-warning 사용) */
.btn-warning {
    background-color: #0A2342;
    border-color: #0A2342;
    color: #FFFFFF;
    box-shadow: 0 4px 6px rgba(10, 35, 66, 0.1);
}

.btn-warning:hover {
    background-color: #1F4E79;
    border-color: #1F4E79;
    color: #FFFFFF;
    box-shadow: 0 6px 10px rgba(10, 35, 66, 0.15);
}

/* 추가 인터랙티브 요소 */
.form-floating {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-floating input:focus + label,
.form-floating input:not(:placeholder-shown) + label {
  color: #0A2342;
  font-weight: 500;
}

.form-floating input {
  border: 1px solid #ced4da;
  border-radius: 8px;
  padding: 1rem 0.75rem;
  transition: all 0.3s ease;
}

.form-floating input:focus {
  border-color: #0A2342;
  box-shadow: 0 0 0 0.25rem rgba(10, 35, 66, 0.1);
}

/* 애니메이션 효과가 있는 체크박스 */
.form-check-input {
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-check-input:checked {
  background-color: #0A2342;
  border-color: #0A2342;
  animation: pulse 0.5s;
}

/* 금융 느낌을 주는 카드 디자인 */
.auth-card {
  position: relative;
}

.auth-card .card-body {
  padding: 2rem;
}

/* 로그인 폼 아이콘 스타일링 */
.form-floating i {
  color: #1F4E79;
}

/* 버튼 내 아이콘 스타일링 */
.btn i {
  margin-right: 0.5rem;
  transition: transform 0.3s ease;
}

.btn:hover i {
  transform: translateX(3px);
}

/* 금융 느낌을 주는 그래픽 요소 */
.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, rgba(10, 35, 66, 0.05), rgba(176, 141, 87, 0.05));
  border-radius: 0 0 0 100%;
  z-index: 0;
}

/* 모바일 반응형 스타일 */
@media (max-width: 768px) {
  .auth-card {
    margin: 0 15px;
  }
  
  .auth-card::before {
    width: 100px;
    height: 100px;
  }
}

/* 새 비밀번호 설정 저장 버튼 (기존 .btn-success 사용) */
.btn-success {
    background-color: #0A2342;
    border-color: #0A2342;
    color: #FFFFFF;
    box-shadow: 0 4px 6px rgba(10, 35, 66, 0.1);
}

.btn-success:hover {
    background-color: #1F4E79;
    border-color: #1F4E79;
    color: #FFFFFF;
    box-shadow: 0 6px 10px rgba(10, 35, 66, 0.15);
}

.alert {
  border-radius: 8px;
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flashes li.error {
  background: #f8d7da;
  color: #721c24;
}