* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 모바일 터치 최적화 */
html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 20px;
}

.login-box {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e1e5eb;
  overflow: hidden;
}

.login-header {
  text-align: center;
  padding: 32px 40px 20px;
}

.login-header h1 {
  font-size: 1.5rem;
  color: #333;
  font-weight: 600;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 0.82rem;
  color: #999;
}

/* ============================================
   3탭 로그인 스타일
   ============================================ */
.login-tabs {
  display: flex;
  border-bottom: 2px solid #eee;
  margin: 0 24px;
}

.login-tab {
  flex: 1;
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  border: none;
  background: transparent;
  font-size: 0.88rem;
  font-weight: 500;
  color: #999;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.login-tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: background 0.25s ease;
}

.login-tab:hover {
  color: #666;
}

.login-tab .tab-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.login-tab .tab-label {
  font-size: 0.82rem;
}

/* 파트너 탭 활성 */
.login-tab.active[data-tab="partner"] {
  color: #4A90D9;
}
.login-tab.active[data-tab="partner"]::after {
  background: #4A90D9;
}

/* 금융사 탭 활성 */
.login-tab.active[data-tab="financial"] {
  color: #43A047;
}
.login-tab.active[data-tab="financial"]::after {
  background: #43A047;
}

/* 관리자 탭 활성 */
.login-tab.active[data-tab="admin"] {
  color: #333;
}
.login-tab.active[data-tab="admin"]::after {
  background: #333;
}

/* 탭별 설명 텍스트 */
.tab-description {
  text-align: center;
  padding: 14px 24px 6px;
  font-size: 0.78rem;
  color: #aaa;
  min-height: 36px;
}

/* ============================================
   로그인 폼
   ============================================ */
.login-form-wrap {
  padding: 10px 32px 28px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  color: #555;
  font-weight: 500;
}

.form-group input {
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #333;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* 탭별 포커스 색상 */
.login-box[data-active-tab="partner"] .form-group input:focus {
  border-color: #4A90D9;
  box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}
.login-box[data-active-tab="financial"] .form-group input:focus {
  border-color: #43A047;
  box-shadow: 0 0 0 3px rgba(67, 160, 71, 0.1);
}
.login-box[data-active-tab="admin"] .form-group input:focus {
  border-color: #333;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-group input::placeholder {
  color: #bbb;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  color: #666;
  cursor: pointer;
}

.remember-me input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* 로그인 버튼 - 기본 (관리자) */
.btn-login {
  width: 100%;
  padding: 13px;
  background: #333;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-login:hover {
  background: #222;
}

.btn-login:active {
  transform: scale(0.99);
}

/* 탭별 버튼 색상 */
.login-box[data-active-tab="partner"] .btn-login {
  background: #4A90D9;
}
.login-box[data-active-tab="partner"] .btn-login:hover {
  background: #3A7CC0;
}

.login-box[data-active-tab="financial"] .btn-login {
  background: #43A047;
}
.login-box[data-active-tab="financial"] .btn-login:hover {
  background: #388E3C;
}

.login-box[data-active-tab="admin"] .btn-login {
  background: #333;
}
.login-box[data-active-tab="admin"] .btn-login:hover {
  background: #222;
}

.login-error {
  background: #fff5f5;
  color: #c53030;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.83rem;
  text-align: center;
  border: 1px solid #feb2b2;
}

.login-footer {
  padding: 16px 32px;
  text-align: center;
  border-top: 1px solid #f0f0f0;
}

.login-footer p {
  font-size: 0.73rem;
  color: #bbb;
}

/* ============================================
   모바일 반응형 스타일
   ============================================ */

/* 태블릿 (768px 이하) */
@media (max-width: 768px) {
  .login-container {
    max-width: 400px;
    padding: 15px;
  }
  
  .login-header {
    padding: 28px 30px 16px;
  }
  
  .login-form-wrap {
    padding: 10px 28px 24px;
  }
}

/* 모바일 (480px 이하) */
@media (max-width: 480px) {
  body {
    padding: 10px;
  }
  
  .login-container {
    max-width: 100%;
    padding: 10px;
  }
  
  .login-header {
    padding: 24px 20px 14px;
  }
  
  .login-header h1 {
    font-size: 1.3rem;
  }
  
  .login-subtitle {
    font-size: 0.78rem;
  }
  
  .login-tabs {
    margin: 0 16px;
  }
  
  .login-tab {
    padding: 10px 6px;
  }
  
  .login-tab .tab-icon {
    font-size: 1.1rem;
  }
  
  .login-tab .tab-label {
    font-size: 0.76rem;
  }
  
  .tab-description {
    padding: 10px 16px 4px;
    font-size: 0.73rem;
  }
  
  .login-form-wrap {
    padding: 8px 20px 22px;
  }
  
  .login-form {
    gap: 15px;
  }
  
  .form-group label {
    font-size: 0.83rem;
  }
  
  .form-group input {
    padding: 12px;
    font-size: 16px; /* iOS 줌 방지 */
  }
  
  .form-options {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  
  .remember-me {
    font-size: 0.78rem;
  }
  
  .btn-login {
    padding: 13px;
    font-size: 0.93rem;
  }
  
  .login-error {
    padding: 10px;
    font-size: 0.78rem;
  }
  
  .login-footer {
    padding: 14px 20px;
  }
  
  .login-footer p {
    font-size: 0.68rem;
  }
}

/* 매우 작은 화면 (360px 이하) */
@media (max-width: 360px) {
  .login-header {
    padding: 20px 16px 12px;
  }
  
  .login-header h1 {
    font-size: 1.2rem;
  }
  
  .login-tabs {
    margin: 0 12px;
  }
  
  .login-form-wrap {
    padding: 8px 16px 20px;
  }
  
  .form-group input {
    padding: 10px;
  }
  
  .btn-login {
    padding: 12px;
  }
}

/* ============================================
   조직 배지 (slug 모드)
   ============================================ */
.org-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 24px;
  margin: 0 24px;
  background: #f0f7ff;
  border-radius: 8px;
  border: 1px solid #d0e3f7;
}

.login-box[data-active-tab="financial"] .org-badge {
  background: #f0faf0;
  border-color: #c8e6c9;
}

.org-badge-icon {
  font-size: 1.1rem;
}

.org-badge-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: #4A90D9;
}

.login-box[data-active-tab="financial"] .org-badge-name {
  color: #43A047;
}

/* ============================================
   업체 등록 신청 링크
   ============================================ */
.register-link-area {
  text-align: center;
  padding: 0 32px 8px;
}

.register-link {
  font-size: 0.82rem;
  color: #888;
  text-decoration: none;
  transition: color 0.2s;
}

.register-link:hover {
  color: #4A90D9;
  text-decoration: underline;
}

/* ============================================
   회원가입 신청 모달
   ============================================ */
.register-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.register-modal {
  background: white;
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.register-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid #eee;
}

.register-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.register-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #999;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.register-close:hover {
  color: #333;
}

.register-form {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.register-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.register-form .form-group label {
  font-size: 0.85rem;
  color: #555;
  font-weight: 500;
}

.register-form .form-group input {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.register-form .form-group input:focus {
  outline: none;
  border-color: #4A90D9;
  box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.1);
}

.required {
  color: #e53e3e;
}

.radio-group {
  display: flex;
  gap: 20px;
  padding: 4px 0;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #444;
}

.radio-label input[type="radio"] {
  cursor: pointer;
}

/* slug 입력 영역 */
.slug-input-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid #ddd;
  border-radius: 6px;
  overflow: hidden;
}

.slug-prefix {
  padding: 10px 8px 10px 12px;
  background: #f7f8fa;
  color: #888;
  font-size: 0.82rem;
  white-space: nowrap;
  border-right: 1px solid #eee;
}

.slug-input-wrap input {
  border: none !important;
  border-radius: 0 !important;
  flex: 1;
  min-width: 0;
}

.slug-input-wrap input:focus {
  box-shadow: none !important;
}

/* 필드 체크 메시지 */
.field-check {
  font-size: 0.78rem;
  color: #999;
  min-height: 18px;
  padding-left: 2px;
}

.field-check.ok {
  color: #38a169;
}

.field-check.error {
  color: #c53030;
}

/* 등록 버튼 영역 */
.register-actions {
  display: flex;
  gap: 10px;
  padding-top: 6px;
}

.btn-register {
  flex: 1;
  padding: 11px;
  background: #4A90D9;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-register:hover {
  background: #3A7CC0;
}

.btn-register:disabled {
  background: #aaa;
  cursor: not-allowed;
}

.btn-register-cancel {
  flex: 0.6;
  padding: 11px;
  background: #f5f5f5;
  color: #666;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-register-cancel:hover {
  background: #eee;
}

/* 결과 메시지 */
.register-result {
  padding: 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-top: 6px;
}

.register-result.success {
  background: #f0fff4;
  color: #276749;
  border: 1px solid #c6f6d5;
}

.register-result.error {
  background: #fff5f5;
  color: #c53030;
  border: 1px solid #feb2b2;
}

/* 모바일 대응 - 회원가입 모달 */
@media (max-width: 480px) {
  .register-modal {
    max-height: 95vh;
  }
  
  .register-form {
    padding: 16px 18px 20px;
    gap: 12px;
  }
  
  .register-form .form-group input {
    font-size: 16px; /* iOS 줌 방지 */
  }
  
  .slug-prefix {
    font-size: 0.75rem;
    padding: 10px 4px 10px 8px;
  }
  
  .register-actions {
    flex-direction: column;
  }
  
  .btn-register-cancel {
    flex: 1;
  }
}

/* 에이전시 탭 색상 */
.login-box[data-active-tab="agency"] .login-tabs .login-tab.active {
  border-bottom-color: #F57C00;
  color: #F57C00;
}

/* 관리자 로그인 링크 */
.admin-login-link-area {
  text-align: center;
  padding: 0 32px 16px;
}

.admin-login-link {
  font-size: 0.75rem;
  color: #bbb;
  text-decoration: none;
  transition: color 0.2s;
}

.admin-login-link:hover {
  color: #e94560;
}