/**
 * CreatorHelper Custom Theme
 * 토스 스타일 + 유튜브 레드 기반 디자인 시스템
 */

/* ============================================
   1. CSS 변수 정의 (Color System)
   ============================================ */
:root {
  /* Primary - 블루 */
  --tblr-primary: #3182F6;
  --tblr-primary-rgb: 49, 130, 246;
  --tblr-primary-hover: #1B64DA;
  --tblr-primary-light: #EBF4FF;

  /* Gray Scale - 토스 스타일 */
  --gray-50: #F9FAFB;
  --gray-100: #F2F4F6;
  --gray-200: #E5E8EB;
  --gray-300: #D1D6DB;
  --gray-400: #B0B8C1;
  --gray-500: #8B95A1;
  --gray-600: #6B7684;
  --gray-700: #4E5968;
  --gray-800: #333D4B;
  --gray-900: #191F28;

  /* Semantic Colors */
  --tblr-success: #00C853;
  --tblr-success-rgb: 0, 200, 83;
  --tblr-warning: #FF9100;
  --tblr-warning-rgb: 255, 145, 0;
  --tblr-danger: #F44336;
  --tblr-danger-rgb: 244, 67, 54;
  --tblr-info: #3182F6;
  --tblr-info-rgb: 49, 130, 246;

  /* Background */
  --tblr-body-bg: var(--gray-50);
  --tblr-card-bg: #FFFFFF;

  /* Border Radius - 토스 스타일 (더 둥글게) */
  --tblr-border-radius: 12px;
  --tblr-border-radius-sm: 8px;
  --tblr-border-radius-lg: 16px;
  --tblr-border-radius-xl: 20px;

  /* Shadows - 토스 스타일 (부드럽게) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Typography */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

/* ============================================
   2. 기본 요소 스타일링
   ============================================ */

/* Body */
body {
  background-color: var(--gray-50);
  color: var(--gray-800);
  font-weight: var(--font-weight-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   3. 카드 스타일 (토스 스타일)
   ============================================ */
.card {
  border: none;
  border-radius: var(--tblr-border-radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--gray-100);
  padding: var(--spacing-lg);
  font-weight: var(--font-weight-semibold);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  background: transparent;
  border-top: 1px solid var(--gray-100);
  padding: var(--spacing-lg);
}

/* ============================================
   4. 버튼 스타일
   ============================================ */
.btn {
  border-radius: var(--tblr-border-radius-sm);
  font-weight: var(--font-weight-medium);
  padding: 10px 18px;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--tblr-primary);
  border-color: var(--tblr-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--tblr-primary-hover);
  border-color: var(--tblr-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--tblr-primary-rgb), 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline-primary {
  color: var(--tblr-primary);
  border-color: var(--tblr-primary);
}

.btn-outline-primary:hover {
  background-color: var(--tblr-primary);
  border-color: var(--tblr-primary);
  color: #fff;
}

/* Secondary 버튼 - 토스 스타일 (그레이) */
.btn-secondary {
  background-color: var(--gray-100);
  border-color: var(--gray-100);
  color: var(--gray-700);
}

.btn-secondary:hover {
  background-color: var(--gray-200);
  border-color: var(--gray-200);
  color: var(--gray-800);
}

/* Ghost 버튼 */
.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover {
  background-color: var(--gray-100);
  color: var(--gray-800);
}

/* 버튼 크기 */
.btn-sm {
  padding: 6px 12px;
  font-size: 0.875rem;
  border-radius: var(--tblr-border-radius-sm);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1rem;
  border-radius: var(--tblr-border-radius);
}

/* ============================================
   5. 폼 요소
   ============================================ */
.form-control {
  border: 1px solid var(--gray-200);
  border-radius: var(--tblr-border-radius-sm);
  padding: 10px 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  border-color: var(--tblr-primary);
  box-shadow: 0 0 0 3px var(--tblr-primary-light);
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-label {
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-select {
  border: 1px solid var(--gray-200);
  border-radius: var(--tblr-border-radius-sm);
  padding: 10px 14px;
}

.form-select:focus {
  border-color: var(--tblr-primary);
  box-shadow: 0 0 0 3px var(--tblr-primary-light);
}

/* ============================================
   6. 네비게이션
   ============================================ */
.navbar {
  background-color: #fff;
  box-shadow: var(--shadow-sm);
}

.navbar .nav-link {
  color: var(--gray-700);
  font-weight: var(--font-weight-medium);
  padding: 8px 14px;
  border-radius: var(--tblr-border-radius-sm);
  transition: all 0.15s ease;
}

.navbar .nav-link:hover {
  color: var(--tblr-primary);
  background-color: var(--tblr-primary-light);
}

.navbar .nav-link.active {
  color: var(--tblr-primary);
}

/* 드롭다운 메뉴 */
.dropdown-menu {
  border: none;
  border-radius: var(--tblr-border-radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}

.dropdown-item {
  border-radius: var(--tblr-border-radius-sm);
  padding: 10px 14px;
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
  transition: all 0.15s ease;
}

.dropdown-item:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.dropdown-item:active,
.dropdown-item.active {
  background-color: var(--tblr-primary-light);
  color: var(--tblr-primary);
}

/* ============================================
   7. 배지 (Badge)
   ============================================ */
.badge {
  font-weight: var(--font-weight-medium);
  padding: 4px 10px;
  border-radius: 100px;
}

.badge.bg-primary {
  background-color: var(--tblr-primary) !important;
}

.badge.bg-secondary {
  background-color: var(--gray-500) !important;
  color: white !important;
}

/* 상태 뱃지 */
.badge-soft-primary {
  background-color: var(--tblr-primary-light);
  color: var(--tblr-primary);
}

.badge-soft-success {
  background-color: rgba(0, 200, 83, 0.15);
  color: var(--tblr-success);
}

.badge-soft-warning {
  background-color: rgba(255, 145, 0, 0.15);
  color: var(--tblr-warning);
}

.badge-soft-danger {
  background-color: rgba(244, 67, 54, 0.15);
  color: var(--tblr-danger);
}

.badge-soft-info {
  background-color: rgba(49, 130, 246, 0.15);
  color: var(--tblr-info);
}

/* ============================================
   8. 리스트 그룹
   ============================================ */
.list-group {
  border-radius: var(--tblr-border-radius);
}

.list-group-item {
  border-color: var(--gray-100);
  padding: var(--spacing-md);
  transition: background-color 0.15s ease;
}

.list-group-item:first-child {
  border-top-left-radius: var(--tblr-border-radius);
  border-top-right-radius: var(--tblr-border-radius);
}

.list-group-item:last-child {
  border-bottom-left-radius: var(--tblr-border-radius);
  border-bottom-right-radius: var(--tblr-border-radius);
}

.list-group-item:hover {
  background-color: var(--gray-50);
}

.list-group-item.active {
  background-color: var(--tblr-primary);
  border-color: var(--tblr-primary);
}

/* ============================================
   9. 아바타
   ============================================ */
.avatar {
  border-radius: 50%;
  overflow: hidden;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-md {
  width: 40px;
  height: 40px;
}

.avatar-lg {
  width: 56px;
  height: 56px;
}

.avatar-xl {
  width: 80px;
  height: 80px;
}

/* ============================================
   10. 페이지 레이아웃
   ============================================ */
.page-header {
  padding: var(--spacing-lg) 0;
}

.page-title {
  font-weight: var(--font-weight-bold);
  color: var(--gray-900);
  margin: 0;
}

.page-pretitle {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.page-body {
  padding: var(--spacing-lg) 0;
}

/* ============================================
   11. 테이블
   ============================================ */
.table {
  border-radius: var(--tblr-border-radius);
  overflow: hidden;
}

.table thead th {
  background-color: var(--gray-50);
  color: var(--gray-600);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
}

.table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
}

.table tbody tr:hover {
  background-color: var(--gray-50);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   12. Alert
   ============================================ */
.alert {
  border: none;
  border-radius: var(--tblr-border-radius);
  padding: var(--spacing-md);
}

.alert-primary {
  background-color: var(--tblr-primary-light);
  color: var(--tblr-primary-hover);
}

.alert-success {
  background-color: rgba(0, 200, 83, 0.15);
  color: #00873a;
}

.alert-warning {
  background-color: rgba(255, 145, 0, 0.15);
  color: #b36500;
}

.alert-danger {
  background-color: rgba(244, 67, 54, 0.15);
  color: #c62828;
}

.alert-info {
  background-color: rgba(49, 130, 246, 0.15);
  color: #1565c0;
}

/* ============================================
   13. 유틸리티 클래스
   ============================================ */

/* 텍스트 색상 */
.text-primary {
  color: var(--tblr-primary) !important;
}

.text-muted {
  color: var(--gray-500) !important;
}

.text-secondary {
  color: var(--gray-600) !important;
}

/* 배경 색상 */
.bg-primary {
  background-color: var(--tblr-primary) !important;
}

.bg-primary-light {
  background-color: var(--tblr-primary-light) !important;
}

.bg-gray-50 {
  background-color: var(--gray-50) !important;
}

.bg-gray-100 {
  background-color: var(--gray-100) !important;
}

/* 그림자 */
.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
  box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

/* Border */
.border-light {
  border-color: var(--gray-200) !important;
}

/* Rounded */
.rounded-lg {
  border-radius: var(--tblr-border-radius-lg) !important;
}

.rounded-xl {
  border-radius: var(--tblr-border-radius-xl) !important;
}

/* ============================================
   14. Transition
   ============================================ */
.transition {
  transition: all 0.2s ease;
}

.transition-fast {
  transition: all 0.15s ease;
}

.transition-slow {
  transition: all 0.3s ease;
}

/* ============================================
   15. Footer
   ============================================ */
.footer {
  background-color: #fff;
  border-top: 1px solid var(--gray-100);
  padding: var(--spacing-lg) 0;
}

.footer .link-secondary {
  color: var(--gray-500);
}

.footer .link-secondary:hover {
  color: var(--tblr-primary);
}

/* ============================================
   16. 메인 배너 스타일 (유튜브 레드 테마)
   ============================================ */

/* 공통 배너 스타일 */
.main-banner {
  border-radius: var(--tblr-border-radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.main-banner:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.main-banner-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.main-banner-content {
  flex: 1;
}

.main-banner-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
}

.main-banner-desc {
  font-size: 0.875rem;
  opacity: 0.9;
}

.main-banner-arrow {
  font-size: 1.5rem;
  opacity: 0.7;
}

/* Primary 배너 - 유튜브 레드 그라데이션 */
.main-banner-primary {
  background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
  color: #fff;
}

.main-banner-primary .main-banner-icon {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Secondary 배너 - 다크 그레이 */
.main-banner-secondary {
  background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
  color: #fff;
}

.main-banner-secondary .main-banner-icon {
  background-color: rgba(255, 255, 255, 0.15);
}

/* ============================================
   17. 액션 링크 스타일
   ============================================ */

/* 더보기 링크 */
.link-more,
.card-header a,
a.text-muted {
  color: var(--tblr-primary) !important;
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

.link-more:hover,
.card-header a:hover,
a.text-muted:hover {
  color: var(--tblr-primary-hover) !important;
  text-decoration: none;
}

/* 텍스트 링크 */
.text-link {
  color: var(--tblr-primary);
  text-decoration: none;
}

.text-link:hover {
  color: var(--tblr-primary-hover);
  text-decoration: underline;
}

/* ============================================
   18. 카드 헤더 강화
   ============================================ */

/* 카드 타이틀 with 아이콘 */
.card-title-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--gray-900);
}

.card-title-icon .icon {
  font-size: 1.25rem;
}

/* 카드 헤더 액션 영역 */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header-title {
  font-weight: var(--font-weight-bold);
  color: var(--gray-900);
  font-size: 1rem;
}

.card-header-action {
  color: var(--tblr-primary);
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  text-decoration: none;
}

.card-header-action:hover {
  color: var(--tblr-primary-hover);
  text-decoration: underline;
}

/* 카드 타이틀 강화 */
.card-title {
  font-weight: var(--font-weight-bold) !important;
  color: var(--gray-900);
}

/* ============================================
   19. Empty State 스타일
   ============================================ */

.empty-state {
  text-align: center;
  padding: 48px 24px;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--gray-300);
}

.empty-state-icon svg {
  width: 100%;
  height: 100%;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-700);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.empty-state-action {
  margin-top: 16px;
}

/* 기존 empty 텍스트 스타일 */
.text-secondary,
.text-muted {
  color: var(--gray-500) !important;
}

/* ============================================
   20. 네비게이션 구분 강화
   ============================================ */

/* 상단 네비게이션 바 */
.navbar {
  background-color: #fff !important;
  border-bottom: 1px solid var(--gray-100);
}

/* 메뉴 네비게이션 바 */
.navbar-expand-md > .navbar {
  background-color: var(--gray-50) !important;
  border-bottom: 1px solid var(--gray-200);
}

/* ============================================
   21. 페이지 레이아웃 여백 조정
   ============================================ */

.page-wrapper {
  padding-top: 0;
}

.page-header {
  padding: var(--spacing-md) 0 !important;
}

.page-body {
  padding: var(--spacing-md) 0 var(--spacing-lg) !important;
}

/* 메인 콘텐츠 상단 여백 줄이기 */
.page-body > .container-xl {
  padding-top: 0;
}

/* ============================================
   22. 테마 시스템 - Blue (토스 블루)
   ============================================ */
[data-theme="blue"] {
  --tblr-primary: #3182F6;
  --tblr-primary-rgb: 49, 130, 246;
  --tblr-primary-hover: #1B64DA;
  --tblr-primary-light: #EBF4FF;
}

/* ============================================
   23. 테마 시스템 - Purple (바이올렛)
   ============================================ */
[data-theme="purple"] {
  --tblr-primary: #8B5CF6;
  --tblr-primary-rgb: 139, 92, 246;
  --tblr-primary-hover: #7C3AED;
  --tblr-primary-light: #F3E8FF;
}

/* ============================================
   24. 테마 시스템 - Green (그린)
   ============================================ */
[data-theme="green"] {
  --tblr-primary: #10B981;
  --tblr-primary-rgb: 16, 185, 129;
  --tblr-primary-hover: #059669;
  --tblr-primary-light: #D1FAE5;
}

/* ============================================
   25. 게시판 카테고리 탭 (Inline Chips)
   ============================================ */

/* 카테고리 탭 컨테이너 */
.board-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
}

/* 개별 탭 */
.board-category-tabs .nav-item {
  margin: 0;
}

.board-category-tabs .nav-link {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12.5px;
  font-weight: var(--font-weight-medium);
  color: var(--gray-500);
  background: transparent;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
}

/* 선택된 탭 */
.board-category-tabs .nav-link.active {
  background: var(--tblr-primary);
  color: white;
}

/* 호버 */
.board-category-tabs .nav-link:hover:not(.active) {
  color: var(--gray-700);
  background: var(--gray-100);
}

/* ============================================
   26. 게시판 공지사항 스타일 (Inline Minimal)
   ============================================ */

/* 공지사항 컨테이너 - 인라인 스타일 */
.notice-list {
  background: transparent;
  border-radius: 0;
  padding: 0;
  margin-bottom: 0;
  border: none;
  border-bottom: 1px solid var(--gray-100);
}

/* 공지사항 항목 */
.notice-list .list-group-item {
  background: transparent;
  border: none;
  padding: 6px 0;
  transition: all 0.15s ease;
  font-size: 13px;
  display: flex;
  align-items: center;
}

.notice-list .list-group-item:hover {
  background: transparent;
}

.notice-list .list-group-item:hover .fw-bold {
  color: var(--tblr-primary);
}

/* 공지 뱃지 */
.notice-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px;
  background: #FF9500;
  color: white;
  border-radius: 3px;
  margin-right: 8px;
  font-size: 10px;
  font-weight: 600;
  flex-shrink: 0;
}

.notice-icon svg {
  display: none;
}

.notice-icon::after {
  content: '공지';
}

.notice-list .fw-bold {
  font-weight: 500;
  color: var(--gray-600);
  font-size: 13px;
}

/* ============================================
   27. 게시글 목록 호버 효과
   ============================================ */

/* 게시글 항목 */
.post-item {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.2s ease;
  cursor: pointer;
  border-left: 3px solid transparent;
}

/* 호버 효과 */
.post-item:hover {
  background: var(--gray-50);
  transform: translateX(4px);
  border-left-color: var(--tblr-primary);
}

/* 게시글 제목 호버 */
.post-item:hover h3 a,
.post-item:hover .post-title {
  color: var(--tblr-primary);
}

/* 마지막 항목 */
.post-item:last-child {
  border-bottom: none;
}

/* ============================================
   28. 게시글 목록 컨테이너 스타일
   ============================================ */

/* 게시글 목록 컨테이너 */
.post-list-container {
  background: white;
  border-radius: var(--tblr-border-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* 게시글 메타 정보 */
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-500);
  font-size: 13px;
}

.post-meta .icon {
  width: 16px;
  height: 16px;
}