/* PostBox 전역 반응형 및 모바일 최적화 스타일시트 */
html, body {
  font-size: 14px;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  position: relative;
  -webkit-text-size-adjust: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin-bottom: 60px;
}

/* 네비게이션 메뉴 및 텍스트 1글자 세로 찌그러짐 원천 차단 */
.navbar-nav .nav-link {
  white-space: nowrap !important;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.table td.text-nowrap, .table th.text-nowrap {
  white-space: nowrap !important;
}

/* 이미지 및 미디어 컨테이너 오버플로우 방지 */
img, svg {
  max-width: 100%;
  height: auto;
}

/* 카드 및 컨테이너 100% 폭 제한 엄수 */
.card {
  max-width: 100%;
}

/* 모바일 뷰포트 여백 최적화 */
@media (max-width: 576px) {
  .container-fluid, .container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }
}

/* 모바일 햄버거 메뉴 및 터치 타깃 최적화 */
.navbar-toggler {
  padding: 0.35rem 0.5rem;
  font-size: 1.15rem;
  border-radius: 0.375rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.15rem rgba(255, 255, 255, 0.5);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.95%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* 모바일 알약 탭 스크롤바 숨김 처리 (터치 스와이프 친화적) */
.nav-pills.overflow-auto::-webkit-scrollbar {
  display: none;
}
.nav-pills.overflow-auto {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* 모바일 오프캔버스 사이드 드로어 및 모던 UI 유틸리티 */
.hover-bg-light:hover {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
}

.shadow-xs {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

#mobileNavDrawer {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

#mobileNavDrawer .list-group-item:hover {
  background-color: #f8fafc;
}

#mobileNavDrawer .nav-link {
  transition: background-color 0.15s ease;
}

/* 전역 글꼴: Pretendard (불러오지 못하면 시스템 글꼴) */
:root {
  --bs-font-sans-serif: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", sans-serif;
}

/* Bootstrap 에 없어 적용되지 않던 반 단계 간격 유틸리티 */
.gap-1\.5 { gap: 0.375rem !important; }
.gap-2\.5 { gap: 0.625rem !important; }
.m-1\.5 { margin: 0.375rem !important; }
.mb-1\.5 { margin-bottom: 0.375rem !important; }
.mt-0\.5 { margin-top: 0.125rem !important; }
.p-2\.5 { padding: 0.625rem !important; }
.px-1\.5 { padding-left: 0.375rem !important; padding-right: 0.375rem !important; }
.px-2\.5 { padding-left: 0.625rem !important; padding-right: 0.625rem !important; }
.px-3\.5 { padding-left: 0.875rem !important; padding-right: 0.875rem !important; }
.py-0\.5 { padding-top: 0.125rem !important; padding-bottom: 0.125rem !important; }
.py-1\.5 { padding-top: 0.375rem !important; padding-bottom: 0.375rem !important; }
.py-2\.5 { padding-top: 0.625rem !important; padding-bottom: 0.625rem !important; }
.shadow-2xs { box-shadow: 0 1px 1px rgba(15, 23, 42, 0.04) !important; }
.hover-bg:hover { background-color: #f1f5f9; }

/* 상단 내비게이션 규격 및 모바일 1줄 배치 */
nav.navbar { min-height: 52px; padding-top: 0 !important; padding-bottom: 0 !important; }
.nav-wide { padding: 0 20px !important; }
.navbar-brand { font-size: 16px; padding: 0; margin-right: 0; }
#desktopNavbar { margin-left: 20px !important; }
.navbar-nav.gap-1 { gap: 4px !important; }
.navbar-nav .nav-link { font-size: 13px; padding: 5px 10px !important; border-radius: 6px !important; }
.navbar-nav .nav-link > i { display: none; }
nav.navbar .navbar-toggler { padding: 0 !important; }
nav.navbar .navbar-toggler-icon { width: 24px; height: 24px; }
nav.navbar .container-fluid > .d-flex:first-child { gap: 10px !important; }
.navbar-nav .nav-link.text-white-50 { color: rgba(255, 255, 255, 0.82) !important; }
nav.navbar > .container-fluid { flex-wrap: nowrap !important; }
#desktopNavbar { min-width: 0; }
nav.navbar .container-fluid > .d-flex:last-child, nav.navbar .dropdown { min-width: 0; }
#profileDropdownBtn { min-width: 0; max-width: 190px; }
.navbar-account-name { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 767.98px) {
  .nav-wide { padding: 0 12px !important; }
  #profileDropdownBtn { max-width: 124px; }
}

/* ☰ 전체 메뉴 */
#mobileNavDrawer .offcanvas-header { height: 52px; flex: none; padding: 0 14px; font-size: 15px; }
#mobileNavDrawer .offcanvas-body { padding: 12px; font-size: 13px; }
.nav-drawer-title { margin-bottom: 4px; font-size: 12px; font-weight: 600; color: #64748b; }
.nav-drawer-link { display: flex; align-items: center; gap: 9px; height: 36px; padding: 0 8px; border-radius: 6px; color: #475569; text-decoration: none; }
.nav-drawer-link:hover { background: #f1f5f9; color: #475569; }
.nav-drawer-link.on { background: color-mix(in srgb, var(--brand) 10%, #fff); color: var(--brand); font-weight: 600; }