/**
 * ABM Pro — 사이트 공통 헤더 (모든 페이지 동일 크기·폰트·간격)
 */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fb;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-accent: #2563eb;
  --color-accent-dark: #1d4ed8;
  --color-border: #e2e8f0;
  --color-bg-dark: #0f172a;
  --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --transition: 0.25s ease;
  --header-h: 72px;
  --header-h-mobile: 64px;
  --header-max: 1200px;
  --header-nav-size: 0.9rem;
  --header-nav-weight: 500;
  --header-nav-gap: 2rem;
  --header-end-gap: 1.25rem;
  --header-auth-size: 0.8125rem;
  --header-auth-weight: 600;
  --header-auth-h: 32px;
  --header-logo-size: 1.15rem;
  --header-logo-size-lg: 1.2rem;
}

.contain {
  max-width: var(--header-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 993px) {
  .contain {
    padding: 0 48px;
  }
}

@media (max-width: 480px) {
  .contain {
    padding: 0 16px;
  }
}

#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-top: env(safe-area-inset-top, 0);
  transition: background var(--transition), box-shadow var(--transition);
}

#header .header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--header-h);
  max-width: var(--header-max);
  margin: 0 auto;
}

#header:not(.scrolled) {
  background: transparent;
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 var(--color-border);
  backdrop-filter: blur(12px);
}

#header:not(.scrolled) .sitelogo a,
#header:not(.scrolled) .gnb a:not(.nav-cta) {
  color: #fff;
}

#header.scrolled .sitelogo a,
#header.scrolled .gnb a {
  color: var(--color-text);
}

#header:not(.scrolled) .btn-m-menu {
  color: #fff;
}

#header.scrolled .btn-m-menu {
  color: var(--color-text);
}

.sitelogo {
  margin-right: auto;
  min-width: 0;
}

.sitelogo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--header-logo-size);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sitelogo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .sitelogo a {
    font-size: var(--header-logo-size-lg);
  }
}

.header-end {
  display: flex;
  align-items: center;
  gap: var(--header-end-gap);
  margin-left: auto;
  flex-shrink: 0;
}

.gnb ul {
  display: flex;
  align-items: center;
  gap: var(--header-nav-gap);
}

.gnb a {
  font-size: var(--header-nav-size);
  font-weight: var(--header-nav-weight);
  line-height: 1.2;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.gnb a:hover {
  opacity: 0.75;
}

.gnb a.is-active,
.gnb a[aria-current="page"] {
  font-weight: 600;
}

@media (min-width: 769px) {
  .header-end .header-auth {
    padding-left: calc(var(--header-end-gap) + 4px);
    border-left: 1px solid rgba(148, 163, 184, 0.35);
  }

  #header:not(.scrolled) .header-end .header-auth {
    border-left-color: rgba(255, 255, 255, 0.28);
  }

  #header.scrolled .header-end .header-auth {
    border-left-color: var(--color-border);
  }
}

.btn-m-menu {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  padding: 0;
  flex-shrink: 0;
  transition: color var(--transition);
}

.btn-m-menu span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 6px 0 currentColor, 0 -6px 0 currentColor;
}

@media (max-width: 768px) {
  .gnb {
    display: none;
  }

  .header-end .gnb {
    display: none;
  }

  .header-end .header-auth {
    padding-left: 0;
    border-left: none !important;
  }

  .btn-m-menu {
    display: flex;
  }

  .mobile-navigation {
    display: block;
  }

  #header .header-inner {
    height: var(--header-h-mobile);
  }
}

/* 로그인·계정 버튼 (site-account.js / HeaderAuth.jsx 공통) */
.header-auth {
  position: relative;
  flex-shrink: 0;
}

.header-auth__login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  font-size: 0.85rem;
  font-weight: var(--header-auth-weight);
  line-height: 1.2;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff !important;
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition);
}

.header-auth__login:hover {
  background: var(--color-accent-dark);
}

#header:not(.scrolled) .header-auth__login {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

#header.scrolled .header-auth__login:hover {
  background: var(--color-accent-dark);
}

.header-auth__trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 132px;
  min-height: var(--header-auth-h);
  padding: 0 10px;
  font-family: var(--font-sans);
  font-size: var(--header-auth-size);
  font-weight: var(--header-auth-weight);
  line-height: 1.2;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header-auth__trigger:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow);
}

#header:not(.scrolled) .header-auth__trigger {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.header-auth__trigger-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-auth__chevron {
  font-size: 0.55rem;
  opacity: 0.55;
  flex-shrink: 0;
}

.header-auth__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.header-auth__dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-auth__menu-item {
  display: block;
  width: 100%;
  padding: 11px 14px;
  font-size: var(--header-nav-size);
  font-weight: 500;
  text-align: left;
  color: var(--color-text);
  border-radius: 8px;
  border: none;
  background: none;
  cursor: pointer;
  transition: background var(--transition);
}

.header-auth__menu-item:hover {
  background: var(--color-bg-alt);
}

.header-auth__menu-item--danger {
  color: #dc2626;
}

.header-auth__menu-divider {
  height: 1px;
  margin: 6px 8px;
  background: var(--color-border);
}

.header-auth__user-head {
  border-bottom: 1px solid var(--color-border);
  padding: 10px 14px 12px;
  text-align: left;
}

.header-auth__user-name {
  font-size: var(--header-nav-size);
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-auth__user-email {
  margin-top: 2px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-auth__mobile-link {
  display: none;
}

@media (max-width: 768px) {
  .header-auth__wrap {
    display: none !important;
  }

  .header-auth__login {
    min-height: 32px;
    padding: 0 12px;
    font-size: 0.8125rem;
  }

  .header-auth__mobile-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 108px;
    min-height: 32px;
    padding: 0 10px;
    font-size: var(--header-auth-size);
    font-weight: var(--header-auth-weight);
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
  }

  #header:not(.scrolled) .header-auth__mobile-link {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
  }
}

@media (min-width: 769px) {
  .header-auth__mobile-link {
    display: none !important;
  }
}

/* 고정 헤더 페이지 (로그인·계정) */
.page-login #header.scrolled,
.page-login #header,
.page-account #header.scrolled,
.page-account #header,
.page-guide #header.scrolled,
.page-guide #header,
.page-start #header.scrolled,
.page-start #header {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 var(--color-border);
  backdrop-filter: blur(12px);
}

.page-login #header .sitelogo a,
.page-login #header .gnb a,
.page-login #header .btn-m-menu,
.page-account #header .sitelogo a,
.page-account #header .gnb a,
.page-account #header .btn-m-menu,
.page-guide #header .sitelogo a,
.page-guide #header .gnb a,
.page-guide #header .btn-m-menu,
.page-start #header .sitelogo a,
.page-start #header .gnb a,
.page-start #header .btn-m-menu {
  color: var(--color-text);
}

.page-login #header .header-auth__trigger,
.page-account #header .header-auth__trigger,
.page-guide #header .header-auth__trigger,
.page-start #header .header-auth__trigger {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-text);
}

.page-login #header .header-auth__login,
.page-account #header .header-auth__login,
.page-guide #header .header-auth__login,
.page-start #header .header-auth__login {
  background: var(--color-accent);
  border: none;
  color: #fff !important;
}

/* 모바일 메뉴 (구독 React 페이지 포함) */
.mobile-navigation {
  position: fixed;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-bg-dark);
  z-index: 1100;
  transform: translateX(100%);
  transition: transform var(--transition);
  padding: 80px 28px 28px;
  overflow-y: auto;
}

.mobile-navigation.active {
  display: block;
  transform: translateX(0);
}

@media (min-width: 769px) {
  .mobile-navigation {
    display: none;
  }
}

.mobile-nav-inner {
  position: relative;
}

.mobile-home {
  display: block;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 32px;
}

.mobile-navigation .nav-menu ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-navigation .nav-menu a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

.mobile-navigation .close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1050;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

#subscribe-root .btn.btn-primary,
.mobile-navigation .btn.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}