/*
 * 파일명: style.css
 * 파일경로: /home/ociws1/web/wifiqr.co.kr/public_html/assets/css/
 * 기능: 디자인 토큰 + 공통 컴포넌트 + 레이아웃 + 관리자 셸 (css-standard.md 준수)
 * 작성일: 2026-06-12
 */

/* ===== 1. 디자인 토큰 ===== */
:root {
  /* Brand colors */
  --color-primary: #18609C;
  --color-primary-hover: #124d7e;
  --color-primary-soft: #e8f1f9;
  --color-accent: #2a8c54;

  /* Background */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #eef2f7;
  --color-muted: #eef2f7;

  /* Text */
  --color-text: #1a1a1a;
  --color-text-strong: #111827;
  --color-text-sub: #666666;
  --color-text-muted: #9096a8;

  /* Border */
  --color-border: #e0e6ed;
  --color-border-strong: #cbd5e1;

  /* Status */
  --color-success-bg: #e6f7ed;
  --color-success-text: #2a8c54;
  --color-error-bg: #fde8e8;
  --color-error-text: #b53030;
  --color-warning-bg: #fff7ed;
  --color-warning-text: #b45309;
  --color-info-bg: #e8f1f9;
  --color-info-text: #18609C;

  /* Font */
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo',
               'Malgun Gothic', sans-serif;

  /* Font size (본문 최소 16px — 가이드 §8) */
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 16px;
  --fs-lg: 20px;
  --fs-xl: 28px;

  /* Layout (가이드 §2: 기본 1100 / 정보 720 / 폼 480) */
  --container-lg: 1100px;
  --container-md: 720px;
  --container-sm: 480px;
  --header-height: 64px;
  --layout-gap: 28px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  /* Radius / Shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, .09);

  --transition: 0.2s ease;
}

/* ===== 2. 기본 ===== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ===== 3. 컨테이너 ===== */
.container-lg,
.container,
.container-sm {
  margin: 0 auto;
  padding: 0 var(--space-4);
  width: 100%;
}
.container-lg { max-width: var(--container-lg); }
.container    { max-width: var(--container-md); }
.container-sm { max-width: var(--container-sm); }

.page-main { padding: var(--space-6) 0 var(--space-7); }
.page-title { font-size: var(--fs-xl); font-weight: 700; margin: 0 0 var(--space-5); color: var(--color-text-strong); }

/* ===== 4. 헤더 + 네비 (햄버거_메뉴_표준) ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  min-height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.logo { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 800; font-size: var(--fs-lg); color: var(--color-primary); }
.logo svg { width: 26px; height: 26px; }

.nav { display: flex; align-items: center; gap: var(--space-1); font-size: var(--fs-base); }
.nav a {
  position: relative;
  color: var(--color-text);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav a:hover { color: var(--color-primary); }
.nav a.is-active { color: var(--color-primary); font-weight: 600; }
.nav-strong { background: var(--color-primary); color: #fff; font-weight: 700; }
.nav-strong:hover { background: var(--color-primary-hover); color: #fff; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  width: 44px;
  height: 44px;
}
.nav-toggle-bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  margin: 5px auto;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 네비 드롭다운 (로그인 사용자 메뉴) */
.nav-dropdown-wrap { position: relative; }
.nav-dropdown-btn {
  display: inline-flex; align-items: center; gap: var(--space-1);
  background: transparent; border: 0; cursor: pointer;
  color: var(--color-text); font: inherit; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius-sm);
}
.nav-caret { width: 10px; height: 6px; transition: transform var(--transition); }
.nav-dropdown-wrap.is-open .nav-caret { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none;
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 180px; padding: 6px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  z-index: 60;
}
.nav-dropdown-wrap.is-open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--color-text); }
.nav-dropdown-menu a:hover { background: var(--color-muted); color: var(--color-primary); }

/* ===== 5. 버튼 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: var(--fs-base);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-soft); }
.btn-ghost { background: var(--color-muted); color: var(--color-text); }
.btn-ghost:hover { background: var(--color-border); }
.btn-danger { background: var(--color-error-text); color: #fff; }
.btn-sm { min-height: 34px; padding: 5px 12px; font-size: var(--fs-sm); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ===== 6. 알림 ===== */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  margin-bottom: var(--space-4);
}
.alert-success { background: var(--color-success-bg); color: var(--color-success-text); border: 1px solid #b3e8c8; }
.alert-error   { background: var(--color-error-bg);   color: var(--color-error-text);   border: 1px solid #f5b8b8; }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border: 1px solid #fed7aa; }
.alert-info    { background: var(--color-info-bg);    color: var(--color-info-text);    border: 1px solid #bcd8ef; }

/* 안내 박스 (소셜 연결 안내 등 — info 톤) */
.info-box {
  display: flex; gap: var(--space-3); align-items: flex-start;
  background: var(--color-info-bg);
  border: 1px solid #bcd8ef;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-info-text);
  margin-top: var(--space-5);
}

/* ===== 7. 카드 ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.card-title { font-size: var(--fs-lg); font-weight: 700; margin: 0 0 var(--space-4); color: var(--color-text-strong); }

/* ===== 8. 폼 ===== */
.form-group { margin-bottom: var(--space-4); }
.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text-sub);
}
.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: var(--fs-md);
  font-family: inherit;
  background: var(--color-surface);
  min-height: 44px;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-hint { font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.form-error { font-size: var(--fs-xs); color: var(--color-error-text); margin-top: var(--space-1); }
.form-check { display: flex; align-items: flex-start; gap: var(--space-2); font-size: var(--fs-base); }
.form-check input { width: 18px; height: 18px; margin-top: 4px; flex: none; }

/* 비밀번호 눈 아이콘 (JS가 input[type=password]를 감싸 생성) */
.password-wrap { position: relative; }
.password-wrap .input { padding-right: 44px; }
.password-toggle {
  position: absolute; top: 0; right: 0;
  width: 44px; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 0; cursor: pointer;
  color: var(--color-text-muted);
}
.password-toggle:hover { color: var(--color-text); }

/* ===== 9. 배지 / 상태 ===== */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 700;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-muted   { background: var(--color-muted);      color: var(--color-text-sub); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-muted);
}

/* ===== 10. 페이징 ===== */
.pagination {
  display: flex; justify-content: center; gap: var(--space-1);
  margin-top: var(--space-5); flex-wrap: wrap;
}
.pagination a, .pagination span {
  min-width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--fs-sm);
  color: var(--color-text-sub);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination span.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; font-weight: 700; }

/* ===== 11. 소셜 로그인 버튼 ===== */
.social-divider {
  display: flex; align-items: center; gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-4);
  color: var(--color-text-muted); font-size: var(--fs-sm);
}
.social-divider::before, .social-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--color-border);
}
.social-buttons { display: flex; flex-direction: column; gap: var(--space-2); }
.btn-social {
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; width: 100%;
  border-radius: var(--radius-sm);
  font-size: var(--fs-base); font-weight: 600;
  border: 1px solid var(--color-border);
  cursor: pointer; text-decoration: none;
}
.btn-social svg, .btn-social img { width: 18px; height: 18px; }
.btn-social-google { background: #fff; color: #1f1f1f; }
.btn-social-google:hover { background: #f6f6f6; }
.btn-social-kakao { background: #FEE500; color: #191919; border-color: #FEE500; }
.btn-social-naver { background: #03C75A; color: #fff; border-color: #03C75A; }

/* ===== 12. QR 생성기 (메인) ===== */
.qr-hero { text-align: center; padding: var(--space-6) 0 var(--space-5); }
.qr-hero h1 { font-size: var(--fs-xl); margin: 0 0 var(--space-2); color: var(--color-text-strong); }
.qr-hero p { margin: 0; color: var(--color-text-sub); }
.qr-secure-note {
  display: inline-flex; align-items: center; gap: var(--space-1);
  margin-top: var(--space-3);
  font-size: var(--fs-sm); color: var(--color-success-text);
  background: var(--color-success-bg);
  padding: 4px 14px; border-radius: 999px;
}

.qr-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--layout-gap);
  align-items: start;
}
.qr-preview-box {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4);
  text-align: center;
}
.qr-canvas-frame {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex; align-items: center; justify-content: center;
  min-height: 260px; min-width: 260px;
}
.qr-canvas-frame canvas { display: block; width: 228px; height: 228px; image-rendering: pixelated; }
.qr-canvas-placeholder { color: var(--color-text-muted); font-size: var(--fs-sm); padding: var(--space-5); }
.qr-actions { display: flex; flex-direction: column; gap: var(--space-2); width: 100%; }

/* ===== 13. 템플릿 선택 카드 ===== */
.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.template-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  cursor: pointer;
  background: var(--color-surface);
  transition: border-color var(--transition);
}
.template-card:hover { border-color: var(--color-border-strong); }
.template-card.is-selected { border-color: var(--color-primary); }
.template-card .tpl-thumb {
  height: 110px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-muted);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}
.template-card h3 { margin: 0 0 var(--space-1); font-size: var(--fs-base); color: var(--color-text-strong); }
.template-card p { margin: 0; font-size: var(--fs-xs); color: var(--color-text-muted); }

/* ===== 14. FAQ ===== */
.faq-item { border-bottom: 1px solid var(--color-border); padding: var(--space-4) 0; }
.faq-item h2 { font-size: var(--fs-md); margin: 0 0 var(--space-2); color: var(--color-text-strong); }
.faq-item p { margin: 0; color: var(--color-text-sub); font-size: var(--fs-base); }

/* ===== 15. 마이페이지 (.dash-* — 관리자 표준 §8: in-container) ===== */
.dash-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--layout-gap);
  align-items: start;
}
.dash-nav { display: flex; flex-direction: column; gap: 2px; }
.dash-nav-section {
  font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--color-text-muted);
  padding: var(--space-3) var(--space-2) var(--space-1);
}
.dash-nav a {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 8px var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-sub); font-weight: 500; font-size: var(--fs-base);
}
.dash-nav a:hover { background: var(--color-surface-alt); color: var(--color-primary); }
.dash-nav a.is-active { background: var(--color-primary); color: #fff; font-weight: 600; }
.dash-nav a.is-danger { color: var(--color-error-text); }
.dash-nav a.is-danger:hover { background: var(--color-error-bg); }
.dash-divider { height: 1px; background: var(--color-border); margin: var(--space-3) 0; }

/* 저장 QR 목록 */
.myqr-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.myqr-item { display: flex; gap: var(--space-4); align-items: center; }
.myqr-item canvas { width: 84px; height: 84px; flex: none; image-rendering: pixelated; }
.myqr-meta { min-width: 0; flex: 1; }
.myqr-meta h3 { margin: 0 0 2px; font-size: var(--fs-base); color: var(--color-text-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.myqr-meta p { margin: 0 0 var(--space-2); font-size: var(--fs-xs); color: var(--color-text-muted); }
.myqr-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ===== 16. 관리자 셸 (관리자_레이아웃_표준 §5) ===== */
.admin-body { background: var(--color-surface-alt); }
.admin-shell { display: flex; min-height: 100vh; background: var(--color-surface-alt); }
.admin-side {
  position: fixed; inset: 0 auto 0 0; width: 248px; height: 100vh;
  display: flex; flex-direction: column;
  background: var(--color-surface); border-right: 1px solid var(--color-border);
  overflow-y: auto; z-index: 60;
}
.admin-side-brand { display: flex; align-items: center; padding: var(--space-4); border-bottom: 1px solid var(--color-border); font-weight: 800; color: var(--color-primary); }
.admin-side-body { flex: 1; padding: var(--space-4); }
.admin-main { flex: 1; min-width: 0; margin-left: 248px; display: flex; flex-direction: column; }
.admin-topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.9); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.admin-topbar h1 { margin: 0; font-size: var(--fs-xl); }
.admin-topbar-left { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.admin-main-inner { padding: var(--space-6); }

.dash-user { display: flex; align-items: center; gap: var(--space-3); padding-bottom: var(--space-4); margin-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); }
.dash-avatar { flex: none; width: 44px; height: 44px; border-radius: 999px; background: var(--color-primary); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; text-transform: uppercase; }
.dash-user-info { min-width: 0; }
.dash-user-name { display: block; font-weight: 700; color: var(--color-text-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dash-user-sub { display: block; font-size: var(--fs-xs); color: var(--color-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dash-nav-badge { margin-left: auto; flex: none; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--color-accent); color: #fff; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; }
.dash-nav a.is-active .dash-nav-badge { background: rgba(255, 255, 255, .25); }

/* 통계 카드 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-bottom: var(--space-5); }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); }
.stat-card .stat-label { font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; }
.stat-card .stat-value { font-size: var(--fs-xl); font-weight: 800; color: var(--color-text-strong); line-height: 1.3; }
.stat-card .stat-sub { font-size: var(--fs-xs); color: var(--color-text-muted); }

/* 목록 테이블 */
.admin-listbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-3); }
.admin-listbar h2 { margin: 0; font-size: var(--fs-lg); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table thead th { text-align: left; padding: var(--space-2) var(--space-3); font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.admin-table tbody td { padding: var(--space-3); border-bottom: 1px solid var(--color-border); vertical-align: middle; font-size: var(--fs-base); }
.admin-table tbody tr:hover { background: var(--color-surface-alt); }
.admin-table .col-title { font-weight: 600; color: var(--color-text-strong); }
.admin-table .col-num { text-align: center; white-space: nowrap; color: var(--color-text-sub); }
.admin-table .col-actions { text-align: right; white-space: nowrap; }
.cell-sub { display: block; font-size: var(--fs-xs); color: var(--color-text-muted); font-weight: 400; }

/* 행 드롭다운 */
.row-actions { position: relative; display: inline-block; }
.row-actions-menu { position: absolute; top: calc(100% + 4px); right: 0; z-index: 50; min-width: 160px; padding: var(--space-1); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-md); display: none; }
.row-actions.is-open .row-actions-menu { display: block; }
.row-actions-menu form { margin: 0; }
.row-actions-menu a, .row-actions-menu button { display: block; width: 100%; text-align: left; padding: 8px var(--space-3); border: none; background: none; border-radius: var(--radius-sm); color: var(--color-text-sub); text-decoration: none; white-space: nowrap; cursor: pointer; font: inherit; font-size: var(--fs-sm); }
.row-actions-menu a:hover, .row-actions-menu button:hover { background: var(--color-surface-alt); color: var(--color-primary); }
.row-actions-menu button.is-danger { color: var(--color-error-text); }
.row-actions-menu button.is-danger:hover { background: var(--color-error-bg); }

/* 관리자 햄버거 토글 / 백드롭 */
.admin-nav-toggle { display: none; flex: none; width: 44px; height: 44px; align-items: center; justify-content: center; padding: 0; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-text); cursor: pointer; }
.admin-nav-backdrop { display: none; }

/* ===== 17. 푸터 ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-5) 0;
  margin-top: var(--space-7);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  font-size: var(--fs-sm); color: var(--color-text-muted);
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: var(--space-4); }
.footer-links a:hover { color: var(--color-primary); }

/* ===== 18. 반응형 ===== */
/* breakpoint: 992px (LG 미만) — QR/관리자 2단 → 1단 */
@media (max-width: 992px) {
  .qr-layout { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .myqr-list { grid-template-columns: 1fr; }
}

/* breakpoint: 768px (MD 미만) — 관리자 셸 모바일 (관리자_레이아웃_표준 ★주의) */
@media (max-width: 768px) {
  .admin-shell { flex-direction: column; }
  .admin-nav-toggle { display: inline-flex; }
  .admin-side { position: fixed; top: 0; left: 0; width: 264px; max-width: 82vw; height: 100vh; border-right: 1px solid var(--color-border); transform: translateX(-100%); transition: transform .3s ease; z-index: 80; }
  .admin-shell.is-nav-open .admin-side { transform: translateX(0); }
  .admin-nav-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 70; }
  .admin-shell.is-nav-open .admin-nav-backdrop { display: block; }
  .admin-main { margin-left: 0; }
  .admin-topbar, .admin-main-inner { padding: var(--space-4); }

  /* 조작용 테이블 → 카드 (data-label) */
  .admin-table thead { display: none; }
  .admin-table, .admin-table tbody, .admin-table tr, .admin-table td { display: block; width: 100%; }
  .admin-table tr { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-2) var(--space-3); margin-bottom: var(--space-3); background: var(--color-surface); }
  .admin-table tbody td { border: none; padding: var(--space-1) 0; display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
  .admin-table tbody td::before { content: attr(data-label); flex: none; font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-muted); }
  .admin-table .col-actions { justify-content: flex-start; margin-top: var(--space-2); }
  .row-actions-menu { right: auto; left: 0; }

  .dash-layout { grid-template-columns: 1fr; }
  .dash-layout > .dash-side { order: -1; }
  .dash-layout .dash-nav { flex-direction: row; flex-wrap: wrap; }
  .dash-layout .dash-nav-section { display: none; }
  .template-grid { grid-template-columns: 1fr; }
}

/* breakpoint: 720px — 햄버거 메뉴 (햄버거_메뉴_표준 2-C) */
@media (max-width: 720px) {
  .header-inner { flex-wrap: wrap; }
  .nav-toggle { display: inline-block; }
  .nav {
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { width: 100%; padding: var(--space-3); border-radius: var(--radius-sm); }
  .nav a:hover { background: var(--color-primary-soft); }
  .nav-strong { margin-top: var(--space-2); text-align: center; }

  .nav.is-open a { opacity: 0; animation: navItemIn 0.35s ease forwards; }
  .nav.is-open a:nth-child(1) { animation-delay: 0.04s; }
  .nav.is-open a:nth-child(2) { animation-delay: 0.08s; }
  .nav.is-open a:nth-child(3) { animation-delay: 0.12s; }
  .nav.is-open a:nth-child(4) { animation-delay: 0.16s; }
  .nav.is-open a:nth-child(5) { animation-delay: 0.20s; }
  .nav.is-open a:nth-child(6) { animation-delay: 0.24s; }
  .nav.is-open a:nth-child(7) { animation-delay: 0.28s; }
  .nav.is-open a:nth-child(8) { animation-delay: 0.32s; }

  .nav-dropdown-wrap { width: 100%; display: flex; flex-direction: column; align-items: stretch; }
  .nav-dropdown-btn { width: 100%; padding: var(--space-3); justify-content: space-between; }
  .nav-dropdown-menu {
    position: static; box-shadow: none; border: none; border-radius: 0; min-width: 0;
    margin-left: var(--space-4); border-left: 2px solid var(--color-border-strong); padding: var(--space-1) 0;
  }

  @keyframes navItemIn {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav.is-open a { animation: none; opacity: 1; }
  .nav-toggle-bar { transition: none; }
}