/* ===================================================
   MAISON LUMIÈRE — Admin Dashboard CSS
   Mobile First Design
   =================================================== */
:root {
  --sidebar-w: 260px;
  --topbar-h:  56px;
  --bg:        #f4f5f7;
  --surface:   #ffffff;
  --border:    #e8eaed;
  --text-1:    #1a1a2e;
  --text-2:    #4a5568;
  --text-3:    #9aa5b4;
  --gold:      #c9a96e;
  --gold-lt:   #f5edd8;
  --blue:      #3b82f6;
  --blue-lt:   #dbeafe;
  --green:     #10b981;
  --green-lt:  #d1fae5;
  --rose:      #f43f5e;
  --rose-lt:   #ffe4e6;
  --orange:    #f59e0b;
  --orange-lt: #fef3c7;
  --purple:    #8b5cf6;
  --purple-lt: #ede9fe;
  --radius:    10px;
  --shadow:    0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 8px 32px rgba(0,0,0,.06);
  --transition: .2s cubic-bezier(.4,0,.2,1);
  --font: 'Noto Sans KR', sans-serif;
  --font-en: 'Montserrat', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { font-family: var(--font); color: var(--text-1); background: var(--bg); display: flex; min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ══════════════════════════════════════
   사이드바 — 모바일 기준: 슬라이드 오버레이
══════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w); min-height: 100vh; background: var(--text-1);
  display: flex; flex-direction: column;
  position: fixed; left: 0; top: 0; bottom: 0; z-index: 300;
  transform: translateX(-100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
}
.sidebar.is-open { transform: translateX(0); }

/* 오버레이 */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 299;
  opacity: 0; transition: opacity .25s;
}
.sidebar-overlay.is-visible { display: block; opacity: 1; }

.sidebar__header { padding: 20px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar__logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 38px; height: 38px; background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-size: .82rem; font-weight: 700;
  color: white; flex-shrink: 0; border-radius: 8px;
}
.logo-name { font-family: var(--font-en); font-size: .68rem; font-weight: 600; letter-spacing: .1em; color: white; }
.logo-sub { font-size: .62rem; color: rgba(255,255,255,.4); margin-top: 2px; }
.sidebar__nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.nav-group { margin-bottom: 8px; }
.nav-group__label {
  font-family: var(--font-en); font-size: .58rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.3); padding: 8px 18px 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; color: rgba(255,255,255,.6);
  font-size: .84rem; transition: var(--transition);
  border-left: 3px solid transparent;
}
.nav-item:hover { color: white; background: rgba(255,255,255,.06); }
.nav-item.is-active { color: white; background: rgba(201,169,110,.15); border-left-color: var(--gold); }
.nav-item svg { flex-shrink: 0; }
.nav-item span:first-of-type { flex: 1; }
.nav-badge {
  padding: 2px 8px; border-radius: 20px; background: var(--gold);
  color: white; font-size: .62rem; font-family: var(--font-en); font-weight: 600;
}
.nav-badge--red { background: var(--rose); }
.sidebar__user {
  padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 34px; height: 34px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-weight: 600; color: white;
  font-size: .82rem; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: .82rem; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: .68rem; color: rgba(255,255,255,.4); }
.user-logout { color: rgba(255,255,255,.3); transition: var(--transition); flex-shrink: 0; }
.user-logout:hover { color: var(--rose); }

/* ══════════════════════════════════════
   메인 래퍼 — 모바일: 사이드바 여백 없음
══════════════════════════════════════ */
.main-wrap { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ── 탑바 ── */
.topbar-admin {
  height: var(--topbar-h); background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 14px; gap: 10px; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.topbar-admin__left { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.sidebar-toggle { color: var(--text-2); padding: 6px; border-radius: 6px; transition: var(--transition); flex-shrink: 0; }
.sidebar-toggle:hover { background: var(--bg); }
.search-bar {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 12px; flex: 1; max-width: 200px; min-width: 0;
}
.search-bar svg { color: var(--text-3); flex-shrink: 0; }
.search-bar input { border: none; background: none; outline: none; font-size: .8rem; color: var(--text-1); width: 100%; min-width: 0; }
.search-bar input::placeholder { color: var(--text-3); }
.topbar-admin__right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-btn { position: relative; padding: 8px; color: var(--text-2); border-radius: 8px; transition: var(--transition); }
.topbar-btn:hover { background: var(--bg); }
.topbar-badge {
  position: absolute; top: 2px; right: 2px; width: 15px; height: 15px;
  background: var(--rose); border-radius: 50%; font-size: .58rem; color: white;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-en);
}
.topbar-date { display: none; }

/* ── 콘텐츠 ── */
.content { flex: 1; padding: 14px 12px; }

/* ── 페이지 헤더 ── */
.page-header { display: flex; flex-direction: column; align-items: flex-start; margin-bottom: 16px; gap: 10px; }
.page-title { font-family: var(--font-en); font-size: 1.15rem; font-weight: 600; color: var(--text-1); margin-bottom: 4px; }
.page-sub { font-size: .78rem; color: var(--text-3); }
.page-header__actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; width: 100%; }
.page-header__actions > * { flex: 1; text-align: center; justify-content: center; }
.period-select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); font-size: .8rem; color: var(--text-1); outline: none; cursor: pointer;
}
.btn-export {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 12px; background: var(--text-1); color: white;
  border-radius: 8px; font-size: .78rem; font-family: var(--font-en); font-weight: 500;
  transition: var(--transition); white-space: nowrap;
}
.btn-export:hover { background: var(--gold); }

/* ── KPI 카드 — 모바일: 2열 ── */
.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.kpi-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 14px 12px; box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: var(--transition);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.kpi-card__label { font-size: .72rem; color: var(--text-3); font-weight: 500; }
.kpi-card__icon {
  width: 30px; height: 30px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.kpi-card__icon svg { width: 14px; height: 14px; }
.kpi-card__icon--gold { background: var(--gold-lt); color: var(--gold); }
.kpi-card__icon--blue { background: var(--blue-lt); color: var(--blue); }
.kpi-card__icon--green { background: var(--green-lt); color: var(--green); }
.kpi-card__icon--rose { background: var(--rose-lt); color: var(--rose); }
.kpi-card__value { font-family: var(--font-en); font-size: 1.2rem; font-weight: 700; color: var(--text-1); margin-bottom: 6px; letter-spacing: -.02em; }
.kpi-card__trend { display: flex; align-items: center; gap: 4px; font-size: .7rem; font-family: var(--font-en); font-weight: 600; }
.kpi-card__trend--up { color: var(--green); }
.kpi-card__trend--down { color: var(--rose); }
.kpi-card__trend-label { color: var(--text-3); font-weight: 400; margin-left: 4px; }

/* ── 차트 — 모바일: 1열 ── */
.chart-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 14px; }
.chart-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 14px 12px; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.chart-card__header { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 14px; }
.chart-card__title { font-size: .9rem; font-weight: 600; color: var(--text-1); margin-bottom: 2px; }
.chart-card__sub { font-size: .72rem; color: var(--text-3); }
.chart-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.chart-tab {
  padding: 5px 10px; border-radius: 6px; font-size: .72rem; font-family: var(--font-en);
  font-weight: 500; color: var(--text-3); transition: var(--transition); cursor: pointer;
}
.chart-tab.is-active { background: var(--text-1); color: white; }
.chart-tab:hover:not(.is-active) { background: var(--bg); color: var(--text-1); }
.chart-legend { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.legend-item { display: flex; align-items: center; gap: 10px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.legend-label { font-size: .75rem; color: var(--text-2); flex: 1; }
.legend-val { font-family: var(--font-en); font-size: .75rem; font-weight: 600; color: var(--text-1); }
.legend-pct { font-size: .7rem; color: var(--text-3); }

/* ── 하단 그리드 — 모바일: 1열 ── */
.bottom-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }

/* ── 테이블 카드 ── */
.table-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; }
.table-card__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid var(--border); gap: 8px; flex-wrap: wrap;
}
.table-card__title { font-size: .88rem; font-weight: 600; color: var(--text-1); }
.table-card__actions { display: flex; align-items: center; gap: 8px; }
.btn-sm {
  padding: 6px 12px; border-radius: 6px; font-size: .75rem; font-family: var(--font-en);
  font-weight: 500; transition: var(--transition); white-space: nowrap;
}
.btn-sm--primary { background: var(--text-1); color: white; }
.btn-sm--primary:hover { background: var(--gold); }
.btn-sm--outline { border: 1px solid var(--border); color: var(--text-2); }
.btn-sm--outline:hover { border-color: var(--gold); color: var(--gold); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.admin-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.admin-table th {
  background: var(--bg); padding: 10px 12px; text-align: left;
  font-family: var(--font-en); font-size: .68rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text-3);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.admin-table td { padding: 10px 12px; font-size: .78rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--bg); }
.customer-name { white-space: nowrap; }
.customer-cell { min-width: 100px; }

/* ── 배지 ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 20px; font-size: .68rem; font-family: var(--font-en); font-weight: 600;
}
.badge--gold { background: var(--gold-lt); color: var(--gold); }
.badge--blue { background: var(--blue-lt); color: var(--blue); }
.badge--green { background: var(--green-lt); color: var(--green); }
.badge--rose { background: var(--rose-lt); color: var(--rose); }
.badge--orange { background: var(--orange-lt); color: var(--orange); }
.badge--gray { background: var(--bg); color: var(--text-3); }

/* ── 아바타 ── */
.avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.avatar--sm { width: 26px; height: 26px; }
.avatar-placeholder {
  width: 32px; height: 32px; border-radius: 50%; background: var(--gold-lt);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-size: .72rem; font-weight: 600; color: var(--gold); flex-shrink: 0;
}

/* ── 체크박스 ── */
.checkbox { width: 16px; height: 16px; accent-color: var(--gold); cursor: pointer; }

/* ── 폼 요소 ── */
.form-input {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: .82rem; color: var(--text-1);
  background: var(--surface); outline: none; transition: var(--transition);
}
.form-input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,169,110,.12); }
.form-label { display: block; font-size: .78rem; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.form-group { margin-bottom: 16px; }

/* ── 통계 바 ── */
.stat-bar { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.stat-bar__fill { height: 100%; border-radius: 3px; transition: width .6s ease; }
.stat-bar__fill--gold { background: var(--gold); }
.stat-bar__fill--blue { background: var(--blue); }
.stat-bar__fill--green { background: var(--green); }
.stat-bar__fill--rose { background: var(--rose); }

/* ── 베스트 상품 ── */
.best-list { padding: 8px 0; }
.best-item { display: flex; align-items: center; gap: 12px; padding: 10px 16px; transition: var(--transition); }
.best-item:hover { background: var(--bg); }
.best-rank {
  width: 22px; height: 22px; border-radius: 6px; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-size: .68rem; font-weight: 700; color: var(--text-3); flex-shrink: 0;
}
.best-rank--1 { background: var(--gold-lt); color: var(--gold); }
.best-rank--2 { background: var(--bg); color: #9aa5b4; }
.best-rank--3 { background: #fef3c7; color: #d97706; }
.best-thumb { width: 38px; height: 38px; border-radius: 8px; flex-shrink: 0; }
.best-thumb--1 { background: linear-gradient(135deg, #e8e0f0, #d4c8e8); }
.best-thumb--2 { background: linear-gradient(135deg, #f0e6d3, #e8d5c4); }
.best-thumb--3 { background: linear-gradient(135deg, #f5e6d0, #e8c8a8); }
.best-thumb--4 { background: linear-gradient(135deg, #2d2d2d, #1a1a1a); }
.best-info { flex: 1; min-width: 0; }
.best-name { font-size: .8rem; font-weight: 500; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.best-sales { font-size: .7rem; color: var(--text-3); margin-top: 2px; }
.best-amount { font-family: var(--font-en); font-size: .72rem; font-weight: 600; color: var(--text-1); flex-shrink: 0; }

/* ── 처리 필요 ── */
.todo-list { padding: 8px 0; }
.todo-item { display: flex; align-items: center; gap: 12px; padding: 11px 16px; transition: var(--transition); }
.todo-item:hover { background: var(--bg); }
.todo-icon {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.todo-icon--orange { background: var(--orange-lt); color: var(--orange); }
.todo-icon--red { background: var(--rose-lt); color: var(--rose); }
.todo-icon--blue { background: var(--blue-lt); color: var(--blue); }
.todo-icon--purple { background: var(--purple-lt); color: var(--purple); }
.todo-text { flex: 1; min-width: 0; }
.todo-text strong { display: block; font-size: .8rem; color: var(--text-1); margin-bottom: 2px; }
.todo-text span { font-size: .7rem; color: var(--text-3); }
.todo-arrow { font-size: .8rem; color: var(--text-3); transition: var(--transition); flex-shrink: 0; }
.todo-item:hover .todo-arrow { color: var(--gold); transform: translateX(2px); }

/* ══════════════════════════════════════
   반응형 — 태블릿 (640px 이상)
══════════════════════════════════════ */
@media (min-width: 640px) {
  .search-bar { max-width: 260px; }
  .page-header { flex-direction: row; align-items: flex-start; margin-bottom: 20px; }
  .page-header__actions { width: auto; }
  .page-header__actions > * { flex: none; }
  .kpi-grid { gap: 14px; margin-bottom: 18px; }
  .kpi-card { padding: 18px 16px; }
  .kpi-card__value { font-size: 1.35rem; }
  .chart-grid { gap: 16px; margin-bottom: 18px; }
  .chart-card { padding: 18px 16px; }
  .chart-card__header { flex-direction: row; align-items: flex-start; }
  .bottom-grid { gap: 16px; }
  .admin-table { min-width: 600px; }
  .admin-table th, .admin-table td { padding: 11px 14px; }
}

/* ══════════════════════════════════════
   반응형 — 데스크탑 (1025px 이상)
══════════════════════════════════════ */
@media (min-width: 1025px) {
  html { font-size: 15px; }
  :root { --topbar-h: 64px; }

  /* 사이드바 항상 표시 */
  .sidebar { transform: translateX(0); }
  .sidebar-overlay { display: none !important; }

  /* 메인 콘텐츠 사이드바 여백 */
  .main-wrap { margin-left: var(--sidebar-w); }

  /* 탑바 */
  .topbar-admin { padding: 0 28px; gap: 12px; }
  .search-bar { max-width: 320px; padding: 8px 14px; }
  .search-bar input { font-size: .85rem; }
  .topbar-date { display: flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--text-3); font-family: var(--font-en); white-space: nowrap; }

  /* 콘텐츠 */
  .content { padding: 28px; }

  /* 페이지 헤더 */
  .page-header { margin-bottom: 24px; }
  .page-title { font-size: 1.3rem; }

  /* KPI 그리드: 4열 */
  .kpi-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
  .kpi-card { padding: 20px; }
  .kpi-card__icon { width: 36px; height: 36px; border-radius: 10px; }
  .kpi-card__icon svg { width: 16px; height: 16px; }
  .kpi-card__value { font-size: 1.5rem; }

  /* 차트 그리드: 메인 + 사이드 */
  .chart-grid { grid-template-columns: 1fr 340px; gap: 20px; margin-bottom: 20px; }
  .chart-card { padding: 20px; }
  .chart-card__header { margin-bottom: 20px; }

  /* 하단 그리드: 2열 */
  .bottom-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  /* 테이블 */
  .table-card__header { padding: 16px 20px; }
  .admin-table th, .admin-table td { padding: 12px 16px; font-size: .82rem; }
  .admin-table { min-width: 720px; }
  .customer-cell { min-width: 120px; }
}

/* ══════════════════════════════════════
   반응형 — 와이드 (1280px 이상)
══════════════════════════════════════ */
@media (min-width: 1280px) {
  .chart-grid { grid-template-columns: 1fr 360px; }
}