:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1c2536;
  --muted: #6b7689;
  --line: #e5e9f2;
  --brand: #e3262e;
  --brand-dark: #c01f26;
  --blue: #005daa;
  --blue-dark: #00488a;
  --ok: #1a9c5b;
  --warn: #d98200;
  --bad: #d63a3a;
  --shadow: 0 1px 3px rgba(20, 30, 60, 0.08), 0 6px 18px rgba(20, 30, 60, 0.05);
  --radius: 12px;
  --sidebar-w: 248px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Pretendard", "Malgun Gothic", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }

/* SVG 아이콘 */
.ic { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* ── 로그인 화면 ── */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-dark) 60%, #022e54 100%);
  z-index: 300;
}
.login-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  padding: 32px 26px calc(28px + var(--safe-b));
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-logo { color: var(--brand); margin-bottom: 6px; }
.login-card h1 { font-size: 21px; margin: 6px 0 2px; letter-spacing: -0.5px; }
.login-sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }
.login-field { text-align: left; margin-bottom: 14px; }
.login-field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
}
.login-field input {
  width: 100%;
  padding: 13px 14px;
  font-size: 16px; /* iOS 줌 방지 */
  border: 1px solid var(--line);
  border-radius: 10px;
}
.login-error {
  background: #fdeaea;
  color: var(--bad);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.login-btn { width: 100%; padding: 14px; font-size: 16px; margin-top: 4px; }

/* ── 앱 레이아웃 ── */
#app { display: flex; min-height: 100vh; }

.scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 38, 0.5);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s;
}
body.nav-open .scrim { opacity: 1; visibility: visible; }

/* 사이드바 */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 50;
  transform: translateX(-100%);
  transition: transform 0.25s ease;
}
body.nav-open .sidebar { transform: translateX(0); }
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  padding-top: max(20px, env(safe-area-inset-top));
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.brand .logo { display: inline-flex; }
.brand-title { font-weight: 800; font-size: 18px; letter-spacing: -0.5px; }
.brand-sub { font-size: 12px; opacity: 0.8; }
.nav { padding: 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.nav-item.active { background: #fff; color: var(--blue); }
.nav-item.highlight { background: rgba(227, 38, 46, 0.95); color: #fff; }
.nav-item.highlight.active { background: #fff; color: var(--brand); }
.sidebar-foot {
  padding: 14px 16px calc(14px + var(--safe-b));
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.user-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.user-ic { display: inline-flex; opacity: 0.9; }
.user-email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: 0.95; font-weight: 600; }
.logout-btn {
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.logout-btn:hover { background: rgba(255, 255, 255, 0.22); }
.db-status { opacity: 0.85; }
.db-status.ok::before { content: "● "; color: #6ff0a8; }
.db-status.bad::before { content: "● "; color: #ffb1b1; }

/* 메인 */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; width: 100%; }
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  padding-top: max(14px, env(safe-area-inset-top));
  position: sticky;
  top: 0;
  background: rgba(244, 246, 251, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  z-index: 30;
}
.topbar h1 { font-size: 19px; margin: 0; letter-spacing: -0.5px; flex: 1; }
.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  color: var(--ink);
  flex-shrink: 0;
}
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.view { padding: 0 16px calc(40px + var(--safe-b)); }

/* ── 버튼 ── */
.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: background 0.15s, border 0.15s, transform 0.05s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  min-height: 40px;
}
.btn:hover { background: #f6f8fc; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.blue { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.blue:hover { background: var(--blue-dark); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); border-color: #f3c9c9; }
.btn.danger:hover { background: #fdeaea; }
.btn.sm { padding: 7px 11px; font-size: 12.5px; min-height: 34px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── 카드 / KPI ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.kpi .kpi-label { color: var(--muted); font-size: 12.5px; font-weight: 600; }
.kpi .kpi-value { font-size: 23px; font-weight: 800; margin-top: 6px; letter-spacing: -1px; }
.kpi .kpi-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.kpi.accent .kpi-value { color: var(--brand); }
.kpi.blue .kpi-value { color: var(--blue); }

.panel { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; }
.panel-head h2 { font-size: 15.5px; margin: 0; display: flex; align-items: center; gap: 8px; }
.panel-head h2 .ic { color: var(--blue); }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 16px; }

/* ── 필터 ── */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; flex: 1 1 130px; min-width: 0; }
.field label { font-size: 11px; color: var(--muted); font-weight: 600; padding-left: 2px; }
input, select, textarea {
  font-family: inherit;
  font-size: 16px; /* iOS 줌 방지 */
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 93, 170, 0.12); }

/* ── 테이블 ── */
.table-wrap { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  position: sticky;
  top: 0;
  background: #f7f9fc;
  text-align: left;
  padding: 11px 12px;
  font-weight: 700;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
thead th.no-sort { cursor: default; }
thead th .arrow { opacity: 0.4; font-size: 10px; }
tbody td { padding: 11px 12px; border-bottom: 1px solid #f0f2f7; white-space: nowrap; }
tbody tr:hover { background: #fafbfe; }
tfoot td { padding: 12px; font-weight: 800; background: #f7f9fc; border-top: 2px solid var(--line); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.tag { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 700; }
.tag.web { background: #e7f0fb; color: var(--blue); }
.tag.book { background: #eef0f4; color: #5a6679; }
.tag.tax { background: #fde7e7; color: var(--brand); }
.tag.free { background: #e8f6ee; color: var(--ok); }
.tag.card { background: #ece9fb; color: #5b3fd1; display: inline-flex; align-items: center; gap: 4px; }
.tag.cash { background: #e3f3ec; color: #1a9c5b; display: inline-flex; align-items: center; gap: 4px; }
.tag.card svg, .tag.cash svg { display: block; }

/* 원본(raw) 영수증 텍스트 */
.raw-text {
  margin: 10px 0 0; padding: 12px 14px; background: #f6f8fb;
  border: 1px solid var(--line); border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: 1.55; white-space: pre-wrap; word-break: break-all;
  max-height: 360px; overflow: auto; color: #2b3445;
}
.raw-btn { margin-top: 12px; }

/* 영수증요약 펼침 영역의 품목 리스트(테이블) */
.receipt-items { box-shadow: none; border: 1px solid var(--line); }
.receipt-items table { font-size: 13px; }
.receipt-items .icon-btn { padding: 6px; }

/* 영수증요약 테이블: 펼침 버튼 + 상세 행 */
.summary-table .exp-col { width: 1%; padding-right: 0; text-align: center; }
.sum-row { cursor: pointer; }
.sum-row:hover { background: #f1f6fd; }
.sum-row.open { background: #eaf2fc; }
.exp-btn { padding: 5px; color: var(--muted); }
.exp-btn svg { display: block; transition: transform 0.2s; transform: rotate(-90deg); }
.exp-btn.open svg { transform: rotate(0deg); }
.sum-detail > td { padding: 0; background: #f8fafd; border-top: none; }
.sum-detail-box { padding: 14px 16px 18px; }

/* 영수증 도구 모음 (PDF 보기 / 원본 보기) */
.receipt-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* 인앱 PDF 뷰어 */
.pdf-viewer { width: 100%; }
.pdf-frame { width: 100%; height: 72vh; border: 1px solid var(--line); border-radius: 8px; background: #f6f8fb; }
.cat-chip { display: inline-block; padding: 3px 9px; border-radius: 6px; font-size: 11.5px; font-weight: 600; background: #eef1f6; color: #44506a; }
.row-actions { display: flex; gap: 4px; }
.icon-btn {
  border: none;
  background: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  opacity: 0.7;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { opacity: 1; background: #eef1f6; }
.icon-btn.danger { color: var(--bad); }

/* ── 모달 ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 24, 38, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  overflow: auto;
}
.modal {
  background: #fff;
  border-radius: 18px 18px 0 0;
  width: 100%;
  max-width: 600px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: sheet 0.2s ease;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  margin-top: auto;
}
.modal.wide { max-width: 960px; }
@keyframes sheet { from { transform: translateY(30px); opacity: 0; } }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 16.5px; }
.modal-body { padding: 18px 20px; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.modal-foot { padding: 14px 20px calc(14px + var(--safe-b)); border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .field { gap: 5px; flex: none; }

/* ── 업로드 ── */
.dropzone { border: 2px dashed #c2cce0; border-radius: 14px; background: #fff; padding: 36px 18px; text-align: center; cursor: pointer; transition: border 0.15s, background 0.15s; }
.dropzone:hover, .dropzone.drag { border-color: var(--brand); background: #fff7f7; }
.dropzone .dz-icon { color: var(--brand); }
.dropzone .dz-title { font-size: 16px; font-weight: 700; margin-top: 10px; }
.dropzone .dz-sub { color: var(--muted); margin-top: 6px; font-size: 13px; }
.validate-banner { display: flex; gap: 12px; flex-wrap: wrap; padding: 13px 14px; border-radius: 10px; margin-bottom: 14px; font-weight: 600; font-size: 13px; }
.validate-banner.ok { background: #e8f6ee; color: var(--ok); }
.validate-banner.warn { background: #fdf3e3; color: var(--warn); }
.chk { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; cursor: pointer; }
.chk input { width: auto; }

/* ── 토스트 ── */
#toast-root { position: fixed; bottom: calc(20px + var(--safe-b)); left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 10px; z-index: 200; width: calc(100% - 32px); max-width: 380px; }
.toast { background: #1c2536; color: #fff; padding: 13px 18px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); font-weight: 600; animation: slideUp 0.2s ease; }
.toast.ok { background: #16794a; }
.toast.bad { background: #b62c2c; }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } }

.empty { text-align: center; color: var(--muted); padding: 36px 16px; }
.spinner { width: 18px; height: 18px; border: 2px solid #cfd6e4; border-top-color: var(--blue); border-radius: 50%; display: inline-block; animation: spin 0.7s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.bar-mini { height: 8px; background: #eef1f6; border-radius: 6px; overflow: hidden; min-width: 60px; }
.bar-mini > span { display: block; height: 100%; background: var(--blue); }
.muted { color: var(--muted); }
.chart-box { position: relative; height: 240px; }
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { display: inline-flex; align-items: center; gap: 6px; background: #eef1f6; border-radius: 20px; padding: 7px 9px 7px 13px; font-weight: 600; font-size: 13px; }
.pill button { border: none; background: #dfe4ee; width: 22px; height: 22px; border-radius: 50%; cursor: pointer; line-height: 1; display: inline-flex; align-items: center; justify-content: center; color: var(--ink); }
.pill button:hover { background: #ccd3e0; }

/* ── 보기 모드 전환 바 ── */
.viewbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.seg { display: inline-flex; background: #eef1f6; border-radius: 10px; padding: 3px; gap: 2px; }
.seg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; background: transparent; color: var(--muted);
  padding: 8px 12px; border-radius: 8px; font-weight: 700; font-size: 13px;
  cursor: pointer; font-family: inherit; min-height: 36px;
}
.seg-btn.active { background: #fff; color: var(--blue); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.sortwrap { display: flex; align-items: center; gap: 8px; }
.sortlbl { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); font-size: 12px; font-weight: 600; white-space: nowrap; }
.sortwrap select { width: auto; padding: 8px 10px; font-size: 14px; }

/* 합계 요약 바 (카드/아코디언) */
.list-summary {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  background: #f7f9fc; border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 14px; margin-bottom: 12px; font-weight: 600; color: var(--muted); font-size: 13px;
}
.list-summary .ls-pay { color: var(--ink); font-weight: 800; font-size: 16px; }

/* ── 카드 보기 ── */
.pcards { display: grid; grid-template-columns: 1fr; gap: 12px; }
.pcard { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.pcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.pcard-name { font-weight: 700; font-size: 15px; line-height: 1.35; }
.pcard-pay { font-weight: 800; font-size: 16px; color: var(--brand); white-space: nowrap; }
.pcard-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.pcard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 14px; margin-top: 12px; }
.pcard-grid > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pcard-grid label { font-size: 11px; color: var(--muted); font-weight: 600; }
.pcard-grid b { font-size: 13.5px; font-weight: 700; }
.pcard-foot { display: flex; justify-content: flex-end; margin-top: 10px; padding-top: 10px; border-top: 1px solid #f0f2f7; }
.pcard-foot .icon-btn { padding: 8px; }

/* ── 아코디언 보기 ── */
.acc-list { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.acc-item { border-bottom: 1px solid #f0f2f7; }
.acc-item:last-child { border-bottom: none; }
.acc-head {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: none; cursor: pointer; font-family: inherit;
  padding: 14px 16px; text-align: left; color: var(--ink);
}
.acc-head:hover { background: #fafbfe; }
.acc-chev { display: inline-flex; color: var(--muted); transition: transform 0.2s; flex-shrink: 0; }
.acc-item.open .acc-chev { transform: rotate(180deg); }
.acc-main { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.acc-name { font-weight: 700; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.acc-sub { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.acc-pay { font-weight: 800; font-size: 15px; color: var(--brand); white-space: nowrap; flex-shrink: 0; }
.acc-body { padding: 4px 16px 16px 44px; }
.acc-body .pcard-grid { margin-top: 0; }
.acc-body .pcard-foot { border-top: none; padding-top: 6px; }

/* ── 요약 카드 (구매내역/영수증요약 상단) ── */
.summary-cards { margin-bottom: 14px; }
.summary-cards .kpi-value { font-size: 20px; }
.summary-cards .card { padding: 14px 16px; }

/* ── 페이지네이션 ── */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.pager-info { color: var(--muted); font-size: 13px; }
.pager-nav { display: flex; align-items: center; gap: 8px; }
.pager-cur { font-weight: 700; font-size: 13px; min-width: 54px; text-align: center; }
.pager-size { width: auto; padding: 7px 10px; font-size: 14px; }

/* 클릭 가능한 행 (영수증요약 → 상세) */
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f1f6fd; }
.chev-cell { text-align: right; color: var(--muted); width: 1%; padding-left: 0; }
.chev-cell svg { display: inline-block; }

/* 상세 페이지 */
.back-btn { margin-bottom: 14px; }
.detail-head .panel-head { margin-bottom: 14px; flex-wrap: wrap; }

/* ════ 데스크톱 (≥ 900px) ════ */
@media (min-width: 900px) {
  .sidebar { transform: none; position: sticky; }
  body.nav-open .sidebar { transform: none; }
  .scrim { display: none; }
  .hamburger { display: none; }
  .topbar { padding: 20px 28px; }
  .topbar h1 { font-size: 22px; }
  .view { padding: 0 28px 40px; }
  .panel { padding: 20px; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .modal-backdrop { align-items: flex-start; padding: 50px 16px; }
  .modal { border-radius: 16px; margin-top: 0; }
  @keyframes sheet { from { transform: translateY(8px) scale(0.98); opacity: 0; } }
  #toast-root { left: auto; right: 22px; transform: none; }
  .kpi .kpi-value { font-size: 26px; }
  .pcards { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
  .pcard-grid { grid-template-columns: repeat(4, 1fr); }
}

/* 아주 작은 화면: 폼 1열 */
@media (max-width: 520px) {
  .form-grid { grid-template-columns: 1fr; }
  .topbar-actions .btn span.lbl { display: none; } /* 아이콘만 */
}