:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --line: #e4e9f0;
  --ink: #1d2733;
  --muted: #7a8699;
  --primary: #1f4e79;
  --primary-soft: #e8f0f9;
  --accent: #2f7cf6;
  --green: #1a9e6e;
  --green-soft: #e5f6ef;
  --amber: #b8860b;
  --amber-soft: #fdf3dc;
  --red: #d64545;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20, 40, 70, .06), 0 4px 16px rgba(20, 40, 70, .06);
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 14px;
}

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, #1f4e79, #2f7cf6); color: #fff; font-size: 20px;
}
.brand-name { font-weight: 700; font-size: 16px; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.company-switch { display: flex; gap: 8px; }
.company-switch button {
  border: 1px solid var(--line); background: #fff; padding: 8px 16px;
  border-radius: 999px; cursor: pointer; font-size: 13px; color: var(--ink);
  transition: all .15s;
}
.company-switch button.active {
  background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600;
}
.company-switch button .cur { opacity: .7; font-size: 11px; margin-left: 4px; }

.tabs { display: flex; gap: 4px; padding: 10px 28px 0; }
.tab {
  border: none; background: transparent; padding: 10px 18px; cursor: pointer;
  font-size: 14px; color: var(--muted); border-radius: 10px 10px 0 0;
}
.tab.active { background: var(--card); color: var(--primary); font-weight: 700; }

main { padding: 0 28px 40px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.card {
  background: var(--card); border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--line);
}
h2 { font-size: 17px; margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 12.5px; margin-bottom: 14px; line-height: 1.6; }
.row-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

.btn {
  border: 1px solid var(--line); background: #fff; padding: 8px 16px; border-radius: 8px;
  cursor: pointer; font-size: 13px; color: var(--ink); transition: all .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #173c5e; }
.btn.success { background: var(--green); border-color: var(--green); color: #fff; }
.btn.success:hover { background: #157c56; }
.btn.danger:hover { border-color: var(--red); color: var(--red); }
.btn.small { padding: 5px 12px; font-size: 12px; }

.upload-zone {
  border: 2px dashed #c3d0e0; border-radius: var(--radius); padding: 36px;
  text-align: center; color: var(--muted); cursor: pointer; transition: all .15s;
  background: #fafcfe;
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--accent); background: var(--primary-soft); }
.upload-icon { font-size: 26px; margin-bottom: 6px; }

.doc-item {
  display: flex; align-items: center; gap: 14px; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 16px; margin-top: 12px; background: #fff;
}
.doc-item .fname { font-weight: 600; }
.doc-item .preview { color: var(--muted); font-size: 12px; margin-top: 4px; max-width: 520px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-item .spacer { flex: 1; }

.entry-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-top: 12px;
}
.entry-card.draft { border-left: 4px solid var(--amber); background: #fffdf6; }
.entry-card.confirmed { border-left: 4px solid var(--green); background: #fbfefd; }
.entry-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.entry-head .date { font-weight: 700; }
.badge { padding: 2px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.badge.draft { background: var(--amber-soft); color: var(--amber); }
.badge.confirmed { background: var(--green-soft); color: var(--green); }
.entry-head .src { color: var(--muted); font-size: 12px; }
.entry-head .spacer { flex: 1; }
.line-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.line-table th, .line-table td {
  border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; font-size: 13px;
}
.line-table th { color: var(--muted); font-size: 12px; font-weight: 600; }
.line-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.line-table select, .line-table input {
  width: 100%; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; font-size: 13px;
}
.entry-actions { display: flex; gap: 8px; margin-top: 10px; justify-content: flex-end; }

.period-bar { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.period-bar input { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; }

.report-block { margin-top: 22px; }
.report-title { text-align: center; margin-bottom: 12px; }
.report-title h3 { font-size: 16px; }
.report-title .en { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.report-title .period { color: var(--muted); font-size: 12px; margin-top: 4px; }
.report-table { width: 100%; border-collapse: collapse; background: #fff; }
.report-table th {
  background: var(--primary); color: #fff; padding: 8px 12px; font-size: 13px; text-align: left;
}
.report-table th.num, .report-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.report-table td { padding: 7px 12px; border-bottom: 1px solid var(--line); font-size: 13px; }
.report-table tr.grp td { background: var(--primary-soft); font-weight: 700; }
.report-table tr.item td:first-child { padding-left: 26px; }
.report-table tr.subtotal td { background: #f6f8fb; font-weight: 700; }
.report-table tr.grand td { background: #fdf3dc; font-weight: 800; border-top: 2px solid var(--primary); }
.pos { color: var(--ink); }
.neg { color: var(--red); }

.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 25, 40, .4); z-index: 50;
  display: grid; place-items: center;
}
.modal-mask[hidden] { display: none !important; }
.modal {
  background: #fff; border-radius: 14px; padding: 22px 24px; width: min(760px, 94vw);
  max-height: 88vh; overflow: auto; box-shadow: 0 12px 48px rgba(0, 0, 0, .2);
}
.modal h3 { margin-bottom: 14px; }
.form-row { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { font-size: 13px; color: var(--muted); }
.form-row input {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px;
}
.form-row #mDesc { flex: 1; min-width: 220px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; align-items: center; }
.modal-actions .muted { margin: 0 auto 0 0; }
.line-del { border: none; background: none; color: var(--red); cursor: pointer; font-size: 15px; }

#toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: #1d2733; color: #fff; padding: 10px 20px; border-radius: 10px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 99;
}
#toast.show { opacity: 1; }
#toast.err { background: var(--red); }
.empty { color: var(--muted); text-align: center; padding: 30px 0; font-size: 13px; }

.tax-helper {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 12px; padding: 10px 14px; border: 1px dashed #c3d0e0;
  border-radius: 8px; background: #fafcfe; font-size: 12.5px;
}
.tax-helper .th-title { font-weight: 700; color: var(--primary); margin-right: 4px; }
.tax-helper label { color: var(--muted); }
.tax-helper input, .tax-helper select {
  padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; font-size: 12.5px;
}
.tax-helper input { width: 110px; }
.tax-helper select { max-width: 280px; }

.sst-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px;
  margin-bottom: 18px; background: #fafcfe;
}
.sst-card.warn { border-color: var(--amber); background: var(--amber-soft); }
.sst-card.over { border-color: var(--red); background: #fdecec; }
.sst-card h4 { font-size: 14px; margin-bottom: 6px; }
.sst-card .sst-bar { height: 8px; border-radius: 4px; background: #e4e9f0; overflow: hidden; margin: 8px 0; }
.sst-card .sst-bar > div { height: 100%; background: var(--accent); border-radius: 4px; }
.sst-card .sst-note { font-size: 12px; color: var(--muted); line-height: 1.7; }

.rc-chips { display: flex; gap: 10px; margin: 6px 0 14px; flex-wrap: wrap; }
.rc-chip {
  padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--line); background: #fff;
}
.rc-chip.ok { background: var(--green-soft); color: var(--green); border-color: transparent; }
.rc-chip.diff { background: #fdecec; color: var(--red); border-color: transparent; }
.rc-chip.ext { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.rc-chip.int { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.report-table tr.st-ok td:last-child { color: var(--green); font-weight: 600; }
.report-table tr.st-diff td { background: #fdf6f6; }
.report-table tr.st-diff td:last-child { color: var(--red); font-weight: 700; }
.report-table tr.st-only_external td { background: #fffdf3; }
.report-table tr.st-only_internal td { background: #f4f8fd; }

.audit-item {
  border: 1px solid var(--line); border-left: 4px solid var(--muted);
  border-radius: 10px; padding: 12px 16px; margin-top: 10px; background: #fff;
}
.audit-item.error { border-left-color: var(--red); background: #fffafa; }
.audit-item.warn { border-left-color: var(--amber); background: #fffdf6; }
.audit-item.info { border-left-color: var(--accent); }
.audit-item .a-title { font-weight: 700; display: flex; gap: 8px; align-items: center; }
.audit-item .a-cat { font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); }
.audit-item .a-detail { color: var(--muted); font-size: 12.5px; margin-top: 4px; line-height: 1.6; }
.audit-item .a-nos { margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; }
.audit-item .a-nos span {
  font-size: 11.5px; padding: 2px 8px; border-radius: 6px;
  background: #f0f3f8; border: 1px solid var(--line); font-weight: 600;
}
.close-banner {
  border-radius: 10px; padding: 12px 18px; margin-bottom: 14px; font-weight: 700; font-size: 14px;
}
.close-banner.ok { background: var(--green-soft); color: var(--green); }
.close-banner.no { background: #fdecec; color: var(--red); }

.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 14px 0; }
.dash-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: #fafcfe;
}
.dash-card .dc-label { font-size: 12px; color: var(--muted); }
.dash-card .dc-value { font-size: 22px; font-weight: 800; margin-top: 6px; font-variant-numeric: tabular-nums; }
.dash-card .dc-sub { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.dash-card.alert .dc-value { color: var(--red); }
.dash-section { margin-top: 18px; }
.dash-section h3 { font-size: 14px; margin-bottom: 8px; }
.lock-banner {
  border-radius: 10px; padding: 10px 16px; margin-bottom: 12px; font-size: 13px;
  display: flex; align-items: center; gap: 10px;
  background: var(--amber-soft); color: var(--amber); border: 1px solid #eed9a4;
}
.lock-banner .spacer { flex: 1; }

@media print {
  .topbar, .tabs, .period-bar, .sst-card, .btn, #toast { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; padding: 0; }
  .tab-pane { display: none !important; }
  .tab-pane.active { display: block !important; }
  .report-block { page-break-inside: avoid; margin-top: 18px; }
  .report-table th { background: #333 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .report-table tr.grp td { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}