/* Palette carried over from the existing weekly receivables report, so the
   system and the report read as one thing: navy for structure, brick for attention. */
:root {
  --navy: #1d3557;
  --navy-soft: #3a5578;
  --brick: #b22222;
  --blush: #fdf2f2;
  --mist: #e9ecef;
  --paper: #ffffff;
  --page: #f6f5f2;
  --ink: #1f2933;
  --ink-2: #52606d;
  --line: #d9dde2;
  --good: #1f7a4d;
  --warn: #9a5b00;
  --warn-bg: #fff5e0;
  --serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.6 var(--sans); }
h1, h2, h3 { font-family: var(--serif); color: var(--navy); margin: 0; }
h2 { font-size: 18px; margin: 28px 0 12px; }
p { margin: 0 0 8px; }
ul { margin: 4px 0 12px; padding-left: 20px; }

.masthead { background: var(--paper); border-bottom: 3px solid var(--navy); padding: 20px clamp(16px, 4vw, 48px) 0; }
.masthead-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.masthead h1 { font-size: 26px; letter-spacing: 1px; }
.meta { color: var(--ink-2); font-size: 12px; margin: 2px 0 0; }
.masthead-tools { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.month-picker { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 12px; }
.tabs { display: flex; gap: 2px; margin: 14px 0 -3px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tab { border: 0; background: none; padding: 9px 16px; font: inherit; color: var(--ink-2); cursor: pointer; border-bottom: 3px solid transparent; white-space: nowrap; }
.tab:hover { color: var(--navy); }
.tab.active { color: var(--navy); font-weight: 700; border-bottom-color: var(--brick); }

.page { padding: 24px clamp(16px, 4vw, 48px) 64px; max-width: 1360px; margin: 0 auto; }

.summary { background: var(--blush); border-left: 4px solid var(--brick); padding: 14px 18px; font-size: 15px; margin-bottom: 20px; }

.kpis { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; background: var(--paper); border: 1px solid var(--line); }
.kpi { padding: 16px 20px; border-left: 1px solid var(--line); min-width: 0; }
.kpi:first-child { border-left: 0; }
.kpi.accent { border-top: 3px solid var(--brick); padding-top: 13px; }
.kpi-label { color: var(--ink-2); font-size: 12px; }
.kpi-value { font: 700 30px/1.25 var(--serif); color: var(--navy); font-variant-numeric: tabular-nums; }
.kpi.accent .kpi-value { font-size: 42px; color: var(--brick); }
.kpi-value small { font: 400 13px var(--sans); color: var(--ink-2); margin-left: 4px; }
.kpi-note { color: var(--ink-2); font-size: 12px; }

.progress { margin-top: 16px; }
.progress-head { display: flex; justify-content: space-between; gap: 12px; color: var(--ink-2); font-size: 13px; margin-bottom: 4px; }
.progress-head strong { color: var(--navy); }

.split { display: grid; grid-template-columns: 3fr 2fr; gap: 40px; }
.bars { display: flex; flex-direction: column; }
.bar-row { display: grid; grid-template-columns: minmax(90px, 200px) 1fr auto; align-items: center; gap: 12px; padding: 5px 4px; width: 100%; border: 0; background: none; font: inherit; color: inherit; text-align: left; border-bottom: 1px dashed var(--mist); }
.bar-row.clickable { cursor: pointer; }
.bar-row.clickable:hover { background: var(--mist); }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-value { font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.bar-track { display: block; background: var(--mist); height: 8px; border-radius: 0 4px 4px 0; overflow: hidden; }
.bar-track.big { height: 12px; border-radius: 6px; }
.bar-fill { display: block; height: 100%; background: var(--navy); border-radius: 0 4px 4px 0; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.chip { border: 1px solid var(--line); background: var(--paper); padding: 3px 12px; border-radius: 2px; font: inherit; font-size: 12px; color: var(--ink-2); cursor: pointer; }
.chip:hover { border-color: var(--navy); color: var(--navy); }
.chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.crumbs { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.crumb { border: 0; background: var(--blush); color: var(--brick); padding: 2px 10px; font: inherit; font-size: 12px; cursor: pointer; }

.panel { background: var(--paper); border: 1px solid var(--line); padding: 4px 20px 20px; margin-bottom: 20px; }
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.toolbar h2 { margin: 12px 0; flex: 1; }
.toolbar .btn:last-child:not(:first-child) { margin-left: auto; }
.check { display: inline-flex; align-items: center; gap: 6px; }
.check-result { border-top: 1px solid var(--mist); padding-top: 12px; }

.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); }
.panel .table-wrap { border: 0; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th { text-align: left; color: var(--navy); font-weight: 700; padding: 8px 10px; border-bottom: 2px solid var(--navy); white-space: nowrap; }
td { padding: 7px 10px; border-bottom: 1px solid var(--mist); vertical-align: top; }
tr:hover td { background: #fafafa; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge { display: inline-block; padding: 0 8px; font-size: 12px; border-radius: 2px; white-space: nowrap; }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-good { background: #e7f4ed; color: var(--good); }
.badge-bad { background: var(--blush); color: var(--brick); }
.badge-muted { background: var(--mist); color: var(--ink-2); }

.btn { display: inline-block; border: 1px solid var(--navy); background: var(--navy); color: #fff; padding: 6px 16px; font: inherit; border-radius: 2px; cursor: pointer; text-decoration: none; }
.btn:hover:not(:disabled) { background: var(--navy-soft); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: var(--paper); color: var(--navy); }
.btn.ghost:hover:not(:disabled) { background: var(--mist); }
.btn.small { padding: 2px 10px; font-size: 12px; }
.btn.wide { width: 100%; padding: 9px; margin-top: 8px; }
.link { border: 0; background: none; color: var(--navy); padding: 0; font: inherit; font-size: 13px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.link:hover { color: var(--brick); }
:focus-visible { outline: 2px solid var(--brick); outline-offset: 2px; }

input, select, textarea { font: inherit; color: inherit; border: 1px solid var(--line); background: var(--paper); padding: 5px 8px; border-radius: 2px; max-width: 100%; }
textarea { width: 100%; }
.field { display: block; margin-bottom: 12px; }
.field span { display: block; color: var(--ink-2); font-size: 12px; margin-bottom: 3px; }
.field input, .field select { width: 100%; }

.muted { color: var(--ink-2); }
.small { font-size: 12px; }
.warn-text { color: var(--warn); }
.form-error { color: var(--brick); min-height: 1em; }
.empty { color: var(--ink-2); padding: 18px 4px; }
.empty-state { padding: 64px 16px; text-align: center; }
.footnote { color: var(--ink-2); font-size: 12px; margin-top: 28px; border-top: 1px solid var(--line); padding-top: 8px; }
.pager { display: flex; justify-content: flex-end; align-items: center; gap: 10px; margin-top: 12px; }

.login { max-width: 360px; margin: 12vh auto 0; padding: 32px; background: var(--paper); border-top: 4px solid var(--navy); box-shadow: 0 12px 32px rgba(29, 53, 87, .1); }
.login h1 { font-size: 24px; margin-top: 14px; }
.login form { margin-top: 20px; }
.login-mark { display: inline-block; border: 2px solid var(--brick); color: var(--brick); font: 700 15px var(--serif); padding: 3px 6px; transform: rotate(-4deg); }

dialog.ask { border: 0; border-top: 4px solid var(--navy); padding: 22px 24px; width: min(440px, calc(100vw - 32px)); box-shadow: 0 16px 48px rgba(0, 0, 0, .25); }
dialog.ask::backdrop { background: rgba(29, 53, 87, .35); }
dialog.ask h3 { font-size: 18px; margin-bottom: 8px; }
.actions { display: flex; justify-content: flex-end; gap: 10px; }

.toast { position: fixed; right: 20px; bottom: 20px; max-width: min(460px, calc(100vw - 40px)); background: var(--navy); color: #fff; padding: 10px 16px; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); z-index: 20; }
.toast-error { background: var(--brick); }

@media (max-width: 900px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpi:nth-child(odd) { border-left: 0; }
  .kpi:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 480px) {
  .kpis { grid-template-columns: 1fr; }
  .kpi { border-left: 0; border-top: 1px solid var(--line); }
  .bar-row { grid-template-columns: 90px 1fr auto; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }