:root {
  --bg: #f4f5f7; --surface: #ffffff; --surface2: #f8f9fb; --line: #e3e6ea; --text: #1d2330; --muted: #677084;
  --accent: #1f5fbf; --accent-soft: #e8f0fc; --ok: #1e7f4f; --amber: #b76e00; --red: #c0352b;
  --edit: #fffbea; --edit-line: #f0dca0;
  --bk0: #2e9e6a; --bk1: #7cb342; --bk2: #e3b21a; --bk3: #f08c1a; --bk4: #e0602a; --bk5: #cf3b2e; --bk6: #8e1f1a;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --surface: #1a1e26; --surface2: #20252f; --line: #2d3340; --text: #e6e9ef; --muted: #98a1b3;
    --accent: #6ea2ff; --accent-soft: #1d2b44; --ok: #4cc38a; --amber: #f0a830; --red: #ff6b5e;
    --edit: #2a2718; --edit-line: #5a4f25; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; }
h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 18px; margin: 0 0 8px; } h3 { font-size: 15px; margin: 0; }
a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); } .small { font-size: 12px; } .hidden { display: none !important; }
.nowrap { white-space: nowrap; } .red { color: var(--red); } .amber { color: var(--amber); }

/* top bar */
.topbar { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; } .brand small { display: block; color: var(--muted); font-size: 12px; }
.logo { width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; }
.brand.big { margin-bottom: 8px; } .brand.big .logo { width: 40px; height: 40px; font-size: 20px; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); }
.topbar nav a.on, .topbar nav a:hover { background: var(--accent-soft); color: var(--accent); }
.who { display: flex; align-items: center; gap: 4px; } .who > span { margin-right: 10px; } .who span { text-align: right; } .who small { display: block; color: var(--muted); font-size: 11px; }
.who form { margin: 0; }

main.wrap { padding: 20px 24px 40px; max-width: 1600px; margin: 0 auto; }
main.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; box-shadow: var(--shadow); }
.cardhead { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.pagehead { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.pagehead p { margin: 0; } .actions { display: flex; gap: 8px; align-items: center; }
.warn { color: var(--red); font-weight: 600; margin-top: 4px !important; }

/* forms and buttons */
input, select { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
label.check { flex-direction: row; align-items: center; gap: 6px; font-weight: 400; color: var(--text); font-size: 13px; }
label.row { padding: 6px 0; }
button, .btn { font: inherit; cursor: pointer; border-radius: 6px; padding: 7px 14px; border: 1px solid var(--line); background: var(--surface); color: var(--text); display: inline-block; }
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.primary:hover { color: #fff; filter: brightness(1.08); }
.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid; }
.flash.ok { background: color-mix(in srgb, var(--ok) 10%, var(--surface)); border-color: var(--ok); }
.flash.error { background: color-mix(in srgb, var(--red) 10%, var(--surface)); border-color: var(--red); }
.auth { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 14px; }
.auth input { padding: 10px; } .auth .primary { padding: 10px; }

/* filters + kpis */
.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; padding: 12px 16px; }
.filters .grow { flex: 1; min-width: 200px; } .filters .check { padding-bottom: 8px; }
.kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi { display: flex; flex-direction: column; gap: 2px; border-top: 3px solid var(--accent); }
.kpi.amber { border-top-color: var(--amber); } .kpi.red { border-top-color: var(--red); } .kpi.green { border-top-color: var(--ok); }
.kpi .label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.kpi strong { font-size: 24px; font-variant-numeric: tabular-nums; } .kpi .sub { color: var(--muted); font-size: 12px; }
.grid2 { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; margin-bottom: 16px; }

/* ageing bars */
.bars { display: flex; flex-direction: column; gap: 6px; }
.bar { display: grid; grid-template-columns: 80px 1fr 90px; align-items: center; gap: 10px; border: 0; padding: 4px 6px; text-align: left; background: transparent; }
.bar:hover { background: var(--surface2); color: var(--text); } .bar.on { background: var(--accent-soft); } .bar.dim { opacity: .45; }
.track { height: 18px; background: var(--surface2); border-radius: 4px; overflow: hidden; }
.fill { display: block; height: 100%; border-radius: 4px; }
.bval { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; } .blabel { color: var(--muted); font-size: 13px; }
.bk0 { --c: var(--bk0); } .bk1 { --c: var(--bk1); } .bk2 { --c: var(--bk2); } .bk3 { --c: var(--bk3); }
.bk4 { --c: var(--bk4); } .bk5 { --c: var(--bk5); } .bk6 { --c: var(--bk6); }
.fill.bk { background: var(--c); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; white-space: nowrap;
  color: var(--c, var(--muted)); background: color-mix(in srgb, var(--c, var(--muted)) 14%, transparent); }

/* tables */
.scroll { overflow: auto; } .scroll.table { max-height: 70vh; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--surface); position: sticky; top: 0; z-index: 1; white-space: nowrap; }
.num { text-align: right; } .strong { font-weight: 600; } td.zero { color: var(--muted); }
table.mini td, table.mini th { padding: 6px 8px; } table.mini td.num { white-space: nowrap; }
tr.click { cursor: pointer; } tr.click:hover td, table.grid tbody tr:hover td { background: var(--surface2); }
tfoot td { font-weight: 600; background: var(--surface2); position: sticky; bottom: 0; border-top: 2px solid var(--line); }
th.sortable { cursor: pointer; user-select: none; } th.sorted { color: var(--text); }
th.tl::before { content: "🔒 "; font-size: 10px; opacity: .55; }
th.te { background: var(--edit); } th.te::before { content: "✎ "; } th.tb { color: var(--muted); }
td.party { font-weight: 500; min-width: 200px; }
table.grid td { white-space: nowrap; } table.grid td.party { white-space: normal; }
td.ed { background: var(--edit); padding: 3px 5px; }
td.ed input, td.ed select { width: 100%; min-width: 120px; padding: 4px 6px; background: transparent; border-color: var(--edit-line); }
td.ed input.saving, td.ed select.saving { opacity: .5; }
td.ed input.saved, td.ed select.saved { border-color: var(--ok); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ok) 25%, transparent); }
.tablecard { padding: 0; } .tablecard .scroll { border-top: 1px solid var(--line); }
.tabs { display: flex; gap: 4px; padding: 10px 12px; align-items: center; flex-wrap: wrap; }
.tab { border: 0; border-radius: 6px; } .tab.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.legend { margin-left: auto; } .legend .lock::before { content: "🔒"; } .legend .pen::before { content: "✎"; background: var(--edit); padding: 0 4px; }
.more { text-align: center; padding: 8px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px); background: var(--text); color: var(--bg);
  padding: 8px 16px; border-radius: 8px; transition: transform .2s, opacity .2s; z-index: 20; opacity: 0; visibility: hidden; }
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; visibility: visible; } .toast.bad { background: var(--red); color: #fff; }

/* admin */
details summary { cursor: pointer; list-style: none; } details[open] summary { margin-bottom: 12px; }
.formgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: start; }
fieldset { border: 1px solid var(--line); border-radius: 6px; grid-column: span 2; display: flex; flex-wrap: wrap; gap: 6px 16px; }
legend { font-size: 12px; color: var(--muted); font-weight: 600; }
.users td { vertical-align: top; } .users td input[name=full_name] { display: block; margin-top: 4px; width: 100%; }
.branchcell .wrapchk { display: flex; flex-wrap: wrap; gap: 4px 12px; max-width: 420px; }
details.card, main > .card { margin-bottom: 16px; }

@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(3, 1fr); } .grid2 { grid-template-columns: minmax(0,1fr); } }
@media (max-width: 700px) {
  main.wrap { padding: 12px 16px 32px; } .topbar { flex-wrap: wrap; padding: 8px 16px; gap: 8px; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; } .kpis { grid-template-columns: 1fr 1fr; }
  .formgrid { grid-template-columns: 1fr; } fieldset { grid-column: auto; } .legend { margin-left: 0; }
}

.narrow { max-width: 520px; }
code { font-size: 12px; background: var(--surface2); padding: 1px 4px; border-radius: 4px; word-break: break-all; }
.danger { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.danger h3, .danger p { width: 100%; margin: 0; }
.dangerbtn { border-color: var(--red); color: var(--red); }
td.info { color: var(--muted); }