:root {
  --bg: #0f1117;
  --panel: #181b24;
  --panel-2: #1f2430;
  --border: #2a2f3c;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-2: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.topbar {
  display: flex; align-items: center; gap: 20px; padding: 12px 24px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: #fff; letter-spacing: .3px; }
.brand span { color: var(--accent); }
nav.main { display: flex; gap: 4px; }
nav.main a {
  padding: 6px 12px; border-radius: 6px; color: var(--muted); font-weight: 500;
}
nav.main a:hover { background: var(--panel-2); text-decoration: none; color: var(--text); }
nav.main a.active { background: var(--accent); color: #fff; }
.locform { margin-left: auto; }
.container { max-width: 1180px; margin: 0 auto; padding: 24px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 28px 0 12px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
h3 { font-size: 14px; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.subtitle { color: var(--muted); margin: 0 0 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 18px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
tbody tr:hover { background: var(--panel-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tfoot td { font-weight: 700; border-top: 2px solid var(--border); }
tr.rowgroup td { background: var(--panel-2); font-weight: 700; font-size: 13px;
  color: var(--accent); text-transform: uppercase; letter-spacing: .4px;
  border-top: 1px solid var(--border); padding-top: 10px; }
tr.subtotal td { font-weight: 700; border-top: 1px solid var(--border);
  border-bottom: 2px solid var(--border); color: var(--muted); }
tr.subtotal td.net { color: var(--accent-2); }
input, select, button {
  font: inherit; padding: 7px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
/* Inside a flex row, a field's stacking margin would push inputs above the
   buttons (rows bottom-align) — neutralize it so everything lines up. */
.row .field { margin-bottom: 0; }
button.btn, a.btn {
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  padding: 8px 14px; border-radius: 6px; font-weight: 600;
}
button.btn:hover, a.btn:hover { filter: brightness(1.1); text-decoration: none; }
button.btn.secondary, a.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
button.btn.danger { background: transparent; color: var(--danger); border: 1px solid transparent; padding: 4px 8px; }
button.btn.danger:hover { border-color: var(--danger); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.pill.ok { background: rgba(52,211,153,.15); color: var(--accent-2); }
.pill.off { background: rgba(154,163,178,.15); color: var(--muted); }
.pill.drink { background: rgba(79,140,255,.15); color: var(--accent); }
.pill.bottle { background: rgba(167,139,250,.18); color: #a78bfa; }
.pill.food { background: rgba(52,211,153,.15); color: var(--accent-2); }
.pill.excluded { background: rgba(248,113,113,.15); color: var(--danger); }
.alert { padding: 10px 14px; border-radius: 8px; margin: 6px 0; font-size: 13px; }
.alert.warn { background: rgba(251,191,36,.12); border: 1px solid rgba(251,191,36,.3); color: #fcd34d; }
.alert.error { background: rgba(248,113,113,.12); border: 1px solid rgba(248,113,113,.35); color: #fca5a5; }
.alert.ok { background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.3); color: #6ee7b7; }
.muted { color: var(--muted); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.kpi .label { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.kpi .value { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.audit-eq { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; color: var(--accent-2); }
details.basis { display: inline-block; }
details.basis > summary { cursor: pointer; list-style: none;
  text-decoration: underline dotted var(--accent); text-underline-offset: 3px; }
details.basis > summary::-webkit-details-marker { display: none; }
details.basis[open] > summary { color: var(--accent); }
.basis-pop { font-weight: 400; font-size: 11.5px; line-height: 1.45; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 9px; margin-top: 5px; text-align: left; white-space: normal; max-width: 300px; }
small.hint { color: var(--muted); font-size: 11px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }

/* Breakdown report (per-role columns) */
table.breakdown th, table.breakdown td { white-space: nowrap; }
table.breakdown th.grp {
  text-align: center; font-size: 11px; letter-spacing: .6px;
  border-bottom: 1px solid var(--border);
}
table.breakdown th.grp.pay { color: var(--accent); }
table.breakdown th.grp.recv { color: var(--accent-2); }
table.breakdown th.grp.net { color: var(--warn); }
table.breakdown th.pay, table.breakdown td.pay { background: rgba(79,140,255,.06); }
table.breakdown th.recv, table.breakdown td.recv { background: rgba(52,211,153,.06); }
table.breakdown td.net { color: var(--accent-2); }
table.breakdown td.zero { color: #4b5563; }

/* Date-range picker */
.rp-wrap { position: relative; display: inline-block; }
.rp-trigger {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 14px; border-radius: 8px; font-weight: 600; min-width: 320px;
}
.rp-trigger:hover { border-color: var(--accent); }
.rp-trigger .rp-cap { color: var(--muted); font-weight: 500; font-size: 12px; }
.rp-trigger .caret { margin-left: auto; color: var(--muted); }
.rp-pop {
  position: absolute; z-index: 50; top: calc(100% + 6px); left: 0;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,.5); padding: 6px;
}
.rp-pop[hidden] { display: none; }
.rp { display: flex; gap: 6px; }
.rp-presets { display: flex; flex-direction: column; gap: 2px; padding: 6px; min-width: 130px;
  border-right: 1px solid var(--border); }
.rp-presets button {
  text-align: left; background: transparent; border: none; color: var(--text);
  padding: 8px 12px; border-radius: 7px; cursor: pointer; font-size: 13px;
}
.rp-presets button:hover { background: var(--panel-2); }
.rp-presets button.active { background: var(--accent); color: #fff; }
.rp-cal { padding: 6px 8px; }
.rp-nav { display: flex; align-items: center; margin-bottom: 8px; }
.rp-nav button { background: transparent; border: none; color: var(--text); cursor: pointer;
  font-size: 18px; padding: 2px 10px; border-radius: 6px; }
.rp-nav button:hover { background: var(--panel-2); }
.rp-titles { flex: 1; display: flex; justify-content: space-around; font-weight: 700; }
.rp-grids { display: flex; gap: 18px; }
.rp-wd { display: grid; grid-template-columns: repeat(7, 30px); margin-bottom: 4px; }
.rp-wd span { text-align: center; font-size: 11px; color: var(--muted); }
.rp-days { display: grid; grid-template-columns: repeat(7, 30px); grid-auto-rows: 30px; }
.rp-day { width: 30px; height: 30px; border: none; background: transparent; color: var(--text);
  cursor: pointer; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.rp-day:hover { background: var(--panel-2); border-radius: 6px; }
.rp-blank { width: 30px; height: 30px; display: inline-block; }
.rp-day.rp-in { background: rgba(79,140,255,.16); border-radius: 0; }
.rp-day.rp-start, .rp-day.rp-end { background: var(--accent); color: #fff; font-weight: 700; border-radius: 6px; }
.rp-day.rp-anchor:not(.rp-start):not(.rp-end) { box-shadow: inset 0 0 0 1px var(--accent); border-radius: 6px; }
.rp-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--border); }
.rp-foot .rp-sel { font-weight: 600; font-size: 13px; }
.rp-foot .rp-hint { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.rp-foot button { margin-left: 6px; }
table.breakdown thead tr.group th { border-bottom: none; padding-bottom: 2px; }

/* Clickable breakdown cells -> calculation popover (fixed, so the table's
   horizontal scroll container doesn't clip it). */
details.calc { display: inline-block; }
details.calc > summary { cursor: pointer; list-style: none;
  text-decoration: underline dotted var(--accent); text-underline-offset: 3px; }
details.calc > summary::-webkit-details-marker { display: none; }
details.calc[open] > summary { color: var(--accent); font-weight: 700; }
.calc-pop { position: fixed; z-index: 100; width: 320px; max-width: 92vw;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 16px 48px rgba(0,0,0,.55); padding: 6px; text-align: left;
  max-height: 60vh; overflow-y: auto; font-weight: 400; }
table.calc-lines { width: 100%; font-size: 11.5px; }
table.calc-lines td { padding: 5px 7px; border-bottom: 1px solid var(--border);
  white-space: normal; vertical-align: top; }
table.calc-lines td.num { text-align: right; font-variant-numeric: tabular-nums;
  white-space: normal; padding-left: 10px; word-spacing: -1px; }
.calc-tot { font-weight: 700; padding: 6px 7px; text-align: right; font-size: 12px;
  color: var(--accent-2); }

/* Mistake / chargeback deduction cells (negative, red) */
td.num.mistake { color: var(--danger); }