:root {
  --ink: #14181f;
  --ink-2: #414c5c;
  --muted: #6b7684;
  --line: #dfe4ec;
  --line-2: #eef1f6;
  --bg: #f6f8fb;
  --card: #ffffff;
  --brand: #1f3a5f;
  --brand-2: #2f5c96;
  --ok: #1b6e3c;
  --ok-bg: #e8f5ec;
  --warn: #9a6b00;
  --warn-bg: #fdf4e0;
  --bad: #b3261e;
  --bad-bg: #fdeceb;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(20, 24, 31, .06), 0 1px 3px rgba(20, 24, 31, .04);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------- nav */

.topbar {
  background: var(--brand);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  min-height: 48px;
}
.brand {
  font-weight: 700;
  color: #fff;
  margin-right: 12px;
  white-space: nowrap;
  font-size: 14px;
}
.brand:hover { text-decoration: none; }
.topbar nav { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
.topbar nav a {
  color: #cfdcec;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
}
.topbar nav a:hover { background: rgba(255, 255, 255, .1); color: #fff; text-decoration: none; }
.topbar nav a.on { background: rgba(255, 255, 255, .16); color: #fff; font-weight: 600; }
.topbar form { margin: 0; }
.whoami { font-size: 12px; color: #a9bdd6; margin-right: 8px; white-space: nowrap; }

/* ----------------------------------------------------------------- layout */

main { max-width: 1280px; margin: 0 auto; padding: 18px 16px 64px; }
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
h1 { font-size: 20px; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 10px; }
h3 { font-size: 13px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.sub { color: var(--muted); font-size: 13px; margin: 2px 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card.tight { padding: 12px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.side { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

/* ------------------------------------------------------------------ stats */

.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.stat .k { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.stat .v { font-size: 24px; font-weight: 650; margin-top: 4px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat .n { font-size: 12px; color: var(--muted); margin-top: 3px; }
.stat.bad .v { color: var(--bad); }
.stat.ok .v { color: var(--ok); }

/* ----------------------------------------------------------------- tables */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  font-weight: 650;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  background: var(--card);
}
td { padding: 9px 10px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
tbody tr:hover { background: #fbfcfe; }
tr.total td { font-weight: 650; border-top: 2px solid var(--line); background: #fafbfd; }
tr.dim td { color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
td.tight, th.tight { width: 1%; }
.empty { padding: 28px 12px; text-align: center; color: var(--muted); font-size: 13px; }

/* ------------------------------------------------------------------ badges */

.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge.scheduled { background: #eef2f7; color: var(--ink-2); }
.badge.paid, .badge.completed { background: var(--ok-bg); color: var(--ok); }
.badge.partial { background: var(--warn-bg); color: var(--warn); }
.badge.late, .badge.defaulted { background: var(--bad-bg); color: var(--bad); }
.badge.written_off, .badge.cancelled { background: #f0f1f3; color: var(--muted); text-decoration: line-through; }
.badge.active { background: #e7effa; color: var(--brand-2); }
.badge.phase { background: #f0f1f3; color: var(--muted); }

/* ------------------------------------------------------------------ alerts */

.alert {
  border-radius: var(--radius);
  padding: 11px 14px;
  margin-bottom: 10px;
  font-size: 13px;
  border: 1px solid;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.alert b { flex-shrink: 0; }
.alert.critical { background: var(--bad-bg); border-color: #f3c9c6; color: #7e1a15; }
.alert.warning, .alert.warn { background: var(--warn-bg); border-color: #f0dcae; color: #6d4c00; }
.alert.info { background: #eef4fb; border-color: #cfe0f2; color: #1c3f68; }
.alert.ok { background: var(--ok-bg); border-color: #bfe3cb; color: #14522c; }
.alert.error { background: var(--bad-bg); border-color: #f3c9c6; color: #7e1a15; }

.note {
  font-size: 12px;
  color: var(--muted);
  background: #f8fafc;
  border-left: 3px solid var(--line);
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
  margin: 10px 0;
}

/* ------------------------------------------------------------------- forms */

label { display: block; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }
label .opt { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], select, textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid #bcd4f0;
  outline-offset: -1px;
  border-color: var(--brand-2);
}
textarea { resize: vertical; min-height: 60px; }
.field { margin-bottom: 12px; }
.field .hint { font-size: 11px; color: var(--muted); margin-top: 3px; line-height: 1.4; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; min-width: 0; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 0 0 16px; }
legend { font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 0 6px; }

.btn {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: #f4f6fa; text-decoration: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #2a4d7d; }
.btn.danger { color: var(--bad); border-color: #eec4c1; }
.btn.danger:hover { background: var(--bad-bg); }
.btn.sm { padding: 4px 9px; font-size: 12px; font-weight: 500; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.inline-form { display: inline-flex; gap: 6px; align-items: center; margin: 0; }
.inline-form input[type=text] { width: auto; min-width: 120px; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.tabs a {
  padding: 7px 12px;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-weight: 500;
}
.tabs a.on { color: var(--brand); border-bottom-color: var(--brand); font-weight: 650; }
.tabs a:hover { text-decoration: none; color: var(--ink); }

/* ------------------------------------------------------------------- chart */

.chart { width: 100%; height: auto; display: block; }
.chart .band { fill: #2f5c96; opacity: .10; }
.chart .line { fill: none; stroke: var(--brand); stroke-width: 2.5; stroke-linejoin: round; }
.chart .dot { fill: #fff; stroke: var(--brand); stroke-width: 2; }
.chart .dot.bad { stroke: var(--bad); fill: var(--bad); }
.chart .bar-in { fill: #7fb08a; }
.chart .bar-out { fill: #d99a94; }
.chart .thresh { stroke: var(--bad); stroke-width: 1.2; stroke-dasharray: 5 4; }
.chart .zero { stroke: var(--line); stroke-width: 1; }
.chart .axis { font-size: 10px; fill: var(--muted); }
.chart .gridline { stroke: var(--line-2); stroke-width: 1; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 11.5px; color: var(--muted); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 11px; height: 11px; border-radius: 2px; display: inline-block; }

/* ------------------------------------------------------------------- misc */

.login-wrap { max-width: 340px; margin: 12vh auto; padding: 0 16px; }
.login-wrap h1 { text-align: center; margin-bottom: 4px; }
.login-wrap .sub { text-align: center; margin-bottom: 20px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.small { font-size: 12px; }
.muted { color: var(--muted); }
.bad { color: var(--bad); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.right { text-align: right; }
.mt { margin-top: 16px; }
.mb0 { margin-bottom: 0; }
.strike { text-decoration: line-through; opacity: .6; }

details.inline > summary { cursor: pointer; font-size: 12px; color: var(--brand-2); list-style: none; }
details.inline > summary::-webkit-details-marker { display: none; }
details.inline > summary::before { content: "▸ "; }
details.inline[open] > summary::before { content: "▾ "; }
details.inline > div { padding-top: 10px; }

.sched-row { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.sched-row input[type=date] { flex: 0 0 148px; }
.sched-row input[type=text] { flex: 0 0 120px; }
.sched-row .seq { width: 26px; color: var(--muted); font-size: 12px; text-align: right; flex-shrink: 0; }
.sched-row .paid-note { font-size: 11px; color: var(--ok); }

@media print {
  .topbar, .actions, .no-print, form { display: none !important; }
  body { background: #fff; }
  .card { border: none; box-shadow: none; padding: 0; }
  main { max-width: none; padding: 0; }
  table { font-size: 10px; }
}

@media (max-width: 900px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.side { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  main { padding: 12px 12px 48px; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: minmax(0, 1fr); }
  .stat .v { font-size: 20px; }
  h1 { font-size: 17px; }
  .table-wrap { margin: 0 -12px; padding: 0 12px; }
  .whoami { display: none; }
  .topbar nav a { padding: 6px 8px; font-size: 12.5px; }
}