:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #14202b;
  --muted: #5f6f7d;
  --line: #e2e7ec;
  /* logo colours: navy #012148, orange #fa8100, blue #4052fc */
  --brand: #012148;
  --brand-ink: #ffffff;
  --brand-soft: #e9eefb;
  --accent: #fa8100;
  --pos: #15803d;
  --neg: #b42318;
  --warn-bg: #fff7e6;
  --warn-ink: #8a5300;
  --err-bg: #fdecea;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--brand); }
button, input, textarea, select { font: inherit; }
.boot { padding: 40px; text-align: center; color: var(--muted); }

/* layout */
.top { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top-in { max-width: 1180px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 24px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; white-space: nowrap; }
.logo img { width: 28px; height: 28px; }
.logo img.full { width: auto; height: 38px; }
a.logo { text-decoration: none; }
.top { border-top: 3px solid var(--accent); }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); font-weight: 500; white-space: nowrap; }
.nav a.on { background: var(--brand-soft); color: var(--brand); }
.nav a:hover { color: var(--ink); }
.who { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 60px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 20px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.kpi .l { color: var(--muted); font-size: 13px; }
.kpi .v { font-size: 22px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi.big { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.kpi.big .l { color: rgba(255, 255, 255, .85); }

/* controls */
.btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-weight: 500; }
.btn:hover { border-color: #c9d2da; }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { color: var(--neg); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: default; }
.per-wrap { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.dates { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 4px 6px 4px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-size: 14px; color: var(--muted); }
.dates.on { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.dates label { display: inline-flex; align-items: center; gap: 6px; }
.dates input[type=date] { padding: 4px 6px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 7px 12px; cursor: pointer; color: var(--muted); }
.seg button.on { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], input[type=search], textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: #fff; color: var(--ink); min-width: 0;
}
input:focus, textarea:focus, .btn:focus-visible { outline: 2px solid rgba(64, 82, 252, .4); outline-offset: 1px; }
textarea { width: 100%; min-height: 180px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
label.f { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input.num { width: 90px; text-align: right; }

/* tables */
.tbl-wrap { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; padding: 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: #f8fafb; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
tfoot td { font-weight: 700; border-top: 2px solid var(--line); }
.pos { color: var(--pos); font-weight: 600; }
.neg { color: var(--neg); font-weight: 600; }
.mut { color: var(--muted); }
tr.miss td { background: var(--warn-bg); }
tr.dup td { color: var(--muted); text-decoration: line-through; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eef1f4; color: var(--muted); }
.tag.paid { background: #e7f6ec; color: var(--pos); }
.tag.draft { background: var(--warn-bg); color: var(--warn-ink); }
.tag.ret { background: var(--err-bg); color: var(--neg); }

/* alerts */
.alert { border-radius: 10px; padding: 12px 14px; margin-bottom: 16px; font-size: 14px; }
.alert.warn { background: var(--warn-bg); color: var(--warn-ink); }
.alert.err { background: var(--err-bg); color: var(--neg); }
.alert.ok { background: #e7f6ec; color: var(--pos); }
.empty { text-align: center; padding: 40px 10px; color: var(--muted); }

/* upload */
.drop { border: 2px dashed #b9c6d0; border-radius: var(--radius); background: var(--surface); padding: 40px 20px; text-align: center; cursor: pointer; transition: .15s; }
.drop.over { border-color: var(--brand); background: var(--brand-soft); }
.drop .t { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.results { display: grid; gap: 12px; margin-top: 20px; }
.res { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: center; }
.res .name { font-weight: 600; }
.res .profit { font-size: 22px; font-weight: 700; text-align: right; }
.res .meta { color: var(--muted); font-size: 13px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 380px; display: grid; gap: 14px; }
.login .logo { justify-content: center; font-size: 18px; margin-bottom: 4px; }
.login .logo img.full { height: 54px; max-width: 100%; }
.login .card { border-top: 4px solid var(--accent); }

/* expenses */
select { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: #fff; color: var(--ink); }
.exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 14px; }
.exp-grid input, .exp-grid select { width: 100%; }
.photo-pick { display: flex; align-items: center; gap: 12px; border: 2px dashed #b9c6d0; border-radius: 10px; padding: 14px; margin-bottom: 14px; cursor: pointer; color: var(--muted); }
.photo-pick:hover { border-color: var(--brand); background: var(--brand-soft); }
.photo-pick .pp-icon { font-size: 22px; }
.photo-pick img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; margin-left: auto; }
img.thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); display: block; }
a.thumb.pdf { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 6px; background: var(--err-bg); color: var(--neg); font-weight: 700; font-size: 12px; text-decoration: none; }
td.note { white-space: normal; min-width: 140px; max-width: 320px; }
.add-photo { display: inline-block; }

.missing-list { display: grid; gap: 8px; }
.missing-list .row { background: var(--surface); padding: 6px 0; }

@media (max-width: 720px) {
  .top-in { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 8px; }
  .nav { order: 3; flex-basis: 100%; }
  .who span { display: none; }
  .logo img.full { height: 30px; }
  h1 { font-size: 20px; }
  .card { padding: 16px; }
  .tbl-wrap { margin: 0 -16px; padding: 0 16px; }
}