:root {
  --bg: #f6f7f9; --card: #ffffff; --ink: #0f172a; --muted: #64748b; --line: #e5e7eb; --soft: #f1f5f9;
  --brand: #0f766e; --brand-ink: #ffffff; --brand-soft: #ccfbf1;
  --red: #b91c1c; --red-soft: #fee2e2; --amber: #b45309; --amber-soft: #fef3c7; --blue: #1d4ed8; --blue-soft: #dbeafe;
  --green: #15803d; --green-soft: #dcfce7; --gray-soft: #f1f5f9; --violet: #6d28d9; --violet-soft: #ede9fe;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --card: #111827; --ink: #e5e7eb; --muted: #94a3b8; --line: #1f2937; --soft: #172033;
    --brand: #14b8a6; --brand-ink: #042f2e; --brand-soft: #134e4a;
    --red: #f87171; --red-soft: #3b1414; --amber: #fbbf24; --amber-soft: #3a2a0a; --blue: #93c5fd; --blue-soft: #172554;
    --green: #4ade80; --green-soft: #0f2e1b; --gray-soft: #1e293b; --violet: #c4b5fd; --violet-soft: #2e1065;
    --shadow: none;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
.boot { padding: 40px; text-align: center; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.hidden { display: none !important; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.spacer { flex: 1; }

/* layout */
.top { position: sticky; top: 0; z-index: 20; background: var(--card); border-bottom: 1px solid var(--line); }
.top-in { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; gap: 16px; padding: 10px 16px; }
.logo { font-weight: 700; display: flex; align-items: center; gap: 8px; white-space: nowrap; color: var(--ink); }
.logo i { width: 26px; height: 26px; border-radius: 7px; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-style: normal; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); white-space: nowrap; font-weight: 500; }
.nav a:hover { background: var(--soft); text-decoration: none; color: var(--ink); }
.nav a.on { background: var(--brand-soft); color: var(--ink); }
.user { color: var(--muted); font-size: 13px; white-space: nowrap; }
main { max-width: 1400px; margin: 0 auto; padding: 16px; }
.page-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.page-head .sub { color: var(--muted); font-size: 13px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; box-shadow: var(--shadow); min-width: 0; }
.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) { .g2, .g3 { grid-template-columns: minmax(0, 1fr); } }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; box-shadow: var(--shadow); border-top: 3px solid var(--line); }
.kpi:hover { border-color: var(--brand); }
.kpi .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .l { color: var(--muted); font-size: 12.5px; }
.kpi .s { font-size: 12px; color: var(--muted); margin-top: 2px; }
.kpi.red { border-top-color: var(--red); } .kpi.red .v { color: var(--red); }
.kpi.amber { border-top-color: var(--amber); }
.kpi.blue { border-top-color: var(--blue); }
.kpi.green { border-top-color: var(--green); }
.kpi.gray { border-top-color: var(--muted); }
.kpi.violet { border-top-color: var(--violet); }

/* tables */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table.t { border-collapse: collapse; width: 100%; font-size: 13px; }
table.t th { text-align: left; font-weight: 600; color: var(--muted); background: var(--soft); padding: 7px 8px; white-space: nowrap; position: sticky; top: 0; cursor: default; }
table.t th.sort { cursor: pointer; }
table.t th.sort:hover { color: var(--ink); }
table.t td { padding: 7px 8px; border-top: 1px solid var(--line); vertical-align: top; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: var(--soft); }
table.t tfoot td { font-weight: 700; background: var(--soft); }
.bar { height: 6px; border-radius: 3px; background: var(--red); opacity: .75; margin-top: 3px; min-width: 2px; }
.bar.blue { background: var(--blue); }
.bar.green { background: var(--green); }

/* pills */
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--gray-soft); color: var(--muted); }
.pill.due { background: var(--amber-soft); color: var(--amber); }
.pill.short, .pill.overdue, .pill.lost { background: var(--red-soft); color: var(--red); }
.pill.transit { background: var(--blue-soft); color: var(--blue); }
.pill.remitted, .pill.prepaid { background: var(--green-soft); color: var(--green); }
.pill.rto { background: var(--violet-soft); color: var(--violet); }
.pill.unknown { background: var(--gray-soft); color: var(--muted); }

/* forms */
input, select, textarea, button { font: inherit; color: inherit; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=email], input[type=search], select, textarea {
  background: var(--card); border: 1px solid var(--line); border-radius: 7px; padding: 6px 9px; min-width: 0; max-width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
textarea { width: 100%; min-height: 60px; }
.btn { border: 1px solid var(--line); background: var(--card); padding: 6px 12px; border-radius: 7px; cursor: pointer; white-space: nowrap; font-weight: 500; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--red); }
.btn.sm { padding: 3px 8px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: default; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { width: 220px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs a { padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); background: var(--card); }
.tabs a.on { background: var(--ink); color: var(--card); border-color: var(--ink); text-decoration: none; }
.form-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 8px 14px; align-items: center; }
.form-grid label { color: var(--muted); font-size: 13px; }
.form-grid .hint { grid-column: 2; font-size: 12px; color: var(--muted); margin-top: -4px; }
.form-grid input[type=text], .form-grid input[type=password], .form-grid input[type=email], .form-grid select { width: 100%; max-width: 520px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: minmax(0, 1fr); } .form-grid .hint { grid-column: 1; } }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 0 0 12px; }
legend { font-weight: 700; padding: 0 6px; }

/* login */
.login { max-width: 360px; margin: 10vh auto; }
.login .card { padding: 22px; }
.login input { width: 100%; margin-bottom: 10px; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(2, 6, 23, .5); z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 4vh 12px; overflow-y: auto; }
.modal-card { background: var(--card); border-radius: 12px; width: min(980px, 100%); padding: 18px 44px 18px 18px; position: relative; border: 1px solid var(--line); }
.modal-x { position: absolute; right: 10px; top: 8px; border: 0; background: none; font-size: 24px; cursor: pointer; color: var(--muted); }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--card); padding: 9px 16px; border-radius: 8px; z-index: 60; max-width: 90vw; }
.toast.err { background: var(--red); color: #fff; }

.kv { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 4px 12px; font-size: 13px; }
.kv div:nth-child(odd) { color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0; font-size: 12.5px; max-height: 260px; overflow-y: auto; }
.timeline li { padding: 5px 0 5px 12px; border-left: 2px solid var(--line); margin-left: 4px; }
.timeline li b { font-weight: 600; }
.note { background: var(--amber-soft); color: var(--ink); padding: 8px 10px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.progress { font-size: 13px; color: var(--muted); }
.empty { padding: 26px; text-align: center; color: var(--muted); }
.stack-bar { display: flex; height: 22px; border-radius: 6px; overflow: hidden; background: var(--soft); }
.stack-bar span { display: block; height: 100%; }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.dropzone { border: 2px dashed var(--line); border-radius: 10px; padding: 24px; text-align: center; color: var(--muted); }
.dropzone.over { border-color: var(--brand); background: var(--brand-soft); }
@media (max-width: 700px) {
  .top-in { flex-wrap: wrap; gap: 8px; }
  .nav { order: 3; flex-basis: 100%; }
  .filters input[type=search] { width: 100%; }
  .kv { grid-template-columns: 110px minmax(0, 1fr); }
}