:root {
  --bg: #f3f5f9;
  --surface: #ffffff;
  --surface-2: #eaeef5;
  --ink: #0f1b2d;
  --ink-soft: #52607a;
  --line: #d9dfeb;
  --brand: #1f5fd6;
  --brand-ink: #ffffff;
  --brand-soft: #e3ecfb;
  --ok: #12805c;
  --ok-soft: #dff3ea;
  --warn: #a15c00;
  --warn-soft: #fdf0d5;
  --bad: #b3261e;
  --bad-soft: #fbe3e1;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220; --surface: #121b2e; --surface-2: #1a2540; --ink: #e8edf7; --ink-soft: #9aa8c2; --line: #26334f;
    --brand: #5b92f5; --brand-ink: #08101f; --brand-soft: #172a4f; --ok: #4cc79b; --ok-soft: #12332a;
    --warn: #f0b24d; --warn-soft: #3a2b0f; --bad: #ff8c84; --bad-soft: #3d1815;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1220; --surface: #121b2e; --surface-2: #1a2540; --ink: #e8edf7; --ink-soft: #9aa8c2; --line: #26334f;
  --brand: #5b92f5; --brand-ink: #08101f; --brand-soft: #172a4f; --ok: #4cc79b; --ok-soft: #12332a;
  --warn: #f0b24d; --warn-soft: #3a2b0f; --bad: #ff8c84; --bad-soft: #3d1815;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; text-wrap: balance; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.muted { color: var(--ink-soft); }
.num, td.num, th.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--line); padding: 1rem .75rem; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.05rem; padding: .25rem .5rem 1rem; color: var(--ink); }
.brand .mark { width: 30px; height: 30px; border-radius: 8px; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-weight: 800; }
.biz { font-size: .8rem; color: var(--ink-soft); padding: 0 .5rem 1rem; }
.nav a { display: flex; align-items: center; gap: .6rem; padding: .55rem .6rem; border-radius: 8px; color: var(--ink); }
.nav a:hover { background: var(--surface-2); text-decoration: none; }
.nav a.on { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.nav .grp { font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); padding: .9rem .6rem .3rem; }
.main { padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 5rem; min-width: 0; max-width: 1240px; }
.top { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: 1.25rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.grid { display: grid; gap: 1rem; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 1rem; }
.kpi .label { color: var(--ink-soft); font-size: .8rem; }
.kpi .value { font-size: 1.55rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.cols { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .55rem 1rem; border-radius: 8px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; min-height: 40px; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn.sm { padding: .3rem .65rem; min-height: 32px; font-size: .88rem; }

label { display: block; font-size: .82rem; color: var(--ink-soft); margin-bottom: .2rem; }
input, select, textarea { width: 100%; padding: .55rem .65rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); font: inherit; min-height: 40px; }
.form { display: grid; gap: .85rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.form .wide { grid-column: 1 / -1; }
.check { display: flex; gap: .5rem; align-items: center; }
.check input { width: auto; min-height: 0; }
.check label { margin: 0; color: var(--ink); }

.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); background: var(--surface-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
.empty { padding: 2rem 1rem; text-align: center; color: var(--ink-soft); }

.pill { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--ink-soft); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.info { background: var(--brand-soft); color: var(--brand); }

.alert { border-radius: 8px; padding: .7rem .9rem; margin-bottom: 1rem; border: 1px solid var(--line); background: var(--surface); }
.alert.ok { background: var(--ok-soft); border-color: var(--ok); }
.alert.warn { background: var(--warn-soft); border-color: var(--warn); }
.alert.bad { background: var(--bad-soft); border-color: var(--bad); }
.demo-banner { background: var(--warn-soft); color: var(--warn); text-align: center; padding: .35rem; font-size: .82rem; font-weight: 600; }

.lines { display: grid; gap: .5rem; }
.line { display: grid; grid-template-columns: minmax(0, 3fr) 90px 110px 100px 40px; gap: .5rem; align-items: end; }
.totals { text-align: right; font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; padding-top: .75rem; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login .card { width: min(420px, 100%); padding: 1.6rem; }

.tabs { display: none; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { display: none; }
  .main { padding-bottom: 6rem; }
  .tabs { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; inset: auto 0 0 0; background: var(--surface); border-top: 1px solid var(--line); z-index: 20;
    padding-bottom: env(safe-area-inset-bottom); }
  .tabs a { display: grid; place-items: center; padding: .55rem .2rem; font-size: .72rem; color: var(--ink-soft); gap: .1rem; min-height: 54px; }
  .tabs a.on { color: var(--brand); font-weight: 700; }
  .line { grid-template-columns: 1fr 1fr; }
  .line .wide { grid-column: 1 / -1; }
  th, td { padding: .5rem .55rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print { .side, .tabs, .actions, .demo-banner { display: none !important; } .shell { display: block; } }