:root {
  --navy: #00073D;
  --blue: #0079FF;
  --bg: #F4F6FB;
  --surface: #FFFFFF;
  --text: #0B1030;
  --muted: #5B6285;
  --line: #DDE2EF;
  --section: #EAF2FF;
  --kpi: #F2F7FF;
  --edit: #FFFBEA;
  --danger: #C62828;
  --pos: #1E7F4F;
  --neg: #C62828;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #050A2E; --surface: #0A1250; --text: #EEF0FA; --muted: #AEB3CF;
    --line: #28307A; --section: #111C66; --kpi: #0E1860; --edit: #2A2A10; --pos: #5AD29A; --neg: #FF8A80;
  }
}
:root[data-theme="dark"] {
  --bg: #050A2E; --surface: #0A1250; --text: #EEF0FA; --muted: #AEB3CF;
  --line: #28307A; --section: #111C66; --kpi: #0E1860; --edit: #2A2A10; --pos: #5AD29A; --neg: #FF8A80;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.4 Arial, Helvetica, sans-serif; }
[hidden] { display: none !important; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; border: 0; border-radius: 6px;
  background: var(--blue); color: #fff; padding: 7px 12px; }
button.ghost { background: transparent; color: inherit; border: 1px solid currentColor; }
button.ghost.dark { color: var(--text); border-color: var(--line); }
button.small { padding: 2px 8px; font-size: 12px; }
input, select { font: inherit; padding: 6px 8px; border: 1px solid var(--line);
  border-radius: 6px; background: var(--surface); color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.msg { min-height: 18px; color: var(--muted); font-size: 13px; }
.msg.err { color: var(--danger); }
.chk { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; }

/* Login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 16px; background: var(--navy); }
.card { background: var(--surface); border-radius: 14px; padding: 28px; width: min(380px, 100%); }
.card h1 { margin: 0 0 4px; font-size: 20px; }
.card label { display: block; margin: 16px 0 6px; font-size: 13px; }
.card input { width: 100%; }
.card button { width: 100%; margin-top: 12px; padding: 10px; }
.card button.ms { background: #2F2F2F; }

/* Header */
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  background: var(--navy); color: #fff; padding: 10px 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: bold; font-size: 16px; }
.brand svg { width: 26px; height: 26px; color: var(--blue); }
.ctrls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 13px; }
.ctrls select { margin-left: 4px; }
.badge { padding: 3px 8px; border-radius: 99px; background: var(--blue); font-size: 12px; }
.badge.viewer { background: #5B6285; }
.badge.admin { background: var(--blue); }

.tabs { display: flex; gap: 2px; overflow-x: auto; background: var(--surface);
  border-bottom: 1px solid var(--line); padding: 0 16px; }
.tabs button { background: transparent; color: var(--muted); border-radius: 0;
  border-bottom: 3px solid transparent; padding: 10px 14px; white-space: nowrap; }
.tabs button.active { color: var(--text); border-bottom-color: var(--blue); font-weight: bold; }

.demo { background: #FFF4CC; color: #4A3B00; padding: 8px 16px; font-size: 13px; }
.demo button { padding: 3px 8px; margin-left: 4px; }

/* Přehled skupiny */
.pad { padding: 16px; max-width: 1200px; }
.ghead { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; margin-bottom: 10px; }
.ghead h2 { margin: 0; font-size: 20px; }
.grid.group td.lbl { min-width: 0; }
.grid.group tr.kfirst td { border-top: 2px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.cards .card { width: auto; padding: 14px 16px; border: 1px solid var(--line); }
.cards h4 { margin: 0 0 6px; }
.cards ul { margin: 0; padding-left: 18px; }
h3 { margin: 22px 0 10px; font-size: 15px; }

/* Layout firmy */
.layout { display: grid; grid-template-columns: 250px 1fr; gap: 16px; padding: 16px; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }
.side h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 4px 0 8px; }
.plans { list-style: none; margin: 0 0 12px; padding: 0; }
.plans li.cat { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 10px 0 4px; }
.plans li button { width: 100%; text-align: left; background: var(--surface); color: var(--text);
  border: 1px solid var(--line); margin-bottom: 4px; padding: 6px 10px; }
.plans li button.active { border-color: var(--blue); box-shadow: inset 3px 0 0 var(--blue); }
.plans small { display: block; color: var(--muted); font-size: 11px; }
.lock { font-size: 11px; }
.mini { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.mini.row { flex-direction: row; flex-wrap: wrap; }
.mini.row input, .mini.row select { flex: 1 1 160px; }

.content { min-width: 0; }
.planhead .ph1 { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: baseline; }
.planhead h2 { margin: 0; font-size: 20px; }
.wf { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--section); white-space: nowrap; }
.wf.open, .wf.schvaleno { background: #DFF5E7; color: #1E5F3C; }
.wf.odeslano { background: #FFF4CC; color: #4A3B00; }
.wf.zamceno { background: var(--line); color: var(--muted); }
.acts { display: inline-flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.acts button { padding: 5px 10px; font-size: 13px; }
.pen { color: var(--blue); font-size: 12px; }
.planhead .ph2 { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 10px 0 6px; }
.planhead #filter { flex: 1 1 200px; max-width: 320px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; flex-wrap: wrap; }
.seg button { background: var(--surface); color: var(--text); border-radius: 0; padding: 6px 10px; font-size: 13px; }
.seg button.active { background: var(--blue); color: #fff; }
.gridbar { display: flex; gap: 14px; align-items: center; margin: 4px 0 6px; }

/* Mřížka */
.gridwrap { overflow: auto; max-height: calc(100vh - 230px); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.pad .gridwrap { max-height: none; }
.grid { border-collapse: separate; border-spacing: 0; width: 100%; font-variant-numeric: tabular-nums; }
.grid th, .grid td { padding: 5px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.grid thead th { position: sticky; top: 0; z-index: 2; background: var(--surface); font-size: 12px; color: var(--muted); text-align: right; }
.grid thead th:first-child { left: 0; z-index: 3; text-align: left; }
.grid td { text-align: right; }
.grid td.lbl { position: sticky; left: 0; z-index: 1; background: var(--surface); text-align: left; min-width: 240px; max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
.grid tr.sec td { background: var(--section); font-weight: bold; text-align: left; cursor: pointer; position: sticky; left: 0; }
.grid tr.sec .tog { background: transparent; color: inherit; padding: 0 4px; }
.grid tr.b td { font-weight: bold; }
.grid tr.kpi td { background: var(--kpi); }
.grid tr.kpi td.lbl { background: var(--kpi); }
.grid tr.sum td { font-weight: bold; border-top: 2px solid var(--line); }
.grid td.tot { font-weight: bold; }
.grid td.neg, .grid .neg { color: var(--neg); }
.grid td.pos { color: var(--pos); }
.grid input.cell { width: 96px; text-align: right; border-color: transparent; background: var(--edit); padding: 3px 5px; }
.grid input.cell:focus { border-color: var(--blue); outline: none; }
.grid input.cell.saved { background: #DFF5E7; }
.grid input.cell.fail { background: #FDE2E2; }
.tag { display: inline-block; font-size: 10px; font-weight: normal; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; margin-left: 6px; vertical-align: middle; }
.tag.note { cursor: help; color: var(--blue); }
.rowbtn { background: transparent; color: var(--blue); padding: 0 5px; visibility: hidden; font-size: 13px; }
.rowbtn.del { color: var(--danger); }
.grid tr:hover .rowbtn, .grid .rowbtn:focus { visibility: visible; }
@media (hover: none) { .rowbtn { visibility: visible; } }
.grid tr.agg td { font-style: italic; }
.tag.priv { color: var(--danger); border-color: currentColor; }
.empty { padding: 24px; color: var(--muted); text-align: left !important; }

/* Správa a dialogy */
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; border: 1px solid var(--line); border-radius: 99px; padding: 1px 4px 1px 8px; margin: 2px 2px 2px 0; white-space: nowrap; }
.chip .x { background: transparent; color: var(--danger); padding: 0 4px; }
.months { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.stack label { display: flex; flex-direction: column; gap: 4px; align-items: stretch; }
.tablewrap { overflow-x: auto; }
.nowrap { white-space: nowrap; }
.mini-t.log td { vertical-align: top; font-size: 13px; }
dialog.admin { border: 0; border-radius: 14px; padding: 0; width: min(720px, calc(100% - 32px)); background: var(--surface); color: var(--text); }
dialog.admin::backdrop { background: rgba(0, 7, 61, .45); }
.admin .dhead { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.admin .dhead h2 { margin: 0; font-size: 18px; }
.admin .body { padding: 4px 18px 18px; max-height: 75vh; overflow: auto; }
.admin section { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.admin label { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
.mini-t { border-collapse: collapse; width: 100%; }
.mini-t td, .mini-t th { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); }
.inv { padding-left: 18px; }

@media (max-width: 600px) {
  .grid td.lbl { min-width: 160px; max-width: 200px; }
  .pad { padding: 16px 12px; }
}