/* Účetnictví — utilitarian ledger UI. Tokens first; components use tokens only. */
:root {
  --paper: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --ink: #1c2230;
  --ink-2: #4a5263;
  --muted: #7a8293;
  --line: #e2e5eb;
  --line-strong: #cfd4dd;
  --accent: #0d6b62;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ef;
  --good: #1f7a3d; --good-soft: #e5f4ea;
  --warn: #9a6400; --warn-soft: #fdf3dc;
  --bad: #b3261e;  --bad-soft: #fbe8e6;
  --focus: #2f6fde;
  --shadow: 0 1px 2px rgba(20, 28, 45, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11151b; --surface: #181d25; --surface-2: #1d232c; --ink: #e5e8ee; --ink-2: #b8bfcb;
    --muted: #8b93a3; --line: #29303b; --line-strong: #353d4a; --accent: #3bb3a6; --accent-ink: #0b1513;
    --accent-soft: #15302d; --good: #5cc584; --good-soft: #15281c; --warn: #e2b04a; --warn-soft: #2c2412;
    --bad: #f07b72; --bad-soft: #2d1716; --focus: #7aa7ff; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11151b; --surface: #181d25; --surface-2: #1d232c; --ink: #e5e8ee; --ink-2: #b8bfcb;
  --muted: #8b93a3; --line: #29303b; --line-strong: #353d4a; --accent: #3bb3a6; --accent-ink: #0b1513;
  --accent-soft: #15302d; --good: #5cc584; --good-soft: #15281c; --warn: #e2b04a; --warn-soft: #2c2412;
  --bad: #f07b72; --bad-soft: #2d1716; --focus: #7aa7ff; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { font-size: 14px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.num, .mono, td.num, th.num { font-family: "IBM Plex Mono", ui-monospace, monospace; font-variant-numeric: tabular-nums; }
td.num, th.num { text-align: right; white-space: nowrap; }
h1 { font-size: 1.45rem; margin: 0; font-weight: 600; text-wrap: balance; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }

/* shell */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: baseline; gap: 8px; padding: 0 8px 16px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.brand b { font-size: 1.05rem; letter-spacing: .01em; }
.brand span { color: var(--muted); font-size: .8rem; }
.nav-group { margin: 14px 0 4px; padding: 0 8px; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.nav a { display: flex; justify-content: space-between; padding: 6px 8px; border-radius: 6px; color: var(--ink-2); }
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side-foot { margin-top: 24px; padding: 12px 8px 0; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); display: grid; gap: 6px; }
.main { padding: 22px 28px 48px; min-width: 0; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.page-head .sub { color: var(--muted); margin-top: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* surfaces */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 16px 18px; }
.card + .card { margin-top: 14px; }
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.stat .value { font-size: 1.5rem; font-weight: 600; margin-top: 4px; font-family: "IBM Plex Mono", monospace; font-variant-numeric: tabular-nums; }
.stat .hint { color: var(--muted); font-size: .82rem; margin-top: 2px; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--surface-2); color: var(--ink-2); font-weight: 600; font-size: .8rem; position: sticky; top: 0; }
tbody tr:hover { background: var(--surface-2); }
tr.total td { font-weight: 600; background: var(--surface-2); border-top: 2px solid var(--line-strong); }
tr.cancelled td { color: var(--muted); text-decoration: line-through; }
tr.synthetic td { font-weight: 600; background: var(--surface-2); }
td.neg, .neg { color: var(--bad); }

/* pills */
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .76rem; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.pill.posted { background: var(--good-soft); color: var(--good); }
.pill.draft { background: var(--warn-soft); color: var(--warn); }
.pill.cancelled { background: var(--surface-2); color: var(--muted); border-color: var(--line); }
.pill.neutral { background: var(--surface-2); color: var(--ink-2); border-color: var(--line); }

/* forms */
label { display: block; font-size: .8rem; color: var(--ink-2); margin-bottom: 3px; font-weight: 500; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 6px 8px; min-height: 32px;
}
input[type=checkbox] { width: auto; min-height: 0; }
textarea { min-height: 70px; }
.field { margin-bottom: 10px; }
.form-grid { display: grid; gap: 10px 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-4 { grid-column: 1 / -1; }
.check { display: flex; align-items: center; gap: 6px; font-size: .9rem; color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; gap: 6px; font: inherit; font-weight: 500; padding: 6px 12px; min-height: 32px;
  border-radius: 6px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); cursor: pointer;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); background: var(--accent); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.small { padding: 3px 8px; min-height: 26px; font-size: .85rem; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 12px; }
.filters .field { margin: 0; min-width: 140px; }
.lines td { padding: 4px; }
.lines input, .lines select { min-height: 30px; padding: 4px 6px; }

/* notices */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.flash.ok { background: var(--good-soft); color: var(--good); border-color: transparent; }
.flash.err { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.flash ul { margin: 0; padding-left: 18px; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

/* pagination */
.pager { display: flex; gap: 4px; margin-top: 12px; flex-wrap: wrap; }
.pager a, .pager span { padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.pager .cur { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 360px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .main { padding: 16px; }
  .grid-2, .grid-3, .grid-4, .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print { .side, .actions, .filters, .no-print { display: none !important; } .shell { display: block; } .card, .table-wrap { border: 0; box-shadow: none; } }