:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --card: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --series-1: #2a78d6;
  --series-other: #b9b7ae;
  --tip-bg: #0b0b0b;
  --tip-ink: #f0efec;
  --row-alt: #f3f2ee;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --card: #161615;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #a3a198;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --series-1: #3987e5;
    --series-other: #5a5955;
    --tip-bg: #f0efec;
    --tip-ink: #0b0b0b;
    --row-alt: #1f1f1e;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --card: #161615;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #a3a198;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --accent-ink: #86b6ef;
  --series-1: #3987e5;
  --series-other: #5a5955;
  --tip-bg: #f0efec;
  --tip-ink: #0b0b0b;
  --row-alt: #1f1f1e;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent-ink); }
a:hover { color: var(--accent); }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.brand span { color: var(--muted); font-weight: 400; }
.theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 6px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: .85rem;
}

.layout {
  max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px;
  display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 32px;
}
nav.side { font-size: .92rem; }
nav.side details { margin-bottom: 10px; }
nav.side summary { font-weight: 600; cursor: pointer; padding: 4px 0; color: var(--ink); }
nav.side ul { list-style: none; margin: 4px 0 0; padding: 0 0 0 10px; border-left: 1px solid var(--grid); }
nav.side li a { display: block; padding: 3px 8px; color: var(--ink-2); text-decoration: none; border-radius: 4px; }
nav.side li a:hover { background: var(--row-alt); color: var(--ink); }
nav.side li a[aria-current="page"] { color: var(--accent-ink); font-weight: 600; }
nav.side .top-link { display: block; padding: 4px 0; font-weight: 600; color: var(--ink); text-decoration: none; }

main { min-width: 0; }
main h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 6px; }
.lede { color: var(--ink-2); margin: 0 0 22px; font-size: 1.05rem; }
.meta { color: var(--muted); font-size: .85rem; margin-bottom: 20px; }
main h2 { font-size: 1.35rem; margin: 34px 0 10px; padding-top: 8px; border-top: 1px solid var(--grid); }
main h3 { font-size: 1.1rem; margin: 24px 0 8px; }
main img { max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
blockquote { margin: 16px 0; padding: 8px 16px; border-left: 3px solid var(--accent); background: var(--card); color: var(--ink-2); }
code { font-size: .9em; background: var(--row-alt); padding: 1px 4px; border-radius: 3px; }

.table-wrap { overflow-x: auto; margin: 12px 0 18px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: .9rem; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: top; }
th { background: var(--row-alt); font-weight: 600; }
tr:last-child td { border-bottom: none; }
td[style*="right"], th[style*="right"] { text-align: right; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 8px 0 28px; }
.tile { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.tile .v { font-size: 1.8rem; font-weight: 700; line-height: 1.15; }
.tile .l { color: var(--ink-2); font-size: .9rem; margin-top: 4px; }

.chart { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px 10px; margin: 14px 0 22px; }
.chart h3 { margin: 0 0 2px; font-size: 1rem; }
.chart .sub { color: var(--muted); font-size: .85rem; margin: 0 0 8px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart svg text { fill: var(--ink-2); font: 13.5px system-ui, -apple-system, "Segoe UI", sans-serif; }
.chart svg text.val { fill: var(--ink); font-weight: 600; }
.chart svg .grid { stroke: var(--grid); stroke-width: 1; }
.chart svg .axis { stroke: var(--axis); stroke-width: 1; }
.chart svg .s1 { fill: var(--series-1); }
.chart svg .so { fill: var(--series-other); }
.chart svg .line { fill: none; stroke: var(--series-1); stroke-width: 2; }
.chart svg .hit { fill: transparent; }
.chart details { margin-top: 6px; font-size: .85rem; }
.chart details summary { cursor: pointer; color: var(--muted); }
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 0 16px; }

.tip {
  position: fixed; pointer-events: none; z-index: 10;
  background: var(--tip-bg); color: var(--tip-ink);
  padding: 5px 9px; border-radius: 5px; font-size: .82rem; line-height: 1.35;
  opacity: 0; transition: opacity .08s; max-width: 260px;
}
.tip.on { opacity: 1; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 10px 0 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; text-decoration: none; color: var(--ink); display: block; }
.card:hover { border-color: var(--accent); }
.card b { display: block; margin-bottom: 2px; }
.card span { color: var(--ink-2); font-size: .88rem; }

.note { background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--axis); border-radius: 6px; padding: 10px 14px; color: var(--ink-2); font-size: .92rem; margin: 18px 0; }

footer.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }
footer.site-footer .inner { max-width: 1100px; margin: 0 auto; padding: 18px 16px 28px; }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  nav.side { order: 2; border-top: 1px solid var(--grid); padding-top: 12px; }
  main h1 { font-size: 1.5rem; }
}

/* error reporting */
.btn-primary { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 7px 14px; font: inherit; font-size: .92rem; cursor: pointer; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: none; color: var(--ink-2); border: 1px solid var(--border); border-radius: 6px; padding: 7px 14px; font: inherit; font-size: .92rem; cursor: pointer; }
.report-box { margin: 40px 0 0; padding: 14px 16px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.report-box .hint { flex-basis: 100%; color: var(--muted); font-size: .85rem; }
.report-fab { position: fixed; z-index: 20; background: var(--ink); color: var(--page); border: 0; border-radius: 6px; padding: 6px 11px; font: inherit; font-size: .85rem; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
dialog.report { border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--ink); padding: 0; width: min(560px, calc(100vw - 32px)); }
dialog.report::backdrop { background: rgba(0,0,0,.45); }
.report-form { padding: 18px 20px; display: grid; gap: 12px; }
.report-form h2 { margin: 0; padding: 0; border: 0; font-size: 1.2rem; }
.report-form label { display: grid; gap: 4px; font-size: .9rem; font-weight: 600; }
.report-form textarea, .report-form input { font: inherit; font-weight: 400; font-size: .95rem; color: var(--ink); background: var(--page); border: 1px solid var(--axis); border-radius: 6px; padding: 7px 9px; width: 100%; }
.report-form .req { color: var(--accent-ink); }
.report-where { margin: 0; color: var(--ink-2); font-size: .88rem; }
.report-quote { margin: 0; max-height: 120px; overflow: auto; font-size: .88rem; white-space: pre-wrap; }
.report-privacy { margin: 0; color: var(--muted); font-size: .8rem; }
.report-actions { display: flex; justify-content: flex-end; gap: 8px; }
.report-done { margin: 0; }

/* resolutions table */
.usn-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.usn-filters input, .usn-filters select { font: inherit; font-size: .92rem; color: var(--ink); background: var(--card); border: 1px solid var(--axis); border-radius: 6px; padding: 6px 9px; }
.usn-filters input { flex: 1 1 260px; }
.usn-info { color: var(--muted); font-size: .85rem; margin: 4px 0; }
.usn-table td.nowrap { white-space: nowrap; font-size: .85rem; }
.usn-table td:nth-child(4) { font-size: .82rem; color: var(--ink-2); }
.usn-meta { color: var(--muted); font-size: .8rem; margin-top: 3px; }
.usn-no { color: #d03b3b; font-weight: 600; }
.usn-more { margin: 4px 0 16px; }

/* ---- categorical palette (validated: dataviz validate_palette.js, light & dark) ---- */
:root { --c1: #2a78d6; --c2: #eb6834; --c3: #1baf7a; --c4: #eda100; --c5: #e87ba4; --c6: #008300;
        --ok: #0ca30c; --no: #d03b3b; --ok-bg: #e6f6e6; --no-bg: #fbe9e9; --info-bg: #eef2f8; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --c1: #3987e5; --c2: #d95926; --c3: #199e70; --c4: #c98500; --c5: #d55181; --c6: #008300;
        --ok-bg: #12301a; --no-bg: #3a1717; --info-bg: #1c2433; }
}
:root[data-theme="dark"] { --c1: #3987e5; --c2: #d95926; --c3: #199e70; --c4: #c98500; --c5: #d55181; --c6: #008300;
        --ok-bg: #12301a; --no-bg: #3a1717; --info-bg: #1c2433; }

.chart svg .c1, .legend .c1 { fill: var(--c1); background: var(--c1); }
.chart svg .c2, .legend .c2 { fill: var(--c2); background: var(--c2); }
.chart svg .c3, .legend .c3 { fill: var(--c3); background: var(--c3); }
.chart svg .c4, .legend .c4 { fill: var(--c4); background: var(--c4); }
.chart svg .c5, .legend .c5 { fill: var(--c5); background: var(--c5); }
.chart svg .c6, .legend .c6 { fill: var(--c6); background: var(--c6); }
.chart svg .ok, .legend .ok { fill: var(--ok); background: var(--ok); }
.chart svg .no, .legend .no { fill: var(--no); background: var(--no); }
.legend .s1 { background: var(--series-1); }
.legend .so { background: var(--series-other); }
.chart svg .track, .legend .track { fill: var(--grid); background: var(--grid); }
.chart svg .line-other { fill: none; stroke: var(--series-other); stroke-width: 1.5; }
.chart svg text.in { fill: #fff; font-size: 11.5px; font-weight: 600; }
.chart svg text.small { font-size: 11px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0 0 8px; font-size: .82rem; color: var(--ink-2); }
.legend .lg { display: inline-flex; align-items: center; gap: 6px; }
.legend i.lg-sq { width: 11px; height: 11px; border-radius: 2px; display: inline-block; }
.legend i.lg-line { width: 18px; height: 3px; border-radius: 2px; display: inline-block; }

/* ---- page polish ---- */
main > p:first-of-type, main > .meta + p { font-size: 1.04rem; }
main h2 { display: flex; align-items: baseline; gap: 8px; }
main h2::before { content: ""; width: 4px; height: 1em; background: var(--accent); border-radius: 2px; align-self: center; flex: none; }
main ol > li, main ul > li { margin: 3px 0; }
main h2 + ol, main h2 + ul { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px 12px 34px; }
tbody tr:nth-child(even) td { background: var(--row-alt); }
td strong { color: var(--accent-ink); }
.tile { border-top: 3px solid var(--accent); }

/* ---- resolutions: colour-coded ---- */
.usn-table tr.r-ok td:first-child { box-shadow: inset 4px 0 0 var(--ok); }
.usn-table tr.r-no td:first-child { box-shadow: inset 4px 0 0 var(--no); }
.usn-table tr.r-na td:first-child { box-shadow: inset 4px 0 0 var(--series-other); }
.usn-table tr.r-no td { background: var(--no-bg); }
.badge { display: inline-block; font-size: .76rem; font-weight: 600; padding: 1px 7px; border-radius: 10px; white-space: nowrap; line-height: 1.5; }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-no { background: var(--no-bg); color: var(--no); }
.b-na { background: var(--row-alt); color: var(--muted); }
.chip { display: inline-block; font-size: .74rem; padding: 1px 7px; border-radius: 10px; margin: 1px 2px 1px 0; border: 1px solid var(--border); color: var(--ink-2); background: var(--card); white-space: nowrap; }
.chip-typ { color: #fff; border: 0; }
.t-schvaluje { background: var(--c1); }
.t-neschvaluje { background: var(--no); }
.t-bere { background: #6f6d68; }
.t-voli { background: var(--c5); }
.t-poveruje { background: var(--c3); }
.t-uklada { background: var(--c2); }
.t-rusi { background: var(--c4); color: #0b0b0b; }
.t-jine { background: var(--series-other); color: var(--ink); }
.usn-votes { display: block; font-size: .78rem; color: var(--muted); margin-top: 2px; }
.usn-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 6px 0 12px; }
.usn-stats .tile .v { font-size: 1.5rem; }
.chart svg text.in.dark { fill: #0b0b0b; }

.usn-list { display: grid; gap: 8px; margin: 6px 0 12px; }
.usn-card { background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--ok); border-radius: 8px; padding: 10px 14px; }
.usn-card.r-no { border-left-color: var(--no); background: var(--no-bg); }
.usn-card.r-na { border-left-color: var(--series-other); }
.usn-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: .85rem; }
.usn-head .usn-num { font-weight: 600; font-variant-numeric: tabular-nums; }
.usn-head .usn-date { color: var(--muted); }
.usn-head .usn-kc { margin-left: auto; font-weight: 700; color: var(--accent-ink); }
.usn-text { margin: 6px 0 6px; }
.usn-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; font-size: .8rem; color: var(--muted); }
.usn-foot .usn-votes { display: inline; margin: 0; }
.usn-foot .usn-src { margin-left: auto; }
.usn-head .chip, .usn-foot .chip { margin: 0; }

/* Zeptejte se AI */
.copy-box { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; margin: 10px 0 18px; }
.copy-box pre { margin: 0 0 10px; white-space: pre-wrap; word-break: break-word; font-size: .9rem; color: var(--ink); background: none; padding: 0; }
.copy-box .btn-ghost { font-size: .85rem; }
.ai-steps { counter-reset: step; list-style: none; padding-left: 0; }
.ai-steps > li { counter-increment: step; position: relative; padding-left: 2.2em; margin: 0 0 14px; }
.ai-steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--accent-ink); color: var(--card); font-weight: 700; display: grid; place-items: center; font-size: .9rem; }