:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #15202b;
  --muted: #5b6875;
  --line: #d9e0e7;
  --accent: #0f6e78;
  --accent-2: #d9822b;
  --soon: #98a3ae;
  --bar-1: #0f6e78;
  --bar-2: #3a9aa4;
  --bar-3: #d9822b;
  --bar-4: #b9c4ce;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10161c;
    --surface: #17202a;
    --ink: #e3e9ef;
    --muted: #9aa8b5;
    --line: #2a3642;
    --accent: #5cc3cc;
    --accent-2: #f0a35a;
    --soon: #66727e;
    --bar-1: #5cc3cc;
    --bar-2: #3a8f97;
    --bar-3: #f0a35a;
    --bar-4: #44515d;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-variant-numeric: tabular-nums;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

/* Nagłówek */
header.site {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: flex-end;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.brand b { color: var(--muted); font-weight: 500; }

/* Znak: cztery słupki jak w wykresie wyników */
.mark { display: inline-flex; align-items: flex-end; gap: 2px; height: 1.15rem; padding-bottom: 0.2rem; }
.mark i { display: block; width: 4px; border-radius: 1px; }
.mark i:nth-child(1) { height: 55%; background: var(--bar-1); }
.mark i:nth-child(2) { height: 100%; background: var(--bar-2); }
.mark i:nth-child(3) { height: 35%; background: var(--bar-3); }
.mark i:nth-child(4) { height: 70%; background: var(--bar-4); }

header.site nav { display: flex; gap: 1rem; font-size: 0.95rem; }
header.site nav a { color: var(--muted); text-decoration: none; }
header.site nav a:hover { color: var(--accent); }

/* Treść */
main { padding-top: 1.5rem; padding-bottom: 3rem; }

h1 {
  font-size: clamp(1.6rem, 5vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0.6rem;
}

h2 { font-size: 1.3rem; line-height: 1.3; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 0.4rem; }

p, ul, ol, table { margin: 0 0 1rem; }

.lead { font-size: 1.12rem; color: var(--muted); }
.muted, .meta { color: var(--muted); }
.meta { font-size: 0.9rem; margin-top: -0.2rem; }

.crumbs { font-size: 0.88rem; color: var(--muted); margin: 0 0 0.4rem; }
.crumbs span { margin: 0 0.25rem; }

blockquote, .note {
  margin: 1.2rem 0;
  padding: 0.8rem 1rem;
  background: var(--surface);
  border-left: 4px solid var(--accent-2);
  border-radius: 0 6px 6px 0;
}

.note p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; display: block; overflow-x: auto; }
th, td { padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-weight: 600; background: var(--surface); }
td.num, th.num { text-align: right; white-space: nowrap; }

/* Karty działów na stronie głównej */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
}

.card h3 { margin: 0 0 0.35rem; font-size: 1.02rem; }
.card p { margin: 0 0 0.5rem; font-size: 0.93rem; color: var(--muted); }
.card .count { margin: 0; font-size: 0.82rem; color: var(--accent-2); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }

.latest { list-style: none; padding: 0; }
.latest li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.latest span { color: var(--muted); font-size: 0.88rem; }

/* Spis tematów */
.toc { margin-bottom: 2rem; }
.toc h2 { margin-bottom: 0.3rem; }
.toc > p { color: var(--muted); font-size: 0.95rem; }

ol.topics { padding-left: 1.4rem; }
ol.topics li { margin: 0.2rem 0; }
ol.topics li.soon { color: var(--soon); }
ol.topics li.soon::after { content: " · wkrótce"; font-size: 0.82rem; }

/* Wykres słupkowy z samego HTML: <div class="bars"><p><span>Etykieta</span><b style="--v:42">42%</b></p></div> */
.bars { margin: 1rem 0 1.4rem; }
.bars p { display: grid; grid-template-columns: minmax(7rem, 40%) 1fr; gap: 0.6rem; align-items: center; margin: 0.3rem 0; font-size: 0.93rem; }
.bars b {
  display: block;
  width: calc(var(--v) * 1%);
  min-width: 2.6rem;
  padding: 0.1rem 0.4rem;
  background: var(--bar-2);
  color: #fff;
  border-radius: 3px;
  font-weight: 600;
  text-align: right;
}

.topic-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.93rem;
}

footer.site {
  border-top: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.88rem;
  color: var(--muted);
}

footer.site .wrap { padding-top: 1.2rem; padding-bottom: 1.6rem; }
footer.site p { margin: 0 0 0.5rem; }