/* Liczarnia — arkusz stylów serwisu */
:root{
  --paper:#E7EBEE; --panel:#FFFFFF; --panel-2:#F2F5F7; --panel-3:#E9EEF2;
  --ink:#12171C; --ink-2:#53606B; --ink-3:#87929C;
  --rule:#CFD7DD; --rule-2:#E1E7EB;
  --accent:#1B5A99; --accent-soft:#DCE9F4;
  --ochre:#8C6116; --ochre-soft:#F2E7D2;
  --up:#1A6B3C; --down:#A33228;
  --shadow:0 1px 0 rgba(14,30,40,.05), 0 1px 3px rgba(14,30,40,.06);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0D1216; --panel:#161D22; --panel-2:#1B242A; --panel-3:#212C33;
    --ink:#E2E8EC; --ink-2:#95A2AB; --ink-3:#68757E;
    --rule:#263139; --rule-2:#1F2930;
    --accent:#6FADE4; --accent-soft:#14293C;
    --ochre:#D9A85E; --ochre-soft:#312814;
    --up:#5DC282; --down:#E87B6D;
    --shadow:0 1px 0 rgba(0,0,0,.4);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0D1216; --panel:#161D22; --panel-2:#1B242A; --panel-3:#212C33;
  --ink:#E2E8EC; --ink-2:#95A2AB; --ink-3:#68757E;
  --rule:#263139; --rule-2:#1F2930;
  --accent:#6FADE4; --accent-soft:#14293C;
  --ochre:#D9A85E; --ochre-soft:#312814;
  --up:#5DC282; --down:#E87B6D;
  --shadow:0 1px 0 rgba(0,0,0,.4);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:13px;line-height:1.45;-webkit-font-smoothing:antialiased;
}
img{max-width:100%}
[hidden]{display:none!important}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:60;background:var(--panel);padding:6px 10px;border:1px solid var(--accent);border-radius:3px}

/* ---------- pasek górny ---------- */
.top{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--rule)}
.top-in{max-width:1500px;margin:0 auto;padding:9px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:9px;margin-right:auto;text-decoration:none;color:inherit}
.brand strong{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-weight:700;font-size:19px;letter-spacing:.01em}
.brand span{color:var(--ink-3);font-size:11px;letter-spacing:.07em;text-transform:uppercase}
.search{display:flex;align-items:center;gap:7px;background:var(--panel);border:1px solid var(--rule);border-radius:3px;padding:0 9px;height:30px;min-width:200px;flex:1;max-width:380px}
.search input{border:0;background:transparent;color:var(--ink);font:inherit;font-size:12.5px;width:100%;outline:none}
.search svg{flex:none;color:var(--ink-3)}
.kbd{font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--ink-3);border:1px solid var(--rule);border-radius:2px;padding:1px 4px;flex:none}
.tools{display:flex;align-items:center;gap:6px}
.langs{display:flex;gap:2px;flex-wrap:wrap}
.langs a{
  font-family:"IBM Plex Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.04em;
  color:var(--ink-2);text-decoration:none;border:1px solid var(--rule);border-radius:2px;padding:3px 6px;background:var(--panel);
}
.langs a:hover{color:var(--ink);border-color:var(--ink-3)}
.langs a[aria-current="true"]{background:var(--accent);border-color:var(--accent);color:var(--paper)}
#theme{
  background:var(--panel);border:1px solid var(--rule);border-radius:2px;color:var(--ink-2);
  font:inherit;font-size:11px;height:24px;padding:0 7px;cursor:pointer;
}
#theme:hover{color:var(--ink);border-color:var(--ink-3)}

/* ---------- układ ---------- */
.shell{max-width:1500px;margin:0 auto;padding:0 16px;display:flex;gap:22px;align-items:flex-start}
.side{width:212px;flex:none;position:sticky;top:58px;padding-block:16px 24px;max-height:calc(100vh - 70px);overflow-y:auto}
.side h4{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin:0 0 6px 8px}
.side h4 + .navgrp{margin-bottom:16px}
.navgrp{display:flex;flex-direction:column;gap:1px}
.navgrp a{display:flex;align-items:center;gap:8px;justify-content:space-between;padding:5px 8px;border-radius:3px;text-decoration:none;color:var(--ink-2);font-size:12.5px}
.navgrp a:hover{background:var(--panel);color:var(--ink)}
.navgrp a[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.navgrp a b{font-family:"IBM Plex Mono",monospace;font-weight:400;font-size:10.5px;color:var(--ink-3)}
.navgrp a[aria-current="page"] b{color:var(--accent)}
.main{flex:1;min-width:0;padding-block:16px 44px}

/* ---------- nagłówek strony ---------- */
.crumbs{font-size:11.5px;color:var(--ink-3);margin-bottom:10px}
.crumbs a{color:var(--ink-3);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.page-h{margin-bottom:18px}
.page-h .eyebrow{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)}
.page-h h1{font-size:24px;margin:2px 0 6px;letter-spacing:-.015em;text-wrap:balance}
.page-h .lead{margin:0 0 8px;color:var(--ink);font-size:14px;max-width:70ch}
.page-h .intro{margin:0;color:var(--ink-2);max-width:78ch}

.block{margin-bottom:26px}
.block-h{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.block-h h2{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin:0;color:var(--ink-2);white-space:nowrap}
.block-h .line{height:1px;background:var(--rule);flex:1}
.block-h .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-3)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:10px}

/* ---------- moduł ---------- */
.mod{background:var(--panel);border:1px solid var(--rule);border-radius:3px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.mod-h{padding:9px 11px 8px;border-bottom:1px solid var(--rule-2)}
.mod-h h3{font-size:13.5px;font-weight:600;margin:0 0 2px;letter-spacing:-.005em;text-wrap:balance}
.wzor{display:block;font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-3);white-space:nowrap;overflow-x:auto}
.fields{padding:6px 11px 9px;display:flex;flex-direction:column;gap:5px}
.row{display:flex;align-items:center;gap:8px}
.row.col{flex-direction:column;align-items:stretch;gap:4px}
.row label{flex:1;color:var(--ink-2);font-size:12.5px;min-width:0}
.row input,.row select{
  flex:none;width:112px;height:27px;background:var(--panel-2);color:var(--ink);
  border:1px solid var(--rule);border-radius:2px;
  font-family:"IBM Plex Mono",monospace;font-size:12.5px;padding:0 6px;font-variant-numeric:tabular-nums;
}
.row input{text-align:right}
.row input.ltr{text-align:left}
.row select{width:132px;font-family:"IBM Plex Sans",sans-serif;font-size:12px}
.row input[type="date"]{width:132px;font-size:11.5px;text-align:left}
.row .unit{flex:none;width:17px;color:var(--ink-3);font-size:11.5px;font-family:"IBM Plex Mono",monospace}
.row.col input,.row.col select,.row.col textarea{width:100%}
textarea{width:100%;min-height:48px;resize:vertical;background:var(--panel-2);color:var(--ink);border:1px solid var(--rule);border-radius:2px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;padding:6px 7px}

.out{margin-top:auto;background:var(--panel-2);border-top:1px solid var(--rule-2);padding:8px 11px 9px}
.out-main{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.out-main .lab{font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.out-main .val{font-family:"IBM Plex Mono",monospace;font-size:18px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere}
.val.up{color:var(--up)} .val.down{color:var(--down)} .val.plain{color:var(--ink)} .val.sm{font-size:14.5px}
.out-sub{list-style:none;margin:6px 0 0;padding:6px 0 0;border-top:1px dashed var(--rule);display:flex;flex-direction:column;gap:2px}
.out-sub li{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink-2)}
.out-sub b{font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere}
.err{color:var(--down)}

/* ---------- tabele ---------- */
.tbl{background:var(--panel);border:1px solid var(--rule);border-radius:3px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:10px}
.tbl-h{padding:9px 11px;border-bottom:1px solid var(--rule-2);display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.tbl-h h3{font-size:13.5px;font-weight:600;margin:0}
.tbl-h span{color:var(--ink-3);font-size:11.5px}
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:12.5px}
th,td{padding:4px 11px;text-align:right;white-space:nowrap;border-bottom:1px solid var(--rule-2)}
th:first-child,td:first-child{text-align:left}
thead th{position:sticky;top:0;background:var(--panel-3);color:var(--ink-2);font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-size:11px;font-weight:700;letter-spacing:.04em}
tbody td{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
tbody td:first-child{font-family:"IBM Plex Sans",sans-serif}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--panel-2)}
.mtab td.hi{background:var(--accent-soft);color:var(--accent);font-weight:600}

/* ---------- przykłady ---------- */
.ex{background:var(--panel);border:1px solid var(--rule);border-left:3px solid var(--ochre);border-radius:3px;box-shadow:var(--shadow);padding:11px 13px;margin-bottom:10px}
.ex h3{font-size:13.5px;margin:0 0 3px;font-weight:600;text-wrap:balance}
.ex .given{color:var(--ink-2);margin:0 0 8px;max-width:78ch}
.ex ol{margin:0;padding:0;list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:5px}
.ex ol li{counter-increment:s;display:grid;grid-template-columns:18px 1fr;gap:9px;align-items:baseline}
.ex ol li::before{content:counter(s);font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:var(--ochre);background:var(--ochre-soft);border-radius:2px;text-align:center;padding:1px 0}
.ex ol li em{font-style:normal;color:var(--ink-2)}
.ex ol li code{display:block;font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink);overflow-x:auto}
.ex .ans{margin:9px 0 0;padding-top:8px;border-top:1px dashed var(--rule);font-size:12.5px;color:var(--up)}
.ex .ans span{font-weight:600}

/* ---------- kafelki ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(212px,1fr));gap:10px}
.tile{background:var(--panel);border:1px solid var(--rule);border-radius:3px;box-shadow:var(--shadow);padding:11px 12px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:3px}
a.tile:hover{border-color:var(--accent)}
.tile strong{font-size:13.5px;font-weight:600}
.tile span{color:var(--ink-2);font-size:12px}
.tile em{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:var(--ink-3);margin-top:3px}
.stat strong{font-family:"IBM Plex Mono",monospace;font-size:21px;color:var(--accent)}

/* ---------- spis treści działu ---------- */
.toc{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:18px}
.toc a{font-size:12px;text-decoration:none;color:var(--ink-2);background:var(--panel);border:1px solid var(--rule);border-radius:2px;padding:3px 8px}
.toc a:hover{color:var(--accent);border-color:var(--accent)}

.empty{padding:26px 0;color:var(--ink-3);text-align:center}

/* ---------- stopka ---------- */
.foot{border-top:1px solid var(--rule);background:var(--panel)}
.foot-in{max-width:1500px;margin:0 auto;padding:18px 16px 26px;display:flex;gap:26px;flex-wrap:wrap;color:var(--ink-3);font-size:11.5px}
.foot-in nav{display:flex;flex-wrap:wrap;gap:10px}
.foot-in a{color:var(--ink-2);text-decoration:none}
.foot-in a:hover{color:var(--accent)}
.foot-in code{font-family:"IBM Plex Mono",monospace}
.foot-note{flex:1;min-width:240px;max-width:70ch}

@media (max-width:880px){
  .shell{flex-direction:column;gap:0;align-items:stretch}
  .main{width:100%;padding-block:14px 40px}
  .side{width:auto;position:static;max-height:none;overflow:visible;padding-block:10px 4px;border-bottom:1px solid var(--rule)}
  .side h4{display:none}
  .side h4 + .navgrp{margin-bottom:6px}
  .navgrp{flex-direction:row;overflow-x:auto;gap:5px;padding-bottom:4px}
  .navgrp a{white-space:nowrap;border:1px solid var(--rule);background:var(--panel)}
  .navgrp a b{display:none}
}
@media (max-width:430px){
  .row input,.row select{width:98px}
  .row select,.row input[type="date"]{width:118px}
  .brand span{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.top,.side,.toc,.foot{display:none}.mod,.tbl,.ex{break-inside:avoid}}