/* ============================================================
   LINKWAY — instrukcja (dokumentacja) :: szata graficzna
   Powłoka: górny pasek + ciemne menu boczne + treść + spis treści.
   Dziedziczy tokeny z brand.css; nagłówki na Fredoka.
   ============================================================ */
@import url("/assets/fonts.css");
@import url("/assets/brand.css");
@import url("/assets/site.css");

:root{
  /* nagłówki: Nunito Sans 800 — pełne, poprawne polskie diakrytyki (ą ć ę ł ń ó ś ź ż) */
  --font-head:'Nunito Sans',system-ui,sans-serif;
  --head-weight:800;
  --doc-head-h:64px;
  --doc-side-w:304px;
  --doc-toc-w:228px;
  /* lewy panel — głęboki kobalt Linkway */
  --side-bg:#0E2C49;
  --side-bg-2:#16395C;
  --side-line:rgba(120,180,225,.15);
  --side-text:#C4D5E6;
  --side-muted:#7C96AE;
  --side-head:#6B88A4;
}

html{scroll-behavior:smooth}
body{background:var(--lkw-surface);color:var(--lkw-ink)}
body.doc-body{margin:0}

/* ============================================================
   GÓRNY PASEK
   ============================================================ */
.doc-head{
  position:sticky;top:0;z-index:60;height:var(--doc-head-h);
  display:flex;align-items:center;gap:1rem;
  padding:0 clamp(16px,2.4vw,28px);
  background:#fff;border-bottom:1px solid var(--lkw-line);
}
.doc-brand{display:inline-flex;align-items:center;gap:.62rem;text-decoration:none;flex:none}
.doc-brand .sygnet{width:34px;height:34px;border-radius:10px;display:block;box-shadow:0 4px 12px rgba(29,117,188,.28)}
.doc-brand .wm{font-family:var(--font-head);font-weight:600;font-size:1.24rem;letter-spacing:-.02em;color:var(--lkw-ink-2);line-height:1}
.doc-brand .wm b{color:var(--lkw-primary);font-weight:600}
.doc-head .doc-divider{width:1px;height:26px;background:var(--lkw-line);flex:none}
.doc-kicker{font-family:var(--font-head);font-weight:600;font-size:.95rem;color:var(--lkw-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-head .spacer{flex:1}
.doc-head-links{display:flex;align-items:center;gap:.4rem}
.doc-head-links a{font-family:var(--font-head);font-weight:600;font-size:.88rem;color:var(--lkw-muted);
  padding:.5em .85em;border-radius:var(--r-pill);transition:color .2s,background .2s}
.doc-head-links a:hover{color:var(--lkw-primary);background:var(--lkw-bg)}
.doc-head-links a.solid{background:var(--lkw-primary);color:#fff;box-shadow:0 6px 16px rgba(29,117,188,.28)}
.doc-head-links a.solid:hover{background:var(--lkw-primary-d);color:#fff}
.doc-burger{display:none;width:42px;height:42px;border:1px solid var(--lkw-line);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex:none;color:var(--lkw-ink-2)}
.doc-burger svg{width:20px;height:20px}

/* ============================================================
   POWŁOKA: menu boczne + treść
   ============================================================ */
.doc-shell{display:flex;align-items:flex-start;min-height:calc(100vh - var(--doc-head-h))}

/* ----------------- MENU BOCZNE (ciemne) ----------------- */
.doc-side{
  flex:none;width:var(--doc-side-w);
  position:sticky;top:var(--doc-head-h);
  height:calc(100vh - var(--doc-head-h));
  overflow-y:auto;overscroll-behavior:contain;
  background:linear-gradient(185deg,var(--side-bg) 0%,#0A2138 100%);color:var(--side-text);
  border-right:1px solid var(--side-line);
  padding:18px 14px 40px;
  scrollbar-width:thin;scrollbar-color:#2C4D6E transparent;
}
.doc-side::-webkit-scrollbar{width:9px}
.doc-side::-webkit-scrollbar-thumb{background:#2C4D6E;border-radius:9px;border:2px solid var(--side-bg)}

/* wyszukiwarka */
.doc-search{position:relative;margin:4px 4px 18px}
.doc-search input{
  width:100%;font-family:var(--font-body);font-size:.92rem;color:#fff;
  background:var(--side-bg-2);border:1px solid var(--side-line);border-radius:10px;
  padding:.7em .8em .7em 2.3em;transition:border-color .2s,box-shadow .2s}
.doc-search input::placeholder{color:var(--side-muted)}
.doc-search input:focus{outline:none;border-color:var(--lkw-accent);box-shadow:0 0 0 3px rgba(75,198,229,.18)}
.doc-search svg{position:absolute;left:.72em;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--side-muted)}
.doc-search .clr{position:absolute;right:.5em;top:50%;transform:translateY(-50%);border:0;background:transparent;
  color:var(--side-muted);font-size:1.1rem;line-height:1;cursor:pointer;padding:.2em;display:none}
.doc-search.has-val .clr{display:block}

/* grupy nawigacji */
.doc-nav{display:flex;flex-direction:column;gap:2px}
.doc-group{margin-top:6px}
.doc-group:first-child{margin-top:0}
.doc-group-h{
  display:flex;align-items:center;gap:.55rem;
  font-family:var(--font-head);font-weight:600;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--side-head);padding:14px 12px 7px}
.doc-group-h .gnum{
  font-size:.62rem;width:18px;height:18px;border-radius:5px;display:grid;place-items:center;
  background:var(--side-bg-2);color:var(--side-muted);letter-spacing:0}
.doc-nav a{
  display:flex;align-items:center;gap:.55rem;position:relative;
  font-family:var(--font-head);font-weight:500;font-size:.9rem;line-height:1.3;
  color:var(--side-text);text-decoration:none;
  padding:.55em .8em;border-radius:9px;
  transition:background .16s,color .16s}
.doc-nav a .dot{width:5px;height:5px;border-radius:50%;background:var(--side-muted);flex:none;opacity:.6;transition:.16s}
.doc-nav a:hover{background:rgba(255,255,255,.055);color:#fff}
.doc-nav a:hover .dot{background:var(--lkw-accent);opacity:1}
.doc-nav a.active{
  background:linear-gradient(90deg,rgba(75,198,229,.16),rgba(29,117,188,.10));
  color:#fff;font-weight:600}
.doc-nav a.active::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:60%;border-radius:0 3px 3px 0;background:var(--lkw-grad)}
.doc-nav a.active .dot{background:var(--lkw-accent);opacity:1;box-shadow:0 0 0 3px rgba(75,198,229,.18)}

/* pod-pozycje (poziom 2) */
.doc-sub{display:flex;flex-direction:column;gap:1px;margin:1px 0 2px 0;
  padding-left:18px;border-left:1px solid var(--side-line);margin-left:14px}
.doc-sub a{font-size:.86rem;font-weight:400;color:var(--side-muted);padding:.42em .7em}
.doc-sub a:hover{color:#fff}
.doc-sub a.active{background:rgba(75,198,229,.12);color:#fff}
.doc-sub a.active::before{display:none}

.doc-empty{display:none;color:var(--side-muted);font-size:.86rem;padding:10px 14px;font-style:italic}
.doc-side.searching .doc-group-h{display:none}
.doc-side.searching .doc-sub{border-left-color:transparent;padding-left:6px;margin-left:6px}

/* stopka mini w menu */
.side-foot{margin:26px 6px 0;padding-top:16px;border-top:1px solid var(--side-line);
  font-size:.76rem;color:var(--side-muted);line-height:1.6}
.side-foot a{color:var(--side-text)}
.side-foot a:hover{color:var(--lkw-accent)}

/* ----------------- TREŚĆ ----------------- */
.doc-main{flex:1;min-width:0;background:var(--lkw-surface)}
.doc-content{padding:30px clamp(22px,4vw,68px) 64px;max-width:1180px}
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr) var(--doc-toc-w);gap:clamp(34px,4vw,64px);align-items:start}

/* okruszki */
.doc-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;
  font-family:var(--font-head);font-weight:600;font-size:.82rem;color:var(--lkw-muted);margin-bottom:1.4rem}
.doc-crumbs a{color:var(--lkw-muted);text-decoration:none}
.doc-crumbs a:hover{color:var(--lkw-primary)}
.doc-crumbs .sep{opacity:.45}
.doc-crumbs .cur{color:var(--lkw-ink-2)}

/* artykuł — bazuje na .article-prose, dodajemy tytuł + lead */
.doc-article{min-width:0}
.doc-title{font-size:clamp(2rem,1.4rem+2.2vw,3rem);line-height:1.08;margin:0 0 .5rem;color:var(--lkw-ink-2)}
.doc-lead{font-size:var(--fs-lead);color:var(--lkw-muted);line-height:1.6;max-width:64ch;margin:0 0 1.4rem}
.doc-title-rule{height:3px;width:74px;background:var(--lkw-grad);border-radius:3px;margin:0 0 2rem}
.doc-article .article-prose{max-width:none;margin:0}
.doc-article :is(h2,h3){scroll-margin-top:84px}

/* meta strony (czas czytania / aktualizacja) */
.doc-meta{display:flex;flex-wrap:wrap;gap:1.1rem;align-items:center;margin:0 0 1.6rem;
  font-family:var(--font-head);font-weight:600;font-size:.8rem;color:var(--lkw-muted)}
.doc-meta .m{display:inline-flex;align-items:center;gap:.4rem}
.doc-meta svg{width:14px;height:14px;opacity:.6}

/* callouty */
.note{display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:start;
  background:var(--lkw-bg-2);border:1px solid var(--lkw-line);border-left:4px solid var(--lkw-primary);
  border-radius:var(--r-md);padding:1rem 1.2rem;margin:1.6rem 0}
.note.tip{border-left-color:#1C8A5E;background:#EAF7F0}
.note.warn{border-left-color:#E8A23A;background:#FCF5E8}
.note .nic{width:24px;height:24px;flex:none;display:grid;place-items:center;color:var(--lkw-primary)}
.note.tip .nic{color:#1C8A5E}.note.warn .nic{color:#C9882B}
.note .nbody{min-width:0}
.note .nbody b{font-family:var(--font-head);display:block;margin-bottom:.15rem;color:var(--lkw-ink-2)}
.note .nbody p{margin:0;max-width:none;color:var(--lkw-ink);font-size:.96rem}

/* skrót klawiszowy / token */
kbd{font-family:var(--font-head);font-weight:600;font-size:.82em;background:#fff;border:1px solid var(--lkw-line);
  border-bottom-width:2px;border-radius:6px;padding:.12em .5em;color:var(--lkw-ink-2);box-shadow:var(--sh-1)}
.tag-code{font-family:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;font-size:.86em;
  background:var(--lkw-bg);border:1px solid var(--lkw-line);border-radius:6px;padding:.1em .45em;color:var(--lkw-primary)}

/* ----------------- SPIS TREŚCI (prawy) ----------------- */
.doc-toc{position:sticky;top:calc(var(--doc-head-h) + 26px);align-self:start}
.doc-toc-h{font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--lkw-muted);margin:0 0 .7rem;padding-left:13px}
.doc-toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--lkw-line)}
.doc-toc li{margin:0}
.doc-toc a{display:block;padding:.32em 0 .32em 13px;margin-left:-1px;border-left:2px solid transparent;
  color:var(--lkw-muted);font-size:.84rem;line-height:1.4;text-decoration:none;transition:.14s}
.doc-toc a.lvl3{padding-left:26px;font-size:.81rem}
.doc-toc a:hover{color:var(--lkw-primary)}
.doc-toc a.active{color:var(--lkw-primary);border-left-color:var(--lkw-primary);font-weight:600}
.doc-toc .empty{color:var(--lkw-muted);font-size:.82rem;font-style:italic;padding-left:13px}

/* ----------------- PAGER prev/next ----------------- */
.doc-pager{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:3rem;
  padding-top:2rem;border-top:1px solid var(--lkw-line)}
.doc-pager a{display:flex;flex-direction:column;gap:.25rem;text-decoration:none;
  border:1px solid var(--lkw-line);border-radius:var(--r-md);padding:1rem 1.2rem;
  transition:border-color .2s,box-shadow .2s,transform .2s;background:#fff}
.doc-pager a:hover{border-color:rgba(29,117,188,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.doc-pager .pl{font-family:var(--font-head);font-weight:600;font-size:.75rem;color:var(--lkw-muted);
  display:inline-flex;align-items:center;gap:.4rem}
.doc-pager .pl svg{width:14px;height:14px}
.doc-pager .pt{font-family:var(--font-head);font-weight:600;font-size:1rem;color:var(--lkw-ink-2)}
.doc-pager a:hover .pt{color:var(--lkw-primary)}
.doc-pager .next{text-align:right}
.doc-pager .next .pl{justify-content:flex-end}
.doc-pager a.ghost{visibility:hidden}

/* ============================================================
   PRZEGLĄD SYSTEMU — diagram (jak w referencji)
   ============================================================ */
.sys-map{position:relative;background:
   radial-gradient(120% 90% at 50% -10%,#1B3A55 0%,#15314A 45%,#102639 100%);
  border-radius:var(--r-lg);padding:30px clamp(20px,3vw,40px) 26px;margin:1.8rem 0 1.4rem;
  overflow:hidden;box-shadow:var(--sh-3);border:1px solid rgba(75,198,229,.16)}
.sys-map::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(125,185,225,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(125,185,225,.08) 1px,transparent 1px);
  background-size:30px 30px;-webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000 30%,transparent 78%);
  mask-image:radial-gradient(120% 100% at 50% 0%,#000 30%,transparent 78%)}
.sys-map > *{position:relative;z-index:1}
.sys-head{text-align:center;margin-bottom:1.5rem}
.sys-head h3{color:#fff;font-size:1.45rem;margin:0 0 .25rem}
.sys-head p{color:rgba(255,255,255,.62);font-size:.9rem;margin:0 auto;max-width:none}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:center;max-width:760px;margin:0 auto}
.sys-core{grid-column:2;grid-row:2;display:grid;place-items:center}
.sys-core .orb{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;text-align:center;
  background:var(--lkw-grad);color:#fff;font-family:var(--font-head);font-weight:600;line-height:1.1;font-size:.96rem;
  box-shadow:0 0 0 8px rgba(75,198,229,.12),0 14px 34px rgba(29,117,188,.5)}
.sys-core .orb small{display:block;font-weight:500;font-size:.66rem;opacity:.85;margin-top:.2rem}
.sys-node{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:14px;
  padding:.85rem .95rem;text-align:center;backdrop-filter:blur(2px);transition:transform .25s var(--ease),border-color .25s,background .25s}
.sys-node:hover{transform:translateY(-3px);border-color:rgba(75,198,229,.5);background:rgba(75,198,229,.08)}
.sys-node .nt{font-family:var(--font-head);font-weight:600;color:#fff;font-size:.96rem}
.sys-node .ns{display:block;color:rgba(255,255,255,.6);font-size:.74rem;margin-top:.15rem}
.sys-foot{text-align:center;color:rgba(255,255,255,.52);font-size:.78rem;margin-top:1.4rem;letter-spacing:.02em}
@media(max-width:620px){.sys-grid{grid-template-columns:1fr 1fr}.sys-core{grid-column:1/-1;grid-row:auto;margin:.4rem 0}
  .sys-node{}}

/* mockup okna panelu (lekki) w treści */
.win{border:1px solid var(--lkw-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);margin:1.6rem 0;background:#fff}
.win-bar{display:flex;align-items:center;gap:.5rem;padding:.6rem .9rem;background:#F3F8FD;border-bottom:1px solid var(--lkw-line)}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#D6E3EF;flex:none}
.win-bar .u{margin-left:.5rem;font-size:.72rem;color:var(--lkw-muted);background:#fff;border:1px solid var(--lkw-line);
  border-radius:var(--r-pill);padding:.22em .8em}
.win-body{padding:0;background:#fff}
.win-cap{font-size:.82rem;color:var(--lkw-muted);text-align:center;padding:.7rem;font-style:italic;border-top:1px solid var(--lkw-line);background:var(--lkw-bg-2)}

/* placeholder na zrzut ekranu */
.shot-ph{aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;
  background:repeating-linear-gradient(45deg,#F4F9FE,#F4F9FE 14px,#ECF4FC 14px,#ECF4FC 28px);color:var(--lkw-muted)}
.shot-ph svg{width:34px;height:34px;opacity:.5}
.shot-ph span{font-family:var(--font-head);font-weight:600;font-size:.86rem}

/* ============================================================
   STOPKA TREŚCI
   ============================================================ */
.doc-foot{border-top:1px solid var(--lkw-line);background:var(--lkw-bg-2)}
.docf-inner{max-width:1180px;padding:26px clamp(22px,4vw,68px);display:flex;flex-wrap:wrap;
  align-items:center;gap:18px 32px}
.docf-brand{display:flex;align-items:center;gap:.7rem;flex:1 1 320px;min-width:240px}
.docf-brand img{border-radius:8px;flex:none}
.docf-brand strong{font-family:var(--font-head);font-weight:600;display:block;color:var(--lkw-ink-2);font-size:.96rem}
.docf-brand span{display:block;color:var(--lkw-muted);font-size:.82rem;line-height:1.5;margin-top:.1rem}
.docf-links{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem}
.docf-links a{font-family:var(--font-head);font-weight:600;font-size:.84rem;color:var(--lkw-muted);text-decoration:none}
.docf-links a:hover{color:var(--lkw-primary)}
.docf-copy{flex-basis:100%;color:var(--lkw-muted);font-size:.78rem;border-top:1px solid var(--lkw-line);padding-top:16px}

/* ============================================================
   OVERLAY MENU (mobile)
   ============================================================ */
.doc-scrim{position:fixed;inset:0;z-index:54;background:rgba(16,30,48,.5);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .25s}
.doc-scrim.open{opacity:1;pointer-events:auto}

@media(max-width:1080px){
  :root{--doc-toc-w:0px}
  .doc-layout{grid-template-columns:1fr}
  .doc-toc{display:none}
}
@media(max-width:880px){
  .doc-burger{display:inline-flex;order:-1}
  .doc-head .doc-divider,.doc-kicker{display:none}
  .doc-side{position:fixed;top:0;left:0;height:100vh;z-index:55;width:300px;max-width:86vw;
    padding-top:18px;transform:translateX(-104%);transition:transform .28s var(--ease);
    box-shadow:0 20px 60px rgba(8,24,44,.5)}
  .doc-side.open{transform:none}
  .doc-head-links a:not(.solid){display:none}
}
@media(max-width:560px){
  .doc-pager{grid-template-columns:1fr}
  .doc-pager a.ghost{display:none}
}
@media print{
  .doc-head,.doc-side,.doc-toc,.doc-pager,.read-bar,.doc-burger{display:none!important}
  .doc-layout{grid-template-columns:1fr}
  .doc-content{padding:0;max-width:none}
}