:root{
  --cream:#fffbf4; --paper:#fffefa; --ink:#1b1b1b; --purple:#5938b7;
  --purple-light:#a98df6; --purple-pale:#eee8ff; --purple-deep:#201547;
  --line:#ded6cc; --muted:#685f58; --max:820px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);
  font:17px/1.66 "Geist",ui-sans-serif,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}
h1,h2,h3,h4{font-family:"Signika",sans-serif;letter-spacing:-.02em;line-height:1.15;margin:0}
h1{font-size:clamp(2rem,4.2vw,3rem);margin-bottom:22px}
h2{font-size:clamp(1.45rem,2.6vw,2rem);margin:52px 0 16px}
h3{font-size:1.2rem;margin:34px 0 12px}
h4{font-size:1.02rem;margin:26px 0 10px}
p{margin:0 0 17px}
a{color:var(--purple)}
strong{font-weight:700}
code{background:var(--purple-pale);border-radius:5px;padding:1px 6px;
  font:500 .87em/1.4 "Geist Mono",ui-monospace,monospace}
pre{overflow-x:auto;padding:18px 20px;border-radius:12px;background:var(--purple-deep);color:#fff}
pre code{background:none;color:inherit;padding:0}
hr{height:1px;margin:44px 0;border:0;background:var(--line)}
blockquote{margin:0 0 20px;padding:16px 20px;border-left:3px solid var(--purple);
  background:var(--paper);color:var(--muted)}
pre.mermaid{margin:0 0 10px;padding:30px 18px;border:1px solid var(--line);border-radius:16px;
  background:var(--paper);overflow-x:auto;text-align:center;font-size:0;line-height:0}
pre.mermaid svg{width:100%;max-width:none;height:auto}
.diagram-note{margin:0 0 30px;color:var(--muted);font-size:.82rem}
pre.mermaid.zoomable{cursor:zoom-in;position:relative;transition:border-color .15s ease}
pre.mermaid.zoomable:hover,pre.mermaid.zoomable:focus-visible{border-color:var(--purple);outline:none}
pre.mermaid.zoomable:after{content:"⤢ zvětšit";position:absolute;right:14px;bottom:12px;
  padding:5px 11px;border-radius:999px;background:var(--purple-pale);color:var(--purple);
  font:600 .68rem/1 "Geist Mono",monospace;letter-spacing:.06em}
.lb{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:44px 28px;
  background:rgba(27,27,27,.82);backdrop-filter:blur(3px);cursor:zoom-out}
.lb[hidden]{display:none}
.lb-in{width:min(1500px,96vw);max-height:88vh;overflow:auto;padding:30px 26px;
  border-radius:18px;background:var(--paper);cursor:default}
.lb-in svg{width:100%;height:auto}
.lb-x{position:absolute;top:18px;right:22px;width:40px;height:40px;border:0;border-radius:50%;
  background:var(--paper);color:var(--ink);font-size:17px;cursor:pointer;line-height:1}
.lb-x:hover{background:#fff}
.copybox{margin:0 0 26px;padding:26px 28px;border:1px solid var(--line);border-radius:16px;
  background:var(--paper);box-shadow:0 2px 4px rgba(90,60,20,.04),0 10px 28px rgba(90,60,20,.06)}
.copybox p:last-child{margin-bottom:0}
.copybox-label{display:inline-block;margin-bottom:16px;padding:5px 11px;border-radius:999px;
  background:var(--purple-pale);color:var(--purple);
  font:600 .68rem/1 "Geist Mono",ui-monospace,monospace;letter-spacing:.09em;text-transform:uppercase}
ul,ol{margin:0 0 18px;padding-left:22px}
li{margin-bottom:8px}
.scroll{overflow-x:auto;margin:0 0 22px}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:"Signika",sans-serif;font-size:.92rem;border-bottom:2px solid var(--line)}

.flag{background:var(--purple-deep);color:#fff;padding:11px 20px;text-align:center;
  font:500 13px/1.45 "Geist",sans-serif}
.shell{display:grid;grid-template-columns:266px minmax(0,1fr);gap:0;align-items:start}
.side{position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;padding:34px 24px 28px;
  border-right:1px solid var(--line);background:var(--paper)}
.side-top{display:contents}
.burger{display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);
  border-radius:12px;background:var(--cream);cursor:pointer;flex-direction:column;
  justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:19px;height:2px;border-radius:2px;background:var(--ink)}
.brand{font-family:"Signika",sans-serif;font-weight:700;font-size:1.08rem;
  text-decoration:none;color:var(--ink);line-height:1.25}
.brand span{display:block;margin-top:3px;font-family:"Geist",sans-serif;font-weight:400;
  font-size:.78rem;color:var(--muted)}
nav{display:flex;flex-direction:column;gap:2px}
nav a{padding:9px 13px;border-radius:10px;text-decoration:none;color:var(--muted);
  font-size:.85rem;line-height:1.35}
nav a:hover{background:var(--purple-pale);color:var(--purple)}
nav a.key{color:var(--ink);font-weight:600}
nav a.sub{margin-left:12px;font-size:.81rem;opacity:.9}
nav a.on{background:var(--purple);color:#fff;font-weight:600}
.side-zip{margin-top:auto;padding:11px 14px;border:1px solid var(--line);border-radius:10px;
  text-align:center;text-decoration:none;color:var(--purple);background:var(--cream);
  font:600 .82rem/1.2 "Geist",sans-serif}
.side-zip:hover{border-color:var(--purple)}
.col{min-width:0}
main{padding:54px 0 70px}
main .wrap,main>*{}
.col main,.col footer{width:min(800px,calc(100% - 96px));margin:0 0 0 clamp(28px,4vw,64px)}
pre.mermaid{width:min(1180px,calc(100vw - 380px));max-height:560px;overflow:auto}
@media(max-width:900px){pre.mermaid{width:100%}}
.toc{margin:0 0 40px;padding:20px 24px;border:1px solid var(--line);border-radius:14px;
  background:var(--paper)}
.toc b{display:block;margin-bottom:10px;color:var(--muted);
  font:600 .7rem/1 "Geist Mono",monospace;letter-spacing:.1em;text-transform:uppercase}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:32px}
.toc li{margin-bottom:6px;font-size:.92rem}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
@media(max-width:700px){.toc ol{columns:1}}
.meta{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:20px}
.limit{color:var(--muted);font:500 .72rem/1 "Geist Mono",monospace;letter-spacing:.06em}
.limit.over{color:#b53a12}
.step{display:inline-block;color:var(--purple);
  font:600 .72rem/1 "Geist Mono",monospace;letter-spacing:.1em;text-transform:uppercase}
.tl{list-style:none;counter-reset:tl;margin:34px 0 44px;padding:0;position:relative}
.tl:before{content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl li{position:relative;padding:0 0 30px 46px;counter-increment:tl}
.tl li:before{content:counter(tl);position:absolute;left:0;top:0;width:28px;height:28px;
  display:grid;place-items:center;border-radius:50%;background:var(--purple-pale);
  color:var(--purple);font:700 .78rem/1 "Geist Mono",monospace}
.tl li.tl-now:before{background:var(--purple);color:#fff}
.tl-when{display:block;margin-bottom:5px;color:var(--muted);
  font:500 .7rem/1 "Geist Mono",monospace;letter-spacing:.09em;text-transform:uppercase}
.tl h3{margin:0 0 8px;font-size:1.14rem}
.tl p{margin:0 0 9px;font-size:.96rem}
.tl-out{color:var(--muted)}
.tl-link{display:inline-block;margin:5px 8px 0 0;padding:6px 13px;border:1px solid var(--line);
  border-radius:999px;background:var(--paper);color:var(--purple);text-decoration:none;
  font:500 .8rem/1 "Geist",sans-serif}
.tl-link:hover{border-color:var(--purple)}
.tl-link-on{background:var(--purple);border-color:var(--purple);color:#fff}
.dock{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;
  align-items:flex-end;gap:7px}
.dock-btn{padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--paper);
  color:var(--muted);text-decoration:none;cursor:pointer;box-shadow:0 6px 18px rgba(62,39,20,.1);
  font:500 .78rem/1 "Geist Mono",ui-monospace,monospace}
.dock-btn:hover{border-color:var(--purple);color:var(--purple)}
.dock-btn.zip{background:var(--purple);border-color:var(--purple);color:#fff;
  box-shadow:0 8px 22px rgba(89,56,183,.28)}
.dock-btn.zip:hover{color:#fff;background:#4a2da0}
.dock-raw{position:absolute;left:-9999px;width:1px;height:1px}
@media (max-width:640px){.dock{right:10px;bottom:10px}.dock-btn{font-size:.72rem;padding:7px 10px}}
footer{padding:30px 0 80px;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem}
footer p{margin:0 0 6px}
@media (max-width:900px){
  .shell{display:block}
  .side{position:sticky;top:0;z-index:30;height:auto;display:block;
    padding:14px 20px;border-right:0;border-bottom:1px solid var(--line)}
  .side-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .burger{display:flex}
  nav{display:none;flex-direction:column;gap:2px;margin-top:14px;
    padding-top:14px;border-top:1px solid var(--line)}
  .side.open nav{display:flex}
  nav a{padding:11px 13px;font-size:.92rem}
  .side-zip{display:none;margin-top:12px}
  .side.open .side-zip{display:block}
  .col main,.col footer{width:calc(100% - 40px);margin:0 auto}
  main{padding:32px 0 50px}
}
@media (max-width:640px){
  body{font-size:16px}
  nav a{font-size:.8rem;padding:5px 9px}
  main{padding:36px 0 50px}
}