:root {
  --bg: #f6f2ea; --panel: #fffdf8; --ink: #2b2620; --mdl: #7a6f62; --line: #cfc3b0;
  --accent: #8a4b2a; --muz: #3f6b8a; --zena: #9a4f6a; --skryty: #ece6db; --stin: 0 10px 40px rgba(40,30,20,.25);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1915; --panel: #26221d; --ink: #ece4d6; --mdl: #a69a89; --line: #4a4137;
    --accent: #e0a07a; --muz: #8cb7d6; --zena: #e09ab4; --skryty: #2d2823; --stin: 0 10px 40px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; }
body.bez-scrollu { overflow: hidden; }
a { color: var(--accent); }
h1, h2, h3 { font-weight: 600; line-height: 1.2; }
h1 { font-size: 1.8rem; margin: .4em 0 .5em; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; margin: 1.6em 0 .6em; border-bottom: 1px solid var(--line); padding-bottom: .3em; }
.mdl, small { color: var(--mdl); }
button { font: inherit; cursor: pointer; }

.top { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: center; padding: .8rem 1rem;
  border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.logo { font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: .02em; }
.verze { font: 11px/1 system-ui, sans-serif; text-transform: uppercase; letter-spacing: .08em;
  background: var(--accent); color: var(--panel); padding: .35em .55em; border-radius: 3px; }
.top nav { display: flex; gap: 1.1rem; margin-left: auto; font-family: system-ui, sans-serif; font-size: .95rem; }
.top nav a { text-decoration: none; color: var(--mdl); padding: .2em 0; }
.top nav a[aria-current] { color: var(--ink); border-bottom: 2px solid var(--accent); }
main { max-width: 1400px; margin: 0 auto; padding: 1rem 1rem 3rem; }
footer { max-width: 1400px; margin: 0 auto; padding: 1.5rem 1rem 2.5rem; color: var(--mdl); font-size: .85rem;
  border-top: 1px solid var(--line); }
footer a { margin-left: .5em; }

/* výběr linie */
.linie { scroll-margin-top: 4.5rem; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: .3rem 0 .8rem; font-family: system-ui, sans-serif; font-size: .9rem; }
.linie-l { color: var(--mdl); margin-right: .2rem; }
.linie > button { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line);
  padding: .35rem .8rem; border-radius: 999px; }
.linie > button:hover { border-color: var(--accent); }
.napoveda { color: var(--mdl); font-size: .88rem; margin: 0 0 .8rem; max-width: 60em; }

/* strom shora dolů – celý najednou na ploše s přibližováním */
.plocha { position: relative; height: 60vh; overflow: hidden; touch-action: none; cursor: grab;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 22px 22px; }
.plocha:active { cursor: grabbing; }
.strom { position: absolute; left: 0; top: 0; transform-origin: 0 0; width: max-content; padding: 24px; user-select: none; }
.strom ul { list-style: none; margin: 0; padding: 0; display: flex; justify-content: center; position: relative; }
.strom li { display: flex; flex-direction: column; align-items: center; position: relative; padding: 0 4px; }
.strom li > ul { padding-top: 26px; }
.strom li > ul::before { content: ""; position: absolute; top: 0; left: 50%; height: 13px; border-left: 1.5px solid var(--line); }
.strom ul ul > li { padding-top: 13px; }
.strom ul ul > li::before { content: ""; position: absolute; top: 0; left: 50%; height: 13px; border-left: 1.5px solid var(--line); }
.strom ul ul > li::after { content: ""; position: absolute; top: 0; border-top: 1.5px solid var(--line); }
.strom ul ul > li:first-child::after { left: 50%; right: 0; }
.strom ul ul > li:last-child::after { left: 0; right: 50%; }
.strom ul ul > li:only-child::after { display: none; }
.strom ul ul { margin-top: -13px; }
.uzel { display: block; width: 8.8rem; padding: .4rem .45rem .45rem; background: var(--bg); border: 1px solid var(--line);
  border-top: 4px solid var(--muz); border-radius: 5px; text-decoration: none; color: var(--ink); line-height: 1.22;
  text-align: center; font-size: .92rem; -webkit-user-drag: none; }
.uzel.zena { border-top-color: var(--zena); }
.u-jm { display: block; }
.u-jm b { font-weight: 700; }
.uzel small, .uzel em { display: block; font: .7rem/1.3 system-ui, sans-serif; margin-top: .2rem; }
.uzel em { font-style: normal; color: var(--accent); }
a.uzel:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(0,0,0,.1); }
.uzel.skryty { background: var(--skryty); color: var(--mdl); }
.uzel.neznamy { border-style: dashed; border-top-width: 1px; background: transparent; color: var(--mdl); font: .72rem system-ui, sans-serif; }
.par { display: flex; flex-direction: column; gap: 5px; }
.par .uzel { border-top-width: 1px; border-left: 4px solid var(--muz); }
.par .uzel.zena { border-left-color: var(--zena); border-top-color: var(--line); }
.uzel.zvyraznit { outline: 3px solid var(--accent); outline-offset: 3px; transition: outline-color 1s; }
.zijici { color: var(--mdl); font-style: italic; }
.zoom-tl { margin-left: auto; display: flex; gap: .35rem; }
.zoom-tl button { width: 2.2rem; height: 2.2rem; border-radius: 50%; border: 1px solid var(--line); background: var(--panel);
  color: var(--ink); font-size: 1.2rem; line-height: 1; }
.zoom-tl button:hover { border-color: var(--accent); }

/* osoby */
#hledat { width: 100%; max-width: 28rem; padding: .55rem .7rem; font: inherit; border: 1px solid var(--line);
  border-radius: 4px; background: var(--panel); color: var(--ink); }
.rod h2 { margin: 1.4em 0 .4em; border-bottom: 1px solid var(--line); padding-bottom: .25em; }
.seznam { list-style: none; padding: 0; margin: 0; columns: 2 26rem; column-gap: 2.5rem; }
.seznam li { padding: .3rem 0; border-bottom: 1px dotted var(--line); break-inside: avoid; }
.gen { font: .72rem system-ui, sans-serif; color: var(--mdl); background: var(--skryty); padding: .1em .45em; border-radius: 3px; }
.uvodtext { max-width: 48em; }

/* karty zápisů */
.karty { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .8rem; }
.karta { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 5px;
  overflow: hidden; text-decoration: none; color: var(--ink); }
.karta:hover { border-color: var(--accent); }
.karta img { width: 100%; height: 120px; object-fit: cover; object-position: left top; filter: sepia(.15); }
.karta span { padding: .55rem .7rem; line-height: 1.35; font-size: .95rem; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 20; background: rgba(20,15,10,.55); display: flex; align-items: flex-start;
  justify-content: center; padding: 4vh 1rem; overflow-y: auto; }
.modal-okno { position: relative; width: 100%; max-width: 820px; background: var(--bg); border-radius: 8px; box-shadow: var(--stin);
  padding: 1.4rem 1.5rem 1.8rem; }
.modal-okno h2 { font-size: 1.6rem; margin: 0 2.5rem .7rem 0; }
.zavrit { position: absolute; top: .6rem; right: .6rem; width: 2.4rem; height: 2.4rem; border-radius: 50%; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); font-size: 1.5rem; line-height: 1; }
.zavrit:hover { border-color: var(--accent); }
.udaje { border-collapse: collapse; margin: .3rem 0; }
.udaje th { text-align: left; vertical-align: top; font: 600 .82rem system-ui, sans-serif; color: var(--mdl);
  padding: .4rem 1.1rem .4rem 0; white-space: nowrap; }
.udaje td { padding: .35rem 0; }
.pozn { background: var(--panel); border-left: 3px solid var(--line); padding: .6rem .9rem; }
.jistota { font: .72rem system-ui, sans-serif; vertical-align: middle; padding: .2em .55em; border-radius: 3px;
  background: var(--skryty); color: var(--mdl); }
.tl { display: inline-block; font: .85rem system-ui, sans-serif; text-decoration: none; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); padding: .35rem .8rem; border-radius: 4px; }
.tl:hover { border-color: var(--accent); }
.kdo { font-size: 1.1rem; margin-top: 0; }
.nahledy { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .6rem; }
.nahled { display: flex; flex-direction: column; text-decoration: none; color: var(--mdl); font: .78rem system-ui, sans-serif;
  border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--panel); }
.nahled img { width: 100%; height: 130px; object-fit: cover; object-position: left top; background: #fff; }
.nahled span { padding: .3rem .5rem; }
.nahled:hover { border-color: var(--accent); }
.prepis { white-space: pre-line; }

/* prohlížeč obrázků */
.lightbox { position: fixed; inset: 0; z-index: 30; background: rgba(10,8,6,.97); display: flex; flex-direction: column; }
.lb-lista { display: flex; align-items: center; gap: 1rem; padding: .6rem .8rem; color: #e8dfd0; font: .9rem system-ui, sans-serif; }
.lb-lista #lb-popis { flex: 1; }
.lb-tlacitka { display: flex; gap: .5rem; }
.lb-tlacitka button { width: 2.5rem; height: 2.5rem; border-radius: 50%; border: 1px solid #5a5045; background: #2a241e; color: #f3ead9; font-size: 1.2rem; }
.lb-tlacitka #lb-zavrit { font-size: 1.6rem; line-height: 1; }
.lb-plocha { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 0 3.6rem 1rem; overflow: hidden; }
.lb-plocha img { max-width: 100%; max-height: 100%; object-fit: contain; cursor: zoom-in; background: #fff; }
.lb-plocha.zoom { overflow: auto; display: block; padding: 0; }
.lb-plocha.zoom img { max-width: none; max-height: none; cursor: zoom-out; }
.lb-sipka { position: absolute; top: 50%; transform: translateY(-50%); width: 3rem; height: 4.5rem; border: 0; border-radius: 6px;
  background: rgba(60,50,40,.7); color: #fff; font-size: 2.4rem; line-height: 1; z-index: 2; }
.lb-sipka:hover { background: rgba(120,90,60,.9); }
.lb-prev { left: .4rem; } .lb-next { right: .4rem; }
@media (max-width: 640px) {
  .modal { padding: 0; }
  .modal-okno { border-radius: 0; min-height: 100%; padding: 1rem 1rem 2rem; }
  .modal-okno h2 { font-size: 1.35rem; }
  .udaje th { white-space: normal; }
  .lb-plocha { padding: 0 0 .5rem; }
  .nahledy { grid-template-columns: repeat(3, 1fr); gap: .4rem; }
  .nahled img { height: 90px; }
  .lb-sipka { width: 2.4rem; height: 3.5rem; font-size: 2rem; top: auto; bottom: 1rem; transform: none; }
}

/* úvod */
.uvod { margin: .2rem 0 1.6rem; }
.uvod h1 { margin-bottom: .3em; }
.uvod > p { max-width: 52em; font-size: 1.05rem; }
.cisla { list-style: none; padding: 0; margin: .6rem 0 1rem; display: flex; flex-wrap: wrap; gap: .4rem 1.8rem; font-family: system-ui, sans-serif; color: var(--mdl); }
.cisla b { font-size: 1.35rem; color: var(--accent); margin-right: .2em; }
.cisla .akt { align-self: flex-end; }
.cisla .akt b { font-size: 1rem; color: var(--ink); margin-left: .2em; }
.linie-karty { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .8rem; }
.lk { background: var(--panel); border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: 6px; padding: .8rem 1rem 1rem;
  display: flex; flex-direction: column; }
.lk h2 { margin: 0 0 .15rem; font-size: 1.15rem; }
.lk .kraj { font: .78rem system-ui, sans-serif; color: var(--mdl); margin: 0 0 .5rem; }
.lk p { margin: 0 0 .7rem; font-size: .95rem; flex: 1; }
.lk .tl { align-self: flex-start; }
.uvod-hlava { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.2rem; }
.uvod-hlava h1 { margin: .3em 0; }
.uvod-sbalit { display: inline-flex; align-items: center; gap: .45rem; font: 500 .88rem system-ui, sans-serif; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .6rem .4rem .95rem; }
.uvod-sbalit:hover { border-color: var(--accent); color: var(--accent); }
.uvod-sbalit i { font-style: normal; display: inline-grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%;
  background: var(--skryty); font-size: .8rem; transition: transform .2s; }
.uvod-sbalit[aria-expanded="true"] i { transform: rotate(180deg); }
.lk button.tl { font: .85rem system-ui, sans-serif; }

.zaj { display: grid; gap: 1rem; max-width: 60em; }
.zaj-k { display: grid; grid-template-columns: 220px 1fr; gap: 1rem; background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: .9rem; }
.zaj-k h2 { font-size: 1.2rem; margin: 0 0 .4rem; }
.zaj-k p { margin: 0 0 .5rem; line-height: 1.5; }
.zaj-rok { font: 600 .85rem system-ui, sans-serif; color: var(--accent); letter-spacing: .05em; }
.zaj-obr img { width: 100%; height: 150px; object-fit: cover; object-position: left top; border-radius: 3px; filter: sepia(.15); display: block; }
@media (max-width: 640px) { .zaj-k { grid-template-columns: 1fr; } .zaj-obr img { height: 110px; } }