:root{
  --paper:#ece3d3; --paper2:#f7f2e7; --ink:#2c2620; --muted:#8a7862; --line:#d9ccb6;
  --rail:#2a2320; --rail-fg:#cdbfa9; --rail-mut:#8d7c66; --accent:#9c5a3c; --accent2:#b06a44;
  --pill:#e3d6bf;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---- header ---- */
.top{position:sticky;top:0;z-index:20;background:var(--rail);color:var(--rail-fg)}
.top-in{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:Georgia,serif;font-size:20px;font-weight:400;color:#f3ebd9}
.brand b{color:var(--accent2)}
.topnav a{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--rail-mut)}
.topnav a:hover{color:#f3ebd9}
.top-r{display:flex;align-items:center;gap:16px}
.burger{display:none;align-items:center;gap:7px;font:inherit;font-size:14px;font-weight:600;color:var(--rail-fg);
  background:transparent;border:1px solid #463c35;border-radius:8px;padding:6px 11px;cursor:pointer;line-height:1}
.burger:hover{color:#f3ebd9;border-color:#6a5c50}

/* ---- hlavička hostitele (režim vzhled) ---- */
.hh{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.hh-in{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap}
.hh-brand{display:flex;align-items:center;gap:10px;font-family:'Lora',Georgia,serif;
  font-weight:600;font-size:19px;color:var(--ink)}
.hh-brand img{width:30px;height:30px;border-radius:50%;object-fit:cover}
.hh-menu{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hh-menu a{font-size:15px;font-weight:500;color:var(--ink);opacity:.72}
.hh-menu a:hover{opacity:1}
.hh-menu a.pill{background:var(--accent);color:var(--paper2);opacity:1;
  padding:8px 17px;border-radius:100px;font-size:14px;font-weight:600}
.hh-menu a.pill:hover{background:var(--accent2)}
body.detail-body .hh{position:static;flex-shrink:0}
body.immersive .hh{display:none}

/* layout bez lišty roků (režim vzhled) */
.layout.bez-railu{grid-template-columns:1fr;max-width:1080px}

/* ---- layout: rail + main ---- */
.layout{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:180px 1fr}
.rail{background:var(--rail);color:var(--rail-fg);padding:20px 0 40px;min-height:70vh}
.rail-lg{padding:0 20px 12px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--rail-mut)}
.rail-a{display:flex;justify-content:space-between;align-items:center;padding:9px 20px;font-size:14px;
  color:var(--rail-mut);border-left:3px solid transparent}
.rail-a:hover{color:#f3ebd9;background:#332a25}
.rail-a .c{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:#6f6150}
.rail-a.on{color:#f3ebd9;border-left-color:var(--accent2);background:#332a25}
.rail-a.on .c{color:var(--accent2)}

.main{padding:20px 26px 60px;min-width:0}

/* ---- breadcrumb ---- */
.crumb{font-size:13px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px}
.crumb a{color:var(--accent);font-weight:600}
.crumb b{color:var(--ink)}

/* ---- head ---- */
.head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.head h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(24px,3.5vw,32px);margin:0}
.head .m{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted)}
.popis{color:#6b5c47;max-width:70ch;margin:0 0 20px}
.prazdno{color:var(--muted)}

/* ---- album cards ---- */
.alba{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin-bottom:28px}
.al{display:block}
.al-ph{aspect-ratio:3/2;overflow:hidden;border-radius:8px;border:1px solid var(--line);background:var(--paper2);
  box-shadow:0 6px 16px -12px rgba(70,45,20,.5)}
.al-ph img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.al:hover .al-ph img{transform:scale(1.04)}
.al-row{display:flex;justify-content:space-between;align-items:center;margin-top:9px;gap:8px}
.al-row b{font-family:Georgia,serif;font-size:16px;font-weight:400}
.al-row .cnt{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:#7a5a41;background:var(--pill);
  border-radius:20px;padding:2px 9px;flex-shrink:0}

/* ---- thumbnail grid ---- */
.mrizka{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:7px}
.mrizka .t{aspect-ratio:1;overflow:hidden;border-radius:5px;border:1px solid var(--line);background:var(--paper2)}
.mrizka .t img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.mrizka .t:hover img{transform:scale(1.05)}

/* ---- detail: stránka přesně na výšku okna, fotka vždy celá ---- */
body.detail-body{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
body.detail-body .top{position:static;flex-shrink:0}
body.detail-body .paticka{display:none}
.detail-wrap{flex:1;min-height:0;display:flex;flex-direction:column;width:100%;
  max-width:1200px;margin:0 auto;padding:12px 26px 14px}
.detail{flex:1;min-height:0;display:flex;flex-direction:column}
.dtoolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-shrink:0}
.btnback{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--accent);
  border:1px solid var(--accent);padding:7px 14px;border-radius:7px}
.btnback:hover{background:var(--accent);color:var(--paper2)}
.counter{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted)}
.viewer{flex:1;min-height:0;display:flex;align-items:center;gap:14px;justify-content:center}
.nav{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--paper2);
  color:var(--accent);font-size:22px;display:flex;align-items:center;justify-content:center}
.nav:hover{background:var(--accent);color:var(--paper2)}
.nav.off{opacity:.3;pointer-events:none}
.photo{flex:1 1 auto;min-width:0;height:100%;display:flex;align-items:center;justify-content:center}
/* fotka dostane přesně zbývající místo viewportu — vejde se vždy celá */
.photo img{max-width:100%;max-height:100%;width:auto;height:auto;border-radius:8px;
  border:1px solid var(--line);box-shadow:0 18px 40px -24px rgba(70,45,20,.55)}
.caption{flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:14px;
  flex-wrap:wrap;margin-top:12px;text-align:center}
.caption .t{font-family:Georgia,serif;font-size:18px}
.caption .m{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted)}
.caption .dl{display:inline-block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--paper2);background:var(--accent);padding:6px 14px;border-radius:7px;font-weight:700}
.caption .dl:hover{background:var(--accent2)}
.dtools{display:flex;align-items:center;gap:12px}
.btnfs{display:flex;align-items:center;line-height:1;color:var(--accent);background:var(--paper2);
  border:1px solid var(--line);border-radius:7px;padding:7px 10px;cursor:pointer}
.btnfs:hover{background:var(--accent);color:var(--paper2)}

/* nápověda po najetí (hned, ne až po vteřině jako title) */
[data-tip]{position:relative}
[data-tip]::after{content:attr(data-tip);position:absolute;top:calc(100% + 8px);right:0;
  background:var(--ink);color:var(--paper2);font-size:12px;font-weight:500;padding:5px 10px;
  border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;
  transform:translateY(-4px);transition:opacity .15s,transform .15s;z-index:60}
[data-tip]:hover::after,[data-tip]:focus-visible::after{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-tip]::after{transition:none}}

/* režim „jen fotka“: zmizí vše kromě obrázku a křížku zpět */
.fs-close{display:none;position:fixed;top:14px;right:16px;z-index:50;width:40px;height:40px;
  align-items:center;justify-content:center;font:inherit;font-size:18px;cursor:pointer;
  border-radius:50%;border:1px solid var(--line);background:var(--paper2);color:var(--ink);opacity:.85}
.fs-close:hover{opacity:1;background:var(--accent);color:var(--paper2)}
body.immersive .fs-close{display:flex}
body.immersive .top,body.immersive .crumb,body.immersive .dtoolbar,
body.immersive .caption,body.immersive .nav,body.immersive .paticka{display:none}
body.immersive .detail-wrap{padding:0;max-width:none}
body.immersive .viewer{gap:0}
body.immersive .photo img{border:0;border-radius:0;box-shadow:none}

/* ---- footer ---- */
.paticka{border-top:1px solid var(--line)}
.paticka-in{max-width:1120px;margin:0 auto;padding:24px;display:flex;justify-content:space-between;
  font-size:13px;color:var(--muted)}

@media (max-width:760px){
  .burger{display:inline-flex}
  .layout{grid-template-columns:1fr}
  /* lišta „Alba" skrytá pod sendvičem, rozbalí se nad fotky */
  .rail{display:none;min-height:0;padding:8px 0 14px}
  body.rail-open .rail{display:block}
  .rail-lg{padding:6px 20px 8px}
  .rail-a{padding:11px 20px}
  .main{padding:18px}
  .nav{width:36px;height:36px;font-size:18px}
  .detail-wrap{padding:10px 12px 10px}
}