/* Průvodce „Jak se staví software“ – jen stránka Digital (build.mjs pro route.type 'digital').
   Pravidla: bez JavaScriptu platí konečný stav, vše je vidět. Třída .is-live (přidá guide.mjs) zapíná výchozí stavy animací.
   Noc: html[data-appearance=night]. Světla se rozsvěcují třídou .is-lit na prvcích s data-light. */
.only-night{display:none}
html[data-appearance=night] .only-night{display:inline}
html[data-appearance=night] .only-day{display:none}
.guide-lead{font-size:16px;line-height:1.55;color:var(--muted);max-width:52ch;margin:0 0 22px}
.guide-chapter{margin-top:70px;padding-top:70px;border-top:1px solid var(--line);scroll-margin-top:90px;overflow-x:clip}
.guide-chapter h3{font-size:clamp(34px,4.2vw,50px);line-height:1.02;letter-spacing:-.05em;font-weight:560;margin:14px 0}
.guide-chapter .eyebrow{margin-bottom:0}
@keyframes guideFade{from{opacity:0}}
/* rozcestník kapitol */
.guide-toc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.toc-card{display:flex;flex-direction:column;gap:10px;padding:18px 18px 20px;border:1px solid var(--line);border-radius:16px;color:inherit;text-decoration:none;background:var(--bg);transition:border-color .35s,transform .45s cubic-bezier(.2,.9,.3,1.3),box-shadow .45s}
.toc-card:hover,.toc-card:focus-visible{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 20px 40px -22px #0000005a}
.toc-card small{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--muted)}
.toc-card strong{font-size:19px;letter-spacing:-.02em;line-height:1.2}
.toc-text{font-size:13.5px;color:var(--muted);line-height:1.45}
.toc-card em{font-style:normal;font-size:12.5px;font-weight:600;margin-top:auto}
.toc-ill{position:relative;display:block;height:120px;border-radius:12px;background:var(--soft);overflow:hidden;transition:background .7s,box-shadow .7s}
.toc-layers i{position:absolute;left:50%;top:50%;width:84px;height:54px;margin:-27px 0 0 -42px;border-radius:8px;border:1.5px solid var(--blue);background:var(--bg);transform:translateY(var(--y)) rotateX(58deg) rotateZ(-45deg);transition:transform .6s cubic-bezier(.2,.9,.3,1.3),border-color .6s,box-shadow .6s}
.toc-layers i:nth-child(1){--y:22px}.toc-layers i:nth-child(2){--y:4px}.toc-layers i:nth-child(3){--y:-14px}
.toc-card:hover .toc-layers i:nth-child(1),.toc-card:focus-visible .toc-layers i:nth-child(1){--y:30px}
.toc-card:hover .toc-layers i:nth-child(3),.toc-card:focus-visible .toc-layers i:nth-child(3){--y:-24px}
.toc-route svg{display:block;width:100%;height:100%}
.toc-route path{fill:none;stroke:var(--line);stroke-width:2.5;stroke-linecap:round}
.toc-route .lt{stroke:var(--blue);stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.1s cubic-bezier(.6,0,.3,1)}
.toc-card:hover .toc-route .lt,.toc-card:focus-visible .toc-route .lt{stroke-dashoffset:0}
.toc-route circle{fill:var(--bg);stroke:var(--blue);stroke-width:2}
.toc-xray i{position:absolute;inset:14px 18px;border-radius:8px;border:1.5px solid var(--line);background:linear-gradient(var(--line) 0 0) 10px 12px/40% 6px no-repeat,linear-gradient(var(--line) 0 0) 10px 24px/60% 10px no-repeat,linear-gradient(var(--line) 0 0) 10px 42px/30% 16px no-repeat;overflow:hidden}
.toc-xray i::before{content:"";position:absolute;inset:0;background:#0a2a55;opacity:.85;mix-blend-mode:multiply;clip-path:inset(0 60% 0 0);transition:clip-path .9s cubic-bezier(.6,0,.3,1),opacity .7s}
.toc-xray i::after{content:"";position:absolute;top:0;bottom:0;left:40%;width:2px;background:var(--g-xray);box-shadow:0 0 10px var(--g-xray);transition:left .9s cubic-bezier(.6,0,.3,1)}
.toc-card:hover .toc-xray i::before,.toc-card:focus-visible .toc-xray i::before{clip-path:inset(0 12% 0 0)}
.toc-card:hover .toc-xray i::after,.toc-card:focus-visible .toc-xray i::after{left:88%}
html[data-appearance=night] .toc-card:hover,html[data-appearance=night] .toc-card:focus-visible{border-color:#ffcf6e88;box-shadow:0 0 0 1px #ffcf6e44,0 24px 50px -22px #ffb54755}
html[data-appearance=night] .toc-route .lt{stroke:var(--g-warm);filter:drop-shadow(0 0 3px var(--g-halo))}
html[data-appearance=night] .toc-route circle{stroke:var(--g-warm)}
html[data-appearance=night] .toc-layers i{background:#1a2233;box-shadow:0 0 14px #4b6bf255}
html[data-appearance=night] .toc-xray i::before{background:radial-gradient(circle at 60% 50%,#ffcf6e55,#0000 60%);mix-blend-mode:normal;clip-path:none;opacity:0}
html[data-appearance=night] .toc-xray i::after{display:none}
@media(max-width:850px){.guide-toc{grid-template-columns:1fr}.guide-chapter{margin-top:50px;padding-top:50px}}
/* omezení pohybu ze systému: žádný pohyb, konečné stavy */
@media(prefers-reduced-motion:reduce){.guide *,.guide *::before,.guide *::after{animation:none!important;transition:none!important}}
/* ── Kapitola 1: Z čeho se skládá aplikace ── */
.layers-grid{display:grid;grid-template-columns:minmax(0,41fr) minmax(0,59fr);gap:24px;align-items:start}
.layer-list{border-top:1px solid var(--line)}
.layer-btn{display:flex;width:100%;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding:12px 10px 12px 16px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font:inherit;font-size:15px;text-align:left;cursor:pointer;position:relative;transition:background .3s}
.layer-btn strong{font-weight:600}
.layer-btn span{font-size:12.5px;color:var(--muted)}
.layer-btn::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:transparent;transition:background .3s,box-shadow .3s}
.layer-btn[aria-pressed=true]{background:var(--soft)}
.layer-btn[aria-pressed=true]::before{background:var(--blue)}
.layer-btn:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.layer-panel{padding:14px 2px 20px}
.layers-ch.is-live .layer-panel{display:none}
.layers-ch.is-live .layer-panel.is-open{display:block;animation:guideFade .25s ease}
.layer-panel p{margin:0 0 8px;font-size:14.5px;line-height:1.5}
.layer-risk{color:var(--muted);font-size:13.5px}
.layer-risk b{color:var(--ink)}
.guide-refs{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.guide-ref{display:flex;align-items:center;gap:9px;padding:6px 12px 6px 6px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:inherit;text-decoration:none;font-size:12.5px;transition:border-color .3s,transform .3s}
.guide-ref:hover,.guide-ref:focus-visible{border-color:var(--blue);transform:translateY(-1px)}
.ref-thumb{width:58px;height:36px;object-fit:cover;object-position:top;border-radius:5px;display:block}
.guide-ref strong{display:block;font-weight:600}
.guide-ref small{display:block;color:var(--muted);font-size:11px}
/* izometrická stavba: desky 280 × 180, tloušťka z vrstvených stínů */
.layers-stack{position:relative;height:500px;--thick:#dde3fb;--slab-depth:1px 1px 0 var(--thick),2px 2px 0 var(--thick),3px 3px 0 var(--thick),4px 4px 0 var(--thick),5px 5px 0 var(--thick),6px 6px 0 var(--thick),7px 7px 0 var(--thick),8px 8px 0 var(--thick)}
.slab{position:absolute;left:50%;top:0;width:280px;height:180px;margin-left:-140px;border-radius:14px;background:var(--bg);border:1.5px solid #c3cdf6;cursor:pointer;transform:translate(0,var(--y)) rotateX(58deg) rotateZ(-45deg);transition:transform .6s cubic-bezier(.2,.8,.2,1),opacity .45s,border-color .45s,box-shadow .45s;box-shadow:var(--slab-depth),26px 26px 36px #0000001c}
.slab-fasada{--y:22px;z-index:4}.slab-rozvody{--y:112px;z-index:3}.slab-konstrukce{--y:202px;z-index:2}.slab-zaklady{--y:292px;z-index:1}
.slab:hover:not(.is-active){transform:translate(0,calc(var(--y) - 6px)) rotateX(58deg) rotateZ(-45deg)}
.slab.is-active{transform:translate(44px,calc(var(--y) - 24px)) rotateX(58deg) rotateZ(-45deg);border-color:var(--blue)}
.layers-stack.has-active .slab:not(.is-active){opacity:.5}
.layers-stack.is-entering .slab{transition:transform .52s cubic-bezier(.2,.9,.3,1.3),opacity .52s}
.layers-stack.is-entering .slab:not(.is-in),.layers-stack.is-entering .slab-tag:not(.is-in){opacity:0}
.layers-stack.is-entering .slab:not(.is-in){transform:translate(0,calc(var(--y) - 40px)) rotateX(58deg) rotateZ(-45deg)}
.slab i{position:absolute;display:block;border-radius:4px}
.slab-fasada .bar{left:18px;top:16px;width:244px;height:12px;background:var(--soft);border:1px solid var(--line)}
.slab-fasada .head{left:18px;top:42px;width:150px;height:22px;background:var(--ink);opacity:.85}
.slab-fasada .line{left:18px;top:74px;width:110px;height:8px;background:var(--line)}
.slab-fasada .cta{left:18px;top:98px;width:78px;height:24px;background:var(--blue)}
.slab-fasada .pic{left:182px;top:42px;width:80px;height:92px;background:linear-gradient(135deg,#9fb2ff,#2448ed)}
.slab-rozvody .wire{left:140px;top:89px;width:113px;height:2px;background:var(--blue);opacity:.6;transform-origin:left center;border-radius:1px}
.slab-rozvody .w1{transform:rotate(-150.9deg)}.slab-rozvody .w2{transform:rotate(-29.1deg)}.slab-rozvody .w3{transform:rotate(150.9deg)}.slab-rozvody .w4{transform:rotate(29.1deg)}
.slab-rozvody .node{width:22px;height:22px;border-radius:50%;border:2px solid var(--blue);background:var(--bg)}
.slab-rozvody .n1{left:30px;top:24px}.slab-rozvody .n2{left:228px;top:24px}.slab-rozvody .n3{left:30px;top:134px}.slab-rozvody .n4{left:228px;top:134px}
.slab-rozvody .hub{left:124px;top:74px;width:32px;height:32px;border-radius:50%;background:var(--blue)}
.slab-konstrukce .table{left:22px;top:20px;width:236px;height:140px;background:repeating-linear-gradient(var(--line) 0 1.5px,transparent 1.5px 28px),repeating-linear-gradient(90deg,var(--line) 0 1.5px,transparent 1.5px 59px);border:1.5px solid var(--line)}
.slab-konstrukce .cell{width:54px;height:24px;background:var(--blue)}
.slab-konstrukce .c1{left:84px;top:50px;opacity:.8}.slab-konstrukce .c2{left:143px;top:106px;opacity:.45}
.slab-zaklady .srv{left:24px;width:150px;height:26px;background:var(--soft);border:1.5px solid var(--line)}
.slab-zaklady .s1{top:26px}.slab-zaklady .s2{top:62px}.slab-zaklady .s3{top:98px}
.slab-zaklady .globe{left:196px;top:30px;width:58px;height:58px;border-radius:50%;border:2px solid var(--blue)}
.slab-zaklady .lock{left:206px;top:108px;width:38px;height:34px;border-radius:7px;background:var(--blue);opacity:.8}
.slab .led{width:7px;height:7px;border-radius:50%;background:var(--g-warm);opacity:0;box-shadow:0 0 8px 2px #ffb54799;transition:opacity .2s}
.slab-zaklady .l1{left:156px;top:35px}.slab-zaklady .l2{left:156px;top:71px}.slab-zaklady .l3{left:156px;top:107px}
.slab-konstrukce .l4{left:245px;top:150px}.slab-rozvody .l5{left:135px;top:85px}.slab-fasada .l6{left:250px;top:18px}
.slab-tag{position:absolute;left:calc(50% + 178px);font-size:12.5px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:8px;white-space:nowrap;transition:color .4s,transform .6s cubic-bezier(.2,.8,.2,1),opacity .4s}
.slab-tag::before{content:"";width:26px;height:1px;background:var(--line)}
.slab-tag[data-tag=fasada]{top:115px}.slab-tag[data-tag=rozvody]{top:205px}.slab-tag[data-tag=konstrukce]{top:295px}.slab-tag[data-tag=zaklady]{top:385px}
.slab-tag.is-active{color:var(--ink);transform:translate(44px,-24px)}
.data-beam{position:absolute;left:50%;top:120px;height:285px;width:2px;margin-left:-1px;z-index:6;opacity:0;background:linear-gradient(#8fa6ff00,#8fa6ff88,#8fa6ff00);transition:opacity .5s;pointer-events:none}
.data-beam b{position:absolute;left:-4px;width:10px;height:10px;border-radius:50%;background:#ffd48a;box-shadow:0 0 12px 4px #ffb547aa;animation:guideRise 2.8s linear infinite;animation-play-state:paused}
.data-beam b:nth-child(2){animation-delay:-.95s}.data-beam b:nth-child(3){animation-delay:-1.9s}
.layers-stack.is-running .data-beam b{animation-play-state:running}
@keyframes guideRise{0%{top:100%;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:0;opacity:0}}
/* noc: hrany svítí chladně, vybrané patro teple, paprsek dat středem */
html[data-appearance=night] .layers-stack{--thick:#0e1320}
html[data-appearance=night] .slab{background:#1a2233;border-color:#3b5299}
html[data-appearance=night] .slab.is-active{border-color:var(--g-warm);box-shadow:var(--slab-depth),0 0 0 1.5px #ffcf6e,0 0 34px 8px #ffb54755}
html[data-appearance=night] .layer-btn[aria-pressed=true]::before{background:var(--g-warm);box-shadow:0 0 10px 2px #ffb54799}
html[data-appearance=night] .data-beam{opacity:1}
@media(max-width:1100px){.layers-stack{height:440px}}
@media(max-width:1150px){.slab-tag{display:none}}
@media(max-width:850px){.layers-grid{grid-template-columns:1fr}.layers-stack{order:-1;height:360px;transform:scale(.72);transform-origin:top center;margin-bottom:-24px}.slab-tag{display:none}}
@media(max-width:700px){.layers-ch.is-live .layer-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;border:0}.layers-ch.is-live .layer-item{display:contents}.layers-ch.is-live .layer-btn{grid-row:1;flex-direction:column;justify-content:center;gap:2px;padding:10px 4px;border:1px solid var(--line);border-radius:10px;text-align:center;font-size:13px}.layers-ch.is-live .layer-btn span,.layers-ch.is-live .layer-btn::before{display:none}.layers-ch.is-live .layer-btn[aria-pressed=true]{border-color:var(--blue)}.layers-ch.is-live .layer-panel{grid-row:2;grid-column:1/-1}}
@media(max-width:380px){.layers-ch.is-live .layer-list{grid-template-columns:repeat(2,minmax(0,1fr))}.layers-ch.is-live .layer-btn{grid-row:auto}.layers-ch.is-live .layer-panel{grid-row:3}}
@media print{.slab,.slab-tag{opacity:1!important}}
/* ── Kapitola 2: Cesta jedné poptávky ── */
.flow-ch{--ac:#2e38ff;--ac2:#ffd24c}
.flow-head{display:grid;grid-template-columns:minmax(0,41fr) minmax(0,59fr);gap:24px;align-items:end}
.flow-switch{display:inline-flex;flex-wrap:wrap;padding:4px;border:1px solid var(--line);border-radius:999px;gap:4px;background:var(--soft)}
.flow-switch[hidden],.flow-stage[hidden]{display:none}
.flow-switch button{border:0;background:transparent;color:var(--muted);font:600 13px/1 Inter,Arial,sans-serif;padding:11px 16px;border-radius:999px;cursor:pointer;min-height:44px;transition:background .3s,color .3s,box-shadow .3s}
.flow-switch button[aria-pressed=true]{background:var(--bg);color:var(--ink);box-shadow:0 1px 4px #0000002a}
.flow-lists ol{margin:12px 0 10px;padding-left:22px;display:flex;flex-direction:column;gap:10px}
.flow-lists h4{margin:26px 0 0;font-size:17px}
.flow-lists .flow-ico svg{display:inline-block;width:18px;height:18px;vertical-align:-3px;margin-right:6px;fill:none;stroke:currentColor;stroke-width:1.8}
.flow-where,.flow-where-live{font-size:13px;color:var(--muted)}
.flow-where a,.flow-where-live a{color:var(--ink);text-underline-offset:3px}
.flow-route{position:relative;width:100%;margin:24px 0 max(8px,calc(76px - 5.83%))}
.flow-route>svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.flow-route path{fill:none;stroke-linecap:round}
.flow-base{stroke:var(--line);stroke-width:3;transition:stroke-dashoffset 1.4s cubic-bezier(.6,0,.2,1)}
.flow-lit{stroke:var(--ac);stroke-width:3.5}
.flow-tail{stroke:var(--ac2);stroke-width:6;opacity:0}
.flow-man{stroke:var(--line);stroke-width:2;stroke-dasharray:5 9;opacity:0;transition:opacity .4s}
.flow-ch.is-comparing .flow-man{opacity:1}
.flow-st{position:absolute;display:flex;flex-direction:column;align-items:center;gap:9px;transform:translate(-50%,-50%);transition:opacity .45s,transform .7s cubic-bezier(.2,.9,.3,1.35);z-index:3}
.flow-route.is-entering .flow-st:not(.is-in){opacity:0;transform:translate(-50%,-50%) scale(.6)}
.flow-win{width:60px;height:60px;border-radius:17px;background:var(--bg);border:1.5px solid var(--line);display:grid;place-items:center;color:var(--muted);position:relative;margin-top:28px;transition:background .45s,border-color .45s,color .45s,box-shadow .6s,transform .45s cubic-bezier(.2,.9,.3,1.4)}
.flow-win svg{position:static;display:block;width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.flow-lb{font-size:12.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .4s}
.flow-st.is-on .flow-win{background:var(--ac);border-color:var(--ac);color:#fff;transform:scale(1.07)}
.flow-st.is-on .flow-lb,.flow-st.is-current .flow-lb{color:var(--ink)}
.flow-st.is-current .flow-win::after{content:"";position:absolute;inset:-9px;border-radius:24px;border:2px solid var(--ac);animation:flowRing 1.3s ease-out infinite}
@keyframes flowRing{from{transform:scale(.86);opacity:.95}to{transform:scale(1.4);opacity:0}}
.flow-pk{position:absolute;width:28px;height:20px;margin:-10px 0 0 -14px;border-radius:5px;background:#fff;border:2px solid var(--ac);box-shadow:0 8px 18px #0000002e;z-index:5;opacity:0;transition:opacity .25s;pointer-events:none}
.flow-pk::before,.flow-pk::after{content:"";position:absolute;left:4px;right:4px;top:4px;height:2px;border-radius:2px;background:var(--ac);opacity:.55}
.flow-pk::after{top:10px;right:10px}
.flow-lane,.flow-illus{position:absolute;font-size:11px;font-weight:700;color:var(--muted);opacity:0;transition:opacity .4s;pointer-events:none}
.flow-lane{left:0;top:14.8%;transform:translateY(-50%);letter-spacing:.1em;text-transform:uppercase}
.flow-illus{right:0;top:-8px;font-weight:600}
.flow-ch.is-comparing .flow-lane,.flow-ch.is-comparing .flow-illus{opacity:1}
.flow-md{position:absolute;width:9px;height:9px;border-radius:50%;margin:-4.5px 0 0 -4.5px;background:var(--line);opacity:0;transition:opacity .4s}
.flow-ch.is-comparing .flow-md{opacity:1}
.flow-badge{position:absolute;transform:translate(-50%,6px);font-size:11px;font-weight:600;padding:5px 9px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--muted);white-space:nowrap;opacity:0;transition:opacity .3s,transform .4s;pointer-events:none}
.flow-ch.is-comparing .flow-badge{opacity:.45;transform:translate(-50%,13px)}
.flow-ch.is-comparing .flow-badge.is-shown{opacity:1}
.flow-mp{position:absolute;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:var(--muted);opacity:0;z-index:4;transition:opacity .3s}
.flow-ch.is-comparing .flow-mp.is-on{opacity:.75}
.flow-body{display:grid;grid-template-columns:minmax(0,41fr) minmax(0,59fr);gap:24px;align-items:center;min-height:290px;border-top:1px solid var(--line);padding-top:22px}
.flow-count{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.flow-title{font-size:27px;letter-spacing:-.035em;margin:10px 0 8px;font-weight:600}
.flow-text{margin:0 0 20px;color:var(--muted);font-size:15px;line-height:1.5;max-width:44ch;min-height:46px}
.flow-done{display:none;margin:0 0 20px;font-weight:600}
.flow-ch.is-done .flow-done{display:block}
.flow-ch.is-done .flow-text{display:none}
.flow-ctrl{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.flow-play{border:0;background:var(--ac);color:#fff;font:600 14px/1 Inter,Arial,sans-serif;padding:15px 22px;border-radius:999px;cursor:pointer;min-height:46px;transition:transform .2s,box-shadow .3s}
.flow-play:hover{transform:translateY(-1px)}
.flow-step{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font-size:17px}
.flow-play:focus-visible,.flow-step:focus-visible,.flow-switch button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.flow-compare{display:none;min-height:44px;margin-left:6px;gap:7px;align-items:center;font-size:12.5px;color:var(--muted);cursor:pointer}
.flow-ch.can-compare .flow-compare{display:inline-flex}
.flow-compare input{accent-color:var(--ac);width:16px;height:16px}
.flow-where-live{margin:18px 0 0}
.flow-screen{position:relative;height:290px}
.flow-demo-note{position:absolute;right:0;bottom:-2px;font-size:11px;color:var(--muted)}
.flow-scr{position:absolute;inset:0 0 18px;display:grid;grid-template-columns:minmax(0,1fr);place-items:center;opacity:0;transform:translateY(16px) scale(.97);transition:opacity .45s,transform .6s cubic-bezier(.2,.8,.2,1);pointer-events:none}
.flow-scr.is-shown{opacity:1;transform:none}
/* noc: poptávka je teplé světlo s ohonem, stanice se rozsvěcují jako okna a zůstanou svítit */
html[data-appearance=night] .flow-base{stroke:#26324d;filter:drop-shadow(0 0 2px #4b6bf255)}
html[data-appearance=night] .flow-lit{stroke:var(--g-warm);filter:drop-shadow(0 0 5px var(--g-halo))}
html[data-appearance=night] .flow-tail{opacity:.95;stroke:#fff1cc;filter:blur(1.5px) drop-shadow(0 0 8px var(--g-halo))}
html[data-appearance=night] .flow-win{background:#1a2233}
html[data-appearance=night] .flow-st.is-on .flow-win{background:radial-gradient(circle at 50% 30%,#fffaf0,#ffd48a 42%,#f5a524);border-color:#ffe2a8;color:#3b2500;box-shadow:0 0 0 1px #ffe2a8,0 0 30px 8px #ffb54766,0 26px 50px -8px #ffb54770}
html[data-appearance=night] .flow-route:not(.is-vertical) .flow-st.is-on::after{content:"";position:absolute;left:50%;top:92px;width:120px;height:26px;margin-left:-60px;border-radius:50%;background:radial-gradient(#ffb5474d,transparent 70%);pointer-events:none}
html[data-appearance=night] .flow-st.is-current .flow-win::after{border-color:var(--g-warm)}
html[data-appearance=night] .flow-pk{width:15px;height:15px;margin:-7.5px 0 0 -7.5px;border-radius:50%;border:0;background:radial-gradient(circle,#fff 0 30%,#ffe2a8 45%,#ffb547);box-shadow:0 0 16px 6px #ffb547aa,0 0 46px 18px #ffb54740}
html[data-appearance=night] .flow-pk::before,html[data-appearance=night] .flow-pk::after{display:none}
html[data-appearance=night] .flow-play{background:var(--g-warm);color:#2a1c00;box-shadow:0 0 26px 4px #ffb54740}
/* svislá trasa na mobilu: SVG má přesně 120 × 520 px jako viewBox, nic se nedeformuje */
.flow-route.is-vertical{height:520px}
.flow-route.is-vertical>svg{inset:auto;left:0;top:0;width:120px;height:520px}
.flow-route.is-vertical .flow-st{flex-direction:row;gap:14px;transform:translate(-30px,-50%)}
.flow-route.is-vertical.is-entering .flow-st:not(.is-in){transform:translate(-30px,-50%) scale(.6)}
.flow-route.is-vertical .flow-win{margin-top:0}
@media(max-width:850px){.flow-head,.flow-body{grid-template-columns:1fr}.flow-screen{height:300px}}
@media(max-width:700px){.flow-lane,.flow-illus,.flow-badge,.flow-md,.flow-mp{display:none}.flow-screen .fs-win,.flow-screen .fs-win.is-wide{width:100%}.flow-switch{display:grid;border-radius:16px}.flow-switch button{border-radius:12px;text-align:left}}
/* mini obrazovky: ukázková data; výchozí stav každého prvku je konečný stav jeho animace */
.flow-screen .fs-win{width:340px;max-width:100%;border-radius:14px;background:#fff;border:1px solid #e3e5ea;box-shadow:0 24px 50px -16px #0000003d;overflow:hidden;color:#1b1d22;font-size:12.5px;text-align:left}
.flow-screen .fs-win.is-wide{width:400px}
.fs-bar{height:28px;background:#f4f5f7;display:flex;align-items:center;gap:5px;padding:0 11px;font-size:10.5px;color:#6b7280}
.fs-bar i{width:7px;height:7px;border-radius:50%;background:#d6d9df}
.fs-bar span{margin-left:8px}
.fs-bar .fs-clk{margin-left:auto;font-weight:700;color:var(--ac)}
.fs-body{padding:15px 17px;display:flex;flex-direction:column;gap:10px;position:relative}
.fs-adimg{height:84px;border-radius:9px;background:linear-gradient(120deg,var(--ac),var(--ac2));position:relative;overflow:hidden}
.fs-adimg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,#ffffff66 50%,transparent 70%);transform:translateX(-100%)}
.is-shown .fs-adimg::after{animation:fsShine 1.4s .2s ease-out}
@keyframes fsShine{to{transform:translateX(100%)}}
.fs-ln{display:block;height:8px;border-radius:4px;background:#e3e5ea}
.fs-btn1,.fs-btn2{align-self:flex-start;padding:9px 14px;border-radius:999px;font-weight:700;font-size:12px}
.fs-btn1{background:var(--ac);color:#fff}
.fs-btn2{background:var(--ac2);color:#161616}
.is-shown .fs-btn2{animation:fsPress .5s 1.35s}
@keyframes fsPress{50%{transform:scale(.92)}}
.fs-ptr{position:absolute;left:71px;top:159px;width:18px;height:18px;border-radius:50%;background:#1b1d22;border:3px solid #fff;box-shadow:0 2px 8px #0005;opacity:0}
.is-shown .fs-ptr{animation:fsPtr 1.9s .15s cubic-bezier(.3,.7,.2,1) forwards}
@keyframes fsPtr{0%{opacity:0;transform:translate(210px,50px)}25%{opacity:1}70%{transform:translate(0,0)}78%{transform:scale(.75)}88%{transform:scale(1)}100%{opacity:1;transform:none}}
.fs-fld{display:flex;flex-direction:column;gap:4px}
.fs-fld small{color:#6b7280;font-size:10.5px}
.fs-fld>span{display:block;box-sizing:border-box;width:100%;height:32px;border:1px solid #e3e5ea;border-radius:8px;padding:8px 10px;font-weight:600;white-space:nowrap;overflow:hidden}
.is-shown .fs-t1{animation:fsType 1s .2s steps(13) both}
.is-shown .fs-t2{animation:fsType .9s 1.2s steps(16) both}
@keyframes fsType{from{width:0}}
.fs-chk{display:flex;align-items:center;gap:8px;font-size:11.5px}
.fs-chk i{width:17px;height:17px;border-radius:5px;border:1.5px solid var(--ac);background:var(--ac);display:grid;place-items:center}
.fs-chk i::after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-2px}
.is-shown .fs-chk i{animation:fsChk .35s 2.2s both}
.is-shown .fs-chk i::after{animation:fsChkMark .35s 2.2s cubic-bezier(.2,.9,.3,1.6) both}
@keyframes fsChk{from{background:transparent;border-color:#c9ced8}}
@keyframes fsChkMark{from{transform:rotate(45deg) scale(0)}}
.fs-phone{width:156px;height:262px;border-radius:28px;background:#0e121c;padding:8px;box-shadow:0 26px 50px -14px #00000070,inset 0 0 0 1px #ffffff14;position:relative;text-align:left}
.fs-island{position:absolute;top:15px;left:50%;width:42px;height:12px;margin-left:-21px;border-radius:8px;background:#0e121c;z-index:3}
.fs-sc{width:100%;height:100%;border-radius:21px;overflow:hidden;position:relative;background:linear-gradient(160deg,#dfe6ff,#f6f1ff);color:#1b1d22;font-size:11px}
.fs-clock{text-align:center;font-size:34px;font-weight:300;letter-spacing:-.03em;margin-top:40px}
.fs-note{position:absolute;left:8px;right:8px;top:92px;display:flex;gap:8px;align-items:flex-start;padding:9px;border-radius:14px;background:#ffffffe6;box-shadow:0 8px 18px #0000001f}
.is-shown .fs-note{animation:fsDrop .7s .35s cubic-bezier(.2,.9,.3,1.3) both}
@keyframes fsDrop{from{transform:translateY(-140px);opacity:0}}
.fs-app{flex:none;width:24px;height:24px;border-radius:7px;background:var(--ac);color:var(--ac2);display:grid;place-items:center;font-size:12px}
.fs-note small{display:block;font-size:9px;color:#6b7280}
.fs-note strong{display:block;font-size:11px}
.fs-call{display:flex;flex-direction:column;align-items:center;padding-top:52px;gap:6px}
.fs-av,.fs-av2{width:62px;height:62px;border-radius:50%;background:var(--ac);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}
.is-shown .fs-av{animation:fsRing 1.4s infinite}
@keyframes fsRing{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ac) 55%,transparent)}100%{box-shadow:0 0 0 22px transparent}}
.fs-call small{color:#6b7280}
.fs-hang{position:absolute;bottom:26px;left:50%;width:44px;height:44px;margin-left:-22px;border-radius:50%;background:#22c55e;box-shadow:0 6px 16px #22c55e66}
.fs-kan{display:grid!important;grid-template-columns:repeat(3,1fr);gap:9px}
.fs-kan>div{display:flex;flex-direction:column;gap:6px;min-height:110px;padding:8px;border-radius:9px;background:#f4f5f7}
.fs-kan small{font-size:10px;color:#6b7280;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.fs-kc{display:block;padding:7px 8px;border-radius:7px;background:#fff;border:1px solid #e3e5ea;font-weight:600;font-size:11.5px}
.fs-mv{position:absolute;left:25px;top:78px;width:100px;box-sizing:border-box;border-color:var(--ac);box-shadow:0 8px 18px #0000002a;z-index:2;transform:translate(125px,0)}
.fs-mv em{display:block;font-style:normal;font-size:9.5px;font-weight:600;color:var(--ac)}
.is-shown .fs-mv{animation:fsMove .8s .7s cubic-bezier(.3,.8,.2,1.1) both}
.is-shown .fs-mv em{animation:fsFade .4s 1.5s both}
@keyframes fsMove{from{transform:none}}
@keyframes fsFade{from{opacity:0}}
.fs-cap{color:#6b7280;font-size:10.5px}
.fs-chips{display:flex;gap:6px}
.fs-chips span{padding:7px 10px;border-radius:999px;border:1px solid #e3e5ea;font-weight:600;font-size:11.5px}
.fs-chips .is-on{border-color:var(--ac);color:var(--ac)}
.fs-chips .is-time{background:var(--ac);color:#fff}
.is-shown .fs-chips .is-time{animation:fsSelect .4s .9s both}
@keyframes fsSelect{from{background:transparent;color:var(--ac)}}
.fs-nonstop{font-size:11px;font-weight:600;color:var(--g-warm)}
.fs-cal{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}
.fs-cal span{font-size:10px;font-weight:700;color:#6b7280;text-align:center}
.fs-cal i{height:26px;border-radius:6px;background:#f4f5f7}
.fs-cal i:nth-of-type(3),.fs-cal i:nth-of-type(9),.fs-cal i:nth-of-type(14){background:#e3e5ea}
.fs-nb{grid-column:2;grid-row:4;border-radius:6px;background:var(--ac);color:#fff;font-size:9.5px;font-weight:700;display:grid;place-items:center}
.is-shown .fs-nb{animation:fsDrop2 .65s .4s cubic-bezier(.2,.9,.3,1.35) both}
@keyframes fsDrop2{from{transform:translateY(-70px);opacity:0}}
.fs-sms{padding:44px 10px 0;display:flex;flex-direction:column;gap:8px}
.fs-who{text-align:center;color:#6b7280;font-weight:700}
.fs-typing{align-self:flex-start;display:flex;gap:4px;padding:0 12px;height:0;border-radius:14px;background:#e6e8ee;opacity:0;overflow:hidden}
.fs-typing i{width:6px;height:6px;margin-top:10px;border-radius:50%;background:#8b93a5;animation:fsDot 1s infinite}
.fs-typing i:nth-child(2){animation-delay:.15s}.fs-typing i:nth-child(3){animation-delay:.3s}
@keyframes fsDot{50%{transform:translateY(-3px);opacity:.5}}
.is-shown .fs-typing{animation:fsTyping 1.5s .2s both}
@keyframes fsTyping{0%,85%{opacity:1;height:26px}100%{opacity:0;height:0}}
.fs-bub{align-self:flex-start;max-width:88%;padding:9px 11px;border-radius:14px 14px 14px 4px;background:#e6e8ee;font-size:10.5px;line-height:1.35}
.is-shown .fs-bub{animation:fsRise .5s 1.6s both}
@keyframes fsRise{from{opacity:0;transform:translateY(6px)}}
.fs-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #e3e5ea}
.fs-tot{font-weight:700;border:0}
.fs-stamp{position:absolute;right:22px;bottom:18px;padding:7px 12px;border:2.5px solid #16a34a;color:#16a34a;border-radius:8px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px;transform:rotate(-9deg)}
.is-shown .fs-stamp{animation:fsStamp .45s .6s cubic-bezier(.3,.8,.3,1.3) both}
@keyframes fsStamp{from{opacity:0;transform:rotate(-9deg) scale(2)}}
.fs-client{display:flex;gap:10px;align-items:center}
.fs-av2{width:40px;height:40px;font-size:13px}
.fs-client small{display:block;color:#6b7280;font-size:10.5px}
.fs-hist{display:flex;flex-direction:column;gap:6px}
.fs-hist span{padding:8px 10px;border-radius:8px;background:#f4f5f7;font-weight:600;font-size:11.5px}
.fs-hist .fs-new{background:var(--soft);background:color-mix(in srgb,var(--ac) 14%,transparent);border:1px solid var(--ac)}
.is-shown .fs-new{animation:fsSlide .55s .4s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes fsSlide{from{transform:translateX(-30px);opacity:0}}
html[data-appearance=night] .flow-screen .fs-win{background:#1f2738;border-color:#34415a;color:#e9edf5;box-shadow:0 24px 60px -16px #000000a0,0 0 0 1px #ffffff08}
html[data-appearance=night] .fs-bar{background:#18202f;color:#9aa6bb}
html[data-appearance=night] .fs-bar i{background:#3a465e}
html[data-appearance=night] .fs-bar .fs-clk{color:var(--g-warm)}
html[data-appearance=night] .fs-ln,html[data-appearance=night] .fs-cal i{background:#34415a}
html[data-appearance=night] .fs-fld>span,html[data-appearance=night] .fs-chips span,html[data-appearance=night] .fs-row{border-color:#34415a}
html[data-appearance=night] .fs-fld small,html[data-appearance=night] .fs-cap,html[data-appearance=night] .fs-client small{color:#9aa6bb}
html[data-appearance=night] .fs-sc{background:linear-gradient(160deg,#1a2340,#0f1424);color:#e9edf5}
html[data-appearance=night] .fs-note{background:#2a3450e6}
html[data-appearance=night] .fs-note small,html[data-appearance=night] .fs-call small,html[data-appearance=night] .fs-who{color:#aab4c6}
html[data-appearance=night] .fs-kan>div,html[data-appearance=night] .fs-hist span{background:#18202f}
html[data-appearance=night] .fs-kc{background:#243049;border-color:#34415a}
html[data-appearance=night] .fs-mv em{color:var(--g-warm)}
html[data-appearance=night] .fs-typing,html[data-appearance=night] .fs-bub{background:#2a3450}
html[data-appearance=night] .fs-chips .is-on:not(.is-time){color:#ffb3d1;border-color:#ffb3d1}
html[data-appearance=night] .fs-stamp{color:#4ade80;border-color:#4ade80;text-shadow:0 0 12px #4ade8088;box-shadow:0 0 18px #4ade8033}
/* ── Kapitola 3: Rentgen dobrého webu ── */
.xray-grid{display:grid;grid-template-columns:minmax(0,36fr) minmax(0,64fr);gap:32px;align-items:start}
.xray-criteria{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px}
.xray-criteria[hidden]{display:none}
.xray-criteria button{display:flex;align-items:center;gap:10px;min-height:46px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--ink);font:600 14px/1.1 Inter,Arial,sans-serif;cursor:pointer;text-align:left;transition:background .3s,border-color .3s,box-shadow .3s}
.xray-criteria svg{width:19px;height:19px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.xray-criteria button[aria-pressed=true]{border-color:var(--blue);background:var(--soft)}
.xray-criteria button[aria-pressed=true] svg{stroke:var(--blue)}
.xray-criteria button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
html[data-appearance=night] .xray-criteria button[aria-pressed=true]{border-color:var(--g-warm);box-shadow:0 0 0 1px #ffcf6e66,0 0 22px #ffb54733}
html[data-appearance=night] .xray-criteria button[aria-pressed=true] svg{stroke:var(--g-warm)}
.xray-panel{margin-bottom:22px}
.xray-panel h4{font-size:15px;margin:0 0 6px}
.xray-ch.is-live .xray-panel{display:none;margin:0}
.xray-ch.is-live .xray-panel.is-open{display:block;animation:guideFade .25s ease}
.xray-ch.is-live .xray-panel h4,.xray-ch.is-live .xray-notes{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.xray-why{font-size:14.5px;line-height:1.5;margin:0 0 12px}
.xray-facts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.xray-facts li{display:flex;gap:9px;font-size:13.5px;line-height:1.4}
.xray-facts li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;background:#16a34a1f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}
html[data-appearance=night] .xray-facts li::before{background-color:#4ade8022}
.xray-ch.is-live .xray-panel.is-open .xray-facts li{animation:xrayIn .45s cubic-bezier(.2,.8,.2,1) both}
.xray-ch.is-live .xray-panel.is-open .xray-facts li:nth-child(2){animation-delay:.09s}
.xray-ch.is-live .xray-panel.is-open .xray-facts li:nth-child(3){animation-delay:.18s}
.xray-ch.is-live .xray-panel.is-open .xray-facts li:nth-child(4){animation-delay:.27s}
@keyframes xrayIn{from{opacity:0;transform:translateX(-8px)}}
.xray-serp{display:flex;flex-direction:column;gap:4px;margin:14px 0 4px;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:var(--soft);font-family:Arial,system-ui,sans-serif}
.xray-serp-cap{font:700 10px/1 Inter,Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.xray-serp-site{display:flex;gap:8px;align-items:center;font-size:12px}
.xray-serp-site i{width:22px;height:22px;border-radius:50%;background:#3b2a1f}
.xray-serp-site small{display:block;color:var(--muted);font-size:11px}
.xray-serp-title{color:#1a0dab;font-size:17px;line-height:1.25;margin-top:4px}
html[data-appearance=night] .xray-serp-title{color:#8ab4f8}
.xray-serp-desc{font-size:12.5px;line-height:1.45;color:var(--muted)}
.xray-notes{margin:12px 0 0;padding-left:18px;font-size:13px;line-height:1.45;color:var(--muted)}
.xray-foot{margin-top:14px;font-size:12px;color:var(--muted)}
.xray-hint{font-size:12px;color:var(--muted);margin:10px 0 0}
.xray-hint[hidden]{display:none}
.xray-browser{position:relative;border-radius:14px;border:1px solid var(--line);background:var(--soft);overflow:hidden;box-shadow:0 30px 60px -24px #00000055}
html[data-appearance=night] .xray-browser{background:#1b2130;border-color:#323c52;box-shadow:0 30px 70px -20px #000000c0}
.xb-tabs{height:34px;display:flex;align-items:flex-end;gap:6px;padding:0 12px}
.xb-dots{display:flex;gap:6px;align-self:center;margin-right:8px}
.xb-dots i{width:10px;height:10px;border-radius:50%;background:#d6d9df}
html[data-appearance=night] .xb-dots i{background:#3a465e}
.xb-tab{display:flex;align-items:center;gap:7px;min-width:0;height:27px;padding:0 12px;border-radius:9px 9px 0 0;background:var(--bg);font-size:11.5px;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.xb-tab i{flex:none;width:13px;height:13px;border-radius:50%;background:#3b2a1f}
.xb-addr{height:38px;display:flex;align-items:center;padding:0 12px;background:var(--bg);border-bottom:1px solid var(--line)}
.xb-pill{display:flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:999px;background:var(--soft);font-size:12px;color:var(--muted);flex:1}
.xb-pill svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.xray-screen{position:relative;aspect-ratio:1440/900;overflow:hidden;touch-action:pan-y;background:#2a2f38;outline:none}
.xray-ch.is-live .xray-screen{cursor:ew-resize;touch-action:pan-y}
html[data-appearance=night] .xray-ch.is-live .xray-screen{cursor:none}
.xray-screen:focus-visible{outline:none}
.xray-screen::after{content:"";position:absolute;inset:0;z-index:10;pointer-events:none}
.xray-screen:focus-visible::after{box-shadow:inset 0 0 0 3px var(--blue)}
.xray-screen img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;user-select:none;-webkit-user-drag:none}
html[data-appearance=night] .xray-base{filter:brightness(.26) saturate(.55)}
.xray-layer{position:absolute;inset:0;pointer-events:none;clip-path:inset(0 calc(100% - var(--dx,62%)) 0 0)}
.xray-film{filter:grayscale(1) invert(1) contrast(1.35) brightness(.78)}
.xray-layer::before{content:"";position:absolute;inset:0;background:linear-gradient(#0a2a55cc,#082046dd);mix-blend-mode:multiply;z-index:1}
.xray-layer::after{content:"";position:absolute;inset:0;z-index:1;background:repeating-linear-gradient(0deg,#8fd3ff0d 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,#8fd3ff0d 0 1px,transparent 1px 22px)}
html[data-appearance=night] .xray-ch.is-live .xray-layer{clip-path:none;-webkit-mask-image:radial-gradient(circle var(--r,130px) at var(--tx,50%) var(--ty,47%),#000 58%,transparent 100%);mask-image:radial-gradient(circle var(--r,130px) at var(--tx,50%) var(--ty,47%),#000 58%,transparent 100%)}
html[data-appearance=night] .xray-layer::before{background:linear-gradient(#2a1a05cc,#1c1204dd)}
html[data-appearance=night] .xray-layer::after{background:repeating-linear-gradient(0deg,#ffd9a012 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,#ffd9a012 0 1px,transparent 1px 22px)}
.xray-box{position:absolute;z-index:2;border:1.5px solid var(--g-xray);border-radius:3px;box-shadow:0 0 12px #8fd3ff73}
.xray-box span{position:absolute;left:-1.5px;top:-17px;padding:2px 5px;border-radius:3px 3px 0 0;background:var(--g-xray);color:#07162e;font:700 9.5px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap;max-width:420px;overflow:hidden;text-overflow:ellipsis}
.xray-box.is-inside span{top:auto;bottom:6px;left:6px;border-radius:3px}
html[data-appearance=night] .xray-box{border-color:#ffd9a0;box-shadow:0 0 12px #ffd9a073}
html[data-appearance=night] .xray-box span{background:#ffd9a0;color:#2a1700}
.xray-divider{position:absolute;top:0;bottom:0;left:var(--dx,62%);width:2px;margin-left:-1px;background:#bfe6ff;box-shadow:0 0 14px 3px #8fd3ffaa;z-index:6;pointer-events:none}
.xray-divider b{position:absolute;top:50%;left:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;background:#fff;box-shadow:0 6px 20px #0006,0 0 0 4px #8fd3ff66;display:grid;place-items:center;color:#0a2a55;font-size:16px;font-weight:700}
.xray-divider em{position:absolute;top:calc(50% + 30px);left:50%;transform:translateX(-50%);font:700 10px/1 Inter,Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:#bfe6ff;font-style:normal;white-space:nowrap;text-shadow:0 1px 6px #0009}
.xray-ch:not(.is-live) .xray-divider b,.xray-ch:not(.is-live) .xray-divider em{display:none}
html[data-appearance=night] .xray-ch.is-live .xray-divider{display:none}
.xray-scan{position:absolute;top:0;bottom:0;width:90px;left:calc(var(--dx,62%) - 90px);background:linear-gradient(90deg,transparent,#8fd3ff22);z-index:5;pointer-events:none;opacity:0;transition:opacity .3s}
.xray-screen.is-scanning .xray-scan{opacity:1}
.xray-torch{display:none;position:absolute;left:var(--tx,50%);top:var(--ty,47%);width:calc(var(--r,130px) * 2);height:calc(var(--r,130px) * 2);margin:calc(var(--r,130px) * -1) 0 0 calc(var(--r,130px) * -1);border-radius:50%;z-index:6;pointer-events:none;box-shadow:0 0 0 1.5px #ffd9a055,0 0 40px 6px #ffb54722,inset 0 0 50px #ffb54718}
html[data-appearance=night] .xray-ch.is-live .xray-torch{display:block}
.xray-pin{position:absolute;z-index:7;width:26px;height:26px;margin:-13px 0 0 -13px;padding:0;border-radius:50%;border:0;background:#fff;color:#0a2a55;font:800 12px/26px Inter,Arial,sans-serif;text-align:center;cursor:pointer;box-shadow:0 0 0 4px #8fd3ff55,0 6px 16px #0006;opacity:0;transform:scale(.4);transition:opacity .35s,transform .45s cubic-bezier(.2,.9,.3,1.5);pointer-events:none}
.xray-ch:not(.is-live) .xray-pin,.xray-ch:not(.is-live) .xray-card,.xray-ch:not(.is-live) .xray-chrome{display:none}
.xray-pin.is-on,.xray-pin:focus-visible{opacity:1;transform:none;pointer-events:auto}
.xray-pin::before{content:"";position:absolute;inset:-9px;border-radius:50%}
.xray-pin:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
html[data-appearance=night] .xray-pin{background:#ffd48a;color:#2a1700;box-shadow:0 0 0 4px #ffb54755,0 0 24px 6px #ffb54766}
.xray-card{position:absolute;z-index:8;width:230px;padding:10px 12px;border-radius:10px;background:#fff;color:#191b20;font-size:12px;line-height:1.4;box-shadow:0 14px 34px #00000055;opacity:0;transform:translateY(6px);transition:opacity .3s,transform .4s;pointer-events:none}
.xray-card[data-side=l]{right:calc(100% - var(--x) + 20px);top:calc(var(--y) - 30px)}
.xray-card[data-side=r]{left:calc(var(--x) + 20px);top:calc(var(--y) - 26px)}
.xray-card[data-side=t]{left:calc(var(--x) - 115px);bottom:calc(100% - var(--y) + 20px)}
.xray-card[data-side=b]{left:calc(var(--x) - 115px);top:calc(var(--y) + 20px)}
.xray-card.is-on{opacity:1;transform:none}
.xray-card b{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#6b7280;margin-bottom:3px}
html[data-appearance=night] .xray-card{background:#fff6e6}
.xray-chrome{position:absolute;z-index:9}
.xray-chrome[hidden]{display:none}
.xray-chrome .xray-pin{position:absolute;opacity:1;transform:none;pointer-events:none}
.xray-chrome .xray-card{opacity:1;transform:none;left:-14px;top:22px;right:auto;width:250px}
/* Rentgen potřebuje pro karty snímek aspoň ~660 px: do 1 200 px jeden sloupec, snímek nejvýš 820 px (jako na širokém desktopu)
   a hned pod přepínačem hledisek; vysvětlení a očíslovaný seznam až pod snímkem. Pořadí pro klávesnici se nemění. */
@media(max-width:1200px){.xray-grid{grid-template-columns:minmax(0,1fr);row-gap:0}.xray-copy{display:contents}.xray-copy>*,.xray-view{max-width:820px}.xray-view{order:1;margin-bottom:24px}.xray-panels,.xray-foot{order:2}}
@media(max-width:760px){.xray-card,.xray-chrome{display:none!important}.xray-ch.is-live .xray-notes{position:static;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal}}
@media(max-width:700px){.xray-criteria button{font-size:13px;padding:10px 12px}}
@media print{.xray-pin,.xray-card,.xray-chrome,.xray-divider,.xray-torch{display:none!important}}
/* ── Noční světla průvodce: .is-lit přidává lights.mjs (po přepnutí postupně shora dolů, po 90 ms) ── */
html[data-appearance=night] .toc-card.is-lit .toc-ill{background:radial-gradient(circle at 50% 62%,#ffcf6e1c,transparent 70%),var(--soft);box-shadow:inset 0 0 0 1px #ffcf6e26}
html[data-appearance=night] .toc-card.is-lit .toc-layers i:nth-child(2){border-color:var(--g-warm);box-shadow:0 0 18px #ffb54766}
html[data-appearance=night] .toc-card.is-lit .toc-route .lt{stroke-dashoffset:0}
html[data-appearance=night] .toc-card.is-lit .toc-xray i::before{opacity:1}
html[data-appearance=night] .slab.is-lit{box-shadow:var(--slab-depth),0 0 0 1px #6f8cff40,0 0 26px 3px #4b6bf233}
html[data-appearance=night] .slab.is-lit.is-active{box-shadow:var(--slab-depth),0 0 0 1.5px #ffcf6e,0 0 34px 8px #ffb54755}
html[data-appearance=night] .slab.is-lit .led{opacity:1}