/* Foto-Rundgang (rundgang.html, en/walkthrough.html): Vollbild-Foto, Punkte im Foto, Grundriss, Text unten. Eigenständig, ohne base.css. */
:root{--f:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ink:#1b2440;--apt:#3b5897;--accent:#932450;--glass:rgba(20,26,46,.62)}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;height:100%;background:#0d1120;color:#fff;font:400 16px/1.5 var(--f);-webkit-font-smoothing:antialiased;overflow:hidden;overscroll-behavior:none}
button{font:inherit;color:inherit}
#stage{position:fixed;inset:0;overflow:hidden;touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}
#stage.drag{cursor:grabbing}
.layer{position:absolute;left:0;top:0;will-change:transform,opacity}
.layer img{display:block;width:100%;height:100%;pointer-events:none;-webkit-user-drag:none}
#stage::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to bottom,rgba(8,12,26,.55),transparent 18%,transparent 55%,rgba(8,12,26,.72))}

/* Punkte im Foto */
.hs{position:absolute;z-index:2;translate:-50% -50%;width:56px;height:56px;border:0;padding:0;background:none;cursor:pointer;display:grid;place-items:center}
.hs__dot{width:26px;height:26px;border-radius:50%;background:#fff;box-shadow:0 0 0 6px rgba(255,255,255,.28),0 4px 16px rgba(0,0,0,.35);display:grid;place-items:center;transition:transform .2s}
.hs__dot svg{width:16px;height:16px;stroke:var(--apt);stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hs::before{content:"";position:absolute;width:26px;height:26px;border-radius:50%;border:2px solid #fff;animation:ping 2.2s ease-out infinite}
@keyframes ping{from{transform:scale(1);opacity:.9}to{transform:scale(2.6);opacity:0}}
.hs__lb{position:absolute;left:50%;top:calc(50% + 22px);translate:-50% 0;white-space:nowrap;padding:.28em .75em;border-radius:999px;background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:.82rem;font-weight:600;letter-spacing:.01em;pointer-events:none}
.hs:hover .hs__dot,.hs:focus-visible .hs__dot{transform:scale(1.18)}
.hs:focus-visible{outline:none}.hs:focus-visible .hs__dot{box-shadow:0 0 0 4px #fff,0 0 0 7px var(--apt)}

/* Kopf */
.top{position:fixed;z-index:5;left:0;right:0;top:0;display:flex;align-items:center;gap:.75rem;padding:max(14px,env(safe-area-inset-top)) 16px 0}
.back{display:inline-flex;align-items:center;gap:.4em;color:#fff;text-decoration:none;font-weight:600;padding:.45em .9em .45em .7em;border-radius:999px;background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:.92rem}
.back svg{width:1.1em;height:1.1em;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.8}
.sw{display:flex;gap:4px;margin-left:auto;padding:4px;border-radius:999px;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.sw a{display:inline-flex;align-items:center;gap:.4em;padding:.3em .75em;border-radius:999px;color:#fff;text-decoration:none;font-size:.82rem;font-weight:600;opacity:.8}
.sw a i{width:.55em;height:.55em;border-radius:50%;background:var(--c)}
.sw a[aria-current]{background:#fff;color:var(--ink);opacity:1}
.sw a:hover{opacity:1}
@media (max-width:459px){.back{padding:.45em .6em}.back span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}
@media (max-width:699px){.tag{display:none}.sw a{padding:.3em .6em}.sw a span{display:none}.sw a::after{content:attr(data-s)}}

/* Grundriss */
.plan{position:fixed;z-index:4;right:16px;top:max(64px,calc(env(safe-area-inset-top) + 54px));width:clamp(120px,15vw,230px);border-radius:14px;overflow:hidden;
  background:rgba(255,255,255,.94);box-shadow:0 12px 40px -12px rgba(0,0,0,.6);transition:width .3s}
.plan svg{display:block;width:100%;height:auto}
.plan .rm{fill:var(--apt);fill-opacity:0;cursor:pointer;transition:fill-opacity .35s}
.plan .rm:hover{fill-opacity:.12}
.plan .rm.on{fill-opacity:.24}
.plan .ter{fill:color-mix(in srgb,var(--apt) 5%,transparent);stroke:var(--apt);stroke-width:3;stroke-dasharray:10 8;cursor:pointer}
.plan .ter.on{fill:color-mix(in srgb,var(--apt) 20%,transparent)}
.plan .cam{transition:transform .6s cubic-bezier(.3,.7,.2,1)}
.plan .stop{fill:var(--apt);fill-opacity:.35;cursor:pointer}
.plan .stop:hover{fill-opacity:.8}
.plan__cap{display:flex;justify-content:space-between;gap:.5em;padding:.35em .7em .45em;font-size:.68rem;color:#4e5873;line-height:1.25}
/* Desktop/Tablet: schlanke Leiste links unten (max. 440 px), kleiner Grundriss rechts unten (Klick daneben = groß) */
@media (min-width:700px) and (min-height:521px){
  #stage::after{background:linear-gradient(to bottom,rgba(8,12,26,.45),transparent 14%,transparent 70%,rgba(8,12,26,.55))}
  .back,.sw,.lang{font-size:.82rem}
  .plan{top:auto;bottom:max(16px,env(safe-area-inset-bottom));width:clamp(110px,11vw,160px);border-radius:12px}
  .plan.big{width:min(380px,40vw)}
  .plan__cap{display:none;font-size:.66rem;padding:.3em .6em .4em}.plan.big .plan__cap{display:flex}
  .card{right:auto;width:min(440px,calc(100% - clamp(110px,11vw,160px) - 48px));padding:.75rem .95rem .85rem;border-radius:16px}
  .card__room{font-size:.66rem}
  .card h1{font-size:1.15rem;margin:.15em 0 .2em}
  .card p{font-size:.87rem;line-height:1.45;margin:0 0 .65em}
  .exits{gap:.35rem}
  .chip{min-height:34px;padding:.2em .8em;font-size:.82rem}
  .hs__lb{font-size:.78rem}
}
@media (max-width:699px){.plan{width:108px}.plan.big{width:min(78vw,320px)}.plan__cap{display:none}.plan.big .plan__cap{display:flex}}

/* Unten */
.card{position:fixed;z-index:5;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));max-width:620px;padding:1rem 1.15rem 1.05rem;border-radius:18px;
  background:var(--glass);-webkit-backdrop-filter:blur(16px) saturate(1.2);backdrop-filter:blur(16px) saturate(1.2);box-shadow:0 18px 50px -20px rgba(0,0,0,.7)}
.card__room{display:flex;align-items:center;gap:.5em;font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#c9d4f0}
.card__room i{width:.6em;height:.6em;border-radius:50%;background:color-mix(in srgb,var(--apt) 60%,#fff)}
.card__n{margin-left:auto;font-weight:600;letter-spacing:.04em;opacity:.75}
.card h1{margin:.2em 0 .15em;font-size:clamp(1.3rem,1.1rem + 1vw,1.85rem);line-height:1.15;letter-spacing:-.02em;font-weight:600}
.card p{margin:0 0 .8em;color:#dfe4f2;font-size:.95rem;text-wrap:pretty}
.exits{display:flex;flex-wrap:wrap;gap:.45rem}
.chip{display:inline-flex;align-items:center;gap:.4em;min-height:40px;padding:.35em .95em;border-radius:999px;border:1.5px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;font-size:.9rem;font-weight:600}
.chip:hover{background:rgba(255,255,255,.14)}
.chip svg{width:1.05em;height:1.05em;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.chip--play{background:#fff;color:var(--ink);border-color:#fff}
.chip--play:hover{background:#e8ecf7}
.bar{position:absolute;left:18px;right:18px;top:0;height:3px;border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%;width:100%;background:#fff;transform-origin:0 50%;transform:scaleX(0)}
.hint{position:fixed;z-index:6;left:50%;top:22%;translate:-50% -50%;max-width:calc(100% - 32px);padding:.7em 1.1em;border-radius:14px;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:.92rem;font-weight:600;text-align:center;pointer-events:none;transition:opacity .6s}
.hint[hidden]{display:block !important;opacity:0}
.lang{display:inline-flex;align-items:center;min-height:36px;padding:.3em .8em;border-radius:999px;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;text-decoration:none;font-size:.82rem;font-weight:700;letter-spacing:.06em}
.nojs{position:fixed;inset:auto 16px 16px;z-index:9;padding:1rem;border-radius:14px;background:#fff;color:var(--ink)}
.nojs a{color:var(--apt)}
.card__more{display:none}
.top,.plan,.card{transition:opacity .3s,translate .3s}
body.clean .top,body.clean .plan,body.clean .card{opacity:0;pointer-events:none}
body.clean .top{translate:0 -12px}body.clean .card{translate:0 12px}
body.clean #stage::after{opacity:0}
#stage::after{transition:opacity .3s}

/* Telefon (hoch) und flache Bildschirme (Telefon quer): kompakte Leiste, Beschreibung nur auf Wunsch, Wege in einer Wischzeile,
   kleiner Grundriss; Foto antippen blendet alles aus (body.clean) */
@media (max-width:699px),(max-height:520px){
  #stage::after{background:linear-gradient(to bottom,rgba(8,12,26,.45),transparent 14%,transparent 72%,rgba(8,12,26,.55))}
  .top{padding-top:max(10px,env(safe-area-inset-top))}
  .back,.sw,.lang{font-size:.78rem}
  .card{left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom));
    padding:.6rem .75rem .65rem;border-radius:16px}
  .card__room{font-size:.66rem}
  .card h1{font-size:1.08rem;margin:.1em 0 .45em}
  .card p{display:none;font-size:.86rem;line-height:1.45;margin:-.2em 0 .6em}
  .card.open p{display:block}
  .card__more{display:grid;place-items:center;width:30px;height:30px;margin:-6px -4px -6px 2px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.14);cursor:pointer}
  .card__more svg{width:16px;height:16px;stroke:#fff;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:rotate .25s;rotate:180deg}
  .card.open .card__more svg{rotate:0deg}
  .exits{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 -.75rem;padding:0 .75rem;gap:.4rem;scroll-padding-inline:.75rem;-webkit-mask:linear-gradient(to right,transparent,#000 .75rem,#000 calc(100% - 1.5rem),transparent)}
  .exits::-webkit-scrollbar{display:none}
  .chip{flex:none;min-height:36px;padding:.25em .8em;font-size:.84rem}
  .chip--play{width:36px;padding:0;justify-content:center}
  .chip--play .chip__t{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .plan{width:84px;border-radius:10px;top:max(54px,calc(env(safe-area-inset-top) + 46px));bottom:auto}
  .plan.big{width:min(78vw,320px)}
  .plan__cap{display:none}.plan.big .plan__cap{display:flex}
  .hs__lb{font-size:.74rem}
}
/* Telefon quer: Leiste links unten, halb so breit, Grundriss rechts oben */
@media (max-height:520px) and (min-width:560px){
  .card{right:auto;width:min(46vw,420px)}
  .plan{width:96px;right:max(10px,env(safe-area-inset-right))}
  .plan.big{width:auto;height:calc(100svh - 70px)}.plan.big svg{height:calc(100% - 1.6rem);width:auto}
  .tag{display:none}
}
@media (prefers-reduced-motion:reduce){.hs::before{animation:none}}