/* Office House, floor 5 in 3D.
   The model sits on a cool grey presentation board; room names read like annotations on an architectural plan.
   Controls keep the approved dark glass dock (walk UI variant A), monochrome, no accent colour. */
:root{
  --board:#0b0a09;            /* dark studio around the plinth (presentation.js paints the warm haze) */
  --ink:#1e2022;              /* plan annotation ink */
  --ink-soft:#5b6066;
  --halo:255,255,255;
  --glass:rgba(16,17,19,.86); --glass-line:rgba(255,255,255,.08);
  --on-glass:#ededeb; --on-glass-soft:#9a9c9f;
  --pill-on:#f2f2f0; --pill-on-ink:#16171a;
  --font:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --gutter:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:var(--board);font-family:var(--font);color:var(--on-glass);-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit}
#viewport{position:fixed;inset:0}
#scene{width:100%;height:100%;display:block;outline:none;touch-action:none;cursor:grab}
#scene:active{cursor:grabbing}
.measuring #scene{cursor:crosshair}
.labels{position:absolute;inset:0;pointer-events:none}
[hidden]{display:none!important}

.glass{background:var(--glass);backdrop-filter:blur(24px) saturate(1.15);-webkit-backdrop-filter:blur(24px) saturate(1.15);border:1px solid var(--glass-line);box-shadow:0 14px 40px rgba(20,22,26,.18)}
h1,h2{font-weight:600;letter-spacing:0}
h1{font-size:20px}h2{font-size:19px;line-height:1.25}

/* brand */
/* Lertigo: the brand tile is the way back to the start page, the arrow says so */
.brand{position:fixed;left:var(--gutter);top:var(--gutter);display:flex;align-items:center;gap:12px;padding:8px 20px 8px 8px;border-radius:18px;z-index:3;line-height:1.25;color:inherit;text-decoration:none;transition:background .2s}
.brand:hover{background:rgba(30,31,34,.9)}
.brand .back{transition:background .2s,transform .2s}
.brand:hover .back{background:var(--pill-on);transform:translateX(-2px)}
.brand:hover .back svg{stroke:var(--pill-on-ink)}
.brand:focus-visible{outline:2px solid var(--pill-on);outline-offset:2px}
.brand b{display:block;font-size:15px;font-weight:600}
.brand-text>span{display:block;font-size:12px;color:var(--on-glass-soft)}

/* Opening curtain, ported from the landing page (Landing/site/css/landing.css): seven charcoal stripes, the wordmark
   sharpens from a blur as the model downloads, then the stripes lift one after another onto the live model. */
:root{--curtain:#1d2022;--ease-curtain:cubic-bezier(.76,0,.24,1);--serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;--sans:"DM Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.preloader{position:fixed;inset:0;z-index:200;overflow:hidden}
.stripes{position:absolute;inset:0;display:flex}
.stripes i{flex:1 1 0;height:100%;background:var(--curtain);margin-right:-1px;transition:transform .62s var(--ease-curtain)}
.preloader.lift .stripes i{transform:translateY(-101%)}
.preloader .stripes i:nth-child(1){transition-delay:.21s}.preloader .stripes i:nth-child(2){transition-delay:.18s}
.preloader .stripes i:nth-child(3){transition-delay:.15s}.preloader .stripes i:nth-child(4){transition-delay:.12s}
.preloader .stripes i:nth-child(5){transition-delay:.09s}.preloader .stripes i:nth-child(6){transition-delay:.06s}
.preloader .stripes i:nth-child(7){transition-delay:.03s}
.pl-mark{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;pointer-events:none;color:#fff;transition:opacity .5s ease-in}
.preloader.fade .pl-mark{opacity:0}
.pl-word{font:400 clamp(22px,2.6vw,34px)/1 var(--serif);letter-spacing:.24em;text-transform:uppercase;padding-left:.24em;filter:blur(22px);will-change:filter}
.pl-pct{font:600 10px var(--sans);letter-spacing:.28em;color:rgba(255,255,255,.5)}
.pl-error{pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:16px;max-width:min(360px,calc(100vw - 48px));text-align:center;font:400 14px/1.5 var(--sans);color:rgba(255,255,255,.72)}
.pl-detail{font-size:11px;color:rgba(255,255,255,.5);overflow-wrap:anywhere}
.pl-retry{appearance:none;text-decoration:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font:500 13px var(--sans);letter-spacing:.06em;padding:10px 20px;border-radius:999px;cursor:pointer}
.pl-retry:hover{background:rgba(255,255,255,.08)}
.pl-actions{display:flex;gap:10px}
.preloader.error .pl-pct{display:none}
.pl-done .preloader{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.labels{transition:opacity .6s .55s}
body:not(.live) .labels{opacity:0}
.dock{transition:opacity .55s .75s,transform .55s .75s}
body:not(.live) .dock{opacity:0;transform:translate(-50%,14px);pointer-events:none}
.help{transition:opacity .5s 1s}
body:not(.live) .help{opacity:0}
.poster-capture :is(.brand,.preloader,.dock,.labels,.topbar){display:none!important}

/* dock (approved variant A shape, monochrome) */
.dock{position:fixed;left:50%;bottom:max(var(--gutter),env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:4px;padding:7px;border-radius:999px;max-width:calc(100vw - 24px);overflow-x:auto;scrollbar-width:none;z-index:3}
.dock::-webkit-scrollbar{display:none}
.item{appearance:none;border:0;background:transparent;display:flex;align-items:center;gap:9px;height:46px;padding:0 18px 0 15px;border-radius:999px;font-size:14px;font-weight:500;color:#d4d5d6;cursor:pointer;white-space:nowrap;flex:none;transition:background .2s,color .2s}
.item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.item:hover{background:rgba(255,255,255,.07)}
.item.on,.item[aria-pressed="true"]{background:var(--pill-on);color:var(--pill-on-ink)}
.sep{width:1px;margin:11px 3px;background:var(--glass-line);flex:none}
/* layer toggles: a small switch instead of a filled pill, so they never look like the current view */
.item.toggle{padding:0 15px 0 14px;gap:9px}
.item.toggle[aria-pressed="true"]{background:transparent;color:var(--on-glass)}
.item.toggle[aria-pressed="false"]{color:var(--on-glass-soft)}
.switch{position:relative;width:24px;height:14px;border-radius:7px;background:rgba(255,255,255,.16);flex:none;transition:background .2s}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:10px;height:10px;border-radius:5px;background:#c3c4c6;transition:transform .2s,background .2s}
[aria-pressed="true"]>.switch{background:var(--pill-on)}
[aria-pressed="true"]>.switch::after{transform:translateX(10px);background:var(--pill-on-ink)}
:is(.item,.pill,.zone-btn,.round,.pin):focus-visible{outline:2px solid var(--pill-on);outline-offset:2px}

.pill{appearance:none;border:0;display:inline-flex;align-items:center;height:40px;padding:0 17px;border-radius:999px;font-size:13.5px;font-weight:500;background:rgba(255,255,255,.08);color:#d4d5d6;cursor:pointer;text-decoration:none}
.pill:hover{background:rgba(255,255,255,.13)}
.pill.on{background:var(--pill-on);color:var(--pill-on-ink);font-weight:600}
.round{appearance:none;border:0;width:34px;height:34px;border-radius:17px;background:rgba(255,255,255,.08);display:grid;place-items:center;cursor:pointer;flex:none}
.round svg{width:16px;height:16px;stroke:var(--on-glass);fill:none;stroke-width:1.7;stroke-linecap:round}

/* panels */
.panel{position:fixed;right:var(--gutter);top:var(--gutter);width:min(320px,calc(100vw - 32px));border-radius:24px;padding:20px 14px 14px;z-index:3}
#zonesPanel{max-height:calc(100vh - 128px);overflow:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}
#zonesPanel header{display:flex;justify-content:space-between;align-items:center;padding:0 6px 4px 10px}
.zone-group{margin:16px 10px 4px;font-size:12px;color:var(--on-glass-soft)}
.zone-btn{display:flex;align-items:baseline;gap:8px;width:100%;text-align:left;appearance:none;border:0;background:transparent;font-size:14px;padding:8px 10px;border-radius:10px;cursor:pointer;color:#e3e4e5}
.zone-btn small{font-size:12.5px;color:var(--on-glass-soft)}
.zone-btn:hover{background:rgba(255,255,255,.06)}
.zone-btn.active{background:var(--pill-on);color:var(--pill-on-ink)}
.zone-btn.active small{color:#55585d}
.card-zone{top:auto;right:auto;left:var(--gutter);bottom:100px;width:min(340px,calc(100vw - 32px));padding:20px}
#zoneDetail{font-size:14px;color:var(--on-glass-soft);margin-top:2px}
#zoneNote{font-size:14px;line-height:1.5;color:#c9cacc;margin-top:10px}
.card-zone .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

/* room names on the model: small tiles in the same dark glass as the dock, over a location dot.
   (no backdrop-filter here: dozens of tiles move every frame while orbiting, blur would cost the iGPU) */
.pin{appearance:none;border:0;background:none;pointer-events:none;display:flex;flex-direction:column;align-items:center;gap:5px;padding:0 6px;cursor:pointer;white-space:nowrap;transition:opacity .35s}
.pin-text{pointer-events:auto;display:flex;flex-direction:column;align-items:center;padding:5px 11px 6px;border-radius:12px;
  background:rgba(18,19,22,.9);border:1px solid rgba(255,255,255,.08);box-shadow:0 6px 18px rgba(20,22,26,.22);color:var(--on-glass);transition:opacity .3s,background .2s,color .2s}
.pin-hit{pointer-events:auto;width:30px;height:30px;display:grid;place-items:center;margin-bottom:-15px} /* box bottom = dot centre = anchor */
.pin-dot{width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 0 1.75px rgba(30,32,34,.88),0 1px 4px rgba(0,0,0,.32);transition:transform .18s,background .18s}
.pin:hover .pin-dot,.pin:focus-visible .pin-dot{transform:scale(1.35)}
.pin:hover .pin-text{background:rgba(36,37,41,.94)}
.pin.active .pin-text{background:var(--pill-on);color:var(--pill-on-ink)}
.pin.active .pin-detail{color:#55585d}
.pin.active .pin-dot{background:var(--ink);box-shadow:0 0 0 2px #fff,0 1px 4px rgba(0,0,0,.35)}
.pin-name{font-size:12.5px;font-weight:600;line-height:1.2}
.pin-detail{font-size:11px;font-weight:500;line-height:1.2;color:var(--on-glass-soft)}
.pin.minor .pin-name{font-size:11.5px}
.pin.minor{opacity:0}.pin.minor :is(.pin-text,.pin-hit){pointer-events:none}
.near .pin.minor{opacity:1}.near .pin.minor .pin-hit,.near .pin.minor:not(.overlap) .pin-text{pointer-events:auto}
.pin.overlap .pin-text{opacity:0;pointer-events:none} /* crowded: the name steps back (and stops catching taps), the dot stays */
.pin.overlap:is(:hover,:focus-visible) .pin-text{opacity:1}
.pins-off .pin{opacity:0!important}.pins-off .pin *{pointer-events:none!important}

/* measure hud + help */
.hud{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;display:flex;align-items:center;gap:14px;padding:8px 8px 8px 18px;border-radius:999px;font-size:13px;color:#d4d5d6;z-index:3}
.hud b{background:var(--pill-on);color:var(--pill-on-ink);border-radius:999px;padding:6px 13px;font-weight:600;min-width:72px;text-align:center}
/* Lertigo: the controls hint sits at the top centre, where it reads better than under the model */
.topbar{position:fixed;left:50%;top:calc(var(--gutter) + 10px);transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;z-index:3;pointer-events:none}
.topbar>*{pointer-events:auto}
.help{display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;font-size:12.5px;color:#c9cacc;white-space:nowrap;pointer-events:none}
.help>span+span::before{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--on-glass-soft);margin-right:8px;vertical-align:middle}
.help kbd{font:inherit;font-size:11.5px;font-weight:600;color:var(--on-glass);padding:1px 6px 2px;border:1px solid rgba(255,255,255,.22);border-radius:5px}
[data-look="light"]{--board:#e9e5de}
/* backdrop falloff drawn by the browser over the canvas (cheaper than a textured 3D background every frame) */
#vignette{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 75% 60% at 50% 22%,rgba(160,112,62,.16),rgba(0,0,0,0) 70%),radial-gradient(ellipse 85% 80% at 50% 45%,rgba(0,0,0,0) 52%,rgba(5,4,4,.72) 100%)}
[data-look="light"] #vignette{background:radial-gradient(ellipse 90% 85% at 50% 40%,rgba(255,255,255,.35),rgba(255,255,255,0) 55%,rgba(150,140,125,.22) 100%)}

.embed [data-chrome]{display:none!important}

@media (max-width:760px){
  :root{--gutter:14px}
  .brand{padding:6px 15px 6px 6px;gap:10px;border-radius:15px}.brand b{font-size:14px}.brand-text>span{font-size:11px}
  .item>span{display:none}.item[data-act="save"]{display:none}.item{padding:0 12px;height:44px}.item.toggle{padding:0 10px}.dock{gap:2px;padding:6px}.sep{margin:10px 1px}
  .panel{top:auto;left:14px;right:14px;width:auto;bottom:82px;max-height:58vh}
  .card-zone{left:14px;right:14px;width:auto;bottom:82px}
  .hud{bottom:82px;max-width:calc(100vw - 28px)}
  /* Lertigo: on a phone the hint sits under the name tile and leaves after a few seconds (main.js adds .gone) */
  .topbar{top:calc(var(--gutter) + 58px);left:14px;right:14px;transform:none}
  .help{white-space:normal;flex-wrap:wrap;justify-content:center;max-width:calc(100vw - 28px)}
  .help.gone{opacity:0;transition:opacity .6s}
  .pin-name{font-size:12px}.pin-detail{display:none}.pin-text{padding:4px 9px 5px;border-radius:10px}
}
/* Lertigo: iPad w pełnym ekranie, pod paskiem Safari z X (main.js dodaje .ipad-fs) */
.ipad-fs .brand{top:calc(var(--gutter) + 72px)}
.ipad-fs .topbar{top:calc(var(--gutter) + 82px)}
@media (max-width:760px){.ipad-fs .topbar{top:calc(var(--gutter) + 130px)}
  /* przycisk pełnego ekranu (Android) mieści się w docku telefonu 393–412 px dzięki węższym pozycjom; iPhone go nie ma */
  .dock:has([data-act="fullscreen"]:not([hidden])) .item{padding:0 10px}}
@media (prefers-reduced-motion:reduce){.brand,.brand .back,.stripes i,.pl-mark,.labels,.dock,.help,.pin,.item,.switch,.switch::after{transition:none}}