/* Layout: full-bleed WebGL panorama; glass instrument chrome pinned to the four corners, like a camera monitor over the view. */
html,body{height:100%;overflow:hidden}
#app{position:relative;height:100%;width:100%;overflow:hidden;background:var(--bg);touch-action:none;user-select:none;-webkit-user-select:none}
canvas#gl{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;outline:none}
canvas#gl.dragging{cursor:grabbing}
.chrome{transition:opacity .8s var(--ease),transform .8s var(--ease)}
#app.intro .chrome{opacity:0;transform:translateY(8px);pointer-events:none}
[hidden]{display:none!important}

/* top bar */
.top{position:absolute;top:calc(16px + env(safe-area-inset-top));left:16px;right:16px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;pointer-events:none}
.top > *{pointer-events:auto}
.brand{display:flex;align-items:center;gap:10px;padding:8px 14px 8px 10px;border-radius:999px;min-width:0;color:inherit;text-decoration:none}
.brand svg{flex:none}
.brand b{font-weight:600;font-size:13.5px;letter-spacing:.01em;white-space:nowrap}
.brand .sep{width:1px;height:16px;background:var(--line)}
.brand img{height:20px;width:auto;max-width:90px;object-fit:contain}
.brand span{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand.nobadge .sym,.brand.nobadge b,.brand.nobadge .sep{display:none}
.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.seg{display:flex;padding:3px;border-radius:999px;position:relative}
.seg button{position:relative;z-index:1;font-size:12.5px;font-weight:500;padding:6px 12px;border-radius:999px;color:var(--muted);transition:color .3s;display:flex;align-items:center;gap:6px;white-space:nowrap}
.seg button[aria-pressed="true"]{color:var(--text)}
.seg .pill{position:absolute;top:3px;bottom:3px;border-radius:999px;background:rgba(255,255,255,.14);transition:left .45s var(--ease),width .45s var(--ease)}
.icon-btn{width:36px;height:36px;border-radius:50%;display:grid;place-items:center}
.icon-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent)}

/* bottom-left: scene title */
.titleblock{position:absolute;left:20px;bottom:calc(20px + env(safe-area-inset-bottom));max-width:min(40vw,520px);pointer-events:none}
.eyebrow{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;gap:10px;align-items:center}
.scene-title{font-family:var(--f-display);font-style:italic;font-weight:300;font-size:clamp(34px,5.2vw,64px);line-height:1;margin:10px 0 0;letter-spacing:-.01em;text-shadow:0 2px 30px rgba(0,0,0,.45);text-wrap:balance}
.scene-title .w{display:inline-block;transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}
.scene-title.out .w{opacity:0;transform:translateY(14px);filter:blur(6px)}
.scene-sub{margin-top:10px;font-size:14px;color:var(--muted);text-shadow:0 1px 14px rgba(0,0,0,.5)}
.preview-tag{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--warm);margin-top:14px}

/* bottom-center: scene strip */
.strip{position:absolute;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:8px;padding:8px;border-radius:18px;max-width:min(46vw,760px);overflow-x:auto;scrollbar-width:none;overscroll-behavior:contain;touch-action:pan-x}
.strip::-webkit-scrollbar{display:none}
.thumb{position:relative;flex:none;width:118px;height:72px;border-radius:11px;overflow:hidden;background:#111 center/cover no-repeat;opacity:.62;transition:opacity .35s,transform .35s var(--ease);outline-offset:2px}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.72),rgba(0,0,0,0) 62%)}
.thumb span{position:absolute;left:9px;right:6px;bottom:7px;z-index:1;font-size:11.5px;font-weight:500;text-align:left;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thumb:hover{opacity:.92;transform:translateY(-2px)}
.thumb[aria-current="true"]{opacity:1;box-shadow:inset 0 0 0 2px var(--accent)}

/* bottom-right: floor plan + readout + cta */
.side{position:absolute;right:20px;bottom:calc(20px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.map{width:200px;padding:10px 10px 8px;border-radius:16px}
.plan{position:relative}
.plan img{display:block;width:100%;height:auto;max-height:170px;object-fit:contain;opacity:.9}
.plan svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.plan .dot{cursor:pointer}
.readout{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;color:var(--muted);margin-top:6px;display:flex;justify-content:space-between;font-variant-numeric:tabular-nums}
.cta{display:inline-flex;align-items:center;gap:9px;padding:11px 16px 11px 18px;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:13.5px;box-shadow:0 10px 30px rgba(40,70,220,.35);transition:transform .3s var(--ease),box-shadow .3s}
.cta:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(40,70,220,.45)}

/* hint */
.hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;font-size:13px;pointer-events:none;transition:opacity .6s var(--ease)}
.hint svg{animation:sway 2.4s var(--ease) infinite}
@keyframes sway{0%,100%{transform:translateX(-6px)}50%{transform:translateX(6px)}}
.hint.gone{opacity:0}
.busy{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;display:grid;place-items:center}
.busy i{width:22px;height:22px;border-radius:50%;border:2px solid var(--line-strong);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* hotspots */
#hs{position:absolute;inset:0;pointer-events:none}
.hs{position:absolute;left:0;top:0;pointer-events:auto;will-change:transform,opacity;transition:opacity .35s}
.hs.off{opacity:0!important;pointer-events:none}
.hs .core{position:relative;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.85);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .35s var(--ease),background .35s}
.hs.nav .core{width:50px;height:50px}
.hs.info .core,.hs.link .core{width:34px;height:34px;border-color:rgba(255,255,255,.7)}
.hs .ring{position:absolute;inset:-1px;border-radius:50%;border:1.5px solid rgba(255,255,255,.7);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.85}100%{transform:scale(1.9);opacity:0}}
.hs:hover .core,.hs:focus-visible .core{transform:scale(1.12);background:var(--accent)}
.hs .lbl{position:absolute;left:50%;top:calc(100% + 10px);transform:translateX(-50%) translateY(-4px);white-space:nowrap;font-size:12.5px;font-weight:500;padding:6px 11px;border-radius:999px;background:var(--glass-strong);border:1px solid var(--line);opacity:0;transition:opacity .3s,transform .3s var(--ease);pointer-events:none}
.hs.nav .lbl{opacity:.95;transform:translateX(-50%)}
.hs:hover .lbl,.hs:focus-visible .lbl{opacity:1;transform:translateX(-50%)}
.hs svg{display:block}

/* info card */
.card{position:absolute;right:20px;top:76px;width:340px;max-width:calc(100% - 40px);max-height:calc(100% - 200px);overflow:auto;border-radius:20px;padding:20px 20px 18px;background:var(--glass-strong);border:1px solid var(--line);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);transform:translateX(22px);opacity:0;pointer-events:none;transition:transform .5s var(--ease),opacity .4s}
.card.open{transform:none;opacity:1;pointer-events:auto}
.card .cimg{display:block;width:calc(100% + 40px);margin:-20px -20px 16px;aspect-ratio:16/10;object-fit:cover;border-radius:20px 20px 0 0}
.card .meta{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);padding-right:30px}
.card h2{font-family:var(--f-display);font-style:italic;font-weight:400;font-size:28px;line-height:1.08;margin:8px 0 10px;text-wrap:balance;padding-right:24px}
.card .cbody{font-size:14px;line-height:1.6;color:var(--muted)}
.card .cbody p{margin:0 0 10px;white-space:pre-line}
.card .x{position:absolute;right:12px;top:12px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.35);z-index:1}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:14px 0}
.facts div{background:rgba(10,14,22,.9);padding:10px 12px}
.facts small{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.facts b{display:block;font-weight:500;font-size:15px;margin-top:3px;color:var(--text)}
.clinks{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.clinks a{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--text);text-decoration:none;font-size:13px}
.clinks a:hover{border-color:var(--accent)}
.card .go{display:inline-flex;margin-top:12px;padding:9px 14px;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:13px}

/* loader */
.loader{position:absolute;inset:0;display:grid;place-items:center;background:var(--bg);z-index:5;transition:opacity .9s var(--ease)}
.loader.done{opacity:0;pointer-events:none}
.loader .inner{display:flex;flex-direction:column;align-items:center;gap:16px;font-size:13px;color:var(--muted)}
.loader .bar{width:160px;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.loader .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .4s var(--ease)}
.err{max-width:340px;text-align:center;line-height:1.6}
.err a{color:var(--accent)}

@media (max-width:820px){
  .map{display:none!important}
  .strip{left:16px;right:16px;transform:none;bottom:calc(16px + env(safe-area-inset-bottom));max-width:none;justify-content:flex-start}
  .thumb{width:96px;height:58px}
  .titleblock{left:16px;bottom:calc(104px + env(safe-area-inset-bottom));max-width:calc(100% - 32px)}
  .side{right:16px;bottom:auto;top:calc(110px + env(safe-area-inset-top))}
  .cta{padding:9px 13px 9px 14px;font-size:12.5px}
  .brand .sep,.brand span{display:none}
  .brand.nobadge span{display:inline}
  .card{top:auto;bottom:16px;right:16px;left:16px;width:auto;max-width:none;max-height:62%;transform:translateY(24px)}
  .card.open{transform:none}
}
@media (max-width:420px){ .seg button{padding:6px 9px} .brand b{display:none} }
@media (prefers-reduced-motion:reduce){ .hs .ring,.hint svg{animation:none} }