/* BIM Viewer - page-local styles. The page around the viewer follows the site
   tokens in style.css and toolbox.css, light or dark. The viewer itself is
   always dark, like a game or a Revit dark theme, so the model reads first. */

main [hidden]{display:none !important}

.bvp-private{
  display:flex;gap:14px;align-items:flex-start;max-width:760px;margin-top:26px;
  padding:18px 20px;border-radius:16px;background:var(--neu-surface);box-shadow:var(--neu-out-sm);
}
.bvp-private svg{flex:0 0 26px;width:26px;height:26px;margin-top:1px;stroke:var(--blue);fill:none;stroke-width:1.9}
.bvp-private p{font-size:15px;line-height:1.55;color:var(--muted)}
.bvp-private b{color:var(--ink)}
.bvp-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px}
.bvp-cols .tool-note{margin-top:0}
@media(max-width:820px){.bvp-cols{grid-template-columns:1fr}}
.bvp-notes p+p{margin-top:9px}
.bvp-notes kbd,.bv kbd{
  display:inline-block;min-width:1.7em;padding:1px 6px;margin:0 1px;border-radius:6px;text-align:center;
  font:600 12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--neu-surface);box-shadow:var(--neu-out-sm);color:var(--ink);
}

/* ---------------------------------------------------------------- stage */
.bv{
  --g-bg:rgba(13,17,25,.74);--g-bd:rgba(255,255,255,.09);--g-ink:#eef2f8;--g-mute:#9aa6b8;
  --g-blue:#3d8bff;--g-orange:#ff8a2b;--g-hi:rgba(61,139,255,.18);
  position:relative;margin-top:26px;height:clamp(460px,74vh,780px);border-radius:20px;overflow:hidden;
  background:#0b0f16;color:var(--g-ink);isolation:isolate;
  box-shadow:0 30px 70px -30px rgba(10,20,40,.55),0 0 0 1px rgba(255,255,255,.04);
  font-size:13.5px;line-height:1.4;user-select:none;-webkit-user-select:none;
}
.bv.is-full,.bv:fullscreen{position:fixed;inset:0;z-index:2000;height:100%;width:100%;margin:0;border-radius:0}
.bv canvas#bvCanvas{position:absolute;inset:0;display:block;width:100%;height:100%;touch-action:none;outline:none}
.bv canvas#bvCanvas:focus-visible{outline:2px solid var(--g-blue);outline-offset:-2px}
.bv button,.bv select,.bv input{font:inherit;color:inherit}
.bv svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.bv kbd{background:rgba(255,255,255,.1);box-shadow:inset 0 -1px 0 rgba(255,255,255,.12);color:var(--g-ink)}

.bv-glass,.bv-panel,.bv-seg,.bv-acts,.bv-tools,.bv-level,.bv-keys,.bv-emotes,.bv-look,.bv-go,.bv-card,.bv-fps,.bv-toast{
  background:var(--g-bg);border:1px solid var(--g-bd);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);
  box-shadow:0 10px 30px -12px rgba(0,0,0,.6);
}

/* top bar */
.bv-top{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;gap:10px;z-index:7;pointer-events:none}
.bv-top>*{pointer-events:auto}
.bv-seg{display:flex;padding:4px;border-radius:13px;gap:2px}
.bv-seg button{
  display:flex;align-items:center;gap:7px;padding:8px 14px;border:0;border-radius:9px;background:none;
  color:var(--g-mute);font-weight:600;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap;
}
.bv-seg button:hover{color:var(--g-ink)}
.bv-seg button[aria-selected="true"]{background:linear-gradient(180deg,#4b95ff,#2f74e8);color:#fff;box-shadow:0 6px 18px -6px rgba(61,139,255,.8)}
.bv[data-mode="walk"] .bv-seg button[aria-selected="true"]{background:linear-gradient(180deg,#ff9a45,#f0701a);box-shadow:0 6px 18px -6px rgba(255,138,43,.8)}
.bv-acts{display:flex;padding:4px;border-radius:13px;gap:2px}
.bv-ico{
  position:relative;display:flex;align-items:center;justify-content:center;gap:7px;min-width:36px;height:36px;padding:0 9px;
  border:0;border-radius:9px;background:none;color:var(--g-ink);cursor:pointer;transition:background .2s;
}
.bv-ico:hover,.bv-ico[aria-expanded="true"]{background:rgba(255,255,255,.1)}
.bv-ico:focus-visible,.bv-seg button:focus-visible,.bv-tools button:focus-visible{outline:2px solid var(--g-blue);outline-offset:1px}
.bv-open input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.bv-open span{font-weight:600}

/* panels */
.bv-panel{position:absolute;z-index:4;border-radius:16px;display:flex;flex-direction:column;overflow:hidden}
.bv-ph{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 12px 10px 16px;border-bottom:1px solid var(--g-bd)}
.bv-ph b{font-size:14px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bv-x{flex:0 0 28px;width:28px;height:28px;border:0;border-radius:8px;background:rgba(255,255,255,.06);cursor:pointer;font-size:18px;line-height:1}
.bv-x:hover{background:rgba(255,255,255,.14)}
.bv-panel h3{margin:14px 16px 6px;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--g-mute)}
.bv-meta{padding:10px 16px 0;color:var(--g-mute);font-size:12.5px}
.bv-tree{top:64px;left:12px;bottom:76px;width:258px}
.bv-tree .bv-list{overflow:auto}
.bv-list{list-style:none;margin:0;padding:0 8px;overflow:auto;scrollbar-width:thin}
#bvLevels{flex:0 0 auto;max-height:38%}
#bvCats{flex:1 1 auto;padding-bottom:10px}
.bv-list li{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:8px}
.bv-list li:hover{background:rgba(255,255,255,.05)}
.bv-list label{display:flex;align-items:center;gap:9px;flex:1;min-width:0;cursor:pointer}
.bv-list label span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bv-list em{font-style:normal;color:var(--g-mute);font-size:12px}
.bv-list button{border:0;background:rgba(255,255,255,.07);border-radius:6px;padding:2px 7px;font-size:11.5px;cursor:pointer;color:var(--g-mute)}
.bv-list button:hover{color:var(--g-ink);background:rgba(255,255,255,.14)}
.bv input[type="checkbox"]{appearance:none;-webkit-appearance:none;flex:0 0 16px;width:16px;height:16px;margin:0;border-radius:5px;
  border:1.5px solid rgba(255,255,255,.35);background:transparent;cursor:pointer;display:grid;place-content:center;transition:background .15s,border-color .15s}
.bv input[type="checkbox"]:checked{background:var(--g-blue);border-color:var(--g-blue)}
.bv input[type="checkbox"]:checked::after{content:"";width:8px;height:4.5px;border:2px solid #fff;border-top:0;border-right:0;transform:translateY(-1px) rotate(-45deg)}
.bv input[type="checkbox"]:focus-visible{outline:2px solid var(--g-blue);outline-offset:2px}

.bv-props{top:64px;right:12px;bottom:76px;width:318px}
.bv-pbody{overflow:auto;padding:4px 0 12px;scrollbar-width:thin}
.bv-chip{display:inline-block;margin:10px 16px 2px;padding:3px 9px;border-radius:99px;background:var(--g-hi);color:#9cc4ff;font-size:12px;font-weight:600}
.bv-rows{margin:2px 10px 0;padding:0}
.bv-rows div{display:grid;grid-template-columns:42% 1fr;gap:10px;padding:5px 6px;border-radius:7px}
.bv-rows div:nth-child(odd){background:rgba(255,255,255,.03)}
.bv-rows dt{color:var(--g-mute);overflow-wrap:anywhere}
.bv-rows dd{margin:0;overflow-wrap:anywhere;user-select:text;-webkit-user-select:text}
.bv-pbody details{margin:6px 8px 0;border-radius:10px;background:rgba(255,255,255,.025)}
.bv-pbody summary{padding:8px 10px;cursor:pointer;font-weight:600;font-size:13px;list-style:none;display:flex;gap:8px;align-items:center}
.bv-pbody summary::-webkit-details-marker{display:none}
.bv-pbody summary::before{content:"";width:6px;height:6px;border-right:2px solid var(--g-mute);border-bottom:2px solid var(--g-mute);transform:rotate(-45deg);transition:transform .2s}
.bv-pbody details[open] summary::before{transform:rotate(45deg)}
.bv-pbody details .bv-rows{margin:0 2px 8px}
.bv-pbody .bv-empty{padding:16px;color:var(--g-mute)}

/* bottom toolbar */
.bv-tools{
  position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:6px;
  max-width:calc(100% - 24px);padding:5px;border-radius:14px;overflow-x:auto;scrollbar-width:none;
}
.bv-tools::-webkit-scrollbar{display:none}
.bv-tgroup{display:flex;align-items:center;gap:2px;padding-right:6px;border-right:1px solid var(--g-bd)}
.bv-tgroup:last-child{border-right:0;padding-right:0}
.bv-tools button{flex:0 0 auto;padding:8px 11px;border:0;border-radius:9px;background:none;cursor:pointer;font-weight:600;white-space:nowrap;color:var(--g-ink)}
.bv-tools button:hover{background:rgba(255,255,255,.09)}
.bv-tools button[aria-pressed="true"]{background:var(--g-hi);color:#a9cbff;box-shadow:inset 0 0 0 1px rgba(61,139,255,.5)}
.bv-tools button:disabled{opacity:.4;cursor:default;background:none}
.bv-cut{display:flex;align-items:center;gap:7px;padding:4px 8px;border-radius:9px;white-space:nowrap;font-weight:600;cursor:pointer}
.bv-cut input[type="range"]{width:96px}
.bv input[type="range"]{appearance:none;-webkit-appearance:none;height:4px;border-radius:9px;background:rgba(255,255,255,.18);outline:none;cursor:pointer}
.bv input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(61,139,255,.55)}
.bv input[type="range"]::-moz-range-thumb{width:15px;height:15px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(61,139,255,.55)}
.bv input[type="range"]:disabled{opacity:.4}

.bv-measures{position:absolute;inset:0;pointer-events:none;z-index:3;overflow:hidden}
.bv-measure{position:absolute;left:0;top:0;padding:5px 9px;border-radius:9px;background:rgba(20,16,4,.82);border:1px solid rgba(255,200,61,.6);
  color:#ffe29a;white-space:nowrap;text-align:center;line-height:1.25}
.bv-measure b{display:block;font-size:13.5px}
.bv-measure span{font-size:11px;opacity:.75}

/* ------------------------------------------------------------- walk HUD */
.bv-hud{position:absolute;inset:0;z-index:3;pointer-events:none}
.bv-hud>*{position:absolute}
.bv-level{top:64px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:7px;padding:7px 14px;border-radius:99px;font-weight:650;letter-spacing:.01em}
.bv-level svg{color:var(--g-orange)}
.bv-cross{left:50%;top:50%;width:22px;height:22px;transform:translate(-50%,-50%)}
.bv-cross::before,.bv-cross::after{content:"";position:absolute;left:50%;top:50%;background:#fff;border-radius:2px;box-shadow:0 0 4px rgba(0,0,0,.7);transform:translate(-50%,-50%)}
.bv-cross::before{width:2px;height:14px}
.bv-cross::after{width:14px;height:2px}
.bv-look{left:50%;top:calc(50% + 26px);transform:translateX(-50%);max-width:min(440px,80%);padding:7px 12px;border-radius:11px;text-align:center}
.bv-look b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bv-look span{color:var(--g-mute);font-size:12px}
.bv-aim{left:50%;top:calc(50% + 26px);transform:translateX(-50%);padding:7px 14px;border-radius:11px;font-weight:650;white-space:nowrap;
  background:rgba(8,30,44,.78);border:1px solid rgba(57,208,255,.55);color:#bfefff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.bv-aim.bad{background:rgba(44,10,10,.78);border-color:rgba(255,80,80,.6);color:#ffc4c4}
.bv-keys{left:12px;bottom:12px;padding:9px 12px;border-radius:13px;color:var(--g-mute);font-size:12px;line-height:1.9;transition:opacity .6s}
.bv-keys.dim{opacity:.0}
.bv-keys kbd{font-size:11px}
.bv-emotes{right:12px;bottom:12px;display:flex;gap:3px;padding:5px;border-radius:14px;pointer-events:auto}
.bv-emotes button{position:relative;width:40px;height:40px;border:0;border-radius:10px;background:rgba(255,255,255,.04);cursor:pointer;font-size:19px;line-height:1}
.bv-emotes button:hover{background:rgba(255,138,43,.22)}
.bv-emotes button span{position:absolute;right:3px;bottom:2px;font-size:9.5px;font-weight:700;color:var(--g-mute)}
.bv-mini{top:64px;right:12px;width:180px;height:180px;border-radius:16px;border:2px solid rgba(255,255,255,.18);box-shadow:0 10px 30px -10px rgba(0,0,0,.7),inset 0 0 0 1px rgba(0,0,0,.4)}
.bv-mini span{position:absolute;top:5px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:800;color:var(--g-orange);text-shadow:0 1px 3px #000}
.bv-go{top:252px;right:12px;display:flex;align-items:center;gap:8px;padding:5px 6px 5px 11px;border-radius:12px;pointer-events:auto;color:var(--g-mute);font-weight:600}
.bv-go select,.bv-settings select{appearance:none;-webkit-appearance:none;border:1px solid var(--g-bd);border-radius:8px;background:rgba(255,255,255,.07) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239aa6b8' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 7px center/13px no-repeat;
  padding:5px 26px 5px 9px;color:var(--g-ink);cursor:pointer;max-width:150px}
.bv-go select option,.bv-settings select option{background:#151b26;color:#eef2f8}
.bv-who{top:296px}
.bv[data-minimap="off"] .bv-mini{display:none}
.bv[data-minimap="off"] .bv-go{top:64px}
.bv[data-minimap="off"] .bv-who{top:108px}
.bv-emotes button.off{opacity:.3}
.bv-chars{display:flex;gap:8px;justify-content:center;margin:16px 0 0}
.bv-chars button{display:flex;flex-direction:column;align-items:center;gap:4px;width:92px;padding:10px 6px 8px;border-radius:14px;
  border:1px solid var(--g-bd);background:rgba(255,255,255,.05);cursor:pointer;font-weight:650;color:var(--g-ink);transition:background .2s,border-color .2s}
.bv-chars button b{font-size:26px;line-height:1}
.bv-chars button:hover{background:rgba(255,255,255,.1)}
.bv-chars button[aria-checked="true"]{border-color:var(--g-orange);background:rgba(255,138,43,.16);box-shadow:0 0 0 1px var(--g-orange) inset}

/* touch */
.bv-touch{position:absolute;inset:0;z-index:4;pointer-events:none}
.bv-stick{position:absolute;left:22px;bottom:26px;width:124px;height:124px;border-radius:50%;pointer-events:auto;touch-action:none;
  background:radial-gradient(circle,rgba(255,255,255,.08),rgba(255,255,255,.02));border:2px solid rgba(255,255,255,.2)}
.bv-stick i{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;
  background:rgba(255,255,255,.75);box-shadow:0 4px 14px rgba(0,0,0,.5)}
.bv-tbtns{position:absolute;right:16px;bottom:72px;display:grid;grid-template-columns:repeat(2,64px);gap:9px;pointer-events:auto}
.bv-tbtns button{height:52px;border-radius:16px;border:1px solid rgba(255,255,255,.18);background:rgba(13,17,25,.6);font-weight:700;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.bv-tbtns button[aria-pressed="true"]{background:rgba(255,138,43,.45)}
.bv-tbtns .bv-tport{grid-column:span 2;border-color:rgba(57,208,255,.5);color:#bfefff}
.bv-tbtns .bv-tport[aria-pressed="true"]{background:rgba(57,208,255,.35);color:#fff}
.bv.is-touch .bv-keys{display:none}
.bv.is-touch .bv-emotes{bottom:auto;top:110px;left:12px;right:auto;flex-direction:column}

/* pause card */
.bv-pause{position:absolute;inset:0;z-index:6;display:grid;place-items:center;padding:16px;background:radial-gradient(ellipse at center,rgba(5,8,14,.35),rgba(5,8,14,.72))}
.bv-card{max-width:420px;padding:24px 24px 20px;border-radius:20px;text-align:center}
.bv-card h3{font-size:22px;font-weight:700;letter-spacing:-.01em;margin:4px 0 8px}
.bv-card p{color:var(--g-mute);line-height:1.55}
.bv-kicker{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--g-orange) !important}
.bv-cardbtns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0 10px}
.bv-primary,.bv-ghost{padding:11px 22px;border-radius:12px;border:0;font-weight:700;cursor:pointer}
.bv-primary{background:linear-gradient(180deg,#ff9a45,#f0701a);color:#fff;box-shadow:0 10px 24px -8px rgba(255,138,43,.75)}
.bv-primary:hover{filter:brightness(1.08)}
.bv-ghost{background:rgba(255,255,255,.08);color:var(--g-ink)}
.bv-ghost:hover{background:rgba(255,255,255,.14)}
.bv-small{font-size:12px;color:var(--g-mute);margin:8px 16px}
.bv-card .bv-small{margin:6px 0 0}

/* settings */
.bv-settings{top:64px;right:12px;bottom:12px;width:300px;z-index:7}
.bv-sbody{overflow:auto;padding:0 0 14px;scrollbar-width:thin}
.bv-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 16px;cursor:pointer}
.bv-row:hover{background:rgba(255,255,255,.03)}
.bv-tog{justify-content:flex-start}
.bv-col{flex-direction:column;align-items:stretch;gap:8px}
.bv-col>span{display:flex;justify-content:space-between}
.bv-col output{color:var(--g-mute)}
.bv-wide{display:block;width:calc(100% - 32px);margin:14px 16px 0}

/* loading, drop, toast, fps */
.bv-loading{position:absolute;inset:0;z-index:8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:radial-gradient(ellipse at 50% 40%,#1a2333,#0b0f16 70%);transition:opacity .5s}
.bv-loading.done{opacity:0;pointer-events:none}
.bv-loading p{color:var(--g-mute);font-weight:600;text-align:center;padding:0 20px}
.bv-loading.err p{color:#ff9b8f}
.bv-loading.err .bv-spin,.bv-loading.err .bv-bar{display:none}
.bv-spin{width:44px;height:44px;border-radius:50%;border:3px solid rgba(255,255,255,.12);border-top-color:var(--g-blue);animation:bvSpin .9s linear infinite}
@keyframes bvSpin{to{transform:rotate(360deg)}}
.bv-bar{width:min(280px,70%);height:4px;border-radius:9px;background:rgba(255,255,255,.1);overflow:hidden}
.bv-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#3d8bff,#7ab4ff);transition:width .2s}
.bv-drop{position:absolute;inset:10px;z-index:9;display:grid;place-items:center;border-radius:16px;border:2px dashed rgba(122,180,255,.8);
  background:rgba(14,40,80,.55);font-size:18px;font-weight:700;pointer-events:none}
.bv-drop div{display:flex;flex-direction:column;align-items:center;gap:10px}
.bv-drop svg{width:40px;height:40px}
.bv-toast{position:absolute;left:50%;bottom:76px;transform:translate(-50%,10px);z-index:9;max-width:min(520px,calc(100% - 32px));padding:9px 14px;border-radius:12px;
  opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;text-align:center}
.bv-toast.show{opacity:1;transform:translate(-50%,0)}
.bv-toast:empty{display:none}
.bv-fps{left:12px;top:64px;z-index:5;padding:4px 9px;border-radius:9px;font:600 12px ui-monospace,Menlo,Consolas,monospace;color:#9ff0b4}
.bv[data-mode="bim"] .bv-tree:not([hidden]) ~ .bv-fps{left:282px}

/* views: which chrome shows in which mode */
.bv[data-mode="walk"] .bv-tools,.bv[data-mode="walk"] .bv-tree,.bv[data-mode="walk"] #bvTreeBtn{display:none !important}
.bv[data-mode="walk"] .bv-props{top:auto;bottom:70px;right:auto;left:50%;transform:translateX(-50%);height:auto;max-height:46%;width:min(380px,calc(100% - 24px))}

@media(prefers-reduced-motion:reduce){.bv-spin{animation:none;border-top-color:rgba(255,255,255,.5)}.bv-toast,.bv-loading{transition:none}}

/* phones and narrow windows: panels become sheets over the bottom of the view */
@media(max-width:760px){
  .bv{height:min(80vh,680px);border-radius:16px}
  .bv-seg button span,.bv-open span{display:none}
  .bv-seg button{padding:8px 12px}
  .bv-tree,.bv-props,.bv-settings{top:auto;left:8px;right:8px;bottom:66px;width:auto;max-height:58%}
  .bv-settings{bottom:8px;max-height:calc(100% - 72px)}
  .bv-tools{bottom:8px;left:8px;right:8px;transform:none;max-width:none}
  .bv-mini{width:124px;height:124px}
  .bv-go{top:196px}
  .bv-who{top:240px}
  .bv[data-minimap="off"] .bv-who{top:108px}
  .bv-chars button{width:80px}
  .bv-keys{display:none}
  .bv-level{top:62px;left:12px;transform:none}
  .bv-emotes button{width:36px;height:36px;font-size:17px}
  .bv[data-mode="walk"] .bv-props{bottom:auto;top:62px;max-height:50%}
  .bv-tbtns{grid-template-columns:repeat(2,58px);bottom:30px}
  .bv-tbtns button{height:48px}
  .bv-stick{width:112px;height:112px;left:16px;bottom:20px}
  .bv[data-mode="bim"] .bv-tree:not([hidden]) ~ .bv-fps{left:12px}
}
@media print{.bv{display:none !important}}
.bv[data-mode="walk"] .bv-fps{top:auto;bottom:12px;left:50%;transform:translateX(-50%)}