:root{color-scheme:dark;--bg:#0b1015;--panel:#111920;--panel2:#17212a;--text:#e8eef2;--muted:#93a3af;--line:#26343f;--accent:#86f3d2;--soft:#112f2b;--shadow:0 24px 80px #0004;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible,.upload:focus-within{outline:2px solid var(--accent);outline-offset:4px}button{color:var(--text)}.ambient{position:absolute;top:0;right:0;left:0;height:650px;pointer-events:none;background:radial-gradient(ellipse at 75% 12%,#235e4920,transparent 55%)}.shell{position:relative;max-width:1480px;margin:auto;padding:0 48px}.nav{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:650;letter-spacing:-.6px}.mark{font-size:42px;font-weight:400;line-height:1;color:var(--accent)}.version{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:3px 6px;color:var(--muted);letter-spacing:0;margin-left:1px}nav{display:flex;align-items:center;gap:26px;font-size:12px}nav a{color:var(--muted)}nav a:hover{color:var(--accent)}.preview-label{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.icon{border:1px solid var(--line);border-radius:50%;background:transparent;width:32px;height:32px;font-size:20px}.intro{display:flex;align-items:center;justify-content:space-between;padding:35px 0 30px}.eyebrow{font-size:9px;font-weight:650;letter-spacing:1.65px;color:var(--muted)}.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 9px #86f3d242;margin-right:6px;vertical-align:middle}h1{font-weight:520;letter-spacing:-1.7px;font-size:clamp(27px,3vw,42px);margin:10px 0 9px;line-height:1.2}h1 span{color:var(--accent)}.intro p{font-size:12px;color:var(--muted);margin:0}.mobile-break{display:none}.intro-note{display:flex;align-items:center;gap:14px;font-size:10px;line-height:1.9}.intro-note div>span{color:var(--muted)}.orbit-symbol{font-size:44px;font-weight:200;color:var(--accent);opacity:.6}.studio{display:grid;grid-template-columns:288px minmax(0,1fr);border:1px solid var(--line);border-radius:17px;background:var(--panel);overflow:hidden;box-shadow:var(--shadow)}.controls{padding:22px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.panel-title{display:flex;justify-content:space-between;align-items:center}.tiny{font-size:8px;color:var(--muted);letter-spacing:1px}.controls h2{font-size:21px;font-weight:550;letter-spacing:-.6px;margin:19px 0 5px}.muted{color:var(--muted);font-size:11px}.controls>p.muted{font-size:10px;margin:0 0 20px}.tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border:1px solid var(--line);border-radius:8px;margin-bottom:12px}.tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:7px;font-size:11px;border-radius:5px}.tabs button[aria-selected=true]{background:var(--panel2);color:var(--text);box-shadow:0 2px 4px #0002}.upload{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:143px;border:1px dashed #425650;border-radius:9px;background:linear-gradient(135deg,#86f3d20a,transparent);cursor:pointer;transition:background .2s,border-color .2s}.upload:hover,.upload.dragover{border-color:var(--accent);background:#86f3d210}.upload input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.upload-icon{font-size:24px;color:var(--accent);margin-bottom:9px}.upload strong{font-size:11px;font-weight:500}.upload>span:not(.upload-icon){font-size:10px;color:var(--muted);margin-top:4px}.upload small{font-size:8px;color:var(--muted);margin-top:12px;letter-spacing:.3px}.frames-title{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1px;color:var(--muted);margin:21px 0 10px}.frames{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.frames img{width:100%;height:46px;object-fit:cover;border-radius:4px;border:1px solid var(--line)}.frames video{width:100%;max-height:100px;grid-column:1/-1}.file-status{font-size:9px;line-height:1.5;color:var(--muted);min-height:27px;margin:8px 0 14px}details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:10px}summary{cursor:pointer;padding:13px 0;display:flex;justify-content:space-between;list-style:none}summary::-webkit-details-marker{display:none}.settings-body{color:var(--muted);padding-bottom:10px}.settings-body>span{float:right}.settings-body p{font-size:9px}.control-bottom{margin-top:auto;padding-top:19px}.primary{width:100%;border:0;border-radius:7px;background:var(--accent);color:#09251d;display:flex;justify-content:space-between;padding:13px 14px;font-size:11px;font-weight:650;box-shadow:0 5px 24px #86f3d211;transition:filter .2s,transform .2s}.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}.control-bottom p{text-align:center;color:var(--muted);font-size:8px;line-height:1.6;margin:10px 0 0}.viewer-panel{min-width:0;display:flex;flex-direction:column}.viewer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;gap:12px;min-height:59px}.viewer-top>div{display:flex;align-items:center;gap:13px}.viewer-divider{width:1px;height:13px;background:var(--line)}.viewer-top strong{font-size:11px;font-weight:500}.cached{font-size:8px;letter-spacing:1px;color:var(--accent)}.viewport{position:relative;min-height:470px;flex:1;isolation:isolate;background:#1a2025;overflow:hidden}.poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.85);transition:opacity .5s}.poster-shade{position:absolute;inset:0;background:linear-gradient(0deg,#050d18a0,transparent 40%,#050d1810);pointer-events:none}.viewer-loading{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);background:#09131bdb;backdrop-filter:blur(12px);padding:12px 17px;border:1px solid #ffffff20;border-radius:30px;display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:10px;color:#fff}.viewer-loading[hidden]{display:none}.spinner{width:12px;height:12px;border:1px solid #ffffff40;border-top-color:var(--accent);border-radius:50%;animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#frame-host{position:absolute;inset:0}#frame-host iframe{width:100%;height:100%;border:0;display:block;opacity:0;transition:opacity .6s}#frame-host iframe.ready{opacity:1}.scene-tag{position:absolute;pointer-events:none;bottom:22px;left:22px;display:flex;flex-direction:column;color:#fff;gap:6px;text-shadow:0 1px 8px #000}.scene-tag span{font-size:7px;letter-spacing:2px;opacity:.7}.scene-tag strong{font-size:10px;letter-spacing:1.6px;font-weight:500}.viewer-tools{position:absolute;right:18px;bottom:18px;display:flex;gap:6px}.viewer-tools button,.viewer-tools a{display:grid;place-items:center;width:33px;height:33px;background:#0b151ece;border:1px solid #ffffff25;border-radius:7px;color:white;font-size:17px;backdrop-filter:blur(10px)}.viewer-tools button:hover,.viewer-tools a:hover{border-color:var(--accent)}.viewer-bottom{min-height:48px;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;font-size:9px;color:var(--muted)}.viewer-bottom i{font-style:normal;margin:0 9px;color:#4d606b}.mouse-symbol{font-size:15px;margin-right:6px}.viewer-bottom a{color:var(--text);font-size:10px}.viewer-bottom a>span{margin-left:10px;color:var(--accent)}.gallery-section{margin-top:29px}.gallery-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.gallery-heading h2{font-size:21px;font-weight:500;letter-spacing:-.5px;margin:6px 0 0}.separator{margin:0 10px;color:var(--line)}.gallery{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.scene-card{padding:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-align:left;transition:border-color .2s,transform .2s}.scene-card:hover{transform:translateY(-3px);border-color:#58756c}.scene-card[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px #86f3d21a}.thumb{height:103px;overflow:hidden;position:relative}.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.scene-card:hover img{transform:scale(1.05)}.thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,#0003)}.card-index{position:absolute;left:9px;top:8px;z-index:1;font-size:8px;color:white;text-shadow:0 1px 5px black;letter-spacing:1px}.card-selected{position:absolute;right:8px;top:8px;z-index:1;display:none;background:var(--accent);color:#0b2b21;border-radius:50%;height:17px;width:17px;text-align:center;font-size:11px}.scene-card[aria-pressed=true] .card-selected{display:block}.card-info{padding:11px}.card-info strong{display:block;font-size:10px;font-weight:550;margin-bottom:5px}.card-info small{color:var(--muted);font-size:8px}.gallery-foot{display:flex;justify-content:space-between;gap:20px;min-height:34px;padding-top:11px;font-size:8px;color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:12px;padding:18px 0 24px;display:flex;justify-content:space-between;color:var(--muted);font-size:9px}footer strong{font-weight:500;color:var(--text);margin-left:5px}footer .dot{margin-left:8px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--panel2);color:var(--text);padding:14px 20px;border:1px solid var(--accent);border-radius:10px;z-index:50;box-shadow:var(--shadow);font-size:12px}.toast[hidden]{display:none}.viewport:fullscreen{height:100vh;width:100vw}.viewport:fullscreen iframe{height:100vh}:root[data-theme=light]{color-scheme:light;--bg:#eff3f1;--panel:#fff;--panel2:#e5eeea;--text:#182c26;--muted:#546a63;--line:#cddbd5;--accent:#087c61;--soft:#e1f2eb;--shadow:0 24px 70px #15392c0c}:root[data-theme=light] .primary{background:#087c61;color:white}:root[data-theme=light] .card-selected{background:#087c61;color:white}@media(min-width:1600px){.viewport{min-height:540px}}@media(max-width:1100px){.shell{padding:0 25px}.intro-note{display:none}.studio{grid-template-columns:260px minmax(0,1fr)}.controls{padding:18px}.viewer-top{padding:18px 15px}.cached{font-size:7px}.viewer-top .eyebrow{display:none}.viewer-divider{display:none}.thumb{height:86px}.gallery{gap:8px}.preview-label{display:none}}@media(max-width:740px){.shell{padding:0 16px}.nav{height:66px}nav{gap:13px;font-size:10px}.brand{font-size:17px}.mark{font-size:34px}.intro{padding:27px 0 23px}.eyebrow{font-size:8px;letter-spacing:1.2px}h1{font-size:32px;letter-spacing:-1px;line-height:1.17}.mobile-break{display:block}.intro p{max-width:300px;line-height:1.6;font-size:11px}.studio{display:flex;flex-direction:column}.viewer-panel{order:-1}.viewport{min-height:350px}.viewer-top{padding:15px}.viewer-top strong{font-size:10px}.controls{border-right:0;border-top:1px solid var(--line);padding:20px}.controls h2{margin-top:12px}.upload{min-height:125px}.frames img{height:65px}.control-bottom{padding-top:15px}.viewer-bottom{padding:12px;font-size:8px}.viewer-bottom a{font-size:9px}.gallery-heading{align-items:flex-end;gap:15px}.gallery-heading h2{font-size:20px}.gallery-heading>.muted{font-size:9px;max-width:108px;line-height:1.6}.gallery-heading .separator{display:none}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.thumb{height:120px}.card-info strong{font-size:12px}.card-info small{font-size:10px}.gallery-foot{line-height:1.5}.gallery-foot>span:last-child{display:none}footer{font-size:8px}footer>span:last-child{display:none}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:740px){.viewer-tools{top:14px;bottom:auto;right:12px}.scene-tag{top:18px;bottom:auto;left:14px}}

/* Bright studio: warm white surfaces, soft sage accents. */
:root[data-theme=light]{--bg:#f6f7f4;--panel:#ffffff;--panel2:#edf3ef;--text:#243a33;--muted:#65776f;--line:#dce5df;--accent:#168064;--soft:#eaf5ef;--shadow:0 14px 45px #244c3010}
:root[data-theme=light] .ambient{background:radial-gradient(ellipse at 75% 0%,#d8eee0a0,transparent 65%)}
:root[data-theme=light] .controls{background:#fcfdfb}
:root[data-theme=light] .upload{border-color:#b6cfc0;background:linear-gradient(135deg,#edf7ef,#f9fcfa)}
:root[data-theme=light] .upload:hover,:root[data-theme=light] .upload.dragover{background:#e5f3e9;border-color:var(--accent)}
:root[data-theme=light] .tabs{background:#edf2ed}
:root[data-theme=light] .tabs button[aria-selected=true]{background:#fff;box-shadow:0 2px 7px #28473312}
:root[data-theme=light] .viewer-top,:root[data-theme=light] .viewer-bottom{background:#fff}
:root[data-theme=light] .scene-card[aria-pressed=true]{box-shadow:0 0 0 1px #16806422;background:#f0f8f2}
:root[data-theme=light] .primary{background:#197e62;box-shadow:0 5px 15px #197e621a}

/* Compact demo header and functional labels. */
.studio{margin-top:26px}.controls h2{margin-bottom:18px}.gallery-heading h2{margin:0}
@media(max-width:740px){.studio{margin-top:20px}}

[hidden]{display:none!important}.settings-body label{display:block;margin-bottom:10px}.settings-body select,.settings-body input{display:block;width:100%;margin-top:5px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:5px;padding:7px;font:inherit}.settings-body>span{float:none}.download-actions{display:flex;gap:18px}.frames{max-height:156px;overflow:auto}.frames img{height:49px}.controls button:disabled{opacity:.5;cursor:wait;transform:none}.controls select:disabled,.controls input:disabled{opacity:.55}.scene-card:disabled{opacity:.6;cursor:wait}.file-status{overflow-wrap:anywhere}.control-bottom p{font-size:10px}#video-controls{margin-top:12px;font-size:11px}#video-preview{width:100%;max-height:150px;border-radius:6px}#video-controls label{display:inline-flex;gap:8px;align-items:center}#video-count{width:52px;background:var(--panel);border:1px solid var(--line);border-radius:4px;color:var(--text);padding:5px}#extract{padding:6px;border:1px solid var(--line);border-radius:5px;background:var(--panel2);margin-left:5px}.settings-body #camera-files{padding:8px;border:1px solid var(--line);border-radius:5px;margin-bottom:10px}.toast{max-height:35vh;overflow:auto;white-space:pre-wrap}.credit-link{text-decoration:underline}.controls h2{margin-top:16px}.upload input:disabled{cursor:wait}@media(max-width:740px){.download-actions{gap:10px}.viewer-bottom{flex-wrap:wrap;gap:10px}}

.load-viewer{position:absolute;z-index:4;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:9px;border:1px solid #ffffff90;border-radius:16px;padding:20px 28px;background:#ffffffed;color:#244338;box-shadow:0 8px 40px #0002;cursor:pointer;backdrop-filter:blur(8px)}.load-viewer:hover{background:#fff;box-shadow:0 10px 44px #0003}.load-viewer .play-icon{display:grid;place-items:center;border:1px solid #bdd5c9;border-radius:50%;width:42px;height:42px;color:#168064;font-size:23px}.load-viewer strong{font-size:14px;font-weight:600}.load-viewer small{font-size:10px;color:#60756a}.poster{filter:none}.poster-shade{background:linear-gradient(0deg,#050d1850,transparent 30%)}

.more-inputs{border:0;background:transparent;color:var(--accent);font-size:10px;padding:8px 0;text-align:left}.quality-control{margin-left:auto;color:var(--muted);font-size:10px;display:flex;align-items:center;gap:7px}.quality-control select{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:5px;color:var(--text);font:inherit}.viewer-top{flex-wrap:wrap}.viewer-top .cached{font-size:7px}@media(max-width:740px){.viewer-top .cached{display:none}.quality-control{font-size:9px}}
/* Keep app controls clear of the standalone viewer's own toolbar. */
.viewer-tools{top:14px;bottom:auto}.scene-tag{top:18px;bottom:auto}

.viewer-loading{border-radius:12px;max-width:calc(100% - 32px);white-space:normal}.loading-details{display:flex;flex-direction:column;gap:9px;min-width:200px}#scene-progress{width:100%;height:5px;accent-color:#70d7ae;border:0;border-radius:9px;overflow:hidden}#scene-progress::-webkit-progress-bar{background:#ffffff30}#scene-progress::-webkit-progress-value{background:#70d7ae}

.camera-settings{margin:12px 0;padding:12px 0;border-top:1px solid var(--line)}.optional{float:none!important;color:var(--muted);font-weight:400}.camera-status,.camera-help{font-size:11px;line-height:1.5;color:var(--muted);margin:8px 0}.camera-download{display:block;font-size:11px;color:var(--accent);margin:8px 0;text-decoration:underline}.camera-settings #camera-files{margin-top:10px;padding:10px;background:var(--panel2);border-radius:6px}.gallery{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:740px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}

.loaded-camera{padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.loaded-camera strong,.loaded-camera>span{display:block;float:none;font-size:11px;overflow-wrap:anywhere}.loaded-camera>span{margin-top:5px;color:var(--muted)}.loaded-camera .camera-download{margin-bottom:0}

#camera-pose-settings{padding:0;margin:12px 0;border-top:1px solid var(--line)}#camera-pose-settings>summary{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:12px 0;font-size:11px}#camera-pose-summary{float:none;font-size:10px;color:var(--accent)}#camera-pose-settings .settings-body{padding-top:4px}

#camera-pose-settings>summary{position:relative;padding-right:16px}#camera-pose-settings>summary::after{content:"⌄";position:absolute;right:0;top:12px;color:var(--muted)}#camera-pose-settings[open]>summary::after{content:"⌃"}

.card-info strong{margin-bottom:0}

#reconstruct[aria-busy=true]{justify-content:center;gap:10px;opacity:1}#reconstruct[aria-busy=true]::before{content:"";width:12px;height:12px;border:2px solid #ffffff60;border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}

.upload input:disabled{opacity:0}

.reconstruction-progress{margin-top:13px;padding:11px 10px;border:1px solid var(--line);border-radius:7px;background:var(--panel2)}.progress-summary{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;font-size:10px;line-height:1.5}.progress-summary>span:first-child{min-width:0;overflow-wrap:anywhere}.progress-summary>span:last-child{white-space:nowrap;color:var(--muted)}#reconstruction-bar{display:block;width:100%;height:7px;margin:9px 0;accent-color:var(--accent);border:0;border-radius:5px;overflow:hidden}#reconstruction-bar::-webkit-progress-bar{background:var(--line);border-radius:5px}#reconstruction-bar::-webkit-progress-value{background:var(--accent);border-radius:5px;transition:width .35s}.progress-stages{display:flex;justify-content:space-between;font-size:8px;color:var(--muted)}.reconstruction-progress.failed{border-color:#b85757}.reconstruction-progress.failed .progress-summary{color:#b85757}