:root{--ink:#111418;--panel:#171b20;--paper:#f5f2ea;--muted:#aeb5bb;--line:#353b42;--accent:#d2a85e;--mint:#62d9b2}*{box-sizing:border-box}html,body,#app,main{width:100%;height:100%;margin:0}body{overflow:hidden;background:var(--ink);color:var(--paper);font-family:"neue-haas-unica",system-ui,sans-serif;font-weight:400}main{position:relative}#cesiumContainer{position:absolute;inset:0;background:#090b0d}.cesium-viewer-bottom,.cesium-viewer-toolbar{display:none!important}.topbar{position:absolute;z-index:900;top:0;right:0;left:0;display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:7px max(14px,env(safe-area-inset-right)) 7px max(14px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:rgba(17,20,24,.96);box-shadow:0 4px 22px #0007}.brand{display:flex;align-items:center;min-width:max-content}.brand-logo{display:block;width:116px;height:54px;object-fit:contain}.controls{display:flex;align-items:end;gap:10px}.controls label{display:grid;gap:3px}.controls label>span{color:var(--muted);font-size:9px;letter-spacing:.13em;text-transform:uppercase}.controls strong,.controls select,.controls button{height:38px;border:1px solid var(--line);border-radius:0;background:#20252b;color:var(--paper);padding:0 11px;font:600 12px/36px "neue-haas-unica",sans-serif;white-space:nowrap}.controls select{min-width:92px}.controls button{cursor:pointer}.controls select:focus-visible,.controls button:hover,.controls button:focus-visible{border-color:var(--accent);outline:none}.scope-badge{position:absolute;z-index:850;top:86px;left:50%;transform:translateX(-50%);padding:6px 9px;border:1px solid #ffffff26;background:#111418e8;color:var(--muted);font:600 9px/1.2 "IBM Plex Mono",monospace;letter-spacing:.13em;text-transform:uppercase;white-space:nowrap}.capture-label{position:absolute;z-index:850;top:82px;right:10px;display:flex;gap:7px;padding:7px 9px;border:1px solid #ffffff20;background:#111418d9;font-size:10px;text-transform:uppercase}.capture-label span{color:var(--accent);font-weight:600}.capture-label time{color:var(--paper);font-family:"IBM Plex Mono",monospace}.quick-tools{position:absolute;z-index:902;top:118px;right:10px;display:flex;gap:6px}.quick-tools button{display:grid;place-items:center;height:36px;border:1px solid #ffffff2b;border-radius:0;background:#111418e8;color:var(--paper);padding:0 11px;box-shadow:0 3px 12px #0008;font:600 11px/1 "neue-haas-unica",sans-serif;cursor:pointer}.quick-tools button:hover,.quick-tools button:focus-visible{border-color:var(--accent);color:#f4d99d;outline:none}.model-tools{position:absolute;z-index:850;bottom:45px;left:50%;display:flex;align-items:stretch;gap:3px;padding:5px;border:1px solid var(--accent);background:#101419ed;box-shadow:0 8px 24px #0008;transform:translateX(-50%)}.model-tools button{min-width:88px;border:1px solid #353c43;border-radius:0;background:#1b2127;color:#e1e5e8;padding:8px 10px;font:600 10px/1.15 "neue-haas-unica",sans-serif;cursor:pointer}.model-tools button:hover,.model-tools button:focus-visible,.model-tools button.active{border-color:var(--accent);background:#2d281d;color:#f4d99d;outline:none}.status-card{position:absolute;z-index:850;bottom:45px;left:12px;display:flex;align-items:center;gap:9px;max-width:min(430px,calc(100% - 24px));padding:8px 12px;border:1px solid #ffffff24;background:#111418e8;box-shadow:0 4px 18px #0008}.status-card i{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px #62d9b288}.status-card strong,.status-card small{display:block}.status-card strong{font-size:12px}.status-card small{margin-top:2px;color:var(--muted);font-size:10px}.status-card.is-error i{background:#d97676}.status-card.is-private i{background:var(--accent)}.metadata-strip{position:absolute;z-index:850;right:0;bottom:0;left:0;display:flex;align-items:center;gap:20px;min-height:32px;padding:6px 12px;border-top:1px solid var(--line);background:#111418e8;color:var(--muted);font:500 9px/1.2 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase}.metadata-strip span:last-child{margin-left:auto}.measure-label{padding:6px 8px;border:1px solid var(--accent);background:#111418ed;color:#fff;font:600 11px "IBM Plex Mono",monospace;white-space:pre-line}.modal{position:absolute;z-index:1200;inset:0;display:grid;place-items:center;padding:18px;background:#080a0dd1}.modal[hidden]{display:none}.modal-card{width:min(520px,100%);max-height:calc(100dvh - 36px);overflow:auto;padding:20px;border:1px solid var(--accent);background:var(--ink);box-shadow:0 18px 70px #000e}.modal-card button{float:right;width:34px;height:34px;border:1px solid var(--line);background:#20252b;color:#fff;font-size:20px}.modal h1{margin:0;font:300 24px/1.2 "ivypresto-display",serif}.eyebrow{color:var(--accent);font-size:10px;letter-spacing:.14em;text-transform:uppercase}.modal dl{display:grid;grid-template-columns:auto 1fr;gap:10px 14px}.modal dt{color:var(--accent);font-weight:600}.modal dd{margin:0;color:#d6d9dc}.notice{margin:18px 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:720px){html,body,#app,main{height:100dvh}.topbar{min-height:54px;padding:4px max(6px,env(safe-area-inset-right));padding-top:max(4px,env(safe-area-inset-top))}.brand-logo{width:60px;height:42px}.controls{align-items:center;gap:3px}.controls label{display:grid}.controls label>span{display:none}.controls strong,.controls select,.controls button{height:40px;line-height:38px;padding:0 8px;font-size:10px}.controls select{min-width:0}.controls label:first-child select{width:116px}.units-control select{width:72px}.scope-badge{display:none}.capture-label{top:60px;right:8px;font-size:8px}.quick-tools{top:60px;right:8px;bottom:auto;gap:4px}.quick-tools button{min-width:44px;height:40px;padding:0 10px;font-size:10px}.model-tools{right:8px;bottom:38px;left:8px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;padding:4px;transform:none}.model-tools button{width:100%;min-width:0;min-height:42px;padding:7px 4px;font-size:10.5px;white-space:normal}.model-tools button:nth-child(-n+3){grid-column:span 2}.model-tools button:nth-child(n+4){grid-column:span 3}.status-card{top:60px;bottom:auto;left:8px;max-width:calc(100vw - 190px);min-height:40px;padding:7px 9px}.status-card strong{font-size:11px}.status-card small{display:none}.metadata-strip{min-height:32px;padding-bottom:max(6px,env(safe-area-inset-bottom));font-size:8px}.metadata-strip span:nth-child(2){display:none}.modal{padding:8px}.modal-card{max-height:calc(100dvh - 16px);padding:16px}.modal h1{font-size:22px}.modal dl{gap:8px 10px;font-size:13px}.tutorial-card .tutorial-start{min-height:44px}}
@media(max-width:430px){.quick-tools{top:104px}.status-card{max-width:calc(100vw - 16px)}.modal dl{grid-template-columns:1fr;gap:3px}.modal dt{margin-top:7px}.modal dd{font-size:12px;line-height:1.35}}
@media(max-width:360px){.units-control{display:none!important}.controls label:first-child select{width:108px}.controls strong,.controls select,.controls button{padding:0 6px}}
[hidden]{display:none!important}
.tutorial-card{width:min(620px,100%)}.tutorial-card .tutorial-start{float:none;width:100%;height:42px;margin-top:14px;border:1px solid var(--accent);background:var(--accent);color:var(--ink);font:600 12px "neue-haas-unica",sans-serif;cursor:pointer}.tutorial-card .tutorial-start:hover,.tutorial-card .tutorial-start:focus-visible{background:#e2c17f;outline:none}
.quick-tools button.active{border-color:var(--accent);background:#d2a85e;color:#111418}.quick-tools button[aria-pressed="true"]{min-width:88px}

/* JS Imaging Design & Delivery Standard 2.1.0 · Measurement Standard 1.0.0. */
:root{--selection:#77cbb5;--warning:#e6b866;--mint:var(--selection)}
button,select,a{border-radius:2px}
button,select{font-family:"neue-haas-unica",system-ui,sans-serif;font-weight:600}
button:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--paper)!important;outline-offset:2px}
.topbar{min-height:88px;padding-top:6px;padding-bottom:6px}
.brand-logo{width:124px;height:auto;object-fit:contain}
.controls label>span{font-size:12px}
.controls strong,.controls select,.controls button{height:44px;border-radius:2px;padding:0 13px;font-size:14px;line-height:42px}
.scope-badge{top:104px;border-color:#e6b86666;color:var(--warning);font-size:12px}
.quick-tools{top:140px}
.quick-tools button{min-width:44px;height:44px;border-radius:2px;padding:0 14px;font-size:14px}
.model-tools{bottom:51px;border-radius:2px}
.model-tools button{min-width:104px;min-height:44px;border-radius:2px;font-size:14px}
.model-tools button.active,.quick-tools button.active{border-color:var(--selection);background:#18352f;color:#d9fff5;box-shadow:inset 0 -3px 0 var(--selection)}
.model-tools button.active::before,.quick-tools button.active::before{content:"✓ ";font-weight:700}
.status-card{bottom:51px;border-radius:2px}
.status-card strong{font-size:14px}.status-card small{font-size:12px}
.status-card i{background:var(--selection);box-shadow:0 0 12px #77cbb588}
.metadata-strip{min-height:38px;font-size:12px}
.metadata-strip .edition-label{color:var(--paper)}
.metadata-strip .tile-stats{margin-left:auto}
.measure-label{border-radius:2px;font-size:12px}
.measurement-cursor{cursor:crosshair!important}
.results-panel{position:absolute;z-index:851;right:12px;bottom:116px;width:min(390px,calc(100% - 24px));padding:12px 14px;border:1px solid #77cbb566;border-radius:2px;background:#111418ed;box-shadow:0 8px 24px #0009}
.results-panel strong,.results-panel small{display:block}.results-panel strong{color:var(--selection);font-size:14px}.results-panel div{margin-top:5px;color:var(--paper);font:600 12px/1.45 "IBM Plex Mono",monospace}.results-panel small{margin-top:5px;color:var(--muted);font-size:11px;line-height:1.35}
@media(max-width:1600px) and (min-width:721px){.status-card{bottom:116px}}
.modal-card{border-radius:2px;font-size:16px}
.modal-card>button{width:44px;height:44px;border-radius:2px}
.modal h1{font:300 30px/1.15 "ivypresto-display",serif;letter-spacing:-.01em}
.eyebrow{font-size:12px}.notice{font-size:13px}
.tutorial-card .tutorial-start{height:44px;border-radius:2px;font-size:14px}
.help-links{margin:12px 0 0;font-size:14px}
.help-links a{color:var(--accent);text-underline-offset:3px}
.help-links a:hover{color:#e2c17f}

@media(max-width:720px){
  .topbar{min-height:68px;padding-top:max(4px,env(safe-area-inset-top));padding-bottom:4px}
  .brand-logo{width:96px;height:auto}
  .controls strong,.controls select,.controls button{height:44px;padding:0 7px;font-size:14px;line-height:42px}
  .controls label:first-child select{width:116px}.units-control select{width:72px}
  .quick-tools{top:76px}.quick-tools button{height:44px;padding:0 10px;font-size:13px}
  .model-tools{bottom:44px}.model-tools button{min-width:0;min-height:44px;font-size:13px}
  .status-card{top:76px;bottom:auto;min-height:44px}.status-card strong{font-size:13px}
  .metadata-strip{min-height:38px;font-size:12px}
  .metadata-strip span:nth-child(2){display:inline}.metadata-strip .tile-stats{display:none}
  .modal h1{font-size:26px}.modal dl{font-size:15px}.modal dd{line-height:1.4}
}
@media(max-width:430px){
  .quick-tools{top:128px}
  .modal dd{font-size:14px}
}
@media(max-width:390px){
  .brand-logo{width:96px}
  .controls{gap:2px}
  .controls label:first-child select{width:108px}
  .units-control select{width:66px}
  .controls strong,.controls select,.controls button{padding:0 5px;font-size:13px}
  .metadata-strip{gap:10px;font-size:11px}
}
@media(max-width:360px){
  .controls label:first-child select{width:106px}
}

@media(max-width:430px){
  .topbar{min-height:118px;align-items:flex-start}
  .controls{position:absolute;top:70px;right:8px;left:8px;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr) minmax(86px,.8fr);gap:4px}
  .controls label:first-child select,.units-control select,.controls>button{width:100%}
  .status-card{top:126px;max-width:calc(100vw - 194px)}
  .quick-tools{top:126px}
}
@media(max-width:360px){
  .controls{grid-template-columns:1fr 96px}
  .controls label:first-child select{width:100%}
  .status-card{max-width:calc(100vw - 180px)}
}

/* Mobile viewer shell. Desktop declarations above are intentionally unchanged. */
.mobile-gesture{display:none}
@media(max-width:720px){
  body{overscroll-behavior:none}
  .topbar{
    min-height:104px;
    display:grid;
    grid-template-columns:88px minmax(0,1fr) 104px;
    grid-template-rows:52px 44px;
    gap:4px;
    align-items:center;
    padding:4px max(8px,env(safe-area-inset-right)) 4px max(8px,env(safe-area-inset-left));
  }
  .brand{grid-column:1;grid-row:1}.brand-logo{width:82px;height:48px}
  .controls{position:static;display:contents}
  .controls label:first-child{grid-column:1 / 3;grid-row:2}
  .controls .units-control{display:grid!important;grid-column:3;grid-row:2}
  .controls>button{grid-column:3;grid-row:1;width:104px}
  .controls label:first-child select,.units-control select,.controls>button{width:100%}
  .controls strong,.controls select,.controls button{height:44px;padding:0 9px;font-size:13px;line-height:42px}
  .status-card{top:112px;left:8px;max-width:calc(100vw - 214px);min-height:44px;padding:7px 9px}
  .quick-tools{top:112px;right:8px;gap:4px}
  .quick-tools button{height:44px;min-width:44px;padding:0 9px;font-size:12px}
  .quick-tools button[aria-pressed="true"]{min-width:80px}
  .model-tools{right:8px;bottom:36px;left:8px;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:3px;padding:4px;transform:none}
  .model-tools button,.model-tools button:nth-child(-n+3),.model-tools button:nth-child(n+4){width:100%;min-width:0;min-height:48px;padding:6px 2px;font-size:0;white-space:normal}
  .model-tools button[data-measure-tool]{grid-column:span 4}.model-tools button[data-measure-action]{grid-column:span 3}
  .model-tools button::after{content:attr(data-mobile-label);font:600 11px/1.15 "neue-haas-unica",system-ui,sans-serif}
  .model-tools button.active::before{content:none}
  .results-panel{right:8px;bottom:148px;left:8px;width:auto;max-height:116px;overflow:auto;padding:9px 11px}.results-panel strong{font-size:12px}.results-panel div{font-size:10.5px}.results-panel small{font-size:10px}
  .metadata-strip{min-height:32px;gap:10px;padding:6px 10px max(6px,env(safe-area-inset-bottom));font-size:10px}
  .metadata-strip .edition-label{margin-left:auto}.metadata-strip .tile-stats{display:none}
  .desktop-gesture{display:none}.mobile-gesture{display:block}
  .modal{padding:max(8px,env(safe-area-inset-top)) 8px max(8px,env(safe-area-inset-bottom))}
  .modal-card{max-height:calc(100dvh - max(16px,env(safe-area-inset-top) + env(safe-area-inset-bottom)));padding:16px}
  .modal h1{padding-right:48px;font-size:26px}
  .modal dl{gap:7px 10px;font-size:14px}.modal dd{line-height:1.35}
}
@media(max-width:360px){
  .topbar{grid-template-columns:76px minmax(0,1fr) 96px}
  .brand-logo{width:72px}
  .controls>button{width:96px}
  .controls strong,.controls select,.controls button{padding:0 7px;font-size:12px}
  .status-card{max-width:calc(100vw - 204px)}
  .quick-tools button{padding:0 7px;font-size:11px}
  .model-tools button::after{font-size:10px}
}
@media(max-width:720px) and (max-height:700px){
  .modal-card{padding:12px}
  .modal h1{font-size:23px}.eyebrow{margin:8px 0}
  .modal dl{margin:8px 0;gap:4px 8px;font-size:13px}.modal dd{line-height:1.25}
  .tutorial-card .tutorial-start{height:42px;min-height:42px;margin-top:10px}
  .notice{margin-top:10px;padding-top:9px;font-size:11px}.help-links{margin-top:7px;font-size:12px}
}