:root{--ink:#123251;--muted:#65798f;--accent:#008b91;--line:#dce4eb;--canvas:#e8edf1;--orange:#ed8543;--surface:#fff;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #238bcd;outline-offset:3px}button{transition:background .15s,color .15s}button:hover{background:#edf3f7}button[hidden],[hidden]{display:none!important}.header{height:76px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:14px;white-space:nowrap}.brand strong{font-size:26px;letter-spacing:-1px}.brand-icon{font-size:35px;color:var(--accent)}.subtitle{font-size:14px;color:var(--muted);padding-left:14px;border-left:1px solid var(--line)}.button{min-height:44px;border-radius:9px;padding:11px 16px;border:1px solid #cbd7e1;font-size:13px;font-weight:600;background:white}.primary{background:var(--accent);border-color:var(--accent);color:white}.primary:hover{background:#00787e}.workspace{display:grid;grid-template-columns:280px 1fr;height:calc(100dvh - 76px);min-height:440px}.sidebar{padding:27px 22px 20px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:20px;min-height:0;z-index:3}.intro h1{font-size:21px;letter-spacing:-.6px;margin:0 0 9px}.intro p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}.sidebar>.primary{font-size:14px;min-height:49px}.primary span{margin-right:8px}.directory{display:flex;flex-direction:column;min-height:0;flex:1}.search{display:flex;align-items:center;border:1px solid #cbd7e1;border-radius:8px;padding:0 10px;gap:8px;min-height:44px}.search span{font-size:25px;color:var(--muted)}input{min-width:0;width:100%;border:0;background:transparent;font-size:12px;color:var(--ink);padding:10px 0}input::placeholder{color:var(--muted)}.list-heading{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted);margin:24px 0 10px}.marker-list{overflow:auto;scrollbar-width:thin}.marker-row{display:flex;align-items:center;gap:11px;width:100%;padding:14px 6px;background:transparent;border:0;border-top:1px solid var(--line);text-align:left;font-size:13px;min-height:46px}.marker-row::before{content:"";width:7px;height:7px;border:2px solid var(--orange);border-radius:50%;flex:none}.marker-row.area::before{border-color:var(--accent);border-radius:2px}.marker-row::after{content:"›";margin-left:auto;color:var(--muted)}.marker-row[aria-pressed=true]{background:#edf7f7;color:#00777d}.sidebar-footer{display:flex;flex-direction:column;gap:5px;font-size:11px;color:var(--muted)}.sidebar-footer strong{letter-spacing:1px}.viewer{position:relative;min-width:0;overflow:hidden}.canvas-host,.label-layer{position:absolute;inset:0}.canvas-host canvas{display:block;width:100%;height:100%;touch-action:none;outline:none}.label-layer{pointer-events:none;overflow:hidden}.scene-label{position:absolute;left:0;top:0;border:1px solid #fff;background:#ffffffee;padding:5px 9px;border-radius:5px;font-size:11px;white-space:nowrap;box-shadow:0 2px 10px #12325112;pointer-events:auto;transform:translate(-50%,-100%);max-width:210px;overflow:hidden;text-overflow:ellipsis}.scene-label.selected{background:var(--ink);color:white;border-color:var(--ink);z-index:2}.scene-label::before{content:"";display:inline-block;width:5px;height:5px;background:var(--orange);border-radius:50%;margin:0 5px 1px 0}.scene-label.area::before{background:var(--accent)}.viewer-top{position:absolute;top:20px;left:22px;right:22px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;pointer-events:none}.notice{background:#fff0d4;border:1px solid #edcf97;padding:9px 12px;border-radius:8px;font-size:11px;color:#7d5114;max-width:80%}.notice::before{content:"△";margin-right:7px}.mode-badge{font-size:10px;letter-spacing:.5px;white-space:nowrap;color:var(--muted);padding:10px 0}.bottom-bar{position:absolute;left:20px;right:230px;bottom:17px;display:flex;align-items:center;flex-direction:column;gap:10px}.toolbar{display:flex;align-items:center;background:#fffffff5;border:1px solid #fff;box-shadow:0 8px 28px #12325110;border-radius:12px;padding:5px;gap:2px}.toolbar button{border:0;background:transparent;padding:12px 13px;font-size:12px;min-height:44px;border-radius:7px;white-space:nowrap}.toolbar button:hover{background:#edf3f7}.toolbar button[aria-pressed=false]{color:var(--muted)}.toolbar button span{font-size:17px;margin-right:5px}.toolbar .exit{color:#ae4529}.bottom-bar p{font-size:10px;color:var(--muted);margin:0;text-align:center;line-height:1.5}.minimap{position:absolute;bottom:20px;right:20px;margin:0;background:#fffffff2;border:1px solid #fff;border-radius:12px;padding:13px;width:194px;box-shadow:0 8px 28px #1232510b;pointer-events:none}.minimap figcaption{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.7px;align-items:center}.minimap figcaption span{font-size:8px;letter-spacing:0;color:var(--muted)}.minimap canvas{width:100%;display:block;margin:9px 0 6px;aspect-ratio:14/11}.map-legend{display:flex;gap:12px;font-size:9px;color:var(--muted)}.map-legend i{width:6px;height:6px;display:inline-block;margin-right:5px;border-radius:50%}.orange{background:var(--orange)}.teal{background:var(--accent)}#position-output{display:block;font-size:9px;color:var(--muted);margin-top:7px}.selection{position:absolute;top:77px;left:22px;background:#fffffff5;width:260px;padding:18px;border:1px solid white;border-radius:10px;box-shadow:0 10px 25px #12325110}.selection>span{font-size:9px;letter-spacing:1px;color:var(--muted);text-transform:uppercase}.selection h2{font-size:20px;margin:8px 0}.selection p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.selection>button,.dialog-top button{float:right;border:0;background:transparent;font-size:25px;min-width:36px;min-height:36px;line-height:1}.crosshair{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:22px;color:#12325199;pointer-events:none}.loading,.error-panel{position:absolute;inset:0;background:#e8edf1;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10;padding:32px;text-align:center}.loading h2,.error-panel h2{font-size:22px}.loading p,.error-panel p{color:var(--muted);font-size:14px;max-width:450px;line-height:1.7}.loader{width:34px;height:34px;border:2px solid #cbd7e1;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status{position:absolute;bottom:108px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:6px;padding:10px 15px;font-size:12px;pointer-events:none;opacity:0;transition:opacity .2s;max-width:80%;z-index:6}.status.visible{opacity:1}.mobile-only{display:none}dialog{border:1px solid var(--line);border-radius:16px;color:var(--ink);padding:28px;width:min(580px,92vw);max-height:85dvh;box-shadow:0 20px 90px #12325130}dialog::backdrop{background:#10263b55;backdrop-filter:blur(3px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top h2{font-size:23px;letter-spacing:-.5px;margin:0}.dialog-lead{color:var(--muted);font-size:14px}.measurements{display:flex;gap:30px;padding:20px 0;border-block:1px solid var(--line)}.measurements div{display:flex;flex-direction:column;gap:6px}.measurements strong{font-size:22px}.measurements span{font-size:11px;color:var(--muted)}dialog li,dialog p{font-size:13px;line-height:1.7}dialog li{margin-bottom:10px;padding-left:4px}dialog ul{padding-left:19px}dialog h3{font-size:14px}dialog a{color:#007b80;font-size:13px}code{font-size:11px;word-break:break-word}.config-note{background:#f1f5f7;padding:13px;border-radius:8px}.touch-controls{position:absolute;inset:auto 22px 110px;display:flex;justify-content:space-between;pointer-events:none}.touch-controls button{pointer-events:auto;width:45px;height:45px;border:1px solid #cbd7e1;border-radius:10px;background:#fffffff0;font-size:22px;touch-action:none;user-select:none}.touch-controls button.active{background:var(--accent);color:white}.touch-pad{display:grid;grid-template-columns:repeat(3,45px);gap:5px}.touch-pad button:first-child{grid-column:2}.touch-pad button:nth-child(2){grid-column:1}.turn-pad{display:grid;grid-template-columns:repeat(2,45px);gap:5px;align-content:end}.turn-pad span{grid-column:1/3;text-align:center;font-size:9px;letter-spacing:1px;color:var(--muted)}.noscript{position:fixed;inset:0;z-index:100;background:white;padding:50px;font-size:22px}.walking .bottom-bar{right:20px}.walking .minimap{bottom:auto;top:78px}.walking .toolbar{flex-wrap:wrap;justify-content:center}.walking .scene-label{font-size:12px}
@media(max-width:1100px){.bottom-bar{right:20px;align-items:flex-start}.toolbar button{padding:11px 10px}.minimap{width:157px;bottom:123px}.walking .minimap{top:76px}.header{padding-inline:20px}.workspace{grid-template-columns:255px 1fr}.sidebar{padding-inline:18px}.subtitle{font-size:12px}.viewer-top{left:16px;right:16px}.mode-badge{display:none}.notice{max-width:100%}.selection{left:16px;width:230px}.bottom-bar p{max-width:330px;text-align:left}}
@media(max-width:700px){.header{height:65px;padding:0 14px}.brand{gap:7px}.brand strong{font-size:20px}.brand-icon{font-size:28px}.subtitle{display:none}.header .button{font-size:11px;padding:9px}.workspace{height:calc(100dvh - 65px);min-height:420px;grid-template-columns:1fr;grid-template-rows:70px 1fr}.sidebar{padding:12px 14px;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;gap:10px;align-items:center}.intro,.sidebar-footer{display:none}.sidebar>.primary{min-height:44px;font-size:12px;flex:1}.mobile-only{display:block}.sidebar>.secondary{flex:1;font-size:12px}.directory{display:none;position:absolute;top:135px;left:0;width:100%;height:min(400px,calc(100dvh - 160px));background:white;padding:18px 22px;box-shadow:0 15px 25px #12325122;z-index:8}.directory.open{display:flex}.viewer-top{top:13px;left:12px;right:12px}.notice{font-size:10px;padding:8px 10px}.bottom-bar{left:10px;right:10px;bottom:10px;align-items:center}.toolbar{gap:0;padding:3px}.toolbar button{font-size:10px;padding:9px 10px;min-height:40px}.toolbar button span{font-size:15px;margin-right:3px}.bottom-bar p{font-size:9px;text-align:center;max-width:310px}.minimap{right:12px;bottom:100px;width:135px;padding:9px}.minimap figcaption{font-size:7px}.minimap figcaption span{font-size:6px}.map-legend,#position-output{font-size:8px}.selection{left:12px;top:57px;width:210px;padding:12px}.selection h2{font-size:17px}.selection p{font-size:11px}.scene-label{font-size:10px;padding:4px 6px}.walking .minimap{top:55px;width:122px}.walking .selection{width:calc(100% - 155px)}.walking .toolbar button{font-size:10px;padding:8px}.walking .toolbar #aerial-button{display:none}.touch-controls{bottom:108px;left:14px;right:14px}.touch-controls button{width:43px;height:43px}.touch-pad{grid-template-columns:repeat(3,43px)}.turn-pad{grid-template-columns:repeat(2,43px)}.walking .bottom-bar{right:10px}.status{bottom:217px;font-size:11px;max-width:90%;width:max-content}.measurements{gap:15px}.measurements strong{font-size:19px}}
@media(max-height:560px) and (orientation:landscape){.header{height:52px}.workspace{height:calc(100dvh - 52px);min-height:270px}.sidebar{gap:12px}.intro p,.sidebar-footer{display:none}.minimap{width:125px;bottom:105px}.walking .minimap{top:60px;width:115px}.touch-controls{bottom:95px}.selection{top:62px}.walking .selection{max-width:190px}.scene-label{font-size:10px}.bottom-bar{bottom:8px}.directory{top:122px}.notice{padding:6px 10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}.loader{animation:none}}
.floor-picker{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.floor-picker select{font:inherit;font-weight:600;color:var(--ink);border:1px solid #cbd7e1;background:white;border-radius:8px;padding:10px;flex:1;min-width:0;min-height:42px}.floor-picker select:focus-visible{outline:3px solid #238bcd;outline-offset:2px}
@media(max-width:700px){.workspace{grid-template-rows:118px 1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:8px 14px}.floor-picker{grid-column:1/-1}.floor-picker select{min-height:36px;padding:7px}.directory{top:183px;height:min(400px,calc(100dvh - 205px))}}
@media(max-width:700px) and (max-height:560px) and (orientation:landscape){.directory{top:170px}}
.brand-logo{width:56px;height:56px;object-fit:contain;flex:none}.brand-title{display:flex;flex-direction:column;gap:2px}.brand .brand-title strong{font-size:21px;line-height:1.08;letter-spacing:-.5px;color:var(--ink)}.export-field{display:flex;flex-direction:column;gap:8px;margin:18px 0;font-size:13px}.export-field select{font:inherit;padding:12px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink)}#export-status{min-height:24px}
@media(max-width:700px){.brand-logo{width:40px;height:40px}.brand .brand-title strong{font-size:16px}.header{gap:8px}.header .button{max-width:115px}.workspace{grid-template-rows:163px 1fr}#export-button{grid-column:1/-1;min-height:36px;padding:7px}.directory{top:228px;height:min(400px,calc(100dvh - 250px))}}
@media(max-width:700px){#start-button{grid-row:2;grid-column:1}#directory-toggle{grid-row:2;grid-column:2}#export-button{grid-row:3}.sidebar{grid-template-rows:36px 44px 36px}}
.header-credit{flex:1;margin:0;text-align:center;font-size:13px;font-weight:500;line-height:1.4;color:var(--ink)}.header>#assumptions-button{flex:none}
@media(min-width:701px) and (max-width:1100px){.header .subtitle{display:none}.header-credit{font-size:12px}}
@media(max-width:700px){.header{height:90px;display:grid;grid-template-columns:1fr auto;grid-template-rows:56px 24px;gap:0 8px}.header .brand{grid-column:1;grid-row:1}.header>#assumptions-button{grid-column:2;grid-row:1}.header-credit{grid-column:1/-1;grid-row:2;font-size:11px}.workspace{height:calc(100dvh - 90px)}.directory{top:253px;height:min(400px,calc(100dvh - 275px))}}
@media(max-width:700px){.workspace{grid-template-rows:204px 1fr}.sidebar{grid-template-rows:36px 44px 36px 36px}#furniture-button{grid-column:1/-1;grid-row:3;font-size:12px;padding:7px;min-height:36px}#export-button{grid-row:4}.directory{top:294px;height:min(400px,calc(100dvh - 316px))}}