:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#293a30;background:#f5f6f0;font-synthesis:none;--muted:#80877d;--line:#dfe3d7;--green:#304c3a}*{box-sizing:border-box}body{margin:0}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible+span{outline:2px solid #7c935f;outline-offset:4px}button{border:0;background:none}a{color:inherit;text-decoration:none}button:hover{filter:brightness(.94)}[hidden]{display:none!important}#app{height:100dvh;min-height:580px;display:grid;grid-template-columns:292px 1fr;grid-template-rows:76px 1fr 38px}.topbar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--line);background:#fafbf6;z-index:3}.brand{display:flex;gap:15px;align-items:center}.brand-icon{font-size:32px;line-height:1;background:#e9eddf;border:1px solid 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span{margin-right:6px;font-size:14px}.mode-tabs button.active{background:#324d3b;color:#f4f7ec}.icon-button{background:#fbfcf6ed;border:1px solid #d8dfcd;border-radius:8px;width:44px;font-size:22px;color:#6a7d60}.view-caption{position:absolute;left:28px;top:100px;pointer-events:none;display:flex;flex-direction:column;gap:9px}.view-caption span{font-size:8px;letter-spacing:1.7px;color:#8a967f}.view-caption b{font-size:11px;font-weight:500;color:#75856b}.compass{position:absolute;right:26px;top:102px;display:flex;align-items:center;flex-direction:column;color:#85917c;pointer-events:none}.compass span{font-size:9px}.compass i{font-size:34px;font-weight:200;font-style:normal;line-height:1.2}.compass small{font-size:8px;margin-top:4px;letter-spacing:1px}#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.space-label{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;display:flex;flex-direction:column;align-items:center;color:#42573e;gap:5px;text-shadow:0 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#6f805f}.scale-bar small{font-size:8px;margin-left:5px}.loading,.error{position:absolute;inset:0;background:#edf0e4;display:flex;align-items:center;justify-content:center;font-size:14px;z-index:10;padding:30px;text-align:center}.error{color:#874e3a}footer{grid-column:1/-1;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 25px;font-size:9px;color:#8a947f;background:#fafbf6;letter-spacing:.4px}footer span:first-child{font-size:8px;letter-spacing:1.3px}footer i{width:5px;height:5px;margin-right:8px}#crosshair{position:absolute;top:50%;left:50%;width:5px;height:5px;border-radius:50%;background:#fff;box-shadow:0 0 0 1px #39463577;pointer-events:none}#walk-hint{position:absolute;top:100px;left:50%;transform:translateX(-50%);padding:14px 20px;border-radius:6px;background:#f8faf0eb;border:1px solid #dce3d2;display:flex;flex-direction:column;gap:8px;align-items:center;white-space:nowrap;pointer-events:none}#walk-hint b{font-size:12px;font-weight:500}#walk-hint span{font-size:10px;color:#839077;text-align:center;line-height:1.7}.minimap{position:absolute;right:22px;bottom:89px;width:165px;padding:12px;background:#f9fbf0ee;border:1px solid #dce3d2;border-radius:8px;pointer-events:none}.minimap>div{display:flex;justify-content:space-between;font-size:9px;color:#89977f;margin-bottom:8px}.minimap b{font-weight:500;color:#4b6341}.minimap svg{width:100%;display:block}dialog{border:1px solid #d9dfcf;border-radius:12px;background:#f8faf1;color:#3f5137;max-width:550px;padding:35px;box-shadow:0 30px 100px #25361d2b}dialog::backdrop{background:#23361a55;backdrop-filter:blur(4px)}dialog h2{font-size:23px;font-weight:500;margin:17px 0}dialog p{font-size:12px;line-height:1.9;color:#78866b}dialog .close{position:absolute;right:14px;top:12px;font-size:24px;color:#809172}.instructions{border-block:1px solid #dce3d2;padding:15px 0;display:grid;grid-template-columns:45px 1fr;font-size:11px;gap:15px;line-height:1.8}.instructions b{font-weight:500}.instructions span{color:#7d8a71}.primary-button{background:#35503d;color:white;border-radius:6px;padding:11px 18px;font-size:12px;width:100%;margin-top:8px}#joystick{position:absolute;left:28px;bottom:36px;width:104px;height:104px;border-radius:50%;background:#eff5e5aa;border:1px solid #a9b89d;touch-action:none;display:grid;place-items:center}#stick{width:42px;height:42px;background:#5d7857a3;border-radius:50%;border:1px solid #708765;pointer-events:none}#joystick i{position:absolute;bottom:9px;font-style:normal;font-size:9px;opacity:.5;pointer-events:none}.touch-look{position:absolute;right:25px;bottom:56px;font-size:10px;line-height:1.9;color:#66815c;pointer-events:none;text-align:center}.walking .scale-bar{display:none}.walking .view-caption,.walking .compass{display:none}
@media(min-height:950px){.sidebar{padding-top:40px}h1{margin-top:22px}.room-button{padding-block:14px}.settings{margin-top:27px}}
@media(max-height:800px) and (min-width:761px){.sidebar{padding-top:22px}h1{font-size:24px;margin:12px 0 6px}.intro{margin-bottom:16px}.metrics{padding-bottom:17px;margin-bottom:17px}.room-button{padding-block:8px}.settings{margin-top:16px;padding-top:15px}.assumption{margin-top:14px;padding-top:13px}}
@media(max-width:1050px){#app{grid-template-columns:245px 1fr}.sidebar{padding-inline:20px}.brand-sub{display:none}.view-caption{left:20px;top:92px}.compass{right:18px}.bottom-hint{font-size:9px;gap:8px;padding-inline:12px}.scale-bar small{display:none}}
@media(max-width:760px){#app{height:100dvh;min-height:400px;grid-template-columns:1fr;grid-template-rows:58px 1fr 28px}.topbar{padding:0 16px}.brand{gap:10px}.brand strong{font-size:18px}.brand-icon{width:30px;height:30px;font-size:26px}.brand i{display:none}.project-status{font-size:9px}.version{margin-left:3px;font-size:8px}.sidebar{position:absolute;bottom:70px;left:12px;right:12px;padding:0;background:transparent;border:0;overflow:visible;z-index:2;pointer-events:none}.sidebar>.eyebrow,.sidebar h1,.intro,.metrics,.sidebar>.section-title,.settings,.assumption{display:none}#rooms{flex-direction:row;gap:4px;pointer-events:auto;background:#f9fbf1ed;border:1px solid #d6dfcb;padding:5px;border-radius:8px}.room-button{padding:8px 4px;justify-content:center;gap:0}.room-text{align-items:center;gap:4px}.room-text b{font-size:10px}.room-text small{font-size:7px}.room-num,.room-area,.room-arrow{display:none}.text-button{pointer-events:auto;position:fixed;top:68px;right:14px;width:auto;padding:8px;background:#f9fbf1e6;border:1px solid #d8e0cd;border-radius:5px;font-size:9px}.text-button span{display:none}.viewport{grid-column:1}.view-toolbar{top:57px}.mode-tabs button{font-size:10px;padding:8px 14px}.icon-button{width:37px}.view-caption{top:18px;left:16px;gap:5px}.view-caption span{font-size:7px}.view-caption b{font-size:9px}.compass{top:114px;right:15px}.compass i{font-size:27px}.compass small{display:none}.bottom-hint{bottom:14px;font-size:8px;padding:9px 11px;gap:8px}.scale-bar{bottom:118px;right:15px;font-size:8px}.space-label b{font-size:10px;padding:4px 7px}.space-label small{font-size:8px}.space-label.dimension b{font-size:8px}footer{padding:0 13px;font-size:7px}footer span:first-child{font-size:7px}footer span:last-child{display:none}.minimap{width:125px;bottom:207px;right:12px;padding:9px}#walk-hint{top:109px;max-width:95%;padding:10px 12px}#walk-hint span{font-size:9px}#walk-hint b{font-size:11px}.walking .sidebar{bottom:70px}.walking .bottom-hint{display:none}#joystick{bottom:116px;left:25px}.touch-look{bottom:144px;right:24px}dialog{max-width:calc(100vw - 24px);padding:25px;max-height:85dvh}dialog h2{font-size:20px}dialog p{font-size:11px}.instructions{font-size:10px}}

.fov-setting{display:flex;align-items:center;gap:12px;font-size:12px;margin:16px 0}.fov-setting input{flex:1;min-width:80px;accent-color:#304c3a}@media(max-width:760px){.mode-tabs button{padding:8px 9px}.mode-tabs button span{display:none}.view-toolbar{gap:5px}}
.character-tools{position:absolute;top:77px;left:24px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:7px 9px;background:#f8faf0ed;border:1px solid #dce3d2;border-radius:6px;padding:10px 12px;font-size:11px;cursor:pointer}.character-tools input{accent-color:#35503d;margin:0}.character-tools small{grid-column:2;font-size:9px;color:#78866b}@media(max-width:760px){.character-tools{top:106px;left:12px;padding:9px 10px;font-size:10px}.character-tools small{font-size:8px}}

.sample-compare{display:block;font-size:11px;color:#526a4a;margin-top:12px;text-decoration:underline;text-underline-offset:3px}@media(max-width:760px){.sample-compare{position:fixed;top:78px;left:14px;font-size:9px;pointer-events:auto;margin:0;padding:6px;background:#f8faf0ed;border-radius:4px}}