:root{font-family:Inter,Arial,sans-serif;color:#25322c;background:#e5e8e4;font-synthesis:none;--ink:#23352c;--accent:#965b3e;--line:#d5dbd4;--paper:#fafbf8}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,input:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid #b77642;outline-offset:4px}button:disabled{opacity:.35;cursor:default}button svg{height:19px;width:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.header{height:86px;background:var(--paper);display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--line);position:relative;z-index:3}.identity{display:flex;align-items:center;gap:14px}.mark{height:44px;width:44px;display:grid;place-items:center;background:#8d493b;color:#fff5e8;font-family:serif;font-size:26px;border-radius:2px}.identity h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:25px;letter-spacing:-.6px;margin:0 0 5px}.identity p{font-size:10px;letter-spacing:2.3px;margin:0;color:#737c75}.identity p span{margin-left:12px;color:#995d42}.header-right{display:flex;align-items:center;gap:20px}.concept{font-size:13px;color:#7b827c}.outline{display:flex;align-items:center;gap:9px;border:1px solid #cad1c9;border-radius:5px;background:transparent;padding:10px 13px;font-size:14px}.outline:hover{background:#eef1eb}.icon-button{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:transparent;font-size:18px}.icon-button:hover{background:#e9eee6}#viewport{height:calc(100dvh - 86px);min-height:440px;position:relative;overflow:hidden}#scene{display:block;position:absolute;width:100%;height:100%;inset:0;touch-action:none;outline:none}.views{display:flex;gap:3px;position:absolute;top:24px;left:50%;transform:translateX(-50%);padding:5px;background:rgba(250,251,248,.96);border:1px solid #d4dacf;box-shadow:0 5px 18px #27392b08;border-radius:8px}.views button{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:14px;border:0;padding:11px 17px;border-radius:5px;background:transparent;color:#737c74}.views button:hover{background:#e9ede6}.views button.active{background:var(--ink);color:#fff}.view-tools{position:absolute;right:24px;top:112px;display:flex;flex-direction:column;gap:8px}.tool{display:flex;align-items:center;gap:10px;height:42px;width:42px;padding:10px;border:1px solid #d4dacf;border-radius:6px;background:#fafbf8ed;position:relative}.tool.active{color:#93573b;border-color:#b9baa9;background:#fffdf4}.tool span{display:none;position:absolute;right:50px;font-size:13px;background:#23352c;color:white;padding:7px 10px;border-radius:4px;white-space:nowrap}.tool:hover span,.tool:focus-visible span{display:block}.scale-card{position:absolute;left:28px;bottom:80px;width:230px;padding:20px 21px 0;background:rgba(250,251,248,.96);border:1px solid #d0d7cd;border-radius:7px;box-shadow:0 6px 30px #29392a06}.eyebrow{font-size:11px;letter-spacing:1.9px;font-weight:600;color:#7f897f;margin:0}.area-line{display:flex;align-items:baseline;gap:5px;margin-top:13px}.area-line strong{font-family:Georgia,'Times New Roman',serif;font-size:43px;font-weight:400;letter-spacing:-2px}.area-line>span{font-size:17px;color:#7a857b}.area-line .seat-count{font-size:12px;letter-spacing:.1px;margin-left:auto;background:#edf0e9;padding:5px 8px;border-radius:3px;color:#566752;white-space:nowrap}.footprint{font-size:17px;margin:12px 0 5px;font-variant-numeric:tabular-nums}.estimate{font-size:12px;color:#7b857b;margin:0 0 19px}details{border-top:1px solid var(--line)}summary{list-style:none;display:flex;justify-content:space-between;cursor:pointer;font-size:12px;padding:14px 0;color:#54644f}summary::-webkit-details-marker{display:none}summary span{font-size:15px}details[open] summary span{transform:rotate(45deg)}.settings{padding-bottom:12px}.settings label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px}.settings label span{color:#7e897e}.number-row{display:flex;gap:5px}input{width:100%;min-width:0;border:1px solid #c9d1c5;border-radius:3px;padding:7px 9px;background:#fff;color:#25362c;font-size:15px}.number-row button{padding:7px 12px;border:0;border-radius:3px;background:#293c2e;color:#fff;font-size:13px}.settings p{font-size:12px;line-height:1.5;color:#768170;margin:12px 0}.settings dl{margin:10px 0}.settings dl div{display:flex;justify-content:space-between;font-size:12px;padding:6px 0;border-bottom:1px solid #e5e9df}.settings dd{margin:0}.bottom-bar{position:absolute;left:28px;right:24px;bottom:20px;display:flex;align-items:center;gap:20px;pointer-events:none;color:#687566}.bottom-bar button{pointer-events:auto;margin-left:auto}.view-caption{display:flex;gap:9px;align-items:center;font-size:12px;white-space:nowrap}.small-square{display:inline-block;width:6px;height:6px;background:#9c6b48}.bottom-bar p{margin:0 auto;font-size:12px;text-align:center;line-height:1.6}.bottom-bar p span{padding:0 7px;color:#8e998a}#world-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.world-label{position:absolute;transform:translate(-50%,-50%);font-size:11px;border:1px solid #c5ccbe;border-radius:3px;background:#fafcf5ec;padding:5px 8px;white-space:nowrap;color:#46573d;box-shadow:0 1px 6px #00000009}.world-label.dimension{border:0;background:#e6e9e1d9;font-family:monospace;font-size:12px;box-shadow:none}.world-label small{color:#7b8575;margin-left:4px}#walk-controls{position:absolute;bottom:85px;right:25px;text-align:center}#walk-controls button{width:44px;height:44px;border:1px solid #bfc7b9;margin:2px;border-radius:6px;background:#fffef6e8;font-size:23px;touch-action:none}#walk-controls button:active{background:#24372d;color:white}#toast{position:absolute;bottom:80px;left:50%;transform:translateX(-50%);background:#25392feF;color:#fff;padding:10px 16px;border-radius:5px;font-size:13px;opacity:0;transition:opacity .3s;pointer-events:none}#loading{position:absolute;inset:0;display:flex;gap:12px;align-items:center;justify-content:center;font-size:15px;background:#e5e8e4;z-index:2}#loading span{border:2px solid #bec8b9;border-top-color:#405642;width:22px;height:22px;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#error{position:absolute;inset:25%;padding:30px;background:white;z-index:2;border-radius:8px;text-align:center}#error button{background:#25392f;color:#fff;padding:10px;border:0}dialog{border:1px solid #cfd6ca;border-radius:10px;padding:0;background:#fafbf8;color:#25362c;max-width:1050px;width:90vw;max-height:90dvh;box-shadow:0 25px 100px #15241533}dialog::backdrop{background:#14201bd0;backdrop-filter:blur(6px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:23px 28px;border-bottom:1px solid #d8ded1}.dialog-header h2{font-family:Georgia,serif;font-weight:400;margin:6px 0 0;font-size:27px}.dialog-header .icon-button{font-size:25px}.plan-image{padding:18px;background:#e5e7e0}.plan-image img{max-height:62dvh;width:100%;object-fit:contain;display:block}.dialog-note{margin:0;padding:18px 28px;font-size:13px;color:#6c7866;line-height:1.6}#about-dialog{max-width:570px}.about-content{padding:10px 28px 24px;line-height:1.65;font-size:15px}.about-content h3{font-size:14px;margin-top:24px;color:#866346}.about-content .note{padding:14px 17px;background:#eef1e8;border-radius:5px;font-size:13px;color:#6b775e}[hidden]{display:none!important}@media(max-width:900px){.header{padding:0 20px;height:76px}.concept{display:none}#viewport{height:calc(100dvh - 76px)}.scale-card{left:18px;bottom:70px;width:205px;padding:16px 17px 0}.view-tools{right:16px}.bottom-bar{left:18px;right:16px}.bottom-bar p{max-width:300px}.views{top:20px}.views button{padding:10px 12px}.area-line strong{font-size:36px}.seat-count{padding:4px!important}}@media(max-width:600px){.header{height:70px;padding:0 15px}.identity{gap:10px}.mark{height:37px;width:37px;font-size:22px}.identity h1{font-size:21px}.identity p{font-size:9px}.header-right{gap:10px}.outline{padding:9px}.outline span{display:none}.header-right .icon-button{width:31px;height:31px}#viewport{height:calc(100dvh - 70px);min-height:460px}.views{top:16px;width:max-content;max-width:95%;gap:2px;padding:4px}.views button{font-size:12px;padding:9px 11px;gap:6px}.views button svg{width:16px;height:16px}.view-tools{top:84px;right:12px;gap:6px}.tool{width:36px;height:36px;padding:8px}.tool svg{height:18px;width:18px}.scale-card{width:174px;padding:13px 14px 0;left:13px;bottom:66px}.scale-card .eyebrow{font-size:9px}.area-line{margin-top:8px}.area-line strong{font-size:30px}.area-line>span{font-size:14px}.area-line .seat-count{font-size:10px}.footprint{font-size:14px;margin-top:8px}.estimate{font-size:10px;margin-bottom:10px}summary{font-size:11px;padding:11px 0}.settings{max-height:240px;overflow:auto}.bottom-bar{left:13px;right:12px;bottom:15px;gap:10px}.view-caption{display:none}.bottom-bar p{font-size:11px;margin:0;text-align:left;max-width:270px}.bottom-bar p span{padding:0 2px}.world-label{font-size:10px;padding:4px}.world-label.dimension{font-size:10px}dialog{width:95vw}.dialog-header{padding:18px}.dialog-header h2{font-size:23px}.dialog-note{padding:15px 18px}.about-content{padding:5px 18px 18px;font-size:14px}#error{inset:20% 8%}#walk-controls{right:12px;bottom:75px}#walk-controls button{width:39px;height:39px}}
/* Layout comparison */
.layout-switch{display:flex;gap:3px;padding:4px;border:1px solid #ced5c9;border-radius:6px;background:#edf0e9;margin:0 16px}.layout-switch button{display:flex;align-items:center;gap:9px;white-space:nowrap;border:0;background:transparent;color:#708069;font-size:14px;padding:10px 15px;border-radius:3px}.layout-switch button small{font-size:11px;opacity:.65}.layout-switch button.active{background:#fffdf6;box-shadow:0 1px 5px #233a2210;color:#384f39}.layout-switch button:hover{color:#925e3c}.seat-breakdown{font-size:12px;color:#73816d;margin:7px 0 13px}.layout-metrics{display:grid;gap:8px;margin:14px 0 8px;border-top:1px solid #dbe0d5;padding-top:13px}.layout-metrics div{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:12px}.layout-metrics span{color:#76836f}.layout-metrics strong{font-size:13px;font-weight:500;color:#4d6b50}.rationale{padding:10px 0 14px;background:transparent;border:0;color:#926039;font-size:12px;text-align:left;width:100%}.scale-card:has(details[open]) .layout-metrics{display:none}.scale-card:has(details[open]) .rationale{display:none}.scale-card .estimate{margin-bottom:10px}#about-dialog{max-width:620px}.world-label{font-size:12px}.world-label.dimension{color:#4b654a;background:#edf1e9e8;font-size:12px}.scale-card{bottom:74px}.view-tools{top:103px}.header-right{gap:12px}@media(max-width:900px){.layout-switch{margin:0 8px}.layout-switch button{padding:9px 10px;font-size:13px;gap:5px}.header{padding:0 18px}.scale-card{width:217px}.layout-metrics div{font-size:11px}}@media(max-width:700px){.header{height:117px;align-items:flex-start;padding-top:14px}.header-right{padding-top:3px}.layout-switch{position:absolute;bottom:9px;left:50%;transform:translateX(-50%);margin:0;width:calc(100% - 28px);max-width:390px;padding:3px;justify-content:center}.layout-switch button{flex:1;justify-content:center;padding:7px 11px;font-size:13px}.layout-switch button small{font-size:10px}#viewport{height:calc(100dvh - 117px)}.scale-card{width:181px;bottom:62px;max-height:calc(100% - 102px);overflow:auto}.scale-card .footprint{font-size:14px;margin-top:7px}.seat-breakdown{font-size:10px;margin:5px 0 10px}.layout-metrics{gap:6px;margin-top:10px;padding-top:10px}.layout-metrics div{font-size:10px}.layout-metrics strong{font-size:11px}.rationale{font-size:10px;padding:8px 0 10px}.world-label{font-size:10px}.world-label.dimension{font-size:10px}.view-tools{top:84px}.scale-card:has(details[open]) .seat-breakdown{display:none}}@media(max-height:720px) and (min-width:701px){.scale-card{max-height:calc(100% - 100px);overflow:auto}.scale-card:has(details[open]) .area-line,.scale-card:has(details[open]) .seat-breakdown{display:none}}

@media(max-width:900px){.header-right .outline span{display:none}}
.about-content a{color:#896039;text-underline-offset:3px}.view-tools{gap:7px}@media(max-width:700px){.layout-switch button{font-size:12px}.view-tools{gap:5px}}

/* Evening interior study */
:root{color:#ece5da;background:#181b1c;--ink:#e3c399;--line:#4b443b;--paper:#242320;--accent:#d1a36d}
.header{background:#201f1d;border-color:#454038}.identity p,.eyebrow{color:#b5a896}.mark{background:#783e31}.outline{border-color:#5c5145}.outline:hover,.icon-button:hover{background:#393229}.views,.scale-card{background:#25231fee;border-color:#4c453b;box-shadow:0 8px 28px #0003}.views button{color:#c3b8a8}.views button:hover{background:#3c342a}.views button.active{background:#d7b385;color:#241e18}.tool{background:#2a2824ef;border-color:#524b41;color:#d0c4b4}.tool.active{color:#ebc18b;border-color:#a5835b;background:#3a3025}.tool span{background:#e0c6a0;color:#211d18}.area-line>span,.estimate,.settings p,.settings label span,.settings dd,.seat-breakdown,.bottom-bar,.bottom-bar p span{color:#b9ad9c}.area-line .seat-count{background:#40392e;color:#e3cba9}.rationale,.about-content a{color:#e6b77e}summary{color:#c6b6a0}input{background:#35312b;color:#f0e9dc;border-color:#695945}.number-row button{background:#c8a778;color:#211c16}.settings dl div{border-color:#4b443b}.world-label{color:#e9d4b5;background:#282620ed;border-color:#685844}.world-label.dimension{color:#dfc7a5;background:#282621e8}.bottom-bar{background:#1f201ee0;padding:8px 12px;border-radius:5px}.small-square{background:#e0a65f}dialog{background:#282620;color:#e8decd;border-color:#635541}.dialog-header{border-color:#554a3e}.about-content h3{color:#dfb884}.dialog-note{color:#bba98e}.about-content{font-size:16px}.plan-image{background:#39382f}#loading{background:#181b1c;color:#e0c6a0}#error{background:#292620;color:#e9dfcf}#walk-controls button{background:#2a2824ee;color:#e2ccb0;border-color:#756149}.identity p{font-size:12px;letter-spacing:1.6px}.eyebrow{font-size:12px}.tool span{font-size:14px}.seat-breakdown,.estimate,summary,.rationale{font-size:13px}
@media(max-width:700px){.header{height:76px;padding-top:14px}#viewport{height:calc(100dvh - 76px)}.identity p{font-size:10px;letter-spacing:1px}.view-tools{top:86px;gap:5px}.tool{height:34px;width:34px;padding:7px}.scale-card{width:178px}.scale-card .eyebrow{font-size:10px}.seat-breakdown,.rationale,.estimate{font-size:11px}}