:root{--paper:#f7f4ee;--panel:#fffdf9;--ink:#302e29;--muted:#8b8479;--line:#e5ded2;--accent:#a96946;--soft:#efe3d7;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft JhengHei',sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;height:100dvh;display:flex;flex-direction:column;overflow:hidden;font-size:14px}button,select,input{font:inherit}button,select{color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 13px;cursor:pointer}button:hover,select:hover{background:var(--soft)}button:focus-visible,select:focus-visible,svg:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled,select:disabled{opacity:.5;cursor:default}button.active,[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:white}[hidden]{display:none!important}header{display:flex;align-items:center;gap:30px;padding:18px 24px;border-bottom:1px solid var(--line);background:var(--panel);z-index:5;flex:none}.brand{display:flex;align-items:center;gap:12px;min-width:220px}.brand-mark{font-size:32px;font-weight:300;color:var(--accent)}h1{font-size:19px;font-weight:600;letter-spacing:.12em;margin:0}.brand p{font-size:12px;color:var(--muted);margin:4px 0 0}.switcher{display:flex;gap:4px;padding:4px;background:var(--paper);border:1px solid var(--line);border-radius:12px}.switcher button{min-width:100px;border:0}.header-actions{display:flex;gap:10px;align-items:center;margin-left:auto}.check{display:flex;gap:7px;align-items:center;white-space:nowrap;font-size:13px}input{accent-color:var(--accent)}#rooms-toggle{display:none}#fullscreen{font-size:20px;padding:5px 12px}.workspace{display:flex;flex:1;min-height:0}aside{width:222px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:auto}.aside-heading{padding:24px 20px 16px;font-size:13px;font-weight:600;letter-spacing:.06em}.aside-heading small{display:block;color:var(--muted);font-size:11px;font-weight:400;letter-spacing:0;margin-top:7px}#room-list{padding:0 12px 12px;display:flex;flex-direction:column;gap:3px}#room-list button{border:0;background:transparent;text-align:left;display:flex;align-items:center;gap:10px;padding:10px 12px}#room-list button small{font-size:10px;color:var(--muted);width:26px}#room-list button:hover,#room-list button.active{background:var(--soft);color:var(--accent)}.aside-note{padding:18px 24px 22px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.9;margin-top:auto}.palette{display:flex;gap:6px;margin:13px 0 7px}.palette i{width:18px;height:18px;background:var(--c);border-radius:50%;border:1px solid #00000010}.aside-note span{font-size:10px}main{position:relative;flex:1;min-width:0;background:var(--paper);overflow:hidden}main section,#view3d{position:absolute;inset:0}#plan{width:100%;height:100%;display:block;touch-action:none;cursor:grab}#plan:active{cursor:grabbing}#plan text{font-family:inherit;pointer-events:none}.toolbar{display:flex;gap:5px;align-items:center;position:absolute;left:20px;top:18px;z-index:3;background:#fffdf9ee;backdrop-filter:blur(8px);border:1px solid var(--line);padding:5px;border-radius:12px;box-shadow:0 3px 14px #4c382308}.toolbar button,.toolbar select{border:0;min-height:34px;padding:7px 12px}.toolbar span{font-size:11px;color:var(--muted);padding:0 10px}.toolbar #walk{color:var(--accent);border-left:1px solid var(--line);border-radius:0 6px 6px 0}.view-badge{position:absolute;right:20px;bottom:18px;background:#fffdf9dd;border:1px solid var(--line);border-radius:7px;padding:7px 12px;font-size:11px;color:var(--muted);pointer-events:none}footer{display:flex;justify-content:space-between;gap:10px;padding:10px 24px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);background:var(--panel);z-index:5;flex:none}#view3d canvas{display:block;touch-action:none}#loading{position:absolute;inset:0;display:grid;place-content:center;background:var(--paper);z-index:4;color:var(--muted)}#error{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:18px;max-width:440px;width:calc(100% - 40px);z-index:4;box-shadow:0 16px 60px #3b2b1712}#error h2{font-size:18px;margin:0 0 10px}#error p{font-size:13px;line-height:1.8;color:var(--muted)}#error div{display:flex;gap:7px}#walk-overlay{position:absolute;inset:0;display:grid;place-items:center;background:#28231b66;z-index:3}#walk-overlay>div{max-width:340px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px;text-align:center}#walk-overlay h2{font-size:20px;font-weight:500}#walk-overlay p{font-size:13px;line-height:1.8;color:var(--muted)}.eyebrow{color:var(--accent)!important;letter-spacing:.16em;font-size:11px!important}#walk-start{background:var(--accent);color:white;border:0;min-width:150px;margin-top:10px}#cross{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:white;text-shadow:0 0 4px #000;z-index:2;pointer-events:none}#exit-walk{position:absolute;bottom:24px;right:24px;z-index:4}#joystick{position:absolute;width:114px;height:114px;left:24px;bottom:24px;background:#ffffff38;border:2px solid #ffffffaa;border-radius:50%;z-index:4;touch-action:none;backdrop-filter:blur(4px)}#joystick i{position:absolute;left:50%;top:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:#fffdf9cc;pointer-events:none}.room-label{font-size:11px;padding:3px 8px;background:#fffdf9e8;border:1px solid var(--line);color:var(--ink);border-radius:12px;white-space:nowrap;pointer-events:none}
@media(max-width:900px){header{gap:12px;padding:12px 16px}.brand{min-width:180px}aside{width:190px}.header-actions{gap:8px}footer{padding:10px 16px}.notice{display:none}}
@media(max-width:650px){header{flex-wrap:wrap;padding:12px 14px;gap:10px}.brand{min-width:0;flex:1}.brand-mark{font-size:27px}h1{font-size:17px}.brand p{font-size:11px}.switcher{order:3;width:100%;justify-content:center}.switcher button{flex:1;padding:8px}.header-actions{gap:5px}.check{font-size:11px;gap:3px}#rooms-toggle{display:block;padding:8px;font-size:11px}#fullscreen{display:none}aside{position:absolute;top:0;bottom:0;left:0;width:222px;z-index:6;box-shadow:10px 0 40px #35271020;display:none}aside.open{display:flex}.workspace{position:relative}.toolbar{left:10px;top:10px;gap:2px;max-width:calc(100% - 20px);padding:4px}.toolbar button,.toolbar select{padding:8px;font-size:12px;min-height:36px}.toolbar span{padding:0 6px}.view-badge{right:10px;bottom:12px;font-size:10px}footer{padding:10px 14px;font-size:10px}#exit-walk{right:16px;bottom:22px}#joystick{left:16px;bottom:22px}}
button[aria-selected="true"]:hover,button.active:hover{background:var(--accent);color:white}#plan text{user-select:none}
#lighting-panel{position:absolute;top:76px;left:20px;z-index:7;width:310px;max-width:calc(100% - 20px);padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 40px #35271026}.lighting-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.lighting-heading h2{font-size:16px;margin:0;font-weight:600}.lighting-heading button{padding:7px 10px}.lighting-modes{display:flex;gap:6px;margin-bottom:22px}.lighting-modes button{flex:1}.lighting-modes [aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:white}.hour-label{display:flex;justify-content:space-between;align-items:center;font-size:13px}.hour-label output{font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent)}#sun-hour{width:100%;height:36px;margin:6px 0;cursor:pointer}#sun-hour:disabled{opacity:.4;cursor:default}.hour-range{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}#lighting-note{font-size:12px;line-height:1.7;color:var(--muted);margin:16px 0 0}#walk-lighting{display:block;margin:12px auto 0}#walk-start{display:block;margin:10px auto 0}
@media(max-width:650px){#lighting-panel{top:66px;left:10px;width:calc(100% - 20px);padding:18px}.toolbar #walk{padding-left:7px;padding-right:7px}}