:root{color-scheme:dark;--bg:#11171e;--panel:#19212a;--line:#303942;--text:#edf2f4;--muted:#9aa8b4;--accent:#dbfa8b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;border:1px solid var(--line);background:transparent;border-radius:7px;padding:8px 14px;cursor:pointer}button:hover{background:#35404b}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--text);font-size:21px;letter-spacing:2px}.brand b{font-size:15px;font-weight:400;color:var(--muted);margin-left:14px;letter-spacing:1px}.mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--accent);color:var(--accent);font-size:22px;border-radius:50%}.headnote{font-size:12px;letter-spacing:1.3px;color:var(--muted)}i{font-style:normal;color:var(--accent);margin:0 12px}main{display:grid;grid-template-columns:minmax(0,1fr) 330px;height:calc(100dvh - 78px);min-height:650px}#viewport{position:relative;min-width:0;overflow:hidden;background:radial-gradient(ellipse at 50% 50%,#283340,#11171e 75%)}canvas{width:100%;height:100%;display:block;touch-action:none}.view-title{position:absolute;z-index:1;top:32px;left:35px;pointer-events:none}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted)}h1{font-size:clamp(26px,2.5vw,40px);line-height:1.4;letter-spacing:2px;font-weight:500;margin:15px 0}p{color:var(--muted)}.view-title p{font-size:13px}.viewbar{position:absolute;z-index:2;bottom:76px;left:50%;transform:translateX(-50%);display:flex;gap:3px;padding:5px;border:1px solid var(--line);border-radius:10px;background:#131b24e8}.viewbar button{border:0;white-space:nowrap;padding:8px 18px}.viewbar .active{background:var(--accent);color:#172212}.orientation{position:absolute;bottom:90px;right:28px;color:var(--muted);display:grid;font:12px/2 monospace}.caption{position:absolute;left:32px;right:32px;bottom:24px;display:flex;align-items:center;gap:10px;font-size:13px}.dot{width:6px;height:6px;background:var(--accent);border-radius:50%}.sub{margin-left:auto;color:var(--muted)}aside{border-left:1px solid var(--line);background:var(--panel);padding:26px 24px;overflow-y:auto}.panel-head h2{font-size:23px;font-weight:500;margin:7px 0}.panel-head p{margin:0 0 22px;font-size:13px}.layers{display:grid;gap:6px}.layer{display:flex;align-items:center;gap:12px;padding:10px 0}.swatch{width:8px;height:28px;border-radius:3px}.layer-info{flex:1}.layer-name{font-size:14px}.layer-info small{display:block;font-size:12px;color:var(--muted)}input[type=checkbox]{appearance:none;width:33px;height:19px;background:#46515c;border-radius:12px;cursor:pointer;position:relative;flex-shrink:0;margin:0}input[type=checkbox]:before{content:"";position:absolute;top:3px;left:3px;width:13px;height:13px;background:#b9c2ca;border-radius:50%;transition:.18s}input[type=checkbox]:checked{background:var(--accent)}input[type=checkbox]:checked:before{left:17px;background:#23321a}.tools{border-top:1px solid var(--line);margin-top:17px;padding-top:20px}.section-title{margin-bottom:12px}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0}.toggle-row small{font-size:12px;color:var(--muted);margin-left:8px}.range-label{display:flex;justify-content:space-between;margin:18px 0 8px}output{font-size:12px;color:var(--accent);font-family:monospace}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}.detail{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.detail h3{font-size:15px;font-weight:500;margin:10px 0}.detail p{font-size:13px;line-height:1.9;margin:8px 0 12px}.detail a{color:var(--accent);text-decoration:none;font-size:12px}.disclaimer{font-size:12px;line-height:1.7;margin-top:23px;color:#83909c}#loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:14px 22px;background:#131b24;border-radius:10px;z-index:4}#loading[hidden]{display:none}@media(min-width:1600px){main{grid-template-columns:minmax(0,1fr) 365px}aside{padding:32px}}@media(max-width:800px){header{height:68px;padding:0 16px}.headnote{display:none}.brand{font-size:18px}.brand b{font-size:13px;margin-left:6px}main{height:auto;min-height:0;grid-template-columns:1fr}#viewport{height:67dvh;min-height:480px}.view-title{top:18px;left:20px}h1{font-size:26px;margin:8px 0}.view-title p{font-size:12px}aside{border-left:0;border-top:1px solid var(--line);overflow:visible}.layers{grid-template-columns:1fr 1fr;column-gap:24px}.viewbar button{padding:7px 13px}.caption{left:20px;right:20px}.orientation{bottom:140px}.sub{font-size:12px}}