:root{color-scheme:light;--bg:#edf0e9;--panel:#fafbf7;--stage:#e1e7dc;--line:#dce1d5;--ink:#253328;--muted:#738170;--accent:#246a55;font:13px/1.6 Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,select,input{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:7px 12px}button:disabled{opacity:.45;cursor:not-allowed}button:hover,a:hover{color:var(--accent)}a{color:var(--accent);text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}header{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 28px;border-bottom:1px solid var(--line);background:var(--panel)}header>a{font-size:11px}.brand{font-size:30px;display:flex;align-items:center;gap:10px}.brand span{font-size:18px;font-weight:650;line-height:1.3;color:var(--ink)}.brand small{display:block;font-size:9px;letter-spacing:.2em;color:var(--muted);margin-top:3px}.download{padding:8px 14px;background:var(--accent);border-radius:6px;color:white}.download:hover{color:white;filter:brightness(1.1)}main{display:grid;grid-template-columns:minmax(0,1fr) 350px;min-height:calc(100dvh - 68px)}.left{min-width:0}#stage{height:calc(100dvh - 310px);min-height:460px;position:relative;overflow:hidden;background:var(--stage)}#canvas-host{position:absolute;inset:0}#canvas-host canvas{width:100%;height:100%;display:block;touch-action:none}.intro{position:absolute;top:28px;left:30px;pointer-events:none}.eyebrow{font:10px monospace;letter-spacing:.15em;color:var(--muted)}h1{font-weight:500;font-size:28px;line-height:1.45;letter-spacing:-.8px;margin:14px 0 7px}.intro p{font-size:10px;color:var(--muted);margin:0}.phase{position:absolute;top:26px;right:25px;border-radius:18px;padding:7px 14px;background:var(--panel);font-size:11px}.phase.shaking{background:var(--accent);color:white}.stage-bottom{position:absolute;bottom:17px;left:25px;right:20px;display:flex;align-items:center;justify-content:space-between;gap:15px}.stage-bottom>span{font-size:10px;color:var(--muted);background:var(--panel);padding:6px 9px;border-radius:5px}.stage-bottom div{display:flex;gap:5px}.stage-bottom button{font-size:10px;padding:6px 9px}#loading{position:absolute;inset:0;background:var(--stage);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;z-index:9}#loading strong{font-weight:500;font-size:16px}#load-detail{font-size:11px;color:var(--muted)}.transport{display:flex;align-items:center;gap:15px;padding:16px 25px;background:var(--panel);border-block:1px solid var(--line);height:93px}#play,#restart{border-radius:50%;width:36px;height:36px;padding:0}#play[aria-pressed=true]{background:var(--accent);color:white}.track{flex:1;min-width:0}.track-label{display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:10px}#clock{font:11px monospace}input[type=range]{width:100%;accent-color:var(--accent);margin:7px 0 0;height:14px;display:block}.phase-labels{display:grid;grid-template-columns:1fr 5fr 3fr;font-size:9px;color:var(--muted);margin-top:4px}.phase-labels span:nth-child(2){text-align:center}.phase-labels span:last-child{text-align:right}#speed{border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:5px;font-size:10px}.chart-card{padding:17px 25px 6px;background:var(--panel)}.chart-card>div{display:flex;justify-content:space-between;font-size:10px;gap:10px}.chart-card strong{font-weight:500}.chart-card span{color:var(--muted);font-size:9px}#motion-chart{display:block;width:100%;height:88px;margin-top:6px}#chart-name{font-size:9px;margin:0;color:var(--muted)}aside{background:var(--panel);border-left:1px solid var(--line);height:calc(100dvh - 68px);overflow:auto;position:sticky;top:0;scrollbar-width:thin}aside section{padding:22px;border-bottom:1px solid var(--line)}h2{font-weight:500;font-size:22px;line-height:1.5;margin:14px 0 9px}.copy{font-size:11px;color:var(--muted);line-height:1.9}.run-list{display:grid;gap:8px;margin-top:18px}.run-list button{display:grid;grid-template-columns:1fr auto;gap:3px;text-align:left;padding:11px 12px}.run-list button[aria-pressed=true]{background:#e1ecdf;border-color:#89ad90}.run-list span{font-size:12px}.run-list b{font:500 12px monospace;color:var(--accent);align-self:center}.run-list small{font-size:10px;color:var(--muted);grid-column:1/-1}.fine{font-size:10px;line-height:1.85;color:var(--muted);margin:12px 0 0}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}h3{font-size:12px;margin:0 0 12px;font-weight:600}.section-head h3{margin:0}.section-head>span{font:10px monospace;color:var(--muted)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:20px 15px}.metrics b{display:block;font:500 26px monospace;color:var(--accent)}.metrics span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.quality{font-size:10px;background:#e7ebdf;padding:10px 12px;border-radius:5px;line-height:1.8;margin:18px 0 0}.quality.issue{background:#f2e7d4;color:#745d32}aside section>a{display:block;font-size:11px;margin-top:13px}.toggles{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:11px}.toggles input{accent-color:var(--accent);vertical-align:middle}.notes{padding-left:15px;margin:0;font-size:10px;color:var(--muted);line-height:1.9}.notes li{margin-bottom:7px}aside footer{padding:19px 22px;color:var(--muted);font-size:9px;line-height:1.9}@media(max-width:1050px){main{grid-template-columns:minmax(0,1fr) 310px}aside section{padding:19px}.intro{top:22px;left:20px}h1{font-size:24px}.stage-bottom{left:15px;right:15px}.stage-bottom>span{max-width:50%;font-size:9px}.transport{padding:14px 16px;gap:10px}}@media(max-width:700px){header{height:62px;padding:0 15px;gap:10px}.brand{font-size:24px}.brand span{font-size:15px}header>a{font-size:9px}.download{padding:7px 9px}.brand small{font-size:8px}main{display:block}.intro{top:20px}.intro h1{font-size:23px}#stage{height:57svh;min-height:425px}.phase{top:18px;right:13px;padding:6px 10px;font-size:10px}.stage-bottom{align-items:flex-end}.stage-bottom>span{font-size:8px}.stage-bottom button{font-size:9px;padding:6px 7px}.transport{height:88px;padding:13px;gap:9px}#speed{width:53px}#restart{display:none}.chart-card{padding:15px}.chart-card>div{flex-direction:column;gap:2px}aside{height:auto;position:static;border-left:0;border-top:1px solid var(--line);overflow:visible}aside section{padding:23px}.run-list{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(4,1fr);gap:8px}.metrics b{font-size:22px}.metrics span{font-size:9px}.notes,.fine{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}