*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}button,input,select{font:inherit}button,select,input{min-height:44px}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit;text-underline-offset:4px}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.skip{position:absolute;top:-70px;left:16px;z-index:10;background:var(--ink);color:var(--bg);padding:10px}.skip:focus{top:10px}header,main,footer{width:min(1160px,100% - 48px);margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:26px 0;border-bottom:1px solid var(--line);gap:12px}header a{text-decoration:none;font-weight:750}.small,.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase}h1{font-size:clamp(36px,5.5vw,66px);letter-spacing:-.065em;line-height:1.12;margin:0 0 20px}h2{font-size:23px;letter-spacing:-.035em;line-height:1.35}p{margin:0 0 18px}.intro{padding:42px 0 30px;max-width:760px}.intro p{font-size:17px;color:var(--muted)}.eyebrow{font-weight:750;margin-bottom:16px;color:var(--accent)}label{display:block;font-size:14px;font-weight:650}input:not([type=color]),select{width:100%;border:1px solid var(--line);border-radius:4px;padding:9px 11px;background:var(--surface);color:var(--ink)}input[type=color]{width:100%;height:48px;padding:3px;border:1px solid var(--line);background:var(--surface)}.controls{display:grid;gap:18px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.actions{display:flex;gap:10px;flex-wrap:wrap}button{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:4px;padding:9px 15px;font-weight:650}.primary{background:var(--accent);border-color:var(--accent);color:var(--onaccent)}.error{min-height:1.65em;font-size:13px;color:var(--error);margin:10px 0}.code{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}.guide{padding:42px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid var(--line);margin-top:42px}.guide p{font-size:14px;color:var(--muted)}.guide h2{font-size:19px}footer{border-top:1px solid var(--line);padding:24px 0 40px;font-size:12px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}.meta{font-size:12px;color:var(--muted)}.workbench>*{min-width:0}@media(max-width:760px){header,main,footer{width:calc(100% - 32px)}header{padding:18px 0}.intro{padding:32px 0 24px}.guide{grid-template-columns:1fr;gap:12px;margin-top:28px;padding:28px 0}.workbench{grid-template-columns:1fr!important}.intro p{font-size:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

:root{--bg:#f2f0e9;--surface:#fcfbf7;--ink:#252725;--muted:#62665d;--line:#cbcfc3;--accent:#bd421f;--onaccent:#fff;--focus:#246a94;--error:#a42b20}.workbench{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);border-top:2px solid var(--ink)}.plot-panel{padding:20px 32px 24px 0}.panel-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.panel-top h2{font-size:17px;margin:0}.panel-top .small{font-size:10px}#plot{display:block;width:100%;max-height:370px;margin:18px auto;color:var(--ink)}.gridline{fill:none;stroke:#dedfd5;stroke-width:1}.axis{fill:none;stroke:#a2a899;stroke-width:1}.handle{fill:none;stroke:#7b826d;stroke-width:1.5;stroke-dasharray:4 4}.curve{fill:none;stroke:var(--accent);stroke-width:3.5}#plot circle{fill:var(--surface);stroke:var(--accent);stroke-width:3}#plot text{fill:#606656;font:12px monospace}.sample-table{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.sample-table>div{padding:14px 8px 0}.sample-table span{display:block;font-size:11px;color:var(--muted)}.sample-table strong{font:20px ui-monospace,monospace}.control-panel{padding:24px 0 24px 32px;border-left:1px solid var(--line)}.point-title{font-size:11px;color:var(--accent);font-weight:750;letter-spacing:.08em;margin-bottom:8px}.motion-panel{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.track{position:relative;height:85px;margin-top:8px}.track::before{content:'';position:absolute;top:42px;left:40px;right:40px;height:1px;background:var(--line)}.start-dot,.end-dot{position:absolute;top:39px;height:7px;width:7px;border:1px solid var(--ink);border-radius:50%}.start-dot{left:44px}.end-dot{right:44px}.ball{position:absolute;left:32px;top:27px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:white}.motion-panel p{margin:0}.recipe{padding:22px 0}.recipe .small{color:var(--accent);margin-bottom:12px}@media(max-width:760px){.plot-panel{padding:20px 0}.control-panel{padding:24px 0;border-left:0;border-top:1px solid var(--line)}.sample-table strong{font-size:17px}.sample-table>div{padding:12px 4px 0}.motion-panel .actions{width:100%;margin-top:8px}}