:root{--canvas:#fff;--surface:#fff;--surface-2:#f7f5ff;--surface-3:#edfaff;--text:#111027;--muted:#625f7a;--line:#d9d4ef;--accent:#6d28d9;--cyan:#0891b2;--signal:#4f7f00;--signal-bg:#dfff8a;--danger:#b42318;--danger-bg:#fff1f0;--shadow:0 22px 62px rgb(109 40 217 / .13)}html[data-mg-theme=dark]{--canvas:#0a0a0b;--surface:#12101a;--surface-2:#191526;--surface-3:#102128;--text:#f8f7ff;--muted:#b6aed0;--line:#39304e;--accent:#a78bfa;--cyan:#22d3ee;--signal:#a3ff12;--signal-bg:#20320d;--danger:#ff8f85;--danger-bg:#341515;--shadow:0 24px 64px rgb(0 0 0 / .36)}*{box-sizing:border-box}html,body{margin:0;min-width:0;background:var(--canvas);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}body{overflow-wrap:anywhere}a{color:var(--accent);text-underline-offset:3px}button,select,textarea{font:inherit;color:inherit}button,select{min-height:44px}button{border:1px solid var(--line);border-radius:12px;padding:9px 14px;background:var(--surface);font-weight:780;cursor:pointer}button:hover:not(:disabled){background:var(--surface-2)}button:disabled{opacity:.55;cursor:default}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.reaction-shell{max-width:1260px;margin:auto;padding:0 30px}.skip{position:absolute;top:-120px;left:12px;z-index:1000}.skip:focus{top:8px;background:var(--surface);padding:12px}.reaction-header{border-bottom:1px solid var(--line)}.reaction-header-inner{min-height:76px;display:flex;align-items:center;gap:22px}.reaction-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:860;text-decoration:none}.reaction-nav{display:flex;gap:20px;margin-left:auto}.reaction-nav a,.reaction-mobile-nav a{color:var(--muted);text-decoration:none}.reaction-nav a[aria-current=page]{color:var(--text);font-weight:820}.theme-control{display:flex;align-items:center;gap:7px;font-size:12px}.theme-control select{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px}.reaction-menu{display:none}.reaction-mobile-nav{display:flex;gap:16px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.intro{display:grid;grid-template-columns:1.28fr .72fr;gap:38px;align-items:end;padding:42px 0 28px}.eyebrow{font-size:11px;font-weight:900;letter-spacing:.17em;color:var(--muted);margin:0 0 9px}.intro h1{font-size:clamp(46px,6vw,76px);line-height:.96;letter-spacing:-.06em;margin:0}.lead{font-size:19px;color:var(--muted);max-width:720px;margin:15px 0 0}.intro-note{border-left:3px solid var(--cyan);padding:4px 0 4px 17px;color:var(--muted);margin:0}.workbench{border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:var(--surface-2)}.metric{padding:16px 18px;border-right:1px solid var(--line)}.metric:last-child{border-right:0}.metric span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:850}.metric strong{display:block;font-size:25px;line-height:1.1;margin-top:5px;font-variant-numeric:tabular-nums}.pad-wrap{padding:34px}.reaction-pad{width:100%;min-height:360px;border:0;border-radius:28px;outline:0;display:grid;place-items:center;user-select:none;touch-action:manipulation;background:radial-gradient(circle at 50% 42%,color-mix(in srgb,var(--accent) 20%,var(--surface)),transparent 46%),linear-gradient(150deg,var(--surface-2),var(--surface-3));box-shadow:inset 0 0 0 2px var(--line);transition:background .12s ease,box-shadow .12s ease,transform .08s ease}.reaction-pad[data-state=waiting]{cursor:wait}.reaction-pad[data-state=ready]{cursor:pointer;background:radial-gradient(circle at 50% 42%,color-mix(in srgb,var(--signal) 24%,var(--signal-bg)),transparent 52%),var(--signal-bg);box-shadow:inset 0 0 0 3px var(--signal),0 0 46px color-mix(in srgb,var(--signal) 20%,transparent)}.reaction-pad[data-state=round_complete]{background:linear-gradient(145deg,color-mix(in srgb,var(--cyan) 12%,var(--surface)),var(--surface-2))}.reaction-pad:focus-visible{outline:4px solid var(--cyan);outline-offset:5px}.pad-core{text-align:center;padding:30px;pointer-events:none}.signal-mark{width:94px;height:94px;margin:0 auto 20px;border-radius:999px;border:3px solid var(--cyan);display:grid;place-items:center;box-shadow:0 0 0 12px color-mix(in srgb,var(--accent) 8%,transparent)}.signal-mark::after{content:"";width:28px;height:28px;border-radius:999px;background:var(--cyan)}.reaction-pad[data-state=ready] .signal-mark{border-color:var(--signal)}.reaction-pad[data-state=ready] .signal-mark::after{background:var(--signal)}.pad-label{display:block;font:900 clamp(52px,9vw,104px)/.86 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-.07em}.pad-help{display:block;color:var(--muted);font-size:15px;max-width:720px;margin:20px auto 0}.reaction-pad[data-state=ready] .pad-help{color:var(--text);font-weight:760}.status-strip{margin:0;padding:13px 19px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;min-height:48px}.workbench-actions{display:flex;gap:8px;flex-wrap:wrap;padding:0 19px 19px}.results{margin-top:24px;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:25px;box-shadow:var(--shadow);outline:0}.result-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.result-top h2{font-size:30px;margin:4px 0 0}.result-score{text-align:right}.result-score strong{font-size:clamp(58px,9vw,96px);line-height:.85;letter-spacing:-.07em;color:var(--accent);font-variant-numeric:tabular-nums}.result-score span{display:block;color:var(--muted);font-weight:820;margin-top:5px}.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:24px 0}.result-stat{padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}.result-stat span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:850}.result-stat strong{display:block;font-size:20px;margin-top:4px}.attempt-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:0 0 18px}.attempt{padding:12px;border:1px solid var(--line);border-radius:10px;text-align:center}.attempt span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase}.attempt strong{font-variant-numeric:tabular-nums}.session-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:18px}.result-actions{display:flex;gap:8px;flex-wrap:wrap}.copy-fallback{margin-top:12px}.copy-fallback label{display:block;font-size:12px;font-weight:760;margin-bottom:6px}.copy-fallback textarea{width:100%;min-height:82px;border:1px solid var(--line);border-radius:9px;background:var(--surface-2);padding:10px}.context{max-width:1040px;margin:72px auto}.context h2{font-size:34px;line-height:1.15;letter-spacing:-.035em}.context h3{font-size:20px;margin:32px 0 9px}.context p,.context li,.reaction-doc p,.reaction-doc li{font-size:16px}.context-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0}.context-card{border-top:3px solid var(--accent);padding-top:14px}.context-card h3{margin:0 0 7px}.formula{padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);font:650 14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}.worked{border-left:3px solid var(--cyan);padding:4px 0 4px 18px;margin:25px 0}.context details{border-bottom:1px solid var(--line);padding:13px 0}.context summary{font-weight:760;cursor:pointer;min-height:44px;padding-top:7px}.reaction-footer{border-top:1px solid var(--line);padding:27px 0;margin-top:34px}.reaction-footer-inner{display:flex;justify-content:space-between;gap:26px}.reaction-footer p{color:var(--muted);font-size:12px}.reaction-footer nav{display:flex;gap:16px;flex-wrap:wrap;font-size:13px}.reaction-doc{max-width:880px;margin:36px auto 70px}.reaction-doc h1{font-size:40px;line-height:1.1;letter-spacing:-.04em}.reaction-doc h2{margin-top:38px}.reaction-doc h3{margin-top:26px}.doc-cta{margin-top:40px;padding:21px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}[hidden]{display:none!important}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media(max-width:980px){.reaction-shell{padding:0 18px}.reaction-nav{display:none}.reaction-menu{display:block}.theme-control{margin-left:auto}.intro{grid-template-columns:1fr;gap:18px;padding-top:30px}.intro h1{font-size:55px}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2n){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.pad-wrap{padding:24px}.reaction-pad{min-height:310px}.result-grid{grid-template-columns:repeat(2,1fr)}.context-grid{grid-template-columns:1fr}.reaction-footer-inner{flex-direction:column}}@media(max-width:560px){.reaction-shell{padding:0 12px}.reaction-header-inner{min-height:68px;gap:8px}.reaction-brand span{font-size:14px}.theme-control label{display:none}.theme-control select{width:88px}.intro h1{font-size:42px}.lead{font-size:17px}.metrics{grid-template-columns:1fr 1fr}.metric{padding:13px}.pad-wrap{padding:16px}.reaction-pad{min-height:270px;border-radius:20px}.pad-label{font-size:58px}.signal-mark{width:78px;height:78px}.result-top{flex-direction:column}.result-score{text-align:left}.result-grid{grid-template-columns:repeat(2,1fr)}.attempt-strip{grid-template-columns:repeat(2,1fr)}.attempt:last-child{grid-column:1/-1}.result-actions button,.workbench-actions button{flex:1 1 140px}.reaction-doc h1{font-size:32px}}@media(max-width:390px){.reaction-shell{padding:0 10px}.intro h1{font-size:38px}.reaction-pad{min-height:245px}.pad-label{font-size:50px}.metric strong{font-size:22px}}@media(max-width:340px){.reaction-shell{padding:0 8px}.reaction-brand span{display:none}.theme-control select{width:82px}.metrics,.result-grid,.attempt-strip{grid-template-columns:1fr}.metric{border-right:0}.attempt:last-child{grid-column:auto}.reaction-pad{min-height:225px}.pad-label{font-size:44px}}
