:root{--paper:#f6f8fc;--ink:#14213b;--sub:#52617a;--line:#d5ddeb;--blue:#214bdf;--mint:#baf3d0;--white:#fff;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;font-synthesis:none}*{box-sizing:border-box}body{margin:0;line-height:1.6}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,select{min-height:46px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #e87f0d;outline-offset:4px}header{max-width:1280px;margin:auto;padding:24px 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.brand{font-weight:800;letter-spacing:-.035em;font-size:22px;text-decoration:none;color:var(--ink)}.brand span{font-weight:400;color:var(--sub)}nav{display:flex;gap:24px;font-size:15px}nav a{color:var(--ink);text-decoration:none}nav a:hover{text-decoration:underline}.shell{max-width:1280px;margin:auto;padding:34px 36px 60px}.intro{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:26px}.eyebrow{font:14px var(--mono);color:var(--blue);letter-spacing:.06em;text-transform:uppercase;margin:0 0 10px}h1{font-size:clamp(32px,4vw,48px);letter-spacing:-.055em;line-height:1.08;margin:0 0 14px}h2{font-size:26px;line-height:1.25;letter-spacing:-.025em}h3{font-size:19px;line-height:1.4}.intro p{max-width:610px;margin:0;color:var(--sub)}.local-label{white-space:nowrap;font:14px var(--mono);border:1px solid var(--line);padding:10px 14px;border-radius:6px;background:white}.workspace{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(290px,1fr);gap:24px}.mirror{background:#14213b;border-radius:12px;overflow:hidden;position:relative;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}.mirror video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transform:scaleX(-1)}.camera-empty{text-align:center;color:#cbd7ee;max-width:320px;padding:20px;z-index:1}.camera-empty strong{display:block;color:white;font-size:23px;margin-bottom:10px}.camera-symbol{width:68px;height:50px;border:2px solid #8092b3;border-radius:8px;margin:0 auto 24px;position:relative}.camera-symbol:before{content:'';position:absolute;border:2px solid #8092b3;border-radius:50%;width:20px;height:20px;left:21px;top:12px}.mirror-tag{position:absolute;top:18px;left:18px;color:#e6eefe;background:#14213bd9;border:1px solid #52617a;padding:5px 10px;border-radius:4px;font:13px var(--mono);z-index:2}.mirror-bottom{position:absolute;bottom:16px;left:16px;right:16px;color:white;background:#14213bea;padding:12px 16px;border-radius:6px;display:flex;justify-content:space-between;gap:16px;z-index:2}.timer{font:22px var(--mono)}.mirror-caption{display:flex;justify-content:space-between;gap:15px;font-size:14px;color:var(--sub);margin-top:10px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:26px;display:flex;flex-direction:column;justify-content:space-between}.step{font:14px var(--mono);color:var(--sub);margin:0 0 10px}.panel h2{margin:0 0 18px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}.field label{font-size:14px;font-weight:700}.field select{border:1px solid var(--line);padding:9px 11px;border-radius:5px;width:100%;color:var(--ink);background:white}.prompt{font-size:19px;line-height:1.45;margin:20px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.btn{background:var(--blue);color:white;border:0;border-radius:6px;padding:12px 20px;font-weight:700;width:100%}.btn.secondary{background:white;border:1px solid var(--line);color:var(--ink);margin-top:10px}.btn.mint{background:var(--mint);color:var(--ink)}.micro{font-size:14px;color:var(--sub)}.status{min-height:24px;margin:12px 0;font-size:14px;color:var(--sub)}.status.error{color:#a72026;font-weight:600}.result{margin-top:26px;padding:26px;border:1px solid var(--line);background:white;border-radius:12px}.result[hidden],[hidden]{display:none!important}.result-top{display:flex;justify-content:space-between;align-items:start;gap:20px}.result h2{margin:0}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}.stat{border-top:2px solid var(--blue);padding-top:14px}.stat strong{display:block;font:36px var(--mono);letter-spacing:-.06em;margin-bottom:8px}.stat span{display:block;font-weight:700}.stat small{display:block;font-size:14px;color:var(--sub)}canvas#timeline{width:100%;height:96px;display:block;background:var(--paper);border-radius:4px}.result-actions{display:flex;gap:12px;max-width:450px;margin-top:22px}.result-actions .btn.secondary{margin:0}.guide-section{margin-top:54px;padding-top:28px;border-top:1px solid var(--line)}.guide-heading{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.guide-card{border-top:2px solid var(--ink);padding:20px 0;color:var(--ink);text-decoration:none}.guide-card .number{font:14px var(--mono);color:var(--sub)}.guide-card h3{margin:12px 0}.guide-card p{color:var(--sub);font-size:15px;margin:0}.guide-card:hover h3{text-decoration:underline}.explain{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:42px;border-top:1px solid var(--line);padding-top:28px}.explain p{color:var(--sub)}details{border-top:1px solid var(--line);padding:14px 0}summary{cursor:pointer;font-weight:700}footer{max-width:1280px;margin:auto;padding:26px 36px;border-top:1px solid var(--line);color:var(--sub);font-size:14px;display:flex;justify-content:space-between;gap:24px}article{max-width:760px;margin:0 auto;padding:48px 28px 80px}article h1{font-size:clamp(34px,5vw,52px);margin:20px 0}article .lead{font-size:20px;color:var(--sub)}article h2{margin-top:38px}article li{margin:10px 0}article .callout{padding:24px;background:white;border-left:4px solid var(--blue);margin:30px 0}article .callout .btn{display:inline-block;width:auto;text-decoration:none}article .sources{font-size:15px;color:var(--sub)}.skip{position:absolute;top:-80px;left:20px;background:white;padding:10px;z-index:20}.skip:focus{top:10px}@media(max-width:900px){.workspace{grid-template-columns:1fr}.panel{padding:24px}.panel-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.panel .prompt{margin:8px 0 20px}.guide-grid{grid-template-columns:1fr 1fr}.intro{align-items:start;flex-direction:column;gap:14px}.mirror{aspect-ratio:4/3;max-height:580px}.explain{gap:24px}}@media(max-width:550px){header{padding:20px;align-items:start;flex-direction:column;gap:10px}nav{gap:20px}.shell{padding:28px 20px 44px}.local-label{font-size:12px}.panel-controls{display:block}.stats{grid-template-columns:1fr;gap:22px}.stat strong{font-size:30px}.guide-grid,.explain{grid-template-columns:1fr}.mirror-bottom{font-size:13px}.mirror-caption{flex-direction:column;gap:4px}.guide-heading{display:block}.result{padding:20px}.result-top{display:block}.result-actions{flex-direction:column}.camera-empty strong{font-size:20px}footer{padding:24px 20px;flex-direction:column;gap:8px}}

.panel-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.panel-controls .field{min-width:0}.status:empty{display:none}.panel .prompt{font-size:18px;margin:20px 0 14px}.panel .micro{margin:0 0 12px}@media(max-width:550px){.panel-controls{display:block}}