:root{color-scheme:light;--bg:#edf1f0;--panel:#f8faf9;--ink:#13232a;--muted:#52676c;--line:#cad5d5;--accent:#0a7680;--soft:#e0eeeb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,sans-serif}.wrap{max-width:1200px;margin:auto;padding:24px}nav{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}a{color:var(--accent)}nav a{padding:8px 13px;border-radius:6px;text-decoration:none;font-size:14px}nav a[aria-current]{background:var(--accent);color:var(--panel)}header{padding:42px 0 28px}h1,h2,h3{line-height:1.2}h1{font:clamp(32px,5vw,58px)/1.12 Georgia,serif;letter-spacing:-.035em;margin:15px 0}h2{font:28px/1.2 Georgia,serif;margin:10px 0 18px}h3{font-size:21px;margin:12px 0}.intro{max-width:720px;font-size:19px;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font:12px/1.6 ui-monospace,monospace;color:var(--accent)}main{display:grid;gap:22px}.panel{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.controls,.styles{display:flex;gap:8px;flex-wrap:wrap}button,summary{cursor:pointer}button{font:inherit;color:var(--accent);border:1px solid var(--line);background:var(--panel);border-radius:7px;padding:10px 16px;min-height:44px}button:hover{border-color:var(--accent)}button[aria-pressed=true],#play{background:var(--accent);color:var(--panel)}:focus-visible{outline:3px solid #bd7b1b;outline-offset:4px}.stages{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin-top:24px}.stage{text-align:left;display:flex;flex-direction:column;gap:8px;padding:16px;font-size:13px}.stage strong{font-size:16px;line-height:1.35}.number{font:12px ui-monospace,monospace;opacity:.8}.signal{height:2px;background:var(--line);margin:24px 8px;position:relative}#signal-dot{position:absolute;top:-5px;width:12px;height:12px;border-radius:100%;background:var(--accent);transition:left .4s}.detail{border-left:3px solid var(--accent);padding:12px 22px;background:var(--soft);min-height:175px}.detail p{max-width:780px}.takeaway{font-weight:600;padding-top:12px}.muted,footer{color:var(--muted);font-size:14px}.device-layout{display:grid;grid-template-columns:320px 1fr;align-items:center;gap:32px}svg{width:100%;height:auto;color:var(--ink)}svg text{fill:currentColor;font:14px system-ui}.ear{fill:#eadfd0;stroke:#807569;stroke-width:4;stroke-linecap:round}.canal{fill:none;stroke:#807569;stroke-width:14;stroke-linecap:round}#device-shape{fill:var(--accent);stroke:var(--accent);stroke-width:4}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.pill{padding:5px 12px;background:var(--soft);color:var(--accent);border-radius:20px;font-size:13px}.table-wrap{overflow:auto}table{border-collapse:collapse;text-align:left;width:100%;font-size:15px}caption{text-align:left;color:var(--muted);margin-bottom:16px}td,th{padding:16px 12px;border-bottom:1px solid var(--line);vertical-align:top}thead{background:var(--soft)}details{border-top:1px solid var(--line);padding-top:15px}summary{font-weight:600;padding:8px 0}footer{padding:24px 0}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:var(--panel);padding:12px;z-index:2}@media(max-width:650px){.wrap{padding:16px}.panel{padding:20px}.device-layout,.two-col{grid-template-columns:1fr}.device-layout{gap:0}.device-layout svg{max-width:300px;margin:auto}.section-head{align-items:start;flex-direction:column}.stages{grid-template-columns:repeat(2,minmax(0,1fr))}header{padding:28px 0 18px}nav a{padding:8px}td,th{padding:10px 8px}}@media(prefers-reduced-motion:reduce){#signal-dot{transition:none}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#0c1417;--panel:#131f23;--ink:#e1eaeb;--muted:#a0b3b8;--line:#35464c;--accent:#3cc0c9;--soft:#173237}}

.implant-map{margin:24px 0}.implant-map svg{display:block;max-width:850px;margin:auto}.implant-map figcaption{font-size:13px;color:var(--muted);margin-top:12px}@media(max-width:650px){.implant-map{overflow:auto}.implant-map svg{min-width:600px}}

main,.panel,.implant-map,.table-wrap{min-width:0} .implant-map{max-width:100%}