:root{color:#191a19;font-synthesis:none;--paper:#f7f5f0;--soft:#efede8;--ink:#191a19;--muted:#76736b;--line:#d7d3ca;--orange:#f28a13;--orange-deep:#9a4d00;--green:#4c982f;--red:#a53828;background:#e9e7e2;font-family:Arial,Helvetica,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 50% 0,#f7f4ee 0,#dedbd5 62%,#cfccc6 100%);min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button{-webkit-tap-highlight-color:transparent}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.page-shell{place-items:start center;min-height:100vh;padding:48px 24px;display:grid}.migration-panel{background:#f7f5f0f7;border:1px solid #ffffffd9;border-radius:34px;width:min(980px,100%);overflow:hidden;box-shadow:0 30px 80px #28221829}.panel-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:28px;padding:38px 42px 30px;display:flex}.eyebrow{color:var(--orange-deep);letter-spacing:.22em;margin:0 0 7px;font:700 13px/1.2 Cascadia Mono,Consolas,monospace}h1{letter-spacing:-.04em;margin:0;font-size:clamp(32px,5vw,50px);line-height:1.05}.lede{max-width:690px;color:var(--muted);margin:14px 0 0;font-size:16px;line-height:1.7}.header-actions{flex:none;justify-items:end;gap:10px;display:grid}.language-control{border:1px solid var(--line);color:#4f4d48;background:#ffffff73;border-radius:12px;align-items:center;gap:8px;min-height:42px;padding:0 11px;display:inline-flex}.language-control select{min-width:94px;color:var(--ink);cursor:pointer;background:0 0;border:0;outline:0;font-weight:700}.language-control select:disabled{cursor:not-allowed;opacity:.6}.support-badge{white-space:nowrap;border:1px solid var(--line);border-radius:999px;align-items:center;gap:8px;padding:10px 13px;font-size:13px;font-weight:700;display:inline-flex}.support-badge.ok{color:#356d25;background:#eff8e9;border-color:#c7dfba}.support-badge.warn{color:var(--red);background:#fff0ed;border-color:#e7bdb5}.step-strip{border-bottom:1px solid var(--line);background:#ffffff59;grid-template-columns:repeat(4,1fr);padding:18px 42px;display:grid}.step{color:#97938a;align-items:center;gap:10px;font-size:14px;font-weight:700;display:flex}.step span{border:1px solid var(--line);border-radius:50%;place-items:center;width:25px;height:25px;font:700 11px/1 monospace;display:grid}.step.active{color:var(--ink)}.step.active span{color:#fff;background:var(--orange);border-color:var(--orange)}.content-grid{grid-template-columns:1.05fr .95fr;gap:18px;padding:34px 42px;display:grid}.card{border:1px solid var(--line);background:#ffffff61;border-radius:20px;padding:26px}.card h2{letter-spacing:-.02em;margin:16px 0 9px;font-size:22px}.card p{color:var(--muted);line-height:1.65}.primary-card{background:linear-gradient(145deg,#fff5e7e6,#ffffff5c);border-color:#f0c18b}.focused-card{margin:34px 42px;padding:30px}.icon-box{width:46px;height:46px;color:var(--orange-deep);background:#fff1df;border:1px solid #f2ca9c;border-radius:14px;place-items:center;display:grid}.icon-box.success{color:#356d25;background:#eff8e9;border-color:#c7dfba}.icon-box.pulse{margin:0 auto;animation:1.5s ease-in-out infinite pulse}.device-instructions{color:#4f4d48;margin:18px 0 24px;padding-left:22px;line-height:1.8}.check-list{gap:14px;margin:18px 0;padding:0;list-style:none;display:grid}.check-list li{align-items:flex-start;gap:10px;line-height:1.45;display:flex}.check-list svg{color:var(--green);flex:none;margin-top:2px}.privacy-note{border-top:1px solid var(--line);padding-top:18px;font-size:13px}.button{border:1px solid var(--line);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:9px;min-height:48px;padding:0 18px;font-weight:700;display:inline-flex}.button:disabled{cursor:not-allowed;opacity:.45}.button.primary{color:#fff6e9;background:var(--ink);border-color:var(--ink)}.button.secondary{color:var(--ink);background:0 0}.button-row{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.notice{color:#75400d;background:#fff8ec;border:1px solid #edd1ad;border-radius:15px;align-items:flex-start;gap:14px;margin:24px 42px 0;padding:17px 18px;display:flex}.focused-card .notice{margin:24px 0 0}.notice svg{flex:none;margin-top:2px}.notice strong{color:inherit;display:block}.notice p{color:inherit;margin:4px 0 0;line-height:1.55}.notice.danger{color:#842d23;background:#fff0ed;border-color:#e6b9b2}.result-heading{align-items:center;gap:16px;display:flex}.result-heading h2{margin:0 0 4px}.result-heading p{margin:0}.summary-grid{background:var(--line);border:1px solid var(--line);border-radius:14px;grid-template-columns:repeat(2,1fr);gap:1px;margin:24px 0;display:grid;overflow:hidden}.summary-grid div{background:var(--paper);gap:7px;min-width:0;padding:16px;display:grid}.summary-grid span{color:var(--muted);font-size:12px}.summary-grid strong{overflow-wrap:anywhere;font:700 13px/1.4 Cascadia Mono,Consolas,monospace}.consent-row{border:1px solid var(--line);cursor:pointer;border-radius:14px;align-items:flex-start;gap:12px;padding:18px;line-height:1.5;display:flex}.consent-row input{width:20px;height:20px;accent-color:var(--orange);flex:none;margin:1px 0 0}.danger-action{width:100%;margin-top:16px}.progress-card{text-align:center;padding:54px 30px}.progress-card h2{margin-top:18px}.progress-track{background:#dedbd5;border-radius:99px;max-width:570px;height:8px;margin:24px auto 12px;overflow:hidden}.progress-track div{background:var(--orange);height:100%;transition:width .15s linear}.danger-copy{font-size:13px;font-weight:700;color:var(--red)!important}.complete-card{text-align:center}.completion-mark{color:#fff;background:var(--green);border-radius:50%;place-items:center;width:72px;height:72px;margin:0 auto;display:grid}.completion-mark svg{width:34px;height:34px}.complete-card .button{margin-top:8px}.next-step-card{text-align:left;background:#fff8ec;border:1px solid #efbd83;border-radius:16px;margin:26px 0 18px;padding:22px}.next-step-card h3{margin:0 0 12px;font-size:18px}.next-step-card ol{color:#4f4d48;margin:0;padding-left:22px;line-height:1.75}.next-step-card .notice{background:#fff1df;margin:18px 0 0}.advanced-details{border-top:1px solid var(--line);color:var(--muted);margin:0 42px 34px;font-size:13px}.advanced-details summary{cursor:pointer;color:#4f4d48;align-items:center;gap:8px;padding:18px 0;font-weight:700;display:flex}.advanced-details[open] summary svg{transform:rotate(180deg)}.advanced-details pre{white-space:pre-wrap;color:#e9e7e2;background:#242522;border-radius:12px;max-height:160px;padding:14px;font:11px/1.55 monospace;overflow:auto}@keyframes pulse{50%{opacity:.68;transform:scale(.93)}}@media (width<=700px){.page-shell{padding:16px 10px}.migration-panel{border-radius:28px}.panel-header{padding:26px 22px 22px;display:block}.header-actions{justify-content:space-between;align-items:center;gap:8px;margin-top:18px;display:flex}.language-control{min-width:0}.language-control select{min-width:84px}.lede{font-size:15px}.step-strip{padding:14px 20px}.step{justify-content:center;gap:6px;font-size:12px}.step span{width:22px;height:22px}.content-grid{grid-template-columns:1fr;padding:22px 18px}.card{border-radius:17px;padding:22px 18px}.focused-card{margin:22px 18px}.notice{margin:18px 18px 0;padding:15px}.focused-card .notice{margin-left:0;margin-right:0}.button-row{grid-template-columns:1fr;display:grid}.button{width:100%}.summary-grid{grid-template-columns:1fr}.next-step-card{padding:18px 16px}.advanced-details{margin:0 18px 24px}}@media (width<=350px){.page-shell{padding-inline:6px}.panel-header{padding-inline:17px}.step-strip{padding-inline:10px}.step{font-size:11px}.content-grid{padding-inline:12px}.focused-card{margin-inline:12px}}