:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--surface-2:#eef3f7;--ink:#111827;--muted:#5f6b7a;--line:#d8e0e8;--green:#2bae8c;--blue:#3b82f6;--red:#d9486e;--gold:#f7c948;--shadow:0 18px 48px #1f2a441f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}body{background:linear-gradient(180deg, #ffffffc7, #f5f7fbf5), repeating-linear-gradient(90deg, #11182709 0 1px, transparent 1px 88px), var(--bg);min-width:320px;min-height:100vh;color:var(--ink);margin:0}button,input,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:8px;min-height:44px;padding:0 18px;font-weight:750}button:disabled{cursor:not-allowed;opacity:.48}.primary{background:var(--ink);color:#fff}.secondary{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}.shell{width:min(1080px,100% - 32px);margin:0 auto;padding:28px 0}.topbar{justify-content:space-between;align-items:center;gap:24px;padding:18px 0 24px;display:flex}.brand{align-items:center;gap:16px;display:flex}.brand-mark{filter:drop-shadow(0 12px 20px #11182724);flex:none;width:64px;height:64px}.eyebrow{color:var(--muted);text-transform:uppercase;margin:0 0 4px;font-size:.78rem;font-weight:800}h1,h2,h3,p{letter-spacing:0;margin-top:0}h1{margin-bottom:8px;font-size:clamp(2rem,5vw,3.7rem);line-height:.98}h2{margin-bottom:0;font-size:1.28rem;line-height:1.2}h3{margin-bottom:8px;font-size:1rem}.intro{max-width:560px;color:var(--muted);margin-bottom:0;font-size:1.05rem;line-height:1.5}.help-button{flex:none}.status-strip{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:18px;display:grid}.metric,.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#ffffffeb}.metric{border-radius:8px;padding:12px 14px}.metric-label,.device-summary span,label span{color:var(--muted);text-transform:uppercase;font-size:.78rem;font-weight:850}.metric strong{overflow-wrap:anywhere;margin-top:4px;display:block}.workspace{grid-template-columns:repeat(2,minmax(280px,1fr));align-items:stretch;gap:18px;display:grid}.panel{border-radius:8px;padding:22px}.step-panel{align-content:start;gap:18px;display:grid}.panel-head{justify-content:space-between;align-items:start;gap:12px;display:flex}.panel-copy{color:var(--muted);margin-bottom:0;line-height:1.5}.step-number,.state-chip{white-space:nowrap;border-radius:999px;align-items:center;min-height:30px;padding:5px 10px;font-size:.78rem;font-weight:850;display:inline-flex}.step-number{color:#146b57;background:#e8f7f2;justify-content:center;min-width:30px}.state-chip{color:#5f4812;background:#fff6d6}.device-summary{background:var(--surface-2);border-radius:8px;gap:5px;padding:14px;display:grid}.device-summary strong{overflow-wrap:anywhere}.actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.action-note{color:var(--muted);flex:230px;margin:0;font-size:.92rem;font-weight:700;line-height:1.45}.send-form{gap:14px;display:grid}.form-note{color:var(--muted);margin:-4px 0 0;font-size:.92rem;font-weight:700;line-height:1.45}label{gap:7px;display:grid}input,textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:12px 13px}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3b82f629}textarea{resize:vertical;min-height:104px}.modal-backdrop{z-index:20;background:#11182775;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.instructions-dialog{background:#fff;border-radius:8px;width:min(720px,100%);max-height:min(760px,100vh - 36px);padding:22px;overflow:auto;box-shadow:0 24px 72px #11182747}.dialog-head{justify-content:space-between;align-items:start;gap:14px;margin-bottom:18px;display:flex}.instructions-list{gap:14px;display:grid}.instructions-list article{border-top:1px solid var(--line);padding-top:14px}.instructions-list p{color:var(--muted);margin-bottom:0;line-height:1.55}@media (width<=860px){.topbar{flex-direction:column;align-items:stretch}.status-strip,.workspace{grid-template-columns:1fr}.help-button{align-self:flex-start}}@media (width<=560px){.shell{width:min(100% - 20px,1080px);padding:12px 0}.brand{align-items:flex-start}.brand-mark{width:50px;height:50px}.actions,.dialog-head{flex-direction:column}button{width:100%}}