:root{color-scheme:dark;--bg:#101417;--surface:#191f23;--line:#303a40;--text:#f0f4f5;--muted:#abb8bf;--accent:#b7f569;--ink:#182109;font-family:Inter,Arial,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100svh;display:flex;flex-direction:column}header,footer{display:flex;align-items:center;justify-content:space-between;width:min(1100px,100%);margin:auto;padding:30px 36px}header{border-bottom:1px solid var(--line)}a{color:var(--accent);text-underline-offset:4px}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:750;color:var(--text);text-decoration:none}.mark{display:grid;place-items:center;width:34px;height:34px;background:var(--accent);color:var(--ink);border-radius:9px;font-size:24px}.header-note,footer{font-size:.875rem;color:var(--muted)}main{width:min(1100px,100%);padding:66px 36px;flex:1;margin:0 auto}.login-panel{max-width:410px;margin:6vh auto 8vh}.eyebrow{font-size:.75rem;letter-spacing:.13em;font-weight:700;color:var(--accent);margin-bottom:20px}h1{font-size:clamp(2rem,5vw,2.7rem);line-height:1.1;letter-spacing:-.04em;margin:0 0 18px}h2{font-size:1.7rem;letter-spacing:-.03em;margin:0 0 12px}h3{font-size:1.2rem;margin:0 0 24px}.intro{font-size:1rem;color:var(--muted);line-height:1.65;margin:0 0 32px}label{display:block;font-size:.875rem;margin-bottom:10px}input{width:100%;padding:18px 22px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font:600 2rem/1.2 monospace;letter-spacing:.6em;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #b7f56920}button{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;padding:18px 20px;border:0;border-radius:11px;background:var(--accent);color:var(--ink);font:650 1rem/1.3 Arial,sans-serif;min-height:56px;transition:filter .15s}button:hover{filter:brightness(1.08)}button:focus-visible,a:focus-visible{outline:3px solid #fff;outline-offset:5px}button:disabled{opacity:.65;cursor:wait}#login-button{margin-top:16px}.message{font-size:.875rem;min-height:1.4em;line-height:1.5;margin:14px 0}.error{color:#ffaea8}.footnote{font-size:.875rem;color:var(--muted);line-height:1.65}.portal-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.quiet{width:auto;background:transparent;color:var(--muted);border:1px solid var(--line);font-size:.875rem;min-height:40px;padding:12px 18px}.device-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:12px}.device-card{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.card-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:42px}.platform{font-size:.875rem;color:var(--muted)}.badge{font-family:monospace;font-size:.875rem;padding:6px 10px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}.device-card p{color:var(--muted);line-height:1.6;margin:0 0 28px}.instructions{border-top:1px solid var(--line);margin-top:54px;padding-top:40px}.instructions>.eyebrow{margin-bottom:12px}.instruction-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:50px;margin-top:36px}h3 span{display:block;font-weight:400;font-size:.875rem;color:var(--muted);margin-top:8px}ol{padding:0;list-style:none;counter-reset:step}li{counter-increment:step;position:relative;padding-left:42px;margin-bottom:22px;line-height:1.65}li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:3px;font-family:monospace;font-size:.875rem;color:var(--accent)}code{font-size:.875em;overflow-wrap:anywhere}footer{border-top:1px solid var(--line);margin-top:auto;gap:15px;flex-wrap:wrap}[hidden]{display:none!important}@media(max-width:650px){header,footer{padding:24px}main{padding:46px 24px}.login-panel{margin:5vh auto}.device-grid,.instruction-grid{grid-template-columns:1fr;gap:18px}.device-card{padding:24px}.card-top{margin-bottom:28px}.portal-heading{display:block}.quiet{margin:-10px 0 26px}.instruction-grid{gap:26px}.header-note{font-size:.75rem}.instructions{margin-top:38px}}