:root{color-scheme:light dark;--bg:#f3f1e9;--panel:#fcfbf6;--ink:#202d25;--muted:#58685c;--line:#cdd3c8;--accent:#246244;--soft:#e3ece0;--warn:#943c28;font-family:ui-serif,Georgia,serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{min-height:44px;padding:10px 16px;background:var(--accent);color:white;border:1px solid var(--accent);border-radius:5px;cursor:pointer;font:600 14px ui-sans-serif,system-ui,sans-serif}button:hover{filter:brightness(1.1)}button:disabled{opacity:.45;cursor:default}button.secondary{color:var(--ink);background:transparent;border-color:var(--line)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #bc8525;outline-offset:3px}a{color:var(--accent);text-underline-offset:4px}label{display:block;font:13px ui-sans-serif,system-ui,sans-serif;margin:16px 0 8px}input,textarea,select{display:block;width:100%;min-height:44px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:4px;padding:10px;margin-top:7px;font-size:16px}textarea{resize:vertical}h1,h2,p{margin:0}h1{font-weight:400;line-height:1.1;letter-spacing:-.045em}h2{font-size:23px;font-weight:400;letter-spacing:-.025em}p{line-height:1.6;margin:12px 0}header{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:28px}.brand{font-size:26px;font-weight:bold;letter-spacing:-1px;text-decoration:none;color:var(--ink)}.brand-dot{display:inline-block;background:var(--accent);width:8px;height:8px;border-radius:50%;margin-left:3px}.eyebrow{font:10px ui-monospace,SFMono-Regular,monospace;letter-spacing:.11em;color:var(--muted)}.device-page{max-width:600px;padding:24px;margin:auto}.device-page h1{font-size:36px}.device-page #setup{padding:26px 0}.device-page #setup>button{margin-top:12px;width:100%}.subtle{font:13px/1.6 ui-sans-serif,system-ui,sans-serif;color:var(--muted)}.identity{display:flex;gap:14px;align-items:center}.identity h1{font-size:34px}.avatar{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;width:48px;height:48px;font-size:25px;background:var(--soft)}.status{margin:20px 0;padding:13px 15px;background:var(--soft);border-left:3px solid var(--accent);font:14px/1.5 ui-sans-serif,system-ui,sans-serif}.status.removed{border-color:var(--warn)}.step{border-top:1px solid var(--line);padding:20px 0}.step-title{display:flex;align-items:center;gap:12px}.step-number{font:12px ui-monospace,monospace;color:var(--muted);border:1px solid var(--line);border-radius:50%;padding:7px}.button-row{display:flex;gap:8px;flex-wrap:wrap}summary{cursor:pointer;min-height:44px;padding:10px 0;font:14px ui-sans-serif,system-ui,sans-serif}#qr{display:block;margin:12px auto;max-width:100%;height:auto!important}#code,.fingerprint,pre{font:11px/1.6 ui-monospace,SFMono-Regular,monospace;overflow-wrap:anywhere;word-break:break-word;white-space:pre-wrap}.roster{padding:0;list-style:none;font:14px ui-sans-serif,system-ui,sans-serif}.roster li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);gap:10px}.roster small{color:var(--muted)}.messages{max-height:230px;overflow:auto}.message{border-bottom:1px solid var(--line);padding:10px 0;font:14px/1.5 ui-sans-serif,system-ui,sans-serif;overflow-wrap:anywhere}.message span{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}#send{width:100%}.notice,.errors{font:13px/1.6 ui-sans-serif,system-ui,sans-serif;color:var(--warn);overflow-wrap:anywhere}.errors{padding-left:18px}#lineage{padding-left:20px;font:13px/1.8 ui-sans-serif,system-ui,sans-serif;overflow-wrap:anywhere}footer{font:12px/1.7 ui-sans-serif,system-ui,sans-serif;color:var(--muted);padding:25px 0;border-top:1px solid var(--line)}video{max-width:100%;margin:12px 0}.lab main{max-width:1500px;margin:auto;padding:32px 40px}.lab-intro{display:grid;grid-template-columns:1.6fr 1fr;gap:90px;padding:18px 0 40px}.lab-intro h1{font-size:clamp(38px,4.4vw,66px);max-width:760px}.lab-intro>div>p{font-size:17px;color:var(--muted)}.lab-intro aside{align-self:end;font:14px/1.6 ui-sans-serif,system-ui,sans-serif;max-width:380px}.lab-intro aside>button{width:100%;margin:8px 0}.pill{border:1px solid var(--line);border-radius:20px;padding:7px 10px;font:10px ui-monospace,monospace;letter-spacing:.1em}.devices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.device-frame{border:1px solid var(--line);background:var(--panel);border-radius:9px;overflow:hidden}.frame-label{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);font:11px ui-monospace,monospace}.device-frame iframe{width:100%;height:780px;border:0;display:block}.relay{display:grid;grid-template-columns:1fr 1.5fr;gap:50px;border-top:1px solid var(--line);margin-top:35px;padding:35px 0}.relay h2{font-size:34px}.relay p{color:var(--muted);font:14px/1.6 ui-sans-serif,system-ui,sans-serif}.relay pre{padding:18px;background:var(--panel);border:1px solid var(--line);max-height:230px;overflow:auto}.relay a{font:14px ui-sans-serif,system-ui,sans-serif}[hidden]{display:none!important}@media(max-width:800px){.lab main{padding:22px 18px}.lab-intro{grid-template-columns:1fr;gap:25px}.devices{grid-template-columns:1fr}.device-frame iframe{height:700px}.relay{grid-template-columns:1fr;gap:16px}.device-page{padding:20px 16px}.eyebrow{font-size:9px}}@media(prefers-color-scheme:dark){:root{--bg:#171f1b;--panel:#1e2822;--ink:#e2e8dc;--muted:#a5b4a7;--line:#3c4b40;--accent:#77b491;--soft:#263e30;--warn:#f5aa88}button{background:#34754e;border-color:#34754e}button.secondary{background:transparent;border-color:var(--line)}}

.together-help{display:flex;flex-wrap:wrap;gap:8px 24px;margin:-12px 0 20px;font:14px/1.5 ui-sans-serif,system-ui,sans-serif}.together-help a{display:inline-flex;align-items:center;min-height:44px}

/* The device flow keeps the same field-guide palette as the explanation page. */
.device-page{padding-bottom:calc(24px + env(safe-area-inset-bottom));overflow-wrap:anywhere}.device-page header{margin-bottom:12px}.device-page .together-help{margin:0 0 20px}.device-page h3{font:600 13px/1.5 ui-sans-serif,system-ui,sans-serif;margin:24px 0 8px}.device-page h4{font:400 20px/1.25 ui-serif,Georgia,serif;margin:0}.device-page .identity{margin-top:28px}.identity>div{min-width:0}.avatar{flex:none}.journey{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;margin:0 0 28px;border-bottom:1px solid var(--line);gap:6px}.journey li{font:11px/1.5 ui-sans-serif,system-ui,sans-serif;color:var(--muted);padding:0 0 12px;border-bottom:3px solid transparent}.journey li[aria-current="step"]{color:var(--ink);border-color:var(--accent);font-weight:700}.journey span{display:block;font:12px ui-monospace,monospace;margin-bottom:7px}.device-page #setup{padding:0 0 22px}.device-page #setup .eyebrow{margin:0 0 16px}.room-share{display:flex;align-items:center;gap:16px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.room-share button{flex:none}.room-share .subtle{max-width:270px;font-size:12px}.next-step{border:1px solid var(--line);background:var(--panel);padding:20px}.next-step .eyebrow{margin:0 0 12px}.next-step h2{font-size:28px;line-height:1.15}.next-step #next-step-link{font:600 13px/1.6 ui-sans-serif,system-ui,sans-serif;display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;border-radius:0;background:transparent;color:var(--accent);text-align:left;text-decoration:underline;text-underline-offset:4px}.waiting{font:600 13px/1.6 ui-sans-serif,system-ui,sans-serif;border-top:1px solid var(--line);padding-top:12px}.connection{font-size:12px}.connection.disconnected{color:var(--warn)}.device-page .notice:not(:empty){position:sticky;top:8px;z-index:2;border:1px solid var(--warn);padding:12px;background:var(--panel);max-height:35vh;overflow:auto;box-shadow:0 3px 8px #0001}.device-page .notice:empty{display:none}#verify-stage>summary{display:flex;align-items:center;gap:12px;font:400 23px ui-serif,Georgia,serif;flex-wrap:wrap}#verify-stage>summary::after{content:'+';margin-left:auto;color:var(--muted)}#verify-stage[open]>summary::after{content:'−'}#verify-stage>summary #verification-count{font-size:11px;margin-left:auto}.roster li>span{min-width:0}.roster li>small{text-align:right;flex:0 0 auto;max-width:48%;line-height:1.5}.roster .device-id{display:block;font:11px/1.6 ui-monospace,monospace;margin-top:4px}.button-row button{flex:1 1 auto}.step{scroll-margin-top:24px}#verification-digest{background:var(--panel);border:1px solid var(--line);padding:16px;font-size:13px;line-height:1.8;letter-spacing:.03em}#verification-digest:empty{display:none}#lineage{padding-left:22px}#lineage>li{padding:12px 0 20px 5px;border-bottom:1px solid var(--line)}#lineage p{font-size:13px;margin:7px 0}#lineage .fingerprint{font-size:11px}#lineage details{margin-top:8px}#lineage summary{font-size:12px}.device-page #chat-lock-reason{margin-bottom:18px}.device-page select:focus-visible{outline:3px solid #bc8525;outline-offset:3px}@media(max-width:380px){.room-share{align-items:flex-start;flex-direction:column;gap:8px}.room-share button{width:100%}.device-page h1{font-size:32px}.next-step{padding:16px}#verify-stage>summary #verification-count{flex-basis:100%;margin:0 0 0 40px}.journey{gap:4px}.journey li{font-size:10px}}