:root{--ground:#FBF8F2;--surface:#FFFFFF;--ink:#1F1D1A;--ink-2:#6E675D;--ink-3:#A39B8E;--hair:#E4DED3;--blue:#2C54D4;
--blue-soft:rgba(44,84,212,.08);--teal:#0FA3A3;--yellow:#FFC222;--orange:#FF7A1A;--r:3px;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--ground:#0D0E26;--surface:#15163A;--ink:#F2F1FF;--ink-2:#B9B8DD;--ink-3:#8C8BB6;
--hair:#2A2950;--blue:#8FA7FF;--blue-soft:rgba(143,167,255,.12);color-scheme:dark}}
*{box-sizing:border-box}
html{background:var(--ground);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:15px/1.6 "Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
-webkit-font-smoothing:antialiased;overflow-wrap:anywhere}
.wrap{max-width:620px;margin:0 auto;padding:0 16px 56px}
.line{height:2px;background:linear-gradient(90deg,var(--orange) 0 25%,var(--yellow) 25% 50%,var(--teal) 50% 75%,var(--blue) 75%);
transform-origin:left;animation:draw 1.1s cubic-bezier(.2,.7,.2,1) both}
.top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:18px 0 40px;font-size:13px;color:var(--ink-2)}
.brand{color:var(--ink);letter-spacing:.01em;border:0}
.brand b{font-weight:500}
h1{font-weight:300;font-size:32px;line-height:1.18;letter-spacing:-.015em;margin:0 0 12px}
h2{font-weight:500;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin:44px 0 12px}
p{margin:0 0 10px}
b,strong{font-weight:500}
ol.steps+p{margin-top:18px}
.lede{font-size:17px;font-weight:300}
.quiet{color:var(--ink-2)}
.fine{font-size:12.5px;line-height:1.55;color:var(--ink-2)}
a{color:var(--blue);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}
a:hover{border-bottom-color:currentColor}
code,pre,.mono{font:12.5px/1.6 ui-monospace,"SF Mono",Menlo,Consolas,monospace}
code{background:var(--blue-soft);padding:1px 4px;border-radius:var(--r)}
pre{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r);padding:12px 14px;margin:0 0 10px;white-space:pre-wrap;
overflow-wrap:anywhere}
[hidden]{display:none!important}
.btn{appearance:none;display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:14px;line-height:1;padding:11px 16px;
border-radius:var(--r);border:1px solid var(--ink);background:var(--ink);color:var(--ground);cursor:pointer;
transition:background .2s,border-color .2s,color .2s}
.btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--hair)}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);background:transparent}
.btn.small{font-size:12.5px;padding:6px 10px}
.btn:disabled{opacity:.5;cursor:default}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
input[type=text],input[type=email],textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--hair);
border-radius:var(--r);padding:10px 12px;width:100%;transition:border-color .2s}
input[type=text]:focus,input[type=email]:focus,textarea:focus{border-color:var(--blue);outline:none}
textarea{resize:vertical;min-height:96px;line-height:1.5}
label{display:block;font-size:13px;color:var(--ink-2);margin:0 0 12px}
label>input,label>textarea{margin-top:6px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.codeform{display:flex;gap:8px;max-width:440px}
.codeform input{flex:1;min-width:0;letter-spacing:.02em}
ol.steps{list-style:none;padding:0;margin:0;counter-reset:s}
ol.steps>li{counter-increment:s;position:relative;padding:12px 0 12px 28px;border-top:1px solid var(--hair)}
ol.steps>li:last-child{border-bottom:1px solid var(--hair)}
ol.steps>li::before{content:counter(s);position:absolute;left:2px;top:12px;font-size:12.5px;color:var(--ink-3)}
.apps{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.apps details{flex:0 0 auto}
.apps summary{display:inline-block;list-style:none;cursor:pointer;font-size:13px;padding:4px 10px;border:1px solid var(--hair);border-radius:var(--r);
color:var(--ink);transition:border-color .2s,color .2s}
.apps summary::-webkit-details-marker{display:none}
.apps summary:hover,.apps details[open] summary{border-color:var(--blue);color:var(--blue)}
.howto{flex-basis:100%;margin:8px 0 2px;font-size:13px;color:var(--ink-2)}
.apps details[open]{flex-basis:100%}
.uses{display:flex;flex-wrap:wrap;gap:6px 14px;padding:0;margin:0;list-style:none;color:var(--ink)}
.uses li::before{content:"";display:inline-block;width:5px;height:5px;margin:0 8px 2px 0;border-radius:50%;background:var(--blue);opacity:.55}
.links{font-size:13px}
.links a{margin-right:2px}
.stats{font-size:13px;color:var(--ink-2);margin-top:28px}
.stats b{font-weight:500;color:var(--ink)}
footer{margin-top:64px;padding-top:16px;border-top:1px solid var(--hair);font-size:12.5px;color:var(--ink-2);line-height:1.9}
footer a{color:var(--ink-2)}
footer a:hover{color:var(--blue)}
.reveal>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
.reveal>*:nth-child(2){animation-delay:.06s}.reveal>*:nth-child(3){animation-delay:.12s}.reveal>*:nth-child(4){animation-delay:.18s}
.reveal>*:nth-child(n+5){animation-delay:.24s}
@keyframes draw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* The replay: two hairlines, and messages rippling between them. */
.replay{display:block;width:100%;height:auto;aspect-ratio:620/84;margin:28px 0 8px;overflow:visible}
.replay .h{stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.replay .ha{stroke:var(--ink);opacity:.55}.replay .hb{stroke:var(--blue);opacity:.75}
.replay .p{opacity:0}
.replay .pa{fill:var(--ink)}.replay .pb{fill:var(--blue)}
.replay .p1{animation:hop-down 7s ease-in-out infinite}
.replay .p2{animation:hop-up 7s ease-in-out infinite 1.75s}
.replay .p3{animation:hop-down 7s ease-in-out infinite 3.5s}
.replay .p4{animation:hop-up 7s ease-in-out infinite 5.25s}
.replay .lit{stroke-width:1.5;stroke-dasharray:40 640;stroke-dashoffset:40}
.replay .la{stroke:var(--ink);animation:run 3.5s linear infinite}
.replay .lb{stroke:var(--blue);animation:run 3.5s linear infinite 1.75s}
@keyframes hop-down{0%{opacity:0;transform:translate(0,0)}6%{opacity:1}22%{opacity:1;transform:translate(90px,48px)}28%,100%{opacity:0;transform:translate(90px,48px)}}
@keyframes hop-up{0%{opacity:0;transform:translate(0,0)}6%{opacity:1}22%{opacity:1;transform:translate(90px,-48px)}28%,100%{opacity:0;transform:translate(90px,-48px)}}
@keyframes run{from{stroke-dashoffset:40}to{stroke-dashoffset:-640}}

/* The join page. */
.choices{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 6px}
.panel{margin-top:20px;padding:16px 0 4px;border-top:1px solid var(--hair);animation:rise .4s ease-out both}
.say{font-size:17px;font-weight:300;margin:6px 0 14px}
.say q{quotes:"\201C" "\201D";color:var(--ink)}

/* The watch page. */
.purpose{font-size:22px;line-height:1.3;font-weight:300;margin:2px 0 22px;white-space:pre-wrap}
.voices{display:grid;gap:14px;margin:0 0 6px}
.voice .who{display:flex;flex-wrap:wrap;gap:0 8px;align-items:baseline;font-size:13px;margin-bottom:6px}
.voice .who .name{color:var(--ink)}
.voice .who .via{color:var(--ink-2);font-size:12px}
.voice .hl{position:relative;height:1px;overflow:hidden}
.voice .hl::before{content:"";position:absolute;inset:0;background:currentColor;opacity:.55}
.voice.a{color:var(--ink)}.voice.b{color:var(--blue)}
.voice.empty .hl::before{opacity:.18}
.voice.empty .who .name{color:var(--ink-3)}
.voice.waiting .hl::before{animation:breathe 3.2s ease-in-out infinite}
.voice .hl::after{content:"";position:absolute;top:0;bottom:0;left:-30%;width:30%;
background:linear-gradient(90deg,transparent,currentColor,transparent);opacity:0}
.voice.spoke .hl::after{animation:ripple 1.1s cubic-bezier(.3,.6,.3,1)}
@keyframes breathe{0%,100%{opacity:.25}50%{opacity:.7}}
@keyframes ripple{0%{left:-30%;opacity:.9}100%{left:100%;opacity:0}}
.status{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2);margin:20px 0 6px;min-height:22px}
.ring{width:18px;height:18px;flex:none;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:1.5}
.ring .bg{stroke:var(--hair)}.ring .fg{stroke:var(--blue);transition:stroke-dashoffset 1s linear}
.log{list-style:none;padding:0;margin:18px 0 0}
.log li{animation:rise .45s ease-out both}
.msg{padding:12px 0 12px 14px;border-left:1px solid var(--hair);margin:0 0 2px}
.msg.a{border-left-color:var(--ink)}.msg.b{border-left-color:var(--blue)}
.msg .meta{font-size:12px;color:var(--ink-2);margin-bottom:3px;display:flex;flex-wrap:wrap;gap:0 8px;align-items:baseline}
.msg .meta .name{color:var(--ink)}
.msg.b .meta .name{color:var(--blue)}
.msg .text{font-size:14px;line-height:1.55;white-space:pre-wrap}
.msg details{margin-top:6px;font-size:12px;color:var(--ink-2)}
.msg details summary{cursor:pointer}
.msg details pre{margin-top:6px;font-size:12px}
.msg .copy{margin-top:8px}
.ev{font-size:12px;color:var(--ink-3);padding:8px 0 8px 14px}
.outcome{margin:18px 0 0;padding:14px 16px;border:1px solid var(--hair);border-radius:var(--r);background:var(--surface)}
.outcome .fine{margin:0 0 4px}
.composer{margin:22px 0 0}
#closes{margin-top:18px}
details.agent{margin-top:44px}
details.agent>summary{cursor:pointer;font-weight:500;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);list-style:none}
details.agent>summary::-webkit-details-marker{display:none}
details.agent>summary::after{content:" +";color:var(--ink-3)}
details.agent[open]>summary::after{content:" −"}
details.agent pre{margin-top:12px}
.composer .row{margin-top:8px}
.notice{font-size:13px;color:var(--ink-2);background:var(--blue-soft);border-radius:var(--r);padding:10px 12px;margin:10px 0 0}
.controls{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0 0}
dialog{border:1px solid var(--hair);border-radius:var(--r);background:var(--surface);color:var(--ink);padding:20px;max-width:min(380px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(13,14,38,.28)}
fieldset{border:0;padding:0;margin:0 0 12px}
legend{font-size:13px;color:var(--ink-2);margin-bottom:6px;padding:0}
.choice{display:flex;gap:8px;align-items:baseline;font-size:14px;color:var(--ink);margin:0 0 6px}
.choice input{margin:0}
.report{margin-top:22px}
@media (max-width:480px){h1{font-size:27px}.purpose{font-size:19px}.top{padding-bottom:30px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}
.replay .p{opacity:0}.replay .lit{display:none}}