/* Original interactive demonstrations, opened only on request. */
:root{--rule:var(--line);--rule-strong:var(--line);--ink-2:var(--muted);--ink-3:var(--muted);--dot:#22282116;--sage-wash:#53655114;--lift:none;--ease:cubic-bezier(.2,.75,.15,1)}
.demo-layout{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1fr);gap:45px;align-items:start}.demo-layout h3{margin-bottom:20px}.demo-layout .stage{aspect-ratio:1/1.1}.ex-tabs button span{font-family:var(--mono)}.ex-outro{margin-top:20px}.ex-human{color:var(--muted)}
.stage-wrap{display:grid;gap:14px}
.stage{position:relative;width:100%;max-width:100%;aspect-ratio:1/1.02;background-color:var(--surface);background-image:radial-gradient(var(--dot) 1px,transparent 1.2px);background-size:18px 18px;border:1px solid var(--rule);border-radius:10px;overflow:hidden;box-shadow:var(--lift)}
@media (max-width:980px){.stage{aspect-ratio:5/4}}
@media (max-width:560px){.stage{aspect-ratio:4/5}}
.stage svg.wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.wires path{fill:none;stroke:var(--blue);stroke-width:1.25;opacity:0;transition:opacity .5s .35s}
.wires path.out{stroke:var(--sage)}
.stage.connected .wires path{opacity:.55}
.wires circle{fill:var(--blue);opacity:0}
.stage.connected .wires circle{opacity:1}
.node{position:absolute;left:0;top:0;transition:left .95s var(--ease),top .95s var(--ease),transform .95s var(--ease),opacity .6s;will-change:left,top,transform}
.chip{background:var(--paper);border:1px solid var(--rule-strong);border-radius:6px;padding:9px 12px;font-size:13.5px;line-height:1.3;color:var(--ink);box-shadow:0 6px 14px -10px rgba(21,23,28,.35);display:flex;gap:9px;align-items:flex-start}
.chip.task-focus{transition:left .35s var(--ease),top .35s var(--ease),transform .35s var(--ease),opacity .4s;z-index:3;border-color:var(--blue);box-shadow:0 16px 48px -18px rgba(0,0,0,.5);font-size:clamp(18px,2vw,22px);padding:18px 22px}
.chip i{flex:none;margin-top:4px;width:8px;height:8px;border-radius:2px;border:1.5px solid var(--ink-3);transition:background .4s .6s,border-color .4s .6s}
.stage.connected .chip i{background:var(--blue);border-color:var(--blue)}
.stage.connected .chip{border-color:var(--rule)}
.hub{width:96px;height:96px;border-radius:22px;background:var(--ink);color:var(--paper);display:grid;place-items:center;text-align:center;opacity:0;transform:scale(.7)}
.hub b{display:block;font-family:var(--serif);font-weight:400;font-size:18px;line-height:1.05}
.hub small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;opacity:.65;margin-top:5px}
.stage.connected .hub{opacity:1;transform:scale(1)}
.out-node{font-family:var(--mono);font-size:11.5px;letter-spacing:.01em;color:var(--ink);background:var(--sage-wash);border:1px solid color-mix(in srgb,var(--sage) 45%,transparent);border-radius:999px;padding:6px 11px 6px 9px;white-space:nowrap;display:flex;align-items:center;gap:7px;opacity:0;transform:translateX(-10px)}
.out-node::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sage)}
.stage.connected .out-node{opacity:1;transform:none;transition-delay:.55s}
.stage-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.seg{display:inline-flex;border:1px solid var(--rule-strong);border-radius:999px;padding:3px}
.seg button{border:0;background:transparent;border-radius:999px;padding:7px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);cursor:pointer;transition:background .25s,color .25s}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.stage-status{font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.stage-status b{font-weight:500;color:var(--ink)}

.ex{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.ex-tabs{display:grid;gap:2px;position:sticky;top:96px}
.ex-tabs button{text-align:left;background:transparent;border:0;border-left:2px solid var(--rule);padding:13px 16px;font-size:16px;color:var(--ink-2);cursor:pointer;transition:color .2s,border-color .2s,background .2s}
.ex-tabs button:hover{color:var(--ink)}
.ex-tabs button[aria-selected="true"]{color:var(--ink);border-left-color:var(--blue);background:var(--blue-wash)}
.ex-tabs button span{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:2px}
.ex-panel{background:var(--surface);border:1px solid var(--rule);border-radius:10px;box-shadow:var(--lift);overflow:hidden}
.ex-top{padding:clamp(22px,3vw,36px);display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--rule)}
.ex-top h3{font-family:var(--serif);font-weight:400;font-size:clamp(28px,2.8vw,38px);line-height:1.1}
.ex-before{margin-top:10px;color:var(--ink-2);max-width:40em}
.ex-before b{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-right:8px}
.replay{flex:none;display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--rule-strong);border-radius:999px;padding:8px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;color:var(--ink-2)}
.replay:hover{color:var(--ink);border-color:var(--ink)}
.flow{list-style:none;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);padding:clamp(22px,3vw,36px);gap:0}
.flow li{position:relative;padding-right:18px;transition:opacity .45s}
.flow li::before{content:"";position:absolute;top:6px;left:14px;right:0;height:1px;background:var(--rule-strong)}
.flow li:last-child::before{display:none}
.flow .dot{position:relative;display:block;width:13px;height:13px;border-radius:50%;border:1.5px solid var(--ink-3);background:var(--surface);margin-bottom:16px;transition:background .35s,border-color .35s,box-shadow .35s}
.flow .kind{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.flow .kind.ai{color:var(--blue)}
.flow .kind.human{color:var(--sage)}
.flow strong{display:block;font-weight:600;font-size:15.5px;line-height:1.3;margin:6px 0 4px}
.flow small{display:block;font-size:13.5px;line-height:1.45;color:var(--ink-2)}
.flow li.lit .dot{background:var(--blue);border-color:var(--blue);box-shadow:0 0 0 5px var(--blue-wash)}
.flow li.lit.h .dot{background:var(--sage);border-color:var(--sage);box-shadow:0 0 0 5px var(--sage-wash)}
.flow.running li:not(.lit){opacity:.38}
.log{margin:0 clamp(22px,3vw,36px);background:var(--night);color:var(--night-ink);border-radius:8px;padding:16px 18px;font-family:var(--mono);font-size:12.5px;line-height:1.75;overflow-x:auto}
.log div{white-space:pre;transition:opacity .3s}
.log time{color:var(--night-ink-2);margin-right:14px}
.log .hl{color:var(--night-blue)}
.log .hu{color:var(--night-sage)}
.log.running div:not(.on){opacity:.18}
.ex-human{display:flex;gap:12px;align-items:baseline;padding:22px clamp(22px,3vw,36px) clamp(24px,3vw,32px);color:var(--ink-2);font-size:15.5px}
.ex-human::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--sage);transform:translateY(-1px)}
.ex-outro{margin-top:28px;color:var(--ink-3);font-size:15px}
@media (max-width:1060px){.flow{grid-auto-flow:row;grid-auto-columns:auto;gap:18px}.flow li{padding:0 0 0 30px}.flow li::before{top:16px;left:6px;right:auto;bottom:-20px;width:1px;height:auto}.flow .dot{position:absolute;left:0;top:2px;margin:0}}
@media (max-width:860px){.ex{grid-template-columns:1fr}.ex-tabs{position:static;display:flex;overflow-x:auto;gap:0;padding-bottom:4px;scrollbar-width:thin}.ex-tabs button{flex:none;border-left:0;border-bottom:2px solid var(--rule);padding:10px 14px}.ex-tabs button[aria-selected="true"]{border-bottom-color:var(--blue)}.ex-top{flex-direction:column}}


.ex-tabs{position:static}.ex-panel{box-shadow:none}.ex-top h3{font-size:28px}.flow,.log{list-style:none;margin:0}.flow li::marker{content:none}.flow .dot{box-sizing:content-box}.log{background:var(--surface);color:var(--muted)}.log time{color:var(--muted)}.log .hl{color:var(--blue)}.log .hu{color:var(--sage)}.replay{flex:none}.ex-human{border-top:1px solid var(--line);background:var(--surface);color:var(--muted)}
@media(max-width:900px){.demo-layout{grid-template-columns:1fr}.ex{grid-template-columns:1fr}.ex-tabs{display:flex;overflow-x:auto;gap:0;padding-bottom:6px}.ex-tabs button{flex:none}.ex-top{flex-direction:column}.flow{grid-auto-flow:row;grid-auto-columns:auto;gap:18px}.flow li{padding:0 0 0 30px}.flow li::before{top:16px;left:6px;right:auto;bottom:-20px;width:1px;height:auto}.flow .dot{position:absolute;left:0;top:2px;margin:0}}
@media(prefers-color-scheme:dark){:root{--dot:#eeeede16}}
@media(prefers-reduced-motion:reduce){.stage-wrap{transform:none!important}}