/* A spatial, live software diagram. Depth comes from layers, not illegible type. */
#toolbox.engineering-section { padding:64px 0 0; border:0; background:none; overflow:clip; scroll-margin-top:40px; }
.engineering-section .section-label { margin-bottom:29px; }
.engineering-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:38px; margin-bottom:31px; }
.engineering-heading h2 { font:400 clamp(31px,3.1vw,45px)/1.45 var(--sans); letter-spacing:-1.5px; margin:0; }
.engineering-heading h2>span { color:var(--accent); }
.engineering-heading>p { font:13px/1.95 var(--sans); color:var(--muted); margin:0 0 4px; }
.engineering-stage {
  --e-text:#f5edf2; --e-muted:#c5afbe; --e-dim:#ad94a4; --e-pink:#f1b0d0; --e-line:#ac80932c;
  position:relative; border-radius:9px; border:1px solid #513345; background:#1b111a; color:var(--e-text);
  box-shadow:0 22px 70px #4e1f3512; overflow:hidden; isolation:isolate;
}
.engineering-topbar { display:flex; align-items:center; justify-content:space-between; gap:25px; padding:16px 27px; border-bottom:1px solid var(--e-line); position:relative; z-index:5; background:#241823; }
.engineering-brand { display:flex; align-items:center; gap:10px; font:10px var(--b-mono); letter-spacing:.8px; color:#e7d1df; white-space:nowrap; }
.engineering-brand svg { width:23px; height:25px; fill:none; stroke:#eeb3cf; stroke-width:1.4; }
.engineering-views { display:flex; gap:4px; align-items:center; }
.engineering-views button { font:12px var(--sans); color:#cbb5c4; min-height:42px; padding:8px 17px; border-radius:5px; border:1px solid transparent; transition:background .2s,color .2s,border-color .2s; }
.engineering-views button[aria-pressed="true"] { background:#efbad516; color:#ffe2f1; border-color:#dca8c142; }
.engineering-views button:hover { color:#fff2fa; background:#f1c5df0d; }
.engineering-edition { font:9px var(--b-mono); letter-spacing:.4px; color:var(--e-dim); }
.engineering-map {
  position:relative; height:639px; isolation:isolate; overflow:hidden;
  background:radial-gradient(ellipse at 55% 56%,#7a35502b,transparent 64%),linear-gradient(148deg,#181119,#261622 74%,#331c2c);
}
.engineering-map::before { content:""; position:absolute; inset:0; pointer-events:none; background:radial-gradient(ellipse at 53% 90%,#da619b10,transparent 65%); z-index:-1; }
.engineering-map-note { position:absolute; inset:23px 29px auto; display:flex; align-items:center; justify-content:space-between; color:#b496a9; font:9px var(--b-mono); letter-spacing:.5px; z-index:4; pointer-events:none; }
.engineering-connections { position:absolute; inset:0; width:100%; height:100%; z-index:2; overflow:visible; pointer-events:none; }
.connection-base { fill:none; stroke:#b48aa45e; stroke-width:1.5; }
.connection-route { fill:none; stroke:#ffc8e6; stroke-width:2; stroke-dasharray:5 7; opacity:0; transition:opacity .2s; }
.connection-group.is-relevant .connection-base { stroke:#c595ad80; }
.connection-group.is-traversing .connection-route { opacity:1; }
.connection-group.is-traversing .connection-base { stroke:#f1a5ce; filter:drop-shadow(0 0 6px #f28db855); }
.connection-group.is-complete .connection-base { stroke:#d59ab768; }
.connection-port { fill:#6b465f; stroke:#d7a1bd; stroke-width:1.2; }
.connection-group.is-traversing .connection-port { fill:#ffe1f2; stroke:#fdb9db; }
.connection-label { fill:#c5a6b9; font:9px var(--b-mono); letter-spacing:.2px; paint-order:stroke; stroke:#251722; stroke-width:7px; stroke-linejoin:round; }
.system-world {
  position:absolute; inset:0 29px; height:639px; transform-style:preserve-3d;
  transform:perspective(2000px) rotateX(3deg) rotateY(-2deg); transition:transform .8s var(--ease); z-index:3; pointer-events:none;
}
.engineering-stage[data-focus="backend"] .system-world { transform:perspective(2000px) rotateX(2deg) rotateY(0deg); }
.engineering-stage[data-focus="agent"] .system-world { transform:perspective(2000px) rotateX(3deg) rotateY(-3deg); }
.engineering-stage[data-focus="frontend"] .system-world { transform:perspective(2000px) rotateX(2deg) rotateY(3deg); }
.engineering-floor { position:absolute; inset:60px 0 24px; transform:translateZ(-35px); border:1px solid #bd8ca31c; background:radial-gradient(#d3a7c32c .7px,transparent .9px); background-size:23px 23px; mask-image:radial-gradient(ellipse at center,black 30%,transparent 77%); pointer-events:none; }
.engineering-node {
  position:absolute; border:1px solid #cba3ba54; border-radius:8px; background:linear-gradient(137deg,#382a37,#291f2c 70%);
  box-shadow:0 1px 0 #f7d0e51a inset,0 6px 0 #160d18,0 7px 0 #79516b66,0 20px 0 -6px #160d182e,0 28px 45px #09050b66;
  transform:translateZ(14px); transition:transform .5s var(--ease),border-color .3s,box-shadow .3s; pointer-events:auto; overflow:hidden; min-width:0; backface-visibility:hidden;
}
.engineering-node:hover { transform:translateZ(24px); border-color:#d4a4c08c; }
.engineering-node.is-focused,.engineering-node.is-active { transform:translateZ(28px); border-color:#f1b4d5c9; box-shadow:0 1px 0 #f7cee43b inset,0 6px 0 #1f1120,0 7px 0 #b2769788,0 32px 45px #08030c77,0 0 45px #d67da02b; }
.engineering-node.is-active { background:linear-gradient(137deg,#543348,#332136 74%); }
.engineering-node.is-visited { border-color:#dca3c483; }
.engineering-node.is-context { border-color:#ab809b43; }
.node-frontend { left:1.4%; top:203px; width:26%; }
.node-backend { left:35%; top:71px; width:27%; }
.node-agent { left:68.8%; top:233px; width:29.4%; }
.node-model { left:72%; top:77px; width:25.5%; transform:translateZ(4px); }
.node-data { left:35.4%; top:486px; width:27%; transform:translateZ(4px); }
.node-model:hover,.node-data:hover { transform:translateZ(18px); }
.node-titlebar { display:flex; align-items:center; gap:9px; min-height:45px; width:100%; padding:10px 16px; border-bottom:1px solid #d4a8c325; text-align:left; background:#ffffff03; color:#d2bfce; font:10px/1.6 var(--b-mono); }
.node-titlebar>span:nth-child(2) { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.node-file-icon { font:17px/1 var(--b-mono); color:#f1b8d5; flex-shrink:0; min-width:20px; }
.node-open { margin-left:auto; color:#c19ab2; font:17px var(--sans); }
.node-body { padding:19px 20px 18px; }
.node-overline { display:flex; align-items:center; justify-content:space-between; gap:12px; font:8px/1.6 var(--b-mono); letter-spacing:.5px; color:#c5a9bd; }
.node-state { color:#c4a7bb; letter-spacing:.2px; }
.is-active .node-state { color:#ffd2e9; }
.node-body h3 { font:400 29px/1.15 var(--sans); letter-spacing:-1.1px; margin:14px 0 19px; color:#fff4fa; }
.node-body h3>span { display:block; color:#e7b3ce; font:12px/1.8 var(--sans); letter-spacing:.2px; margin-top:8px; }
.demo-query-label { display:block; font-size:10px; color:#c4aabe; margin-bottom:8px; }
.demo-query { display:flex; align-items:center; border:1px solid #bf96b24d; background:#1d121fb3; border-radius:5px; padding:4px 5px 4px 11px; min-height:43px; gap:7px; }
.demo-query input { width:100%; min-width:0; padding:3px 0; background:transparent; color:#eddae6; border:0; outline:0; font:11px/1.6 var(--sans); }
.demo-query:focus-within { border-color:#f5badb; box-shadow:0 0 0 2px #f5badb18; }
.demo-query button { flex-shrink:0; width:32px; height:32px; background:#e8b8d2; color:#382033; border-radius:4px; font-size:20px; }
.demo-query button:hover { background:#ffdaef; }
.node-response { display:flex; gap:7px; align-items:flex-start; font:10px/1.8 var(--sans); color:#c3aabd; margin-top:13px; min-height:18px; }
.node-response i { display:block; width:4px; height:4px; flex-shrink:0; margin-top:7px; border-radius:50%; background:#b191a7; }
.node-response.is-complete { color:#f2c5df; }
.node-response.is-complete i { background:#ffc1e2; box-shadow:0 0 10px #efa6cb88; }
.node-stack { display:flex; align-items:center; gap:9px; min-height:43px; padding:10px 19px; border-top:1px solid #c79ab22b; color:#e0cbd9; font:10px/1.6 var(--b-mono); background:#150e1933; white-space:nowrap; }
.node-stack svg,.node-stack img { width:17px; height:17px; object-fit:contain; }
.node-stack img { filter:grayscale(.4); }
.vue-symbol { color:#b4d9c7; }
.node-stack>i { width:2px; height:2px; background:#c39ab2; border-radius:50%; }
.node-corner { margin-left:auto; font-size:8px; letter-spacing:.5px; color:#c19cb4; }
.endpoint { display:flex; align-items:center; gap:9px; margin-top:16px; }
.endpoint>span { font:9px/1 var(--b-mono); padding:6px 7px; border:1px solid #d18aaf63; border-radius:3px; color:#fac4e0; background:#ba558a20; }
.endpoint>code { font:15px var(--b-mono); color:#f5e4ef; letter-spacing:-.35px; }
.node-code { margin:16px 0 0; overflow:visible; font:10px/1.95 var(--b-mono); color:#e0d0dc; white-space:pre; letter-spacing:-.1px; }
.code-annotation { color:#ffc1df; }
.code-key { color:#f2b5dc; }
.code-muted { color:#bca4b7; }
.service-layers { display:flex; align-items:center; justify-content:space-between; gap:6px; margin-top:16px; color:#cfb0c6; font:8px/1.7 var(--b-mono); }
.service-layers b { font-weight:400; color:#ce8caf; }
.agent-symbol { width:21px; height:21px; fill:#3b2638; stroke:#f4bdda; stroke-width:1.3; flex-shrink:0; }
.agent-graph { position:relative; display:flex; align-items:flex-start; justify-content:space-between; gap:10px; margin-top:5px; padding-block:0 19px; }
.agent-graph>svg { position:absolute; inset:0; width:100%; height:100%; fill:none; stroke:#ba8aa78c; stroke-width:1; }
.graph-step { display:block; z-index:1; text-align:center; min-width:67px; padding:10px 8px; border:1px solid #c293b254; border-radius:5px; background:#2a1d2d; color:#eddfe9; font:11px var(--b-mono); transition:color .2s,background .2s,border-color .2s; }
.graph-step:nth-of-type(2) { margin-top:22px; }
.graph-step small { display:block; margin-top:6px; color:#c5a8bd; font:8px var(--sans); white-space:nowrap; }
.graph-step.is-active { border-color:#fac1e0; background:#784862; color:#fff3fb; box-shadow:0 0 20px #e390b33b; }
.graph-step.is-active small { color:#ffd9ed; }
.agent-capabilities { display:flex; align-items:center; justify-content:space-between; gap:5px; font:9px/1.5 var(--b-mono); color:#c7a5bd; }
.graph-mark { font:20px/1 var(--sans); color:#f0bfda; }
.compact-node-button { display:flex; align-items:center; gap:15px; width:100%; min-height:112px; padding:21px; text-align:left; color:#e0cbd9; }
.compact-node-button>svg { width:29px; height:32px; fill:none; stroke:#e3b0cf; stroke-width:1.4; flex-shrink:0; }
.compact-overline { display:block; font:8px/1.6 var(--b-mono); letter-spacing:.5px; color:#c3a3b9; }
.compact-node-button strong { display:block; font:400 15px/1.4 var(--sans); letter-spacing:-.3px; margin-top:7px; color:#faeaf4; white-space:nowrap; }
.compact-node-button strong i { font-style:normal; color:#c69ab7; margin-inline:5px; }
.compact-node-button small { display:block; font:10px/1.8 var(--sans); color:#caa9bf; margin-top:6px; }
.model-mark { font:40px/1 var(--sans); color:#f1b9d6; }
.system-plane-label { display:none; }
.engineering-playbar { position:relative; z-index:5; display:flex; align-items:center; justify-content:space-between; gap:25px; padding:18px 27px; border-top:1px solid var(--e-line); background:#211520; }
.engineering-trace { display:flex; align-items:center; gap:11px; font:12px/1.8 var(--sans); color:#d4b9cd; }
.trace-dot { height:5px; width:5px; flex-shrink:0; border-radius:50%; background:#c8a0ba; }
[data-motion-state="playing"] .trace-dot { background:#ffd0e8; box-shadow:0 0 15px #ff9ed399; }
.engineering-play-actions { display:flex; align-items:center; gap:8px; }
.engineering-play-actions button { min-height:46px; display:flex; align-items:center; justify-content:center; border:1px solid #bb8ca649; border-radius:5px; font:12px var(--sans); transition:background .2s; }
#engine-pause { width:44px; color:#f2d1e4; background:#3b2537; }
#engine-run { min-width:178px; padding:11px 17px; justify-content:space-between; gap:22px; color:#382033; background:#f0c1db; border-color:#f0c1db; }
#engine-run>span:last-child { font-size:20px; }
#engine-run:hover { background:#ffdaef; }
.engineering-play-actions button:disabled,.demo-query button:disabled { opacity:.5; cursor:default; }
.engineering-footnote { padding:0 27px 17px; display:flex; align-items:center; justify-content:space-between; gap:20px; color:#bfa0b5; font:10px/1.8 var(--sans); background:#211520; }
.engineering-detail { display:grid; grid-template-columns:1.05fr 1.1fr auto; align-items:center; gap:36px; padding:31px 0 29px; border-bottom:1px solid var(--line); }
.engineering-detail>div>span { font:9px var(--b-mono); letter-spacing:.5px; color:var(--muted); }
.engineering-detail h3 { font:400 20px/1.6 var(--sans); letter-spacing:-.3px; margin:9px 0 0; color:var(--ink); }
.engineering-detail>p { font:13px/1.95 var(--sans); color:var(--muted); margin:0; }
.engineering-detail>a { display:flex; align-items:center; gap:23px; min-height:44px; font:12px var(--sans); color:var(--accent); white-space:nowrap; }
.engineering-detail>a:hover { text-decoration:underline; text-underline-offset:7px; }
.engineering-practices { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:42px; padding:30px 0; }
.engineering-practices>div>span { font:9px var(--b-mono); letter-spacing:.3px; color:var(--muted); }
.engineering-practices h3 { font:400 25px/1.5 var(--sans); letter-spacing:-.8px; color:var(--ink); margin:11px 0 13px; }
.engineering-practices p { font:12px/2.05 var(--sans); color:var(--muted); margin:0; }
.engineering-foundation { display:flex; align-items:center; justify-content:space-between; gap:25px; padding:18px 0 25px; border-block:1px solid var(--line); color:var(--muted); }
.engineering-foundation>span { font:9px var(--b-mono); letter-spacing:.5px; }
.engineering-foundation>p { font:12px/1.9 var(--sans); margin:0; }
.engineering-foundation i { font-style:normal; color:var(--line); margin-inline:11px; }
.engineering-static-note { font:13px/1.8 var(--sans); color:var(--muted); padding-top:18px; }
.engineering-stage button:focus-visible { outline:2px solid #f4b7d7; outline-offset:-4px; }
.engineering-views button:focus-visible,.engineering-play-actions button:focus-visible,.demo-query button:focus-visible { outline-offset:3px; }
.engineering-detail a:focus-visible { outline:2px solid var(--accent); outline-offset:4px; }
@media(max-width:1150px) and (min-width:901px) {
  .engineering-edition { display:none; }
  .system-world { inset-inline:16px; }
  .node-body { padding-inline:15px; }
  .node-body h3 { font-size:26px; }
  .node-titlebar { padding-inline:13px; font-size:9px; }
  .node-stack { padding-inline:14px; font-size:9px; gap:7px; }
  .node-corner { display:none; }
  .node-code { font-size:9px; }
  .compact-node-button { padding-inline:14px; gap:10px; }
  .compact-node-button strong { font-size:12px; }
  .compact-overline { font-size:7px; }
  .compact-node-button small { font-size:9px; }
  .graph-step { min-width:53px; padding-inline:6px; font-size:10px; }
  .graph-step small,.agent-capabilities { font-size:7px; }
}
@media(max-width:900px) {
  .engineering-heading { align-items:flex-start; }
  .engineering-heading h2 { font-size:33px; }
  .engineering-heading>p { font-size:12px; }
  .engineering-topbar { flex-wrap:wrap; gap:12px; padding:16px 22px; }
  .engineering-brand { font-size:9px; }
  .engineering-edition { display:none; }
  .engineering-views { margin-left:auto; }
  .engineering-views button { padding-inline:11px; font-size:11px; }
  .engineering-map { height:950px; }
  .system-world { inset-inline:20px; height:950px; transform:perspective(2000px) rotateX(2deg) rotateY(-2deg)!important; }
  .node-frontend { left:1%; top:102px; width:44%; }
  .node-backend { left:52%; top:77px; width:47%; }
  .node-agent { left:1%; top:508px; width:51%; }
  .node-model { left:60%; top:520px; width:39%; }
  .node-model .compact-node-button { min-height:76px; padding-block:14px; }
  .node-model .compact-node-button small { display:none; }
  .node-data { left:60%; top:733px; width:39%; }
  .node-body { padding-inline:16px; }
  .node-titlebar { padding-inline:14px; font-size:9px; }
  .node-body h3 { font-size:26px; }
  .node-code { font-size:9px; }
  .node-stack { padding-inline:15px; font-size:9px; gap:7px; }
  .node-corner { display:none; }
  .compact-node-button { padding-inline:16px; gap:12px; }
  .compact-node-button strong { font-size:13px; }
  .compact-overline { font-size:7px; }
  .graph-step { min-width:55px; font-size:10px; padding-inline:5px; }
  .graph-step small,.agent-capabilities { font-size:8px; }
  .system-plane-label { left:4%; bottom:37px; font-size:7px; }
  .engineering-map-note { font-size:8px; inset-inline:23px; }
  .engineering-map-note>span:last-child { display:none; }
  .connection-label { display:none; }
  .engineering-trace { font-size:11px; }
  .engineering-footnote { font-size:9px; }
  .engineering-footnote>span:first-child { display:none; }
  .engineering-detail { grid-template-columns:1fr 1fr; gap:16px 30px; }
  .engineering-detail>a { grid-column:2; }
  .engineering-practices { gap:25px; }
  .engineering-practices h3 { font-size:23px; }
  .engineering-practices p { font-size:11px; }
}
@media(max-width:660px) {
  #toolbox.engineering-section { padding-top:60px; }
  .engineering-heading { display:block; margin-bottom:26px; }
  .engineering-heading h2 { font-size:31px; letter-spacing:-1.1px; }
  .engineering-heading>p { margin-top:16px; font-size:12px; }
  .engineering-topbar { display:block; padding:18px 18px 14px; }
  .engineering-brand { font-size:9px; letter-spacing:.6px; }
  .engineering-views { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:2px; margin-top:15px; }
  .engineering-views button { padding-inline:3px; font-size:10px; min-height:44px; }
  .engineering-map { height:auto; min-height:1240px; overflow:hidden; }
  .engineering-map-note { inset:20px 23px auto; font-size:8px; }
  .system-world { position:relative; inset:auto; width:100%; height:auto; min-height:1240px; display:grid; grid-template-columns:1fr; gap:33px; padding:57px 23px 39px; transform:none!important; transform-style:flat; pointer-events:none; }
  .engineering-floor { inset:15px -45px 0; opacity:.35; transform:none; }
  .engineering-node,.engineering-node:hover,.engineering-node.is-focused,.engineering-node.is-active { position:relative; inset:auto; width:100%; transform:none; min-height:0; z-index:3; box-shadow:0 1px 0 #e5b9d51a inset,0 5px 0 #100b1299,0 14px 28px #08050c44; }
  .node-frontend { grid-row:1; }
  .node-backend { grid-row:2; }
  .node-agent { grid-row:3; }
  .node-model { grid-row:4; }
  .node-data { grid-row:5; }
  .node-titlebar { font-size:9px; min-height:43px; padding-inline:15px; }
  .node-body { padding:15px 16px; }
  .node-body h3 { font-size:27px; margin-top:12px; margin-bottom:15px; }
  .node-body h3>span { font-size:12px; }
  .node-overline { font-size:8px; }
  .demo-query-label { font-size:10px; }
  .demo-query { min-height:44px; }
  .demo-query input { font-size:11px; }
  .demo-query button { width:34px; height:34px; }
  .node-response { font-size:10px; line-height:1.9; margin-top:11px; }
  .node-stack { min-height:39px; padding:9px 16px; font-size:10px; }
  .node-code { font-size:10px; line-height:1.85; margin-top:14px; }
  .service-layers { font-size:8px; margin-top:13px; }
  .endpoint>code { font-size:14px; }
  .endpoint>span { font-size:9px; }
  .agent-graph { max-width:290px; margin-top:16px; }
  .graph-step { min-width:64px; font-size:10px; }
  .graph-step small,.agent-capabilities { font-size:8px; }
  .node-model .compact-node-button,.node-data .compact-node-button { padding:17px 18px; min-height:91px; gap:16px; }
  .node-model .compact-node-button small { display:block; font-size:10px; }
  .compact-node-button strong { font-size:15px; }
  .compact-overline { font-size:8px; }
  .compact-node-button small { font-size:10px; }
  .system-plane-label { display:none; }
  .engineering-playbar { flex-direction:column; align-items:stretch; gap:14px; padding:18px 19px 14px; }
  .engineering-trace { font-size:11px; min-height:39px; align-items:flex-start; }
  .trace-dot { margin-top:7px; }
  .engineering-play-actions { justify-content:space-between; }
  .engineering-play-actions #engine-pause { width:44px; }
  .engineering-play-actions #engine-run { min-width:205px; font-size:12px; }
  .engineering-footnote { display:block; padding:0 20px 18px; font-size:9px; line-height:1.8; }
  .engineering-detail { display:block; padding-block:25px; }
  .engineering-detail h3 { font-size:22px; margin-top:9px; }
  .engineering-detail>p { font-size:13px; margin:15px 0 9px; }
  .engineering-detail>a { font-size:12px; gap:29px; }
  .engineering-practices { grid-template-columns:1fr; gap:26px; padding-block:27px 30px; }
  .engineering-practices>div { display:grid; grid-template-columns:116px minmax(0,1fr); gap:0 18px; }
  .engineering-practices>div>span { grid-column:1; font-size:7px; line-height:1.8; }
  .engineering-practices h3 { grid-column:1; grid-row:2; align-self:start; font-size:20px; margin:8px 0 0; letter-spacing:-.7px; }
  .engineering-practices p { grid-column:2; grid-row:1/3; font-size:11px; line-height:2; }
  .engineering-foundation { align-items:flex-start; flex-direction:column; gap:12px; padding-block:18px 23px; }
  .engineering-foundation>p { font-size:11px; line-height:2; }
  .engineering-foundation i { margin-inline:7px; }
  .connection-label { display:none; }
  .connection-base { stroke-width:1.5; }
  .connection-route { stroke-width:2; }
}
@media(max-width:360px) {
  .engineering-heading h2 { font-size:28px; }
  .engineering-views button { font-size:9px; }
  .system-world { padding-inline:17px; }
  .node-titlebar { font-size:8px; }
  .node-code { font-size:9px; }
  .node-body h3 { font-size:25px; }
  .node-stack { font-size:9px; gap:7px; }
  .compact-node-button strong { font-size:13px; }
  .engineering-practices>div { grid-template-columns:101px minmax(0,1fr); gap:0 12px; }
  .engineering-practices h3 { font-size:18px; }
  .engineering-practices p { font-size:10px; }
  .engineering-play-actions #engine-run { min-width:190px; }
}
@media(prefers-reduced-motion:reduce) { .engineering-stage * { transition:none!important; } }
[data-motion="reduced"] .engineering-stage * { transition:none!important; }