/* ═══════════════════════════════════════════════════════════════
   AVC v2 — 02 framework: A · architecture (PPT S9), B · workflow (S10)
   Hover / focus / tap an agent: its tools, knowledge and links light up
   and the rest of the diagram steps back (js/framework.js).
   ═══════════════════════════════════════════════════════════════ */
#framework{
  --sec-bg:var(--bg-1); --light-at:76% 0%; --light:.075; --fw-pad:clamp(18px, 1.9vw, 26px);
  --cy:#62cbe0;
  --fw-wire:rgba(150,180,225,.42);        /* idle connector (neutral hue) */
  --fw-cy-line:rgba(98,203,224,.55);      /* --cy at 55 %: knowledge constraint */
  --fw-kgap:44px;                         /* gutter between agents and knowledge */
}
.fw-part{ margin-top:clamp(72px, 8vw, 112px); }

/* ── wire primitive: 1 px shaft, 7 × 6 px head; stretches to its box ── */
.fw-arr{ display:block; flex:none; background:currentColor; }
.fw-arr--down, .fw-arr--up, .fw-arr--both{ width:7px; height:100%; min-height:14px; }
.fw-arr--down{ clip-path:polygon(3px 0, 4px 0, 4px calc(100% - 6px), 7px calc(100% - 6px), 3.5px 100%, 0 calc(100% - 6px), 3px calc(100% - 6px)); }
.fw-arr--up{ clip-path:polygon(3.5px 0, 7px 6px, 4px 6px, 4px 100%, 3px 100%, 3px 6px, 0 6px); }
.fw-arr--both{ clip-path:polygon(3.5px 0, 7px 6px, 4px 6px, 4px calc(100% - 6px), 7px calc(100% - 6px), 3.5px 100%, 0 calc(100% - 6px), 3px calc(100% - 6px), 3px 6px, 0 6px); }
.fw-arr--right, .fw-arr--left{ height:7px; width:100%; }
.fw-arr--right{ clip-path:polygon(0 3px, calc(100% - 6px) 3px, calc(100% - 6px) 0, 100% 3.5px, calc(100% - 6px) 7px, calc(100% - 6px) 4px, 0 4px); }
.fw-arr--left{ clip-path:polygon(0 3.5px, 6px 0, 6px 3px, 100% 3px, 100% 4px, 6px 4px, 6px 7px); }

/* small sentence-case figure label (no uppercase micro-labels in diagrams) */
.fw-label{ display:flex; flex-wrap:wrap; align-items:baseline; gap:2px 10px; font-size:13.5px; line-height:1.35; font-weight:var(--fw-semi); color:var(--text); }
.fw-label em{ font-style:normal; font-size:13px; font-weight:var(--fw-regular); color:var(--dim); }

/* ═══ A · architecture ═══════════════════════════════════════════ */
.arch{ margin:0; }
.arch-grid{ display:grid; grid-template-columns:minmax(0,1fr) var(--fw-kgap) minmax(268px, 300px);
  grid-template-rows:auto 56px auto 56px auto; }

/* orchestrator band — the one accent surface of the diagram */
.arch-orch{ grid-column:1 / -1; grid-row:1; display:flex; align-items:center; justify-content:space-between; gap:16px 36px; padding:18px 26px 18px 20px; }
.ao-id{ display:flex; align-items:center; gap:14px; flex:none; }
.ao-ic{ display:grid; place-items:center; width:44px; height:44px; flex:none; border-radius:var(--r-md); color:var(--acc-hi);
  background:linear-gradient(180deg, rgba(30,144,255,.20), rgba(30,144,255,.08)); box-shadow:inset 0 0 0 1px rgba(110,172,255,.42), inset 0 1px 0 rgba(255,255,255,.08); }
.ao-name{ font-size:var(--fs-h3); line-height:1.25; letter-spacing:var(--ls-h3); font-weight:var(--fw-semi); color:var(--text); }
.ao-role{ margin-top:2px; font-size:13px; line-height:1.4; color:var(--body); }
.ao-duties{ display:flex; flex-wrap:wrap; justify-content:flex-end; row-gap:6px; }
.ao-duties li{ padding:1px 18px; font-size:13.5px; line-height:1.4; font-weight:var(--fw-medium); color:var(--text); border-left:1px solid rgba(170,198,240,.22); white-space:nowrap; }
.ao-duties li:first-child{ border-left:0; padding-left:0; }
.ao-duties li:last-child{ padding-right:0; }

/* tier links: two arrows with their labels, card edge to card edge */
.arch-link{ grid-column:1; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; column-gap:12px; color:var(--fw-wire); }
.arch-link--a{ grid-row:2; }
.arch-link--b{ grid-row:4; }
.al-pair{ display:flex; gap:14px; align-self:stretch; }
.al-t{ font-size:12.5px; line-height:1.2; font-weight:var(--fw-medium); color:var(--dim); white-space:nowrap; }
.al-t--l{ justify-self:end; }
.al-t--r{ justify-self:start; }

/* specialist agents */
.arch-agents{ grid-column:1; grid-row:3; display:flex; flex-direction:column; padding-bottom:0; }
.ag-row{ margin-top:14px; display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:10px; }
.ag-row > li{ display:flex; min-width:0; }
.arch .agent{ position:relative; flex:1; min-width:0; display:flex; flex-direction:column; align-items:flex-start; gap:7px; padding:14px 15px 16px;
  text-align:left; border-radius:var(--r-md); cursor:pointer; -webkit-tap-highlight-color:transparent;
  background:linear-gradient(180deg, rgba(150,180,225,.07), rgba(150,180,225,.03));
  box-shadow:inset 0 0 0 1px var(--line), inset 0 1px 0 rgba(255,255,255,.045);
  transition:box-shadow var(--dur-hover) var(--ease); }
.arch .agent::before{ content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none; opacity:0;
  background:linear-gradient(180deg, rgba(30,144,255,.17), rgba(30,144,255,.06)); transition:opacity var(--dur-hover) var(--ease); }
.arch .agent > *{ position:relative; }
.arch .agent .ag-code{ margin-bottom:3px; }
.ag-name{ font-size:15px; line-height:1.3; letter-spacing:-.006em; font-weight:var(--fw-semi); color:var(--text); }
.ag-role{ font-size:13.5px; line-height:1.5; color:var(--body); }
html[data-lang="ko"] .ag-role{ line-height:1.62; }
.arch .agent:hover, .arch .agent.is-on{ box-shadow:inset 0 0 0 1px rgba(110,172,255,.6), inset 0 1px 0 rgba(255,255,255,.07); }
.arch .agent:hover::before, .arch .agent.is-on::before{ opacity:1; }
.arch .agent:focus-visible{ outline:2px solid #7db4ff; outline-offset:2px; }

/* constraint: a cyan rule across the agents card, fed from the knowledge column */
.arch-cons{ margin:16px calc(-1 * var(--fw-pad) - 1px) 0; height:47px; display:flex; align-items:center; gap:14px;
  font-size:13px; line-height:1.3; font-weight:var(--fw-medium); color:var(--cy); white-space:nowrap; text-align:center; }
.arch-cons::before, .arch-cons::after{ content:""; flex:1 1 0; min-width:20px; height:1px; background:var(--fw-cy-line); transition:background-color var(--dur-hover) var(--ease); }
.arch-kwire{ grid-column:2; grid-row:3; align-self:end; margin-bottom:21px; color:var(--fw-cy-line); transition:color var(--dur-hover) var(--ease); }

/* engineering tools */
.arch-tools{ grid-column:1; grid-row:5; }
.tl-grid{ margin-top:14px; display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); grid-template-rows:auto 30px auto; column-gap:10px; }
.arch .tool{ position:relative; display:flex; align-items:center; justify-content:center; gap:8px; min-height:44px; padding:8px 12px; border-radius:var(--r-md);
  text-align:center; font-size:13.5px; line-height:1.3; font-weight:var(--fw-medium); color:var(--body);
  background-color:rgba(150,180,225,.045); box-shadow:inset 0 0 0 1px var(--line);
  transition:color var(--dur-hover) var(--ease), background-color var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease); }
.arch .tool .ic{ width:18px; height:18px; color:var(--dim); transition:color var(--dur-hover) var(--ease); }
.arch .tool.is-on{ color:var(--text); background-color:rgba(30,144,255,.14); box-shadow:inset 0 0 0 1px rgba(90,162,255,.55); }
.arch .tool.is-on .ic{ color:var(--acc-hi); }
.tl-c{ display:flex; justify-content:center; color:var(--fw-wire); transition:color var(--dur-hover) var(--ease); }
.tl-c.is-on, .tl-bd.is-on{ color:var(--acc); }
.arch .tool--data{ grid-row:3; grid-column:1; }
.arch .tool--dt{ grid-row:3; grid-column:2 / -1; margin-left:28px; gap:12px; color:var(--text); background-color:rgba(30,144,255,.075); box-shadow:inset 0 0 0 1px rgba(90,162,255,.32); }
.arch .tool--dt b{ font-weight:var(--fw-semi); }
.tl-sub{ font-weight:var(--fw-regular); color:var(--body); }
.tl-bd{ grid-row:3; grid-column:2; justify-self:start; align-self:center; width:38px; margin-left:-10px; color:var(--fw-wire); transition:color var(--dur-hover) var(--ease); }

/* ontology & domain knowledge */
.arch-know{ grid-column:3; grid-row:3 / 6; align-self:start; display:flex; flex-direction:column; transition:box-shadow var(--dur-state) var(--ease); }
.arch-know::before{ content:""; position:absolute; left:var(--fw-pad); right:var(--fw-pad); top:-1px; height:1px; background:linear-gradient(90deg, var(--cy), rgba(98,203,224,0)); }
.kn-label{ font-size:13.5px; line-height:1.35; font-weight:var(--fw-semi); color:var(--cy); }
.kn-sub{ margin-top:2px; font-size:13px; line-height:1.45; color:var(--dim); }
.kn-item{ margin-top:18px; padding-top:16px; border-top:1px solid var(--line-soft); }
.kn-name{ display:flex; align-items:center; gap:10px; font-size:15px; line-height:1.3; font-weight:var(--fw-semi); color:var(--text); }
.kn-name .ic{ width:20px; height:20px; color:var(--cy); }
.kn-item > p:not(.kn-name){ margin-top:8px; font-size:13.5px; line-height:1.6; color:var(--body); }
html[data-lang="ko"] .kn-item > p:not(.kn-name){ line-height:1.7; }
.kn-list{ margin-top:6px; }
.kn-list li{ position:relative; padding:4px 0 4px 15px; font-size:13.5px; line-height:1.5; color:var(--body); }
.kn-list li::before{ content:""; position:absolute; left:0; top:calc(4px + .75em); width:6px; height:1px; background:var(--cy); }

.arch-cap{ margin-top:18px; display:flex; align-items:center; gap:8px; }
.arch-cap .ic{ color:var(--dim); }

/* ═══ B · workflow ═══════════════════════════════════════════════ */

.wf{ position:relative; margin:0; padding:clamp(22px, 2.4vw, 30px) clamp(22px, 2.4vw, 32px) 14px; }
.wf-grid{ --wf-gap:28px; position:relative; display:grid; grid-template-columns:100px repeat(5, minmax(0,1fr));
  grid-template-rows:auto auto auto auto 96px; column-gap:var(--wf-gap); }
.wf-row{ grid-column:1 / -1; border-top:1px solid var(--line-soft); }
.wf-col, .wf-outcol{ grid-row:1 / 5; margin:-12px -9px 0; border-radius:var(--r-md); pointer-events:none; }
.wf-outcol{ grid-column:6; background:linear-gradient(180deg, rgba(30,144,255,.09), rgba(30,144,255,.035)); box-shadow:inset 0 0 0 1px rgba(90,162,255,.16); }
.wf-col{ background:rgba(150,180,225,.04); opacity:0; transition:opacity var(--dur-hover) var(--ease); }
.wf-col[data-s="1"]{ grid-column:2; } .wf-col[data-s="2"]{ grid-column:3; } .wf-col[data-s="3"]{ grid-column:4; } .wf-col[data-s="4"]{ grid-column:5; }
@media (hover:hover){
  .wf-grid:has(> [data-s="1"]:hover) > .wf-col[data-s="1"],
  .wf-grid:has(> [data-s="2"]:hover) > .wf-col[data-s="2"],
  .wf-grid:has(> [data-s="3"]:hover) > .wf-col[data-s="3"],
  .wf-grid:has(> [data-s="4"]:hover) > .wf-col[data-s="4"]{ opacity:1; }
}

.wf-lane{ position:relative; z-index:1; grid-column:1; padding:15px 0; font-size:13.5px; line-height:1.3; font-weight:var(--fw-semi); color:var(--text); }
.wf-lane em{ display:block; margin-top:3px; font-style:normal; font-size:12.5px; font-weight:var(--fw-regular); color:var(--dim); }
.wf-lane--r{ color:var(--acc-hi); }

.wf-grid > [data-s="1"]:not(.wf-col){ grid-column:2; } .wf-grid > [data-s="2"]:not(.wf-col){ grid-column:3; }
.wf-grid > [data-s="3"]:not(.wf-col){ grid-column:4; } .wf-grid > [data-s="4"]:not(.wf-col){ grid-column:5; }
.wf-grid > [data-s="5"]{ grid-column:6; }

.wf-h{ grid-row:1; position:relative; z-index:1; display:flex; align-items:center; gap:10px; padding:0 0 16px; min-width:0; }
.wf-n{ flex:none; display:grid; place-items:center; width:24px; height:24px; border-radius:50%; font-size:12.5px; line-height:1; font-weight:var(--fw-semi);
  font-variant-numeric:tabular-nums; color:var(--acc-hi); background:#0e1e38; box-shadow:inset 0 0 0 1px rgba(90,162,255,.5); }
.wf-h[data-s="5"] .wf-n{ color:#0b1834; background:var(--acc-hi); box-shadow:none; }
.wf-name{ font-size:14.5px; line-height:1.25; letter-spacing:-.005em; font-weight:var(--fw-semi); color:var(--text); white-space:nowrap; }
@media (min-width:1100px) and (max-width:1320px){ .wf-name{ font-size:13.5px; } }
.wf-h:not([data-s="5"])::after{ content:""; position:absolute; top:8px; right:calc(var(--wf-gap) / -2 - 3px); width:7px; height:7px;
  border-top:1.5px solid var(--dim); border-right:1.5px solid var(--dim); transform:rotate(45deg); }

.wf-c{ position:relative; z-index:1; min-width:0; padding:15px 0; font-size:13.5px; line-height:1.5; color:var(--body); }
html[data-lang="ko"] .wf-c{ line-height:1.6; }
.wf-c--plan{ grid-row:2; } .wf-c--exec{ grid-row:3; } .wf-c--eval{ grid-row:4; }
.wf-c--plan .ag-code{ margin-bottom:8px; }
.wf-list li + li{ margin-top:5px; }
.wf-c--exec{ display:flex; flex-wrap:wrap; align-content:flex-start; gap:6px; }
.wf .chip{ max-width:100%; }
@media (min-width:1100px) and (max-width:1199px){ .wf .chip{ white-space:normal; height:auto; min-height:28px; padding:5px 10px; line-height:1.3; } }
.wf-c--exec .wf-k{ flex-basis:100%; }
.wf-c--eval{ display:flex; flex-direction:column; align-items:center; justify-content:center; padding:18px 0 32px; text-align:center; }
.wf-out{ font-weight:var(--fw-semi); color:var(--text); text-wrap:balance; }
.wf-out--rec{ color:var(--acc-hi); }
.wf-gate{ display:inline-flex; align-items:center; gap:10px; font-weight:var(--fw-semi); color:var(--text); white-space:nowrap; }
.wf-dia{ flex:none; width:11px; height:11px; transform:rotate(45deg); border:1.5px solid var(--acc-hi); background:rgba(30,144,255,.16); }
.wf-k{ display:none; }
.wf-note{ display:none; }

/* overlay: execution flow, two re-plan loops, labels on the loops */
.wf-ov{ position:absolute; left:0; top:0; width:100%; height:100%; overflow:visible; pointer-events:none; z-index:2; }
.wf-ov > path{ fill:none; stroke-linejoin:round; stroke-linecap:butt; }
.wf-ov .wf-f{ stroke:var(--fw-wire); stroke-width:1; }
.wf-ov .wf-pdt{ stroke:var(--acc); stroke-width:1.5; stroke-dasharray:6 4; }
.wf-ov .wf-ppid{ stroke:var(--acc-hi); stroke-width:1.5; stroke-dasharray:2 3; }
.wf-ov circle{ stroke:none; }
.wf-lbl{ position:absolute; z-index:3; visibility:hidden; font-size:12px; line-height:1.3; font-weight:var(--fw-medium); color:var(--dim); white-space:nowrap; }
.wf.is-laid .wf-lbl{ visibility:visible; }
.wf-lbl--dt{ color:var(--acc); }
.wf-lbl--pid{ color:var(--acc-hi); }
.wf:not(.is-laid) .wf-note{ display:block; }
.wf-note{ margin-top:10px; font-size:12.5px; line-height:1.45; font-weight:var(--fw-medium); text-align:left; }
.wf-note > span{ display:block; padding-left:24px; text-indent:-24px; }
.wf-note i{ display:inline-block; width:16px; height:0; margin-right:8px; vertical-align:middle; border-top:1.5px dashed currentColor; }
.wf-note .n-dt{ color:var(--acc); }
.wf-note .n-pid{ color:var(--acc-hi); }

/* ═══ responsive ═════════════════════════════════════════════════ */
@media (max-width:1000px){
  .ao-duties{ display:grid; grid-template-columns:auto auto; justify-content:end; gap:6px 0; }
  .ao-duties li:nth-child(3){ border-left:0; padding-left:0; }
  .ao-duties li:nth-child(2){ padding-right:0; }
}
@media (max-width:1179px){
  .arch-grid{ grid-template-columns:minmax(0,1fr); grid-template-rows:auto 52px auto 52px auto auto; }
  .arch-kwire{ display:none; }
  .arch-know{ grid-column:1; grid-row:6; margin-top:16px; display:grid; grid-template-columns:1fr 1fr; column-gap:32px; }
  .arch-know .kn-label, .arch-know .kn-sub{ grid-column:1 / -1; }
  .ao-duties li{ padding:1px 14px; }
}
@media (max-width:1099px){
  /* workflow, transposed: stages are rows, lanes are columns */
  .wf-grid{ grid-template-columns:28px repeat(3, minmax(0,1fr)); grid-template-rows:none; grid-auto-rows:auto; column-gap:22px; }
  .wf-lane, .wf-row, .wf-col, .wf-outcol, .wf-ov, .wf-lbl{ display:none; }
  .wf-grid > .wf-h[data-s]{ grid-column:1 / -1; padding:0 0 10px; margin-top:22px; }
  .wf-grid > .wf-h[data-s="1"]{ margin-top:0; }
  .wf-h::after{ display:none; }
  .wf-grid > .wf-c{ padding:4px 0 6px; }
  .wf-grid > .wf-c--plan[data-s]{ grid-column:2; } .wf-grid > .wf-c--exec[data-s]{ grid-column:3; } .wf-grid > .wf-c--eval[data-s]{ grid-column:4; }
  .wf-h[data-s="1"]{ grid-row:1; } .wf-c[data-s="1"]{ grid-row:2; }
  .wf-h[data-s="2"]{ grid-row:3; } .wf-c[data-s="2"]{ grid-row:4; }
  .wf-h[data-s="3"]{ grid-row:5; } .wf-c[data-s="3"]{ grid-row:6; }
  .wf-h[data-s="4"]{ grid-row:7; } .wf-c[data-s="4"]{ grid-row:8; }
  .wf-h[data-s="5"]{ grid-row:9; } .wf-c[data-s="5"]{ grid-row:10; }
  .wf-c::before{ content:""; position:absolute; left:-38.5px; top:0; bottom:-22px; width:1px; background:var(--line); }   /* rail under the number */
  .wf-c[data-s="5"]::before{ bottom:0; }
  .wf-c--exec::before, .wf-c--eval::before{ display:none; }
  .wf-k{ display:block; margin-bottom:6px; font-size:12px; line-height:1.3; font-weight:var(--fw-semi); color:var(--dim); }
  .wf-c--eval{ align-items:flex-start; justify-content:flex-start; text-align:left; }
  .wf-out{ text-wrap:pretty; }
  }
@media (max-width:760px){
  .arch-grid{ grid-template-rows:auto 48px auto 48px auto auto; }
  .arch-orch{ flex-direction:column; align-items:flex-start; padding:18px 18px 16px; }
  .ao-duties{ width:100%; display:grid; grid-template-columns:1fr 1fr; gap:0; padding-top:12px; border-top:1px solid rgba(170,198,240,.16); }
  .ao-duties li, .ao-duties li:first-child, .ao-duties li:last-child{ padding:5px 10px 5px 0; border-left:0; white-space:normal; font-size:13px; }
  .ag-row{ grid-template-columns:1fr 1fr; gap:8px; }
  .arch .agent{ padding:12px 12px 14px; }
  .ag-name{ font-size:14.5px; }
  .ag-role{ font-size:13px; }
  .arch-cons{ height:auto; min-height:47px; padding:10px 0; white-space:normal; }
  .arch-cons span{ max-width:24ch; }
  .tl-grid{ grid-template-columns:1fr 1fr; grid-template-rows:none; gap:8px; }
  .tl-c, .tl-bd{ display:none; }
  .arch .tool--data{ grid-row:auto; grid-column:1 / -1; }
  .arch .tool--dt{ grid-row:auto; grid-column:1 / -1; margin-left:0; flex-wrap:wrap; }
  .arch-know{ grid-template-columns:1fr; }
}
@media (max-width:639px){
  /* workflow as one column: stage → plan → execute → evaluate */
  .wf{ padding:20px 18px 18px; }
  .wf-grid{ display:flex; flex-direction:column; }
  .wf-grid > *{ order:var(--o, 99); }
  .wf-grid > .wf-c{ margin-left:11.5px; padding:6px 0 10px 22px; border-left:1px solid var(--line); }
  .wf-grid > .wf-c::before{ display:none; }
  .wf-grid > .wf-c[data-s="5"]:last-child, .wf-grid > .wf-c--eval[data-s="5"]{ border-left-color:transparent; }
  .wf-grid > .wf-h[data-s]{ margin-top:14px; padding-bottom:6px; }
  .wf-grid > .wf-h[data-s="1"]{ margin-top:0; }
  .wf-grid > .wf-c{ padding-top:4px; padding-bottom:8px; }
  .wf-c--plan .wf-k{ display:inline-block; margin:0 8px 6px 0; vertical-align:middle; }
  .wf-c--plan .ag-code, .wf-c--plan .lbl{ vertical-align:middle; margin-bottom:6px; }
}


/* ═══ v2 refinements ═════════════════════════════════════════════ */
#framework .panel{ padding:var(--fw-pad); }
#framework .arch-agents.panel{ padding-bottom:0; }
#framework .arch-orch.panel{ padding:18px 26px 18px 20px; }
.fw-label{ font-family:var(--display); font-size:15px; letter-spacing:-.006em; }
.ao-name{ font-family:var(--display); font-size:var(--fs-h3); line-height:1.2; letter-spacing:var(--ls-h3); font-weight:600; color:var(--text); }
.arch .agent{ background:linear-gradient(180deg, rgba(140,175,225,.06), rgba(140,175,225,.02)); box-shadow:inset 0 0 0 1px var(--line), inset 0 1px 0 rgba(255,255,255,.05);
  transition:box-shadow var(--dur-hover) var(--ease), opacity var(--dur-state) var(--ease), transform var(--dur-state) var(--ease-out); }
.ag-name{ font-family:var(--display); font-size:15.5px; }
.arch .agent:hover, .arch .agent.is-on{ box-shadow:inset 0 0 0 1px rgba(120,180,255,.66), inset 0 1px 0 rgba(255,255,255,.08), 0 0 26px -10px rgba(30,144,255,.75); }
.arch .agent.is-on{ transform:translateY(-2px); }
/* tracing: everything not on the agent's path steps back */
.arch .tool, .arch .tl-c, .arch .tl-bd, .arch .kn-item, .arch .kn-list li, .arch .arch-link{ transition:opacity var(--dur-state) var(--ease), color var(--dur-hover) var(--ease), background-color var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease); }
.arch.is-tracing .agent:not(.is-on){ opacity:.42; }
.arch.is-tracing .tool:not(.is-on), .arch.is-tracing .tl-c:not(.is-on), .arch.is-tracing .tl-bd:not(.is-on){ opacity:.3; }
.arch.is-tracing .kn-item:not(.is-on){ opacity:.32; }
.arch.is-tracing .kn-list li:not(.is-on){ opacity:.45; }
.arch .kn-list li.is-on{ color:var(--text); }
.arch .kn-list li.is-on::before{ width:10px; height:1.5px; box-shadow:0 0 6px rgba(98,203,224,.8); }
.arch .kn-item.is-on .kn-name{ color:#fff; }
.arch .tool.is-on{ color:var(--text); background-color:rgba(30,144,255,.13); box-shadow:inset 0 0 0 1px rgba(110,170,255,.6), 0 0 22px -8px rgba(30,144,255,.7); }
.arch.is-tracing .arch-link{ color:var(--acc); }
.arch.is-tracing .arch-link .al-t{ color:var(--body); }
.arch .tool--dt{ background-color:rgba(30,144,255,.07); }
.arch-cap{ margin-top:16px; display:flex; align-items:center; gap:10px; font-size:13px; color:var(--dim); }
.arch-cap__hint{ position:relative; width:18px; height:18px; flex:none; border-radius:50%; box-shadow:inset 0 0 0 1px rgba(140,175,225,.35); }
.arch-cap__hint i{ position:absolute; left:50%; top:50%; width:6px; height:6px; margin:-3px 0 0 -3px; border-radius:50%; background:var(--acc); box-shadow:0 0 8px rgba(30,144,255,.9); }
@media (prefers-reduced-motion:no-preference){ .arch-cap__hint i{ animation:hint 2.4s var(--ease) infinite; } }
@keyframes hint{ 0%, 100%{ transform:scale(1); opacity:1; } 50%{ transform:scale(.55); opacity:.6; } }
@media (hover:none){ .arch-cap .en::before{ content:""; } }
.fw-part{ margin-top:clamp(64px, 7vw, 100px); }
.wf.panel{ padding:clamp(22px, 2.4vw, 30px) clamp(22px, 2.4vw, 32px) 14px; }
.wf-name{ font-family:var(--display); }
.wf-outcol{ background:linear-gradient(180deg, rgba(30,144,255,.08), rgba(30,144,255,.03)); box-shadow:inset 0 0 0 1px rgba(90,162,255,.16); }

/* lit trace paths (js/framework.js): agent → tool, knowledge → agent */
.arch-grid{ position:relative; }
.arch-ov{ position:absolute; left:0; top:0; width:100%; height:100%; overflow:visible; pointer-events:none; z-index:3; }
.arch-ov path{ fill:none; stroke-linecap:round; stroke-linejoin:round; }
.arch-ov .ao-line{ stroke-width:1.5; stroke-dasharray:6 5; }
.arch-ov .ao-glow{ stroke-width:7; opacity:.18; }
.arch-ov .ao-tool{ stroke:#5aa9ff; }
.arch-ov .ao-know{ stroke:#62cbe0; }
@media (prefers-reduced-motion:no-preference){ .arch-ov .ao-line{ animation:aoFlow 1.1s linear infinite; } }
@keyframes aoFlow{ to{ stroke-dashoffset:-11; } }
@media (max-width:1179px){ .arch-ov{ display:none; } }
.arch-cap .hint-t{ display:none; }
@media (hover:none){ .arch-cap .hint-p{ display:none; } .arch-cap .hint-t{ display:inline; } }