/* Associate Model: interactive diagram, lens tabs and scenario stepper.
   Without JS every panel and step stays visible; controls appear only once
   page.delta.js adds .am-ready. Built on core.css tokens and components. */
.rq-associate-model-page .am-switch,
.rq-associate-model-page .am-tabs,
.rq-associate-model-page .am-steps-bar,
.rq-associate-model-page .am-step-nav { display: none; }
.rq-associate-model-page.am-ready .am-switch { display: inline-flex; }
.rq-associate-model-page.am-ready .am-tabs,
.rq-associate-model-page.am-ready .am-steps-bar,
.rq-associate-model-page.am-ready .am-step-nav { display: flex; }
.rq-associate-model-page.am-ready .am-panel-label { display: none; }
.rq-associate-model-page.am-ready [hidden] { display: none !important; }

/* Diagram */
.rq-associate-model-page .am-diagram { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.rq-associate-model-page .am-diagram-card { background: var(--paper); border: 1px solid var(--hairline); box-shadow: var(--shadow); padding: 24px; }
.rq-associate-model-page .am-switch { border: 1px solid var(--deep-purple); margin-bottom: 16px; }
.rq-associate-model-page .am-switch button { font: 600 13px var(--font-body); letter-spacing: 0.04em; padding: 10px 16px; border: 0; background: transparent; color: var(--deep-purple); cursor: pointer; transition: background 0.25s var(--ease), color 0.25s var(--ease); }
.rq-associate-model-page .am-switch button[aria-pressed="true"] { background: var(--deep-purple); color: var(--paper); }
.rq-associate-model-page .am-switch button:not([aria-pressed="true"]):hover { color: var(--crimson); }
.rq-associate-model-page .am-map { width: 100%; height: auto; display: block; }
.rq-associate-model-page .am-layer { transition: opacity 0.5s var(--ease); }
.rq-associate-model-page .am-map[data-mode="usual"] .am-layer-assoc,
.rq-associate-model-page .am-map[data-mode="assoc"] .am-layer-usual { opacity: 0; pointer-events: none; }
.rq-associate-model-page .am-node rect { fill: var(--paper); stroke: var(--deep-purple); stroke-width: 1.2; transition: fill 0.3s var(--ease), stroke 0.3s var(--ease); }
.rq-associate-model-page .am-node text { font: 600 11px var(--font-body); fill: var(--deep-purple); text-anchor: middle; dominant-baseline: middle; transition: fill 0.3s var(--ease); }
.rq-associate-model-page .am-hub rect { fill: var(--deep-purple); }
.rq-associate-model-page .am-hub text, .rq-associate-model-page .am-client text { fill: var(--paper); }
.rq-associate-model-page .am-client rect { fill: var(--crimson); stroke: var(--crimson); }
.rq-associate-model-page .am-bench circle { fill: var(--lavender); stroke: var(--med-purple); stroke-width: 1.2; transition: fill 0.3s var(--ease); }
.rq-associate-model-page .am-wire { stroke: var(--med-purple); stroke-width: 1.4; fill: none; }
.rq-associate-model-page .am-wire.am-messy { stroke: var(--crimson); stroke-dasharray: 4 4; opacity: 0.75; }
.rq-associate-model-page .am-wire.am-dotted { stroke-dasharray: 2 3; }
.rq-associate-model-page .am-cap { font: 600 12px var(--font-body); fill: var(--muted); text-anchor: middle; }
.rq-associate-model-page .am-cap.am-alert { fill: var(--crimson); }
.rq-associate-model-page .am-map[data-lens="client"] .am-client rect { stroke: var(--deep-purple); stroke-width: 2.6; }
.rq-associate-model-page .am-map[data-lens="operator"] .am-op rect { stroke: var(--crimson); stroke-width: 2.6; fill: #FBE9ED; }
.rq-associate-model-page .am-map[data-lens="operator"] .am-op text { fill: var(--crimson); }
.rq-associate-model-page .am-map[data-lens="nextgen"] .am-bench circle { fill: var(--crimson); stroke: var(--crimson); }
.rq-associate-model-page .am-map[data-lens="nextgen"] .am-bench-label { fill: var(--crimson); }
.rq-associate-model-page .am-copy { transition: opacity 0.3s var(--ease); }
.rq-associate-model-page .am-copy + .am-copy { margin-top: 32px; }
.rq-associate-model-page.am-ready .am-copy + .am-copy { margin-top: 0; }
.rq-associate-model-page .am-stat { font-family: var(--font-display); font-weight: 500; font-size: var(--fs-stat); letter-spacing: -0.02em; color: var(--deep-purple); line-height: 1.1; margin-bottom: 12px; }
.rq-associate-model-page .am-stat span { color: var(--crimson); }
.rq-associate-model-page .am-copy p:not(.am-stat) { font-size: 15px; color: var(--muted); line-height: 1.6; margin-bottom: 12px; }

/* Lens tabs */
.rq-associate-model-page .am-tabs { flex-wrap: wrap; border-bottom: 1px solid var(--hairline); margin-bottom: 28px; }
.rq-associate-model-page .am-tab { font: 600 15px var(--font-body); background: none; border: 0; border-bottom: 3px solid transparent; padding: 14px 20px 12px; color: var(--muted); cursor: pointer; margin-bottom: -1px; text-align: left; transition: color 0.2s var(--ease), border-color 0.2s var(--ease); }
.rq-associate-model-page .am-tab:hover { color: var(--crimson); }
.rq-associate-model-page .am-tab[aria-selected="true"] { color: var(--deep-purple); border-bottom-color: var(--crimson); }
.rq-associate-model-page .am-tab small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
.rq-associate-model-page .am-panel + .am-panel { margin-top: 56px; }
.rq-associate-model-page.am-ready .am-panel + .am-panel { margin-top: 0; }
.rq-associate-model-page .am-panel-label { font-family: var(--font-display); font-weight: 500; font-size: 24px; color: var(--deep-purple); margin-bottom: 16px; }
.rq-associate-model-page .am-panel-head { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--hairline); background: var(--paper); margin-bottom: 24px; }
.rq-associate-model-page .am-panel-head > div { padding: 24px 28px; }
.rq-associate-model-page .am-before { border-right: 1px solid var(--hairline); }
.rq-associate-model-page .am-panel-head h4 { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 8px; color: var(--muted); }
.rq-associate-model-page .am-after h4 { color: var(--crimson); }
.rq-associate-model-page .am-panel-head p { font-family: var(--font-display); font-size: 20px; line-height: 1.35; color: var(--deep-purple); }
.rq-associate-model-page .am-before p { color: var(--muted); }
.rq-associate-model-page .am-panel .card { padding: 28px 24px; }
.rq-associate-model-page .am-panel .card h4 { font-size: 21px; }
.rq-associate-model-page .am-panel .card .phase { color: var(--crimson); }

/* Scenario */
.rq-associate-model-page .am-steps-bar { gap: 6px; margin-bottom: 24px; }
.rq-associate-model-page .am-steps-bar button { flex: 1; height: 34px; border: 1px solid rgba(253,252,250,0.35); background: transparent; color: rgba(253,252,250,0.78); font: 600 13px var(--font-body); cursor: pointer; transition: background 0.25s var(--ease), color 0.25s var(--ease); }
.rq-associate-model-page .am-steps-bar button.am-done { background: rgba(253,252,250,0.12); color: var(--paper); }
.rq-associate-model-page .am-steps-bar button[aria-current="step"] { background: var(--crimson); border-color: var(--crimson); color: var(--paper); }
.rq-associate-model-page .am-steps { transition: opacity 0.25s var(--ease); }
.rq-associate-model-page .am-step + .am-step { margin-top: 40px; }
.rq-associate-model-page.am-ready .am-step + .am-step { margin-top: 0; }
.rq-associate-model-page .am-step-title { font-family: var(--font-display); font-weight: 500; font-size: clamp(24px, 3.2vw, 32px); line-height: 1.2; color: var(--paper); margin-bottom: 20px; }
.rq-associate-model-page .am-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.rq-associate-model-page .am-compare > div { padding: 24px; border: 1px solid rgba(253,252,250,0.25); }
.rq-associate-model-page .am-usual { background: rgba(0,0,0,0.18); }
.rq-associate-model-page .am-assoc { background: var(--paper); border-color: var(--paper) !important; color: var(--ink); }
.rq-associate-model-page .am-compare h4 { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 10px; }
.rq-associate-model-page .am-usual h4 { color: var(--rose); }
.rq-associate-model-page .am-assoc h4 { color: var(--crimson); }
.rq-associate-model-page .am-compare p { font-size: 16px; line-height: 1.6; }
.rq-associate-model-page .am-usual p { color: rgba(253,252,250,0.82); }
.rq-associate-model-page .am-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.rq-associate-model-page .am-chip { font-size: 12px; font-weight: 600; padding: 5px 10px; border: 1px solid var(--med-purple); color: var(--deep-purple); background: var(--lavender); }
.rq-associate-model-page .am-step-nav { justify-content: space-between; align-items: center; margin-top: 24px; }
.rq-associate-model-page .am-btn { font: 600 14px var(--font-body); letter-spacing: 0.04em; padding: 12px 20px; border: 1px solid var(--paper); background: transparent; color: var(--paper); cursor: pointer; transition: background 0.2s var(--ease), border-color 0.2s var(--ease); }
.rq-associate-model-page .am-btn:hover:not([disabled]) { background: var(--crimson); border-color: var(--crimson); }
.rq-associate-model-page .am-btn[disabled] { opacity: 0.35; cursor: default; }
.rq-associate-model-page .am-step-count { font-size: 14px; color: rgba(253,252,250,0.78); }

/* Tell your problem once */
.rq-associate-model-page .am-once-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.rq-associate-model-page .am-once-top .am-switch { margin-bottom: 0; }
.rq-associate-model-page .am-tally { display: none; border: 1px solid var(--hairline); background: var(--paper); }
.rq-associate-model-page.am-ready .am-tally { display: flex; }
.rq-associate-model-page .am-tally > div { padding: 10px 20px; min-width: 150px; }
.rq-associate-model-page .am-tally > div + div { border-left: 1px solid var(--hairline); }
.rq-associate-model-page .am-k { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.rq-associate-model-page .am-v { font-family: var(--font-display); font-weight: 500; font-size: 28px; line-height: 1.15; color: var(--deep-purple); }
.rq-associate-model-page .am-v b { font-weight: 500; color: var(--crimson); }
.rq-associate-model-page .am-once-stage { background: var(--paper); border: 1px solid var(--hairline); box-shadow: var(--shadow); padding: 32px; }
.rq-associate-model-page .am-once-panel + .am-once-panel { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--hairline); }
.rq-associate-model-page.am-ready .am-once-panel + .am-once-panel { margin-top: 0; padding-top: 0; border-top: 0; }
.rq-associate-model-page .am-once-label { font-family: var(--font-display); font-weight: 500; font-size: 22px; color: var(--deep-purple); margin-bottom: 16px; }
.rq-associate-model-page.am-ready .am-once-label { display: none; }
.rq-associate-model-page .am-bubble { border: 1px solid var(--deep-purple); background: var(--paper); padding: 12px 14px; position: relative; }
.rq-associate-model-page .am-bubble::after { content: ""; position: absolute; left: 18px; bottom: -7px; width: 12px; height: 12px; background: var(--paper); border-right: 1px solid var(--deep-purple); border-bottom: 1px solid var(--deep-purple); transform: rotate(45deg); }
.rq-associate-model-page .am-who { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--crimson); margin-bottom: 2px; }
.rq-associate-model-page .am-bubble p { font-size: 15px; color: var(--ink); }
.rq-associate-model-page .am-bubble.am-again, .rq-associate-model-page .am-bubble.am-again::after { border-color: var(--hairline); }
.rq-associate-model-page .am-bubble.am-again p { color: var(--muted); }
.rq-associate-model-page .am-pitch-row { display: grid; grid-template-columns: 1fr 36px 1fr; align-items: center; gap: 8px; margin-bottom: 16px; }
.rq-associate-model-page .am-arrow { color: var(--crimson); text-align: center; font-size: 20px; line-height: 1; }
.rq-associate-model-page .am-reply { background: var(--lavender); border: 1px dashed var(--crimson); padding: 12px 14px; }
.rq-associate-model-page .am-from { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 2px; }
.rq-associate-model-page .am-reply q { font-family: var(--font-display); font-style: italic; font-size: 18px; line-height: 1.3; color: var(--deep-purple); }
.rq-associate-model-page .am-once-foot { margin-top: 12px; padding-top: 16px; border-top: 1px solid var(--hairline); color: var(--muted); font-size: 15px; line-height: 1.6; }
.rq-associate-model-page .am-once-foot strong { color: var(--crimson); font-weight: 600; }
.rq-associate-model-page .am-once-foot.am-good strong { color: var(--deep-purple); }
.rq-associate-model-page .am-flow { display: flex; flex-direction: column; align-items: center; }
.rq-associate-model-page .am-flow .am-bubble { max-width: 560px; width: 100%; }
.rq-associate-model-page .am-down { width: 1px; height: 26px; background: var(--med-purple); }
.rq-associate-model-page .am-flow .am-bubble + .am-down { margin-top: 7px; }
.rq-associate-model-page .am-assoc-box { background: var(--deep-purple); color: var(--paper); padding: 12px 24px; text-align: center; }
.rq-associate-model-page .am-assoc-box strong { display: block; font-size: 15px; font-weight: 600; }
.rq-associate-model-page .am-assoc-box span { font-size: 12px; letter-spacing: 0.04em; color: rgba(253,252,250,0.78); }
.rq-associate-model-page .am-fan { width: calc(66.666% - 4px); height: 20px; border: 1px solid var(--med-purple); border-bottom: 0; position: relative; }
.rq-associate-model-page .am-fan::after { content: ""; position: absolute; left: 50%; top: 0; width: 1px; height: 100%; background: var(--med-purple); }
.rq-associate-model-page .am-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; width: 100%; }
.rq-associate-model-page .am-option { border: 1px solid var(--hairline); border-top: 3px solid var(--med-purple); padding: 18px; background: var(--paper); }
.rq-associate-model-page .am-tag { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--crimson); margin-bottom: 6px; }
.rq-associate-model-page .am-option h4 { font-family: var(--font-display); font-weight: 500; font-size: 20px; line-height: 1.2; color: var(--deep-purple); margin-bottom: 6px; }
.rq-associate-model-page .am-option p { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 12px; }
.rq-associate-model-page .am-option .am-chip { display: inline-block; }
.rq-associate-model-page.am-ready .am-play .am-anim { animation: amRise 0.45s var(--ease) both; animation-delay: calc(var(--i, 0) * 110ms); }
@keyframes amRise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (max-width: 600px) {
  .rq-associate-model-page .am-once-stage { padding: 16px; }
  .rq-associate-model-page .am-once-top .am-switch, .rq-associate-model-page .am-tally { width: 100%; }
  .rq-associate-model-page .am-once-top .am-switch button { flex: 1; }
  .rq-associate-model-page .am-tally > div { flex: 1; min-width: 0; padding: 10px 14px; }
  .rq-associate-model-page .am-pitch-row { grid-template-columns: 1fr; gap: 6px; margin-bottom: 20px; }
  .rq-associate-model-page .am-pitch-row .am-arrow { transform: rotate(90deg); width: 20px; margin-left: 18px; }
  .rq-associate-model-page .am-pitch-row .am-reply { margin-left: 24px; }
  .rq-associate-model-page .am-fan { display: none; }
  .rq-associate-model-page .am-options { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .rq-associate-model-page .am-anim { animation: none !important; }
}

.rq-associate-model-page :focus-visible { outline: 2px solid var(--crimson); outline-offset: 3px; }
.rq-associate-model-page .dark :focus-visible { outline-color: var(--rose); }

@media (max-width: 1160px) {
  .rq-associate-model-page .am-panel .cards.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .rq-associate-model-page .am-diagram { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 600px) {
  .rq-associate-model-page .am-panel .cards.four,
  .rq-associate-model-page .am-panel-head,
  .rq-associate-model-page .am-compare { grid-template-columns: 1fr; }
  .rq-associate-model-page .am-before { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .rq-associate-model-page .am-tab { flex: 1; padding: 12px 10px 10px; font-size: 14px; }
  .rq-associate-model-page .am-tab small { display: none; }
  .rq-associate-model-page .am-diagram-card { padding: 16px; }
}