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#ai-design-iteration-study .deck-nav {border:0;background:#f2f1ee;grid-template-columns:44px minmax(66px,auto) 44px;}
#ai-design-iteration-study .deck-nav button:first-child,#ai-design-iteration-study .deck-nav button:last-child {border:0;}
#ai-design-iteration-study .is-player .is-play,#ai-design-iteration-study .is-player .replay-button {width:44px;height:44px;min-width:44px;padding:0;border:0;border-radius:50%;background:#f2f1ee;display:grid;place-items:center;}
#ai-design-iteration-study .is-play span {position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}
#ai-design-iteration-study .is-play svg {width:18px;height:18px;fill:currentColor;}
#ai-design-iteration-study .is-chapter-nav {flex:0 0 auto;}
#ai-design-iteration-study .rule-change {background:#e5effa;border-color:#c5d9ee;}
#ai-design-iteration-study .rule-change small {color:#303030;}
#ai-design-iteration-study .candidate button,#ai-design-iteration-study .quantity input {border-color:#cecece;}
#ai-design-iteration-study button:focus-visible,#ai-design-iteration-study input:focus-visible,#ai-design-iteration-study .lightbox-trigger:focus-visible {outline:3px solid #0071e3;outline-offset:4px;}
#ai-design-iteration-study .ledger-image-inspection {min-height:0;height:100%;display:flex;flex-direction:column;}
#ai-design-iteration-study .ledger-image-inspection[hidden] {display:none;}
#ai-design-iteration-study .ledger-image-inspection button {min-height:44px;padding:10px 18px;border:0;background:#eeece7;text-align:left;}
#ai-design-iteration-study .ledger-image-inspection img {display:block;width:100%;height:auto;max-width:none;}
#ai-design-iteration-study .ledger-image-scroll {overflow:auto;min-height:0;flex:1;overscroll-behavior:contain;padding:16px;}
@media(max-width:700px){
 #ai-design-iteration-study .is-layer {padding:8px;}
 #ai-design-iteration-study .is-dialog {height:calc(100dvh - 16px);max-height:calc(100dvh - 16px);}
 #ai-design-iteration-study .is-dialog-head {padding:16px;}
 #ai-design-iteration-study .is-dialog-head h3 {font-size:20px;}
 #ai-design-iteration-study .is-dialog-body {padding:12px 16px 20px;}
 #ai-design-iteration-study .is-dialog[data-chapter="2"] .is-dialog-body {padding:12px;}
 #ai-design-iteration-study .is-station {width:130px;padding:12px;}
 #ai-design-iteration-study .ledger-image-inspection img {width:760px;}
}
#ai-design-iteration-study .deck-nav button {width:44px;height:44px;}
/* Small text on blue-tinted fills needs a darker foreground than Primary Blue. */
#ai-design-iteration-study .review-beat-head>span,
#ai-design-iteration-study .close-step span {color:#005bb8;}
#ai-design-iteration-study .is-dialog:not([data-chapter="4"]):not([data-chapter="2"]) {height:auto;}
#ai-design-iteration-study .is-dialog:has(.ledger-image-inspection:not([hidden])) {height:min(820px,calc(100dvh - 40px));}
@media(max-width:700px){#ai-design-iteration-study .is-dialog:has(.ledger-image-inspection:not([hidden])) {height:calc(100dvh - 16px);}}

/* Direct image edges retain the artifact without another enclosing surface. */
#ai-design-iteration-study .artifact-lead .artifact-shot,
#ai-design-iteration-study .review-shot-frame .artifact-shot,
#ai-design-iteration-study .final-shot-frame .artifact-shot {
  border:1px solid #d5d7da;border-radius:10px;box-sizing:border-box;
}
#ai-design-iteration-study .is-demo-version[hidden] {display:none;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-scene-note {
  font-size:16px;font-weight:500;line-height:1.5;color:#303030;
  background:#edf4fc;border-radius:10px;padding:12px 16px;
  min-height:72px;display:flex;align-items:center;margin:14px 0 0!important;
}
@media(max-width:767px) {
  #ai-design-iteration-study .is-dialog[data-chapter="2"] .is-scene-note {font-size:14px;min-height:88px;padding:10px 12px;}
}

/* Shared window geometry and alignment across all six stations. */
#ai-design-iteration-study .is-dialog,
#ai-design-iteration-study .is-dialog:not([data-chapter="4"]):not([data-chapter="2"]),
#ai-design-iteration-study .is-dialog:has(.ledger-image-inspection:not([hidden])) {
  --dialog-gutter:64px;
  width:min(80vw,1440px);max-width:none;
  height:80dvh;max-height:80dvh;
}
#ai-design-iteration-study .is-dialog-head {padding:20px var(--dialog-gutter);}
#ai-design-iteration-study .is-dialog-head h3 {margin:8px 0 0;}
#ai-design-iteration-study #stable-intro {padding:0 var(--dialog-gutter) 16px;}
#ai-design-iteration-study #stable-intro:empty {display:none;}
#ai-design-iteration-study .is-dialog-body,
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-dialog-body {
  width:100%;max-width:none;margin:0;padding:12px var(--dialog-gutter) 32px;
}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-scene-mount,
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-scene-note {max-width:660px;margin-left:auto!important;margin-right:auto!important;}
#ai-design-iteration-study .is-chapter-nav,
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-chapter-nav {padding:20px var(--dialog-gutter);}
#ai-design-iteration-study .is-chapter-nav button,
#ai-design-iteration-study .ledger-image-back {display:inline-flex;align-items:center;gap:8px;}
#ai-design-iteration-study .is-chapter-nav svg,
#ai-design-iteration-study .ledger-image-back svg,
.ledger-closing svg {width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none;}
.ledger-closing .link-bottom {display:inline-flex;align-items:center;gap:8px;}
#ai-design-iteration-study .loop-intro {max-width:700px;margin:0 0 28px;text-align:left;}
#ai-design-iteration-study .loop-return {border-color:#0071e3;color:#0071e3;}
#ai-design-iteration-study .loop-return::after {content:"";position:absolute;left:-6px;top:-1px;width:10px;height:10px;border-top:2px solid currentColor;border-left:2px solid currentColor;transform:rotate(45deg);}
#ai-design-iteration-study .artifact-lead .artifact-shot,
#ai-design-iteration-study .review-shot-frame .artifact-shot,
#ai-design-iteration-study .final-shot-frame .artifact-shot {border:0;border-radius:10px;box-shadow:0 2px 5px #152d4a18,0 10px 28px #152d4a12;}
/* Pale current-location state is distinct from the blue hover action. */
#ai-design-iteration-study .is-station {background:#f5f9ff;box-shadow:4px 7px 0 #ccdcec,8px 15px 20px #193e6512;}
#ai-design-iteration-study .is-station-prop i {background:#dbe8f6;}
#ai-design-iteration-study .is-station-prop i:last-child {background:#93b8df;}
#ai-design-iteration-study .is-station[data-current] {background:#dcecff;box-shadow:4px 7px 0 #aecceb,8px 15px 20px #193e6518;}
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) {background:#0071e3;color:white;}
#ai-design-iteration-study .is-map-intro .heading-4-n {font:500 1.125rem/1.75rem 'Poppins',sans-serif;letter-spacing:normal;color:#005bb8;margin:0 0 .5rem;}
#ai-design-iteration-study .is-map-intro .heading-1-n {font:600 2rem/3rem 'Poppins',sans-serif;letter-spacing:normal;margin:0 0 2.5rem;color:#303030;}
#ai-design-iteration-study .is-map-intro .paragraph {font:400 1.125rem/1.875rem 'Poppins',sans-serif;max-width:none;color:#303030;padding:0;margin:0 0 .625rem;}
#ai-design-iteration-study .ledger-title-accent {color:#0071e3;}
@media(max-width:991px) {
 #ai-design-iteration-study .is-layer {padding:16px;}
 #ai-design-iteration-study .is-dialog,
 #ai-design-iteration-study .is-dialog:not([data-chapter="4"]):not([data-chapter="2"]),
 #ai-design-iteration-study .is-dialog:has(.ledger-image-inspection:not([hidden])) {--dialog-gutter:24px;width:calc(100vw - 32px);height:calc(100dvh - 32px);max-height:calc(100dvh - 32px);}
}
@media(max-width:700px) {
 #ai-design-iteration-study .is-layer {padding:8px;}
 #ai-design-iteration-study .is-dialog,
 #ai-design-iteration-study .is-dialog:not([data-chapter="4"]):not([data-chapter="2"]),
 #ai-design-iteration-study .is-dialog:has(.ledger-image-inspection:not([hidden])) {--dialog-gutter:20px;width:calc(100vw - 16px);height:calc(100dvh - 16px);max-height:calc(100dvh - 16px);}
 #ai-design-iteration-study .is-dialog-head {padding:20px var(--dialog-gutter);}
 #ai-design-iteration-study .is-dialog-body,#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-dialog-body {padding:8px var(--dialog-gutter) 24px;}
 #ai-design-iteration-study .is-chapter-nav,#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-chapter-nav {padding:16px var(--dialog-gutter);}
 #ai-design-iteration-study .loop-return {display:block;left:0;right:auto;top:18px;bottom:18px;width:20px;height:auto;border:2px solid #0071e3;border-right:0;border-radius:16px 0 0 16px;}
 #ai-design-iteration-study .loop-return::after {left:auto;right:0;top:-6px;transform:rotate(135deg);}
 #ai-design-iteration-study .is-map-intro .heading-1-n {font-size:1.75rem;line-height:2.5rem;}
}
/* Match the existing case typography breakpoints as well as desktop values. */
@media(max-width:767px) {
 #ai-design-iteration-study .is-map-intro .heading-1-n {font-size:1.5rem;line-height:2.25rem;}
}
@media(max-width:478px) {
 #ai-design-iteration-study .is-map-intro .heading-4-n {font-size:1rem;line-height:1.5rem;}
 #ai-design-iteration-study .is-map-intro .paragraph {font-size:1rem;line-height:1.625rem;}
}

/* Center one content group when it fits; auto margins collapse for scrolling. */
#ai-design-iteration-study .is-page .is-dialog .is-dialog-body {display:flex;flex-direction:column;}
#ai-design-iteration-study .is-content-group {flex:none;width:100%;margin-block:auto;}
#ai-design-iteration-study .is-dialog #stable-intro {max-width:820px;padding:0;margin:0 0 24px;}
#ai-design-iteration-study #stable-intro p {font-size:15px;line-height:1.65;color:var(--is-muted);}
#ai-design-iteration-study .station-subtitle {font:500 24px/1.3 'Poppins',sans-serif;letter-spacing:normal;margin:0 0 12px;text-align:left;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-player {padding:16px 0 0;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-dialog-stage {width:100%;}
@media(max-width:700px) {
 #ai-design-iteration-study .station-subtitle {font-size:22px;}
}

/* A single lead paragraph establishes the same reading start in every station. */
#ai-design-iteration-study .is-dialog .is-dialog-head {padding:32px var(--dialog-gutter) 24px;}
#ai-design-iteration-study .is-content-group {margin-block:0;}
#ai-design-iteration-study .station-intro,
#ai-design-iteration-study #stable-intro .station-intro {
  max-width:920px;margin:0 0 24px!important;font:500 18px/1.6 'Poppins',sans-serif;color:#454545;text-align:left;
}
#ai-design-iteration-study .is-dialog #stable-intro {max-width:none;margin:0;}
#ai-design-iteration-study .artifact-lead {display:block;max-width:740px;}
#ai-design-iteration-study .review-canvas {margin-left:0;margin-right:0;}
#ai-design-iteration-study .review-story {text-align:left;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-scene-note {min-height:48px;padding:10px 16px;}
#ai-design-iteration-study .is-chapter-nav button:disabled {opacity:.4;cursor:default;}
/* The process occupies two columns, following a clockwise rectangular path. */
#ai-design-iteration-study .loop-canvas {width:100%;max-width:680px;height:clamp(320px,40dvh,440px);margin:0 auto;padding:0;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,1fr);gap:0;}
#ai-design-iteration-study .loop-canvas::before {display:none;}
#ai-design-iteration-study .loop-path {position:absolute;inset:0;width:100%;height:100%;overflow:visible;}
#ai-design-iteration-study .loop-canvas .process-step {display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;max-width:240px;justify-self:center;align-self:center;padding:8px 16px;background:#fff;}
#ai-design-iteration-study .loop-canvas .process-step:nth-of-type(1) {grid-area:1/1;}
#ai-design-iteration-study .loop-canvas .process-step:nth-of-type(2) {grid-area:1/2;}
#ai-design-iteration-study .loop-canvas .process-step:nth-of-type(3) {grid-area:2/2;}
#ai-design-iteration-study .loop-canvas .process-step:nth-of-type(4) {grid-area:3/2;}
#ai-design-iteration-study .loop-canvas .process-step:nth-of-type(5) {grid-area:3/1;}
#ai-design-iteration-study .loop-canvas .step-marker {width:36px;height:36px;margin:0 0 8px;font-size:16px;flex:none;}
#ai-design-iteration-study .loop-canvas .process-step p {font-size:12px;line-height:1.5;}
/* Shared blue action hierarchy, scoped to this case. */
#ai-design-iteration-study .candidate button,
#ai-design-iteration-study #reset-trial,
#ai-design-iteration-study .is-chapter-nav button:first-child,
#ai-design-iteration-study .is-player .is-play,
#ai-design-iteration-study .is-player .replay-button {background:#eaf3ff;color:#005bb8;border-color:#c8ddf5;}
#ai-design-iteration-study #show-choice {background:#0071e3;border-color:#0071e3;color:#fff;}
#ai-design-iteration-study .attention {outline-color:#0071e3;}
@media(max-width:700px) {
 #ai-design-iteration-study .station-intro,#ai-design-iteration-study #stable-intro .station-intro {font-size:16px;margin-bottom:20px!important;}
 #ai-design-iteration-study .loop-canvas {height:440px;}
 #ai-design-iteration-study .loop-canvas .process-step {padding:8px;max-width:155px;}
}

/* Keep the lead at the top; center only the artifact in the remaining space. */
#ai-design-iteration-study .is-dialog .is-dialog-head {padding-bottom:12px;}
#ai-design-iteration-study .station-intro,
#ai-design-iteration-study #stable-intro .station-intro {font-weight:400;}
#ai-design-iteration-study .is-dialog:is([data-chapter="0"],[data-chapter="2"],[data-chapter="3"]) .is-content-group {
 display:flex;flex-direction:column;flex:1 0 auto;
}
#ai-design-iteration-study .is-dialog:is([data-chapter="0"],[data-chapter="3"]) .station-visual-group,
#ai-design-iteration-study .is-dialog:is([data-chapter="0"],[data-chapter="3"]) .is-dialog-stage,
#ai-design-iteration-study .is-dialog:is([data-chapter="0"],[data-chapter="3"]) .is-general-scene {
 display:flex;flex-direction:column;flex:1 0 auto;
}
#ai-design-iteration-study .is-dialog:is([data-chapter="0"],[data-chapter="3"]) .station-intro {flex:none;}
#ai-design-iteration-study .is-dialog[data-chapter="0"] .artifact-lead {width:100%;margin-block:auto;flex:none;}
#ai-design-iteration-study .is-dialog[data-chapter="3"] .loop-canvas {margin-block:auto;flex:none;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .station-visual-group {display:flex;flex-direction:column;justify-content:center;flex:1 0 auto;}
#ai-design-iteration-study .is-dialog[data-chapter="2"] .is-dialog-stage {flex:none;}
#ai-design-iteration-study .is-player .deck-nav {background:#eaf3ff;color:#005bb8;}
#ai-design-iteration-study .is-player .deck-nav button {background:transparent;color:inherit;}
#ai-design-iteration-study .is-player .deck-nav .is-count {color:inherit;}
#ai-design-iteration-study .is-lost {background:#eaf3ff;color:#005bb8;}
#ai-design-iteration-study .rule-change small {font-size:14px;}

/* Shared blue emphasis retains readable map surfaces in every state. */
#ai-design-iteration-study .is-lost {border-left-color:#0071e3;}
#ai-design-iteration-study .close-thesis {background:#0071e3;color:#fff;}
#ai-design-iteration-study .close-thesis em {color:inherit;}
#ai-design-iteration-study .is-dialog-head .is-eyebrow {display:block;font:500 18px/28px 'Poppins',sans-serif;letter-spacing:normal;color:#005bb8;margin-bottom:8px;}
#ai-design-iteration-study .is-station[data-current],
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) {background:#f5f9ff;color:#303030;border-color:#0071e3;outline:1px solid #0071e3;}
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) small,
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) em {color:#595959;}
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) .is-station-prop i {background:#dbe8f6;}
#ai-design-iteration-study .is-station:is(:hover,:focus-visible) .is-station-prop i:last-child {background:#93b8df;}

#ai-design-iteration-study .is-dialog-head .content-subhead {display:block;margin:0 0 8px;}
#ai-design-iteration-study .is-group-head > span:first-child {display:flex;gap:20px;flex-wrap:wrap;}

#ai-design-iteration-study .loop-artwork {margin:auto;max-width:100%;width:min(100%,calc(92dvh - 299px));flex:none;}
#ai-design-iteration-study .loop-artwork img {display:block;width:100%;height:auto;background:#fff;}
@media(max-width:700px) {#ai-design-iteration-study .loop-artwork {width:100%;}}

/* First-visit cue stays attached to the map entry point. */
#ai-design-iteration-study .is-start-badge {position:absolute;top:-14px;right:10px;padding:5px 11px;border-radius:999px;background:#0071e3;color:#fff;font:500 12px/1.4 'Poppins',sans-serif;white-space:nowrap;box-shadow:0 2px 6px #0071e326;}