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.system-formula{max-width:790px;margin:25px 0 0;color:#91a8be;font-size:13px;line-height:1.8;position:relative;z-index:2}.system-formula span{color:#88def7;padding:0 5px}
.flow .flow-verification{font-size:12px;color:#91a8be;margin-top:14px}
.visitor-next{padding-top:15px;padding-bottom:65px}.visitor-next-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:55px;align-items:center;border-block:1px solid var(--line);padding:42px 0}.visitor-next h2{font-size:clamp(29px,3.5vw,49px);line-height:1.13}.visitor-next .eyebrow{margin-bottom:18px}.visitor-next-inner>div>p:not(.eyebrow){max-width:580px;margin-bottom:0}.visitor-actions{display:flex;flex-direction:column;align-items:flex-start;gap:15px}.diary-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 18px;border:1px solid #88def76b;border-radius:24px;background:#16354e;color:#e4f3fc;font-size:14px;max-width:100%}.diary-cta:hover{background:#1a4260}
@media(max-width:700px){.development-badge{border-radius:16px;gap:4px 8px;font-size:10px}.system-formula{font-size:12px;margin-top:18px}.visitor-next-inner{grid-template-columns:1fr;gap:28px;padding:30px 0}.visitor-next{padding-bottom:35px}.visitor-next h2{font-size:32px}.visitor-actions{align-items:stretch}.diary-cta{font-size:13px}}

/* PiX-approved, bounded Mark 1 polish. */
.author-note,.lab-story .lab-author-note{box-shadow:inset 0 1px 0 rgba(235,245,255,.14);background:radial-gradient(ellipse at 92% 0%,rgba(105,190,245,.07),transparent 55%),linear-gradient(100deg,#478ca818,transparent 80%)}
.topic[open] .topic-body{box-shadow:inset 0 1px 0 rgba(235,245,255,.14)}
.service-route .route-label{display:flex;align-items:baseline;gap:8px;color:#bccedf}.service-route .route-label .route-number{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums;font-weight:500;color:#69bef5}.service-route .route-label i{font-style:normal;color:rgba(145,168,190,.35)}.service-route .route-label>span{color:#bccedf}
#motion-toggle{display:inline-flex;align-items:center;gap:8px}#motion-toggle::before{content:'';display:block;flex:none;width:6px;height:6px;border-radius:50%;background:#69bef5;box-shadow:0 0 7px #69bef566}#motion-toggle[aria-pressed="true"]::before{background:#91a8be;box-shadow:none}.topbar nav a{display:inline-block}.topbar nav a,#motion-toggle,.diary-cta{transition:transform 170ms ease-out,background-color 170ms ease-out,border-color 170ms ease-out}.topbar nav a:active,#motion-toggle:active,.diary-cta:active{transform:scale(.975);transition-duration:75ms}
.visitor-next-inner{background:#132235;border:1px solid rgba(235,245,255,.12);border-radius:16px;padding:32px;box-shadow:inset 0 1px 0 rgba(235,245,255,.14)}
@media(max-width:700px){.visitor-next-inner{padding:24px}.topbar{column-gap:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.topbar nav a,#motion-toggle,.diary-cta{transition:none}.topbar nav a:active,#motion-toggle:active,.diary-cta:active{transform:none}}
.motion-paused .topbar nav a,.motion-paused #motion-toggle,.motion-paused .diary-cta{transition:none}.motion-paused .topbar nav a:active,.motion-paused #motion-toggle:active,.motion-paused .diary-cta:active{transform:none}.motion-paused{scroll-behavior:auto}
@media(max-width:1000px){}
@media(max-width:600px){}
/* Manual story: compact reading card; keyboard focus belongs to controls, not prose. */
#story-dialog{width:min(600px,calc(100% - 32px));max-height:calc(100svh - 32px);padding:0;border:1px solid #acd8fa30;border-radius:20px;color:var(--ink);background:linear-gradient(145deg,#102337,#0b1b2b 65%);box-shadow:0 28px 100px #0008,inset 0 1px 0 #ebf5ff0a;overflow:auto}
#story-dialog::backdrop{background:#020a14c9;backdrop-filter:blur(8px)}
.story-dialog-shell{padding:24px 30px 26px}.story-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.story-dialog-header p{margin:0;font-size:12px;font-weight:500;letter-spacing:.015em;color:#afc5d8}.story-dialog-header button{display:grid;place-items:center;flex:none;width:32px;height:32px;padding:0;border-radius:50%;border:1px solid transparent;background:transparent;color:#9db7cd}.story-dialog-header button:hover{background:#b1dcff0c;border-color:#b1dcff20;color:#ebf5ff}.story-dialog-header button span{font-size:24px;line-height:1;font-weight:300}
.story-progress{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;width:100px;margin:0 0 12px}.story-progress span{height:2px;border-radius:2px;background:#294056}.story-progress span.is-read{background:#78b8e2}.story-position{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.5;letter-spacing:.035em;color:#87a8c1;margin:0 0 18px}
.story-slides{min-height:0}.story-slide[hidden]{display:none}.story-slide h2{font-size:29px;font-weight:500;line-height:1.22;letter-spacing:-.035em;margin:0;max-width:490px}.story-slide p{font-size:15px;line-height:1.75;color:#b4c9dc;margin:18px 0 0;max-width:490px}
.story-controls{display:flex;justify-content:flex-end;gap:10px;margin-top:26px;padding-top:18px;border-top:1px solid #b1dcff12}.story-controls button{min-height:40px;padding:9px 16px;font-size:12px;font-weight:500;line-height:1.5;border-radius:9px;border:1px solid #acd8fa26;background:transparent}.story-controls button:hover:not(:disabled){background:#b1dcff0b;border-color:#acd8fa50}.story-controls button:disabled{opacity:.3;cursor:default}.story-controls #story-next{min-width:112px;background:#204662;border-color:#8ac9ef45}.story-controls #story-next:hover{background:#285575}.story-dialog-open{overflow:hidden}
#story-dialog button:focus-visible{outline:2px solid #88def7;outline-offset:3px}
@media(max-width:500px){#story-dialog{width:calc(100% - 28px);border-radius:17px}.story-dialog-shell{padding:20px 22px 22px}.story-dialog-header{margin-bottom:22px}.story-slide h2{font-size:26px;line-height:1.24;max-width:none}.story-slide p{font-size:14px;line-height:1.7;margin-top:16px}.story-slides{min-height:0}.story-controls{margin-top:20px;padding-top:16px;gap:8px}.story-controls button{padding:9px 12px;font-size:11px}.story-controls #story-next{min-width:102px}}

/* Exact owner-selected footer CSS from WEB-v28 document 04. */
.site-footer {
  padding: 24px 0 40px;
}


.footer-dock {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(22, 39, 58, 0.72) 0%, rgba(13, 24, 38, 0.88) 100%);
  border: 1px solid rgba(235, 245, 255, 0.11);
  box-shadow:
    inset 0 1px 0 rgba(235, 245, 255, 0.14),
    0 16px 36px rgba(4, 10, 18, 0.45);
  display: flex;
  flex-direction: column;
  gap: 14px;
}


.footer-top,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}


.footer-bottom {
  padding-top: 14px;
  border-top: 1px solid rgba(235, 245, 255, 0.07);
}


.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}


.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #EBF5FF;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
}


.footer-divider {
  width: 1px;
  height: 16px;
  background: rgba(188, 206, 223, 0.22);
}


.footer-subtitle {
  color: #BCCEDF;
  font-size: 14px;
  font-weight: 500;
}


.footer-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}


.footer-nav a:not(.footer-up-btn) {
  color: #BCCEDF;
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  transition: color 150ms ease;
}


.footer-nav a:not(.footer-up-btn):hover {
  color: #EBF5FF;
}


.footer-up-btn {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border-radius: 8px;
  background: rgba(30, 58, 86, 0.55);
  border: 1px solid rgba(188, 206, 223, 0.2);
  box-shadow: inset 0 1px 0 rgba(235, 245, 255, 0.12);
  color: #EBF5FF;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 75ms ease, background 150ms ease;
}


.footer-up-btn:active {
  transform: scale(0.975);
}


.footer-legal {
  margin: 0;
  color: #91A8BE;
  font-size: 12.5px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}


.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: rgba(20, 44, 68, 0.65);
  border: 1px solid rgba(105, 190, 245, 0.22);
  color: #BCCEDF;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}


.footer-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #69BEF5;
  box-shadow: 0 0 8px rgba(105, 190, 245, 0.65);
}


@media (max-width: 760px) {
  .footer-dock {
    padding: 18px 16px;
    border-radius: 16px;
  }
  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 40;
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 18px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(19, 34, 53, 0.82) 0%, rgba(11, 20, 32, 0.90) 100%);
  border: 1px solid rgba(235, 245, 255, 0.11);
  box-shadow:
    inset 0 1px 0 rgba(235, 245, 255, 0.14),
    0 12px 28px rgba(4, 10, 18, 0.42);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}


.topbar nav a {
  color: #BCCEDF;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 150ms ease, background-color 150ms ease, transform 75ms ease;
}


.topbar nav a:hover,
.topbar nav a[aria-current="true"],
.topbar nav a.active {
  color: #EBF5FF;
  background: rgba(105, 190, 245, 0.10);
}


.topbar nav a:active,
#motion-toggle:active {
  transform: scale(0.975);
}


#motion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 8px;
  background: rgba(25, 48, 72, 0.55);
  border: 1px solid rgba(188, 206, 223, 0.20);
  box-shadow: inset 0 1px 0 rgba(235, 245, 255, 0.12);
  color: #EBF5FF;
  font-size: 13px;
  font-weight: 500;
  transition: transform 75ms ease, background-color 150ms ease, border-color 150ms ease;
}


#motion-toggle::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #69BEF5;
  box-shadow: 0 0 8px rgba(105, 190, 245, 0.65);
  transition: background-color 150ms ease, box-shadow 150ms ease;
}


#motion-toggle[aria-pressed="true"]::before,
html.motion-paused #motion-toggle::before {
  background: #91A8BE;
  box-shadow: none;
}

.service-route > article {
  padding: 20px 22px;
  border-radius: 16px;
  background: linear-gradient(155deg, rgba(22, 39, 58, 0.52) 0%, rgba(13, 24, 38, 0.72) 100%);
  border: 1px solid rgba(235, 245, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(235, 245, 255, 0.12);
  transition: border-color 170ms ease, background-color 170ms ease, transform 170ms ease;
}


.service-route > article:hover {
  border-color: rgba(105, 190, 245, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(235, 245, 255, 0.18),
    0 12px 28px rgba(4, 10, 18, 0.35);
}


.service-route .route-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: #BCCEDF;
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}


.service-route .route-number {
  color: #69BEF5;
  font-weight: 600;
}


.service-route .route-label i {
  color: rgba(145, 168, 190, 0.38);
}

#timeline {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid rgba(163, 188, 211, 0.22);
  display: flex;
  flex-direction: column;
  gap: 14px;
}


.entry {
  position: relative;
  border-radius: 16px;
  background: rgba(18, 33, 50, 0.55);
  border: 1px solid rgba(235, 245, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(235, 245, 255, 0.10);
  transition: border-color 150ms ease, background-color 150ms ease;
}


.entry::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #183047;
  border: 1.5px solid #69BEF5;
  transition: background-color 150ms ease, box-shadow 150ms ease;
}


.entry:has(details[open]) {
  background: linear-gradient(145deg, rgba(23, 43, 66, 0.82) 0%, rgba(14, 26, 42, 0.92) 100%);
  border-color: rgba(105, 190, 245, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(235, 245, 255, 0.16),
    0 14px 32px rgba(4, 10, 18, 0.40);
}


.entry:has(details[open])::before {
  background: #69BEF5;
  box-shadow: 0 0 8px rgba(105, 190, 245, 0.65);
}


.entry time {
  font-size: 12.5px;
  color: #91A8BE;
  font-variant-numeric: tabular-nums;
}

:root {
  color-scheme: dark;
  scrollbar-color: #25435E #0B131E;
  scrollbar-width: thin;
}


::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}


::-webkit-scrollbar-track {
  background: #0B131E;
}


::-webkit-scrollbar-thumb {
  background: #25435E;
  border-radius: 999px;
  border: 2px solid #0B131E;
}


::-webkit-scrollbar-thumb:hover {
  background: #386288;
}


::selection {
  background: rgba(105, 190, 245, 0.26);
  color: #EBF5FF;
}

/* Existing component geometry and responsive/calm integration. */
.topbar{width:calc(100% - 24px)}
.service-route .route-label{letter-spacing:0}.service-route .route-label>span{font-size:inherit;letter-spacing:inherit}
.service-route{gap:20px}.service-route h3{margin-top:6px}.service-route>article>p:last-child{margin-bottom:0}
#timeline>.entry{padding:22px 24px;grid-template-columns:140px minmax(0,1fr);gap:24px}
.entry time{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.6;padding-top:0}
@media(max-width:700px){.topbar{padding:10px 12px;top:8px;gap:10px}.topbar nav{gap:0}.topbar nav a{padding:6px 4px;font-size:12px}.topbar #motion-toggle{font-size:11px;padding:0 10px}.service-route{gap:14px}#timeline{padding-left:18px}#timeline>.entry{padding:18px;grid-template-columns:minmax(0,1fr);gap:10px}.entry::before{left:-22px}.entry h4{font-size:21px}}
@media(prefers-reduced-motion:reduce){.topbar nav a:active,#motion-toggle:active{transform:none}}
html.motion-paused .topbar nav a:active,html.motion-paused #motion-toggle:active{transform:none}
/* Geometrically centred disclosure accent; no font-dependent offset. */
.topic summary>span{display:grid;place-items:center;width:20px;height:20px;min-width:20px;line-height:20px;font-size:0}
.topic summary>span::before{inset:auto;left:50%;top:50%;width:12px;height:26px;transform:translate(-50%,-50%);border-radius:1px;background:#0644ad}
.topic summary>span::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:10px;transform:translate(-50%,-50%);background:linear-gradient(currentColor,currentColor) center/10px 2px no-repeat,linear-gradient(currentColor,currentColor) center/2px 10px no-repeat;pointer-events:none}

/* Equal artwork frames; only empty side background of the landscape image is cropped. */
.verso-concept-image{aspect-ratio:1/1}.verso-concept-image img{object-fit:cover;object-position:center}
/* Native keyboard-accessible sort, with a centred CSS chevron and matched field metrics. */
.diary-controls label{font-size:12px;line-height:1.4;gap:8px}.diary-controls label:last-child{position:relative;min-width:190px}
.diary-controls input,.diary-controls select{height:44px;font-size:13px;line-height:1.4;padding:0 14px;border-radius:10px}
.diary-controls select{appearance:none;-webkit-appearance:none;padding-right:40px;background:#0e2234;cursor:pointer}
.diary-controls label:last-child::after{content:"";position:absolute;right:17px;bottom:19px;width:6px;height:6px;border-right:1.5px solid #a8c6dd;border-bottom:1.5px solid #a8c6dd;transform:rotate(45deg);pointer-events:none}
.diary-controls select:hover{border-color:#69bef566}.diary-controls select option{background:#0e2234;color:#c7e1f3}
.verso-concept-grid{grid-auto-rows:1fr}

/* Original PiX selection reference: centred blue plaque, 29 October. */
#timeline>.entry::before{left:-31.5px;top:50%;transform:translateY(-50%);box-sizing:border-box;width:12px;height:12px}
@media(max-width:700px){#timeline>.entry::before{left:-25.5px}}

.verso-concept-image{background:#071421}

/* Month archive: compact controls using the existing blue glass palette. */
.month-navigation{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0}
.month-navigation button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:11px 16px;min-height:44px;border-radius:12px;background:rgba(14,34,52,.55);font-size:13px;line-height:1.35;color:#a9c1d6;white-space:nowrap}
.month-navigation button span:first-child::first-letter{text-transform:uppercase}
.month-navigation button[aria-pressed="true"]{color:#ebf5ff;border-color:#69bef580;background:#18344b;box-shadow:inset 0 1px 0 #ebf5ff12}
.month-navigation .month-count{font-size:11px;font-variant-numeric:tabular-nums;color:#8acbf3;opacity:.85}
.month-navigation+.diary-controls{margin-top:20px;margin-bottom:16px}
#result-count::first-letter{text-transform:uppercase}
@media(max-width:700px){.month-navigation{gap:8px}.month-navigation button{padding:10px 12px;font-size:12px;gap:9px}.month-navigation+.diary-controls{gap:14px}}

/* Four concepts share one frame system; wrap without orphaned cards. */
@media(min-width:681px) and (max-width:1000px){.verso-concept-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}