/* Birthday pilot: loaded after legacy birthday components and common V2. */
body.bd-page.nuclear-v2 { height: auto; min-height: 100vh; overflow: visible; display: block; line-height: 1.5; }
body.bd-page.nuclear-v2 .site-header {
  padding-inline: var(--v2-gutter); min-height: 78px; gap: 20px;
  background: var(--header-bg); border-bottom: 1px solid var(--v2-line); backdrop-filter: blur(16px);
}
.nuclear-v2 .site-header::before, .nuclear-v2 .site-header::after { display: none; }
.nuclear-v2 .site-brand { column-gap: 9px; row-gap: 2px; color: var(--v2-ink); }
.nuclear-v2 .site-brand::after { color: var(--v2-muted); }
body.bd-page.nuclear-v2 .site-brand-text { display: block; font-size: 20px; letter-spacing: -.06em; font-weight: 800; }
.nuclear-v2 .site-brand-mark { color: var(--v2-ink); background: none; box-shadow: none; border: none; }
body.bd-page.nuclear-v2 .site-header-link { background: transparent; color: var(--v2-ink); border: none; border-radius: 0; padding-inline: 0; font-size: 12px; }
body.bd-page.nuclear-v2 .nuclear-search-dialog-trigger { color: var(--v2-ink); background: transparent; border-color: var(--v2-line); padding: 9px 16px; }
.bd-intro { position: relative; isolation: isolate; padding-block: 30px 50px; overflow: hidden; border-bottom: 1px solid var(--v2-line); }
.bd-intro-top, .bd-intro-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.bd-motion-toggle { background: none; border: none; border-bottom: 1px solid var(--brd); padding: 4px 0; font: inherit; font-size: 11px; cursor: pointer; color: var(--v2-ink); scroll-margin-top: 110px; }
.bd-motion-toggle:disabled { cursor: default; }
.bd-intro-composition { position: relative; min-height: 360px; display: flex; align-items: center; padding-block: 42px; }
.bd-intro h1 { position: relative; z-index: 1; margin: 0; font-family: var(--v2-display); font-size: clamp(62px, 7.8vw, 125px); line-height: .98; font-weight: 900; letter-spacing: -.075em; }
.bd-intro h1 > span { color: var(--acc-strong); }
.bd-intro-bottom p { font-size: 15px; line-height: 1.55; margin: 0; }
.bd-scroll-note { line-height: 1.9; text-align: right; }
.bd-orbit { position: absolute; width: clamp(220px, 26vw, 390px); aspect-ratio: 1; right: -25px; top: 50%; transform: translateY(-50%) rotate(-18deg); pointer-events: none; }
.bd-orbit-ring { position: absolute; inset: 4%; border: 1px solid color-mix(in srgb, var(--acc) 55%, transparent); border-radius: 50%; animation: bdV2Orbit 22s linear infinite; }
.bd-orbit-ring:nth-child(2) { inset: 16% 0; transform: rotate(60deg); animation-direction: reverse; }
.bd-orbit-ring:nth-child(3) { inset: 29% -5%; transform: rotate(-40deg); animation-duration: 30s; }
.bd-orbit-ring::after { content: ""; position: absolute; top: 10%; left: 14%; width: 17px; height: 17px; border-radius: 50%; background: var(--v2-ink); box-shadow: 0 0 0 6px color-mix(in srgb, var(--acc) 12%, transparent); }
.bd-orbit-core { position: absolute; inset: 31%; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 28% 22%, var(--story-orbit-highlight), var(--story-lime) 48%, var(--acc)); box-shadow: 12px 25px 45px color-mix(in srgb, var(--acc) 20%, transparent), inset -5px -8px 18px color-mix(in srgb, var(--bg) 25%, transparent); font-size: 57px; color: var(--story-stripe-text); }
.bd-orbit-caption { position: absolute; bottom: 0; right: 25%; transform: rotate(18deg); font-size: 9px; text-transform: uppercase; letter-spacing: .13em; line-height: 1.6; }
@keyframes bdV2Orbit { to { rotate: 360deg; } }
.bd-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.bd-section-heading h2 { font-family: var(--v2-display); font-size: clamp(36px, 4.3vw, 64px); font-weight: 900; letter-spacing: -.06em; line-height: 1.05; margin: 14px 0 0; }
.bd-section-heading h2 span { color: var(--acc); }
.bd-section-heading > p { color: var(--v2-muted); font-size: 13px; }
.bd-today-section { padding-top: 72px; padding-bottom: 80px; }
.nuclear-v2 .bd-live-timer { background: none; border: none; color: var(--v2-muted); text-align: right; padding: 0; font-size: 11px; }
.nuclear-v2 .bd-sidebar-controls { background: none; border: none; padding: 0 0 22px; align-items: center; gap: 12px; flex-wrap: wrap; }
.nuclear-v2 .bd-event-filter-wrap { flex: 1; align-items: center; gap: 12px; font-size: 11px; font-weight: 700; }
.nuclear-v2 .bd-event-filter { flex: 0 1 200px; min-height: 44px; width: auto; color: var(--v2-ink); background: transparent; border-color: var(--v2-line); font-size: 12px; padding-inline: 15px; }
.nuclear-v2 .bd-ctrl-btn { flex: 0 0 auto; min-height: 44px; padding-inline: 17px; background: transparent; color: var(--v2-ink); text-decoration: none; }
.nuclear-v2 .bd-ctrl-btn.is-active { background: var(--v2-accent); color: var(--story-stripe-text); }
.nuclear-v2 .bd-layout { display: grid; grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr); gap: 24px; overflow: visible; align-items: start; }
.nuclear-v2 .bd-layout.is-card-max { grid-template-columns: 1fr; }
.nuclear-v2 .bd-main { padding: 0; overflow: visible; gap: 20px; }
.nuclear-v2 .bd-card { border-radius: var(--v2-radius); border: 1px solid var(--brd); box-shadow: none; }
.nuclear-v2 .bd-hero, .nuclear-v2 .bd-card.is-idle .bd-hero, .nuclear-v2 .bd-hero.bd-hero-grid { padding: 36px; background: radial-gradient(ellipse at 100% 0, var(--ambient-glow-secondary), transparent 62%), var(--surf); }
.nuclear-v2 .bd-hero::before, .nuclear-v2 .bd-hero::after { display: none; }
.nuclear-v2 .bd-card .bd-age-number { color: var(--v2-accent); font-family: var(--v2-display); font-size: clamp(90px, 9vw, 140px); letter-spacing: -.08em; text-shadow: none; }
.nuclear-v2 .bd-card .bd-age-label { color: var(--mut); font-size: 20px; font-weight: 400; }
.nuclear-v2 .bd-age-row { margin-block: 8px 22px; gap: 18px; }
.nuclear-v2 .bd-unit-name { font-size: clamp(26px, 3vw, 44px); letter-spacing: -.05em; overflow-wrap: anywhere; }
.nuclear-v2 .bd-hero-link { border: none; }
.nuclear-v2 .bd-hero-link:hover { color: var(--v2-accent); }
.nuclear-v2 .bd-tag { color: var(--acc-strong); border-color: var(--control-hover-border); background: var(--accent-soft); font-size: 10px; }
.nuclear-v2 .bd-tag-dot { background: var(--v2-accent); }
.nuclear-v2 .bd-plant-line { color: var(--mut); }
.nuclear-v2 .bd-hero-meta { gap: 7px; margin-top: 24px; }
.nuclear-v2 .bd-meta-chip { color: var(--mut); background: var(--accent-soft); font-size: 10px; }
.nuclear-v2 .bd-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.nuclear-v2 .bd-metric { padding: 22px 18px; min-width: 0; }
.nuclear-v2 .bd-metric-value { font-size: 26px; letter-spacing: -.04em; overflow-wrap: anywhere; color: var(--v2-ink); }
.nuclear-v2 .bd-metric-label { color: var(--txt); }
.nuclear-v2 .bd-metric-slogan { color: var(--mut); }
.nuclear-v2 .bd-metric-symbol { min-height: 34px; }
.nuclear-v2 .bd-metric-icon { filter: none; }
.nuclear-v2 .nuclear-metric-animation { background: var(--surf2); }
.nuclear-v2 .nuclear-metric-animation-node, .nuclear-v2 .nuclear-metric-animation-step.is-output { background: var(--surf); border-color: var(--brd); box-shadow: none; }
.nuclear-v2 .nuclear-metric-animation-title { color: var(--acc-strong); }
.nuclear-v2 .nuclear-mobile-dock { background: var(--header-bg); border-color: var(--v2-line); box-shadow: 0 4px 30px color-mix(in srgb, var(--bg) 35%, transparent); }
.nuclear-v2 .nuclear-mobile-dock::before { display: none; }
.nuclear-v2 .nuclear-mobile-dock-link { color: var(--v2-ink); }
.nuclear-v2 .nuclear-mobile-dock-link[aria-current="page"] { background: var(--v2-accent); color: var(--story-stripe-text); }
.nuclear-v2 .bd-others { padding: 22px; }
.nuclear-v2 .bd-other-item { min-height: 48px; font-size: 13px; }
.nuclear-v2 .bd-others-title { font-size: 11px; }
.nuclear-v2 .bd-next-hint { border-radius: 0; border: none; border-bottom: 1px solid var(--v2-line); padding: 16px 0; background: transparent; }
.nuclear-v2 .bd-next-hint[hidden] { display: none; }
.nuclear-v2 .bd-next-hint-label { width: 100%; }
.nuclear-v2 .bd-sidebar { position: sticky; top: 100px; border: 1px solid var(--v2-line); border-radius: var(--v2-radius); overflow: hidden; max-height: none; background: var(--surf2); }
.bd-map-heading { padding: 22px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.bd-map-heading > span:last-child { font-size: 26px; }
.nuclear-v2 .bd-map-frame { height: 380px; min-height: 380px; flex: none; }
.bd-map-footer { padding: 20px 22px 26px; font-size: 12px; }
.bd-map-footer p { color: var(--v2-muted); margin: 0 0 10px; }
.bd-map-footer a { color: var(--v2-ink); text-underline-offset: 4px; font-weight: 700; }
.bd-story {
  --v2-accent: var(--story-stripe-text);
  --acc-strong: var(--story-stripe-text);
  --brd: var(--story-stripe-line);
  --mut: var(--story-stripe-muted);
  padding-block: 80px; background: var(--story-stripe-bg); color: var(--story-stripe-text); overflow: hidden;
}
.bd-story h2 { font-family: var(--v2-display); font-size: clamp(42px, 6vw, 88px); line-height: 1.03; letter-spacing: -.065em; margin: 35px 0 60px; }
.bd-story h2 span { color: var(--acc-strong); }
.bd-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; }
.bd-story-grid article { border-top: 1px solid var(--brd); padding-top: 26px; position: relative; }
.bd-story-number { font-size: 15px; color: var(--acc-strong); }
.bd-story-grid h3 { font-size: 30px; margin: 18px 0 15px; letter-spacing: -.045em; }
.bd-story-grid p { max-width: 470px; color: var(--mut); font-size: 15px; line-height: 1.8; margin-bottom: 28px; }
.bd-story-grid .v2-eyebrow { color: var(--v2-accent); }
.bd-calendar-section { padding-block: 80px; }
.nuclear-v2 .bd-week-header { padding: 18px 0; border-top: 1px solid var(--v2-ink); border-bottom: 1px solid var(--v2-line); }
.nuclear-v2 .bd-week-header-label { color: var(--v2-ink); font-size: 12px; }
.nuclear-v2 .bd-week-header-count { font-size: 12px; }
.nuclear-v2 .bd-week-list { overflow: visible; }
.nuclear-v2 .bd-week-group { display: grid; grid-template-columns: minmax(160px, .7fr) 2fr; gap: 32px; padding-block: 20px; }
.nuclear-v2 .bd-week-group-head { background: none; position: static; padding: 12px 0; display: block; }
.nuclear-v2 .bd-week-group-date { display: block; font-size: clamp(22px, 2.5vw, 36px); letter-spacing: -.06em; }
.nuclear-v2 .bd-week-group-when { display: block; margin-top: 4px; font-size: 12px; }
.nuclear-v2 .bd-week-unit-row { min-height: 48px; padding: 12px 8px; gap: 10px; font-size: 14px; border-bottom: 1px solid var(--brd); }
.nuclear-v2 .bd-week-unit-meta { font-size: 12px; }
.nuclear-v2 .bd-week-unit-name { white-space: normal; overflow-wrap: anywhere; }
.nuclear-v2 .bd-event-badge { font-size: 10px; }
.bd-about { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; padding-top: 40px; padding-bottom: 90px; }
.bd-about h2 { font-size: clamp(35px, 4vw, 58px); font-family: var(--v2-display); line-height: 1.08; letter-spacing: -.06em; margin-top: 18px; }
.bd-about p { font-size: 14px; color: var(--v2-muted); line-height: 1.8; }
.bd-about details { margin-top: 28px; border-block: 1px solid var(--v2-line); padding: 20px 0; }
.bd-about summary { cursor: pointer; font-size: 13px; font-weight: 700; }
.bd-about summary span { float: right; }
.bd-footer { padding-block: 32px; border-top: 1px solid var(--v2-line); display: flex; align-items: center; gap: 24px; flex-wrap: wrap; font-size: 12px; }
.bd-footer-brand { font-size: 22px; font-weight: 800; letter-spacing: -.055em; }
.bd-footer a { color: var(--v2-ink); text-decoration: none; }
.bd-footer nav { display: flex; gap: 24px; margin-left: auto; }
.bd-preview-return { margin-bottom: 24px; border-color: var(--acc-strong) !important; }
.nuclear-v2 .bd-idle-notice { background: none; border: none; padding: 0; box-shadow: none; }
.nuclear-v2 .bd-idle-notice::before { display: none; }
.nuclear-v2 .bd-idle-title { font-size: clamp(25px, 3vw, 42px); letter-spacing: -.04em; }
.nuclear-v2 .bd-idle-facts { margin-top: 16px; }
.nuclear-v2 .bd-last-mini { padding: 20px; }
.nuclear-v2 .bd-sim-banner { color: var(--warning-text); background: var(--warning-bg); border: none; }
@media (min-width: 1600px) { .bd-orbit { right: 20px; } }
@media (max-width: 1100px) {
  .bd-orbit { opacity: .65; right: -60px; }
  .bd-intro h1 { font-size: 8.6vw; }
  .nuclear-v2 .bd-layout { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
  .nuclear-v2 .bd-hero { padding: 26px; }
  .nuclear-v2 .bd-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.bd-page.nuclear-v2 .site-header { gap: 12px; }
}
@media (max-width: 780px) {
  body.bd-page.nuclear-v2 .site-header { min-height: 66px; }
  .bd-intro { padding-top: 22px; padding-bottom: 30px; }
  .bd-intro-top { align-items: start; gap: 12px; }
  .bd-intro-top .v2-eyebrow { max-width: 150px; line-height: 1.7; font-size: 9px; }
  .bd-motion-toggle { font-size: 10px; }
  .bd-intro-composition { min-height: 330px; align-items: start; padding-top: 35px; }
  .bd-intro h1 { font-size: clamp(44px, 13.5vw, 84px); max-width: 100%; }
  .bd-intro h1 > span { display: block; }
  .bd-orbit { width: 210px; right: -60px; top: 66%; opacity: .7; }
  .bd-orbit-core { font-size: 35px; }
  .bd-orbit-caption { display: none; }
  .bd-intro-bottom { align-items: start; flex-direction: column; gap: 24px; }
  .bd-intro-bottom p { font-size: 14px; }
  .bd-scroll-note { display: none; }
  .bd-today-section, .bd-calendar-section { padding-block: 48px; }
  .bd-section-heading { align-items: start; flex-direction: column; gap: 18px; }
  .bd-section-heading h2 { font-size: 39px; }
  .nuclear-v2 .bd-live-timer { text-align: left; }
  .nuclear-v2 .bd-event-filter-wrap { flex-basis: 100%; justify-content: space-between; }
  .nuclear-v2 .bd-ctrl-btn { font-size: 11px; padding-inline: 14px; }
  .nuclear-v2 .bd-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; gap: 28px; }
  .nuclear-v2 .bd-layout.is-card-max { grid-template-rows: auto; }
  body.bd-page.nuclear-v2 .bd-layout .bd-sidebar { position: static; max-height: none; }
  .nuclear-v2 .bd-map-frame { height: 300px; min-height: 300px; }
  .nuclear-v2 .bd-hero, .nuclear-v2 .bd-card.is-idle .bd-hero, .nuclear-v2 .bd-hero.bd-hero-grid { padding: 24px 20px; }
  .nuclear-v2 .bd-card .bd-age-number { font-size: 100px; }
  .nuclear-v2 .bd-card .bd-age-label { font-size: 16px; }
  .nuclear-v2 .bd-metric { padding: 16px 12px; }
  .nuclear-v2 .bd-metric-value { font-size: 22px; }
  .nuclear-v2 .bd-others { padding: 18px 14px; }
  .nuclear-v2 .bd-other-item { flex-wrap: wrap; gap: 6px; padding-block: 12px; }
  .nuclear-v2 .bd-other-country, .nuclear-v2 .bd-other-status { display: none; }
  .nuclear-v2 .bd-other-age { font-size: 10px; padding-left: 0; }
  .bd-story { padding-block: 52px; }
  .bd-story h2 { font-size: 44px; margin: 24px 0 36px; }
  .bd-story-grid, .bd-about { grid-template-columns: 1fr; gap: 32px; }
  .bd-story-grid h3 { font-size: 28px; }
  .nuclear-v2 .bd-week-group { grid-template-columns: 1fr; gap: 4px; padding-block: 14px; }
  .nuclear-v2 .bd-week-group-head { display: flex; align-items: center; }
  .nuclear-v2 .bd-week-unit-row { font-size: 12px; gap: 6px; padding-inline: 0; }
  .nuclear-v2 .bd-week-unit-meta { font-size: 10px; padding-left: 0; }
  .nuclear-v2 .bd-week-unit-row .bd-event-badge { font-size: 8px; }
  .bd-about { padding-top: 10px; padding-bottom: 48px; gap: 0; }
  .bd-footer { align-items: start; flex-direction: column; gap: 12px; }
  .bd-footer nav { margin-left: 0; gap: 20px; flex-wrap: wrap; }
  .nuclear-v2 .bd-last-mini { padding: 16px; }
  .nuclear-v2 .bd-last-mini-plant { display: none; }
}