:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #58697b;
  --navy: #0b203a;
  --blue: #116dff;
  --blue-dark: #0752c7;
  --sky: #eaf3ff;
  --line: #d5deea;
  --paper: #fff;
  --warm: #f6f3eb;
  --danger: #8b2c23;
  --success: #17663b;
  --focus: #005fcc;
  font-family: Barlow, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; min-width: 0; background: var(--paper); font-size: 1rem; line-height: 1.58; overflow-wrap: anywhere; }
a { color: var(--blue-dark); }
a:hover { color: var(--navy); }
a:focus-visible, button:focus-visible, textarea:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; box-shadow: 0 0 0 6px #fff; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.1; }
h1 { max-width: 16ch; font-size: clamp(2.3rem, 7vw, 5.6rem); letter-spacing: -.055em; }
h2 { font-size: clamp(1.65rem, 4vw, 2.8rem); letter-spacing: -.035em; }
h3 { font-size: 1.2rem; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .7rem 1rem; background: #fff; border: 2px solid var(--navy); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.preview-bar { padding: .65rem 1rem; background: #fff2bd; text-align: center; font-weight: 700; }
.preview-bar a { margin-left: .75rem; }
.conference-shell { min-height: 100vh; }
.conference-rail { position: fixed; inset: 0 auto 0 0; z-index: 10; width: 18rem; overflow-y: auto; padding: 2rem 1.5rem; color: #f2f7ff; background: var(--navy) url("/static/images/build-groups/conference-neutral.9fc330bdad54.svg") center bottom/cover no-repeat; }
.brand-link { display: inline-block; padding: .45rem; background: #fff; border-radius: .5rem; }
.brand-link img { width: 11.5rem; }
.rail-kicker, .eyebrow { text-transform: uppercase; letter-spacing: .13em; font-size: .76rem; font-weight: 800; }
.rail-kicker { margin: 2rem 0 .75rem; color: #a9c9ff; }
.guide-tabs { display: grid; gap: .45rem; }
.guide-tabs a { display: flex; gap: .8rem; align-items: center; min-height: 3rem; padding: .65rem .8rem; border: 1px solid transparent; border-radius: .45rem; color: #f5f8fd; font-weight: 750; text-decoration: none; }
.guide-tabs a span { color: #8ebaff; font-size: .72rem; }
.guide-tabs a:hover, .guide-tabs a[aria-current="page"] { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.3); }
.guide-tabs a[aria-current="page"] { box-shadow: inset .25rem 0 var(--blue); }
.rail-facts { margin-top: 2rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.23); font-size: .88rem; }
.rail-facts p { margin-bottom: .65rem; }
.rail-actions { display: grid; gap: .5rem; margin-top: 1.5rem; }
.rail-actions a { color: #bcd6ff; }
.conference-main { margin-left: 18rem; min-height: 100vh; overflow: hidden; }
.conference-main > * { max-width: 76rem; margin-inline: auto; }
.offline-banner, .success-message, .conflict-message { margin: 0; max-width: none; padding: .75rem clamp(1.25rem,5vw,5rem); font-weight: 700; }
.offline-banner { background: #fff2bd; color: #463800; }
.success-message { background: #dff4e7; color: var(--success); }
.conflict-message { background: #fde8e5; color: var(--danger); }
.event-header, .page-header, .session-detail { position: relative; padding: clamp(3rem,8vw,7rem) clamp(1.25rem,7vw,7rem); }
.breakouts-header-image img { width: 100%; height: auto; aspect-ratio: 1619/582; }
.breakouts-header-image + .page-header { padding-block: clamp(1.5rem,4vw,3rem); }
.breakouts-header-image + .page-header h1 { margin-bottom: 1rem; }
.breakouts-header-image + .page-header > p:last-child { margin-bottom: 0; }
.event-header { max-width: none; background: linear-gradient(135deg,var(--warm) 0 60%,var(--sky) 60%); }
.event-header:after { content: ""; position: absolute; right: clamp(1rem,5vw,5rem); top: clamp(1rem,5vw,5rem); width: clamp(4rem,10vw,8rem); aspect-ratio: 1; border: clamp(.55rem,1.2vw,1rem) solid var(--blue); border-radius: 50%; opacity: .8; }
.event-summary, .page-header > p:not(.eyebrow) { max-width: 46rem; font-size: clamp(1.05rem,2vw,1.35rem); color: var(--muted); }
.eyebrow { color: var(--blue-dark); margin-bottom: .7rem; }
.event-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; max-width: 55rem; margin: 2.4rem 0; background: var(--line); border: 1px solid var(--line); }
.event-facts div { padding: 1rem; background: #fff; }
.event-facts dt { margin-bottom: .25rem; color: var(--muted); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.event-facts dd { margin: 0; font-weight: 700; }
.official-actions, .editor-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button, button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.85rem; padding: .7rem 1rem; border: 2px solid var(--navy); border-radius: .3rem; background: #fff; color: var(--navy); font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; }
.button-primary, button.button-primary { border-color: var(--blue); background: var(--blue); color: #fff; }
.button-primary:hover { border-color: var(--blue-dark); background: var(--blue-dark); color: #fff; }
.button-secondary { background: transparent; }
.button-disabled { border-color: #8795a5; background: #eef1f5; color: #465566; cursor: not-allowed; }
.link-fallback { max-width: 48rem; margin: 1rem 0 0; color: var(--muted); font-size: .9rem; }
.content-section, .schedule-panel, .honest-panel, .training-curriculum, .history, .editor-form, .state-note, .person-detail { padding: clamp(2.5rem,6vw,5rem) clamp(1.25rem,7vw,7rem); }
.section-heading { display: grid; grid-template-columns: minmax(12rem,.8fr) minmax(16rem,1.2fr); gap: 2rem; align-items: end; margin-bottom: 2rem; }
.section-heading h2, .section-heading > p { margin-bottom: 0; }
.section-heading > p { color: var(--muted); }
.keynote-section .section-heading, .lineup-section .section-heading { display: block; }
.keynote-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(1.25rem,3vw,2rem); }
.keynote-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: .65rem; background: #fff; }
.keynote-card:hover { border-color: var(--blue); }
.keynote-card:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; box-shadow: 0 0 0 6px #fff; }
.keynote-link { display: grid; grid-template-rows: auto 1fr; height: 100%; color: var(--navy); text-decoration: none; }
.keynote-link:focus-visible { outline: 0; box-shadow: none; }
.keynote-portrait { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 310/335; overflow: hidden; background: var(--sky); }
.keynote-portrait .speaker-placeholder { width: 100%; height: 100%; border-radius: 0; font-size: clamp(4rem,10vw,7rem); }
.keynote-portrait .speaker-photo { object-position: center 20%; }
.keynote-caption { display: grid; align-content: start; gap: .65rem; padding: clamp(1rem,2vw,1.5rem); }
.keynote-caption strong { font-size: clamp(1.3rem,2.4vw,1.8rem); line-height: 1.2; }
.keynote-update { color: var(--muted); font-size: .95rem; }
.session-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.session-card { min-width: 0; border: 1px solid var(--line); border-radius: .65rem; background: #fff; box-shadow: 0 .75rem 2rem rgba(11,32,58,.07); }
.session-card:hover { border-color: var(--blue); box-shadow: 0 1rem 2.5rem rgba(17,109,255,.13); }
.card-link { display: grid; grid-template-columns: 4.3rem minmax(0,1fr) auto; gap: 1rem; align-items: center; min-height: 9rem; padding: 1.15rem; color: var(--ink); text-decoration: none; }
.speaker-portrait { position: relative; display: grid; place-items: center; width: 4.3rem; aspect-ratio: 1; overflow: hidden; border-radius: 50%; background: var(--sky); }
.speaker-placeholder { display: grid; place-items: center; width: 4.3rem; aspect-ratio: 1; border-radius: 50%; background: var(--sky); color: var(--blue-dark); font-size: 2rem; font-weight: 900; }
.speaker-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.speaker-portrait.large { width: 12rem; aspect-ratio: 310/335; margin-bottom: 2rem; border-radius: .8rem; }
.speaker-portrait.large .speaker-placeholder.large { width: 100%; height: 100%; margin: 0; border-radius: 0; font-size: 3rem; }
.card-copy { display: grid; gap: .25rem; min-width: 0; }
.card-copy strong { color: var(--navy); font-size: 1.25rem; }
.card-copy > span:not(.session-kind):not(.status-chip) { color: var(--muted); }
.session-kind { color: var(--blue-dark); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.card-arrow { color: var(--blue-dark); font-weight: 800; }
.status-chip { justify-self: start; padding: .2rem .5rem; border-radius: 99rem; background: #fde8e5; color: var(--danger); font-size: .78rem; font-weight: 800; }
.is-withdrawn { background: #faf8f7; }
.lineup-section { padding-top: 1rem; }
.lineup-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(min(100%,14rem),1fr)); gap: 1rem; }
.lineup-card { min-width: 0; border: 1px solid var(--line); border-radius: .65rem; background: #fff; box-shadow: 0 .75rem 2rem rgba(11,32,58,.07); }
.lineup-card:hover { border-color: var(--blue); box-shadow: 0 1rem 2.5rem rgba(17,109,255,.13); }
.lineup-card:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; box-shadow: 0 0 0 6px #fff; }
.lineup-card > a:focus-visible { outline: 0; box-shadow: none; }
.lineup-card > a { display: grid; grid-template-rows: auto 1fr; height: 100%; color: var(--ink); text-decoration: none; }
.lineup-portrait, .person-portrait { position: relative; display: grid; place-items: center; aspect-ratio: 310/335; overflow: hidden; background: var(--sky); }
.lineup-portrait { border-radius: .6rem .6rem 0 0; }
.lineup-portrait .speaker-placeholder, .person-portrait .speaker-placeholder { width: 100%; height: 100%; border-radius: 0; font-size: clamp(2.5rem,6vw,4.5rem); }
.lineup-copy { display: grid; align-content: start; gap: .4rem; padding: 1rem; }
.lineup-copy strong { color: var(--navy); font-size: 1.15rem; }
.lineup-copy > span:not(.card-arrow) { color: var(--muted); font-size: .9rem; }
.lineup-copy .card-arrow { margin-top: .35rem; }
.schedule-panel { max-width: none; background: var(--navy); color: #eaf1fa; }
.schedule-panel h2, .schedule-panel h3 { color: #fff; }
.schedule-panel .eyebrow { color: #8ebaff; }
.day-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.day-grid article { padding: 1.4rem; border: 1px solid rgba(255,255,255,.25); border-radius: .5rem; }
.state-note { background: #e7f6ec; }
.state-note > * { max-width: 50rem; }
.empty-state { grid-column: 1/-1; padding: 2rem; border: 1px dashed var(--line); color: var(--muted); }
.honest-panel { margin: 0 clamp(1.25rem,7vw,7rem) 4rem; padding: 2rem; background: var(--warm); border-left: .35rem solid var(--blue); }
.training-hero { display: grid; grid-template-columns: minmax(15rem,25rem) minmax(0,1fr); gap: clamp(2.5rem,7vw,6rem); align-items: center; max-width: none; padding: clamp(3rem,7vw,6.5rem) clamp(1.25rem,7vw,7rem); background: linear-gradient(135deg,#f6f3eb 0 54%,#eaf3ff 54%); }
.training-book-stage { position: relative; display: grid; place-items: center; padding: clamp(1.2rem,4vw,2.5rem); }
.training-book-stage:before { content: ""; position: absolute; inset: 6% 0 0 12%; border: .7rem solid var(--blue); border-radius: 50%; opacity: .72; }
.training-book-cover { position: relative; width: min(100%,20rem); border: 1px solid rgba(11,32,58,.16); box-shadow: 1.2rem 1.5rem 0 rgba(11,32,58,.12), 0 1.5rem 3rem rgba(11,32,58,.18); }
.training-hero-copy { position: relative; max-width: 42rem; }
.training-hero h1 { max-width: 14ch; margin-bottom: .65rem; font-size: clamp(2.5rem,5.2vw,4.8rem); }
.training-byline { margin-bottom: 1rem; color: var(--blue-dark); font-size: 1rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.training-lead { max-width: 38rem; margin-bottom: 2rem; color: var(--muted); font-size: clamp(1.05rem,2vw,1.3rem); }
.training-offer { max-width: 38rem; padding: clamp(1.3rem,3vw,2rem); border-top: .35rem solid var(--blue); background: #fff; box-shadow: 0 1rem 2.5rem rgba(11,32,58,.11); }
.training-offer h2 { margin-bottom: .75rem; font-size: clamp(1.55rem,3vw,2.2rem); }
.training-offer > p:not(.training-price):not(.training-offer-label):not(.training-checkout-note) { color: var(--muted); }
.training-offer-label { margin-bottom: .35rem; color: var(--blue-dark); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.training-price { display: flex; gap: .65rem; align-items: baseline; margin-bottom: .55rem; color: var(--navy); }
.training-price strong { font-size: clamp(2.1rem,4vw,3.15rem); line-height: 1; letter-spacing: -.045em; }
.training-price span { color: var(--muted); font-weight: 800; }
.training-cta { min-height: 3.35rem; padding-inline: 1.25rem; }
.training-checkout-note, .training-book-note { color: var(--muted); font-size: .86rem; }
.training-checkout-note { margin: .85rem 0 0; }
.training-book-note { max-width: 38rem; margin: 1rem 0 0; }
.training-curriculum { background: #fff; }
.training-feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.training-feature-grid article { min-width: 0; padding: clamp(1.3rem,3vw,2rem); background: #fff; }
.training-feature-grid article p:last-child { margin-bottom: 0; color: var(--muted); }
.training-feature-number { margin-bottom: 1.5rem; color: var(--blue-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.session-detail, .person-detail { max-width: 68rem; }
.person-hero { display: grid; grid-template-columns: minmax(12rem,19rem) minmax(0,1fr); gap: clamp(2rem,5vw,4rem); align-items: center; }
.person-role { max-width: 38rem; color: var(--muted); font-size: clamp(1.05rem,2vw,1.3rem); }
.back-link { display: inline-block; margin-bottom: 3rem; font-weight: 800; }
.detail-list { display: grid; gap: 1px; margin: 2rem 0; background: var(--line); border: 1px solid var(--line); }
.detail-list div { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 1rem; background: #fff; }
.detail-list dt { font-weight: 800; }
.detail-list dd { margin: 0; }
.session-description { max-width: 65ch; margin-block: 2.5rem; }
.session-description h2 { font-size: clamp(1.5rem,3vw,2rem); }
.session-description p { margin-bottom: 1.2rem; }
.withdrawn-notice { padding: 1.4rem; border-left: .35rem solid var(--danger); background: #fde8e5; }
.source-note, .field-help { color: var(--muted); }
.guide-footer { max-width: none; padding: 1.5rem clamp(1.25rem,7vw,7rem); border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.guide-footer p { margin-bottom: .3rem; }
.print-controls { padding: 1rem clamp(1.25rem,7vw,7rem) 0; }
.print-guide { padding: 2rem clamp(1.25rem,7vw,7rem) 5rem; max-width: 50rem; }
.print-guide section { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.editor-header { padding-bottom: 2rem; }
.editor-form { padding-top: 0; }
.editor-form label, .rollback-form label { display: block; margin: 1rem 0 .35rem; font-weight: 800; }
.editor-form textarea, .rollback-form textarea { width: 100%; max-width: 72rem; padding: .75rem; border: 1px solid #8795a5; border-radius: .3rem; font: .9rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace; }
.editor-form textarea[name="source_note"], .rollback-form textarea { font-family: inherit; }
.editor-actions { margin-top: 1rem; }
.form-errors { max-width: 72rem; margin: .5rem 0; padding: .75rem; background: #fde8e5; color: var(--danger); }
.history { border-top: 1px solid var(--line); }
.history-list { display: grid; gap: 1rem; }
.history-list > article { padding: 1.25rem; border: 1px solid var(--line); border-radius: .4rem; }
.history-list p { margin-bottom: .45rem; }
.rollback-form { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .conference-rail { position: static; width: auto; padding: 1rem; background-position: center; }
  .brand-link img { width: 8.8rem; }
  .rail-kicker, .rail-facts { display: none; }
  .guide-tabs { grid-template-columns: repeat(5,minmax(0,1fr)); margin-top: 1rem; }
  .guide-tabs a { justify-content: center; text-align: center; }
  .rail-actions { grid-template-columns: 1fr 1fr; }
  .conference-main { margin-left: 0; }
  .event-header:after { opacity: .18; }
}
@media (max-width: 620px) {
  .keynote-grid { grid-template-columns: 1fr; }
  .guide-tabs { grid-template-columns: 1fr; }
  .guide-tabs a { justify-content: flex-start; }
  .rail-actions, .event-facts, .section-heading, .session-grid, .day-grid, .training-hero, .training-feature-grid, .person-hero { grid-template-columns: 1fr; }
  .event-header { background: var(--warm); }
  .card-link { grid-template-columns: 3.5rem minmax(0,1fr); }
  .speaker-portrait, .speaker-placeholder { width: 3.5rem; }
  .card-arrow { grid-column: 2; }
  .training-hero { gap: 2.5rem; background: var(--warm); }
  .training-book-stage { max-width: 17rem; margin-inline: auto; }
  .training-book-stage:before { opacity: .4; }
  .training-hero h1 { font-size: clamp(2.35rem,13vw,3.7rem); }
  .training-cta { width: 100%; text-align: center; }
  .detail-list div { grid-template-columns: 1fr; gap: .2rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  @page { margin: .6in; }
  body { color: #000; font-size: 11pt; }
  .conference-rail, .offline-banner, .preview-bar, .print-controls, .guide-footer { display: none !important; }
  .conference-main { margin: 0; }
  .print-guide { max-width: none; padding: 0; }
  .print-guide h1 { font-size: 28pt; }
  a { color: #000; text-decoration: none; }
}