/* AITC 2026 — public schedule (schedule.php) — light neutral theme */

body.theme-home-light .sch-page {
  --sch-bg: #f8f9fa;
  --sch-card: #ffffff;
  --sch-border: #e2e8f0;
  --sch-text: #1e293b;
  --sch-muted: #64748b;
  --sch-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 6px 20px rgba(15, 23, 42, 0.06);
  background: var(--sch-bg);
  color: var(--sch-text);
  padding-bottom: calc(4rem + env(safe-area-inset-bottom, 0px));
}

body.theme-home-light .sch-page .sch-hero {
  margin-bottom: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

body.theme-home-light .sch-page .sch-hero h1 {
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  font-weight: 700;
  color: var(--sch-text) !important;
  margin: 0 0 0.35rem;
  text-align: center;
}

body.theme-home-light .sch-page .sch-hero__eyebrow {
  margin-bottom: 0.5rem;
  color: var(--sch-muted) !important;
}

body.theme-home-light .sch-page .sch-venue-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sch-muted);
  background: #fff;
  border: 1px solid var(--sch-border);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  box-shadow: var(--sch-shadow);
}

body.theme-home-light .sch-page .sch-venue-chip .sch-venue-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #94a3b8;
  flex-shrink: 0;
}

body.theme-home-light .sch-page .sch-hero-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

body.theme-home-light .sch-page .sch-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  border: 1px solid #c5a052;
  background: #fff;
  color: #00215b;
  text-decoration: none;
  box-shadow: var(--sch-shadow);
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

body.theme-home-light .sch-page .sch-download-btn svg {
  flex-shrink: 0;
  color: #c5a052;
}

body.theme-home-light .sch-page .sch-download-btn__copy {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.2;
  min-width: 0;
}

body.theme-home-light .sch-page .sch-download-btn__copy strong {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

body.theme-home-light .sch-page .sch-download-btn__copy span {
  font-size: 0.62rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

body.theme-home-light .sch-page .sch-download-btn:hover {
  background: #fbf8f2;
  border-color: #b89150;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
  transform: translateY(-1px);
}

body.theme-home-light .sch-page .sch-download-btn:focus-visible {
  outline: 2px solid #c5a052;
  outline-offset: 2px;
}

body.theme-home-light .sch-page .sch-download-btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

body.theme-home-light .sch-page .sch-download-btn.is-locked {
  border-color: #cbd5e1;
}

body.theme-home-light .sch-page .sch-download-btn.is-locked .sch-download-btn__copy span {
  color: #94a3b8;
}

body.theme-home-light .sch-page .sch-download-bar {
  display: none;
  margin: 0 0 0.75rem;
}

body.theme-home-light .sch-page .sch-download-btn--bar {
  width: 100%;
  justify-content: center;
  min-height: 48px;
  border-radius: 12px;
}

body.theme-home-light .sch-page .sch-btn-outline {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--sch-border);
  background: #fff;
  color: var(--sch-text);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  box-shadow: var(--sch-shadow);
}

body.theme-home-light .sch-page .sch-btn-outline:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
  color: var(--sch-text);
}

body.theme-home-light .sch-page .sch-nav-sticky {
  position: sticky;
  top: 4.25rem;
  z-index: 30;
  margin-bottom: 1.25rem;
  padding: 0.75rem;
  margin-left: -0.75rem;
  margin-right: -0.75rem;
  background: #fff;
  border: 1px solid var(--sch-border);
  border-radius: 12px;
  box-shadow: var(--sch-shadow);
}

body.theme-home-light .sch-page .sch-day-pills {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0.2rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

body.theme-home-light .sch-page .sch-day-pills::-webkit-scrollbar {
  display: none;
}

body.theme-home-light .sch-page .sch-day-pill {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--sch-border);
  background: #fff;
  color: var(--sch-muted);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, color 0.2s, background 0.2s;
  font-family: inherit;
}

body.theme-home-light .sch-page .sch-day-pill.is-active {
  border-color: #94a3b8;
  background: #f1f5f9;
  color: var(--sch-text);
  box-shadow: none;
}

body.theme-home-light .sch-page .sch-day-pill .num {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
  color: inherit;
}

body.theme-home-light .sch-page .sch-day-pill .meta {
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
}

body.theme-home-light .sch-page .sch-day-panel {
  display: none;
  animation: sch-fade-up 0.35s ease both;
}

body.theme-home-light .sch-page .sch-day-panel.is-active {
  display: block;
}

body.theme-home-light .sch-page .sch-day-panel h2,
body.theme-home-light .sch-page .sch-day-panel__title {
  color: var(--sch-text) !important;
  border-bottom-color: var(--sch-border) !important;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.75rem;
}

.sch-day-subject {
  display: inline-block;
  font-family: Inter, system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
  color: #00215b;
  letter-spacing: -0.01em;
}
.sch-day-subject::before {
  content: '·';
  margin: 0 0.45rem 0 0.15rem;
  color: #94a3b8;
  font-weight: 500;
}
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: #00215b;
  font-family: Inter, system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

body.theme-home-light .sch-page .sch-timeline {
  position: relative;
  padding-left: 1.35rem;
}

body.theme-home-light .sch-page .sch-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 1px;
  background: var(--sch-border);
}

body.theme-home-light .sch-page .sch-time-block {
  position: relative;
  margin-bottom: 0.85rem;
}

body.theme-home-light .sch-page .sch-time-block:last-child {
  margin-bottom: 0;
}

body.theme-home-light .sch-page .sch-time-dot {
  position: absolute;
  left: -1.42rem;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--sch-dot, #94a3b8);
  background: #fff;
  z-index: 1;
}

body.theme-home-light .sch-page .sch-time-label {
  font-family: ui-monospace, 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sch-muted);
  margin-bottom: 0.45rem;
  padding-left: 0.15rem;
}

body.theme-home-light .sch-page .sch-parallel {
  display: grid;
  gap: 0.55rem;
}

@media (min-width: 720px) {
  body.theme-home-light .sch-page .sch-parallel--multi {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

body.theme-home-light .sch-page .sch-session {
  position: relative;
  border-radius: 12px;
  border: 1px solid var(--sch-border);
  background: var(--sch-card);
  padding: 0.85rem 1rem 0.85rem 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  overflow: hidden;
  box-shadow: var(--sch-shadow);
}

body.theme-home-light .sch-page .sch-session::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--sch-accent, #7a9fd4);
  border-radius: 3px 0 0 3px;
}

@media (hover: hover) {
  body.theme-home-light .sch-page .sch-session:hover {
    border-color: #cbd5e1;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  }
}

body.theme-home-light .sch-page .sch-session--keynote::before {
  background: #d4af37;
}

body.theme-home-light .sch-page .sch-session-badge {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  display: inline-block;
}

body.theme-home-light .sch-page .sch-session--keynote .sch-session-badge { color: #92710a; }
body.theme-home-light .sch-page .sch-session--lab .sch-session-badge { color: #3b6ea8; }
body.theme-home-light .sch-page .sch-session--workshop .sch-session-badge { color: #c2410c; }
body.theme-home-light .sch-page .sch-session--break .sch-session-badge { color: #475569; }
body.theme-home-light .sch-page .sch-session--social .sch-session-badge { color: #15803d; }
body.theme-home-light .sch-page .sch-session--panel .sch-session-badge { color: #6d28d9; }

body.theme-home-light .sch-page .sch-session-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--sch-text);
  line-height: 1.35;
  margin: 0 0 0.4rem;
}

body.theme-home-light .sch-page .sch-session--keynote .sch-session-title {
  font-size: 1rem;
  font-weight: 700;
}

body.theme-home-light .sch-page .sch-session-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  font-size: 0.72rem;
  color: var(--sch-muted);
}

body.theme-home-light .sch-page .sch-session-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

body.theme-home-light .sch-page .sch-dur-pill {
  font-size: 0.62rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--sch-muted);
  border: 1px solid var(--sch-border);
}

/* PWA / mobile tab bar */
body.aitc-has-tabbar .sch-page .sch-nav-sticky {
  top: calc(3.25rem + env(safe-area-inset-top, 0px));
}

body.aitc-has-tabbar .sch-page {
  padding-top: 0.75rem !important;
  padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0px)) !important;
}

body.aitc-has-tabbar .sch-page .sch-hero__eyebrow,
body.aitc-has-tabbar .sch-page .sch-hero__desc {
  display: none;
}

body.aitc-has-tabbar .sch-page .sch-venue-chip,
body.aitc-has-tabbar .sch-page .sch-hero-actions {
  display: none;
}

body.aitc-has-tabbar .sch-page .sch-download-bar {
  display: block !important;
}

@media (max-width: 1023px) {
  .sch-page .sch-hero,
  .sch-page .sch-hero h1,
  .sch-hero__title {
    display: none !important;
  }

  body.theme-home-light .sch-page .sch-download-bar {
    display: block !important;
  }

  body.theme-home-light .sch-page .sch-download-btn--bar {
    pointer-events: auto;
    opacity: 1;
  }
}

@keyframes sch-fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.theme-home-light .sch-page .sch-day-panel {
    animation: none;
  }
}

@media (max-width: 639px) {
  body.theme-home-light .sch-page .sch-hero-actions {
    width: 100%;
  }

  body.theme-home-light .sch-page .sch-btn-outline {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  body.theme-home-light .sch-page .sch-download-btn--bar {
    min-height: 46px;
    padding: 0.55rem 0.85rem;
  }

  body.theme-home-light .sch-page .sch-download-btn__copy strong {
    font-size: 0.74rem;
  }

  body.theme-home-light .sch-page .sch-nav-sticky {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    padding: 0.65rem;
  }
}

@media (min-width: 640px) {
  body.theme-home-light .sch-page .sch-nav-sticky {
    margin-left: 0;
    margin-right: 0;
  }
}