#ssast-program.ssast-program {
  --ssast-accent: #00a6eb;
  --ssast-ink: #2f3542;
  --ssast-muted: #535f6d;
  --ssast-pale: #edf9ff;
  --ssast-line: #d8e8ef;
  --ssast-sticky-top: 0px; /* Na webe s pevnou hlavičkou nastavte jej výšku. */
  --ssast-anchor-offset: calc(var(--ssast-sticky-top) + 104px);
  width: 100%;
  color: var(--ssast-ink);
  font-family: inherit;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

#ssast-program *,
#ssast-program *::before,
#ssast-program *::after {
  box-sizing: border-box;
}

#ssast-program.ssast-program,
#ssast-program .ssast-program__section {
  scroll-margin-top: var(--ssast-anchor-offset);
}

#ssast-program .ssast-program__nav {
  position: sticky;
  top: var(--ssast-sticky-top);
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 36px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ssast-line);
  background: #fff;
  box-shadow: 0 6px 16px -12px rgba(47, 53, 66, 0.35);
}

#ssast-program .ssast-program__nav a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 10px 28px;
  border: 1px solid var(--ssast-accent);
  border-radius: 6px;
  background: var(--ssast-pale);
  color: var(--ssast-ink);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease;
}

#ssast-program .ssast-program__nav a:hover {
  background: #d5f0fc;
}

#ssast-program .ssast-program__nav a[aria-current="location"] {
  background: var(--ssast-ink);
  border-color: var(--ssast-ink);
  color: #fff;
}

#ssast-program a:focus-visible {
  outline: 3px solid var(--ssast-ink);
  outline-offset: 4px;
}

#ssast-program .ssast-program__section {
  margin: 0 0 56px;
  padding: 0;
}

#ssast-program .ssast-program__section-title,
#ssast-program .ssast-program__day-title,
#ssast-program .ssast-program__session-title {
  margin: 0 !important;
  padding: 0 !important;
  color: var(--ssast-ink);
  font-family: inherit;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
}

#ssast-program .ssast-program__section-title {
  margin-bottom: 24px;
  font-size: clamp(24px, 3vw, 30px);
}

#ssast-program .ssast-program__day + .ssast-program__day {
  margin-top: 40px;
}

#ssast-program .ssast-program__day-title {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ssast-accent);
  font-size: 22px;
}

#ssast-program .ssast-program__day-title time {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.85em;
  font-weight: 400;
}

#ssast-program .ssast-program__session {
  margin: 16px 0;
  padding: 0;
  border: 1px solid var(--ssast-line);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

#ssast-program .ssast-program__session-header,
#ssast-program .ssast-program__event {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 18px 20px;
}

#ssast-program .ssast-program__session-header {
  border-left: 4px solid var(--ssast-accent);
  background: var(--ssast-pale);
}

#ssast-program .ssast-program__time {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

#ssast-program .ssast-program__session-title {
  font-size: 20px;
}

#ssast-program .ssast-program__chairs {
  margin: 5px 0 0;
  padding: 0;
  color: var(--ssast-muted);
  font-size: 14px;
  line-height: 1.5;
}

#ssast-program .ssast-program__talks {
  margin: 0;
  padding: 0 24px;
  list-style: none;
}

#ssast-program .ssast-program__talk {
  margin: 0;
  padding: 20px 0;
  list-style: none;
}

#ssast-program .ssast-program__talk + .ssast-program__talk {
  border-top: 1px solid var(--ssast-line);
}

#ssast-program .ssast-program__talk-heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

#ssast-program .ssast-program__talk-title {
  flex: 1;
  margin: 0;
  padding: 0;
  font-weight: 700;
  line-height: 1.5;
}

#ssast-program .ssast-program__duration {
  flex-shrink: 0;
  padding: 2px 9px;
  border-radius: 4px;
  background: var(--ssast-pale);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

#ssast-program .ssast-program__authors {
  margin: 7px 0 2px;
  padding: 0;
  font-weight: 600;
  line-height: 1.5;
}

#ssast-program .ssast-program__affiliation {
  margin: 0;
  padding: 0;
  color: var(--ssast-muted);
  font-size: 14px;
  line-height: 1.5;
}

#ssast-program .ssast-program__guests {
  margin: 0;
  padding: 20px 24px 20px 42px;
}

#ssast-program .ssast-program__guests li {
  margin: 0;
  padding: 4px 0;
}

#ssast-program .ssast-program__event {
  margin: 12px 0;
  border-radius: 4px;
  background: #f4fafd;
  font-weight: 600;
}

#ssast-program .ssast-program__event--break {
  background: #f5f7f8;
  color: var(--ssast-muted);
  font-size: 14px;
  font-weight: 400;
}

@media (max-width: 560px) {
  #ssast-program .ssast-program__nav a { flex: 1; padding: 10px 16px; }
  #ssast-program .ssast-program__session-header,
  #ssast-program .ssast-program__event { grid-template-columns: 1fr; gap: 6px; padding: 16px; }
  #ssast-program .ssast-program__talks { padding: 0 16px; }
  #ssast-program .ssast-program__talk-heading { gap: 10px; }
  #ssast-program .ssast-program__day-title { font-size: 20px; }
  #ssast-program .ssast-program__session-title { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  #ssast-program .ssast-program__nav a { transition: none; }
}

@media print {
  #ssast-program .ssast-program__nav { display: none; }
  #ssast-program .ssast-program__talk { break-inside: avoid; }
  #ssast-program .ssast-program__session-header { break-after: avoid; }
}

#ssast-program h4 {
  margin: 0 !important;
  padding: 0 !important;
}