.live-frequency-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.live-frequency-kpi {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px;
  min-width: 0;
}

.live-frequency-kpi .label {
  color: var(--muted);
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.live-frequency-kpi .value {
  color: var(--navy);
  font-size: 1rem;
  font-weight: 900;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.live-frequency-kpi .sub {
  color: var(--muted);
  font-size: .76rem;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.live-frequency-kpi[data-tooltip] {
  cursor: help;
}

.live-frequency-kpi[data-tooltip]:focus-visible {
  outline: 3px solid rgba(27, 152, 181, .3);
  outline-offset: 2px;
}

.live-frequency-kpi[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: calc(100% + 8px);
  z-index: 20;
  display: none;
  padding: 9px 10px;
  border-radius: 8px;
  background: #17212b;
  color: #fff;
  box-shadow: 0 10px 24px rgba(13, 47, 79, .18);
  font-size: .78rem;
  font-weight: 650;
  line-height: 1.35;
  text-transform: none;
}

.live-frequency-kpi[data-tooltip]:hover::after,
.live-frequency-kpi[data-tooltip]:focus-visible::after {
  display: block;
}

.live-frequency-stat-stack {
  display: grid;
  gap: 2px;
}

.live-frequency-stat {
  display: block;
  white-space: nowrap;
}

.live-frequency-stat b {
  display: inline-block;
  width: 2.25rem;
  color: var(--muted);
  font-size: .76rem;
}

.live-frequency-status-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.live-frequency-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  flex: 0 0 auto;
  background: #98a7b3;
  box-shadow: 0 0 0 3px rgba(152, 167, 179, .18);
}

.live-frequency-status-dot.healthy {
  background: #19714d;
  box-shadow: 0 0 0 3px rgba(25, 113, 77, .17);
}

.live-frequency-status-dot.delayed {
  background: #d97706;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, .18);
}

.live-frequency-status-dot.stale {
  background: #7b8794;
  box-shadow: 0 0 0 3px rgba(123, 135, 148, .18);
}

.live-frequency-chart-controls {
  display: grid;
  gap: 7px;
  justify-items: end;
  min-width: min(100%, 360px);
}

.live-frequency-ranges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  width: 100%;
}

.live-frequency-ranges .btn {
  min-height: 36px;
  min-width: 0;
  padding-left: 9px;
  padding-right: 9px;
}

.live-frequency-ranges .btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.live-frequency-hour-nav {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 38px;
  gap: 6px;
  align-items: center;
  width: 100%;
}

.live-frequency-hour-nav[hidden] {
  display: none;
}

.live-frequency-hour-nav .btn {
  min-width: 38px;
  min-height: 34px;
  padding: 4px 8px;
}

.live-frequency-hour-nav .btn:disabled {
  opacity: .42;
  cursor: not-allowed;
}

.live-frequency-window-label {
  min-width: 0;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  text-align: center;
  overflow-wrap: anywhere;
}

.live-frequency-chart-wrapper {
  min-height: 370px;
}

#liveFrequencyChart {
  min-height: 350px;
}

.live-frequency-source-grid {
  display: grid;
  grid-template-columns: minmax(220px, .9fr) minmax(260px, 1.1fr);
  gap: 14px;
  align-items: stretch;
  margin-top: 10px;
}

.live-frequency-source-grid-compact {
  grid-template-columns: minmax(160px, .55fr) minmax(0, 1.45fr);
  align-items: center;
}

.live-frequency-provider {
  display: grid;
  gap: 6px;
  align-content: start;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.live-frequency-provider-logo {
  display: block;
  width: min(170px, 100%);
  max-height: 52px;
  object-fit: contain;
}

.live-frequency-provider strong {
  color: var(--navy);
  font-size: .98rem;
}

.live-frequency-provider span,
.live-frequency-source p,
.live-frequency-source dd,
.live-frequency-source dt,
.live-frequency-source li,
.live-frequency-source summary,
.live-frequency-source a {
  overflow-wrap: anywhere;
}

.live-frequency-provider span,
.live-frequency-source p {
  color: var(--muted);
  margin: 0;
}

.live-frequency-source-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 7px 12px;
  margin: 0;
}

.live-frequency-source-facts dt {
  color: var(--muted);
  font-weight: 800;
  font-size: .78rem;
}

.live-frequency-source-facts dd {
  margin: 0;
  color: var(--navy);
  font-weight: 750;
}

.live-frequency-source-facts a,
.live-frequency-usage-notice a,
.live-frequency-source-links a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.live-frequency-source-facts a:hover,
.live-frequency-usage-notice a:hover,
.live-frequency-source-links a:hover {
  text-decoration: underline;
}

.live-frequency-source-meta {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.live-frequency-source-meta p {
  color: var(--navy);
  font-weight: 800;
}

.live-frequency-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

.live-frequency-source-links a {
  font-size: .86rem;
}

.live-frequency-source-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.live-frequency-source-split p {
  border-left: 3px solid var(--line);
  padding-left: 10px;
}

.live-frequency-usage-notice {
  margin-top: 10px;
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  background: var(--soft-amber);
  padding: 9px 11px;
  color: #5f4700;
}

.live-frequency-usage-notice p {
  color: #5f4700;
  margin: 0;
}

.live-frequency-source-terms summary {
  cursor: pointer;
  color: #5f4700;
  font-weight: 900;
  font-size: .88rem;
}

.live-frequency-source-terms p {
  margin-top: 8px;
  font-size: .86rem;
  line-height: 1.45;
}

.live-frequency-usage-notice p + p {
  margin-top: 8px;
}

.live-frequency-buffer-notice[hidden] {
  display: none;
}

@media (max-width: 1200px) {
  .live-frequency-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .live-frequency-source-grid,
  .live-frequency-source-split {
    grid-template-columns: 1fr;
  }

  .live-frequency-chart-controls {
    justify-items: stretch;
    width: 100%;
  }

  .live-frequency-ranges .btn {
    padding-left: 8px;
    padding-right: 8px;
  }
}

@media (max-width: 540px) {
  .live-frequency-kpi-grid {
    grid-template-columns: 1fr;
  }

  .live-frequency-ranges {
    gap: 5px;
  }

  .live-frequency-ranges .btn {
    min-height: 34px;
    padding-left: 5px;
    padding-right: 5px;
    font-size: .78rem;
  }

  .live-frequency-source-facts {
    grid-template-columns: 1fr;
    gap: 3px 0;
  }

  #liveFrequencyChart {
    min-height: 300px;
  }
}