.network-latency {
  padding-block: clamp(4.75rem, 9vw, 7.5rem);
  background: #f5f7fb;
}

.network-latency-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  align-items: end;
  gap: clamp(1.5rem, 5vw, 5rem);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.network-latency-intro h2 {
  max-width: 44rem;
  color: #111827;
  font-size: clamp(2.35rem, 5vw, 4.15rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
  text-wrap: balance;
  word-break: keep-all;
}

.network-latency-intro h2 span {
  display: block;
  white-space: nowrap;
}

.network-latency-intro p {
  max-width: 35rem;
  color: #475569;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.65;
}

.network-latency-surface {
  overflow: hidden;
  border: 1px solid rgba(51, 65, 85, 0.12);
  border-radius: 1rem;
  background: #ffffff;
}

.network-latency-toolbar {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid rgba(51, 65, 85, 0.12);
}

.network-latency-status {
  min-width: 0;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.45;
}

.network-latency-refresh {
  min-width: 7rem;
  flex: 0 0 auto;
}

.network-latency-refresh[aria-disabled="true"] {
  border-color: rgba(51, 65, 85, 0.12);
  background: #edf3fc;
  color: #607087;
  cursor: not-allowed;
}

.network-latency-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.network-latency-country {
  display: grid;
  min-height: 6.25rem;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid rgba(51, 65, 85, 0.1);
}

.network-latency-country:nth-child(odd):not(:last-child) {
  border-right: 1px solid rgba(51, 65, 85, 0.1);
}

.network-latency-country:last-child {
  border-bottom: 0;
}

.network-latency-country[hidden] {
  display: none;
}

.network-latency-flag {
  font-size: 1.65rem;
  line-height: 1;
}

.network-latency-region {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
}

.network-latency-region strong {
  overflow: hidden;
  color: #111827;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.network-latency-region span {
  color: #607087;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.network-latency-reading {
  display: flex;
  min-width: 6.85rem;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.35rem;
  color: #111827;
  font-variant-numeric: tabular-nums;
}

.network-latency-reading strong {
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1;
}

.network-latency-reading > span:last-child {
  color: #607087;
  font-size: 0.75rem;
  font-weight: 600;
}

.network-latency-signal {
  display: inline-flex;
  height: 0.8rem;
  align-items: flex-end;
  gap: 0.14rem;
  margin-right: 0.35rem;
  color: #2f6fe4;
}

.network-latency-signal i {
  display: block;
  width: 0.16rem;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.22;
}

.network-latency-signal i:nth-child(1) {
  height: 0.3rem;
}

.network-latency-signal i:nth-child(2) {
  height: 0.52rem;
}

.network-latency-signal i:nth-child(3) {
  height: 0.78rem;
}

.network-latency-country[data-signal="1"] .network-latency-signal i:nth-child(1),
.network-latency-country[data-signal="2"] .network-latency-signal i:nth-child(-n + 2),
.network-latency-country[data-signal="3"] .network-latency-signal i {
  opacity: 1;
}

.network-latency-country.is-measuring .network-latency-signal i {
  animation: network-latency-pulse 900ms ease-in-out infinite alternate;
}

.network-latency-country.is-measuring .network-latency-signal i:nth-child(2) {
  animation-delay: 120ms;
}

.network-latency-country.is-measuring .network-latency-signal i:nth-child(3) {
  animation-delay: 240ms;
}

.network-latency-country.is-error .network-latency-reading {
  color: #b42318;
}

.network-latency-country.is-unavailable .network-latency-reading,
.network-latency-country.is-idle .network-latency-reading {
  color: #607087;
}

.network-latency-note {
  margin: 0;
  padding: 1.15rem clamp(1.25rem, 3vw, 2rem) 1.3rem;
  border-top: 1px solid rgba(51, 65, 85, 0.1);
  color: #607087;
  font-size: 0.82rem;
  line-height: 1.55;
}

@keyframes network-latency-pulse {
  from { opacity: 0.2; }
  to { opacity: 1; }
}

@media (max-width: 46rem) {
  .network-latency-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1rem;
  }

  .network-latency-grid {
    grid-template-columns: 1fr;
  }

  .network-latency-country:nth-child(odd):not(:last-child) {
    border-right: 0;
  }

  .network-latency-country {
    min-height: 5.7rem;
  }
}

@media (max-width: 31rem) {
  .network-latency-toolbar {
    align-items: flex-start;
  }

  .network-latency-refresh {
    min-width: auto;
    padding-inline: 1rem;
  }

  .network-latency-country {
    grid-template-columns: 1.75rem minmax(0, 1fr) auto;
    gap: 0.75rem;
    padding-inline: 1rem;
  }

  .network-latency-reading {
    min-width: 5.7rem;
  }

  .network-latency-signal {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .network-latency-country.is-measuring .network-latency-signal i {
    animation: none;
    opacity: 0.7;
  }
}