.connectivity-hero {
  padding-bottom: 56px;
}

.hero__privacy {
  margin: 14px auto 0;
  color: var(--color-muted);
  font-size: 12px;
}

.connectivity-workbench {
  padding-bottom: 104px;
}

.overall-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

.overall-card--dual-stack {
  border-color: color-mix(in oklch, var(--color-low) 30%, var(--color-border));
  background: color-mix(in oklch, var(--color-low-soft) 52%, var(--color-bg));
}

.overall-card--single-stack {
  border-color: color-mix(in oklch, var(--color-medium) 30%, var(--color-border));
  background: color-mix(in oklch, var(--color-medium-soft) 50%, var(--color-bg));
}

.overall-card--incomplete {
  border-color: color-mix(in oklch, var(--color-high) 28%, var(--color-border));
  background: color-mix(in oklch, var(--color-high-soft) 42%, var(--color-bg));
}

.overall-card__copy {
  max-width: 760px;
}

.overall-card h2 {
  margin: 11px 0 5px;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.035em;
  line-height: 1.3;
  text-wrap: balance;
}

.overall-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.overall-card .last-checked {
  margin-top: 9px;
  font-size: 11px;
}

.connectivity-badge {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  border-radius: 999px;
  background: var(--color-surface-strong);
  padding: 3px 10px;
  color: var(--color-ink-soft);
  font-size: 11px;
  font-weight: 760;
  white-space: nowrap;
}

.connectivity-badge--working,
.connectivity-badge--dual-stack {
  background: var(--color-low-soft);
  color: var(--color-low);
}

.connectivity-badge--unavailable,
.connectivity-badge--single-stack {
  background: var(--color-medium-soft);
  color: var(--color-medium);
}

.connectivity-badge--failed,
.connectivity-badge--incomplete {
  background: var(--color-high-soft);
  color: var(--color-high);
}

.connectivity-badge--checking {
  background: var(--color-primary-soft);
  color: var(--color-primary-ink);
}

.protocol-progress {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 16px 18px;
}

.progress-row {
  display: grid;
  grid-template-columns: 58px minmax(120px, 1fr) minmax(76px, auto);
  align-items: center;
  gap: 13px;
  color: var(--color-muted);
  font-size: 12px;
}

.progress-row strong {
  color: var(--color-ink);
  font-size: 13px;
}

.progress-row > span:last-child {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.progress-track {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-surface-strong);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
  transition: width 280ms ease, background-color var(--transition);
}

.progress-track span.is-checking {
  width: 42%;
  animation: connectivity-progress 1.3s ease-in-out infinite alternate;
}

.progress-track span.is-working {
  width: 100%;
  background: var(--color-low);
}

.progress-track span.is-failed {
  width: 100%;
  background: var(--color-medium);
}

@keyframes connectivity-progress {
  from { transform: translateX(-70%); }
  to { transform: translateX(225%); }
}

.connectivity-live {
  min-height: 25px;
  margin: 12px 0 0;
  text-align: center;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.protocol-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
}

.protocol-card--working {
  border-color: color-mix(in oklch, var(--color-low) 28%, var(--color-border));
}

.protocol-card--failed {
  border-color: color-mix(in oklch, var(--color-medium) 34%, var(--color-border));
}

.protocol-card.is-stale {
  border-style: dashed;
  background: var(--color-surface);
}

.protocol-card.is-stale > header,
.protocol-card.is-stale .protocol-summary,
.protocol-card.is-stale .protocol-facts {
  opacity: 0.78;
}

.protocol-card > header {
  display: flex;
  min-height: 92px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  background: var(--color-surface);
  padding: 20px 22px;
}

.protocol-card h2 {
  margin: 3px 0 0;
  font-size: 25px;
  letter-spacing: -0.03em;
}

.protocol-summary {
  min-height: 68px;
  margin: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 17px 22px;
  color: var(--color-muted);
  font-size: 13px;
}

.protocol-facts {
  margin: 0;
  padding: 7px 22px;
}

.protocol-facts > div {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
  padding: 11px 0;
}

.protocol-facts dt,
.protocol-facts dd {
  min-width: 0;
  margin: 0;
  font-size: 12px;
}

.protocol-facts dt {
  color: var(--color-muted);
}

.protocol-facts dd {
  color: var(--color-ink-soft);
  font-weight: 680;
  overflow-wrap: anywhere;
  text-align: right;
}

.protocol-facts dd:first-letter {
  text-transform: uppercase;
}

.protocol-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 15px 22px 20px;
}

.protocol-actions .button {
  min-height: 39px;
}

.technical-details {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.technical-details summary {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 22px;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 720;
  list-style: none;
}

.technical-details summary::-webkit-details-marker {
  display: none;
}

.technical-details[open] summary span:last-child {
  transform: rotate(45deg);
}

.technical-details dl {
  margin: 0;
  border-top: 1px solid var(--color-border);
  padding: 9px 22px 15px;
}

.technical-details dl div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 14px;
  padding: 5px 0;
}

.technical-details dt,
.technical-details dd {
  min-width: 0;
  margin: 0;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.technical-details dt {
  color: var(--color-muted);
}

.technical-details dd {
  color: var(--color-ink-soft);
  text-align: right;
}

.diagnostic-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 18px;
  border: 1px solid color-mix(in oklch, var(--color-medium) 30%, var(--color-border));
  border-radius: var(--radius-md);
  background: var(--color-medium-soft);
  padding: 17px 19px;
}

.diagnostic-note > span {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--color-medium);
  color: white;
  font-size: 13px;
  font-weight: 800;
}

.diagnostic-note strong {
  font-size: 14px;
}

.diagnostic-note p {
  margin: 3px 0 0;
  color: var(--color-ink-soft);
  font-size: 12px;
}

.diagnostic-note a {
  display: inline-block;
  margin-top: 6px;
  color: var(--color-primary-ink);
  font-size: 12px;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.connectivity-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-top: 18px;
}

.connectivity-history {
  margin-top: 66px;
  border-top: 1px solid var(--color-border);
  padding-top: 38px;
}

.connectivity-history__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.connectivity-history-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 15px;
}

.connectivity-history-item header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.connectivity-history-item strong {
  font-size: 13px;
}

.connectivity-history-item time,
.connectivity-history-item p {
  color: var(--color-muted);
  font-size: 11px;
}

.connectivity-history-item p {
  margin: 9px 0 0;
  font-variant-numeric: tabular-nums;
}

.connectivity-guide {
  background: var(--color-surface);
  padding-block: 92px;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  align-items: start;
  gap: 70px;
}

.guide-layout .section-heading {
  margin: 0;
}

.guide-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 34px;
}

.guide-facts article {
  border-top: 1px solid var(--color-border-strong);
  padding-top: 16px;
}

.guide-facts h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.guide-facts p {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.troubleshooting {
  padding-block: 92px 30px;
}

.troubleshooting-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.troubleshooting-steps li {
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--color-border-strong);
  padding-top: 18px;
}

.troubleshooting-steps li > span {
  color: var(--color-primary-ink);
  font-size: 12px;
  font-weight: 800;
}

.troubleshooting-steps h3 {
  margin: 0 0 7px;
  font-size: 15px;
}

.troubleshooting-steps p {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.connectivity-tools {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.connectivity-tools a {
  display: grid;
  gap: 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 18px;
  transition: border-color var(--transition), background-color var(--transition);
}

.connectivity-tools a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.connectivity-tools strong {
  font-size: 14px;
}

.connectivity-tools span {
  color: var(--color-muted);
  font-size: 11px;
}

@media (max-width: 900px) {
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .troubleshooting-steps {
    grid-template-columns: 1fr;
  }

  .connectivity-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .protocol-grid {
    grid-template-columns: 1fr;
  }

  .overall-card {
    align-items: stretch;
    flex-direction: column;
  }

  .overall-card .button {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .connectivity-hero {
    padding-bottom: 42px;
  }

  .connectivity-workbench {
    padding-bottom: 80px;
  }

  .overall-card,
  .protocol-card > header {
    padding: 20px;
  }

  .progress-row {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .progress-row > span:last-child {
    grid-column: 2;
    text-align: left;
  }

  .protocol-summary,
  .protocol-facts,
  .protocol-actions,
  .technical-details summary,
  .technical-details dl {
    padding-right: 18px;
    padding-left: 18px;
  }

  .protocol-facts > div {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  .guide-facts,
  .connectivity-tools {
    grid-template-columns: 1fr;
  }

  .connectivity-guide,
  .troubleshooting {
    padding-block: 72px;
  }

  .connectivity-actions .button {
    flex: 1 1 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .progress-track span {
    transition: none;
  }

  .progress-track span.is-checking {
    width: 70%;
    animation: none;
    transform: none;
  }
}