:root {
  color-scheme: dark;
  --bg: #081114;
  --surface: #0c191d;
  --surface-strong: #102126;
  --surface-muted: #0b1519;
  --line: rgba(137, 202, 198, 0.25);
  --line-strong: rgba(80, 227, 194, 0.52);
  --text: #f1fbf9;
  --muted: #a8bec0;
  --cyan: #50e3c2;
  --cyan-bright: #9af7e4;
  --amber: #f5b642;
  --red: #ff756d;
  --unknown: #aeb8c3;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 76% -10%, rgba(80, 227, 194, 0.11), transparent 34rem),
    radial-gradient(circle at 6% 42%, rgba(48, 125, 137, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

.ambient-grid {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(102, 184, 177, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 184, 177, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

.shell {
  width: min(1180px, calc(100% - 56px));
  margin: 0 auto;
  padding: 26px 0 36px;
}

.topbar,
.hero,
.section-heading,
.summary-grid,
.details-grid,
.topology-layout,
.topbar-meta,
.wordmark,
.overall-status,
.service-list li,
.interface-item,
footer {
  display: flex;
}

.topbar {
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.wordmark:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

.mark {
  display: grid;
  width: 37px;
  height: 37px;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: rgba(80, 227, 194, 0.04);
  clip-path: polygon(25% 0, 75% 0, 100% 25%, 100% 75%, 75% 100%, 25% 100%, 0 75%, 0 25%);
}

.mark svg {
  width: 29px;
  height: 29px;
  overflow: visible;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
}

.mark circle {
  fill: var(--amber);
  stroke: none;
}

.wordmark strong,
.wordmark small,
.topbar-meta,
.eyebrow,
.section-note,
.card-kicker,
.summary-card > span,
footer {
  letter-spacing: 0.11em;
}

.wordmark,
.topbar-meta,
.eyebrow,
.section-note,
.card-kicker,
.summary-card,
.topology-card,
.interface-item strong,
.service-state,
.upstream-card,
footer {
  font-family: var(--font-mono);
}

.wordmark strong,
.wordmark small {
  display: block;
  line-height: 1.1;
}

.wordmark strong {
  color: var(--cyan-bright);
  font-size: 13px;
}

.wordmark small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
}

.topbar-meta {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.topbar-meta span:last-child {
  color: var(--cyan);
}

.hero {
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 64px 0 38px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2,
strong,
summary {
  font-weight: 700;
}

h1 {
  max-width: 720px;
  margin-bottom: 15px;
  color: var(--text);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h1 span,
h1 small {
  display: block;
}

h1 small {
  margin-top: 9px;
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.14em;
}

.lede {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.overall-status {
  align-items: center;
  min-width: min(100%, 350px);
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(80, 227, 194, 0.1), rgba(80, 227, 194, 0.025));
  box-shadow: inset 0 0 32px rgba(80, 227, 194, 0.035);
}

.status-light,
.service-dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--unknown);
  box-shadow: 0 0 0 4px rgba(164, 170, 183, 0.09);
}

.overall-status strong,
.overall-status small {
  display: block;
}

.overall-status strong {
  font-size: 13px;
  letter-spacing: 0.075em;
}

.overall-status small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.status--active {
  border-color: rgba(80, 227, 194, 0.44);
}

.status--active .status-light,
.state-active .service-dot {
  background-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(80, 227, 194, 0.1), 0 0 16px rgba(80, 227, 194, 0.45);
}

.state-active .service-state,
.state-active .topology-card small {
  color: var(--cyan-bright);
}

.status--degraded {
  border-color: rgba(245, 166, 35, 0.55);
}

.status--degraded .status-light {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.1), 0 0 16px rgba(245, 166, 35, 0.4);
}

.status--unknown .status-light,
.status--pending .status-light {
  background: var(--unknown);
}

.summary-grid {
  gap: 12px;
}

.summary-card,
.panel {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(16, 33, 38, 0.92), rgba(8, 17, 20, 0.88));
}

.summary-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 124px;
  padding: 20px;
  overflow: hidden;
}

.summary-card::before,
.panel::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 1px;
  background: var(--cyan);
  content: "";
}

.summary-card > span,
.summary-card small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.summary-card > strong {
  display: block;
  margin: 14px 0 9px;
  overflow-wrap: anywhere;
  color: var(--cyan-bright);
  font-size: 16px;
}

.summary-card .hash {
  color: #e0b467;
  font-size: 11px;
}

.summary-card small {
  font-size: 11px;
}

.panel {
  position: relative;
  overflow: hidden;
}

.upstream-panel {
  margin-top: 16px;
  padding: 28px;
}

.section-description {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.upstream-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.upstream-card {
  min-width: 0;
  padding: 19px;
  border: 1px solid var(--line);
  background: rgba(4, 12, 15, 0.48);
}

.upstream-card header,
.upstream-state {
  display: flex;
  align-items: center;
}

.upstream-card header {
  justify-content: space-between;
  gap: 12px;
}

.upstream-index,
.upstream-state {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.upstream-index {
  min-width: 0;
  overflow-wrap: anywhere;
}

.upstream-state {
  flex: none;
  gap: 8px;
}

.upstream-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--unknown);
  box-shadow: 0 0 0 4px rgba(174, 184, 195, 0.08);
}

.upstream-host {
  display: block;
  margin-top: 17px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 15px;
  line-height: 1.35;
}

.upstream-endpoint {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 11px;
}

.upstream-identity {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: #e0b467;
  font-size: 10px;
}

.upstream-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1.35fr;
  gap: 10px;
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.upstream-metrics small,
.upstream-metrics strong {
  display: block;
}

.upstream-metrics small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.upstream-metrics strong {
  margin-top: 4px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 11px;
}

.panel-caption {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.upstream-card.state-connected {
  border-color: rgba(80, 227, 194, 0.45);
  background: linear-gradient(135deg, rgba(80, 227, 194, 0.08), rgba(4, 12, 15, 0.48));
}

.state-connected .upstream-state,
.state-connected .upstream-metrics strong {
  color: var(--cyan-bright);
}

.state-connected .upstream-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(80, 227, 194, 0.1), 0 0 14px rgba(80, 227, 194, 0.4);
}

.upstream-card.state-disconnected {
  border-color: rgba(255, 117, 109, 0.42);
}

.state-disconnected .upstream-state {
  color: var(--red);
}

.state-disconnected .upstream-dot {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 117, 109, 0.1);
}

.topology {
  margin-top: 16px;
  padding: 28px;
}

.section-heading {
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.section-heading .eyebrow {
  margin-bottom: 5px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-note {
  padding-top: 4px;
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.topology-layout {
  align-items: center;
  gap: 0;
  min-height: 272px;
  padding: 34px 10px 24px;
}

.topology-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 124px;
  padding: 19px;
  border: 1px solid rgba(137, 202, 198, 0.32);
  background: rgba(4, 12, 15, 0.48);
}

.topology-card::after {
  position: absolute;
  right: 8px;
  bottom: 8px;
  left: 8px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  content: "";
}

.topology-card--core {
  border-color: var(--line-strong);
  background: rgba(80, 227, 194, 0.06);
}

.card-kicker,
.topology-card small,
.topology-card strong {
  display: block;
}

.card-kicker {
  color: var(--muted);
  font-size: 10px;
}

.topology-card strong {
  margin: 15px 0 6px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
}

.topology-card small {
  color: var(--unknown);
  font-size: 12px;
}

.topology-connector {
  position: relative;
  flex: 0 0 58px;
  height: 1px;
  background: var(--line-strong);
}

.topology-connector::before,
.topology-connector::after {
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(80, 227, 194, 0.8);
  content: "";
  transform: translateY(-50%);
}

.topology-connector::before {
  left: -1px;
}

.topology-connector::after {
  right: -1px;
}

.topology-outputs {
  display: grid;
  flex: 1.25 1 0;
  gap: 12px;
}

.topology-outputs .topology-card {
  min-height: 92px;
}

.topology-caption {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.details-grid {
  align-items: stretch;
  gap: 14px;
  margin-top: 16px;
}

.details-grid > .panel {
  flex: 1 1 0;
  padding: 26px;
}

.interface-list,
.service-list {
  margin: 18px 0 0;
}

.interface-list {
  display: grid;
  gap: 8px;
}

.interface-item {
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: rgba(4, 12, 15, 0.4);
}

.interface-item span,
.interface-item strong,
.interface-item small {
  display: block;
}

.interface-item span,
.interface-item small {
  color: var(--muted);
  font-size: 11px;
}

.interface-item strong {
  margin-top: 4px;
  color: var(--cyan-bright);
  font-size: 13px;
}

.interface-item > small {
  max-width: 220px;
  text-align: right;
}

.empty-state {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.service-list {
  display: grid;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.service-list li {
  align-items: center;
  gap: 10px;
  min-height: 68px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: rgba(4, 12, 15, 0.4);
}

.service-list li > span:nth-child(2) {
  min-width: 0;
  margin-right: auto;
}

.service-list strong,
.service-list small {
  display: block;
}

.service-list strong {
  font-size: 13px;
}

.service-list small {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.service-state {
  color: var(--unknown);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.state-failed,
.state-inactive {
  border-color: rgba(255, 105, 97, 0.35) !important;
}

.state-failed .service-dot,
.state-inactive .service-dot {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 105, 97, 0.09);
}

.state-failed .service-state,
.state-inactive .service-state,
.state-failed .topology-card small,
.state-inactive .topology-card small {
  color: var(--red);
}

.state-activating,
.state-deactivating {
  border-color: rgba(245, 166, 35, 0.42) !important;
}

.state-activating .service-dot,
.state-deactivating .service-dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.09);
}

.state-activating .service-state,
.state-deactivating .service-state,
.state-activating .topology-card small,
.state-deactivating .topology-card small {
  color: var(--amber);
}

footer {
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

@media (max-width: 860px) {
  .summary-grid {
    flex-wrap: wrap;
  }

  .summary-card {
    flex-basis: calc(50% - 6px);
  }

  .upstream-grid {
    grid-template-columns: 1fr;
  }

  .topology-layout {
    flex-wrap: wrap;
  }

  .topology-card--edge,
  .topology-card--core {
    flex-basis: calc(50% - 29px);
  }

  .topology-connector--out {
    display: none;
  }

  .topology-outputs {
    flex-basis: 100%;
    grid-template-columns: 1fr 1fr;
    margin-top: 20px;
  }

  .details-grid {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 1180px);
    padding-top: 13px;
  }

  .topbar,
  .hero,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar {
    gap: 14px;
    padding-bottom: 14px;
  }

  .topbar-meta {
    width: 100%;
    justify-content: space-between;
    text-align: left;
  }

  .hero {
    gap: 22px;
    padding: 40px 0 25px;
  }

  .overall-status {
    width: 100%;
  }

  .summary-card {
    flex-basis: 100%;
  }

  .upstream-panel,
  .topology,
  .details-grid > .panel {
    padding: 18px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .section-note {
    padding-top: 0;
    text-align: left;
  }

  .upstream-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .upstream-metrics > span:last-child {
    grid-column: 1 / -1;
  }

  .topology-layout {
    display: grid;
    min-height: 0;
    padding: 22px 0 12px;
  }

  .topology-card--edge,
  .topology-card--core,
  .topology-outputs {
    width: 100%;
  }

  .topology-connector {
    justify-self: center;
    width: 1px;
    height: 32px;
  }

  .topology-connector::before,
  .topology-connector::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .topology-connector::before {
    top: 0;
  }

  .topology-connector::after {
    top: auto;
    bottom: 0;
  }

  .topology-outputs {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .interface-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .interface-item > small {
    max-width: none;
    text-align: left;
  }

  footer {
    gap: 6px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .status--active .status-light {
    animation: heartbeat 2.2s ease-in-out infinite;
  }
}

@keyframes heartbeat {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(80, 227, 194, 0.1), 0 0 10px rgba(80, 227, 194, 0.28);
  }

  50% {
    box-shadow: 0 0 0 7px rgba(80, 227, 194, 0.03), 0 0 20px rgba(80, 227, 194, 0.62);
  }
}