:root {
  --bg: #080d08;
  --surf: #0f160f;
  --surf2: #141e14;
  --border: #1c2c1c;
  --brand: #00e676;
  --warn: #ffb300;
  --danger: #f44336;
  --muted: #4a6a4a;
  --text: #d4e8d4;
  --mono: "Share Tech Mono", "IBM Plex Mono", monospace;
  --ui: "Rajdhani", "Arial Narrow", sans-serif;
  --content: 1180px;
}

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

html {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgba(0, 230, 118, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 230, 118, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px;
  color: var(--text);
  font-family: var(--ui);
  font-size: 16px;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body::after {
  position: fixed;
  z-index: 999;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.page-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.topbar {
  position: relative;
  z-index: 5;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 13, 8, 0.96);
  padding: 14px max(22px, calc((100vw - var(--content)) / 2));
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--brand);
  color: var(--brand);
  font-family: var(--mono);
  font-size: 18px;
  box-shadow: inset 0 0 18px rgba(0, 230, 118, 0.1);
}

.brand-name,
.mono {
  font-family: var(--mono);
}

.brand-name {
  color: var(--brand);
  font-size: 18px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-sub {
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.top-actions,
.status-inline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.system-state {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.75);
}

.dot.warn {
  background: var(--warn);
  box-shadow: 0 0 10px rgba(255, 179, 0, 0.65);
}

.dot.muted {
  background: var(--muted);
  box-shadow: none;
}

.button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--brand);
  border-radius: 4px;
  background: transparent;
  color: var(--brand);
  cursor: pointer;
  font-family: var(--ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 8px 15px;
  text-transform: uppercase;
}

.button.primary {
  background: var(--brand);
  color: #041008;
}

.button.muted {
  border-color: var(--border);
  color: var(--muted);
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.45;
}

.main {
  width: min(100% - 32px, var(--content));
  flex: 1;
  margin: 0 auto;
  padding: 42px 0 56px;
}

.eyebrow,
.card-label,
.field-label,
.table-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--brand);
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  background: var(--brand);
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 18px;
  color: var(--text);
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 600;
  line-height: 0.98;
}

h2 {
  margin-bottom: 10px;
  font-size: 27px;
  font-weight: 600;
}

h3 {
  font-size: 19px;
  font-weight: 600;
}

.lead {
  max-width: 680px;
  color: #8fac8f;
  font-size: 19px;
  line-height: 1.55;
}

.hero {
  display: grid;
  min-height: calc(100vh - 160px);
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 0.9fr);
  align-items: center;
  gap: 54px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.public-note {
  margin-top: 22px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
}

.control-visual {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--border);
  background: #0a110a;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.control-visual::before,
.card::before,
.panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--brand);
  content: "";
  opacity: 0.28;
}

.visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 13px 15px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.topology-map {
  padding: 28px 22px 22px;
}

.topology-core {
  position: relative;
  width: min(100%, 270px);
  margin: 0 auto;
  border: 1px solid var(--brand);
  background: var(--surf);
  box-shadow: inset 0 0 22px rgba(0, 230, 118, 0.06);
  padding: 15px 18px;
  text-align: center;
}

.topology-core::before,
.topology-core::after {
  position: absolute;
  top: -4px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--brand);
  content: "";
}

.topology-core::before {
  left: -1px;
  border-left: 1px solid var(--brand);
}

.topology-core::after {
  right: -1px;
  border-right: 1px solid var(--brand);
}

.topology-kicker,
.topology-node-index {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.topology-core strong {
  display: block;
  margin: 7px 0;
  color: var(--brand);
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 400;
  letter-spacing: 0.14em;
}

.topology-state,
.topology-node-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.topology-connectors {
  position: relative;
  display: grid;
  height: 48px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 8%;
  border-bottom: 1px solid #244424;
}

.topology-connectors::before {
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  border-left: 1px solid #244424;
  content: "";
}

.topology-connectors span {
  position: relative;
}

.topology-connectors span::after {
  position: absolute;
  right: 50%;
  bottom: -10px;
  height: 10px;
  border-left: 1px solid #244424;
  content: "";
}

.topology-nodes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  padding-top: 10px;
}

.topology-node {
  min-width: 0;
  min-height: 100px;
  border: 1px solid var(--border);
  background: var(--surf);
  padding: 11px;
  text-align: center;
}

.topology-node.shadow {
  border-top-color: var(--brand);
}

.topology-node.hold {
  border-top-color: var(--warn);
}

.topology-node.future {
  border-top-color: var(--muted);
  opacity: 0.72;
}

.topology-node strong {
  display: block;
  overflow-wrap: anywhere;
  min-height: 34px;
  margin: 9px 0 7px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
}

.topology-node.hold strong {
  color: var(--warn);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 18px 18px;
}

.visual-stat {
  border: 1px solid var(--border);
  background: var(--surf);
  padding: 10px;
}

.visual-stat span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.visual-stat strong {
  display: block;
  margin-top: 5px;
  color: var(--brand);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
}

.centered-layout {
  display: grid;
  min-height: calc(100vh - 160px);
  place-items: center;
}

.login-frame {
  width: min(100%, 470px);
}

.panel,
.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surf);
}

.panel {
  padding: 28px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

.panel-header {
  margin-bottom: 24px;
}

.panel-header p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.field {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  margin-bottom: 7px;
}

.field input {
  appearance: none;
  width: 100%;
  height: 45px;
  border: 1px solid var(--border);
  border-radius: 3px;
  outline: none;
  background: #0a100a;
  color: var(--brand);
  caret-color: var(--brand);
  font-family: var(--mono);
  padding: 0 12px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(0, 230, 118, 0.12);
}

.field input::placeholder {
  color: var(--muted);
  opacity: 0.72;
}

.field input:-webkit-autofill,
.field input:-webkit-autofill:hover,
.field input:-webkit-autofill:focus {
  border-color: var(--brand);
  -webkit-text-fill-color: var(--brand);
  box-shadow: 0 0 0 1000px #0a100a inset;
  caret-color: var(--brand);
}

.login-frame .button {
  width: 100%;
  margin-top: 4px;
}

.visual-only {
  margin-top: 18px;
  border-left: 2px solid var(--warn);
  color: var(--warn);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  padding-left: 10px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 25px;
}

.section-head p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
}

.instance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  min-height: 280px;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  padding: 20px;
}

.card.live-candidate::before {
  background: var(--warn);
}

.card.inactive::before {
  background: var(--muted);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.mode-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: 3px;
  color: var(--brand);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 7px;
  text-transform: uppercase;
}

.mode-badge.warn,
.status-badge.warn {
  border-color: rgba(255, 179, 0, 0.35);
  color: var(--warn);
}

.mode-badge.muted,
.status-badge.muted {
  border-color: var(--border);
  color: var(--muted);
}

.instance-id {
  overflow-wrap: anywhere;
  margin: 17px 0 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1.4;
}

.instance-copy {
  min-height: 52px;
  flex: 0 0 auto;
  color: #789678;
  line-height: 1.55;
}

.metadata {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0;
}

.metadata-item {
  border: 1px solid var(--border);
  background: var(--surf2);
  padding: 9px;
}

.metadata-item span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metadata-item strong {
  display: block;
  overflow-wrap: anywhere;
  margin-top: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.35;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.guard-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.shell-demo {
  border: 1px solid var(--border);
  background: #0a100a;
}

.context-bar {
  display: grid;
  grid-template-columns: minmax(250px, 1.4fr) repeat(3, minmax(140px, 0.7fr));
  border-bottom: 1px solid var(--border);
}

.context-cell {
  min-width: 0;
  border-right: 1px solid var(--border);
  padding: 13px 16px;
}

.context-cell:last-child {
  border-right: 0;
}

.context-cell span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.context-cell strong {
  display: block;
  overflow-wrap: anywhere;
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
}

.shell-body {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  min-height: 480px;
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 14px;
}

.nav-item {
  margin-bottom: 5px;
  border: 1px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  padding: 9px 10px;
  text-transform: uppercase;
}

.nav-item.active {
  border-color: var(--border);
  background: var(--surf);
  color: var(--brand);
}

.shell-content {
  padding: 18px;
}

.safety-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(0, 230, 118, 0.25);
  background: rgba(0, 230, 118, 0.035);
  padding: 12px 14px;
}

.safety-strip.warn {
  border-color: rgba(255, 179, 0, 0.3);
  background: rgba(255, 179, 0, 0.035);
}

.safety-strip p {
  margin: 0;
  color: #88a488;
  font-size: 13px;
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.placeholder-panel {
  min-height: 145px;
  border: 1px dashed var(--border);
  background: var(--surf);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  padding: 13px;
}

.guard-panel {
  margin-top: 14px;
  border: 1px solid var(--border);
  background: var(--surf);
  padding: 16px;
}

.guard-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.guard-step {
  min-height: 70px;
  border: 1px solid var(--border);
  background: var(--surf2);
  padding: 10px;
}

.guard-step strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
  font-size: 12px;
}

.guard-step span,
.guard-arrow {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 17px max(22px, calc((100vw - var(--content)) / 2));
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero,
  .instance-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 20px;
  }

  .control-visual {
    min-height: 400px;
  }

  .context-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .context-cell:nth-child(2) {
    border-right: 0;
  }

  .context-cell:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 680px) {
  .topbar {
    align-items: flex-start;
    padding: 13px 16px;
  }

  .system-state {
    display: none;
  }

  .brand-sub {
    max-width: 190px;
  }

  .main {
    width: min(100% - 24px, var(--content));
    padding-top: 28px;
  }

  h1 {
    font-size: 42px;
  }

  .lead {
    font-size: 17px;
  }

  .section-head,
  .card-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .metadata,
  .visual-grid,
  .placeholder-grid {
    grid-template-columns: 1fr;
  }

  .topology-map {
    padding-right: 14px;
    padding-left: 14px;
  }

  .topology-nodes {
    grid-template-columns: 1fr;
  }

  .topology-connectors {
    display: none;
  }

  .topology-node {
    min-height: 0;
    margin-top: 8px;
  }

  .shell-body {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    gap: 5px;
  }

  .nav-item {
    flex: 0 0 auto;
  }

  .context-bar {
    grid-template-columns: 1fr;
  }

  .context-cell,
  .context-cell:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .guard-flow {
    grid-template-columns: 1fr;
  }

  .guard-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .safety-strip {
    grid-template-columns: auto 1fr;
  }

  .safety-strip .status-badge {
    grid-column: 1 / -1;
    justify-self: start;
  }
}