.topology-page {
  width: min(1600px, 100%);
  max-width: none;
  align-items: stretch;
  gap: 1rem;
  padding-top: 2rem;
  text-align: left;
}

.topology-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
}

.topology-heading h1 {
  margin-bottom: 0.5rem;
}

.topology-heading .subtitle {
  max-width: 980px;
  margin-bottom: 0;
}

.topology-kicker,
.topology-status,
.topology-operator-status,
.topology-details p {
  color: #888888;
}

.topology-kicker {
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topology-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.topology-stats span,
.topology-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid #333333;
  border-radius: 999px;
  background: #0b0b0b;
  padding: 0.35rem 0.7rem;
  color: #aaaaaa;
  font-size: 0.78rem;
}

.topology-toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(6, minmax(145px, 1fr));
  gap: 0.75rem;
  width: 100%;
  border: 1px solid #2c2c2c;
  border-radius: 10px;
  background: rgba(5, 5, 5, 0.96);
  padding: 0.85rem;
  backdrop-filter: blur(8px);
}

.topology-toolbar label {
  display: grid;
  gap: 0.25rem;
  color: #8e8e8e;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
}

.topology-toolbar input,
.topology-toolbar select,
.topology-toolbar button,
.topology-check-control {
  min-height: 2.45rem;
  border: 1px solid #383838;
  border-radius: 7px;
  background: #101010;
  color: #f5f5f5;
  padding: 0.5rem 0.7rem;
  font: inherit;
  text-transform: none;
}

.topology-toolbar input:focus,
.topology-toolbar select:focus,
.topology-toolbar button:focus-visible {
  outline: 2px solid #4f9dff;
  outline-offset: 1px;
}

.topology-check-control {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: #d9d9d9;
  font-size: 0.78rem;
  font-weight: 500;
}

.topology-check-control input {
  width: 1rem;
  min-height: 0;
  height: 1rem;
  margin: 0;
  padding: 0;
}

.topology-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
}

.topology-toolbar button {
  cursor: pointer;
}

.topology-toolbar button:hover {
  border-color: #666666;
  background: #1a1a1a;
}

.topology-status,
.topology-operator-status {
  margin: 0;
  font-size: 0.82rem;
}

.topology-operator-status[data-tone="ok"] {
  color: #7dffc4;
}

.topology-operator-status[data-tone="warn"] {
  color: #f0bd6b;
}

.topology-error {
  border: 1px solid #7b3030;
  border-radius: 8px;
  background: #240d0d;
  padding: 0.75rem 1rem;
  color: #ffb3b3;
}

.topology-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
  gap: 1rem;
  width: 100%;
  min-height: 68vh;
}

.topology-graph,
.topology-details {
  border: 1px solid #292929;
  border-radius: 10px;
  background: #080808;
}

.topology-graph {
  min-height: 68vh;
  overflow: hidden;
}

.topology-details {
  align-self: stretch;
  padding: 1rem;
  overflow: auto;
}

.topology-details h2 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.topology-details dl {
  display: grid;
  grid-template-columns: minmax(90px, auto) 1fr;
  gap: 0.45rem 0.75rem;
  font-size: 0.78rem;
}

.topology-details dt {
  color: #777777;
  font-weight: 600;
}

.topology-details dd {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #d9d9d9;
}

.topology-details a {
  color: #8fc4ff;
}

.topology-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topology-shape,
.topology-swatch {
  width: 0.65rem;
  height: 0.65rem;
  background: #4c79a8;
}

.topology-shape--node,
.topology-swatch {
  border-radius: 50%;
}

.topology-shape--security {
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
  background: #5d6a78;
}

.topology-shape--group {
  width: 0.8rem;
  border: 1px dashed #777f88;
  border-radius: 0.2rem;
  background: transparent;
}

.topology-swatch--critical {
  background: #c34c4c;
}

.topology-swatch--high {
  background: #c48b35;
}

.topology-swatch--service {
  background: #2e8b62;
}

.topology-line {
  width: 1.3rem;
  border-top: 2px solid #777777;
}

.topology-line--optional {
  border-top-style: dashed;
}

.topology-line--network {
  border-top-color: #4f9dff;
  border-top-width: 3px;
}

@media (max-width: 1400px) {
  .topology-toolbar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .topology-toolbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  .topology-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topology-actions {
    align-items: stretch;
  }

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

  .topology-details {
    min-height: 12rem;
  }
}

@media (max-width: 640px) {
  .topology-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .topology-stats {
    justify-content: flex-start;
  }

  .topology-toolbar {
    position: static;
    grid-template-columns: 1fr;
  }

  .topology-graph {
    min-height: 62vh;
  }
}


.topology-graph--fallback {
  overflow: auto;
  padding: 0.75rem;
}

.topology-fallback-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr));
  gap: 0.5rem;
}

.topology-fallback-node {
  min-width: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid #303641;
  border-radius: 8px;
  background: #0f1216;
}

.topology-fallback-node strong,
.topology-fallback-node small {
  display: block;
  overflow-wrap: anywhere;
}

.topology-fallback-node small {
  margin-top: 0.2rem;
  color: #8d98a6;
  font-size: 0.68rem;
}