.ftth-topology {
  margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.ftth-topology h4 {
  margin: 0 0 9px;
  color: var(--accent);
}

.ftth-topology-grid {
  display: grid;
  gap: 8px;
}

.ftth-topology label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
}

.ftth-topology select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 8px;
}

.ftth-topology-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 9px;
}

.ftth-topology-actions button {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 8px;
  cursor: pointer;
}

.ftth-impact {
  margin-top: 10px;
  border-radius: 9px;
  padding: 10px;
  background: color-mix(in srgb,var(--accent) 7%,var(--panel));
  border: 1px solid color-mix(in srgb,var(--accent) 35%,var(--border));
}

.ftth-impact.critical {
  background: color-mix(in srgb,var(--red) 8%,var(--panel));
  border-color: color-mix(in srgb,var(--red) 45%,var(--border));
}

.ftth-impact-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 6px;
  margin-top: 8px;
}

.ftth-impact-grid div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px;
  text-align: center;
}

.ftth-impact-grid strong,
.ftth-impact-grid small {
  display: block;
}

.ftth-relation-note {
  color: var(--muted);
  font-size: 11px;
  margin-top: 7px;
}

.ftth-topology input[type="text"],
.ftth-topology input:not([type]),
.ftth-topology input[type="range"] {
  width:100%;
}

.ftth-topology input:not([type]) {
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--panel);
  color:var(--text);
  padding:8px;
}

.ftth-topology input[type="color"] {
  width:100%;
  min-height:42px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--panel);
  padding:4px;
  cursor:pointer;
}