/* DNS Y HTTP: controles, recorrido y tablas adaptables. */
.network-lab {
  border: 1px solid var(--line, #dce1ea);
  border-radius: 20px;
  padding: 24px;
  background: #f6f8fc;
}
.network-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 16px;
  border: 1px solid #ccd4e2;
  border-radius: 12px;
}
.network-options legend {
  font-weight: 800;
  padding: 0 8px;
}
.network-options label {
  font-weight: 700;
}
.network-options select {
  display: block;
  width: 100%;
  min-height: 48px;
  margin-top: 8px;
}
.network-track {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 24px 0 16px;
}
.network-track button {
  width: 100%;
  min-height: 48px;
  padding: 8px;
  border: 1px solid #ccd4e2;
  border-radius: 8px;
  color: #263149;
  background: white;
  font: inherit;
  cursor: pointer;
}
.network-track button[aria-current="step"] {
  background: #233de0;
  color: white;
  border-color: #233de0;
  font-weight: 800;
}
.network-step-status {
  font-weight: 800;
  color: #233de0;
}
.network-panel {
  padding: 24px;
  border-radius: 16px;
  background: white;
  border: 1px solid #ccd4e2;
}
.network-panel h3 {
  margin-top: 0;
}
.network-panel pre,
.network-code,
.network-pair pre {
  padding: 16px;
  background: #162033;
  color: #ecf0ff;
  border-radius: 12px;
  overflow: auto;
  line-height: 1.7;
  font-size: 0.875rem;
}
.network-panel pre code,
.network-code code,
.network-pair pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.network-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}
.network-actions button:disabled {
  background: #e7ebf2;
  color: #526176;
  cursor: default;
}
.network-note {
  margin-top: 16px;
  color: #526176;
  font-size: 0.875rem;
}
.network-preview {
  background: #fff6d5;
  color: #233047;
  padding: 24px;
  border-radius: 12px;
}
.network-preview h4 {
  font-size: 1.5rem;
  margin: 8px 0;
}
.network-definitions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.network-definitions > div,
.network-pair > article {
  padding: 24px;
  border: 1px solid #ccd4e2;
  border-radius: 16px;
  min-width: 0;
}
.network-definitions dt {
  font-weight: 800;
  margin-bottom: 8px;
}
.network-definitions dd {
  margin: 0;
}
.network-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 24px 0;
}
.network-explainer {
  padding-left: 24px;
}
.network-explainer li {
  padding-left: 8px;
  margin-bottom: 24px;
}
.network-explainer h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.network-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}
.network-table {
  width: 100%;
  border-collapse: collapse;
}
.network-table caption {
  text-align: left;
  font-weight: 800;
  padding-bottom: 16px;
}
.network-table th,
.network-table td {
  text-align: left;
  vertical-align: top;
  padding: 16px;
  border-bottom: 1px solid #ccd4e2;
}
.network-table thead {
  background: #f0f3fa;
}
.network-table tbody th {
  min-width: 120px;
}
.network-quiz {
  max-width: 800px;
}
.network-quiz fieldset {
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #ccd4e2;
  border-radius: 16px;
}
.network-quiz legend {
  font-weight: 800;
}
.network-quiz label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
}
.network-quiz input {
  flex: 0 0 auto;
  width: auto;
}
.network-quiz [role="status"] {
  font-weight: 800;
  margin-top: 16px;
}
@media (max-width: 700px) {
  .network-lab,
  .network-panel {
    padding: 16px;
  }
  .network-options,
  .network-pair,
  .network-definitions {
    grid-template-columns: 1fr;
  }
  .network-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .network-table th,
  .network-table td {
    padding: 12px;
  }
}

/* Referencia de errores: estructura nativa desplegable, sin JavaScript. */
.http-error-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 16px;
  margin-block: 24px;
  align-items: start;
}
.http-error-grid details {
  padding: 20px;
  border: 1px solid var(--line, #dce1ea);
  border-radius: 12px;
  background: #fff;
}
.http-error-grid summary {
  cursor: pointer;
  font-weight: 800;
  min-height: 24px;
}
.http-error-grid p {
  margin-block: 16px 0;
}