/* ==========================================================================
   network-diagram.css — EnterpriseLab.html only
   The "Network Architecture" box diagram, built from plain divs.
   Original class names used a fixed 220px/275px layout that overflowed on
   narrow screens; this keeps the same look but lets it wrap and shrink.
   ========================================================================== */

.diagram {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: var(--space-2) auto;
  max-width: 100%;
  text-align: center;
}

.diagram .flex-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.diagram .flex-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-2);
  width: 100%;
}

.diagram .block {
  padding: 10px;
  margin: 5px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  display: inline-block;
  text-align: center;
  vertical-align: middle;
  background-color: var(--surface-alt);
  width: 220px;
  max-width: 100%;
}

.diagram-box {
  border: 1px dashed var(--border-strong);
  padding: 10px;
  margin: 10px 0;
  border-radius: var(--radius-sm);
  box-sizing: border-box;
  width: 100%;
}

.diagram .diagram-box {
  flex: 1 1 240px;
  max-width: 280px;
}

.diagram .arrow {
  font-size: 20px;
  margin: 0 5px;
}

.diagram .connection {
  font-size: 16px;
}

@media screen and (max-width: 480px) {
  .diagram .block {
    width: 100%;
    max-width: 280px;
  }

  .diagram .diagram-box {
    max-width: 100%;
  }
}