/* Два представления одной бизнес-системы: компоненты и обработка событий. */
.systems-demo .capability-controls { border-bottom: 0; padding-bottom: 0; margin-bottom: 24px; }
.systems-demo .capability-controls label { flex-basis: 100%; }
.systems-demo .capability-status { margin-top: 22px; height: 170px; }
.systems-screen h3 { font-size: 19px; margin: 0 0 10px; }
.systems-screen > p { font-size: 14px; line-height: 1.7; color: var(--color-text-secondary); margin: 0 0 16px; }
.systems-graph { padding: 10px 12px; margin: 0; }
.systems-graph .capability-graph__nodes { grid-template-columns: repeat(2, minmax(0,1fr)); grid-template-rows: auto; gap: 48px 24px; }
.systems-graph .capability-node { padding: 18px; min-height: 130px; }
.systems-graph .capability-node.is-current { padding: 17px; }
.systems-build [data-node=foundation] { grid-area: 1 / 1; }
.systems-build [data-node=modules] { grid-area: 1 / 2; }
.systems-build [data-node=assembled] { grid-area: 2 / 1 / 3 / 3; border-color: var(--color-line-teal); background: #eef8f5; }
.systems-build [data-node=customization] { grid-area: 3 / 1; }
.systems-build [data-node=connections] { grid-area: 3 / 2; }
.systems-node-note { margin: 7px 0 0; font-size: 12px; line-height: 1.65; color: var(--color-text-secondary); }
.systems-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; padding: 0; list-style: none; }
.systems-chips li { font-size: 11px; line-height: 1.5; padding: 4px 7px; background: #fff; border: 1px solid var(--color-line); border-radius: 5px; }
.systems-build .systems-assembly-parts { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; }
.systems-assembly-parts li { text-align: center; transition: border-color .2s, background .2s; }
.systems-assembly-parts li.is-connected { border-color: var(--color-teal); background: #e0f3ed; color: var(--color-teal); }
.systems-build .capability-node.is-current { box-shadow: 0 0 0 5px #008b7d14; }
.systems-run .capability-graph__nodes { grid-template-columns: minmax(0,1fr); gap: 38px; }
.systems-run .capability-node[data-node] { grid-area: auto; min-height: 110px; }
.systems-run [data-node=events] { background: #f0f6fd; border-color: #b7cee9; }
.systems-run [data-node=operations] { background: #f8f5fc; border-color: #d1c8e2; }
.systems-run [data-node=result] { background: #eef8f5; border-color: var(--color-line-teal); }
.systems-progress { color: var(--color-text-secondary); font-size: 12px; margin: 18px 0 0; line-height: 1.7; }
.systems-transition { margin-top: 14px; min-height: 48px; }
@media (max-width: 760px) {
  .systems-graph { padding: 12px 46px 12px 4px; }
  .systems-graph .capability-graph__nodes { grid-template-columns: minmax(0,1fr); gap: 30px; }
  .systems-build [data-node=foundation] { grid-area: 1 / 1; }
  .systems-build [data-node=modules] { grid-area: 2 / 1; }
  .systems-build [data-node=customization] { grid-area: 3 / 1; }
  .systems-build [data-node=connections] { grid-area: 4 / 1; }
  .systems-build [data-node=assembled] { grid-area: 5 / 1; }
  .systems-graph .capability-node[data-node] { padding: 14px; }
  .systems-graph .capability-node.is-current { padding: 13px; }
  .systems-build .systems-assembly-parts { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .systems-run { padding-right: 4px; }
  .systems-demo .capability-status { height: 260px; }
  .systems-transition { min-height: 88px; }
}
@media (prefers-reduced-motion: reduce) { .systems-assembly-parts li { transition: none; } }