:root { --rais-accent: #7c5cff; }
body { min-height: 100vh; }
.rais-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.rais-sidebar { border-right: 1px solid var(--bs-border-color); padding: 1rem; }
.rais-sidebar .nav-link { color: var(--bs-body-color); border-radius: .5rem; }
.rais-sidebar .nav-link.active { background: rgba(124, 92, 255, .18); color: #fff; }
.rais-main { padding: 1.5rem; }
.rais-create-card { cursor: pointer; transition: transform .1s; }
.rais-create-card:hover { transform: translateY(-2px); border-color: var(--rais-accent); }
.rais-bottom-nav { display: none; }
.rais-mobile-header { display: none; }
@media (max-width: 768px) {
  .rais-shell { grid-template-columns: 1fr; }
  .rais-sidebar { display: none; }
  .rais-mobile-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: .6rem .9rem; border-bottom: 1px solid var(--bs-border-color);
    position: sticky; top: 0; z-index: 5; background: var(--bs-body-bg);
  }
  .rais-main { padding: 1rem 1rem 5rem; }
  .rais-bottom-nav { display: flex; position: fixed; bottom: 0; left: 0; right: 0; border-top: 1px solid var(--bs-border-color); background: var(--bs-body-bg); }
  .rais-bottom-nav a { flex: 1; text-align: center; padding: .5rem 0; color: var(--bs-body-color); text-decoration: none; font-size: .75rem; }
  .rais-bottom-nav a.active { color: var(--rais-accent); }
}

/* ---- Workflow editor ---- */
.rais-editor { display: flex; flex-direction: column; height: calc(100vh - 3rem); margin: -1.5rem; }
.rais-editor-toolbar {
  display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem;
  border-bottom: 1px solid var(--bs-border-color); background: var(--bs-body-bg);
}
.rais-editor-body { display: flex; flex: 1; min-height: 0; }
.rais-editor-sidebar {
  width: 200px; flex-shrink: 0; padding: .75rem; overflow-y: auto;
  border-right: 1px solid var(--bs-border-color);
}
.rais-editor-canvas { flex: 1; min-width: 0; }
.rais-config-panel {
  width: 320px; flex-shrink: 0; padding: .75rem; overflow-y: auto;
  border-left: 1px solid var(--bs-border-color);
}
.rais-editor-status {
  padding: .4rem .75rem; border-top: 1px solid var(--bs-border-color);
  display: flex; align-items: center;
}

.rais-node {
  min-width: 190px; border: 1px solid var(--bs-border-color); border-radius: .5rem;
  background: var(--bs-body-bg); font-size: .8rem; overflow: hidden;
}
.rais-node-selected { border-color: var(--rais-accent); box-shadow: 0 0 0 2px rgba(124, 92, 255, .35); }
.rais-node-error { border-color: var(--bs-danger); }
.rais-node-header {
  display: flex; justify-content: space-between; align-items: center; gap: .5rem;
  padding: .4rem .6rem; border-bottom: 1px solid var(--bs-border-color);
  background: rgba(124, 92, 255, .10);
}
.rais-node-subtitle {
  margin: 0; padding: .3rem .6rem; color: var(--bs-secondary-color);
  font-size: .72rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rais-node-preview { display: block; width: 100%; max-height: 110px; object-fit: cover; }
.rais-node-preview-audio { width: 100%; padding: .3rem .5rem; }
.rais-node-preview-text {
  margin: 0; padding: .3rem .6rem; font-size: .7rem; color: var(--bs-secondary-color);
  max-height: 60px; overflow: hidden;
}
.rais-node-ports { display: flex; justify-content: space-between; padding: .3rem 0 .5rem; }
.rais-node-col { display: flex; flex-direction: column; gap: .25rem; }
.rais-port { display: flex; align-items: center; gap: .35rem; padding: 0 .6rem; }
.rais-port-label { font-size: .7rem; color: var(--bs-secondary-color); }
.rais-node-footer {
  padding: .3rem .6rem; border-top: 1px solid var(--bs-border-color);
  font-size: .7rem; color: var(--bs-secondary-color);
}
.rais-handle { width: 9px; height: 9px; border-width: 2px; border-style: solid; }
.rais-handle-in { background: var(--bs-body-bg) !important; }
.rais-library { font-size: .85rem; }

/* React Flow adapts to the Bootstrap theme rather than shipping its own. */
.react-flow__background { background: var(--bs-body-tertiary-bg); }
.react-flow__controls-button {
  background: var(--bs-body-bg); border-color: var(--bs-border-color); fill: var(--bs-body-color);
}
.react-flow__minimap { background: var(--bs-body-tertiary-bg); }

@media (max-width: 992px) {
  .rais-editor-sidebar, .rais-config-panel { display: none; }
  .rais-editor { height: calc(100vh - 8rem); }
}

/* ---- Mobile (§95) ----
   Phones get Quick Create, history, templates and project viewing. The node
   canvas stays readable and runnable, but editing it is a desktop job, so the
   palette and config panel are hidden rather than crammed in. */
@media (max-width: 768px) {
  .rais-main { padding-top: 0.75rem; }
  h1.h3 { font-size: 1.25rem; }

  /* Quick Create: the result belongs above the fold once it exists. */
  .rais-create-card .card-body { padding: 0.75rem; }
  .rais-create-card .bi { font-size: 1.5rem; }

  /* Model list stays scannable instead of stretching off-screen. */
  .list-group-item .badge { font-size: 0.7rem; }

  /* Tables scroll rather than squeeze. */
  .table-responsive { -webkit-overflow-scrolling: touch; }

  /* Editor: view and run, not edit. */
  .rais-editor-toolbar { flex-wrap: wrap; gap: 0.35rem; }
  .rais-editor-toolbar h1 { width: 100%; }
  .react-flow__minimap { display: none; }

  /* Modals sit flush on small screens. */
  .modal-dialog { margin: 0.5rem; }
}

/* Touch targets stay at least 44px on coarse pointers. */
@media (pointer: coarse) {
  .btn-sm { padding: 0.4rem 0.75rem; }
  .nav-link { padding: 0.6rem 0.75rem; }
  .rais-bottom-nav a { padding: 0.6rem 0; }
}

/* Respect a reduced-motion preference. */
@media (prefers-reduced-motion: reduce) {
  .rais-create-card { transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}