/* The grammar keeps its authored geometry. Continuation lives beside, never over, words. */
.invisible-grammar-editor .diagram-viewport-frame{display:grid;grid-template-columns:minmax(0,1fr);min-width:0;max-width:100%;align-items:stretch}
.invisible-grammar-editor .diagram-viewport-frame.has-overflow{grid-template-columns:20px minmax(0,1fr) 20px}
.il-case .invisible-grammar-editor .diagram-scroll,.invisible-grammar-editor .diagram-scroll{max-height:none;height:auto;overflow-y:hidden!important;overscroll-behavior-y:auto;scrollbar-width:none;padding-top:6px;padding-bottom:10px}
.invisible-grammar-editor .diagram-scroll::-webkit-scrollbar{display:none}
.invisible-grammar-editor .diagram-scroll:focus-visible{outline:2px solid #386b91;outline-offset:-2px;border-radius:3px}
.invisible-grammar-editor .diagram-edge{display:flex;align-items:center;justify-content:center;min-width:0;pointer-events:none;color:#345f83;opacity:0;transition:opacity 120ms ease}
.invisible-grammar-editor .diagram-edge[hidden],.invisible-grammar-editor .diagram-scroll-navigation[hidden],.invisible-grammar-editor .diagram-show-selected[hidden]{display:none}
.invisible-grammar-editor .diagram-edge.is-available{opacity:1}
.invisible-grammar-editor .diagram-edge-left.is-available{background:linear-gradient(90deg,#cbdde99c,transparent)}
.invisible-grammar-editor .diagram-edge-right.is-available{background:linear-gradient(270deg,#cbdde99c,transparent)}
.invisible-grammar-editor .diagram-edge-chevron{font:32px/1 Georgia,serif;display:block;text-shadow:0 1px #fff}
.invisible-grammar-editor .diagram-edge-right.is-pan-demo .diagram-edge-chevron{animation:ilPanCue 700ms ease-in-out 2}
.invisible-grammar-editor .diagram-scroll-navigation{margin:0 0 8px;padding:0 1px}
.invisible-grammar-editor .diagram-pan-instruction{margin:0;text-align:center;font:13px/1.45 var(--sans,Arial,sans-serif);color:#4b6c85;letter-spacing:0}
.il-case .invisible-grammar-editor .diagram-pan-controls,.invisible-grammar-editor .diagram-pan-controls{display:grid;grid-template-columns:auto minmax(44px,1fr) auto;gap:10px;align-items:center;padding:2px 0;margin:0}
.il-case .invisible-grammar-editor .diagram-pan-controls button,.invisible-grammar-editor .diagram-pan-controls button{min-width:58px;min-height:44px;padding:8px 9px;font:13px/1.2 var(--sans,Arial,sans-serif);color:#244f74;white-space:nowrap;border-radius:6px;border:1px solid #b9cddd;background:#f4f8fc;box-shadow:0 2px 0 #dbe5ed;touch-action:manipulation}
.invisible-grammar-editor .diagram-pan-controls button:disabled{opacity:.38;box-shadow:none;cursor:default}
.invisible-grammar-editor .diagram-pan-controls button:not(:disabled):active{transform:translateY(1px);box-shadow:0 1px 0 #dbe5ed}
.invisible-grammar-editor .diagram-scroll-track{display:flex;align-items:center;min-width:44px;min-height:44px;padding:0;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;border-radius:6px}
.invisible-grammar-editor .diagram-scroll-track.is-panning{cursor:grabbing}
.invisible-grammar-editor .diagram-scroll-rail{position:relative;width:100%;height:8px;border-radius:8px;background:#dce7ef;box-shadow:inset 0 1px 2px #294e6b1a;pointer-events:none}
.invisible-grammar-editor .diagram-scroll-thumb{position:absolute;top:0;height:8px;border-radius:8px;background:#527b9b;box-shadow:0 1px 2px #1e456b26;pointer-events:auto}
.invisible-grammar-editor .diagram-scroll-track:hover .diagram-scroll-thumb,.invisible-grammar-editor .diagram-scroll-track.is-panning .diagram-scroll-thumb{background:#285e88}
.invisible-grammar-editor .diagram-pan-controls :focus-visible,.invisible-grammar-editor .diagram-show-selected:focus-visible{outline:3px solid #b25f42;outline-offset:3px}
.il-case .invisible-grammar-editor .diagram-show-selected,.invisible-grammar-editor .diagram-show-selected{display:block;min-height:44px;min-width:44px;margin:0 auto 4px;padding:8px 12px;font:13px/1.3 var(--sans,Arial,sans-serif);color:#285b82;text-decoration:underline;text-underline-offset:3px}
@keyframes ilPanCue{0%,100%{transform:translateX(-2px)}50%{transform:translateX(3px)}}
@media(prefers-reduced-motion:reduce){.invisible-grammar-editor .diagram-edge{transition:none}.invisible-grammar-editor .diagram-edge-right.is-pan-demo .diagram-edge-chevron{animation:none}}