/* Graphiques : lecture au clavier et lueur sans filtre SVG (second tracé large et transparent) */
.graphe [role="slider"]:focus-visible, .graphe-zone:focus-visible { outline: 2px solid var(--ambre); outline-offset: 2px; }
.trait-lueur { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.graphe-resume { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.spark-vide { position: relative; height: 120px; margin-top: 10px; display: grid; place-items: center; }
.spark-vide svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.spark-vide p { position: relative; margin: 0; font-size: var(--t-meta); color: var(--brume); }
.spark-hote, .bougies-hote, .courbes-hote { position: relative; }
.graphe-zone { position: absolute; inset: 0; z-index: 2; touch-action: pan-y; cursor: crosshair; border-radius: 12px; }
.graphe-zone:focus-visible { outline: 2px solid var(--ambre); outline-offset: 2px; }