.graph-tooltip{background:#fff;border:1px solid #ccc;border-radius:6px;box-shadow:0 4px 8px rgba(0,0,0,.2);display:none;height:auto;max-height:60vh;max-width:90vw;padding:4px;pointer-events:none;position:absolute;width:auto;z-index:9999}.graph-tooltip canvas{width:100% !important;height:100% !important;max-width:600px;max-height:480px}