/* field_lines.css — radial field lines, the central charge, the test point and its force arrow. */
.lv-fline { stroke: rgba(148, 163, 184, 0.6); color: rgba(148, 163, 184, 0.6); stroke-width: 1.5; }
.lv-charge { stroke: #0b1220; stroke-width: 1.5; }
.lv-q-pos { fill: #fb7185; }
.lv-q-neg { fill: #38bdf8; }
.lv-qsign { fill: #fff; font-size: 18px; font-weight: 800; }
.lv-mk-pt { fill: #fbbf24; stroke: #0b1220; stroke-width: 1; }
.lv-force { stroke: #34d399; color: #34d399; stroke-width: 3; }