/* Finite-conductor electrostatics workspace; no dependence on a plotting CDN. */
.fv-workspace{--fv-bg:#0e1825;--fv-panel:#132133;--fv-line:#30465d;--fv-text:#e6eef8;--fv-muted:#a5b8cc;--fv-accent:#68d7e4;position:fixed;z-index:160;inset:60px 18px 16px;border:1px solid var(--fv-line);border-radius:13px;background:var(--fv-bg);color:var(--fv-text);box-shadow:0 25px 100px #0009;overflow:auto;overflow-anchor:none;font:13px/1.55 system-ui,-apple-system,sans-serif;overscroll-behavior:contain}.fv-workspace[hidden]{display:none}.fv-workspace *{box-sizing:border-box;overflow-anchor:none}.fv-head{position:sticky;top:0;z-index:2;background:var(--fv-bg);box-shadow:0 4px 12px #0002;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:18px 24px 14px;border-bottom:1px solid var(--fv-line)}.fv-head h2{font-size:22px;margin:0 0 4px;font-weight:660;letter-spacing:.02em}.fv-head p{margin:0;color:var(--fv-muted);max-width:850px}.fv-kicker{font:10px/1.5 ui-monospace,monospace;color:var(--fv-accent);letter-spacing:.12em;margin-bottom:4px}.fv-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.fv-button{border:1px solid var(--fv-line);border-radius:6px;background:var(--fv-panel);color:var(--fv-text);padding:8px 12px;font:inherit;cursor:pointer;white-space:nowrap}.fv-button:hover{border-color:var(--fv-accent)}.fv-button:focus-visible,.fv-workspace input:focus-visible,.fv-workspace select:focus-visible{outline:2px solid var(--fv-accent);outline-offset:2px}.fv-button-primary{background:#146b7b;border-color:#2d9daf;color:#fff}.fv-button:disabled{opacity:.5;cursor:wait}.fv-toolbar{display:flex;gap:9px 13px;align-items:flex-end;flex-wrap:wrap;padding:13px 24px;border-bottom:1px solid var(--fv-line)}.fv-workspace label{display:flex;gap:5px;flex-direction:column;color:var(--fv-muted);font-size:11px}.fv-workspace input[type=number],.fv-workspace select{appearance:auto;height:33px;width:100%;min-width:74px;padding:4px 7px;border:1px solid var(--fv-line);border-radius:5px;color:var(--fv-text);background:var(--fv-panel);font:12px/1.3 ui-monospace,monospace}.fv-workspace input[type=number]{width:93px}.fv-workspace input[type=number]:disabled{opacity:.65}.fv-workspace input[type=checkbox]{accent-color:#2997ab}.fv-check{flex-direction:row!important;align-items:center;padding:5px 0}.fv-status{margin:0 24px 12px;padding:10px 13px;border-left:3px solid #54b9c7;background:#16303c;color:#c4e7eb;font-size:12px}.fv-status[data-state=stale],.fv-status[data-state=solving],.fv-status[data-state=warning]{border-color:#e6b55b;background:#342d1e;color:#edd7ab}.fv-status[data-state=error]{border-color:#f18b82;background:#3c252c;color:#ffd2cb}.fv-content{padding:15px 24px 24px}.fv-grid{display:grid;grid-template-columns:minmax(420px,1.22fr) minmax(350px,1fr);gap:16px;align-items:start}.fv-card{background:var(--fv-panel);border:1px solid var(--fv-line);border-radius:8px;min-width:0;overflow:hidden}.fv-card-head{padding:12px 15px;display:flex;align-items:center;gap:10px;justify-content:space-between;border-bottom:1px solid var(--fv-line)}.fv-card-head h3{font-size:14px;margin:0;font-weight:620}.fv-tag{font:10px/1.3 ui-monospace,monospace;color:var(--fv-muted)}.fv-card-body{padding:12px 14px}.fv-plot{display:block;width:100%;height:auto;background:#091626;border:1px solid #31445a;border-radius:5px;cursor:crosshair}.fv-note{font-size:11px;color:var(--fv-muted);margin:9px 0 0;line-height:1.65}.fv-hover{min-height:36px;padding:7px 0;font:11px/1.6 ui-monospace,monospace;color:var(--fv-text)}.fv-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}.fv-stat{background:var(--fv-bg);border:1px solid var(--fv-line);padding:9px 11px;border-radius:6px;min-width:0}.fv-stat span{display:block;color:var(--fv-muted);font-size:10px}.fv-stat b{display:block;font:15px/1.7 ui-monospace,monospace;font-weight:500}.fv-stat small{font-size:10px;color:var(--fv-muted)}.fv-formula{font:12px/1.8 ui-monospace,monospace;background:var(--fv-bg);padding:10px 13px;border-radius:6px;overflow:auto;margin-top:12px}.fv-details{margin-top:14px;border:1px solid var(--fv-line);border-radius:7px;padding:11px 14px}.fv-details summary{cursor:pointer;font-size:12px;font-weight:600}.fv-details p{color:var(--fv-muted);font-size:12px;max-width:1100px}.fv-table{border-collapse:collapse;width:100%;font-size:11px;margin-top:8px}.fv-table th,.fv-table td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--fv-line);font-weight:400}.fv-table th{color:var(--fv-muted)}.fv-track-config{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap;margin:0 0 12px}.fv-track-config input[type=number]{width:75px}.fv-legend{display:flex;gap:15px;flex-wrap:wrap;font-size:10px;color:var(--fv-muted);margin:7px 0}.fv-legend i{display:inline-block;height:3px;width:15px;margin:0 5px 3px 0;background:var(--fv-color);vertical-align:middle}.fv-workspace .fv-live-value{font-family:ui-monospace,monospace;font-size:11px;color:var(--fv-accent);padding-bottom:7px}.fv-workspace .fv-minor-controls{padding:0;border:0;margin-bottom:10px;gap:10px}.fv-workspace .fv-minor-controls select{height:29px;font-size:11px}.fv-workspace .fv-minor-controls input{height:29px}.fv-row-note{width:100%;font-size:11px;color:var(--fv-muted)}.fv-tablewrap{overflow:auto}.fv-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:14px;font-size:11px;color:var(--fv-muted)}
:root[data-theme=light] .fv-workspace{--fv-bg:#f4f7fa;--fv-panel:#fff;--fv-line:#cedae4;--fv-text:#1e3146;--fv-muted:#526c84;--fv-accent:#136e86;box-shadow:0 25px 100px #183b5d44}:root[data-theme=light] .fv-status{background:#e4f3f5;color:#225563}:root[data-theme=light] .fv-status[data-state=stale],:root[data-theme=light] .fv-status[data-state=solving],:root[data-theme=light] .fv-status[data-state=warning]{background:#fff3d9;color:#785315}:root[data-theme=light] .fv-status[data-state=error]{background:#ffe7e3;color:#8c3229}
@media(min-width:1600px){.fv-workspace{inset:60px 30px 22px}.fv-head{padding-top:22px}.fv-content{padding-top:20px}.fv-grid{gap:20px}}@media(max-width:950px){.fv-grid{grid-template-columns:1fr}.fv-workspace{inset:54px 8px 8px}.fv-head,.fv-toolbar{padding-left:14px;padding-right:14px}.fv-content{padding:12px 14px 18px}.fv-status{margin-left:14px;margin-right:14px}.fv-head h2{font-size:19px}.fv-stats{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){.fv-workspace{inset:8px 5px}.fv-head{gap:8px}.fv-head p{font-size:11px}.fv-head h2{font-size:17px}.fv-head>.fv-actions{flex-direction:column}.fv-button{font-size:11px;padding:7px 9px}.fv-toolbar{gap:8px}.fv-workspace input[type=number]{width:80px}.fv-stats{grid-template-columns:repeat(2,1fr)}.fv-tag{font-size:9px}.fv-card-head{padding:10px}.fv-card-body{padding:10px}.fv-track-config input[type=number]{width:67px}}