._lesson_ac8hp_2{--plus:#e0794f;--minus:#4f8fd0}._figureRow_ac8hp_3{border:1px solid var(--border);background:var(--plot,#fff);border-radius:8px;grid-template-columns:minmax(0,380px) minmax(0,1fr);align-items:center;gap:24px;margin:6px 0 24px;padding:14px 18px;display:grid}._svg_ac8hp_4{width:100%;height:auto;display:block}._side_ac8hp_5{flex-direction:column;gap:12px;display:flex}._wheel_ac8hp_6{fill:none;stroke:#8d969c;stroke-width:6px}._spoke_ac8hp_7{stroke:#b6bdc2;stroke-width:2px}._mark_ac8hp_8{fill:#e0794f}._axle_ac8hp_9{stroke:#6b747a;stroke-width:4px;stroke-linecap:round}._arrowWarm_ac8hp_10{stroke:#e0794f;stroke-width:5px;stroke-linecap:round}._headWarm_ac8hp_11{fill:#e0794f}._fieldSvg_ac8hp_12{width:100%;height:auto;max-height:440px;padding:10px;display:block}._southPole_ac8hp_13{fill:#3f6fb8}._northPole_ac8hp_14{fill:#c7432f}._fieldLine_ac8hp_15{fill:none;stroke:#7fa9a0;stroke-width:1.6px;opacity:.8}._headField_ac8hp_16{fill:#7fa9a0}._magnetNorth_ac8hp_17{stroke:#c7432f;stroke-width:9px;stroke-linecap:round}._magnetSouth_ac8hp_18{stroke:#3f6fb8;stroke-width:9px;stroke-linecap:round}._pushArrow_ac8hp_19{stroke:#3e9b5f;stroke-width:5px}._headPush_ac8hp_20{fill:#3e9b5f}._split_ac8hp_21{grid-template-columns:minmax(0,1fr) 230px;align-items:start;gap:28px;display:grid}._figure_ac8hp_3{border:1px solid var(--border);background:var(--plot,#fff);border-radius:8px;margin:0;padding:10px}._figure_ac8hp_3 figcaption{color:var(--muted);flex-direction:column;gap:6px;margin-top:6px;font-size:13px;display:flex}._edhSvg_ac8hp_24{width:100%;height:auto;display:block}._thread_ac8hp_25{stroke:#8d969c;stroke-width:1.5px}._rod_ac8hp_26{fill:#7d858c;stroke:#5d656b}._coil_ac8hp_27{fill:none;stroke:#c27a3d;stroke-width:2.5px}._electronArrow_ac8hp_28{stroke:#e0794f;stroke-width:3px;transition:all .6s}._twistArrow_ac8hp_29{fill:none;stroke:#e0794f;stroke-width:3px}._figureButton_ac8hp_30{border:1px solid var(--border);color:var(--ink);border-radius:6px;align-self:flex-start;padding:6px 10px;font-size:13px}._figureButton_ac8hp_30[aria-pressed=true]{box-shadow:inset 2px 0 0 var(--warm)}._predict_ac8hp_32{border-top:1px solid var(--border);color:var(--muted);flex-direction:column;gap:6px;padding-top:8px;font-size:13px;display:flex}._predict_ac8hp_32 .katex{color:var(--ink);font-size:1.05em}._summary_ac8hp_34{flex-direction:column;gap:8px;max-width:88ch;margin:4px 0 18px;padding-left:22px;font-size:16px;line-height:1.8;display:flex}.dark ._spoke_ac8hp_7{stroke:#5d666d}.dark ._rod_ac8hp_26{fill:#5b6369}@media (max-width:860px){._figureRow_ac8hp_3,._split_ac8hp_21{grid-template-columns:1fr}._figure_ac8hp_3{max-width:300px}}