._root_6xh4z_1{color:#fff;word-break:keep-all;overflow-wrap:anywhere;background:radial-gradient(circle at 14% 0,#5b99ff2e,#0000 30%),#111b33;border:1px solid #ffffff24;border-radius:24px;min-width:0;margin-top:24px;padding:20px;box-shadow:0 28px 72px #0c183457}._classroomMode_6xh4z_31{z-index:1000;background:#111b33;border:0;border-radius:0;margin:0;padding:26px;position:fixed;inset:0;overflow:auto}._header_6xh4z_55,._cardHeading_6xh4z_57{justify-content:space-between;align-items:flex-start;gap:22px;display:flex}._header_6xh4z_55>*,._cardHeading_6xh4z_57>*,._workspace_6xh4z_75>*,._magnetWorkspace_6xh4z_77>*,._flow_6xh4z_79>*,._magnetConditions_6xh4z_81>*,._magnetSamples_6xh4z_83>*{min-width:0}._header_6xh4z_55 h2{color:#fff;font-size:var(--font-size-title);margin:4px 0 8px;line-height:1.1}._header_6xh4z_55 p,._cardHeading_6xh4z_57 p{color:#ffffffa8;margin:0;line-height:1.6}._header_6xh4z_55>div:first-child>p:last-child{max-width:780px}._kicker_6xh4z_127{font-size:var(--font-size-small);letter-spacing:.1em;font-weight:900;color:#83b8ff!important}._actions_6xh4z_141,._predictionButtons_6xh4z_143{flex-wrap:wrap;gap:8px;display:flex}._actions_6xh4z_141 button,._modeTabs_6xh4z_157 button,._predictionButtons_6xh4z_143 button,._connectionList_6xh4z_161 button,._powerButton_6xh4z_163{font:inherit;cursor:pointer}._actions_6xh4z_141 button{color:#fff;background:#ffffff14;border:1px solid #ffffff2e;border-radius:999px;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:9px 12px;font-weight:850;display:inline-flex}._actions_6xh4z_141 button:hover,._actions_6xh4z_141 button:focus-visible,._modeTabs_6xh4z_157 button:hover,._modeTabs_6xh4z_157 button:focus-visible,._predictionButtons_6xh4z_143 button:hover,._predictionButtons_6xh4z_143 button:focus-visible,._connectionList_6xh4z_161 button:hover,._connectionList_6xh4z_161 button:focus-visible,._powerButton_6xh4z_163:hover,._powerButton_6xh4z_163:focus-visible{border-color:#83b8ff;outline:none;box-shadow:0 0 0 3px #83b8ff33}._modeTabs_6xh4z_157{background:#ffffff12;border:1px solid #ffffff24;border-radius:999px;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;width:min(430px,100%);margin:16px auto 0;padding:5px;display:grid}._modeTabs_6xh4z_157 button{color:#ffffffa8;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:900;display:flex}._modeTabs_6xh4z_157 ._activeTab_6xh4z_281{color:#101a31;background:#83b8ff;box-shadow:0 8px 22px #5b99ff38}._flow_6xh4z_79{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px;display:grid}._flow_6xh4z_79 article{background:#ffffff0f;border:1px solid #ffffff1f;border-radius:14px;min-height:76px;padding:12px 14px}._flow_6xh4z_79 span,._predictionCard_6xh4z_325 span,._cardHeading_6xh4z_57 span,._resultBox_6xh4z_329 span,._magnetResult_6xh4z_331>span,._magnetSample_6xh4z_83 header span,._magnetConditions_6xh4z_81 span:not(._onlyDifference_6xh4z_335){color:#83b8ff;font-size:var(--font-size-small);letter-spacing:.07em;font-weight:900;display:block}._flow_6xh4z_79 strong{font-size:var(--font-size-small);margin-top:5px;display:block}._predictionCard_6xh4z_325{background:#ffffff12;border:1px solid #ffffff21;border-radius:16px;grid-template-columns:minmax(240px,.85fr) auto minmax(260px,1fr);align-items:center;gap:14px;margin-top:12px;padding:14px;display:grid}._predictionCard_6xh4z_325 strong{margin-top:5px;line-height:1.45;display:block}._predictionCard_6xh4z_325>p{color:#ffffffc2;font-size:var(--font-size-small);background:#64d4c51a;border-left:4px solid #64d4c5;border-radius:8px;margin:0;padding:11px 13px;line-height:1.5}._predictionButtons_6xh4z_143{flex-wrap:nowrap}._predictionButtons_6xh4z_143 button{color:#fff;background:#ffffff12;border:1px solid #ffffff29;border-radius:999px;min-width:60px;min-height:42px;padding:8px 11px;font-weight:850}._predictionButtons_6xh4z_143 button[aria-pressed=true]{color:#cffff8;background:#64d4c533;border-color:#64d4c5}._workspace_6xh4z_75,._magnetWorkspace_6xh4z_77{grid-template-columns:minmax(0,1.7fr) minmax(285px,.55fr);gap:12px;margin-top:12px;display:grid}._sceneCard_6xh4z_479,._controls_6xh4z_481,._magnetComparison_6xh4z_483,._magnetResult_6xh4z_331{background:#ffffff0f;border:1px solid #ffffff1f;border-radius:20px}._sceneCard_6xh4z_479,._magnetComparison_6xh4z_483{padding:12px}._cardHeading_6xh4z_57{margin-bottom:10px}._cardHeading_6xh4z_57 strong{font-size:var(--font-size-body);margin-top:4px;display:block}._cardHeading_6xh4z_57 p{max-width:340px;font-size:var(--font-size-small);text-align:right}._circuitScene_6xh4z_539{border-radius:17px;width:100%;min-height:500px;display:block}._sceneTitle_6xh4z_553,._sceneHint_6xh4z_555,._partLabel_6xh4z_557,._batteryMark_6xh4z_559{font-family:var(--font-noto), sans-serif}._sceneTitle_6xh4z_553{fill:#ffffffd1;font-size:var(--font-size-body);font-weight:900}._sceneHint_6xh4z_555{fill:#ffffff94;font-size:var(--font-size-small);font-weight:750}._partLabel_6xh4z_557{fill:#fff;font-size:var(--font-size-small);font-weight:900}._batteryBody_6xh4z_603{fill:#e8edf7;stroke:#89a0c8;stroke-width:5px}._batteryCap_6xh4z_615{fill:#f6c54c}._batteryMark_6xh4z_559{fill:#233659;font-size:var(--font-size-title);font-weight:950}._bulbOff_6xh4z_635,._bulbLit_6xh4z_637{stroke-width:7px}._bulbOff_6xh4z_635{fill:#bac4d7;stroke:#7f91af}._bulbLit_6xh4z_637{fill:#fff3a6;stroke:#ffd34f;filter:drop-shadow(0 0 18px #ffdd5bc7)}._filament_6xh4z_667{fill:none;stroke:#6f4d24;stroke-width:6px;stroke-linecap:round}._bulbBase_6xh4z_681{fill:#7a8ba8}._wireButton_6xh4z_689,._switchButton_6xh4z_691{cursor:pointer;outline:none}._wireButton_6xh4z_689:focus-visible ._wireHitArea_6xh4z_701,._switchButton_6xh4z_691:focus-visible ._switchHitArea_6xh4z_703{stroke:#fff;stroke-width:5px}._wireHitArea_6xh4z_701{fill:none;stroke:#0000;stroke-width:30px}._connectedWire_6xh4z_725,._missingWire_6xh4z_727{fill:none;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}._connectedWire_6xh4z_725{stroke:#64d4c5;filter:drop-shadow(0 0 6px #64d4c570)}._missingWire_6xh4z_727{stroke:#ffffff52;stroke-dasharray:14 12}._switchHitArea_6xh4z_703{fill:#0000;stroke:#0000}._switchTerminal_6xh4z_771{fill:#e8edf7;stroke:#89a0c8;stroke-width:5px}._switchLever_6xh4z_783{stroke:#f6c54c;stroke-width:11px;stroke-linecap:round}._controls_6xh4z_481{flex-direction:column;gap:10px;padding:12px;display:flex}._resultBox_6xh4z_329,._scopeNote_6xh4z_811{border-radius:15px;padding:15px}._resultBox_6xh4z_329{background:linear-gradient(145deg,#5b99ff2e,#ffffff0d)}._resultBox_6xh4z_329 strong,._magnetResult_6xh4z_331>strong{font-size:var(--font-size-title);margin-top:6px;line-height:1.35;display:block}._resultBox_6xh4z_329 p,._scopeNote_6xh4z_811 p,._magnetResult_6xh4z_331 p,._magnetSample_6xh4z_83 p{color:#ffffffad;font-size:var(--font-size-small);margin:8px 0 0;line-height:1.55}._connectionList_6xh4z_161{gap:7px;display:grid}._connectionList_6xh4z_161 button{color:#fff;text-align:left;background:#ffffff0f;border:1px solid #ffffff21;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;min-height:48px;padding:9px 11px;font-weight:800;display:grid}._connectionList_6xh4z_161 button strong{color:#ffffff94;font-size:var(--font-size-small)}._statusOn_6xh4z_915,._statusOff_6xh4z_917{border-radius:50%;width:11px;height:11px}._statusOn_6xh4z_915{background:#64d4c5;box-shadow:0 0 0 5px #64d4c524}._statusOff_6xh4z_917{background:#70809e}._powerButton_6xh4z_163{color:#fff;background:#315b9e;border:1px solid #7198d8;border-radius:999px;justify-content:center;align-items:center;gap:9px;min-height:52px;padding:10px 16px;font-weight:900;display:flex}._powerOn_6xh4z_975{background:#24796e;border-color:#64d4c5;box-shadow:0 10px 26px #24796e42}._scopeNote_6xh4z_811{background:#ffffff0d;border:1px solid #ffffff1f;margin-top:auto}._scopeNote_6xh4z_811 strong{color:#83b8ff}._magnetConditions_6xh4z_81{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px;display:grid}._magnetConditions_6xh4z_81 article{background:#ffffff0f;border:1px solid #ffffff1f;border-radius:13px;grid-template-columns:auto 1fr;align-items:center;gap:3px 9px;min-height:72px;padding:12px;display:grid}._magnetConditions_6xh4z_81 svg,._onlyDifference_6xh4z_335{color:#64d4c5;grid-row:1/span 2}._magnetConditions_6xh4z_81 strong{font-size:var(--font-size-small)}._onlyDifference_6xh4z_335{width:25px;height:25px;font-size:var(--font-size-small);border:2px solid;border-radius:50%;place-items:center;font-weight:950;display:grid}._magnetSamples_6xh4z_83{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}._magnetSample_6xh4z_83{background:#0811248a;border:1px solid #ffffff21;border-radius:17px;overflow:hidden}._magnetSample_6xh4z_83 header{justify-content:space-between;align-items:end;gap:10px;padding:12px 14px 0;display:flex}._magnetSample_6xh4z_83 header strong{font-size:var(--font-size-title)}._magnetScene_6xh4z_1137{background-color:#172746;background-image:linear-gradient(#ffffff09 1px,#0000 1px),linear-gradient(90deg,#ffffff09 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:28px 28px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;border-radius:13px;min-height:280px;margin:8px;position:relative;overflow:hidden}._fieldHalo_6xh4z_1163{opacity:0;border:4px solid #0000;border-radius:50%;width:180px;height:150px;transition:all .18s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}._magnetActive_6xh4z_1189 ._fieldHalo_6xh4z_1163{opacity:1;border-color:#64d4c5a8;box-shadow:0 0 0 18px #64d4c514,0 0 38px #64d4c547}._strongerMagnet_6xh4z_1205._magnetActive_6xh4z_1189 ._fieldHalo_6xh4z_1163{border-color:#83b8ffd1;width:225px;height:190px;box-shadow:0 0 0 25px #83b8ff17,0 0 48px #5b99ff66}._ironCore_6xh4z_1223{background:linear-gradient(#d9e0ea,#8391a7);border:4px solid #8997ad;border-radius:4px;width:205px;height:37px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}._nailHead_6xh4z_1247{background:#aab5c5;border-radius:5px;width:26px;height:72px;position:absolute;top:50%;left:calc(50% - 118px);transform:translate(-50%,-50%)}._nailTip_6xh4z_1269{border-top:20px solid #0000;border-bottom:20px solid #0000;border-left:34px solid #8997ad;width:0;height:0;position:absolute;top:50%;left:calc(50% + 116px);transform:translateY(-50%)}._coil_6xh4z_1293{justify-content:center;align-items:center;gap:2px;width:180px;height:92px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}._coil_6xh4z_1293 i{background:0 0;border:6px solid #d17843;border-radius:50%;flex:auto;max-width:18px;height:88px;box-shadow:inset 0 0 0 2px #ffd09347}._currentLabel_6xh4z_1339{color:#ffffffb8;font-size:var(--font-size-small);background:#030c1cb8;border-radius:999px;padding:6px 9px;font-weight:900;position:absolute;bottom:12px;right:12px}._magnetSample_6xh4z_83>p{min-height:58px;margin:0;padding:0 14px 13px}._magnetComparison_6xh4z_483>._powerButton_6xh4z_163{width:min(320px,100%);margin:11px auto 0}._magnetResult_6xh4z_331{flex-direction:column;padding:18px;display:flex}._magnetResult_6xh4z_331>p{font-size:var(--font-size-small)}._magnetResult_6xh4z_331>div{border-top:1px solid #ffffff1f;margin-top:auto;padding-top:18px}._magnetResult_6xh4z_331 b{color:#83b8ff}._announcement_6xh4z_1425{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=980px){._header_6xh4z_55,._cardHeading_6xh4z_57{flex-direction:column}._cardHeading_6xh4z_57 p{text-align:left;max-width:none}._predictionCard_6xh4z_325{grid-template-columns:1fr auto}._predictionCard_6xh4z_325>p{grid-column:1/-1}._workspace_6xh4z_75,._magnetWorkspace_6xh4z_77{grid-template-columns:1fr}._circuitScene_6xh4z_539{min-height:440px}._controls_6xh4z_481{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}._resultBox_6xh4z_329,._scopeNote_6xh4z_811{grid-column:1/-1}}@media (width<=640px){._root_6xh4z_1,._classroomMode_6xh4z_31{padding:9px}._actions_6xh4z_141{width:100%}._actions_6xh4z_141 button{flex:140px}._flow_6xh4z_79,._magnetConditions_6xh4z_81,._magnetSamples_6xh4z_83,._controls_6xh4z_481,._predictionCard_6xh4z_325{grid-template-columns:1fr}._predictionCard_6xh4z_325>p,._resultBox_6xh4z_329,._scopeNote_6xh4z_811{grid-column:auto}._predictionButtons_6xh4z_143{flex-wrap:wrap}._predictionButtons_6xh4z_143 button{flex:72px}._circuitScene_6xh4z_539{min-height:330px}._sceneTitle_6xh4z_553{font-size:var(--font-size-title)}._sceneHint_6xh4z_555{display:none}._partLabel_6xh4z_557{font-size:var(--font-size-title)}._magnetScene_6xh4z_1137{min-height:245px}}@media (prefers-reduced-motion:reduce){._fieldHalo_6xh4z_1163{transition:none}}@media print{._actions_6xh4z_141,._modeTabs_6xh4z_157,._flow_6xh4z_79,._predictionCard_6xh4z_325,._controls_6xh4z_481,._magnetConditions_6xh4z_81,._powerButton_6xh4z_163{display:none}._root_6xh4z_1,._classroomMode_6xh4z_31{box-shadow:none;color:#1f2933;background:#fff;border:0;margin:0;padding:0;position:static;inset:auto;overflow:visible}}