._experience_81qxi_1{--nine-ink:#14213d;--nine-navy:#09204c;--nine-cyan:#2c64b6;--nine-line:#dbe3ec;--nine-pale:#f4f7fa}._stepCard_81qxi_9{border:1px solid var(--nine-line);background:#fff;border-radius:clamp(22px,2.5vw,30px);min-width:0;overflow:hidden;box-shadow:0 22px 64px #09204c12}._stepStack_81qxi_18{gap:clamp(16px,2vw,24px);padding:clamp(14px,2.4vw,28px);display:grid}._fieldHint_81qxi_19{color:#687d8b;margin-top:.3rem;font-size:1rem;font-weight:500;line-height:1.55;display:block}._floorCallout_81qxi_21,._noRandom_81qxi_22,._adaptNotice_81qxi_23,._note_81qxi_24,._mirrorWarning_81qxi_25{border-radius:1.1rem;align-items:center;gap:1rem;padding:1rem 1.1rem;display:flex}._floorCallout_81qxi_21{background:#eaf9fa;border:1px solid #97d6dd}._floorCallout_81qxi_21>div:first-child{aspect-ratio:1;color:#fff;background:#0d8da1;border-radius:50%;flex:0 0 3.5rem;place-items:center;font-size:1.7rem;font-weight:900;display:grid}._floorCallout_81qxi_21 p,._floorCallout_81qxi_21 h3,._floorCallout_81qxi_21 strong{margin:0}._floorCallout_81qxi_21 p{color:#08788a;letter-spacing:.04em;font-size:.9rem;font-weight:900}._floorCallout_81qxi_21 h3{color:#113f53;margin-top:.15rem;font-size:1.18rem;line-height:1.45}._floorCallout_81qxi_21 strong{color:#4b6775;margin-top:.25rem;font-size:1rem;line-height:1.6;display:block}._prepLine_81qxi_42{color:#405f70;background:#f7fafc;border:1px solid #cbdce5;border-radius:.9rem;flex-wrap:wrap;align-items:baseline;gap:.35rem .8rem;margin:0;padding:.72rem .9rem;line-height:1.5;display:flex}._prepLine_81qxi_42 strong{color:#173f55}._prepLine_81qxi_42 span{font-weight:750}._prepLine_81qxi_42 small{color:#6a7f8b;margin-left:auto;font-size:.9rem}._checkStack_81qxi_47{gap:.65rem;display:grid}._toolCompare_81qxi_48{grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;display:grid}._toolCompare_81qxi_48 article{border:1px solid var(--nine-line);background:#f8fbfd;border-radius:1rem;align-items:center;gap:1rem;min-width:0;padding:1rem;display:flex}._toolCompare_81qxi_48 article>div{min-width:0}._toolCompare_81qxi_48 h3,._toolCompare_81qxi_48 p{margin:0}._toolCompare_81qxi_48 h3{color:var(--nine-ink);font-size:1.08rem}._toolCompare_81qxi_48 p{color:#557080;margin-top:.3rem;font-size:1rem;line-height:1.6}._toolCompare_81qxi_48 .stop-snap{flex:0 0 5rem}._decisionPair_81qxi_56{flex:0 0 6rem;gap:.35rem;display:grid}._decisionPair_81qxi_56 b{color:#21465a;text-align:center;background:#fff;border:1px solid #b9cfda;border-radius:.55rem;padding:.42rem .35rem;font-size:.92rem}._note_81qxi_24{background:#f2f6f8;border-left:.35rem solid #6e93ab;align-items:flex-start}._note_81qxi_24 strong{color:#24465a;flex:0 0 15rem}._note_81qxi_24 p{color:#536b7a;margin:0;line-height:1.65}._twoRuleCards_81qxi_62,._twoColumns_81qxi_63,._branchMap_81qxi_64,._depthCards_81qxi_65{grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;display:grid}._twoRuleCards_81qxi_62 article{border:1px solid var(--nine-line);border-radius:1rem;padding:1.1rem}._twoRuleCards_81qxi_62 article[data-kind=straight]{background:#edf8f4}._twoRuleCards_81qxi_62 article[data-kind=turn]{background:#eef4fb}._twoRuleCards_81qxi_62 span{color:#244d61;background:#fff;border-radius:999px;padding:.32rem .65rem;font-size:.8rem;font-weight:900;display:inline-flex}._twoRuleCards_81qxi_62 h3{color:var(--nine-ink);margin:.7rem 0 .3rem;font-size:1.05rem}._twoRuleCards_81qxi_62 p{color:#557080;margin:0;line-height:1.65}._noRandom_81qxi_22{background:#fff5f4;border:1px solid #efc3bf}._noRandom_81qxi_22>span{aspect-ratio:1;color:#fff;background:#b6453d;border-radius:50%;flex:0 0 2.8rem;place-items:center;font-size:1.4rem;font-weight:900;display:grid}._noRandom_81qxi_22 p,._noRandom_81qxi_22 h3,._noRandom_81qxi_22 strong{margin:0}._noRandom_81qxi_22 p{color:#a23f38;font-size:.9rem;font-weight:900}._noRandom_81qxi_22 h3{color:#652c28;margin-top:.1rem;font-size:1.15rem}._noRandom_81qxi_22 strong{color:#75504d;margin-top:.2rem;font-size:1rem;line-height:1.55;display:block}._modelChoice_81qxi_81,._binaryChoice_81qxi_82{border:1px solid #cad9e3;border-radius:1rem;margin:0;padding:.9rem}._modelChoice_81qxi_81 legend,._binaryChoice_81qxi_82 legend{color:#1f4256;padding:0 .35rem;font-weight:900}._modelChoice_81qxi_81>label{background:#f5f9fb;border-radius:.75rem;align-items:flex-start;gap:.75rem;margin-top:.65rem;padding:.75rem;display:flex}._modelChoice_81qxi_81 input,._binaryChoice_81qxi_82 input{accent-color:#0e8799;width:1.1rem;height:1.1rem}._modelChoice_81qxi_81 label span{gap:.18rem;display:grid}._modelChoice_81qxi_81 label small{color:#627785;line-height:1.5}._binaryChoice_81qxi_82>div{gap:.65rem;margin-top:.5rem;display:flex}._binaryChoice_81qxi_82 label{background:#f4f8fa;border-radius:.75rem;align-items:center;gap:.45rem;min-width:7rem;padding:.65rem .75rem;font-weight:800;display:flex}._snapRecall_81qxi_93{background:#f7fafc;border:1px solid #bfd3df;border-radius:1rem;overflow:hidden}._snapRecall_81qxi_93>header{background:#eaf3f7;padding:.9rem 1rem}._snapRecall_81qxi_93>header p,._snapRecall_81qxi_93>header h3{margin:0}._snapRecall_81qxi_93>header p{color:#0b8292;font-size:.9rem;font-weight:900}._snapRecall_81qxi_93>header h3{color:#173f55;margin-top:.15rem;font-size:1.15rem}._recallPrompts_81qxi_99{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:0;padding:.85rem;list-style:none;display:grid}._recallPrompts_81qxi_99 li{background:#fff;border:1px solid #d4e1e8;border-radius:.85rem;grid-template-columns:auto 1fr;align-items:center;gap:.3rem .6rem;min-width:0;padding:.8rem;display:grid}._recallPrompts_81qxi_99 li>span{aspect-ratio:1;color:#fff;background:#173f55;border-radius:50%;grid-row:1/3;place-items:center;width:2rem;font-weight:900;display:grid}._recallPrompts_81qxi_99 strong{color:#24485c;font-size:1rem;line-height:1.45}._recallPrompts_81qxi_99 small{color:#667d8a;font-size:.88rem;line-height:1.4}._recallAnswer_81qxi_104{background:#fff;border-top:1px solid #d5e2e9;padding:.85rem}._recallAnswer_81qxi_104 summary{color:#16465d;cursor:pointer;background:#f7fbfc;border:1px solid #83adbd;border-radius:999px;width:fit-content;padding:.58rem .9rem;font-size:1rem;font-weight:900}._recallAnswer_81qxi_104 summary:focus-visible{outline-offset:2px;outline:3px solid #72b8c8}._recallAnswer_81qxi_104[open] summary{margin-bottom:.85rem}._recallAnswerGrid_81qxi_108{grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem;display:grid}._recallAnswerGrid_81qxi_108 article{color:#24485c;background:#f8fbfc;border:1px solid #d4e1e8;border-radius:.75rem;align-items:center;gap:.75rem;padding:.65rem;display:flex}._recallAnswerGrid_81qxi_108 .stop-snap{flex:0 0 3.3rem}._recallAnswerGrid_81qxi_108 strong{font-size:1rem}._recallAnswer_81qxi_104 ._recallResult_81qxi_112,._recallAnswer_81qxi_104 ._noRandom_81qxi_22,._recallAnswer_81qxi_104 ._checkStack_81qxi_47{margin-top:.85rem}._recallResult_81qxi_112{background:#eaf8f9;border-left:.4rem solid #1690a1;border-radius:.9rem;padding:.9rem 1rem}._recallResult_81qxi_112 p,._recallResult_81qxi_112 h3{margin:0}._recallResult_81qxi_112 p{color:#0b7d8c;font-size:.9rem;font-weight:900}._recallResult_81qxi_112 h3{color:#153f53;margin-top:.15rem;font-size:1.15rem}._recallResult_81qxi_112 span{color:#426575;margin-top:.35rem;font-size:1rem;font-weight:800;display:block}._courseFigure_81qxi_122{background:#f8fbfd;border:1px solid #d6e3eb;border-radius:1.1rem;margin:0;overflow:hidden}._courseToolbar_81qxi_123{background:#f1f6f9;border-bottom:1px solid #dfe8ee;justify-content:space-between;align-items:center;gap:1rem;padding:.7rem .9rem;display:flex}._courseToolbar_81qxi_123>div{gap:.1rem;display:grid}._courseToolbar_81qxi_123 strong{color:#193f54;font-size:1rem}._courseToolbar_81qxi_123 small{color:#627987;font-size:.88rem}._courseZoom_81qxi_127>summary{color:#17465e;cursor:pointer;background:#fff;border:1px solid #8fb1c3;border-radius:999px;width:fit-content;min-height:44px;margin:.6rem .9rem;padding:.5rem .8rem;font-size:.92rem;font-weight:900}._courseZoom_81qxi_127>summary:hover{background:#e7f2f6}._courseZoom_81qxi_127>summary:focus-visible{outline-offset:2px;outline:3px solid #72b8c8}._courseViewport_81qxi_130{overscroll-behavior-inline:contain;scrollbar-color:#8db0c2 #e7eff3;overflow:hidden}._courseViewport_81qxi_130[data-expanded=true]{overflow-x:auto}._courseStage_81qxi_132{background:#fff;width:100%;min-width:0;position:relative;container-type:inline-size}._courseStage_81qxi_132[data-expanded=true]{max-width:none}._courseTrackImage_81qxi_134{z-index:1;position:absolute}._courseTrackImage_81qxi_134 img{z-index:1;object-fit:contain}._endpointMountedSnap_81qxi_136{z-index:3;transform-origin:50%;pointer-events:none;display:block;position:absolute}._endpointMountedSnap_81qxi_136 .stop-snap{width:100%;display:block}._courseVehicle_81qxi_138{z-index:2;aspect-ratio:2;transform-origin:50%;pointer-events:none;position:absolute}._courseVehicle_81qxi_138 img{object-fit:contain}._courseCallout_81qxi_140{z-index:4;color:#173f55;text-shadow:-2px -2px #fff,2px -2px #fff,-2px 2px #fff,2px 2px #fff;white-space:nowrap;font-size:clamp(1rem,1.8vw,1.35rem);font-weight:950;line-height:1;position:absolute;transform:translate(-50%,-50%)}._courseCallout_81qxi_140[data-kind=branch]{color:#8e430e;text-shadow:none;background:#fff7ec;border:2px solid #b85c16;border-radius:.48rem;padding:.2rem .4rem;font-size:clamp(.78rem,1.25vw,.98rem)}._courseFigure_81qxi_122 figcaption{color:#536d7c;border-top:1px solid #dfe8ee;padding:.75rem .95rem;font-size:1rem;line-height:1.6}._compactCourseFigure_81qxi_143{border-radius:.75rem}._routeQuiz_81qxi_145{background:#f5f9fb;border:1px solid #bed3df;border-radius:1rem;overflow:hidden}._routeQuiz_81qxi_145>header{background:#e9f2f6;padding:.55rem .75rem}._routeQuiz_81qxi_145>header p,._routeQuiz_81qxi_145>header h3,._routeQuiz_81qxi_145>header small{margin:0}._routeQuiz_81qxi_145>header p{color:#0b7d8c;font-size:.9rem;font-weight:900}._routeQuiz_81qxi_145>header h3{color:#183b50;margin-top:.1rem;font-size:1.05rem}._routeQuiz_81qxi_145>header small{color:#587180;margin-top:.16rem;font-size:.84rem;display:block}._routeQuizGrid_81qxi_153{grid-template-columns:repeat(2,minmax(0,1fr));gap:.42rem;padding:.48rem;display:grid}._routeQuizCard_81qxi_154{background:#fff;border:1px solid #d4e1e8;border-radius:.7rem;min-width:0;margin:0;padding:.4rem}._routeQuizCard_81qxi_154 legend{color:#173f55;align-items:center;gap:.55rem;padding:0 .2rem;display:flex}._routeQuizCard_81qxi_154 legend span{color:#67808e;font-size:.82rem;font-weight:900}._routeQuizCard_81qxi_154 legend strong{font-size:1.15rem}._routeQuestion_81qxi_158{color:#38586a;margin:.2rem 0 0;font-size:.82rem;font-weight:800;line-height:1.3}._routeQuizCard_81qxi_154>div{grid-template-columns:repeat(4,minmax(0,1fr));gap:.25rem;margin-top:.25rem;display:grid}._routeQuizCard_81qxi_154>div label{min-width:0}._routeQuizCard_81qxi_154 input{opacity:0;pointer-events:none;position:absolute}._routeQuizCard_81qxi_154>div label>span{color:#415e6e;cursor:pointer;text-align:center;border:1px solid #d8e3e9;border-radius:.5rem;align-content:center;justify-items:center;gap:.06rem;min-height:2.85rem;padding:.2rem;display:grid}._routeQuizCard_81qxi_154>div label>span .stop-snap{width:1.85rem}._routeQuizCard_81qxi_154>div label>span i{aspect-ratio:1;color:#607887;border:1px dashed #8aa1ae;border-radius:.45rem;place-items:center;width:1.65rem;font-size:.9rem;font-style:normal;font-weight:900;display:grid}._routeQuizCard_81qxi_154>div label>span b{white-space:normal;overflow-wrap:anywhere;min-width:0;max-width:100%;font-size:.84rem}._routeQuizCard_81qxi_154 input:checked+span{color:#124f5b;background:#eaf7f8;border-color:#0b7f90;box-shadow:inset 0 0 0 1px #0b7f90}._routeQuizCard_81qxi_154 input:focus-visible+span{outline-offset:2px;outline:3px solid #72b8c8}._observationGrid_81qxi_168{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;display:grid}._observationGrid_81qxi_168 textarea{min-height:4.4rem}._challengeExperiment_81qxi_170{background:#fff8e8;border-left:.38rem solid #c58a20;border-radius:.9rem;padding:1rem}._challengeExperiment_81qxi_170 p,._challengeExperiment_81qxi_170 h3,._challengeExperiment_81qxi_170 span{margin:0}._challengeExperiment_81qxi_170 p{color:#926516;font-size:.9rem;font-weight:900}._challengeExperiment_81qxi_170 h3{color:#5d471e;margin-top:.18rem;font-size:1.08rem;line-height:1.5}._challengeExperiment_81qxi_170 span{color:#715f39;margin-top:.4rem;font-size:.96rem;line-height:1.65;display:block}._answerReview_81qxi_178{background:#f4fbf7;border:1px solid #a9d1bf;border-radius:1rem;overflow:hidden}._answerReview_81qxi_178>header{background:#e5f5ed;padding:.9rem 1rem}._answerReview_81qxi_178>header p,._answerReview_81qxi_178>header h3{margin:0}._answerReview_81qxi_178>header p{color:#267054;font-size:.9rem;font-weight:900}._answerReview_81qxi_178>header h3{color:#224f3d;margin-top:.15rem;font-size:1.12rem}._answerReview_81qxi_178>div:not(._answerMap_81qxi_184){grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;padding:.8rem;display:grid}._answerReview_81qxi_178>._answerMap_81qxi_184{background:#fff;border-bottom:1px solid #cfe2d8;padding:.7rem;display:block}._answerReview_81qxi_178 article{background:#fff;border:1px solid #cfe2d8;border-radius:.8rem;gap:.22rem;min-width:0;padding:.75rem;display:grid}._answerReview_81qxi_178 article span{color:#688073;font-size:.82rem;font-weight:900}._answerReview_81qxi_178 article strong{color:#254b3b;font-size:1rem}._answerReview_81qxi_178 article small{color:#677d72;font-size:.9rem}._answerReview_81qxi_178 article b{color:#16704e;font-size:.95rem}._answerMotion_81qxi_191{background:#f0f8f4;border-radius:.65rem;align-items:center;gap:.65rem;margin:.18rem 0;padding:.5rem;display:flex}._answerMotion_81qxi_191 .stop-snap{flex:0 0 3rem;width:3rem}._answerMotion_81qxi_191 i{aspect-ratio:1;color:#426454;border:2px dashed #678175;border-radius:.55rem;flex:0 0 2.5rem;place-items:center;font-size:1.2rem;font-style:normal;font-weight:900;display:grid}._answerReview_81qxi_178>section{background:#fffaf0;border-top:1px solid #cfe2d8;padding:.9rem 1rem}._answerReview_81qxi_178>section h3,._answerReview_81qxi_178>section p{margin:0}._answerReview_81qxi_178>section h3{color:#315b48;font-size:1.08rem}._answerReview_81qxi_178>section p{color:#685c42;margin-top:.38rem;line-height:1.65}._nextCoursePrompt_81qxi_200{color:#fff;background:#123f61;border-radius:1rem;align-items:center;gap:.85rem;padding:.8rem 1rem;display:flex}._nextCoursePrompt_81qxi_200>span{aspect-ratio:1;color:#123f61;background:#fff;border-radius:50%;flex:0 0 3.3rem;place-items:center;font-size:.82rem;font-weight:950;display:grid}._nextCoursePrompt_81qxi_200 p,._nextCoursePrompt_81qxi_200 h3{margin:0}._nextCoursePrompt_81qxi_200 p{color:#bfe7ed;font-size:.82rem;font-weight:900}._nextCoursePrompt_81qxi_200 h3{margin-top:.1rem;font-size:1.12rem}._coverageGoal_81qxi_207{background:#eef9fa;border:1px solid #91cbd2;border-radius:1rem;align-items:center;gap:.9rem;padding:.9rem 1rem;display:flex}._coverageGoal_81qxi_207>span{aspect-ratio:1;color:#fff;background:#0b7f90;border-radius:50%;flex:0 0 3rem;place-items:center;font-size:1.25rem;font-weight:950;display:grid}._coverageGoal_81qxi_207 p,._coverageGoal_81qxi_207 h3,._coverageGoal_81qxi_207 small{margin:0}._coverageGoal_81qxi_207 p{color:#0b7887;font-size:.86rem;font-weight:900}._coverageGoal_81qxi_207 h3{color:#173f55;margin-top:.12rem;font-size:1.08rem;line-height:1.5}._coverageGoal_81qxi_207 small{color:#55717e;margin-top:.25rem;font-size:.9rem;line-height:1.5;display:block}._impossibleReveal_81qxi_216{background:#fff8e8;border:1px solid #e2c37f;border-radius:1rem;align-items:center;gap:1rem;padding:.9rem 1rem;display:flex}._impossibleReveal_81qxi_216>span{color:#a16b12;flex:none;font-size:1.35rem;font-weight:950}._impossibleReveal_81qxi_216 p,._impossibleReveal_81qxi_216 h3{margin:0}._impossibleReveal_81qxi_216 p{color:#906315;font-size:.82rem;font-weight:900}._impossibleReveal_81qxi_216 h3{color:#604b27;margin-top:.15rem;font-size:1rem;line-height:1.55}._sequenceGoal_81qxi_223{background:#eef8f9;border-left:.4rem solid #1499aa;border-radius:.9rem;padding:.95rem 1rem}._sequenceGoal_81qxi_223 p,._sequenceGoal_81qxi_223 h3,._sequenceGoal_81qxi_223 small{margin:0}._sequenceGoal_81qxi_223 p{color:#0c7887;font-size:.9rem;font-weight:900}._sequenceGoal_81qxi_223 h3{color:#183f52;margin-top:.18rem;font-size:1.12rem;line-height:1.5}._sequenceGoal_81qxi_223 small{color:#55717e;margin-top:.3rem;font-size:.93rem;line-height:1.55;display:block}._fixedSetup_81qxi_231{background:#f5f9fb;border:1px solid #bed3df;border-radius:1rem;overflow:hidden}._fixedSetup_81qxi_231>header{background:#e9f2f6;justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 1rem;display:flex}._fixedSetup_81qxi_231 header p,._fixedSetup_81qxi_231 header h3{margin:0}._fixedSetup_81qxi_231 header p{color:#0c8395;font-size:.86rem;font-weight:900}._fixedSetup_81qxi_231 header h3{color:#183b50;margin-top:.12rem;font-size:1.08rem}._fixedSetup_81qxi_231 header small{color:#536f7f;margin-top:.22rem;font-size:.9rem;line-height:1.45;display:block}._fixedSetup_81qxi_231 header>strong{color:#0b6d7a;white-space:nowrap;font-size:1.3rem}._fixedSetupGrid_81qxi_239{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;padding:.75rem;display:grid}._fixedSetupGrid_81qxi_239 fieldset{background:#fff;border:1px solid #d3e1e8;border-radius:.8rem;min-width:0;margin:0;padding:.62rem}._fixedSetupGrid_81qxi_239 legend{color:#173f55;padding:0 .25rem;font-weight:900}._fixedSetupGrid_81qxi_239 fieldset>div{grid-template-columns:repeat(3,minmax(0,1fr));gap:.38rem;display:grid}._fixedSetupGrid_81qxi_239 label{min-width:0}._fixedSetupGrid_81qxi_239 input{opacity:0;pointer-events:none;position:absolute}._fixedSetupGrid_81qxi_239 label>span{color:#425f70;cursor:pointer;border:1px solid #d8e3e9;border-radius:.6rem;justify-items:center;gap:.12rem;padding:.42rem;display:grid}._fixedSetupGrid_81qxi_239 input:checked+span{color:#124f5b;background:#eaf7f8;border-color:#0b7f90;box-shadow:inset 0 0 0 1px #0b7f90}._fixedSetupGrid_81qxi_239 input:focus-visible+span{outline-offset:2px;outline:3px solid #72b8c8}._settingsSummary_81qxi_250{background:#edf9fa;border:1px solid #9cc9d0;border-radius:.9rem;align-items:center;gap:.8rem;padding:.75rem .9rem;display:flex}._settingsSummary_81qxi_250>strong{color:#115d6b;font-size:.92rem}._settingsSummary_81qxi_250>div{flex-wrap:wrap;gap:.45rem;display:flex}._settingsSummary_81qxi_250>div>span{color:#234b5e;background:#fff;border-radius:.55rem;align-items:center;gap:.35rem;padding:.3rem .45rem;display:flex}._settingsSummary_81qxi_250 .stop-snap{width:2.3rem}._settingsSummary_81qxi_250 i{color:#8a3737;font-size:.82rem;font-style:normal}._routeRecorder_81qxi_257{background:#f6fafc;border:1px solid #b9d2de;border-radius:1rem;overflow:visible}._routeRecorder_81qxi_257>header{background:#eaf3f7;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem .9rem;display:flex}._routeRecorder_81qxi_257>header p,._routeRecorder_81qxi_257>header h3{margin:0}._routeRecorder_81qxi_257>header p{color:#0c7a8a;font-size:.82rem;font-weight:900}._routeRecorder_81qxi_257>header h3{color:#173f55;margin-top:.12rem;font-size:1.05rem}._routeRecorder_81qxi_257>header>span{color:#536f7f;font-size:.85rem;font-weight:800}._routeMapSticky_81qxi_264{background:#fff;border-block:1px solid #d9e5eb}._routeCompare_81qxi_265{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;padding:.7rem .8rem 0;display:grid}._routeCompare_81qxi_265 p{background:#fff;border-radius:.65rem;grid-template-columns:auto 1fr;align-items:center;gap:.5rem;margin:0;padding:.55rem .65rem;display:grid}._routeCompare_81qxi_265 span{color:#5b7483;font-size:.82rem;font-weight:900}._routeCompare_81qxi_265 strong{color:#173f55;overflow-wrap:anywhere;min-width:0;font-size:1rem}._routeNumberButtons_81qxi_269{grid-template-columns:repeat(6,minmax(2.8rem,1fr));gap:.5rem;padding:.7rem .8rem;display:grid}._routeNumberButtons_81qxi_269 button{color:#173f55;min-height:3rem;font:inherit;cursor:pointer;background:#fff;border:2px solid #2b6680;border-radius:.7rem;font-size:1.25rem;font-weight:950}._routeNumberButtons_81qxi_269 button:hover{background:#e7f4f7}._routeNumberButtons_81qxi_269 button:focus-visible{outline-offset:2px;outline:3px solid #72b8c8}._routeEditButtons_81qxi_273{justify-content:flex-end;gap:.45rem;padding:0 .8rem .75rem;display:flex}._routeEditButtons_81qxi_273 button{color:#31576b;font:inherit;cursor:pointer;background:#fff;border:1px solid #9bb5c3;border-radius:999px;padding:.38rem .68rem;font-size:.84rem;font-weight:800}._routeEditButtons_81qxi_273 button:disabled{opacity:.45;cursor:default}._trialWorkspace_81qxi_277{background:#f6fafc;border:1px solid #b9d2de;border-radius:1rem;overflow:hidden}._trialWorkspace_81qxi_277>header{background:#eaf3f7;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem .9rem;display:flex}._trialWorkspace_81qxi_277>header p,._trialWorkspace_81qxi_277>header h3{margin:0}._trialWorkspace_81qxi_277>header p{color:#0c7a8a;font-size:.82rem;font-weight:900}._trialWorkspace_81qxi_277>header h3{color:#173f55;margin-top:.12rem;font-size:1.05rem}._trialWorkspace_81qxi_277>header>span{color:#536f7f;white-space:nowrap;font-size:.85rem;font-weight:900}._trialForm_81qxi_284{gap:.75rem;padding:.8rem;display:grid}._trialForm_81qxi_284 ._fixedSetup_81qxi_231{border-radius:.8rem}._routeInput_81qxi_286{color:#244b5f;background:#fff;border-radius:.8rem;grid-template-columns:auto 1fr;align-items:center;gap:.16rem .7rem;padding:.75rem;display:grid}._routeInput_81qxi_286>span{font-weight:900}._routeInput_81qxi_286>small{color:#687f8c;font-size:.84rem}._routeInput_81qxi_286>input{color:#173f55;min-height:3rem;font:inherit;letter-spacing:.04em;background:#fff;border:2px solid #adc3ce;border-radius:.65rem;grid-column:1/-1;padding:.55rem .7rem;font-size:1.08rem;font-weight:850}._routeInput_81qxi_286>input:focus{border-color:#0b7f90;outline:3px solid #0b7f9026}._coverageStatus_81qxi_291{grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:.45rem;display:grid}._coverageStatus_81qxi_291 span{text-align:center;border-radius:.65rem;padding:.55rem .65rem;font-size:.88rem;font-weight:900}._coverageStatus_81qxi_291 span[data-status=ok]{color:#176344;background:#e5f6ed}._coverageStatus_81qxi_291 span[data-status=ng]{color:#8b302d;background:#fff0ef}._coverageSuccess_81qxi_295{color:#185f42;background:#dff4e9;border-radius:.75rem;margin:0;padding:.75rem .85rem;font-weight:900}._recordTrialButton_81qxi_296{justify-self:end}._recordTrialButton_81qxi_296:disabled{cursor:not-allowed;opacity:.5}._trialHistory_81qxi_298{background:#fff;border-top:1px solid #d5e3e9;padding:.8rem}._trialHistory_81qxi_298>h3{color:#173f55;margin:0 0 .6rem;font-size:1rem}._trialHistory_81qxi_298>div{gap:.5rem;display:grid}._trialHistory_81qxi_298 article{background:#f8fbfc;border:1px solid #d4e2e8;border-radius:.7rem;grid-template-columns:auto auto minmax(9rem,1fr) minmax(10rem,1.2fr);align-items:center;gap:.55rem;padding:.55rem .65rem;display:grid}._trialHistory_81qxi_298 article[data-success=true]{background:#eef9f3;border-color:#8fc9ad}._trialHistory_81qxi_298 article>span{color:#607987;font-size:.82rem;font-weight:900}._trialSettingRow_81qxi_304{flex-wrap:wrap;gap:.25rem;display:flex}._trialSettingRow_81qxi_304 b{color:#31576b;background:#e8f1f5;border-radius:999px;padding:.2rem .38rem;font-size:.78rem}._trialHistory_81qxi_298 article>strong{color:#173f55;overflow-wrap:anywhere;font-size:.92rem}._trialHistory_81qxi_298 article>small{color:#617784;font-size:.84rem}._trialWorkspace_81qxi_277>.evidence-text-field{margin:.8rem}._decisionBuilder_81qxi_310{background:#f5f9fb;border:1px solid #bed3df;border-radius:1rem;overflow:hidden}._decisionBuilder_81qxi_310>header{background:#e9f2f6;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1rem;display:flex}._decisionBuilder_81qxi_310 header p,._decisionBuilder_81qxi_310 header h3{margin:0}._decisionBuilder_81qxi_310 header p{color:#0c8395;font-size:.9rem;font-weight:900}._decisionBuilder_81qxi_310 header h3{color:#183b50;margin-top:.15rem;font-size:1.08rem}._decisionBuilder_81qxi_310 header div>small{color:#536f7f;max-width:48rem;margin-top:.25rem;font-size:.92rem;line-height:1.5;display:block}._decisionBuilder_81qxi_310 header>strong{color:#0b6d7a;font-size:1.25rem}._decisionBuilder_81qxi_310 header small{font-size:.9rem}._movementGrid_81qxi_319{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;padding:.8rem;display:grid}._movementCard_81qxi_320{background:#fff;border:1px solid #d5e1e8;border-radius:.85rem;min-width:0;overflow:hidden}._movementCard_81qxi_320>header{background:#f9fbfc;border-bottom:1px solid #e1e9ee;justify-content:space-between;align-items:center;gap:.8rem;padding:.65rem .75rem;display:flex}._movementCard_81qxi_320>header>span{color:#607989;white-space:nowrap;font-size:.85rem;font-weight:900}._movementPath_81qxi_323{color:#173f55;align-items:center;gap:.3rem;display:flex}._movementPath_81qxi_323 strong{font-size:.96rem}._movementPath_81qxi_323>img{width:2.85rem;height:auto}._movementPath_81qxi_323 i{color:#d06c18;font-style:normal;font-weight:900}._movementCard_81qxi_320>div{gap:.6rem;padding:.7rem;display:grid}._movementCard_81qxi_320 fieldset{border:0;min-width:0;margin:0;padding:0}._movementCard_81qxi_320 legend{color:#234a5f;margin-bottom:.38rem;font-size:.92rem;font-weight:900}._movementCard_81qxi_320 fieldset{grid-template-columns:repeat(2,minmax(0,1fr));gap:.42rem;display:grid}._movementCard_81qxi_320 legend{grid-column:1/-1}._movementCard_81qxi_320 label{min-width:0}._movementCard_81qxi_320 input{opacity:0;pointer-events:none;position:absolute}._movementCard_81qxi_320 label>span{color:#435f6f;cursor:pointer;border:1px solid #d8e3e9;border-radius:.6rem;grid-template-columns:2.6rem 1fr;align-items:center;gap:.05rem .45rem;padding:.4rem;display:grid}._movementCard_81qxi_320 label>span .stop-snap{grid-row:1/3;width:2.6rem}._movementCard_81qxi_320 label>span b{align-self:end;font-size:.96rem}._movementCard_81qxi_320 label>span small{color:#6c7e89;align-self:start;font-size:.78rem;font-weight:750}._movementCard_81qxi_320 input:checked+span{color:#124f5b;background:#eaf7f8;border-color:#0b7f90;box-shadow:inset 0 0 0 1px #0b7f90}._movementCard_81qxi_320 input:focus-visible+span{outline-offset:2px;outline:3px solid #72b8c8}._programAnswer_81qxi_341{background:#eefaf4;border:1px solid #9acdb6;border-radius:1rem;padding:.9rem}._programAnswer_81qxi_341>p{color:#28634e;margin:0 0 .7rem;font-size:1rem;font-weight:900}._programAnswer_81qxi_341>div{grid-template-columns:repeat(5,minmax(0,1fr));gap:.5rem;display:grid}._programAnswer_81qxi_341>div>span{color:#244b3c;background:#fff;border-radius:.65rem;place-items:center;gap:.18rem;padding:.58rem .35rem;display:grid}._programAnswer_81qxi_341>div>span[data-decision=turn]{color:#2f5874;background:#eef6fb}._programAnswer_81qxi_341 small{color:#6d8378;font-size:.88rem;font-weight:900}._programAnswer_81qxi_341 strong{font-size:1rem}._answerStack_81qxi_348{gap:.75rem;display:grid}._runBanner_81qxi_350{background:var(--nine-navy);color:#fff;border-radius:1rem;align-items:center;gap:1rem;padding:1rem;display:flex}._runBanner_81qxi_350>span{border:1px solid #ffffff80;border-radius:999px;flex:none;padding:.45rem .7rem;font-size:.9rem;font-weight:900}._runBanner_81qxi_350 h3,._runBanner_81qxi_350 p{margin:0}._runBanner_81qxi_350 h3{font-size:1.1rem}._runBanner_81qxi_350 p{color:#d7e8f1;margin-top:.2rem;font-size:1rem;line-height:1.5}._adaptNotice_81qxi_23{background:#fff8e8;border:1px solid #e6cb8c;align-items:flex-start}._adaptNotice_81qxi_23 strong{color:#74540e;flex:0 0 15rem}._adaptNotice_81qxi_23 p{color:#765f2c;margin:0;line-height:1.6}._mirrorWarning_81qxi_25{background:#f7f3fc;border:1px solid #cbbce7;align-items:flex-start}._mirrorWarning_81qxi_25 strong{color:#60449a;flex:0 0 8rem}._mirrorWarning_81qxi_25 p{color:#675a7a;margin:0;line-height:1.6}._depthCards_81qxi_65{grid-template-columns:repeat(3,minmax(0,1fr))}._depthCards_81qxi_65 article{background:#f7fafc;border:1px solid #d3e1e9;border-radius:.9rem;gap:.2rem;padding:.8rem;display:grid}._depthCards_81qxi_65 span{color:#6b7f8d;font-size:.92rem;font-weight:800}._depthCards_81qxi_65 strong{color:#173e55;font-size:1.05rem}._depthCards_81qxi_65 small{color:#526e7f;font-size:1rem}._branchMap_81qxi_64 article{background:#f8fbfc;border:1px solid #d2e0e8;border-radius:1rem;padding:1rem}._branchMap_81qxi_64 span{color:#0a8192;font-size:.75rem;font-weight:900}._branchMap_81qxi_64 strong{color:#173e55;margin-top:.2rem;font-size:1.15rem;display:block}._branchMap_81qxi_64 p{color:#5a7180;margin:.35rem 0 0;line-height:1.55}._tenLimit_81qxi_373{color:#fff;background:#123f61;border-radius:1rem;align-items:center;gap:1rem;padding:1rem;display:flex}._tenLimit_81qxi_373>span{color:#a8dce3;writing-mode:vertical-rl;font-size:.9rem;font-weight:900}._tenLimit_81qxi_373>strong{font-size:3rem;line-height:1}._tenLimit_81qxi_373 h3,._tenLimit_81qxi_373 p{margin:0}._tenLimit_81qxi_373 h3{font-size:1.1rem}._tenLimit_81qxi_373 p{color:#d4e6ef;margin-top:.25rem;font-size:1rem;line-height:1.5}._decisionTable_81qxi_380{border:1px solid #ccdbe4;border-radius:.9rem;overflow:hidden}._decisionTable_81qxi_380 header,._decisionTable_81qxi_380>div{grid-template-columns:4rem 1fr 1fr 1.3fr;display:grid}._decisionTable_81qxi_380 header{color:#4d6a7b;background:#eaf2f6;font-size:.9rem;font-weight:900}._decisionTable_81qxi_380>div{color:#294758;border-top:1px solid #e0e9ee}._decisionTable_81qxi_380 span,._decisionTable_81qxi_380 strong{padding:.55rem .7rem}._decisionTable_81qxi_380 strong{color:#0a7e8f}._repairPanel_81qxi_389{background:#fff9ef;border:1px solid #e5c190;border-radius:1rem;gap:.9rem;padding:1rem;display:grid}._repairPanel_81qxi_389 header p,._repairPanel_81qxi_389 header h3{margin:0}._repairPanel_81qxi_389 header p{color:#956719;font-size:.75rem;font-weight:900}._repairPanel_81qxi_389 header h3{color:#604b27;margin-top:.15rem}._finalClaim_81qxi_395{color:#fff;background:linear-gradient(125deg,#123f61,#0b7889);border-radius:1rem;align-items:center;gap:1rem;padding:1.1rem;display:flex}._finalClaim_81qxi_395>span{aspect-ratio:1;color:#0c6876;background:#fff;border-radius:50%;flex:0 0 3.4rem;place-items:center;font-size:1.15rem;font-weight:900;display:grid}._finalClaim_81qxi_395 p,._finalClaim_81qxi_395 h3{margin:0}._finalClaim_81qxi_395 p{color:#c8e8ec;font-size:.9rem;font-weight:900}._finalClaim_81qxi_395 h3{margin-top:.2rem;font-size:1.18rem;line-height:1.45}._cleanup_81qxi_401{background:#eef5f1;border-radius:1rem;gap:.6rem;padding:1rem;display:grid}._cleanup_81qxi_401 h3{color:#2d5d48;margin:0 0 .2rem}._completionStats_81qxi_404{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;margin:1.2rem 0;display:grid}._completionStats_81qxi_404 article{background:#f6fafb;border:1px solid #d2e1e8;border-radius:1rem;gap:.35rem;padding:1rem;display:grid}._completionStats_81qxi_404 span{color:#607887;font-size:1rem;font-weight:800}._completionStats_81qxi_404 strong{color:#16465d;font-size:1.1rem}._completionRoute_81qxi_408{background:#eef8f9;border-left:.35rem solid #1499aa;border-radius:.8rem;padding:1rem}._completionRoute_81qxi_408 p,._completionRoute_81qxi_408 h2{margin:0}._completionRoute_81qxi_408 p{color:#0c7887;font-size:1rem;font-weight:900}._completionRoute_81qxi_408 h2{color:#183f52;margin-top:.3rem;font-size:1.18rem;line-height:1.5}@media (max-width:680px){._stepCard_81qxi_9{border-radius:1rem}._stepStack_81qxi_18{padding-left:1rem;padding-right:1rem}._prepLine_81qxi_42 small{width:100%;margin-left:0}._twoRuleCards_81qxi_62,._toolCompare_81qxi_48,._twoColumns_81qxi_63,._branchMap_81qxi_64,._depthCards_81qxi_65,._completionStats_81qxi_404{grid-template-columns:1fr}._movementGrid_81qxi_319,._programAnswer_81qxi_341>div{grid-template-columns:repeat(2,minmax(0,1fr))}._floorCallout_81qxi_21,._note_81qxi_24,._mirrorWarning_81qxi_25,._adaptNotice_81qxi_23{align-items:flex-start}._note_81qxi_24,._mirrorWarning_81qxi_25,._adaptNotice_81qxi_23{display:grid}._note_81qxi_24 strong,._mirrorWarning_81qxi_25 strong,._adaptNotice_81qxi_23 strong{flex-basis:auto}._courseToolbar_81qxi_123{align-items:flex-start}._courseToolbar_81qxi_123 button{white-space:normal;border-radius:.7rem;max-width:10rem}._courseCallout_81qxi_140{font-size:.92rem}._courseCallout_81qxi_140[data-kind=branch]{border-width:1px;border-radius:.42rem;padding:.14rem .28rem;font-size:.7rem}._routeQuizGrid_81qxi_153,._answerReview_81qxi_178>div:not(._answerMap_81qxi_184),._observationGrid_81qxi_168,._fixedSetupGrid_81qxi_239,._routeCompare_81qxi_265{grid-template-columns:1fr}._routeQuizCard_81qxi_154>div{grid-template-columns:repeat(2,minmax(0,1fr))}._recallPrompts_81qxi_99,._recallAnswerGrid_81qxi_108,._movementGrid_81qxi_319{grid-template-columns:1fr}._decisionTable_81qxi_380{overflow-x:auto}._decisionTable_81qxi_380 header,._decisionTable_81qxi_380>div{min-width:31rem}._beforeAfter_81qxi_452{grid-template-columns:1fr}._settingsSummary_81qxi_250,._routeRecorder_81qxi_257>header,._trialWorkspace_81qxi_277>header{display:grid}._routeMapSticky_81qxi_264{z-index:5;position:sticky;top:.35rem;box-shadow:0 .35rem .8rem #133f551f}._routeNumberButtons_81qxi_269{grid-template-columns:repeat(3,minmax(3rem,1fr))}._coverageStatus_81qxi_291,._trialHistory_81qxi_298 article{grid-template-columns:1fr}._nextCoursePrompt_81qxi_200,._coverageGoal_81qxi_207,._impossibleReveal_81qxi_216{align-items:flex-start}}._courseDrawing_81qxi_468{box-sizing:content-box;background:#fff;max-width:none;padding:1.2rem 1.4rem}._courseDrawing_81qxi_468:not([style]){width:auto}._courseSvg_81qxi_470{width:100%;height:100%;display:block;overflow:visible}._courseCallout_81qxi_140{text-shadow:none;font-size:clamp(.75rem,1.5vw,1.1rem)}._courseCallout_81qxi_140[data-kind=branch]{background:0 0;border:0;padding:0;font-size:clamp(.75rem,1.3vw,1rem);line-height:1}._courseCallout_81qxi_140[data-side=below]{margin-top:4px;transform:translate(-50%)}._courseCallout_81qxi_140[data-side=above]{margin-top:-4px;transform:translate(-50%,-100%)}._courseCallout_81qxi_140[data-side=left]{margin-left:-4px;transform:translate(-100%,-50%)}._courseCallout_81qxi_140[data-side=right]{margin-left:4px;transform:translateY(-50%)}._nextCoursePrompt_81qxi_200>span{aspect-ratio:auto;color:#fff;background:0 0;border-radius:0;flex:none;font-size:1.3rem;display:block}._nextCoursePrompt_81qxi_200 h3{font-size:1.2rem}._coverageGoal_81qxi_207{padding:.8rem 1rem}._coverageGoal_81qxi_207 h3{font-size:1rem;font-weight:700}._fixedSetupGrid_81qxi_239{grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr))}._fixedSetupGrid_81qxi_239 label>span{overflow-wrap:anywhere;grid-template-columns:auto minmax(0,auto);justify-content:center;align-items:center;gap:.4rem;min-height:2.75rem;padding:.3rem}._fixedSetupGrid_81qxi_239 label>span .stop-snap{width:1.5rem}._quizItem_81qxi_484{align-content:start;gap:.6rem;min-width:0;display:grid}._quizItem_81qxi_484>.evidence-text-field{padding:0 .45rem .5rem}._quizItem_81qxi_484 .evidence-text-field{gap:.3rem}._quizItem_81qxi_484 .evidence-text-field>span{font-size:.88rem}._quizItem_81qxi_484 textarea{min-height:3.5rem;padding:.5rem;font-size:.95rem;line-height:1.5}._routeQuizCard_81qxi_154>.evidence-text-field{margin-top:.5rem}._routeQuizCard_81qxi_154:disabled{opacity:1}._routeQuizCard_81qxi_154:disabled textarea{color:#355467;-webkit-text-fill-color:#355467;opacity:1;background:#f6f9fb}._routeQuizCard_81qxi_154:disabled>div label>span{cursor:default}._quizAction_81qxi_493{padding:.8rem}._quizAction_81qxi_493 button{width:100%}._experimentPlan_81qxi_495,._observationPanel_81qxi_495{gap:.8rem;min-width:0;display:grid}._phaseAnchor_81qxi_496{min-width:0;scroll-margin-top:6rem}._phaseAnchor_81qxi_496:focus{outline:none}._experimentPhase_81qxi_498{--phase-color:#23588d;--phase-tint:#edf4ff;border:2px solid var(--phase-color);background:var(--phase-tint);border-radius:1rem;min-width:0;padding:clamp(1rem,3vw,1.4rem)}._experimentPhase_81qxi_498[data-phase=observe],._experimentPhase_81qxi_498[data-phase=recorded]{--phase-color:#176b50;--phase-tint:#edf8f1}._experimentPhase_81qxi_498 ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:0 0 1rem;padding:0;list-style:none;display:grid}._experimentPhase_81qxi_498 ol[data-free-practice]{grid-template-columns:repeat(3,minmax(0,1fr))}._recordActions_81qxi_502{flex-wrap:wrap;gap:.75rem;display:flex}._recordFields_81qxi_503{border:0;gap:.8rem;min-width:0;margin:0;padding:0;display:grid}._initialPrediction_81qxi_504{background:#fff;border:1px solid #cad9e3;border-radius:.75rem}._initialPrediction_81qxi_504>summary{color:#244b60;cursor:pointer;padding:.85rem;font-size:1rem;font-weight:700}._initialPrediction_81qxi_504>section{margin:0 .85rem .85rem}._startPicker_81qxi_507 label:has(input:disabled){opacity:.5;cursor:default}@media (max-width:520px){._experimentPhase_81qxi_498 ol[data-free-practice]{grid-template-columns:1fr}._recordActions_81qxi_502>button{flex:100%}}._experimentPhase_81qxi_498 li{color:#4e6272;background:#fff;border:1px solid #b9c7d3;border-radius:.6rem;align-items:center;gap:.5rem;min-width:0;padding:.65rem;font-size:1rem;font-weight:700;line-height:1.5;display:flex}._experimentPhase_81qxi_498 li b{border:1px solid;border-radius:50%;flex:0 0 1.7rem;place-items:center;height:1.7rem;display:grid}._experimentPhase_81qxi_498 li[aria-current=step]{border-color:var(--phase-color);background:var(--phase-color);color:#fff}._experimentPhase_81qxi_498 li[data-completed=true]:not([aria-current=step]){color:#205f48;border-color:#83b39d}._experimentPhase_81qxi_498 ._phaseTitle_81qxi_516{color:var(--phase-color);margin:0;font-size:clamp(1.35rem,3vw,1.7rem);font-weight:800;line-height:1.5}._experimentPhase_81qxi_498 ._phaseInstruction_81qxi_517{color:#203c4b;margin:.45rem 0 0;font-size:1.05rem;line-height:1.8}._trialWorkspace_81qxi_277>._phaseAnchor_81qxi_496{margin:.8rem}._routeQuiz_81qxi_145[data-phase=observe]>header{background:#e7f4ec}._routeQuiz_81qxi_145[data-phase=observe]>header h3{color:#176b50}._routeQuizCard_81qxi_154 legend{flex-wrap:wrap}._experience_81qxi_1 .lesson-step-actions .button-primary{white-space:normal;text-align:center;min-width:0;max-width:100%}._observationPanel_81qxi_495{scroll-margin-top:6rem}._experimentNotice_81qxi_524,._recordNotice_81qxi_524{color:#254f60;background:#e7f2f5;border-radius:.6rem;margin:0;padding:.7rem .85rem;line-height:1.6}._recordNotice_81qxi_524{color:#245e42;background:#e5f5ec}._beforeAfter_81qxi_452{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:.8rem;display:grid}._beforeAfter_81qxi_452>section{background:#fff;border:1px solid #d5e2e8;border-radius:.8rem;min-width:0;padding:.85rem}._beforeAfter_81qxi_452 h4,._savedPrediction_81qxi_528 h4{color:#345a70;margin:0 0 .6rem;font-size:.9rem}._beforeAfter_81qxi_452 p,._savedReason_81qxi_529{white-space:pre-wrap;overflow-wrap:anywhere;margin:.6rem 0 0;line-height:1.7}._beforeAfter_81qxi_452 ._savedPrediction_81qxi_528{background:#f0f5f8}._observedResult_81qxi_531{align-content:start;gap:.6rem;display:grid}._observedResult_81qxi_531>small{color:#567180}._routeTrace_81qxi_533{flex-wrap:wrap;align-items:center;gap:.3rem;margin:0 0 .6rem;display:flex}._routeTrace_81qxi_533 b{color:#234b60;background:#e4eef4;border-radius:.4rem;place-items:center;min-width:1.9rem;min-height:1.9rem;padding:.1rem .25rem;font-size:1rem;line-height:1;display:grid}._routeTraceStep_81qxi_535{flex:none;align-items:center;gap:.3rem;display:inline-flex}._routeTraceStep_81qxi_535>span{color:#748a96}._unrecorded_81qxi_537{color:#587381}._trialSettingRow_81qxi_304{gap:.45rem;margin:.65rem 0}._trialSettingRow_81qxi_304>span{align-items:center;gap:.3rem;display:inline-flex}._trialSettingRow_81qxi_304 .stop-snap{flex:none;width:1.15rem}._trialSettingRow_81qxi_304 b{background:0 0;padding:0;font-size:.85rem}._routeInput_81qxi_286{background:0 0;grid-template-columns:1fr;gap:.35rem;padding:0}._routeInput_81qxi_286>input{box-sizing:border-box;width:100%;min-width:0;font-size:1rem}._routeInput_81qxi_286 ._inputIssue_81qxi_544{color:#9b342e}._routeInput_81qxi_286{border:0;min-width:0;margin:0}._routeInput_81qxi_286>legend{color:#244b5f;padding:0;font-size:1rem;font-weight:700}._routeInput_81qxi_286>small{font-size:.9rem;line-height:1.6}._routeSlots_81qxi_548{flex-wrap:wrap;align-items:center;gap:.45rem .2rem;min-width:0;display:flex}._routeSlot_81qxi_548{align-items:center;gap:.2rem;display:inline-flex}._routeSlot_81qxi_548 input{box-sizing:border-box;color:#173f55;text-align:center;background:#fff;border:1px solid #91afc1;border-radius:.5rem;width:2.65rem;min-width:0;min-height:2.75rem;margin:0;padding:.35rem .15rem;font-size:1.15rem;font-weight:700}._routeSlot_81qxi_548 input:focus-visible{outline-offset:2px;outline:3px solid #2c64b6}._routeSeparator_81qxi_552{color:#6b8594}._addRouteSlot_81qxi_553{color:#244b5f;cursor:pointer;background:#fff;border:1px solid #b3c8d5;border-radius:.6rem;justify-self:start;width:fit-content;min-height:2.75rem;padding:.45rem .7rem;font-size:.9rem}._ruleReminder_81qxi_554{background:#fff8e8;border:2px solid #d2a745;border-radius:1rem;gap:.9rem;min-width:0;margin-block:.5rem;padding:clamp(1rem,3vw,1.5rem);display:grid}._ruleReminder_81qxi_554 h3{color:#173f55;margin:0 0 .15rem;font-size:clamp(1.2rem,2.5vw,1.4rem);line-height:1.55}._ruleReminder_81qxi_554 .lesson-check-line{background:#fff;border:1px solid #d1b977;align-items:start;min-width:0;padding:1rem}._ruleReminder_81qxi_554 .lesson-check-line:has(input:checked){background:#eef8f4;border-color:#318376}._ruleReminder_81qxi_554 .lesson-check-line input{width:1.5rem;height:1.5rem;margin-top:.15rem}._ruleReminder_81qxi_554 .lesson-check-line>span{color:#244b5f;overflow-wrap:anywhere;gap:.45rem;min-width:0;font-size:1rem;font-weight:500;line-height:1.7;display:grid}._ruleReminder_81qxi_554 .lesson-check-line strong{color:#173f55;font-size:clamp(1.1rem,2.2vw,1.3rem);line-height:1.55}._ruleReminder_81qxi_554 .lesson-check-line small{color:#526473;font-size:1rem}._startPicker_81qxi_507{border:1px solid #cad9e3;border-radius:.8rem;min-width:0;margin:0;padding:.8rem}._startPicker_81qxi_507 legend{color:#173f55;padding:0 .3rem;font-size:1rem;font-weight:700}._startPicker_81qxi_507>div{flex-wrap:wrap;gap:.6rem;display:flex}._startPicker_81qxi_507 label{cursor:pointer;background:#fff;border:1px solid #bacfdb;border-radius:.6rem;align-items:center;gap:.4rem;min-height:2.75rem;padding:.3rem .75rem;font-size:1.1rem;display:flex}._startPicker_81qxi_507 label:has(input:checked){background:#e7f1f8;border-color:#2c64b6}._startPicker_81qxi_507 input,._conclusionChoices_81qxi_567 input{accent-color:#2c64b6;width:1.1rem;height:1.1rem}._finalReasoning_81qxi_568{background:#f7fafc;border:1px solid #c4d7e2;border-radius:1rem;gap:1rem;min-width:0;padding:1rem;display:grid}._finalReasoning_81qxi_568>h3{color:#173f55;margin:0;font-size:1.1rem}._conclusionForm_81qxi_570{border:0;gap:1rem;min-width:0;margin:0;padding:0;display:grid}._conclusionForm_81qxi_570:disabled{opacity:1}._conclusionForm_81qxi_570:disabled textarea{color:#355467;-webkit-text-fill-color:#355467;opacity:1;background:#f0f5f8}._conclusionChoices_81qxi_567{border:0;min-width:0;margin:0;padding:0}._conclusionChoices_81qxi_567 legend{margin-bottom:.55rem;font-size:1rem;font-weight:700}._conclusionChoices_81qxi_567>div{flex-wrap:wrap;gap:.6rem;display:flex}._conclusionChoices_81qxi_567 label{background:#fff;border:1px solid #bacfdb;border-radius:.6rem;align-items:center;gap:.45rem;min-height:2.75rem;padding:.45rem .65rem;font-size:1rem;display:flex}._explanationAfterword_81qxi_577{gap:1rem;min-width:0;scroll-margin-top:6rem;display:grid}._finalExplanation_81qxi_578{color:#254657;background:#fff;border-radius:.8rem;padding:1rem}._finalExplanation_81qxi_578 h3{margin:.25rem 0 .6rem;font-size:1.15rem;line-height:1.6}._finalExplanation_81qxi_578 h4{margin:1rem 0 .35rem;font-size:1rem}._finalExplanation_81qxi_578 p{overflow-wrap:anywhere;font-size:1rem;line-height:1.85}._finalExplanation_81qxi_578 ol{padding-left:1.4rem}._finalExplanation_81qxi_578 ._explanationLabel_81qxi_583{color:#2c64b6;margin:0;font-size:.9rem;font-weight:700}._explanationConclusion_81qxi_584{background:#edf4fa;border-left:3px solid #2c64b6;padding:.7rem .85rem}._routeFeedback_81qxi_585{color:#345b6d;background:#edf4f7;border-left:3px solid #6699ab;margin:0;padding:.7rem .8rem;font-size:.9rem;line-height:1.65}._experimentHistory_81qxi_586{background:#fff;border-top:1px solid #d5e2e8;padding:.8rem}._experimentHistory_81qxi_586 h3{margin:0 0 .7rem;font-size:1rem}._experimentHistory_81qxi_586 details,._reflectionRecords_81qxi_588 details{border:1px solid #d5e2e8;border-radius:.75rem;margin-top:.55rem;overflow:hidden}._experimentHistory_81qxi_586 summary,._reflectionRecords_81qxi_588 summary{cursor:pointer;color:#244b60;background:#f2f7fa;padding:.85rem;font-weight:750}._experimentHistory_81qxi_586 summary>span{color:#587381;margin-left:.8rem;font-size:.85rem;font-weight:500;display:inline}._historyBody_81qxi_591,._reflectionRecords_81qxi_588 ._beforeAfter_81qxi_452{padding:.7rem}._historyBody_81qxi_591>p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.9rem;line-height:1.7}._reflectionRecords_81qxi_588>h3{margin-top:0}._answerReview_81qxi_178 article>p{white-space:pre-wrap;overflow-wrap:anywhere;margin:.2rem 0 0;font-size:.9rem;line-height:1.6}@media (max-width:700px){._beforeAfter_81qxi_452{grid-template-columns:1fr}._courseToolbar_81qxi_123{gap:.5rem;padding:.5rem .7rem}._courseToolbar_81qxi_123 strong{font-size:.85rem}._courseToolbar_81qxi_123 small{font-size:.78rem}._courseToolbar_81qxi_123 button{padding:.5rem .6rem;font-size:.78rem}._nextCoursePrompt_81qxi_200{align-items:center}._nextCoursePrompt_81qxi_200>span{font-size:1.15rem}._nextCoursePrompt_81qxi_200 h3{font-size:1.05rem}._trialForm_81qxi_284{padding:.65rem}._experimentHistory_81qxi_586 summary>span{margin:.3rem 0 0;display:block}}._coverageGoal_81qxi_207{grid-template-columns:minmax(0,1fr) 14rem;align-items:center;gap:1.25rem;display:grid}._endpointRuleLayout_81qxi_610{grid-template-columns:minmax(0,1fr) 14rem;align-items:start;gap:1.25rem;display:grid}._endpointRuleText_81qxi_611{overflow-wrap:anywhere;gap:.65rem;min-width:0;display:grid}._coverageGoal_81qxi_207>._endpointSnapGuide_81qxi_612,._endpointSnapGuide_81qxi_612{color:#173f55;aspect-ratio:auto;background:#fff;border:1px solid #b8d7d9;border-radius:.8rem;place-items:stretch stretch;gap:.75rem;min-width:0;padding:.9rem;font-size:1rem;font-weight:500;display:grid}._endpointSnapExample_81qxi_613{gap:.25rem;display:grid}._endpointSnapExample_81qxi_613>b{font-size:1rem;line-height:1.5}._endpointSnapSequence_81qxi_615{align-items:start;gap:.45rem;display:flex}._endpointSnapSequence_81qxi_615 .stop-snap{aspect-ratio:auto;flex:1 1 0;justify-items:center;gap:.15rem;width:auto;min-width:0;max-width:3.25rem;display:grid}._endpointSnapSequence_81qxi_615 .stop-snap>img{object-fit:contain;width:100%;height:auto;display:block}._endpointSnapSequence_81qxi_615 .stop-snap>span{background:0 0;padding:0;font-size:.875rem;line-height:1.4;position:static;transform:none}._coverageGoal_81qxi_207 ._endpointSnapGuide_81qxi_612>small,._ruleReminder_81qxi_554 ._endpointSnapGuide_81qxi_612>small{color:#526473;margin:0;font-size:.875rem;line-height:1.5}@media (max-width:760px){._coverageGoal_81qxi_207,._endpointRuleLayout_81qxi_610{grid-template-columns:minmax(0,1fr)}._coverageGoal_81qxi_207>._endpointSnapGuide_81qxi_612,._endpointSnapGuide_81qxi_612{grid-template-columns:minmax(0,1fr);width:100%}}._simpleExplanation_81qxi_625{border-top:2px solid #c4d9e6;gap:.85rem;margin-top:1.5rem;padding-top:1.5rem;display:grid}._explanationExample_81qxi_626{background:#edf4fa;border-radius:.7rem;padding:.85rem 1rem}._explanationExample_81qxi_626>b{font-size:1rem}._explanationExample_81qxi_626>p{margin:.35rem 0 0;font-weight:700;line-height:1.8}._bonusQuestion_81qxi_629{color:#173f55;margin:0;font-size:1.15rem;line-height:1.85}._bonusAnswer_81qxi_630{background:#eef9fa;border:1px solid #91cbd2;border-radius:1rem;gap:.8rem;padding:1.25rem;display:grid}._bonusAnswer_81qxi_630>h3,._bonusAnswer_81qxi_630>p{margin:0;line-height:1.8}._experimentMemo_81qxi_633{background:#f5fafc;border:1px solid #b7c9cf;border-radius:.8rem;min-width:0;padding:1rem}._experimentMemo_81qxi_633 label{flex-wrap:wrap;align-items:baseline;gap:.75rem;font-size:1.125rem;font-weight:700;display:flex}._experimentMemo_81qxi_633 label small{font-size:.875rem;font-weight:400}._experimentMemo_81qxi_633 p{margin:.5rem 0 .75rem;font-size:1rem}._experimentMemo_81qxi_633 textarea{box-sizing:border-box;color:#183642;width:100%;min-height:12rem;font:inherit;resize:vertical;background:#fff;border:1px solid #8ea8b4;border-radius:.4rem;padding:.75rem;font-size:1rem;line-height:1.8;display:block}._experimentMemo_81qxi_633 textarea:focus-visible{outline-offset:2px;outline:3px solid #286b86}._experience_81qxi_1 ._stepCard_81qxi_9>header.lesson-step-header{padding:1rem 1.25rem}._experience_81qxi_1 ._stepCard_81qxi_9>header.lesson-step-header h2{font-size:clamp(1.5rem,2.4vw,1.8rem);line-height:1.4}._experience_81qxi_1 ._prepLine_81qxi_42 small,._experience_81qxi_1 ._courseToolbar_81qxi_123 small,._experience_81qxi_1 ._routeQuiz_81qxi_145>header small,._experience_81qxi_1 ._coverageGoal_81qxi_207>div>small,._experience_81qxi_1 ._routeInput_81qxi_286>small,._experience_81qxi_1 ._fieldHint_81qxi_19,._experience_81qxi_1 ._answerReview_81qxi_178 article>small,._experience_81qxi_1 ._answerReview_81qxi_178 article>p,._experience_81qxi_1 ._historyBody_81qxi_591>p,._experience_81qxi_1 ._trialSettingRow_81qxi_304 b,._experience_81qxi_1 ._routeFeedback_81qxi_585{color:#244b5f;font-size:1rem;line-height:1.7}._experience_81qxi_1 ._courseToolbar_81qxi_123 strong,._experience_81qxi_1 ._courseZoom_81qxi_127>summary,._experience_81qxi_1 ._routeQuizCard_81qxi_154>div label>span b,._experience_81qxi_1 ._quizItem_81qxi_484 .evidence-text-field>span,._experience_81qxi_1 ._quizItem_81qxi_484 textarea,._experience_81qxi_1 ._savedPrediction_81qxi_528 h4,._experience_81qxi_1 ._addRouteSlot_81qxi_553{font-size:1rem}._experience_81qxi_1 ._coverageGoal_81qxi_207 ._endpointSnapGuide_81qxi_612>small,._experience_81qxi_1 ._ruleReminder_81qxi_554 ._endpointSnapGuide_81qxi_612>small{color:#244b5f;font-size:1rem}._experience_81qxi_1 ._experimentPhase_81qxi_498{padding:.85rem 1rem}._experience_81qxi_1 ._experimentPhase_81qxi_498 ol{margin-bottom:.7rem}._experience_81qxi_1 ._experimentPhase_81qxi_498 ._phaseTitle_81qxi_516{font-size:clamp(1.15rem,2.4vw,1.35rem)}._experience_81qxi_1 ._coverageGoal_81qxi_207,._experience_81qxi_1 ._endpointRuleLayout_81qxi_610{grid-template-columns:minmax(0,1fr) minmax(0,11.5rem);align-items:start;gap:1rem}._experience_81qxi_1 ._coverageGoal_81qxi_207>div{align-content:start;gap:.4rem;min-width:0;display:grid}._experience_81qxi_1 ._coverageGoal_81qxi_207>div>p{font-size:1rem;font-weight:650}._experience_81qxi_1 ._coverageGoal_81qxi_207 h3{margin:0;font-size:1.25rem;font-weight:750;line-height:1.5}._experience_81qxi_1 ._coverageGoal_81qxi_207>div>small{margin:0}._experience_81qxi_1 ._endpointSnapGuide_81qxi_612{box-sizing:border-box;align-content:start;place-self:start end;gap:.65rem;width:100%;max-width:11.5rem;height:auto;min-height:0;padding:.65rem}._experience_81qxi_1 ._endpointSnapExample_81qxi_613{align-content:start;gap:.2rem;min-width:0}._experience_81qxi_1 ._endpointSnapSequence_81qxi_615{justify-content:flex-start;gap:.35rem}._experience_81qxi_1 ._endpointSnapSequence_81qxi_615 .stop-snap{flex:0 2.25rem;align-content:start;width:2.25rem;max-width:2.25rem;height:auto}._experience_81qxi_1 ._endpointSnapSequence_81qxi_615 .stop-snap>span{font-size:1rem;line-height:1.3}._experience_81qxi_1 ._endpointSnapGuide_81qxi_612>small{grid-column:1/-1}._experience_81qxi_1 ._routeQuizCard_81qxi_154 legend span{font-size:1rem;line-height:1.5}._experience_81qxi_1 ._recordActions_81qxi_502>.button,._experience_81qxi_1 ._trialForm_81qxi_284>.button,._experience_81qxi_1 ._stepStack_81qxi_18>.button{white-space:normal;min-width:0;max-width:100%}._experience_81qxi_1 ._experimentPhase_81qxi_498 ol[data-free-practice] li span{white-space:normal;overflow-wrap:anywhere;min-width:0}._experience_81qxi_1 ._courseFigure_81qxi_122 figcaption{color:#244b5f}@media (max-width:760px){._experience_81qxi_1 ._coverageGoal_81qxi_207,._experience_81qxi_1 ._endpointRuleLayout_81qxi_610{grid-template-columns:minmax(0,1fr);gap:.75rem}._experience_81qxi_1 ._endpointSnapGuide_81qxi_612{grid-template-columns:repeat(auto-fit,minmax(min(100%,9.5rem),1fr));justify-self:start;gap:.6rem;max-width:100%}}