.PhysicsLaboratory_shell__lvQTn{min-height:100vh;color:#233b55}.PhysicsLaboratory_topbar__KazPD{display:flex;align-items:center;gap:12px;min-height:70px;padding:16px 36px;border-bottom:1px solid #dce6f1;background:#ffffffb8;color:#677a90;font-size:13px}.PhysicsLaboratory_topbar__KazPD a{color:#3565d5;font-weight:600}.PhysicsLaboratory_localBadge__VFW3d{margin-left:auto;color:#8a6a35;font-size:11px}.PhysicsLaboratory_main__a4kqo{max-width:1320px;padding:38px 36px 28px}.PhysicsLaboratory_hero__mFBjw{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-bottom:28px}.PhysicsLaboratory_eyebrow__BVGru{display:block;margin-bottom:10px;color:#a57828;font-size:10px;font-weight:700;letter-spacing:1.6px}.PhysicsLaboratory_hero__mFBjw h1{font-size:clamp(28px,3vw,43px);line-height:1.15;letter-spacing:-1.3px}.PhysicsLaboratory_hero__mFBjw p{max-width:590px;margin-top:17px;color:#687e94;font-size:14px;line-height:1.7}.PhysicsLaboratory_heroVisual__HiJZq{position:relative;display:grid;place-items:center;flex:0 0 185px;height:170px;color:#3565d5}.PhysicsLaboratory_heroVisual__HiJZq>svg{transform:rotate(12deg)}.PhysicsLaboratory_orbit__vbtke{position:absolute;width:156px;height:156px;border:1px solid #d1deee;border-radius:50%;background:radial-gradient(circle,#fff7e7 0,#eaf0fa70 62%,transparent 63%)}.PhysicsLaboratory_heroFormula__PAwSR{position:absolute;bottom:7px;left:0;padding:6px 13px;border:1px solid #d8e3ef;border-radius:8px;background:white;box-shadow:0 5px 15px #23456c09;font-size:14px}.PhysicsLaboratory_heroDot__5zyNh{position:absolute;right:5px;top:33px;width:15px;height:15px;border-radius:50%;background:#e5b666;box-shadow:0 0 0 7px #f4e7ce}.PhysicsLaboratory_tabs__dF6VE{display:flex;gap:5px;margin-bottom:27px;padding:5px;width:fit-content;border:1px solid #d9e4f0;border-radius:12px;background:#fff}.PhysicsLaboratory_tabs__dF6VE a{display:flex;align-items:center;gap:8px;min-height:43px;padding:8px 18px;border-radius:8px;color:#627890;font-size:14px;font-weight:600}.PhysicsLaboratory_tabs__dF6VE a[aria-current]{color:#3565d5;background:#eaf0ff}.PhysicsLaboratory_tabs__dF6VE a>span{margin-left:8px;color:#6c81a0;font-size:11px}.PhysicsLaboratory_sectionHeading__3LqWb{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px}.PhysicsLaboratory_sectionHeading__3LqWb h2{color:#28415b;font-size:20px}.PhysicsLaboratory_sectionHeading__3LqWb p{margin-top:5px;font-size:13px;color:#6a7e94}.PhysicsLaboratory_sectionHeading__3LqWb>span{white-space:nowrap;color:#7a8da3;font-size:11px}.PhysicsLaboratory_cards__4pS_t{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.PhysicsLaboratory_card__IbtNw{display:flex;flex-direction:column;min-height:172px;padding:20px;border:1px solid #dbe5ef;border-radius:13px;background:#fff;transition:border-color .15s,box-shadow .15s}.PhysicsLaboratory_card__IbtNw[aria-current]{border-color:#9eb7ed;background:#f8fbff;box-shadow:inset 0 0 0 1px #c4d4f6}.PhysicsLaboratory_cardFormula__s2WME{width:fit-content;padding:4px 9px;border-radius:5px;background:#f7f0e4;color:#9b712d;font-size:11px;margin-bottom:12px}.PhysicsLaboratory_card__IbtNw h3{font-size:15px;color:#28415b}.PhysicsLaboratory_card__IbtNw p{margin-top:5px;color:#718298;font-size:12px;line-height:1.6}.PhysicsLaboratory_cardAction__xnCTF{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:16px;color:#3565d5;font-size:11px;font-weight:600}.PhysicsLaboratory_card__IbtNw:hover,.PhysicsLaboratory_challengeCard__mdnMz:hover{border-color:#9eb7ed;box-shadow:0 5px 15px #365d890a}.PhysicsLaboratory_challengeCards__pGpIf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.PhysicsLaboratory_challengeCard__mdnMz{display:flex;align-items:center;gap:12px;min-height:81px;padding:14px 17px;border:1px solid #dbe5ef;border-radius:10px;background:white}.PhysicsLaboratory_challengeCard__mdnMz[aria-current]{background:#f5f8ff;border-color:#9eb7ed}.PhysicsLaboratory_challengeNumber__pCxBh{display:grid;place-items:center;flex:0 0 32px;height:32px;border-radius:8px;background:#f6efdf;color:#a57828;font-size:12px}.PhysicsLaboratory_challengeCard__mdnMz>span:nth-child(2){flex:1;min-width:0}.PhysicsLaboratory_challengeCard__mdnMz strong{display:block;color:#28415b;font-size:13px;line-height:1.5}.PhysicsLaboratory_challengeCard__mdnMz small{display:block;margin-top:2px;color:#73869b;font-size:11px}.PhysicsLaboratory_challengeCard__mdnMz>svg{color:#7a93b3}.PhysicsLaboratory_experiment__peEKE{margin-top:34px;scroll-margin-top:20px}.PhysicsLaboratory_experiment__peEKE .PhysicsLaboratory_sectionHeading__3LqWb .PhysicsLaboratory_eyebrow__BVGru{margin-bottom:5px}.PhysicsLaboratory_challengeLink__exfYB{display:flex;align-items:center;gap:7px;color:#3565d5;font-size:12px}.PhysicsLaboratory_target__qwFbo{display:flex;align-items:flex-start;gap:13px;padding:19px 22px;margin-bottom:18px;border:1px solid #e5d8bd;border-radius:12px;background:#fffaf0}.PhysicsLaboratory_target__qwFbo>svg{margin-top:2px;color:#a57828}.PhysicsLaboratory_target__qwFbo h3{margin-bottom:6px;color:#796031;font-size:15px}.PhysicsLaboratory_target__qwFbo p{color:#756b57;font-size:13px;line-height:1.7}.PhysicsLaboratory_target__qwFbo p+p{margin-top:5px}.PhysicsLaboratory_target__qwFbo details{margin-top:12px;font-size:12px}.PhysicsLaboratory_target__qwFbo summary{display:flex;align-items:center;gap:6px;width:fit-content;color:#8a6728;cursor:pointer;font-weight:600}.PhysicsLaboratory_target__qwFbo details p{margin-top:8px}.PhysicsLaboratory_prediction__n0dM_{margin:0 0 20px;padding:18px 22px;border:1px solid #d6e2f3;border-radius:12px;background:#f8fbff}.PhysicsLaboratory_prediction__n0dM_ legend{padding:0 8px;color:#3565d5;font-size:13px;font-weight:600}.PhysicsLaboratory_prediction__n0dM_ p{font-size:13px;color:#62768f}.PhysicsLaboratory_predictionChoices__rtPaa{display:flex;flex-wrap:wrap;gap:12px;margin:13px 0}.PhysicsLaboratory_predictionChoices__rtPaa label{display:flex;align-items:center;gap:9px;min-height:42px;padding:7px 15px;border:1px solid #d9e4f2;border-radius:8px;background:#fff;color:#345373;font-size:13px;cursor:pointer}.PhysicsLaboratory_predictionChoices__rtPaa label:has(input:checked){background:#eaf0ff;border-color:#9fb9f0}.PhysicsLaboratory_predictionChoices__rtPaa input{width:16px;height:16px;margin:0}.PhysicsLaboratory_primaryButton__bSup6,.PhysicsLaboratory_secondaryButton__1GjxL{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 19px;border-radius:8px;font-size:13px;font-weight:600}.PhysicsLaboratory_primaryButton__bSup6{background:#3565d5;color:white}.PhysicsLaboratory_primaryButton__bSup6:hover{background:#2854bf}.PhysicsLaboratory_secondaryButton__1GjxL{border:1px solid #c8d8f4;background:white;color:#3565d5}.PhysicsLaboratory_verification__fynqw{display:flex;align-items:flex-start;gap:22px;margin-top:18px;padding:21px;border:1px solid #dce6f2;border-radius:12px;background:#fff}.PhysicsLaboratory_verification__fynqw>button{flex-shrink:0}.PhysicsLaboratory_feedback__Vm8a_{flex:1;min-width:0}.PhysicsLaboratory_feedback__Vm8a_ strong{color:#536d89;font-size:13px}.PhysicsLaboratory_feedback__Vm8a_ p{font-size:12px;color:#6b7d92;line-height:1.7}.PhysicsLaboratory_feedback__Vm8a_ p+p{margin-top:6px}.PhysicsLaboratory_feedback__Vm8a_[data-success=true]>strong{color:#25876e}.PhysicsLaboratory_feedback__Vm8a_ .PhysicsLaboratory_measurement__bdLJi{margin:4px 0;color:#28415b;font-weight:600;font-variant-numeric:tabular-nums}.PhysicsLaboratory_loading__kXlU5{padding:60px 20px;text-align:center;background:#fff;border:1px solid #dce6f2;border-radius:12px;color:#71859b;font-size:13px}.PhysicsLaboratory_footer__QTrRr{display:flex;flex-direction:column;gap:5px;margin-top:25px;padding-top:18px;border-top:1px solid #dce6f2}.PhysicsLaboratory_footer__QTrRr p{color:#7c8da0;font-size:11px}.PhysicsLaboratory_footer__QTrRr a{display:flex;align-items:center;gap:7px;width:fit-content;margin-top:8px;color:#3565d5;font-size:12px}.PhysicsLaboratory_footerLinks__TdAQL{display:flex;flex-wrap:wrap;gap:24px}.PhysicsLaboratory_progressActions__KG0yY{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px}.PhysicsLaboratory_progressActions__KG0yY button{min-height:44px;text-decoration:underline}.PhysicsLaboratory_progressActions__KG0yY p{font-size:12px;line-height:1.6;color:#586d83}.PhysicsLaboratory_shell__lvQTn a:focus-visible,.PhysicsLaboratory_shell__lvQTn button:focus-visible,.PhysicsLaboratory_shell__lvQTn summary:focus-visible{outline:3px solid #6388ff;outline-offset:3px}@media (max-width:1100px){.PhysicsLaboratory_main__a4kqo{padding:28px 24px}.PhysicsLaboratory_topbar__KazPD{padding:16px 24px}.PhysicsLaboratory_heroVisual__HiJZq{flex-basis:145px}.PhysicsLaboratory_cards__4pS_t{grid-template-columns:repeat(2,minmax(0,1fr))}.PhysicsLaboratory_verification__fynqw{flex-direction:column;gap:13px}}@media (max-width:600px){.PhysicsLaboratory_main__a4kqo{padding:24px 16px}.PhysicsLaboratory_topbar__KazPD{padding:13px 16px;min-height:54px}.PhysicsLaboratory_heroVisual__HiJZq,.PhysicsLaboratory_localBadge__VFW3d{display:none}.PhysicsLaboratory_hero__mFBjw{margin-bottom:22px}.PhysicsLaboratory_hero__mFBjw p{font-size:13px}.PhysicsLaboratory_tabs__dF6VE{width:100%}.PhysicsLaboratory_tabs__dF6VE a{flex:1;justify-content:center;padding:8px 10px;font-size:12px}.PhysicsLaboratory_tabs__dF6VE a>span{margin-left:1px}.PhysicsLaboratory_sectionHeading__3LqWb{align-items:flex-start;flex-direction:column;gap:9px}.PhysicsLaboratory_sectionHeading__3LqWb h2{font-size:19px}.PhysicsLaboratory_cards__4pS_t,.PhysicsLaboratory_challengeCards__pGpIf{grid-template-columns:1fr}.PhysicsLaboratory_card__IbtNw{min-height:150px;padding:17px}.PhysicsLaboratory_card__IbtNw p{font-size:13px}.PhysicsLaboratory_challengeCard__mdnMz{min-height:82px}.PhysicsLaboratory_prediction__n0dM_,.PhysicsLaboratory_target__qwFbo,.PhysicsLaboratory_verification__fynqw{padding:17px}.PhysicsLaboratory_target__qwFbo{gap:10px}.PhysicsLaboratory_target__qwFbo summary{line-height:1.6}.PhysicsLaboratory_predictionChoices__rtPaa{gap:8px}.PhysicsLaboratory_predictionChoices__rtPaa label{flex:1;justify-content:center;padding:8px 10px}.PhysicsLaboratory_primaryButton__bSup6{width:100%}.PhysicsLaboratory_experiment__peEKE{margin-top:27px}.PhysicsLaboratory_footer__QTrRr p{line-height:1.7}}@media (prefers-reduced-motion:reduce){.PhysicsLaboratory_card__IbtNw{transition:none}}