.jm-student{color-scheme:light;--ink:#10192b;--ink-2:#34435a;--muted:#66748a;--paper:#ffffff;--paper-2:#f5f7fa;--paper-3:#edf1f6;--line:#d7dee8;--line-strong:#aeb9c7;--navy:#09101f;--purple:#6847ca;--purple-soft:#f0ebff;--blue:#236fa8;--blue-soft:#e9f4ff;--green:#18734a;--green-soft:#e7f7ee;--red:#b3313e;--red-soft:#fff0f1;--amber:#925400;--amber-soft:#fff4dd;--acid:#dcf642;--shadow:0 18px 48px rgba(17,28,47,.11)}.jm-student *{box-sizing:border-box}.jm-student{scroll-behavior:smooth;min-width:320px;margin:0;color:var(--ink);background:linear-gradient(#eef1f5,#f7f8fa 360px);font-family:var(--font-inter),Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.jm-student a,.jm-student button{font:inherit}.jm-student button{cursor:pointer}.jm-student a{color:inherit;text-decoration:none}.jm-student [hidden]{display:none!important}.jm-student :focus-visible{outline:3px solid #236fa8;outline-offset:3px}.jm-student .skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 14px;border-radius:8px;color:#fff;background:#173e67;transform:translateY(-150%)}.jm-student .skip-link:focus{transform:none}.jm-student .session-header{position:sticky;z-index:80;top:0;min-height:66px;display:grid;grid-template-columns:1fr minmax(260px,480px) 1fr;align-items:center;gap:22px;padding:9px max(20px,calc((100vw - 1260px)/2));color:#f8fbff;border-bottom:1px solid #263047;background:rgba(8,14,27,.96);backdrop-filter:blur(16px)}.jm-student .session-brand{display:inline-flex;width:max-content;flex-direction:column}.jm-student .session-brand span{font-size:17px;font-weight:850;letter-spacing:.02em}.jm-student .session-brand strong{color:var(--acid)}.jm-student .session-brand small{margin-top:1px;color:#aab4c5;font-size:8px;letter-spacing:.07em;text-transform:uppercase}.jm-student .session-progress{display:grid;grid-template-columns:auto minmax(110px,1fr) auto;align-items:center;gap:11px}.jm-student .session-progress>span,.jm-student .session-progress>strong{color:#dbe4f0;font-size:10px;font-weight:720}.jm-student .session-progress i{height:6px;overflow:hidden;border-radius:99px;background:#2b3548}.jm-student .session-progress i b{width:25%;height:100%;display:block;border-radius:inherit;background:linear-gradient(90deg,#9d7cf0,var(--acid));transition:width .26s ease}.jm-student .exit-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid #3a465c;border-radius:10px;color:#dbe4f0;font-size:10px;font-weight:700}.jm-student .exit-link:hover{border-color:#64738d;background:#141d2f}.jm-student .practice-main{width:min(1260px,calc(100% - 40px));margin:0 auto;padding:28px 0 78px}.jm-student .session-context{display:flex;align-items:end;justify-content:space-between;gap:20px}.jm-student .session-context p{margin:0;color:var(--purple);font-size:10px;font-weight:800;letter-spacing:.055em;text-transform:uppercase}.jm-student .session-context h1{margin:6px 0 0;font-size:clamp(26px,3vw,38px);font-weight:570;letter-spacing:-.04em}.jm-student .session-mode{min-height:35px;display:inline-flex;align-items:center;padding:0 11px;border:1px solid #cfc4f4;border-radius:999px;color:#5537ad;background:#f3efff;font-size:9px;font-weight:760}.jm-student .session-layout{display:grid;grid-template-columns:minmax(390px,.87fr) minmax(520px,1.13fr);align-items:start;gap:15px;margin-top:20px}.jm-student .question-card,.jm-student .workbench{border:1px solid var(--line);border-radius:19px;background:var(--paper);box-shadow:var(--shadow)}.jm-student .question-card{position:sticky;top:86px;overflow:hidden}.jm-student .question-card>header{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--muted);background:var(--paper-2);font-size:9px;font-weight:720}.jm-student .question-card>header span:last-child{color:var(--green)}.jm-student .question-card h2{margin:0;padding:22px 22px 17px;color:var(--ink);font-size:19px;font-weight:520;line-height:1.55;letter-spacing:-.015em}.jm-student .option-list{display:grid;gap:8px;padding:0 18px 18px}.jm-student .answer-option{position:relative;min-height:60px;display:grid;grid-template-columns:35px minmax(0,1fr);align-items:center;gap:10px;overflow:hidden;padding:10px 12px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--paper);text-align:left;transition:border-color .15s ease,background .15s ease,transform .15s ease}.jm-student .answer-option:hover:not(:disabled){border-color:#8f7bd5;background:#faf8ff;transform:translateY(-1px)}.jm-student .answer-option>b{position:relative;z-index:2;display:grid;width:34px;height:34px;place-items:center;border:1px solid var(--line);border-radius:9px;color:var(--ink-2);background:var(--paper-2);font-size:11px}.jm-student .option-copy{position:relative;z-index:2;min-width:0}.jm-student .option-copy>span{display:block;color:var(--ink);font-size:13px;line-height:1.35}.jm-student .option-diagnosis{display:none;margin-top:6px;color:var(--ink-2);font-size:10px;line-height:1.45}.jm-student .option-diagnosis strong{color:var(--ink);font-weight:700}.jm-student .option-crowd{display:none;align-items:center;justify-content:space-between;gap:10px;margin-top:8px;color:var(--muted);font-size:9px}.jm-student .crowd-track{position:absolute;z-index:0;right:0;bottom:0;left:0;height:4px;background:var(--paper-3)}.jm-student .crowd-track i{height:100%;display:block;background:#8697ad}.jm-student .question-card.has-answer .answer-option{align-items:start}.jm-student .question-card.has-answer .option-crowd,.jm-student .question-card.has-answer .option-diagnosis{display:flex}.jm-student .question-card.has-answer .answer-option{min-height:100px}.jm-student .answer-option.is-selected{border-color:var(--purple);background:var(--purple-soft);box-shadow:0 0 0 2px rgba(104,71,202,.1)}.jm-student .answer-option.is-correct{border-color:#5aa57f;background:var(--green-soft)}.jm-student .answer-option.is-correct>b{border-color:#70b893;color:var(--green);background:#f5fff9}.jm-student .answer-option.is-wrong{border-color:#d88d94;background:var(--red-soft)}.jm-student .answer-option.is-wrong>b{border-color:#da9ba1;color:var(--red);background:#fffafa}.jm-student .answer-option.is-correct .crowd-track i{background:#4e9c74}.jm-student .answer-option.is-wrong .crowd-track i{background:#c35f69}.jm-student .commit-note{margin:0;padding:13px 18px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:9px;line-height:1.45}.jm-student .workbench{min-height:525px;padding:22px}.jm-student .start-message{min-height:470px;display:flex;align-items:center;flex-direction:column;justify-content:center;text-align:center}.jm-student .start-mark{display:grid;width:62px;height:62px;place-items:center;border:1px solid #cfc4f4;border-radius:18px;color:var(--purple);background:var(--purple-soft);font-size:27px;font-weight:680}.jm-student .start-message h2{margin:18px 0 0;font-size:27px;font-weight:580;letter-spacing:-.035em}.jm-student .start-message p{max-width:470px;margin:10px 0 0;color:var(--ink-2);font-size:13px;line-height:1.55}.jm-student .start-message ul{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin:20px 0 0;padding:0;list-style:none}.jm-student .start-message li{padding:8px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink-2);background:var(--paper-2);font-size:9px}.jm-student .answer-review>header>span,.jm-student .completion-panel>span,.jm-student .panel-heading>div>span{color:var(--purple);font-size:9px;font-weight:820;letter-spacing:.055em;text-transform:uppercase}.jm-student .answer-review h2,.jm-student .completion-panel h2,.jm-student .panel-heading h2{margin:8px 0 0;color:var(--ink);font-size:clamp(24px,3vw,34px);font-weight:570;letter-spacing:-.04em}.jm-student .answer-review>header>p{margin:12px 0 0;color:var(--ink-2);font-size:14px;line-height:1.55}.jm-student .review-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.jm-student .primary-button,.jm-student .secondary-button,.jm-student .text-button{min-height:48px;border-radius:11px;font-size:10px;font-weight:800}.jm-student .primary-button{min-width:220px;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:0 14px 0 17px;border:1px solid #bed52b;color:#172100;background:linear-gradient(135deg,#e8ff63,#cce932);box-shadow:0 10px 25px rgba(181,212,32,.17)}.jm-student .primary-button:hover{transform:translateY(-1px);box-shadow:0 13px 29px rgba(181,212,32,.23)}.jm-student .secondary-button{padding:0 16px;border:1px solid var(--line-strong);color:var(--ink);background:var(--paper)}.jm-student .secondary-button:hover{background:var(--paper-2)}.jm-student .text-button{min-width:44px;padding:0 10px;border:0;color:var(--purple);background:transparent}.jm-student .panel-heading{display:flex;align-items:start;justify-content:space-between;gap:18px}.jm-student .panel-heading h2{font-size:27px}.jm-student .takeaway-stack{margin-top:18px;padding:15px;border:1px solid #abd1be;border-radius:13px;background:var(--green-soft)}.jm-student .takeaway-stack>span{color:var(--green);font-size:9px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.jm-student .takeaway-stack ol{display:grid;gap:7px;margin:11px 0 0;padding-left:22px}.jm-student .takeaway-stack li{padding-left:3px;color:#184f38;font-size:11px;line-height:1.45}.jm-student .hint-card{margin-top:13px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2)}.jm-student .hint-card>p:first-child{margin:0;color:var(--ink);font-size:17px;font-weight:520;line-height:1.5}.jm-student .hint-options,.jm-student .transfer-options{display:grid;gap:7px;margin-top:15px}.jm-student .hint-choice,.jm-student .transfer-choice{min-height:50px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--paper);font-size:11px;text-align:left}.jm-student .hint-choice:hover,.jm-student .transfer-choice:hover{border-color:#8c75d7;background:#faf8ff}.jm-student .hint-choice.is-correct,.jm-student .transfer-choice.is-correct{border-color:#67a989;color:#145c3b;background:var(--green-soft)}.jm-student .hint-choice.is-wrong,.jm-student .transfer-choice.is-wrong{border-color:#d58e95;color:#8d2530;background:var(--red-soft)}.jm-student .hint-feedback,.jm-student .transfer-feedback{margin:12px 0 0;padding:11px 12px;border-radius:9px;color:#8d2530;background:var(--red-soft);font-size:11px;line-height:1.45}.jm-student .hint-feedback.success,.jm-student .transfer-feedback.success{color:#145c3b;background:var(--green-soft)}.jm-student .celebration{position:relative;min-height:104px;display:flex;align-items:center;gap:14px;margin-bottom:14px;overflow:hidden;padding:17px;border:1px solid #8bc8a7;border-radius:14px;background:linear-gradient(135deg,#e8f9ef,#f7fffa)}.jm-student .celebration>span{position:relative;z-index:2;display:grid;width:48px;height:48px;flex:0 0 auto;place-items:center;border-radius:50%;color:#fff;background:var(--green);font-size:22px}.jm-student .celebration>div:not(.confetti){position:relative;z-index:2}.jm-student .celebration p{margin:0;color:#124d34;font-size:18px;font-weight:650}.jm-student .celebration small{display:block;margin-top:5px;color:#356a52;font-size:10px}.jm-student .confetti{position:absolute;inset:0;pointer-events:none}.jm-student .confetti i{position:absolute;top:-12px;width:7px;height:17px;border-radius:2px;background:#6d4dd0;animation:fall 1.7s ease-out forwards}.jm-student .confetti i:first-child{left:8%;background:#d54d5a;transform:rotate(18deg)}.jm-student .confetti i:nth-child(2){left:24%;background:#e2b424;animation-delay:.13s}.jm-student .confetti i:nth-child(3){left:43%;background:#2e8cc3;animation-delay:.05s}.jm-student .confetti i:nth-child(4){left:61%;background:#35a769;animation-delay:.18s}.jm-student .confetti i:nth-child(5){left:78%;background:#7d5ed4;animation-delay:.09s}.jm-student .confetti i:nth-child(6){left:92%;background:#e27631;animation-delay:.2s}@keyframes fall{to{transform:translateY(116px) rotate(250deg);opacity:0}}.jm-student .solution-panel,.jm-student .transfer-panel{padding-top:2px}.jm-student .solution-tabs{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--paper-2)}.jm-student .solution-tabs button{min-height:44px;padding:0 11px;border:1px solid transparent;border-radius:8px;color:var(--muted);background:transparent;font-size:9px;font-weight:720}.jm-student .solution-tabs button.is-selected{border-color:var(--line);color:var(--ink);background:#fff;box-shadow:0 5px 13px rgba(17,28,47,.08)}.jm-student .solution-steps{display:grid;gap:0;margin-top:18px;border:1px solid var(--line);border-radius:13px;overflow:hidden}.jm-student .solution-step{display:grid;grid-template-columns:100px minmax(0,1fr);border-top:1px solid var(--line)}.jm-student .solution-step:first-child{border-top:0}.jm-student .solution-step span{padding:13px;color:var(--muted);background:var(--paper-2);font-size:9px;font-weight:750;text-transform:uppercase}.jm-student .solution-step p{margin:0;padding:13px 15px;color:var(--ink);font:16px/1.55 Georgia,Times New Roman,serif}.jm-student .solution-step:last-child p{color:#145c3b;background:var(--green-soft);font-weight:650}.jm-student .shortcut-card{margin-top:18px;padding:20px;border:1px solid #b6a5ed;border-radius:14px;background:var(--purple-soft)}.jm-student .shortcut-card span{color:#5537ad;font-size:9px;font-weight:800;text-transform:uppercase}.jm-student .shortcut-card p{margin:10px 0 0;color:#2d2354;font:18px/1.55 Georgia,Times New Roman,serif}.jm-student .prove-button{margin-top:17px}.jm-student .transfer-mark{padding:7px 9px;border-radius:8px;color:#145c3b;background:var(--green-soft);font-size:9px;font-weight:800}.jm-student .transfer-question{margin:19px 0 0;color:var(--ink);font:20px/1.55 Georgia,Times New Roman,serif}.jm-student .completion-panel{text-align:center}.jm-student .completion-burst{width:76px;height:76px;display:grid;margin:3px auto 15px;place-items:center;border:9px solid #d8f0e3;border-radius:50%;color:#fff;background:var(--green);box-shadow:0 0 0 7px #eef9f3;font-size:30px}.jm-student .completion-panel>p{max-width:610px;margin:12px auto 0;color:var(--ink-2);font-size:13px;line-height:1.55}.jm-student .evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:23px}.jm-student .evidence-grid div,.jm-student .outcome-row>span{min-width:0;padding:12px;border:1px solid var(--line);border-radius:11px;background:var(--paper-2);text-align:left}.jm-student .evidence-grid small,.jm-student .evidence-grid strong,.jm-student .outcome-row small,.jm-student .outcome-row strong{display:block}.jm-student .evidence-grid small,.jm-student .outcome-row small{color:var(--muted);font-size:8px;text-transform:uppercase}.jm-student .evidence-grid strong,.jm-student .outcome-row strong{margin-top:6px;color:var(--ink);font-size:12px;line-height:1.3}.jm-student .outcome-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:8px}.jm-student .outcome-row>span{border-color:#abd1be;background:var(--green-soft)}.jm-student .outcome-row strong{color:#145c3b}.jm-student .next-trap{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px;margin-top:18px;padding:17px;border:1px solid #c9bced;border-radius:14px;background:var(--purple-soft);text-align:left}.jm-student .next-trap span{color:#5b3bb1;font-size:8px;font-weight:800;text-transform:uppercase}.jm-student .next-trap h3{margin:7px 0 0;color:#21183e;font-size:17px}.jm-student .next-trap p{margin:6px 0 0;color:#564a72;font-size:10px}.jm-student .next-trap a{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 13px;border-radius:10px;color:#fff;background:#5c3bb4;font-size:10px;font-weight:800}.jm-student .completion-links{display:flex;justify-content:center;gap:19px;margin-top:17px}.jm-student .completion-links a{min-height:44px;display:flex;align-items:center;color:var(--purple);font-size:10px;font-weight:720;text-decoration:underline;text-underline-offset:3px}.jm-student .mobile-question-dock{display:none}.jm-student .toast{position:fixed;z-index:100;right:18px;bottom:18px;max-width:320px;padding:12px 15px;border:1px solid #35415a;border-radius:10px;color:#fff;background:#111a2c;box-shadow:0 15px 38px rgba(0,0,0,.25);font-size:10px}@media (max-width:1000px){.jm-student .session-layout{grid-template-columns:minmax(340px,.82fr) minmax(430px,1.18fr)}.jm-student .evidence-grid{grid-template-columns:1fr 1fr}}@media (max-width:820px){.jm-student .session-header{grid-template-columns:auto minmax(150px,1fr) auto;padding-inline:14px}.jm-student .session-brand small,.jm-student .session-progress>span{display:none}.jm-student .practice-main{width:min(100% - 22px,680px);padding-top:20px}.jm-student .session-context{align-items:start}.jm-student .session-layout{grid-template-columns:1fr}.jm-student .question-card{position:static}.jm-student .workbench{min-height:0}.jm-student.has-answer .mobile-question-dock{position:sticky;z-index:65;top:66px;display:block;margin:13px 0 -3px;padding:11px 12px;border:1px solid #bcc7d5;border-radius:11px;background:rgba(255,255,255,.97);box-shadow:0 10px 25px rgba(17,28,47,.12)}.jm-student .mobile-question-dock p{max-height:40px;margin:0;overflow:hidden;color:var(--ink);font-size:11px;line-height:1.45}.jm-student .mobile-question-dock>div{display:flex;gap:12px;margin-top:6px}.jm-student .mobile-question-dock span,.jm-student .mobile-question-dock strong{font-size:9px}.jm-student .mobile-question-dock span{color:var(--red)}.jm-student .mobile-question-dock strong{color:var(--green)}}@media (max-width:560px){.jm-student .session-header{min-height:60px;gap:9px}.jm-student .session-brand span{font-size:14px}.jm-student .session-progress{gap:6px}.jm-student .exit-link,.jm-student .session-progress>strong{font-size:8px}.jm-student .exit-link{min-height:44px;padding-inline:9px}.jm-student .session-context h1{font-size:27px}.jm-student .session-mode{display:none}.jm-student.has-answer .mobile-question-dock{top:60px}.jm-student .question-card h2{padding:18px 16px 14px;font-size:17px}.jm-student .option-list{padding-inline:12px}.jm-student .question-card.has-answer .answer-option{min-height:0}.jm-student .answer-option{padding:9px}.jm-student .option-copy>span{font-size:12px}.jm-student .workbench{padding:16px;border-radius:16px}.jm-student .start-message{min-height:360px}.jm-student .start-message ul{display:grid}.jm-student .primary-button,.jm-student .review-actions,.jm-student .secondary-button{width:100%}.jm-student .panel-heading{align-items:flex-start;flex-direction:column}.jm-student .panel-heading .text-button{align-self:flex-end;margin-top:-49px}.jm-student .solution-tabs{width:100%}.jm-student .solution-tabs button{flex:1}.jm-student .solution-step{grid-template-columns:1fr}.jm-student .solution-step span{padding-bottom:6px}.jm-student .solution-step p{padding-top:8px;font-size:15px}.jm-student .evidence-grid,.jm-student .outcome-row{grid-template-columns:1fr 1fr}.jm-student .outcome-row>span:last-child{grid-column:1/-1}.jm-student .next-trap{grid-template-columns:1fr}.jm-student .next-trap a{width:100%}.jm-student .completion-links{align-items:center;flex-direction:column;gap:0}}@media (prefers-reduced-motion:reduce){.jm-student *,.jm-student :after,.jm-student :before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}