._4REAyW_page{color:#0f172a;font-family:var(--font-open-sans), sans-serif;overflow-wrap:anywhere;background:#fdfcfb;padding-bottom:32px}._4REAyW_landingPage{padding-bottom:0}._4REAyW_container{max-width:1240px;margin:auto;padding-inline:clamp(20px,4vw,48px)}._4REAyW_sessionContainer{padding-top:40px}._4REAyW_page h1,._4REAyW_page h2,._4REAyW_page h3,._4REAyW_page p{margin:0}._4REAyW_page button,._4REAyW_page label,._4REAyW_page summary{-webkit-tap-highlight-color:transparent}._4REAyW_page button,._4REAyW_page summary{cursor:pointer}._4REAyW_page :is(button,input,select,summary,pre,[tabindex]):focus-visible{outline-offset:5px;outline:3px solid #059669}._4REAyW_page button:disabled,._4REAyW_page select:disabled{cursor:not-allowed;opacity:.5}._4REAyW_primary,._4REAyW_secondary{border-radius:8px;justify-content:center;align-items:center;min-height:52px;padding:14px 26px;font-size:16px;font-weight:700;line-height:1.5;display:inline-flex}._4REAyW_primary{color:#fff;background:#047857;border:1px solid #047857}._4REAyW_secondary{color:#334155;background:#fff;border:1px solid #cbd5e1}._4REAyW_textButton{color:#047857;text-underline-offset:4px;min-height:44px;font-size:16px;font-weight:600;text-decoration:underline}._4REAyW_modeGrid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px;margin-top:28px;display:grid}._4REAyW_modeGrid button{width:100%;padding-inline:16px}._4REAyW_modeDetail{color:#475569;text-align:center;font-size:16px;line-height:1.6;margin-top:10px!important}._4REAyW_modeStatus{color:#475569;font-size:16px;line-height:1.6;margin-top:10px!important}._4REAyW_focus{flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px;font-size:16px;display:flex}._4REAyW_focus label{font-weight:600}._4REAyW_focus select{background:#fff;border:1px solid #cbd5e1;border-radius:6px;max-width:100%;min-height:44px;padding:8px 36px 8px 12px}._4REAyW_developerButton{color:#64748b;text-underline-offset:4px;min-height:44px;margin-top:24px;font-size:14px;text-decoration:underline;display:block}._4REAyW_developerOverlay{z-index:100;background:#0f172a66;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}._4REAyW_developerDialog{width:min(100%,560px);max-height:calc(100vh - 40px);color:#0f172a;max-height:calc(100dvh - 40px);font-family:var(--font-open-sans), sans-serif;background:#fff;border-radius:12px;padding:28px;font-size:16px;overflow-y:auto}._4REAyW_developerDialog :is(button,input,[tabindex]):focus-visible{outline-offset:4px;outline:3px solid #059669}._4REAyW_developerDialog h2{font-size:24px;font-weight:600}._4REAyW_developerDialog p{color:#475569;margin-top:16px;line-height:1.7}._4REAyW_developerDialog fieldset{gap:8px;margin-top:20px;display:grid}._4REAyW_developerDialog legend{padding-bottom:8px;font-weight:600}._4REAyW_developerDialog label{align-items:center;gap:12px;min-height:44px;display:inline-flex}._4REAyW_developerDialog input{accent-color:#047857}._4REAyW_developerDialog fieldset:disabled label{opacity:.6;cursor:not-allowed}._4REAyW_developerDialog>button{margin-top:24px}._4REAyW_notice{background:#fff8e9;border:1px solid #ead5ac;border-radius:8px;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:24px;padding:20px;font-size:16px;line-height:1.65;display:flex}._4REAyW_notice p{width:100%}._4REAyW_workspacePage{background:#f1f5f9;padding-bottom:0}._4REAyW_sessionWorkspace{height:100vh;flex-direction:column;height:100dvh;min-height:0;display:flex}._4REAyW_sessionWorkspace>._4REAyW_notice{flex-shrink:0;margin:12px 16px 0}._4REAyW_round{flex-direction:column;flex:1;min-height:0;display:flex}._4REAyW_round>[data-workspace-header]{z-index:10;position:sticky;top:0}._4REAyW_round ._4REAyW_workspaceHeaderRow{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);display:grid}._4REAyW_workspaceIdentity{color:#64748b;align-items:center;gap:12px;min-width:0;font-size:14px;display:flex}._4REAyW_workspaceIdentity>span{border-left:1px solid #e5e7eb;padding-left:12px}._4REAyW_workspaceControls{flex-wrap:wrap;grid-column:3;justify-self:end;align-items:center;gap:16px;min-width:0;max-width:100%;min-height:36px;display:flex}._4REAyW_workspaceControls>p{color:#475569;font-size:14px}._4REAyW_workspaceControls ._4REAyW_textButton{color:#475569;border:1px solid #cbd5e1;border-radius:8px;min-height:36px;padding:7px 12px;font-size:14px;line-height:20px;text-decoration:none}._4REAyW_workspaceControls ._4REAyW_endButton{color:#b91c1c;background:#fef2f2;border-color:#fca5a5}._4REAyW_page ._4REAyW_endButton:focus-visible{outline-offset:4px;outline:3px solid #b91c1c}._4REAyW_timer,._4REAyW_urgent{color:#fff;min-height:36px;font-family:var(--font-mono), monospace;font-variant-numeric:tabular-nums;background:#0f172a;border-radius:8px;align-items:center;padding:8px 12px;font-size:16px;font-weight:600;line-height:20px;display:inline-flex}._4REAyW_urgent{background:#92400e}._4REAyW_exitOverlay{z-index:100;background:#0f172a66;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}._4REAyW_exitDialog{overflow-wrap:anywhere;color:#0f172a;width:min(100%,480px);max-height:calc(100dvh - 40px);font-family:var(--font-open-sans), sans-serif;background:#fff;border-radius:12px;padding:28px;overflow-y:auto}._4REAyW_exitDialog h2{font-size:24px;font-weight:600;line-height:1.4}._4REAyW_exitDialog p{color:#475569;margin-top:16px;font-size:16px;line-height:1.7}._4REAyW_exitDialog button:focus-visible{outline-offset:4px;outline:3px solid #059669}._4REAyW_exitActions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}._4REAyW_questionGrid{flex:1;grid-template-columns:minmax(0,1fr) 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h2{font-size:16px;font-weight:600;line-height:1.5}._4REAyW_failingExample h3{color:#475569;margin-bottom:8px;font-size:12px;font-weight:600}._4REAyW_failingExample pre{font-family:var(--font-mono), monospace;font-variant-ligatures:none;tab-size:4;white-space:pre;margin:0;font-size:14px;line-height:1.6;overflow:auto}._4REAyW_exampleInput{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;min-width:0;margin-top:12px;padding:14px}._4REAyW_exampleResults{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px;display:grid}._4REAyW_exampleExpected,._4REAyW_exampleActual{border:1px solid;border-radius:8px;min-width:0;padding:14px}._4REAyW_exampleExpected{background:#f0fdf4;border-color:#bbf7d0}._4REAyW_exampleExpected h3{color:#166534}._4REAyW_exampleActual{background:#fffbeb;border-color:#fde68a}._4REAyW_exampleActual h3{color:#92400e}._4REAyW_codeHeading{color:#e2e8f0;background:#21252b;border-bottom:1px solid #181b20;justify-content:space-between;align-items:center;padding:12px 20px;display:flex}._4REAyW_codeHeading h2{font-size:14px;font-weight:600}._4REAyW_codeHeading>span{color:#94a3b8;font-size:12px}._4REAyW_codePanel{background:#282c34}._4REAyW_codePanel ._4REAyW_code{background:#282c34;border-radius:0;padding:16px;font-size:13.5px;line-height:1.6}._4REAyW_codePanel ._4REAyW_code:focus-visible{outline-offset:-4px}._4REAyW_answerBody{padding:22px}._4REAyW_answerBody fieldset{min-width:0}._4REAyW_code{color:#abb2bf;font-family:var(--font-mono), 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legend{font-size:21px;font-weight:600;line-height:1.4}._4REAyW_answerTarget{color:#475569;margin-top:16px;font-size:14px;line-height:1.6}._4REAyW_answerTarget>p{margin-bottom:8px}._4REAyW_options{gap:12px;margin-top:20px;display:grid}._4REAyW_option{cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:10px 12px;min-height:60px;padding:12px;display:grid;position:relative}._4REAyW_option input{opacity:0;width:1px;height:1px;position:absolute}._4REAyW_option:has(input:focus-visible){outline-offset:4px;outline:3px solid #059669}._4REAyW_optionLetter{color:#475569;width:30px;height:30px;font-family:var(--font-mono), monospace;border:1px solid #cbd5e1;border-radius:5px;grid-area:1/1;place-items:center;font-size:14px;display:grid}._4REAyW_option>._4REAyW_compactCode{grid-area:1/2}._4REAyW_option[data-multiline=true]>._4REAyW_compactCode{grid-area:2/1/auto/-1}._4REAyW_option[data-selected=true]{background:#f0fdf4;border-color:#047857;box-shadow:0 0 0 1px #047857}._4REAyW_option[data-selected=true] ._4REAyW_optionLetter{color:#fff;background:#047857;border-color:#047857}._4REAyW_option[data-result=correct]{box-shadow:none;background:#f0fdf4;border-color:#047857}._4REAyW_option[data-result=incorrect]{box-shadow:none;background:#fffbeb;border-color:#b45309}._4REAyW_option:has(input:disabled){cursor:default}._4REAyW_resultLabel{color:#334155;grid-area:2/2;font-size:13px;font-weight:600}._4REAyW_option[data-multiline=true] ._4REAyW_resultLabel{grid-row:1;justify-self:end}._4REAyW_feedback{gap:16px;margin-top:24px;display:grid}._4REAyW_feedbackVerdict{background:#ecfdf5;border:1px solid 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#e2e8f0;padding-top:12px}._4REAyW_endControl{position:relative}._4REAyW_workspaceControls ._4REAyW_endConfirmation{z-index:20;width:min(520px,100vw - 32px);position:absolute;right:0;box-shadow:0 12px 32px #0f172a1a}._4REAyW_endConfirmation{background:#fff9f2;border:1px solid #e5ccb7;border-radius:8px;max-width:520px;margin-top:12px;padding:20px}._4REAyW_endConfirmation p{color:#725c48;font-size:16px;line-height:1.7}._4REAyW_endConfirmation>div{flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px;display:flex}._4REAyW_results{max-width:1120px;margin:20px auto 0;padding-bottom:32px}._4REAyW_resultHeader{background:linear-gradient(120deg,#fff,#f0fdf4);border:1px solid #dce8e1;border-radius:16px;justify-content:space-between;align-items:center;gap:24px;padding:28px;display:flex}._4REAyW_results h1{font-family:var(--font-gelasio), serif;letter-spacing:-.025em;font-size:clamp(32px,4vw,44px);font-weight:700;line-height:1.2}._4REAyW_results ._4REAyW_resultEyebrow{color:#047857;letter-spacing:.05em;text-transform:uppercase;margin-bottom:10px;font-size:13px;font-weight:700}._4REAyW_results ._4REAyW_resultSummary{color:#475569;margin-top:14px;font-size:15px;line-height:1.7}._4REAyW_resultScore{text-align:center;flex-shrink:0;padding:12px 20px}._4REAyW_resultScore strong{color:#047857;font-variant-numeric:tabular-nums;font-size:52px;font-weight:700;line-height:1.1;display:block}._4REAyW_resultScore small{color:#64748b;font-size:26px;font-weight:400}._4REAyW_resultScore span{color:#475569;margin-top:8px;font-size:14px;display:block}._4REAyW_resultActions{margin-top:20px}._4REAyW_answerReview{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:24px;margin-top:32px;display:grid}._4REAyW_reviewCard{background:#fff;border:1px solid #dbe2e9;border-radius:14px;min-width:0;padding:24px;box-shadow:0 3px 12px #0f172a05}._4REAyW_reviewHeading{color:#64748b;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;font-size:13px;font-weight:600;display:flex}._4REAyW_reviewVerdict{color:#475569;background:#f1f5f9;border-radius:6px;padding:5px 10px}._4REAyW_reviewVerdict[data-result=correct]{color:#047857;background:#ecfdf5}._4REAyW_reviewVerdict[data-result=incorrect]{color:#92400e;background:#fffbeb}._4REAyW_reviewCard h2{font-size:20px;font-weight:600;line-height:1.4}._4REAyW_reviewCard h3{color:#047857;margin-bottom:12px;font-size:14px;font-weight:700}._4REAyW_answerReview p{color:#475569;margin-top:12px;font-size:15px;line-height:1.7}._4REAyW_reviewCard>._4REAyW_code{margin-top:20px;padding:16px;font-size:13px;line-height:1.6}._4REAyW_reviewFix,._4REAyW_reviewChoice{border-top:1px solid #e2e8f0;margin-top:20px;padding-top:20px}._4REAyW_reviewChoice h3{color:#92400e}@media 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(max-width:640px){._4REAyW_sessionContainer{padding-top:24px}._4REAyW_modeGrid{gap:12px}._4REAyW_modeGrid button{padding-inline:12px}._4REAyW_code{padding:20px 16px}._4REAyW_option{gap:12px;padding:16px}._4REAyW_developerDialog{padding:24px}._4REAyW_results{margin-top:24px}._4REAyW_resultActions>button{width:100%}}@media (max-width:520px){._4REAyW_modeGrid{grid-template-columns:minmax(0,1fr);gap:24px}}@media (prefers-reduced-motion:reduce){._4REAyW_page *,._4REAyW_page :before,._4REAyW_page :after{transition:none!important;animation:none!important}}._4REAyW_roundActions{background:#fff;border-top:1px solid #e2e8f0;flex-shrink:0;justify-content:flex-end;align-items:center;gap:20px;padding:12px 24px;display:flex}._4REAyW_roundActions ._4REAyW_primary{width:calc(50% - 12px)}._4REAyW_sessionStats{color:#475569;grid-column:2;justify-self:center;align-items:center;gap:24px;min-height:36px;font-size:14px;line-height:20px;display:flex}._4REAyW_sessionScore{color:#0f172a;font-variant-numeric:tabular-nums;align-items:baseline;gap:6px;font-size:18px;font-weight:700;line-height:24px;display:inline-flex}._4REAyW_sessionStats ._4REAyW_statLabel{color:#475569;font-size:14px;font-weight:400}._4REAyW_elapsedValue{color:#334155;font-variant-numeric:tabular-nums;font-size:16px;font-weight:600}._4REAyW_statIcon,._4REAyW_compactProgress{display:none}@media (max-width:900px){._4REAyW_roundActions{padding:12px 16px}._4REAyW_roundActions ._4REAyW_primary{width:100%}._4REAyW_round ._4REAyW_workspaceHeaderRow{flex-wrap:wrap;display:flex}._4REAyW_workspaceControls{margin-left:auto}._4REAyW_workspaceControls ._4REAyW_textButton,._4REAyW_workspaceIdentity button{min-height:44px}._4REAyW_sessionStats{flex-wrap:wrap;order:3;justify-content:center;width:100%}}@media (max-width:900px),(max-height:480px){._4REAyW_sessionWorkspace{height:auto;min-height:100vh;min-height:100dvh}._4REAyW_round>[data-workspace-header]{position:static}._4REAyW_questionGrid{flex:none;overflow:visible}._4REAyW_roundActions{margin-top:auto}._4REAyW_workspaceControls ._4REAyW_endConfirmation{max-height:calc(100vh - 40px);max-height:calc(100dvh - 40px);margin-top:0;position:fixed;top:20px;right:16px;overflow-y:auto}}@media (max-width:520px){._4REAyW_round ._4REAyW_workspaceHeaderRow{gap:8px}._4REAyW_workspaceIdentity{flex:0 0 44px}._4REAyW_workspaceIdentity button{justify-content:center;min-width:44px}._4REAyW_workspaceIdentity button>span{display:none}._4REAyW_sessionStats{flex:1 1 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