:root{--color-grade-fast:#b9e969;--color-grade-slow:#d9ab5f;--color-grade-incorrect:#d07373;--study-control-height:72px;--study-outer-padding:clamp(8px, 2dvh, 16px);--study-panel-padding:clamp(12px, 3dvh, 32px);--phone-answer-lift:clamp(0px, calc(100dvh - 520px), 144px);--phone-study-padding:clamp(12px, 3dvh, 24px);--color-background:#14221d;--color-text:#eaf4ec;--color-primary:#187d61;--color-accent:#b9e969;--color-surface:color-mix(in srgb, var(--color-background) 94%, var(--color-text));--color-surface-raised:color-mix(in srgb, var(--color-background) 87%, var(--color-text));--color-border:color-mix(in srgb, var(--color-background) 72%, var(--color-text));--color-text-muted:color-mix(in srgb, var(--color-text) 72%, var(--color-background));--color-on-primary:color-mix(in srgb, var(--color-text) 70%, white);--color-primary-text:color-mix(in srgb, var(--color-primary) 45%, var(--color-text));--color-timer-track:var(--color-background);--color-timer-urgent:color-mix(in srgb, var(--color-primary) 75%, var(--color-text));--color-shadow:color-mix(in srgb, var(--color-background) 35%, transparent);--color-focus:var(--color-primary-text);--color-notice-background:var(--color-surface-raised);--color-notice-border:var(--color-primary-text);--color-correct:var(--color-primary-text);--color-incorrect:var(--color-text-muted);--color-example-background:color-mix(in srgb, var(--color-background) 86%, var(--color-primary));--color-example-border:color-mix(in srgb, var(--color-background) 72%, var(--color-text));color:var(--color-text);background:var(--color-background);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe 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16px}.weekly-chart{grid-template-columns:repeat(7,minmax(0,1fr));gap:12px;height:64px;margin-top:8px;display:grid}.weekly-column{font-variant-numeric:tabular-nums;flex-direction:column;align-items:center;gap:3px;min-width:0;display:flex}.weekly-count,.weekly-date{color:var(--color-text-muted);font-size:10px;line-height:1.2}.weekly-track{flex:1;align-items:flex-end;width:min(30px,70%);min-height:0;display:flex}.weekly-track>div{background:var(--color-primary);border-radius:3px 3px 0 0;width:100%}.weekly-column.is-today .weekly-track>div{background:var(--color-accent)}.weekly-column.is-today .weekly-date{color:var(--color-text)}@media (width<=480px){.answer-breakdown{margin-top:12px}.breakdown-counts{gap:5px}.breakdown-counts li{gap:4px;font-size:12px}}.app.home{max-width:1040px;padding:48px 32px}.home-shell{flex-direction:column;display:flex}.phone-weekly{display:none}.home-header{justify-content:space-between;align-items:center;margin:0 0 28px;display:flex}.home-header 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var(--color-border);border-radius:18px;min-width:0;padding:28px}.home-card-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.home-card h2,.home-card h3{margin:0;font-size:16px;line-height:1.4}.mastery-value{justify-content:space-between;align-items:baseline;gap:12px;margin:24px 0 20px;display:flex}.mastery-value strong{font-size:52px;font-weight:600;line-height:1}.mastery-value>span{color:var(--color-text-muted);font-size:14px}.mastery-track{background:var(--color-timer-track);border-radius:8px;height:6px}.mastery-track>div{border-radius:inherit;background:var(--color-primary);height:100%}.mastery-meter{margin-top:6px}.mastery-meter-value{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.mastery-meter-value 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and (height<=640px){.app.home .home-history{top:calc(var(--home-action-gap) + var(--study-control-height) + 2px)}.app.home .phone-weekly{top:calc(var(--home-action-gap) + var(--study-control-height) + 48px)}.app.home .phone-weekly .home-weekly{padding:2px 8px}.app.home .phone-weekly .weekly-chart{height:36px;margin-top:2px}}@media (width>=481px) and (height<=520px){.app.home .home-shell{height:calc(100dvh - var(--home-top-inset) - var(--home-control-bottom-inset));grid-template-rows:auto minmax(0,1fr) auto}.app.home .home-content{align-content:start;min-height:0;overflow-y:auto}}@media (width<=480px){.app.home .home-content{flex-direction:column;gap:0;display:flex}.app.home .home-content:before{content:"";flex:0 16px;min-height:0}.app.home .home-dashboard{flex:none}}.app.history-page{max-width:1040px;padding:32px}.history-header{margin-bottom:24px}.history-header h1{margin:20px 0 8px;font-size:28px}.history-header 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