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solid var(--border);border-radius:var(--radius);background:var(--surface);min-height:54px;color:var(--text);text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.choice-button>.inline-rich-content{overflow-wrap:anywhere;flex:1;min-width:0}.flag-choice-button{justify-content:center;min-height:82px;padding:10px 48px;position:relative}.flag-choice-button>.inline-rich-content{overflow-wrap:normal;flex:none;font-size:clamp(2.25rem,5vw,3rem);line-height:1}.flag-choice-button>svg{position:absolute;right:18px}.choice-button.selected{border-color:var(--primary)}.choice-button.correct{border-color:color-mix(in srgb, var(--good) 52%, var(--border));background:var(--good-soft);color:var(--good)}.choice-button.wrong{border-color:color-mix(in srgb, var(--bad) 52%, var(--border));background:var(--bad-soft);color:var(--bad)}.explanation{border-radius:var(--radius);margin:0;padding:12px 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(width<=880px){.choice-list,.true-false-list,.short-answer-form{grid-template-columns:1fr}.question-diagram{width:100%}}.finish-page{gap:16px;display:grid}.finish-hero{border:1px solid color-mix(in srgb, var(--primary) 42%, var(--border));border-radius:var(--radius);background:var(--primary-soft);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px;display:grid}.finish-hero h3,.finish-section-heading h3{letter-spacing:0;margin:0;font-size:1.25rem;line-height:1.2}.finish-hero p{color:var(--text);margin:8px 0 0;line-height:1.5}.finish-score{border:2px solid var(--primary);background:var(--surface);width:104px;height:104px;color:var(--primary-strong);border-radius:999px;align-content:center;place-items:center;display:inline-grid}.finish-score strong{font-size:1.65rem;line-height:1}.finish-score span{color:var(--muted);margin-top:4px;font-size:.9rem;font-weight:850}.finish-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.finish-metric{border:1px solid var(--border);border-radius:var(--radius);background:color-mix(in srgb, var(--surface) 92%, var(--bg));gap:5px;min-height:76px;padding:12px;display:grid}.finish-metric span,.finish-section-heading span,.finish-review-top span,.finish-answer-grid span{color:var(--muted);font-size:.84rem;font-weight:850}.finish-metric strong{overflow-wrap:anywhere;align-self:end;font-size:1.15rem;line-height:1.15}.finish-metric.good strong{color:var(--good)}.finish-metric.bad strong{color:var(--bad)}.finish-insight{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.finish-insight span{color:var(--muted);font-size:.86rem;font-weight:850}.finish-insight 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strong{color:var(--text);text-align:right;font-size:.88rem}.finish-note{color:var(--muted);margin:0}.finish-review-list{gap:10px;display:grid}.finish-review-item{border:1px solid color-mix(in srgb, var(--bad) 36%, var(--border));border-radius:var(--radius);background:var(--surface);gap:10px;padding:12px;display:grid}.finish-review-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.finish-review-top strong{color:var(--bad);font-size:.86rem}.finish-review-item p,.finish-review-prompt{margin:0;line-height:1.5}.finish-answer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.finish-answer-grid div{border:1px solid var(--border);border-radius:var(--radius);background:color-mix(in srgb, var(--surface) 90%, var(--bg));gap:4px;padding:10px;display:grid}.finish-answer-grid strong{overflow-wrap:anywhere}.finish-explanation{border-radius:var(--radius);background:var(--accent-soft);color:var(--text);padding:10px}.finish-actions{justify-content:flex-end;display:flex}@media (width<=560px){.finish-hero,.finish-metrics,.finish-answer-grid{grid-template-columns:1fr}.finish-hero{justify-items:start}.finish-score{width:92px;height:92px}.finish-insight,.finish-section-heading{flex-direction:column;align-items:flex-start}.finish-insight strong{text-align:left}.time-row{grid-template-columns:62px minmax(80px,1fr) 64px}.time-type{display:none}.finish-actions .primary-button{width:100%}}.question-list,.question-flow{gap:14px;display:grid}.quiz-nav{grid-template-columns:repeat(3,minmax(0,1fr));align-items:center;gap:10px;display:grid}.quiz-nav span{min-height:40px;color:var(--muted);text-align:center;justify-content:center;align-items:center;font-size:.92rem;font-weight:850;display:inline-flex}.quiz-nav .soft-button,.quiz-nav .primary-button{width:100%}.quiz-nav 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var(--border);border-radius:var(--radius);background:var(--surface);min-height:46px;color:var(--text);text-align:left;cursor:pointer;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;display:grid}.review-item span:nth-child(2){overflow-wrap:anywhere;min-width:0}.review-number{background:var(--primary-soft);width:28px;height:28px;color:var(--primary-strong);border-radius:999px;justify-content:center;align-items:center;font-size:.86rem;font-weight:900;display:inline-flex}.review-item strong{font-size:.84rem}.review-item strong.wrong{color:var(--bad)}.review-item strong.skipped{color:var(--accent)}@media (width<=560px){.quiz-timer{width:100%;margin-left:0}.panel-heading .ghost-button{width:100%}.quiz-intro{min-height:180px}.quiz-nav{grid-template-columns:1fr 1fr}.quiz-nav span{grid-area:1/1/auto/-1}.quiz-nav .soft-button,.quiz-nav .primary-button{width:100%}.quiz-nav .primary-button{justify-self:stretch}.review-item{grid-template-columns:34px minmax(0,1fr)}.review-item strong{grid-column:2}}.detail-header{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);grid-template-columns:minmax(0,1fr);align-items:end;gap:24px;padding:28px;display:grid}.detail-header h1{letter-spacing:0;max-width:760px;margin:4px 0 0;font-size:clamp(2rem,3.4vw,3.2rem);line-height:1.03}.detail-header p:not(.eyebrow){color:var(--muted)}.mode-tabs{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);align-items:center;gap:4px;width:fit-content;padding:4px;display:inline-flex}.mode-tabs button{min-width:84px;height:34px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;justify-content:center;align-items:center;padding:0 14px;font-weight:800;display:inline-flex}.mode-tabs button.active{background:var(--primary-soft);color:var(--primary-strong)}@media (width<=880px){.detail-header{grid-template-columns:1fr;align-items:start;padding:22px}}@media (width<=560px){.detail-header h1{font-size:2.25rem}}