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.problem-book-compact-details>summary:after{content:"+";font-size:20px}.adopted-problem-panel .problem-book-compact-details[open]>summary:after{content:"−"}.adopted-problem-panel .panel-subtitle{color:var(--adopted-gold-light);font-size:17px;font-weight:500}.adopted-problem-panel .problem-book-answer-list{overscroll-behavior-y:contain;scrollbar-color:var(--adopted-gold) #102a25;max-height:min(52dvh,420px)}.adopted-problem-panel .problem-book-answer-row{grid-template-columns:48px minmax(0,1fr);gap:8px;padding:10px 0}.adopted-problem-panel .problem-book-answer-row>span{white-space:normal;overflow-wrap:anywhere;font-size:17px}.adopted-problem-panel .problem-book-answer-row .chip-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;display:grid}.adopted-problem-panel .problem-book-answer-row .pill-button{border:1px solid var(--line);min-width:0;min-height:44px;color:var(--ink);background:#0c2820;border-radius:5px;padding:4px;font-size:18px}.adopted-problem-panel .problem-book-answer-row .pill-button.active{border-color:var(--adopted-purple);background:#492267;box-shadow:inset 0 0 0 1px #ba89e766}.adopted-problem-panel button.secondary{border:1px solid var(--adopted-purple);min-height:44px;color:var(--ink);background:#2e1747;border-radius:6px}.adopted-problem-study .study-metric-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:8px}.adopted-problem-study .metric-tile{border:1px solid var(--line);background:#0a241d;border-radius:5px;padding:8px}.adopted-problem-study .study-decision-panel{grid-template-columns:1fr;display:grid;position:static}.adopted-problem-study .decision-card{border-color:var(--line);box-shadow:none;background:#071d19}.adopted-problem-study .question-range-jump{grid-template-columns:minmax(0,1fr) auto;margin-top:8px;display:grid}.adopted-problem-study .mastered-range-note{background:var(--surface-soft);color:var(--muted-strong);border-radius:5px;padding:10px;font-size:12px;line-height:1.6}.adopted-problem-study .mastered-range-note.error{border-color:var(--incorrect-line);background:var(--error-bg);color:var(--error-text)}.adopted-problem-panel .problem-book-session-row,.adopted-problem-panel .problem-book-session-detail{border-color:var(--line);background:#0a241d;border-radius:6px;min-width:0}.adopted-problem-panel .problem-book-session-row.active{border-color:var(--adopted-gold);background:#291936}.adopted-problem-panel .adopted-problem-grading{border-color:var(--adopted-gold)}.adopted-problem-panel .adopted-problem-grade-action{border-color:var(--adopted-gold);box-shadow:inset 0 0 0 1px #b27aff66}.adopted-problem-panel .pill-button.active{border-color:var(--adopted-purple);color:var(--ink);background:#492267}}