.practice-progress-cell[data-interactive]::before { display: none; }
.practice-progress-cell .practice-question-square {
    display: block; width: var(--practice-progress-square-size); min-width: 0;
    height: var(--practice-progress-square-size); min-height: 0; padding: 0; margin: 0 auto;
    border: 0; border-radius: 3px; background: var(--practice-progress-cell-bg);
    box-shadow: inset 0 0 0 1px rgba(2, 6, 23, .08); cursor: pointer;
}
#practiceProgressHelp { margin-bottom: 0; }
.practice-progress-interaction-hint { display: flex; align-items: flex-start; gap: 8px; margin: 0; line-height: 1.5; }
.practice-progress-interaction-hint svg { flex: 0 0 18px; margin-top: 2px; color: var(--blue); }
.practice-question-square:hover { filter: brightness(1.12); outline: 1px solid var(--blue); outline-offset: 1px; }
.practice-question-square:focus-visible, .practice-question-square[aria-expanded="true"] {
    outline: 2px solid var(--blue); outline-offset: 1px;
}
.practice-question-popover, .practice-answer-detail {
    color: var(--text); background: var(--panel); border: 1px solid var(--line);
    border-radius: 12px; text-align: left; overflow-wrap: anywhere;
}
.practice-question-popover {
    position: fixed; z-index: 1200; width: min(320px, calc(100vw - 24px));
    padding: 16px; box-shadow: 0 12px 36px rgba(0, 0, 0, .24);
    max-height: calc(100dvh - 24px); overflow-y: auto;
}
.practice-question-popover p { margin: 0 0 10px; font-size: 14px; line-height: 1.4; }
.practice-detail-meta { color: var(--muted); font-size: 13px; line-height: 1.5; }
.practice-detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.practice-detail-actions button, .practice-detail-actions a, .practice-answer-tabs button,
.practice-detail-close {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 9px 12px; min-height: 40px; border: 1px solid var(--line); border-radius: 8px;
    background: var(--panel-2); color: var(--text); font: inherit; font-size: 14px;
    text-decoration: none; cursor: pointer; line-height: 1.3;
}
.practice-detail-actions .practice-detail-primary { background: var(--green); color: var(--bg); }
.practice-detail-actions :focus-visible, .practice-answer-tabs :focus-visible, .practice-detail-close:focus-visible {
    outline: 2px solid var(--blue); outline-offset: 3px;
}
.practice-answer-detail { margin-top: 24px; padding: 24px; scroll-margin-top: 20px; }
.practice-detail-header { display: flex; gap: 16px; justify-content: space-between; align-items: start; }
.practice-detail-header h3 { margin: 0 0 10px; font-size: 21px; line-height: 1.45; }
.practice-detail-close { flex: 0 0 auto; }
.practice-detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-top: 20px; }
.practice-detail-column { min-width: 0; }
.practice-answer-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.practice-answer-tabs [aria-pressed="true"] { color: var(--blue); border-color: var(--blue); }
.practice-answer-text, .practice-detail-feedback p, .practice-detail-feedback li { white-space: pre-wrap; line-height: 1.65; font-size: 15px; }
.practice-detail-feedback h4 { margin: 0 0 8px; font-size: 15px; }
.practice-detail-feedback ul { padding-left: 22px; margin: 0 0 20px; }
.practice-detail-feedback p { margin: 0 0 20px; }
.practice-detail-score { display: flex; gap: 20px; align-items: center; border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; }
.practice-detail-ring {
    flex: 0 0 96px; height: 96px; display: grid; place-items: center; border-radius: 50%;
    background: conic-gradient(var(--score-color) calc(var(--score) * 1%), var(--line) 0);
}
.practice-detail-ring span { display: grid; place-items: center; width: 78px; height: 78px; border-radius: 50%; background: var(--panel); font-size: 18px; font-weight: 750; }
.practice-detail-scores { flex: 1; min-width: 0; }
.practice-detail-score-row { display: flex; gap: 12px; justify-content: space-between; font-size: 14px; margin: 8px 0; }
@media (max-width: 720px) {
    .practice-answer-detail { padding: 16px; }
    .practice-detail-grid { grid-template-columns: minmax(0, 1fr); }
    .practice-detail-header { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { .practice-answer-detail { scroll-behavior: auto; } }