.mistakes[data-astro-cid-2l6tog4a]{padding:var(--space-8) 0 var(--space-24)}.mistakes__container[data-astro-cid-2l6tog4a]{max-width:52rem;margin:0 auto;padding:0 var(--space-4)}.mistakes__breadcrumb[data-astro-cid-2l6tog4a]{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-xs);color:var(--color-text-tertiary);padding-top:var(--space-6);margin-bottom:var(--space-6)}.mistakes__breadcrumb[data-astro-cid-2l6tog4a] a[data-astro-cid-2l6tog4a]{color:var(--color-text-tertiary);text-decoration:none;transition:color var(--transition-fast)}.mistakes__breadcrumb[data-astro-cid-2l6tog4a] a[data-astro-cid-2l6tog4a]:hover{color:var(--color-primary)}.mistakes__breadcrumb-sep[data-astro-cid-2l6tog4a]{color:var(--color-border)}.mistakes__header[data-astro-cid-2l6tog4a]{text-align:center;margin-bottom:var(--space-8)}.mistakes__title[data-astro-cid-2l6tog4a]{font-size:var(--text-3xl);font-weight:700;color:var(--color-text-primary);margin:0 0 var(--space-2)}.mistakes__subtitle[data-astro-cid-2l6tog4a]{font-size:var(--text-lg);color:var(--color-text-secondary);margin:0 0 var(--space-6)}.mistakes__challenge-text[data-astro-cid-2l6tog4a]{font-size:var(--text-sm);color:var(--color-primary);font-weight:600;margin:var(--space-4) 0 0}.mistakes__stats-bar[data-astro-cid-2l6tog4a]{display:inline-flex;align-items:center;gap:var(--space-6);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:var(--space-3) var(--space-6)}.mistakes__stat[data-astro-cid-2l6tog4a]{display:flex;flex-direction:column;align-items:center;gap:2px}.mistakes__stat-value[data-astro-cid-2l6tog4a]{font-size:var(--text-xl);font-weight:700;color:var(--color-text-primary)}.mistakes__stat-value--difficulty[data-astro-cid-2l6tog4a]{display:inline-flex;align-items:center;gap:var(--space-1);font-size:var(--text-sm)}.mistakes__stat-label[data-astro-cid-2l6tog4a]{font-size:var(--text-xs);color:var(--color-text-tertiary)}.mistakes__stat-divider[data-astro-cid-2l6tog4a]{width:1px;height:28px;background:var(--color-border)}.mistakes__diff-dot[data-astro-cid-2l6tog4a]{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:2px}.mistakes__diff-dot--easy[data-astro-cid-2l6tog4a]{background:#34a853}.mistakes__diff-dot--medium[data-astro-cid-2l6tog4a]{background:#f9ab00}.mistakes__diff-dot--hard[data-astro-cid-2l6tog4a]{background:#ea4335}.mistakes__controls[data-astro-cid-2l6tog4a]{position:sticky;top:64px;z-index:10;background:var(--color-bg-primary);padding:var(--space-4) 0;margin-bottom:var(--space-4);border-bottom:1px solid var(--color-border);display:flex;align-items:flex-end;gap:var(--space-4);flex-wrap:wrap}.mistakes__filter-group[data-astro-cid-2l6tog4a]{flex:1;min-width:0}.mistakes__filter-label[data-astro-cid-2l6tog4a]{display:block;font-size:var(--text-xs);font-weight:600;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-2)}.mistakes__tabs[data-astro-cid-2l6tog4a]{display:flex;gap:var(--space-1);flex-wrap:wrap}.mistakes__tab[data-astro-cid-2l6tog4a]{padding:6px 14px;font-size:var(--text-xs);font-weight:500;font-family:var(--font-sans);color:var(--color-text-tertiary);background:transparent;border:1px solid transparent;border-radius:var(--radius-full);cursor:pointer;transition:color var(--transition-fast),background var(--transition-fast),border-color var(--transition-fast);white-space:nowrap}.mistakes__tab[data-astro-cid-2l6tog4a]:hover{color:var(--color-text-primary);background:var(--color-bg-secondary)}.mistakes__tab--active[data-astro-cid-2l6tog4a]{color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 8%,transparent);border-color:color-mix(in srgb,var(--color-primary) 20%,transparent)}.mistakes__actions[data-astro-cid-2l6tog4a]{display:flex;gap:var(--space-2)}.mistakes__action-btn[data-astro-cid-2l6tog4a]{display:inline-flex;align-items:center;gap:var(--space-1);padding:6px 12px;font-size:var(--text-xs);font-weight:500;font-family:var(--font-sans);color:var(--color-text-secondary);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-full);cursor:pointer;transition:color var(--transition-fast),background var(--transition-fast),border-color var(--transition-fast)}.mistakes__action-btn[data-astro-cid-2l6tog4a]:hover{color:#ea4335;border-color:#ea4335}.mistakes__list[data-astro-cid-2l6tog4a]{display:flex;flex-direction:column;gap:var(--space-4)}.mistake-card[data-astro-cid-2l6tog4a]{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.mistake-card[data-astro-cid-2l6tog4a]:hover{border-color:var(--color-border-hover)}.mistake-card--correct[data-astro-cid-2l6tog4a]{border-color:#34a8534d}.mistake-card--incorrect[data-astro-cid-2l6tog4a]{border-color:#ea43354d}.mistake-card__header[data-astro-cid-2l6tog4a]{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.mistake-card__meta[data-astro-cid-2l6tog4a]{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.mistake-card__rank-badge[data-astro-cid-2l6tog4a]{font-size:var(--text-xs);font-weight:700;color:var(--color-text-primary);background:color-mix(in srgb,var(--color-primary) 10%,var(--color-bg-primary));padding:2px 10px;border-radius:var(--radius-full);border:1px solid color-mix(in srgb,var(--color-primary) 20%,transparent)}.mistake-card__domain-badge[data-astro-cid-2l6tog4a]{font-size:var(--text-xs);font-weight:500;color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 8%,transparent);padding:2px 10px;border-radius:var(--radius-full);border:1px solid color-mix(in srgb,var(--color-primary) 15%,transparent)}.mistake-card__diff-badge[data-astro-cid-2l6tog4a]{font-size:var(--text-xs);font-weight:600;padding:2px 10px;border-radius:var(--radius-full)}.mistake-card__diff-badge--easy[data-astro-cid-2l6tog4a]{color:#34a853;background:#34a85314;border:1px solid rgba(52,168,83,.2)}.mistake-card__diff-badge--medium[data-astro-cid-2l6tog4a]{color:#f9ab00;background:#f9ab0014;border:1px solid rgba(249,171,0,.2)}.mistake-card__diff-badge--hard[data-astro-cid-2l6tog4a]{color:#ea4335;background:#ea433514;border:1px solid rgba(234,67,53,.2)}.mistake-card__title[data-astro-cid-2l6tog4a]{font-size:var(--text-base);font-weight:600;color:var(--color-text-primary);margin:0 0 var(--space-4);line-height:1.6}.mistake-card__reveal-area[data-astro-cid-2l6tog4a]{text-align:center}.mistake-card__reveal-btn[data-astro-cid-2l6tog4a]{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--text-sm);font-weight:600;font-family:var(--font-sans);color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 6%,var(--color-bg-primary));border:1px dashed color-mix(in srgb,var(--color-primary) 30%,transparent);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.mistake-card__reveal-btn[data-astro-cid-2l6tog4a]:hover{background:color-mix(in srgb,var(--color-primary) 12%,var(--color-bg-primary));border-color:var(--color-primary)}.mistake-card__content[data-astro-cid-2l6tog4a]{animation:fadeInUp .3s ease-out}.mistake-card__question[data-astro-cid-2l6tog4a]{font-size:var(--text-base);font-weight:500;color:var(--color-text-primary);line-height:1.7;margin:0 0 var(--space-4);padding:var(--space-3) var(--space-4);background:color-mix(in srgb,var(--color-primary) 4%,var(--color-bg-primary));border-radius:var(--radius-md);border-left:3px solid var(--color-primary)}.mistake-card__options[data-astro-cid-2l6tog4a]{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.mistake-card__option[data-astro-cid-2l6tog4a]{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;text-align:left;font-family:var(--font-sans);transition:background var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast)}.mistake-card__option[data-astro-cid-2l6tog4a]:hover:not(.mistake-card__option--disabled){background:var(--color-bg-tertiary);border-color:var(--color-border-hover);transform:translate(4px)}.mistake-card__option--disabled[data-astro-cid-2l6tog4a]{cursor:default;pointer-events:none}.mistake-card__option--correct[data-astro-cid-2l6tog4a]{border-color:#34a853;background:#34a8530f}.mistake-card__option--correct[data-astro-cid-2l6tog4a] .mistake-card__option-marker[data-astro-cid-2l6tog4a]{background:#34a853;color:#fff;border-color:#34a853}.mistake-card__option--incorrect[data-astro-cid-2l6tog4a]{border-color:#ea4335;background:#ea43350f}.mistake-card__option--incorrect[data-astro-cid-2l6tog4a] .mistake-card__option-marker[data-astro-cid-2l6tog4a]{background:#ea4335;color:#fff;border-color:#ea4335}.mistake-card__option-marker[data-astro-cid-2l6tog4a]{display:flex;align-items:center;justify-content:center;width:28px;height:28px;font-size:var(--text-sm);font-weight:700;color:var(--color-text-tertiary);background:var(--color-bg-secondary);border:2px solid var(--color-border);border-radius:50%;flex-shrink:0;transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.mistake-card__option-text[data-astro-cid-2l6tog4a]{font-size:var(--text-sm);color:var(--color-text-primary);line-height:1.6}.mistake-card__feedback[data-astro-cid-2l6tog4a]{margin-top:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--color-border);animation:fadeInUp .3s ease-out}.mistake-card__result[data-astro-cid-2l6tog4a]{font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-4)}.mistake-card__result--correct[data-astro-cid-2l6tog4a]{color:#34a853}.mistake-card__result--incorrect[data-astro-cid-2l6tog4a]{color:#ea4335}.mistake-card__explanation[data-astro-cid-2l6tog4a]{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md)}.mistake-card__explanation[data-astro-cid-2l6tog4a] p[data-astro-cid-2l6tog4a]{margin:var(--space-1) 0 0}.mistake-card__explanation--wrong[data-astro-cid-2l6tog4a]{background:#ea43350a;border-left:3px solid #ea4335}.mistake-card__explanation--correct[data-astro-cid-2l6tog4a]{background:#34a8530a;border-left:3px solid #34a853}.mistake-card__explanation-label[data-astro-cid-2l6tog4a]{font-weight:700;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em}.mistake-card__explanation-label--wrong[data-astro-cid-2l6tog4a]{color:#ea4335}.mistake-card__explanation-label--correct[data-astro-cid-2l6tog4a]{color:#34a853}.mistake-card__key-rule[data-astro-cid-2l6tog4a]{display:flex;align-items:baseline;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary);background:color-mix(in srgb,var(--color-primary) 5%,var(--color-bg-primary));padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border-left:3px solid var(--color-primary);margin-bottom:var(--space-3);line-height:1.6}.mistake-card__key-rule-label[data-astro-cid-2l6tog4a]{font-weight:700;color:var(--color-primary);white-space:nowrap;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em}.mistake-card__related-link[data-astro-cid-2l6tog4a]{display:inline-flex;align-items:center;gap:var(--space-1);font-size:var(--text-sm);font-weight:500;color:var(--color-primary);text-decoration:none;transition:gap var(--transition-fast)}.mistake-card__related-link[data-astro-cid-2l6tog4a]:hover{gap:var(--space-2)}.mistakes__empty[data-astro-cid-2l6tog4a]{text-align:center;padding:var(--space-16) var(--space-4);color:var(--color-text-tertiary);font-size:var(--text-lg)}.mistakes__related[data-astro-cid-2l6tog4a]{margin-top:var(--space-12)}.mistakes__related-title[data-astro-cid-2l6tog4a]{font-size:var(--text-lg);font-weight:700;color:var(--color-text-primary);margin:0 0 var(--space-4)}.mistakes__related-grid[data-astro-cid-2l6tog4a]{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-4)}.mistakes__related-card[data-astro-cid-2l6tog4a]{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);text-decoration:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.mistakes__related-card[data-astro-cid-2l6tog4a]:hover{border-color:var(--color-primary);box-shadow:0 4px 12px #0000000f;transform:translateY(-2px)}.mistakes__related-icon[data-astro-cid-2l6tog4a]{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:color-mix(in srgb,var(--color-primary) 8%,var(--color-bg-primary));border-radius:var(--radius-md);color:var(--color-primary);flex-shrink:0}.mistakes__related-info[data-astro-cid-2l6tog4a]{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.mistakes__related-name[data-astro-cid-2l6tog4a]{font-size:var(--text-sm);font-weight:600;color:var(--color-text-primary)}.mistakes__related-desc[data-astro-cid-2l6tog4a]{font-size:var(--text-xs);color:var(--color-text-tertiary)}.mistakes__related-arrow[data-astro-cid-2l6tog4a]{color:var(--color-text-tertiary);flex-shrink:0;transition:transform var(--transition-fast)}.mistakes__related-card[data-astro-cid-2l6tog4a]:hover .mistakes__related-arrow[data-astro-cid-2l6tog4a]{transform:translate(4px);color:var(--color-primary)}@media(max-width:768px){.mistakes__stats-bar[data-astro-cid-2l6tog4a]{flex-wrap:wrap;gap:var(--space-4);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);justify-content:center}.mistakes__stat-divider[data-astro-cid-2l6tog4a]{display:none}.mistakes__controls[data-astro-cid-2l6tog4a]{flex-direction:column;align-items:stretch}.mistakes__actions[data-astro-cid-2l6tog4a]{width:100%}.mistakes__action-btn[data-astro-cid-2l6tog4a]{flex:1;justify-content:center}.mistake-card[data-astro-cid-2l6tog4a]{padding:var(--space-4)}.mistake-card__meta[data-astro-cid-2l6tog4a]{gap:var(--space-1)}}@media(max-width:480px){.mistakes__title[data-astro-cid-2l6tog4a]{font-size:var(--text-2xl)}.mistakes__related-grid[data-astro-cid-2l6tog4a]{grid-template-columns:1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}