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button.active{color:var(--text);border-bottom-color:var(--accent)}.stats-table-wrap{overflow-x:auto}.stats-table{width:100%;border-collapse:collapse;font-size:.8rem}.stats-table th{text-align:left;font-weight:400;color:var(--text-faint);padding:.4rem .6rem;border-bottom:1px solid var(--border);font-size:.7rem;text-transform:lowercase}.stats-table td{padding:.4rem .6rem;border-bottom:1px solid var(--border);color:var(--text-muted)}.stats-td-label{font-weight:500;color:var(--text)}.stats-td-weak{color:var(--incorrect);font-weight:500}.stats-bar{width:80px;height:6px;background:var(--bg);border-radius:3px;overflow:hidden}.stats-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}.stats-activity h3{font-size:.85rem;font-weight:400;color:var(--text-muted);margin-bottom:.75rem}.stats-activity-grid{display:flex;flex-direction:column;gap:.4rem}.stats-activity-day{display:flex;align-items:center;justify-content:space-between;padding:.4rem .6rem;background:var(--bg-card);border:1px solid var(--border);border-radius:4px}.stats-activity-date{font-size:.75rem;color:var(--text-muted)}.stats-activity-count{font-size:.75rem;color:var(--text-faint)}.stats-empty{font-size:.85rem;color:var(--text-faint);text-align:center;padding:2rem 0}.stats-content{min-height:200px}@media (max-width: 1000px){.ad-sidebar{display:none}}