.stats{max-width:720px;margin:0 auto}.stats__view-toggle{background:var(--color-surface-alt);border:1.5px solid var(--color-border);width:fit-content;box-shadow:var(--shadow-card);border-radius:999px;gap:6px;margin-bottom:1.5rem;padding:4px;display:flex}.stats__view-btn{font-family:var(--font-body);color:var(--color-text-secondary);cursor:pointer;background-color:#0000;border:none;border-radius:999px;padding:7px 18px;font-size:.82rem;font-weight:700;transition:background-color .15s,color .15s}.stats__view-btn--active{background-color:var(--color-accent-strong);color:#fff}.stats__view-btn:hover:not(.stats__view-btn--active){background-color:var(--color-accent)}.stats__summary-row{flex-wrap:wrap;gap:10px;margin-bottom:1.5rem;display:flex}.stats__summary-card{background:var(--color-surface-alt);border:1.5px solid var(--color-border);text-align:center;box-shadow:var(--shadow-card);border-radius:14px;flex:100px;padding:14px 12px}.stats__summary-value{font-family:var(--font-heading);color:var(--color-accent-strong);font-size:1.6rem;font-weight:800;line-height:1;display:block}.stats__summary-label{font-family:var(--font-body);color:var(--color-text-secondary);margin-top:4px;font-size:.7rem;font-weight:700;display:block}.stats__section{margin-bottom:2rem}.stats__section-title{font-family:var(--font-heading);color:var(--color-text);margin-bottom:.75rem;font-size:1.05rem;font-weight:700}.stats__bar-chart{align-items:flex-end;gap:6px;height:120px;padding:0 4px;display:flex}.stats__bar-col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;height:100%;display:flex}.stats__bar{background:linear-gradient(180deg, var(--color-primary), var(--color-accent-strong));opacity:.85;border-radius:6px 6px 2px 2px;width:100%;min-height:4px;transition:height .4s}.stats__bar--today{opacity:1}.stats__bar--past{opacity:.45}.stats__bar-label{font-family:var(--font-body);color:var(--color-text-secondary);white-space:nowrap;font-size:.68rem;font-weight:700}.stats__subject-list{flex-direction:column;gap:10px;display:flex}.stats__subject-row{align-items:center;gap:10px;display:flex}.stats__subject-name{font-family:var(--font-body);color:var(--color-text);min-width:80px;font-size:.88rem;font-weight:700}.stats__subject-bar-bg{background:var(--color-accent);border-radius:999px;flex:1;height:8px;overflow:hidden}.stats__subject-bar-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-accent-strong));border-radius:999px;height:100%;transition:width .4s}.stats__subject-hrs{font-family:var(--font-body);color:var(--color-text-secondary);text-align:right;min-width:40px;font-size:.78rem;font-weight:700}.stats-chart__empty{font-family:var(--font-body);color:var(--color-text-secondary);text-align:center;padding:1.5rem 0;font-size:.85rem;font-weight:600}.stats-chart__pie-wrap{background:var(--color-surface-alt);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:16px;flex-wrap:wrap;align-items:center;gap:20px;padding:1rem 1.1rem;display:flex}.stats-chart__pie{flex-shrink:0}.stats-chart__pie-legend{flex-direction:column;flex:1;gap:6px;min-width:140px;display:flex}.stats-chart__legend-row{align-items:center;gap:8px;display:flex}.stats-chart__legend-swatch{border-radius:3px;flex-shrink:0;width:10px;height:10px}.stats-chart__legend-name{font-family:var(--font-body);color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:.82rem;font-weight:700;overflow:hidden}.stats-chart__legend-pct{font-family:var(--font-body);color:var(--color-text-secondary);font-size:.78rem;font-weight:700}.stats-chart__grid-wrap{background:var(--color-surface-alt);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:16px;padding:1rem 1.1rem;overflow-x:auto}.stats-chart__grid{align-items:center;gap:4px;min-width:340px;display:grid}.stats-chart__grid-corner{min-width:70px}.stats-chart__grid-day-label{font-family:var(--font-body);color:var(--color-text-secondary);text-align:center;font-size:.68rem;font-weight:700}.stats-chart__grid-subject-label{font-family:var(--font-body);color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;max-width:90px;padding-right:6px;font-size:.78rem;font-weight:700;overflow:hidden}.stats-chart__grid-cell{aspect-ratio:1;background:var(--color-surface);border:1px solid var(--color-border);border-radius:5px;min-width:22px;position:relative}.stats-chart__grid-cell-fill{background:var(--color-accent-strong);border-radius:4px;position:absolute;inset:0}.stats-chart__trend-wrap{background:var(--color-surface-alt);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:16px;padding:1rem 1.1rem .5rem}.stats-chart__trend{display:block}.stats-chart__trend-labels{font-family:var(--font-body);color:var(--color-text-secondary);justify-content:space-between;padding:0 4px 8px;font-size:.68rem;font-weight:700;display:flex}.stats-chart__heatmap-wrap{background:var(--color-surface-alt);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:16px;padding:1rem 1.1rem;overflow-x:auto}.stats-chart__heatmap{gap:3px;min-width:260px;display:grid}.stats-chart__heatmap-col{flex-direction:column;gap:3px;display:flex}.stats-chart__heatmap-cell{aspect-ratio:1;background:var(--color-surface);border:1px solid var(--color-border);border-radius:3px;min-width:14px;position:relative}.stats-chart__heatmap-cell-fill{background:var(--color-streak);border-radius:2px;position:absolute;inset:0}.stats__streak-card{background:var(--color-surface-alt);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:16px;align-items:center;gap:1rem;padding:1.25rem;display:flex}.stats__streak-number{font-family:var(--font-heading);color:var(--color-needs-revision);flex-shrink:0;font-size:2.4rem;font-weight:800;line-height:1}.stats__streak-label{font-family:var(--font-body);color:var(--color-text);font-size:.88rem;font-weight:700}.stats__streak-sub{color:var(--color-text-secondary);margin-top:2px;font-size:.75rem;font-weight:600;display:block}.stats__log-list{flex-direction:column;gap:8px;display:flex}.stats__log-row{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:12px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.stats__log-subject{font-family:var(--font-body);color:var(--color-text);font-size:.88rem;font-weight:700}.stats__log-meta{font-family:var(--font-body);color:var(--color-text-secondary);text-align:right;font-size:.75rem;font-weight:600}.stats__empty{text-align:center;font-family:var(--font-body);color:var(--color-text-secondary);padding:3rem 1rem;font-size:.9rem;font-weight:600}