.page{max-width:1200px;margin:0 auto;padding:48px 40px 80px}.page-head{justify-content:space-between;align-items:flex-end;margin-bottom:48px;display:flex}.page-head h1{letter-spacing:-.02em;font-family:Fraunces,Georgia,serif;font-size:48px;font-weight:500;line-height:1.1}.page-head .sub{color:var(--ink-soft);margin-top:8px;font-size:15px}.time-filter{border:1px solid var(--line);background:#fff;border-radius:100px;gap:4px;padding:4px;display:flex}.time-filter button{cursor:pointer;color:var(--ink-soft);background:0 0;border:none;border-radius:100px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s}.time-filter button.active{background:var(--ink);color:var(--bg)}.stats-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:40px;display:grid}.stat-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:24px}.stat-label{color:var(--ink-soft);margin-bottom:12px;font-size:13px}.stat-value{letter-spacing:-.02em;font-family:Fraunces,Georgia,serif;font-size:44px;font-weight:500;line-height:1}.stat-unit{color:var(--ink-soft);margin-left:4px;font-family:Inter,sans-serif;font-size:16px}.stat-trend{border-radius:6px;align-items:center;gap:4px;margin-top:10px;padding:3px 8px;font-size:12px;display:inline-flex}.stat-trend.up{color:var(--green);background:#2d6a4f1a}.stat-trend.down{color:var(--red);background:#c1121f1a}.main-grid{grid-template-columns:1.5fr 1fr;gap:24px;display:grid}.chart-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:32px}.chart-head{justify-content:space-between;align-items:flex-end;margin-bottom:28px;display:flex}.chart-head h2{font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:500}.legend{color:var(--ink-soft);gap:16px;font-size:12px;display:flex}.legend-dot{vertical-align:middle;border-radius:50%;width:8px;height:8px;margin-right:4px;display:inline-block}.chart-svg{width:100%;height:260px}.chart-grid line{stroke:var(--line);stroke-dasharray:2 4}.chart-axis text{fill:var(--ink-soft);font-family:JetBrains Mono,monospace;font-size:11px}.chart-line{fill:none;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.chart-area{opacity:.1}.chart-dot{stroke:#fff;stroke-width:2px}.activity-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:28px}.activity-card h2{margin-bottom:20px;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500}.activity-item{border-bottom:1px dashed var(--line);gap:14px;padding:14px 0;display:flex}.activity-item:last-child{border-bottom:none;padding-bottom:0}.activity-item:first-child{padding-top:0}.act-icon{background:var(--bg-soft);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}.act-content{flex:1;min-width:0}.act-title{margin-bottom:2px;font-size:14px;font-weight:500}.act-meta{color:var(--ink-soft);font-size:12px}.act-score{align-self:center;font-family:JetBrains Mono,monospace;font-size:13px;font-weight:500}.act-score.good{color:var(--green)}.act-score.warn{color:var(--accent)}.mastery-card{border:1px solid var(--line);background:#fff;border-radius:20px;margin-top:24px;padding:28px}.mastery-card h2{margin-bottom:6px;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500}.mastery-card .sub{color:var(--ink-soft);margin-bottom:24px;font-size:13px}.mastery-row{align-items:center;gap:14px;margin-bottom:14px;display:flex}.mastery-word-block{flex:0 0 160px;min-width:0}.mastery-word{font-family:Fraunces,Georgia,serif;font-size:15px;font-weight:500}.mastery-evidence{color:var(--ink-soft);margin-top:2px;font-size:11px;line-height:1.35}.mastery-bar{background:var(--bg-soft);border-radius:4px;flex:1;height:8px;overflow:hidden}.mastery-fill{background:var(--accent);border-radius:4px;height:100%}.mastery-pct{text-align:right;color:var(--ink-soft);flex:0 0 50px;font-family:JetBrains Mono,monospace;font-size:13px}.history-empty{text-align:center;min-height:120px;color:var(--ink-soft);background:var(--bg-paper);border:1px dashed var(--line);border-radius:14px;justify-content:center;align-items:center;padding:24px;font-size:13px;display:flex}@media (max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.main-grid{grid-template-columns:1fr}.page{padding:24px}.page-head{flex-direction:column;align-items:flex-start;gap:16px}.page-head h1{font-size:36px}.mastery-row{gap:10px}.mastery-word-block{flex-basis:130px}}