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.hp-stat-lbl,.hp-stat-card[data-stat=completed] .hp-stat-dim{color:#fff}.hp-stat-card[data-stat=mastered]{background:#7e57c2;color:#fff;border:none;box-shadow:var(--shadow-sm)}.hp-stat-card[data-stat=mastered] .hp-stat-val,.hp-stat-card[data-stat=mastered] .hp-stat-lbl,.hp-stat-card[data-stat=mastered] .hp-stat-dim{color:#fff}.hp-stat-card[data-stat=studying]{background:#2196f3;color:#fff;border:none;box-shadow:var(--shadow-sm)}.hp-stat-card[data-stat=studying] .hp-stat-val,.hp-stat-card[data-stat=studying] .hp-stat-lbl,.hp-stat-card[data-stat=studying] .hp-stat-dim{color:#fff}.hp-stat-card[data-stat=streak]{background:#ffa726;color:#fff;border:none;box-shadow:var(--shadow-sm)}.hp-stat-card[data-stat=streak] .hp-stat-val,.hp-stat-card[data-stat=streak] .hp-stat-lbl,.hp-stat-card[data-stat=streak] 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.15s}.hp-link-btn:hover{color:var(--text-primary)}.hp-donut-card{display:flex;align-items:center;gap:24px;background:var(--bg-elevated);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-xs);border:1px solid var(--border-color)}.hp-donut-card-title{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}.hp-donut-chart-wrap{position:relative;width:120px;height:120px;flex-shrink:0}.hp-donut-svg{width:100%;height:100%}.hp-donut-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.hp-donut-center-num{font-size:22px;font-weight:800;color:var(--text-primary);line-height:1}.hp-donut-center-lbl{font-size:10px;color:var(--text-muted);margin-top:2px}.hp-donut-legend{display:flex;flex-direction:column;gap:10px;flex:1;min-width:0}.hp-donut-legend-item{display:flex;align-items:center;gap:10px}.hp-donut-legend-dot{width:10px;height:10px;border-radius:3px;flex-shrink:0}.hp-donut-legend-name{font-size:13px;font-weight:500;color:var(--text-secondary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hp-donut-legend-count{font-size:14px;font-weight:700;color:var(--text-primary);font-variant-numeric:tabular-nums}.hp-donut-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px;color:var(--text-muted);font-size:13px;text-align:center}.hp-empty-btn{border:none;background:var(--brand-primary-bg);color:var(--brand-primary);font-size:12px;font-weight:600;padding:6px 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16px;max-height:340px;overflow-y:auto}.hp-board-card{display:flex;flex-direction:column;gap:8px;padding:14px 16px;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-elevated);cursor:pointer;width:100%;text-align:left;transition:border-color .15s,box-shadow .15s}.hp-board-card:hover{border-color:var(--brand-primary-light);box-shadow:var(--shadow-sm)}.hp-board-card-tags{display:flex;align-items:center;gap:6px}.hp-board-card-arrow{margin-left:auto;color:var(--text-muted);opacity:0;transition:opacity .15s}.hp-board-card:hover .hp-board-card-arrow{opacity:1}.hp-board-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:3px 8px;border-radius:6px;white-space:nowrap}.hp-board-badge--study{color:var(--brand-primary);background:var(--brand-primary-bg)}.hp-board-badge--review{color:var(--brand-warning);background:var(--brand-warning-bg)}.hp-board-badge--subj{color:var(--text-secondary);background:var(--bg-secondary)}.hp-board-card-title{font-size:14px;font-weight:600;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media(max-width:700px){.hp-stats{grid-template-columns:repeat(2,1fr)}.hp-body{grid-template-columns:1fr}}.cb-shell{display:flex;flex-direction:column;height:100%}.cb-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}.cb-toolbar-title{font-size:18px;font-weight:700;color:var(--text-primary);margin:0;flex:1}.cb-toolbar-search{width:220px}.cb-stats-bar{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap}.cb-board{flex:1;overflow-x:auto;overflow-y:auto;padding-bottom:16px}.cb-board-inner{display:flex;gap:12px;align-items:flex-start;min-width:max-content}.cb-column{width:240px;min-width:240px;background:var(--bg-elevated);border:1px 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var(--border-color)}.st-section-icon{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}.st-section-icon[data-color=brand]{background:var(--brand-primary-bg);color:var(--brand-primary)}.st-section-icon[data-color=warning]{background:var(--brand-warning-bg);color:var(--brand-warning)}.st-section-icon[data-color=success]{background:var(--brand-success-bg);color:var(--brand-success)}.st-section-icon[data-color=danger]{background:var(--brand-danger-bg);color:var(--brand-danger)}.st-section-title{font-size:14px;font-weight:700;color:var(--text-primary);margin:0}.st-section-body{padding:16px 18px}.st-label{font-size:13px;font-weight:600;color:var(--text-primary)}.st-hint{font-size:12px;color:var(--text-secondary);line-height:1.5}.st-divider{height:1px;background:var(--border-color);margin:14px 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