/* 6.2.2.1: parent-only visual refinement */
body[data-space=parent]{background:var(--canvas);font-size:14px}
body[data-space=parent] .p61-header{padding:12px max(20px,calc((100vw - 1080px)/2));gap:8px 18px;border-bottom:2px solid #d4a853}
body[data-space=parent] .p61-header h1{font-size:18px;margin:0;letter-spacing:2px}
body[data-space=parent] .p61-header p{font-size:11px}
body[data-space=parent] main{max-width:1120px;padding:20px 20px 36px}
body[data-space=parent] .sig-parent-title{padding:18px 22px;margin:0 0 14px;border-radius:14px;background:linear-gradient(110deg,#101c36,#253b60);box-shadow:0 5px 18px #101c3612}
body[data-space=parent] .sig-parent-title small{font-size:10px;letter-spacing:1.8px}
body[data-space=parent] .sig-parent-title h2{font-size:clamp(20px,3vw,26px);margin:5px 0}
body[data-space=parent] .sig-parent-title p{font-size:13px;line-height:1.5}
body[data-space=parent] #parentBox{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:14px;align-items:start}
body[data-space=parent] #up-overview,body[data-space=parent] #up-profiles{grid-column:1/-1}
body[data-space=parent] .up-section,body[data-space=parent] #authBox{padding:18px;border-radius:14px;box-shadow:0 3px 14px #101c3608}
body[data-space=parent] .up-section h2{font-size:17px;margin:0 0 12px;letter-spacing:0}
body[data-space=parent] .up-metrics{gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}
body[data-space=parent] .up-metric{display:grid;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--soft);border-top:2px solid #6558d3}
body[data-space=parent] .up-metric:last-child{border-top-color:#d4a853}
body[data-space=parent] .up-metric strong{font-size:25px;line-height:1.15;font-variant-numeric:tabular-nums}
body[data-space=parent] .up-metric span{font-size:12px;overflow-wrap:anywhere}
body[data-space=parent] #childrenList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
body[data-space=parent] .up-child{margin:0;padding:14px;border-radius:12px;display:flex;flex-direction:column;gap:8px}
body[data-space=parent] .up-child h3{display:flex;align-items:center;gap:10px;font-size:17px;margin:0}
body[data-space=parent] .up-avatar{display:inline-grid;place-items:center;width:38px;height:38px;flex:none;border-radius:12px;background:#6558d3;color:white;font-size:18px;font-weight:700}
body[data-space=parent] .up-summary,body[data-space=parent] .up-academic{font-size:12px;margin:0;line-height:1.6}
body[data-space=parent] .up-progress{height:6px;background:var(--soft);border-radius:99px;overflow:hidden}
body[data-space=parent] .up-progress i{display:block;height:100%;background:#6558d3;border-radius:99px}
body[data-space=parent] .up-child details,body[data-space=parent] .up-fold{margin:0;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--soft)}
body[data-space=parent] summary{cursor:pointer;font-weight:650;line-height:1.6;color:var(--text)}
body[data-space=parent] .up-fold[open]>summary{margin-bottom:12px}
body[data-space=parent] .up-actions{gap:6px;margin-top:2px}
body[data-space=parent] .up-actions button,body[data-space=parent] #up-profiles>button{font-size:12px;padding:8px 10px;min-height:36px}
body[data-space=parent] .sig-parent-block{margin:12px 0 0;padding:12px;border-radius:10px}
body[data-space=parent] .sig-parent-block h3{font-size:14px;margin:0 0 8px}
body[data-space=parent] .up-email{margin:0 0 10px;font-size:13px;overflow-wrap:anywhere}
body[data-space=parent] #cloudMsg{font-size:12px;margin:8px 0}
body[data-space=parent] #up-settings .panel h2{font-size:14px}
body[data-space=parent] #up-settings .panel{background:transparent}
body[data-space=parent] button:focus-visible,body[data-space=parent] summary:focus-visible{outline:3px solid #d4a853;outline-offset:3px}
@media(max-width:720px){body[data-space=parent] main{padding:12px 12px 28px}body[data-space=parent] #parentBox,body[data-space=parent] #childrenList{grid-template-columns:1fr}body[data-space=parent] .up-section{padding:14px}body[data-space=parent] .p61-header{padding:12px}body[data-space=parent] .up-metric{padding:10px 8px}body[data-space=parent] .up-metric strong{font-size:20px}body[data-space=parent] .up-metric span{font-size:11px}body[data-space=parent] .sig-parent-title{padding:16px}body[data-space=parent] .up-actions button{flex:1 1 100px}}
/* Final Premium: parent-only typography and real-data charts */
body[data-space=parent]{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.55}
body[data-space=parent] .up-section h2{font-size:19px;font-weight:750;line-height:1.35}
body[data-space=parent] .up-child{border-top:3px solid #6558d3;padding:18px;gap:12px;box-shadow:0 4px 16px #101c360a}
body[data-space=parent] .up-child h3{font-size:20px;font-weight:750;line-height:1.3}
body[data-space=parent] .up-avatar{width:46px;height:46px;font-size:22px;background:linear-gradient(135deg,#6558d3,#4835a5)}
body[data-space=parent] .up-summary{font-size:14px;color:var(--text);font-weight:600}
body[data-space=parent] .up-academic{font-size:13px}
body[data-space=parent] .up-actions{order:5;border-top:1px solid var(--line);padding-top:10px}
body[data-space=parent] .up-analytics{font-size:13px;min-width:0}
.up-chart-head,.up-topic-label{display:flex;justify-content:space-between;gap:8px;align-items:center;font-variant-numeric:tabular-nums}
.up-chart-head{margin:12px 0 8px}.up-split{display:flex;height:12px;border-radius:8px;overflow:hidden;background:var(--line)}.up-good{background:#25866b}.up-bad{background:#d97745}.up-legend,.up-empty{font-size:12px;color:var(--sub);margin:8px 0}.up-analytics h4{font-size:13px;margin:16px 0 8px}.up-topic{margin:9px 0}.up-topic-label{margin-bottom:4px}.up-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;align-items:end}.up-day{display:grid;gap:4px;text-align:center;font-size:10px;min-width:0}.up-day-track{height:76px;background:var(--line);border-radius:5px;display:flex;align-items:flex-end;overflow:hidden}.up-day-track i{display:block;width:100%;background:#6558d3;border-radius:5px}.up-history p{font-size:12px;margin:5px 0}.up-levels{margin-top:10px}
@media(max-width:720px){body[data-space=parent] .up-child{padding:14px}body[data-space=parent] .up-child h3{font-size:18px}}