/* School/class aggregates live only in the existing admin usage screen. */
#usageView .usage-school-total{font-size:27px;font-variant-numeric:tabular-nums}
#usageView .usage-school{border:1px solid var(--line);border-radius:16px;background:var(--surface);margin-top:12px;overflow:hidden}
#usageView .usage-school>summary{list-style:none;display:grid;grid-template-columns:minmax(0,1fr) auto 18px;align-items:center;gap:12px;padding:15px;min-height:72px;cursor:pointer}
#usageView .usage-school>summary::-webkit-details-marker{display:none}
#usageView .usage-school-name{font-size:16px;font-weight:700;overflow-wrap:anywhere}
#usageView .usage-school-name small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}
#usageView .usage-school-count{text-align:center;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
#usageView .usage-school-count small{display:block;color:var(--muted);font-size:11px;font-weight:400}
#usageView .usage-school-chevron{width:8px;height:8px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);justify-self:center;margin-bottom:4px}
#usageView .usage-school[open] .usage-school-chevron{transform:rotate(225deg);margin-top:5px}
#usageView .usage-school-classes{margin:0 15px;padding:14px 0 18px;border-top:1px solid var(--line)}
#usageView .usage-school-grades{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:15px;background:var(--bg);padding:4px;border-radius:11px}
#usageView .usage-school-grades button{flex:1 1 60px;min-width:0;min-height:49px;border:0;border-radius:8px;background:transparent;color:var(--muted);font:inherit;font-size:14px;padding:4px}
#usageView .usage-school-grades button[aria-pressed=true]{background:var(--surface);box-shadow:0 1px 4px #14223a14;color:var(--blue);font-weight:700}
#usageView .usage-school-grades small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}
#usageView .usage-school-grade-label{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--muted)}
#usageView .usage-class-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}
#usageView .usage-class-tile{min-height:68px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;border-radius:10px;background:var(--blue-soft);background:color-mix(in srgb,var(--blue) var(--class-density),var(--surface));font-size:12px;color:var(--ink);padding:4px;text-align:center;overflow-wrap:anywhere}
#usageView .usage-class-tile strong{font-size:20px;font-variant-numeric:tabular-nums}
#usageView .usage-class-tile.is-empty{background:var(--bg);color:var(--muted)}
#usageView .usage-school-legend{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin-top:13px}
#usageView .usage-school-unassigned{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;margin:19px 1px}