.reports-layout{display:grid;grid-template-columns:minmax(190px,240px) minmax(0,1fr);gap:1rem;align-items:start}.reports-menu{display:grid;padding:.55rem;gap:.25rem;position:sticky;top:1rem}.reports-menu button{display:flex;justify-content:space-between;align-items:center;text-align:left;border-color:transparent;background:transparent}.reports-menu button.active{background:var(--accent-soft);border-color:#b9d0f1;color:#234f91}.reports-menu button:disabled{opacity:.62;background:#f8fafc}.reports-menu small{font-size:.68rem;color:var(--muted)}.reports-main{display:grid;gap:1rem;min-width:0}.report-filters{display:grid;grid-template-columns:minmax(180px,.75fr) minmax(220px,1fr) auto;gap:.8rem;align-items:end;padding:1rem 1.15rem}.report-status{border:1px solid var(--border);border-radius:9px;background:#fff;padding:.8rem 1rem;color:var(--muted)}.report-status:empty{display:none}.report-status.error{border-color:#f0b8b3;background:var(--danger-soft);color:var(--danger)}.report-matrices{display:grid;gap:1rem}.report-matrix .card-header{align-items:center}.report-assignment-meta{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.35rem}.report-table-wrap{max-width:100%;overflow:auto}.report-matrix-table{min-width:max-content}.report-matrix-table th,.report-matrix-table td{text-align:center;vertical-align:middle}.report-matrix-table .report-student{position:sticky;left:0;z-index:2;min-width:210px;max-width:270px;text-align:left;background:#fff;box-shadow:1px 0 #edf1f6}.report-matrix-table thead .report-student{z-index:3;background:#fbfdff}.report-matrix-table tbody tr:hover .report-student{background:#fbfdff}.report-cell{min-width:72px}.report-cell-content{display:inline-flex;align-items:center;justify-content:center;gap:.3rem}.report-cell-review{color:var(--danger);font-size:.72rem;font-weight:900;line-height:1}.report-cell-review:focus-visible{outline:2px solid currentColor;outline-offset:2px;border-radius:2px}.report-cell-complete{color:var(--ok);font-weight:850}.report-cell-attempted{color:#9a6700;font-weight:800}.report-cell-empty{color:var(--muted)}.report-student-status{display:block;color:var(--muted);font-size:.72rem;margin-top:.1rem}.report-summary{white-space:nowrap;font-weight:750}.report-empty{padding:1.2rem;color:var(--muted)}
@media(max-width:900px){.reports-layout{grid-template-columns:1fr}.reports-menu{position:static;display:flex;overflow:auto}.reports-menu button{flex:0 0 auto}.report-filters{grid-template-columns:1fr 1fr}.report-filters>button{grid-column:1/-1}}
@media(max-width:560px){.report-filters{grid-template-columns:1fr}.report-filters>button{grid-column:auto}.report-matrix-table .report-student{min-width:170px;max-width:190px}}
.activity-report-filters{grid-template-columns:minmax(150px,.6fr) minmax(240px,1fr) minmax(180px,.8fr) minmax(180px,.8fr) auto}.activity-custom-range{display:grid;grid-template-columns:repeat(2,minmax(110px,1fr));gap:.6rem}.activity-custom-range.hidden{display:none}.report-guidance{display:flex;flex-wrap:wrap;gap:.45rem .9rem;padding:0 1.15rem 1rem;color:var(--muted);font-size:.78rem}.report-guidance span{display:inline-flex;align-items:flex-start;gap:.35rem}.report-guidance span::before{content:"\2022";color:var(--accent);font-weight:900}.student-activity-table{min-width:1180px}.student-activity-table th small{display:block;margin-top:.2rem;color:var(--muted);font-size:.66rem;font-weight:600;white-space:normal}
@media(max-width:1500px) and (min-width:901px){#report-panel-student-activity .activity-report-filters{grid-template-columns:1fr 1fr}#report-panel-student-activity .activity-report-filters>button{grid-column:1/-1}}
@media(max-width:900px){.activity-report-filters{grid-template-columns:1fr 1fr}.activity-report-filters>button{grid-column:1/-1}}
@media(max-width:560px){.activity-report-filters{grid-template-columns:1fr}.activity-report-filters>button{grid-column:auto}.activity-custom-range{grid-template-columns:1fr}}
.error-report-filters{grid-template-columns:repeat(3,minmax(145px,1fr));}.error-report-filters>button{align-self:end}.error-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.error-summary-card{display:grid;gap:.35rem;padding:1rem 1.15rem}.error-summary-card span{color:var(--muted);font-size:.78rem}.error-summary-card strong{font-size:1.45rem}.error-coverage-card .card-body{display:grid;grid-template-columns:auto auto;gap:.35rem 1rem;align-items:center}.error-coverage-card h3{margin:0}.error-coverage-card strong{font-size:1.1rem}.error-coverage-card p{grid-column:1/-1;margin:.15rem 0;color:var(--muted);font-size:.82rem}.error-analysis-table,.error-question-table{min-width:1050px}
@media(max-width:900px){.error-report-filters{grid-template-columns:1fr 1fr}.error-report-filters>button{grid-column:1/-1}.error-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.error-report-filters,.error-summary-grid{grid-template-columns:1fr}.error-report-filters>button{grid-column:auto}.error-coverage-card .card-body{grid-template-columns:1fr}}
.qa-summary-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.activity-subviews{display:flex;gap:.5rem;flex-wrap:wrap}.activity-subviews button[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);font-weight:800;text-decoration:underline;text-underline-offset:.25em}
.activity-provenance-coverage:empty{display:none}.activity-provenance-coverage{padding:1rem 1.15rem}.activity-coverage-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:.8rem}.activity-coverage-heading h3{margin:0}.activity-coverage-heading p{margin:0;max-width:46rem;color:var(--muted);font-size:.78rem}.activity-coverage-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}.activity-coverage-metric{display:grid;gap:.2rem;padding:.7rem;border:1px solid var(--border);border-radius:8px;background:#fbfdff}.activity-coverage-metric span{color:var(--muted);font-size:.74rem}.activity-coverage-metric strong{font-size:1.05rem}.activity-coverage-message{margin:0;color:var(--muted)}.activity-coverage-message.error{color:var(--danger)}
@media(max-width:900px){.activity-coverage-heading{display:grid}.activity-coverage-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.activity-coverage-metrics{grid-template-columns:1fr}}
#activity-type-field[hidden],#activity-detail-pagination[hidden],#report-panel-student-activity .report-guidance[hidden]{display:none}
.activity-detail-wrap{min-width:0;max-width:100%;overflow:auto}.activity-detail-table{min-width:max-content}.activity-detail-table th{max-width:15rem;white-space:normal}.activity-detail-table td{vertical-align:top;text-align:left}.activity-detail-text{min-width:6rem;max-width:18rem;white-space:pre-wrap;overflow-wrap:anywhere}.activity-detail-long{width:18rem;max-height:12rem;overflow:auto}.activity-detail-sql{font-family:ui-monospace,Consolas,monospace}.activity-detail-table .report-student{min-width:10rem;max-width:12rem}.activity-detail-table .report-student .activity-detail-text{width:10rem;min-width:0}.activity-detail-table td:nth-child(6) .activity-detail-text{min-width:14rem}.activity-detail-table th:focus-visible,.activity-detail-long:focus-visible,.activity-detail-wrap:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.question-analysis-table .qa-question{position:sticky;left:0;background:var(--card,#fff);z-index:1;max-width:24rem;white-space:normal;min-width:12rem}
.question-analysis-table thead .qa-question{z-index:2}
.qa-sort{border:0;background:transparent;padding:.25rem;color:inherit;text-align:left}
.question-analysis-table th[aria-sort="ascending"] .qa-sort::after{content:" ↑"}
.question-analysis-table th[aria-sort="descending"] .qa-sort::after{content:" ↓"}
.form-analysis-table th{white-space:nowrap}.form-analysis-table .table-sort{border:0;background:transparent;color:inherit;font:inherit;font-weight:inherit;padding:0;cursor:pointer}.form-analysis-table th[aria-sort="ascending"] .table-sort::after{content:" ↑"}.form-analysis-table th[aria-sort="descending"] .table-sort::after{content:" ↓"}
.coach-table { min-width: 36rem; }
.research-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.research-filters label{display:grid;gap:.3rem;min-width:0}.research-filters input,.research-filters select{min-width:0;width:100%;box-sizing:border-box}.research-filters small{white-space:normal}@media(max-width:640px){.research-filters{grid-template-columns:minmax(0,1fr)}}
#coach-custom-range { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
#coach-custom-range.hidden { display: none; }
#coach-results > .report-matrix { margin-top: 1rem; }
#report-panel-sql-coach-analysis, #coach-results { min-width: 0; }
@media (max-width: 640px) {
  #report-panel-sql-coach-analysis .report-filters { display: flex; flex-direction: column; align-items: stretch; }
  #coach-custom-range input { min-width: 0; max-width: 100%; }
}
#ai-usage-results{min-width:0;display:grid;gap:1rem}
#ai-usage-results .report-matrix>h3{padding:0 1rem}
#ai-usage-results .report-table-wrap{max-width:100%;overflow-x:auto}
#ai-usage-results .report-guidance{overflow-wrap:anywhere}
.overview-results{display:grid;gap:1rem;min-width:0}.overview-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem}.overview-card{display:grid;gap:.3rem;padding:1rem 1.15rem}.overview-card span{color:var(--muted);font-size:.78rem}.overview-card strong{font-size:1.45rem}.overview-card small{color:var(--muted)}.overview-attention{display:grid;gap:1rem}.overview-attention>h2{margin:.25rem 0 0}.overview-zero-summary{padding:1rem 1.15rem}.overview-zero-summary strong{font-size:1.35rem}.overview-section .card-header{align-items:center}.overview-section .report-table-wrap{max-width:100%;overflow-x:auto}.overview-table{min-width:42rem}.overview-compact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.overview-compact{padding:1rem 1.15rem}.overview-compact .card-header{padding:0 0 .6rem}.overview-compact p{display:flex;justify-content:space-between;gap:1rem;margin:.45rem 0}.overview-compact>small{display:block;margin-top:.7rem;color:var(--muted)}
@media(max-width:1000px){.overview-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.overview-card-grid,.overview-compact-grid{grid-template-columns:1fr}.overview-table{min-width:36rem}}
.report-filter-card{overflow:visible}.report-export{position:relative;align-self:end}.report-export-button{white-space:nowrap}.report-export-menu{position:absolute;right:0;top:calc(100% + .3rem);z-index:12;display:grid;min-width:10rem;padding:.3rem;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.14)}.report-export-menu[hidden]{display:none}.report-export-menu button{border:0;background:transparent;text-align:left;padding:.55rem .65rem}.report-export-menu button:hover,.report-export-menu button:focus{background:var(--accent-soft)}
@media(max-width:560px){.report-export{width:100%}.report-export-button{width:100%}.report-export-menu{width:100%}}