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32px);max-height:min(760px,100dvh - 40px);color:var(--web-text);border-radius:12px;padding:0;box-shadow:0 18px 70px #0003}.brain-scope-dialog::backdrop{background:#0b142d66}.brain-scope-dialog form{padding:28px}.brain-scope-dialog header h2{font-size:21px;font-weight:650;line-height:1.45}.brain-scope-dialog header p{color:var(--web-muted);overflow-wrap:anywhere;margin-top:7px;font-size:13px;line-height:1.65}.brain-scope-dialog fieldset{border:0;min-width:0;margin:24px 0 18px;padding:0}.brain-scope-dialog legend{margin-bottom:10px;font-size:13px;font-weight:600}.brain-scope-option{border-top:1px solid var(--web-border);cursor:pointer;align-items:center;gap:13px;padding:15px 0;display:flex}.brain-scope-option input{width:18px;height:18px;accent-color:var(--web-primary);flex-shrink:0;margin:0}.brain-scope-option>span:has(strong){flex:1;min-width:0}.brain-scope-option strong{font-size:13px;font-weight:600;display:block}.brain-scope-option small{color:var(--web-muted);margin-top:3px;font-size:12px;line-height:1.6;display:block}.brain-scope-count,.brain-scope-included{color:var(--web-muted);flex-shrink:0;font-size:12px}.brain-scope-note{color:var(--web-muted);background:var(--web-surface-muted);border-radius:7px;padding:16px;font-size:12px;line-height:1.85}.brain-scope-note p+p{margin-top:8px}.brain-scope-dialog footer{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:24px;display:flex}.brain-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.brain-toolbar{flex-wrap:wrap;gap:8px;padding:16px}.brain-search{max-width:none}.brain-result-count{width:100%;margin-left:0}.brain-course-list>li{padding:20px 16px}.brain-course-main{flex-direction:column;align-items:flex-start;gap:13px}.brain-course-switch{justify-content:space-between;width:100%}.brain-course-heading h2{font-size:15px}.brain-course-counts{gap:9px 20px}.brain-toggle-heading{gap:14px}.brain-scope-dialog form{padding:22px 20px}.brain-scope-option{flex-wrap:wrap;gap:4px 10px}.brain-scope-count{width:100%;padding-left:28px}}@media (prefers-reduced-motion:reduce){.brain-switch,.brain-switch>span{transition:none}}