.subregion-study-tools{padding:10px 14px;background:#132c3d;border-bottom:1px solid #385266}
.subregion-study-tools[hidden],.subregion-study-tools [hidden]{display:none}
.study-controls,.study-options{display:flex;align-items:center;gap:8px 14px;flex-wrap:wrap}
.study-controls strong{font-size:.9rem;color:#7de4d5;margin-right:auto}
.study-controls button,.study-controls select{font-size:.78rem;padding:7px 9px}
.study-controls label,.study-options label{display:inline-flex;align-items:center;gap:6px;font-size:.8rem}
.study-options{margin-top:8px}
.subregion-study-tools p{font-size:.83rem;line-height:1.5;margin:9px 0 0;max-width:100ch}
.subregion-study-active .reading-anatomy-bar{padding:7px 14px}
.subregion-study-active .reading-anatomy-bar>p:not([data-reading-status]):not([data-reading-scope]){display:none}
@media(min-width:1400px){.brain-layout .workspace.subregion-study-active #viewport{height:clamp(340px,calc(100dvh - 530px),820px)}}
@media(max-width:600px){.study-controls strong{width:100%}.subregion-study-tools{padding:10px}.subregion-study-tools p{font-size:.8rem}.study-options{gap:7px}}