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.85rem;font-size:.8125rem;color:#2d252073}.stack-dropdown__row{display:flex;flex-direction:column;gap:2px;align-items:flex-start;width:100%;border:none;background:none;font-family:inherit;text-align:left;padding:.65rem .85rem;cursor:pointer;border-bottom:1px solid rgba(45,37,32,.06)}.stack-dropdown__row:last-of-type{border-bottom:none}.stack-dropdown__row:hover{background:var(--cream-warm, #fbfaf8)}.stack-dropdown__row--active .stack-dropdown__row-label{color:var(--rust-accent-deep, #9e624c)}.stack-dropdown__row-label{font-size:.8125rem;font-weight:600;color:var(--brown-title, #2d2520);line-height:1.3}.stack-dropdown__row-preview{font-size:.75rem;color:#2d252080;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.stack-dropdown__row-meta{font-size:.6875rem;color:#2d252066}.stack-dropdown__more{width:100%;border:none;border-top:1px solid rgba(45,37,32,.06);background:none;padding:.55rem .85rem;font-family:var(--font-ui, var(--font));font-size:.75rem;font-weight:500;color:var(--rust-accent, #b86b52);cursor:pointer;text-align:center}.stack-dropdown__more:hover{background:#b86b520f}.ip{position:relative}.ip__text{cursor:pointer;border-radius:3px;padding:2px 6px;margin-left:-6px;margin-right:-6px;transition:none}.ip__text:hover,.ip--menu-open .ip__text{background:var(--cream-deep, #f6f5f2)}.ip__text:focus-visible{outline:2px solid rgba(45,37,32,.35);outline-offset:2px}.ip__text--exiting{overflow:hidden;opacity:0;max-height:0;margin-top:0;padding-top:0;padding-bottom:0;transition:opacity .2s ease,max-height .22s ease,margin .22s ease,padding .22s ease}.ip--busy .ip__text{cursor:default}.ip__loading{display:inline-flex;align-items:center;gap:4px;padding:6px 0}.ip__loading-dot{width:5px;height:5px;border-radius:50%;background:var(--rust-accent, #b86b52);opacity:.55;animation:ip-loading-pulse 1s ease-in-out 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#b86b52)}.ip__versions-wrap{position:relative;margin:2px 0 4px}.ip__versions-wrap .stack-dropdown__menu{top:calc(100% + 4px)}.note-study{margin:28px 0 0;padding:24px 22px 22px;border-radius:18px;border:1px solid var(--sb-border, rgba(45, 37, 32, .11));background:var(--sb-panel, #ede7df)}.note-study--empty,.note-study--complete{text-align:center}.note-study.spot-stage--fill{min-height:min(380px,52vh);margin-top:28px;padding:2rem 1.5rem;border:none;background:transparent}.note-study--empty{padding:32px 24px}.note-study__empty-title{margin:0;font-size:16px;font-weight:700;color:var(--sb-text, var(--brown-title))}.note-study__empty-sub{margin:8px 0 0;font-size:14px;color:var(--sb-text-secondary, var(--ref-muted))}.note-study__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.note-study__kicker{margin:0;font-size:11px;font-weight:700;letter-spacing:.32em;text-transform:uppercase;color:var(--sb-accent, 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