.reader-feedback-row{display:flex;align-items:center;margin-top:12px;padding:10px 0 0;border-top:1px solid var(--line)}
.reader-useful{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 10px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);font:inherit;font-size:12px;cursor:pointer;white-space:nowrap}
.reader-useful .lucide{width:16px;height:16px}
.reader-useful:hover,.reader-useful[aria-pressed="true"]{color:var(--accent);border-color:var(--accent);background:var(--soft)}
.reader-useful:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.reader-useful:disabled{opacity:.6;cursor:wait}
@media(max-width:600px){.reader-feedback-row{padding:9px 0 0}.m-detail-bar-right{gap:8px}.m-detail-bar-right .reader-useful{padding:5px 7px;font-size:11px}.reader-useful{min-height:40px}}