.msg-main{min-width:0}.msg-note{color:var(--ink-3);margin:0;font-size:12.5px}.msg-actions{opacity:0;gap:2px;margin-top:6px;transition:opacity .12s;display:flex}.msg:hover .msg-actions,.msg[data-latest] .msg-actions,.msg-actions:focus-within{opacity:1}.thread-earlier{color:var(--ink-3);align-self:center;font-size:12px}.send-stop{background:var(--ink)}.ctx-chip-error{border-color:var(--danger-line);background:var(--danger-bg);color:var(--danger-ink)}.composer-menu-note{color:var(--ink-3);padding:8px 10px;font-size:12.5px}.chat-hero{flex-direction:column;gap:14px;width:min(680px,100%);margin:12vh auto 0;display:flex}.chat-hero-title{letter-spacing:-.02em;margin:0;font-size:24px;font-weight:600}.chat-hero-sub{color:var(--ink-2);margin:0;font-size:14px}@media (prefers-reduced-motion:reduce){.msg-actions{transition:none}}