.chat-jump-layout{display:flex;flex:1;min-height:0;min-width:0;overflow:hidden;}
.chat-jump-layout>.sa-transcript{flex:1;min-width:0;}
.chat-jump-rail{display:flex;flex-direction:column;align-items:center;justify-content:safe center;gap:2px;flex:0 0 22px;overflow-y:auto;padding:8px 0;scrollbar-width:none;}
.chat-jump-rail[hidden]{display:none;}
.chat-jump-tick{width:22px;min-height:6px;max-height:24px;flex:1 0 6px;padding:2px 4px;border:0;background:none;border-radius:4px;cursor:pointer;}
.chat-jump-tick span{display:block;width:9px;height:2px;border-radius:2px;background:var(--text-secondary);opacity:.4;transition:width .12s,opacity .12s;}
.chat-jump-tick:hover span,.chat-jump-tick:focus-visible span,.chat-jump-tick[aria-current] span{width:14px;opacity:1;background:var(--accent-text,var(--accent-deep));}
.chat-jump-tick:focus-visible{outline:2px solid var(--accent-text,var(--accent-deep));outline-offset:-2px;}
.sa-row[tabindex="-1"]:focus{outline:2px solid var(--accent-text,var(--accent-deep));outline-offset:3px;border-radius:9px;}
@media(max-width:900px){.chat-jump-rail{flex-basis:28px;}.chat-jump-tick{width:28px;min-height:24px;flex-shrink:0;}}
@media(prefers-reduced-motion:reduce){.chat-jump-tick span{transition:none;}}