.strata-help-chat .conversation-thread:empty{display:none}
.strata-help-chat .conversation-thread{display:grid;gap:16px;margin-bottom:20px;max-height:58vh;overflow:auto;overscroll-behavior:contain}
.strata-help-chat .chat-message{padding:14px 18px;border-radius:12px;max-width:90%;overflow-wrap:anywhere}
.strata-help-chat .chat-message.user{justify-self:end;background:#edf3f6;color:#153847}
.strata-help-chat .chat-message.assistant{justify-self:start;background:#fff;color:#153847}
.strata-help-chat .chat-message p{white-space:pre-wrap;margin:6px 0 0;line-height:1.55}
.strata-help-chat #source{font-size:16px;max-height:30vh}
.strata-help-chat #chat-status:empty{display:none}
.strata-help-chat #review-files{margin:12px 0}
@media(max-width:600px){.strata-help-chat .chat-message{max-width:100%;padding:12px}.strata-help-chat .conversation-thread{max-height:50vh}.strata-help-chat .composer-bottom{gap:12px;flex-wrap:wrap}.strata-help-chat #send-chat{min-height:44px;min-width:80px}}

/* Exact accepted primary control geometry, rebound to Send. */
body[data-blk-strata] .strata-help-chat #send-chat{margin:0 0 0 auto;flex:none;min-height:46px;padding:10px 18px;border:2px solid #ffc493;border-radius:13px;background:#f6892b;color:#102638;font-size:16px;font-weight:700;line-height:1.35}
body[data-blk-strata] .strata-help-chat #send-chat:hover{background:#ffac5d}
body[data-blk-strata] .strata-help-chat #send-chat:disabled{opacity:.55;cursor:not-allowed}
.strata-help-chat .button.outlined{font:inherit;border:1px solid #193f57;background:transparent;color:#193f57;border-radius:13px;padding:10px 16px;min-height:44px;cursor:pointer}
.strata-help-chat button:disabled{opacity:.55;cursor:not-allowed}
.strata-help-chat [hidden]{display:none!important}
@media(max-width:700px){body[data-blk-strata] .strata-help-chat #send-chat{font-size:14px;padding:10px 12px}}

/* R4: compact entry, with general explanation retained in the collapsed footer. */
body[data-blk-strata] .strata-help-chat .composer-disclosure{display:block;text-align:right;color:#53677b;font-size:12px;line-height:1.4;margin-top:7px}
body[data-blk-strata] .strata-help-chat .chat-human-link{display:inline-flex;align-items:center;min-height:30px;margin:10px 0 0;padding:2px 0;font-size:14px;font-weight:400;text-decoration:none;color:#126c87;border:0;background:none}
body[data-blk-strata] .strata-help-chat .chat-human-link:hover{text-decoration:underline}
body[data-blk-strata] .strata-help-chat #chat-status{font-size:13px;line-height:1.45;margin:10px 0 0}
body[data-blk-strata] .strata-help-chat .chat-recovery{margin:6px 0 0}
body[data-blk-strata] #source-status:empty{display:none}