/* chat: a customer asks, the assistant answers word by word with the sources it used */
/* in a .to-edge wrapper the body grows to fill it, so the input always sits past the panel's edge */
.ui-chat { width: 400px; overflow: hidden; display: flex; flex-direction: column; }
.ui-chat > .ui-head, .ui-chat__input { flex: none; }
.ui-chat .ui-head .ui-agent { width: 20px; height: 20px; }
.ui-chat__online { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--u-muted); }
/* a quiet ink dot, as every status in the kit: no off-palette green */
.ui-chat__online::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.7; }
.ui-chat__tool { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 6px; color: var(--u-muted); }
/* --chat-body sets the empty room above the input, so a placement can push the input past the panel's
   edge by a clear margin (cut on purpose) or keep it in view */
.ui-chat__body { flex: 1 0 auto; display: grid; gap: 12px; padding: 12px 16px 16px; min-height: var(--chat-body, 216px); align-content: start; }
.ui-chat__day { justify-self: center; font-size: 13px; line-height: 16px; color: var(--u-muted); }
.ui-msg { font-size: 13px; line-height: 20px; transition: opacity 260ms var(--u-ease), transform 360ms var(--u-ease); }
.ui-msg--me {
  justify-self: end; max-width: 280px; padding: 8px 12px; border-radius: 14px 14px 4px 14px;
  background: var(--u-fill-2); color: var(--u-ink); box-shadow: inset 0 0 0 1px var(--u-line);
}
.ui-msg--bot { display: flex; gap: 10px; align-items: flex-start; max-width: 340px; }
.ui-msg__av { width: 22px; height: 22px; margin-top: 1px; }
.ui-msg__col { display: grid; gap: 10px; min-width: 0; color: var(--u-text-2); }
.ui-msg--bot b { font-weight: 500; color: var(--u-ink); }
.ui-msg.is-hidden { opacity: 0; transform: translateY(6px); }
.ui-chat__srcs { display: flex; flex-wrap: wrap; gap: 6px; }
.ui-chat__src {
  display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 8px 0 6px;
  border-radius: 6px; font-size: 13px; font-weight: 500; line-height: 16px; color: var(--u-muted);
  background: var(--u-bg); box-shadow: inset 0 0 0 1px var(--u-line-2);
}
.ui-chat__src :is(.ui-icon, .ui-brand) { width: 13px; height: 13px; }
/* the answer's last sentence is written again in place: its words never drop below 72% ink */
.ui-chat__w { transition: opacity 180ms var(--u-ease); }
.ui-chat__w.is-off { opacity: 0.72; }
.ui-chat__srcs.is-hidden { opacity: 0; }
.ui-chat__src { transition: opacity 240ms var(--u-ease, ease), transform 240ms var(--u-ease, ease); }
.ui-chat__src.is-wait { opacity: 0; transform: translateY(3px); }
/* the typing dots: under the answer where its sources sit, only while the next words are on their way */
.ui-msg__col { position: relative; }
.ui-chat__typing { position: absolute; left: 0; bottom: 4px; display: flex; gap: 4px; opacity: 0; transition: opacity 160ms ease; pointer-events: none; }
.ui-chat__typing i { width: 5px; height: 5px; border-radius: 50%; background: var(--u-muted, #6b6b6b); animation: ui-chat-dot 900ms ease-in-out infinite; }
.ui-chat__typing i:nth-child(2) { animation-delay: 150ms; } .ui-chat__typing i:nth-child(3) { animation-delay: 300ms; }
.ui-chat.is-typing .ui-chat__typing { opacity: 1; }
@keyframes ui-chat-dot { 0%, 60%, 100% { transform: none; opacity: .45; } 30% { transform: translateY(-3px); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .ui-chat__typing { display: none; } }
.ui-chat__srcs { transition: opacity 320ms var(--u-ease); }
.ui-chat__input {
  display: flex; align-items: center; gap: 8px; height: 40px; margin: 0 12px 12px; padding: 0 4px 0 12px;
  border-radius: 10px; background: var(--u-fill); box-shadow: inset 0 0 0 1px var(--u-line-2);
  font-size: 13px; color: var(--u-soft);
}
.ui-chat__ph { flex: 1; }
.ui-chat__send { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 7px; background: var(--u-ink); color: var(--u-bg); }