.acb{--acb-accent:#1b6fc8;--acb-bg:#ffffff;--acb-fg:#1a1a1a;--acb-muted:#6b7280;--acb-line:rgba(0, 0, 0, 0.12);--acb-bot-bg:#f3f4f6;--acb-radius:16px;--acb-width:360px;--acb-height:520px;--acb-font:inherit;font-family:var(--acb-font);box-sizing:border-box}.acb *,.acb *::before,.acb *::after{box-sizing:border-box}.acb--dark{--acb-bg:#1f2430;--acb-fg:#e8eaed;--acb-muted:#9aa0ac;--acb-line:rgba(255, 255, 255, 0.14);--acb-bot-bg:#2a3140}.acb--floating{position:fixed;bottom:24px;z-index:99990}.acb--floating.acb--bottom-right{right:24px}.acb--floating.acb--bottom-left{left:24px}.acb--floating.acb--middle-right,.acb--floating.acb--middle-left{bottom:auto;top:50%;transform:translateY(-50%)}.acb--floating.acb--middle-right{right:24px}.acb--floating.acb--middle-left{left:24px}.acb__intro{position:absolute;bottom:50%;transform:translateY(50%);display:flex;align-items:flex-start;gap:6px;width:max-content;max-width:min(280px, calc(100vw - 120px));padding:10px 12px;background:var(--acb-bg);color:var(--acb-fg);border:1px solid var(--acb-accent);border-radius:12px;box-shadow:0 8px 24px rgb(0 0 0 / .16);font-size:13.5px;line-height:1.45}.acb--bottom-right .acb__intro,.acb--middle-right .acb__intro{right:calc(100% + 12px)}.acb--bottom-left .acb__intro,.acb--middle-left .acb__intro{left:calc(100% + 12px)}.acb--bottom-right .acb__intro,.acb--bottom-left .acb__intro{bottom:0;transform:none}.acb__intro-text{appearance:none;background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;text-align:left;cursor:pointer}.acb__intro-close{appearance:none;background:none;border:0;padding:0 2px;margin:-4px -4px 0 0;font-size:18px;line-height:1;color:var(--acb-muted);cursor:pointer}.acb__intro-close:hover{color:var(--acb-fg)}.acb--open .acb__intro{display:none}.acb__launcher{width:60px;height:60px;border-radius:50%;border:none;background:var(--acb-accent);color:#fff;font-size:26px;line-height:1;cursor:pointer;box-shadow:0 6px 22px rgb(0 0 0 / .22);display:flex;align-items:center;justify-content:center;transition:transform 0.15s ease,box-shadow 0.15s ease}.acb__launcher:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgb(0 0 0 / .28)}.acb__launcher:focus-visible{outline:3px solid var(--acb-accent);outline-offset:3px}.acb--open .acb__launcher{display:none}.acb__panel{width:var(--acb-width);max-width:calc(100vw - 32px);height:var(--acb-height);max-height:calc(100vh - 48px);background:var(--acb-bg);color:var(--acb-fg);border:1px solid var(--acb-line);border-radius:var(--acb-radius);display:flex;flex-direction:column;overflow:hidden}.acb--floating .acb__panel{position:absolute;bottom:0;box-shadow:0 16px 48px rgb(0 0 0 / .26)}.acb--floating.acb--bottom-right .acb__panel{right:0}.acb--floating.acb--bottom-left .acb__panel{left:0}.acb--floating.acb--middle-right .acb__panel,.acb--floating.acb--middle-left .acb__panel{bottom:auto;top:50%;transform:translateY(-50%)}.acb--floating.acb--middle-right .acb__panel{right:0}.acb--floating.acb--middle-left .acb__panel{left:0}.acb--inline .acb__panel{width:100%}.acb__panel[hidden]{display:none}.acb__header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;background:var(--acb-accent);color:#fff}.acb__title{font-weight:600;font-size:15px}.acb__close{background:#fff0;border:none;color:#fff;font-size:24px;line-height:1;cursor:pointer;padding:0 4px;opacity:.85}.acb__close:hover{opacity:1}.acb__log{flex:1 1 auto;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.acb__msg{max-width:82%;padding:9px 13px;border-radius:14px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}.acb__msg--bot{align-self:flex-start;background:var(--acb-bot-bg);color:var(--acb-fg);border-bottom-left-radius:4px}.acb__msg--user{align-self:flex-end;background:var(--acb-accent);color:#fff;border-bottom-right-radius:4px}.acb__msg--error{align-self:center;background:#fff0;color:#b91c1c;font-size:13px}.acb__typing{display:inline-flex;gap:4px;align-items:center}.acb__typing span{width:6px;height:6px;border-radius:50%;background:var(--acb-muted);animation:acb-blink 1.2s infinite ease-in-out}.acb__typing span:nth-child(2){animation-delay:0.2s}.acb__typing span:nth-child(3){animation-delay:0.4s}@keyframes acb-blink{0%,80%,100%{opacity:.3}40%{opacity:1}}.acb__cites{align-self:flex-start;display:flex;flex-wrap:wrap;gap:6px;margin-top:-4px}.acb__cite{font-size:11px;line-height:1.4;padding:3px 8px;border:1px solid var(--acb-line);border-radius:999px;color:var(--acb-muted);background:#fff0}.acb__followups{align-self:flex-start;display:flex;flex-wrap:wrap;gap:6px}.acb__followup{font:inherit;font-size:12.5px;line-height:1.35;padding:6px 11px;border:1px solid var(--acb-accent);border-radius:999px;background:#fff0;color:var(--acb-fg);cursor:pointer;text-align:left}.acb__followup:hover{background:var(--acb-accent);color:#fff}.acb__followup:focus-visible{outline:2px solid var(--acb-accent);outline-offset:1px}.acb__form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--acb-line)}.acb__input{flex:1 1 auto;border:1px solid var(--acb-line);border-radius:999px;padding:9px 14px;font-size:14px;background:var(--acb-bg);color:var(--acb-fg)}.acb__input:focus-visible{outline:2px solid var(--acb-accent);outline-offset:1px}.acb__send{border:none;background:var(--acb-accent);color:#fff;border-radius:999px;padding:0 16px;font-size:14px;font-weight:600;cursor:pointer}.acb__send:disabled{opacity:.5;cursor:default}@media (prefers-reduced-motion:reduce){.acb__launcher{transition:none}.acb__typing span{animation:none}}