.ack-panel{--ack-accent:#00bfff;--ack-bg:#fff;--ack-fg:#1a1a1a;--ack-muted:#7a7a7a;--ack-border:rgba(0,0,0,.1);--ack-bubble-user:var(--ack-accent);--ack-bubble-user-fg:#fff;--ack-bubble-assistant:rgba(0,0,0,.05);--ack-radius:14px;display:flex;flex-direction:column;height:100%;min-height:0;background:var(--ack-bg);color:var(--ack-fg);font-family:inherit}.ack-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border-bottom:1px solid var(--ack-border);flex:0 0 auto}.ack-title{font-weight:600;font-size:15px}.ack-icon-btn,.ack-input-icon{display:inline-flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--ack-muted);cursor:pointer;padding:6px;border-radius:8px;transition:background .12s ease,color .12s ease}.ack-icon-btn:hover,.ack-input-icon:hover{background:rgba(0,0,0,.06);color:var(--ack-fg)}.ack-mic-active{color:#e5484d}.ack-empty{flex:1 1 auto;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px}.ack-empty-hint{color:var(--ack-muted);font-size:14px;max-width:30ch}.ack-messages{flex:1 1 auto;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.ack-msg{display:flex}.ack-msg-user{justify-content:flex-end}.ack-msg-assistant{justify-content:flex-start}.ack-bubble{max-width:82%;padding:9px 13px;border-radius:var(--ack-radius);font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.ack-bubble-user{background:var(--ack-bubble-user);color:var(--ack-bubble-user-fg);border-bottom-right-radius:4px}.ack-bubble-assistant{background:var(--ack-bubble-assistant);color:var(--ack-fg);border-bottom-left-radius:4px}.ack-msg-images{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.ack-msg-image{max-width:160px;max-height:160px;border-radius:8px}.ack-status{gap:8px}.ack-status,.ack-typing{display:inline-flex;align-items:center}.ack-typing{gap:3px}.ack-typing i{width:5px;height:5px;border-radius:50%;background:var(--ack-muted);display:inline-block;animation:ack-bounce 1.2s ease-in-out infinite}.ack-typing i:nth-child(2){animation-delay:.15s}.ack-typing i:nth-child(3){animation-delay:.3s}@keyframes ack-bounce{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.ack-input-wrap{flex:0 0 auto;padding:10px 12px;border-top:1px solid var(--ack-border)}.ack-quick-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.ack-quick-btn{background:transparent;border:1px solid var(--ack-border);color:var(--ack-muted);border-radius:999px;padding:5px 11px;font-size:12px;cursor:pointer;transition:border-color .12s ease,color .12s ease}.ack-quick-btn:hover:not(:disabled){border-color:var(--ack-accent);color:var(--ack-fg)}.ack-quick-btn:disabled{opacity:.5;cursor:default}.ack-preview-row{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}.ack-preview-item{position:relative}.ack-preview-thumb{width:44px;height:44px;object-fit:cover;border-radius:8px}.ack-preview-remove{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;background:#000;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}.ack-input-area{display:flex;align-items:flex-end;gap:6px}.ack-input{flex:1 1 auto;resize:none;border:1px solid var(--ack-border);border-radius:12px;padding:9px 12px;font:inherit;font-size:14px;line-height:1.4;background:var(--ack-bg);color:var(--ack-fg);max-height:120px;outline:none}.ack-input:focus{border-color:var(--ack-accent)}.ack-send-btn{flex:0 0 auto;width:36px;height:36px;border-radius:10px;border:none;background:var(--ack-accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}.ack-send-btn:disabled{opacity:.45;cursor:default}.ack-stop-btn{background:#e5484d}@media (max-width:560px){.ack-bubble{max-width:90%}}