.chat-fab{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;border:none;background:var(--primary-color);color:var(--primary-color-text);box-shadow:0 6px 20px rgba(0,0,0,.25);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.5rem;z-index:1100;transition:transform .15s ease,box-shadow .15s ease}.chat-fab:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(0,0,0,.32)}.chat-fab-attention:after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 0 var(--primary-color);animation:chat-fab-ring 2s ease-out infinite}@keyframes chat-fab-ring{0%{box-shadow:0 0 0 0 rgba(0,123,255,.5)}70%{box-shadow:0 0 0 14px rgba(0,123,255,0)}to{box-shadow:0 0 0 0 rgba(0,123,255,0)}}.chat-teaser{position:fixed;right:24px;bottom:92px;max-width:240px;display:flex;align-items:flex-start;gap:8px;padding:11px 12px 11px 14px;color:var(--text-color);border:1px solid var(--surface-border);border-radius:14px;box-shadow:0 8px 26px rgba(0,0,0,.22);font-size:.85rem;line-height:1.4;cursor:pointer;z-index:1100}.chat-teaser,.chat-teaser:after{background:var(--surface-overlay,#fff)}.chat-teaser:after{content:"";position:absolute;right:22px;bottom:-7px;width:14px;height:14px;border-right:1px solid var(--surface-border);border-bottom:1px solid var(--surface-border);transform:rotate(45deg)}.chat-teaser-text{flex:1 1}.chat-teaser-close{flex:none;width:18px;height:18px;margin-top:1px;padding:0;border:none;background:transparent;color:var(--text-color-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;font-size:.7rem}.chat-teaser-close:hover{background:var(--surface-ground);color:var(--text-color)}.chat-panel{position:fixed;right:24px;bottom:92px;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 120px);background:var(--surface-overlay,#fff);border:1px solid var(--surface-border);border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.28);display:flex;flex-direction:column;overflow:hidden;z-index:1100}.chat-header{display:flex;align-items:center;gap:6px;padding:12px 16px;background:var(--primary-color);color:var(--primary-color-text)}.chat-header .chat-title{font-weight:600;font-size:.95rem;flex:1 1}.chat-header .chat-header-btn,.chat-header button{background:transparent;border:none;color:inherit;cursor:pointer;width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;text-decoration:none}.chat-header .chat-header-btn:hover,.chat-header button:hover{background:hsla(0,0%,100%,.15)}.chat-fullscreen{margin:-2rem;height:calc(100vh - 7rem)}.chat-panel-fullscreen{position:static;width:100%;height:100%;max-width:none;max-height:none;inset:auto;border:none;border-radius:0;box-shadow:none}.chat-body{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--surface-ground)}.chat-msg{max-width:85%;padding:9px 13px;border-radius:12px;line-height:1.5;word-break:break-word;font-size:.87rem}.chat-msg.user{align-self:flex-end;background:var(--primary-color);color:var(--primary-color-text);border-bottom-right-radius:4px;white-space:pre-wrap}.chat-msg.bot{align-self:flex-start;background:var(--surface-card);color:var(--text-color);border:1px solid var(--surface-border);border-bottom-left-radius:4px}.chat-msg.system{align-self:center;background:transparent;color:var(--text-color-secondary);font-size:.78rem;text-align:center}.chat-actions{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}.chat-actions a{font-size:.78rem;padding:4px 10px;background:var(--primary-color);color:var(--primary-color-text);border-radius:6px;text-decoration:none}.chat-typing .dot{display:inline-block;animation:chat-pulse 1.4s ease-in-out infinite}.chat-typing .dot:nth-child(2){animation-delay:.2s}.chat-typing .dot:nth-child(3){animation-delay:.4s}@keyframes chat-pulse{0%,to{opacity:.3}50%{opacity:1}}.chat-disclaimer{display:flex;align-items:center;gap:6px;padding:6px 12px;border-top:1px solid var(--surface-border);background:var(--surface-ground);color:var(--text-color-secondary);font-size:.72rem;line-height:1.3}.chat-disclaimer .pi{font-size:.8rem;flex-shrink:0}.chat-composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--surface-border);background:var(--surface-overlay,#fff)}.chat-composer textarea{flex:1 1;resize:none;max-height:120px;padding:9px 11px;border:1px solid var(--surface-border);border-radius:8px;background:var(--surface-ground);color:var(--text-color);font-family:inherit;font-size:.87rem;line-height:1.4}.chat-composer textarea:focus{outline:none;border-color:var(--primary-color)}.chat-composer button{align-self:flex-end}.chat-md{line-height:1.55}.chat-md>:first-child{margin-top:0}.chat-md>:last-child{margin-bottom:0}.chat-md p{margin:0 0 6px}.chat-md ol,.chat-md ul{margin:4px 0 6px;padding-left:20px}.chat-md li{margin:2px 0}.chat-md a{color:var(--primary-color);text-decoration:underline;word-break:break-word}.chat-md code{border:1px solid var(--surface-border);border-radius:4px;padding:1px 4px;font-family:ui-monospace,Menlo,monospace;font-size:.82em}.chat-md code,.chat-md pre{background:var(--surface-ground)}.chat-md pre{border:1px solid var(--surface-border);border-radius:8px;padding:10px 12px;overflow-x:auto;margin:6px 0}.chat-md pre code{background:none;border:none;padding:0}.chat-md table{border-collapse:collapse;width:100%;font-size:.82rem;margin:6px 0}.chat-md td,.chat-md th{border:1px solid var(--surface-border);padding:5px 8px;text-align:left}.chat-md th{background:var(--surface-ground)}