#bt-chat-widget{position:fixed;bottom:1.25rem;right:1.25rem;z-index:9998;font-family:var(--font)}#bt-chat-bubble{width:56px;height:56px;border-radius:50%;background:var(--gradient-primary);color:var(--text-on-primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:var(--ease)}#bt-chat-bubble:hover{transform:translateY(-2px) scale(1.03)}#bt-chat-teaser{position:absolute;bottom:68px;right:0;width:230px;background:var(--bg-card);color:var(--text);padding:.75rem 1.6rem .75rem .9rem;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);font-size:.8rem;line-height:1.35;animation:bt-teaser-in .25s ease}#bt-chat-teaser.hidden{display:none}#bt-chat-teaser:after{content:"";position:absolute;bottom:-7px;right:22px;width:14px;height:14px;background:var(--bg-card);transform:rotate(45deg);border-radius:2px}#bt-chat-teaser-close{position:absolute;top:.35rem;right:.5rem;background:none;border:none;color:var(--text-secondary);font-size:1rem;line-height:1;cursor:pointer;padding:.1rem}@keyframes bt-teaser-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}#bt-chat-panel{position:fixed;bottom:5.5rem;right:1.25rem;width:min(360px,calc(100vw - 2rem));height:min(520px,calc(100vh - 8rem));background:var(--bg-card);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}#bt-chat-panel.hidden{display:none}#bt-chat-header{background:var(--gradient-primary);color:var(--text-on-primary);padding:.9rem 1.1rem;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-display);font-weight:600;font-size:1rem}#bt-chat-close{background:none;border:none;color:inherit;cursor:pointer;font-size:1rem;opacity:.85;line-height:1}#bt-chat-close:hover{opacity:1}#bt-chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.55rem;background:var(--bg)}.bt-msg{max-width:80%;padding:.55rem .85rem;border-radius:var(--r-lg);font-size:.85rem;line-height:1.4;white-space:pre-wrap;word-break:break-word}.bt-msg-assistant{align-self:flex-start;background:var(--bg-muted);color:var(--text);border-bottom-left-radius:4px}.bt-msg-user{align-self:flex-end;background:var(--gradient-primary);color:var(--text-on-primary);border-bottom-right-radius:4px}.bt-msg-typing{opacity:.6;font-style:italic}#bt-chat-form{display:flex;gap:.5rem;padding:.75rem;border-top:1px solid var(--border-light);background:var(--bg-card)}#bt-chat-input{flex:1;padding:.55rem .9rem;border:1px solid var(--border);border-radius:var(--r-full);font-family:var(--font);font-size:.85rem;color:var(--text);background:var(--bg-card);outline:none}#bt-chat-input:focus{border-color:var(--p1-dark);box-shadow:0 0 0 3px var(--ring)}#bt-chat-form button[type=submit]{width:38px;height:38px;border-radius:50%;flex-shrink:0;background:var(--gradient-primary);color:var(--text-on-primary);border:none;cursor:pointer;font-size:.95rem}#bt-chat-mic{width:38px;height:38px;border-radius:50%;flex-shrink:0;background:var(--bg-muted);color:var(--text);border:1px solid var(--border);cursor:pointer;font-size:1rem;transition:var(--ease)}#bt-chat-mic.bt-mic-recording{background:#e74c3c;color:#fff;border-color:#e74c3c;animation:bt-mic-pulse 1.1s ease-in-out infinite}@keyframes bt-mic-pulse{0%,to{box-shadow:0 0 #e74c3c80}50%{box-shadow:0 0 0 8px #e74c3c00}}@media(max-width:480px){#bt-chat-panel{right:.5rem;bottom:5rem;width:calc(100vw - 1rem)}#bt-chat-widget{right:.75rem;bottom:.9rem}#bt-chat-teaser{width:190px;font-size:.75rem}}