/* CRMEB AI Chatbot Widget — 公共样式 */
.chat-fab{position:fixed;bottom:30px;right:30px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(102,126,234,0.4);z-index:9999;display:flex;align-items:center;justify-content:center;transition:all .3s ease;animation:fab-pulse 2s ease-in-out infinite}
.chat-fab:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(102,126,234,0.6)}
.chat-fab svg{width:28px;height:28px;fill:currentColor}
.chat-fab.active{animation:none;background:linear-gradient(135deg,#764ba2 0%,#667eea 100%)}
@keyframes fab-pulse{0%,100%{box-shadow:0 4px 20px rgba(102,126,234,0.4)}50%{box-shadow:0 4px 30px rgba(102,126,234,0.7)}}
.chat-window{position:fixed;bottom:100px;right:30px;width:400px;height:580px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,0.12);z-index:9998;display:flex;flex-direction:column;overflow:hidden;transform:scale(0.8) translateY(20px);opacity:0;pointer-events:none;transition:all .3s cubic-bezier(0.34,1.56,0.64,1)}
.chat-window.open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}
.chat-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:16px 20px;display:flex;align-items:center;gap:12px}
.chat-header .avatar{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;font-size:20px}
.chat-header .info{flex:1}.chat-header .info .name{font-size:16px;font-weight:600}.chat-header .info .status{font-size:12px;opacity:0.8}
.chat-header .close-btn{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}
.chat-header .close-btn:hover{background:rgba(255,255,255,0.2)}
.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}
.msg{display:flex;gap:8px;max-width:85%;animation:msg-in .3s ease-out}
.msg.bot{align-self:flex-start}.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg .bubble{padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.6;word-break:break-word}
.msg.bot .bubble{background:#f0f2f5;color:#333;border-bottom-left-radius:4px}
.msg.user .bubble{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-bottom-right-radius:4px}
.msg .mini-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px}
.msg.bot .mini-avatar{background:#e8f0fe}.msg.user .mini-avatar{background:#f0e6ff}
@keyframes msg-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.msg .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.msg .action-btn{padding:6px 14px;border:1px solid #667eea;color:#667eea;background:#fff;border-radius:20px;font-size:12px;cursor:pointer;transition:all .2s}
.msg .action-btn:hover{background:#667eea;color:#fff}
.msg .sources{margin-top:8px;font-size:11px;color:#999}
.msg .sources span{display:inline-block;background:#f0f2f5;padding:2px 8px;border-radius:10px;margin-right:4px}
.typing-indicator{display:flex;gap:4px;padding:12px 16px;background:#f0f2f5;border-radius:12px;border-bottom-left-radius:4px;width:fit-content}
.typing-indicator span{width:6px;height:6px;background:#999;border-radius:50%;animation:typing 1.4s infinite ease-in-out}
.typing-indicator span:nth-child(2){animation-delay:0.2s}.typing-indicator span:nth-child(3){animation-delay:0.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:0.4}30%{transform:translateY(-6px);opacity:1}}
.quick-questions{padding:8px 16px;display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid #f0f0f0}
.quick-q{padding:4px 12px;background:#f5f7fa;border:1px solid #e8e8e8;border-radius:16px;font-size:12px;color:#666;cursor:pointer;transition:all .2s}
.quick-q:hover{border-color:#667eea;color:#667eea}
.chat-input{padding:12px 16px;border-top:1px solid #f0f0f0;display:flex;gap:8px;align-items:flex-end}
.chat-input textarea{flex:1;border:1px solid #e8e8e8;border-radius:12px;padding:10px 14px;font-size:14px;font-family:inherit;resize:none;outline:none;max-height:100px;min-height:40px;line-height:1.4;transition:border-color .2s}
.chat-input textarea:focus{border-color:#667eea}.chat-input textarea::placeholder{color:#bbb}
.chat-input .send-btn{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.chat-input .send-btn:hover{transform:scale(1.05)}.chat-input .send-btn:disabled{opacity:0.5;cursor:not-allowed}
.chat-input .send-btn svg{width:18px;height:18px;fill:currentColor}
@media(max-width:480px){.chat-window{width:calc(100vw - 20px);height:calc(100vh - 120px);bottom:80px;right:10px;border-radius:12px}}