.smartai-ls-floating-bubble{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 25px rgba(0,0,0,0.25);z-index:9999}.smartai-ls-bubble-icon{font-size:24px}.smartai-ls-chat-panel{position:fixed;right:20px;bottom:84px;width:340px;max-height:460px;background:#fff;border-radius:14px;box-shadow:0 12px 35px rgba(15,23,42,0.35);display:flex;flex-direction:column;overflow:hidden;z-index:9999}.smartai-ls-hidden{display:none}.smartai-ls-chat-header{padding:10px 12px;display:flex;align-items:center;justify-content:space-between}.smartai-ls-chat-title{font-weight:600;font-size:14px}.smartai-ls-close-btn{background:transparent;border:none;color:#9ca3af;font-size:18px;cursor:pointer}.smartai-ls-close-btn:hover{color:#fff}.smartai-ls-chat-body{padding:10px;background:#f3f4f6;height:280px;overflow-y:auto}.smartai-ls-message{margin-bottom:8px;display:flex}.smartai-ls-message-ai{justify-content:flex-start}.smartai-ls-message-user{justify-content:flex-end}.smartai-ls-message-content{max-width:80%;padding:7px 10px;border-radius:10px;font-size:13px;line-height:1.4}.smartai-ls-message-ai .smartai-ls-message-content{background:#e5e7eb;color:#111827;border-bottom-left-radius:2px}.smartai-ls-message-user .smartai-ls-message-content{background:#2563eb;color:#fff;border-bottom-right-radius:2px}.smartai-ls-chat-footer{border-top:1px solid #e5e7eb;padding:8px;display:flex;gap:6px;background:#fff}.smartai-ls-chat-input{flex:1;resize:none;border-radius:8px;border:1px solid:#d1d5db;padding:6px 8px;font-size:13px;min-height:38px;max-height:80px}.smartai-ls-chat-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 1px rgba(37,99,235,0.25)}.smartai-ls-chat-send-btn{border:none;background:#2563eb;color:#fff;padding:0 12px;border-radius:8px;font-size:13px;cursor:pointer;min-width:64px}.smartai-ls-chat-send-btn:hover{background:#1d4ed8}.smartai-ls-typing .smartai-ls-message-content{font-style:italic;opacity:.8}@media (max-width:480px){.smartai-ls-chat-panel{right:10px;left:10px;width:auto}.smartai-ls-floating-bubble{right:16px;bottom:16px}}
.smartai-ls-message-inner{display:flex;align-items:flex-start;gap:6px}
.smartai-ls-message-icon{font-size:14px;line-height:1.4;margin-top:2px}
.smartai-ls-message-system{justify-content:center}
.smartai-ls-message-system .smartai-ls-message-content{background:#f97316;color:#111827;border-radius:999px;font-size:12px;text-align:center;padding:6px 10px}
.smartai-ls-message-agent .smartai-ls-message-content{background:#22c55e;color:#fff}
.smartai-ls-message-ai-bot .smartai-ls-message-content{background:#e5e7eb;color:#111827}

.smartai-ls-chat-title{display:flex;align-items:center;gap:6px}
.smartai-ls-conn-status{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:2px 6px;border-radius:999px;background:rgba(148,163,184,0.15);color:#e5e7eb}
.smartai-ls-conn-dot{width:6px;height:6px;border-radius:999px;background:#9ca3af}
.smartai-ls-conn-online .smartai-ls-conn-dot{background:#22c55e}
.smartai-ls-conn-online{background:rgba(34,197,94,0.15);color:#bbf7d0}