#km-chat-bubble{position:fixed;bottom:24px;right:24px;z-index:999999;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#ff6a00,#ff3d00);box-shadow:0 4px 16px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s}#km-chat-bubble:hover{transform:scale(1.08)}#km-chat-bubble svg{width:28px;height:28px;fill:#fff}#km-chat-badge{position:absolute;top:-4px;right:-4px;background:#e53935;color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:2px 6px;display:none}#km-chat-window{position:fixed;bottom:96px;right:24px;z-index:999999;width:360px;max-width:calc(100vw - 32px);height:520px;max-height:70vh;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif}#km-chat-window.open{display:flex}#km-chat-header{background:linear-gradient(135deg,#ff6a00,#ff3d00);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}#km-chat-header .km-title{font-weight:700;font-size:15px}#km-chat-header .km-sub{font-size:12px;opacity:.9;margin-top:2px}#km-chat-close{cursor:pointer;font-size:20px;line-height:1;background:0 0;border:none;color:#fff}#km-chat-messages{flex:1;overflow-y:auto;padding:14px;background:#f7f7f9;display:flex;flex-direction:column;gap:10px}.km-msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:14px;line-height:1.4;white-space:pre-wrap}.km-msg.user{align-self:flex-end;background:#ff6a00;color:#fff;border-bottom-right-radius:4px}.km-msg.bot{align-self:flex-start;background:#fff;color:#222;border:1px solid #eee;border-bottom-left-radius:4px}.km-msg.typing{align-self:flex-start;background:#fff;border:1px solid #eee;color:#999}#km-chat-input-row{display:flex;gap:8px;padding:10px;border-top:1px solid #eee;background:#fff}#km-chat-input{flex:1;border:1px solid #ddd;border-radius:20px;padding:10px 14px;font-size:14px;outline:none;resize:none}#km-chat-send{background:#ff6a00;border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}#km-chat-send:disabled{opacity:.5;cursor:default}@media (max-width:480px){#km-chat-window{right:8px;left:8px;width:auto;bottom:88px}#km-chat-bubble{right:16px;bottom:16px}}