:root{--uc-cb-primary:#e8a838;--uc-cb-primary-hover:#d4920b;--uc-cb-bg:#fff;--uc-cb-text:#333;--uc-cb-text-light:#666;--uc-cb-border:#e0e0e0;--uc-cb-user-bg:#e8a838;--uc-cb-user-text:#fff;--uc-cb-bot-bg:#f1f3f4;--uc-cb-bot-text:#333;--uc-cb-shadow:0 4px 20px rgba(0,0,0,.15);--uc-cb-radius:12px}
#uc-chatbot{position:fixed;bottom:20px;right:20px;z-index:999999;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:14px;line-height:1.5}
#uc-chatbot-btn{padding:12px 18px;border-radius:28px;background:var(--uc-cb-primary);color:#1a1a2e;border:none;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 4px 20px rgba(0,0,0,.4);transition:transform .2s;animation:uc-cb-bounce 3s ease-in-out infinite;font-size:14px;font-weight:600}
#uc-chatbot-btn:hover{transform:scale(1.05);animation:none}
#uc-chatbot-btn svg{width:20px;height:20px}
@keyframes uc-cb-bounce{0%,100%{transform:translateY(0)}10%{transform:translateY(-6px)}20%{transform:translateY(0)}30%{transform:translateY(-3px)}40%,100%{transform:translateY(0)}}
#uc-chatbot-win{position:absolute;bottom:70px;right:0;width:380px;max-width:calc(100vw - 40px);height:520px;max-height:calc(100vh - 120px);background:var(--uc-cb-bg);border-radius:var(--uc-cb-radius);box-shadow:var(--uc-cb-shadow);display:flex;flex-direction:column;overflow:hidden;transition:opacity .2s,transform .2s}
#uc-chatbot-win.hidden{opacity:0;transform:translateY(10px) scale(.95);pointer-events:none}
.uc-cb-header{background:var(--uc-cb-primary);color:#fff;padding:16px;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.uc-cb-close{background:none;border:none;color:#fff;cursor:pointer;font-size:24px;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px}
.uc-cb-close:hover{background:rgba(255,255,255,.2)}
.uc-cb-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.uc-cb-msg{max-width:85%;animation:uc-cb-msg-in .2s ease}
@keyframes uc-cb-msg-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.uc-cb-msg-user{align-self:flex-end}
.uc-cb-msg-bot{align-self:flex-start}
.uc-cb-bubble{padding:10px 14px;border-radius:16px;word-wrap:break-word}
.uc-cb-msg-user .uc-cb-bubble{background:var(--uc-cb-user-bg);color:var(--uc-cb-user-text);border-bottom-right-radius:4px}
.uc-cb-msg-bot .uc-cb-bubble{background:var(--uc-cb-bot-bg);color:var(--uc-cb-bot-text);border-bottom-left-radius:4px}
.uc-cb-bubble a{color:inherit;text-decoration:underline}
.uc-cb-typing{display:inline-flex;gap:4px;padding:4px 0}
.uc-cb-typing span{width:8px;height:8px;background:var(--uc-cb-text-light);border-radius:50%;animation:uc-cb-typ 1.4s infinite both}
.uc-cb-typing span:nth-child(2){animation-delay:.2s}
.uc-cb-typing span:nth-child(3){animation-delay:.4s}
@keyframes uc-cb-typ{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}
.uc-cb-input{padding:12px 16px;border-top:1px solid var(--uc-cb-border);display:flex;gap:8px;align-items:flex-end}
.uc-cb-input textarea{flex:1;border:1px solid var(--uc-cb-border);border-radius:20px;padding:10px 16px;font-size:14px;font-family:inherit;resize:none;max-height:120px;line-height:1.4;outline:none;overflow:hidden}
.uc-cb-input textarea:focus{border-color:var(--uc-cb-primary)}
.uc-cb-send{width:40px;height:40px;border-radius:50%;background:var(--uc-cb-primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.uc-cb-send:hover{background:var(--uc-cb-primary-hover)}
.uc-cb-send svg{width:18px;height:18px}
.uc-cb-disclaimer{padding:8px 16px;font-size:11px;color:var(--uc-cb-text-light);text-align:center;border-top:1px solid var(--uc-cb-border);background:#fafafa}
@media(max-width:480px){#uc-chatbot{bottom:calc(15px + env(safe-area-inset-bottom));right:10px}#uc-chatbot-win{position:fixed;width:calc(100vw - 20px);height:60vh;max-height:450px;bottom:calc(70px + env(safe-area-inset-bottom));right:10px;left:10px}.uc-cb-input textarea{font-size:16px}}