:root{--cb-primary:#2563eb;--cb-bg:#ffffff;--cb-text:#0f172a;--cb-muted:#64748b;--cb-border:#e2e8f0;--cb-shadow:0 10px 30px rgba(2,6,23,.15)}
#chatbot-widget{position:fixed;right:24px;bottom:24px;z-index:10000;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
#chatbot-toggle{width:56px;height:56px;border-radius:9999px;background:var(--cb-primary);color:#fff;border:none;box-shadow:var(--cb-shadow);display:flex;align-items:center;justify-content:center;cursor:pointer}
#chatbot-toggle .badge{position:absolute;top:-6px;right:-6px;background:#ef4444;color:#fff;border-radius:9999px;font-size:10px;padding:2px 6px}
#chatbot-panel{position:fixed;right:24px;bottom:92px;width:340px;max-width:92vw;background:var(--cb-bg);border:1px solid var(--cb-border);border-radius:12px;box-shadow:var(--cb-shadow);display:none;flex-direction:column;overflow:hidden}
#chatbot-panel.open{display:flex}
.cb-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:#0ea5e9;color:#fff}
.cb-title{display:flex;align-items:center;gap:8px;font-weight:600}
.cb-actions button{background:transparent;border:none;color:#fff;font-size:16px;cursor:pointer}
.cb-body{height:360px;max-height:60vh;overflow:auto;background:#f8fafc;padding:12px}
.cb-msg{display:flex;margin-bottom:10px}
.cb-msg .bubble{padding:10px 12px;border-radius:12px;max-width:80%;white-space:pre-wrap;word-wrap:break-word;line-height:1.35}
.cb-msg.user{justify-content:flex-end}
.cb-msg.user .bubble{background:#2563eb;color:#fff;border-bottom-right-radius:4px}
.cb-msg.bot .bubble{background:#fff;border:1px solid var(--cb-border);color:var(--cb-text);border-bottom-left-radius:4px}
.cb-typing{display:none;align-items:center;gap:8px;color:var(--cb-muted);font-size:12px;padding:0 12px 8px}
.cb-typing.show{display:flex}
.cb-input{border-top:1px solid var(--cb-border);padding:10px;background:#fff;display:flex;gap:8px}
.cb-input textarea{flex:1;resize:none;max-height:120px;height:42px;border:1px solid var(--cb-border);border-radius:8px;padding:8px 10px;font-family:inherit}
.cb-input button{background:var(--cb-primary);color:#fff;border:none;border-radius:8px;padding:0 14px;cursor:pointer}
@media (max-width:480px){#chatbot-panel{right:12px;left:12px;width:auto}}