.chatbot-container{width:100%;max-width:300px;margin:20px auto;border:1px solid #e0e0e0;border-radius:12px;overflow:hidden;background-color:#f9f9f9;box-shadow:0 4px 12px rgba(0,0,0,0.05);font-family:'Inter','Roboto',sans-serif;position:fixed;right:10px;top:140px;z-index:9999;transition:all .3s ease}
.chatbot-container.collapsed{top:auto;bottom:0}
.chat-header{background:linear-gradient(135deg,#007bff,#0056b3);color:white;padding:15px 20px;display:flex;justify-content:space-between;align-items:center}
.chat-header h2{margin:0;font-size:1.1rem;font-weight:600}
.toggle-btn{background:0;border:0;color:white;cursor:pointer;padding:0;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:transform .3s ease}
.toggle-btn:focus{outline:0}
.chatbot-container.collapsed .toggle-btn{transform:rotate(180deg)}
.chatbot-container.collapsed .chat-messages,.chatbot-container.collapsed .chat-status{display:none !important}
.chat-messages{height:400px;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:12px}
.chat-status{padding:20px;text-align:center;font-size:.9rem;color:#666}
.message{max-width:100%;padding:10px 10px;border-radius:12px;font-size:.8rem;line-height:1.4;position:relative;word-break:break-all}
.message.received{align-self:flex-start;background-color:#fff;border:1px solid #e0e0e0;color:#333;border-bottom-left-radius:4px}
.message.sent{align-self:flex-end;background-color:#007bff;color:white;border-bottom-right-radius:4px}
.message-time{font-size:.75rem;color:#999;margin-top:4px;display:block;text-align:right}
.message.sent .message-time{color:rgba(255,255,255,0.7)}
.spinner{width:24px;height:24px;border:3px solid rgba(0,123,255,0.2);border-top-color:#007bff;border-radius:50%;animation:spin 1s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}
}
.loading-container{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#666;font-size:.9rem}