:root{--cude-primary:#0066cc;--cude-primary-hover:#0052a3;--cude-secondary:#f5f5f5;--cude-text:#333;--cude-text-light:#666;--cude-border:#ddd;--cude-user-bg:#0066cc;--cude-user-text:#fff;--cude-bot-bg:#f0f0f0;--cude-bot-text:#333;--cude-shadow:0 4px 12px rgba(0, 0, 0, 0.15);--cude-radius:12px}.cude-chat-widget{position:fixed;bottom:20px;z-index:9999;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif}.cude-chat-position-bottom-right{right:20px}.cude-chat-position-bottom-left{left:20px}.cude-chat-toggle{width:60px;height:60px;border-radius:50%;background:var(--cude-primary);border:none;color:#fff;cursor:pointer;box-shadow:var(--cude-shadow);transition:all 0.3s ease;display:flex;align-items:center;justify-content:center}.cude-chat-toggle:hover{background:var(--cude-primary-hover);transform:scale(1.05)}.cude-chat-toggle svg{width:28px;height:28px}.cude-chat-window{position:absolute;bottom:80px;width:380px;max-width:calc(100vw - 40px);height:550px;max-height:calc(100vh - 120px);background:#fff;border-radius:var(--cude-radius);box-shadow:var(--cude-shadow);display:flex;flex-direction:column;overflow:hidden;animation:slideUp 0.3s ease}.cude-chat-position-bottom-right .cude-chat-window{right:0}.cude-chat-position-bottom-left .cude-chat-window{left:0}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.cude-chat-header{background:var(--cude-primary);color:#fff;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.cude-chat-header h3{margin:0;font-size:16px;font-weight:600}.cude-chat-close{background:none;border:none;color:#fff;font-size:28px;line-height:1;cursor:pointer;padding:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background 0.2s ease}.cude-chat-close:hover{background:rgb(255 255 255 / .2)}.cude-chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.cude-chat-messages::-webkit-scrollbar{width:6px}.cude-chat-messages::-webkit-scrollbar-track{background:#fff0}.cude-chat-messages::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.cude-chat-messages::-webkit-scrollbar-thumb:hover{background:#aaa}.cude-chat-message{display:flex;margin-bottom:8px;animation:fadeIn 0.3s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.cude-chat-message.user{justify-content:flex-end}.cude-chat-message.bot{justify-content:flex-start}.cude-chat-bubble{max-width:75%;padding:10px 14px;border-radius:16px;word-wrap:break-word;line-height:1.4;font-size:14px}.cude-chat-message.user .cude-chat-bubble{background:var(--cude-user-bg);color:var(--cude-user-text);border-bottom-right-radius:4px}.cude-chat-message.bot .cude-chat-bubble{background:var(--cude-bot-bg);color:var(--cude-bot-text);border-bottom-left-radius:4px}.cude-chat-typing{display:flex;align-items:center;gap:4px;padding:10px 14px;background:var(--cude-bot-bg);border-radius:16px;border-bottom-left-radius:4px;width:fit-content}.cude-chat-typing span{width:8px;height:8px;background:#999;border-radius:50%;animation:typing 1.4s infinite}.cude-chat-typing span:nth-child(2){animation-delay:0.2s}.cude-chat-typing span:nth-child(3){animation-delay:0.4s}@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.7}30%{transform:translateY(-10px);opacity:1}}.cude-chat-input-wrapper{padding:16px;border-top:1px solid var(--cude-border);display:flex;gap:8px;align-items:flex-end;flex-shrink:0;background:#fff}.cude-chat-input{flex:1;border:1px solid var(--cude-border);border-radius:20px;padding:10px 16px;font-size:14px;resize:none;max-height:120px;font-family:inherit;line-height:1.4;outline:none;transition:border-color 0.2s ease}.cude-chat-input:focus{border-color:var(--cude-primary)}.cude-chat-send{width:40px;height:40px;border-radius:50%;background:var(--cude-primary);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all 0.2s ease}.cude-chat-send:hover:not(:disabled){background:var(--cude-primary-hover);transform:scale(1.05)}.cude-chat-send:disabled{background:#ccc;cursor:not-allowed}.cude-chat-send svg{width:18px;height:18px}.cude-chat-shortcode{display:flex;flex-direction:column;border:1px solid var(--cude-border);border-radius:var(--cude-radius);overflow:hidden;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif}.cude-chat-shortcode .cude-chat-header{background:var(--cude-primary);color:#fff;padding:12px 16px}.cude-chat-shortcode .cude-chat-header h3{margin:0;font-size:16px;font-weight:600}.cude-chat-shortcode .cude-chat-messages{flex:1;overflow-y:auto;padding:16px}.cude-chat-shortcode .cude-chat-input-wrapper{padding:12px;border-top:1px solid var(--cude-border)}@media (max-width:480px){.cude-chat-window{width:calc(100vw - 40px);height:calc(100vh - 100px);bottom:70px}.cude-chat-toggle{width:55px;height:55px}.cude-chat-bubble{max-width:85%}}.cude-chat-error{background:#fee;color:#c00;padding:12px;border-radius:8px;text-align:center;font-size:13px}.cude-chat-welcome{text-align:center;color:var(--cude-text-light);font-size:14px;padding:20px}.cude-chat-bubble p{margin:0 0 8px 0}.cude-chat-bubble p:last-child{margin-bottom:0}.cude-chat-bubble code{background:rgb(0 0 0 / .1);padding:2px 6px;border-radius:4px;font-family:'Courier New',monospace;font-size:13px}.cude-chat-bubble pre{background:rgb(0 0 0 / .05);padding:10px;border-radius:6px;overflow-x:auto;margin:8px 0}.cude-chat-bubble pre code{background:none;padding:0}