:root{--bg-primary: #0f0f23;--bg-secondary: #1a1a3e;--bg-chat: #12122b;--bg-user-msg: #7c3aed;--bg-agent-msg: #1e1e42;--text-primary: #f0f0ff;--text-secondary: #a0a0c0;--accent: #7c3aed;--accent-hover: #6d28d9;--border: #2a2a5a;--danger: #ef4444;--typing-dot: #7c3aed}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%;max-width:100vw;position:relative;z-index:1}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.header-title{font-size:18px;font-weight:600;display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;border-radius:50%;background:#22c55e}.status-dot.offline{background:var(--danger)}.messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth}.message{max-width:85%;padding:10px 14px;border-radius:16px;font-size:15px;line-height:1.5;word-wrap:break-word}.message.user{align-self:flex-end;background:var(--bg-user-msg);color:#fff;border-bottom-right-radius:4px}.message.assistant{align-self:flex-start;background:var(--bg-agent-msg);border-bottom-left-radius:4px}.message.system{align-self:center;background:transparent;color:var(--text-secondary);font-size:13px;padding:4px 12px}.message img{max-width:100%;border-radius:8px;margin-top:8px}.message .timestamp{font-size:11px;color:var(--text-secondary);margin-top:4px;text-align:right}.message.assistant p{margin:0 0 8px}.message.assistant p:last-child{margin-bottom:0}.message.assistant code{background:#7c3aed33;padding:2px 6px;border-radius:4px;font-size:13px}.message.assistant pre{background:#0000004d;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message.assistant pre code{background:none;padding:0}.typing-indicator{align-self:flex-start;padding:12px 16px;display:flex;gap:4px;align-items:center}.typing-dot{width:8px;height:8px;border-radius:50%;background:var(--typing-dot);animation:typing 1.4s infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1)}}.input-area{display:flex;align-items:flex-end;gap:8px;padding:12px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0}.input-area button{background:none;border:none;color:var(--accent);cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}.input-area button:hover{background:#7c3aed26}.input-area textarea{flex:1;background:var(--bg-primary);border:1px solid var(--border);border-radius:20px;padding:10px 16px;color:var(--text-primary);font-size:15px;resize:none;max-height:120px;outline:none;font-family:inherit}.input-area textarea:focus{border-color:var(--accent)}.input-area textarea::placeholder{color:var(--text-secondary)}.send-btn{background:var(--accent)!important;color:#fff!important;width:40px;height:40px}.send-btn:hover{background:var(--accent-hover)!important}.send-btn:disabled{opacity:.4;cursor:not-allowed}.pair-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:24px;padding:24px;position:relative;z-index:1}.pair-screen h1{font-size:32px;background:linear-gradient(135deg,#7c3aed,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.pair-screen input{width:200px;text-align:center;font-size:24px;letter-spacing:8px;padding:12px;background:var(--bg-primary);border:2px solid var(--border);border-radius:12px;color:var(--text-primary);outline:none}.pair-screen input:focus{border-color:var(--accent)}.pair-screen button{padding:12px 32px;background:var(--accent);color:#fff;border:none;border-radius:12px;font-size:16px;cursor:pointer}.image-preview{position:relative;padding:8px}.image-preview img{max-height:80px;border-radius:8px}.image-preview button{position:absolute;top:0;right:0;background:var(--danger);color:#fff;border:none;width:24px;height:24px;border-radius:50%;font-size:14px}.messages::-webkit-scrollbar{width:4px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.app:before,.pair-screen:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}.gradient-overlay,.grid-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}.gradient-overlay{background:radial-gradient(circle at 50% 0%,rgba(124,58,237,.1) 0%,transparent 70%)}.grid-overlay{background-image:linear-gradient(90deg,rgba(124,58,237,.05) 1px,transparent 1px),linear-gradient(rgba(124,58,237,.05) 1px,transparent 1px);background-size:50px 50px}@media(max-width:480px){.message{max-width:90%}}