:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a25;--bg-hover: #22222f;--text-primary: #e8e8ed;--text-secondary: #8888a0;--text-muted: #55556a;--accent: #6c5ce7;--accent-light: #a29bfe;--accent-dim: #6c5ce730;--border: #2a2a3a;--msg-own: #6c5ce7;--msg-other: #1e1e2e;--msg-bot: #1a2530;--danger: #ff6b6b;--success: #51cf66;--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100dvh;overflow:hidden}#root{height:100dvh;display:flex}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;gap:16px;color:var(--text-secondary)}.logo-icon{width:48px;height:48px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;color:#fff}.logo-icon.large{width:64px;height:64px;font-size:28px;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.auth-container{display:flex;align-items:center;justify-content:center;width:100%;padding:20px}.auth-card{width:100%;max-width:400px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:40px 32px}.auth-logo{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:32px}.auth-logo h1{font-size:24px;font-weight:600;color:var(--text-primary)}.auth-tabs{display:flex;gap:4px;background:var(--bg-tertiary);border-radius:var(--radius-sm);padding:4px;margin-bottom:24px}.auth-tabs button{flex:1;padding:8px;border:none;background:transparent;color:var(--text-secondary);border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.auth-tabs button.active{background:var(--accent);color:#fff}.auth-card form{display:flex;flex-direction:column;gap:12px}.auth-card input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.auth-card input:focus{border-color:var(--accent)}.auth-card input::placeholder{color:var(--text-muted)}.auth-submit{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;border:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.auth-submit:hover{opacity:.9}.auth-submit:disabled{opacity:.5;cursor:default}.auth-error{margin-top:12px;padding:10px 14px;background:#ff6b6b15;border:1px solid #ff6b6b30;border-radius:var(--radius-sm);color:var(--danger);font-size:13px}.auth-hint{margin-top:16px;text-align:center;color:var(--text-muted);font-size:12px;line-height:1.5}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-container{display:flex;flex-direction:column;width:100%;height:100dvh}.chat-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-left{display:flex;align-items:center;gap:12px}.logo-small{width:36px;height:36px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#fff}.header-info h2{font-size:15px;font-weight:600}.status{font-size:12px;color:var(--text-muted)}.status.online{color:var(--success)}.status.online:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--success);margin-right:4px}.header-right{display:flex;align-items:center;gap:12px}.connection{font-size:11px;color:var(--danger);padding:4px 8px;border-radius:4px;background:#ff6b6b15}.connection.connected{color:var(--success);background:#51cf6615}.header-btn{padding:6px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;border-radius:6px;display:flex;transition:all .2s}.header-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.messages-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:4px}.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.history-loading{display:flex;justify-content:center;padding:12px}.history-end{text-align:center;font-size:12px;color:var(--text-muted);padding:12px}.date-separator{display:flex;align-items:center;justify-content:center;padding:16px 0 8px}.date-separator span{font-size:12px;color:var(--text-muted);background:var(--bg-tertiary);padding:4px 12px;border-radius:10px}.message{display:flex;gap:8px;max-width:75%;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.own{margin-left:auto;flex-direction:row-reverse}.msg-avatar{flex-shrink:0;align-self:flex-end}.avatar-bot,.avatar-user{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.avatar-bot{background:var(--accent);color:#fff}.avatar-user{background:var(--bg-tertiary);color:var(--text-secondary)}.msg-bubble{padding:8px 12px;border-radius:var(--radius);position:relative;min-width:60px}.message:not(.own) .msg-bubble{background:var(--msg-other);border-bottom-left-radius:4px}.message.bot .msg-bubble{background:var(--msg-bot);border-left:2px solid var(--accent-dim)}.message.own .msg-bubble{background:var(--msg-own);border-bottom-right-radius:4px}.msg-sender{font-size:12px;font-weight:600;color:var(--accent-light);margin-bottom:2px}.msg-text{font-size:14px;line-height:1.5;word-break:break-word}.msg-text code{background:#0000004d;padding:1px 5px;border-radius:4px;font-family:SF Mono,monospace;font-size:13px}.msg-text pre{background:#0006;padding:10px 12px;border-radius:6px;overflow-x:auto;margin:6px 0}.msg-text pre code{background:none;padding:0;border-radius:0;font-size:12px}.msg-text blockquote{border-left:3px solid rgba(255,255,255,.3);padding-left:10px;margin:6px 0;color:#ffffffb3}.msg-text a{color:#63b3ed;text-decoration:none}.msg-text a:hover{text-decoration:underline}.msg-time{font-size:10px;color:#fff6;text-align:right;margin-top:2px}.message.own .msg-time{color:#fff9}.msg-image img{max-width:280px;max-height:300px;border-radius:var(--radius-sm);display:block}.msg-voice audio{max-width:250px}.msg-video video{max-width:300px;border-radius:var(--radius-sm)}.msg-file{display:flex;align-items:center;gap:8px;color:var(--accent-light);text-decoration:none;font-size:13px}.msg-location{display:flex;align-items:center;gap:6px;color:var(--accent-light);text-decoration:none;font-size:13px}.typing-indicator{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:13px;color:var(--text-muted)}.typing-dots{display:flex;gap:3px}.typing-dots span{width:5px;height:5px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.media-panel{display:flex;gap:8px;padding:8px 16px;background:var(--bg-secondary);border-top:1px solid var(--border)}.media-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;border:none;background:var(--bg-tertiary);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;font-size:11px;transition:all .2s}.media-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.media-btn.recording{background:#ff6b6b30;color:var(--danger);animation:pulse 1s infinite}.media-btn.close{margin-left:auto}.input-area{display:flex;align-items:flex-end;gap:8px;padding:12px 16px;background:var(--bg-secondary);border-top:1px solid var(--border)}.input-btn{padding:8px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;border-radius:6px;display:flex;flex-shrink:0;transition:all .2s}.input-btn:hover{color:var(--accent-light)}.message-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:20px;background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;font-family:inherit;line-height:1.4;resize:none;outline:none;max-height:120px;overflow-y:auto;scrollbar-width:none;transition:border-color .2s}.message-input::-webkit-scrollbar{display:none}.message-input:focus{border-color:var(--accent)}.message-input::placeholder{color:var(--text-muted)}.send-btn{padding:8px;border:none;background:var(--accent);color:#fff;border-radius:50%;cursor:pointer;display:flex;flex-shrink:0;width:36px;height:36px;align-items:center;justify-content:center;transition:all .2s}.send-btn:hover{opacity:.9}.send-btn:disabled{opacity:.3;cursor:default}.mic-btn{padding:8px;border:none;background:transparent;color:var(--text-secondary);border-radius:50%;cursor:pointer;display:flex;flex-shrink:0;width:36px;height:36px;align-items:center;justify-content:center;transition:all .2s}.mic-btn:hover{color:var(--accent-light);background:var(--bg-hover)}.voice-recording{display:flex;align-items:center;gap:10px}.voice-cancel-btn{padding:6px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:50%;display:flex;transition:all .2s}.voice-cancel-btn:hover{color:var(--danger);background:#ff6b6b15}.voice-indicator{display:flex;align-items:center;gap:6px}.voice-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);animation:pulse 1s ease-in-out infinite}.voice-time{font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums;min-width:32px}@media(max-width:600px){.message{max-width:88%}.msg-image img{max-width:220px}.auth-card{padding:30px 20px}}