:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-hover: #475569;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #334155;--radius: 8px;--header-h: 56px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.app{display:flex;flex-direction:column;height:100vh}.header{height:var(--header-h);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 12px;gap:8px;flex-shrink:0;z-index:100}.header-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);font-size:20px;color:var(--text-secondary);transition:background .15s}.header-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.header-btn.active{background:var(--accent);color:#fff}.header-title{font-size:18px;font-weight:600;flex:1;margin-left:4px}.model-picker{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);padding:6px 10px;border-radius:var(--radius);font-size:13px;max-width:180px;cursor:pointer}.main{display:flex;flex:1;overflow:hidden;position:relative}.sidebar{width:300px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:transform .2s ease}.sidebar-header{padding:12px;border-bottom:1px solid var(--border)}.search-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);padding:8px 12px;border-radius:var(--radius);font-size:13px;outline:none}.search-input:focus{border-color:var(--accent)}.task-list{flex:1;overflow-y:auto;padding:4px}.task-item{padding:10px 12px;border-radius:var(--radius);cursor:pointer;transition:background .12s;margin-bottom:2px}.task-item:hover{background:var(--bg-tertiary)}.task-item.active{background:var(--accent)}.task-item-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.task-item.active .task-item-name{color:#fff}.task-item-badges{display:flex;gap:6px;align-items:center}.badge{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-p0{background:#7f1d1d;color:#fca5a5}.badge-p1{background:#78350f;color:#fcd34d}.badge-p2{background:#1e3a5f;color:#93c5fd}.badge-p3{background:#374151;color:#9ca3af}.status-badge{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.status-todo{background:#374151;color:#9ca3af}.status-wip{background:#78350f;color:#fcd34d}.status-blocked{background:#7f1d1d;color:#fca5a5}.status-done{background:#14532d;color:#86efac}.status-default{background:#374151;color:#9ca3af}.chat{flex:1;display:flex;flex-direction:column;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding:16px}.message{margin-bottom:16px;max-width:85%;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.user{margin-left:auto}.message-bubble{padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.message.user .message-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--bg-secondary);border:1px solid var(--border);border-bottom-left-radius:4px}.message.assistant{max-width:85%}.reasoning-block{background:#1e1e2e;border:1px solid #45475a;border-radius:var(--radius);margin-bottom:8px;overflow:hidden}.reasoning-header{padding:8px 12px;cursor:pointer;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);-webkit-user-select:none;user-select:none}.reasoning-header:hover{color:var(--text-primary)}.reasoning-toggle{font-size:10px;transition:transform .15s}.reasoning-block.open .reasoning-toggle{transform:rotate(90deg)}.reasoning-content{padding:8px 12px;font-size:13px;color:var(--text-muted);white-space:pre-wrap;border-top:1px solid #45475a;font-style:italic;line-height:1.5}.tool-call-chip{background:#1a2e1a;border:1px solid #2d5a2d;border-radius:var(--radius);margin-bottom:8px;overflow:hidden}.tool-call-header{padding:6px 12px;cursor:pointer;display:flex;align-items:center;gap:6px;font-size:12px;color:#86efac;-webkit-user-select:none;user-select:none}.tool-call-header:hover{background:#ffffff08}.tool-call-toggle{font-size:10px;transition:transform .15s}.tool-call-chip.open .tool-call-toggle{transform:rotate(90deg)}.tool-call-args{padding:4px 12px;font-size:11px;color:var(--text-muted);font-family:Fira Code,monospace}.tool-call-result{padding:8px 12px;font-size:12px;color:var(--text-secondary);white-space:pre-wrap;border-top:1px solid #2d5a2d;font-family:Fira Code,monospace;max-height:300px;overflow-y:auto}.status-banner{text-align:center;padding:4px 12px;font-size:12px;color:var(--text-muted);margin-bottom:8px}.chat-input-area{padding:12px 16px;border-top:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.chat-input-row{display:flex;gap:8px;align-items:flex-end}.chat-input{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);padding:10px 14px;border-radius:12px;font-size:14px;resize:none;min-height:42px;max-height:120px;outline:none;line-height:1.4}.chat-input:focus{border-color:var(--accent)}.send-btn{width:42px;height:42px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;transition:background .15s}.send-btn:hover{background:var(--accent-hover)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;z-index:999}.login-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:32px;width:340px;max-width:90vw}.login-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px}.login-subtitle{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:24px}.login-field{margin-bottom:16px}.login-label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:4px}.login-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);padding:10px 14px;border-radius:var(--radius);font-size:14px;outline:none}.login-input:focus{border-color:var(--accent)}.login-btn{width:100%;background:var(--accent);color:#fff;padding:12px;border-radius:var(--radius);font-size:15px;font-weight:600;margin-top:8px;transition:background .15s}.login-btn:hover{background:var(--accent-hover)}.login-error{color:var(--danger);font-size:13px;text-align:center;margin-top:8px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:8px}.empty-state-icon{font-size:48px}.empty-state-text{font-size:15px}.session-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:2px 8px;border-radius:4px;margin-left:8px}.session-active{background:#14532d;color:#86efac}.session-idle{background:#374151;color:#9ca3af}.session-running-elsewhere{background:#78350f;color:#fcd34d}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200}.modal-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:24px;width:360px;max-width:90vw;text-align:center}.modal-title{font-size:18px;font-weight:600;margin-bottom:8px}.modal-text{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.modal-btn{padding:8px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;margin:0 4px}.modal-btn-primary{background:var(--accent);color:#fff}.modal-btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.info-banner{background:#1e3a5f;border-bottom:1px solid #3b82f6;padding:6px 16px;font-size:12px;color:#93c5fd;text-align:center}.mobile-overlay{display:none}@media(max-width:768px){.sidebar{position:fixed;top:var(--header-h);bottom:0;left:0;z-index:50;width:280px;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;top:var(--header-h);background:#00000080;z-index:40}.model-picker{max-width:120px;font-size:12px}.message{max-width:95%}.header-title{font-size:16px}}.tts-btn{font-size:18px}.tts-btn.active{color:var(--success)}.typing-indicator{display:flex;gap:4px;padding:8px 0}.typing-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:typing 1.4s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}