:root{--bg-primary: #0f0f13;--bg-secondary: #16161d;--bg-tertiary: #1e1e28;--bg-hover: #252532;--accent: #6c5ce7;--accent-light: #a29bfe;--accent-glow: rgba(108, 92, 231, .15);--text-primary: #e8e8ed;--text-secondary: #8b8b9e;--text-muted: #5a5a6e;--border: rgba(255, 255, 255, .06);--border-active: rgba(108, 92, 231, .4);--success: #00b894;--warning: #fdcb6e;--danger: #e17055;--radius: 12px;--radius-sm: 8px;--radius-xs: 6px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:Inter,ui-sans-serif,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px 20px 16px;border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:10px}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent-light));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}.logo-text{font-size:1.1rem;font-weight:700;letter-spacing:-.02em}.logo-sub{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;border:none;background:none;color:var(--text-secondary);font-size:.88rem;font-family:inherit;width:100%;text-align:left}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-glow);color:var(--accent-light);border:1px solid var(--border-active)}.nav-icon{font-size:1.15rem;width:24px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid var(--border)}.streak-badge{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:.82rem}.streak-count{font-weight:700;color:var(--warning)}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.main-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.main-header h2{font-size:1.1rem;font-weight:600}.main-content{flex:1;overflow-y:auto;padding:24px}.chat-container{display:flex;flex-direction:column;height:100%;max-width:800px;margin:0 auto;width:100%}.chat-messages{flex:1;overflow-y:auto;padding:8px 0;display:flex;flex-direction:column;gap:16px}.message{display:flex;gap:12px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-avatar{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.message.user .message-avatar{background:var(--accent)}.message.assistant .message-avatar{background:linear-gradient(135deg,#00b894,#00cec9)}.message-body{flex:1;min-width:0}.message-name{font-size:.78rem;font-weight:600;margin-bottom:4px;color:var(--text-secondary)}.message-text{font-size:.9rem;line-height:1.65;color:var(--text-primary)}.message-text p{margin-bottom:8px}.message-text p:last-child{margin-bottom:0}.message-text code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:.84rem;font-family:SF Mono,Fira Code,monospace}.message-text ul,.message-text ol{padding-left:20px;margin:6px 0}.message-text li{margin-bottom:4px}.message-text strong{color:var(--accent-light)}.chat-input-area{padding:16px 0 0;flex-shrink:0}.quick-actions{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.quick-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-secondary);font-size:.78rem;cursor:pointer;transition:all .15s;font-family:inherit}.quick-btn:hover{border-color:var(--border-active);color:var(--accent-light);background:var(--accent-glow)}.chat-input-wrapper{display:flex;gap:10px;align-items:flex-end}.chat-input{flex:1;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:.9rem;font-family:inherit;resize:none;min-height:44px;max-height:120px;outline:none;transition:border-color .15s}.chat-input:focus{border-color:var(--border-active)}.chat-input::placeholder{color:var(--text-muted)}.send-btn{width:44px;height:44px;border-radius:var(--radius);border:none;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all .15s;flex-shrink:0}.send-btn:hover{background:var(--accent-light)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.tasks-section{max-width:700px;margin:0 auto;width:100%}.task-input-row{display:flex;gap:10px;margin-bottom:20px}.task-input{flex:1;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none}.task-input:focus{border-color:var(--border-active)}.task-input::placeholder{color:var(--text-muted)}.add-task-btn{padding:12px 20px;border-radius:var(--radius);border:none;background:var(--accent);color:#fff;font-size:.88rem;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s;white-space:nowrap}.add-task-btn:hover{background:var(--accent-light)}.task-filters{display:flex;gap:6px;margin-bottom:16px}.filter-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:.78rem;cursor:pointer;font-family:inherit;transition:all .15s}.filter-btn.active{background:var(--accent-glow);border-color:var(--border-active);color:var(--accent-light)}.task-list{display:flex;flex-direction:column;gap:6px}.task-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-sm);background:var(--bg-secondary);border:1px solid var(--border);transition:all .15s}.task-item:hover{border-color:#ffffff1a}.task-checkbox{width:20px;height:20px;border-radius:50%;border:2px solid var(--text-muted);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s;font-size:11px;color:transparent}.task-checkbox.checked{background:var(--success);border-color:var(--success);color:#fff}.task-text{flex:1;font-size:.9rem}.task-text.done{text-decoration:line-through;color:var(--text-muted)}.task-priority{font-size:.7rem;padding:2px 8px;border-radius:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.priority-high{background:#e1705526;color:var(--danger)}.priority-medium{background:#fdcb6e26;color:var(--warning)}.priority-low{background:#00b89426;color:var(--success)}.task-delete{width:28px;height:28px;border-radius:var(--radius-xs);border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.85rem;transition:all .15s}.task-delete:hover{background:#e1705526;color:var(--danger)}.task-meta{display:flex;align-items:center;gap:8px}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-state-icon{font-size:2.5rem;margin-bottom:12px}.empty-state-text{font-size:.9rem}.timer-section{max-width:500px;margin:0 auto;width:100%;text-align:center}.timer-display{font-size:5rem;font-weight:700;letter-spacing:-.03em;margin:32px 0;font-variant-numeric:tabular-nums;color:var(--text-primary)}.timer-label{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.1em}.timer-controls{display:flex;justify-content:center;gap:12px;margin-bottom:32px}.timer-btn{padding:12px 28px;border-radius:var(--radius);border:none;font-size:.9rem;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s}.timer-btn.primary{background:var(--accent);color:#fff}.timer-btn.primary:hover{background:var(--accent-light)}.timer-btn.secondary{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border)}.timer-btn.secondary:hover{color:var(--text-primary);border-color:#ffffff1f}.timer-presets{display:flex;justify-content:center;gap:8px;margin-bottom:32px}.preset-btn{padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:.8rem;cursor:pointer;font-family:inherit;transition:all .15s}.preset-btn.active{background:var(--accent-glow);border-color:var(--border-active);color:var(--accent-light)}.timer-sessions{display:flex;justify-content:center;gap:8px;margin-top:24px}.session-dot{width:10px;height:10px;border-radius:50%;background:var(--bg-tertiary);border:1px solid var(--border)}.session-dot.completed{background:var(--accent);border-color:var(--accent)}.timer-progress{width:220px;height:220px;border-radius:50%;margin:0 auto 16px;position:relative;display:flex;align-items:center;justify-content:center}.timer-progress-ring{position:absolute;top:0;left:0;width:100%;height:100%}.timer-progress-inner{position:relative;z-index:1}.notes-section{max-width:700px;margin:0 auto;width:100%}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:16px}.note-card{padding:16px;border-radius:var(--radius);border:1px solid var(--border);cursor:pointer;transition:all .15s;min-height:120px;display:flex;flex-direction:column}.note-card:hover{border-color:#ffffff1f;transform:translateY(-2px)}.note-card-title{font-size:.88rem;font-weight:600;margin-bottom:8px}.note-card-body{font-size:.8rem;color:var(--text-secondary);flex:1;overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}.note-card-date{font-size:.7rem;color:var(--text-muted);margin-top:8px}.note-card-color-0{background:#6c5ce714}.note-card-color-1{background:#00b89414}.note-card-color-2{background:#fdcb6e14}.note-card-color-3{background:#e1705514}.note-card-color-4{background:#a29bfe14}.add-note-card{border:2px dashed var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.85rem;gap:8px;min-height:120px;cursor:pointer;transition:all .15s;background:transparent;font-family:inherit;width:100%}.add-note-card:hover{border-color:var(--border-active);color:var(--accent-light)}.note-editor{display:flex;flex-direction:column;gap:12px}.note-editor input{padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;font-weight:600;font-family:inherit;outline:none}.note-editor input:focus{border-color:var(--border-active)}.note-editor textarea{padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;resize:vertical;min-height:200px;line-height:1.65}.note-editor textarea:focus{border-color:var(--border-active)}.note-editor-actions{display:flex;gap:10px;justify-content:flex-end}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff2e}.stats-bar{display:flex;gap:16px;margin-bottom:24px}.stat-card{flex:1;padding:16px;border-radius:var(--radius);background:var(--bg-secondary);border:1px solid var(--border)}.stat-value{font-size:1.5rem;font-weight:700}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-top:2px}@media(max-width:768px){.sidebar{width:60px}.logo-text,.logo-sub,.nav-label,.sidebar-footer{display:none}.nav-item{justify-content:center;padding:12px}.nav-icon{width:auto}.sidebar-header{padding:16px 12px}.main-content{padding:16px}.stats-bar{flex-direction:column}}