:root{--color-primary: #22c55e;--color-primary-dark: #16a34a;--color-primary-light: #4ade80;--color-secondary: #166534;--color-accent: #fbbf24;--bg-gradient: linear-gradient(135deg, #0f2417 0%, #1a3a2a 50%, #0d1f17 100%);--bg-card: rgba(34, 197, 94, .08);--bg-card-hover: rgba(34, 197, 94, .15);--bg-glass: rgba(255, 255, 255, .06);--bg-glass-strong: rgba(255, 255, 255, .1);--text-primary: #f0fdf4;--text-secondary: #86efac;--text-muted: #6b7280;--shadow-glow: 0 0 30px rgba(34, 197, 94, .3);--shadow-card: 0 8px 32px rgba(0, 0, 0, .3);--shadow-float: 0 20px 60px rgba(0, 0, 0, .4);--border-glass: 1px solid rgba(34, 197, 94, .2);--border-glass-strong: 1px solid rgba(34, 197, 94, .3);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px;--blur-sm: 8px;--blur-md: 16px;--blur-lg: 24px;--blur-xl: 40px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.34, 1.56, .64, 1)}[data-theme=light]{--bg-gradient: linear-gradient(135deg, #f8fdf9 0%, #f0faf4 50%, #e8f5ec 100%);--bg-card: rgba(34, 197, 94, .06);--bg-card-hover: rgba(34, 197, 94, .12);--bg-glass: rgba(250, 253, 251, .75);--bg-glass-strong: rgba(248, 252, 250, .9);--text-primary: #2d3748;--text-secondary: #059669;--text-muted: #718096;--shadow-glow: 0 0 24px rgba(34, 197, 94, .12);--shadow-card: 0 4px 24px rgba(34, 197, 94, .08);--shadow-float: 0 16px 48px rgba(34, 197, 94, .15);--border-glass: 1px solid rgba(34, 197, 94, .15);--border-glass-strong: 1px solid rgba(34, 197, 94, .25)}[data-theme=light] .stat-card{background:#fafdfbd9;box-shadow:0 4px 20px #22c55e14}[data-theme=light] .card{background:#fafdfbcc;box-shadow:0 4px 24px #22c55e1a}[data-theme=light] .btn-secondary{background:#fafdfbd9;color:#2d3748;border:1px solid rgba(34,197,94,.2)}[data-theme=light] .btn-secondary:hover{background:#22c55e1a}[data-theme=light] .input{background:#ffffffb3;color:#2d3748;border:1px solid rgba(34,197,94,.2)}[data-theme=light] .header{background:#fafdfbd9;border-bottom:1px solid rgba(34,197,94,.12)}[data-theme=light] .todo-item,[data-theme=light] .view-tab{background:#fafdfbcc}[data-theme=light] .modal-content{background:linear-gradient(135deg,#fafdfb,#f0faf4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-gradient);color:var(--text-primary);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.page{flex:1;padding:30px 0}.theme-toggle{width:44px;height:44px;border-radius:50%;border:var(--border-glass);background:var(--bg-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.25rem;transition:all .3s ease;color:var(--text-primary)}.theme-toggle:hover{background:var(--bg-card-hover);transform:rotate(15deg)}.tree-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-8px);background:#0f2417f2;color:#f0fdf4;padding:8px 12px;border-radius:8px;font-size:.8rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;z-index:100;pointer-events:none;box-shadow:0 4px 12px #0000004d}.tree-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:#0f2417f2}.tree-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:transform .3s ease}.tree-item:hover{transform:scale(1.1)}.tree-item:hover .tree-tooltip{opacity:1;visibility:visible;transform:translate(-50%) translateY(-12px)}.tree-item svg{filter:drop-shadow(0 4px 6px rgba(0,0,0,.3))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-fast)}.btn:hover:before{opacity:1}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 0 50px #22c55e80,0 10px 40px #22c55e4d}.btn-secondary{background:var(--bg-glass-strong);color:var(--text-primary);border:var(--border-glass);backdrop-filter:blur(var(--blur-md));-webkit-backdrop-filter:blur(var(--blur-md))}.btn-secondary:hover{background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:0 8px 24px #0003}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{transform:translateY(-2px)}.card{background:var(--bg-glass);backdrop-filter:blur(var(--blur-lg));-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--border-glass);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-float);border-color:#22c55e4d}.input{width:100%;padding:14px 18px;background:#0003;backdrop-filter:blur(var(--blur-sm));-webkit-backdrop-filter:blur(var(--blur-sm));border:var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;transition:all var(--transition-base)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 30px #22c55e40,inset 0 0 20px #22c55e0d;transform:scale(1.01)}.input::placeholder{color:var(--text-muted)}.header{display:flex;align-items:center;justify-content:space-between;padding:20px 40px;background:var(--bg-glass);backdrop-filter:blur(var(--blur-xl));-webkit-backdrop-filter:blur(var(--blur-xl));border-bottom:var(--border-glass);transition:all var(--transition-base)}.header-logo{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:700;color:var(--color-primary-light)}.header-logo svg{width:40px;height:40px}.header-nav{display:flex;align-items:center;gap:8px}.nav-link{padding:10px 20px;border-radius:var(--radius-md);color:var(--text-secondary);text-decoration:none;font-weight:500;transition:all var(--transition-base);position:relative;overflow:hidden}.nav-link:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--color-primary);transition:all var(--transition-base);transform:translate(-50%)}.nav-link:hover:after,.nav-link.active:after{width:60%}.nav-link:hover,.nav-link.active{background:var(--bg-card);color:var(--text-primary);transform:translateY(-1px)}.timer-container{display:flex;flex-direction:column;align-items:center;gap:30px;padding:40px}.timer-display{position:relative;width:300px;height:300px;display:flex;align-items:center;justify-content:center}.timer-circle{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:conic-gradient(var(--color-primary) calc(var(--progress) * 360deg),rgba(34,197,94,.2) 0deg);mask:radial-gradient(transparent 55%,black 55%);-webkit-mask:radial-gradient(transparent 55%,black 55%)}.timer-inner{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:200px;height:200px;background:var(--bg-glass);border-radius:50%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:var(--border-glass)}.timer-time{font-size:3.5rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-primary)}.timer-label{font-size:1rem;color:var(--text-secondary)}.timer-controls{display:flex;gap:16px}.duration-selector{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.duration-btn{padding:12px 20px;background:var(--bg-glass);border:var(--border-glass);border-radius:var(--radius-md);color:var(--text-secondary);font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.duration-btn:hover,.duration-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.tree-container{display:flex;flex-direction:column;align-items:center;gap:20px;padding:40px}.tree{transition:all 1s ease}.tree-small{transform:scale(.6)}.tree-medium{transform:scale(.8)}.tree-large{transform:scale(1)}@keyframes grow{0%{transform:scale(0);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.tree-growing{animation:grow 1.5s ease-out forwards}.tree-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;padding:30px}.todo-list{display:flex;flex-direction:column;gap:12px;max-width:600px;margin:0 auto}.todo-item{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-glass);backdrop-filter:blur(var(--blur-sm));-webkit-backdrop-filter:blur(var(--blur-sm));border:var(--border-glass);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}.todo-item:hover{background:var(--bg-card-hover);transform:translate(8px);box-shadow:-4px 4px 20px #22c55e26}.todo-item.selected{border-color:var(--color-primary);box-shadow:var(--shadow-glow),inset 0 0 20px #22c55e0d;transform:scale(1.02)}.todo-item.completed{opacity:.6}.todo-checkbox{width:24px;height:24px;border:2px solid var(--color-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.todo-checkbox.checked{background:var(--color-primary)}.todo-content{flex:1}.todo-title{font-weight:600;color:var(--text-primary)}.todo-description{font-size:.875rem;color:var(--text-muted);margin-top:4px}.todo-progress{width:60px;height:6px;background:#22c55e33;border-radius:3px;overflow:hidden}.todo-progress-bar{height:100%;background:var(--color-primary);transition:width .3s ease}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.stat-card{padding:24px;background:var(--bg-glass);backdrop-filter:blur(var(--blur-md));-webkit-backdrop-filter:blur(var(--blur-md));border:var(--border-glass);border-radius:var(--radius-lg);text-align:center;transition:all var(--transition-base)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float)}.stat-value{font-size:2.5rem;font-weight:700;color:var(--color-primary-light)}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-top:8px}.heatmap{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;padding:20px}.heatmap-cell{aspect-ratio:1;border-radius:6px;background:rgba(34,197,94,var(--intensity, .1));transition:all var(--transition-bounce);cursor:pointer;position:relative}.heatmap-cell:hover{transform:scale(1.3);z-index:10;box-shadow:0 4px 12px #22c55e4d}.heatmap-cell.level-0{--intensity: .05}.heatmap-cell.level-1{--intensity: .2}.heatmap-cell.level-2{--intensity: .4}.heatmap-cell.level-3{--intensity: .6}.heatmap-cell.level-4{--intensity: .8}.view-tabs{display:flex;gap:8px;margin-bottom:30px;justify-content:center}.view-tab{padding:10px 24px;background:var(--bg-glass);backdrop-filter:blur(var(--blur-sm));-webkit-backdrop-filter:blur(var(--blur-sm));border:var(--border-glass);border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;cursor:pointer;transition:all var(--transition-base)}.view-tab:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.view-tab:hover,.view-tab.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;backdrop-filter:blur(var(--blur-sm));-webkit-backdrop-filter:blur(var(--blur-sm));display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .3s cubic-bezier(.4,0,.2,1)}.modal-content{background:var(--bg-gradient);backdrop-filter:blur(var(--blur-xl));-webkit-backdrop-filter:blur(var(--blur-xl));border:var(--border-glass-strong);border-radius:var(--radius-xl);padding:32px;max-width:480px;width:100%;box-shadow:var(--shadow-float);animation:slideUp .4s cubic-bezier(.34,1.56,.64,1)}.modal-title{font-size:1.5rem;margin-bottom:20px;text-align:center}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.percentage-selector{display:flex;flex-direction:column;gap:16px}.percentage-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:10px;background:#22c55e33;border-radius:var(--radius-full);outline:none;transition:all var(--transition-base)}.percentage-slider:hover{background:#22c55e4d}.percentage-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:28px;height:28px;background:var(--color-primary);border-radius:50%;cursor:pointer;box-shadow:var(--shadow-glow);transition:all var(--transition-base)}.percentage-slider::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 0 30px #22c55e99}.percentage-value{text-align:center;font-size:2rem;font-weight:700;color:var(--color-primary-light)}.focus-layout{display:grid;grid-template-columns:1fr 400px;gap:40px;align-items:start}.selected-task-banner{position:relative;z-index:10;padding:12px 16px;background:var(--bg-card);border-radius:var(--radius-md);margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.selected-task-info{flex:1;min-width:0}.selected-task-label{color:var(--text-muted);font-size:.875rem}.selected-task-title{font-weight:600;word-break:break-word}.selected-task-cancel{padding:6px 12px;font-size:.875rem;flex-shrink:0}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.login-card{max-width:420px;width:100%;text-align:center}.login-icon{width:80px;height:80px;margin:0 auto 24px}.login-title{font-size:2rem;margin-bottom:8px}.login-subtitle{color:var(--text-secondary);margin-bottom:32px}.login-form{display:flex;flex-direction:column;gap:16px}.login-error{padding:12px;background:#ef444433;border:1px solid rgba(239,68,68,.4);border-radius:var(--radius-md);color:#fca5a5;font-size:.875rem}@media (max-width: 768px){.header{flex-direction:column;gap:16px;padding:16px 20px}.header-logo{font-size:1.25rem}.header-logo svg{width:32px;height:32px}.header-nav{width:100%;justify-content:center;flex-wrap:wrap}.nav-link{padding:8px 14px;font-size:.875rem}.page{padding:20px 12px}.container{padding:0 12px}.timer-container{padding:20px;gap:20px;width:100%;display:flex;flex-direction:column;align-items:center}.timer-display{width:220px;height:220px;margin:0 auto}.timer-inner{width:155px;height:155px;overflow:hidden}.timer-inner>div{transform:scale(.85)}.timer-time{font-size:2rem}.timer-label{font-size:.8rem}.timer-controls{flex-wrap:wrap;justify-content:center}.timer-controls .btn{padding:10px 16px;font-size:.875rem}.duration-selector{gap:8px}.duration-btn{padding:10px 14px;font-size:.875rem}.card{padding:16px;border-radius:var(--radius-md)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}.stat-card{padding:16px}.stat-value{font-size:1.75rem}.stat-label{font-size:.75rem}.view-tabs{flex-wrap:wrap;gap:6px}.view-tab{padding:8px 14px;font-size:.875rem}.todo-item{padding:12px 14px;gap:12px}.todo-title{font-size:.9rem}.todo-description{font-size:.8rem}.modal-content{padding:20px;margin:16px;border-radius:var(--radius-lg)}.modal-title{font-size:1.25rem}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.btn{padding:10px 18px;font-size:.9rem}.heatmap{padding:12px;gap:3px}.heatmap-cell{border-radius:3px}.tree-grid{gap:12px;padding:16px}.focus-layout{display:flex;flex-direction:column;gap:20px}.focus-timer-section{order:1;display:flex;justify-content:center}.focus-timer-section .card{width:100%;display:flex;flex-direction:column;align-items:center;text-align:center}.focus-timer-section .card .timer-container{width:100%;display:flex!important;flex-direction:column!important;align-items:center!important}.focus-timer-section .card .timer-display{margin:0 auto!important}.focus-timer-section .card .timer-controls{display:flex;justify-content:center;width:100%}.focus-todo-section{order:2}.selected-task-banner{flex-direction:column;align-items:flex-start;gap:8px;padding:10px 14px;width:100%}.selected-task-cancel{width:100%;text-align:center}.timer-container{width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}.timer-display{margin:0 auto}.timer-controls{justify-content:center}.date-picker-container{flex-direction:column;gap:12px;padding:12px}.date-picker-container .btn{width:100%}.date-picker-row{display:flex;gap:8px;width:100%}.date-picker-row .btn{flex:1}.stats-header{flex-direction:column;gap:12px}.stats-header .view-tabs{width:100%;order:2}.stats-header .btn{width:100%;order:1}.tree-grid{gap:8px;padding:12px}.tree-item svg{width:40px;height:48px}.task-chart-container{padding:16px}.task-pie-chart{width:150px;height:150px}.task-bar{height:20px}}@media (max-width: 480px){.header{padding:12px 16px}.header-nav{gap:4px}.nav-link{padding:6px 10px;font-size:.8rem}.timer-display{width:200px;height:200px;margin:0 auto}.timer-inner{width:140px;height:140px;overflow:hidden}.timer-inner>div{transform:scale(.75)}.timer-time{font-size:1.8rem!important}.duration-btn{padding:8px 12px;font-size:.8rem}.stats-grid{grid-template-columns:1fr 1fr;gap:8px}.stat-card{padding:12px}.stat-value{font-size:1.5rem}.view-tabs{width:100%}.view-tab{flex:1;padding:8px;font-size:.75rem;text-align:center}.percentage-value,.login-title{font-size:1.5rem}.login-icon{width:60px;height:60px}.tree-item svg{width:32px;height:40px}.task-pie-chart{width:120px;height:120px}}.date-picker-container{display:flex;align-items:center;justify-content:center;gap:16px;padding:12px;background:var(--bg-glass);border-radius:var(--radius-md);border:var(--border-glass);flex-wrap:wrap}