@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--md-primary: #6750a4;--md-on-primary: #ffffff;--md-primary-container: #eaddff;--md-on-primary-container: #21005d;--md-secondary: #625b71;--md-secondary-container: #e8def8;--md-surface: #fef7ff;--md-surface-dim: #ded8e1;--md-surface-container: #f3edf7;--md-surface-container-low: #f7f2fa;--md-surface-container-high: #ece6f0;--md-surface-container-highest: #e6e0e9;--md-on-surface: #1d1b20;--md-on-surface-variant: #49454f;--md-outline: #79747e;--md-outline-variant: #cac4d0;--md-error: #b3261e;--md-tertiary: #7d5260;--md-tertiary-container: #ffd8e4;--md-shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .06);--md-shadow-lg: 0 4px 16px rgba(0, 0, 0, .12), 0 2px 6px rgba(0, 0, 0, .08);--md-shadow-xl: 0 8px 28px rgba(0, 0, 0, .15), 0 2px 8px rgba(0, 0, 0, .1);--md-radius-sm: 8px;--md-radius-md: 12px;--md-radius-lg: 16px;--md-radius-xl: 28px;--sidebar-width: 300px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-emphasis: .35s cubic-bezier(.4, 0, .2, 1);--md-easing-standard: cubic-bezier(.2, 0, 0, 1);--md-easing-emphasized: cubic-bezier(.2, 0, 0, 1);--md-easing-decelerate: cubic-bezier(0, 0, 0, 1);--md-easing-accelerate: cubic-bezier(.3, 0, 1, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--md-surface);color:var(--md-on-surface);-webkit-font-smoothing:antialiased;overflow:hidden}.app-shell{display:flex;height:100vh}.ripple-effect{position:absolute;border-radius:50%;pointer-events:none;transform:scale(0)}.ripple-md2{background:#0000002e;animation:rippleMd2 .5s cubic-bezier(.4,0,.2,1) forwards}.ripple-md3{background:currentColor;opacity:.12;animation:rippleMd3 .6s var(--md-easing-standard) forwards}@keyframes rippleMd2{0%{transform:scale(0);opacity:.4}to{transform:scale(1);opacity:0}}@keyframes rippleMd3{0%{transform:scale(0);opacity:.12}40%{opacity:.12}to{transform:scale(1);opacity:0}}.celebration-container{position:fixed;pointer-events:none;z-index:9999;width:0;height:0}.celebration-particle{position:absolute;width:6px;height:6px;border-radius:50%;animation:particleBurst .6s var(--md-easing-decelerate) forwards}@keyframes particleBurst{0%{transform:translate(0) scale(1);opacity:1}to{transform:translate(var(--dx),var(--dy)) scale(0);opacity:0}}.pulse-success{animation:pulseSuccess .4s var(--md-easing-standard)}@keyframes pulseSuccess{0%{transform:scale(1)}30%{transform:scale(1.05)}to{transform:scale(1)}}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--md-surface-container-low);border-right:1px solid var(--md-outline-variant);display:flex;flex-direction:column;padding:0;overflow:hidden}.sidebar-header{display:flex;align-items:center;gap:12px;padding:24px 24px 16px}.sidebar-logo{font-size:32px;color:var(--md-primary)}.sidebar-title{font-size:24px;font-weight:700;color:var(--md-on-surface);letter-spacing:-.02em}.sidebar-nav{flex:1;overflow-y:auto;padding:4px 12px;scrollbar-width:thin;scrollbar-color:var(--md-outline-variant) transparent}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;border:none;border-radius:var(--md-radius-xl);background:transparent;color:var(--md-on-surface-variant);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s var(--md-easing-standard),color .2s var(--md-easing-standard),transform .1s ease;position:relative;text-align:left;margin-bottom:2px;overflow:hidden}.nav-item:hover{background:var(--md-surface-container-highest)}.nav-item:active{transform:scale(.98)}.nav-item.active{background:var(--md-secondary-container);color:var(--md-on-primary-container);font-weight:600}.nav-item.active .nav-icon{color:var(--md-on-primary-container)}.nav-icon{font-size:22px;color:var(--md-on-surface-variant);flex-shrink:0}.nav-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-task-count{font-size:11px;font-weight:600;min-width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:var(--md-surface-container-highest);color:var(--md-on-surface-variant);flex-shrink:0;transition:background .2s var(--md-easing-standard)}.nav-item.active .nav-task-count{background:var(--md-primary);color:var(--md-on-primary)}.nav-delete{display:flex;align-items:center;justify-content:center;border:none;background:none;color:var(--md-on-surface-variant);cursor:pointer;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast);padding:4px;border-radius:50%;font-size:0;flex-shrink:0}.nav-delete .material-symbols-outlined{font-size:18px}.nav-item:hover .nav-delete{opacity:1}.nav-item:hover .nav-task-count{display:none}.nav-delete:hover{color:var(--md-error);background:#b3261e14}.add-page-input{display:flex;align-items:center;gap:4px;padding:8px 12px}.add-page-input input{flex:1;padding:12px 16px;border:2px solid var(--md-primary);border-radius:var(--md-radius-xl);background:var(--md-surface);color:var(--md-on-surface);font:inherit;font-size:14px;outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.add-page-input input:focus{box-shadow:0 0 0 3px #6750a426}.icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:50%;background:none;color:var(--md-on-surface-variant);cursor:pointer;transition:background .2s var(--md-easing-standard);position:relative;overflow:hidden}.icon-btn:hover{background:var(--md-surface-container-highest)}.add-page-btn{display:flex;align-items:center;gap:12px;width:calc(100% - 24px);margin:4px 12px;padding:14px 16px;border:1.5px dashed var(--md-outline-variant);border-radius:var(--md-radius-xl);background:transparent;color:var(--md-primary);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s var(--md-easing-standard),border-color .2s var(--md-easing-standard),transform .1s ease;position:relative;overflow:hidden}.add-page-btn:hover{background:#6750a40d;border-color:var(--md-primary)}.add-page-btn:active{transform:scale(.98)}.add-page-btn .material-symbols-outlined{font-size:20px}.sidebar-actions{padding:12px;border-top:1px solid var(--md-outline-variant);display:flex;gap:8px}.action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;border:none;border-radius:var(--md-radius-md);background:var(--md-surface-container-high);color:var(--md-on-surface-variant);font:inherit;font-size:12px;font-weight:500;cursor:pointer;transition:background .2s var(--md-easing-standard),transform .1s ease;position:relative;overflow:hidden}.action-btn:hover{background:var(--md-surface-container-highest)}.action-btn:active{transform:scale(.97)}.action-btn .material-symbols-outlined{font-size:18px}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;background:var(--md-surface)}.content-header{padding:28px 32px 16px;display:flex;align-items:baseline;gap:16px}.page-title{font-size:28px;font-weight:700;color:var(--md-on-surface);letter-spacing:-.02em;line-height:1.2}.header-meta{display:flex;align-items:center;gap:8px;margin-top:4px}.task-count{font-size:13px;font-weight:500;color:var(--md-on-surface-variant);background:var(--md-surface-container-high);padding:4px 12px;border-radius:var(--md-radius-xl)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;opacity:.7;animation:fadeInUp .5s var(--md-easing-decelerate)}.empty-state.small{padding:64px 0;flex:0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:.7;transform:translateY(0)}}.empty-icon{font-size:72px;color:var(--md-outline-variant);margin-bottom:8px;animation:gentleBounce 3s ease-in-out infinite}@keyframes gentleBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.empty-title{font-size:20px;font-weight:600;color:var(--md-on-surface)}.empty-sub{font-size:14px;color:var(--md-on-surface-variant);max-width:280px;text-align:center;line-height:1.5}.task-sections{flex:1;overflow-y:auto;padding:0 32px 100px;scrollbar-width:thin;scrollbar-color:var(--md-outline-variant) transparent}.task-section{margin-bottom:16px}.section-label{font-size:12px;font-weight:600;color:var(--md-on-surface-variant);text-transform:uppercase;letter-spacing:.08em;padding:16px 0 8px}.task-item{display:flex;align-items:center;gap:12px;padding:14px 16px;margin-bottom:4px;border-radius:var(--md-radius-md);background:var(--md-surface-container-low);transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);animation:taskIn .25s cubic-bezier(0,0,.2,1)}@keyframes taskSlideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}.task-item:hover{background:var(--md-surface-container);box-shadow:var(--md-shadow);transform:translateY(-1px)}.task-item.done{opacity:.55;animation:taskComplete .35s var(--md-easing-standard)}@keyframes taskComplete{0%{opacity:1;transform:scale(1)}30%{transform:scale(.97)}60%{opacity:.7}to{opacity:.55;transform:scale(1)}}.task-item.done .task-text{text-decoration:line-through;color:var(--md-on-surface-variant)}.task-check{display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;color:var(--md-outline);transition:color var(--transition-fast),transform var(--transition-fast);padding:0}.task-check .material-symbols-outlined{font-size:26px}.task-check:hover{color:var(--md-primary);transform:scale(1.15)}.task-check:active{transform:scale(.9)}.task-check.checked{color:var(--md-primary);animation:checkBounce .4s var(--md-easing-emphasized)}@keyframes checkBounce{0%{transform:scale(1)}30%{transform:scale(1.3)}50%{transform:scale(.9)}70%{transform:scale(1.1)}to{transform:scale(1)}}.task-text{flex:1;font-size:15px;line-height:1.6;color:var(--md-on-surface)}.task-delete{display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;color:var(--md-on-surface-variant);opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast),transform .1s ease;padding:4px;border-radius:50%}.task-delete .material-symbols-outlined{font-size:20px}.task-item:hover .task-delete{opacity:1}.task-delete:hover{color:var(--md-error);transform:scale(1.1)}.fab{bottom:28px;right:28px;width:56px;height:56px;border:none;border-radius:var(--md-radius-lg);background:var(--md-primary-container);color:var(--md-on-primary-container);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--md-shadow-lg);transition:box-shadow .3s var(--md-easing-standard),transform .2s var(--md-easing-emphasized),background .2s var(--md-easing-standard);z-index:10;position:fixed;overflow:hidden}.fab:hover{box-shadow:var(--md-shadow-xl);transform:scale(1.06)}.fab:active{transform:scale(.92)}.fab .material-symbols-outlined{font-size:28px;transition:transform .3s var(--md-easing-emphasized)}.fab:hover .material-symbols-outlined{transform:rotate(90deg)}.dialog-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;animation:overlayIn .25s var(--md-easing-decelerate)}@keyframes overlayIn{0%{opacity:0}to{opacity:1}}.dialog{background:var(--md-surface-container-high);border-radius:var(--md-radius-xl);padding:28px;width:90%;max-width:400px;box-shadow:var(--md-shadow-xl);animation:dialogEnter .4s var(--md-easing-decelerate)}@keyframes dialogEnter{0%{opacity:0;transform:scale(.85) translateY(24px)}to{opacity:1;transform:scale(1) translateY(0)}}.dialog-title{font-size:22px;font-weight:600;margin-bottom:20px;color:var(--md-on-surface)}.dialog-input{width:100%;padding:14px 16px;border:2px solid var(--md-outline-variant);border-radius:var(--md-radius-sm);background:var(--md-surface);color:var(--md-on-surface);font:inherit;font-size:15px;outline:none;transition:border-color .2s var(--md-easing-standard),box-shadow .2s var(--md-easing-standard)}.dialog-input:focus{border-color:var(--md-primary);box-shadow:0 0 0 3px #6750a426}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}.dialog-btn{padding:12px 24px;border:none;border-radius:var(--md-radius-xl);background:transparent;color:var(--md-primary);font:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s var(--md-easing-standard),transform .1s ease;position:relative;overflow:hidden}.dialog-btn:hover{background:#6750a414}.dialog-btn:active{transform:scale(.97)}.dialog-btn.primary{background:var(--md-primary);color:var(--md-on-primary)}.dialog-btn.primary:hover{background:#7965af}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translate(-100%);transition:transform .35s var(--md-easing-emphasized);box-shadow:var(--md-shadow-xl)}.sidebar.open{transform:translate(0)}.content-header{padding:20px 20px 12px}.task-sections{padding:0 20px 100px}}