*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--primary-light: #818cf8;--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--border-hover: #cbd5e1;--success-color: #10b981;--success-light: #d1fae5;--danger-color: #ef4444;--danger-light: #fee2e2;--warning-color: #f59e0b;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}.dark-mode{--primary-color: #818cf8;--primary-hover: #6366f1;--primary-light: #a5b4fc;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border-color: #334155;--border-hover: #475569;--success-color: #34d399;--success-light: #064e3b;--danger-color: #f87171;--danger-light: #7f1d1d;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .6)}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-primary);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background-color var(--transition-base),color var(--transition-base)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:var(--radius-full)}.container{width:100%;max-width:42rem;margin:0 auto;padding:0 var(--spacing-md)}@media(max-width:1024px){.container{max-width:100%;padding:0 var(--spacing-lg)}}@media(max-width:768px){html{font-size:14px}.container{padding:0 var(--spacing-md)}}@media(max-width:480px){html{font-size:13px}.container{padding:0 var(--spacing-sm)}}@media(max-width:360px){html{font-size:12.5px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.app{min-height:100vh;display:flex;flex-direction:column}.app-main.with-sidebar{flex:1;margin-left:280px;margin-top:4rem;padding:var(--spacing-2xl) 0;transition:margin-left var(--transition-base)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-2xl);animation:fadeIn var(--transition-base);gap:var(--spacing-lg)}.page-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0;letter-spacing:-.02em}.page-subtitle{font-size:1rem;color:var(--text-secondary);margin:0}.calendar-section{margin-bottom:var(--spacing-2xl);animation:scaleIn var(--transition-base)}.date-filter-banner{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background:linear-gradient(135deg,#6366f11a,#4f46e51a);border:2px solid var(--primary-color);border-radius:var(--radius-lg);margin-bottom:var(--spacing-xl);animation:slideIn var(--transition-base)}.date-filter-banner span{font-size:.9375rem;font-weight:600;color:var(--primary-color)}.clear-filter-btn{padding:var(--spacing-sm) var(--spacing-md);background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:var(--font-primary);min-height:44px;min-width:44px}.clear-filter-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.clear-filter-btn:active{transform:scale(.95)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl);animation:scaleIn var(--transition-base)}.stat-card{display:flex;align-items:center;gap:var(--spacing-lg);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base);position:relative;overflow:hidden;min-height:80px}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;transition:all var(--transition-base)}.stat-card.total:before{background:linear-gradient(90deg,var(--primary-color) 0%,var(--primary-hover) 100%)}.stat-card.pending:before{background:linear-gradient(90deg,#f59e0b,#d97706)}.stat-card.completed:before{background:linear-gradient(90deg,var(--success-color) 0%,#059669 100%)}.stat-card.overdue:before{background:linear-gradient(90deg,var(--danger-color) 0%,#dc2626 100%)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}@media(hover:none)and (pointer:coarse){.stat-card:hover{transform:none}.stat-card:active{transform:scale(.98)}}.stat-icon{display:flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;border-radius:var(--radius-lg);flex-shrink:0}.stat-card.total .stat-icon{background:linear-gradient(135deg,#6366f126,#4f46e526);color:var(--primary-color)}.stat-card.pending .stat-icon{background:linear-gradient(135deg,#f59e0b26,#d9770626);color:#f59e0b}.stat-card.completed .stat-icon{background:linear-gradient(135deg,#10b98126,#05966926);color:var(--success-color)}.stat-card.overdue .stat-icon{background:linear-gradient(135deg,#ef444426,#dc262626);color:var(--danger-color)}.stat-icon svg{width:2rem;height:2rem;fill:currentColor}.stat-content{display:flex;flex-direction:column;gap:var(--spacing-xs)}.stat-number{font-size:2rem;font-weight:700;color:var(--text-primary);line-height:1}.stat-label{font-size:.875rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.empty-state{text-align:center;padding:var(--spacing-2xl) var(--spacing-md);animation:fadeIn var(--transition-slow)}.empty-icon{font-size:4rem;margin-bottom:var(--spacing-lg);opacity:.5;animation:pulse 2s ease-in-out infinite}.empty-state h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--spacing-sm);font-weight:600}.empty-state p{font-size:1rem;color:var(--text-secondary)}.app-footer.with-sidebar{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:var(--spacing-lg);text-align:center;color:var(--text-secondary);font-size:.875rem;margin-left:280px;transition:margin-left var(--transition-base)}@media(max-width:1280px){.container{padding:0 var(--spacing-lg)}}@media(max-width:1024px){.app-main.with-sidebar,.app-footer.with-sidebar{margin-left:240px}.stats-grid{grid-template-columns:repeat(2,1fr)}.page-title{font-size:1.75rem}}@media(max-width:768px){.app-main.with-sidebar,.app-footer.with-sidebar{margin-left:200px}.page-title{font-size:1.5rem}.page-subtitle{font-size:.875rem}.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.stats-grid{gap:var(--spacing-md)}.stat-card{padding:var(--spacing-md)}.stat-icon{width:3rem;height:3rem}.stat-icon svg{width:1.5rem;height:1.5rem}.stat-number{font-size:1.5rem}.stat-label{font-size:.75rem}}@media(max-width:640px){.app-main.with-sidebar{margin-left:0;padding:var(--spacing-xl) 0;margin-top:3.5rem}.app-footer.with-sidebar{margin-left:0;padding:var(--spacing-md)}.container{padding:0 var(--spacing-md)}.stats-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}.page-header{margin-bottom:var(--spacing-lg)}.page-title{font-size:1.375rem}.date-filter-banner{flex-direction:column;gap:var(--spacing-sm);text-align:center;padding:var(--spacing-sm) var(--spacing-md)}.date-filter-banner span{font-size:.875rem}.clear-filter-btn{width:100%}}@media(max-width:480px){.page-title{font-size:1.25rem;line-height:1.3}.page-subtitle{font-size:.8125rem}.empty-icon{font-size:3rem}.empty-state h3{font-size:1.25rem}.empty-state p{font-size:.875rem}.stat-card{flex-direction:column;text-align:center;gap:var(--spacing-sm);padding:var(--spacing-sm)}.stat-icon{width:2.5rem;height:2.5rem}.stat-icon svg{width:1.25rem;height:1.25rem}.stat-number{font-size:1.25rem}.stat-label{font-size:.6875rem}}@media(max-width:320px){.page-title{font-size:1.125rem}.stat-card{min-height:60px}}@media(hover:none)and (pointer:coarse){.clear-filter-btn{min-height:48px;padding:var(--spacing-md) var(--spacing-lg)}.stat-card:hover{transform:none}.clear-filter-btn:active{opacity:.8}}@media(max-height:500px)and (orientation:landscape){.app-main.with-sidebar{padding:var(--spacing-lg) 0}.page-header{margin-bottom:var(--spacing-md)}.stats-grid{grid-template-columns:repeat(4,1fr);gap:var(--spacing-sm)}.stat-card{flex-direction:row;padding:var(--spacing-sm)}}.theme-toggle{background:#fff3;border:2px solid rgba(255,255,255,.3);border-radius:var(--radius-full);padding:var(--spacing-xs);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-base)}.theme-toggle:hover{background:#ffffff4d;transform:scale(1.05)}.theme-toggle:active{transform:scale(.95)}.toggle-track{width:4rem;height:2rem;border-radius:var(--radius-full);position:relative;transition:all var(--transition-base)}.toggle-track.light{background:linear-gradient(135deg,#fbbf24,#f59e0b)}.toggle-track.dark{background:linear-gradient(135deg,#6366f1,#4f46e5)}.toggle-thumb{position:absolute;top:.125rem;width:1.75rem;height:1.75rem;background:#fff;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.toggle-track.light .toggle-thumb{left:.125rem}.toggle-track.dark .toggle-thumb{left:calc(100% - 1.875rem)}.theme-icon{width:1rem;height:1rem;fill:currentColor;transition:all var(--transition-base)}.toggle-track.light .theme-icon{color:#f59e0b}.toggle-track.dark .theme-icon{color:#4f46e5}@media(max-width:1024px){.toggle-track{width:3.75rem;height:1.9rem}.toggle-thumb{width:1.65rem;height:1.65rem}.toggle-track.dark .toggle-thumb{left:calc(100% - 1.8rem)}}@media(max-width:768px){.toggle-track{width:3.6rem;height:1.8rem}.toggle-thumb{width:1.55rem;height:1.55rem}.theme-icon{width:.95rem;height:.95rem}.toggle-track.dark .toggle-thumb{left:calc(100% - 1.7rem)}}@media(max-width:480px){.toggle-track{width:3.5rem;height:1.75rem}.toggle-thumb{width:1.5rem;height:1.5rem}.theme-icon{width:.875rem;height:.875rem}.toggle-track.dark .toggle-thumb{left:calc(100% - 1.625rem)}}@media(max-width:360px){.toggle-track{width:3.25rem;height:1.6rem}.toggle-thumb{width:1.4rem;height:1.4rem}.toggle-track.dark .toggle-thumb{left:calc(100% - 1.525rem)}}@media(hover:none)and (pointer:coarse){.theme-toggle:hover{transform:none}.theme-toggle{padding:calc(var(--spacing-xs) + .1rem)}}.navbar{position:fixed;top:0;left:0;right:0;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;box-shadow:var(--shadow-lg);z-index:1000;height:4rem;display:flex;align-items:center;transition:all var(--transition-base)}.navbar-container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-lg);display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-lg)}.navbar-left{display:flex;align-items:center;gap:var(--spacing-sm)}.menu-toggle-btn{display:none;background:transparent;border:none;color:#fff;padding:.5rem;cursor:pointer;border-radius:var(--radius-md);transition:all var(--transition-base)}.menu-toggle-btn:hover{background:#fff3}.menu-toggle-btn svg{width:1.75rem;height:1.75rem;fill:currentColor}.navbar-brand{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:#fff}.navbar-icon{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;background:#fff3;border-radius:var(--radius-md);font-size:1.5rem;font-weight:800;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.navbar-title{font-size:1.5rem;font-weight:700;margin:0;letter-spacing:-.02em}.navbar-links{display:flex;gap:var(--spacing-sm);flex:1;justify-content:center}.nav-link{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-lg);color:#fff;text-decoration:none;font-weight:600;font-size:.875rem;transition:all var(--transition-base);background:transparent;border:2px solid transparent;min-height:44px}.nav-link-button{cursor:pointer;font-family:var(--font-primary)}.nav-link:hover{background:#ffffff26;transform:translateY(-2px)}.nav-link.active{background:#fff;color:var(--primary-color);box-shadow:var(--shadow-md)}.nav-link:active{transform:translateY(0)}.nav-icon{width:1.25rem;height:1.25rem;fill:currentColor}.navbar-actions{display:flex;align-items:center;gap:var(--spacing-md)}@media(max-width:768px){.navbar-container{padding:.5rem 1rem}.navbar-title{font-size:1.25rem}.navbar-links{gap:var(--spacing-xs)}.nav-link span{display:none}.nav-link{padding:var(--spacing-sm);min-width:44px}}@media(max-width:640px){.navbar{height:3.5rem}.navbar-container{padding:0 var(--spacing-md)}.navbar-icon{width:2rem;height:2rem;font-size:1.25rem}.menu-toggle-btn{display:flex}.nav-link.active{box-shadow:none;background:#fff3;color:#fff}}@media(max-width:480px){.navbar-icon{width:2rem;height:2rem;font-size:1.25rem}.navbar-title{font-size:1rem}.navbar-links{gap:.25rem}.nav-link{padding:.375rem;min-width:40px;min-height:40px}.nav-icon{width:1.125rem;height:1.125rem}}@media(max-width:360px){.navbar-brand{gap:var(--spacing-sm)}.navbar-title{display:none}}@media(hover:none)and (pointer:coarse){.nav-link{min-height:48px;min-width:48px}.nav-link:hover{transform:none}.nav-link:active{background:#fff3}}@media(max-height:500px)and (orientation:landscape){.navbar{height:3rem}.navbar-container{padding:0 var(--spacing-md)}.navbar-icon{width:1.75rem;height:1.75rem;font-size:1rem}.navbar-title{font-size:1.125rem}.nav-link{padding:.25rem .5rem;min-height:32px}.nav-icon{width:1rem;height:1rem}.navbar-actions{gap:var(--spacing-sm)}}.sidebar{position:fixed;left:0;top:4rem;bottom:0;width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:var(--spacing-xl) var(--spacing-lg);display:flex;flex-direction:column;z-index:900;transition:transform var(--transition-base),width var(--transition-base);overflow-y:auto}.sidebar-header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-color)}.sidebar-title{font-size:.875rem;text-transform:uppercase;color:var(--text-tertiary);letter-spacing:.05em;font-weight:700;margin:0}.close-sidebar-btn{display:none;background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.25rem;border-radius:var(--radius-md);transition:all var(--transition-base)}.close-sidebar-btn:hover{background:var(--bg-tertiary);color:var(--primary-color)}.close-sidebar-btn svg{width:1.5rem;height:1.5rem;fill:currentColor}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-sm);flex:1}.nav-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-lg);color:var(--text-secondary);text-decoration:none;transition:all var(--transition-base);border:2px solid transparent;cursor:pointer;background:transparent;width:100%;min-height:48px}.nav-item:hover{background:var(--bg-tertiary);color:var(--primary-color);transform:translate(4px)}.nav-item.active{background:linear-gradient(135deg,#6366f11a,#4f46e51a);color:var(--primary-color);border-color:#6366f133;font-weight:600}.nav-item:active{transform:translate(0)}.nav-item-content{display:flex;align-items:center;gap:var(--spacing-md)}.nav-item-icon{width:1.25rem;height:1.25rem;fill:currentColor;transition:var(--transition-base)}.nav-item:hover .nav-item-icon,.nav-item.active .nav-item-icon{transform:scale(1.1)}.nav-item-label{font-size:1rem}.nav-item-badge{background:var(--bg-tertiary);color:var(--text-secondary);padding:.125rem .5rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;transition:all var(--transition-base)}.nav-item:hover .nav-item-badge{background:var(--primary-color);color:#fff}.nav-item.active .nav-item-badge{background:var(--primary-color);color:#fff;box-shadow:var(--shadow-sm)}.sidebar-footer{margin-top:auto;padding-top:var(--spacing-lg);border-top:1px solid var(--border-color)}.sidebar-stats{display:flex;flex-direction:column;gap:var(--spacing-sm)}.mini-stat{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:var(--text-secondary)}.mini-stat-label{font-weight:500}.mini-stat-value{font-weight:700;color:var(--text-primary)}.progress-bar{height:4px;background:var(--bg-tertiary);border-radius:var(--radius-full);margin-top:var(--spacing-xs);overflow:hidden}.progress-fill{height:100%;background:var(--success-color);border-radius:var(--radius-full);transition:width 1s ease-in-out}@media(max-width:1024px){.sidebar{width:240px;padding:var(--spacing-lg) var(--spacing-md)}.nav-item{padding:var(--spacing-sm) var(--spacing-md)}.nav-item-label{font-size:.9375rem}}@media(max-width:768px){.sidebar{width:200px}.nav-item-content{gap:var(--spacing-sm)}.nav-item-label{font-size:.875rem}.sidebar-stats{display:none}}@media(max-width:640px){.sidebar{transform:translate(-100%);width:280px;z-index:1001;box-shadow:var(--shadow-xl)}.sidebar.open{transform:translate(0)}.sidebar-overlay{position:fixed;inset:0;background:#00000080;z-index:999;opacity:0;visibility:hidden;transition:opacity var(--transition-base),visibility var(--transition-base)}.sidebar-overlay.open{opacity:1;visibility:visible}.sidebar-header{display:flex;justify-content:space-between;align-items:center}.close-sidebar-btn{display:flex}}@media(max-height:500px)and (orientation:landscape){.sidebar{padding-top:var(--spacing-md);width:220px}.sidebar-header{margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-xs)}.nav-item{min-height:40px;padding:var(--spacing-xs) var(--spacing-md)}.sidebar-footer{display:none}}.todo-item{display:flex;align-items:center;gap:var(--spacing-md);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base);animation:slideIn var(--transition-base);box-shadow:var(--shadow-sm);position:relative;overflow:hidden;min-height:60px}.todo-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow-md);transform:translate(4px)}@media(hover:none)and (pointer:coarse){.todo-item:hover{transform:none}.todo-item:active{transform:scale(.99)}}.priority-indicator{position:absolute;left:0;top:0;bottom:0;width:4px;transition:all var(--transition-base)}.todo-item.priority-high .priority-indicator{background:linear-gradient(180deg,#ef4444,#dc2626)}.todo-item.priority-medium .priority-indicator{background:linear-gradient(180deg,#f59e0b,#d97706)}.todo-item.priority-low .priority-indicator{background:linear-gradient(180deg,#10b981,#059669)}.todo-item.completed{opacity:.7;background:var(--bg-tertiary)}.todo-item.completed .todo-text{text-decoration:line-through;color:var(--text-tertiary)}.todo-item.overdue:not(.completed){border-color:var(--danger-color);background:var(--danger-light)}.todo-item.overdue:not(.completed):before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(239,68,68,.1) 0%,transparent 50%,rgba(239,68,68,.1) 100%);animation:pulse 2s ease-in-out infinite}.todo-checkbox-wrapper{display:flex;align-items:center;z-index:1}.todo-checkbox{position:absolute;opacity:0;cursor:pointer}.checkbox-label{cursor:pointer;display:flex;align-items:center}.checkbox-custom{width:1.5rem;height:1.5rem;border:2px solid var(--border-hover);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all var(--transition-base);background:var(--bg-primary)}.checkbox-icon{width:1rem;height:1rem;fill:#fff;opacity:0;transform:scale(0);transition:all var(--transition-fast)}.todo-checkbox:checked+.checkbox-label .checkbox-custom{background:linear-gradient(135deg,var(--success-color) 0%,#059669 100%);border-color:var(--success-color)}.todo-checkbox:checked+.checkbox-label .checkbox-icon{opacity:1;transform:scale(1)}.checkbox-custom:hover{border-color:var(--primary-color);transform:scale(1.05)}.todo-content{flex:1;min-width:0;z-index:1}.todo-text{font-size:1rem;color:var(--text-primary);word-wrap:break-word;cursor:pointer;transition:color var(--transition-base);display:block;line-height:1.5;margin-bottom:var(--spacing-xs)}.todo-text:hover{color:var(--primary-color)}.todo-edit-input{width:100%;border:2px solid var(--primary-color);background:var(--bg-primary);color:var(--text-primary);padding:var(--spacing-sm);border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-primary);outline:none;transition:all var(--transition-base)}.todo-edit-input:focus{box-shadow:0 0 0 3px #6366f11a}.todo-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.meta-item{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-tertiary);border-radius:var(--radius-md);font-size:.8125rem;color:var(--text-secondary);font-weight:500}.meta-icon{width:.875rem;height:.875rem;fill:currentColor}.meta-item.due-date{color:var(--primary-color);background:#6366f11a}.meta-item.due-time{color:var(--warning-color);background:#f59e0b1a}.meta-item.time-remaining{color:var(--success-color);background:#10b9811a;font-weight:600}.meta-item.time-remaining.overdue-text{color:var(--danger-color);background:#ef444426;animation:pulse 1.5s ease-in-out infinite}.todo-actions{display:flex;gap:var(--spacing-sm);opacity:0;transition:opacity var(--transition-base);z-index:1}.todo-item:hover .todo-actions{opacity:1}.action-button{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);background:transparent;min-width:44px;min-height:44px}.action-icon{width:1.25rem;height:1.25rem;transition:transform var(--transition-fast)}.edit-button{color:var(--primary-color)}.edit-button:hover{background:var(--primary-color);color:#fff;transform:scale(1.1)}.edit-button:hover .action-icon{fill:#fff}.edit-button .action-icon{fill:var(--primary-color)}.delete-button{color:var(--danger-color)}.delete-button:hover{background:var(--danger-color);color:#fff;transform:scale(1.1)}.delete-button:hover .action-icon{fill:#fff}.delete-button .action-icon{fill:var(--danger-color)}@media(max-width:768px){.todo-item{padding:var(--spacing-md);gap:var(--spacing-sm)}.todo-actions{opacity:1}.todo-meta{gap:var(--spacing-sm)}.meta-item{font-size:.75rem;padding:.25rem var(--spacing-xs)}.todo-text{font-size:.9375rem}}@media(max-width:640px){.todo-item{padding:var(--spacing-sm) var(--spacing-md)}.todo-actions{gap:var(--spacing-xs)}}@media(max-width:480px){.todo-item{gap:var(--spacing-sm);padding:var(--spacing-sm);flex-wrap:wrap}.checkbox-custom{width:1.5rem;height:1.5rem}.checkbox-icon{width:1rem;height:1rem}.action-button{min-width:40px;min-height:40px}.action-icon{width:1.125rem;height:1.125rem}.todo-meta{width:100%;gap:var(--spacing-xs)}.meta-item{font-size:.6875rem}.todo-text{font-size:.875rem}}@media(max-width:360px){.todo-item{padding:.5rem}.todo-actions{width:100%;justify-content:flex-end}}@media(hover:none)and (pointer:coarse){.checkbox-custom{width:1.75rem;height:1.75rem}.action-button{min-width:48px;min-height:48px}.action-button:active{opacity:.7;transform:scale(.95)}}@media(max-height:500px)and (orientation:landscape){.todo-item{padding:var(--spacing-sm);min-height:50px}.todo-meta{flex-direction:row;flex-wrap:wrap}}.todo-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.add-todo-form.enhanced{margin-bottom:var(--spacing-xl);animation:fadeIn var(--transition-base);background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:2px solid var(--border-color)}.input-wrapper{display:flex;gap:var(--spacing-md);align-items:center}.todo-input{flex:1;padding:var(--spacing-md) var(--spacing-lg);font-size:1rem;border:2px solid var(--border-color);border-radius:var(--radius-lg);outline:none;transition:all var(--transition-base);background:var(--bg-tertiary);color:var(--text-primary);min-height:44px}.todo-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a;background:var(--bg-secondary)}.todo-input::placeholder{color:var(--text-tertiary)}.toggle-advanced-btn{display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;background:var(--bg-tertiary);border:2px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);color:var(--text-secondary);min-width:44px;min-height:44px}.toggle-advanced-btn:hover{border-color:var(--primary-color);color:var(--primary-color);background:var(--bg-secondary)}.toggle-advanced-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.toggle-icon{width:1.5rem;height:1.5rem;fill:currentColor;transition:transform var(--transition-base)}.toggle-advanced-btn.active .toggle-icon{transform:rotate(180deg)}.btn-icon{width:1.5rem;height:1.5rem;fill:currentColor}.add-button{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;border:none;border-radius:var(--radius-lg);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-sm);font-family:var(--font-primary);min-height:44px}.add-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}.add-button:active:not(:disabled){transform:translateY(0)}.add-button:disabled{opacity:.6;cursor:not-allowed;background:var(--text-tertiary)}.add-icon{width:1.25rem;height:1.25rem;fill:currentColor;font-weight:700}.advanced-options{margin-top:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-lg);border:1px solid var(--border-color);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);animation:slideDown var(--transition-base);overflow:hidden}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px);max-height:0}to{opacity:1;transform:translateY(0);max-height:200px}}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group label{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.875rem;font-weight:600;color:var(--text-secondary)}.label-icon{width:1rem;height:1rem;fill:currentColor}.form-input,.form-select{padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:.9375rem;color:var(--text-primary);background:var(--bg-secondary);transition:all var(--transition-base);font-family:var(--font-primary);min-height:40px}.form-input:focus,.form-select:focus{border-color:var(--primary-color);outline:none}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1rem;padding-right:2.5rem}.form-select option{padding:var(--spacing-sm)}@media(max-width:768px){.advanced-options{grid-template-columns:1fr;gap:var(--spacing-md)}.add-button span{display:none}.add-button{padding:var(--spacing-md)}}@media(max-width:480px){.input-wrapper{flex-wrap:wrap;gap:var(--spacing-xs)}.todo-input{width:100%;order:1;min-height:44px}.toggle-advanced-btn{order:2;flex:1}.add-button{width:100%;order:3;justify-content:center;min-height:48px}.add-button span{display:inline}.add-todo-form.enhanced{padding:var(--spacing-md)}.form-input,.todo-input,.form-select{font-size:16px}}.calendar-container{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-md);animation:fadeIn var(--transition-base)}.calendar-header{margin-bottom:var(--spacing-lg)}.calendar-title{display:flex;align-items:center;gap:var(--spacing-md);font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.calendar-title-icon{width:1.5rem;height:1.5rem;fill:var(--primary-color)}.calendar-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-lg);gap:var(--spacing-md)}.nav-controls{display:flex;align-items:center;gap:var(--spacing-md)}.nav-btn{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);color:var(--text-primary);min-width:44px;min-height:44px;flex-shrink:0}.nav-btn:hover{background:var(--primary-color);border-color:var(--primary-color);color:#fff;transform:scale(1.05)}.nav-btn:active{transform:scale(.95)}.nav-btn svg{width:1.25rem;height:1.25rem;fill:currentColor}.month-text{font-size:1.125rem;font-weight:700;color:var(--text-primary);white-space:nowrap}.today-btn{padding:var(--spacing-sm) var(--spacing-lg);background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:var(--font-primary);min-height:44px;white-space:nowrap}.today-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.today-btn:active{transform:translateY(0)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--spacing-xs);margin-bottom:var(--spacing-lg)}.calendar-day-header{text-align:center;padding:var(--spacing-sm);font-size:.75rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.calendar-day{aspect-ratio:1;padding:var(--spacing-sm);background:var(--bg-primary);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;position:relative;overflow:hidden}.calendar-day.empty{background:transparent;border-color:transparent;cursor:default}.calendar-day:not(.empty):hover{border-color:var(--primary-color);transform:scale(1.05);box-shadow:var(--shadow-md);z-index:10}.calendar-day.today{background:linear-gradient(135deg,#6366f11a,#4f46e51a);border-color:var(--primary-color);border-width:3px}.calendar-day.selected{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);border-color:var(--primary-color);color:#fff}.calendar-day.selected .day-number{color:#fff;font-weight:700}.calendar-day.past:not(.today):not(.selected){opacity:.6}.day-number{font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.task-indicators{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);width:100%}.task-count{font-size:.625rem;font-weight:700;color:var(--primary-color);background:#6366f126;padding:.125rem .375rem;border-radius:var(--radius-full)}.calendar-day.selected .task-count{color:#fff;background:#ffffff4d}.task-dots{display:flex;gap:.125rem;flex-wrap:wrap;justify-content:center}.task-dot{width:.375rem;height:.375rem;border-radius:50%;transition:all var(--transition-base)}.task-dot.priority-high{background:var(--danger-color)}.task-dot.priority-medium{background:var(--warning-color)}.task-dot.priority-low{background:var(--success-color)}.task-dot.completed{opacity:.4}.task-dot.more{background:var(--text-tertiary);font-size:.5rem;width:auto;padding:0 .25rem;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}.calendar-legend{display:flex;flex-wrap:wrap;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);justify-content:center}.legend-item{display:flex;align-items:center;gap:var(--spacing-sm)}.legend-dot{width:.75rem;height:.75rem;border-radius:50%}.legend-dot.today-dot{background:var(--primary-color);border:2px solid var(--primary-color)}.legend-dot.selected-dot{background:var(--primary-hover)}.legend-label{font-size:.75rem;color:var(--text-secondary);font-weight:500}@media(max-width:768px){.calendar-container{padding:var(--spacing-md)}.calendar-nav{padding:var(--spacing-sm)}.month-text{font-size:1rem}.calendar-day-header{font-size:.625rem;padding:var(--spacing-xs)}.calendar-day{padding:.375rem}.day-number{font-size:.8125rem}.task-count{font-size:.5625rem}.task-dot{width:.3125rem;height:.3125rem}}@media(max-width:640px){.calendar-grid{gap:.25rem}.calendar-day{padding:.25rem}}@media(max-width:480px){.calendar-container{padding:var(--spacing-sm)}.calendar-title{font-size:1rem}.calendar-nav{flex-direction:column;gap:var(--spacing-sm);align-items:stretch}.nav-controls{justify-content:space-between;width:100%}.month-year{order:1;width:100%;justify-content:center}.nav-btn{min-width:40px;min-height:40px}.today-btn{width:100%}.calendar-day-header{font-size:.5625rem;padding:.125rem}.calendar-day{padding:.125rem;border-width:1px}.day-number{font-size:.6875rem}.task-count{font-size:.5rem;padding:.0625rem .25rem}}@media(max-height:500px)and (orientation:landscape){.calendar-container{padding:var(--spacing-sm)}.calendar-nav{flex-direction:row;margin-bottom:var(--spacing-sm);padding:var(--spacing-xs)}.nav-btn{width:2rem;height:2rem;min-height:32px}.today-btn{padding:var(--spacing-xs) var(--spacing-md);min-height:32px}}.stats-container{animation:fadeIn var(--transition-base);padding:var(--spacing-md)}.stats-page-title{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-xl);border-bottom:2px solid var(--border-color);padding-bottom:var(--spacing-md)}.stats-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.stat-summary-card{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-color);display:flex;align-items:center;gap:var(--spacing-lg);transition:transform var(--transition-base)}.stat-summary-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-card-icon{width:3.5rem;height:3.5rem;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-card-icon svg{width:2rem;height:2rem;fill:currentColor}.stat-summary-card.total .stat-card-icon{background:#6366f126;color:var(--primary-color)}.stat-summary-card.completed .stat-card-icon{background:#10b98126;color:var(--success-color)}.stat-summary-card.pending .stat-card-icon{background:#f59e0b26;color:var(--warning-color)}.stat-card-content h3{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0;line-height:1.2}.stat-card-content p{margin:0;color:var(--text-secondary);font-weight:500;text-transform:uppercase;font-size:.75rem;letter-spacing:.05em}.stats-charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl)}.chart-card{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--spacing-xl);border:1px solid var(--border-color);box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center}.chart-title{font-size:1.125rem;color:var(--text-primary);margin-bottom:var(--spacing-xl);align-self:flex-start}.donut-chart-container{position:relative;width:200px;height:200px;margin-bottom:var(--spacing-lg)}.donut-bg{fill:none;stroke:var(--bg-tertiary)}.donut-segment{fill:none;transition:stroke-dasharray 1s ease-in-out,stroke-dashoffset 1s ease-in-out}.donut-segment.completed{stroke:var(--success-color)}.donut-segment.pending{stroke:var(--warning-color)}.donut-text{fill:var(--text-primary);font-size:1.75rem;font-weight:700;font-family:var(--font-primary)}.donut-label{fill:var(--text-secondary);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.chart-legend{display:flex;flex-direction:column;gap:var(--spacing-sm);width:100%;max-width:240px}.legend-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-md);background:var(--bg-primary);transition:background-color var(--transition-base)}.legend-item:hover{background:var(--bg-tertiary)}.legend-info{display:flex;align-items:center;gap:var(--spacing-sm)}.legend-dot{width:.75rem;height:.75rem;border-radius:50%;flex-shrink:0}.legend-dot.completed{background:var(--success-color)}.legend-dot.pending{background:var(--warning-color)}.legend-label{font-size:.875rem;color:var(--text-secondary);font-weight:500}.legend-value{font-size:.875rem;color:var(--text-primary);font-weight:700}.priority-bars{width:100%;display:flex;flex-direction:column;gap:var(--spacing-lg)}.priority-bar-group{width:100%}.priority-label{display:flex;justify-content:space-between;margin-bottom:var(--spacing-xs);font-size:.875rem;color:var(--text-secondary);font-weight:600}.progress-bg{height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;border-radius:var(--radius-full);transition:width 1s ease-in-out}.progress-fill.high{background:var(--danger-color)}.progress-fill.medium{background:var(--warning-color)}.progress-fill.low{background:var(--success-color)}@media(max-width:768px){.stats-summary-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.stats-page-title{font-size:1.5rem}.stats-summary-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.stats-charts-grid{grid-template-columns:1fr;gap:var(--spacing-lg)}.chart-card{padding:var(--spacing-lg)}.chart-legend{max-width:100%}}.alert-popup{position:fixed;top:5rem;right:var(--spacing-lg);z-index:9999;animation:slideInRight .3s ease-out}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.alert-content{display:flex;align-items:center;gap:var(--spacing-md);background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;padding:var(--spacing-lg);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);min-width:320px;max-width:400px;border:3px solid rgba(255,255,255,.3);animation:pulse 1s ease-in-out infinite}.alert-icon{font-size:2.5rem;animation:ring 1s ease-in-out infinite}@keyframes ring{0%,to{transform:rotate(0)}10%,30%{transform:rotate(-15deg)}20%,40%{transform:rotate(15deg)}}.alert-text{flex:1}.alert-title{font-size:1.125rem;font-weight:700;margin:0 0 var(--spacing-xs) 0;color:#fff}.alert-message{font-size:.9375rem;margin:0;color:#fffffff2;line-height:1.4}.alert-close{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;background:#fff3;border:none;border-radius:var(--radius-md);color:#fff;font-size:1.5rem;cursor:pointer;transition:all var(--transition-base);flex-shrink:0}.alert-close:hover{background:#ffffff4d;transform:scale(1.1)}@media(max-width:768px){.alert-popup{right:var(--spacing-md);left:var(--spacing-md)}.alert-content{min-width:auto}}@media(max-width:480px){.alert-popup{top:4rem}.alert-content{padding:var(--spacing-md)}.alert-icon{font-size:2rem}.alert-title{font-size:1rem}.alert-message{font-size:.875rem}}