.todo-app{display:flex;min-height:500px;min-height:calc(100vh - 56px);overflow:hidden;position:relative}.todo-sidebar{width:280px;min-width:280px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;transition:transform .3s,background .3s}.todo-sidebar__header{padding:16px;border-bottom:1px solid var(--color-border)}.todo-sidebar__header .btn{width:100%}.todo-sidebar__lists{flex:1;overflow-y:auto;padding:8px}.todo-sidebar__empty{text-align:center;padding:32px 16px;color:var(--color-text-muted);font-size:14px}.todo-sidebar__footer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--color-border)}.todo-sidebar__footer .btn{flex:1;font-size:12px}@media(max-width: 768px){.todo-sidebar{position:fixed;top:56px;left:0;bottom:0;z-index:50;transform:translateX(-100%);box-shadow:var(--shadow-lg)}.todo-sidebar.open{transform:translateX(0)}}.todo-list-item{padding:12px 14px;border-radius:var(--radius-sm);cursor:pointer;margin-bottom:2px;transition:background .15s,box-shadow .15s;border:1px solid rgba(0,0,0,0);display:flex;align-items:center;justify-content:space-between;gap:8px}.todo-list-item:hover{background:var(--color-surface-alt)}.todo-list-item.active{background:var(--color-primary-light);border-color:rgba(26,143,173,.15)}.todo-list-item__name{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.todo-list-item__badge{background:var(--color-primary);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;flex-shrink:0}.todo-main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.todo-header{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--color-border);background:var(--color-surface)}.todo-header__title{flex:1;font-size:18px;font-weight:700;margin:0;letter-spacing:-0.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.todo-header #sidebarToggle{display:none}@media(max-width: 768px){.todo-header #sidebarToggle{display:flex}}.todo-add{display:flex;gap:8px;padding:12px 16px;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-wrap:wrap}.todo-add input[type=text]{flex:1;min-width:180px;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;background:var(--color-bg);color:var(--color-text);outline:none;font-family:inherit;transition:border-color .2s,box-shadow .2s}.todo-add input[type=text]:focus{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.todo-add input[type=text]::placeholder{color:var(--color-text-muted)}.todo-add input[type=datetime-local]{padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;background:var(--color-bg);color:var(--color-text);outline:none;font-family:inherit;transition:border-color .2s;color-scheme:light}.todo-add input[type=datetime-local]:focus{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}[data-theme=dark] .todo-add input[type=datetime-local]{color-scheme:dark}.todo-tasks{flex:1;overflow-y:auto;padding:8px 16px;background:var(--color-bg)}.todo-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 16px;color:var(--color-text-muted);text-align:center}.todo-empty p{font-size:15px;margin:16px 0 0}.todo-task{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);margin-bottom:6px;transition:box-shadow .15s,border-color .15s,opacity .2s;cursor:default}.todo-task:hover{border-color:var(--color-border-dark);box-shadow:var(--shadow-sm)}.todo-task:hover .todo-task__delete{opacity:1}.todo-task:hover .todo-task__handle{opacity:1}.todo-task__handle{cursor:grab;opacity:0;transition:opacity .15s;flex-shrink:0;display:flex;align-items:center}.todo-task__handle:active{cursor:grabbing}@media(max-width: 600px){.todo-task__handle{display:none}}.todo-task__check{width:24px;height:24px;border:none;background:none;padding:0;cursor:pointer;color:var(--color-text-muted);flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:color .2s}.todo-task__check svg{width:22px;height:22px}.todo-task__check:hover{color:var(--color-primary)}.todo-task__check.checked{color:var(--color-success)}.todo-task__title{flex:1;font-size:14px;line-height:1.4;min-width:0;outline:none;border-radius:4px;padding:2px 4px;transition:background .15s}.todo-task__title:focus{background:var(--color-bg);box-shadow:var(--shadow-glow)}.todo-task__due{font-size:12px;color:var(--color-text-muted);white-space:nowrap;flex-shrink:0}.todo-task__due.overdue{color:var(--color-error);font-weight:600}.todo-task__due.due-today{color:var(--color-accent);font-weight:600}.todo-task__date-input{position:relative;width:28px;height:28px;padding:0;border:none;background:none;cursor:pointer;opacity:.4;flex-shrink:0;color:rgba(0,0,0,0);font-size:0;overflow:hidden;transition:opacity .15s;color-scheme:light}.todo-task__date-input:hover{opacity:.8}.todo-task__date-input::-webkit-calendar-picker-indicator{position:absolute;top:0;left:0;width:100%;height:100%;margin:0;padding:0;cursor:pointer}[data-theme=dark] .todo-task__date-input{color-scheme:dark}.todo-task__delete{width:28px;height:28px;border:none;background:none;padding:0;cursor:pointer;color:var(--color-text-muted);opacity:0;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all .15s}.todo-task__delete svg{width:16px;height:16px}.todo-task__delete:hover{color:var(--color-error);background:rgba(220,38,38,.08)}.todo-task--completed{opacity:.6}.todo-task--completed .todo-task__title{text-decoration:line-through;color:var(--color-text-muted)}.todo-task--completed .todo-task__delete{opacity:.5}.todo-task.dragging{opacity:.4;border-style:dashed}.todo-task.drag-over{border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(26,143,173,.15)}@media(max-width: 600px){.todo-task .todo-task__delete{opacity:.5}}