feat(todo): 모바일 반응형 — 스와이프 칸반 + FAB + 바텀시트 입력

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/todo/Todo.css

@@ -370,11 +370,21 @@
     text-decoration-color: rgba(244, 114, 182, 0.4);
 }
 
+/* ── 스와이프 보드 (모바일 전용) ──────────────────────────────────────── */
+
+.todo-swipe-board {
+    display: none;
+}
+
 /* ── Responsive ──────────────────────────────────────────────────────── */
 
 @media (max-width: 768px) {
     .todo-board {
-        grid-template-columns: 1fr;
+        display: none;
+    }
+
+    .todo-swipe-board {
+        display: block;
     }
 
     .todo-col {

src/pages/todo/Todo.jsx

@@ -1,5 +1,10 @@
 import React, { useCallback, useEffect, useRef, useState } from 'react';
 import { getTodos, addTodo, updateTodo, deleteTodo, clearTodos } from '../../api';
+import { useIsMobile } from '../../hooks/useIsMobile';
+import SwipeableView from '../../components/SwipeableView';
+import FAB from '../../components/FAB';
+import MobileSheet from '../../components/MobileSheet';
+import PullToRefresh from '../../components/PullToRefresh';
 import './Todo.css';
 
 const ACTIVE_COLUMNS = [
@@ -19,11 +24,13 @@ const toDateStr = (iso) => {
 };
 
 const Todo = () => {
+    const isMobile = useIsMobile();
     const [todos, setTodos] = useState([]);
     const [loading, setLoading] = useState(false);
     const [error, setError] = useState('');
     const [form, setForm] = useState(emptyForm);
     const [formOpen, setFormOpen] = useState(false);
+    const [addSheetOpen, setAddSheetOpen] = useState(false);
     const [saving, setSaving] = useState(false);
     const [dragging, setDragging] = useState(null);
     const [dragOver, setDragOver] = useState(null);
@@ -185,29 +192,33 @@ const Todo = () => {
         </div>
     );
 
+    /* ── 칸반 컬럼 렌더러 (재사용) ── */
+    const renderColumn = (col) => {
+        const items = byStatus(col.id);
         return (
-        <div className="todo-page">
-            {/* 툴바 */}
-            <div className="todo-toolbar">
-                <button
-                    type="button"
-                    className="button primary"
-                    onClick={() => setFormOpen((v) => !v)}
+            <div
+                key={col.id}
+                className={`todo-col${dragOver === col.id ? ' is-drag-over' : ''}`}
+                onDragOver={(e) => onDragOver(e, col.id)}
+                onDrop={(e) => onDrop(e, col.id)}
             >
-                    {formOpen ? '취소' : '+ 태스크 추가'}
-                </button>
-                <button
-                    type="button"
-                    className="button ghost"
-                    onClick={handleClear}
-                >
-                    완료 비우기
-                </button>
+                <div className="todo-col__head">
+                    <span className="todo-col__title">{col.label}</span>
+                    <span className="todo-col__count">{items.length}</span>
                 </div>
+                <div className="todo-col__body">
+                    {items.length === 0 && (
+                        <p className="todo-col__empty">드래그하여 이동</p>
+                    )}
+                    {items.map((todo) => renderCard(todo, col.id))}
+                </div>
+            </div>
+        );
+    };
 
-            {/* 추가 폼 */}
-            {formOpen && (
-                <form className="todo-form" onSubmit={handleAdd}>
+    /* ── 추가 폼 (공통) ── */
+    const addForm = (
+        <form className="todo-form" onSubmit={async (e) => { await handleAdd(e); setAddSheetOpen(false); }}>
             <label className="todo-form__field">
                 <span>제목 *</span>
                 <input
@@ -237,35 +248,79 @@ const Todo = () => {
                 </button>
             </div>
         </form>
-            )}
+    );
+
+    return (
+        <PullToRefresh onRefresh={load}>
+        <div className="todo-page">
+            {/* 툴바 */}
+            <div className="todo-toolbar">
+                <button
+                    type="button"
+                    className="button primary"
+                    onClick={() => setFormOpen((v) => !v)}
+                >
+                    {formOpen ? '취소' : '+ 태스크 추가'}
+                </button>
+                <button
+                    type="button"
+                    className="button ghost"
+                    onClick={handleClear}
+                >
+                    완료 비우기
+                </button>
+            </div>
+
+            {/* 추가 폼 (데스크탑) */}
+            {formOpen && !isMobile && addForm}
 
             {error && <p className="todo-error">{error}</p>}
             {loading && todos.length === 0 && <p className="todo-loading">불러오는 중...</p>}
 
-            {/* 활성 보드 (할 일 + 진행 중) */}
-            <div className="todo-board">
-                {ACTIVE_COLUMNS.map((col) => {
-                    const items = byStatus(col.id);
-                    return (
+            {/* 모바일: SwipeableView 칸반 */}
+            {isMobile ? (
+                <div className="todo-swipe-board">
+                    <SwipeableView
+                        tabs={[
+                            { key: 'todo',        label: '할 일',  content: renderColumn({ id: 'todo', label: '할 일' }) },
+                            { key: 'in_progress', label: '진행 중', content: renderColumn({ id: 'in_progress', label: '진행 중' }) },
+                            { key: 'done',        label: '완료',   content: (
                                 <div
-                            key={col.id}
-                            className={`todo-col${dragOver === col.id ? ' is-drag-over' : ''}`}
-                            onDragOver={(e) => onDragOver(e, col.id)}
-                            onDrop={(e) => onDrop(e, col.id)}
+                                    className={`todo-done-panel${dragOver === 'done' ? ' is-drag-over' : ''}`}
+                                    onDragOver={(e) => onDragOver(e, 'done')}
+                                    onDrop={(e) => onDrop(e, 'done')}
                                 >
-                            <div className="todo-col__head">
-                                <span className="todo-col__title">{col.label}</span>
-                                <span className="todo-col__count">{items.length}</span>
+                                    <div className="todo-done-panel__head">
+                                        <div className="todo-done-panel__title-row">
+                                            <span className="todo-col__title">완료</span>
+                                            <span className="todo-col__count">{doneTodos.length}</span>
                                         </div>
-                            <div className="todo-col__body">
-                                {items.length === 0 && (
-                                    <p className="todo-col__empty">드래그하여 이동</p>
+                                        <div className="todo-done-panel__filter">
+                                            <button type="button" className={`todo-date-btn${doneDate === '' ? ' is-active' : ''}`} onClick={() => setDoneDate('')}>전체</button>
+                                            {doneDates.map((d) => (
+                                                <button key={d} type="button" className={`todo-date-btn${doneDate === d ? ' is-active' : ''}`} onClick={() => setDoneDate(d)}>
+                                                    {new Date(d + 'T00:00:00').toLocaleDateString('ko-KR', { month: 'short', day: 'numeric' })}
+                                                </button>
+                                            ))}
+                                        </div>
+                                    </div>
+                                    <div className="todo-done-panel__body">
+                                        {doneTodos.length === 0 ? (
+                                            <p className="todo-col__empty">{doneDate ? '해당 날짜에 완료된 항목이 없습니다' : '드래그하여 이동'}</p>
+                                        ) : (
+                                            doneTodos.map((todo) => renderCard(todo, 'done'))
                                         )}
-                                {items.map((todo) => renderCard(todo, col.id))}
                                     </div>
                                 </div>
-                    );
-                })}
+                            )},
+                        ]}
+                    />
+                </div>
+            ) : (
+                <>
+                    {/* 데스크탑: 활성 보드 (할 일 + 진행 중) */}
+                    <div className="todo-board">
+                        {ACTIVE_COLUMNS.map((col) => renderColumn(col))}
                     </div>
 
                     {/* 완료 패널 */}
@@ -274,7 +329,6 @@ const Todo = () => {
                         onDragOver={(e) => onDragOver(e, 'done')}
                         onDrop={(e) => onDrop(e, 'done')}
                     >
-                {/* 완료 패널 헤더 */}
                         <div className="todo-done-panel__head">
                             <div className="todo-done-panel__title-row">
                                 <span className="todo-col__title">완료</span>
@@ -285,7 +339,6 @@ const Todo = () => {
                                     </span>
                                 )}
                             </div>
-                    {/* 날짜 필터 */}
                             <div className="todo-done-panel__filter">
                                 <button
                                     type="button"
@@ -313,8 +366,6 @@ const Todo = () => {
                                 />
                             </div>
                         </div>
-
-                {/* 완료 카드 그리드 */}
                         <div className="todo-done-panel__body">
                             {doneTodos.length === 0 ? (
                                 <p className="todo-col__empty">
@@ -325,7 +376,21 @@ const Todo = () => {
                             )}
                         </div>
                     </div>
+                </>
+            )}
+
+            {/* 모바일: 추가 바텀시트 */}
+            <MobileSheet
+                open={addSheetOpen}
+                onClose={() => { setAddSheetOpen(false); setForm(emptyForm); }}
+                title="태스크 추가"
+            >
+                {addForm}
+            </MobileSheet>
+
+            <FAB onClick={() => setAddSheetOpen(true)} label="태스크 추가" />
         </div>
+        </PullToRefresh>
     );
 };