v1.1.1 Poprawki UI: listy zakupów i nawigacja

Napraw poziome przewijanie formularza dodawania produktu na liście
zakupów na telefonie. Usuń Historię i Statystyki z dolnej nawigacji
i dodaj je jako kafelki na ekranie głównym między rozliczeniami a
wydatkami wg kategorii.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

frontend/src/components/BottomNav.jsx

@@ -8,13 +8,11 @@ export default function BottomNav() {
   const items = [
     { to: '/', label: t('bottomNav.home'), icon: 'home', end: true },
     { to: '/calendar', label: t('bottomNav.calendar'), icon: 'calendar_month' },
-    { to: '/history', label: t('bottomNav.history'), icon: 'receipt_long' },
   ];
 
   const rightItems = [
     { to: '/shopping', label: t('bottomNav.shopping'), icon: 'checklist' },
     { to: '/settlements', label: t('bottomNav.settlements'), icon: 'payments' },
-    { to: '/stats', label: t('bottomNav.stats'), icon: 'bar_chart' },
   ];
 
   return (

frontend/src/pages/Dashboard.jsx

@@ -50,6 +50,17 @@ export default function Dashboard() {
         )}
       </div>
 
+      <div className="dashboard-nav-tiles">
+        <button type="button" className="dashboard-nav-tile" onClick={() => navigate('/history')}>
+          <Icon name="receipt_long" />
+          <span>{t('bottomNav.history')}</span>
+        </button>
+        <button type="button" className="dashboard-nav-tile" onClick={() => navigate('/stats')}>
+          <Icon name="bar_chart" />
+          <span>{t('bottomNav.stats')}</span>
+        </button>
+      </div>
+
       <div className="card">
         <h3>{t('dashboard.expensesByCategoryTitle')}</h3>
         {!summary ? <p>{t('common.loading')}</p> : <CategoryPieChart data={summary.byCategory} currency={currency} />}

frontend/src/styles.css

@@ -85,7 +85,7 @@ input, select, button, textarea { font-family: inherit; font-size: 1rem; color:
   left: 0;
   right: 0;
   display: grid;
-  grid-template-columns: repeat(7, 1fr);
+  grid-template-columns: repeat(5, 1fr);
   align-items: center;
   justify-items: center;
   background: var(--card);
@@ -275,6 +275,30 @@ input, select, button, textarea { font-family: inherit; font-size: 1rem; color:
 }
 .suggestion-btn:hover, .suggestion-btn:focus-visible { background: var(--accent-bg); }
 
+.dashboard-nav-tiles {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 16px;
+  margin-bottom: 16px;
+}
+.dashboard-nav-tile {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  background: var(--card);
+  border: none;
+  border-radius: 16px;
+  padding: 20px;
+  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
+  color: var(--text);
+  font: inherit;
+  font-weight: 600;
+  cursor: pointer;
+}
+.dashboard-nav-tile .material-symbols-outlined { font-size: 1.5rem; color: var(--primary); }
+
 .summary-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
@@ -745,6 +769,7 @@ input, select, button, textarea { font-family: inherit; font-size: 1rem; color:
 }
 .shopping-add-list-form input, .shopping-add-item-form input {
   flex: 1;
+  min-width: 0;
   box-sizing: border-box;
   padding: 12px;
   border-radius: 10px;
@@ -799,8 +824,9 @@ input, select, button, textarea { font-family: inherit; font-size: 1rem; color:
 }
 .shopping-item-qty { font-size: 0.8rem; color: var(--muted); }
 .shopping-item-row.checked .shopping-item-name { color: var(--muted); text-decoration: line-through; }
-.shopping-item-edit { flex: 1; display: flex; gap: 8px; }
+.shopping-item-edit { flex: 1; min-width: 0; display: flex; gap: 8px; }
 .shopping-item-edit input {
+  min-width: 0;
   box-sizing: border-box;
   padding: 8px;
   border-radius: 8px;
@@ -809,4 +835,4 @@ input, select, button, textarea { font-family: inherit; font-size: 1rem; color:
   color: var(--text);
 }
 .shopping-item-edit input:first-child { flex: 1; }
-.shopping-item-qty-input { width: 90px; flex-shrink: 0; }
+.shopping-item-qty-input { width: 72px; flex-shrink: 0; }