fix: resolve Svelte build warnings

- Add keyboard handler to fab-modal and dialog overlays (a11y)
- Remove unused .btn-cancel CSS selector
- Wrap meal name input inside its label, use span for ingredients heading
- Change image-wrap-desktop from div to figure for valid figcaption

src/routes/fitness/[nutrition=fitnessNutrition]/+page.svelte

@@ -792,7 +792,7 @@
 	<!-- svelte-ignore a11y_no_static_element_interactions -->
 	<div class="fab-overlay" onclick={closeFabModal} onkeydown={(e) => e.key === 'Escape' && closeFabModal()}>
 		<!-- svelte-ignore a11y_no_static_element_interactions a11y_click_events_have_key_events -->
-		<div class="fab-modal" onclick={(e) => e.stopPropagation()}>
+		<div class="fab-modal" onclick={(e) => e.stopPropagation()} onkeydown={(e) => e.stopPropagation()}>
 			<div class="fab-modal-header">
 				<h3>{t('add_food', lang)}</h3>
 				<button class="fab-close" onclick={closeFabModal}><Plus size={18} style="transform: rotate(45deg)" /></button>
@@ -1596,8 +1596,7 @@
 		cursor: not-allowed;
 		transform: none;
 	}
-	.btn-secondary,
-	.btn-cancel {
+	.btn-secondary {
 		padding: 0.5rem 1.1rem;
 		background: var(--color-bg-tertiary);
 		color: var(--color-text-primary);
@@ -1608,9 +1607,6 @@
 		font-weight: 500;
 		transition: background 0.15s;
 	}
-	.btn-cancel:hover {
-		background: var(--color-bg-elevated);
-	}
 
 	/* ── Day Total ── */
 	/* ── FAB Modal ── */

src/routes/fitness/[nutrition=fitnessNutrition]/meals/+page.svelte

@@ -172,16 +172,18 @@
 		<div class="form-card">
 			<h2 class="form-title">{editingId ? t('edit', lang) : t('new_meal', lang)}</h2>
 
-			<label class="field-label">{t('meal_name', lang)}</label>
-			<input
-				type="text"
-				class="text-input"
-				bind:value={mealName}
-				placeholder={t('meal_name', lang)}
-			/>
+			<label class="field-label">
+				{t('meal_name', lang)}
+				<input
+					type="text"
+					class="text-input"
+					bind:value={mealName}
+					placeholder={t('meal_name', lang)}
+				/>
+			</label>
 
 			<!-- Ingredients list -->
-			<label class="field-label">{t('ingredients', lang)} ({ingredients.length})</label>
+			<span class="field-label">{t('ingredients', lang)} ({ingredients.length})</span>
 			{#if ingredients.length > 0}
 				<div class="ingredients-list">
 					{#each ingredients as ing, i}