Update environment configuration, enhance component functionality, and improve project structure. Added Umami analytics configuration to .env.example and updated astro.config.mjs to use the new site URL. Introduced pagination component in BlogOverview.svelte, refactored image handling in ImageGalleryBlock.svelte, and improved SearchableTextBlock.svelte with tooltip support. Updated package.json with new scripts for Firebase deployment and added new dependencies for Storybook and Firebase. Enhanced styling and layout across various components for better user experience.

src/lib/ui/Button.svelte

@@ -0,0 +1,46 @@
+<script lang="ts">
+  type Variant = 'primary' | 'secondary' | 'ghost';
+  type Size = 'sm' | 'md' | 'large';
+
+  let {
+    variant = 'primary',
+    size = 'md',
+    disabled = false,
+    loading = false,
+    type = 'button' as 'button' | 'submit' | 'reset',
+    label = '',
+  } = $props();
+
+  const base =
+    'inline-flex items-center justify-center gap-2 rounded-lg font-semibold transition-colors duration-150 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-wald-300 focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-40';
+
+  const sizeClasses = $derived(
+    { sm: 'h-9 px-4 py-2 text-sm', md: 'h-12 min-w-[120px] px-6 py-3 text-base', large: 'h-14 px-8 py-4 text-lg' }[
+      size
+    ]
+  );
+
+  const variantClasses = $derived(
+    {
+      primary: 'bg-wald-500 text-white hover:bg-wald-600 active:bg-wald-700',
+      secondary:
+        'border-[1.5px] border-wald-500 bg-transparent text-wald-500 hover:bg-wald-50 active:bg-wald-100',
+      ghost: 'bg-transparent px-4 py-3 text-stein-700 hover:bg-stein-100 active:bg-stein-200',
+    }[variant]
+  );
+
+  const allClasses = $derived([base, sizeClasses, variantClasses].filter(Boolean).join(' '));
+</script>
+
+<button
+  {type}
+  {disabled}
+  class={allClasses}
+>
+  {#if loading}
+    <span class="inline-block h-4 w-4 animate-spin rounded-full border-2 border-current border-t-transparent"></span>
+    <span>Laden...</span>
+  {:else}
+    <slot>{label}</slot>
+  {/if}
+</button>