feat(admin): add global header and footer configuration fields in admin dashboard

src/pages/admin/index.astro

@@ -100,8 +100,55 @@ const presets = Object.values(THEME_PRESETS);
                 <input type="text" id="infoAddress" value={(siteConfig as any).site_info?.address || ''} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
               </div>
             </div>
+
+            <!-- Global Header Config -->
+            <h3 class="text-xs font-bold text-slate-400 uppercase tracking-wider pt-4 border-t border-white/10">Globaler Header / Navigation Bar</h3>
+            <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">Brand Name (z.B. N&D)</label>
+                <input type="text" id="headerBrandName" value={siteConfig.header?.brandName || 'N&D'} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
+              </div>
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">Brand Highlight (z.B. i-t SOLUTIONS)</label>
+                <input type="text" id="headerBrandHighlight" value={siteConfig.header?.brandHighlight || 'i-t SOLUTIONS'} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
+              </div>
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">CTA Button Text</label>
+                <input type="text" id="headerCtaText" value={siteConfig.header?.ctaText || 'Erstgespräch buchen'} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
+              </div>
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">CTA Button Link</label>
+                <input type="text" id="headerCtaLink" value={siteConfig.header?.ctaLink || '#contact'} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
+              </div>
+              <label class="flex items-center gap-2 cursor-pointer sm:col-span-2">
+                <input type="checkbox" id="headerShowThemeToggle" checked={siteConfig.header?.showThemeToggle !== false} class="rounded text-sky-400 focus:ring-0" />
+                <span class="text-xs text-slate-300 font-semibold">Theme-Toggle Button (☀️/🌙) anzeigen</span>
+              </label>
+              <label class="flex items-center gap-2 cursor-pointer sm:col-span-2">
+                <input type="checkbox" id="headerGlassEffect" checked={siteConfig.header?.glassEffect !== false} class="rounded text-sky-400 focus:ring-0" />
+                <span class="text-xs text-slate-300 font-semibold">Liquid Glassmorphism Effekt aktivieren</span>
+              </label>
+            </div>
+
+            <!-- Global Footer Config -->
+            <h3 class="text-xs font-bold text-slate-400 uppercase tracking-wider pt-4 border-t border-white/10">Globaler Footer</h3>
+            <div class="space-y-4">
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">Footer Beschreibungstext</label>
+                <textarea id="footerBrandDescription" rows="2" class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400 resize-none">{siteConfig.footer?.brandDescription || ''}</textarea>
+              </div>
+              <div>
+                <label class="block text-xs font-semibold text-slate-400 mb-1">Copyright Text</label>
+                <input type="text" id="footerCopyrightText" value={siteConfig.footer?.copyrightText || ''} class="w-full glass-panel bg-slate-950/60 rounded-xl p-3 text-xs text-white focus:outline-none focus:border-sky-400" />
+              </div>
+              <label class="flex items-center gap-2 cursor-pointer">
+                <input type="checkbox" id="footerShowLegalLinks" checked={siteConfig.footer?.showLegalLinks !== false} class="rounded text-sky-400 focus:ring-0" />
+                <span class="text-xs text-slate-300 font-semibold">Rechtliche Links (Datenschutz & Impressum) im Footer anzeigen</span>
+              </label>
+            </div>
           </div>
 
+
         </div>
 
         <!-- Sidebar Column -->
@@ -193,9 +240,23 @@ const presets = Object.values(THEME_PRESETS);
             email: getVal('infoEmail'),
             phone: getVal('infoPhone'),
             address: getVal('infoAddress')
+          },
+          header: {
+            brandName: getVal('headerBrandName'),
+            brandHighlight: getVal('headerBrandHighlight'),
+            ctaText: getVal('headerCtaText'),
+            ctaLink: getVal('headerCtaLink'),
+            showThemeToggle: getBool('headerShowThemeToggle'),
+            glassEffect: getBool('headerGlassEffect')
+          },
+          footer: {
+            brandDescription: getVal('footerBrandDescription'),
+            copyrightText: getVal('footerCopyrightText'),
+            showLegalLinks: getBool('footerShowLegalLinks')
           }
         },
 
+
         themeConfig: {
           activePreset: selectedPreset
         },

src/pages/api/config.ts

@@ -20,8 +20,11 @@ export const POST: APIRoute = async ({ request }) => {
         ...currentSite,
         ...body.siteConfig,
         hero: { ...(currentSite.hero || {}), ...(body.siteConfig.hero || {}) },
-        site_info: { ...((currentSite as any).site_info || {}), ...(body.siteConfig.site_info || {}) }
+        site_info: { ...((currentSite as any).site_info || {}), ...(body.siteConfig.site_info || {}) },
+        header: { ...(currentSite.header || {}), ...(body.siteConfig.header || {}) },
+        footer: { ...(currentSite.footer || {}), ...(body.siteConfig.footer || {}) }
       };
+
       const sitePath = path.join(dataDir, 'site.config.json');
       const draftPath = path.join(dataDir, 'site.config.draft.json');
       fs.writeFileSync(sitePath, JSON.stringify(newSite, null, 2), 'utf8');