diff --git a/portal/index.html b/portal/index.html
index 83210ea..35d1db3 100644
--- a/portal/index.html
+++ b/portal/index.html
@@ -579,8 +579,8 @@
                   <div>
                     <label style="display: block; margin-bottom: 8px; font-weight: 500;">Header Image</label>
                     <p style="color: #666; font-size: 13px; margin-bottom: 8px;">Displayed at the top of your menu. Recommended: 1200x400px</p>
-                    <div id="headerPreviewWrapper" style="width: 100%; border-radius: 8px; margin-bottom: 8px; overflow: hidden; background: #f0f0f0;">
-                      <img id="headerPreview" src="" alt="" style="width: 100%; display: none; border-radius: 8px;">
+                    <div id="headerPreviewWrapper" style="max-width: 1200px; border-radius: 8px; margin-bottom: 8px; overflow: hidden; background: #fff;">
+                      <img id="headerPreview" src="" alt="" style="width: 100%; display: none;">
                     </div>
                     <button class="btn btn-secondary" onclick="Portal.uploadHeader()" style="width: 100%;">
                       <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="margin-right: 8px;">
@@ -593,7 +593,7 @@
                     <label style="display: block; margin-bottom: 8px; font-weight: 500;">Brand Color</label>
                     <p style="color: #666; font-size: 13px; margin-bottom: 8px;">Used for accents and fallback backgrounds</p>
                     <div style="display: flex; gap: 12px; align-items: center;">
-                      <span id="brandColorSwatch" style="width: 40px; height: 40px; border-radius: 8px; background: #1B4D3E; border: 2px solid rgba(255,255,255,0.2); cursor: pointer;" onclick="Portal.showBrandColorPicker()"></span>
+                      <div id="brandColorSwatch" style="min-width: 40px; width: 40px; min-height: 40px; height: 40px; border-radius: 8px; background: #1B4D3E; border: 2px solid rgba(0,0,0,0.1); cursor: pointer; flex-shrink: 0;" onclick="Portal.showBrandColorPicker()"></div>
                       <button class="btn btn-secondary" onclick="Portal.showBrandColorPicker()" style="flex: 1;">
                         Change Color
                       </button>
diff --git a/portal/portal.js b/portal/portal.js
index 15a940c..c767d02 100644
--- a/portal/portal.js
+++ b/portal/portal.js
@@ -742,8 +742,6 @@ const Portal = {
           this.brandColor = brandColor;
           const swatch = document.getElementById('brandColorSwatch');
           if (swatch) swatch.style.background = brandColor;
-          const headerWrapper = document.getElementById('headerPreviewWrapper');
-          if (headerWrapper) headerWrapper.style.background = brandColor;
         }
 
         // Load header preview
@@ -1247,8 +1245,6 @@ const Portal = {
         this.brandColor = color;
         const swatch = document.getElementById('brandColorSwatch');
         if (swatch) swatch.style.background = color;
-        const headerWrapper = document.getElementById('headerPreviewWrapper');
-        if (headerWrapper) headerWrapper.style.background = color;
         this.closeModal();
         this.toast('Brand color saved!', 'success');
       } else {