fix(container): align block children when Content Alignment is set

textAlign only affects inline content, so block children like ImageBlock
(display:block, width:100%) ignored it. Switch to flex-column with
align-items mapped from textAlign whenever alignment is set; layout is
unchanged when alignment is unset.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

craft/src/components/layout/Container.tsx

@@ -20,6 +20,17 @@ interface ContainerProps {
   contentWidth?: 'boxed' | 'full';
 }
 
+// Map textAlign to a flex alignItems value so block-level children (images,
+// columns, sections) align horizontally — textAlign alone only affects inline
+// content. Returns undefined when no alignment is set so we leave layout as
+// normal block flow.
+const flexAlignFromTextAlign = (textAlign: CSSProperties['textAlign']): CSSProperties => {
+  if (textAlign === 'center') return { display: 'flex', flexDirection: 'column', alignItems: 'center' };
+  if (textAlign === 'right') return { display: 'flex', flexDirection: 'column', alignItems: 'flex-end' };
+  if (textAlign === 'left') return { display: 'flex', flexDirection: 'column', alignItems: 'flex-start' };
+  return {};
+};
+
 export const Container: UserComponent<ContainerProps> = ({
   style = {},
   tag = 'div',
@@ -29,14 +40,16 @@ export const Container: UserComponent<ContainerProps> = ({
 }) => {
   const { connectors: { connect, drag } } = useNode();
 
+  const needsBoxedWrapper = contentWidth === 'boxed';
+  const flexStyles = flexAlignFromTextAlign(style.textAlign);
+
   const outerStyle: CSSProperties = {
     minHeight: '40px',
     ...style,
     ...(fullWidth ? { width: '100vw', marginLeft: 'calc(-50vw + 50%)' } : {}),
+    ...(needsBoxedWrapper ? {} : flexStyles),
   };
 
-  const needsBoxedWrapper = contentWidth === 'boxed';
-
   const el = React.createElement(
     tag,
     {
@@ -45,7 +58,7 @@ export const Container: UserComponent<ContainerProps> = ({
       'data-craft-container': 'true',
     },
     needsBoxedWrapper
-      ? React.createElement('div', { style: { maxWidth: '1200px', margin: '0 auto' } }, children)
+      ? React.createElement('div', { style: { maxWidth: '1200px', margin: '0 auto', ...flexStyles } }, children)
       : children,
   );
 
@@ -306,7 +319,13 @@ Container.craft = {
 
 (Container as any).toHtml = (props: ContainerProps, childrenHtml: string) => {
   const tag = props.tag || 'div';
-  const outerCss: CSSProperties = { ...props.style };
+  const isBoxed = props.contentWidth === 'boxed';
+  const flexStyles = flexAlignFromTextAlign(props.style?.textAlign);
+
+  const outerCss: CSSProperties = {
+    ...props.style,
+    ...(isBoxed ? {} : flexStyles),
+  };
 
   if (props.fullWidth) {
     outerCss.width = '100vw';
@@ -315,8 +334,8 @@ Container.craft = {
 
   const styleStr = cssPropsToString(outerCss);
 
-  if (props.contentWidth === 'boxed') {
+  if (isBoxed) {
-    const innerStyle = cssPropsToString({ maxWidth: '1200px', margin: '0 auto' });
+    const innerStyle = cssPropsToString({ maxWidth: '1200px', margin: '0 auto', ...flexStyles });
     return { html: `<${tag}${styleStr ? ` style="${styleStr}"` : ''}><div${innerStyle ? ` style="${innerStyle}"` : ''}>${childrenHtml}</div></${tag}>` };
   }