diff --git a/craft/src/components/media/ImageBlock.toHtml.test.ts b/craft/src/components/media/ImageBlock.toHtml.test.ts
index 8729db2..035e819 100644
--- a/craft/src/components/media/ImageBlock.toHtml.test.ts
+++ b/craft/src/components/media/ImageBlock.toHtml.test.ts
@@ -1,5 +1,5 @@
 import { describe, test, expect } from 'vitest';
-import { ImageBlock } from './ImageBlock';
+import { ImageBlock, pxAttr } from './ImageBlock';
 
 const toHtml = (ImageBlock as any).toHtml;
 
@@ -32,3 +32,95 @@ describe('ImageBlock.toHtml src/alt XSS hardening', () => {
     expect(html).toContain('alt="A photo"');
   });
 });
+
+describe('ImageBlock.toHtml perf attributes (always emitted)', () => {
+  test('loading="lazy" and decoding="async" are always present', () => {
+    const { html } = toHtml({ src: 'https://example.com/photo.jpg' }, '');
+    expect(html).toContain('loading="lazy"');
+    expect(html).toContain('decoding="async"');
+  });
+
+  test('width/height attributes are emitted when the style has plain px values', () => {
+    const { html } = toHtml({ src: 'https://example.com/photo.jpg', style: { width: '400px', height: '300px' } }, '');
+    expect(html).toContain('width="400"');
+    expect(html).toContain('height="300"');
+  });
+
+  test('width/height attributes are omitted when the style value is not a plain px length', () => {
+    const { html } = toHtml({ src: 'https://example.com/photo.jpg', style: { width: '50%', height: 'auto' } }, '');
+    expect(html).not.toMatch(/\swidth="/);
+    expect(html).not.toMatch(/\sheight="/);
+  });
+});
+
+describe('pxAttr', () => {
+  test('extracts the numeric portion of a plain px length', () => {
+    expect(pxAttr('400px')).toBe('400');
+    expect(pxAttr('12.5px')).toBe('12.5');
+  });
+
+  test('returns undefined for non-px units, non-string, or unset values', () => {
+    expect(pxAttr('50%')).toBeUndefined();
+    expect(pxAttr('auto')).toBeUndefined();
+    expect(pxAttr(undefined)).toBeUndefined();
+    expect(pxAttr(400)).toBeUndefined();
+  });
+});
+
+describe('ImageBlock.toHtml CSS framing crop (aspect-ratio + object-fit + object-position)', () => {
+  test('style.aspectRatio, objectFit, objectPosition all flow into the emitted style attribute', () => {
+    const { html } = toHtml(
+      { src: 'https://example.com/photo.jpg', style: { aspectRatio: '16 / 9', objectFit: 'cover', objectPosition: 'center top' } },
+      ''
+    );
+    expect(html).toContain('aspect-ratio:16 / 9');
+    expect(html).toContain('object-fit:cover');
+    expect(html).toContain('object-position:center top');
+  });
+});
+
+describe('ImageBlock.toHtml box-model styles (margin/padding/border/shadow/opacity)', () => {
+  test('margin/padding/border/box-shadow/opacity all flow into the emitted style attribute', () => {
+    const { html } = toHtml(
+      {
+        src: 'https://example.com/photo.jpg',
+        style: {
+          marginTop: '10px', marginRight: '10px', marginBottom: '10px', marginLeft: '10px',
+          paddingTop: '5px',
+          border: '2px solid #ff0000',
+          boxShadow: '0 4px 8px rgba(0,0,0,0.12)',
+          opacity: '0.8',
+        },
+      },
+      ''
+    );
+    expect(html).toContain('margin-top:10px');
+    expect(html).toContain('padding-top:5px');
+    expect(html).toContain('border:2px solid #ff0000');
+    expect(html).toContain('box-shadow:0 4px 8px rgba(0,0,0,0.12)');
+    expect(html).toContain('opacity:0.8');
+  });
+});
+
+describe('ImageBlock.craft.props exposes the box-model/animation/visibility rollout', () => {
+  test('animation, animationDelay, hideOnDesktop/Tablet/Mobile are present with blank/false defaults', () => {
+    const props = (ImageBlock as any).craft.props;
+    expect(props.animation).toBe('');
+    expect(props.animationDelay).toBe('0');
+    expect(props.hideOnDesktop).toBe(false);
+    expect(props.hideOnTablet).toBe(false);
+    expect(props.hideOnMobile).toBe(false);
+  });
+
+  test('style carries blank/default box-model and crop keys', () => {
+    const style = (ImageBlock as any).craft.props.style;
+    expect(style).toHaveProperty('aspectRatio');
+    expect(style).toHaveProperty('objectFit');
+    expect(style).toHaveProperty('objectPosition');
+    expect(style).toHaveProperty('marginTop');
+    expect(style).toHaveProperty('paddingTop');
+    expect(style.border).toBe('none');
+    expect(style.boxShadow).toBe('none');
+    expect(style.opacity).toBe('1');
+  });
+});
diff --git a/craft/src/components/media/ImageBlock.tsx b/craft/src/components/media/ImageBlock.tsx
index 1320790..7a0115c 100644
--- a/craft/src/components/media/ImageBlock.tsx
+++ b/craft/src/components/media/ImageBlock.tsx
@@ -9,6 +9,23 @@ interface ImageBlockProps {
   src?: string;
   alt?: string;
   style?: CSSProperties;
+  animation?: string;
+  animationDelay?: string;
+  hideOnDesktop?: boolean;
+  hideOnTablet?: boolean;
+  hideOnMobile?: boolean;
+}
+
+/** Extracts the numeric portion of a plain "<n>px" CSS length string, for
+ *  emitting real `width`/`height` HTML attributes on the exported `<img>`
+ *  (helps the browser reserve layout space before the image loads --
+ *  avoiding CLS -- something a CSS-only width/height can't do on its own).
+ *  Returns undefined for any other unit ('%', 'auto', '', etc.) so the
+ *  attribute is simply omitted when the pixel size isn't known. */
+export function pxAttr(v: unknown): string | undefined {
+  if (typeof v !== 'string') return undefined;
+  const m = v.trim().match(/^(\d+(?:\.\d+)?)px$/);
+  return m ? m[1] : undefined;
 }
 
 // Helper: upload a file to the WHP API and return the proxy URL
@@ -83,7 +100,27 @@ export const ImageBlock: UserComponent<ImageBlockProps> = ({
 
 ImageBlock.craft = {
   displayName: 'Image',
-  props: { src: PLACEHOLDER_SRC, alt: '', style: { width: '100%', height: 'auto' } },
+  props: {
+    src: PLACEHOLDER_SRC,
+    alt: '',
+    style: {
+      width: '100%',
+      height: 'auto',
+      aspectRatio: '',
+      objectFit: '' as CSSProperties['objectFit'],
+      objectPosition: '',
+      marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
+      paddingTop: '', paddingRight: '', paddingBottom: '', paddingLeft: '',
+      border: 'none',
+      boxShadow: 'none',
+      opacity: '1',
+    },
+    animation: '',
+    animationDelay: '0',
+    hideOnDesktop: false,
+    hideOnTablet: false,
+    hideOnMobile: false,
+  },
   rules: { canDrag: () => true, canMoveIn: () => false, canMoveOut: () => true },
 };
 
@@ -95,5 +132,8 @@ ImageBlock.craft = {
   }
   const s = cssPropsToString({ display: 'block', maxWidth: '100%', ...props.style });
   const alt = props.alt ? ` alt="${escapeAttr(props.alt)}"` : ' alt=""';
-  return { html: `<img src="${escapeAttr(safeImageUrl(src))}"${alt}${s ? ` style="${s}"` : ''} />` };
+  const widthAttr = pxAttr((props.style as any)?.width);
+  const heightAttr = pxAttr((props.style as any)?.height);
+  const dims = `${widthAttr ? ` width="${widthAttr}"` : ''}${heightAttr ? ` height="${heightAttr}"` : ''}`;
+  return { html: `<img src="${escapeAttr(safeImageUrl(src))}"${alt}${dims} loading="lazy" decoding="async"${s ? ` style="${s}"` : ''} />` };
 };
diff --git a/craft/src/components/media/MapEmbed.toHtml.test.ts b/craft/src/components/media/MapEmbed.toHtml.test.ts
index 33482d7..5743b2c 100644
--- a/craft/src/components/media/MapEmbed.toHtml.test.ts
+++ b/craft/src/components/media/MapEmbed.toHtml.test.ts
@@ -28,6 +28,49 @@ describe('MapEmbed.toHtml iframe src ampersand encoding (F-export review Minor)'
   });
 });
 
+describe('MapEmbed.toHtml box-model styles (margin/padding/border/shadow/opacity)', () => {
+  test('margin/padding/border/box-shadow/opacity all flow into the wrapper style attribute', () => {
+    const { html } = toHtml(
+      {
+        address: 'New York, NY',
+        style: {
+          marginTop: '16px',
+          paddingRight: '4px',
+          border: '1px solid #cccccc',
+          boxShadow: '0 4px 8px rgba(0,0,0,0.12)',
+          opacity: '0.95',
+        },
+      },
+      ''
+    );
+    expect(html).toContain('margin-top:16px');
+    expect(html).toContain('padding-right:4px');
+    expect(html).toContain('border:1px solid #cccccc');
+    expect(html).toContain('box-shadow:0 4px 8px rgba(0,0,0,0.12)');
+    expect(html).toContain('opacity:0.95');
+  });
+});
+
+describe('MapEmbed.craft.props exposes the animation/visibility rollout', () => {
+  test('animation, animationDelay, hideOnDesktop/Tablet/Mobile are present with blank/false defaults', () => {
+    const props = (MapEmbed as any).craft.props;
+    expect(props.animation).toBe('');
+    expect(props.animationDelay).toBe('0');
+    expect(props.hideOnDesktop).toBe(false);
+    expect(props.hideOnTablet).toBe(false);
+    expect(props.hideOnMobile).toBe(false);
+  });
+
+  test('style carries blank/default box-model keys', () => {
+    const style = (MapEmbed as any).craft.props.style;
+    expect(style).toHaveProperty('marginTop');
+    expect(style).toHaveProperty('paddingTop');
+    expect(style.border).toBe('none');
+    expect(style.boxShadow).toBe('none');
+    expect(style.opacity).toBe('1');
+  });
+});
+
 describe('MapEmbed.toHtml address/zoom/height XSS hardening', () => {
   test('a malicious address cannot break out of the src or title attribute', () => {
     const malicious = 'X" onerror="alert(1)';
diff --git a/craft/src/components/media/MapEmbed.tsx b/craft/src/components/media/MapEmbed.tsx
index 22d6e96..763982a 100644
--- a/craft/src/components/media/MapEmbed.tsx
+++ b/craft/src/components/media/MapEmbed.tsx
@@ -8,6 +8,11 @@ interface MapEmbedProps {
   zoom?: number;
   height?: string;
   style?: CSSProperties;
+  animation?: string;
+  animationDelay?: string;
+  hideOnDesktop?: boolean;
+  hideOnTablet?: boolean;
+  hideOnMobile?: boolean;
 }
 
 function buildMapUrl(address: string, zoom: number): string {
@@ -70,7 +75,18 @@ MapEmbed.craft = {
     address: 'New York, NY',
     zoom: 14,
     height: '400px',
-    style: {},
+    style: {
+      marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
+      paddingTop: '', paddingRight: '', paddingBottom: '', paddingLeft: '',
+      border: 'none',
+      boxShadow: 'none',
+      opacity: '1',
+    },
+    animation: '',
+    animationDelay: '0',
+    hideOnDesktop: false,
+    hideOnTablet: false,
+    hideOnMobile: false,
   },
   rules: {
     canDrag: () => true,
diff --git a/craft/src/components/media/VideoBlock.toHtml.test.ts b/craft/src/components/media/VideoBlock.toHtml.test.ts
index 37fb3f8..e8ecb5b 100644
--- a/craft/src/components/media/VideoBlock.toHtml.test.ts
+++ b/craft/src/components/media/VideoBlock.toHtml.test.ts
@@ -118,3 +118,75 @@ describe('VideoBlock.toHtml iframe src ampersand encoding (F-export review Minor
     expect(srcMatch![1]).not.toMatch(/&(?!amp;)/);
   });
 });
+
+describe('VideoBlock.toHtml size + aspect ratio (frame honors style props, not a hardcoded 16:9)', () => {
+  test('direct file: style.width flows to the wrapper, style.aspectRatio flows to the <video>', () => {
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4', style: { width: '50%', aspectRatio: '4 / 3' } }, '');
+    expect(html).toMatch(/<div style="[^"]*width:50%[^"]*"/);
+    expect(html).toMatch(/<video[^>]*style="[^"]*aspect-ratio:4 \/ 3[^"]*"/);
+  });
+
+  test('direct file: no aspectRatio set -- no aspect-ratio declaration is forced onto the <video>', () => {
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4' }, '');
+    const videoTag = html.match(/<video[^>]*>/)![0];
+    expect(videoTag).not.toContain('aspect-ratio');
+  });
+
+  test('YouTube/Vimeo: style.aspectRatio overrides the 16:9 default on the iframe container', () => {
+    const { html } = toHtml({ videoUrl: 'https://vimeo.com/123456789', style: { aspectRatio: '1 / 1' } }, '');
+    expect(html).toMatch(/<div[^>]*style="[^"]*aspect-ratio:1 \/ 1[^"]*"[^>]*><iframe/);
+  });
+
+  test('YouTube/Vimeo: defaults to 16 / 9 when no aspectRatio style is set', () => {
+    const { html } = toHtml({ videoUrl: 'https://vimeo.com/123456789' }, '');
+    expect(html).toMatch(/<div[^>]*style="[^"]*aspect-ratio:16 \/ 9[^"]*"[^>]*><iframe/);
+  });
+});
+
+describe('VideoBlock.toHtml poster + preload (file type)', () => {
+  test('poster attribute is emitted (escaped) and preload="metadata" is always present on a direct file', () => {
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4', poster: 'https://example.com/poster.jpg' }, '');
+    expect(html).toContain('poster="https://example.com/poster.jpg"');
+    expect(html).toContain('preload="metadata"');
+  });
+
+  test('no poster prop -- no poster attribute is emitted, but preload="metadata" still is', () => {
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4' }, '');
+    expect(html).not.toContain('poster=');
+    expect(html).toContain('preload="metadata"');
+  });
+
+  test('a malicious poster (javascript: scheme) is blocked by safeImageUrl', () => {
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4', poster: 'javascript:alert(1)' }, '');
+    expect(html).not.toContain('javascript:');
+  });
+
+  test('a poster value cannot break out of the poster attribute', () => {
+    const malicious = 'https://example.com/x.jpg" onerror="alert(1)';
+    const { html } = toHtml({ videoUrl: 'https://example.com/clip.mp4', poster: malicious }, '');
+    expect(html).not.toContain('onerror="alert(1)"');
+  });
+});
+
+describe('VideoBlock.craft.props exposes the box-model/animation/visibility rollout', () => {
+  test('poster, animation, animationDelay, hideOnDesktop/Tablet/Mobile are present with blank/false defaults', () => {
+    const props = (VideoBlock as any).craft.props;
+    expect(props.poster).toBe('');
+    expect(props.animation).toBe('');
+    expect(props.animationDelay).toBe('0');
+    expect(props.hideOnDesktop).toBe(false);
+    expect(props.hideOnTablet).toBe(false);
+    expect(props.hideOnMobile).toBe(false);
+  });
+
+  test('style carries blank/default box-model + size/aspect keys', () => {
+    const style = (VideoBlock as any).craft.props.style;
+    expect(style).toHaveProperty('width');
+    expect(style).toHaveProperty('aspectRatio');
+    expect(style).toHaveProperty('marginTop');
+    expect(style).toHaveProperty('paddingTop');
+    expect(style.border).toBe('none');
+    expect(style.boxShadow).toBe('none');
+    expect(style.opacity).toBe('1');
+  });
+});
diff --git a/craft/src/components/media/VideoBlock.tsx b/craft/src/components/media/VideoBlock.tsx
index 7abde01..d165e2b 100644
--- a/craft/src/components/media/VideoBlock.tsx
+++ b/craft/src/components/media/VideoBlock.tsx
@@ -2,7 +2,7 @@ import React, { CSSProperties } from 'react';
 import { useNode, Element, UserComponent } from '@craftjs/core';
 import { Container } from '../layout/Container';
 import { cssPropsToString } from '../../utils/style-helpers';
-import { escapeAttr, safeUrl } from '../../utils/escape';
+import { escapeAttr, safeUrl, safeImageUrl } from '../../utils/escape';
 
 /* ---------- Types ---------- */
 
@@ -12,6 +12,7 @@ interface VideoBlockProps {
   videoUrl?: string;
   videoType?: VideoType;
   embedUrl?: string;
+  poster?: string;
   autoplay?: boolean;
   muted?: boolean;
   loop?: boolean;
@@ -22,6 +23,11 @@ interface VideoBlockProps {
   innerMaxWidth?: string;
   style?: CSSProperties;
   children?: React.ReactNode;
+  animation?: string;
+  animationDelay?: string;
+  hideOnDesktop?: boolean;
+  hideOnTablet?: boolean;
+  hideOnMobile?: boolean;
 }
 
 /* ---------- URL detection ---------- */
@@ -120,6 +126,7 @@ export const VideoBlock: UserComponent<VideoBlockProps> = ({
   videoUrl = '',
   videoType: _videoTypeProp,
   embedUrl: _embedUrlProp,
+  poster = '',
   autoplay = false,
   muted = true,
   loop = false,
@@ -259,8 +266,7 @@ export const VideoBlock: UserComponent<VideoBlockProps> = ({
         <div
           style={{
             position: 'relative',
-            paddingBottom: '56.25%',
-            height: 0,
+            aspectRatio: (style as any)?.aspectRatio || '16 / 9',
             overflow: 'hidden',
             borderRadius: (style as any)?.borderRadius || undefined,
           }}
@@ -269,8 +275,7 @@ export const VideoBlock: UserComponent<VideoBlockProps> = ({
             src={buildEmbedParams(embedUrl, { autoplay, muted, loop, controls })}
             style={{
               position: 'absolute',
-              top: 0,
-              left: 0,
+              inset: 0,
               width: '100%',
               height: '100%',
               border: 'none',
@@ -284,14 +289,18 @@ export const VideoBlock: UserComponent<VideoBlockProps> = ({
       {type === 'file' && (
         <video
           src={embedUrl}
+          poster={poster || undefined}
           autoPlay={autoplay}
           muted={muted}
           loop={loop}
           controls={controls}
+          preload="metadata"
           playsInline
           style={{
             display: 'block',
             width: '100%',
+            aspectRatio: (style as any)?.aspectRatio || undefined,
+            objectFit: 'cover',
             borderRadius: (style as any)?.borderRadius || undefined,
           }}
         />
@@ -310,6 +319,7 @@ VideoBlock.craft = {
     videoUrl: '',
     videoType: 'none',
     embedUrl: '',
+    poster: '',
     autoplay: false,
     muted: true,
     loop: false,
@@ -318,7 +328,20 @@ VideoBlock.craft = {
     overlayColor: '#000000',
     overlayOpacity: 50,
     innerMaxWidth: '1200px',
-    style: {},
+    style: {
+      width: '',
+      aspectRatio: '',
+      marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
+      paddingTop: '', paddingRight: '', paddingBottom: '', paddingLeft: '',
+      border: 'none',
+      boxShadow: 'none',
+      opacity: '1',
+    },
+    animation: '',
+    animationDelay: '0',
+    hideOnDesktop: false,
+    hideOnTablet: false,
+    hideOnMobile: false,
   },
   rules: {
     canDrag: () => true,
@@ -334,6 +357,7 @@ VideoBlock.craft = {
 (VideoBlock as any).toHtml = (props: VideoBlockProps, childrenHtml: string) => {
   const {
     videoUrl = '',
+    poster = '',
     autoplay = false,
     muted = true,
     loop: doLoop = false,
@@ -422,15 +446,13 @@ VideoBlock.craft = {
     const iframeSrc = buildEmbedParams(embedUrl, { autoplay, muted, loop: doLoop, controls });
     const containerStyle = cssPropsToString({
       position: 'relative',
-      paddingBottom: '56.25%',
-      height: '0',
+      aspectRatio: (style as any)?.aspectRatio || '16 / 9',
       overflow: 'hidden',
       borderRadius: (style as any)?.borderRadius || undefined,
     });
     const iframeStyle = cssPropsToString({
       position: 'absolute',
-      top: '0',
-      left: '0',
+      inset: '0',
       width: '100%',
       height: '100%',
       border: 'none',
@@ -447,13 +469,16 @@ VideoBlock.craft = {
   if (doLoop) vidAttrs.push('loop');
   if (controls) vidAttrs.push('controls');
   vidAttrs.push('playsinline');
+  const posterAttr = poster ? ` poster="${escapeAttr(safeImageUrl(poster))}"` : '';
   const vidStyle = cssPropsToString({
     display: 'block',
     width: '100%',
+    aspectRatio: (style as any)?.aspectRatio || undefined,
+    objectFit: 'cover',
     borderRadius: (style as any)?.borderRadius || undefined,
   });
 
   return {
-    html: `<div${wrapperStyle ? ` style="${wrapperStyle}"` : ''}><video src="${escapeAttr(safeUrl(embedUrl))}" ${vidAttrs.join(' ')}${vidStyle ? ` style="${vidStyle}"` : ''}></video></div>`,
+    html: `<div${wrapperStyle ? ` style="${wrapperStyle}"` : ''}><video src="${escapeAttr(safeUrl(embedUrl))}"${posterAttr} preload="metadata" ${vidAttrs.join(' ')}${vidStyle ? ` style="${vidStyle}"` : ''}></video></div>`,
   };
 };
diff --git a/craft/src/components/sections/ContentSlider.toHtml.test.ts b/craft/src/components/sections/ContentSlider.toHtml.test.ts
index d4b147d..0fcce45 100644
--- a/craft/src/components/sections/ContentSlider.toHtml.test.ts
+++ b/craft/src/components/sections/ContentSlider.toHtml.test.ts
@@ -139,3 +139,46 @@ describe('ContentSlider.toHtml interval is NOT runtime-type-checked -- must be c
     expect(html).toMatch(/setInterval\(function\(\)\{show\(current\+1\);\},3000\);/);
   });
 });
+
+describe('ContentSlider.toHtml box-model styles (margin/padding/border/shadow/opacity)', () => {
+  test('margin/padding/border/box-shadow/opacity all flow into the section style attribute', () => {
+    const { html } = toHtml(
+      {
+        slides,
+        style: {
+          marginBottom: '24px',
+          paddingTop: '8px',
+          border: '3px dashed #00ff00',
+          boxShadow: '0 10px 24px rgba(0,0,0,0.18)',
+          opacity: '0.75',
+        },
+      },
+      ''
+    );
+    expect(html).toContain('margin-bottom:24px');
+    expect(html).toContain('padding-top:8px');
+    expect(html).toContain('border:3px dashed #00ff00');
+    expect(html).toContain('box-shadow:0 10px 24px rgba(0,0,0,0.18)');
+    expect(html).toContain('opacity:0.75');
+  });
+});
+
+describe('ContentSlider.craft.props exposes the animation/visibility rollout', () => {
+  test('animation, animationDelay, hideOnDesktop/Tablet/Mobile are present with blank/false defaults', () => {
+    const props = (ContentSlider as any).craft.props;
+    expect(props.animation).toBe('');
+    expect(props.animationDelay).toBe('0');
+    expect(props.hideOnDesktop).toBe(false);
+    expect(props.hideOnTablet).toBe(false);
+    expect(props.hideOnMobile).toBe(false);
+  });
+
+  test('style carries blank/default box-model keys', () => {
+    const style = (ContentSlider as any).craft.props.style;
+    expect(style).toHaveProperty('marginTop');
+    expect(style).toHaveProperty('paddingTop');
+    expect(style.border).toBe('none');
+    expect(style.boxShadow).toBe('none');
+    expect(style.opacity).toBe('1');
+  });
+});
diff --git a/craft/src/components/sections/ContentSlider.tsx b/craft/src/components/sections/ContentSlider.tsx
index 49cbe8d..37bc94f 100644
--- a/craft/src/components/sections/ContentSlider.tsx
+++ b/craft/src/components/sections/ContentSlider.tsx
@@ -21,6 +21,11 @@ interface ContentSliderProps {
   showArrows?: boolean;
   height?: string;
   style?: CSSProperties;
+  animation?: string;
+  animationDelay?: string;
+  hideOnDesktop?: boolean;
+  hideOnTablet?: boolean;
+  hideOnMobile?: boolean;
 }
 
 const defaultSlides: Slide[] = [
@@ -227,7 +232,18 @@ ContentSlider.craft = {
     showDots: true,
     showArrows: true,
     height: '400px',
-    style: {},
+    style: {
+      marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
+      paddingTop: '', paddingRight: '', paddingBottom: '', paddingLeft: '',
+      border: 'none',
+      boxShadow: 'none',
+      opacity: '1',
+    },
+    animation: '',
+    animationDelay: '0',
+    hideOnDesktop: false,
+    hideOnTablet: false,
+    hideOnMobile: false,
   },
   rules: {
     canDrag: () => true,
diff --git a/craft/src/components/sections/Gallery.toHtml.test.ts b/craft/src/components/sections/Gallery.toHtml.test.ts
index 664ee5b..22daeb6 100644
--- a/craft/src/components/sections/Gallery.toHtml.test.ts
+++ b/craft/src/components/sections/Gallery.toHtml.test.ts
@@ -3,6 +3,73 @@ import { Gallery } from './Gallery';
 
 const toHtml = (Gallery as any).toHtml;
 
+describe('Gallery.toHtml columns + lightbox controls (previously unexposed props)', () => {
+  test('columns drives the grid-template-columns repeat count', () => {
+    const { html } = toHtml({ images: [{ src: '/a.jpg', alt: 'a' }], columns: 5 }, '');
+    expect(html).toContain('grid-template-columns:repeat(5,1fr)');
+  });
+
+  test('lightbox=true adds the delegated-listener overlay markup (columns unaffected)', () => {
+    const { html } = toHtml({ images: [{ src: '/a.jpg', alt: 'a' }], columns: 4, lightbox: true }, '');
+    expect(html).toContain('grid-template-columns:repeat(4,1fr)');
+    expect(html).toContain('role="dialog"');
+  });
+
+  test('a non-numeric columns value falls back safely (Number() coercion, not NaN in the template)', () => {
+    const { html } = toHtml({ images: [{ src: '/a.jpg' }], columns: 'not-a-number' as any }, '');
+    expect(html).toContain('grid-template-columns:repeat(3,1fr)');
+  });
+});
+
+describe('Gallery.toHtml box-model styles (margin/padding/border/shadow/opacity)', () => {
+  test('margin/padding/border/box-shadow/opacity all flow into the section style attribute', () => {
+    const { html } = toHtml(
+      {
+        images: [{ src: '/a.jpg', alt: 'a' }],
+        style: {
+          marginTop: '20px',
+          paddingLeft: '12px',
+          border: '1px solid #333333',
+          boxShadow: '0 1px 2px rgba(0,0,0,0.08)',
+          opacity: '0.9',
+        },
+      },
+      ''
+    );
+    expect(html).toContain('margin-top:20px');
+    expect(html).toContain('padding-left:12px');
+    expect(html).toContain('border:1px solid #333333');
+    expect(html).toContain('box-shadow:0 1px 2px rgba(0,0,0,0.08)');
+    expect(html).toContain('opacity:0.9');
+  });
+});
+
+describe('Gallery.craft.props exposes columns/lightbox + the animation/visibility rollout', () => {
+  test('columns and lightbox have their existing defaults', () => {
+    const props = (Gallery as any).craft.props;
+    expect(props.columns).toBe(3);
+    expect(props.lightbox).toBe(false);
+  });
+
+  test('animation, animationDelay, hideOnDesktop/Tablet/Mobile are present with blank/false defaults', () => {
+    const props = (Gallery as any).craft.props;
+    expect(props.animation).toBe('');
+    expect(props.animationDelay).toBe('0');
+    expect(props.hideOnDesktop).toBe(false);
+    expect(props.hideOnTablet).toBe(false);
+    expect(props.hideOnMobile).toBe(false);
+  });
+
+  test('style carries blank/default box-model keys', () => {
+    const style = (Gallery as any).craft.props.style;
+    expect(style).toHaveProperty('marginTop');
+    expect(style).toHaveProperty('paddingTop');
+    expect(style.border).toBe('none');
+    expect(style.boxShadow).toBe('none');
+    expect(style.opacity).toBe('1');
+  });
+});
+
 describe('Gallery.toHtml lightbox uses a delegated listener, not per-item onclick (A4.3)', () => {
   test('no per-item inline onclick with interpolated src', () => {
     const { html } = toHtml({ images: [{ src: '/a.jpg', alt: 'a' }], lightbox: true }, '');
diff --git a/craft/src/components/sections/Gallery.tsx b/craft/src/components/sections/Gallery.tsx
index f30e7ab..10ceee3 100644
--- a/craft/src/components/sections/Gallery.tsx
+++ b/craft/src/components/sections/Gallery.tsx
@@ -15,6 +15,11 @@ interface GalleryProps {
   gap?: string;
   style?: CSSProperties;
   lightbox?: boolean;
+  animation?: string;
+  animationDelay?: string;
+  hideOnDesktop?: boolean;
+  hideOnTablet?: boolean;
+  hideOnMobile?: boolean;
 }
 
 const placeholderSvg = (index: number) => {
@@ -112,8 +117,20 @@ Gallery.craft = {
     images: defaultImages,
     columns: 3,
     gap: '16px',
-    style: { backgroundColor: '#ffffff' },
+    style: {
+      backgroundColor: '#ffffff',
+      marginTop: '', marginRight: '', marginBottom: '', marginLeft: '',
+      paddingTop: '', paddingRight: '', paddingBottom: '', paddingLeft: '',
+      border: 'none',
+      boxShadow: 'none',
+      opacity: '1',
+    },
     lightbox: false,
+    animation: '',
+    animationDelay: '0',
+    hideOnDesktop: false,
+    hideOnTablet: false,
+    hideOnMobile: false,
   },
   rules: {
     canDrag: () => true,
diff --git a/craft/src/panels/right/styles/ImageStylePanel.tsx b/craft/src/panels/right/styles/ImageStylePanel.tsx
index 659a814..e43121f 100644
--- a/craft/src/panels/right/styles/ImageStylePanel.tsx
+++ b/craft/src/panels/right/styles/ImageStylePanel.tsx
@@ -2,30 +2,28 @@ import React, { CSSProperties } from 'react';
 import { useEditor } from '@craftjs/core';
 import {
   IMAGE_RADIUS_PRESETS,
+  OBJECT_FIT,
 } from '../../../constants/presets';
 import {
   StylePanelProps,
   SectionLabel,
   PresetButtonGrid,
   TextInputField,
+  SizeControl,
+  AspectRatioControl,
+  FocalPointGrid,
   useNodeProp,
 } from './shared';
 import { AssetPicker } from '../../../ui/AssetPicker';
 import { PLACEHOLDER_SRC } from '../../../components/media/ImageBlock';
+import { BoxModelSection, BorderEffectsSection, AnimVisSection } from './mediaBoxModel';
 
 /* ---------- IMAGE (with upload/browse/drop) ---------- */
 export const ImageStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodeProps }) => {
   const { actions } = useEditor();
   const style: CSSProperties = nodeProps.style || {};
 
-  const { setPropStyle } = useNodeProp(selectedId);
-
-  const maxWidthPresets = [
-    { label: '25%', value: '25%' },
-    { label: '50%', value: '50%' },
-    { label: '75%', value: '75%' },
-    { label: '100%', value: '100%' },
-  ];
+  const { setProp, setPropStyle } = useNodeProp(selectedId);
 
   return (
     <>
@@ -49,6 +47,39 @@ export const ImageStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodePro
         }}
       />
 
+      {/* Size -- Width absorbs the historical maxWidth presets (25/50/75/100%
+          are a subset of SizeControl's default preset row), Height is new. */}
+      <SizeControl
+        label="Width"
+        value={(style.maxWidth as string) || ''}
+        onChange={(v) => setPropStyle('maxWidth', v)}
+      />
+      <SizeControl
+        label="Height"
+        value={(style.height as string) || ''}
+        onChange={(v) => setPropStyle('height', v)}
+      />
+
+      {/* Crop & Framing -- aspect-ratio + object-fit + object-position on the
+          <img> itself is a CSS framing crop (no server-side image processing
+          needed). */}
+      <AspectRatioControl
+        value={(style.aspectRatio as string) || ''}
+        onChange={(v) => setPropStyle('aspectRatio', v)}
+      />
+      <div className="guided-section">
+        <SectionLabel>Object Fit</SectionLabel>
+        <PresetButtonGrid
+          presets={OBJECT_FIT}
+          activeValue={(style.objectFit as string) || ''}
+          onSelect={(v) => setPropStyle('objectFit', v)}
+        />
+      </div>
+      <FocalPointGrid
+        value={(style.objectPosition as string) || ''}
+        onChange={(v) => setPropStyle('objectPosition', v)}
+      />
+
       {/* Border Radius */}
       <div className="guided-section">
         <SectionLabel>Border Radius</SectionLabel>
@@ -59,15 +90,10 @@ export const ImageStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodePro
         />
       </div>
 
-      {/* Max Width */}
-      <div className="guided-section">
-        <SectionLabel>Max Width</SectionLabel>
-        <PresetButtonGrid
-          presets={maxWidthPresets}
-          activeValue={style.maxWidth as string}
-          onSelect={(v) => setPropStyle('maxWidth', v)}
-        />
-      </div>
+      {/* Box model + animation/visibility rollout */}
+      <BoxModelSection style={style} setPropStyle={setPropStyle} />
+      <BorderEffectsSection style={style} setPropStyle={setPropStyle} />
+      <AnimVisSection nodeProps={nodeProps} setProp={setProp} />
     </>
   );
 };
diff --git a/craft/src/panels/right/styles/MediaStylePanel.tsx b/craft/src/panels/right/styles/MediaStylePanel.tsx
index 8219dbb..fd9a431 100644
--- a/craft/src/panels/right/styles/MediaStylePanel.tsx
+++ b/craft/src/panels/right/styles/MediaStylePanel.tsx
@@ -2,7 +2,6 @@ import React from 'react';
 import { useEditor } from '@craftjs/core';
 import {
   BG_COLORS,
-  SPACING_PRESETS,
   RADIUS_PRESETS,
 } from '../../../constants/presets';
 import {
@@ -13,6 +12,8 @@ import {
   CollapsibleSection,
   ColorPickerField,
   ArrayPropEditor,
+  SizeControl,
+  AspectRatioControl,
   labelStyle,
   inputStyle,
   smallInputStyle,
@@ -20,6 +21,14 @@ import {
   useNodeProp,
 } from './shared';
 import { AssetPicker } from '../../../ui/AssetPicker';
+import { BoxModelSection, BorderEffectsSection, AnimVisSection } from './mediaBoxModel';
+
+const GALLERY_COLUMN_PRESETS = [
+  { label: '2', value: '2' },
+  { label: '3', value: '3' },
+  { label: '4', value: '4' },
+  { label: '5', value: '5' },
+];
 
 /* ---------- MEDIA (Video / Gallery / Map / Slider) ---------- */
 export const MediaStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodeProps }) => {
@@ -30,11 +39,48 @@ export const MediaStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodePro
 
   return (
     <>
-      {/* Video URL */}
+      {/* Video source -- upload/browse/paste-URL (paste-URL still handles
+          YouTube/Vimeo; upload/browse handle files via detectVideoType's
+          serve_asset resolution). */}
       {nodeProps.videoUrl !== undefined && (
-        <div style={sectionGap}>
-          <label style={labelStyle}>Video URL</label>
-          <input type="text" value={nodeProps.videoUrl || ''} onChange={(e) => setProp('videoUrl', e.target.value)} placeholder="YouTube, Vimeo, or .mp4 URL" style={inputStyle} />
+        <div className="guided-section">
+          <SectionLabel>Video Source</SectionLabel>
+          <AssetPicker
+            mediaType="video"
+            value={nodeProps.videoUrl || ''}
+            onChange={(url) => setProp('videoUrl', url)}
+            variant="full"
+            placeholder="Or paste a YouTube/Vimeo/.mp4 URL..."
+          />
+        </div>
+      )}
+
+      {/* Video size -- width + aspect ratio for the video frame. */}
+      {nodeProps.videoUrl !== undefined && (
+        <>
+          <SizeControl
+            label="Width"
+            value={(style.width as string) || ''}
+            onChange={(v) => setPropStyle('width', v)}
+          />
+          <AspectRatioControl
+            value={(style.aspectRatio as string) || ''}
+            onChange={(v) => setPropStyle('aspectRatio', v)}
+          />
+        </>
+      )}
+
+      {/* Poster image (optional, file-type videos only in practice but
+          harmless to offer whenever the component has a poster prop). */}
+      {nodeProps.poster !== undefined && (
+        <div className="guided-section">
+          <SectionLabel>Poster Image (optional)</SectionLabel>
+          <AssetPicker
+            mediaType="image"
+            value={nodeProps.poster || ''}
+            onChange={(url) => setProp('poster', url)}
+            variant="full"
+          />
         </div>
       )}
 
@@ -80,6 +126,26 @@ export const MediaStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodePro
         </div>
       )}
 
+      {/* Gallery layout -- columns + lightbox (existing-but-previously-unexposed props). */}
+      {nodeProps.images !== undefined && Array.isArray(nodeProps.images) && (
+        <>
+          <div className="guided-section">
+            <SectionLabel>Columns</SectionLabel>
+            <PresetButtonGrid
+              presets={GALLERY_COLUMN_PRESETS}
+              activeValue={String(nodeProps.columns ?? 3)}
+              onSelect={(v) => setProp('columns', Number(v))}
+            />
+          </div>
+          <div style={sectionGap}>
+            <label style={{ ...labelStyle, display: 'flex', alignItems: 'center', gap: 6, cursor: 'pointer' }}>
+              <input type="checkbox" checked={!!nodeProps.lightbox} onChange={(e) => setProp('lightbox', e.target.checked)} />
+              Enable Lightbox
+            </label>
+          </div>
+        </>
+      )}
+
       {/* Gallery items */}
       {nodeProps.images !== undefined && Array.isArray(nodeProps.images) && (
         <CollapsibleSection title="Images">
@@ -178,21 +244,23 @@ export const MediaStylePanel: React.FC<StylePanelProps> = ({ selectedId, nodePro
         </CollapsibleSection>
       )}
 
-      {/* Background & padding */}
+      {/* Background & radius */}
       <CollapsibleSection title="Style" defaultOpen={false}>
         <div className="guided-section">
           <SectionLabel>Background</SectionLabel>
           <ColorSwatchGrid colors={BG_COLORS} activeValue={style.backgroundColor} onSelect={(v: string) => setPropStyle('backgroundColor', v)} />
         </div>
-        <div className="guided-section">
-          <SectionLabel>Padding</SectionLabel>
-          <PresetButtonGrid presets={SPACING_PRESETS} activeValue={style.padding as string} onSelect={(v) => setPropStyle('padding', v)} />
-        </div>
         <div className="guided-section">
           <SectionLabel>Border Radius</SectionLabel>
           <PresetButtonGrid presets={RADIUS_PRESETS} activeValue={style.borderRadius as string} onSelect={(v) => setPropStyle('borderRadius', v)} />
         </div>
       </CollapsibleSection>
+
+      {/* Box model + animation/visibility rollout (Video/Gallery/Map/Slider
+          all carry these props now, so it's safe to render unconditionally). */}
+      <BoxModelSection style={style} setPropStyle={setPropStyle} />
+      <BorderEffectsSection style={style} setPropStyle={setPropStyle} />
+      <AnimVisSection nodeProps={nodeProps} setProp={setProp} />
     </>
   );
 };
diff --git a/craft/src/panels/right/styles/MediaStylePanel.video.test.tsx b/craft/src/panels/right/styles/MediaStylePanel.video.test.tsx
new file mode 100644
index 0000000..fdddc82
--- /dev/null
+++ b/craft/src/panels/right/styles/MediaStylePanel.video.test.tsx
@@ -0,0 +1,149 @@
+import { describe, test, expect, vi, beforeEach, afterEach } from 'vitest';
+import React from 'react';
+import { createRoot, Root } from 'react-dom/client';
+import { act } from 'react-dom/test-utils';
+
+/* Same DOM-harness pattern as MediaStylePanel.slides.test.tsx -- mock
+   @craftjs/core's useEditor so setProp calls can be observed without
+   mounting a real <Editor> tree, and mock utils/assets so AssetPicker
+   doesn't hit the network. */
+const setPropSpy = vi.fn((_id: string, updater: (p: any) => void) => {
+  updater(lastProps);
+});
+let lastProps: any;
+
+vi.mock('@craftjs/core', () => ({
+  useEditor: () => ({ actions: { setProp: setPropSpy } }),
+}));
+
+vi.mock('../../../utils/assets', () => ({
+  uploadAsset: vi.fn(),
+  listAssets: vi.fn(),
+}));
+
+import { MediaStylePanel } from './MediaStylePanel';
+
+let container: HTMLDivElement;
+let root: Root;
+
+function render(ui: React.ReactElement) {
+  container = document.createElement('div');
+  document.body.appendChild(container);
+  act(() => {
+    root = createRoot(container);
+    root.render(ui);
+  });
+}
+
+function unmount() {
+  act(() => { root.unmount(); });
+  container.remove();
+}
+
+function q<T extends Element = Element>(testId: string): T | null {
+  return container.querySelector(`[data-testid="${testId}"]`);
+}
+
+function qAll<T extends Element = Element>(testId: string): T[] {
+  return Array.from(container.querySelectorAll(`[data-testid="${testId}"]`));
+}
+
+function setValue(input: HTMLInputElement, value: string) {
+  const setter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, 'value')!.set!;
+  setter.call(input, value);
+  input.dispatchEvent(new Event('input', { bubbles: true }));
+}
+
+beforeEach(() => {
+  setPropSpy.mockClear();
+});
+
+afterEach(() => {
+  if (container) unmount();
+});
+
+describe('MediaStylePanel Video source uses AssetPicker (upload/browse/paste-URL), not a plain text input', () => {
+  test('renders a full-variant AssetPicker (not the old plain input) for videoUrl', () => {
+    lastProps = { videoUrl: '', poster: '', style: {} };
+    render(<MediaStylePanel selectedId="vid-1" nodeProps={lastProps} />);
+    expect(q('asset-picker-full')).not.toBeNull();
+  });
+
+  test('applying a pasted URL via the AssetPicker writes videoUrl (not some other key)', () => {
+    lastProps = { videoUrl: '', poster: '', style: {} };
+    render(<MediaStylePanel selectedId="vid-1" nodeProps={lastProps} />);
+
+    // The Video Source AssetPicker is the first url-input on the page (the
+    // Poster picker is a second, separate AssetPicker instance below it).
+    const urlInput = qAll<HTMLInputElement>('asset-picker-url-input')[0];
+    expect(urlInput).toBeTruthy();
+    setValue(urlInput, 'https://example.com/clip.mp4');
+
+    const applyBtn = qAll<HTMLButtonElement>('asset-picker-apply')[0];
+    act(() => {
+      applyBtn.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(setPropSpy).toHaveBeenCalled();
+    expect(lastProps.videoUrl).toBe('https://example.com/clip.mp4');
+  });
+
+  test('a video-shaped selection also renders a Poster AssetPicker (image) that writes `poster`', () => {
+    lastProps = { videoUrl: 'https://example.com/clip.mp4', poster: '', style: {} };
+    render(<MediaStylePanel selectedId="vid-1" nodeProps={lastProps} />);
+
+    const pickers = qAll('asset-picker-full');
+    expect(pickers.length).toBe(2); // Video Source + Poster Image
+
+    const urlInputs = qAll<HTMLInputElement>('asset-picker-url-input');
+    const posterInput = urlInputs[1];
+    setValue(posterInput, 'https://example.com/poster.jpg');
+    const applyBtns = qAll<HTMLButtonElement>('asset-picker-apply');
+    act(() => {
+      applyBtns[1].dispatchEvent(new MouseEvent('click', { bubbles: true }));
+    });
+
+    expect(lastProps.poster).toBe('https://example.com/poster.jpg');
+  });
+});
+
+describe('MediaStylePanel Video size controls (Width + Aspect Ratio) are gated on videoUrl', () => {
+  test('a video-shaped selection renders SizeControl + AspectRatioControl', () => {
+    lastProps = { videoUrl: '', poster: '', style: {} };
+    render(<MediaStylePanel selectedId="vid-1" nodeProps={lastProps} />);
+    expect(q('size-control')).not.toBeNull();
+    expect(q('aspect-ratio-control')).not.toBeNull();
+  });
+
+  test('a Map-shaped selection (no videoUrl) does NOT render the video size controls', () => {
+    lastProps = { address: 'New York, NY', zoom: 14, height: '400px', style: {} };
+    render(<MediaStylePanel selectedId="map-1" nodeProps={lastProps} />);
+    expect(q('size-control')).toBeNull();
+    expect(q('aspect-ratio-control')).toBeNull();
+  });
+});
+
+function openCollapsibleByTitle(title: string) {
+  const btn = Array.from(container.querySelectorAll('button')).find((b) => b.textContent?.includes(title));
+  expect(btn).toBeTruthy();
+  act(() => {
+    btn!.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+  });
+}
+
+describe('MediaStylePanel box-model + animation/visibility rollout renders for every media type', () => {
+  test('a Map-shaped selection still gets Spacing / Border & Effects / Animation & Visibility sections (collapsed by default, open on click)', () => {
+    lastProps = { address: 'New York, NY', zoom: 14, height: '400px', style: {}, animation: '', hideOnDesktop: false };
+    render(<MediaStylePanel selectedId="map-1" nodeProps={lastProps} />);
+
+    openCollapsibleByTitle('Spacing');
+    expect(q('spacing-control')).not.toBeNull();
+
+    openCollapsibleByTitle('Border & Effects');
+    expect(q('border-control')).not.toBeNull();
+
+    openCollapsibleByTitle('Animation & Visibility');
+    expect(q('animation-control')).not.toBeNull();
+    expect(q('visibility-control')).not.toBeNull();
+  });
+});
diff --git a/craft/src/panels/right/styles/mediaBoxModel.tsx b/craft/src/panels/right/styles/mediaBoxModel.tsx
new file mode 100644
index 0000000..3c6a6c3
--- /dev/null
+++ b/craft/src/panels/right/styles/mediaBoxModel.tsx
@@ -0,0 +1,133 @@
+import React from 'react';
+import { SHADOW_PRESETS } from '../../../constants/presets';
+import {
+  SectionLabel,
+  PresetButtonGrid,
+  CollapsibleSection,
+  SpacingControl,
+  SpacingSide,
+  BorderControl,
+  BorderValue,
+  buildBorderShorthand,
+  AnimationControl,
+  VisibilityControl,
+  sectionGap,
+  labelStyle,
+} from './shared';
+
+/* ==========================================================================
+   Shared box-model / border+effects / animation+visibility sections for the
+   MEDIA package's panels (ImageStylePanel + MediaStylePanel). Kept local to
+   this package (not in shared.tsx, which is foundation/import-only) since
+   it's just DRY-ing the identical JSX block across ImageBlock/VideoBlock/
+   Gallery/ContentSlider/MapEmbed rather than a genuinely cross-package
+   reusable control.
+   ========================================================================== */
+
+function capitalize(s: string): string {
+  return s.charAt(0).toUpperCase() + s.slice(1);
+}
+
+/** Parses a `border` shorthand string (e.g. "2px solid #ff0000") back into
+ *  the {width,style,color} shape BorderControl edits. Only needs to
+ *  round-trip values this same panel produced via buildBorderShorthand --
+ *  not arbitrary author-supplied CSS. */
+export function parseBorderShorthand(v: string | undefined): BorderValue {
+  if (!v || v === 'none') return { width: '', style: 'none', color: '#000000' };
+  const m = String(v).trim().match(/^(\d+(?:\.\d+)?(?:px|em|rem)?)\s+(\w+)\s+(.+)$/);
+  if (!m) return { width: '', style: 'none', color: '#000000' };
+  return { width: m[1], style: m[2], color: m[3] };
+}
+
+export interface BoxModelSectionProps {
+  style: Record<string, any>;
+  setPropStyle: (prop: string, value: string) => void;
+}
+
+/** Margin + Padding, per-side, via the shared SpacingControl. */
+export const BoxModelSection: React.FC<BoxModelSectionProps> = ({ style, setPropStyle }) => {
+  const sideSetter = (kind: 'margin' | 'padding') => (side: SpacingSide, value: string) =>
+    setPropStyle(`${kind}${capitalize(side)}`, value);
+
+  return (
+    <CollapsibleSection title="Spacing" defaultOpen={false}>
+      <SpacingControl
+        label="Margin"
+        value={{ top: style.marginTop, right: style.marginRight, bottom: style.marginBottom, left: style.marginLeft }}
+        onChange={sideSetter('margin')}
+      />
+      <SpacingControl
+        label="Padding"
+        value={{ top: style.paddingTop, right: style.paddingRight, bottom: style.paddingBottom, left: style.paddingLeft }}
+        onChange={sideSetter('padding')}
+      />
+    </CollapsibleSection>
+  );
+};
+
+/** style.opacity is stored as a CSS-length-free numeric string ("0.8") or
+ *  may be blank/undefined (treated as fully opaque). Converts to a 0-100
+ *  integer for the range input / label. */
+function opacityPercent(v: unknown): number {
+  if (v === undefined || v === null || v === '') return 100;
+  const n = parseFloat(String(v));
+  return Number.isFinite(n) ? Math.round(n * 100) : 100;
+}
+
+export interface BorderEffectsSectionProps {
+  style: Record<string, any>;
+  setPropStyle: (prop: string, value: string) => void;
+}
+
+/** Border (width/style/color) + box-shadow preset + opacity slider. */
+export const BorderEffectsSection: React.FC<BorderEffectsSectionProps> = ({ style, setPropStyle }) => (
+  <CollapsibleSection title="Border & Effects" defaultOpen={false}>
+    <BorderControl
+      value={parseBorderShorthand(style.border)}
+      onChange={(v) => setPropStyle('border', buildBorderShorthand(v))}
+    />
+    <div className="guided-section">
+      <SectionLabel>Shadow</SectionLabel>
+      <PresetButtonGrid presets={SHADOW_PRESETS} activeValue={style.boxShadow} onSelect={(v) => setPropStyle('boxShadow', v)} />
+    </div>
+    <div style={sectionGap}>
+      <label style={labelStyle}>Opacity: {opacityPercent(style.opacity)}%</label>
+      <input
+        type="range"
+        min={0}
+        max={100}
+        value={opacityPercent(style.opacity)}
+        onChange={(e) => setPropStyle('opacity', String(Number(e.target.value) / 100))}
+        style={{ width: '100%' }}
+      />
+    </div>
+  </CollapsibleSection>
+);
+
+export interface AnimVisSectionProps {
+  nodeProps: Record<string, any>;
+  setProp: (key: string, value: any) => void;
+}
+
+/** Entrance animation + responsive hide toggles -- top-level props consumed
+ *  directly by html-export.ts's buildDataAttrs (no toHtml change needed). */
+export const AnimVisSection: React.FC<AnimVisSectionProps> = ({ nodeProps, setProp }) => (
+  <CollapsibleSection title="Animation & Visibility" defaultOpen={false}>
+    <AnimationControl
+      value={{ animation: nodeProps.animation || 'none', animationDelay: nodeProps.animationDelay }}
+      onChange={(v) => { setProp('animation', v.animation); setProp('animationDelay', v.animationDelay); }}
+    />
+    <VisibilityControl
+      value={{
+        hideOnDesktop: nodeProps.hideOnDesktop,
+        hideOnTablet: nodeProps.hideOnTablet,
+        hideOnMobile: nodeProps.hideOnMobile,
+      }}
+      onChange={(v) => {
+        setProp('hideOnDesktop', !!v.hideOnDesktop);
+        setProp('hideOnTablet', !!v.hideOnTablet);
+        setProp('hideOnMobile', !!v.hideOnMobile);
+      }}
+    />
+  </CollapsibleSection>
+);