EagleCast

2026-07-09 10:03:32 -04:00
commit 66d9a033c9
446 changed files with 162542 additions and 0 deletions
@@ -0,0 +1,26 @@
+module.exports = {
+  root: true,
+  env: {
+    browser: true,
+    node: true,
+    es2022: true,
+  },
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+    ecmaFeatures: {
+      jsx: true,
+    },
+  },
+  plugins: ['@typescript-eslint', 'react-hooks', 'simple-import-sort'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react-hooks/recommended',
+  ],
+  ignorePatterns: ['dist', 'node_modules'],
+  rules: {
+    'simple-import-sort/imports': 'off',
+  },
+};
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Waypoint (Metaccountant, Inc.)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
@@ -0,0 +1,10 @@
+# @usewaypoint/editor-sample
+
+Use this as a sample to self-host EmailBuilder.js.
+
+To run this locally, fork the repository and then in this directory run:
+
+- `npm install`
+- `npx vite`
+
+Once the server is running, open http://localhost:5173/email-builder-js/ in your browser.
@@ -0,0 +1,87 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css" />
+    <link rel="icon" type="image/png" sizes="32x32" href="/src/favicon/favicon-32x32.png" />
+    <link rel="icon" type="image/png" sizes="16x16" href="/src/favicon/favicon-16x16.png" />
+    <meta name="viewport" content="width=900" />
+    <meta name="description" content="EmailBuilder.js interactive playground. Brought to you by Waypoint." />
+    <title>EmailBuilder.js &mdash; Free and Open Source Template Builder</title>
+    <style>
+      html {
+        margin: 0px;
+        height: 100vh;
+        width: 100%;
+      }
+      body {
+        min-height: 100vh;
+        width: 100%;
+      }
+      #root {
+        /* height: 100vh; */
+        width: 800px;
+        position: relative;
+      }
+      .root-wrapper {
+        padding: 100px;
+        background-color: black;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="root-wrapper">
+      <div id="root" class="email-builder-container"></div>
+    </div>
+    <script type="module">
+      const testData = {
+        "root": {
+          "type": "EmailLayout",
+          "data": {
+            "backdropColor": "#F5F5F5",
+            "canvasColor": "#FFFFFF",
+            "textColor": "#262626",
+            "fontFamily": "MODERN_SANS",
+            "childrenIds": [
+              "block-1727858083795"
+            ]
+          }
+        },
+        "block-1727858083795": {
+          "type": "Text",
+          "data": {
+            "style": {
+              "fontWeight": "normal",
+              "padding": {
+                "top": 16,
+                "bottom": 16,
+                "right": 24,
+                "left": 24
+              }
+            },
+            "props": {
+              "markdown": false,
+              "text": "Test template"
+            }
+          }
+        }
+      }
+
+      import('/src/main.tsx')
+        .then(module => {
+          module.render('root', { data: testData, onChange: (json, html) => {
+            console.log("onChange", json, html)
+          }});
+        })
+        .catch(error => {
+          console.error('Error loading the module:', error);
+        });
+    </script>
+
+    <!-- Prod build -->
+    <!-- <script src="dist/eaglecast-email-builder.umd.js"></script>
+    <script>
+      EmailBuilder.render("root");
+    </script> -->
+  </body>
+</html>
@@ -0,0 +1,51 @@
+{
+  "name": "@eaglecast/email-builder",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@emotion/react": "^11.11.3",
+    "@emotion/styled": "^11.11.0",
+    "@mui/icons-material": "^5.15.10",
+    "@mui/material": "^5.15.10",
+    "@usewaypoint/block-avatar": "^0.0.3",
+    "@usewaypoint/block-button": "^0.0.3",
+    "@usewaypoint/block-columns-container": "^0.0.3",
+    "@usewaypoint/block-container": "^0.0.2",
+    "@usewaypoint/block-divider": "^0.0.4",
+    "@usewaypoint/block-heading": "^0.0.3",
+    "@usewaypoint/block-html": "^0.0.3",
+    "@usewaypoint/block-image": "^0.0.5",
+    "@usewaypoint/block-spacer": "^0.0.3",
+    "@usewaypoint/block-text": "^0.0.6",
+    "@usewaypoint/document-core": "^0.0.6",
+    "@usewaypoint/email-builder": "^0.0.8",
+    "highlight.js": "^11.9.0",
+    "prettier": "^3.2.5",
+    "react": "^18.2.0",
+    "react-colorful": "^5.6.1",
+    "react-dom": "^18.2.0",
+    "zod": "^3.22.4",
+    "zustand": "^4.5.1"
+  },
+  "devDependencies": {
+    "@types/node": "^22.7.4",
+    "@types/react": "^18.2.55",
+    "@types/react-dom": "^18.2.19",
+    "@typescript-eslint/eslint-plugin": "^6.21.0",
+    "@typescript-eslint/parser": "^6.21.0",
+    "@vitejs/plugin-react-swc": "^3.5.0",
+    "eslint": "^8.56.0",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-react-refresh": "^0.4.5",
+    "eslint-plugin-simple-import-sort": "^12.0.0",
+    "terser": "^5.34.1",
+    "typescript": "^5.2.2",
+    "vite": "^6.4.2"
+  },
+  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
+}
@@ -0,0 +1,70 @@
+import React from 'react';
+
+import { Box, Typography } from '@mui/material';
+
+import { TEditorBlock } from '../../../documents/editor/core';
+import { setDocument, useDocument, useSelectedBlockId } from '../../../documents/editor/EditorContext';
+
+import AvatarSidebarPanel from './input-panels/AvatarSidebarPanel';
+import ButtonSidebarPanel from './input-panels/ButtonSidebarPanel';
+import ColumnsContainerSidebarPanel from './input-panels/ColumnsContainerSidebarPanel';
+import ContainerSidebarPanel from './input-panels/ContainerSidebarPanel';
+import DividerSidebarPanel from './input-panels/DividerSidebarPanel';
+import EmailLayoutSidebarPanel from './input-panels/EmailLayoutSidebarPanel';
+import HeadingSidebarPanel from './input-panels/HeadingSidebarPanel';
+import HtmlSidebarPanel from './input-panels/HtmlSidebarPanel';
+import ImageSidebarPanel from './input-panels/ImageSidebarPanel';
+import SpacerSidebarPanel from './input-panels/SpacerSidebarPanel';
+import TextSidebarPanel from './input-panels/TextSidebarPanel';
+
+function renderMessage(val: string) {
+  return (
+    <Box sx={{ m: 3, p: 1, border: '1px dashed', borderColor: 'divider' }}>
+      <Typography color="text.secondary">{val}</Typography>
+    </Box>
+  );
+}
+
+export default function ConfigurationPanel() {
+  const document = useDocument();
+  const selectedBlockId = useSelectedBlockId();
+
+  if (!selectedBlockId) {
+    return renderMessage('Click on a block to inspect.');
+  }
+  const block = document[selectedBlockId];
+  if (!block) {
+    return renderMessage(`Block with id ${selectedBlockId} was not found. Click on a block to reset.`);
+  }
+
+  const setBlock = (conf: TEditorBlock) => setDocument({ [selectedBlockId]: conf });
+  const { data, type } = block;
+  switch (type) {
+    case 'Avatar':
+      return <AvatarSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Button':
+      return <ButtonSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'ColumnsContainer':
+      return (
+        <ColumnsContainerSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />
+      );
+    case 'Container':
+      return <ContainerSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Divider':
+      return <DividerSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Heading':
+      return <HeadingSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Html':
+      return <HtmlSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Image':
+      return <ImageSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'EmailLayout':
+      return <EmailLayoutSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Spacer':
+      return <SpacerSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    case 'Text':
+      return <TextSidebarPanel key={selectedBlockId} data={data} setData={(data) => setBlock({ type, data })} />;
+    default:
+      return <pre>{JSON.stringify(block, null, '  ')}</pre>;
+  }
+}
@@ -0,0 +1,82 @@
+import React, { useState } from 'react';
+
+import { AspectRatioOutlined } from '@mui/icons-material';
+import { ToggleButton } from '@mui/material';
+import { AvatarProps, AvatarPropsDefaults, AvatarPropsSchema } from '@usewaypoint/block-avatar';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import RadioGroupInput from './helpers/inputs/RadioGroupInput';
+import SliderInput from './helpers/inputs/SliderInput';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type AvatarSidebarPanelProps = {
+  data: AvatarProps;
+  setData: (v: AvatarProps) => void;
+};
+export default function AvatarSidebarPanel({ data, setData }: AvatarSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+  const updateData = (d: unknown) => {
+    const res = AvatarPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  const size = data.props?.size ?? AvatarPropsDefaults.size;
+  const imageUrl = data.props?.imageUrl ?? AvatarPropsDefaults.imageUrl;
+  const alt = data.props?.alt ?? AvatarPropsDefaults.alt;
+  const shape = data.props?.shape ?? AvatarPropsDefaults.shape;
+
+  return (
+    <BaseSidebarPanel title="Avatar block">
+      <SliderInput
+        label="Size"
+        iconLabel={<AspectRatioOutlined sx={{ color: 'text.secondary' }} />}
+        units="px"
+        step={3}
+        min={32}
+        max={256}
+        defaultValue={size}
+        onChange={(size) => {
+          updateData({ ...data, props: { ...data.props, size } });
+        }}
+      />
+      <RadioGroupInput
+        label="Shape"
+        defaultValue={shape}
+        onChange={(shape) => {
+          updateData({ ...data, props: { ...data.props, shape } });
+        }}
+      >
+        <ToggleButton value="circle">Circle</ToggleButton>
+        <ToggleButton value="square">Square</ToggleButton>
+        <ToggleButton value="rounded">Rounded</ToggleButton>
+      </RadioGroupInput>
+      <TextInput
+        label="Image URL"
+        className="image-url"
+        defaultValue={imageUrl}
+        onChange={(imageUrl) => {
+          updateData({ ...data, props: { ...data.props, imageUrl } });
+        }}
+      />
+      <TextInput
+        label="Alt text"
+        defaultValue={alt}
+        onChange={(alt) => {
+          updateData({ ...data, props: { ...data.props, alt } });
+        }}
+      />
+
+      <MultiStylePropertyPanel
+        names={['textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,93 @@
+import React, { useState } from 'react';
+
+import { ToggleButton } from '@mui/material';
+import { ButtonProps, ButtonPropsDefaults, ButtonPropsSchema } from '@usewaypoint/block-button';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import ColorInput from './helpers/inputs/ColorInput';
+import RadioGroupInput from './helpers/inputs/RadioGroupInput';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type ButtonSidebarPanelProps = {
+  data: ButtonProps;
+  setData: (v: ButtonProps) => void;
+};
+export default function ButtonSidebarPanel({ data, setData }: ButtonSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = ButtonPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  const text = data.props?.text ?? ButtonPropsDefaults.text;
+  const url = data.props?.url ?? ButtonPropsDefaults.url;
+  const fullWidth = data.props?.fullWidth ?? ButtonPropsDefaults.fullWidth;
+  const size = data.props?.size ?? ButtonPropsDefaults.size;
+  const buttonStyle = data.props?.buttonStyle ?? ButtonPropsDefaults.buttonStyle;
+  const buttonTextColor = data.props?.buttonTextColor ?? ButtonPropsDefaults.buttonTextColor;
+  const buttonBackgroundColor = data.props?.buttonBackgroundColor ?? ButtonPropsDefaults.buttonBackgroundColor;
+
+  return (
+    <BaseSidebarPanel title="Button block">
+      <TextInput
+        label="Text"
+        defaultValue={text}
+        onChange={(text) => updateData({ ...data, props: { ...data.props, text } })}
+      />
+      <TextInput
+        label="Url"
+        defaultValue={url}
+        onChange={(url) => updateData({ ...data, props: { ...data.props, url } })}
+      />
+      <RadioGroupInput
+        label="Width"
+        defaultValue={fullWidth ? 'FULL_WIDTH' : 'AUTO'}
+        onChange={(v) => updateData({ ...data, props: { ...data.props, fullWidth: v === 'FULL_WIDTH' } })}
+      >
+        <ToggleButton value="FULL_WIDTH">Full</ToggleButton>
+        <ToggleButton value="AUTO">Auto</ToggleButton>
+      </RadioGroupInput>
+      <RadioGroupInput
+        label="Size"
+        defaultValue={size}
+        onChange={(size) => updateData({ ...data, props: { ...data.props, size } })}
+      >
+        <ToggleButton value="x-small">Xs</ToggleButton>
+        <ToggleButton value="small">Sm</ToggleButton>
+        <ToggleButton value="medium">Md</ToggleButton>
+        <ToggleButton value="large">Lg</ToggleButton>
+      </RadioGroupInput>
+      <RadioGroupInput
+        label="Style"
+        defaultValue={buttonStyle}
+        onChange={(buttonStyle) => updateData({ ...data, props: { ...data.props, buttonStyle } })}
+      >
+        <ToggleButton value="rectangle">Rectangle</ToggleButton>
+        <ToggleButton value="rounded">Rounded</ToggleButton>
+        <ToggleButton value="pill">Pill</ToggleButton>
+      </RadioGroupInput>
+      <ColorInput
+        label="Text color"
+        defaultValue={buttonTextColor}
+        onChange={(buttonTextColor) => updateData({ ...data, props: { ...data.props, buttonTextColor } })}
+      />
+      <ColorInput
+        label="Button color"
+        defaultValue={buttonBackgroundColor}
+        onChange={(buttonBackgroundColor) => updateData({ ...data, props: { ...data.props, buttonBackgroundColor } })}
+      />
+      <MultiStylePropertyPanel
+        names={['backgroundColor', 'fontFamily', 'fontSize', 'fontWeight', 'textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,91 @@
+import React, { useState } from 'react';
+
+import {
+  SpaceBarOutlined,
+  VerticalAlignBottomOutlined,
+  VerticalAlignCenterOutlined,
+  VerticalAlignTopOutlined,
+} from '@mui/icons-material';
+import { ToggleButton } from '@mui/material';
+
+import ColumnsContainerPropsSchema, {
+  ColumnsContainerProps,
+} from '../../../../documents/blocks/ColumnsContainer/ColumnsContainerPropsSchema';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import ColumnWidthsInput from './helpers/inputs/ColumnWidthsInput';
+import RadioGroupInput from './helpers/inputs/RadioGroupInput';
+import SliderInput from './helpers/inputs/SliderInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type ColumnsContainerPanelProps = {
+  data: ColumnsContainerProps;
+  setData: (v: ColumnsContainerProps) => void;
+};
+export default function ColumnsContainerPanel({ data, setData }: ColumnsContainerPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+  const updateData = (d: unknown) => {
+    const res = ColumnsContainerPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Columns block">
+      <RadioGroupInput
+        label="Number of columns"
+        defaultValue={data.props?.columnsCount === 2 ? '2' : '3'}
+        onChange={(v) => {
+          updateData({ ...data, props: { ...data.props, columnsCount: v === '2' ? 2 : 3 } });
+        }}
+      >
+        <ToggleButton value="2">2</ToggleButton>
+        <ToggleButton value="3">3</ToggleButton>
+      </RadioGroupInput>
+      <ColumnWidthsInput
+        defaultValue={data.props?.fixedWidths}
+        onChange={(fixedWidths) => {
+          updateData({ ...data, props: { ...data.props, fixedWidths } });
+        }}
+      />
+      <SliderInput
+        label="Columns gap"
+        iconLabel={<SpaceBarOutlined sx={{ color: 'text.secondary' }} />}
+        units="px"
+        step={4}
+        marks
+        min={0}
+        max={80}
+        defaultValue={data.props?.columnsGap ?? 0}
+        onChange={(columnsGap) => updateData({ ...data, props: { ...data.props, columnsGap } })}
+      />
+      <RadioGroupInput
+        label="Alignment"
+        defaultValue={data.props?.contentAlignment ?? 'middle'}
+        onChange={(contentAlignment) => {
+          updateData({ ...data, props: { ...data.props, contentAlignment } });
+        }}
+      >
+        <ToggleButton value="top">
+          <VerticalAlignTopOutlined fontSize="small" />
+        </ToggleButton>
+        <ToggleButton value="middle">
+          <VerticalAlignCenterOutlined fontSize="small" />
+        </ToggleButton>
+        <ToggleButton value="bottom">
+          <VerticalAlignBottomOutlined fontSize="small" />
+        </ToggleButton>
+      </RadioGroupInput>
+
+      <MultiStylePropertyPanel
+        names={['backgroundColor', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,33 @@
+import React, { useState } from 'react';
+
+import ContainerPropsSchema, { ContainerProps } from '../../../../documents/blocks/Container/ContainerPropsSchema';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type ContainerSidebarPanelProps = {
+  data: ContainerProps;
+  setData: (v: ContainerProps) => void;
+};
+
+export default function ContainerSidebarPanel({ data, setData }: ContainerSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+  const updateData = (d: unknown) => {
+    const res = ContainerPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+  return (
+    <BaseSidebarPanel title="Container block">
+      <MultiStylePropertyPanel
+        names={['backgroundColor', 'borderColor', 'borderRadius', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,54 @@
+import React, { useState } from 'react';
+
+import { HeightOutlined } from '@mui/icons-material';
+import { DividerProps, DividerPropsDefaults, DividerPropsSchema } from '@usewaypoint/block-divider';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import ColorInput from './helpers/inputs/ColorInput';
+import SliderInput from './helpers/inputs/SliderInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type DividerSidebarPanelProps = {
+  data: DividerProps;
+  setData: (v: DividerProps) => void;
+};
+export default function DividerSidebarPanel({ data, setData }: DividerSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+  const updateData = (d: unknown) => {
+    const res = DividerPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  const lineColor = data.props?.lineColor ?? DividerPropsDefaults.lineColor;
+  const lineHeight = data.props?.lineHeight ?? DividerPropsDefaults.lineHeight;
+
+  return (
+    <BaseSidebarPanel title="Divider block">
+      <ColorInput
+        label="Color"
+        defaultValue={lineColor}
+        onChange={(lineColor) => updateData({ ...data, props: { ...data.props, lineColor } })}
+      />
+      <SliderInput
+        label="Height"
+        iconLabel={<HeightOutlined sx={{ color: 'text.secondary' }} />}
+        units="px"
+        step={1}
+        min={1}
+        max={24}
+        defaultValue={lineHeight}
+        onChange={(lineHeight) => updateData({ ...data, props: { ...data.props, lineHeight } })}
+      />
+      <MultiStylePropertyPanel
+        names={['backgroundColor', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,77 @@
+import React, { useState } from 'react';
+
+import { RoundedCornerOutlined } from '@mui/icons-material';
+
+import EmailLayoutPropsSchema, {
+  EmailLayoutProps,
+} from '../../../../documents/blocks/EmailLayout/EmailLayoutPropsSchema';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import BooleanInput from './helpers/inputs/BooleanInput';
+import ColorInput, { NullableColorInput } from './helpers/inputs/ColorInput';
+import { NullableFontFamily } from './helpers/inputs/FontFamily';
+import SliderInput from './helpers/inputs/SliderInput';
+
+type EmailLayoutSidebarFieldsProps = {
+  data: EmailLayoutProps;
+  setData: (v: EmailLayoutProps) => void;
+};
+export default function EmailLayoutSidebarFields({ data, setData }: EmailLayoutSidebarFieldsProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = EmailLayoutPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Global">
+      <ColorInput
+        label="Backdrop color"
+        defaultValue={data.backdropColor ?? '#F5F5F5'}
+        onChange={(backdropColor) => updateData({ ...data, backdropColor })}
+      />
+      <ColorInput
+        label="Canvas color"
+        defaultValue={data.canvasColor ?? '#FFFFFF'}
+        onChange={(canvasColor) => updateData({ ...data, canvasColor })}
+      />
+      <NullableColorInput
+        label="Canvas border color"
+        defaultValue={data.borderColor ?? null}
+        onChange={(borderColor) => updateData({ ...data, borderColor })}
+      />
+      <SliderInput
+        iconLabel={<RoundedCornerOutlined />}
+        units="px"
+        step={4}
+        marks
+        min={0}
+        max={48}
+        label="Canvas border radius"
+        defaultValue={data.borderRadius ?? 0}
+        onChange={(borderRadius) => updateData({ ...data, borderRadius })}
+      />
+      <NullableFontFamily
+        label="Font family"
+        defaultValue="MODERN_SANS"
+        onChange={(fontFamily) => updateData({ ...data, fontFamily })}
+      />
+      <ColorInput
+        label="Text color"
+        defaultValue={data.textColor ?? '#262626'}
+        onChange={(textColor) => updateData({ ...data, textColor })}
+      />
+      <BooleanInput
+        label="Outlook compatibility"
+        defaultValue={data.outlook ?? false}
+        onChange={(outlook) => updateData({ ...data, outlook })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,56 @@
+import React, { useState } from 'react';
+
+import { ToggleButton } from '@mui/material';
+import { HeadingProps, HeadingPropsDefaults, HeadingPropsSchema } from '@usewaypoint/block-heading';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import RadioGroupInput from './helpers/inputs/RadioGroupInput';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type HeadingSidebarPanelProps = {
+  data: HeadingProps;
+  setData: (v: HeadingProps) => void;
+};
+export default function HeadingSidebarPanel({ data, setData }: HeadingSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = HeadingPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Heading block">
+      <TextInput
+        label="Content"
+        rows={3}
+        defaultValue={data.props?.text ?? HeadingPropsDefaults.text}
+        onChange={(text) => {
+          updateData({ ...data, props: { ...data.props, text } });
+        }}
+      />
+      <RadioGroupInput
+        label="Level"
+        defaultValue={data.props?.level ?? HeadingPropsDefaults.level}
+        onChange={(level) => {
+          updateData({ ...data, props: { ...data.props, level } });
+        }}
+      >
+        <ToggleButton value="h1">H1</ToggleButton>
+        <ToggleButton value="h2">H2</ToggleButton>
+        <ToggleButton value="h3">H3</ToggleButton>
+      </RadioGroupInput>
+      <MultiStylePropertyPanel
+        names={['color', 'backgroundColor', 'fontFamily', 'fontWeight', 'textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,41 @@
+import React, { useState } from 'react';
+
+import { HtmlProps, HtmlPropsSchema } from '@usewaypoint/block-html';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type HtmlSidebarPanelProps = {
+  data: HtmlProps;
+  setData: (v: HtmlProps) => void;
+};
+export default function HtmlSidebarPanel({ data, setData }: HtmlSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = HtmlPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Html block">
+      <TextInput
+        label="Content"
+        rows={5}
+        defaultValue={data.props?.contents ?? ''}
+        onChange={(contents) => updateData({ ...data, props: { ...data.props, contents } })}
+      />
+      <MultiStylePropertyPanel
+        names={['color', 'backgroundColor', 'fontFamily', 'fontSize', 'textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,116 @@
+import {
+  VerticalAlignBottomOutlined,
+  VerticalAlignCenterOutlined,
+  VerticalAlignTopOutlined,
+} from '@mui/icons-material';
+import CloudUploadIcon from '@mui/icons-material/CloudUpload';
+import { Checkbox, FormControlLabel, Stack, ToggleButton } from '@mui/material';
+import { ImageProps } from '@usewaypoint/block-image';
+import React, { useState } from 'react';
+
+import { ImgPropsSchema, EagleCastImageProps } from '../../../../documents/editor/core';
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import RadioGroupInput from './helpers/inputs/RadioGroupInput';
+import TextDimensionInput from './helpers/inputs/TextDimensionInput';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type ImageSidebarPanelProps = {
+  data: ImageProps;
+  setData: (v: ImageProps) => void;
+};
+export default function ImageSidebarPanel({ data, setData }: ImageSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = ImgPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data as ImageProps);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  const props = (data && (data as EagleCastImageProps).props) || {};
+
+  return (
+    <BaseSidebarPanel title="Image block">
+      <TextInput
+        label="Source URL"
+        className="image-url"
+        defaultValue={data.props?.url ?? ''}
+        onChange={(v) => {
+          const url = v.trim().length === 0 ? null : v.trim();
+          updateData({ ...data, props: { ...data.props, url } });
+        }}
+      />
+      <a href="#" class="select-media"
+        style={{ display: 'inline-flex', alignItems: 'center', gap: '0.5rem', marginTop: '5px' }}
+        onClick={(e) => {
+        // @ts-ignore
+        window.parent.postMessage('visualeditor.select-media', '*');
+        e.preventDefault();
+      }}><CloudUploadIcon style={{fontSize: '1rem'}} /> Select media</a>
+
+      <TextInput
+        label="Alt text"
+        defaultValue={data.props?.alt ?? ''}
+        onChange={(alt) => updateData({ ...data, props: { ...data.props, alt } })}
+      />
+      <TextInput
+        label="Click through URL"
+        defaultValue={data.props?.linkHref ?? ''}
+        onChange={(v) => {
+          const linkHref = v.trim().length === 0 ? null : v.trim();
+          updateData({ ...data, props: { ...data.props, linkHref } });
+        }}
+      />
+      <Stack direction="row" spacing={2}>
+        <TextDimensionInput
+          label="Width"
+          defaultValue={data.props?.width}
+          onChange={(width) => updateData({ ...data, props: { ...data.props, width } })}
+        />
+        <TextDimensionInput
+          label="Height"
+          defaultValue={data.props?.height}
+          onChange={(height) => updateData({ ...data, props: { ...data.props, height } })}
+        />
+      </Stack>
+
+      <RadioGroupInput
+        label="Alignment"
+        defaultValue={data.props?.contentAlignment ?? 'middle'}
+        onChange={(contentAlignment) => updateData({ ...data, props: { ...data.props, contentAlignment } })}
+      >
+        <ToggleButton value="top">
+          <VerticalAlignTopOutlined fontSize="small" />
+        </ToggleButton>
+        <ToggleButton value="middle">
+          <VerticalAlignCenterOutlined fontSize="small" />
+        </ToggleButton>
+        <ToggleButton value="bottom">
+          <VerticalAlignBottomOutlined fontSize="small" />
+        </ToggleButton>
+      </RadioGroupInput>
+
+      <FormControlLabel
+        control={
+          <Checkbox
+            size="small"
+            checked={Boolean(props.embed)}
+            onChange={(e) => updateData({ ...data, props: { ...data.props, embed: e.target.checked } })}
+          />
+        }
+        label="Embed inline (CID)"
+      />
+
+      <MultiStylePropertyPanel
+        names={['backgroundColor', 'textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,40 @@
+import React, { useState } from 'react';
+
+import { HeightOutlined } from '@mui/icons-material';
+import { SpacerProps, SpacerPropsDefaults, SpacerPropsSchema } from '@usewaypoint/block-spacer';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import SliderInput from './helpers/inputs/SliderInput';
+
+type SpacerSidebarPanelProps = {
+  data: SpacerProps;
+  setData: (v: SpacerProps) => void;
+};
+export default function SpacerSidebarPanel({ data, setData }: SpacerSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = SpacerPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Spacer block">
+      <SliderInput
+        label="Height"
+        iconLabel={<HeightOutlined sx={{ color: 'text.secondary' }} />}
+        units="px"
+        step={4}
+        min={4}
+        max={128}
+        defaultValue={data.props?.height ?? SpacerPropsDefaults.height}
+        onChange={(height) => updateData({ ...data, props: { ...data.props, height } })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,48 @@
+import React, { useState } from 'react';
+
+import { TextProps, TextPropsSchema } from '@usewaypoint/block-text';
+
+import BaseSidebarPanel from './helpers/BaseSidebarPanel';
+import BooleanInput from './helpers/inputs/BooleanInput';
+import TextInput from './helpers/inputs/TextInput';
+import MultiStylePropertyPanel from './helpers/style-inputs/MultiStylePropertyPanel';
+
+type TextSidebarPanelProps = {
+  data: TextProps;
+  setData: (v: TextProps) => void;
+};
+export default function TextSidebarPanel({ data, setData }: TextSidebarPanelProps) {
+  const [, setErrors] = useState<Zod.ZodError | null>(null);
+
+  const updateData = (d: unknown) => {
+    const res = TextPropsSchema.safeParse(d);
+    if (res.success) {
+      setData(res.data);
+      setErrors(null);
+    } else {
+      setErrors(res.error);
+    }
+  };
+
+  return (
+    <BaseSidebarPanel title="Text block">
+      <TextInput
+        label="Content"
+        rows={5}
+        defaultValue={data.props?.text ?? ''}
+        onChange={(text) => updateData({ ...data, props: { ...data.props, text } })}
+      />
+      <BooleanInput
+        label="Markdown"
+        defaultValue={data.props?.markdown ?? false}
+        onChange={(markdown) => updateData({ ...data, props: { ...data.props, markdown } })}
+      />
+
+      <MultiStylePropertyPanel
+        names={['color', 'backgroundColor', 'fontFamily', 'fontSize', 'fontWeight', 'textAlign', 'padding']}
+        value={data.style}
+        onChange={(style) => updateData({ ...data, style })}
+      />
+    </BaseSidebarPanel>
+  );
+}
@@ -0,0 +1,20 @@
+import React from 'react';
+
+import { Box, Stack, Typography } from '@mui/material';
+
+type SidebarPanelProps = {
+  title: string;
+  children: React.ReactNode;
+};
+export default function BaseSidebarPanel({ title, children }: SidebarPanelProps) {
+  return (
+    <Box p={2}>
+      <Typography variant="overline" color="text.secondary" sx={{ display: 'block', mb: 2 }}>
+        {title}
+      </Typography>
+      <Stack spacing={5} mb={3}>
+        {children}
+      </Stack>
+    </Box>
+  );
+}
@@ -0,0 +1,25 @@
+import React from 'react';
+
+import { FormControlLabel, Switch } from '@mui/material';
+
+type Props = {
+  label: string;
+  defaultValue: boolean;
+  onChange: (value: boolean) => void;
+};
+
+export default function BooleanInput({ label, defaultValue, onChange }: Props) {
+  return (
+    <FormControlLabel
+      label={label}
+      control={
+        <Switch
+          checked={defaultValue}
+          onChange={(_, checked: boolean) => {
+            onChange(checked);
+          }}
+        />
+      }
+    />
+  );
+}
@@ -0,0 +1,92 @@
+import React, { useState } from 'react';
+
+import { AddOutlined, CloseOutlined } from '@mui/icons-material';
+import { ButtonBase, InputLabel, Menu, Stack } from '@mui/material';
+
+import Picker from './Picker';
+
+const BUTTON_SX = {
+  border: '1px solid',
+  borderColor: 'cadet.400',
+  width: 32,
+  height: 32,
+  borderRadius: '4px',
+  bgcolor: '#FFFFFF',
+};
+
+type Props =
+  | {
+      nullable: true;
+      label: string;
+      onChange: (value: string | null) => void;
+      defaultValue: string | null;
+    }
+  | {
+      nullable: false;
+      label: string;
+      onChange: (value: string) => void;
+      defaultValue: string;
+    };
+export default function ColorInput({ label, defaultValue, onChange, nullable }: Props) {
+  const [anchorEl, setAnchorEl] = useState<null | HTMLElement>(null);
+  const [value, setValue] = useState(defaultValue);
+  const handleClickOpen = (event: React.MouseEvent<HTMLButtonElement>) => {
+    setAnchorEl(event.currentTarget);
+  };
+
+  const renderResetButton = () => {
+    if (!nullable) {
+      return null;
+    }
+    if (typeof value !== 'string' || value.trim().length === 0) {
+      return null;
+    }
+    return (
+      <ButtonBase
+        onClick={() => {
+          setValue(null);
+          onChange(null);
+        }}
+      >
+        <CloseOutlined fontSize="small" sx={{ color: 'grey.600' }} />
+      </ButtonBase>
+    );
+  };
+
+  const renderOpenButton = () => {
+    if (value) {
+      return <ButtonBase onClick={handleClickOpen} sx={{ ...BUTTON_SX, bgcolor: value }} />;
+    }
+    return (
+      <ButtonBase onClick={handleClickOpen} sx={{ ...BUTTON_SX }}>
+        <AddOutlined fontSize="small" />
+      </ButtonBase>
+    );
+  };
+
+  return (
+    <Stack alignItems="flex-start">
+      <InputLabel sx={{ mb: 0.5 }}>{label}</InputLabel>
+      <Stack direction="row" spacing={1}>
+        {renderOpenButton()}
+        {renderResetButton()}
+      </Stack>
+      <Menu
+        anchorEl={anchorEl}
+        open={Boolean(anchorEl)}
+        onClose={() => setAnchorEl(null)}
+        MenuListProps={{
+          sx: { height: 'auto', padding: 0 },
+        }}
+      >
+        <Picker
+          value={value || ''}
+          onChange={(v) => {
+            setValue(v);
+            onChange(v);
+          }}
+        />
+      </Menu>
+    </Stack>
+  );
+}
@@ -0,0 +1,86 @@
+import React from 'react';
+import { HexColorInput, HexColorPicker } from 'react-colorful';
+
+import { Box, Stack, SxProps } from '@mui/material';
+
+import Swatch from './Swatch';
+
+const DEFAULT_PRESET_COLORS = [
+  '#E11D48',
+  '#DB2777',
+  '#C026D3',
+  '#9333EA',
+  '#7C3AED',
+  '#4F46E5',
+  '#2563EB',
+  '#0284C7',
+  '#0891B2',
+  '#0D9488',
+  '#059669',
+  '#16A34A',
+  '#65A30D',
+  '#CA8A04',
+  '#D97706',
+  '#EA580C',
+  '#DC2626',
+  '#FFFFFF',
+  '#FAFAFA',
+  '#F5F5F5',
+  '#E5E5E5',
+  '#D4D4D4',
+  '#A3A3A3',
+  '#737373',
+  '#525252',
+  '#404040',
+  '#262626',
+  '#171717',
+  '#0A0A0A',
+  '#000000',
+];
+
+const SX: SxProps = {
+  p: 1,
+  '.react-colorful__pointer ': {
+    width: 16,
+    height: 16,
+  },
+  '.react-colorful__saturation': {
+    mb: 1,
+    borderRadius: '4px',
+  },
+  '.react-colorful__last-control': {
+    borderRadius: '4px',
+  },
+  '.react-colorful__hue-pointer': {
+    width: '4px',
+    borderRadius: '4px',
+    height: 24,
+    cursor: 'col-resize',
+  },
+  '.react-colorful__saturation-pointer': {
+    cursor: 'all-scroll',
+  },
+  input: {
+    padding: 1,
+    border: '1px solid',
+    borderColor: 'grey.300',
+    borderRadius: '4px',
+    width: '100%',
+  },
+};
+
+type Props = {
+  value: string;
+  onChange: (v: string) => void;
+};
+export default function Picker({ value, onChange }: Props) {
+  return (
+    <Stack spacing={1} sx={SX}>
+      <HexColorPicker color={value} onChange={onChange} />
+      <Swatch paletteColors={DEFAULT_PRESET_COLORS} value={value} onChange={onChange} />
+      <Box pt={1}>
+        <HexColorInput prefixed color={value} onChange={onChange} />
+      </Box>
+    </Stack>
+  );
+}
@@ -0,0 +1,41 @@
+import React from 'react';
+
+import { Box, Button, SxProps } from '@mui/material';
+
+type Props = {
+  paletteColors: string[];
+  value: string;
+  onChange: (value: string) => void;
+};
+
+const TILE_BUTTON: SxProps = {
+  width: 24,
+  height: 24,
+};
+export default function Swatch({ paletteColors, value, onChange }: Props) {
+  const renderButton = (colorValue: string) => {
+    return (
+      <Button
+        key={colorValue}
+        onClick={() => onChange(colorValue)}
+        sx={{
+          ...TILE_BUTTON,
+          backgroundColor: colorValue,
+          border: '1px solid',
+          borderColor: value === colorValue ? 'black' : 'grey.200',
+          minWidth: 24,
+          display: 'inline-flex',
+          '&:hover': {
+            backgroundColor: colorValue,
+            borderColor: 'grey.500',
+          },
+        }}
+      />
+    );
+  };
+  return (
+    <Box width="100%" sx={{ display: 'grid', gap: 1, gridTemplateColumns: '1fr 1fr 1fr 1fr 1fr 1fr' }}>
+      {paletteColors.map((c) => renderButton(c))}
+    </Box>
+  );
+}
@@ -0,0 +1,21 @@
+import React from 'react';
+
+import BaseColorInput from './BaseColorInput';
+
+type Props = {
+  label: string;
+  onChange: (value: string) => void;
+  defaultValue: string;
+};
+export default function ColorInput(props: Props) {
+  return <BaseColorInput {...props} nullable={false} />;
+}
+
+type NullableProps = {
+  label: string;
+  onChange: (value: null | string) => void;
+  defaultValue: null | string;
+};
+export function NullableColorInput(props: NullableProps) {
+  return <BaseColorInput {...props} nullable />;
+}
@@ -0,0 +1,68 @@
+import React, { useState } from 'react';
+
+import { Stack } from '@mui/material';
+
+import TextDimensionInput from './TextDimensionInput';
+
+export const DEFAULT_2_COLUMNS = [6] as [number];
+export const DEFAULT_3_COLUMNS = [4, 8] as [number, number];
+
+type TWidthValue = number | null | undefined;
+type FixedWidths = [
+  //
+  number | null | undefined,
+  number | null | undefined,
+  number | null | undefined,
+];
+type ColumnsLayoutInputProps = {
+  defaultValue: FixedWidths | null | undefined;
+  onChange: (v: FixedWidths | null | undefined) => void;
+};
+export default function ColumnWidthsInput({ defaultValue, onChange }: ColumnsLayoutInputProps) {
+  const [currentValue, setCurrentValue] = useState<[TWidthValue, TWidthValue, TWidthValue]>(() => {
+    if (defaultValue) {
+      return defaultValue;
+    }
+    return [null, null, null];
+  });
+
+  const setIndexValue = (index: 0 | 1 | 2, value: number | null | undefined) => {
+    const nValue: FixedWidths = [...currentValue];
+    nValue[index] = value;
+    setCurrentValue(nValue);
+    onChange(nValue);
+  };
+
+  const columnsCountValue = 3;
+  let column3 = null;
+  if (columnsCountValue === 3) {
+    column3 = (
+      <TextDimensionInput
+        label="Column 3"
+        defaultValue={currentValue?.[2]}
+        onChange={(v) => {
+          setIndexValue(2, v);
+        }}
+      />
+    );
+  }
+  return (
+    <Stack direction="row" spacing={1}>
+      <TextDimensionInput
+        label="Column 1"
+        defaultValue={currentValue?.[0]}
+        onChange={(v) => {
+          setIndexValue(0, v);
+        }}
+      />
+      <TextDimensionInput
+        label="Column 2"
+        defaultValue={currentValue?.[1]}
+        onChange={(v) => {
+          setIndexValue(1, v);
+        }}
+      />
+      {column3}
+    </Stack>
+  );
+}
@@ -0,0 +1,36 @@
+import React, { useState } from 'react';
+
+import { MenuItem, TextField } from '@mui/material';
+
+import { FONT_FAMILIES } from '../../../../../../documents/blocks/helpers/fontFamily';
+
+const OPTIONS = FONT_FAMILIES.map((option) => (
+  <MenuItem key={option.key} value={option.key} sx={{ fontFamily: option.value }}>
+    {option.label}
+  </MenuItem>
+));
+
+type NullableProps = {
+  label: string;
+  onChange: (value: null | string) => void;
+  defaultValue: null | string;
+};
+export function NullableFontFamily({ label, onChange, defaultValue }: NullableProps) {
+  const [value, setValue] = useState(defaultValue ?? 'inherit');
+  return (
+    <TextField
+      select
+      variant="standard"
+      label={label}
+      value={value}
+      onChange={(ev) => {
+        const v = ev.target.value;
+        setValue(v);
+        onChange(v === null ? null : v);
+      }}
+    >
+      <MenuItem value="inherit">Match email settings</MenuItem>
+      {OPTIONS}
+    </TextField>
+  );
+}
@@ -0,0 +1,33 @@
+import React, { useState } from 'react';
+
+import { TextFieldsOutlined } from '@mui/icons-material';
+import { InputLabel, Stack } from '@mui/material';
+
+import RawSliderInput from './raw/RawSliderInput';
+
+type Props = {
+  label: string;
+  defaultValue: number;
+  onChange: (v: number) => void;
+};
+export default function FontSizeInput({ label, defaultValue, onChange }: Props) {
+  const [value, setValue] = useState(defaultValue);
+  const handleChange = (value: number) => {
+    setValue(value);
+    onChange(value);
+  };
+  return (
+    <Stack spacing={1} alignItems="flex-start">
+      <InputLabel shrink>{label}</InputLabel>
+      <RawSliderInput
+        iconLabel={<TextFieldsOutlined sx={{ fontSize: 16 }} />}
+        value={value}
+        setValue={handleChange}
+        units="px"
+        step={1}
+        min={10}
+        max={48}
+      />
+    </Stack>
+  );
+}
@@ -0,0 +1,27 @@
+import React, { useState } from 'react';
+
+import { ToggleButton } from '@mui/material';
+
+import RadioGroupInput from './RadioGroupInput';
+
+type Props = {
+  label: string;
+  defaultValue: string;
+  onChange: (value: string) => void;
+};
+export default function FontWeightInput({ label, defaultValue, onChange }: Props) {
+  const [value, setValue] = useState(defaultValue);
+  return (
+    <RadioGroupInput
+      label={label}
+      defaultValue={value}
+      onChange={(fontWeight) => {
+        setValue(fontWeight);
+        onChange(fontWeight);
+      }}
+    >
+      <ToggleButton value="normal">Regular</ToggleButton>
+      <ToggleButton value="bold">Bold</ToggleButton>
+    </RadioGroupInput>
+  );
+}
@@ -0,0 +1,95 @@
+import React, { useState } from 'react';
+
+import {
+  AlignHorizontalLeftOutlined,
+  AlignHorizontalRightOutlined,
+  AlignVerticalBottomOutlined,
+  AlignVerticalTopOutlined,
+} from '@mui/icons-material';
+import { InputLabel, Stack } from '@mui/material';
+
+import RawSliderInput from './raw/RawSliderInput';
+
+type TPaddingValue = {
+  top: number;
+  bottom: number;
+  right: number;
+  left: number;
+};
+type Props = {
+  label: string;
+  defaultValue: TPaddingValue | null;
+  onChange: (value: TPaddingValue) => void;
+};
+export default function PaddingInput({ label, defaultValue, onChange }: Props) {
+  const [value, setValue] = useState(() => {
+    if (defaultValue) {
+      return defaultValue;
+    }
+    return {
+      top: 0,
+      left: 0,
+      bottom: 0,
+      right: 0,
+    };
+  });
+
+  function handleChange(internalName: keyof TPaddingValue, nValue: number) {
+    const v = {
+      ...value,
+      [internalName]: nValue,
+    };
+    setValue(v);
+    onChange(v);
+  }
+
+  return (
+    <Stack spacing={2} alignItems="flex-start" pb={1}>
+      <InputLabel shrink>{label}</InputLabel>
+
+      <RawSliderInput
+        iconLabel={<AlignVerticalTopOutlined sx={{ fontSize: 16 }} />}
+        value={value.top}
+        setValue={(num) => handleChange('top', num)}
+        units="px"
+        step={4}
+        min={0}
+        max={80}
+        marks
+      />
+
+      <RawSliderInput
+        iconLabel={<AlignVerticalBottomOutlined sx={{ fontSize: 16 }} />}
+        value={value.bottom}
+        setValue={(num) => handleChange('bottom', num)}
+        units="px"
+        step={4}
+        min={0}
+        max={80}
+        marks
+      />
+
+      <RawSliderInput
+        iconLabel={<AlignHorizontalLeftOutlined sx={{ fontSize: 16 }} />}
+        value={value.left}
+        setValue={(num) => handleChange('left', num)}
+        units="px"
+        step={4}
+        min={0}
+        max={80}
+        marks
+      />
+
+      <RawSliderInput
+        iconLabel={<AlignHorizontalRightOutlined sx={{ fontSize: 16 }} />}
+        value={value.right}
+        setValue={(num) => handleChange('right', num)}
+        units="px"
+        step={4}
+        min={0}
+        max={80}
+        marks
+      />
+    </Stack>
+  );
+}
@@ -0,0 +1,33 @@
+import React, { useState } from 'react';
+
+import { InputLabel, Stack, ToggleButtonGroup } from '@mui/material';
+
+type Props = {
+  label: string | JSX.Element;
+  children: JSX.Element | JSX.Element[];
+  defaultValue: string;
+  onChange: (v: string) => void;
+};
+export default function RadioGroupInput({ label, children, defaultValue, onChange }: Props) {
+  const [value, setValue] = useState(defaultValue);
+  return (
+    <Stack alignItems="flex-start">
+      <InputLabel shrink>{label}</InputLabel>
+      <ToggleButtonGroup
+        exclusive
+        fullWidth
+        value={value}
+        size="small"
+        onChange={(_, v: unknown) => {
+          if (typeof v !== 'string') {
+            throw new Error('RadioGroupInput can only receive string values');
+          }
+          setValue(v);
+          onChange(v);
+        }}
+      >
+        {children}
+      </ToggleButtonGroup>
+    </Stack>
+  );
+}
@@ -0,0 +1,36 @@
+import React, { useState } from 'react';
+
+import { InputLabel, Stack } from '@mui/material';
+
+import RawSliderInput from './raw/RawSliderInput';
+
+type SliderInputProps = {
+  label: string;
+  iconLabel: JSX.Element;
+
+  step?: number;
+  marks?: boolean;
+  units: string;
+  min?: number;
+  max?: number;
+
+  defaultValue: number;
+  onChange: (v: number) => void;
+};
+
+export default function SliderInput({ label, defaultValue, onChange, ...props }: SliderInputProps) {
+  const [value, setValue] = useState(defaultValue);
+  return (
+    <Stack spacing={1} alignItems="flex-start">
+      <InputLabel shrink>{label}</InputLabel>
+      <RawSliderInput
+        value={value}
+        setValue={(value: number) => {
+          setValue(value);
+          onChange(value);
+        }}
+        {...props}
+      />
+    </Stack>
+  );
+}
@@ -0,0 +1,36 @@
+import React, { useState } from 'react';
+
+import { FormatAlignCenterOutlined, FormatAlignLeftOutlined, FormatAlignRightOutlined } from '@mui/icons-material';
+import { ToggleButton } from '@mui/material';
+
+import RadioGroupInput from './RadioGroupInput';
+
+type Props = {
+  label: string;
+  defaultValue: string | null;
+  onChange: (value: string | null) => void;
+};
+export default function TextAlignInput({ label, defaultValue, onChange }: Props) {
+  const [value, setValue] = useState(defaultValue ?? 'left');
+
+  return (
+    <RadioGroupInput
+      label={label}
+      defaultValue={value}
+      onChange={(value) => {
+        setValue(value);
+        onChange(value);
+      }}
+    >
+      <ToggleButton value="left">
+        <FormatAlignLeftOutlined fontSize="small" />
+      </ToggleButton>
+      <ToggleButton value="center">
+        <FormatAlignCenterOutlined fontSize="small" />
+      </ToggleButton>
+      <ToggleButton value="right">
+        <FormatAlignRightOutlined fontSize="small" />
+      </ToggleButton>
+    </RadioGroupInput>
+  );
+}
@@ -0,0 +1,33 @@
+import React from 'react';
+
+import { TextField, Typography } from '@mui/material';
+
+type TextDimensionInputProps = {
+  label: string;
+  defaultValue: number | null | undefined;
+  onChange: (v: number | null) => void;
+};
+export default function TextDimensionInput({ label, defaultValue, onChange }: TextDimensionInputProps) {
+  const handleChange: React.ChangeEventHandler<HTMLInputElement> = (ev) => {
+    const value = parseInt(ev.target.value);
+    onChange(isNaN(value) ? null : value);
+  };
+  return (
+    <TextField
+      fullWidth
+      onChange={handleChange}
+      defaultValue={defaultValue}
+      label={label}
+      variant="standard"
+      placeholder="auto"
+      size="small"
+      InputProps={{
+        endAdornment: (
+          <Typography variant="body2" color="text.secondary">
+            px
+          </Typography>
+        ),
+      }}
+    />
+  );
+}
@@ -0,0 +1,37 @@
+import React, { useState } from 'react';
+
+import { InputProps, TextField } from '@mui/material';
+
+type Props = {
+  label: string;
+  rows?: number;
+  placeholder?: string;
+  helperText?: string | JSX.Element;
+  InputProps?: InputProps;
+  defaultValue: string;
+  className?: string;
+  onChange: (v: string) => void;
+};
+export default function TextInput({ helperText, label, placeholder, rows, InputProps, defaultValue, className, onChange }: Props) {
+  const [value, setValue] = useState(defaultValue);
+  const isMultiline = typeof rows === 'number' && rows > 1;
+  return (
+    <TextField
+      fullWidth
+      multiline={isMultiline}
+      minRows={rows}
+      variant={isMultiline ? 'outlined' : 'standard'}
+      label={label}
+      placeholder={placeholder}
+      helperText={helperText}
+      InputProps={InputProps}
+      className={className}
+      value={value}
+      onChange={(ev) => {
+        const v = ev.target.value;
+        setValue(v);
+        onChange(v);
+      }}
+    />
+  );
+}
@@ -0,0 +1,40 @@
+import React from 'react';
+
+import { Box, Slider, Stack, Typography } from '@mui/material';
+
+type SliderInputProps = {
+  iconLabel: JSX.Element;
+
+  step?: number;
+  marks?: boolean;
+  units: string;
+  min?: number;
+  max?: number;
+
+  value: number;
+  setValue: (v: number) => void;
+};
+
+export default function RawSliderInput({ iconLabel, value, setValue, units, ...props }: SliderInputProps) {
+  return (
+    <Stack direction="row" alignItems="center" spacing={2} justifyContent="space-between" width="100%">
+      <Box sx={{ minWidth: 24, lineHeight: 1, flexShrink: 0 }}>{iconLabel}</Box>
+      <Slider
+        {...props}
+        value={value}
+        onChange={(_, value: unknown) => {
+          if (typeof value !== 'number') {
+            throw new Error('RawSliderInput values can only receive numeric values');
+          }
+          setValue(value);
+        }}
+      />
+      <Box sx={{ minWidth: 32, textAlign: 'right', flexShrink: 0 }}>
+        <Typography variant="body2" color="text.secondary" sx={{ lineHeight: 1 }}>
+          {value}
+          {units}
+        </Typography>
+      </Box>
+    </Stack>
+  );
+}
@@ -0,0 +1,20 @@
+import React from 'react';
+
+import { TStyle } from '../../../../../../documents/blocks/helpers/TStyle';
+
+import SingleStylePropertyPanel from './SingleStylePropertyPanel';
+
+type MultiStylePropertyPanelProps = {
+  names: (keyof TStyle)[];
+  value: TStyle | undefined | null;
+  onChange: (style: TStyle) => void;
+};
+export default function MultiStylePropertyPanel({ names, value, onChange }: MultiStylePropertyPanelProps) {
+  return (
+    <>
+      {names.map((name) => (
+        <SingleStylePropertyPanel key={name} name={name} value={value || {}} onChange={onChange} />
+      ))}
+    </>
+  );
+}
@@ -0,0 +1,58 @@
+import React from 'react';
+
+import { RoundedCornerOutlined } from '@mui/icons-material';
+
+import { TStyle } from '../../../../../../documents/blocks/helpers/TStyle';
+import { NullableColorInput } from '../inputs/ColorInput';
+import { NullableFontFamily } from '../inputs/FontFamily';
+import FontSizeInput from '../inputs/FontSizeInput';
+import FontWeightInput from '../inputs/FontWeightInput';
+import PaddingInput from '../inputs/PaddingInput';
+import SliderInput from '../inputs/SliderInput';
+import TextAlignInput from '../inputs/TextAlignInput';
+
+type StylePropertyPanelProps = {
+  name: keyof TStyle;
+  value: TStyle;
+  onChange: (style: TStyle) => void;
+};
+export default function SingleStylePropertyPanel({ name, value, onChange }: StylePropertyPanelProps) {
+  const defaultValue = value[name] ?? null;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const handleChange = (v: any) => {
+    onChange({ ...value, [name]: v });
+  };
+
+  switch (name) {
+    case 'backgroundColor':
+      return <NullableColorInput label="Background color" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'borderColor':
+      return <NullableColorInput label="Border color" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'borderRadius':
+      return (
+        <SliderInput
+          iconLabel={<RoundedCornerOutlined />}
+          units="px"
+          step={4}
+          marks
+          min={0}
+          max={48}
+          label="Border radius"
+          defaultValue={defaultValue}
+          onChange={handleChange}
+        />
+      );
+    case 'color':
+      return <NullableColorInput label="Text color" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'fontFamily':
+      return <NullableFontFamily label="Font family" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'fontSize':
+      return <FontSizeInput label="Font size" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'fontWeight':
+      return <FontWeightInput label="Font weight" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'textAlign':
+      return <TextAlignInput label="Alignment" defaultValue={defaultValue} onChange={handleChange} />;
+    case 'padding':
+      return <PaddingInput label="Padding" defaultValue={defaultValue} onChange={handleChange} />;
+  }
+}
@@ -0,0 +1,19 @@
+import React from 'react';
+
+import { setDocument, useDocument } from '../../documents/editor/EditorContext';
+
+import EmailLayoutSidebarPanel from './ConfigurationPanel/input-panels/EmailLayoutSidebarPanel';
+
+export default function StylesPanel() {
+  const block = useDocument().root;
+  if (!block) {
+    return <p>Block not found</p>;
+  }
+
+  const { data, type } = block;
+  if (type !== 'EmailLayout') {
+    throw new Error('Expected "root" element to be of type EmailLayout');
+  }
+
+  return <EmailLayoutSidebarPanel key="root" data={data} setData={(data) => setDocument({ root: { type, data } })} />;
+}
@@ -0,0 +1,26 @@
+import React from 'react';
+
+import { AppRegistrationOutlined, LastPageOutlined } from '@mui/icons-material';
+import { IconButton } from '@mui/material';
+
+import { toggleInspectorDrawerOpen, useInspectorDrawerOpen } from '../../documents/editor/EditorContext';
+
+export default function ToggleInspectorPanelButton() {
+  const inspectorDrawerOpen = useInspectorDrawerOpen();
+
+  const handleClick = () => {
+    toggleInspectorDrawerOpen();
+  };
+  if (inspectorDrawerOpen) {
+    return (
+      <IconButton onClick={handleClick}>
+        <LastPageOutlined fontSize="small" />
+      </IconButton>
+    );
+  }
+  return (
+    <IconButton onClick={handleClick}>
+      <AppRegistrationOutlined fontSize="small" />
+    </IconButton>
+  );
+}
@@ -0,0 +1,59 @@
+import React from 'react';
+
+import {
+  Box, Drawer, Tab, Tabs,
+} from '@mui/material';
+
+import { setSidebarTab, useInspectorDrawerOpen, useSelectedSidebarTab } from '../../documents/editor/EditorContext';
+
+import ConfigurationPanel from './ConfigurationPanel';
+import StylesPanel from './StylesPanel';
+
+export const INSPECTOR_DRAWER_WIDTH = 320;
+
+export default function InspectorDrawer() {
+  const selectedSidebarTab = useSelectedSidebarTab();
+  const inspectorDrawerOpen = useInspectorDrawerOpen();
+
+  const renderCurrentSidebarPanel = () => {
+    switch (selectedSidebarTab) {
+      case 'block-configuration':
+        return <ConfigurationPanel />;
+      case 'styles':
+        return <StylesPanel />;
+    }
+  };
+
+  return (
+    <Drawer
+      variant="persistent"
+      anchor="right"
+      className="sidebar"
+      open={inspectorDrawerOpen}
+      sx={{
+        width: inspectorDrawerOpen ? INSPECTOR_DRAWER_WIDTH : 0,
+      }}
+      // Make the drawer relative to the wrapper instead of body.
+      PaperProps={{ style: { position: 'absolute', zIndex: 0 } }}
+      ModalProps={{
+        container: document.querySelector('.email-builder-container'),
+        style: { position: 'absolute', zIndex: 0 },
+      }}
+    >
+      <Box sx={{
+        width: INSPECTOR_DRAWER_WIDTH, height: 49, borderBottom: 1, borderColor: 'divider',
+      }}
+      >
+        <Box px={2}>
+          <Tabs value={selectedSidebarTab} onChange={(_, v) => setSidebarTab(v)}>
+            <Tab value="styles" label="Styles" />
+            <Tab value="block-configuration" label="Inspect" />
+          </Tabs>
+        </Box>
+      </Box>
+      <Box sx={{ width: INSPECTOR_DRAWER_WIDTH, height: 'calc(100% - 49px)', overflow: 'auto' }}>
+        {renderCurrentSidebarPanel()}
+      </Box>
+    </Drawer>
+  );
+}
@@ -0,0 +1,20 @@
+import React, { useMemo } from 'react';
+
+import { FileDownloadOutlined } from '@mui/icons-material';
+import { IconButton, Tooltip } from '@mui/material';
+
+import { useDocument } from '../../../documents/editor/EditorContext';
+
+export default function DownloadJson() {
+  const doc = useDocument();
+  const href = useMemo(() => {
+    return `data:text/plain,${encodeURIComponent(JSON.stringify(doc, null, '  '))}`;
+  }, [doc]);
+  return (
+    <Tooltip title="Download JSON file">
+      <IconButton href={href} download="emailTemplate.json">
+        <FileDownloadOutlined fontSize="small" />
+      </IconButton>
+    </Tooltip>
+  );
+}
@@ -0,0 +1,15 @@
+import React, { useMemo } from 'react';
+
+import { useDocument } from '../../documents/editor/EditorContext';
+import { renderHtmlWithMeta } from '../../utils';
+
+import HighlightedCodePanel from './helper/HighlightedCodePanel';
+
+export default function HtmlPanel() {
+  const document = useDocument();
+  const code = useMemo(
+    () => renderHtmlWithMeta(document, { rootBlockId: 'root', outlook: Boolean(document.root?.data?.outlook) }),
+    [document]
+  );
+  return <HighlightedCodePanel type="html" value={code} />;
+}
@@ -0,0 +1,89 @@
+import React, { useState } from 'react';
+
+import {
+  Alert,
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Link,
+  TextField,
+  Typography,
+} from '@mui/material';
+
+import { resetDocument } from '../../../documents/editor/EditorContext';
+
+import validateJsonStringValue from './validateJsonStringValue';
+
+type ImportJsonDialogProps = {
+  onClose: () => void;
+};
+export default function ImportJsonDialog({ onClose }: ImportJsonDialogProps) {
+  const [value, setValue] = useState('');
+  const [error, setError] = useState<string | null>(null);
+
+  const handleChange: React.ChangeEventHandler<HTMLTextAreaElement | HTMLInputElement> = (ev) => {
+    const v = ev.currentTarget.value;
+    setValue(v);
+    const { error } = validateJsonStringValue(v);
+    setError(error ?? null);
+  };
+
+  let errorAlert = null;
+  if (error) {
+    errorAlert = <Alert color="error">{error}</Alert>;
+  }
+
+  return (
+    <Dialog open onClose={onClose}>
+      <DialogTitle>Import JSON</DialogTitle>
+      <form
+        onSubmit={(ev) => {
+          ev.preventDefault();
+          const { error, data } = validateJsonStringValue(value);
+          setError(error ?? null);
+          if (!data) {
+            return;
+          }
+          resetDocument(data);
+          onClose();
+        }}
+      >
+        <DialogContent>
+          <Typography color="text.secondary" paragraph>
+            Copy and paste an EmailBuilder.js JSON (
+            <Link
+              href="https://gist.githubusercontent.com/jordanisip/efb61f56ba71bd36d3a9440122cb7f50/raw/30ea74a6ac7e52ebdc309bce07b71a9286ce2526/emailBuilderTemplate.json"
+              target="_blank"
+              underline="none"
+            >
+              example
+            </Link>
+            ).
+          </Typography>
+          {errorAlert}
+          <TextField
+            error={error !== null}
+            value={value}
+            onChange={handleChange}
+            type="text"
+            helperText="This will override your current template."
+            variant="outlined"
+            fullWidth
+            rows={10}
+            multiline
+          />
+        </DialogContent>
+        <DialogActions>
+          <Button type="button" onClick={onClose}>
+            Cancel
+          </Button>
+          <Button variant="contained" type="submit" disabled={error !== null}>
+            Import
+          </Button>
+        </DialogActions>
+      </form>
+    </Dialog>
+  );
+}
@@ -0,0 +1,26 @@
+import React, { useState } from 'react';
+
+import { FileUploadOutlined } from '@mui/icons-material';
+import { IconButton, Tooltip } from '@mui/material';
+
+import ImportJsonDialog from './ImportJsonDialog';
+
+export default function ImportJson() {
+  const [open, setOpen] = useState(false);
+
+  let dialog = null;
+  if (open) {
+    dialog = <ImportJsonDialog onClose={() => setOpen(false)} />;
+  }
+
+  return (
+    <>
+      <Tooltip title="Import JSON">
+        <IconButton onClick={() => setOpen(true)}>
+          <FileUploadOutlined fontSize="small" />
+        </IconButton>
+      </Tooltip>
+      {dialog}
+    </>
+  );
+}
@@ -0,0 +1,23 @@
+import { EditorConfigurationSchema, TEditorConfiguration } from '../../../documents/editor/core';
+
+type TResult = { error: string; data?: undefined } | { data: TEditorConfiguration; error?: undefined };
+
+export default function validateTextAreaValue(value: string): TResult {
+  let jsonObject = undefined;
+  try {
+    jsonObject = JSON.parse(value);
+  } catch {
+    return { error: 'Invalid json' };
+  }
+
+  const parseResult = EditorConfigurationSchema.safeParse(jsonObject);
+  if (!parseResult.success) {
+    return { error: 'Invalid JSON schema' };
+  }
+
+  if (!parseResult.data.root) {
+    return { error: 'Missing "root" node' };
+  }
+
+  return { data: parseResult.data };
+}
@@ -0,0 +1,11 @@
+import React, { useMemo } from 'react';
+
+import { useDocument } from '../../documents/editor/EditorContext';
+
+import HighlightedCodePanel from './helper/HighlightedCodePanel';
+
+export default function JsonPanel() {
+  const document = useDocument();
+  const code = useMemo(() => JSON.stringify(document, null, '  '), [document]);
+  return <HighlightedCodePanel type="json" value={code} />;
+}
@@ -0,0 +1,59 @@
+import React from 'react';
+
+import { CodeOutlined, DataObjectOutlined, EditOutlined, PreviewOutlined } from '@mui/icons-material';
+import { Tab, Tabs, Tooltip } from '@mui/material';
+
+import { setSelectedMainTab, useSelectedMainTab } from '../../documents/editor/EditorContext';
+
+export default function MainTabsGroup() {
+  const selectedMainTab = useSelectedMainTab();
+  const handleChange = (_: unknown, v: unknown) => {
+    switch (v) {
+      case 'json':
+      case 'preview':
+      case 'editor':
+      case 'html':
+        setSelectedMainTab(v);
+        return;
+      default:
+        setSelectedMainTab('editor');
+    }
+  };
+
+  return (
+    <Tabs value={selectedMainTab} onChange={handleChange}>
+      <Tab
+        value="editor"
+        label={
+          <Tooltip title="Edit">
+            <EditOutlined fontSize="small" />
+          </Tooltip>
+        }
+      />
+      <Tab
+        value="preview"
+        label={
+          <Tooltip title="Preview">
+            <PreviewOutlined fontSize="small" />
+          </Tooltip>
+        }
+      />
+      <Tab
+        value="html"
+        label={
+          <Tooltip title="HTML output">
+            <CodeOutlined fontSize="small" />
+          </Tooltip>
+        }
+      />
+      <Tab
+        value="json"
+        label={
+          <Tooltip title="JSON output">
+            <DataObjectOutlined fontSize="small" />
+          </Tooltip>
+        }
+      />
+    </Tabs>
+  );
+}
@@ -0,0 +1,37 @@
+import React, { useState } from 'react';
+
+import { IosShareOutlined } from '@mui/icons-material';
+import { IconButton, Snackbar, Tooltip } from '@mui/material';
+
+import { useDocument } from '../../documents/editor/EditorContext';
+
+export default function ShareButton() {
+  const document = useDocument();
+  const [message, setMessage] = useState < string | null > (null);
+
+  const onClick = async () => {
+    const c = encodeURIComponent(JSON.stringify(document));
+    location.hash = `#code/${btoa(c)}`;
+    setMessage('The URL was updated. Copy it to share your current template.');
+  };
+
+  const onClose = () => {
+    setMessage(null);
+  };
+
+  return (
+    <>
+      <IconButton onClick={onClick}>
+        <Tooltip title="Share current template">
+          <IosShareOutlined fontSize="small" />
+        </Tooltip>
+      </IconButton>
+      <Snackbar
+        anchorOrigin={{ vertical: 'top', horizontal: 'center' }}
+        open={message !== null}
+        onClose={onClose}
+        message={message}
+      />
+    </>
+  );
+}
@@ -0,0 +1,40 @@
+import React, { useEffect, useState } from 'react';
+
+import { html, json } from './highlighters';
+
+type TextEditorPanelProps = {
+  type: 'json' | 'html' | 'javascript';
+  value: string;
+};
+export default function HighlightedCodePanel({ type, value }: TextEditorPanelProps) {
+  const [code, setCode] = useState<string | null>(null);
+
+  useEffect(() => {
+    switch (type) {
+      case 'html':
+        html(value).then(setCode);
+        return;
+      case 'json':
+        json(value).then(setCode);
+        return;
+    }
+  }, [setCode, value, type]);
+
+  if (code === null) {
+    return null;
+  }
+
+  return (
+    <pre
+      style={{ margin: 0, padding: 16, height: '100%', overflow: 'auto' }}
+      dangerouslySetInnerHTML={{ __html: code }}
+      onClick={(ev) => {
+        const s = window.getSelection();
+        if (s === null) {
+          return;
+        }
+        s.selectAllChildren(ev.currentTarget);
+      }}
+    />
+  );
+}
@@ -0,0 +1,28 @@
+import hljs from 'highlight.js';
+import jsonHighlighter from 'highlight.js/lib/languages/json';
+import xmlHighlighter from 'highlight.js/lib/languages/xml';
+import prettierPluginBabel from 'prettier/plugins/babel';
+import prettierPluginEstree from 'prettier/plugins/estree';
+import prettierPluginHtml from 'prettier/plugins/html';
+import { format } from 'prettier/standalone';
+
+hljs.registerLanguage('json', jsonHighlighter);
+hljs.registerLanguage('html', xmlHighlighter);
+
+export async function html(value: string): Promise<string> {
+  const prettyValue = await format(value, {
+    parser: 'html',
+    plugins: [prettierPluginHtml],
+  });
+  return hljs.highlight(prettyValue, { language: 'html' }).value;
+}
+
+export async function json(value: string): Promise<string> {
+  const prettyValue = await format(value, {
+    parser: 'json',
+    printWidth: 0,
+    trailingComma: 'all',
+    plugins: [prettierPluginBabel, prettierPluginEstree],
+  });
+  return hljs.highlight(prettyValue, { language: 'javascript' }).value;
+}
@@ -0,0 +1,114 @@
+import React from 'react';
+
+import { MonitorOutlined, PhoneIphoneOutlined } from '@mui/icons-material';
+import { Box, Stack, SxProps, ToggleButton, ToggleButtonGroup, Tooltip } from '@mui/material';
+import { Reader } from '@usewaypoint/email-builder';
+
+import EditorBlock from '../../documents/editor/EditorBlock';
+import {
+  setSelectedScreenSize,
+  useDocument,
+  useSelectedMainTab,
+  useSelectedScreenSize,
+} from '../../documents/editor/EditorContext';
+import ToggleInspectorPanelButton from '../InspectorDrawer/ToggleInspectorPanelButton';
+
+import DownloadJson from './DownloadJson';
+import HtmlPanel from './HtmlPanel';
+import ImportJson from './ImportJson';
+import JsonPanel from './JsonPanel';
+import MainTabsGroup from './MainTabsGroup';
+
+export default function TemplatePanel() {
+  const document = useDocument();
+  const selectedMainTab = useSelectedMainTab();
+  const selectedScreenSize = useSelectedScreenSize();
+
+  let mainBoxSx: SxProps = {
+    height: '100%',
+  };
+  if (selectedScreenSize === 'mobile') {
+    mainBoxSx = {
+      ...mainBoxSx,
+      margin: '32px auto',
+      width: 370,
+      height: 800,
+      boxShadow:
+        'rgba(33, 36, 67, 0.04) 0px 10px 20px, rgba(33, 36, 67, 0.04) 0px 2px 6px, rgba(33, 36, 67, 0.04) 0px 0px 1px',
+    };
+  }
+
+  const handleScreenSizeChange = (_: unknown, value: unknown) => {
+    switch (value) {
+      case 'mobile':
+      case 'desktop':
+        setSelectedScreenSize(value);
+        return;
+      default:
+        setSelectedScreenSize('desktop');
+    }
+  };
+
+  const renderMainPanel = () => {
+    switch (selectedMainTab) {
+      case 'editor':
+        return (
+          <Box sx={mainBoxSx}>
+            <EditorBlock id="root" />
+          </Box>
+        );
+      case 'preview':
+        return (
+          <Box sx={mainBoxSx}>
+            <Reader document={document} rootBlockId="root" />
+          </Box>
+        );
+      case 'html':
+        return <HtmlPanel />;
+      case 'json':
+        return <JsonPanel />;
+    }
+  };
+
+  return (
+    <>
+      <Stack
+        sx={{
+          height: 49,
+          borderBottom: 1,
+          borderColor: 'divider',
+          backgroundColor: 'white',
+          top: 0,
+          px: 1,
+        }}
+        direction="row"
+        justifyContent="space-between"
+        alignItems="center"
+      >
+        <Stack px={2} direction="row" gap={2} width="100%" justifyContent="space-between" alignItems="center">
+          <Stack direction="row" spacing={2}>
+            <MainTabsGroup />
+          </Stack>
+          <Stack direction="row" spacing={2}>
+            <DownloadJson />
+            <ImportJson />
+            <ToggleButtonGroup value={selectedScreenSize} exclusive size="small" onChange={handleScreenSizeChange}>
+              <ToggleButton value="desktop">
+                <Tooltip title="Desktop view">
+                  <MonitorOutlined fontSize="small" />
+                </Tooltip>
+              </ToggleButton>
+              <ToggleButton value="mobile">
+                <Tooltip title="Mobile view">
+                  <PhoneIphoneOutlined fontSize="small" />
+                </Tooltip>
+              </ToggleButton>
+            </ToggleButtonGroup>
+          </Stack>
+        </Stack>
+        <ToggleInspectorPanelButton />
+      </Stack>
+      <Box sx={{ height: 'calc(100vh - 49px)', overflow: 'auto', minWidth: 370 }}>{renderMainPanel()}</Box>
+    </>
+  );
+}
@@ -0,0 +1,71 @@
+import { Stack, useTheme } from '@mui/material';
+import React from 'react';
+
+import { TEditorConfiguration } from '../documents/editor/core';
+import { setDocument, subscribeDocument, useInspectorDrawerOpen, useSamplesDrawerOpen } from '../documents/editor/EditorContext';
+import { renderHtmlWithMeta } from '../utils';
+import InspectorDrawer, { INSPECTOR_DRAWER_WIDTH } from './InspectorDrawer';
+import TemplatePanel from './TemplatePanel';
+
+export const DEFAULT_SOURCE: TEditorConfiguration = {
+  "root": {
+    "type": "EmailLayout",
+    "data": {}
+  }
+}
+
+function useDrawerTransition(cssProperty: 'margin-left' | 'margin-right', open: boolean) {
+  const { transitions } = useTheme();
+  return transitions.create(cssProperty, {
+    easing: !open ? transitions.easing.sharp : transitions.easing.easeOut,
+    duration: !open ? transitions.duration.leavingScreen : transitions.duration.enteringScreen,
+  });
+}
+
+export interface AppProps {
+  // Initial configuration to load. Optional.
+  data?: TEditorConfiguration,
+  // Callback for any change in document. Optional.
+  onChange?: (json: TEditorConfiguration, html: String) => void,
+  // Optional height for the Stack component.
+  height?: string,
+}
+
+export default function App(props: AppProps) {
+  const inspectorDrawerOpen = useInspectorDrawerOpen();
+  const samplesDrawerOpen = useSamplesDrawerOpen();
+
+  const marginLeftTransition = useDrawerTransition('margin-left', samplesDrawerOpen);
+  const marginRightTransition = useDrawerTransition('margin-right', inspectorDrawerOpen);
+
+  if (props.data) {
+    setDocument(props.data)
+  } else {
+    setDocument(DEFAULT_SOURCE)
+  }
+
+  if (props.onChange) {
+    subscribeDocument ((document) => {
+      props.onChange?.(
+        document,
+        renderHtmlWithMeta(document, { rootBlockId: 'root', outlook: Boolean(document.root?.data?.outlook) })
+      )
+    })
+  }
+
+  return (
+    <>
+      <InspectorDrawer />
+
+      <Stack
+        sx={{
+          marginRight: inspectorDrawerOpen ? `${INSPECTOR_DRAWER_WIDTH}px` : 0,
+          transition: [marginLeftTransition, marginRightTransition].join(', '),
+          height: props.height ? props.height : 'auto',
+        }}
+      >
+        <TemplatePanel />
+      </Stack>
+    </>
+  );
+}
@@ -0,0 +1,49 @@
+import React from 'react';
+
+import { ColumnsContainer as BaseColumnsContainer } from '@usewaypoint/block-columns-container';
+
+import { useCurrentBlockId } from '../../editor/EditorBlock';
+import { setDocument, setSelectedBlockId } from '../../editor/EditorContext';
+import EditorChildrenIds, { EditorChildrenChange } from '../helpers/EditorChildrenIds';
+
+import ColumnsContainerPropsSchema, { ColumnsContainerProps } from './ColumnsContainerPropsSchema';
+
+const EMPTY_COLUMNS = [{ childrenIds: [] }, { childrenIds: [] }, { childrenIds: [] }];
+
+export default function ColumnsContainerEditor({ style, props }: ColumnsContainerProps) {
+  const currentBlockId = useCurrentBlockId();
+
+  const { columns, ...restProps } = props ?? {};
+  const columnsValue = columns ?? EMPTY_COLUMNS;
+
+  const updateColumn = (columnIndex: 0 | 1 | 2, { block, blockId, childrenIds }: EditorChildrenChange) => {
+    const nColumns = [...columnsValue];
+    nColumns[columnIndex] = { childrenIds };
+    setDocument({
+      [blockId]: block,
+      [currentBlockId]: {
+        type: 'ColumnsContainer',
+        data: ColumnsContainerPropsSchema.parse({
+          style,
+          props: {
+            ...restProps,
+            columns: nColumns,
+          },
+        }),
+      },
+    });
+    setSelectedBlockId(blockId);
+  };
+
+  return (
+    <BaseColumnsContainer
+      props={restProps}
+      style={style}
+      columns={[
+        <EditorChildrenIds childrenIds={columns?.[0]?.childrenIds} onChange={(change) => updateColumn(0, change)} />,
+        <EditorChildrenIds childrenIds={columns?.[1]?.childrenIds} onChange={(change) => updateColumn(1, change)} />,
+        <EditorChildrenIds childrenIds={columns?.[2]?.childrenIds} onChange={(change) => updateColumn(2, change)} />,
+      ]}
+    />
+  );
+}
@@ -0,0 +1,23 @@
+import { z } from 'zod';
+
+import { ColumnsContainerPropsSchema as BaseColumnsContainerPropsSchema } from '@usewaypoint/block-columns-container';
+
+const BasePropsShape = BaseColumnsContainerPropsSchema.shape.props.unwrap().unwrap().shape;
+
+const ColumnsContainerPropsSchema = z.object({
+  style: BaseColumnsContainerPropsSchema.shape.style,
+  props: z
+    .object({
+      ...BasePropsShape,
+      columns: z.tuple([
+        z.object({ childrenIds: z.array(z.string()) }),
+        z.object({ childrenIds: z.array(z.string()) }),
+        z.object({ childrenIds: z.array(z.string()) }),
+      ]),
+    })
+    .optional()
+    .nullable(),
+});
+
+export type ColumnsContainerProps = z.infer<typeof ColumnsContainerPropsSchema>;
+export default ColumnsContainerPropsSchema;
@@ -0,0 +1,37 @@
+import React from 'react';
+
+import { Container as BaseContainer } from '@usewaypoint/block-container';
+
+import { useCurrentBlockId } from '../../editor/EditorBlock';
+import { setDocument, setSelectedBlockId, useDocument } from '../../editor/EditorContext';
+import EditorChildrenIds from '../helpers/EditorChildrenIds';
+
+import { ContainerProps } from './ContainerPropsSchema';
+
+export default function ContainerEditor({ style, props }: ContainerProps) {
+  const childrenIds = props?.childrenIds ?? [];
+
+  const document = useDocument();
+  const currentBlockId = useCurrentBlockId();
+
+  return (
+    <BaseContainer style={style}>
+      <EditorChildrenIds
+        childrenIds={childrenIds}
+        onChange={({ block, blockId, childrenIds }) => {
+          setDocument({
+            [blockId]: block,
+            [currentBlockId]: {
+              type: 'Container',
+              data: {
+                ...document[currentBlockId].data,
+                props: { childrenIds: childrenIds },
+              },
+            },
+          });
+          setSelectedBlockId(blockId);
+        }}
+      />
+    </BaseContainer>
+  );
+}
@@ -0,0 +1,17 @@
+import { z } from 'zod';
+
+import { ContainerPropsSchema as BaseContainerPropsSchema } from '@usewaypoint/block-container';
+
+const ContainerPropsSchema = z.object({
+  style: BaseContainerPropsSchema.shape.style,
+  props: z
+    .object({
+      childrenIds: z.array(z.string()).optional().nullable(),
+    })
+    .optional()
+    .nullable(),
+});
+
+export default ContainerPropsSchema;
+
+export type ContainerProps = z.infer<typeof ContainerPropsSchema>;
@@ -0,0 +1,103 @@
+import React from 'react';
+
+import { useCurrentBlockId } from '../../editor/EditorBlock';
+import { setDocument, setSelectedBlockId, useDocument } from '../../editor/EditorContext';
+import EditorChildrenIds from '../helpers/EditorChildrenIds';
+
+import { EmailLayoutProps } from './EmailLayoutPropsSchema';
+
+function getFontFamily(fontFamily: EmailLayoutProps['fontFamily']) {
+  const f = fontFamily ?? 'MODERN_SANS';
+  switch (f) {
+    case 'MODERN_SANS':
+      return '"Helvetica Neue", "Arial Nova", "Nimbus Sans", Arial, sans-serif';
+    case 'BOOK_SANS':
+      return 'Optima, Candara, "Noto Sans", source-sans-pro, sans-serif';
+    case 'ORGANIC_SANS':
+      return 'Seravek, "Gill Sans Nova", Ubuntu, Calibri, "DejaVu Sans", source-sans-pro, sans-serif';
+    case 'GEOMETRIC_SANS':
+      return 'Avenir, "Avenir Next LT Pro", Montserrat, Corbel, "URW Gothic", source-sans-pro, sans-serif';
+    case 'HEAVY_SANS':
+      return 'Bahnschrift, "DIN Alternate", "Franklin Gothic Medium", "Nimbus Sans Narrow", sans-serif-condensed, sans-serif';
+    case 'ROUNDED_SANS':
+      return 'ui-rounded, "Hiragino Maru Gothic ProN", Quicksand, Comfortaa, Manjari, "Arial Rounded MT Bold", Calibri, source-sans-pro, sans-serif';
+    case 'MODERN_SERIF':
+      return 'Charter, "Bitstream Charter", "Sitka Text", Cambria, serif';
+    case 'BOOK_SERIF':
+      return '"Iowan Old Style", "Palatino Linotype", "URW Palladio L", P052, serif';
+    case 'MONOSPACE':
+      return '"Nimbus Mono PS", "Courier New", "Cutive Mono", monospace';
+  }
+}
+
+export default function EmailLayoutEditor(props: EmailLayoutProps) {
+  const childrenIds = props.childrenIds ?? [];
+  const document = useDocument();
+  const currentBlockId = useCurrentBlockId();
+
+  return (
+    <div
+      onClick={() => {
+        setSelectedBlockId(null);
+      }}
+      style={{
+        backgroundColor: props.backdropColor ?? '#F5F5F5',
+        color: props.textColor ?? '#262626',
+        fontFamily: getFontFamily(props.fontFamily),
+        fontSize: '16px',
+        fontWeight: '400',
+        letterSpacing: '0.15008px',
+        lineHeight: '1.5',
+        margin: '0',
+        padding: '32px 0',
+        width: '100%',
+        minHeight: '100%',
+      }}
+    >
+      <table
+        align="center"
+        width="100%"
+        style={{
+          margin: '0 auto',
+          maxWidth: '600px',
+          backgroundColor: props.canvasColor ?? '#FFFFFF',
+          borderRadius: props.borderRadius ?? undefined,
+          border: (() => {
+            const v = props.borderColor;
+            if (!v) {
+              return undefined;
+            }
+            return `1px solid ${v}`;
+          })(),
+        }}
+        role="presentation"
+        cellSpacing="0"
+        cellPadding="0"
+        border={0}
+      >
+        <tbody>
+          <tr style={{ width: '100%' }}>
+            <td>
+              <EditorChildrenIds
+                childrenIds={childrenIds}
+                onChange={({ block, blockId, childrenIds }) => {
+                  setDocument({
+                    [blockId]: block,
+                    [currentBlockId]: {
+                      type: 'EmailLayout',
+                      data: {
+                        ...document[currentBlockId].data,
+                        childrenIds: childrenIds,
+                      },
+                    },
+                  });
+                  setSelectedBlockId(blockId);
+                }}
+              />
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  );
+}
@@ -0,0 +1,37 @@
+import { z } from 'zod';
+
+const COLOR_SCHEMA = z
+  .string()
+  .regex(/^#[0-9a-fA-F]{6}$/)
+  .nullable()
+  .optional();
+
+const FONT_FAMILY_SCHEMA = z
+  .enum([
+    'MODERN_SANS',
+    'BOOK_SANS',
+    'ORGANIC_SANS',
+    'GEOMETRIC_SANS',
+    'HEAVY_SANS',
+    'ROUNDED_SANS',
+    'MODERN_SERIF',
+    'BOOK_SERIF',
+    'MONOSPACE',
+  ])
+  .nullable()
+  .optional();
+
+const EmailLayoutPropsSchema = z.object({
+  backdropColor: COLOR_SCHEMA,
+  borderColor: COLOR_SCHEMA,
+  borderRadius: z.number().optional().nullable(),
+  canvasColor: COLOR_SCHEMA,
+  textColor: COLOR_SCHEMA,
+  fontFamily: FONT_FAMILY_SCHEMA,
+  childrenIds: z.array(z.string()).optional().nullable(),
+  outlook: z.boolean().optional().nullable(),
+});
+
+export default EmailLayoutPropsSchema;
+
+export type EmailLayoutProps = z.infer<typeof EmailLayoutPropsSchema>;
@@ -0,0 +1,36 @@
+import React from 'react';
+
+import { Box, Button, SxProps, Typography } from '@mui/material';
+
+type BlockMenuButtonProps = {
+  label: string;
+  icon: React.ReactNode;
+  onClick: () => void;
+};
+
+const BUTTON_SX: SxProps = { p: 1.5, display: 'flex', flexDirection: 'column' };
+const ICON_SX: SxProps = {
+  mb: 0.75,
+  width: '100%',
+  bgcolor: 'cadet.200',
+  display: 'flex',
+  justifyContent: 'center',
+  p: 1,
+  border: '1px solid',
+  borderColor: 'cadet.300',
+};
+
+export default function BlockTypeButton({ label, icon, onClick }: BlockMenuButtonProps) {
+  return (
+    <Button
+      sx={BUTTON_SX}
+      onClick={(ev) => {
+        ev.stopPropagation();
+        onClick();
+      }}
+    >
+      <Box sx={ICON_SX}>{icon}</Box>
+      <Typography variant="body2">{label}</Typography>
+    </Button>
+  );
+}
@@ -0,0 +1,44 @@
+import React from 'react';
+
+import { Box, Menu } from '@mui/material';
+
+import { TEditorBlock } from '../../../../editor/core';
+
+import BlockButton from './BlockButton';
+import { BUTTONS } from './buttons';
+
+type BlocksMenuProps = {
+  anchorEl: HTMLElement | null;
+  setAnchorEl: (v: HTMLElement | null) => void;
+  onSelect: (block: TEditorBlock) => void;
+};
+export default function BlocksMenu({ anchorEl, setAnchorEl, onSelect }: BlocksMenuProps) {
+  const onClose = () => {
+    setAnchorEl(null);
+  };
+
+  const onClick = (block: TEditorBlock) => {
+    onSelect(block);
+    setAnchorEl(null);
+  };
+
+  if (anchorEl === null) {
+    return null;
+  }
+
+  return (
+    <Menu
+      open
+      anchorEl={anchorEl}
+      onClose={onClose}
+      anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
+      transformOrigin={{ vertical: 'top', horizontal: 'center' }}
+    >
+      <Box sx={{ p: 1, display: 'grid', gridTemplateColumns: '1fr 1fr 1fr 1fr' }}>
+        {BUTTONS.map((k, i) => (
+          <BlockButton key={i} label={k.label} icon={k.icon} onClick={() => onClick(k.block())} />
+        ))}
+      </Box>
+    </Menu>
+  );
+}
@@ -0,0 +1,63 @@
+import React, { useEffect, useState } from 'react';
+
+import { AddOutlined } from '@mui/icons-material';
+import { Fade, IconButton } from '@mui/material';
+
+type Props = {
+  buttonElement: HTMLElement | null;
+  onClick: () => void;
+};
+export default function DividerButton({ buttonElement, onClick }: Props) {
+  const [visible, setVisible] = useState(false);
+
+  useEffect(() => {
+    function listener({ clientX, clientY }: MouseEvent) {
+      if (!buttonElement) {
+        return;
+      }
+      const rect = buttonElement.getBoundingClientRect();
+      const rectY = rect.y;
+      const bottomX = rect.x;
+      const topX = bottomX + rect.width;
+
+      if (Math.abs(clientY - rectY) < 20) {
+        if (bottomX < clientX && clientX < topX) {
+          setVisible(true);
+          return;
+        }
+      }
+      setVisible(false);
+    }
+    window.addEventListener('mousemove', listener);
+    return () => {
+      window.removeEventListener('mousemove', listener);
+    };
+  }, [buttonElement, setVisible]);
+
+  return (
+    <Fade in={visible}>
+      <IconButton
+        size="small"
+        sx={{
+          p: 0.12,
+          position: 'absolute',
+          top: '-12px',
+          left: '50%',
+          transform: 'translateX(-10px)',
+          bgcolor: 'brand.blue',
+          color: 'primary.contrastText',
+          '&:hover, &:active, &:focus': {
+            bgcolor: 'brand.blue',
+            color: 'primary.contrastText',
+          },
+        }}
+        onClick={(ev) => {
+          ev.stopPropagation();
+          onClick();
+        }}
+      >
+        <AddOutlined fontSize="small" />
+      </IconButton>
+    </Fade>
+  );
+}
@@ -0,0 +1,36 @@
+import React from 'react';
+
+import { AddOutlined } from '@mui/icons-material';
+import { ButtonBase } from '@mui/material';
+
+type Props = {
+  onClick: () => void;
+};
+export default function PlaceholderButton({ onClick }: Props) {
+  return (
+    <ButtonBase
+      onClick={(ev) => {
+        ev.stopPropagation();
+        onClick();
+      }}
+      sx={{
+        display: 'flex',
+        alignContent: 'center',
+        justifyContent: 'center',
+        height: 48,
+        width: '100%',
+        bgcolor: 'rgba(0,0,0, 0.05)',
+      }}
+    >
+      <AddOutlined
+        sx={{
+          p: 0.12,
+          bgcolor: 'brand.blue',
+          borderRadius: 24,
+          color: 'primary.contrastText',
+        }}
+        fontSize="small"
+      />
+    </ButtonBase>
+  );
+}
@@ -0,0 +1,160 @@
+import React from 'react';
+
+import {
+  AccountCircleOutlined,
+  Crop32Outlined,
+  HMobiledataOutlined,
+  HorizontalRuleOutlined,
+  HtmlOutlined,
+  ImageOutlined,
+  LibraryAddOutlined,
+  NotesOutlined,
+  SmartButtonOutlined,
+  ViewColumnOutlined,
+} from '@mui/icons-material';
+
+import { TEditorBlock } from '../../../../editor/core';
+
+type TButtonProps = {
+  label: string;
+  icon: JSX.Element;
+  block: () => TEditorBlock;
+};
+export const BUTTONS: TButtonProps[] = [
+  {
+    label: 'Heading',
+    icon: <HMobiledataOutlined />,
+    block: () => ({
+      type: 'Heading',
+      data: {
+        props: { text: 'Heading' },
+        style: {
+          padding: { top: 16, bottom: 16, left: 24, right: 24 },
+        },
+      },
+    }),
+  },
+  {
+    label: 'Text',
+    icon: <NotesOutlined />,
+    block: () => ({
+      type: 'Text',
+      data: {
+        props: { text: 'My new text block' },
+        style: {
+          padding: { top: 16, bottom: 16, left: 24, right: 24 },
+          fontWeight: 'normal',
+        },
+      },
+    }),
+  },
+
+  {
+    label: 'Button',
+    icon: <SmartButtonOutlined />,
+    block: () => ({
+      type: 'Button',
+      data: {
+        props: {
+          text: 'Button',
+          url: 'https://example.com',
+        },
+        style: { padding: { top: 16, bottom: 16, left: 24, right: 24 } },
+      },
+    }),
+  },
+  {
+    label: 'Image',
+    icon: <ImageOutlined />,
+    block: () => ({
+      type: 'Image',
+      data: {
+        props: {
+          url: 'https://upload.wikimedia.org/wikipedia/commons/3/3f/Placeholder_view_vector.svg',
+          alt: 'Sample product',
+          contentAlignment: 'middle',
+          linkHref: null,
+        },
+        style: { padding: { top: 16, bottom: 16, left: 24, right: 24 } },
+      },
+    }),
+  },
+  {
+    label: 'Avatar',
+    icon: <AccountCircleOutlined />,
+    block: () => ({
+      type: 'Avatar',
+      data: {
+        props: {
+          imageUrl: 'https://upload.wikimedia.org/wikipedia/commons/8/89/Portrait_Placeholder.png',
+          shape: 'circle',
+        },
+        style: { padding: { top: 16, bottom: 16, left: 24, right: 24 } },
+      },
+    }),
+  },
+  {
+    label: 'Divider',
+    icon: <HorizontalRuleOutlined />,
+    block: () => ({
+      type: 'Divider',
+      data: {
+        style: { padding: { top: 16, right: 0, bottom: 16, left: 0 } },
+        props: {
+          lineColor: '#CCCCCC',
+        },
+      },
+    }),
+  },
+  {
+    label: 'Spacer',
+    icon: <Crop32Outlined />,
+    block: () => ({
+      type: 'Spacer',
+      data: {},
+    }),
+  },
+  {
+    label: 'Html',
+    icon: <HtmlOutlined />,
+    block: () => ({
+      type: 'Html',
+      data: {
+        props: { contents: '<strong>Hello world</strong>' },
+        style: {
+          fontSize: 16,
+          textAlign: null,
+          padding: { top: 16, bottom: 16, left: 24, right: 24 },
+        },
+      },
+    }),
+  },
+  {
+    label: 'Columns',
+    icon: <ViewColumnOutlined />,
+    block: () => ({
+      type: 'ColumnsContainer',
+      data: {
+        props: {
+          columnsGap: 16,
+          columnsCount: 3,
+          columns: [{ childrenIds: [] }, { childrenIds: [] }, { childrenIds: [] }],
+        },
+        style: { padding: { top: 16, bottom: 16, left: 24, right: 24 } },
+      },
+    }),
+  },
+  {
+    label: 'Container',
+    icon: <LibraryAddOutlined />,
+    block: () => ({
+      type: 'Container',
+      data: {
+        style: { padding: { top: 16, bottom: 16, left: 24, right: 24 } },
+      },
+    }),
+  },
+
+  // { label: 'ProgressBar', icon: <ProgressBarOutlined />, block: () => ({}) },
+  // { label: 'LoopContainer', icon: <ViewListOutlined />, block: () => ({}) },
+];
@@ -0,0 +1,37 @@
+import React, { useState } from 'react';
+
+import { TEditorBlock } from '../../../../editor/core';
+
+import BlocksMenu from './BlocksMenu';
+import DividerButton from './DividerButton';
+import PlaceholderButton from './PlaceholderButton';
+
+type Props = {
+  placeholder?: boolean;
+  onSelect: (block: TEditorBlock) => void;
+};
+export default function AddBlockButton({ onSelect, placeholder }: Props) {
+  const [menuAnchorEl, setMenuAnchorEl] = useState<HTMLElement | null>(null);
+  const [buttonElement, setButtonElement] = useState<HTMLElement | null>(null);
+
+  const handleButtonClick = () => {
+    setMenuAnchorEl(buttonElement);
+  };
+
+  const renderButton = () => {
+    if (placeholder) {
+      return <PlaceholderButton onClick={handleButtonClick} />;
+    } else {
+      return <DividerButton buttonElement={buttonElement} onClick={handleButtonClick} />;
+    }
+  };
+
+  return (
+    <>
+      <div ref={setButtonElement} style={{ position: 'relative' }}>
+        {renderButton()}
+      </div>
+      <BlocksMenu anchorEl={menuAnchorEl} setAnchorEl={setMenuAnchorEl} onSelect={onSelect} />
+    </>
+  );
+}
@@ -0,0 +1,58 @@
+import React, { Fragment } from 'react';
+
+import { TEditorBlock } from '../../../editor/core';
+import EditorBlock from '../../../editor/EditorBlock';
+
+import AddBlockButton from './AddBlockMenu';
+
+export type EditorChildrenChange = {
+  blockId: string;
+  block: TEditorBlock;
+  childrenIds: string[];
+};
+
+function generateId() {
+  return `block-${Date.now()}`;
+}
+
+export type EditorChildrenIdsProps = {
+  childrenIds: string[] | null | undefined;
+  onChange: (val: EditorChildrenChange) => void;
+};
+export default function EditorChildrenIds({ childrenIds, onChange }: EditorChildrenIdsProps) {
+  const appendBlock = (block: TEditorBlock) => {
+    const blockId = generateId();
+    return onChange({
+      blockId,
+      block,
+      childrenIds: [...(childrenIds || []), blockId],
+    });
+  };
+
+  const insertBlock = (block: TEditorBlock, index: number) => {
+    const blockId = generateId();
+    const newChildrenIds = [...(childrenIds || [])];
+    newChildrenIds.splice(index, 0, blockId);
+    return onChange({
+      blockId,
+      block,
+      childrenIds: newChildrenIds,
+    });
+  };
+
+  if (!childrenIds || childrenIds.length === 0) {
+    return <AddBlockButton placeholder onSelect={appendBlock} />;
+  }
+
+  return (
+    <>
+      {childrenIds.map((childId, i) => (
+        <Fragment key={childId}>
+          <AddBlockButton onSelect={(block) => insertBlock(block, i)} />
+          <EditorBlock id={childId} />
+        </Fragment>
+      ))}
+      <AddBlockButton onSelect={appendBlock} />
+    </>
+  );
+}
@@ -0,0 +1,13 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export type TStyle = {
+  backgroundColor?: any;
+  borderColor?: any;
+  borderRadius?: any;
+  color?: any;
+  fontFamily?: any;
+  fontSize?: any;
+  fontWeight?: any;
+  padding?: any;
+  textAlign?: any;
+};
@@ -0,0 +1,58 @@
+import React, { CSSProperties, useState } from 'react';
+
+import { Box } from '@mui/material';
+
+import { useCurrentBlockId } from '../../../editor/EditorBlock';
+import { setSelectedBlockId, useSelectedBlockId } from '../../../editor/EditorContext';
+
+import TuneMenu from './TuneMenu';
+
+type TEditorBlockWrapperProps = {
+  children: JSX.Element;
+};
+
+export default function EditorBlockWrapper({ children }: TEditorBlockWrapperProps) {
+  const selectedBlockId = useSelectedBlockId();
+  const [mouseInside, setMouseInside] = useState(false);
+  const blockId = useCurrentBlockId();
+
+  let outline: CSSProperties['outline'];
+  if (selectedBlockId === blockId) {
+    outline = '2px solid rgba(0,121,204, 1)';
+  } else if (mouseInside) {
+    outline = '2px solid rgba(0,121,204, 0.3)';
+  }
+
+  const renderMenu = () => {
+    if (selectedBlockId !== blockId) {
+      return null;
+    }
+    return <TuneMenu blockId={blockId} />;
+  };
+
+  return (
+    <Box
+      sx={{
+        position: 'relative',
+        maxWidth: '100%',
+        outlineOffset: '-1px',
+        outline,
+      }}
+      onMouseEnter={(ev) => {
+        setMouseInside(true);
+        ev.stopPropagation();
+      }}
+      onMouseLeave={() => {
+        setMouseInside(false);
+      }}
+      onClick={(ev) => {
+        setSelectedBlockId(blockId);
+        ev.stopPropagation();
+        ev.preventDefault();
+      }}
+    >
+      {renderMenu()}
+      {children}
+    </Box>
+  );
+}
@@ -0,0 +1,26 @@
+import React, { CSSProperties } from 'react';
+
+import { TStyle } from '../TStyle';
+
+type TReaderBlockWrapperProps = {
+  style: TStyle;
+  children: JSX.Element;
+};
+
+export default function ReaderBlockWrapper({ style, children }: TReaderBlockWrapperProps) {
+  const { padding, borderColor, ...restStyle } = style;
+  const cssStyle: CSSProperties = {
+    ...restStyle,
+  };
+
+  if (padding) {
+    const { top, bottom, left, right } = padding;
+    cssStyle.padding = `${top}px ${right}px ${bottom}px ${left}px`;
+  }
+
+  if (borderColor) {
+    cssStyle.border = `1px solid ${borderColor}`;
+  }
+
+  return <div style={{ maxWidth: '100%', ...cssStyle }}>{children}</div>;
+}
@@ -0,0 +1,272 @@
+import React from 'react';
+
+import { ArrowDownwardOutlined, ArrowUpwardOutlined, ContentCopyOutlined, DeleteOutlined } from '@mui/icons-material';
+import { IconButton, Paper, Stack, SxProps, Tooltip } from '@mui/material';
+
+import { TEditorBlock } from '../../../editor/core';
+import { resetDocument, setSelectedBlockId, useDocument } from '../../../editor/EditorContext';
+import { ColumnsContainerProps } from '../../ColumnsContainer/ColumnsContainerPropsSchema';
+
+const sx: SxProps = {
+  position: 'absolute',
+  top: 0,
+  left: -56,
+  borderRadius: 64,
+  paddingX: 0.5,
+  paddingY: 1
+};
+
+type Props = {
+  blockId: string;
+};
+export default function TuneMenu({ blockId }: Props) {
+  const document = useDocument();
+
+  const handleDeleteClick = () => {
+    const filterChildrenIds = (childrenIds: string[] | null | undefined) => {
+      if (!childrenIds) {
+        return childrenIds;
+      }
+      return childrenIds.filter((f) => f !== blockId);
+    };
+    const nDocument: typeof document = { ...document };
+    for (const [id, b] of Object.entries(nDocument)) {
+      const block = b as TEditorBlock;
+      if (id === blockId) {
+        continue;
+      }
+      switch (block.type) {
+        case 'EmailLayout':
+          nDocument[id] = {
+            ...block,
+            data: {
+              ...block.data,
+              childrenIds: filterChildrenIds(block.data.childrenIds),
+            },
+          };
+          break;
+        case 'Container':
+          nDocument[id] = {
+            ...block,
+            data: {
+              ...block.data,
+              props: {
+                ...block.data.props,
+                childrenIds: filterChildrenIds(block.data.props?.childrenIds),
+              },
+            },
+          };
+          break;
+        case 'ColumnsContainer':
+          nDocument[id] = {
+            type: 'ColumnsContainer',
+            data: {
+              style: block.data.style,
+              props: {
+                ...block.data.props,
+                columns: block.data.props?.columns?.map((c) => ({
+                  childrenIds: filterChildrenIds(c.childrenIds),
+                })),
+              },
+            } as ColumnsContainerProps,
+          };
+          break;
+        default:
+          nDocument[id] = block;
+      }
+    }
+    delete nDocument[blockId];
+    resetDocument(nDocument);
+  };
+
+  const handleDuplicateClick = () => {
+    const block = document[blockId] as TEditorBlock;
+    if (!block) {
+      return;
+    }
+
+    // Recursively clone a block and all its descendants, assigning new IDs.
+    const clones: Record<string, TEditorBlock> = {};
+    const cloneBlock = (srcId: string): string => {
+      const newId = `block-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`;
+      const src = document[srcId] as TEditorBlock;
+      if (!src) {
+        return newId;
+      }
+      const cloned: TEditorBlock = JSON.parse(JSON.stringify(src));
+
+      // Remap childrenIds for container types so each child is also cloned.
+      if (cloned.type === 'Container' && cloned.data.props?.childrenIds) {
+        cloned.data.props.childrenIds = cloned.data.props.childrenIds.map(cloneBlock);
+      } else if (cloned.type === 'ColumnsContainer' && cloned.data.props?.columns) {
+        cloned.data.props.columns = cloned.data.props.columns.map((c) => ({
+          childrenIds: c.childrenIds?.map(cloneBlock) ?? [],
+        }));
+      }
+
+      clones[newId] = cloned;
+      return newId;
+    };
+    const newBlockId = cloneBlock(blockId);
+
+    const insertAfter = (ids: string[] | null | undefined) => {
+      if (!ids) {
+        return ids;
+      }
+      const index = ids.indexOf(blockId);
+      if (index < 0) {
+        return ids;
+      }
+      const newIds = [...ids];
+      newIds.splice(index + 1, 0, newBlockId);
+      return newIds;
+    };
+
+    const nDocument: typeof document = {
+      ...document,
+      ...clones,
+    };
+    for (const [id, b] of Object.entries(nDocument)) {
+      const entry = b as TEditorBlock;
+      if (id === blockId || id in clones) {
+        continue;
+      }
+      switch (entry.type) {
+        case 'EmailLayout':
+          nDocument[id] = {
+            ...entry,
+            data: {
+              ...entry.data,
+              childrenIds: insertAfter(entry.data.childrenIds),
+            },
+          };
+          break;
+        case 'Container':
+          nDocument[id] = {
+            ...entry,
+            data: {
+              ...entry.data,
+              props: {
+                ...entry.data.props,
+                childrenIds: insertAfter(entry.data.props?.childrenIds),
+              },
+            },
+          };
+          break;
+        case 'ColumnsContainer':
+          nDocument[id] = {
+            type: 'ColumnsContainer',
+            data: {
+              style: entry.data.style,
+              props: {
+                ...entry.data.props,
+                columns: entry.data.props?.columns?.map((c) => ({
+                  childrenIds: insertAfter(c.childrenIds),
+                })),
+              },
+            } as ColumnsContainerProps,
+          };
+          break;
+        default:
+          nDocument[id] = entry;
+      }
+    }
+    resetDocument(nDocument);
+    setSelectedBlockId(newBlockId);
+  };
+
+  const handleMoveClick = (direction: 'up' | 'down') => {
+    const moveChildrenIds = (ids: string[] | null | undefined) => {
+      if (!ids) {
+        return ids;
+      }
+      const index = ids.indexOf(blockId);
+      if (index < 0) {
+        return ids;
+      }
+      const childrenIds = [...ids];
+      if (direction === 'up' && index > 0) {
+        [childrenIds[index], childrenIds[index - 1]] = [childrenIds[index - 1], childrenIds[index]];
+      } else if (direction === 'down' && index < childrenIds.length - 1) {
+        [childrenIds[index], childrenIds[index + 1]] = [childrenIds[index + 1], childrenIds[index]];
+      }
+      return childrenIds;
+    };
+    const nDocument: typeof document = { ...document };
+    for (const [id, b] of Object.entries(nDocument)) {
+      const block = b as TEditorBlock;
+      if (id === blockId) {
+        continue;
+      }
+      switch (block.type) {
+        case 'EmailLayout':
+          nDocument[id] = {
+            ...block,
+            data: {
+              ...block.data,
+              childrenIds: moveChildrenIds(block.data.childrenIds),
+            },
+          };
+          break;
+        case 'Container':
+          nDocument[id] = {
+            ...block,
+            data: {
+              ...block.data,
+              props: {
+                ...block.data.props,
+                childrenIds: moveChildrenIds(block.data.props?.childrenIds),
+              },
+            },
+          };
+          break;
+        case 'ColumnsContainer':
+          nDocument[id] = {
+            type: 'ColumnsContainer',
+            data: {
+              style: block.data.style,
+              props: {
+                ...block.data.props,
+                columns: block.data.props?.columns?.map((c) => ({
+                  childrenIds: moveChildrenIds(c.childrenIds),
+                })),
+              },
+            } as ColumnsContainerProps,
+          };
+          break;
+        default:
+          nDocument[id] = block;
+      }
+    }
+
+    resetDocument(nDocument);
+    setSelectedBlockId(blockId);
+  };
+
+  return (
+    <Paper sx={sx} onClick={(ev) => ev.stopPropagation()}>
+      <Stack>
+        <Tooltip title="Move up" placement="left-start">
+          <IconButton onClick={() => handleMoveClick('up')} sx={{ color: 'text.primary' }}>
+            <ArrowUpwardOutlined fontSize="small" />
+          </IconButton>
+        </Tooltip>
+        <Tooltip title="Move down" placement="left-start">
+          <IconButton onClick={() => handleMoveClick('down')} sx={{ color: 'text.primary' }}>
+            <ArrowDownwardOutlined fontSize="small" />
+          </IconButton>
+        </Tooltip>
+        <Tooltip title="Duplicate" placement="left-start">
+          <IconButton onClick={handleDuplicateClick} sx={{ color: 'text.primary' }}>
+            <ContentCopyOutlined fontSize="small" />
+          </IconButton>
+        </Tooltip>
+        <Tooltip title="Delete" placement="left-start">
+          <IconButton onClick={handleDeleteClick} sx={{ color: 'text.primary' }}>
+            <DeleteOutlined fontSize="small" />
+          </IconButton>
+        </Tooltip>
+      </Stack>
+    </Paper>
+  );
+}
@@ -0,0 +1,61 @@
+export const FONT_FAMILIES = [
+  {
+    key: 'MODERN_SANS',
+    label: 'Modern sans',
+    value: '"Helvetica Neue", "Arial Nova", "Nimbus Sans", Arial, sans-serif',
+  },
+  {
+    key: 'BOOK_SANS',
+    label: 'Book sans',
+    value: 'Optima, Candara, "Noto Sans", source-sans-pro, sans-serif',
+  },
+  {
+    key: 'ORGANIC_SANS',
+    label: 'Organic sans',
+    value: 'Seravek, "Gill Sans Nova", Ubuntu, Calibri, "DejaVu Sans", source-sans-pro, sans-serif',
+  },
+  {
+    key: 'GEOMETRIC_SANS',
+    label: 'Geometric sans',
+    value: 'Avenir, "Avenir Next LT Pro", Montserrat, Corbel, "URW Gothic", source-sans-pro, sans-serif',
+  },
+  {
+    key: 'HEAVY_SANS',
+    label: 'Heavy sans',
+    value:
+      'Bahnschrift, "DIN Alternate", "Franklin Gothic Medium", "Nimbus Sans Narrow", sans-serif-condensed, sans-serif',
+  },
+  {
+    key: 'ROUNDED_SANS',
+    label: 'Rounded sans',
+    value:
+      'ui-rounded, "Hiragino Maru Gothic ProN", Quicksand, Comfortaa, Manjari, "Arial Rounded MT Bold", Calibri, source-sans-pro, sans-serif',
+  },
+  {
+    key: 'MODERN_SERIF',
+    label: 'Modern serif',
+    value: 'Charter, "Bitstream Charter", "Sitka Text", Cambria, serif',
+  },
+  {
+    key: 'BOOK_SERIF',
+    label: 'Book serif',
+    value: '"Iowan Old Style", "Palatino Linotype", "URW Palladio L", P052, serif',
+  },
+  {
+    key: 'MONOSPACE',
+    label: 'Monospace',
+    value: '"Nimbus Mono PS", "Courier New", "Cutive Mono", monospace',
+  },
+];
+
+export const FONT_FAMILY_NAMES = [
+  'MODERN_SANS',
+  'BOOK_SANS',
+  'ORGANIC_SANS',
+  'GEOMETRIC_SANS',
+  'HEAVY_SANS',
+  'ROUNDED_SANS',
+  'MODERN_SERIF',
+  'BOOK_SERIF',
+  'MONOSPACE',
+] as const;
@@ -0,0 +1,28 @@
+import { z } from 'zod';
+
+import { FONT_FAMILY_NAMES } from './fontFamily';
+
+export function zColor() {
+  return z.string().regex(/^#[0-9a-fA-F]{6}$/);
+}
+
+export function zFontFamily() {
+  return z.enum(FONT_FAMILY_NAMES);
+}
+
+export function zFontWeight() {
+  return z.enum(['bold', 'normal']);
+}
+
+export function zTextAlign() {
+  return z.enum(['left', 'center', 'right']);
+}
+
+export function zPadding() {
+  return z.object({
+    top: z.number(),
+    bottom: z.number(),
+    right: z.number(),
+    left: z.number(),
+  });
+}
@@ -0,0 +1,29 @@
+import React, { createContext, useContext } from 'react';
+
+import { EditorBlock as CoreEditorBlock } from './core';
+import { useDocument } from './EditorContext';
+
+const EditorBlockContext = createContext<string | null>(null);
+export const useCurrentBlockId = () => useContext(EditorBlockContext)!;
+
+type EditorBlockProps = {
+  id: string;
+};
+
+/**
+ *
+ * @param id - Block id
+ * @returns EditorBlock component that loads data from the EditorDocumentContext
+ */
+export default function EditorBlock({ id }: EditorBlockProps) {
+  const document = useDocument();
+  const block = document[id];
+  if (!block) {
+    throw new Error('Could not find block');
+  }
+  return (
+    <EditorBlockContext.Provider value={id}>
+      <CoreEditorBlock {...block} />
+    </EditorBlockContext.Provider>
+  );
+}
@@ -0,0 +1,114 @@
+import { create } from 'zustand';
+import { subscribeWithSelector } from 'zustand/middleware';
+
+import getConfiguration from '../../getConfiguration';
+
+import { TEditorConfiguration } from './core';
+
+type TValue = {
+  document: TEditorConfiguration;
+
+  selectedBlockId: string | null;
+  selectedSidebarTab: 'block-configuration' | 'styles';
+  selectedMainTab: 'editor' | 'preview' | 'json' | 'html';
+  selectedScreenSize: 'desktop' | 'mobile';
+
+  inspectorDrawerOpen: boolean;
+  samplesDrawerOpen: boolean;
+};
+
+const editorStateStore = create(subscribeWithSelector<TValue>(() => ({
+  document: getConfiguration(window.location.hash),
+  selectedBlockId: null,
+  selectedSidebarTab: 'styles',
+  selectedMainTab: 'editor',
+  selectedScreenSize: 'desktop',
+
+  inspectorDrawerOpen: true,
+  samplesDrawerOpen: true,
+})));
+
+export function useDocument() {
+  return editorStateStore((s) => s.document);
+}
+
+export function subscribeDocument (listener: (selectedState: TEditorConfiguration, previousSelectedState: TEditorConfiguration) => void) {
+  editorStateStore.subscribe((state) => state.document, listener)
+}
+
+export function useSelectedBlockId() {
+  return editorStateStore((s) => s.selectedBlockId);
+}
+
+export function useSelectedScreenSize() {
+  return editorStateStore((s) => s.selectedScreenSize);
+}
+
+export function useSelectedMainTab() {
+  return editorStateStore((s) => s.selectedMainTab);
+}
+
+export function setSelectedMainTab(selectedMainTab: TValue['selectedMainTab']) {
+  return editorStateStore.setState({ selectedMainTab });
+}
+
+export function useSelectedSidebarTab() {
+  return editorStateStore((s) => s.selectedSidebarTab);
+}
+
+export function useInspectorDrawerOpen() {
+  return editorStateStore((s) => s.inspectorDrawerOpen);
+}
+
+export function useSamplesDrawerOpen() {
+  return editorStateStore((s) => s.samplesDrawerOpen);
+}
+
+export function setSelectedBlockId(selectedBlockId: TValue['selectedBlockId']) {
+  const selectedSidebarTab = selectedBlockId === null ? 'styles' : 'block-configuration';
+  const options: Partial<TValue> = {};
+  if (selectedBlockId !== null) {
+    options.inspectorDrawerOpen = true;
+  }
+  return editorStateStore.setState({
+    selectedBlockId,
+    selectedSidebarTab,
+    ...options,
+  });
+}
+
+export function setSidebarTab(selectedSidebarTab: TValue['selectedSidebarTab']) {
+  return editorStateStore.setState({ selectedSidebarTab });
+}
+
+export function resetDocument(document: TValue['document']) {
+  return editorStateStore.setState({
+    document,
+    selectedSidebarTab: 'styles',
+    selectedBlockId: null,
+  });
+}
+
+export function setDocument(document: TValue['document']) {
+  const originalDocument = editorStateStore.getState().document;
+  return editorStateStore.setState({
+    document: {
+      ...originalDocument,
+      ...document,
+    },
+  });
+}
+
+export function toggleInspectorDrawerOpen() {
+  const inspectorDrawerOpen = !editorStateStore.getState().inspectorDrawerOpen;
+  return editorStateStore.setState({ inspectorDrawerOpen });
+}
+
+export function toggleSamplesDrawerOpen() {
+  const samplesDrawerOpen = !editorStateStore.getState().samplesDrawerOpen;
+  return editorStateStore.setState({ samplesDrawerOpen });
+}
+
+export function setSelectedScreenSize(selectedScreenSize: TValue['selectedScreenSize']) {
+  return editorStateStore.setState({ selectedScreenSize });
+}
@@ -0,0 +1,143 @@
+import React from 'react';
+import { z } from 'zod';
+
+import { Avatar, AvatarPropsSchema } from '@usewaypoint/block-avatar';
+import { Button, ButtonPropsSchema } from '@usewaypoint/block-button';
+import { Divider, DividerPropsSchema } from '@usewaypoint/block-divider';
+import { Heading, HeadingPropsSchema } from '@usewaypoint/block-heading';
+import { Html, HtmlPropsSchema } from '@usewaypoint/block-html';
+import { Image, ImagePropsSchema } from '@usewaypoint/block-image';
+import { Spacer, SpacerPropsSchema } from '@usewaypoint/block-spacer';
+import { Text, TextPropsSchema } from '@usewaypoint/block-text';
+import {
+  buildBlockComponent,
+  buildBlockConfigurationDictionary,
+  buildBlockConfigurationSchema,
+} from '@usewaypoint/document-core';
+
+import ColumnsContainerEditor from '../blocks/ColumnsContainer/ColumnsContainerEditor';
+import ColumnsContainerPropsSchema from '../blocks/ColumnsContainer/ColumnsContainerPropsSchema';
+import ContainerEditor from '../blocks/Container/ContainerEditor';
+import ContainerPropsSchema from '../blocks/Container/ContainerPropsSchema';
+import EmailLayoutEditor from '../blocks/EmailLayout/EmailLayoutEditor';
+import EmailLayoutPropsSchema from '../blocks/EmailLayout/EmailLayoutPropsSchema';
+import EditorBlockWrapper from '../blocks/helpers/block-wrappers/EditorBlockWrapper';
+
+// Adds an opt-in `embed` flag to the upstream Image props. The renderer
+// (frontend/email-builder/src/utils.tsx) re-tags marked <img>s with
+// `data-embed` and the backend resolves the src filename to a media item.
+export const ImgPropsSchema = ImagePropsSchema.extend({
+  props: z.object({
+    width: z.number().nullable().optional(),
+    height: z.number().nullable().optional(),
+    url: z.string().nullable().optional(),
+    alt: z.string().nullable().optional(),
+    linkHref: z.string().nullable().optional(),
+    contentAlignment: z.enum(['top', 'middle', 'bottom']).nullable().optional(),
+    embed: z.boolean().nullable().optional(),
+  }).nullable().optional(),
+});
+export type EagleCastImageProps = z.infer<typeof ImgPropsSchema>;
+
+const EDITOR_DICTIONARY = buildBlockConfigurationDictionary({
+  Avatar: {
+    schema: AvatarPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Avatar {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Button: {
+    schema: ButtonPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Button {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Container: {
+    schema: ContainerPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <ContainerEditor {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  ColumnsContainer: {
+    schema: ColumnsContainerPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <ColumnsContainerEditor {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Heading: {
+    schema: HeadingPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Heading {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Html: {
+    schema: HtmlPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Html {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Image: {
+    schema: ImgPropsSchema,
+    Component: (data) => {
+      const props = {
+        ...data,
+        props: {
+          ...data.props,
+          url: data.props?.url ?? 'https://placehold.co/600x400@2x/F8F8F8/CCC?text=Your%20image',
+        },
+      };
+      return (
+        <EditorBlockWrapper>
+          <Image {...props} />
+        </EditorBlockWrapper>
+      );
+    },
+  },
+  Text: {
+    schema: TextPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Text {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  EmailLayout: {
+    schema: EmailLayoutPropsSchema,
+    Component: (p) => <EmailLayoutEditor {...p} />,
+  },
+  Spacer: {
+    schema: SpacerPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Spacer {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+  Divider: {
+    schema: DividerPropsSchema,
+    Component: (props) => (
+      <EditorBlockWrapper>
+        <Divider {...props} />
+      </EditorBlockWrapper>
+    ),
+  },
+});
+
+export const EditorBlock = buildBlockComponent(EDITOR_DICTIONARY);
+export const EditorBlockSchema = buildBlockConfigurationSchema(EDITOR_DICTIONARY);
+export const EditorConfigurationSchema = z.record(z.string(), EditorBlockSchema);
+
+export type TEditorBlock = z.infer<typeof EditorBlockSchema>;
+export type TEditorConfiguration = Record<string, TEditorBlock>;
@@ -0,0 +1,15 @@
+import EMPTY_EMAIL_MESSAGE from './sample/empty-email-message';
+
+export default function getConfiguration(template: string) {
+  if (template.startsWith('#code/')) {
+    const encodedString = template.replace('#code/', '');
+    const configurationString = decodeURIComponent(atob(encodedString));
+    try {
+      return JSON.parse(configurationString);
+    } catch {
+      console.error(`Couldn't load configuration from hash.`);
+    }
+  }
+
+  return EMPTY_EMAIL_MESSAGE;
+}
@@ -0,0 +1,16 @@
+import { TEditorConfiguration } from '../../documents/editor/core';
+
+const EMPTY_EMAIL_MESSAGE: TEditorConfiguration = {
+  root: {
+    type: 'EmailLayout',
+    data: {
+      backdropColor: '#F5F5F5',
+      canvasColor: '#FFFFFF',
+      textColor: '#262626',
+      fontFamily: 'MODERN_SANS',
+      childrenIds: [],
+    },
+  },
+};
+
+export default EMPTY_EMAIL_MESSAGE;
@@ -0,0 +1,34 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App, { AppProps, DEFAULT_SOURCE } from './App';
+import { setDocument, resetDocument } from './documents/editor/EditorContext';
+
+import { CssBaseline, ThemeProvider } from '@mui/material';
+import theme from './theme';
+
+function isRendered(containerId: string): boolean {
+  const container = document.getElementById(containerId);
+  if (!container) {
+    console.error(`Container with id ${containerId} not found`);
+    return false;
+  }
+  return container.hasChildNodes();
+}
+
+function render(containerId: string, props: AppProps, force: boolean = false) {
+  if (!isRendered(containerId) || force) {
+    const container = document.getElementById(containerId);
+    if (!container) return;
+
+    ReactDOM.createRoot(container).render(
+      <React.StrictMode>
+        <ThemeProvider theme={theme}>
+          <CssBaseline />
+          <App {...props} />
+        </ThemeProvider>
+      </React.StrictMode>
+    );
+  }
+}
+
+export { App, setDocument, resetDocument, render, isRendered, DEFAULT_SOURCE };
@@ -0,0 +1,402 @@
+type TStyleMap = Record<string, string>;
+type TPaddingValues = {
+  top: number;
+  right: number;
+  bottom: number;
+  left: number;
+};
+
+const PRESENTATION_TABLE_STYLE = 'border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;';
+
+function appendMissingStyles(style: string | null, declarations: Array<[string, string]>) {
+  const current = (style || '').trim();
+  const lower = current.toLowerCase();
+  const missing = declarations
+    .filter(([property]) => !lower.includes(`${property.toLowerCase()}:`))
+    .map(([property, value]) => `${property}:${value}`);
+
+  if (missing.length === 0) {
+    return current;
+  }
+
+  return [current.replace(/;+\s*$/, ''), ...missing]
+    .filter(Boolean)
+    .join(';');
+}
+
+function setStyleValues(style: string | null, declarations: Array<[string, string | null]>) {
+  const styleMap = parseStyleMap(style);
+
+  declarations.forEach(([property, value]) => {
+    const key = property.toLowerCase();
+    if (value === null || value === '') {
+      delete styleMap[key];
+      return;
+    }
+
+    styleMap[key] = value;
+  });
+
+  return Object.entries(styleMap)
+    .map(([property, value]) => `${property}:${value}`)
+    .join(';');
+}
+
+function parseStyleMap(style: string | null) {
+  return (style || '')
+    .split(';')
+    .map((entry) => entry.trim())
+    .filter(Boolean)
+    .reduce<TStyleMap>((acc, entry) => {
+      const separator = entry.indexOf(':');
+      if (separator === -1) {
+        return acc;
+      }
+
+      const property = entry.slice(0, separator).trim().toLowerCase();
+      const value = entry.slice(separator + 1).trim();
+      if (property) {
+        acc[property] = value;
+      }
+      return acc;
+    }, {});
+}
+
+function getPixelValue(value?: string) {
+  if (!value) {
+    return null;
+  }
+
+  const match = value.trim().match(/^(-?\d+(?:\.\d+)?)px$/i);
+  if (!match) {
+    return null;
+  }
+
+  return Math.round(Number(match[1]));
+}
+
+function getPixelWidthFromImage(img: HTMLImageElement) {
+  const attrWidth = img.getAttribute('width');
+  if (attrWidth && /^\d+$/.test(attrWidth)) {
+    return attrWidth;
+  }
+
+  const style = img.getAttribute('style') || '';
+  const widthMatch = style.match(/(?:^|;)\s*width\s*:\s*(\d+)px(?:;|$)/i);
+  if (widthMatch) {
+    return widthMatch[1];
+  }
+
+  const maxWidthMatch = style.match(/(?:^|;)\s*max-width\s*:\s*(\d+)px(?:;|$)/i);
+  if (maxWidthMatch) {
+    return maxWidthMatch[1];
+  }
+
+  return null;
+}
+
+function getPaddingValues(styleMap: TStyleMap): TPaddingValues {
+  const shorthand = styleMap.padding?.trim().split(/\s+/) || [];
+
+  const [
+    topFromShorthand,
+    rightFromShorthand = topFromShorthand,
+    bottomFromShorthand = topFromShorthand,
+    leftFromShorthand = rightFromShorthand,
+  ] = shorthand;
+
+  return {
+    top: getPixelValue(styleMap['padding-top'] || topFromShorthand) || 0,
+    right: getPixelValue(styleMap['padding-right'] || rightFromShorthand) || 0,
+    bottom: getPixelValue(styleMap['padding-bottom'] || bottomFromShorthand) || 0,
+    left: getPixelValue(styleMap['padding-left'] || leftFromShorthand) || 0,
+  };
+}
+
+function escapeHtml(value: string) {
+  return value
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;');
+}
+
+function escapeAttribute(value: string) {
+  return escapeHtml(value).replace(/"/g, '&quot;');
+}
+
+function createFragmentFromHtml(node: Element, html: string) {
+  const range = node.ownerDocument.createRange();
+  range.selectNode(node);
+  return range.createContextualFragment(html);
+}
+
+function replaceNodeWithHtml(node: Element, html: string) {
+  node.replaceWith(createFragmentFromHtml(node, html));
+}
+
+function escapeTemplateString(value: string) {
+  return value
+    .replace(/\\/g, '\\\\')
+    .replace(/"/g, '\\"');
+}
+
+function makeSafeTemplate(raw: string) {
+  // Encode angle brackets so DOMParser does not consume Outlook conditional comments
+  // before the Go template expression is evaluated.
+  const escaped = escapeTemplateString(raw)
+    .replace(/</g, '\\x3c')
+    .replace(/>/g, '\\x3e');
+
+  return `{{ Safe "${escaped}" }}`;
+}
+
+function getWrapperOptions(style: string | null) {
+  const styleValue = style || '';
+  const styleMap = parseStyleMap(styleValue);
+  const align = styleMap['text-align'] || 'left';
+  const backgroundColor = styleMap['background-color'];
+  const bgcolorAttr = backgroundColor ? ` bgcolor="${escapeAttribute(backgroundColor)}"` : '';
+
+  return { styleValue, styleMap, align, bgcolorAttr };
+}
+
+function buildPresentationTable(contents: string, width: string = '100%') {
+  const widthAttr = width && width !== 'auto' ? ` width="${escapeAttribute(width)}"` : '';
+
+  return `<table role="presentation"${widthAttr} cellpadding="0" cellspacing="0" border="0" style="${PRESENTATION_TABLE_STYLE}">${contents}</table>`;
+}
+
+function hasSingleChildMatching(div: HTMLDivElement, predicate: (child: Element) => boolean) {
+  const children = Array.from(div.children);
+  return children.length === 1 && predicate(children[0]);
+}
+
+function addTableDefaults(doc: Document) {
+  doc.querySelectorAll('table[role="presentation"]').forEach((table) => {
+    if (!table.getAttribute('cellpadding')) {
+      table.setAttribute('cellpadding', '0');
+    }
+    if (!table.getAttribute('cellspacing')) {
+      table.setAttribute('cellspacing', '0');
+    }
+    if (!table.getAttribute('border')) {
+      table.setAttribute('border', '0');
+    }
+
+    table.setAttribute(
+      'style',
+      appendMissingStyles(table.getAttribute('style'), [
+        ['border-collapse', 'collapse'],
+        ['mso-table-lspace', '0pt'],
+        ['mso-table-rspace', '0pt'],
+      ])
+    );
+  });
+}
+
+function isStandaloneImage(img: HTMLImageElement) {
+  const parent = img.parentElement;
+  if (!parent) {
+    return false;
+  }
+
+  if (parent.tagName === 'DIV') {
+    return hasSingleChildMatching(parent as HTMLDivElement, (child) => child.tagName === 'IMG');
+  }
+
+  if (parent.tagName === 'A' && parent.children.length === 1) {
+    const grandparent = parent.parentElement;
+    return grandparent?.tagName === 'DIV'
+      && hasSingleChildMatching(grandparent as HTMLDivElement, (child) => child.tagName === 'A');
+  }
+
+  return false;
+}
+
+function hardenImages(doc: Document) {
+  doc.querySelectorAll('img').forEach((img) => {
+    img.setAttribute('border', '0');
+
+    const width = getPixelWidthFromImage(img);
+    if (width && !img.getAttribute('width')) {
+      img.setAttribute('width', width);
+    }
+
+    const standaloneImage = isStandaloneImage(img);
+    const declarations: Array<[string, string | null]> = [
+      ['border', '0'],
+      ['outline', 'none'],
+      ['text-decoration', 'none'],
+      ['height', 'auto'],
+      ['-ms-interpolation-mode', 'bicubic'],
+    ];
+
+    if (standaloneImage) {
+      declarations.unshift(['display', 'block']);
+      declarations.push(['vertical-align', null]);
+    }
+
+    img.setAttribute('style', setStyleValues(img.getAttribute('style'), declarations));
+
+    const parent = img.parentElement;
+    if (standaloneImage && parent?.tagName === 'A') {
+      parent.setAttribute('style', setStyleValues(parent.getAttribute('style'), [
+        ['display', 'inline-block'],
+        ['border', '0'],
+        ['text-decoration', 'none'],
+      ]));
+    }
+  });
+}
+
+function transformImageBlocks(doc: Document) {
+  const wrappers = Array.from(doc.querySelectorAll('div')).filter((div) => hasSingleChildMatching(div as HTMLDivElement, (child) => {
+    if (child.tagName === 'IMG') {
+      return true;
+    }
+
+    return child.tagName === 'A' && child.children.length === 1 && child.querySelector('img') !== null;
+  })) as HTMLDivElement[];
+
+  wrappers.forEach((div) => {
+    const { styleValue, align, bgcolorAttr } = getWrapperOptions(div.getAttribute('style'));
+    const content = div.innerHTML;
+
+    const innerTable = buildPresentationTable(`<tbody><tr><td align="${escapeAttribute(align)}">${content}</td></tr></tbody>`, 'auto');
+    const html = buildPresentationTable(
+      `<tbody><tr><td align="${escapeAttribute(align)}"${bgcolorAttr} style="${escapeAttribute(styleValue)}">${innerTable}</td></tr></tbody>`
+    );
+
+    replaceNodeWithHtml(div, html);
+  });
+}
+
+function transformSimpleDivBlocks(doc: Document) {
+  const wrappers = Array.from(doc.querySelectorAll('div')).filter((div) => {
+    const { styleMap } = getWrapperOptions(div.getAttribute('style'));
+
+    if (!styleMap.padding && !styleMap.height) {
+      return false;
+    }
+
+    if (div.children.length > 0) {
+      const firstChild = div.children[0];
+      if (firstChild.tagName === 'A' || firstChild.tagName === 'IMG' || firstChild.tagName === 'TABLE') {
+        return false;
+      }
+    }
+
+    if (styleMap['min-height'] && styleMap.width === '100%') {
+      return false;
+    }
+
+    return true;
+  }) as HTMLDivElement[];
+
+  wrappers.forEach((div) => {
+    const { styleValue, styleMap, align, bgcolorAttr } = getWrapperOptions(div.getAttribute('style'));
+    const height = getPixelValue(styleMap.height);
+    const isSpacer = div.children.length === 0 && (div.textContent || '').trim() === '' && height !== null;
+
+    if (isSpacer) {
+      const spacerHtml = buildPresentationTable(
+        `<tbody><tr><td${bgcolorAttr} height="${height}" style="${escapeAttribute(styleValue)};line-height:${height}px;font-size:${height}px;">&nbsp;</td></tr></tbody>`
+      );
+
+      replaceNodeWithHtml(div, spacerHtml);
+      return;
+    }
+
+    const blockHtml = buildPresentationTable(
+      `<tbody><tr><td align="${escapeAttribute(align)}"${bgcolorAttr} style="${escapeAttribute(styleValue)}">${div.innerHTML}</td></tr></tbody>`
+    );
+
+    replaceNodeWithHtml(div, blockHtml);
+  });
+}
+
+function buildBulletproofButton(anchor: HTMLAnchorElement, wrapperStyle: string) {
+  const anchorStyleMap = parseStyleMap(anchor.getAttribute('style'));
+  const wrapperStyleMap = parseStyleMap(wrapperStyle);
+  const text = anchor.textContent?.replace(/\s+/g, ' ').trim() || '';
+  const href = anchor.getAttribute('href') || '#';
+  const target = anchor.getAttribute('target');
+  const align = wrapperStyleMap['text-align'] || 'left';
+  const buttonColor = anchorStyleMap['background-color'] || '#1b3a5b';
+  const textColor = anchorStyleMap.color || '#ffffff';
+  const fontSize = getPixelValue(anchorStyleMap['font-size']) || 16;
+  const fontWeight = anchorStyleMap['font-weight'] || 'bold';
+  const fontFamily = anchorStyleMap['font-family'] || 'Arial, sans-serif';
+  const borderRadius = getPixelValue(anchorStyleMap['border-radius']) || 0;
+  const paddingValues = getPaddingValues(anchorStyleMap);
+  const lineHeight = getPixelValue(anchorStyleMap['line-height']) || Math.round(fontSize * 1.2);
+  const display = (anchorStyleMap.display || '').toLowerCase();
+  const fullWidth = display === 'block' || anchorStyleMap.width === '100%';
+
+  const targetAttr = target ? ` target="${escapeAttribute(target)}"` : '';
+
+  if (fullWidth) {
+    const anchorStyle = setStyleValues(anchor.getAttribute('style'), [
+      ['display', 'block'],
+      ['text-align', 'center'],
+      ['border', '1px solid ' + buttonColor],
+    ]);
+
+    return [
+      buildPresentationTable(
+        `<tbody><tr><td align="${escapeAttribute(align)}" style="${escapeAttribute(wrapperStyle)}">${buildPresentationTable(
+          `<tbody><tr><td bgcolor="${escapeAttribute(buttonColor)}" style="background-color:${escapeAttribute(buttonColor)};border-radius:${borderRadius}px;"><a href="${escapeAttribute(href)}"${targetAttr} style="${escapeAttribute(anchorStyle)}">${escapeHtml(text)}</a></td></tr></tbody>`
+        )}</td></tr></tbody>`
+      ),
+    ].join('');
+  }
+
+  const estimatedTextWidth = Math.max(1, Math.round(text.length * fontSize * (fontWeight.toLowerCase() === 'bold' ? 0.68 : 0.62)));
+  const estimatedWidth = Math.max(40, estimatedTextWidth + paddingValues.left + paddingValues.right);
+  const estimatedHeight = Math.max(lineHeight + paddingValues.top + paddingValues.bottom, 32);
+  const arcsize = Math.max(0, Math.min(50, Math.round((borderRadius / estimatedHeight) * 100)));
+  const cleanAnchorStyle = anchor.getAttribute('style') || '';
+  const msoStart = makeSafeTemplate('<!--[if mso]>');
+  const msoEnd = makeSafeTemplate('<![endif]-->');
+  const vml = `<v:roundrect xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="urn:schemas-microsoft-com:office:word" href="${escapeAttribute(href)}" style="height:${estimatedHeight}px;v-text-anchor:middle;width:${estimatedWidth}px;" arcsize="${arcsize}%" strokecolor="${escapeAttribute(buttonColor)}" fillcolor="${escapeAttribute(buttonColor)}"><w:anchorlock/><center style="color:${escapeAttribute(textColor)};font-family:${escapeAttribute(fontFamily)};font-size:${fontSize}px;font-weight:${escapeAttribute(fontWeight)};">${escapeHtml(text)}</center></v:roundrect>`;
+  const nonMsoStart = makeSafeTemplate('<!--[if !mso]><!-->');
+  const nonMsoEnd = makeSafeTemplate('<!--<![endif]-->');
+
+  return buildPresentationTable(
+    `<tbody><tr><td align="${escapeAttribute(align)}" style="${escapeAttribute(wrapperStyle)}">${msoStart}${vml}${msoEnd}${nonMsoStart}<a href="${escapeAttribute(href)}"${targetAttr} style="${escapeAttribute(cleanAnchorStyle)}">${escapeHtml(text)}</a>${nonMsoEnd}</td></tr></tbody>`
+  );
+}
+
+function transformButtonBlocks(doc: Document) {
+  const wrappers = Array.from(doc.querySelectorAll('div')).filter((div) => hasSingleChildMatching(div as HTMLDivElement, (child) => {
+    if (child.tagName !== 'A' || child.querySelector('img')) {
+      return false;
+    }
+
+    const styleMap = parseStyleMap((child as HTMLAnchorElement).getAttribute('style'));
+    return Boolean(styleMap['background-color'] && styleMap.padding);
+  })) as HTMLDivElement[];
+
+  wrappers.forEach((div) => {
+    const anchor = div.children[0] as HTMLAnchorElement;
+    replaceNodeWithHtml(div, buildBulletproofButton(anchor, div.getAttribute('style') || ''));
+  });
+}
+
+export function postProcessForOutlook(html: string) {
+  if (typeof DOMParser === 'undefined') {
+    return html;
+  }
+
+  const doc = new DOMParser().parseFromString(html, 'text/html');
+
+  addTableDefaults(doc);
+  hardenImages(doc);
+  transformButtonBlocks(doc);
+  transformImageBlocks(doc);
+  transformSimpleDivBlocks(doc);
+  addTableDefaults(doc);
+  hardenImages(doc);
+
+  return `<!doctype html>\n${doc.documentElement.outerHTML}`;
+}
@@ -0,0 +1,520 @@
+import {
+  alpha, createTheme, darken, lighten,
+} from '@mui/material/styles';
+
+const BRAND_NAVY = '#212443';
+const BRAND_BLUE = '#0079CC';
+const BRAND_GREEN = '#1F8466';
+const BRAND_RED = '#E81212';
+const BRAND_YELLOW = '#F6DC9F';
+const BRAND_PURPLE = '#6C0E7C';
+const BRAND_BROWN = '#CC996C';
+const STANDARD_FONT_FAMILY = 'sans-serif, "Segoe UI", Roboto, Helvetica, Arial';
+const MONOSPACE_FONT_FAMILY = 'monospace, Menlo, Monaco, "Segoe UI Mono", "Roboto Mono"';
+
+const BASE_THEME = createTheme({
+  palette: {
+    background: {
+      default: '#f2f5f7',
+    },
+    text: {
+      primary: '#1F1F21',
+      secondary: '#4F4F4F',
+    },
+  },
+  typography: {
+    fontFamily: STANDARD_FONT_FAMILY,
+  },
+});
+
+const THEME = createTheme(BASE_THEME, {
+  palette: {
+    brand: {
+      navy: BRAND_NAVY,
+      blue: BRAND_BLUE,
+      red: BRAND_RED,
+      green: BRAND_GREEN,
+      yellow: BRAND_YELLOW,
+      purple: BRAND_PURPLE,
+      brown: BRAND_BROWN,
+    },
+    success: {
+      main: BRAND_GREEN,
+      light: lighten(BRAND_GREEN, 0.15),
+      dark: darken(BRAND_GREEN, 0.15),
+    },
+    error: {
+      main: BRAND_RED,
+      light: lighten(BRAND_RED, 0.15),
+      dark: darken(BRAND_RED, 0.15),
+    },
+    cadet: {
+      100: '#F9FAFB',
+      200: '#F2F5F7',
+      300: '#DCE4EA',
+      400: '#A8BBCA',
+      500: '#6A8BA4',
+    },
+    highlight: {
+      100: lighten(BRAND_YELLOW, 0.8),
+      200: lighten(BRAND_YELLOW, 0.6),
+      300: lighten(BRAND_YELLOW, 0.4),
+      400: lighten(BRAND_YELLOW, 0.2),
+      500: BRAND_YELLOW,
+    },
+    info: {
+      main: BRAND_BLUE,
+    },
+    primary: {
+      main: BRAND_BLUE,
+    },
+  },
+  components: {
+    MuiCssBaseline: {
+      styleOverrides: `
+        address {
+          font-style: normal;
+        }
+        fieldset {
+          border: none;
+          padding: 0;
+        }
+        pre {
+          font-family: ${MONOSPACE_FONT_FAMILY}
+          white-space: pre-wrap;
+          font-size: 12px;
+        }
+      `,
+    },
+    MuiAlert: {
+      styleOverrides: {
+        root: {
+          fontSize: BASE_THEME.typography.pxToRem(14),
+        },
+        action: {
+          paddingTop: 0,
+          marginRight: 0,
+        },
+        filledSuccess: {
+          backgroundColor: BRAND_GREEN,
+        },
+      },
+    },
+    MuiStepLabel: {
+      styleOverrides: {
+        label: {
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+        },
+      },
+    },
+    MuiDialog: {
+      defaultProps: {
+        fullWidth: true,
+      },
+    },
+    MuiDialogContent: {
+      styleOverrides: {
+        root: {
+          paddingTop: BASE_THEME.spacing(1),
+          paddingBottom: BASE_THEME.spacing(2),
+        },
+      },
+    },
+    MuiDialogTitle: {
+      defaultProps: {
+        variant: 'h4',
+      },
+      styleOverrides: {
+        root: {
+          paddingTop: BASE_THEME.spacing(3),
+          paddingBottom: BASE_THEME.spacing(1),
+        },
+      },
+    },
+    MuiDialogActions: {
+      styleOverrides: {
+        root: {
+          borderTop: '1px solid',
+          borderTopColor: BASE_THEME.palette.divider,
+          marginTop: BASE_THEME.spacing(2.5),
+          padding: `${BASE_THEME.spacing(1.5)} ${BASE_THEME.spacing(3)}`,
+        },
+      },
+    },
+    MuiTableCell: {
+      styleOverrides: {
+        root: {
+          ...BASE_THEME.typography.body2,
+          borderColor: BASE_THEME.palette.grey[200],
+        },
+        head: {
+          ...BASE_THEME.typography.overline,
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+          letterSpacing: '0.075em',
+          color: BASE_THEME.palette.text.secondary,
+        },
+      },
+    },
+    MuiTableRow: {
+      styleOverrides: {
+        root: {
+          '&:last-child td': {
+            borderBottom: 0,
+          },
+        },
+      },
+    },
+    MuiAvatar: {
+      styleOverrides: {
+        root: {
+          textTransform: 'uppercase',
+          fontSize: BASE_THEME.typography.pxToRem(14),
+        },
+      },
+    },
+    MuiChip: {
+      styleOverrides: {
+        root: {
+          '&.MuiChip-filledError, &.MuiChip-filledSuccess': {
+            fill: BASE_THEME.palette.primary.contrastText,
+          },
+        },
+        sizeSmall: {
+          borderRadius: BASE_THEME.spacing(0.5),
+          fontSize: 12,
+        },
+        iconSmall: {
+          fontSize: 14,
+          marginLeft: BASE_THEME.spacing(1),
+        },
+        colorSecondary: {
+          borderColor: BASE_THEME.palette.grey[400],
+          color: BASE_THEME.palette.text.secondary,
+        },
+        label: {
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+        },
+      },
+    },
+    MuiDrawer: {
+      defaultProps: {
+        PaperProps: {
+          elevation: 2,
+        },
+      },
+    },
+    MuiTooltip: {
+      styleOverrides: {
+        tooltip: {
+          fontSize: BASE_THEME.typography.pxToRem(12),
+          backgroundColor: alpha(BASE_THEME.palette.text.primary, 0.9),
+        },
+      },
+    },
+    MuiSlider: {
+      styleOverrides: {
+        root: {
+          height: 1,
+        },
+        track: {
+          height: 1,
+          border: 'none',
+        },
+        rail: {
+          height: 1,
+          backgroundColor: BASE_THEME.palette.grey[500],
+        },
+        mark: {
+          backgroundColor: BASE_THEME.palette.grey[500],
+        },
+        markActive: {
+          height: 0,
+        },
+        thumb: {
+          height: 16,
+          width: 16,
+          cursor: 'col-resize',
+          '&:hover, &.Mui-active, &.Mui-focusVisible': {
+            boxShadow: `0 0 0 4px ${alpha(BRAND_BLUE, 0.2)}`,
+          },
+          '&:before': {
+            display: 'none',
+          },
+        },
+      },
+    },
+    MuiPaper: {
+      defaultProps: {
+        elevation: 2,
+        square: true,
+      },
+    },
+    MuiButtonBase: {
+      defaultProps: {
+        disableTouchRipple: true,
+        focusRipple: true,
+      },
+      styleOverrides: {
+        root: {
+          '&.MuiButton-containedSecondary.Mui-disabled': {
+            backgroundColor: BASE_THEME.palette.grey[100],
+          },
+        },
+      },
+    },
+    MuiButtonGroup: {
+      defaultProps: {
+        disableElevation: true,
+      },
+    },
+    MuiIconButton: {
+      styleOverrides: {
+        edgeStart: {
+          marginLeft: BASE_THEME.spacing(-1),
+        },
+        colorSecondary: {
+          color: BASE_THEME.palette.grey[500],
+        },
+      },
+    },
+    MuiButton: {
+      defaultProps: {
+        disableElevation: true,
+      },
+      styleOverrides: {
+        textPrimary: {
+          color: BASE_THEME.palette.text.primary,
+        },
+        textSecondary: {
+          color: BASE_THEME.palette.text.secondary,
+        },
+        outlinedPrimary: {
+          borderColor: BASE_THEME.palette.grey[300],
+          color: BASE_THEME.palette.text.primary,
+          '&:hover, &:active, &:focus': {
+            borderColor: BASE_THEME.palette.grey[500],
+            color: BASE_THEME.palette.text.primary,
+          },
+        },
+        containedSecondary: {
+          backgroundColor: BASE_THEME.palette.common.white,
+          border: `1px solid ${BASE_THEME.palette.grey[300]}`,
+          color: BASE_THEME.palette.text.primary,
+          '&:hover, &:active, &:focus': {
+            backgroundColor: BASE_THEME.palette.common.white,
+            borderColor: BASE_THEME.palette.grey[500],
+            color: BASE_THEME.palette.text.primary,
+          },
+        },
+      },
+    },
+    MuiToggleButton: {
+      styleOverrides: {
+        root: {
+          paddingLeft: BASE_THEME.spacing(1.5),
+          paddingRight: BASE_THEME.spacing(1.5),
+        },
+      },
+    },
+    MuiInputBase: {
+      styleOverrides: {
+        root: {
+          '&:not(.Mui-disabled, .Mui-error):before': {
+            borderBottom: `1px solid ${BASE_THEME.palette.grey[400]}`,
+          },
+          '&:hover:not(.Mui-disabled, .Mui-error):before': {
+            borderBottom: `1px solid ${BASE_THEME.palette.grey[500]} !important`,
+          },
+          '&:after': {
+            borderBottom: `1px solid ${BASE_THEME.palette.text.primary} !important`,
+          },
+          '&.MuiOutlinedInput-root:not(.Mui-error)': {
+            '& fieldset': {
+              borderColor: BASE_THEME.palette.grey[300],
+              transition: 'border-color 0.2s',
+            },
+          },
+          '&.MuiOutlinedInput-root:not(.Mui-disabled, .Mui-error)': {
+            '&:hover fieldset': {
+              borderColor: BASE_THEME.palette.grey[400],
+            },
+            '&.Mui-focused fieldset': {
+              borderColor: BASE_THEME.palette.text.secondary,
+              borderWidth: 1,
+            },
+          },
+        },
+        input: {
+          fontSize: BASE_THEME.typography.pxToRem(14),
+          '&.Mui-disabled': {
+            WebkitTextFillColor: 'inherit',
+            color: BASE_THEME.palette.text.secondary,
+          },
+        },
+        inputSizeSmall: {},
+      },
+    },
+    MuiOutlinedInput: {
+      styleOverrides: {
+        notchedOutline: {
+          '& legend': {
+            fontSize: '0.85em',
+            maxWidth: '100%',
+          },
+        },
+      },
+    },
+    MuiInputAdornment: {
+      styleOverrides: {
+        root: {
+          '& .MuiTypography-root': {
+            fontSize: BASE_THEME.typography.pxToRem(14),
+            color: BASE_THEME.palette.text.secondary,
+          },
+        },
+      },
+    },
+    MuiInputLabel: {
+      defaultProps: {
+        shrink: true,
+      },
+      styleOverrides: {
+        shrink: {
+          transform: 'scale(0.85)',
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+          '&.Mui-focused': {
+            color: BASE_THEME.palette.text.primary,
+          },
+          '&.MuiInputLabel-standard': {
+            transform: 'translate(0, -4px) scale(0.85)',
+            color: '#4F4F4F',
+          },
+          '&.MuiInputLabel-outlined': {
+            transform: 'translate(15px, -8px) scale(0.85)',
+          },
+        },
+      },
+    },
+    MuiTabs: {
+      defaultProps: {
+        variant: 'scrollable',
+      },
+      styleOverrides: {
+        indicator: {
+          height: 1,
+          backgroundColor: BASE_THEME.palette.text.primary,
+        },
+      },
+    },
+    MuiTab: {
+      styleOverrides: {
+        root: {
+          textTransform: 'none',
+          minWidth: BASE_THEME.spacing(2),
+          paddingLeft: BASE_THEME.spacing(1.5),
+          paddingRight: BASE_THEME.spacing(1.5),
+          fontSize: BASE_THEME.typography.pxToRem(14),
+          fontFamily: BASE_THEME.typography.fontFamily,
+          lineHeight: 1.5,
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+          transition: 'color 0.2s',
+          '&.Mui-selected': {
+            color: BASE_THEME.palette.text.primary,
+          },
+          '&:hover': {
+            color: BASE_THEME.palette.text.primary,
+          },
+        },
+      },
+    },
+    MuiCard: {
+      styleOverrides: {
+        root: {
+          borderRadius: 0,
+        },
+      },
+    },
+    MuiCardHeader: {
+      styleOverrides: {
+        title: {
+          fontSize: BASE_THEME.typography.pxToRem(18),
+          fontWeight: BASE_THEME.typography.fontWeightMedium,
+        },
+      },
+    },
+  },
+  typography: {
+    fontFamily: BASE_THEME.typography.fontFamily,
+    h1: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(40),
+      lineHeight: 1.2,
+      letterSpacing: '-0.02em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    h2: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(32),
+      lineHeight: 1.2,
+      letterSpacing: '-0.02em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    h3: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(24),
+      lineHeight: 1.5,
+      letterSpacing: '-0.01em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    h4: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(20),
+      lineHeight: 1.5,
+      letterSpacing: '-0.01em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    h5: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(18),
+      lineHeight: 1.5,
+      letterSpacing: '-0.01em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    h6: {
+      fontFamily: BASE_THEME.typography.fontFamily,
+      fontSize: BASE_THEME.typography.pxToRem(16),
+      lineHeight: 1.5,
+      letterSpacing: '-0.005em',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+    },
+    body1: {
+      fontSize: BASE_THEME.typography.pxToRem(14),
+    },
+    body2: {
+      fontSize: BASE_THEME.typography.pxToRem(12),
+    },
+    overline: {
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+      letterSpacing: '0.05em',
+    },
+    button: {
+      textTransform: 'none',
+      fontWeight: BASE_THEME.typography.fontWeightMedium,
+      lineHeight: 1.5,
+    },
+    caption: {
+      letterSpacing: 0,
+      lineHeight: 1.5,
+    },
+  },
+  shadows: [
+    'none',
+    '0px 4px 15px rgba(33, 36, 67, 0.04), 0px 0px 2px rgba(33, 36, 67, 0.04), 0px 0px 1px rgba(33, 36, 67, 0.04)',
+    '0px 10px 20px rgba(33, 36, 67, 0.04), 0px 2px 6px rgba(33, 36, 67, 0.04), 0px 0px 1px rgba(33, 36, 67, 0.04)',
+    '0px 16px 24px rgba(33, 36, 67, 0.05), 0px 2px 6px rgba(33, 36, 67, 0.05), 0px 0px 1px rgba(33, 36, 67, 0.05)',
+    '0px 24px 32px rgba(33, 36, 67, 0.06), 0px 16px 24px rgba(33, 36, 67, 0.06), 0px 4px 8px rgba(33, 36, 67, 0.06)',
+    ...Array(20).fill('none'),
+  ],
+});
+
+export default THEME;
@@ -0,0 +1,82 @@
+import { renderToStaticMarkup } from '@usewaypoint/email-builder';
+import { TEditorConfiguration } from './documents/editor/core';
+import { postProcessForOutlook } from './outlook';
+
+const VIEWPORT_META = '<meta name="viewport" content="width=device-width, initial-scale=1.0">';
+const MSO_DOCUMENT_SETTINGS = '<!--[if mso]><noscript><xml xmlns:o="urn:schemas-microsoft-com:office:office"><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml></noscript><![endif]-->';
+const HTML_ATTRIBUTE_ESCAPES: Record<string, string> = {
+  '&': '&amp;',
+  '"': '&quot;',
+  "'": '&#x27;',
+  '<': '&lt;',
+  '>': '&gt;',
+};
+
+function injectHeadContents(html: string, contents: string) {
+  const headMatch = html.match(/<head\b([^>]*)>/i);
+  if (headMatch) {
+    return html.replace(/<head\b([^>]*)>/i, `<head$1>${contents}`);
+  }
+
+  const htmlMatch = html.match(/<html\b([^>]*)>/i);
+  if (htmlMatch) {
+    return html.replace(/<html\b([^>]*)>/i, `<html$1><head>${contents}</head>`);
+  }
+
+  return `<head>${contents}</head>${html}`;
+}
+
+function collectImageEmbedURLs(document: TEditorConfiguration): string[] {
+  // The upstream renderer strips the custom `embed` prop before rendering, so
+  // collect URLs from blocks marked for embedding and re-tag the matching <img>
+  // with a `data-embed` flag after rendering. The backend resolves the src
+  // filename to a media item at compile time.
+  const embedURLs: string[] = [];
+
+  for (const block of Object.values(document)) {
+    if (!block || (block as { type?: string }).type !== 'Image') {
+      continue;
+    }
+
+    const props = ((block as { data?: { props?: { url?: string; embed?: boolean } } }).data || {}).props || {};
+    if (props.embed && props.url) {
+      embedURLs.push(props.url);
+    }
+  }
+
+  return embedURLs;
+}
+
+function applyImageEmbeds(html: string, embedURLs: string[]): string {
+  let output = html;
+
+  for (const url of embedURLs) {
+    const re = new RegExp(`<img\\b[^>]*?\\ssrc="${escapeRegExp(escapeHtmlAttribute(url))}"[^>]*>`, 'g');
+    output = output.replace(re, (tag) => (
+      /\bdata-embed\b/.test(tag) ? tag : tag.replace(/(\ssrc="[^"]*")/, '$1 data-embed="true"')
+    ));
+  }
+
+  return output;
+}
+
+export function renderHtmlWithMeta(
+  document: TEditorConfiguration,
+  options: { rootBlockId: string; outlook?: boolean }
+): string {
+  const embedURLs = collectImageEmbedURLs(document);
+  const html = renderToStaticMarkup(document, options);
+  const rendered = options.outlook ? postProcessForOutlook(html) : html;
+  const output = applyImageEmbeds(rendered, embedURLs);
+  const head = options.outlook ? `${VIEWPORT_META}${MSO_DOCUMENT_SETTINGS}` : VIEWPORT_META;
+
+  return injectHeadContents(output, head);
+}
+
+function escapeRegExp(s: string): string {
+  return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+}
+
+function escapeHtmlAttribute(s: string): string {
+  return s.replace(/[&"'<>]/g, (ch) => HTML_ATTRIBUTE_ESCAPES[ch]);
+}
@@ -0,0 +1 @@
+/// <reference types="vite/client" />
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "es2015",
+    "module": "esnext",
+    "outDir": "dist",
+    "lib": [],
+    "moduleResolution": "node",
+    "jsx": "react",
+    "strict": true,
+    "sourceMap": true,
+    "allowJs": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "declarationMap": true,
+    "declaration": true,
+    "noUnusedLocals": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "allowSyntheticDefaultImports": true
+  },
+  "exclude": ["dist"]
+}
@@ -0,0 +1,32 @@
+import { resolve } from 'path';
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react-swc';
+
+export default defineConfig({
+  plugins: [react()],
+  define: {
+    'process.env.NODE_ENV': '"production"',
+  },
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'src/main.tsx'),
+      name: 'EmailBuilder',
+      formats: ['umd'],
+      fileName: (format) => `email-builder.${format}.js`,
+    },
+    minify: 'terser',
+    cssCodeSplit: true,
+    cssMinify: true,
+
+    // Option to externalize deps.
+    // rollupOptions: {
+    //   external: ['react', 'react-dom'],
+    //   output: {
+    //     globals: {
+    //       react: 'React',
+    //       'react-dom': 'ReactDOM',
+    //     },
+    //   },
+    // }
+  },
+});