diff --git a/src-tauri/plugins/hello-world/index.js b/src-tauri/plugins/hello-world/index.js
index d84dec2f..bb1ab725 100644
--- a/src-tauri/plugins/hello-world/index.js
+++ b/src-tauri/plugins/hello-world/index.js
@@ -2,4 +2,6 @@ import { hello } from './hello.js';
 
 export function entrypoint() {
   hello();
+  console.log('Try JSON parse', JSON.parse(`{ "hello": 123 }`).hello);
+  console.log('Try RegExp', '123'.match(/[\d]+/));
 }
diff --git a/src-web/components/EnvironmentActionsDropdown.tsx b/src-web/components/EnvironmentActionsDropdown.tsx
index e5d7a7f2..2f52bd48 100644
--- a/src-web/components/EnvironmentActionsDropdown.tsx
+++ b/src-web/components/EnvironmentActionsDropdown.tsx
@@ -67,7 +67,7 @@ export const EnvironmentActionsDropdown = memo(function EnvironmentActionsDropdo
               onSelect: showEnvironmentDialog,
             },
           ],
-    [activeEnvironment, environments, routes, prompt, createEnvironment, showEnvironmentDialog],
+    [activeEnvironment, environments, routes, createEnvironment, showEnvironmentDialog],
   );
 
   return (
diff --git a/src-web/components/EnvironmentEditDialog.tsx b/src-web/components/EnvironmentEditDialog.tsx
index d9eb5e3e..5aa318b6 100644
--- a/src-web/components/EnvironmentEditDialog.tsx
+++ b/src-web/components/EnvironmentEditDialog.tsx
@@ -12,12 +12,13 @@ import { useUpdateEnvironment } from '../hooks/useUpdateEnvironment';
 import { HStack, VStack } from './core/Stacks';
 import { IconButton } from './core/IconButton';
 import { useDeleteEnvironment } from '../hooks/useDeleteEnvironment';
-import type { GenericCompletionConfig } from './core/Editor/genericCompletion';
 import type { DropdownItem } from './core/Dropdown';
 import { Dropdown } from './core/Dropdown';
 import { Icon } from './core/Icon';
 import { usePrompt } from '../hooks/usePrompt';
 import { InlineCode } from './core/InlineCode';
+import { useWindowSize } from 'react-use';
+import type { GenericCompletionConfig } from './core/Editor/genericCompletion';
 
 export const EnvironmentEditDialog = function () {
   const routes = useAppRoutes();
@@ -25,36 +26,48 @@ export const EnvironmentEditDialog = function () {
   const createEnvironment = useCreateEnvironment();
   const activeEnvironment = useActiveEnvironment();
 
+  const windowSize = useWindowSize();
+  const showSidebar = windowSize.width > 500;
+
   return (
-    <div className="h-full grid gap-x-8 grid-rows-[minmax(0,1fr)] grid-cols-[auto_minmax(0,1fr)]">
-      <div className="grid grid-rows-[minmax(0,1fr)_auto] gap-y-0.5 h-full min-w-[200px] pr-4 border-r border-gray-100">
-        <div className="h-full overflow-y-scroll">
-          {environments.map((e) => (
-            <Button
-              size="xs"
-              className={classNames(
-                'w-full',
-                activeEnvironment?.id === e.id && 'bg-gray-100 text-gray-1000',
-              )}
-              justify="start"
-              key={e.id}
-              onClick={() => {
-                routes.setEnvironment(e);
-              }}
-            >
-              {e.name}
-            </Button>
-          ))}
-        </div>
-        <Button
-          size="sm"
-          className="w-full"
-          color="gray"
-          onClick={() => createEnvironment.mutate()}
-        >
-          New Environment
-        </Button>
-      </div>
+    <div
+      className={classNames(
+        'h-full grid gap-x-8 grid-rows-[minmax(0,1fr)]',
+        showSidebar ? 'grid-cols-[auto_minmax(0,1fr)]' : 'grid-cols-[minmax(0,1fr)]',
+      )}
+    >
+      {showSidebar && (
+        <aside className="grid grid-rows-[minmax(0,1fr)_auto] gap-y-0.5 h-full max-w-[200px] pr-4 border-r border-gray-100">
+          <div className="min-w-0 h-full w-full overflow-y-scroll">
+            {environments.map((e) => (
+              <Button
+                size="xs"
+                color="custom"
+                className={classNames(
+                  'w-full',
+                  'text-gray-600 hocus:text-gray-800',
+                  activeEnvironment?.id === e.id && 'bg-highlightSecondary !text-gray-900',
+                )}
+                justify="start"
+                key={e.id}
+                onClick={() => {
+                  routes.setEnvironment(e);
+                }}
+              >
+                {e.name}
+              </Button>
+            ))}
+          </div>
+          <Button
+            size="sm"
+            className="w-full"
+            color="gray"
+            onClick={() => createEnvironment.mutate()}
+          >
+            New Environment
+          </Button>
+        </aside>
+      )}
       {activeEnvironment != null && <EnvironmentEditor environment={activeEnvironment} />}
     </div>
   );
@@ -113,6 +126,12 @@ const EnvironmentEditor = function ({ environment }: { environment: Environment
     [deleteEnvironment, updateEnvironment, environment.name, prompt],
   );
 
+  const validateName = useCallback((name: string) => {
+    // Empty just means the variable doesn't have a name yet, and is unusable
+    if (name === '') return true;
+    return name.match(/^[a-z_][a-z0-9_]*$/i) != null;
+  }, []);
+
   return (
     <VStack space={2}>
       <HStack space={2} className="justify-between">
@@ -124,6 +143,9 @@ const EnvironmentEditor = function ({ environment }: { environment: Environment
       <PairEditor
         nameAutocomplete={nameAutocomplete}
         nameAutocompleteVariables={false}
+        namePlaceholder="VAR_NAME"
+        valuePlaceholder="variable value"
+        nameValidate={validateName}
         valueAutocompleteVariables={false}
         forceUpdateKey={environment.id}
         pairs={environment.variables}
diff --git a/src-web/components/Overlay.tsx b/src-web/components/Overlay.tsx
index a195a28c..eb7a2f2d 100644
--- a/src-web/components/Overlay.tsx
+++ b/src-web/components/Overlay.tsx
@@ -10,6 +10,7 @@ interface Props {
   open: boolean;
   onClose?: () => void;
   zIndex?: keyof typeof zIndexes;
+  variant?: 'default' | 'transparent';
 }
 
 const zIndexes: Record<number, string> = {
@@ -20,7 +21,14 @@ const zIndexes: Record<number, string> = {
   50: 'z-50',
 };
 
-export function Overlay({ zIndex = 30, open, onClose, portalName, children }: Props) {
+export function Overlay({
+  variant = 'default',
+  zIndex = 30,
+  open,
+  onClose,
+  portalName,
+  children,
+}: Props) {
   return (
     <Portal name={portalName}>
       {open && (
@@ -33,14 +41,19 @@ export function Overlay({ zIndex = 30, open, onClose, portalName, children }: Pr
             <div
               aria-hidden
               onClick={onClose}
-              className="absolute inset-0 bg-gray-600/30 dark:bg-black/30 backdrop-blur-sm"
+              className={classNames(
+                'absolute inset-0',
+                variant === 'default' && 'bg-gray-600/30 dark:bg-black/30 backdrop-blur-sm',
+              )}
             />
             {/* Add region to still be able to drag the window */}
-            <div data-tauri-drag-region className="absolute top-0 left-0 right-0 h-md" />
-            {children}
+            {variant !== 'transparent' && (
+              <div data-tauri-drag-region className="absolute top-0 left-0 right-0 h-md" />
+            )}
+            <div className="bg-red-100">{children}</div>
           </motion.div>
         </FocusTrap>
-      )} 
+      )}
     </Portal>
   );
 }
diff --git a/src-web/components/RecentResponsesDropdown.tsx b/src-web/components/RecentResponsesDropdown.tsx
index 5ec5af4d..0742b465 100644
--- a/src-web/components/RecentResponsesDropdown.tsx
+++ b/src-web/components/RecentResponsesDropdown.tsx
@@ -42,9 +42,9 @@ export const RecentResponsesDropdown = function ResponsePane({
         ...responses.slice(0, 20).map((r) => ({
           key: r.id,
           label: (
-            <HStack space={2}>
+            <HStack space={2} alignItems="center">
               <StatusTag className="text-xs" response={r} />
-              <span>&bull;</span> <span>{r.elapsed}ms</span>
+              <span>&bull;</span> <span className="font-mono text-xs">{r.elapsed}ms</span>
             </HStack>
           ),
           leftSlot: activeResponse?.id === r.id ? <Icon icon="check" /> : <Icon icon="empty" />,
diff --git a/src-web/components/Workspace.tsx b/src-web/components/Workspace.tsx
index fa21a09c..3b591ea6 100644
--- a/src-web/components/Workspace.tsx
+++ b/src-web/components/Workspace.tsx
@@ -83,7 +83,7 @@ export default function Workspace() {
       document.documentElement.addEventListener('mouseup', moveState.current.up);
       setIsResizing(true);
     },
-    [setWidth, width],
+    [setWidth, resetWidth, width, hide, show],
   );
 
   const sideWidth = hidden ? 0 : width;
@@ -121,7 +121,7 @@ export default function Workspace() {
       )}
     >
       {floating ? (
-        <Overlay open={!hidden} portalName="sidebar" onClose={hide}>
+        <Overlay open={!hidden} portalName="sidebar" onClose={hide} zIndex={10}>
           <motion.div
             initial={{ opacity: 0, x: -10 }}
             animate={{ opacity: 1, x: 0 }}
diff --git a/src-web/components/core/Button.tsx b/src-web/components/core/Button.tsx
index 5217cb1f..af38b654 100644
--- a/src-web/components/core/Button.tsx
+++ b/src-web/components/core/Button.tsx
@@ -49,9 +49,9 @@ const _Button = forwardRef<HTMLButtonElement, ButtonProps>(function Button(
     () =>
       classNames(
         className,
-        'flex-shrink-0 outline-none whitespace-nowrap',
-        'focus-visible-or-class:ring',
-        'rounded-md flex items-center',
+        'whitespace-nowrap outline-none',
+        'flex-shrink-0 flex items-center',
+        'focus-visible-or-class:ring rounded-md',
         disabled ? 'pointer-events-none opacity-disabled' : 'pointer-events-auto',
         colorStyles[color || 'default'],
         justify === 'start' && 'justify-start',
@@ -70,7 +70,7 @@ const _Button = forwardRef<HTMLButtonElement, ButtonProps>(function Button(
       ) : leftSlot ? (
         <div className="mr-1">{leftSlot}</div>
       ) : null}
-      {children}
+      <div className="max-w-[15em] truncate">{children}</div>
       {rightSlot && <div className="ml-1">{rightSlot}</div>}
       {forDropdown && <Icon icon="chevronDown" size={size} className="ml-1 -mr-1" />}
     </button>
diff --git a/src-web/components/core/Dialog.tsx b/src-web/components/core/Dialog.tsx
index f4cd7730..c69b4c86 100644
--- a/src-web/components/core/Dialog.tsx
+++ b/src-web/components/core/Dialog.tsx
@@ -59,7 +59,7 @@ export function Dialog({
               'dark:border border-highlight shadow shadow-black/10',
               size === 'sm' && 'w-[25rem] max-h-[80vh]',
               size === 'md' && 'w-[45rem] max-h-[80vh]',
-              size === 'full' && 'w-[calc(100vw-8em)] h-[calc(100vh-8em)]',
+              size === 'full' && 'w-[95vw] h-[calc(100vh-6em)]',
               size === 'dynamic' && 'min-w-[30vw] max-w-[80vw]',
             )}
           >
diff --git a/src-web/components/core/Dropdown.tsx b/src-web/components/core/Dropdown.tsx
index f8a0bdfb..3c4765dd 100644
--- a/src-web/components/core/Dropdown.tsx
+++ b/src-web/components/core/Dropdown.tsx
@@ -1,5 +1,4 @@
 import classNames from 'classnames';
-import FocusTrap from 'focus-trap-react';
 import { motion } from 'framer-motion';
 import type { CSSProperties, HTMLAttributes, MouseEvent, ReactElement, ReactNode } from 'react';
 import React, {
@@ -13,11 +12,11 @@ import React, {
   useRef,
   useState,
 } from 'react';
-import { useKey, useKeyPressEvent } from 'react-use';
-import { Portal } from '../Portal';
+import { useKey, useKeyPressEvent, useWindowSize } from 'react-use';
 import { Button } from './Button';
 import { Separator } from './Separator';
 import { VStack } from './Stacks';
+import { Overlay } from '../Overlay';
 
 export type DropdownItemSeparator = {
   type: 'separator';
@@ -65,7 +64,7 @@ export const Dropdown = forwardRef<DropdownRef, DropdownProps>(function Dropdown
   useImperativeHandle(ref, () => ({
     ...menuRef.current,
     isOpen: open,
-    toggle (activeIndex?: number) {
+    toggle(activeIndex?: number) {
       if (!open) this.open(activeIndex);
       else setOpen(false);
     },
@@ -107,10 +106,12 @@ export const Dropdown = forwardRef<DropdownRef, DropdownProps>(function Dropdown
     buttonRef.current?.setAttribute('aria-expanded', open.toString());
   }, [open]);
 
+  const windowSize = useWindowSize();
   const triggerRect = useMemo(() => {
+    windowSize; // Make TS happy with this dep
     if (!open) return null;
     return buttonRef.current?.getBoundingClientRect();
-  }, [open]);
+  }, [open, windowSize]);
 
   return (
     <>
@@ -267,61 +268,59 @@ const Menu = forwardRef<Omit<DropdownRef, 'open' | 'isOpen' | 'toggle'>, MenuPro
   if (items.length === 0) return null;
 
   return (
-    <Portal name="dropdown">
-      <FocusTrap>
-        <div>
-          <div tabIndex={-1} aria-hidden className="fixed inset-0 z-50" onClick={onClose} />
-          <motion.div
-            tabIndex={0}
-            onKeyDown={handleMenuKeyDown}
-            initial={{ opacity: 0, y: -5, scale: 0.98 }}
-            animate={{ opacity: 1, y: 0, scale: 1 }}
-            role="menu"
-            aria-orientation="vertical"
-            dir="ltr"
-            ref={containerRef}
-            style={containerStyles}
-            className={classNames(className, 'outline-none mt-1 pointer-events-auto fixed z-50')}
-          >
-            <span
-              aria-hidden
-              style={triangleStyles}
-              className="bg-gray-50 absolute rotate-45 border-gray-200 border-t border-l"
-            />
-            {containerStyles && (
-              <VStack
-                space={0.5}
-                ref={initMenu}
-                style={menuStyles}
-                className={classNames(
-                  className,
-                  'h-auto bg-gray-50 rounded-md shadow-lg dark:shadow-gray-0 py-1.5 border',
-                  'border-gray-200 overflow-auto mb-1 mx-0.5',
-                )}
-              >
-                {items.map((item, i) => {
-                  if (item.type === 'separator') {
-                    return <Separator key={i} className="my-1.5" label={item.label} />;
-                  }
-                  if (item.hidden) {
-                    return null;
-                  }
-                  return (
-                    <MenuItem
-                      focused={i === selectedIndex}
-                      onFocus={handleFocus}
-                      onSelect={handleSelect}
-                      key={item.key}
-                      item={item}
-                    />
-                  );
-                })}
-              </VStack>
-            )}
-          </motion.div>
-        </div>
-      </FocusTrap>
-    </Portal>
+    <Overlay open variant="transparent" portalName="dropdown" zIndex={50}>
+      <div>
+        <div tabIndex={-1} aria-hidden className="fixed inset-0 z-30" onClick={onClose} />
+        <motion.div
+          tabIndex={0}
+          onKeyDown={handleMenuKeyDown}
+          initial={{ opacity: 0, y: -5, scale: 0.98 }}
+          animate={{ opacity: 1, y: 0, scale: 1 }}
+          role="menu"
+          aria-orientation="vertical"
+          dir="ltr"
+          ref={containerRef}
+          style={containerStyles}
+          className={classNames(className, 'outline-none mt-1 pointer-events-auto fixed z-50')}
+        >
+          <span
+            aria-hidden
+            style={triangleStyles}
+            className="bg-gray-50 absolute rotate-45 border-gray-200 border-t border-l"
+          />
+          {containerStyles && (
+            <VStack
+              space={0.5}
+              ref={initMenu}
+              style={menuStyles}
+              className={classNames(
+                className,
+                'h-auto bg-gray-50 rounded-md shadow-lg dark:shadow-gray-0 py-1.5 border',
+                'border-gray-200 overflow-auto mb-1 mx-0.5',
+              )}
+            >
+              {items.map((item, i) => {
+                if (item.type === 'separator') {
+                  return <Separator key={i} className="my-1.5" label={item.label} />;
+                }
+                if (item.hidden) {
+                  return null;
+                }
+                return (
+                  <MenuItem
+                    focused={i === selectedIndex}
+                    onFocus={handleFocus}
+                    onSelect={handleSelect}
+                    key={item.key}
+                    item={item}
+                  />
+                );
+              })}
+            </VStack>
+          )}
+        </motion.div>
+      </div>
+    </Overlay>
   );
 });
 
@@ -359,6 +358,8 @@ function MenuItem({ className, focused, onFocus, item, onSelect, ...props }: Men
       onFocus={handleFocus}
       onClick={handleClick}
       justify="start"
+      leftSlot={item.leftSlot && <div className="pr-2 flex justify-start">{item.leftSlot}</div>}
+      rightSlot={item.rightSlot && <div className="ml-auto pl-3">{item.rightSlot}</div>}
       className={classNames(
         className,
         'min-w-[8rem] outline-none px-2 mx-1.5 flex text-sm text-gray-700 whitespace-nowrap',
@@ -367,7 +368,6 @@ function MenuItem({ className, focused, onFocus, item, onSelect, ...props }: Men
       )}
       {...props}
     >
-      {item.leftSlot && <div className="pr-2 flex justify-start">{item.leftSlot}</div>}
       <div
         className={classNames(
           // Add padding on right when no right slot, for some visual balance
@@ -376,7 +376,6 @@ function MenuItem({ className, focused, onFocus, item, onSelect, ...props }: Men
       >
         {item.label}
       </div>
-      {item.rightSlot && <div className="ml-auto pl-3">{item.rightSlot}</div>}
     </Button>
   );
 }
diff --git a/src-web/components/core/PairEditor.tsx b/src-web/components/core/PairEditor.tsx
index 01e1e547..60ee71ed 100644
--- a/src-web/components/core/PairEditor.tsx
+++ b/src-web/components/core/PairEditor.tsx
@@ -154,6 +154,8 @@ export const PairEditor = memo(function PairEditor({
         'pb-2 grid overflow-auto max-h-full',
         // Move over the width of the drag handle
         '-ml-3',
+        // Pad to make room for the drag divider
+        'pt-0.5',
       )}
     >
       {pairs.map((p, i) => {
@@ -171,8 +173,8 @@ export const PairEditor = memo(function PairEditor({
               forceUpdateKey={forceUpdateKey}
               nameAutocomplete={nameAutocomplete}
               valueAutocomplete={valueAutocomplete}
-              namePlaceholder={namePlaceholder}
-              valuePlaceholder={valuePlaceholder}
+              namePlaceholder={isLast ? namePlaceholder : ''}
+              valuePlaceholder={isLast ? valuePlaceholder : ''}
               nameValidate={nameValidate}
               valueValidate={valueValidate}
               showDelete={!isLast}
diff --git a/src-web/components/core/Tabs/Tabs.tsx b/src-web/components/core/Tabs/Tabs.tsx
index bd460555..4c88193e 100644
--- a/src-web/components/core/Tabs/Tabs.tsx
+++ b/src-web/components/core/Tabs/Tabs.tsx
@@ -102,14 +102,16 @@ export function Tabs({
                     size="sm"
                     onClick={isActive ? undefined : () => handleTabChange(t.value)}
                     className={btnClassName}
+                    rightSlot={
+                      <Icon
+                        icon="triangleDown"
+                        className={classNames('-mr-1.5', isActive ? 'opacity-100' : 'opacity-20')}
+                      />
+                    }
                   >
                     {option && 'shortLabel' in option
                       ? option.shortLabel
                       : option?.label ?? 'Unknown'}
-                    <Icon
-                      icon="triangleDown"
-                      className={classNames('-mr-1.5', isActive ? 'opacity-100' : 'opacity-20')}
-                    />
                   </Button>
                 </RadioDropdown>
               );
diff --git a/src-web/hooks/Prompt.tsx b/src-web/hooks/Prompt.tsx
index e0759546..74e6cf54 100644
--- a/src-web/hooks/Prompt.tsx
+++ b/src-web/hooks/Prompt.tsx
@@ -3,7 +3,7 @@ import { useCallback, useState } from 'react';
 import { Button } from '../components/core/Button';
 import type { InputProps } from '../components/core/Input';
 import { Input } from '../components/core/Input';
-import { HStack, VStack } from '../components/core/Stacks';
+import { HStack } from '../components/core/Stacks';
 
 export interface PromptProps {
   onHide: () => void;
@@ -25,26 +25,27 @@ export function Prompt({ onHide, label, name, defaultValue, onResult }: PromptPr
   );
 
   return (
-    <form onSubmit={handleSubmit}>
-      <VStack space={6}>
-        <Input
-          hideLabel
-          require
-          autoSelect
-          label={label}
-          name={name}
-          defaultValue={defaultValue}
-          onChange={setValue}
-        />
-        <HStack space={2} justifyContent="end">
-          <Button className="focus" color="gray" onClick={onHide}>
-            Cancel
-          </Button>
-          <Button type="submit" className="focus" color="primary">
-            Save
-          </Button>
-        </HStack>
-      </VStack>
+    <form
+      className="grid grid-rows-[auto_auto] grid-cols-[minmax(0,1fr)] gap-6"
+      onSubmit={handleSubmit}
+    >
+      <Input
+        hideLabel
+        require
+        autoSelect
+        label={label}
+        name={name}
+        defaultValue={defaultValue}
+        onChange={setValue}
+      />
+      <HStack space={2} justifyContent="end">
+        <Button className="focus" color="gray" onClick={onHide}>
+          Cancel
+        </Button>
+        <Button type="submit" className="focus" color="primary">
+          Save
+        </Button>
+      </HStack>
     </form>
   );
 }