diff --git a/src/core/islands/Panel.mjs b/src/core/islands/Panel.mjs
index 9cf4e33..3ff913b 100644
--- a/src/core/islands/Panel.mjs
+++ b/src/core/islands/Panel.mjs
@@ -1,4 +1,3 @@
-1;
 /**
  * notion-enhancer
  * (c) 2023 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
@@ -23,7 +22,7 @@ function Panel({
   _setWidth,
   _getOpen,
   _setOpen,
-  minWidth = 260,
+  minWidth = 250,
   maxWidth = 640,
   transitionDuration = 300,
   ...props
@@ -66,12 +65,14 @@ function Panel({
     ${$resizeHandle}
     <div
       class="flex justify-between items-center
-        border-(b [color:var(--theme--fg-border)])"
+      border-(b [color:var(--theme--fg-border)])"
     >
       <div
         class="relative flex grow font-medium items-center p-[8.5px] ml-[4px]"
       >
         <${Select}
+          popupMode="dropdown"
+          maxWidth="${maxWidth}"
           class="w-full text-left"
           ...${{ _get, _set, values, maxWidth: maxWidth - 56 }}
         />
diff --git a/src/core/menu/islands/Popup.mjs b/src/core/menu/islands/Popup.mjs
index ac74b3d..94496e6 100644
--- a/src/core/menu/islands/Popup.mjs
+++ b/src/core/menu/islands/Popup.mjs
@@ -4,23 +4,34 @@
  * (https://notion-enhancer.github.io/) under the MIT license
  */
 
-function Popup({ trigger, ...props }, ...children) {
-  const { html, extendProps, setState, useState } = globalThis.__enhancerApi;
+function Popup(
+  { trigger, mode = "left", width = 250, maxWidth, ...props },
+  ...children
+) {
+  const { html, extendProps, setState, useState } = globalThis.__enhancerApi,
+    // known values for mode:
+    // dropdown => panel switcher
+    isDropdown = mode === "dropdown",
+    // left => menu option select
+    isLeft = mode === "left";
   extendProps(props, {
     class: `notion-enhancer--menu-popup group/popup
-    absolute top-0 left-0 w-full h-full z-20 text-left
-    flex-(& col) justify-center items-end font-normal
-    pointer-events-none`,
+    absolute top-0 left-0 z-20 text-left font-normal
+    flex-(& col) justify-center pointer-events-none
+    items-end w-full ${isDropdown ? "" : "h-full"}`,
   });
 
   const $popup = html`<div ...${props}>
-    <div class="relative right-[calc(100%+8px)]">
+    <div
+      class="relative ${isDropdown ? "w-full" : ""}
+      ${isLeft ? "right-[calc(100%+8px)]" : ""}"
+    >
       <div
         class="bg-[color:var(--theme--bg-secondary)]
-        w-[250px] max-w-[calc(100vw-24px)] max-h-[70vh]
-        py-[6px] px-[4px] drop-shadow-xl overflow-y-auto
-        transition duration-200 opacity-0 scale-95 rounded-[4px]
-        group-open/popup:(pointer-events-auto opacity-100 scale-100)"
+        rounded-[4px] overflow-y-auto drop-shadow-xl max-h-[70vh]
+        ${isDropdown ? "w-full" : "w-[250px] max-w-[calc(100vw-24px)]"} 
+        transition duration-200 opacity-0 scale-95 py-[6px] px-[4px]
+        group-open/popup:( pointer-events-auto opacity-100 scale-100)"
       >
         ${children}
       </div>
diff --git a/src/core/menu/islands/Select.mjs b/src/core/menu/islands/Select.mjs
index f3a9bfe..3fc7b33 100644
--- a/src/core/menu/islands/Select.mjs
+++ b/src/core/menu/islands/Select.mjs
@@ -37,6 +37,7 @@ function Select({
   _get,
   _set,
   _requireReload = true,
+  popupMode = "left",
   maxWidth = 256,
   ...props
 }) {
@@ -66,6 +67,7 @@ function Select({
     ${$select}
     <${Popup}
       trigger=${$select}
+      mode=${popupMode}
       onbeforeclose=${() => {
         $select.style.width = `${$select.offsetWidth}px`;
         $select.style.background = "transparent";