feat: replace Post button with post-type dropdown menu

Clicking Post now shows a dropdown with Note, Bookmark, Reply, Like,
Repost, and Article options. Each opens /posts/create with the
selected type and pre-filled URL/title in a popup window.

blogroll.njk

@@ -180,7 +180,6 @@ permalink: /blogroll/
                 class="share-post-btn"
                 :data-share-url="item.url"
                 :data-share-title="item.title"
-                data-share-type="note"
                 title="Create post"
                 aria-label="Create post"
               >

css/tailwind.css

@@ -795,3 +795,57 @@ body[data-indiekit-auth="true"] .share-post-btn:hover {
   border-color: #d1d5db;
   color: #10b981;
 }
+
+/* Post type dropdown */
+.post-type-dropdown {
+  display: none;
+  position: absolute;
+  bottom: 100%;
+  left: 50%;
+  transform: translateX(-50%);
+  margin-bottom: 4px;
+  background: white;
+  border: 1px solid #e5e7eb;
+  border-radius: 6px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+  z-index: 50;
+  min-width: 120px;
+  overflow: hidden;
+}
+
+.post-type-dropdown.open {
+  display: block;
+}
+
+.post-type-dropdown-item {
+  display: block;
+  width: 100%;
+  padding: 6px 12px;
+  font-size: 13px;
+  color: #374151;
+  text-align: left;
+  background: none;
+  border: none;
+  cursor: pointer;
+  white-space: nowrap;
+}
+
+.post-type-dropdown-item:hover {
+  background: #f3f4f6;
+  color: #10b981;
+}
+
+/* Dark mode */
+@media (prefers-color-scheme: dark) {
+  .post-type-dropdown {
+    background: #1f2937;
+    border-color: #374151;
+  }
+  .post-type-dropdown-item {
+    color: #d1d5db;
+  }
+  .post-type-dropdown-item:hover {
+    background: #374151;
+    color: #34d399;
+  }
+}

js/share-post.js

@@ -1,38 +1,86 @@
 /**
  * Share Post — frontend module
- * Opens the Indiekit share form in a popup window for creating posts
- * from blogroll, podroll, and news page items.
+ * Opens the Indiekit post creation form in a popup window.
+ * Provides a dropdown menu with post type choices.
  * Only active when user is logged in (body[data-indiekit-auth="true"]).
  */
 (function () {
+  var POST_TYPES = [
+    { value: 'note', label: 'Note' },
+    { value: 'bookmark', label: 'Bookmark' },
+    { value: 'reply', label: 'Reply' },
+    { value: 'like', label: 'Like' },
+    { value: 'repost', label: 'Repost' },
+    { value: 'article', label: 'Article' }
+  ];
+
   function isLoggedIn() {
     return document.body.getAttribute('data-indiekit-auth') === 'true';
   }
 
-  function openSharePopup(button) {
-    var url = button.dataset.shareUrl;
-    var title = button.dataset.shareTitle || '';
-    var type = button.dataset.shareType || 'note';
-    if (!url) return;
-
-    var shareUrl = '/share/bookmarklet'
-      + '?name=' + encodeURIComponent(title)
+  function openPostPopup(type, url, title) {
+    var createUrl = '/posts/create'
+      + '?type=' + encodeURIComponent(type)
       + '&url=' + encodeURIComponent(url)
-      + '&type=' + encodeURIComponent(type);
+      + '&name=' + encodeURIComponent(title);
 
     window.open(
-      shareUrl,
-      'Sharer',
-      'resizable,scrollbars,status=0,toolbar=0,menubar=0,titlebar=0,width=578,height=720,location=0'
+      createUrl,
+      'PostCreator',
+      'resizable,scrollbars,status=0,toolbar=0,menubar=0,titlebar=0,width=620,height=780,location=0'
     );
   }
 
+  function createDropdown(button) {
+    if (button.querySelector('.post-type-dropdown')) return;
+
+    var url = button.dataset.shareUrl;
+    var title = button.dataset.shareTitle || '';
+
+    var dropdown = document.createElement('div');
+    dropdown.className = 'post-type-dropdown';
+
+    POST_TYPES.forEach(function (pt) {
+      var item = document.createElement('button');
+      item.type = 'button';
+      item.className = 'post-type-dropdown-item';
+      item.textContent = pt.label;
+      item.addEventListener('click', function (e) {
+        e.stopPropagation();
+        openPostPopup(pt.value, url, title);
+        closeAllDropdowns();
+      });
+      dropdown.appendChild(item);
+    });
+
+    button.style.position = 'relative';
+    button.appendChild(dropdown);
+  }
+
+  function closeAllDropdowns() {
+    document.querySelectorAll('.post-type-dropdown.open').forEach(function (d) {
+      d.classList.remove('open');
+    });
+  }
+
   document.addEventListener('click', function (e) {
     if (!isLoggedIn()) return;
+
     var button = e.target.closest('.share-post-btn');
     if (button) {
       e.preventDefault();
-      openSharePopup(button);
+      e.stopPropagation();
+      createDropdown(button);
+      var dropdown = button.querySelector('.post-type-dropdown');
+      var wasOpen = dropdown.classList.contains('open');
+      closeAllDropdowns();
+      if (!wasOpen) {
+        dropdown.classList.add('open');
+      }
+      return;
     }
+
+    // Click outside closes dropdowns
+    closeAllDropdowns();
   });
 })();

news.njk

@@ -164,8 +164,7 @@ withSidebar: true
                     class="share-post-btn"
                     :data-share-url="item.link"
                     :data-share-title="item.title"
-                    data-share-type="note"
-                    title="Create post"
+                        title="Create post"
                     aria-label="Create post"
                   >
                     <span class="share-post-icon">✏️</span>
@@ -219,8 +218,7 @@ withSidebar: true
                   class="share-post-btn mt-2"
                   :data-share-url="item.link"
                   :data-share-title="item.title"
-                  data-share-type="note"
-                  title="Create post"
+                    title="Create post"
                   aria-label="Create post"
                 >
                   <span class="share-post-icon">✏️</span>
@@ -297,8 +295,7 @@ withSidebar: true
                     class="share-post-btn"
                     :data-share-url="item.link"
                     :data-share-title="item.title"
-                    data-share-type="note"
-                    title="Create post"
+                        title="Create post"
                     aria-label="Create post"
                   >
                     <span class="share-post-icon">✏️</span>

podroll.njk

@@ -148,7 +148,6 @@ permalink: /podroll/
                 class="share-post-btn"
                 :data-share-url="episode.url"
                 :data-share-title="episode.title"
-                data-share-type="note"
                 title="Create post"
                 aria-label="Create post"
               >