chore: publish from staged

website/src/pages/agents.astro

@@ -1,18 +1,18 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
 import agentsData from '../../public/data/agents.json';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import PageHeader from '../components/PageHeader.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import { renderAgentsHtml, sortAgents } from '../scripts/pages/agents-render';
 
 const initialItems = sortAgents(agentsData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Custom Agents', description: 'Specialized agents that enhance GitHub Copilot for specific technologies, workflows, and domains', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="agents-page listing-cards-page">
     <PageHeader title="Custom Agents" description="Specialized agents that enhance GitHub Copilot for specific technologies, workflows, and domains" icon="robot" />
 
     <div class="page-content">
@@ -42,8 +42,8 @@ const initialItems = sortAgents(agentsData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
   <EmbeddedPageData filename="agents.json" data={agentsData} />
 
   <script>

website/src/pages/extensions.astro

@@ -5,6 +5,7 @@ import ContributeCTA from '../components/ContributeCTA.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import PageHeader from '../components/PageHeader.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import { renderExtensionsHtml, sortExtensions } from '../scripts/pages/extensions-render';
 
 const initialItems = sortExtensions(extensionsData.items, 'title');
@@ -41,23 +42,13 @@ const initialItems = sortExtensions(extensionsData.items, 'title');
           </div>
         </div>
         <div class="resource-list" id="resource-list" role="list" set:html={renderExtensionsHtml(initialItems)}></div>
-        <div id="extension-preview-modal" class="extension-preview-modal hidden" aria-hidden="true">
-          <div class="extension-preview-dialog" role="dialog" aria-modal="true" aria-labelledby="extension-preview-title">
-            <div class="extension-preview-header">
-              <h3 id="extension-preview-title" class="extension-preview-title">Extension preview</h3>
-              <button id="extension-preview-close" class="btn btn-secondary extension-preview-close" type="button" aria-label="Close preview">Close</button>
-            </div>
-            <div class="extension-preview-body">
-              <img id="extension-preview-image" class="extension-preview-image" src="" alt="" />
-            </div>
-          </div>
-        </div>
         <ContributeCTA resourceType="extensions" />
       </div>
     </div>
   </div>
 
   <BackToTop />
+  <Modal />
   <EmbeddedPageData filename="extensions.json" data={extensionsData} />
 
   <script>
@@ -65,9 +56,4 @@ const initialItems = sortExtensions(extensionsData.items, 'title');
     import '../scripts/pages/extensions';
   </script>
 
-  <style>
-    .extensions-page .resource-preview {
-      cursor: default;
-    }
-  </style>
 </StarlightPage>

website/src/pages/hooks.astro

@@ -1,10 +1,10 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import PageHeader from '../components/PageHeader.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import hooksData from '../../public/data/hooks.json';
 import { renderHooksHtml, sortHooks } from '../scripts/pages/hooks-render';
 
@@ -12,7 +12,7 @@ const initialItems = sortHooks(hooksData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Hooks', description: 'Automated workflows triggered by Copilot coding agent events', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="hooks-page listing-cards-page">
     <PageHeader title="Hooks" description="Automated workflows triggered by Copilot coding agent events" icon="hook" />
 
     <div class="page-content">
@@ -47,8 +47,8 @@ const initialItems = sortHooks(hooksData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
 
   <EmbeddedPageData filename="hooks.json" data={hooksData} />
   <script>

website/src/pages/instructions.astro

@@ -1,18 +1,18 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
 import instructionsData from '../../public/data/instructions.json';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import PageHeader from '../components/PageHeader.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import { renderInstructionsHtml, sortInstructions } from '../scripts/pages/instructions-render';
 
 const initialItems = sortInstructions(instructionsData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Instructions', description: 'Coding standards and best practices for GitHub Copilot', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="instructions-page listing-cards-page">
     <PageHeader title="Instructions" description="Coding standards and best practices for GitHub Copilot" icon="document" />
 
     <div class="page-content">
@@ -47,8 +47,8 @@ const initialItems = sortInstructions(instructionsData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
   <EmbeddedPageData filename="instructions.json" data={instructionsData} />
 
   <script>

website/src/pages/plugins.astro

@@ -1,18 +1,18 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
 import pluginsData from '../../public/data/plugins.json';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import PageHeader from '../components/PageHeader.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import { renderPluginsHtml, sortPlugins } from '../scripts/pages/plugins-render';
 
 const initialItems = sortPlugins(pluginsData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Plugins', description: 'Curated plugins of agents, hooks, and skills for specific workflows', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="plugins-page listing-cards-page">
     <PageHeader title="Plugins" description="Curated plugins of agents, hooks, and skills for specific workflows" icon="plug" />
 
     <div class="page-content">
@@ -56,8 +56,8 @@ const initialItems = sortPlugins(pluginsData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
   <EmbeddedPageData filename="plugins.json" data={pluginsData} />
 
   <script>

website/src/pages/skills.astro

@@ -1,10 +1,10 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import PageHeader from '../components/PageHeader.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import skillsData from '../../public/data/skills.json';
 import { renderSkillsHtml, sortSkills } from '../scripts/pages/skills-render';
 
@@ -12,7 +12,7 @@ const initialItems = sortSkills(skillsData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Skills', description: 'Self-contained agent skills with instructions and bundled resources', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="skills-page listing-cards-page">
     <PageHeader title="Skills" description="Self-contained agent skills with instructions and bundled resources" icon="lightning" />
 
     <div class="page-content">
@@ -42,8 +42,8 @@ const initialItems = sortSkills(skillsData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
 
   <EmbeddedPageData filename="skills.json" data={skillsData} />
   <script>

website/src/pages/workflows.astro

@@ -1,18 +1,18 @@
 ---
 import StarlightPage from '@astrojs/starlight/components/StarlightPage.astro';
 import workflowsData from '../../public/data/workflows.json';
-import Modal from '../components/Modal.astro';
 import ContributeCTA from '../components/ContributeCTA.astro';
 import EmbeddedPageData from '../components/EmbeddedPageData.astro';
 import PageHeader from '../components/PageHeader.astro';
 import BackToTop from '../components/BackToTop.astro';
+import Modal from '../components/Modal.astro';
 import { renderWorkflowsHtml, sortWorkflows } from '../scripts/pages/workflows-render';
 
 const initialItems = sortWorkflows(workflowsData.items, 'title');
 ---
 
 <StarlightPage frontmatter={{ title: 'Agentic Workflows', description: 'AI-powered repository automations that run coding agents in GitHub Actions', template: 'splash', prev: false, next: false, editUrl: false }}>
-  <div id="main-content">
+  <div id="main-content" class="workflows-page listing-cards-page">
     <PageHeader title="Agentic Workflows" description="AI-powered repository automations that run coding agents in GitHub Actions" icon="workflow" />
 
     <div class="page-content">
@@ -47,8 +47,8 @@ const initialItems = sortWorkflows(workflowsData.items, 'title');
     </div>
   </div>
 
-  <Modal />
   <BackToTop />
+  <Modal />
   <EmbeddedPageData filename="workflows.json" data={workflowsData} />
 
   <script>

website/src/scripts/modal.ts

@@ -2,7 +2,6 @@
  * Modal functionality for file viewing
  */
 
-import { marked } from "marked";
 import {
   fetchFileContent,
   fetchData,
@@ -18,7 +17,6 @@ import {
   sanitizeUrl,
   REPO_IDENTIFIER,
 } from "./utils";
-import fm from "front-matter";
 
 type ModalViewMode = "rendered" | "raw";
 
@@ -352,7 +350,11 @@ async function renderCurrentFileContent(): Promise<void> {
     const container = ensureDivContent("modal-rendered-content");
     if (!container) return;
 
-    const { body: markdownBody } = fm(currentFileContent);
+    const [{ marked }, { default: fm }] = await Promise.all([
+      import("marked"),
+      import("front-matter"),
+    ]);
+    const { body: markdownBody } = fm<string>(currentFileContent);
     container.innerHTML = marked(markdownBody, { async: false });
   } else {
     await renderHighlightedCode(currentFileContent, currentFilePath);
@@ -452,6 +454,19 @@ interface PluginsData {
 
 let pluginsCache: PluginsData | null = null;
 
+interface OpenCardDetailsRequest {
+  title: string;
+  description: string;
+  previewIcon?: string;
+  previewText?: string;
+  metaHtml?: string;
+  tagsHtml?: string;
+  actionsHtml?: string;
+  detailsHtml?: string;
+  contentClassName?: string;
+  trigger?: HTMLElement;
+}
+
 /**
  * Get all focusable elements within a container
  */
@@ -731,6 +746,19 @@ export function setupModal(): void {
     }
   });
 
+  document.addEventListener("click", async (event) => {
+    const target = event.target as HTMLElement;
+    const openFileButton = target.closest<HTMLElement>("[data-open-file-path]");
+    if (!openFileButton) return;
+
+    const filePath = openFileButton.dataset.openFilePath;
+    if (!filePath) return;
+
+    event.preventDefault();
+    const fileType = openFileButton.dataset.openFileType || getResourceType(filePath);
+    await openFileModal(filePath, fileType, true, openFileButton);
+  });
+
   // Check for deep link on initial load
   handleHashChange();
 }
@@ -894,6 +922,8 @@ export async function openFileModal(
   const closeBtn = document.getElementById("close-modal");
   if (!modal || !title) return;
 
+  modal.classList.remove("details-mode");
+
   currentFilePath = filePath;
   currentFileType = type;
   currentViewMode = "raw";
@@ -989,6 +1019,85 @@ export async function openFileModal(
   await renderCurrentFileContent();
 }
 
+export function openCardDetailsModal({
+  title,
+  description,
+  previewIcon = "📄",
+  previewText = "",
+  metaHtml = "",
+  tagsHtml = "",
+  actionsHtml = "",
+  detailsHtml = "",
+  contentClassName = "modal-card-details",
+  trigger,
+}: OpenCardDetailsRequest): void {
+  const modal = document.getElementById("file-modal");
+  const modalTitle = document.getElementById("modal-title");
+  const closeBtn = document.getElementById("close-modal");
+  const modalBody = getModalBody();
+
+  if (!modal || !modalTitle || !modalBody) return;
+
+  triggerElement = trigger || (document.activeElement as HTMLElement);
+  if (!originalDocumentTitle) {
+    originalDocumentTitle = document.title;
+  }
+
+  currentFilePath = null;
+  currentFileContent = null;
+  currentFileType = "details";
+  currentViewMode = "raw";
+  hideSkillFileSwitcher();
+
+  modal.classList.add("details-mode");
+  modalTitle.textContent = title;
+  document.title = `${title} | Awesome GitHub Copilot`;
+
+  const content = ensureDivContent(contentClassName);
+  if (!content) return;
+
+  content.innerHTML =
+    detailsHtml ||
+    `
+      <div class="resource-details-body modal-card-details-body">
+        <div class="resource-details-preview">
+          <div class="resource-details-preview-icon" aria-hidden="true">${escapeHtml(previewIcon)}</div>
+          ${
+            previewText
+              ? `<p class="resource-details-preview-text">${escapeHtml(previewText)}</p>`
+              : ""
+          }
+        </div>
+        <div class="resource-details-content">
+          <p class="resource-details-description">${escapeHtml(description)}</p>
+          ${
+            metaHtml
+              ? `<div class="resource-meta resource-details-meta">${metaHtml}</div>`
+              : ""
+          }
+          ${
+            tagsHtml
+              ? `<div class="resource-keywords resource-details-tags">${tagsHtml}</div>`
+              : ""
+          }
+          ${
+            actionsHtml
+              ? `<div class="resource-actions resource-details-actions">${actionsHtml}</div>`
+              : ""
+          }
+        </div>
+      </div>
+    `;
+
+  modalBody.scrollTop = 0;
+  modal.classList.remove("hidden");
+  modal.classList.add("visible");
+
+  setTimeout(() => {
+    closeBtn?.focus();
+  }, 0);
+}
+
 /**
  * Open plugin modal with item list
  */

website/src/scripts/pages/agents-render.ts

@@ -5,6 +5,7 @@ import {
   getInstallDropdownHtml,
   getLastUpdatedHtml,
 } from "../utils";
+import { renderEmptyStateHtml, renderSharedCardHtml } from "./card-render";
 
 export interface RenderableAgent {
   title: string;
@@ -37,68 +38,55 @@ export function sortAgents<T extends RenderableAgent>(
 
 export function renderAgentsHtml(items: RenderableAgent[]): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml("No agents found", "No agents are available right now.");
-      <div class="empty-state">
-        <h3>No agents found</h3>
-        <p>No agents are available right now.</p>
-      </div>
-    `;
   }
 
   return items
     .map((item) => {
-      return `
+      const metaHtml = `
-        <article class="resource-item" data-path="${escapeHtml(item.path)}" role="listitem">
+        ${
-          <button type="button" class="resource-preview">
+          item.model
-            <div class="resource-info">
+            ? `<span class="resource-tag tag-model">${escapeHtml(
-              <div class="resource-title">${escapeHtml(item.title)}</div>
+                Array.isArray(item.model) ? item.model.join(", ") : item.model
-              <div class="resource-description">${escapeHtml(
+              )}</span>`
-                item.description || "No description"
+            : ""
-              )}</div>
+        }
-              <div class="resource-meta">
+        ${
-                ${
+          item.tools
-                  item.model
+            ?.slice(0, 3)
-                    ? `<span class="resource-tag tag-model">${escapeHtml(
+            .map((tool) => `<span class="resource-tag">${escapeHtml(tool)}</span>`)
-                        item.model
+            .join("") || ""
-                      )}</span>`
+        }
-                    : ""
+        ${
-                }
+          item.tools && item.tools.length > 3
-                ${
+            ? `<span class="resource-tag">+${item.tools.length - 3} more</span>`
-                  item.tools
+            : ""
-                    ?.slice(0, 3)
+        }
-                    .map(
+        ${
-                      (tool) =>
+          item.hasHandoffs
-                        `<span class="resource-tag">${escapeHtml(tool)}</span>`
+            ? `<span class="resource-tag tag-handoffs">handoffs</span>`
-                    )
+            : ""
-                    .join("") || ""
+        }
-                }
+        ${getLastUpdatedHtml(item.lastUpdated)}
-                ${
-                  item.tools && item.tools.length > 3
-                    ? `<span class="resource-tag">+${
-                        item.tools.length - 3
-                      } more</span>`
-                    : ""
-                }
-                ${
-                  item.hasHandoffs
-                    ? `<span class="resource-tag tag-handoffs">handoffs</span>`
-                    : ""
-                }
-                ${getLastUpdatedHtml(item.lastUpdated)}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            ${getInstallDropdownHtml(resourceType, item.path, true)}
-            ${getActionButtonsHtml(item.path, true)}
-            <a href="${getGitHubUrl(
-              item.path
-            )}" class="btn btn-secondary btn-small" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">
-              GitHub
-            </a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        ${getInstallDropdownHtml(resourceType, item.path, true)}
+        ${getActionButtonsHtml(item.path, true)}
+        <a href="${getGitHubUrl(item.path)}" class="btn btn-secondary btn-small" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">
+          GitHub
+        </a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.title,
+        description: item.description || "No description",
+        articleAttributes: {
+          "data-path": item.path,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join("");
 }

website/src/scripts/pages/agents.ts

@@ -2,13 +2,16 @@
  * Agents page functionality
  */
 import {
+  escapeHtml,
   fetchData,
+  formatRelativeTime,
   getQueryParam,
-  setupDropdownCloseHandlers,
+  getVSCodeInstallUrl,
   setupActionHandlers,
+  setupDropdownCloseHandlers,
   updateQueryParams,
 } from '../utils';
-import { setupModal, openFileModal } from '../modal';
+import { openCardDetailsModal, setupModal } from '../modal';
 import {
   renderAgentsHtml,
   sortAgents,
@@ -17,6 +20,7 @@ import {
 } from './agents-render';
 
 interface Agent extends RenderableAgent {
+  id?: string;
   lastUpdated?: string | null;
 }
 
@@ -25,8 +29,10 @@ interface AgentsData {
 }
 
 let allItems: Agent[] = [];
+let agentByPath = new Map<string, Agent>();
 let currentSort: AgentSortOption = 'title';
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function applyFiltersAndRender(): void {
   const countEl = document.getElementById('results-count');
@@ -45,6 +51,70 @@ function renderItems(items: Agent[]): void {
   list.innerHTML = renderAgentsHtml(items);
 }
 
+function openAgentDetailsModal(path: string, trigger?: HTMLElement): void {
+  const item = agentByPath.get(path);
+  if (!item) {
+    return;
+  }
+
+  const metaParts: string[] = [];
+  if (item.model) {
+    metaParts.push(
+      `<span class="resource-tag tag-model">${escapeHtml(
+        Array.isArray(item.model) ? item.model.join(', ') : item.model
+      )}</span>`
+    );
+  }
+
+  if (item.hasHandoffs) {
+    metaParts.push('<span class="resource-tag tag-handoffs">handoffs</span>');
+  }
+
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const toolItems = item.tools || [];
+  const displayTools = toolItems.slice(0, 24);
+  const tagParts = displayTools.map(
+    (tool) => `<span class="resource-tag">${escapeHtml(tool)}</span>`
+  );
+  if (toolItems.length > displayTools.length) {
+    tagParts.push(
+      `<span class="resource-tag">+${toolItems.length - displayTools.length} more</span>`
+    );
+  }
+
+  const vscodeUrl = getVSCodeInstallUrl('agent', path, false);
+  const insidersUrl = getVSCodeInstallUrl('agent', path, true);
+  const actions = [
+    vscodeUrl
+      ? `<a class="btn btn-primary btn-small" href="${escapeHtml(vscodeUrl)}" target="_blank" rel="noopener noreferrer">Install (VS Code)</a>`
+      : '',
+    insidersUrl
+      ? `<a class="btn btn-secondary btn-small" href="${escapeHtml(insidersUrl)}" target="_blank" rel="noopener noreferrer">Install (Insiders)</a>`
+      : '',
+    `<button class="btn btn-secondary btn-small" type="button" data-open-file-path="${escapeHtml(
+      path
+    )}" data-open-file-type="agent">Source</button>`,
+  ].filter(Boolean);
+
+  openCardDetailsModal({
+    title: item.title,
+    description: item.description || 'No description',
+    previewIcon: '🤖',
+    previewText: 'Agent metadata and install options',
+    metaHtml: metaParts.join(''),
+    tagsHtml: tagParts.join(''),
+    actionsHtml: actions.join(''),
+    trigger,
+  });
+}
+
 function setupResourceListHandlers(list: HTMLElement | null): void {
   if (!list || resourceListHandlersReady) return;
 
@@ -55,9 +125,10 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
     }
 
     const item = target.closest('.resource-item') as HTMLElement | null;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
     const path = item?.dataset.path;
     if (path) {
-      openFileModal(path, 'agent');
+      openAgentDetailsModal(path, button);
     }
   });
 
@@ -78,6 +149,11 @@ export async function initAgentsPage(): Promise<void> {
   const list = document.getElementById('resource-list');
   const sortSelect = document.getElementById('sort-select') as HTMLSelectElement;
 
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
+
   setupResourceListHandlers(list as HTMLElement | null);
 
   const data = await fetchData<AgentsData>('agents.json');
@@ -87,6 +163,7 @@ export async function initAgentsPage(): Promise<void> {
   }
 
   allItems = data.items;
+  agentByPath = new Map(allItems.map((item) => [item.path, item]));
 
   const initialSort = getQueryParam('sort');
   if (initialSort === 'lastUpdated') {
@@ -101,7 +178,6 @@ export async function initAgentsPage(): Promise<void> {
   });
 
   applyFiltersAndRender();
-  setupModal();
   setupDropdownCloseHandlers();
   setupActionHandlers();
 }

website/src/scripts/pages/card-render.ts

@@ -0,0 +1,54 @@
+import { escapeHtml } from "../utils";
+
+export interface SharedCardRenderItem {
+  title: string;
+  description?: string;
+  role?: string;
+  tabIndex?: number;
+  articleClassName?: string;
+  articleAttributes?: Record<string, string>;
+  previewMediaHtml?: string;
+  infoExtraHtml?: string;
+  metaHtml?: string;
+  actionsHtml?: string;
+}
+
+function renderAttributes(attributes?: Record<string, string>): string {
+  if (!attributes) return "";
+  return Object.entries(attributes)
+    .map(([key, value]) => ` ${key}="${escapeHtml(value)}"`)
+    .join("");
+}
+
+export function renderEmptyStateHtml(title: string, description: string): string {
+  return `
+    <div class="empty-state">
+      <h3>${escapeHtml(title)}</h3>
+      <p>${escapeHtml(description)}</p>
+    </div>
+  `;
+}
+
+export function renderSharedCardHtml(item: SharedCardRenderItem): string {
+  const role = item.role ?? "listitem";
+  const articleClass = item.articleClassName
+    ? `resource-item ${item.articleClassName}`
+    : "resource-item";
+
+  return `
+    <article class="${articleClass}" role="${escapeHtml(role)}"${item.tabIndex !== undefined ? ` tabindex="${String(item.tabIndex)}"` : ""}${renderAttributes(item.articleAttributes)}>
+      <button type="button" class="resource-preview">
+        ${item.previewMediaHtml || ""}
+        <div class="resource-info">
+          <div class="resource-title">${escapeHtml(item.title)}</div>
+          <div class="resource-description">${escapeHtml(item.description || "No description")}</div>
+          ${item.infoExtraHtml || ""}
+          <div class="resource-meta">
+            ${item.metaHtml || ""}
+          </div>
+        </div>
+      </button>
+      ${item.actionsHtml ? `<div class="resource-actions">${item.actionsHtml}</div>` : ""}
+    </article>
+  `;
+}

website/src/scripts/pages/extensions-render.ts

@@ -1,4 +1,5 @@
 import { escapeHtml, getGitHubUrl, getLastUpdatedHtml } from "../utils";
+import { renderEmptyStateHtml, renderSharedCardHtml } from "./card-render";
 
 export interface RenderableExtension {
   id: string;
@@ -17,10 +18,16 @@ export interface RenderableExtension {
       path?: string | null;
       type?: string | null;
     } | null;
-    gallery?: {
+    gallery?:
-      path?: string | null;
+      | {
-      type?: string | null;
+          path?: string | null;
-    } | null;
+          type?: string | null;
+        }
+      | Array<{
+          path?: string | null;
+          type?: string | null;
+        }>
+      | null;
   } | null;
   imageUrl?: string | null;
   assetPath?: string | null;
@@ -48,12 +55,10 @@ export function sortExtensions<T extends RenderableExtension>(
 
 export function renderExtensionsHtml(items: RenderableExtension[]): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml(
-      <div class="empty-state">
+      "No extensions found",
-        <h3>No extensions found</h3>
+      "No canvas extensions are available right now."
-        <p>No canvas extensions are available right now.</p>
+    );
-      </div>
-    `;
   }
 
   return items
@@ -69,62 +74,60 @@ export function renderExtensionsHtml(items: RenderableExtension[]): string {
       const sourceUrl =
         item.sourceUrl || (item.path ? getGitHubUrl(item.path) : "");
 
-      return `
+      const previewMediaHtml = item.imageUrl
-        <article id="${escapeHtml(item.id)}" class="resource-item" role="listitem">
+        ? `<div class="resource-thumbnail-btn" data-extension-id="${escapeHtml(item.id)}" aria-hidden="true">
-          <div class="resource-preview">
+            <img class="resource-thumbnail" src="${escapeHtml(item.imageUrl)}" alt="${escapeHtml(item.name)} preview" loading="lazy" />
-           ${
+           </div>`
-             item.imageUrl
+        : `<div class="resource-thumbnail resource-thumbnail-placeholder" aria-hidden="true">Canvas</div>`;
-               ? `<button type="button" class="resource-thumbnail-btn" data-preview-url="${escapeHtml(item.imageUrl)}" data-preview-alt="${escapeHtml(item.name)} preview" aria-label="Open ${escapeHtml(item.name)} preview">
+
-                    <img class="resource-thumbnail" src="${escapeHtml(item.imageUrl)}" alt="${escapeHtml(item.name)} preview" loading="lazy" />
+      const infoExtraHtml = `
-                  </button>`
+        <div class="resource-keywords">
-               : `<div class="resource-thumbnail resource-thumbnail-placeholder" aria-hidden="true">Canvas</div>`
+          ${
-           }
+           item.keywords && item.keywords.length > 0
-           <div class="resource-info">
+             ? item.keywords
-             <div class="resource-title">${escapeHtml(item.name)}</div>
+                 .map((kw) => `<span class="keyword-tag">${escapeHtml(kw)}</span>`)
-             <div class="resource-description">${escapeHtml(
+                 .join("")
-               item.description || "Canvas extension"
+             : ""
-             )}</div>
+          }
-             <div class="resource-keywords">
+        </div>
-               ${
-                 item.keywords && item.keywords.length > 0
-                   ? item.keywords
-                       .map(
-                         (kw) =>
-                           `<span class="keyword-tag">${escapeHtml(kw)}</span>`
-                       )
-                       .join("")
-                   : ""
-               }
-             </div>
-             <div class="resource-meta">
-               ${
-                 item.external
-                   ? '<span class="resource-tag">External</span>'
-                   : ""
-               }
-               ${getLastUpdatedHtml(item.lastUpdated)}
-             </div>
-           </div>
-         </div>
-          <div class="resource-actions">
-            <button
-              class="btn btn-primary btn-small copy-install-url-btn"
-              data-install-url="${escapeHtml(installUrl)}"
-              title="Copy install URL"
-              ${installUrl ? "" : "disabled"}
-            >
-              Install
-            </button>
-            ${
-              sourceUrl
-                ? `<a href="${escapeHtml(
-                    sourceUrl
-                  )}" class="btn btn-secondary btn-small" target="_blank" rel="noopener noreferrer" title="View source">Source</a>`
-                : ""
-            }
-          </div>
-        </article>
       `;
+
+      const metaHtml = `
+        ${item.external ? '<span class="resource-tag">External</span>' : ""}
+        ${getLastUpdatedHtml(item.lastUpdated)}
+      `;
+
+      const actionsHtml = `
+        <button
+          class="btn btn-primary btn-small copy-install-url-btn"
+          data-install-url="${escapeHtml(installUrl)}"
+          title="Copy install URL"
+          ${installUrl ? "" : "disabled"}
+        >
+          Install
+        </button>
+        ${
+          sourceUrl
+           ? `<a href="${escapeHtml(
+               sourceUrl
+             )}" class="btn btn-secondary btn-small" target="_blank" rel="noopener noreferrer" title="View source">Source</a>`
+           : ""
+        }
+      `;
+
+      return renderSharedCardHtml({
+        title: item.name,
+        description: item.description || "Canvas extension",
+        previewMediaHtml,
+        infoExtraHtml,
+        metaHtml,
+        actionsHtml,
+        tabIndex: 0,
+        articleAttributes: {
+          id: item.id,
+          "data-extension-id": item.id,
+        },
+      });
     })
     .join("");
 }

website/src/scripts/pages/extensions.ts

@@ -8,13 +8,17 @@ import {
   type Choices,
 } from "../choices";
 import {
+  escapeHtml,
   copyToClipboard,
   fetchData,
+  formatRelativeTime,
+  getGitHubUrl,
   getQueryParam,
   getQueryParamValues,
   showToast,
   updateQueryParams,
 } from "../utils";
+import { openCardDetailsModal, setupModal } from "../modal";
 import {
   renderExtensionsHtml,
   sortExtensions,
@@ -34,36 +38,200 @@ interface ExtensionsData {
   };
 }
 
+interface ExtensionScreenshot {
+  path?: string | null;
+  type?: string | null;
+}
+
 let allItems: Extension[] = [];
+let extensionById = new Map<string, Extension>();
 let currentSort: ExtensionSortOption = "title";
 let keywordSelect: Choices;
 let currentFilters = {
   keywords: [] as string[],
 };
 let actionHandlersReady = false;
+let modalReady = false;
 
-function openPreviewModal(url: string, alt: string): void {
+function normalizeScreenshotEntries(value: unknown): ExtensionScreenshot[] {
-  const modal = document.getElementById("extension-preview-modal");
+  if (!value) return [];
-  const image = document.getElementById("extension-preview-image") as HTMLImageElement | null;
+  if (Array.isArray(value)) {
-  const title = document.getElementById("extension-preview-title");
+    return value.filter((entry): entry is ExtensionScreenshot => Boolean(entry));
-
+  }
-  if (!modal || !image || !title) return;
+  if (typeof value === "object") {
-
+    return [value as ExtensionScreenshot];
-  image.src = url;
+  }
-  image.alt = alt;
+  return [];
-  title.textContent = alt.replace(/ preview$/i, "");
-  modal.classList.remove("hidden");
-  modal.setAttribute("aria-hidden", "false");
-  document.body.style.overflow = "hidden";
 }
 
-function closePreviewModal(): void {
+function getInstallUrl(item: Extension): string {
-  const modal = document.getElementById("extension-preview-modal");
+  return (
-  if (!modal) return;
+    item.installUrl ||
+    (item.path && item.ref
+      ? `https://github.com/github/awesome-copilot/tree/${item.ref}/${item.path.replace(
+          /\\/g,
+          "/"
+        )}`
+      : "")
+  );
+}
 
-  modal.classList.add("hidden");
+function getSourceUrl(item: Extension): string {
-  modal.setAttribute("aria-hidden", "true");
+  return item.sourceUrl || (item.path ? getGitHubUrl(item.path) : "");
-  document.body.style.overflow = "";
+}
+
+function toRawAssetUrl(item: Extension, assetPath: string | null | undefined): string {
+  if (!assetPath || !item.ref) return "";
+  if (/^https?:\/\//i.test(assetPath)) return assetPath;
+  return `https://raw.githubusercontent.com/github/awesome-copilot/${item.ref}/${assetPath.replace(
+    /\\/g,
+    "/"
+  )}`;
+}
+
+function getGalleryImages(item: Extension): string[] {
+  const images: string[] = [];
+
+  if (item.imageUrl) {
+    images.push(item.imageUrl);
+  }
+
+  const iconPath = item.screenshots?.icon?.path;
+  if (iconPath) {
+    const url = toRawAssetUrl(item, iconPath);
+    if (url) images.push(url);
+  }
+
+  const galleryPaths = normalizeScreenshotEntries(item.screenshots?.gallery);
+  for (const entry of galleryPaths) {
+    const url = toRawAssetUrl(item, entry.path);
+    if (url) images.push(url);
+  }
+
+  return Array.from(new Set(images));
+}
+
+function renderGalleryThumbnails(images: string[], selectedUrl: string): void {
+  const gallery = document.getElementById("extension-details-gallery");
+  if (!gallery) return;
+
+  gallery.innerHTML = "";
+
+  images.forEach((url, index) => {
+    const button = document.createElement("button");
+    button.type = "button";
+    button.className = "extension-details-thumbnail-btn";
+    button.dataset.galleryImageUrl = url;
+    button.setAttribute("aria-label", `Show image ${index + 1}`);
+    button.setAttribute("role", "listitem");
+    if (url === selectedUrl) {
+      button.classList.add("active");
+      button.setAttribute("aria-current", "true");
+    }
+
+    const image = document.createElement("img");
+    image.src = url;
+    image.alt = `Gallery image ${index + 1}`;
+    image.className = "extension-details-thumbnail";
+    image.loading = "lazy";
+
+    button.appendChild(image);
+    gallery.appendChild(button);
+  });
+}
+
+function setSelectedGalleryImage(url: string, extensionName: string): void {
+  const image = document.getElementById(
+    "extension-details-image"
+  ) as HTMLImageElement | null;
+  const gallery = document.getElementById("extension-details-gallery");
+  if (!image) return;
+
+  image.src = url;
+  image.alt = `${extensionName} screenshot`;
+
+  gallery?.querySelectorAll<HTMLButtonElement>(".extension-details-thumbnail-btn").forEach((button) => {
+    const isActive = button.dataset.galleryImageUrl === url;
+    button.classList.toggle("active", isActive);
+    if (isActive) {
+      button.setAttribute("aria-current", "true");
+    } else {
+      button.removeAttribute("aria-current");
+    }
+  });
+}
+
+function openDetailsModal(
+  extensionId: string,
+  preferredImageUrl?: string,
+  trigger?: HTMLElement
+): void {
+  const item = extensionById.get(extensionId);
+  if (!item) {
+    return;
+  }
+
+  const keywordHtml = (item.keywords || [])
+    .map((keyword) => `<span class="keyword-tag">${escapeHtml(keyword)}</span>`)
+    .join("");
+  const metaParts: string[] = [];
+  if (item.external) {
+    metaParts.push('<span class="resource-tag">External</span>');
+  }
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const installUrl = getInstallUrl(item);
+  const sourceUrl = getSourceUrl(item);
+  const detailsHtml = `
+    <div class="extension-details-body">
+      <div class="extension-details-main">
+        <img id="extension-details-image" class="extension-preview-image extension-details-image" src="" alt="" />
+        <div id="extension-details-gallery" class="extension-details-gallery" role="list"></div>
+      </div>
+      <div class="extension-details-content">
+        <p id="extension-details-description" class="extension-details-description">${escapeHtml(
+          item.description || "Canvas extension"
+        )}</p>
+        <div id="extension-details-keywords" class="resource-keywords extension-details-keywords">${keywordHtml}</div>
+        <div id="extension-details-meta" class="resource-meta extension-details-meta">${metaParts.join(
+          ""
+        )}</div>
+        <div class="resource-actions extension-details-actions">
+          <button id="extension-details-install" class="btn btn-primary btn-small" type="button" data-install-url="${escapeHtml(
+            installUrl
+          )}" ${installUrl ? "" : "disabled"}>Install</button>
+          ${
+            sourceUrl
+              ? `<a id="extension-details-source" class="btn btn-secondary btn-small" href="${escapeHtml(
+                  sourceUrl
+                )}" target="_blank" rel="noopener noreferrer">Source</a>`
+              : ""
+          }
+        </div>
+      </div>
+    </div>
+  `;
+
+  openCardDetailsModal({
+    title: item.name,
+    description: item.description || "Canvas extension",
+    detailsHtml,
+    contentClassName: "modal-card-details modal-card-details-extension",
+    trigger,
+  });
+
+  const galleryImages = getGalleryImages(item);
+  const initialImage = preferredImageUrl || galleryImages[0] || "";
+  renderGalleryThumbnails(galleryImages, initialImage);
+  if (initialImage) {
+    setSelectedGalleryImage(initialImage, item.name);
+  }
 }
 
 function sortItems(items: Extension[]): Extension[] {
@@ -108,19 +276,6 @@ function setupActionHandlers(list: HTMLElement | null): void {
 
   list.addEventListener("click", async (event) => {
     const target = event.target as HTMLElement;
-    const thumbnailButton = target.closest(
-      ".resource-thumbnail-btn"
-    ) as HTMLButtonElement | null;
-
-    if (thumbnailButton) {
-      event.preventDefault();
-      event.stopPropagation();
-      openPreviewModal(
-        thumbnailButton.dataset.previewUrl || "",
-        thumbnailButton.dataset.previewAlt || "Extension preview"
-      );
-      return;
-    }
 
     const installButton = target.closest(
       ".copy-install-url-btn"
@@ -139,27 +294,86 @@ function setupActionHandlers(list: HTMLElement | null): void {
       success ? "Install URL copied!" : "Failed to copy install URL",
       success ? "success" : "error"
     );
+    return;
   });
 
-  const modal = document.getElementById("extension-preview-modal");
+  list.addEventListener("click", (event) => {
-  const closeButton = document.getElementById("extension-preview-close");
+    const target = event.target as HTMLElement;
 
-  if (modal) {
+    const thumbnailButton = target.closest(
-    modal.addEventListener("click", (event) => {
+      ".resource-thumbnail-btn"
-      if (event.target === modal) {
+    ) as HTMLElement | null;
-        closePreviewModal();
+    if (thumbnailButton) {
-      }
+      event.preventDefault();
-    });
+      event.stopPropagation();
-  }
+      const extensionId = thumbnailButton.dataset.extensionId;
-
+      if (!extensionId) return;
-  if (closeButton) {
+      const previewButton = thumbnailButton.closest(".resource-preview") as HTMLElement | null;
-    closeButton.addEventListener("click", closePreviewModal);
+      openDetailsModal(extensionId, undefined, previewButton || undefined);
-  }
+      return;
-
-  document.addEventListener("keydown", (event) => {
-    if (event.key === "Escape") {
-      closePreviewModal();
     }
+
+    if (
+      target.closest(".resource-actions") ||
+      target.closest(".extension-details-thumbnail-btn")
+    ) {
+      return;
+    }
+
+    const card = target.closest(".resource-item") as HTMLElement | null;
+    const previewButton = card?.querySelector(".resource-preview") as HTMLElement | null;
+    const extensionId = card?.dataset.extensionId;
+    if (extensionId) {
+      openDetailsModal(extensionId, undefined, previewButton || undefined);
+    }
+  });
+
+  list.addEventListener("keydown", (event) => {
+    const target = event.target as HTMLElement;
+    const card = target.closest(".resource-item") as HTMLElement | null;
+    if (!card) return;
+
+    if (target.closest("a, button, select, input, textarea")) return;
+
+    if (event.key === "Enter" || event.key === " ") {
+      event.preventDefault();
+      const extensionId = card.dataset.extensionId;
+      const previewButton = card.querySelector(".resource-preview") as HTMLElement | null;
+      if (extensionId) {
+        openDetailsModal(extensionId, undefined, previewButton || undefined);
+      }
+    }
+  });
+
+  document.addEventListener("click", async (event) => {
+    const target = event.target as HTMLElement;
+    const detailsInstallButton = target.closest(
+      "#extension-details-install"
+    ) as HTMLButtonElement | null;
+    if (detailsInstallButton) {
+      const installUrl = detailsInstallButton.dataset.installUrl || "";
+      if (!installUrl) {
+        showToast("No install URL available for this extension", "error");
+        return;
+      }
+
+      const success = await copyToClipboard(installUrl);
+      showToast(
+        success ? "Install URL copied!" : "Failed to copy install URL",
+        success ? "success" : "error"
+      );
+      return;
+    }
+
+    const button = target.closest(
+      ".extension-details-thumbnail-btn"
+    ) as HTMLButtonElement | null;
+    if (!button) return;
+
+    const imageUrl = button.dataset.galleryImageUrl;
+    const titleText = document.getElementById("modal-title")?.textContent;
+    if (!imageUrl || !titleText) return;
+    setSelectedGalleryImage(imageUrl, titleText);
   });
 
   actionHandlersReady = true;
@@ -180,6 +394,11 @@ export async function initExtensionsPage(): Promise<void> {
     "sort-select"
   ) as HTMLSelectElement;
 
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
+
   setupActionHandlers(list as HTMLElement | null);
 
   const data = await fetchData<ExtensionsData>("extensions.json");
@@ -191,6 +410,7 @@ export async function initExtensionsPage(): Promise<void> {
   }
 
   allItems = data.items;
+  extensionById = new Map(allItems.map((item) => [item.id, item]));
 
   const availableKeywords = (
     data.filters?.keywords ||

website/src/scripts/pages/hooks-render.ts

@@ -3,6 +3,7 @@ import {
   getGitHubUrl,
   getLastUpdatedHtml,
 } from "../utils";
+import { renderEmptyStateHtml, renderSharedCardHtml } from "./card-render";
 
 export interface RenderableHook {
   id: string;
@@ -35,70 +36,55 @@ export function sortHooks<T extends RenderableHook>(
 
 export function renderHooksHtml(items: RenderableHook[]): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml("No hooks found", "Try adjusting the selected filters.");
-      <div class="empty-state">
-        <h3>No hooks found</h3>
-        <p>Try adjusting the selected filters.</p>
-      </div>
-    `;
   }
 
   return items
     .map((item) => {
-      return `
+      const metaHtml = `
-        <article class="resource-item" data-path="${escapeHtml(
+        ${item.hooks
-          item.readmeFile
+          .map(
-        )}" data-hook-id="${escapeHtml(item.id)}" role="listitem">
+            (hook) => `<span class="resource-tag tag-hook">${escapeHtml(hook)}</span>`
-          <button type="button" class="resource-preview">
+          )
-            <div class="resource-info">
+          .join("")}
-              <div class="resource-title">${escapeHtml(item.title)}</div>
+        ${item.tags
-              <div class="resource-description">${escapeHtml(
+          .map((tag) => `<span class="resource-tag tag-tag">${escapeHtml(tag)}</span>`)
-                item.description || "No description"
+          .join("")}
-              )}</div>
+        ${
-              <div class="resource-meta">
+          item.assets.length > 0
-                ${item.hooks
+            ? `<span class="resource-tag tag-assets">${item.assets.length} asset${
-                  .map(
+                item.assets.length === 1 ? "" : "s"
-                    (hook) =>
+              }</span>`
-                      `<span class="resource-tag tag-hook">${escapeHtml(
+            : ""
-                        hook
+        }
-                      )}</span>`
+        ${getLastUpdatedHtml(item.lastUpdated)}
-                  )
-                  .join("")}
-                ${item.tags
-                  .map(
-                    (tag) =>
-                      `<span class="resource-tag tag-tag">${escapeHtml(
-                        tag
-                      )}</span>`
-                  )
-                  .join("")}
-                ${
-                  item.assets.length > 0
-                    ? `<span class="resource-tag tag-assets">${
-                        item.assets.length
-                      } asset${item.assets.length === 1 ? "" : "s"}</span>`
-                    : ""
-                }
-                ${getLastUpdatedHtml(item.lastUpdated)}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            <button class="btn btn-primary download-hook-btn" data-hook-id="${escapeHtml(
-              item.id
-            )}" title="Download as ZIP">
-              <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor">
-                <path d="M2.75 14A1.75 1.75 0 0 1 1 12.25v-2.5a.75.75 0 0 1 1.5 0v2.5c0 .138.112.25.25.25h10.5a.25.25 0 0 0 .25-.25v-2.5a.75.75 0 0 1 1.5 0v2.5A1.75 1.75 0 0 1 13.25 14Z"/>
-                <path d="M7.25 7.689V2a.75.75 0 0 1 1.5 0v5.689l1.97-1.969a.749.749 0 1 1 1.06 1.06l-3.25 3.25a.749.749 0 0 1-1.06 0L4.22 6.78a.749.749 0 1 1 1.06-1.06l1.97 1.969Z"/>
-              </svg>
-              Download
-            </button>
-            <a href="${getGitHubUrl(
-              item.path
-            )}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        <button class="btn btn-primary download-hook-btn" data-hook-id="${escapeHtml(
+          item.id
+        )}" title="Download as ZIP">
+          <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor">
+            <path d="M2.75 14A1.75 1.75 0 0 1 1 12.25v-2.5a.75.75 0 0 1 1.5 0v2.5c0 .138.112.25.25.25h10.5a.25.25 0 0 0 .25-.25v-2.5a.75.75 0 0 1 1.5 0v2.5A1.75 1.75 0 0 1 13.25 14Z"/>
+            <path d="M7.25 7.689V2a.75.75 0 0 1 1.5 0v5.689l1.97-1.969a.749.749 0 1 1 1.06 1.06l-3.25 3.25a.749.749 0 0 1-1.06 0L4.22 6.78a.749.749 0 1 1 1.06-1.06l1.97 1.969Z"/>
+          </svg>
+          Download
+        </button>
+        <a href="${getGitHubUrl(
+          item.path
+        )}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.title,
+        description: item.description || "No description",
+        articleAttributes: {
+          "data-path": item.readmeFile,
+          "data-hook-id": item.id,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join("");
 }

website/src/scripts/pages/hooks.ts

@@ -2,26 +2,23 @@
  * Hooks page functionality
  */
 import {
-  createChoices,
+  escapeHtml,
-  getChoicesValues,
-  setChoicesValues,
-  type Choices,
-} from "../choices";
-import {
   fetchData,
+  formatRelativeTime,
   getQueryParam,
   getQueryParamValues,
   showToast,
   downloadZipBundle,
   updateQueryParams,
-} from "../utils";
+} from '../utils';
-import { setupModal, openFileModal } from "../modal";
+import { openCardDetailsModal, setupModal } from '../modal';
+import { clearSelectValues, getSelectValues, setSelectValues } from './select-utils';
 import {
   renderHooksHtml,
   sortHooks,
   type HookSortOption,
   type RenderableHook,
-} from "./hooks-render";
+} from './hooks-render';
 
 interface Hook extends RenderableHook {}
 
@@ -32,96 +29,54 @@ interface HooksData {
   };
 }
 
-const resourceType = "hook";
 let allItems: Hook[] = [];
-let tagSelect: Choices;
+let hookById = new Map<string, Hook>();
+let tagSelectEl: HTMLSelectElement | null = null;
 let currentFilters = {
   tags: [] as string[],
 };
-let currentSort: HookSortOption = "title";
+let currentSort: HookSortOption = 'title';
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function sortItems(items: Hook[]): Hook[] {
   return sortHooks(items, currentSort);
 }
 
 function applyFiltersAndRender(): void {
-  const countEl = document.getElementById("results-count");
+  const countEl = document.getElementById('results-count');
   let results = [...allItems];
 
   if (currentFilters.tags.length > 0) {
-    results = results.filter((item) =>
+    results = results.filter((item) => item.tags.some((tag) => currentFilters.tags.includes(tag)));
-      item.tags.some((tag) => currentFilters.tags.includes(tag))
-    );
   }
 
   results = sortItems(results);
 
   renderItems(results);
-  let countText = `${results.length} hook${results.length === 1 ? "" : "s"}`;
+  let countText = `${results.length} hook${results.length === 1 ? '' : 's'}`;
   if (currentFilters.tags.length > 0) {
-    countText = `${results.length} of ${allItems.length} hooks (filtered by ${currentFilters.tags.length} tag${currentFilters.tags.length > 1 ? "s" : ""})`;
+    countText = `${results.length} of ${allItems.length} hooks (filtered by ${currentFilters.tags.length} tag${currentFilters.tags.length > 1 ? 's' : ''})`;
   }
   if (countEl) countEl.textContent = countText;
 }
 
 function renderItems(items: Hook[]): void {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
   if (!list) return;
 
   list.innerHTML = renderHooksHtml(items);
 }
 
-function setupResourceListHandlers(list: HTMLElement | null): void {
+async function downloadHook(hookId: string, btn: HTMLButtonElement): Promise<void> {
-  if (!list || resourceListHandlersReady) return;
-
-  list.addEventListener("click", (event) => {
-    const target = event.target as HTMLElement;
-    const downloadButton = target.closest(
-      ".download-hook-btn"
-    ) as HTMLButtonElement | null;
-    if (downloadButton) {
-      event.stopPropagation();
-      const hookId = downloadButton.dataset.hookId;
-      if (hookId) downloadHook(hookId, downloadButton);
-      return;
-    }
-
-    if (target.closest(".resource-actions")) {
-      return;
-    }
-
-    const item = target.closest(".resource-item") as HTMLElement | null;
-    const path = item?.dataset.path;
-    if (path) {
-      openFileModal(path, resourceType);
-    }
-  });
-
-  resourceListHandlersReady = true;
-}
-
-function syncUrlState(): void {
-  updateQueryParams({
-    q: "",
-    hook: [],
-    tag: currentFilters.tags,
-    sort: currentSort === "title" ? "" : currentSort,
-  });
-}
-
-async function downloadHook(
-  hookId: string,
-  btn: HTMLButtonElement
-): Promise<void> {
   const hook = allItems.find((item) => item.id === hookId);
   if (!hook) {
-    showToast("Hook not found.", "error");
+    showToast('Hook not found.', 'error');
     return;
   }
 
   const files = [
-    { name: "README.md", path: hook.readmeFile },
+    { name: 'README.md', path: hook.readmeFile },
     ...hook.assets.map((asset) => ({
       name: asset,
       path: `${hook.path}/${asset}`,
@@ -129,30 +84,26 @@ async function downloadHook(
   ];
 
   if (files.length === 0) {
-    showToast("No files found for this hook.", "error");
+    showToast('No files found for this hook.', 'error');
     return;
   }
 
   const originalContent = btn.innerHTML;
   btn.disabled = true;
-  btn.innerHTML =
+  btn.innerHTML = '<svg class="spinner" viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M8 0a8 8 0 1 0 8 8h-1.5A6.5 6.5 0 1 1 8 1.5V0z"/></svg> Preparing...';
-    '<svg class="spinner" viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M8 0a8 8 0 1 0 8 8h-1.5A6.5 6.5 0 1 1 8 1.5V0z"/></svg> Preparing...';
 
   try {
     await downloadZipBundle(hook.id, files);
 
-    btn.innerHTML =
+    btn.innerHTML = '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Downloaded!';
-      '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Downloaded!';
     setTimeout(() => {
       btn.disabled = false;
       btn.innerHTML = originalContent;
     }, 2000);
   } catch (error) {
-    const message =
+    const message = error instanceof Error ? error.message : 'Download failed.';
-      error instanceof Error ? error.message : "Download failed.";
+    showToast(message, 'error');
-    showToast(message, "error");
+    btn.innerHTML = '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.75.75 0 1 1 1.06 1.06L9.06 8l3.22 3.22a.75.75 0 0 1-1.06 1.06L8 9.06l-3.22 3.22a.75.75 0 0 1-1.06-1.06L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06z"/></svg> Failed';
-    btn.innerHTML =
-      '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.75.75 0 1 1 1.06 1.06L9.06 8l3.22 3.22a.75.75 0 0 1-1.06 1.06L8 9.06l-3.22 3.22a.75.75 0 0 1-1.06-1.06L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06z"/></svg> Failed';
     setTimeout(() => {
       btn.disabled = false;
       btn.innerHTML = originalContent;
@@ -160,73 +111,171 @@ async function downloadHook(
   }
 }
 
+function openHookDetailsModal(hookId: string, trigger?: HTMLElement): void {
+  const item = hookById.get(hookId);
+  if (!item) {
+    return;
+  }
+
+  const metaParts = item.hooks.map(
+    (hookName) => `<span class="resource-tag tag-hook">${escapeHtml(hookName)}</span>`
+  );
+
+  if (item.assets.length > 0) {
+    metaParts.push(
+      `<span class="resource-tag tag-assets">${item.assets.length} asset${
+        item.assets.length === 1 ? '' : 's'
+      }</span>`
+    );
+  }
+
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const tagHtml = item.tags
+    .map((tagText) => `<span class="resource-tag tag-tag">${escapeHtml(tagText)}</span>`)
+    .join('');
+
+  const actionsHtml = `
+    <button id="hook-details-download" class="btn btn-primary" type="button" data-hook-id="${escapeHtml(
+      item.id
+    )}">Download</button>
+    <button class="btn btn-secondary" type="button" data-open-file-path="${escapeHtml(
+      item.readmeFile
+    )}" data-open-file-type="hook">Source</button>
+  `;
+
+  openCardDetailsModal({
+    title: item.title,
+    description: item.description || 'No description',
+    previewIcon: '🪝',
+    previewText: 'Hook events and download options',
+    metaHtml: metaParts.join(''),
+    tagsHtml: tagHtml,
+    actionsHtml,
+    trigger,
+  });
+}
+
+function setupResourceListHandlers(list: HTMLElement | null): void {
+  if (!list || resourceListHandlersReady) return;
+
+  list.addEventListener('click', (event) => {
+    const target = event.target as HTMLElement;
+    const downloadButton = target.closest('.download-hook-btn') as HTMLButtonElement | null;
+    if (downloadButton) {
+      event.stopPropagation();
+      const hookId = downloadButton.dataset.hookId;
+      if (hookId) downloadHook(hookId, downloadButton);
+      return;
+    }
+
+    if (target.closest('.resource-actions')) {
+      return;
+    }
+
+    const item = target.closest('.resource-item') as HTMLElement | null;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
+    const hookId = item?.dataset.hookId;
+    if (hookId) {
+      openHookDetailsModal(hookId, button);
+    }
+  });
+
+  document.addEventListener('click', (event) => {
+    const target = event.target as HTMLElement;
+    const modalDownloadButton = target.closest(
+      '#hook-details-download'
+    ) as HTMLButtonElement | null;
+    if (!modalDownloadButton) return;
+    const hookId = modalDownloadButton.dataset.hookId;
+    if (hookId) downloadHook(hookId, modalDownloadButton);
+  });
+
+  resourceListHandlersReady = true;
+}
+
+function syncUrlState(): void {
+  updateQueryParams({
+    q: '',
+    hook: [],
+    tag: currentFilters.tags,
+    sort: currentSort === 'title' ? '' : currentSort,
+  });
+}
+
 export async function initHooksPage(): Promise<void> {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
-  const clearFiltersBtn = document.getElementById("clear-filters");
+  const clearFiltersBtn = document.getElementById('clear-filters');
-  const sortSelect = document.getElementById(
+  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement | null;
-    "sort-select"
+
-  ) as HTMLSelectElement;
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
 
   setupResourceListHandlers(list as HTMLElement | null);
 
-  const data = await fetchData<HooksData>("hooks.json");
+  const data = await fetchData<HooksData>('hooks.json');
   if (!data || !data.items) {
-    if (list)
+    if (list) list.innerHTML = '<div class="empty-state"><h3>Failed to load data</h3></div>';
-      list.innerHTML =
-        '<div class="empty-state"><h3>Failed to load data</h3></div>';
     return;
   }
 
   allItems = data.items;
+  hookById = new Map(allItems.map((item) => [item.id, item]));
 
-  tagSelect = createChoices("#filter-tag", {
+  tagSelectEl = document.getElementById('filter-tag') as HTMLSelectElement | null;
-    placeholderValue: "All Tags",
+  if (tagSelectEl) {
-  });
+    tagSelectEl.innerHTML = '';
-  tagSelect.setChoices(
+    data.filters.tags.forEach((tag) => {
-    data.filters.tags.map((tag) => ({ value: tag, label: tag })),
+      const option = document.createElement('option');
-    "value",
+      option.value = tag;
-    "label",
+      option.textContent = tag;
-    true
+      tagSelectEl?.appendChild(option);
-  );
+    });
+  }
 
-  const initialTags = getQueryParamValues("tag").filter((tag) =>
+  const initialTags = getQueryParamValues('tag').filter((tag) => data.filters.tags.includes(tag));
-    data.filters.tags.includes(tag)
+  const initialSort = getQueryParam('sort');
-  );
-  const initialSort = getQueryParam("sort");
 
   if (initialTags.length > 0) {
     currentFilters.tags = initialTags;
-    setChoicesValues(tagSelect, initialTags);
+    setSelectValues(tagSelectEl, initialTags);
   }
-  if (initialSort === "lastUpdated") {
+  if (initialSort === 'lastUpdated') {
     currentSort = initialSort;
     if (sortSelect) sortSelect.value = initialSort;
   }
 
-  document.getElementById("filter-tag")?.addEventListener("change", () => {
+  tagSelectEl?.addEventListener('change', () => {
-    currentFilters.tags = getChoicesValues(tagSelect);
+    currentFilters.tags = getSelectValues(tagSelectEl);
     applyFiltersAndRender();
     syncUrlState();
   });
 
-  sortSelect?.addEventListener("change", () => {
+  sortSelect?.addEventListener('change', () => {
     currentSort = sortSelect.value as HookSortOption;
     applyFiltersAndRender();
     syncUrlState();
   });
 
-  clearFiltersBtn?.addEventListener("click", () => {
+  clearFiltersBtn?.addEventListener('click', () => {
     currentFilters = { tags: [] };
-    currentSort = "title";
+    currentSort = 'title';
-    tagSelect.removeActiveItems();
+    clearSelectValues(tagSelectEl);
-    if (sortSelect) sortSelect.value = "title";
+    if (sortSelect) sortSelect.value = 'title';
     applyFiltersAndRender();
     syncUrlState();
   });
 
   applyFiltersAndRender();
-  setupModal();
 }
 
 // Auto-initialize when DOM is ready
-document.addEventListener("DOMContentLoaded", initHooksPage);
+document.addEventListener('DOMContentLoaded', initHooksPage);

website/src/scripts/pages/instructions-render.ts

@@ -5,6 +5,7 @@ import {
   getInstallDropdownHtml,
   getLastUpdatedHtml,
 } from '../utils';
+import { renderEmptyStateHtml, renderSharedCardHtml } from './card-render';
 
 export interface RenderableInstruction {
   title: string;
@@ -36,12 +37,7 @@ export function renderInstructionsHtml(
   items: RenderableInstruction[]
 ): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml('No instructions found', 'Try adjusting the selected filters.');
-      <div class="empty-state">
-        <h3>No instructions found</h3>
-        <p>Try adjusting the selected filters.</p>
-      </div>
-    `;
   }
 
   return items
@@ -50,29 +46,30 @@ export function renderInstructionsHtml(
         ? item.applyTo.join(', ')
         : item.applyTo;
 
-      return `
+      const metaHtml = `
-        <article class="resource-item" data-path="${escapeHtml(item.path)}" role="listitem">
+        ${applyToText ? `<span class="resource-tag">applies to: ${escapeHtml(applyToText)}</span>` : ''}
-          <button type="button" class="resource-preview">
+        ${item.extensions?.slice(0, 4).map((extension) => `<span class="resource-tag tag-extension">${escapeHtml(extension)}</span>`).join('') || ''}
-            <div class="resource-info">
+        ${item.extensions && item.extensions.length > 4 ? `<span class="resource-tag">+${item.extensions.length - 4} more</span>` : ''}
-              <div class="resource-title">${escapeHtml(item.title)}</div>
+        ${getLastUpdatedHtml(item.lastUpdated)}
-              <div class="resource-description">${escapeHtml(item.description || 'No description')}</div>
-              <div class="resource-meta">
-                ${applyToText ? `<span class="resource-tag">applies to: ${escapeHtml(applyToText)}</span>` : ''}
-                ${item.extensions?.slice(0, 4).map((extension) => `<span class="resource-tag tag-extension">${escapeHtml(extension)}</span>`).join('') || ''}
-                ${item.extensions && item.extensions.length > 4 ? `<span class="resource-tag">+${item.extensions.length - 4} more</span>` : ''}
-                ${getLastUpdatedHtml(item.lastUpdated)}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            ${getInstallDropdownHtml('instructions', item.path, true)}
-            ${getActionButtonsHtml(item.path, true)}
-            <a href="${getGitHubUrl(item.path)}" class="btn btn-secondary btn-small" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">
-              GitHub
-            </a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        ${getInstallDropdownHtml('instructions', item.path, true)}
+        ${getActionButtonsHtml(item.path, true)}
+        <a href="${getGitHubUrl(item.path)}" class="btn btn-secondary btn-small" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">
+          GitHub
+        </a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.title,
+        description: item.description || 'No description',
+        articleAttributes: {
+          'data-path': item.path,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join('');
 }

website/src/scripts/pages/instructions.ts

@@ -2,20 +2,18 @@
  * Instructions page functionality
  */
 import {
-  createChoices,
+  escapeHtml,
-  getChoicesValues,
-  setChoicesValues,
-  type Choices,
-} from '../choices';
-import {
   fetchData,
+  formatRelativeTime,
   getQueryParam,
   getQueryParamValues,
-  setupDropdownCloseHandlers,
+  getVSCodeInstallUrl,
   setupActionHandlers,
+  setupDropdownCloseHandlers,
   updateQueryParams,
 } from '../utils';
-import { setupModal, openFileModal } from '../modal';
+import { openCardDetailsModal, setupModal } from '../modal';
+import { clearSelectValues, getSelectValues, setSelectValues } from './select-utils';
 import {
   renderInstructionsHtml,
   sortInstructions,
@@ -37,12 +35,13 @@ interface InstructionsData {
   };
 }
 
-const resourceType = 'instruction';
 let allItems: Instruction[] = [];
-let extensionSelect: Choices;
+let instructionByPath = new Map<string, Instruction>();
+let extensionSelectEl: HTMLSelectElement | null = null;
 let currentFilters = { extensions: [] as string[] };
 let currentSort: InstructionSortOption = 'title';
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function sortItems(items: Instruction[]): Instruction[] {
   return sortInstructions(items, currentSort);
@@ -53,11 +52,14 @@ function applyFiltersAndRender(): void {
   let results = [...allItems];
 
   if (currentFilters.extensions.length > 0) {
-    results = results.filter(item => {
+    results = results.filter((item) => {
-      if (currentFilters.extensions.includes('(none)') && (!item.extensions || item.extensions.length === 0)) {
+      if (
+        currentFilters.extensions.includes('(none)') &&
+        (!item.extensions || item.extensions.length === 0)
+      ) {
         return true;
       }
-      return item.extensions?.some(ext => currentFilters.extensions.includes(ext));
+      return item.extensions?.some((ext) => currentFilters.extensions.includes(ext));
     });
   }
 
@@ -78,6 +80,53 @@ function renderItems(items: Instruction[]): void {
   list.innerHTML = renderInstructionsHtml(items);
 }
 
+function openInstructionDetailsModal(path: string, trigger?: HTMLElement): void {
+  const item = instructionByPath.get(path);
+  if (!item) {
+    return;
+  }
+
+  const metaParts: string[] = [];
+  const applyToText = Array.isArray(item.applyTo) ? item.applyTo.join(', ') : item.applyTo;
+  if (applyToText) {
+    metaParts.push(`<span class="resource-tag">applies to: ${escapeHtml(applyToText)}</span>`);
+  }
+
+  metaParts.push(
+    ...(item.extensions || []).map(
+      (extension) => `<span class="resource-tag tag-extension">${escapeHtml(extension)}</span>`
+    )
+  );
+
+  if (item.lastUpdated) {
+    metaParts.push(`<span class="last-updated">Updated ${escapeHtml(formatRelativeTime(item.lastUpdated))}</span>`);
+  }
+
+  const vscodeUrl = getVSCodeInstallUrl('instructions', path, false);
+  const insidersUrl = getVSCodeInstallUrl('instructions', path, true);
+  const actions = [
+    vscodeUrl
+      ? `<a class="btn btn-primary btn-small" href="${escapeHtml(vscodeUrl)}" target="_blank" rel="noopener noreferrer">Install (VS Code)</a>`
+      : '',
+    insidersUrl
+      ? `<a class="btn btn-secondary btn-small" href="${escapeHtml(insidersUrl)}" target="_blank" rel="noopener noreferrer">Install (Insiders)</a>`
+      : '',
+    `<button class="btn btn-secondary btn-small" type="button" data-open-file-path="${escapeHtml(
+      path
+    )}" data-open-file-type="instruction">Source</button>`,
+  ].filter(Boolean);
+
+  openCardDetailsModal({
+    title: item.title,
+    description: item.description || 'No description',
+    previewIcon: '📋',
+    previewText: 'Instruction metadata and install options',
+    metaHtml: metaParts.join(''),
+    actionsHtml: actions.join(''),
+    trigger,
+  });
+}
+
 function setupResourceListHandlers(list: HTMLElement | null): void {
   if (!list || resourceListHandlersReady) return;
 
@@ -88,9 +137,10 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
     }
 
     const item = target.closest('.resource-item') as HTMLElement | null;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
     const path = item?.dataset.path;
     if (path) {
-      openFileModal(path, resourceType);
+      openInstructionDetailsModal(path, button);
     }
   });
 
@@ -108,7 +158,12 @@ function syncUrlState(): void {
 export async function initInstructionsPage(): Promise<void> {
   const list = document.getElementById('resource-list');
   const clearFiltersBtn = document.getElementById('clear-filters');
-  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement;
+  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement | null;
+
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
 
   setupResourceListHandlers(list as HTMLElement | null);
 
@@ -119,24 +174,33 @@ export async function initInstructionsPage(): Promise<void> {
   }
 
   allItems = data.items;
+  instructionByPath = new Map(allItems.map((item) => [item.path, item]));
 
-  extensionSelect = createChoices('#filter-extension', { placeholderValue: 'All Extensions' });
+  extensionSelectEl = document.getElementById('filter-extension') as HTMLSelectElement | null;
-  extensionSelect.setChoices(data.filters.extensions.map(e => ({ value: e, label: e })), 'value', 'label', true);
+  if (extensionSelectEl) {
+    extensionSelectEl.innerHTML = '';
+    data.filters.extensions.forEach((ext) => {
+      const option = document.createElement('option');
+      option.value = ext;
+      option.textContent = ext;
+      extensionSelectEl?.appendChild(option);
+    });
+  }
 
-  const initialExtensions = getQueryParamValues('extension').filter(extension => data.filters.extensions.includes(extension));
+  const initialExtensions = getQueryParamValues('extension').filter((extension) => data.filters.extensions.includes(extension));
   const initialSort = getQueryParam('sort');
 
   if (initialExtensions.length > 0) {
     currentFilters.extensions = initialExtensions;
-    setChoicesValues(extensionSelect, initialExtensions);
+    setSelectValues(extensionSelectEl, initialExtensions);
   }
   if (initialSort === 'lastUpdated') {
     currentSort = initialSort;
     if (sortSelect) sortSelect.value = initialSort;
   }
 
-  document.getElementById('filter-extension')?.addEventListener('change', () => {
+  extensionSelectEl?.addEventListener('change', () => {
-    currentFilters.extensions = getChoicesValues(extensionSelect);
+    currentFilters.extensions = getSelectValues(extensionSelectEl);
     applyFiltersAndRender();
     syncUrlState();
   });
@@ -150,14 +214,13 @@ export async function initInstructionsPage(): Promise<void> {
   clearFiltersBtn?.addEventListener('click', () => {
     currentFilters = { extensions: [] };
     currentSort = 'title';
-    extensionSelect.removeActiveItems();
+    clearSelectValues(extensionSelectEl);
     if (sortSelect) sortSelect.value = 'title';
     applyFiltersAndRender();
     syncUrlState();
   });
 
   applyFiltersAndRender();
-  setupModal();
   setupDropdownCloseHandlers();
   setupActionHandlers();
 }

website/src/scripts/pages/plugins-render.ts

@@ -3,6 +3,7 @@ import {
   getGitHubUrl,
   sanitizeUrl,
 } from '../utils';
+import { renderEmptyStateHtml, renderSharedCardHtml } from './card-render';
 
 interface PluginAuthor {
   name: string;
@@ -57,12 +58,7 @@ function getExternalPluginUrl(plugin: RenderablePlugin): string {
 
 export function renderPluginsHtml(items: RenderablePlugin[]): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml('No plugins found', 'Try different tags or clear the current filters');
-      <div class="empty-state">
-        <h3>No plugins found</h3>
-        <p>Try different tags or clear the current filters</p>
-      </div>
-    `;
   }
 
   return items
@@ -78,25 +74,27 @@ export function renderPluginsHtml(items: RenderablePlugin[]): string {
       const githubHref = isExternal
         ? escapeHtml(getExternalPluginUrl(item))
         : getGitHubUrl(item.path);
-      return `
+      const metaHtml = `
-        <article class="resource-item${isExternal ? ' resource-item-external' : ''}" data-path="${escapeHtml(item.path)}" role="listitem">
+        ${metaTag}
-          <button type="button" class="resource-preview">
+        ${authorTag}
-            <div class="resource-info">
+        ${item.tags?.slice(0, 4).map((tag) => `<span class="resource-tag">${escapeHtml(tag)}</span>`).join('') || ''}
-              <div class="resource-title">${escapeHtml(item.name)}</div>
+        ${item.tags && item.tags.length > 4 ? `<span class="resource-tag">+${item.tags.length - 4} more</span>` : ''}
-              <div class="resource-description">${escapeHtml(item.description || 'No description')}</div>
-              <div class="resource-meta">
-                ${metaTag}
-                ${authorTag}
-                ${item.tags?.slice(0, 4).map((tag) => `<span class="resource-tag">${escapeHtml(tag)}</span>`).join('') || ''}
-                ${item.tags && item.tags.length > 4 ? `<span class="resource-tag">+${item.tags.length - 4} more</span>` : ''}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            <a href="${githubHref}" class="btn btn-secondary" target="_blank" rel="noopener noreferrer" onclick="event.stopPropagation()" title="${isExternal ? 'View repository' : 'View on GitHub'}">${isExternal ? 'Repository' : 'GitHub'}</a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        <a href="${githubHref}" class="btn btn-secondary" target="_blank" rel="noopener noreferrer" onclick="event.stopPropagation()" title="${isExternal ? 'View repository' : 'View on GitHub'}">${isExternal ? 'Repository' : 'GitHub'}</a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.name,
+        description: item.description || 'No description',
+        articleClassName: isExternal ? 'resource-item-external' : '',
+        articleAttributes: {
+          'data-path': item.path,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join('');
 }

website/src/scripts/pages/plugins.ts

@@ -2,18 +2,18 @@
  * Plugins page functionality
  */
 import {
-  createChoices,
+  copyToClipboard,
-  getChoicesValues,
+  escapeHtml,
-  setChoicesValues,
-  type Choices,
-} from '../choices';
-import {
   fetchData,
+  formatRelativeTime,
+  getGitHubUrl,
   getQueryParam,
   getQueryParamValues,
+  showToast,
   updateQueryParams,
 } from '../utils';
-import { setupModal, openFileModal } from '../modal';
+import { openCardDetailsModal, setupModal } from '../modal';
+import { clearSelectValues, getSelectValues, setSelectValues } from './select-utils';
 import {
   renderPluginsHtml,
   sortPlugins,
@@ -32,12 +32,18 @@ interface PluginSource {
   path?: string;
 }
 
+interface PluginItem {
+  kind: string;
+  path: string;
+}
+
 interface Plugin extends RenderablePlugin {
   id: string;
   name: string;
   path: string;
   tags?: string[];
   itemCount: number;
+  items?: PluginItem[];
   external?: boolean;
   repository?: string | null;
   homepage?: string | null;
@@ -53,14 +59,15 @@ interface PluginsData {
   };
 }
 
-const resourceType = 'plugin';
 let allItems: Plugin[] = [];
-let tagSelect: Choices;
+let pluginByPath = new Map<string, Plugin>();
+let tagSelectEl: HTMLSelectElement | null = null;
 let currentSort: PluginSortOption = 'title';
 let currentFilters = {
   tags: [] as string[],
 };
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function sortItems(items: Plugin[]): Plugin[] {
   return sortPlugins(items, currentSort);
@@ -79,7 +86,7 @@ function applyFiltersAndRender(): void {
   let results = [...allItems];
 
   if (currentFilters.tags.length > 0) {
-    results = results.filter(item => item.tags?.some(tag => currentFilters.tags.includes(tag)));
+    results = results.filter((item) => item.tags?.some((tag) => currentFilters.tags.includes(tag)));
   }
 
   results = sortItems(results);
@@ -95,6 +102,87 @@ function renderItems(items: Plugin[]): void {
   list.innerHTML = renderPluginsHtml(items);
 }
 
+function getPluginRepositoryUrl(item: Plugin): string {
+  if (item.external && item.repository) return item.repository;
+  if (item.homepage) return item.homepage;
+  if (item.repository) return item.repository;
+  return getGitHubUrl(item.path);
+}
+
+function getPluginItemLabel(item: PluginItem): string {
+  const normalizedPath = item.path.replace(/^\.\//, '');
+  return `${item.kind}: ${normalizedPath}`;
+}
+
+function openPluginDetailsModal(path: string, trigger?: HTMLElement): void {
+  const item = pluginByPath.get(path);
+  if (!item) {
+    return;
+  }
+
+  const metaParts: string[] = [];
+  metaParts.push(
+    `<span class="resource-tag">${
+      item.external ? 'External plugin' : `${item.itemCount} items`
+    }</span>`
+  );
+
+  if (item.author?.name) {
+    metaParts.push(`<span class="resource-tag">by ${escapeHtml(item.author.name)}</span>`);
+  }
+
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const tagHtml = (item.tags || [])
+    .map((tagText) => `<span class="resource-tag">${escapeHtml(tagText)}</span>`)
+    .join('');
+
+  const includedItems = item.items || [];
+  const includedItemHtml = includedItems
+    .slice(0, 24)
+    .map(
+      (pluginItem) =>
+        `<span class="resource-tag tag-plugin-item">${escapeHtml(getPluginItemLabel(pluginItem))}</span>`
+    )
+    .join('');
+  const includedMoreHtml =
+    includedItems.length > 24
+      ? `<span class="resource-tag">+${includedItems.length - 24} more</span>`
+      : '';
+
+  const actions = [
+    item.external
+      ? ''
+      : `<button id="plugin-details-install" class="btn btn-primary" type="button" data-plugin-name="${escapeHtml(
+          item.name
+        )}">Copy Install</button>`,
+    item.external
+      ? `<a class="btn btn-secondary" href="${escapeHtml(
+          getPluginRepositoryUrl(item)
+        )}" target="_blank" rel="noopener noreferrer">Repository</a>`
+      : `<button class="btn btn-secondary" type="button" data-open-file-path="${escapeHtml(
+          item.path
+        )}" data-open-file-type="plugin">Source</button>`,
+  ].filter(Boolean);
+
+  openCardDetailsModal({
+    title: item.name,
+    description: item.description || 'No description',
+    previewIcon: '🔌',
+    previewText: 'Plugin metadata and install options',
+    metaHtml: metaParts.join(''),
+    tagsHtml: [tagHtml, includedItemHtml, includedMoreHtml].filter(Boolean).join(''),
+    actionsHtml: actions.join(''),
+    trigger,
+  });
+}
+
 function setupResourceListHandlers(list: HTMLElement | null): void {
   if (!list || resourceListHandlersReady) return;
 
@@ -105,12 +193,26 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
     }
 
     const item = target.closest('.resource-item') as HTMLElement | null;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
     const path = item?.dataset.path;
     if (path) {
-      openFileModal(path, resourceType);
+      openPluginDetailsModal(path, button);
     }
   });
 
+  document.addEventListener('click', async (event) => {
+    const target = event.target as HTMLElement;
+    const installButton = target.closest(
+      '#plugin-details-install'
+    ) as HTMLButtonElement | null;
+    if (!installButton) return;
+    const pluginName = installButton.dataset.pluginName || '';
+    if (!pluginName) return;
+    const command = `copilot plugin install ${pluginName}@awesome-copilot`;
+    const success = await copyToClipboard(command);
+    showToast(success ? 'Install command copied!' : 'Failed to copy', success ? 'success' : 'error');
+  });
+
   resourceListHandlersReady = true;
 }
 
@@ -125,7 +227,12 @@ function syncUrlState(): void {
 export async function initPluginsPage(): Promise<void> {
   const list = document.getElementById('resource-list');
   const clearFiltersBtn = document.getElementById('clear-filters');
-  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement;
+  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement | null;
+
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
 
   setupResourceListHandlers(list as HTMLElement | null);
 
@@ -136,20 +243,29 @@ export async function initPluginsPage(): Promise<void> {
   }
 
   allItems = data.items;
+  pluginByPath = new Map(allItems.map((item) => [item.path, item]));
 
-  tagSelect = createChoices('#filter-tag', { placeholderValue: 'All Tags' });
+  tagSelectEl = document.getElementById('filter-tag') as HTMLSelectElement | null;
-  tagSelect.setChoices(data.filters.tags.map(t => ({ value: t, label: t })), 'value', 'label', true);
+  if (tagSelectEl) {
+    tagSelectEl.innerHTML = '';
+    data.filters.tags.forEach((tag) => {
+      const option = document.createElement('option');
+      option.value = tag;
+      option.textContent = tag;
+      tagSelectEl?.appendChild(option);
+    });
+  }
 
-  const initialTags = getQueryParamValues('tag').filter(tag => data.filters.tags.includes(tag));
+  const initialTags = getQueryParamValues('tag').filter((tag) => data.filters.tags.includes(tag));
   const initialSort = getQueryParam('sort');
 
   if (initialTags.length > 0) {
     currentFilters.tags = initialTags;
-    setChoicesValues(tagSelect, initialTags);
+    setSelectValues(tagSelectEl, initialTags);
   }
 
-  document.getElementById('filter-tag')?.addEventListener('change', () => {
+  tagSelectEl?.addEventListener('change', () => {
-    currentFilters.tags = getChoicesValues(tagSelect);
+    currentFilters.tags = getSelectValues(tagSelectEl);
     applyFiltersAndRender();
     syncUrlState();
   });
@@ -167,7 +283,7 @@ export async function initPluginsPage(): Promise<void> {
   clearFiltersBtn?.addEventListener('click', () => {
     currentFilters = { tags: [] };
     currentSort = 'title';
-    tagSelect.removeActiveItems();
+    clearSelectValues(tagSelectEl);
     if (sortSelect) sortSelect.value = 'title';
     applyFiltersAndRender();
     syncUrlState();
@@ -175,7 +291,6 @@ export async function initPluginsPage(): Promise<void> {
 
   applyFiltersAndRender();
   syncUrlState();
-  setupModal();
 }
 
 // Auto-initialize when DOM is ready

website/src/scripts/pages/select-utils.ts

@@ -0,0 +1,19 @@
+export function getSelectValues(select: HTMLSelectElement | null): string[] {
+  if (!select) return [];
+  return Array.from(select.selectedOptions).map((option) => option.value);
+}
+
+export function setSelectValues(select: HTMLSelectElement | null, values: string[]): void {
+  if (!select) return;
+  const selected = new Set(values);
+  Array.from(select.options).forEach((option) => {
+    option.selected = selected.has(option.value);
+  });
+}
+
+export function clearSelectValues(select: HTMLSelectElement | null): void {
+  if (!select) return;
+  Array.from(select.options).forEach((option) => {
+    option.selected = false;
+  });
+}

website/src/scripts/pages/skills-render.ts

@@ -3,6 +3,7 @@ import {
   getGitHubUrl,
   getLastUpdatedHtml,
 } from "../utils";
+import { renderEmptyStateHtml, renderSharedCardHtml } from "./card-render";
 
 export interface RenderableSkillFile {
   name: string;
@@ -41,66 +42,59 @@ export function sortSkills<T extends RenderableSkill>(
 
 export function renderSkillsHtml(items: RenderableSkill[]): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml("No skills found", "No skills are available right now.");
-      <div class="empty-state">
-        <h3>No skills found</h3>
-        <p>No skills are available right now.</p>
-      </div>
-    `;
   }
 
   return items
     .map((item) => {
-      return `
+      const metaHtml = `
-        <article class="resource-item" data-path="${escapeHtml(
+        ${
-          item.skillFile
+          item.hasAssets
-        )}" data-skill-id="${escapeHtml(item.id)}" role="listitem">
+            ? `<span class="resource-tag tag-assets">${item.assetCount} asset${
-          <button type="button" class="resource-preview">
+                item.assetCount === 1 ? "" : "s"
-            <div class="resource-info">
+              }</span>`
-              <div class="resource-title">${escapeHtml(item.title)}</div>
+            : ""
-              <div class="resource-description">${escapeHtml(
+        }
-                item.description || "No description"
+        <span class="resource-tag">${item.files.length} file${
-              )}</div>
-              <div class="resource-meta">
-                ${
-                  item.hasAssets
-                    ? `<span class="resource-tag tag-assets">${
-                        item.assetCount
-                      } asset${item.assetCount === 1 ? "" : "s"}</span>`
-                    : ""
-                }
-                <span class="resource-tag">${item.files.length} file${
           item.files.length === 1 ? "" : "s"
         }</span>
-                ${getLastUpdatedHtml(item.lastUpdated)}
+        ${getLastUpdatedHtml(item.lastUpdated)}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            <button class="btn btn-secondary copy-install-btn" data-skill-id="${escapeHtml(
-              item.id
-            )}" title="Copy install command">
-              <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor" aria-hidden="true">
-                <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"/>
-                <path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"/>
-              </svg>
-              Copy Install
-            </button>
-            <button class="btn btn-primary download-skill-btn" data-skill-id="${escapeHtml(
-              item.id
-            )}" title="Download as ZIP">
-              <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor">
-                <path d="M2.75 14A1.75 1.75 0 0 1 1 12.25v-2.5a.75.75 0 0 1 1.5 0v2.5c0 .138.112.25.25.25h10.5a.25.25 0 0 0 .25-.25v-2.5a.75.75 0 0 1 1.5 0v2.5A1.75 1.75 0 0 1 13.25 14Z"/>
-                <path d="M7.25 7.689V2a.75.75 0 0 1 1.5 0v5.689l1.97-1.969a.749.749 0 1 1 1.06 1.06l-3.25 3.25a.749.749 0 0 1-1.06 0L4.22 6.78a.749.749 0 1 1 1.06-1.06l1.97 1.969Z"/>
-              </svg>
-              Download
-            </button>
-            <a href="${getGitHubUrl(
-              item.path
-            )}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        <button class="btn btn-secondary copy-install-btn" data-skill-id="${escapeHtml(
+          item.id
+        )}" title="Copy install command">
+          <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor" aria-hidden="true">
+            <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"/>
+            <path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"/>
+          </svg>
+          Copy Install
+        </button>
+        <button class="btn btn-primary download-skill-btn" data-skill-id="${escapeHtml(
+          item.id
+        )}" title="Download as ZIP">
+          <svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor">
+            <path d="M2.75 14A1.75 1.75 0 0 1 1 12.25v-2.5a.75.75 0 0 1 1.5 0v2.5c0 .138.112.25.25.25h10.5a.25.25 0 0 0 .25-.25v-2.5a.75.75 0 0 1 1.5 0v2.5A1.75 1.75 0 0 1 13.25 14Z"/>
+            <path d="M7.25 7.689V2a.75.75 0 0 1 1.5 0v5.689l1.97-1.969a.749.749 0 1 1 1.06 1.06l-3.25 3.25a.749.749 0 0 1-1.06 0L4.22 6.78a.749.749 0 1 1 1.06-1.06l1.97 1.969Z"/>
+          </svg>
+          Download
+        </button>
+        <a href="${getGitHubUrl(
+          item.path
+        )}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.title,
+        description: item.description || "No description",
+        articleAttributes: {
+          "data-path": item.skillFile,
+          "data-skill-id": item.id,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join("");
 }

website/src/scripts/pages/skills.ts

@@ -2,28 +2,30 @@
  * Skills page functionality
  */
 import {
+  escapeHtml,
   fetchData,
+  formatRelativeTime,
   getQueryParam,
   showToast,
   downloadZipBundle,
   updateQueryParams,
   copyToClipboard,
   REPO_IDENTIFIER,
-} from "../utils";
+} from '../utils';
-import { setupModal, openFileModal } from "../modal";
+import { openCardDetailsModal, setupModal } from '../modal';
 import {
   renderSkillsHtml,
   sortSkills,
   type RenderableSkill,
   type SkillSortOption,
-} from "./skills-render";
+} from './skills-render';
 
 interface SkillFile {
   name: string;
   path: string;
 }
 
-interface Skill extends Omit<RenderableSkill, "files"> {
+interface Skill extends Omit<RenderableSkill, 'files'> {
   files: SkillFile[];
 }
 
@@ -31,37 +33,139 @@ interface SkillsData {
   items: Skill[];
 }
 
-const resourceType = "skill";
 let allItems: Skill[] = [];
-let currentSort: SkillSortOption = "title";
+let skillById = new Map<string, Skill>();
+let currentSort: SkillSortOption = 'title';
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function applyFiltersAndRender(): void {
-  const countEl = document.getElementById("results-count");
+  const countEl = document.getElementById('results-count');
   const results = sortSkills(allItems, currentSort);
 
   renderItems(results);
   if (countEl) {
-    countEl.textContent = `${results.length} skill${results.length === 1 ? "" : "s"}`;
+    countEl.textContent = `${results.length} skill${results.length === 1 ? '' : 's'}`;
   }
 }
 
 function renderItems(items: Skill[]): void {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
   if (!list) return;
 
   list.innerHTML = renderSkillsHtml(items);
 }
 
+async function copyInstallCommand(skillId: string, btn: HTMLButtonElement): Promise<void> {
+  const command = `gh skills install ${REPO_IDENTIFIER} ${skillId}`;
+  const originalContent = btn.innerHTML;
+  const success = await copyToClipboard(command);
+  showToast(success ? 'Install command copied!' : 'Failed to copy', success ? 'success' : 'error');
+  if (success) {
+    btn.innerHTML = '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Copied!';
+    setTimeout(() => {
+      btn.innerHTML = originalContent;
+    }, 2000);
+  }
+}
+
+async function downloadSkill(skillId: string, btn: HTMLButtonElement): Promise<void> {
+  const skill = allItems.find((item) => item.id === skillId);
+  if (!skill || !skill.files || skill.files.length === 0) {
+    showToast('No files found for this skill.', 'error');
+    return;
+  }
+
+  const originalContent = btn.innerHTML;
+  btn.disabled = true;
+  btn.innerHTML = '<svg class="spinner" viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M8 0a8 8 0 1 0 8 8h-1.5A6.5 6.5 0 1 1 8 1.5V0z"/></svg> Preparing...';
+
+  try {
+    await downloadZipBundle(skill.id, skill.files);
+
+    btn.innerHTML = '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Downloaded!';
+    setTimeout(() => {
+      btn.disabled = false;
+      btn.innerHTML = originalContent;
+    }, 2000);
+  } catch (error) {
+    const message = error instanceof Error ? error.message : 'Download failed.';
+    showToast(message, 'error');
+    btn.innerHTML = '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.75.75 0 1 1 1.06 1.06L9.06 8l3.22 3.22a.75.75 0 0 1-1.06 1.06L8 9.06l-3.22 3.22a.75.75 0 0 1-1.06-1.06L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06z"/></svg> Failed';
+    setTimeout(() => {
+      btn.disabled = false;
+      btn.innerHTML = originalContent;
+    }, 2000);
+  }
+}
+
+function openSkillDetailsModal(skillId: string, trigger?: HTMLElement): void {
+  const item = skillById.get(skillId);
+  if (!item) {
+    return;
+  }
+
+  const metaParts: string[] = [];
+  if (item.hasAssets) {
+    metaParts.push(
+      `<span class="resource-tag tag-assets">${item.assetCount} asset${
+        item.assetCount === 1 ? '' : 's'
+      }</span>`
+    );
+  }
+
+  metaParts.push(
+    `<span class="resource-tag">${item.files.length} file${
+      item.files.length === 1 ? '' : 's'
+    }</span>`
+  );
+
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const fileTagParts = item.files
+    .slice(0, 24)
+    .map((file) => `<span class="resource-tag">${escapeHtml(file.name)}</span>`);
+  if (item.files.length > 24) {
+    fileTagParts.push(`<span class="resource-tag">+${item.files.length - 24} more</span>`);
+  }
+
+  const actionsHtml = `
+    <button id="skill-details-install" class="btn btn-secondary" type="button" data-skill-id="${escapeHtml(
+      item.id
+    )}">Copy Install</button>
+    <button id="skill-details-download" class="btn btn-primary" type="button" data-skill-id="${escapeHtml(
+      item.id
+    )}">Download</button>
+    <button class="btn btn-secondary" type="button" data-open-file-path="${escapeHtml(
+      item.skillFile
+    )}" data-open-file-type="skill">Source</button>
+  `;
+
+  openCardDetailsModal({
+    title: item.title,
+    description: item.description || 'No description',
+    previewIcon: '⚡',
+    previewText: 'Skill files and install options',
+    metaHtml: metaParts.join(''),
+    tagsHtml: fileTagParts.join(''),
+    actionsHtml,
+    trigger,
+  });
+}
+
 function setupResourceListHandlers(list: HTMLElement | null): void {
   if (!list || resourceListHandlersReady) return;
 
-  list.addEventListener("click", (event) => {
+  list.addEventListener('click', (event) => {
     const target = event.target as HTMLElement;
 
-    const copyInstallButton = target.closest(
+    const copyInstallButton = target.closest('.copy-install-btn') as HTMLButtonElement | null;
-      ".copy-install-btn"
-    ) as HTMLButtonElement | null;
     if (copyInstallButton) {
       event.stopPropagation();
       const skillId = copyInstallButton.dataset.skillId;
@@ -69,9 +173,7 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
       return;
     }
 
-    const downloadButton = target.closest(
+    const downloadButton = target.closest('.download-skill-btn') as HTMLButtonElement | null;
-      ".download-skill-btn"
-    ) as HTMLButtonElement | null;
     if (downloadButton) {
       event.stopPropagation();
       const skillId = downloadButton.dataset.skillId;
@@ -79,11 +181,32 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
       return;
     }
 
-    if (target.closest(".resource-actions")) return;
+    if (target.closest('.resource-actions')) return;
 
-    const item = target.closest(".resource-item") as HTMLElement | null;
+    const item = target.closest('.resource-item') as HTMLElement | null;
-    const path = item?.dataset.path;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
-    if (path) openFileModal(path, resourceType);
+    const skillId = item?.dataset.skillId;
+    if (skillId) openSkillDetailsModal(skillId, button);
+  });
+
+  document.addEventListener('click', (event) => {
+    const target = event.target as HTMLElement;
+    const modalInstallButton = target.closest(
+      '#skill-details-install'
+    ) as HTMLButtonElement | null;
+    if (modalInstallButton) {
+      const skillId = modalInstallButton.dataset.skillId;
+      if (skillId) copyInstallCommand(skillId, modalInstallButton);
+      return;
+    }
+
+    const modalDownloadButton = target.closest(
+      '#skill-details-download'
+    ) as HTMLButtonElement | null;
+    if (modalDownloadButton) {
+      const skillId = modalDownloadButton.dataset.skillId;
+      if (skillId) downloadSkill(skillId, modalDownloadButton);
+    }
   });
 
   resourceListHandlersReady = true;
@@ -91,102 +214,47 @@ function setupResourceListHandlers(list: HTMLElement | null): void {
 
 function syncUrlState(): void {
   updateQueryParams({
-    q: "",
+    q: '',
     category: [],
     hasAssets: false,
-    sort: currentSort === "title" ? "" : currentSort,
+    sort: currentSort === 'title' ? '' : currentSort,
   });
 }
 
-async function copyInstallCommand(
-  skillId: string,
-  btn: HTMLButtonElement
-): Promise<void> {
-  const command = `gh skills install ${REPO_IDENTIFIER} ${skillId}`;
-  const originalContent = btn.innerHTML;
-  const success = await copyToClipboard(command);
-  showToast(
-    success ? "Install command copied!" : "Failed to copy",
-    success ? "success" : "error"
-  );
-  if (success) {
-    btn.innerHTML =
-      '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Copied!';
-    setTimeout(() => {
-      btn.innerHTML = originalContent;
-    }, 2000);
-  }
-}
-
-async function downloadSkill(
-  skillId: string,
-  btn: HTMLButtonElement
-): Promise<void> {
-  const skill = allItems.find((item) => item.id === skillId);
-  if (!skill || !skill.files || skill.files.length === 0) {
-    showToast("No files found for this skill.", "error");
-    return;
-  }
-
-  const originalContent = btn.innerHTML;
-  btn.disabled = true;
-  btn.innerHTML =
-    '<svg class="spinner" viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M8 0a8 8 0 1 0 8 8h-1.5A6.5 6.5 0 1 1 8 1.5V0z"/></svg> Preparing...';
-
-  try {
-    await downloadZipBundle(skill.id, skill.files);
-
-    btn.innerHTML =
-      '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z"/></svg> Downloaded!';
-    setTimeout(() => {
-      btn.disabled = false;
-      btn.innerHTML = originalContent;
-    }, 2000);
-  } catch (error) {
-    const message = error instanceof Error ? error.message : "Download failed.";
-    showToast(message, "error");
-    btn.innerHTML =
-      '<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor"><path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.75.75 0 1 1 1.06 1.06L9.06 8l3.22 3.22a.75.75 0 0 1-1.06 1.06L8 9.06l-3.22 3.22a.75.75 0 0 1-1.06-1.06L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06z"/></svg> Failed';
-    setTimeout(() => {
-      btn.disabled = false;
-      btn.innerHTML = originalContent;
-    }, 2000);
-  }
-}
-
 export async function initSkillsPage(): Promise<void> {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
-  const sortSelect = document.getElementById(
+  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement;
-    "sort-select"
+
-  ) as HTMLSelectElement;
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
 
   setupResourceListHandlers(list as HTMLElement | null);
 
-  const data = await fetchData<SkillsData>("skills.json");
+  const data = await fetchData<SkillsData>('skills.json');
   if (!data || !data.items) {
-    if (list)
+    if (list) list.innerHTML = '<div class="empty-state"><h3>Failed to load data</h3></div>';
-      list.innerHTML =
-        '<div class="empty-state"><h3>Failed to load data</h3></div>';
     return;
   }
 
   allItems = data.items;
+  skillById = new Map(allItems.map((item) => [item.id, item]));
 
-  const initialSort = getQueryParam("sort");
+  const initialSort = getQueryParam('sort');
-  if (initialSort === "lastUpdated") {
+  if (initialSort === 'lastUpdated') {
     currentSort = initialSort;
     if (sortSelect) sortSelect.value = initialSort;
   }
 
-  sortSelect?.addEventListener("change", () => {
+  sortSelect?.addEventListener('change', () => {
     currentSort = sortSelect.value as SkillSortOption;
     applyFiltersAndRender();
     syncUrlState();
   });
 
   applyFiltersAndRender();
-  setupModal();
 }
 
 // Auto-initialize when DOM is ready
-document.addEventListener("DOMContentLoaded", initSkillsPage);
+document.addEventListener('DOMContentLoaded', initSkillsPage);

website/src/scripts/pages/workflows-render.ts

@@ -4,6 +4,7 @@ import {
   getGitHubUrl,
   getLastUpdatedHtml,
 } from '../utils';
+import { renderEmptyStateHtml, renderSharedCardHtml } from './card-render';
 
 export interface RenderableWorkflow {
   title: string;
@@ -34,34 +35,32 @@ export function renderWorkflowsHtml(
   items: RenderableWorkflow[]
 ): string {
   if (items.length === 0) {
-    return `
+    return renderEmptyStateHtml('No workflows found', 'Try adjusting the selected filters.');
-      <div class="empty-state">
-        <h3>No workflows found</h3>
-        <p>Try adjusting the selected filters.</p>
-      </div>
-    `;
   }
 
   return items
     .map((item) => {
-      return `
+      const metaHtml = `
-        <article class="resource-item" data-path="${escapeHtml(item.path)}" role="listitem">
+        ${item.triggers
-          <button type="button" class="resource-preview">
+          .map((trigger) => `<span class="resource-tag tag-trigger">${escapeHtml(trigger)}</span>`)
-            <div class="resource-info">
+          .join('')}
-              <div class="resource-title">${escapeHtml(item.title)}</div>
+        ${getLastUpdatedHtml(item.lastUpdated)}
-              <div class="resource-description">${escapeHtml(item.description || 'No description')}</div>
-              <div class="resource-meta">
-                ${item.triggers.map((trigger) => `<span class="resource-tag tag-trigger">${escapeHtml(trigger)}</span>`).join('')}
-                ${getLastUpdatedHtml(item.lastUpdated)}
-              </div>
-            </div>
-          </button>
-          <div class="resource-actions">
-            ${getActionButtonsHtml(item.path)}
-            <a href="${getGitHubUrl(item.path)}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
-          </div>
-        </article>
       `;
+
+      const actionsHtml = `
+        ${getActionButtonsHtml(item.path)}
+        <a href="${getGitHubUrl(item.path)}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
+      `;
+
+      return renderSharedCardHtml({
+        title: item.title,
+        description: item.description || 'No description',
+        articleAttributes: {
+          'data-path': item.path,
+        },
+        metaHtml,
+        actionsHtml,
+      });
     })
     .join('');
 }

website/src/scripts/pages/workflows.ts

@@ -2,25 +2,24 @@
  * Workflows page functionality
  */
 import {
-  createChoices,
+  copyToClipboard,
-  getChoicesValues,
+  escapeHtml,
-  setChoicesValues,
-  type Choices,
-} from "../choices";
-import {
   fetchData,
+  formatRelativeTime,
   getQueryParam,
   getQueryParamValues,
+  showToast,
   setupActionHandlers,
   updateQueryParams,
-} from "../utils";
+} from '../utils';
-import { setupModal, openFileModal } from "../modal";
+import { openCardDetailsModal, setupModal } from '../modal';
+import { clearSelectValues, getSelectValues, setSelectValues } from './select-utils';
 import {
   renderWorkflowsHtml,
   sortWorkflows,
   type RenderableWorkflow,
   type WorkflowSortOption,
-} from "./workflows-render";
+} from './workflows-render';
 
 interface Workflow extends RenderableWorkflow {
   id: string;
@@ -36,141 +35,192 @@ interface WorkflowsData {
   };
 }
 
-const resourceType = "workflow";
 let allItems: Workflow[] = [];
-let triggerSelect: Choices;
+let workflowByPath = new Map<string, Workflow>();
+let triggerSelectEl: HTMLSelectElement | null = null;
 let currentFilters = {
   triggers: [] as string[],
 };
-let currentSort: WorkflowSortOption = "title";
+let currentSort: WorkflowSortOption = 'title';
 let resourceListHandlersReady = false;
+let modalReady = false;
 
 function sortItems(items: Workflow[]): Workflow[] {
   return sortWorkflows(items, currentSort);
 }
 
 function applyFiltersAndRender(): void {
-  const countEl = document.getElementById("results-count");
+  const countEl = document.getElementById('results-count');
   let results = [...allItems];
 
   if (currentFilters.triggers.length > 0) {
-    results = results.filter((item) =>
+    results = results.filter((item) => item.triggers.some((trigger) => currentFilters.triggers.includes(trigger)));
-      item.triggers.some((trigger) => currentFilters.triggers.includes(trigger))
-    );
   }
 
   results = sortItems(results);
 
   renderItems(results);
-  let countText = `${results.length} workflow${results.length === 1 ? "" : "s"}`;
+  let countText = `${results.length} workflow${results.length === 1 ? '' : 's'}`;
   if (currentFilters.triggers.length > 0) {
-    countText = `${results.length} of ${allItems.length} workflows (filtered by ${currentFilters.triggers.length} trigger${currentFilters.triggers.length > 1 ? "s" : ""})`;
+    countText = `${results.length} of ${allItems.length} workflows (filtered by ${currentFilters.triggers.length} trigger${currentFilters.triggers.length > 1 ? 's' : ''})`;
   }
   if (countEl) countEl.textContent = countText;
 }
 
 function renderItems(items: Workflow[]): void {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
   if (!list) return;
 
   list.innerHTML = renderWorkflowsHtml(items);
 }
 
+function openWorkflowDetailsModal(path: string, trigger?: HTMLElement): void {
+  const item = workflowByPath.get(path);
+  if (!item) {
+    return;
+  }
+
+  const metaParts: string[] = [];
+  if (item.lastUpdated) {
+    metaParts.push(
+      `<span class="last-updated">Updated ${escapeHtml(
+        formatRelativeTime(item.lastUpdated)
+      )}</span>`
+    );
+  }
+
+  const triggerTags = item.triggers
+    .map((triggerName) => `<span class="resource-tag tag-trigger">${escapeHtml(triggerName)}</span>`)
+    .join('');
+  const actionsHtml = `
+    <button id="workflow-details-copy-path" class="btn btn-secondary" type="button" data-workflow-path="${escapeHtml(
+      item.path
+    )}">Copy Path</button>
+    <button class="btn btn-secondary" type="button" data-open-file-path="${escapeHtml(
+      item.path
+    )}" data-open-file-type="workflow">Source</button>
+  `;
+
+  openCardDetailsModal({
+    title: item.title,
+    description: item.description || 'No description',
+    previewIcon: '⚡',
+    previewText: 'Workflow trigger details and source',
+    metaHtml: metaParts.join(''),
+    tagsHtml: triggerTags,
+    actionsHtml,
+    trigger,
+  });
+}
+
 function setupResourceListHandlers(list: HTMLElement | null): void {
   if (!list || resourceListHandlersReady) return;
 
-  list.addEventListener("click", (event) => {
+  list.addEventListener('click', (event) => {
     const target = event.target as HTMLElement;
-    if (target.closest(".resource-actions")) {
+    if (target.closest('.resource-actions')) {
       return;
     }
 
-    const item = target.closest(".resource-item") as HTMLElement | null;
+    const item = target.closest('.resource-item') as HTMLElement | null;
+    const button = item?.querySelector('.resource-preview') as HTMLElement | undefined;
     const path = item?.dataset.path;
     if (path) {
-      openFileModal(path, resourceType);
+      openWorkflowDetailsModal(path, button);
     }
   });
 
+  document.addEventListener('click', async (event) => {
+    const target = event.target as HTMLElement;
+    const copyPathButton = target.closest(
+      '#workflow-details-copy-path'
+    ) as HTMLButtonElement | null;
+    if (!copyPathButton) return;
+    const workflowPath = copyPathButton.dataset.workflowPath || '';
+    if (!workflowPath) return;
+    const success = await copyToClipboard(workflowPath);
+    showToast(success ? 'Path copied!' : 'Failed to copy path', success ? 'success' : 'error');
+  });
+
   resourceListHandlersReady = true;
 }
 
 function syncUrlState(): void {
   updateQueryParams({
-    q: "",
+    q: '',
     trigger: currentFilters.triggers,
-    sort: currentSort === "title" ? "" : currentSort,
+    sort: currentSort === 'title' ? '' : currentSort,
   });
 }
 
 export async function initWorkflowsPage(): Promise<void> {
-  const list = document.getElementById("resource-list");
+  const list = document.getElementById('resource-list');
-  const clearFiltersBtn = document.getElementById("clear-filters");
+  const clearFiltersBtn = document.getElementById('clear-filters');
-  const sortSelect = document.getElementById(
+  const sortSelect = document.getElementById('sort-select') as HTMLSelectElement | null;
-    "sort-select"
+
-  ) as HTMLSelectElement;
+  if (!modalReady) {
+    setupModal();
+    modalReady = true;
+  }
 
   setupResourceListHandlers(list as HTMLElement | null);
 
-  const data = await fetchData<WorkflowsData>("workflows.json");
+  const data = await fetchData<WorkflowsData>('workflows.json');
   if (!data || !data.items) {
-    if (list)
+    if (list) list.innerHTML = '<div class="empty-state"><h3>Failed to load data</h3></div>';
-      list.innerHTML =
-        '<div class="empty-state"><h3>Failed to load data</h3></div>';
     return;
   }
 
   allItems = data.items;
+  workflowByPath = new Map(allItems.map((item) => [item.path, item]));
 
-  triggerSelect = createChoices("#filter-trigger", {
+  triggerSelectEl = document.getElementById('filter-trigger') as HTMLSelectElement | null;
-    placeholderValue: "All Triggers",
+  if (triggerSelectEl) {
-  });
+    triggerSelectEl.innerHTML = '';
-  triggerSelect.setChoices(
+    data.filters.triggers.forEach((trigger) => {
-    data.filters.triggers.map((trigger) => ({ value: trigger, label: trigger })),
+      const option = document.createElement('option');
-    "value",
+      option.value = trigger;
-    "label",
+      option.textContent = trigger;
-    true
+      triggerSelectEl?.appendChild(option);
-  );
+    });
+  }
 
-  const initialTriggers = getQueryParamValues("trigger").filter((trigger) =>
+  const initialTriggers = getQueryParamValues('trigger').filter((trigger) => data.filters.triggers.includes(trigger));
-    data.filters.triggers.includes(trigger)
+  const initialSort = getQueryParam('sort');
-  );
-  const initialSort = getQueryParam("sort");
 
   if (initialTriggers.length > 0) {
     currentFilters.triggers = initialTriggers;
-    setChoicesValues(triggerSelect, initialTriggers);
+    setSelectValues(triggerSelectEl, initialTriggers);
   }
-  if (initialSort === "lastUpdated") {
+  if (initialSort === 'lastUpdated') {
     currentSort = initialSort;
     if (sortSelect) sortSelect.value = initialSort;
   }
 
-  document.getElementById("filter-trigger")?.addEventListener("change", () => {
+  triggerSelectEl?.addEventListener('change', () => {
-    currentFilters.triggers = getChoicesValues(triggerSelect);
+    currentFilters.triggers = getSelectValues(triggerSelectEl);
     applyFiltersAndRender();
     syncUrlState();
   });
 
-  sortSelect?.addEventListener("change", () => {
+  sortSelect?.addEventListener('change', () => {
     currentSort = sortSelect.value as WorkflowSortOption;
     applyFiltersAndRender();
     syncUrlState();
   });
 
-  clearFiltersBtn?.addEventListener("click", () => {
+  clearFiltersBtn?.addEventListener('click', () => {
     currentFilters = { triggers: [] };
-    currentSort = "title";
+    currentSort = 'title';
-    triggerSelect.removeActiveItems();
+    clearSelectValues(triggerSelectEl);
-    if (sortSelect) sortSelect.value = "title";
+    if (sortSelect) sortSelect.value = 'title';
     applyFiltersAndRender();
     syncUrlState();
   });
 
   applyFiltersAndRender();
-  setupModal();
   setupActionHandlers();
 }
 
 // Auto-initialize when DOM is ready
-document.addEventListener("DOMContentLoaded", initWorkflowsPage);
+document.addEventListener('DOMContentLoaded', initWorkflowsPage);

website/src/styles/global.css

@@ -1157,6 +1157,29 @@ body:has(#main-content) {
   min-height: 200px;
 }
 
+.modal.details-mode .modal-content {
+  max-width: 980px;
+}
+
+.modal.details-mode #modal-file-switcher,
+.modal.details-mode #install-command-btn,
+.modal.details-mode #copy-btn,
+.modal.details-mode #download-btn,
+.modal.details-mode #share-btn,
+.modal.details-mode #render-btn,
+.modal.details-mode #raw-btn,
+.modal.details-mode #install-dropdown {
+  display: none !important;
+}
+
+.modal.details-mode .modal-card-details {
+  padding: 18px;
+}
+
+.modal.details-mode .modal-card-details .resource-details-body {
+  margin: 0;
+}
+
 .modal-rendered-content {
   padding: 24px;
   min-height: 200px;
@@ -1876,7 +1899,7 @@ body:has(#main-content) {
   text-align: left;
   cursor: pointer;
 }
- 
+
 .resource-thumbnail-btn {
   display: inline-flex;
   align-items: center;
@@ -1887,13 +1910,13 @@ body:has(#main-content) {
   cursor: pointer;
   flex-shrink: 0;
 }
- 
+
 .resource-thumbnail-btn:focus-visible {
   outline: 2px solid var(--color-accent);
   outline-offset: 4px;
   border-radius: var(--border-radius);
 }
- 
+
 .resource-thumbnail {
   width: clamp(120px, 24vw, 160px);
   aspect-ratio: 16 / 10;
@@ -1905,13 +1928,13 @@ body:has(#main-content) {
   box-shadow: var(--shadow);
   transition: transform var(--transition), box-shadow var(--transition);
 }
- 
+
 .resource-thumbnail-btn:hover .resource-thumbnail,
 .resource-thumbnail-btn:focus-visible .resource-thumbnail {
   transform: translateY(-1px);
   box-shadow: var(--shadow-lg);
 }
- 
+
 .resource-thumbnail-placeholder {
   display: flex;
   align-items: center;
@@ -1925,7 +1948,7 @@ body:has(#main-content) {
     linear-gradient(135deg, rgba(133, 52, 243, 0.18), rgba(254, 76, 37, 0.08)),
     var(--color-bg-tertiary);
 }
- 
+
 .resource-preview:focus-visible {
   outline: 2px solid var(--color-accent);
   outline-offset: 4px;
@@ -1998,61 +2021,296 @@ body:has(#main-content) {
   margin: 0px;
 }
 
-.extension-preview-modal {
+/* Extensions page grid layout */
-  position: fixed;
+.extensions-page .resource-list {
-  inset: 0;
+  display: grid;
-  z-index: 100000;
+  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
-  display: flex;
+  gap: 16px;
-  align-items: center;
+  align-items: stretch;
-  justify-content: center;
-  padding: 24px;
-  background: rgba(5, 7, 15, 0.72);
-  backdrop-filter: blur(8px);
 }
 
-.extension-preview-modal.hidden {
+.extensions-page .resource-item {
-  display: none;
+  height: 100%;
-}
+  padding: 20px;
-
-.extension-preview-dialog {
-  width: min(100%, 980px);
-  max-height: 90vh;
-  display: flex;
   flex-direction: column;
-  gap: 12px;
+  align-items: stretch;
-  background: var(--color-bg-secondary);
+  justify-content: space-between;
-  border: 1px solid var(--color-glass-border);
+  gap: 16px;
+  cursor: pointer;
+  margin-top: 0px;
+}
+
+.extensions-page .resource-item:hover,
+.extensions-page .resource-item:focus-within {
+  transform: translateY(-2px);
   border-radius: var(--border-radius-lg);
-  box-shadow: var(--shadow-lg);
+}
+
+.extensions-page .resource-item:hover::before,
+.extensions-page .resource-item:focus-within::before {
+  opacity: 0;
+  left: 0;
+}
+
+.extensions-page .resource-preview {
+  flex-direction: column;
+  align-items: stretch;
+  gap: 12px;
+  cursor: inherit;
+}
+
+.extensions-page .resource-thumbnail-btn {
+  width: 100%;
+}
+
+.extensions-page .resource-thumbnail {
+  width: 100%;
+  max-width: none;
+}
+
+.extensions-page .resource-item > .resource-actions {
+  justify-content: flex-start;
+  margin-top: auto;
+}
+
+/* Clamp keyword tags to ~2 rows; allow a little extra for font/rendering variance */
+.extensions-page .resource-item .resource-keywords {
+  max-height: 58px;
   overflow: hidden;
 }
 
-.extension-preview-header {
+/* Clamp description to exactly 2 lines on cards */
+.extensions-page .resource-item .resource-description {
+  -webkit-line-clamp: 2;
+  line-clamp: 2;
+}
+
+.extension-details-body {
+  display: grid;
+  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
+  gap: 18px;
+  align-items: start;
+  justify-content: initial;
+}
+
+.extension-details-main {
   display: flex;
-  align-items: center;
+  flex-direction: column;
-  justify-content: space-between;
+  gap: 10px;
-  gap: 12px;
-  padding: 16px 18px 0;
 }
 
-.extension-preview-title {
+.extension-details-image {
-  margin: 0;
+  width: 100%;
-  font-size: 1rem;
+  max-width: none;
-  color: var(--color-text-emphasis);
 }
 
-.extension-preview-close {
+.extension-details-gallery {
+  display: flex;
+  gap: 8px;
+  overflow-x: auto;
+  padding-bottom: 4px;
+}
+
+.extension-details-thumbnail-btn {
+  flex: 0 0 auto;
+  width: 88px;
+  height: 56px;
   border: 1px solid var(--color-glass-border);
+  border-radius: var(--border-radius);
   background: var(--color-bg-tertiary);
+  padding: 0;
+  cursor: pointer;
 }
 
-.extension-preview-body {
+.extension-details-thumbnail-btn.active {
-  padding: 0 18px 18px;
+  border-color: var(--color-accent);
+  box-shadow: 0 0 0 1px var(--color-accent);
+}
+
+.extension-details-thumbnail {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  border-radius: calc(var(--border-radius) - 1px);
+}
+
+.extension-details-content {
   display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.extension-details-description {
+  margin: 0;
+  color: var(--color-text-muted);
+}
+
+.extension-details-keywords {
+  margin-top: 0;
+}
+
+.extension-details-meta {
+  margin-top: 0;
+}
+
+.extension-details-actions {
+  margin-top: 4px;
+}
+
+/* Agents page grid layout prototype */
+.agents-page .resource-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
+  gap: 16px;
+  align-items: stretch;
+}
+
+.agents-page .resource-item {
+  height: 100%;
+  padding: 20px;
+  flex-direction: column;
+  align-items: stretch;
+  justify-content: space-between;
+  gap: 16px;
+  cursor: pointer;
+  margin-top: 0px;
+}
+
+.agents-page .resource-item:hover,
+.agents-page .resource-item:focus-within {
+  transform: translateY(-2px);
+  border-radius: var(--border-radius-lg);
+}
+
+.agents-page .resource-item:hover::before,
+.agents-page .resource-item:focus-within::before {
+  opacity: 0;
+  left: 0;
+}
+
+.agents-page .resource-preview {
+  flex-direction: column;
+  align-items: stretch;
+  gap: 12px;
+  cursor: inherit;
+}
+
+.agents-page .resource-item > .resource-actions {
+  justify-content: flex-start;
+  margin-top: auto;
+}
+
+.agents-page .resource-item .resource-meta {
+  max-height: 76px;
+  overflow: hidden;
+}
+
+/* Shared grid layout prototype for listing pages */
+.listing-cards-page .resource-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
+  gap: 16px;
+  align-items: stretch;
+}
+
+.listing-cards-page .resource-item {
+  height: 100%;
+  padding: 20px;
+  flex-direction: column;
+  align-items: stretch;
+  justify-content: space-between;
+  gap: 16px;
+  cursor: pointer;
+  margin-top: 0px;
+}
+
+.listing-cards-page .resource-item:hover,
+.listing-cards-page .resource-item:focus-within {
+  transform: translateY(-2px);
+  border-radius: var(--border-radius-lg);
+}
+
+.listing-cards-page .resource-item:hover::before,
+.listing-cards-page .resource-item:focus-within::before {
+  opacity: 0;
+  left: 0;
+}
+
+.listing-cards-page .resource-preview {
+  flex-direction: column;
+  align-items: stretch;
+  gap: 12px;
+  cursor: inherit;
+}
+
+.listing-cards-page .resource-item > .resource-actions {
+  justify-content: flex-start;
+  margin-top: auto;
+}
+
+.listing-cards-page .resource-item .resource-meta {
+  max-height: 92px;
+  overflow: hidden;
+}
+
+.resource-details-body {
+  display: grid;
+  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
+  gap: 18px;
+  align-items: start;
+  justify-content: initial;
+}
+
+.resource-details-preview {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
   justify-content: center;
+  min-height: 220px;
+  background: linear-gradient(135deg, rgba(133, 52, 243, 0.14), rgba(254, 76, 37, 0.08));
+  border: 1px solid var(--color-glass-border);
+  border-radius: var(--border-radius);
+  padding: 16px;
+}
+
+.resource-details-preview-icon {
+  font-size: 48px;
+  line-height: 1;
+  margin-bottom: 12px;
+}
+
+.resource-details-preview-text {
+  margin: 0;
+  color: var(--color-text-muted);
+  text-align: center;
+}
+
+.resource-details-content {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.resource-details-description {
+  margin: 0;
+  color: var(--color-text-muted);
+}
+
+.resource-details-meta,
+.resource-details-tags {
+  margin-top: 0;
+}
+
+.resource-details-tags {
+  max-height: 180px;
   overflow: auto;
 }
 
+.resource-details-actions {
+  margin-top: 4px;
+  flex-wrap: wrap;
+}
+
 .extension-preview-image {
   display: block;
   width: 100%;
@@ -2233,6 +2491,14 @@ body:has(#main-content) {
     justify-content: flex-end;
   }
 
+  .extension-details-body {
+    grid-template-columns: 1fr;
+  }
+
+  .resource-details-body {
+    grid-template-columns: 1fr;
+  }
+
   /* Ensure touch targets are at least 44px */
   .card,
   .search-result,