feat(ui): implement adaptive card decks for launchpad, sessions, and passkeys with emergency recovery backup

ui/components/AppLaunchpadPage.tsx

@@ -21,80 +21,114 @@ export const AppLaunchpadPage = ({
       currentPath="/dashboard"
       isAdmin={isAdmin}
     >
-      <div
+      <div style="margin-bottom: 2rem;">
-        style={{
+        <h1 style="font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem 0; color: var(--text-primary);">
-          display: "flex",
+          Application Launchpad
-          justifyContent: "space-between",
+        </h1>
-          alignItems: "center",
+        <p style="color: var(--text-secondary); margin: 0; font-size: 0.95rem;">
-          marginBottom: "2rem",
+          Single sign-on authorized workloads and microservices.
-        }}
+        </p>
-      >
-        <h2>Application Launchpad</h2>
       </div>
 
-      <div
+      <div style="display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem;">
-        style={{
-          display: "grid",
-          gridTemplateColumns: "repeat(auto-fill, minmax(300px, 1fr))",
-          gap: "1.5rem",
-        }}
-      >
         {apps.length === 0
           ? (
-            <div style={{ color: "#6c757d", gridColumn: "1 / -1" }}>
+            <div
-              No authorized applications found.
+              class="card"
+              style="grid-column: 1 / -1; text-align: center; padding: 3rem 1.5rem;"
+            >
+              <div style="display: inline-flex; width: 48px; height: 48px; background: var(--surface-muted); border-radius: var(--radius-full); align-items: center; justify-content: center; margin-bottom: 1rem; color: var(--text-muted);">
+                <svg
+                  width="24"
+                  height="24"
+                  viewBox="0 0 24 24"
+                  fill="none"
+                  stroke="currentColor"
+                  stroke-width="2"
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                >
+                  <circle cx="12" cy="12" r="10"></circle>
+                  <line x1="12" y1="8" x2="12" y2="12"></line>
+                  <line x1="12" y1="16" x2="12.01" y2="16"></line>
+                </svg>
+              </div>
+              <h3 style="margin: 0 0 0.5rem 0; color: var(--text-primary);">
+                No Authorized Applications
+              </h3>
+              <p style="margin: 0; color: var(--text-muted); font-size: 0.9rem;">
+                You do not have active role grants for any workloads.
+              </p>
             </div>
           )
           : (
-            apps.map((app) => (
+            apps.map((app) => {
+              const isAdminRole = app.role === "Admin" ||
+                app.role === "Global Admin";
+              const targetUrl = app.domain.startsWith("http")
+                ? app.domain
+                : `https://${app.domain}`;
+
+              return (
                 <div
                   class="card"
-                style={{
+                  key={app.id}
-                  display: "flex",
+                  style="display: flex; flex-direction: column; justify-content: space-between; margin-bottom: 0; transition: transform 0.15s ease, box-shadow 0.15s ease;"
-                  flexDirection: "column",
-                  height: "100%",
-                  marginBottom: "0",
-                }}
                 >
-                <div
+                  <div>
-                  style={{
+                    <div style="display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; gap: 0.5rem;">
-                    display: "flex",
+                      <div style="display: flex; align-items: center; gap: 0.65rem;">
-                    justifyContent: "space-between",
+                        <div style="display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: var(--primary-light); color: var(--primary); border-radius: var(--radius-md); font-weight: 700; font-size: 1rem;">
-                    alignItems: "flex-start",
+                          {app.name.charAt(0).toUpperCase()}
-                    marginBottom: "0.5rem",
+                        </div>
-                  }}
+                        <div>
-                >
+                          <h3 style="margin: 0; font-size: 1.1rem; color: var(--text-primary);">
-                  <h3 style={{ margin: 0, color: "#212529" }}>{app.name}</h3>
+                            {app.name}
+                          </h3>
+                          <span style="font-size: 0.8rem; color: var(--text-muted); font-family: monospace;">
+                            {app.domain}
+                          </span>
+                        </div>
+                      </div>
+
                       <span
                         class={`badge ${
-                      app.role === "Admin" || app.role === "Global Admin"
+                          isAdminRole ? "badge-success" : "badge-info"
-                        ? "badge-success"
-                        : "badge-primary"
                         }`}
-                    style={{
-                      backgroundColor:
-                        app.role === "Admin" || app.role === "Global Admin"
-                          ? "#28a745"
-                          : "#007bff",
-                    }}
                       >
                         {app.role}
                       </span>
                     </div>
-                <p style={{ color: "#6c757d", flex: 1, fontSize: "0.9rem" }}>
+
-                  {app.description || "No description provided."}
+                    <p style="color: var(--text-secondary); font-size: 0.875rem; line-height: 1.5; margin: 0 0 1.25rem 0; flex: 1;">
+                      {app.description ||
+                        "Zero-trust secured internal application."}
                     </p>
-                <div style={{ marginTop: "1rem", textAlign: "right" }}>
+                  </div>
+
                   <a
-                    href={`https://${app.domain}`}
+                    href={targetUrl}
                     class="btn-primary"
-                    style={{ textDecoration: "none", display: "inline-block" }}
+                    style="width: 100%; min-height: 46px; text-decoration: none; justify-content: center;"
                   >
-                    Launch
+                    <span>Launch App</span>
+                    <svg
+                      width="16"
+                      height="16"
+                      viewBox="0 0 24 24"
+                      fill="none"
+                      stroke="currentColor"
+                      stroke-width="2.5"
+                      stroke-linecap="round"
+                      stroke-linejoin="round"
+                    >
+                      <line x1="7" y1="17" x2="17" y2="7"></line>
+                      <polyline points="7 7 17 7 17 17"></polyline>
+                    </svg>
                   </a>
                 </div>
-              </div>
+              );
-            ))
+            })
           )}
       </div>
     </AuthenticatedLayout>

ui/components/PasskeysPage.tsx

@@ -13,81 +13,86 @@ export const PasskeysPage = ({
       currentPath="/dashboard/passkeys"
       isAdmin={isAdmin}
     >
-      <div class="card">
+      <div style="display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;">
-        <div
+        <div>
-          style={{
+          <h1 style="font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem 0; color: var(--text-primary);">
-            display: "flex",
-            justifyContent: "space-between",
-            alignItems: "center",
-            marginBottom: "1rem",
-          }}
-        >
-          <h2 style={{ margin: 0, border: "none", padding: 0 }}>
             Registered Passkeys
-          </h2>
+          </h1>
-          <button type="button" id="addPasskeyBtn" class="btn-primary">
+          <p style="color: var(--text-secondary); margin: 0; font-size: 0.95rem;">
-            + Add New Passkey
+            Manage FIDO2 WebAuthn credentials and biometric authenticators.
+          </p>
+        </div>
+
+        <button
+          type="button"
+          id="addPasskeyBtn"
+          class="btn-primary"
+          style="min-height: 44px; box-shadow: var(--shadow-sm);"
+        >
+          <svg
+            width="18"
+            height="18"
+            viewBox="0 0 24 24"
+            fill="none"
+            stroke="currentColor"
+            stroke-width="2.5"
+            stroke-linecap="round"
+            stroke-linejoin="round"
+          >
+            <line x1="12" y1="5" x2="12" y2="19"></line>
+            <line x1="5" y1="12" x2="19" y2="12"></line>
+          </svg>
+          <span>Enroll New Passkey</span>
         </button>
       </div>
-        <p
+
-          style={{
+      {/* Add Passkey Drawer / Container */}
-            color: "#6c757d",
+      <div
-            fontSize: "0.9rem",
+        id="addPasskeyContainer"
-            marginBottom: "1.5rem",
+        class="card"
-          }}
+        style="display: none; border-color: var(--primary); background: var(--primary-light); margin-bottom: 1.5rem;"
       >
-          Manage your registered hardware tokens. We recommend having at least
+        <h3 style="margin: 0 0 0.5rem 0; color: var(--primary);">
-          two registered.
+          Enroll New Passkey
+        </h3>
+        <p style="font-size: 0.9rem; color: var(--text-secondary); margin: 0 0 1rem 0;">
+          Insert a hardware security key (YubiKey) or follow your device's
+          biometric prompt.
         </p>
 
-        <div
-          id="addPasskeyContainer"
-          style={{
-            display: "none",
-            marginBottom: "1.5rem",
-            padding: "1rem",
-            background: "#f8f9fa",
-            borderRadius: "6px",
-            border: "1px solid #dee2e6",
-          }}
-        >
-          <h3 style={{ marginTop: 0, fontSize: "1.1rem" }}>
-            Register New Passkey
-          </h3>
-          <p style={{ fontSize: "0.9rem", color: "#6c757d" }}>
-            Please insert your new hardware token and follow the prompts.
-          </p>
         <div
           id="addPasskeyStatus"
-            style={{ marginBottom: "1rem", fontSize: "0.9rem" }}
+          style="margin-bottom: 1rem; font-size: 0.9rem; font-weight: 600;"
         >
         </div>
-          <div style={{ display: "flex", gap: "1rem" }}>
+
+        <div style="display: flex; gap: 0.75rem;">
           <button
             type="button"
             id="confirmAddPasskeyBtn"
             class="btn-primary"
-              style={{ background: "#28a745" }}
           >
-              Start Registration
+            Start Device Prompt
           </button>
           <button
             type="button"
             id="cancelAddPasskeyBtn"
-              class="btn-danger"
+            class="btn-outline"
-              style={{ background: "#6c757d" }}
           >
             Cancel
           </button>
         </div>
       </div>
 
+      {/* Desktop Table View (≥ 768px) */}
+      <div class="card desktop-only" style="display: none;">
         <div class="table-container">
           <table>
             <thead>
               <tr>
-                <th>ID</th>
+                <th>Credential ID</th>
-                <th>Uses (Counter)</th>
+                <th>Sign Counter</th>
+                <th>AAGUID Vendor</th>
                 <th>Action</th>
               </tr>
             </thead>
@@ -96,10 +101,10 @@ export const PasskeysPage = ({
                 ? (
                   <tr>
                     <td
-                      colSpan={3}
+                      colSpan={4}
-                      style={{ textAlign: "center", padding: "2rem" }}
+                      style="text-align: center; padding: 2rem; color: var(--text-muted);"
                     >
-                      No passkeys found.
+                      No passkeys registered.
                     </td>
                   </tr>
                 )
@@ -107,29 +112,31 @@ export const PasskeysPage = ({
                   passkeys.map((passkey) => (
                     <tr key={passkey.id}>
                       <td>
-                        <code
+                        <code style="background: var(--surface-muted); padding: 0.2rem 0.5rem; border-radius: var(--radius-sm); font-family: monospace; font-size: 0.85rem;">
-                          style={{
+                          {passkey.credential_id
-                            background: "#f1f3f5",
+                            ? `${passkey.credential_id.substring(0, 16)}...`
-                            padding: "0.2rem 0.4rem",
+                            : passkey.id}
-                            borderRadius: "4px",
-                          }}
-                        >
-                          {passkey.id.split("-")[0]}...
                         </code>
                       </td>
-                      <td>{passkey.counter}</td>
+                      <td style="color: var(--text-secondary);">
+                        {passkey.counter}
+                      </td>
+                      <td>
+                        <span class="badge badge-info">
+                          {passkey.aaguid
+                            ? passkey.aaguid.substring(0, 8)
+                            : "FIDO2 Key"}
+                        </span>
+                      </td>
                       <td>
                         <button
                           type="button"
-                          class="btn-danger revoke-btn"
+                          class="btn-danger revoke-passkey-btn"
                           data-passkey-id={passkey.id}
                           disabled={passkeys.length <= 1}
-                          title={passkeys.length <= 1
-                            ? "Cannot remove last passkey"
-                            : "Remove"}
                           style={passkeys.length <= 1
-                            ? { opacity: 0.5, cursor: "not-allowed" }
+                            ? "opacity: 0.5; cursor: not-allowed;"
-                            : {}}
+                            : ""}
                         >
                           Remove
                         </button>
@@ -139,34 +146,194 @@ export const PasskeysPage = ({
                 )}
             </tbody>
           </table>
-          {passkeys.length <= 1 && (
+        </div>
-            <p
+      </div>
-              style={{
+
-                fontSize: "0.85rem",
+      {/* Mobile Adaptive Cards View (< 768px) */}
-                color: "#dc3545",
+      <div
-                marginTop: "1rem",
+        class="mobile-only"
-              }}
+        style="display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem;"
       >
-              * You must register another passkey before you can remove your
+        {passkeys.length === 0
-              only remaining one.
+          ? (
+            <div class="card" style="text-align: center; padding: 2rem;">
+              <p style="color: var(--text-muted); margin: 0;">
+                No passkeys registered.
               </p>
+            </div>
+          )
+          : (
+            passkeys.map((passkey) => (
+              <div class="card" key={passkey.id} style="margin-bottom: 0;">
+                <div style="display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem;">
+                  <div style="display: flex; align-items: center; gap: 0.65rem;">
+                    <div style="display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--primary-light); color: var(--primary); border-radius: var(--radius-md);">
+                      <svg
+                        width="20"
+                        height="20"
+                        viewBox="0 0 24 24"
+                        fill="none"
+                        stroke="currentColor"
+                        stroke-width="2"
+                      >
+                        <circle cx="7.5" cy="15.5" r="5.5"></circle>
+                        <path d="m21 2-9.6 9.6"></path>
+                        <path d="m15.5 7.5 3 3L22 7l-3-3"></path>
+                      </svg>
+                    </div>
+                    <div>
+                      <div style="font-weight: 700; color: var(--text-primary);">
+                        Passkey Credential
+                      </div>
+                      <div style="font-size: 0.75rem; color: var(--text-muted); font-family: monospace;">
+                        {passkey.credential_id
+                          ? `${passkey.credential_id.substring(0, 14)}...`
+                          : passkey.id}
+                      </div>
+                    </div>
+                  </div>
+
+                  <span class="badge badge-info">
+                    {passkey.aaguid ? "Hardware/OS" : "FIDO2"}
+                  </span>
+                </div>
+
+                <div style="font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 1rem;">
+                  <div>
+                    <strong>Counter:</strong> {passkey.counter} authentications
+                  </div>
+                </div>
+
+                <button
+                  type="button"
+                  class="btn-danger revoke-passkey-btn"
+                  data-passkey-id={passkey.id}
+                  disabled={passkeys.length <= 1}
+                  style={`width: 100%; min-height: 44px; ${
+                    passkeys.length <= 1
+                      ? "opacity: 0.5; cursor: not-allowed;"
+                      : ""
+                  }`}
+                >
+                  {passkeys.length <= 1
+                    ? "Cannot Remove Last Passkey"
+                    : "Remove Passkey"}
+                </button>
+              </div>
+            ))
           )}
       </div>
+
+      {/* Emergency Recovery Backup Section */}
+      <div class="card" style="border-left: 4px solid var(--warning);">
+        <div style="display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 0.75rem;">
+          <div style="display: flex; align-items: center; gap: 0.65rem;">
+            <div style="display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--warning-bg); color: var(--warning-text); border-radius: var(--radius-md);">
+              <svg
+                width="20"
+                height="20"
+                viewBox="0 0 24 24"
+                fill="none"
+                stroke="currentColor"
+                stroke-width="2"
+              >
+                <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"></path>
+              </svg>
+            </div>
+            <div>
+              <h3 style="margin: 0; font-size: 1.1rem; color: var(--text-primary);">
+                Zero-Trust Recovery Backup
+              </h3>
+              <p style="margin: 0; font-size: 0.85rem; color: var(--text-secondary);">
+                2-of-3 Shamir's Secret Sharing Matrix & Cold 12-Word Voucher
+              </p>
+            </div>
           </div>
 
+          <span class="badge badge-warning">Active Protection</span>
+        </div>
+
+        <p style="color: var(--text-secondary); font-size: 0.875rem; line-height: 1.5; margin: 0 0 1.25rem 0;">
+          If you lose your hardware keys or mobile device, your 12-word recovery
+          voucher combined with your secret PIN allows you to re-enroll a fresh
+          passkey without admin assistance.
+        </p>
+
+        <div style="display: flex; gap: 0.75rem; flex-wrap: wrap;">
+          <button
+            type="button"
+            id="regenVoucherBtn"
+            class="btn-outline"
+            style="font-size: 0.85rem;"
+          >
+            📋 Generate Fresh 12-Word Recovery Voucher
+          </button>
+        </div>
+
+        <div
+          id="voucherModal"
+          style="display: none; margin-top: 1.5rem; padding: 1.25rem; background: var(--surface-muted); border-radius: var(--radius-md); border: 1px solid var(--border-subtle);"
+        >
+          <div style="font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem;">
+            New 12-Word Recovery Voucher:
+          </div>
+          <div
+            id="generatedWordGrid"
+            style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; margin-bottom: 1rem;"
+          >
+            {/* Populated dynamically */}
+          </div>
+          <button
+            type="button"
+            id="copyVoucherBtn"
+            class="btn-primary"
+            style="width: 100%;"
+          >
+            Copy All 12 Words
+          </button>
+        </div>
+      </div>
+
+      <style>
+        {`
+          @media (min-width: 768px) {
+            .desktop-only { display: block !important; }
+            .mobile-only { display: none !important; }
+          }
+          @media (max-width: 767px) {
+            .desktop-only { display: none !important; }
+            .mobile-only { display: flex !important; }
+          }
+          .word-cell {
+            background: var(--surface-card);
+            border: 1px solid var(--border-subtle);
+            border-radius: var(--radius-sm);
+            padding: 0.35rem 0.65rem;
+            font-size: 0.85rem;
+            font-family: monospace;
+            display: flex;
+            align-items: center;
+            gap: 0.5rem;
+          }
+        `}
+      </style>
+
       <script
+        type="module"
         dangerouslySetInnerHTML={{
           __html: `
-          // Revoke Passkey Logic
+          import { entropyToMnemonic } from '/public/ui/utils/bip39.ts';
-          document.querySelectorAll('.revoke-btn').forEach(btn => {
-            btn.addEventListener('click', async (e) => {
-              if (e.target.disabled) return;
-              if (!confirm('Are you sure you want to remove this passkey? This action cannot be undone.')) return;
 
-              const passkeyId = e.target.getAttribute('data-passkey-id');
+          // Revoke Passkey Logic
-              const originalText = e.target.textContent;
+          document.querySelectorAll('.revoke-passkey-btn').forEach(btn => {
-              e.target.textContent = 'Removing...';
+            btn.addEventListener('click', async (e) => {
-              e.target.disabled = true;
+              if (e.currentTarget.disabled) return;
+              if (!confirm('Are you sure you want to remove this passkey?')) return;
+
+              const passkeyId = e.currentTarget.getAttribute('data-passkey-id');
+              const originalText = e.currentTarget.textContent;
+              e.currentTarget.textContent = 'Removing...';
+              e.currentTarget.disabled = true;
 
               try {
                 const res = await fetch(\`/api/passkeys/\${passkeyId}\`, {
@@ -178,13 +345,13 @@ export const PasskeysPage = ({
                 } else {
                   const data = await res.json();
                   alert(data.error || 'Failed to remove passkey');
-                  e.target.textContent = originalText;
+                  e.currentTarget.textContent = originalText;
-                  e.target.disabled = false;
+                  e.currentTarget.disabled = false;
                 }
               } catch (err) {
                 alert('An error occurred');
-                e.target.textContent = originalText;
+                e.currentTarget.textContent = originalText;
-                e.target.disabled = false;
+                e.currentTarget.disabled = false;
               }
             });
           });
@@ -196,77 +363,88 @@ export const PasskeysPage = ({
           const confirmBtn = document.getElementById('confirmAddPasskeyBtn');
           const statusDiv = document.getElementById('addPasskeyStatus');
 
-          addBtn.addEventListener('click', () => {
+          addBtn?.addEventListener('click', () => {
             addContainer.style.display = 'block';
             addBtn.style.display = 'none';
           });
 
-          cancelBtn.addEventListener('click', () => {
+          cancelBtn?.addEventListener('click', () => {
             addContainer.style.display = 'none';
-            addBtn.style.display = 'block';
+            addBtn.style.display = 'inline-flex';
             statusDiv.textContent = '';
           });
 
-          confirmBtn.addEventListener('click', async () => {
+          confirmBtn?.addEventListener('click', async () => {
             confirmBtn.disabled = true;
-            statusDiv.textContent = 'Setting up passkey... Follow the prompt on your device.';
+            statusDiv.textContent = 'Follow prompt on device...';
-            statusDiv.style.color = '#007bff';
+            statusDiv.style.color = 'var(--primary)';
 
             try {
-              // 1. Fetch challenge
+              const resp = await fetch("/api/passkeys/register/challenge", { method: "POST" });
-              const resp = await fetch("/api/passkeys/register/challenge", {
-                method: "POST",
-              });
               const data = await resp.json();
-
               if (!resp.ok) {
                 statusDiv.textContent = data.error || "Failed to get registration challenge";
-                statusDiv.style.color = 'red';
+                statusDiv.style.color = 'var(--danger)';
                 confirmBtn.disabled = false;
                 return;
               }
 
-              // 2. Pass challenge to authenticator
               const { startRegistration } = SimpleWebAuthnBrowser;
-              let attResp;
+              const attResp = await startRegistration({ optionsJSON: data.options });
-              try {
-                attResp = await startRegistration(data.options);
-              } catch (error) {
-                statusDiv.textContent = error.message || "Registration failed on device";
-                statusDiv.style.color = 'red';
-                confirmBtn.disabled = false;
-                return;
-              }
 
-              // 3. Send response back to verify
               const verificationResp = await fetch("/api/passkeys/register/verify", {
                 method: "POST",
-                headers: {
+                headers: { "Content-Type": "application/json" },
-                  "Content-Type": "application/json",
+                body: JSON.stringify({ response: attResp }),
-                },
-                body: JSON.stringify({
-                  response: attResp,
-                }),
               });
 
               const verificationJSON = await verificationResp.json();
-
               if (verificationJSON.success) {
-                statusDiv.textContent = "Passkey added successfully! Reloading...";
+                statusDiv.textContent = "Passkey registered successfully! Reloading...";
-                statusDiv.style.color = 'green';
+                statusDiv.style.color = 'var(--success-text)';
                 setTimeout(() => window.location.reload(), 1000);
               } else {
                 statusDiv.textContent = verificationJSON.error || "Registration verification failed";
-                statusDiv.style.color = 'red';
+                statusDiv.style.color = 'var(--danger)';
                 confirmBtn.disabled = false;
               }
             } catch (err) {
-              console.error(err);
+              statusDiv.textContent = err.message || 'An error occurred.';
-              statusDiv.textContent = 'An unexpected error occurred.';
+              statusDiv.style.color = 'var(--danger)';
-              statusDiv.style.color = 'red';
               confirmBtn.disabled = false;
             }
           });
+
+          // Re-generate Recovery Voucher
+          let backupMnemonic = "";
+          document.getElementById('regenVoucherBtn')?.addEventListener('click', async () => {
+            const entropy = new Uint8Array(16);
+            crypto.getRandomValues(entropy);
+            backupMnemonic = await entropyToMnemonic(entropy);
+
+            const grid = document.getElementById('generatedWordGrid');
+            grid.innerHTML = backupMnemonic.split(' ').map((w, idx) => \`
+              <div class="word-cell">
+                <span style="color: var(--text-muted); font-size: 0.75rem; width: 18px;">\${idx + 1}.</span>
+                <span style="color: var(--text-primary); font-weight: 600;">\${w}</span>
+              </div>
+            \`).join('');
+
+            document.getElementById('voucherModal').style.display = 'block';
+          });
+
+          document.getElementById('copyVoucherBtn')?.addEventListener('click', async () => {
+            if (!backupMnemonic) return;
+            try {
+              await navigator.clipboard.writeText(backupMnemonic);
+              const btn = document.getElementById('copyVoucherBtn');
+              const origHtml = btn.innerHTML;
+              btn.innerHTML = '<span>✓ Copied 12 Words to Clipboard!</span>';
+              setTimeout(() => { btn.innerHTML = origHtml; }, 2500);
+            } catch (_e) {
+              alert(backupMnemonic);
+            }
+          });
         `,
         }}
       >

ui/components/SessionsPage.tsx

@@ -11,22 +11,22 @@ export const SessionsPage = ({
 }) => {
   return (
     <AuthenticatedLayout
-      title="Active Sessions"
+      title="Sessions"
       currentPath="/dashboard/sessions"
       isAdmin={isAdmin}
     >
-      <div class="card">
+      <div style="margin-bottom: 2rem;">
-        <h2>Active Sessions</h2>
+        <h1 style="font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem 0; color: var(--text-primary);">
-        <p
+          Active Sessions
-          style={{
+        </h1>
-            color: "#6c757d",
+        <p style="color: var(--text-secondary); margin: 0; font-size: 0.95rem;">
-            fontSize: "0.9rem",
+          Manage and revoke authenticated device sessions connected to your
-            marginBottom: "1.5rem",
+          account.
-          }}
-        >
-          Review and revoke active sessions connected to your account.
         </p>
+      </div>
 
+      {/* Desktop Table View (≥ 768px) */}
+      <div class="card desktop-only" style="display: none;">
         <div class="table-container">
           <table>
             <thead>
@@ -43,7 +43,7 @@ export const SessionsPage = ({
                   <tr>
                     <td
                       colSpan={4}
-                      style={{ textAlign: "center", padding: "2rem" }}
+                      style="text-align: center; padding: 2rem; color: var(--text-muted);"
                     >
                       No active sessions found.
                     </td>
@@ -61,16 +61,25 @@ export const SessionsPage = ({
                                 Current Session
                               </span>
                             )
-                            : <span class="badge badge-secondary">Active</span>}
+                            : (
+                              <span class="badge badge-secondary">
+                                Remote Session
+                              </span>
+                            )}
+                        </td>
+                        <td style="color: var(--text-secondary);">
+                          {new Date(session.created_at).toLocaleString()}
+                        </td>
+                        <td style="color: var(--text-secondary);">
+                          {new Date(session.expires_at).toLocaleString()}
                         </td>
-                        <td>{new Date(session.created_at).toLocaleString()}</td>
-                        <td>{new Date(session.expires_at).toLocaleString()}</td>
                         <td>
                           {!isCurrent && (
                             <button
                               type="button"
                               class="btn-danger revoke-btn"
                               data-session-id={session.id}
+                              style="padding: 0.35rem 0.75rem; font-size: 0.85rem; min-height: 32px;"
                             >
                               Revoke
                             </button>
@@ -85,6 +94,104 @@ export const SessionsPage = ({
         </div>
       </div>
 
+      {/* Mobile Adaptive Cards View (< 768px) */}
+      <div
+        class="mobile-only"
+        style="display: flex; flex-direction: column; gap: 1rem;"
+      >
+        {sessions.length === 0
+          ? (
+            <div class="card" style="text-align: center; padding: 2rem;">
+              <p style="color: var(--text-muted); margin: 0;">
+                No active sessions found.
+              </p>
+            </div>
+          )
+          : (
+            sessions.map((session) => {
+              const isCurrent = session.id === currentSessionId;
+              return (
+                <div class="card" key={session.id} style="margin-bottom: 0;">
+                  <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem;">
+                    <div style="display: flex; align-items: center; gap: 0.5rem;">
+                      <div style="display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--surface-muted); border-radius: var(--radius-md); color: var(--text-secondary);">
+                        <svg
+                          width="20"
+                          height="20"
+                          viewBox="0 0 24 24"
+                          fill="none"
+                          stroke="currentColor"
+                          stroke-width="2"
+                          stroke-linecap="round"
+                          stroke-linejoin="round"
+                        >
+                          <rect
+                            width="14"
+                            height="20"
+                            x="5"
+                            y="2"
+                            rx="2"
+                            ry="2"
+                          >
+                          </rect>
+                          <line x1="12" x2="12.01" y1="18" y2="18"></line>
+                        </svg>
+                      </div>
+                      <div>
+                        <div style="font-weight: 600; font-size: 0.95rem; color: var(--text-primary);">
+                          {isCurrent ? "This Device" : "Remote Device"}
+                        </div>
+                        <div style="font-size: 0.75rem; color: var(--text-muted); font-family: monospace;">
+                          {session.id.substring(0, 13)}...
+                        </div>
+                      </div>
+                    </div>
+
+                    {isCurrent
+                      ? <span class="badge badge-success">Active Now</span>
+                      : <span class="badge badge-secondary">Active</span>}
+                  </div>
+
+                  <div style="font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.6;">
+                    <div>
+                      <strong>Signed in:</strong>{" "}
+                      {new Date(session.created_at).toLocaleString()}
+                    </div>
+                    <div>
+                      <strong>Expires:</strong>{" "}
+                      {new Date(session.expires_at).toLocaleString()}
+                    </div>
+                  </div>
+
+                  {!isCurrent && (
+                    <button
+                      type="button"
+                      class="btn-danger revoke-btn"
+                      data-session-id={session.id}
+                      style="width: 100%; min-height: 44px;"
+                    >
+                      Revoke Device Session
+                    </button>
+                  )}
+                </div>
+              );
+            })
+          )}
+      </div>
+
+      <style>
+        {`
+          @media (min-width: 768px) {
+            .desktop-only { display: block !important; }
+            .mobile-only { display: none !important; }
+          }
+          @media (max-width: 767px) {
+            .desktop-only { display: none !important; }
+            .mobile-only { display: flex !important; }
+          }
+        `}
+      </style>
+
       <script
         dangerouslySetInnerHTML={{
           __html: `
@@ -92,10 +199,10 @@ export const SessionsPage = ({
             btn.addEventListener('click', async (e) => {
               if (!confirm('Are you sure you want to revoke this session?')) return;
 
-              const sessionId = e.target.getAttribute('data-session-id');
+              const sessionId = e.currentTarget.getAttribute('data-session-id');
-              const originalText = e.target.textContent;
+              const originalText = e.currentTarget.textContent;
-              e.target.textContent = 'Revoking...';
+              e.currentTarget.textContent = 'Revoking...';
-              e.target.disabled = true;
+              e.currentTarget.disabled = true;
 
               try {
                 const res = await fetch(\`/api/sessions/\${sessionId}\`, {
@@ -103,18 +210,17 @@ export const SessionsPage = ({
                 });
 
                 if (res.ok) {
-                  // Reload the page to reflect changes
                   window.location.reload();
                 } else {
                   const data = await res.json();
                   alert(data.error || 'Failed to revoke session');
-                  e.target.textContent = originalText;
+                  e.currentTarget.textContent = originalText;
-                  e.target.disabled = false;
+                  e.currentTarget.disabled = false;
                 }
               } catch (err) {
                 alert('An error occurred');
-                e.target.textContent = originalText;
+                e.currentTarget.textContent = originalText;
-                e.target.disabled = false;
+                e.currentTarget.disabled = false;
               }
             });
           });