snapshot: preserve session hardening and account surface

backend/workflows/static/workflows/css/app_chrome.css

@@ -180,6 +180,143 @@
   align-items: center;
 }
 
+.app-user-menu {
+  position: relative;
+}
+
+.app-user-trigger {
+  list-style: none;
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+  min-height: 44px;
+  padding: 6px 10px 6px 6px;
+  border: 1px solid var(--app-line);
+  border-radius: 999px;
+  background: rgba(248, 251, 255, 0.92);
+  color: #1f3a5f;
+  cursor: pointer;
+  transition:
+    border-color var(--motion-fast) var(--motion-ease),
+    background-color var(--motion-fast) var(--motion-ease),
+    transform var(--motion-fast) var(--motion-ease),
+    box-shadow var(--motion-fast) var(--motion-ease);
+}
+
+.app-user-trigger::-webkit-details-marker {
+  display: none;
+}
+
+.app-user-trigger:hover {
+  transform: translateY(-1px);
+}
+
+.app-user-menu[open] .app-user-trigger {
+  border-color: rgba(0, 0, 120, 0.22);
+  box-shadow: 0 0 0 4px rgba(0, 0, 120, 0.08);
+}
+
+.app-user-avatar {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(180deg, var(--app-brand-blue), #1d3ca8);
+  color: #fff;
+  font-size: 11px;
+  font-weight: 800;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+}
+
+.app-user-copy {
+  display: grid;
+  gap: 1px;
+  text-align: left;
+}
+
+.app-user-copy strong {
+  font-size: 13px;
+  line-height: 1.2;
+}
+
+.app-user-copy span {
+  color: #64748b;
+  font-size: 11px;
+  line-height: 1.2;
+}
+
+.app-user-caret {
+  color: #64748b;
+  font-size: 12px;
+}
+
+.app-user-panel {
+  position: absolute;
+  top: calc(100% + 10px);
+  right: 0;
+  min-width: 220px;
+  padding: 10px;
+  border: 1px solid rgba(217, 227, 238, 0.96);
+  border-radius: 18px;
+  background: rgba(255, 255, 255, 0.98);
+  box-shadow: 0 24px 44px rgba(18, 34, 56, 0.16);
+  display: grid;
+  gap: 4px;
+  z-index: 40;
+}
+
+.app-user-panel-head {
+  display: grid;
+  gap: 2px;
+  padding: 4px 6px 8px;
+  margin-bottom: 4px;
+  border-bottom: 1px solid rgba(217, 227, 238, 0.85);
+}
+
+.app-user-panel-head strong {
+  color: #132238;
+  font-size: 13px;
+  line-height: 1.2;
+}
+
+.app-user-panel-head span {
+  color: #64748b;
+  font-size: 12px;
+  line-height: 1.4;
+}
+
+.app-user-panel a,
+.app-user-panel button {
+  width: 100%;
+  border: 0;
+  border-radius: 12px;
+  background: transparent;
+  color: #1f3a5f;
+  font: inherit;
+  font-size: 13px;
+  font-weight: 700;
+  text-align: left;
+  text-decoration: none;
+  padding: 10px 12px;
+  cursor: pointer;
+  transition:
+    background-color var(--motion-fast) var(--motion-ease),
+    color var(--motion-fast) var(--motion-ease);
+}
+
+.app-user-panel a:hover,
+.app-user-panel button:hover {
+  background: #f4f8ff;
+  color: var(--app-brand-blue);
+}
+
+.app-user-panel form {
+  margin: 0;
+}
+
 .app-lang-switch {
   display: flex;
   gap: 6px;

backend/workflows/static/workflows/css/login.css

@@ -47,6 +47,58 @@ body {
   line-height: 1.45;
 }
 
+.account-card {
+  width: min(560px, 100%);
+}
+
+.account-grid {
+  display: grid;
+  gap: 10px;
+  margin: 0 0 16px;
+}
+
+.account-row {
+  display: flex;
+  justify-content: space-between;
+  gap: 16px;
+  align-items: baseline;
+  padding: 10px 12px;
+  border: 1px solid #d9e3f0;
+  border-radius: 12px;
+  background: #f9fbff;
+}
+
+.account-row span {
+  color: #607086;
+  font-size: 13px;
+}
+
+.account-row strong {
+  color: #132238;
+  font-size: 14px;
+  text-align: right;
+}
+
+.account-actions {
+  display: flex;
+  gap: 10px;
+}
+
+.account-actions .btn {
+  width: auto;
+}
+
+.account-actions form {
+  margin: 0;
+}
+
+.hint {
+  margin-top: 6px;
+  color: #8a5a00;
+  font-size: 12px;
+  line-height: 1.4;
+}
+
 .field {
   margin-bottom: 12px;
 }
@@ -114,4 +166,21 @@ body {
     padding: 18px;
     border-radius: 16px;
   }
+
+  .account-row {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .account-row strong {
+    text-align: left;
+  }
+
+  .account-actions {
+    flex-direction: column;
+  }
+
+  .account-actions .btn {
+    width: 100%;
+  }
 }