Impersonation system implementation

nonpacks/static/css/style.css

@@ -2625,3 +2625,88 @@ a.deletelink {
 .autosave-status.saved { color: var(--md-sys-color-primary); }
 .autosave-status.error { color: var(--md-sys-color-error); }
 .autosave-status.idle { color: var(--md-sys-color-on-surface-variant); }
+
+/* ========== Impersonation ========== */
+.impersonate-chip {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    margin-right: 8px;
+    padding: 3px 10px 3px 4px;
+    border-radius: 999px;
+    background: var(--md-sys-color-surface-variant);
+    border: 1px solid var(--md-sys-color-outline);
+    color: var(--md-sys-color-on-surface);
+    font-size: 0.72rem;
+    font-weight: 500;
+    text-decoration: none;
+    vertical-align: middle;
+}
+.impersonate-chip:hover {
+    border-color: var(--md-sys-color-primary);
+    color: var(--md-sys-color-primary);
+}
+.impersonate-chip img {
+    width: 22px;
+    height: 22px;
+    border-radius: 50%;
+    object-fit: cover;
+}
+.impersonate-chip .default-avatar.mini,
+.default-avatar.mini {
+    width: 22px;
+    height: 22px;
+    font-size: 0.65rem;
+    flex: none;
+}
+.user-info {
+    padding: 4px 12px;
+    font-size: 0.75rem;
+    color: var(--md-sys-color-on-surface-variant);
+}
+.user-info a {
+    color: var(--md-sys-color-primary);
+}
+
+/* Users directory */
+.user-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+    gap: 16px;
+}
+.user-card {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    padding: 12px;
+    border-radius: 12px;
+    background: var(--md-sys-color-surface);
+    border: 1px solid var(--md-sys-color-outline-variant);
+    text-decoration: none;
+    color: inherit;
+}
+.user-card:hover {
+    border-color: var(--md-sys-color-primary);
+}
+.user-card-avatar {
+    width: 48px;
+    height: 48px;
+    flex: none;
+    border-radius: 50%;
+    overflow: hidden;
+    background: var(--md-sys-color-surface-variant);
+}
+.user-card-avatar img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+.user-card-body h3 {
+    margin: 0 0 4px;
+    font-size: 0.95rem;
+}
+.user-card-meta {
+    margin: 0;
+    font-size: 0.75rem;
+    color: var(--md-sys-color-on-surface-variant);
+}