Visitor sign in kiosk: multi-site, badge printing, WWCC expiry warnings, admin accounts with 2FA

public/css/admin.css

@@ -294,3 +294,48 @@ tr.row-bad td { background: #fdf0f2; }
   word-break: break-all;
 }
 #system-body h3 { margin-bottom: 14px; }
+
+/* ------------------------------------------------- visitor photo editor */
+
+.photo-editor { margin-bottom: 6px; }
+
+.photo-frame {
+  position: relative;
+  width: 148px;
+  aspect-ratio: 4 / 3;
+  margin-bottom: 12px;
+  background: #eef1f4;
+  border: 1px solid var(--rule);
+  border-radius: 3px;
+  overflow: hidden;
+  display: grid;
+  place-items: center;
+}
+.photo-frame img,
+.photo-frame video {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+  transform: scaleX(-1);
+}
+.photo-empty { margin: 0; padding: 0 10px; color: var(--muted); font-size: 13px; text-align: center; }
+
+.photo-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
+.photo-actions button, .photo-upload { padding: 8px 13px; font-size: 14px; }
+.photo-upload { cursor: pointer; }
+
+.thumb-empty {
+  width: 42px;
+  height: 42px;
+  border-radius: 3px;
+  background: repeating-linear-gradient(45deg, #eef1f4, #eef1f4 5px, #e3e8ed 5px, #e3e8ed 10px);
+  display: block;
+}
+
+.hint.warn {
+  padding: 9px 11px;
+  border-left: 4px solid #d9a441;
+  background: #fdf3d8;
+  color: var(--ink);
+}