improved condition json to have UI integration

website/css/style.css

@@ -1726,3 +1726,61 @@ select:disabled {
     color: var(--text-secondary);
     cursor: not-allowed;
 }
+
+/* Questionnaire availability condition editor */
+.condition-editor {
+    padding: 16px;
+    background: var(--surface-muted);
+    border: 1px solid var(--border);
+    border-radius: 8px;
+}
+.condition-mode-panel {
+    margin-top: 12px;
+}
+.condition-requires-list {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    max-height: 200px;
+    overflow-y: auto;
+    padding: 8px;
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: 6px;
+}
+.condition-requires-item {
+    margin: 0;
+}
+.condition-answer-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+    gap: 12px;
+}
+.condition-answer-grid select,
+.condition-editor .form-group > select {
+    width: 100%;
+}
+.condition-anyof-rule {
+    margin-bottom: 12px;
+    padding: 12px;
+}
+.condition-json-fallback {
+    width: 100%;
+    font-family: ui-monospace, monospace;
+    font-size: 0.85rem;
+    padding: 8px 12px;
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    background: var(--surface);
+    color: var(--text);
+}
+.condition-locked-message .meta-form {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 12px;
+}
+@media (max-width: 720px) {
+    .condition-locked-message .meta-form {
+        grid-template-columns: 1fr;
+    }
+}