Add optional nursery roster composition

web/styles.css

@@ -460,6 +460,53 @@ h1 {
   line-height: 1.5;
 }
 
+.drop-requirements {
+  position: relative;
+  z-index: 1;
+  margin-top: 3px;
+  color: var(--ink-soft);
+  font-size: 0.72rem;
+  line-height: 1.5;
+}
+
+.selected-files {
+  position: relative;
+  z-index: 1;
+  display: grid;
+  width: min(100%, 440px);
+  gap: 7px;
+  margin-top: 17px;
+}
+
+.selected-file {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 14px;
+  min-width: 0;
+  padding: 9px 11px;
+  color: var(--ink);
+  border: 1px solid var(--line);
+  border-radius: 9px;
+  background: var(--surface-solid);
+  text-align: left;
+}
+
+.selected-file-name {
+  min-width: 0;
+  overflow: hidden;
+  font-size: 0.76rem;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.selected-file-size {
+  color: var(--ink-soft);
+  font-size: 0.69rem;
+  font-variant-numeric: tabular-nums;
+  white-space: nowrap;
+}
+
 .field-block {
   margin-top: 30px;
 }
@@ -634,6 +681,17 @@ legend {
   font-size: 0.72rem;
 }
 
+.combined-settings-note {
+  margin: 17px 0 2px;
+  padding: 10px 12px;
+  color: var(--ink-soft);
+  border: 1px solid var(--line);
+  border-radius: 9px;
+  background: var(--surface-solid);
+  font-size: 0.72rem;
+  line-height: 1.5;
+}
+
 .canvas-lock {
   margin: 18px 0 0;
   padding: 11px 13px;