feat: folder upload - deel 3

webui/html/base.css

@@ -577,6 +577,50 @@ button:disabled {
   justify-content: center;
 }
 
+.split-button {
+  position: relative;
+  display: inline-flex;
+  align-items: stretch;
+}
+
+.split-button > button {
+  min-width: 0;
+}
+
+#upload-btn {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+#upload-menu-toggle {
+  min-width: 32px;
+  padding-left: 7px;
+  padding-right: 7px;
+  border-left: 1px solid var(--color-border);
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.split-menu {
+  position: absolute;
+  left: 0;
+  bottom: calc(100% + 6px);
+  min-width: 148px;
+  display: grid;
+  gap: 4px;
+  padding: 6px;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  background: var(--color-surface-elevated);
+  box-shadow: var(--shadow-elevated);
+  z-index: 20;
+}
+
+.split-menu button {
+  width: 100%;
+  justify-content: flex-start;
+}
+
 .shortcut-hint {
   color: var(--color-text-muted);
   font-size: 10px;