Improve program hierarchy 6123

css/program-explorer.css

@@ -0,0 +1,302 @@
+/* Program Explorer Styles */
+
+.program-explorer {
+    position: fixed;
+    top: 60px;
+    right: 20px;
+    width: 300px;
+    height: calc(100vh - 100px);
+    background: #ffffff;
+    border: 1px solid #cccccc;
+    border-radius: 8px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    z-index: 1000;
+    display: flex;
+    flex-direction: column;
+    font-family: "Noto Sans", sans-serif;
+    font-size: 14px;
+}
+
+/* Dark mode support */
+body.dark .program-explorer {
+    background: #2e2e2e;
+    border-color: #555555;
+    color: #ffffff;
+}
+
+.program-explorer-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 16px;
+    border-bottom: 1px solid #e0e0e0;
+    background: #f5f5f5;
+    border-radius: 8px 8px 0 0;
+}
+
+body.dark .program-explorer-header {
+    background: #3e3e3e;
+    border-bottom-color: #555555;
+}
+
+.program-explorer-header h3 {
+    margin: 0;
+    font-size: 16px;
+    font-weight: 600;
+    color: #333333;
+}
+
+body.dark .program-explorer-header h3 {
+    color: #ffffff;
+}
+
+.explorer-close-btn {
+    background: none;
+    border: none;
+    cursor: pointer;
+    padding: 4px;
+    border-radius: 4px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: #666666;
+    transition: background-color 0.2s;
+}
+
+.explorer-close-btn:hover {
+    background-color: rgba(0, 0, 0, 0.1);
+}
+
+body.dark .explorer-close-btn {
+    color: #cccccc;
+}
+
+body.dark .explorer-close-btn:hover {
+    background-color: rgba(255, 255, 255, 0.1);
+}
+
+.explorer-close-btn i {
+    font-size: 18px;
+}
+
+.program-explorer-tree {
+    flex: 1;
+    overflow-y: auto;
+    padding: 8px;
+}
+
+.explorer-empty {
+    text-align: center;
+    color: #666666;
+    font-style: italic;
+    padding: 20px;
+}
+
+body.dark .explorer-empty {
+    color: #cccccc;
+}
+
+.explorer-tree-node {
+    margin-bottom: 2px;
+}
+
+.explorer-node-content {
+    display: flex;
+    align-items: center;
+    padding: 8px 12px;
+    cursor: pointer;
+    border-radius: 4px;
+    transition: background-color 0.2s;
+    user-select: none;
+}
+
+.explorer-node-content:hover {
+    background-color: rgba(0, 123, 255, 0.1);
+}
+
+body.dark .explorer-node-content:hover {
+    background-color: rgba(0, 123, 255, 0.2);
+}
+
+.explorer-expand-icon {
+    font-size: 18px !important;
+    margin-right: 4px;
+    color: #666666;
+    transition: transform 0.2s;
+}
+
+body.dark .explorer-expand-icon {
+    color: #cccccc;
+}
+
+.explorer-spacer {
+    margin-right: 4px;
+}
+
+.explorer-block-icon {
+    font-size: 16px !important;
+    margin-right: 8px;
+    color: #0066ff;
+}
+
+.explorer-node-name {
+    flex: 1;
+    color: #333333;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+body.dark .explorer-node-name {
+    color: #ffffff;
+}
+
+.explorer-children {
+    margin-left: 8px;
+}
+
+.explorer-tree-node.collapsed .explorer-children {
+    display: none;
+}
+
+.explorer-tree-node.collapsed .explorer-expand-icon {
+    transform: rotate(-90deg);
+}
+
+/* Toggle button */
+.explorer-toggle-btn {
+    position: fixed;
+    top: 120px;
+    right: 20px;
+    width: 48px;
+    height: 48px;
+    background: #0066ff;
+    border: none;
+    border-radius: 50%;
+    color: white;
+    cursor: pointer;
+    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.3);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: all 0.3s ease;
+    z-index: 999;
+}
+
+/* Hide during Cypress tests */
+body[data-cypress="true"] .explorer-toggle-btn,
+body[data-cypress="true"] .program-explorer {
+    display: none !important;
+}
+
+.explorer-toggle-btn:hover {
+    background: #0052cc;
+    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
+    transform: translateY(-1px);
+}
+
+.explorer-toggle-btn:active {
+    transform: translateY(0);
+}
+
+.explorer-toggle-btn.active {
+    background: #0052cc;
+}
+
+.explorer-toggle-btn i {
+    font-size: 24px !important;
+}
+
+/* Responsive design */
+@media (max-width: 768px) {
+    .program-explorer {
+        width: 250px;
+        right: 10px;
+        top: 50px;
+        height: calc(100vh - 80px);
+    }
+
+    .explorer-toggle-btn {
+        right: 10px;
+        top: 90px;
+    }
+}
+
+@media (max-width: 480px) {
+    .program-explorer {
+        width: 200px;
+        right: 5px;
+        top: 40px;
+        height: calc(100vh - 60px);
+    }
+
+    .explorer-toggle-btn {
+        right: 5px;
+        top: 80px;
+        width: 40px;
+        height: 40px;
+    }
+
+    .explorer-toggle-btn i {
+        font-size: 20px !important;
+    }
+
+    .explorer-node-content {
+        padding: 6px 8px;
+    }
+
+    .program-explorer-header {
+        padding: 12px;
+    }
+
+    .program-explorer-header h3 {
+        font-size: 14px;
+    }
+}
+
+/* Scrollbar styling */
+.program-explorer-tree::-webkit-scrollbar {
+    width: 6px;
+}
+
+.program-explorer-tree::-webkit-scrollbar-track {
+    background: #f1f1f1;
+    border-radius: 3px;
+}
+
+body.dark .program-explorer-tree::-webkit-scrollbar-track {
+    background: #3e3e3e;
+}
+
+.program-explorer-tree::-webkit-scrollbar-thumb {
+    background: #c1c1c1;
+    border-radius: 3px;
+}
+
+body.dark .program-explorer-tree::-webkit-scrollbar-thumb {
+    background: #555555;
+}
+
+.program-explorer-tree::-webkit-scrollbar-thumb:hover {
+    background: #a8a8a8;
+}
+
+body.dark .program-explorer-tree::-webkit-scrollbar-thumb:hover {
+    background: #666666;
+}
+
+/* Animation for tree expansion */
+.explorer-children {
+    transition: all 0.2s ease-in-out;
+    overflow: hidden;
+}
+
+/* Highlight effect for selected blocks */
+.explorer-node-content.selected {
+    background-color: rgba(0, 123, 255, 0.2);
+    border-left: 3px solid #0066ff;
+}
+
+body.dark .explorer-node-content.selected {
+    background-color: rgba(0, 123, 255, 0.3);
+}