Apptag/ContentView.swift
@@ -203,6 +203,7 @@
    @State private var selectedTagNames: Set<String> = []
    @State private var successToast: String? = nil
    @State private var draggedTagNames: [String] = []  // live drag order
    @State private var dragItem: String? = nil          // currently dragged tag
    // Configurable defaults
    @AppStorage("defaultGroupName") private var defaultGroupName = "Other"
@@ -210,6 +211,8 @@
    @AppStorage("iconSize") private var iconSize: Double = 56
    @AppStorage("tagPosition") private var tagPosition = "left"
    @State private var notchHeight: CGFloat = 0
    @AppStorage("displayMode") private var displayMode = "flat"
    @AppStorage("hideAppNames") private var hideAppNames = false
    private var isSideLayout: Bool {
        tagPosition == "left" || tagPosition == "right"
@@ -363,23 +366,112 @@
                Spacer()
                ProgressView().scaleEffect(0.8)
                Spacer()
            } else if displayMode == "container" {
                containerGrid
            } else {
                ScrollViewReader { proxy in
                    ScrollView {
                        LazyVStack(alignment: .leading, spacing: 24) {
                            ForEach(groups) { group in
                                TagGroupView(
                                    group: group,
                                    onSelectApp: { app in openApp(app) },
                                    tagFontSize: tagFontSize,
                                    iconSize: iconSize
                                ).id(group.id)
                flatGrid
            }
        }
    }
    private var flatGrid: some View {
        ScrollViewReader { proxy in
            ScrollView {
                LazyVStack(alignment: .leading, spacing: 24) {
                    ForEach(groups) { group in
                        TagGroupView(
                            group: group,
                            onSelectApp: { app in openApp(app) },
                            tagFontSize: tagFontSize,
                            iconSize: iconSize,
                            showNames: !hideAppNames
                        ).id(group.id)
                    }
                }.padding(20)
            }.onAppear { scrollProxy = proxy }
        }
    }
    private var containerGrid: some View {
        GeometryReader { geo in
            let outerPad: CGFloat = 20
            let gap: CGFloat = 16
            let available = geo.size.width - outerPad * 2
            let colW: CGFloat = 280
            let colCount = max(1, Int((available + gap) / (colW + gap)))
            let actualColW = (available - gap * CGFloat(colCount - 1)) / CGFloat(colCount)
            let columns = distributeToColumns(groups: groups, colCount: colCount, colWidth: actualColW)
            ScrollView {
                HStack(alignment: .top, spacing: gap) {
                    ForEach(0..<colCount, id: \.self) { ci in
                        LazyVStack(spacing: gap) {
                            ForEach(columns[ci]) { group in
                                masonryCard(group, width: actualColW)
                                    .id(group.id)
                            }
                        }.padding(20)
                    }.onAppear { scrollProxy = proxy }
                        }
                    }
                }
                .padding(outerPad)
            }
        }
    }
    /// Distribute groups to the shortest column.
    private func distributeToColumns(groups: [TagGroup], colCount: Int, colWidth: CGFloat) -> [[TagGroup]] {
        var cols = Array(repeating: [TagGroup](), count: colCount)
        var h = Array(repeating: CGFloat(0), count: colCount)
        for g in groups {
            let est = estimatedCardHeight(g, width: colWidth)
            let ci = h.firstIndex(of: h.min()!)!
            cols[ci].append(g)
            h[ci] += est + 16
        }
        return cols
    }
    private func estimatedCardHeight(_ group: TagGroup, width: CGFloat) -> CGFloat {
        let inner = width - 32
        let itemW = iconSize + 28 + 6
        let perRow = max(1, Int(inner / itemW))
        let rows = (group.apps.count + perRow - 1) / perRow
        return 32 + CGFloat(rows) * (iconSize + 30)
    }
    private func masonryCard(_ group: TagGroup, width: CGFloat) -> some View {
        VStack(alignment: .leading, spacing: 6) {
            HStack(spacing: 0) {
                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
                Text(group.name)
                    .font(.system(size: tagFontSize, weight: .semibold))
                    .foregroundStyle(.secondary)
                    .lineLimit(1)
                    .truncationMode(.middle)
                    .padding(.horizontal, 10)
                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
            }
            let itemSize = iconSize + 28
            LazyVGrid(
                columns: [GridItem(.adaptive(minimum: itemSize, maximum: itemSize + 36), spacing: 6)],
                spacing: 2
            ) {
                ForEach(group.apps) { app in
                    AppGridItem(app: app, iconSize: iconSize, showName: !hideAppNames, onSelect: { openApp(app) })
                }
            }
        }
        .frame(maxWidth: width)
        .padding(16)
        .background(
            RoundedRectangle(cornerRadius: 14)
                .fill(.ultraThinMaterial)
        )
        .overlay(
            RoundedRectangle(cornerRadius: 14)
                .stroke(Color.primary.opacity(0.08), lineWidth: 1)
        )
    }
    // MARK: - Edit Tags View
@@ -438,23 +530,32 @@
            HStack(spacing: 0) {
                VStack(alignment: .leading, spacing: 4) {
                    Text("Select tags:").font(.caption).foregroundStyle(.secondary).padding(.bottom, 4)
                    List {
                        ForEach(sortedTagNames, id: \.self) { tagName in
                            selectableTagItem(tagName)
                        }
                        .onMove { from, to in
                            var names = sortedTagNames
                            names.move(fromOffsets: from, toOffset: to)
                            // Persist the new order
                            let fullOrder = TagEditor.orderedTagNames()
                            let otherTags = fullOrder.filter { !names.contains($0) }
                            draggedTagNames = names + otherTags
                            TagEditor.reorderTags(draggedTagNames)
                        }
                    }
                    .listStyle(.plain)
                    .scrollContentBackground(.hidden)
                    .frame(width: 170)
                    Text("Drag to reorder").font(.caption2).foregroundStyle(.tertiary).padding(.bottom, 2)
                    ScrollView(.vertical, showsIndicators: false) {
                        VStack(spacing: 4) {
                            ForEach(sortedTagNames, id: \.self) { tagName in
                                selectableTagItem(tagName)
                                    .onDrag {
                                        dragItem = tagName
                                        return NSItemProvider(object: tagName as NSString)
                                    }
                                    .onDrop(of: [.text], isTargeted: nil) { providers, _ in
                                        guard let fromName = dragItem,
                                              var names = draggedTagNames as [String]?,
                                              let fromIdx = names.firstIndex(of: fromName),
                                              let toIdx = names.firstIndex(of: tagName),
                                              fromIdx != toIdx
                                        else { return false }
                                        let toOffset = toIdx > fromIdx ? toIdx + 1 : toIdx
                                        names.move(fromOffsets: [fromIdx], toOffset: toOffset)
                                        draggedTagNames = names
                                        TagEditor.reorderTags(names)
                                        dragItem = nil
                                        return true
                                    }
                            }
                        }.padding(12)
                    }.frame(width: 155)
                }
                Rectangle().fill(.secondary.opacity(0.12)).frame(width: 1)
@@ -497,22 +598,21 @@
    private func selectableTagItem(_ tagName: String) -> some View {
        let isSelected = selectedTagNames.contains(tagName)
        return Button {
            if isSelected { selectedTagNames.remove(tagName) } else { selectedTagNames.insert(tagName) }
        } label: {
            HStack(spacing: 6) {
                Circle()
                    .fill(isSelected ? Color.accentColor : Color.secondary.opacity(0.3))
                    .frame(width: 16, height: 16)
                    .overlay(isSelected ? Image(systemName: "checkmark").font(.system(size: 8, weight: .bold)).foregroundStyle(.white) : nil)
                Text(tagName).font(.system(size: 13, weight: .medium)).foregroundStyle(.primary)
            }
            .padding(.horizontal, 10).padding(.vertical, 5)
            .frame(maxWidth: .infinity, alignment: .leading)
            .background(RoundedRectangle(cornerRadius: 6)
                .fill(Color(nsColor: TagColor.nsColor(for: tagColors[tagName] ?? 0).withAlphaComponent(0.3))))
        return HStack(spacing: 6) {
            Circle()
                .fill(isSelected ? Color.accentColor : Color.secondary.opacity(0.3))
                .frame(width: 16, height: 16)
                .overlay(isSelected ? Image(systemName: "checkmark").font(.system(size: 8, weight: .bold)).foregroundStyle(.white) : nil)
            Text(tagName).font(.system(size: 13, weight: .medium)).foregroundStyle(.primary)
        }
        .buttonStyle(.plain)
        .padding(.horizontal, 10).padding(.vertical, 5)
        .frame(maxWidth: .infinity, alignment: .leading)
        .background(RoundedRectangle(cornerRadius: 6)
            .fill(Color(nsColor: TagColor.nsColor(for: tagColors[tagName] ?? 0).withAlphaComponent(0.3))))
        .contentShape(RoundedRectangle(cornerRadius: 6))
        .onTapGesture {
            if isSelected { selectedTagNames.remove(tagName) } else { selectedTagNames.insert(tagName) }
        }
    }
    private func confirmAssign() {