Apptag/ContentView.swift
@@ -211,6 +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"
@@ -270,10 +272,10 @@
        if phase != .none {
            NotificationCenter.default.post(name: .apptagEditModeChanged, object: nil, userInfo: ["active": true])
            NSApp.activate(ignoringOtherApps: true)
            // Sync drag order from database when entering edit mode
            if draggedTagNames.isEmpty {
                draggedTagNames = TagEditor.orderedTagNames()
            }
            // Always sync tag list from database when entering edit mode
            let store = TagDatabase.load()
            tagColors = store.tags.mapValues { $0.color }
            draggedTagNames = TagEditor.orderedTagNames()
        }
        editPhase = phase
        if phase == .none {
@@ -364,23 +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