//
//  CVProfileDocumentView.swift
//  App for Indeed
//
//  Renders saved profile data in a layout that follows the selected CV template’s
//  family (professional / modern / minimal / executive / creative), headline,
//  accent, section labels, and column structure.
//

import Cocoa

/// Typography and chrome derived from `CVTemplate.family` so the filled résumé
/// visibly matches the gallery card the user picked—not a single generic layout.
private struct DocumentStyle {
    let nameFont: NSFont
    let roleFont: NSFont
    let contactFont: NSFont
    let sectionFont: NSFont
    let bodyFont: NSFont
    let bodyCompactFont: NSFont
    let expTitleFont: NSFont
    let expMetaFont: NSFont
    let eduTitleFont: NSFont
    let eduMetaFont: NSFont
    let bulletBodyFont: NSFont
    let bulletMarkerFont: NSFont
    let bulletMarkerColor: NSColor
    let ink: NSColor
    let muted: NSColor
    let rule: NSColor
    let cardBackground: NSColor
    let columnVerticalSpacing: CGFloat
    let bodyBlockSpacing: CGFloat
    /// When true, the headline job title uses the template theme color.
    let roleUsesThemeColor: Bool
    /// Section heading text color (often theme; executive stays conservative).
    let sectionInk: NSColor

    static func make(for template: CVTemplate) -> DocumentStyle {
        let theme = template.themeColor
        let colors = CVResumeAppearance.colors()
        let sectionInk = CVResumeAppearance.sectionHeadingColor(for: template)
        let cardBG = CVResumeAppearance.paperBackground(
            variant: template.galleryLayoutVariant,
            base: colors.cardBackground
        )
        switch template.family {
        case .minimal:
            return DocumentStyle(
                nameFont: .systemFont(ofSize: 20, weight: .regular),
                roleFont: .systemFont(ofSize: 13.5, weight: .regular),
                contactFont: .systemFont(ofSize: 11.5, weight: .regular),
                sectionFont: .systemFont(ofSize: 10.5, weight: .semibold),
                bodyFont: .systemFont(ofSize: 12.5, weight: .regular),
                bodyCompactFont: .systemFont(ofSize: 12, weight: .regular),
                expTitleFont: .systemFont(ofSize: 13, weight: .medium),
                expMetaFont: .systemFont(ofSize: 11.5, weight: .regular),
                eduTitleFont: .systemFont(ofSize: 13, weight: .medium),
                eduMetaFont: .systemFont(ofSize: 11.5, weight: .regular),
                bulletBodyFont: .systemFont(ofSize: 12, weight: .regular),
                bulletMarkerFont: .systemFont(ofSize: 11, weight: .light),
                bulletMarkerColor: theme.withAlphaComponent(0.55),
                ink: colors.ink,
                muted: colors.muted,
                rule: colors.rule,
                cardBackground: cardBG,
                columnVerticalSpacing: 15,
                bodyBlockSpacing: 15,
                roleUsesThemeColor: false,
                sectionInk: sectionInk
            )

        case .professional:
            return DocumentStyle(
                nameFont: .systemFont(ofSize: 21, weight: .semibold),
                roleFont: .systemFont(ofSize: 13.5, weight: .medium),
                contactFont: .systemFont(ofSize: 11.5, weight: .regular),
                sectionFont: .systemFont(ofSize: 10.5, weight: .heavy),
                bodyFont: .systemFont(ofSize: 12, weight: .regular),
                bodyCompactFont: .systemFont(ofSize: 11.5, weight: .regular),
                expTitleFont: .systemFont(ofSize: 13.5, weight: .semibold),
                expMetaFont: .systemFont(ofSize: 11.5, weight: .semibold),
                eduTitleFont: .systemFont(ofSize: 13, weight: .semibold),
                eduMetaFont: .systemFont(ofSize: 11.5, weight: .medium),
                bulletBodyFont: .systemFont(ofSize: 12, weight: .regular),
                bulletMarkerFont: .systemFont(ofSize: 12, weight: .bold),
                bulletMarkerColor: theme,
                ink: colors.ink,
                muted: colors.muted,
                rule: colors.rule,
                cardBackground: cardBG,
                columnVerticalSpacing: 13,
                bodyBlockSpacing: 13,
                roleUsesThemeColor: false,
                sectionInk: sectionInk
            )

        case .modern:
            return DocumentStyle(
                nameFont: .systemFont(ofSize: 22, weight: .bold),
                roleFont: .systemFont(ofSize: 14, weight: .semibold),
                contactFont: .systemFont(ofSize: 12, weight: .regular),
                sectionFont: .systemFont(ofSize: 11, weight: .heavy),
                bodyFont: .systemFont(ofSize: 12.5, weight: .regular),
                bodyCompactFont: .systemFont(ofSize: 12, weight: .regular),
                expTitleFont: .systemFont(ofSize: 14, weight: .bold),
                expMetaFont: .systemFont(ofSize: 12, weight: .medium),
                eduTitleFont: .systemFont(ofSize: 13.5, weight: .bold),
                eduMetaFont: .systemFont(ofSize: 12, weight: .regular),
                bulletBodyFont: .systemFont(ofSize: 12.5, weight: .regular),
                bulletMarkerFont: .systemFont(ofSize: 13, weight: .bold),
                bulletMarkerColor: theme,
                ink: colors.ink,
                muted: colors.muted,
                rule: colors.rule,
                cardBackground: cardBG,
                columnVerticalSpacing: 17,
                bodyBlockSpacing: 16,
                roleUsesThemeColor: true,
                sectionInk: sectionInk
            )

        case .executive:
            let serifName = NSFont(name: "Georgia-Bold", size: 23) ?? .systemFont(ofSize: 23, weight: .semibold)
            let serifRole = NSFont(name: "Georgia", size: 14) ?? .systemFont(ofSize: 14, weight: .regular)
            let serifBody = NSFont(name: "Georgia", size: 12.5) ?? .systemFont(ofSize: 12.5, weight: .regular)
            let serifCompact = NSFont(name: "Georgia", size: 12) ?? .systemFont(ofSize: 12, weight: .regular)
            let georgia12 = NSFont(name: "Georgia", size: 12) ?? .systemFont(ofSize: 12)
            let georgia115 = NSFont(name: "Georgia", size: 11.5) ?? .systemFont(ofSize: 11.5)
            let expMeta = NSFont(name: "Georgia-Italic", size: 12)
                ?? NSFontManager.shared.convert(georgia12, toHaveTrait: .italicFontMask)
            let eduMeta = NSFont(name: "Georgia-Italic", size: 11.5)
                ?? NSFontManager.shared.convert(georgia115, toHaveTrait: .italicFontMask)
            let execCard = CVResumeAppearance.isDark
                ? cardBG
                : NSColor(srgbRed: 0.992, green: 0.99, blue: 0.985, alpha: 1)
            return DocumentStyle(
                nameFont: serifName,
                roleFont: serifRole,
                contactFont: NSFont(name: "Georgia", size: 11.5) ?? .systemFont(ofSize: 11.5),
                sectionFont: .systemFont(ofSize: 10.5, weight: .heavy),
                bodyFont: serifBody,
                bodyCompactFont: serifCompact,
                expTitleFont: NSFont(name: "Georgia-Bold", size: 14) ?? .systemFont(ofSize: 14, weight: .semibold),
                expMetaFont: expMeta,
                eduTitleFont: NSFont(name: "Georgia-Bold", size: 13.5) ?? .systemFont(ofSize: 13.5, weight: .semibold),
                eduMetaFont: eduMeta,
                bulletBodyFont: serifCompact,
                bulletMarkerFont: .systemFont(ofSize: 11, weight: .bold),
                bulletMarkerColor: colors.ink.withAlphaComponent(0.75),
                ink: colors.ink,
                muted: colors.muted,
                rule: colors.rule,
                cardBackground: execCard,
                columnVerticalSpacing: 18,
                bodyBlockSpacing: 17,
                roleUsesThemeColor: false,
                sectionInk: sectionInk
            )

        case .creative:
            return DocumentStyle(
                nameFont: .systemFont(ofSize: 23, weight: .heavy),
                roleFont: .systemFont(ofSize: 14, weight: .semibold),
                contactFont: .systemFont(ofSize: 11.5, weight: .medium),
                sectionFont: .systemFont(ofSize: 11.5, weight: .heavy),
                bodyFont: .systemFont(ofSize: 12.5, weight: .regular),
                bodyCompactFont: .systemFont(ofSize: 12, weight: .regular),
                expTitleFont: .systemFont(ofSize: 14, weight: .heavy),
                expMetaFont: .systemFont(ofSize: 12, weight: .semibold),
                eduTitleFont: .systemFont(ofSize: 13.5, weight: .heavy),
                eduMetaFont: .systemFont(ofSize: 12, weight: .medium),
                bulletBodyFont: .systemFont(ofSize: 12.5, weight: .regular),
                bulletMarkerFont: .systemFont(ofSize: 13, weight: .heavy),
                bulletMarkerColor: CVResumeAppearance.accentColor(for: template),
                ink: colors.ink,
                muted: colors.muted,
                rule: theme.withAlphaComponent(0.22),
                cardBackground: cardBG,
                columnVerticalSpacing: 18,
                bodyBlockSpacing: 17,
                roleUsesThemeColor: true,
                sectionInk: sectionInk
            )
        }
    }
}

/// Full-width résumé layout that injects `SavedProfile` into the visual language of `CVTemplate`.
final class CVProfileDocumentView: NSView {

    /// Card width used in the CV preview; also the horizontal fitting size for this view.
    /// Without this, a parent `NSStackView` that only pins `width ≤ …` can size the document from
    /// wrapping `NSTextField` intrinsic widths (~0) and the whole page collapses to a thin strip.
    private static let cardWidth: CGFloat = 640

    private let profile: SavedProfile
    private let template: CVTemplate
    private var style: DocumentStyle
    /// Matches `CVTemplatePreviewView` so the same template id + layout recipe renders the same silhouette as the gallery card.
    private let variant: Int
    private var appearanceObserver: NSObjectProtocol?
    private weak var cardView: NSView?

    init(profile: SavedProfile, template: CVTemplate) {
        self.profile = profile
        self.template = template
        self.style = DocumentStyle.make(for: template)
        self.variant = template.galleryLayoutVariant
        super.init(frame: .zero)
        translatesAutoresizingMaskIntoConstraints = false
        wantsLayer = true
        layer?.backgroundColor = NSColor.clear.cgColor
        userInterfaceLayoutDirection = .leftToRight
        setContentHuggingPriority(.defaultLow, for: .horizontal)
        installCardContent()
        appearanceObserver = NotificationCenter.default.addObserver(
            forName: AppAppearanceManager.didChangeNotification,
            object: nil,
            queue: .main
        ) { [weak self] _ in
            self?.refreshForAppearanceChange()
        }
    }

    deinit {
        if let appearanceObserver {
            NotificationCenter.default.removeObserver(appearanceObserver)
        }
    }

    override func viewDidChangeEffectiveAppearance() {
        super.viewDidChangeEffectiveAppearance()
        refreshForAppearanceChange()
    }

    private func refreshForAppearanceChange() {
        style = DocumentStyle.make(for: template)
        installCardContent()
    }

    private func installCardContent() {
        subviews.forEach { $0.removeFromSuperview() }
        let card = NSView()
        card.translatesAutoresizingMaskIntoConstraints = false
        card.wantsLayer = true
        card.layer?.backgroundColor = style.cardBackground.cgColor
        card.layer?.cornerRadius = template.family == .executive ? 6 : 10
        card.layer?.borderWidth = 1
        card.layer?.borderColor = style.rule.cgColor
        card.layer?.masksToBounds = true
        cardView = card

        let root = buildRoot()
        root.translatesAutoresizingMaskIntoConstraints = false
        card.addSubview(root)

        addSubview(card)
        NSLayoutConstraint.activate([
            card.leadingAnchor.constraint(equalTo: leadingAnchor),
            card.trailingAnchor.constraint(equalTo: trailingAnchor),
            card.topAnchor.constraint(equalTo: topAnchor),
            card.bottomAnchor.constraint(equalTo: bottomAnchor),
            card.widthAnchor.constraint(equalToConstant: Self.cardWidth),

            root.leadingAnchor.constraint(equalTo: card.leadingAnchor, constant: 36),
            root.trailingAnchor.constraint(equalTo: card.trailingAnchor, constant: -36),
            root.topAnchor.constraint(equalTo: card.topAnchor, constant: 32),
            root.bottomAnchor.constraint(equalTo: card.bottomAnchor, constant: -36)
        ])
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override var intrinsicContentSize: NSSize {
        NSSize(width: Self.cardWidth, height: NSView.noIntrinsicMetric)
    }

    override func layout() {
        super.layout()
        // Wrapping `NSTextField`s default to a very small intrinsic width until
        // `preferredMaxLayoutWidth` tracks the column width — stacks then collapse and text reflows like a narrow strip.
        updateWrappingTextPreferredWidths()
    }

    /// Any wrapping body (`maximumNumberOfLines == 0`) needs a concrete wrap width inside stack-driven layout.
    private func updateWrappingTextPreferredWidths() {
        for field in Self.collectWrappingTextFields(in: self) {
            guard let parent = field.superview, parent.bounds.width > 2 else { continue }
            let w = parent.bounds.width
            if abs(field.preferredMaxLayoutWidth - w) > 0.5 {
                field.preferredMaxLayoutWidth = w
            }
        }
    }

    private static func collectWrappingTextFields(in root: NSView) -> [NSTextField] {
        var out: [NSTextField] = []
        func visit(_ v: NSView) {
            if let tf = v as? NSTextField, tf.maximumNumberOfLines == 0 {
                out.append(tf)
            }
            for c in v.subviews { visit(c) }
        }
        visit(root)
        return out
    }

    // MARK: - Composition

    private func buildRoot() -> NSView {
        switch template.family {
        case .modern:
            return buildModernFamilyDocument()
        case .creative:
            return buildCreativeFamilyDocument()
        case .executive:
            return buildExecutiveDocument()
        case .minimal:
            return buildMinimalDocument()
        case .professional:
            return buildProfessionalDocument()
        }
    }

    // MARK: - Modern (gallery uses three distinct silhouettes from `variant`)

    private func buildModernFamilyDocument() -> NSView {
        switch variant % 3 {
        case 0: return modernClassicBandDocument()
        case 1: return modernRailDocument()
        default: return modernSplitHeaderDocument()
        }
    }

    private func modernClassicBandDocument() -> NSView {
        let theme = template.themeColor
        let white = NSColor.white
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")

        let header = NSView()
        header.translatesAutoresizingMaskIntoConstraints = false
        header.wantsLayer = true
        header.layer?.backgroundColor = theme.cgColor
        header.layer?.cornerRadius = variant % 2 == 0 ? 8 : 6

        let name = label(nameText, font: .systemFont(ofSize: 22, weight: .bold), color: white, maxLines: 2)
        let role = label(roleText, font: .systemFont(ofSize: 14, weight: .medium), color: white.withAlphaComponent(0.92), maxLines: 2)
        let textCol = NSStackView(views: [name, role])
        textCol.orientation = .vertical
        textCol.spacing = 4
        textCol.alignment = .leading
        textCol.translatesAutoresizingMaskIntoConstraints = false

        let iconRow = NSStackView()
        iconRow.orientation = .horizontal
        iconRow.spacing = 10
        iconRow.translatesAutoresizingMaskIntoConstraints = false
        for sym in ["mappin.and.ellipse", "phone.fill", "envelope.fill"] {
            guard let img = NSImage(systemSymbolName: sym, accessibilityDescription: nil) else { continue }
            let iv = NSImageView(image: img)
            iv.symbolConfiguration = NSImage.SymbolConfiguration(pointSize: 13, weight: .semibold)
            iv.contentTintColor = white.withAlphaComponent(0.88)
            iconRow.addArrangedSubview(iv)
        }

        let topRow = NSStackView()
        topRow.orientation = .horizontal
        topRow.spacing = 14
        topRow.alignment = .centerY
        topRow.translatesAutoresizingMaskIntoConstraints = false
        topRow.addArrangedSubview(textCol)
        topRow.addArrangedSubview(NSView())
        topRow.addArrangedSubview(iconRow)

        header.addSubview(topRow)
        NSLayoutConstraint.activate([
            topRow.leadingAnchor.constraint(equalTo: header.leadingAnchor, constant: 18),
            topRow.trailingAnchor.constraint(equalTo: header.trailingAnchor, constant: -18),
            topRow.topAnchor.constraint(equalTo: header.topAnchor, constant: 14),
            topRow.bottomAnchor.constraint(equalTo: header.bottomAnchor, constant: -14)
        ])

        let body: NSView
        switch template.layout {
        case .singleColumn:
            body = modernMainContentColumn(compact: false, includeSummaryInMain: true)
        case .twoColumn(let side, let tinted):
            let main = modernMainContentColumn(compact: true, includeSummaryInMain: false)
            let sideCol = modernAboutHighlightsSidebar(tinted: tinted)
            let row = NSStackView()
            row.orientation = .horizontal
            row.spacing = 20
            row.alignment = .top
            row.translatesAutoresizingMaskIntoConstraints = false
            let mult: CGFloat = (variant % 4 == 2) ? 0.36 : 0.32
            if side == .leading {
                row.addArrangedSubview(sideCol)
                row.addArrangedSubview(main)
                sideCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            } else {
                row.addArrangedSubview(main)
                row.addArrangedSubview(sideCol)
                sideCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            }
            body = row
        }

        let wrap = NSStackView(views: [header, body])
        wrap.orientation = .vertical
        wrap.spacing = 18
        wrap.alignment = .leading
        return wrap
    }

    private func modernRailDocument() -> NSView {
        let theme = template.themeColor
        let rail = NSView()
        rail.translatesAutoresizingMaskIntoConstraints = false
        rail.wantsLayer = true
        rail.layer?.backgroundColor = theme.cgColor
        rail.layer?.cornerRadius = 2
        rail.widthAnchor.constraint(equalToConstant: 3 + CGFloat(variant % 2)).isActive = true

        let inner = NSStackView()
        inner.orientation = .vertical
        inner.spacing = 10
        inner.alignment = .leading
        inner.translatesAutoresizingMaskIntoConstraints = false
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        let contactParts = [profile.personal.email, profile.personal.phone].filter { !$0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
        let contactLine = contactParts.isEmpty ? "Add contact in your profile" : contactParts.joined(separator: " · ")

        inner.addArrangedSubview(label(nameText, font: .systemFont(ofSize: 21, weight: .bold), color: style.ink, maxLines: 2))
        inner.addArrangedSubview(label(roleText, font: .systemFont(ofSize: 14, weight: .semibold), color: theme, maxLines: 2))
        inner.addArrangedSubview(label(contactLine, font: style.contactFont, color: style.muted, maxLines: 2))
        inner.addArrangedSubview(hairline())
        inner.addArrangedSubview(skillTagRow(theme: theme, maxTags: 5))
        inner.addArrangedSubview(modernPrimaryBody(theme: theme))

        let row = NSStackView(views: [rail, inner])
        row.orientation = .horizontal
        row.spacing = 14
        row.alignment = .top
        return row
    }

    private func modernSplitHeaderDocument() -> NSView {
        let theme = template.themeColor
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        let loc = profile.personal.address.trimmingCharacters(in: .whitespacesAndNewlines)

        let left = NSStackView()
        left.orientation = .vertical
        left.spacing = 5
        left.alignment = .leading
        left.addArrangedSubview(label(nameText, font: .systemFont(ofSize: 21, weight: .bold), color: style.ink, maxLines: 2))
        left.addArrangedSubview(label(roleText, font: .systemFont(ofSize: 13.5, weight: .medium), color: style.muted, maxLines: 2))
        if !loc.isEmpty {
            left.addArrangedSubview(label(loc, font: style.contactFont, color: style.muted.withAlphaComponent(0.88), maxLines: 2))
        }

        let right = NSStackView()
        right.orientation = .vertical
        right.spacing = 8
        right.alignment = .leading
        right.wantsLayer = true
        right.layer?.backgroundColor = theme.cgColor
        right.layer?.cornerRadius = 8
        right.edgeInsets = NSEdgeInsets(top: 14, left: 14, bottom: 14, right: 14)
        let onW = NSColor.white
        if !profile.personal.email.isEmpty {
            right.addArrangedSubview(label(profile.personal.email, font: .systemFont(ofSize: 12, weight: .medium), color: onW.withAlphaComponent(0.95), maxLines: 2))
        }
        if !profile.personal.phone.isEmpty {
            right.addArrangedSubview(label(profile.personal.phone, font: .systemFont(ofSize: 12, weight: .medium), color: onW.withAlphaComponent(0.92), maxLines: 1))
        }
        if !loc.isEmpty {
            right.addArrangedSubview(label(loc, font: .systemFont(ofSize: 11.5, weight: .regular), color: onW.withAlphaComponent(0.8), maxLines: 2))
        }

        let top = NSStackView(views: [left, right])
        top.orientation = .horizontal
        top.spacing = 16
        top.alignment = .top
        left.widthAnchor.constraint(equalTo: top.widthAnchor, multiplier: 0.54).isActive = true

        let col = NSStackView(views: [top, hairline(), modernPrimaryBody(theme: theme)])
        col.orientation = .vertical
        col.spacing = 16
        col.alignment = .leading
        return col
    }

    private func modernPrimaryBody(theme: NSColor) -> NSView {
        switch template.layout {
        case .singleColumn:
            return modernMainContentColumn(compact: false, includeSummaryInMain: true)
        case .twoColumn(let side, let tinted):
            let main = modernMainContentColumn(compact: true, includeSummaryInMain: false)
            let sideCol = modernAboutHighlightsSidebar(tinted: tinted)
            let row = NSStackView()
            row.orientation = .horizontal
            row.spacing = 20
            row.alignment = .top
            let mult: CGFloat = (variant % 4 == 2) ? 0.36 : 0.32
            if side == .leading {
                row.addArrangedSubview(sideCol)
                row.addArrangedSubview(main)
                sideCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            } else {
                row.addArrangedSubview(main)
                row.addArrangedSubview(sideCol)
                sideCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            }
            return row
        }
    }

    private func modernMainContentColumn(compact: Bool, includeSummaryInMain: Bool) -> NSView {
        let theme = template.themeColor
        let v = NSStackView()
        v.orientation = .vertical
        v.spacing = compact ? style.bodyBlockSpacing : style.bodyBlockSpacing + 2
        v.alignment = .leading

        if includeSummaryInMain, let summary = nonEmpty(profile.careerSummary) {
            v.addArrangedSubview(modernSectionRow(symbol: "person.crop.circle", title: "About", theme: theme))
            v.addArrangedSubview(paragraph(summary, compact: compact))
        }

        let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
        if !jobs.isEmpty {
            v.addArrangedSubview(modernSectionRow(symbol: "briefcase.fill", title: "Experience", theme: theme))
            for (index, job) in jobs.enumerated() {
                v.addArrangedSubview(experienceBlock(job: job, compact: compact))
                if index == 0 {
                    v.addArrangedSubview(skillTagRow(theme: theme, maxTags: 5))
                }
            }
        }

        let schools = profile.educations.filter { !$0.isEffectivelyEmpty }
        if !schools.isEmpty {
            v.addArrangedSubview(modernSectionRow(symbol: "graduationcap.fill", title: "Education", theme: theme))
            for edu in schools {
                v.addArrangedSubview(educationBlock(edu: edu, compact: compact))
            }
        }

        appendCertificatesInterestsReferrals(to: v, compact: compact)
        return v
    }

    private func modernAboutHighlightsSidebar(tinted: Bool) -> NSView {
        let theme = template.themeColor
        let box = NSStackView()
        box.orientation = .vertical
        box.spacing = 12
        box.alignment = .leading
        if tinted {
            box.wantsLayer = true
            box.layer?.backgroundColor = theme.withAlphaComponent(0.1).cgColor
            box.layer?.cornerRadius = 8
            box.edgeInsets = NSEdgeInsets(top: 14, left: 14, bottom: 14, right: 14)
        }

        if let summary = nonEmpty(profile.careerSummary) {
            box.addArrangedSubview(modernSectionRow(symbol: "person.crop.circle", title: "About", theme: theme))
            box.addArrangedSubview(paragraph(summary, compact: true))
        }
        if let hi = highlightsBodyText() {
            box.addArrangedSubview(modernSectionRow(symbol: "star.fill", title: "Highlights", theme: theme))
            box.addArrangedSubview(paragraph(hi, compact: true))
        }
        if box.arrangedSubviews.isEmpty {
            box.addArrangedSubview(modernSectionRow(symbol: "person.crop.circle", title: "About", theme: theme))
            box.addArrangedSubview(paragraph("Add a career summary or interests in your profile to populate this column.", compact: true))
        }
        return box
    }

    private func modernSectionRow(symbol: String, title: String, theme: NSColor) -> NSView {
        guard let img = NSImage(systemSymbolName: symbol, accessibilityDescription: nil) else {
            return sectionHeading(title)
        }
        let iv = NSImageView(image: img)
        iv.symbolConfiguration = NSImage.SymbolConfiguration(pointSize: 12, weight: .semibold)
        iv.contentTintColor = theme
        let t = label(title.uppercased(), font: style.sectionFont, color: style.ink, maxLines: 1)
        let r = NSStackView(views: [iv, t])
        r.orientation = .horizontal
        r.spacing = 8
        r.alignment = .centerY
        return r
    }

    private func skillTagRow(theme: NSColor, maxTags: Int) -> NSView {
        let tags = skillTokensFromProfile(max: maxTags)
        guard !tags.isEmpty else { return NSView() }
        let row = NSStackView()
        row.orientation = .horizontal
        row.spacing = 8
        row.alignment = .centerY
        for s in tags {
            let tag = NSView()
            tag.wantsLayer = true
            tag.layer?.backgroundColor = theme.withAlphaComponent(0.14).cgColor
            tag.layer?.cornerRadius = 6
            tag.translatesAutoresizingMaskIntoConstraints = false
            let lab = label(s, font: .systemFont(ofSize: 11, weight: .semibold), color: theme.blended(withFraction: 0.35, of: style.ink) ?? style.ink, maxLines: 1)
            lab.alignment = .center
            lab.translatesAutoresizingMaskIntoConstraints = false
            tag.addSubview(lab)
            NSLayoutConstraint.activate([
                lab.leadingAnchor.constraint(equalTo: tag.leadingAnchor, constant: 10),
                lab.trailingAnchor.constraint(equalTo: tag.trailingAnchor, constant: -10),
                lab.topAnchor.constraint(equalTo: tag.topAnchor, constant: 5),
                lab.bottomAnchor.constraint(equalTo: tag.bottomAnchor, constant: -5)
            ])
            row.addArrangedSubview(tag)
        }
        return row
    }

    // MARK: - Creative (dark sidebar in gallery — match filled page)

    private func buildCreativeFamilyDocument() -> NSView {
        switch template.layout {
        case .singleColumn:
            return creativeSingleColumnDocument()
        case .twoColumn(let side, _):
            return creativeTwoColumnDocument(sidebar: side)
        }
    }

    private func creativeDeepBackground() -> NSColor {
        let theme = template.themeColor
        let navy = NSColor(srgbRed: 0.08, green: 0.1, blue: 0.18, alpha: 1)
        let plum = NSColor(srgbRed: 0.14, green: 0.07, blue: 0.24, alpha: 1)
        switch variant % 4 {
        case 0: return theme.blended(withFraction: 0.52, of: navy) ?? theme
        case 1: return theme.blended(withFraction: 0.7, of: NSColor.black) ?? theme
        case 2: return style.ink.blended(withFraction: 0.38, of: theme) ?? theme
        default: return theme.blended(withFraction: 0.4, of: plum) ?? theme
        }
    }

    private func creativeSingleColumnDocument() -> NSView {
        let theme = template.themeColor
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")

        let banner = NSView()
        banner.translatesAutoresizingMaskIntoConstraints = false
        banner.wantsLayer = true
        banner.layer?.backgroundColor = theme.cgColor
        banner.layer?.cornerRadius = variant % 4 == 1 ? 8 : 6
        let inner = label("  \(nameText)  ·  \(roleText)  ", font: .systemFont(ofSize: 14, weight: .bold), color: .white, maxLines: 2)
        inner.translatesAutoresizingMaskIntoConstraints = false
        banner.addSubview(inner)
        NSLayoutConstraint.activate([
            inner.leadingAnchor.constraint(equalTo: banner.leadingAnchor, constant: 14),
            inner.trailingAnchor.constraint(lessThanOrEqualTo: banner.trailingAnchor, constant: -14),
            inner.topAnchor.constraint(equalTo: banner.topAnchor, constant: 12),
            inner.bottomAnchor.constraint(equalTo: banner.bottomAnchor, constant: -12)
        ])

        let main = creativeMainStack(theme: theme)
        let col = NSStackView(views: [banner, main])
        col.orientation = .vertical
        col.spacing = 16
        col.alignment = .leading
        return col
    }

    private func creativeTwoColumnDocument(sidebar: CVTemplate.SidebarSide) -> NSView {
        let theme = template.themeColor
        let deep = creativeDeepBackground()
        let onSidebar = NSColor.white.withAlphaComponent(0.95)
        let skillPrefix = (variant % 3 == 0) ? "•  " : "▸  "

        let sidebarStack = NSStackView()
        sidebarStack.orientation = .vertical
        sidebarStack.spacing = 12
        sidebarStack.alignment = .leading
        sidebarStack.wantsLayer = true
        sidebarStack.layer?.backgroundColor = deep.cgColor
        sidebarStack.layer?.cornerRadius = variant % 2 == 0 ? 10 : 8
        sidebarStack.edgeInsets = NSEdgeInsets(top: 16, left: 16, bottom: 16, right: 16)

        let nm = displayable(profile.personal.fullName, placeholder: "Your name")
        let role = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        sidebarStack.addArrangedSubview(label(nm, font: .systemFont(ofSize: 18, weight: .bold), color: onSidebar, maxLines: 2))
        sidebarStack.addArrangedSubview(label(role, font: .systemFont(ofSize: 13, weight: .medium), color: onSidebar.withAlphaComponent(0.85), maxLines: 2))
        if !profile.personal.email.isEmpty {
            sidebarStack.addArrangedSubview(label(profile.personal.email, font: .systemFont(ofSize: 11.5), color: onSidebar.withAlphaComponent(0.82), maxLines: 2))
        }
        if !profile.personal.phone.isEmpty {
            sidebarStack.addArrangedSubview(label(profile.personal.phone, font: .systemFont(ofSize: 11.5), color: onSidebar.withAlphaComponent(0.82), maxLines: 1))
        }
        sidebarStack.addArrangedSubview(creativeSidebarHeading("STRENGTHS", onSidebar: onSidebar, accent: theme))
        for token in skillTokensFromProfile(max: 8) {
            sidebarStack.addArrangedSubview(label("\(skillPrefix)\(token)", font: .systemFont(ofSize: 12, weight: .semibold), color: onSidebar.withAlphaComponent(0.92), maxLines: 2))
        }

        let main = creativeMainStack(theme: theme)
        let row = NSStackView()
        row.orientation = .horizontal
        row.spacing = 18
        row.alignment = .top
        let sidebarMult = 0.32 + CGFloat(variant % 3) * 0.02
        if sidebar == .leading {
            row.addArrangedSubview(sidebarStack)
            row.addArrangedSubview(main)
            sidebarStack.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: sidebarMult).isActive = true
        } else {
            row.addArrangedSubview(main)
            row.addArrangedSubview(sidebarStack)
            sidebarStack.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: sidebarMult).isActive = true
        }
        return row
    }

    private func creativeSidebarHeading(_ raw: String, onSidebar: NSColor, accent: NSColor) -> NSView {
        let t = label(raw, font: .systemFont(ofSize: 10.5, weight: .heavy), color: onSidebar, maxLines: 1)
        let bar = NSView()
        bar.translatesAutoresizingMaskIntoConstraints = false
        bar.wantsLayer = true
        bar.layer?.backgroundColor = accent.cgColor
        bar.heightAnchor.constraint(equalToConstant: 2).isActive = true
        let c = NSStackView(views: [t, bar])
        c.orientation = .vertical
        c.spacing = 4
        c.alignment = .leading
        bar.leadingAnchor.constraint(equalTo: t.leadingAnchor).isActive = true
        bar.widthAnchor.constraint(equalToConstant: 72).isActive = true
        return c
    }

    private func creativeMainHeader(theme: NSColor) -> NSView {
        let v = NSView()
        v.translatesAutoresizingMaskIntoConstraints = false
        let stripe = NSView()
        stripe.translatesAutoresizingMaskIntoConstraints = false
        stripe.wantsLayer = true
        stripe.layer?.backgroundColor = theme.cgColor
        v.addSubview(stripe)
        let row = NSStackView()
        row.orientation = .horizontal
        row.spacing = 8
        row.translatesAutoresizingMaskIntoConstraints = false
        let lab = label("PORTFOLIO SNAPSHOT", font: .systemFont(ofSize: 12, weight: .heavy), color: style.ink, maxLines: 1)
        row.addArrangedSubview(stripe)
        row.addArrangedSubview(lab)
        v.addSubview(row)
        NSLayoutConstraint.activate([
            stripe.widthAnchor.constraint(equalToConstant: 4),
            stripe.heightAnchor.constraint(equalToConstant: 18),
            row.leadingAnchor.constraint(equalTo: v.leadingAnchor),
            row.topAnchor.constraint(equalTo: v.topAnchor),
            row.bottomAnchor.constraint(equalTo: v.bottomAnchor)
        ])
        return v
    }

    private func creativeMainStack(theme: NSColor) -> NSView {
        let stack = NSStackView()
        stack.orientation = .vertical
        stack.spacing = style.bodyBlockSpacing
        stack.alignment = .leading
        stack.addArrangedSubview(creativeMainHeader(theme: theme))
        if let summary = nonEmpty(profile.careerSummary) {
            stack.addArrangedSubview(sectionHeading("Profile"))
            stack.addArrangedSubview(paragraph(summary, compact: false))
        }
        let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
        if !jobs.isEmpty {
            stack.addArrangedSubview(sectionHeading("Impact"))
            for job in jobs {
                let titleLine = [job.jobTitle, job.company].filter { !$0.isEmpty }.joined(separator: " — ")
                if !titleLine.isEmpty {
                    stack.addArrangedSubview(label(titleLine, font: .systemFont(ofSize: 13.5, weight: .heavy), color: style.ink, maxLines: 0))
                }
                for bullet in Self.bulletChunks(from: job.description) {
                    let mark = (variant % 2 == 0) ? "—  " : "▸  "
                    stack.addArrangedSubview(label("\(mark)\(bullet)", font: style.bodyFont, color: style.muted, maxLines: 0))
                }
            }
        }
        let schools = profile.educations.filter { !$0.isEffectivelyEmpty }
        if !schools.isEmpty {
            stack.addArrangedSubview(sectionHeading("Education"))
            for edu in schools {
                stack.addArrangedSubview(educationBlock(edu: edu, compact: false))
            }
        }
        appendCertificatesInterestsReferrals(to: stack, compact: false)
        return stack
    }

    // MARK: - Executive (matches gallery serif layout)

    private func buildExecutiveDocument() -> NSView {
        let centeredHead = (variant % 2) == 0
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        let contactParts = [profile.personal.email, profile.personal.phone, profile.personal.address].filter {
            !$0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
        }
        let contactText = contactParts.isEmpty ? "Add contact details in your profile" : contactParts.joined(separator: " · ")

        let name = label(nameText, font: style.nameFont, color: style.ink, maxLines: 2)
        let role = label(roleText, font: style.roleFont, color: style.muted, maxLines: 2)
        let contact = label(contactText, font: style.contactFont, color: style.muted.withAlphaComponent(0.9), maxLines: 3)
        if centeredHead {
            name.alignment = .center
            role.alignment = .center
            contact.alignment = .center
        }

        let rule = executiveHeaderRule(wide: variant % 3 == 0)
        let head = NSStackView(views: [name, role, contact, rule])
        head.orientation = .vertical
        head.spacing = 8
        head.alignment = centeredHead ? .centerX : .leading

        let body: NSView
        switch template.layout {
        case .singleColumn:
            body = executiveMainColumn(compact: false, tightLeading: variant % 5 == 2)
        case .twoColumn(let side, let tinted):
            let main = executiveMainColumn(compact: true, tightLeading: variant % 5 == 2)
            let sideCol = executiveSidebarColumn(tinted: tinted, showMetrics: variant % 4 == 1)
            let row = NSStackView()
            row.orientation = .horizontal
            row.spacing = 20
            row.alignment = .top
            if side == .leading {
                row.addArrangedSubview(sideCol)
                row.addArrangedSubview(main)
            } else {
                row.addArrangedSubview(main)
                row.addArrangedSubview(sideCol)
            }
            let mult: CGFloat = (variant % 5 == 3) ? 0.38 : 0.33
            sideCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            body = row
        }

        let wrap = NSStackView(views: [head, body])
        wrap.orientation = .vertical
        wrap.spacing = style.columnVerticalSpacing
        wrap.alignment = .leading
        return wrap
    }

    private func executiveHeaderRule(wide: Bool) -> NSView {
        let theme = template.themeColor
        let v = NSView()
        v.translatesAutoresizingMaskIntoConstraints = false
        v.wantsLayer = true
        v.layer?.backgroundColor = theme.withAlphaComponent(0.45).cgColor
        v.heightAnchor.constraint(equalToConstant: wide ? 2 : 1.5).isActive = true
        v.widthAnchor.constraint(equalToConstant: wide ? 160 : 110).isActive = true
        return v
    }

    private func executiveMainColumn(compact: Bool, tightLeading: Bool) -> NSView {
        let stack = NSStackView()
        stack.orientation = .vertical
        stack.spacing = (compact ? style.bodyBlockSpacing : style.bodyBlockSpacing + 2) - (tightLeading ? 2 : 0)
        stack.alignment = .leading

        let summaryTitle = (variant % 6 == 3) ? "Summary" : "Professional Summary"
        if let summary = nonEmpty(profile.careerSummary) {
            stack.addArrangedSubview(sectionHeading(summaryTitle))
            stack.addArrangedSubview(paragraph(summary, compact: compact))
        }

        let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
        if !jobs.isEmpty {
            stack.addArrangedSubview(sectionHeading("Selected Experience"))
            for job in jobs {
                stack.addArrangedSubview(executiveExperienceBlock(job: job, compact: compact))
            }
        }

        let schools = profile.educations.filter { !$0.isEffectivelyEmpty }
        if !schools.isEmpty {
            stack.addArrangedSubview(sectionHeading("Education"))
            for edu in schools {
                stack.addArrangedSubview(educationBlock(edu: edu, compact: compact))
            }
        }
        appendCertificatesInterestsReferrals(to: stack, compact: compact)
        return stack
    }

    private func executiveExperienceBlock(job: WorkExperiencePayload, compact: Bool) -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.spacing = 4
        v.alignment = .leading
        let titleLine = [job.jobTitle, job.company].filter { !$0.isEmpty }.joined(separator: ", ")
        if !titleLine.isEmpty {
            v.addArrangedSubview(label(titleLine, font: style.expTitleFont, color: style.ink, maxLines: 0))
        }
        let duration = job.duration.trimmingCharacters(in: .whitespacesAndNewlines)
        if !duration.isEmpty {
            v.addArrangedSubview(label(duration, font: style.expMetaFont, color: template.themeColor, maxLines: 0))
        }
        for bullet in Self.bulletChunks(from: job.description) {
            v.addArrangedSubview(label(bullet, font: style.bodyFont, color: style.muted, maxLines: 0))
        }
        return v
    }

    private func executiveSidebarColumn(tinted: Bool, showMetrics: Bool) -> NSView {
        let stack = NSStackView()
        stack.orientation = .vertical
        stack.spacing = 10
        stack.alignment = .leading
        if tinted {
            stack.wantsLayer = true
            let fill = (variant % 3 == 0)
                ? CVResumeAppearance.colors().sidebarTint
                : template.themeColor.withAlphaComponent(0.07)
            stack.layer?.backgroundColor = fill.cgColor
            stack.layer?.cornerRadius = variant % 4 == 2 ? 8 : 6
            stack.edgeInsets = NSEdgeInsets(top: 14, left: 14, bottom: 14, right: 14)
        }

        let skills = skillTokensFromProfile(max: 12)
        if !skills.isEmpty {
            stack.addArrangedSubview(sectionHeading("Core Competencies"))
            for s in skills {
                stack.addArrangedSubview(label("· \(s)", font: style.bodyFont, color: style.ink, maxLines: 0))
            }
        }

        if let cert = nonEmpty(profile.certificates) {
            stack.addArrangedSubview(sectionHeading("Tools"))
            stack.addArrangedSubview(paragraph(cert, compact: true))
        }

        if showMetrics, let hi = highlightsBodyText() {
            stack.addArrangedSubview(sectionHeading("Impact"))
            stack.addArrangedSubview(paragraph(hi, compact: true))
        }

        if stack.arrangedSubviews.isEmpty {
            stack.addArrangedSubview(sectionHeading("Contact"))
            for line in contactLines() {
                stack.addArrangedSubview(label(line, font: style.contactFont, color: style.ink, maxLines: 0))
            }
        }
        return stack
    }

    // MARK: - Minimal (matches gallery light typography)

    private func buildMinimalDocument() -> NSView {
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        let contactParts = [profile.personal.email, profile.personal.phone].filter {
            !$0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
        }
        let contactText = contactParts.isEmpty ? "Add contact in your profile" : contactParts.joined(separator: "   ")

        let nameWeight: NSFont.Weight = (variant % 3 == 0) ? .ultraLight : .light
        let nameSize: CGFloat = template.headline == .centered ? 22 + CGFloat(variant % 2) : 20 + CGFloat(variant % 3)
        let name = label(nameText, font: .systemFont(ofSize: nameSize, weight: nameWeight), color: style.ink, maxLines: 2)
        let role = label(roleText.uppercased(), font: .systemFont(ofSize: 12.5, weight: .medium), color: style.muted, maxLines: 2)
        let contact = label(contactText, font: style.contactFont, color: style.muted.withAlphaComponent(0.75), maxLines: 2)

        let head = NSStackView()
        head.orientation = .vertical
        head.spacing = template.headline == .avatarStacked ? 10 : 6 + CGFloat(variant % 4)
        head.alignment = template.headline == .centered ? .centerX : .leading
        if template.headline == .avatarStacked {
            head.addArrangedSubview(initialsBadge(for: nameText))
        }
        if template.headline == .centered {
            name.alignment = .center
            role.alignment = .center
            contact.alignment = .center
        }
        head.addArrangedSubview(name)
        head.addArrangedSubview(role)
        head.addArrangedSubview(contact)
        head.addArrangedSubview(hairline())
        if variant % 5 == 1 {
            head.addArrangedSubview(hairline())
        }

        let swapEdu = (variant % 4) == 2
        let body: NSView
        switch template.layout {
        case .singleColumn:
            body = minimalMainColumn(spacing: style.bodyBlockSpacing, educationBeforeExperience: swapEdu)
        case .twoColumn(let side, _):
            let main = minimalMainColumn(spacing: style.bodyBlockSpacing - 2, educationBeforeExperience: swapEdu)
            let aside = minimalSkillsAside(numbered: variant % 3 == 1)
            let row = NSStackView()
            row.orientation = .horizontal
            row.spacing = 18 + CGFloat(variant % 3)
            row.alignment = .top
            if side == .leading {
                row.addArrangedSubview(aside)
                row.addArrangedSubview(main)
            } else {
                row.addArrangedSubview(main)
                row.addArrangedSubview(aside)
            }
            let mult: CGFloat = (variant % 5 == 0) ? 0.34 : 0.30
            aside.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: mult).isActive = true
            body = row
        }

        let wrap = NSStackView(views: [head, body])
        wrap.orientation = .vertical
        wrap.spacing = style.columnVerticalSpacing
        wrap.alignment = .leading
        return wrap
    }

    private func minimalMainColumn(spacing: CGFloat, educationBeforeExperience: Bool) -> NSView {
        let stack = NSStackView()
        stack.orientation = .vertical
        stack.spacing = spacing
        stack.alignment = .leading

        let appendSummary: () -> Void = { [self] in
            if let summary = nonEmpty(profile.careerSummary) {
                stack.addArrangedSubview(sectionHeading("Profile"))
                stack.addArrangedSubview(paragraph(summary, compact: false))
            }
        }
        let appendExperience: () -> Void = { [self] in
            let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
            if !jobs.isEmpty {
                stack.addArrangedSubview(sectionHeading("Experience"))
                for job in jobs {
                    stack.addArrangedSubview(experienceBlock(job: job, compact: false))
                }
            }
        }
        let appendEducation: () -> Void = { [self] in
            let schools = profile.educations.filter { !$0.isEffectivelyEmpty }
            if !schools.isEmpty {
                stack.addArrangedSubview(sectionHeading("Education"))
                for edu in schools {
                    stack.addArrangedSubview(educationBlock(edu: edu, compact: false))
                }
            }
        }

        if educationBeforeExperience {
            appendEducation()
            appendSummary()
            appendExperience()
        } else {
            appendSummary()
            appendExperience()
            appendEducation()
        }
        appendCertificatesInterestsReferrals(to: stack, compact: false)
        return stack
    }

    private func minimalSkillsAside(numbered: Bool) -> NSView {
        let stack = NSStackView()
        stack.orientation = .vertical
        stack.spacing = 8
        stack.alignment = .leading
        let skills = skillTokensFromProfile(max: 12)
        if skills.isEmpty {
            stack.addArrangedSubview(sectionHeading("Contact"))
            for line in contactLines() {
                stack.addArrangedSubview(label(line, font: style.contactFont, color: style.muted, maxLines: 0))
            }
            return stack
        }
        stack.addArrangedSubview(sectionHeading("Skills"))
        for (i, s) in skills.enumerated() {
            let prefix = numbered ? "\(i + 1). " : "·  "
            stack.addArrangedSubview(label("\(prefix)\(s)", font: style.bodyCompactFont, color: style.muted, maxLines: 0))
        }
        return stack
    }

    // MARK: - Professional

    private func buildProfessionalDocument() -> NSView {
        switch template.layout {
        case .singleColumn:
            return singleColumnLayout()
        case .twoColumn(let side, let tinted):
            return twoColumnLayout(sidebar: side, tinted: tinted)
        }
    }

    private func singleColumnLayout() -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.alignment = .leading
        v.spacing = style.columnVerticalSpacing + 3
        v.addArrangedSubview(headerBlock())
        if template.family == .professional && (variant % 6) == 4 {
            v.addArrangedSubview(professionalInlineSkillsRow())
        }
        v.addArrangedSubview(hairline())
        let body = bodyColumn(compact: false, experienceFirst: professionalExperienceFirst)
        v.addArrangedSubview(usesProfessionalSingleColumnRail ? bodyWithLeadingAccentRail(body) : body)
        return v
    }

    private var professionalExperienceFirst: Bool {
        template.family == .professional && (variant % 3) == 1
    }

    private func professionalInlineSkillsRow() -> NSView {
        let tokens = skillTokensFromProfile(max: 6)
        guard !tokens.isEmpty else { return NSView() }
        let joined = tokens.joined(separator: "  ·  ")
        return label(joined, font: .systemFont(ofSize: 11.5, weight: .medium), color: template.themeColor, maxLines: 0)
    }

    /// Matches the CV Maker thumbnail: professional ATS single-column layouts use a full-height theme rail.
    private var usesProfessionalSingleColumnRail: Bool {
        if case .singleColumn = template.layout, template.family == .professional { return true }
        return false
    }

    private func bodyWithLeadingAccentRail(_ content: NSView) -> NSView {
        let wrap = NSView()
        wrap.translatesAutoresizingMaskIntoConstraints = false
        let rail = NSView()
        rail.translatesAutoresizingMaskIntoConstraints = false
        rail.wantsLayer = true
        rail.layer?.backgroundColor = template.themeColor.cgColor
        rail.layer?.cornerRadius = 1
        content.translatesAutoresizingMaskIntoConstraints = false
        wrap.addSubview(rail)
        wrap.addSubview(content)
        NSLayoutConstraint.activate([
            rail.leadingAnchor.constraint(equalTo: wrap.leadingAnchor),
            rail.topAnchor.constraint(equalTo: content.topAnchor),
            rail.bottomAnchor.constraint(equalTo: content.bottomAnchor),
            rail.widthAnchor.constraint(equalToConstant: 3),
            content.leadingAnchor.constraint(equalTo: rail.trailingAnchor, constant: 12),
            content.trailingAnchor.constraint(equalTo: wrap.trailingAnchor),
            content.topAnchor.constraint(equalTo: wrap.topAnchor),
            content.bottomAnchor.constraint(equalTo: wrap.bottomAnchor)
        ])
        return wrap
    }

    private func twoColumnLayout(sidebar: CVTemplate.SidebarSide, tinted: Bool) -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.alignment = .leading
        v.spacing = style.columnVerticalSpacing + 2
        v.addArrangedSubview(headerBlock())
        v.addArrangedSubview(hairline())

        let row = NSStackView()
        row.orientation = .horizontal
        row.alignment = .top
        row.spacing = 22

        let sidebarCol = sidebarColumn(tinted: tinted)
        let mainCol = bodyColumn(compact: true, experienceFirst: professionalExperienceFirst)

        if sidebar == .leading {
            row.addArrangedSubview(sidebarCol)
            row.addArrangedSubview(mainCol)
        } else {
            row.addArrangedSubview(mainCol)
            row.addArrangedSubview(sidebarCol)
        }
        let sidebarMult: CGFloat = (variant % 5 == 2) ? 0.38 : 0.32
        sidebarCol.widthAnchor.constraint(equalTo: row.widthAnchor, multiplier: sidebarMult).isActive = true

        v.addArrangedSubview(row)
        return v
    }

    private func headerBlock() -> NSView {
        let nameText = displayable(profile.personal.fullName, placeholder: "Your name")
        let roleText = displayable(profile.personal.jobTitle, placeholder: "Professional headline")
        let contactParts = [profile.personal.email, profile.personal.phone, profile.personal.address].filter { !$0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
        let contactText = contactParts.isEmpty ? "Add contact details in your profile" : contactParts.joined(separator: " · ")

        let roleColor = style.roleUsesThemeColor ? template.themeColor : style.muted
        let name = label(nameText, font: style.nameFont, color: style.ink, maxLines: 2)
        let role = label(roleText, font: style.roleFont, color: roleColor, maxLines: 2)
        let contact = label(contactText, font: style.contactFont, color: style.muted.withAlphaComponent(0.92), maxLines: 3)

        let textCol = NSStackView(views: [name, role, contact])
        textCol.orientation = .vertical
        textCol.spacing = template.family == .professional ? 3 : 4
        textCol.alignment = .leading

        switch template.headline {
        case .centered:
            textCol.alignment = .centerX
            name.alignment = .center
            role.alignment = .center
            contact.alignment = .center
            let accent = headlineAccent()
            let stack = NSStackView(views: [textCol, accent])
            stack.orientation = .vertical
            stack.spacing = 8
            stack.alignment = .centerX
            return stack
        case .avatarStacked:
            textCol.alignment = .centerX
            name.alignment = .center
            role.alignment = .center
            contact.alignment = .center
            let accent = headlineAccent()
            let avatar = initialsBadge(for: nameText)
            let stack = NSStackView(views: [avatar, textCol, accent])
            stack.orientation = .vertical
            stack.spacing = 8
            stack.alignment = .centerX
            return stack
        case .leftAligned, .leftWithInitials:
            let row = NSStackView()
            row.orientation = .horizontal
            row.spacing = 14
            row.alignment = .centerY
            row.addArrangedSubview(textCol)
            if template.headline == .leftWithInitials {
                row.addArrangedSubview(NSView())
                row.addArrangedSubview(initialsBadge(for: nameText))
            }
            let col = NSStackView(views: [row, headlineAccent()])
            col.orientation = .vertical
            col.spacing = 8
            col.alignment = .leading
            return col
        }
    }

    private func initialsBadge(for fullName: String) -> NSView {
        let initials = Self.initials(from: fullName)
        let t = NSTextField(labelWithString: initials)
        t.font = .systemFont(ofSize: 13, weight: .bold)
        t.textColor = template.themeColor
        t.alignment = .center
        t.translatesAutoresizingMaskIntoConstraints = false
        let wrap = NSView()
        wrap.translatesAutoresizingMaskIntoConstraints = false
        wrap.wantsLayer = true
        wrap.layer?.cornerRadius = 22
        wrap.layer?.borderWidth = 1.5
        wrap.layer?.borderColor = template.themeColor.withAlphaComponent(0.35).cgColor
        wrap.addSubview(t)
        NSLayoutConstraint.activate([
            wrap.widthAnchor.constraint(equalToConstant: 44),
            wrap.heightAnchor.constraint(equalToConstant: 44),
            t.centerXAnchor.constraint(equalTo: wrap.centerXAnchor),
            t.centerYAnchor.constraint(equalTo: wrap.centerYAnchor)
        ])
        return wrap
    }

    private static func initials(from fullName: String) -> String {
        let parts = fullName.split(separator: " ").filter { !$0.isEmpty }
        if parts.count >= 2 {
            let a = parts[0].prefix(1)
            let b = parts[1].prefix(1)
            return "\(a)\(b)".uppercased()
        }
        if let first = parts.first { return String(first.prefix(2)).uppercased() }
        return "CV"
    }

    private func headlineAccent() -> NSView {
        let bar = NSView()
        bar.translatesAutoresizingMaskIntoConstraints = false
        bar.wantsLayer = true
        switch template.accent {
        case .none:
            bar.heightAnchor.constraint(equalToConstant: 1).isActive = true
            return bar
        case .redUnderline:
            bar.layer?.backgroundColor = CVResumeAppearance.accentColor(for: template).cgColor
            bar.heightAnchor.constraint(equalToConstant: 2).isActive = true
            bar.widthAnchor.constraint(equalToConstant: template.family == .minimal ? 140 : 168).isActive = true
            return bar
        case .redBar:
            bar.layer?.backgroundColor = CVResumeAppearance.accentColor(for: template).cgColor
            bar.heightAnchor.constraint(equalToConstant: 4).isActive = true
            bar.widthAnchor.constraint(equalToConstant: 56).isActive = true
            return bar
        case .blueBar:
            bar.layer?.backgroundColor = template.themeColor.cgColor
            if template.headline == .centered {
                bar.heightAnchor.constraint(equalToConstant: 2.5).isActive = true
                bar.widthAnchor.constraint(equalToConstant: 148).isActive = true
            } else {
                bar.heightAnchor.constraint(equalToConstant: 4).isActive = true
                bar.widthAnchor.constraint(equalToConstant: template.family == .executive ? 100 : 120).isActive = true
            }
            return bar
        }
    }

    private func hairline() -> NSView {
        let v = NSView()
        v.translatesAutoresizingMaskIntoConstraints = false
        v.wantsLayer = true
        v.layer?.backgroundColor = style.rule.cgColor
        let h: CGFloat = template.family == .executive ? 1.5 : 1
        v.heightAnchor.constraint(equalToConstant: h).isActive = true
        return v
    }

    private func sidebarColumn(tinted: Bool) -> NSView {
        let box = NSStackView()
        box.orientation = .vertical
        box.spacing = 12
        box.alignment = .leading
        if tinted {
            box.wantsLayer = true
            let tint = (variant % 4 == 1)
                ? template.themeColor.withAlphaComponent(0.08)
                : CVResumeAppearance.colors().sidebarTint
            box.layer?.backgroundColor = tint.cgColor
            box.layer?.cornerRadius = variant % 3 == 0 ? 8 : 6
        }
        box.edgeInsets = NSEdgeInsets(top: tinted ? 14 : 0, left: tinted ? 14 : 0, bottom: tinted ? 14 : 0, right: tinted ? 14 : 0)

        box.addArrangedSubview(sectionHeading("Contact"))
        for line in contactLines() {
            box.addArrangedSubview(label(line, font: style.contactFont, color: style.ink, maxLines: 0))
        }

        let skills = skillTokensFromProfile(max: 8)
        if !skills.isEmpty {
            box.addArrangedSubview(sectionHeading("Skills"))
            if variant % 5 == 2 {
                box.addArrangedSubview(skillTagRow(theme: template.themeColor, maxTags: 5))
            } else {
                for token in skills {
                    box.addArrangedSubview(label("·  \(token)", font: style.contactFont, color: style.ink, maxLines: 0))
                }
            }
        }

        if variant % 7 == 3, let tools = nonEmpty(profile.certificates) {
            box.addArrangedSubview(sectionHeading("Tools"))
            box.addArrangedSubview(paragraph(tools, compact: true))
        } else if let ancillary = combinedAncillaryText(), !ancillary.isEmpty {
            box.addArrangedSubview(sectionHeading("Languages & more"))
            box.addArrangedSubview(paragraph(ancillary, compact: true))
        }

        return box
    }

    private func bodyColumn(compact: Bool, experienceFirst: Bool = false) -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.spacing = compact ? style.bodyBlockSpacing : style.bodyBlockSpacing + 2
        v.alignment = .leading

        let summaryTitle = sectionHeading(summarySectionTitle)
        let summaryBody: NSView? = nonEmpty(profile.careerSummary).map { paragraph($0, compact: compact) }

        let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
        let experienceHeading = sectionHeading("Experience")
        var experienceBlocks: [NSView] = []
        for job in jobs {
            experienceBlocks.append(experienceBlock(job: job, compact: compact))
        }

        let schools = profile.educations.filter { !$0.isEffectivelyEmpty }
        var educationBlocks: [NSView] = []
        for edu in schools {
            educationBlocks.append(educationBlock(edu: edu, compact: compact))
        }

        let appendSummary: () -> Void = { [self] in
            if let body = summaryBody {
                v.addArrangedSubview(summaryTitle)
                v.addArrangedSubview(body)
            }
        }
        let appendExperience: () -> Void = { [self] in
            if !jobs.isEmpty {
                v.addArrangedSubview(experienceHeading)
                experienceBlocks.forEach { v.addArrangedSubview($0) }
            }
        }
        let appendEducation: () -> Void = { [self] in
            if !schools.isEmpty {
                v.addArrangedSubview(sectionHeading("Education"))
                educationBlocks.forEach { v.addArrangedSubview($0) }
            }
        }

        if experienceFirst {
            appendExperience()
            appendSummary()
            appendEducation()
        } else {
            appendSummary()
            appendExperience()
            appendEducation()
        }

        appendCertificatesInterestsReferrals(to: v, compact: compact)
        return v
    }

    private func appendCertificatesInterestsReferrals(to v: NSStackView, compact: Bool) {
        if let cert = nonEmpty(profile.certificates) {
            v.addArrangedSubview(sectionHeading("Certificates"))
            v.addArrangedSubview(paragraph(cert, compact: compact))
        }
        if let interests = nonEmpty(profile.interests) {
            v.addArrangedSubview(sectionHeading("Interests"))
            v.addArrangedSubview(paragraph(interests, compact: compact))
        }
        if let ref = nonEmpty(profile.referral) {
            v.addArrangedSubview(sectionHeading("Referrals"))
            v.addArrangedSubview(paragraph(ref, compact: compact))
        }
    }

    private func skillTokensFromProfile(max: Int) -> [String] {
        let raw = profile.languages.trimmingCharacters(in: .whitespacesAndNewlines)
        if raw.isEmpty { return [] }
        let parts = raw.split(whereSeparator: { $0 == "," || $0 == "·" || $0 == "|" || $0 == ";" })
            .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
            .filter { !$0.isEmpty }
        if parts.count > 1 { return Array(parts.prefix(max)) }
        return raw.split(separator: " ").map(String.init).filter { $0.count > 1 }.prefix(max).map { String($0) }
    }

    private func highlightsBodyText() -> String? {
        if let t = nonEmpty(profile.interests) { return t }
        if let r = nonEmpty(profile.referral) { return r }
        let jobs = profile.workExperiences.filter { !$0.isEffectivelyEmpty }
        if let first = jobs.first {
            let bullets = Self.bulletChunks(from: first.description)
            if let b = bullets.first { return b }
        }
        return nil
    }

    private func ancillaryBlock(title: String, body: String?) -> NSStackView? {
        guard let body, !body.isEmpty else { return nil }
        let s = NSStackView()
        s.orientation = .vertical
        s.spacing = 6
        s.alignment = .leading
        s.addArrangedSubview(sectionHeading(title))
        s.addArrangedSubview(paragraph(body, compact: true))
        return s
    }

    private func contactLines() -> [String] {
        var lines: [String] = []
        let p = profile.personal
        if !p.email.isEmpty { lines.append(p.email) }
        if !p.phone.isEmpty { lines.append(p.phone) }
        if !p.address.isEmpty { lines.append(p.address) }
        return lines.isEmpty ? ["—"] : lines
    }

    private func combinedAncillaryText() -> String? {
        let chunks = [profile.languages, profile.interests].map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }.filter { !$0.isEmpty }
        return chunks.isEmpty ? nil : chunks.joined(separator: "\n\n")
    }

    private func experienceBlock(job: WorkExperiencePayload, compact: Bool) -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.spacing = template.family == .professional ? 4 : 6
        v.alignment = .leading

        if template.family == .professional {
            let title = job.jobTitle.trimmingCharacters(in: .whitespacesAndNewlines)
            let company = job.company.trimmingCharacters(in: .whitespacesAndNewlines)
            let duration = job.duration.trimmingCharacters(in: .whitespacesAndNewlines)
            if !title.isEmpty {
                v.addArrangedSubview(label(title, font: style.expTitleFont, color: style.ink, maxLines: 0))
            }
            let metaParts = [company, duration].filter { !$0.isEmpty }
            if !metaParts.isEmpty {
                let metaJoined = metaParts.joined(separator: " · ")
                v.addArrangedSubview(label(metaJoined, font: style.expMetaFont, color: template.themeColor, maxLines: 0))
            } else if title.isEmpty {
                let fallback = [job.jobTitle, job.company].filter { !$0.isEmpty }.joined(separator: " — ")
                if !fallback.isEmpty {
                    v.addArrangedSubview(label(fallback, font: style.expTitleFont, color: style.ink, maxLines: 0))
                }
            }
        } else {
            let titleLine = [job.jobTitle, job.company].filter { !$0.isEmpty }.joined(separator: " — ")
            let meta = job.duration.trimmingCharacters(in: .whitespacesAndNewlines)
            if !titleLine.isEmpty {
                v.addArrangedSubview(label(titleLine, font: style.expTitleFont, color: style.ink, maxLines: 0))
            }
            if !meta.isEmpty {
                v.addArrangedSubview(label(meta, font: style.expMetaFont, color: template.themeColor, maxLines: 0))
            }
        }
        for bullet in Self.bulletChunks(from: job.description) {
            v.addArrangedSubview(bulletRow(bullet, compact: compact))
        }
        return v
    }

    private func educationBlock(edu: EducationPayload, compact: Bool) -> NSView {
        let v = NSStackView()
        v.orientation = .vertical
        v.spacing = 4
        v.alignment = .leading
        let institution = edu.institution.trimmingCharacters(in: .whitespacesAndNewlines)
        let degree = edu.degree.trimmingCharacters(in: .whitespacesAndNewlines)
        let year = edu.year.trimmingCharacters(in: .whitespacesAndNewlines)

        if template.family == .professional {
            if !institution.isEmpty {
                v.addArrangedSubview(label(institution, font: style.eduTitleFont, color: style.ink, maxLines: 0))
            }
            let subParts = [degree, year].filter { !$0.isEmpty }
            if !subParts.isEmpty {
                let sub = subParts.joined(separator: " · ")
                v.addArrangedSubview(label(sub, font: style.eduMetaFont, color: style.muted, maxLines: 0))
            }
        } else {
            let head = [edu.institution, edu.degree].filter { !$0.isEmpty }.joined(separator: " — ")
            if !head.isEmpty {
                v.addArrangedSubview(label(head, font: style.eduTitleFont, color: style.ink, maxLines: 0))
            }
            if !edu.year.isEmpty {
                v.addArrangedSubview(label(edu.year, font: style.eduMetaFont, color: style.muted, maxLines: 0))
            }
        }
        return v
    }

    private func bulletRow(_ text: String, compact: Bool) -> NSView {
        let marker: String = template.family == .minimal ? "·" : "•"
        let dot = NSTextField(labelWithString: marker)
        dot.font = style.bulletMarkerFont
        dot.textColor = style.bulletMarkerColor
        dot.translatesAutoresizingMaskIntoConstraints = false
        let bodyFont = compact ? style.bodyCompactFont : style.bulletBodyFont
        let body = label(text, font: bodyFont, color: style.ink, maxLines: 0)
        let row = NSStackView(views: [dot, body])
        row.orientation = .horizontal
        row.spacing = template.family == .creative ? 10 : 8
        row.alignment = .top
        dot.setContentHuggingPriority(.required, for: .horizontal)
        return row
    }

    private func paragraph(_ text: String, compact: Bool) -> NSTextField {
        let font = compact ? style.bodyCompactFont : style.bodyFont
        return label(text, font: font, color: style.ink, maxLines: 0)
    }

    /// Gallery + ATS “Clear Path” style use “Profile”; other families keep the neutral résumé label.
    private var summarySectionTitle: String {
        template.family == .professional ? "Profile" : "Summary"
    }

    private func sectionHeading(_ raw: String) -> NSTextField {
        let upper = raw.uppercased()
        let s: String
        switch template.sectionLabelStyle {
        case .uppercase: s = upper
        case .slashed: s = "// \(upper)"
        case .bracketed: s = "[ \(upper) ]"
        }
        let t = NSTextField(labelWithString: s)
        t.font = style.sectionFont
        t.textColor = style.sectionInk
        t.alignment = .left
        return t
    }

    private func label(_ string: String, font: NSFont, color: NSColor, maxLines: Int) -> NSTextField {
        let isWrapping = maxLines == 0
        let t: NSTextField
        if isWrapping {
            t = NSTextField(wrappingLabelWithString: string)
            t.maximumNumberOfLines = 0
        } else {
            t = NSTextField(labelWithString: string)
            t.maximumNumberOfLines = maxLines
        }
        t.font = font
        t.textColor = color
        t.alignment = .left
        return t
    }

    private func displayable(_ value: String, placeholder: String) -> String {
        let t = value.trimmingCharacters(in: .whitespacesAndNewlines)
        return t.isEmpty ? placeholder : t
    }

    private func nonEmpty(_ value: String) -> String? {
        let t = value.trimmingCharacters(in: .whitespacesAndNewlines)
        return t.isEmpty ? nil : t
    }

    private static func bulletChunks(from text: String) -> [String] {
        let trimmed = text.trimmingCharacters(in: .whitespacesAndNewlines)
        if trimmed.isEmpty { return [] }
        let byNewline = trimmed.components(separatedBy: .newlines)
            .map { $0.trimmingCharacters(in: .whitespaces) }
            .filter { !$0.isEmpty }
        if byNewline.count > 1 { return byNewline }
        let byBullet = trimmed.split(separator: "•")
            .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
            .filter { !$0.isEmpty }
        if byBullet.count > 1 { return byBullet.map { String($0) } }
        return [trimmed]
    }
}

// MARK: - Payload helpers

private extension WorkExperiencePayload {
    var isEffectivelyEmpty: Bool {
        [jobTitle, company, duration, description].allSatisfy { $0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
    }
}

private extension EducationPayload {
    var isEffectivelyEmpty: Bool {
        [degree, institution, year].allSatisfy { $0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
    }
}