import { LineEdit, ScrollView } from "std-widgets.slint";
import { AnnouncementItem, MessagePanel, MessageStrings } from "message_panel.slint";
import { FontAwesomeIcons, IconButton, CompactComboBox, ImGuiCheckBox, MiniToggleSwitch, CompactButton, PrimaryButton, SecondaryButton, ToggleSwitch, SectionTitle, DialogSurface, ImGuiLineStyle, ImGuiFontStyle } from "common.slint";

export struct RecentConnection {
    remote-id: string,
    display-name: string,
    host-name: string,
    online: bool,
    thumbnail: image,
    has-thumbnail: bool,
    platform: string,
}

export struct ReleaseNoteBlock {
    content: styled-text,
    section-gap: bool,
}

export enum UpdateCheckStatus { idle, checking, up-to-date, available, failed }

export global UiStrings {
    in-out property <string> local-desktop: "Local Desktop";
    in-out property <string> remote-desktop: "Remote Desktop";
    in-out property <string> recent-connections: "Recent Connections";
    in-out property <string> local-id: "Local ID";
    in-out property <string> device-name: "Device Name";
    in-out property <string> remote-id: "Remote ID";
    in-out property <string> online: "Online";
    in-out property <string> offline: "Offline";
    in-out property <string> password: "Password";
    in-out property <string> refresh-password: "Refresh random password";
    in-out property <string> copied: "Local ID copied to clipboard";
    in-out property <string> connect: "Connect";
    in-out property <string> settings: "Settings";
    in-out property <string> about: "About";
    in-out property <string> ok: "OK";
    in-out property <string> cancel: "Cancel";
    in-out property <string> save: "Save";
    in-out property <string> new-password: "New password (6 characters)";
    in-out property <string> invalid-password: "Password must contain exactly 6 characters";
    in-out property <string> edit-alias: "Connection alias";
    in-out property <string> delete-connection: "Delete connection";
    in-out property <string> confirm-delete: "Delete this recent connection?";
    in-out property <string> language: "Language";
    in-out property <string> capture-method: "Capture method";
    in-out property <string> capture-method-auto: "Auto";
    in-out property <string> codec: "Video codec";
    in-out property <string> hardware-codec: "Hardware video codec";
    in-out property <string> turn-relay: "TURN relay";
    in-out property <string> force-relay: "Force relay";
    in-out property <string> self-hosted: "Self-hosted server";
    in-out property <string> autostart: "Start with system";
    in-out property <string> daemon: "Run in background";
    in-out property <string> save-remote-previews: "Save remote screen previews:";
    in-out property <string> unknown-platform: "Unknown platform";
    in-out property <string> privacy-on-connect: "Privacy screen on connect";
    in-out property <string> file-save-path: "File save path";
    in-out property <string> default-desktop: "Desktop";
    in-out property <string> server-host: "Server host";
    in-out property <string> server-port: "Signal port";
    in-out property <string> version: "Version";
    in-out property <string> copyright: "© 2026 by JUNKUN DI. All right reserved.";
    in-out property <string> license: "Licensed under GNU GPL v3.";
    in-out property <string> signal-connected: "Signal server connected";
    in-out property <string> signal-disconnected: "Signal server disconnected";
    in-out property <string> tls-error: "Signal server TLS certificate error";
    in-out property <string> update-available: "A new version is available";
    in-out property <string> new-version: "New version";
    in-out property <string> check-for-updates: "Check for updates";
    in-out property <string> checking-for-updates: "Checking for updates…";
    in-out property <string> up-to-date: "You’re up to date";
    in-out property <string> update-check-failed: "Check failed. Please try again later.";
    in-out property <string> release-notes: "Release notes";
    in-out property <string> view-release-notes: "Release notes";
    in-out property <string> later: "Later";
    in-out property <string> download: "Download";
    in-out property <string> input-password: "Input password";
    in-out property <string> reinput-password: "Incorrect password, please try again";
    in-out property <string> remember-password: "Remember password";
    in-out property <string> validate-password: "Validating password";
    in-out property <string> request-permissions: "Request permissions";
    in-out property <string> permission-required: "The application requires the following permissions:";
    in-out property <string> screen-recording-permission: "Screen recording permission";
    in-out property <string> accessibility-permission: "Accessibility permission";
    in-out property <string> wayland-notice-title: "Wayland Session Notice";
    in-out property <string> wayland-notice-subtitle;
    in-out property <string> wayland-permission-title;
    in-out property <string> wayland-notice-message;
    in-out property <string> wayland-recommendation-title;
    in-out property <string> wayland-recommendation-message;
    in-out property <string> wayland-notice-acknowledge: "Got it";
    in-out property <string> service-setup-title: "Install CrossDesk Service";
    in-out property <string> service-setup-message: "Administrator permission is required to control this device while it is locked.";
    in-out property <string> service-settings-label: "Lock Screen Service:";
    in-out property <string> install-service: "Install";
    in-out property <string> service-installed: "Installed";
    in-out property <string> do-not-remind: "Do not remind again";
    in-out property <string> notification: "Notification";
    in-out property <string> service-suppressed-message: "You will not be reminded again. You can install the service later in Settings.";
    in-out property <string> codec-h264: "H.264";
    in-out property <string> codec-av1: "AV1";
    in-out property <string> self-hosted-settings: "Self-hosted server settings";
    in-out property <string> access-website: "Website: ";
    in-out property <string> release-date-label: "Release Date: ";
}

// Fluent LineEdit draws a blue 2px focus underline. The ImGui-style field
// already has its own border, so cover that underline and restore its bottom
// edge without changing the editor's focus, selection, or clear-button logic.
component LineEditFocusUnderlineMask inherits Rectangle {
    height: 3px;
    background: white;
    z: 2;

    Rectangle {
        y: parent.height - 1px;
        height: 1px;
        background: ImGuiLineStyle.border;
    }
}

// Prompt copy in modal dialogs sits slightly low in the legacy ImGui layout.
// Offset only the rendered text so input fields and action buttons keep their
// established geometry.
component DialogPromptText inherits Rectangle {
    in property <string> prompt;
    in property <color> text-color: #30343b;
    in property <length> text-size: ImGuiFontStyle.base;
    in property <int> text-weight: 400;

    // Mirror Text's intrinsic layout constraints exactly. This makes the
    // wrapper invisible to VerticalLayout: siblings retain the same geometry
    // they had when the Text item was a direct child.
    min-height: prompt-label.min-height;
    preferred-height: prompt-label.preferred-height;
    max-height: prompt-label.max-height;
    vertical-stretch: prompt-label.vertical-stretch;

    prompt-label := Text {
        y: 10px;
        width: parent.width;
        text: root.prompt;
        color: root.text-color;
        font-size: root.text-size;
        font-weight: root.text-weight;
        wrap: word-wrap;
        horizontal-alignment: center;
    }
}

// Explicit device labels make state readable without interpreting a dot.
// Opaque surfaces keep the badge legible over both dark and light previews.
component ConnectionStatusBadge inherits Rectangle {
    in property <string> label;
    in property <bool> online: false;

    preferred-width: badge-label.preferred-width + 16px;
    width: self.preferred-width;
    height: 20px;
    border-radius: self.height / 2;
    background: root.online ? #eaf8f0 : #f2f4f7;
    border-width: 1px;
    border-color: root.online ? #bce3cd : #d5dbe3;

    badge-label := Text {
        x: 8px;
        width: max(0px, parent.width - 16px);
        height: parent.height;
        text: root.label;
        color: root.online ? #16a34a : #596575;
        font-size: ImGuiFontStyle.small;
        font-weight: 600;
        horizontal-alignment: center;
        vertical-alignment: center;
        overflow: elide;
    }
}

// Keep the green center and fade the surrounding glow into the status bar.
component OnlineStatusIndicator inherits Rectangle {
    in property <length> dot-diameter: 8px;

    width: root.dot-diameter * 2.2;
    height: self.width;
    border-radius: self.width / 2;
    // Slint's default radial radius is half the bounding-box diagonal.
    // Fade out at the circle's edge (1 / sqrt(2)), before rounded clipping.
    background: @radial-gradient(
        circle,
        #00ff0040 0%,
        #00ff0038 32%,
        #00ff0018 50%,
        #00ff0007 62%,
        #00ff0000 70.7%
    );

    Rectangle {
        x: (parent.width - root.dot-diameter) / 2;
        y: (parent.height - root.dot-diameter) / 2;
        width: root.dot-diameter;
        height: root.dot-diameter;
        border-radius: root.dot-diameter / 2;
        background: #00ff00;
    }
}

// ImGui::Button under StyleColorsLight(), used by both actions in the legacy
// connection-password dialog. The old dialog does not distinguish primary and
// secondary actions visually.
component ConnectionDialogButton inherits Rectangle {
    in property <string> text;
    callback clicked;

    width: max(40px, button-label.preferred-width + 8px);
    height: 24px;
    background: button-touch.pressed ? #0f87fa
              : button-touch.has-hover ? #4296fa
              : #4296fa66;
    border-radius: 3px;

    button-label := Text {
        text: root.text;
        color: #000000de;
        font-size: ImGuiFontStyle.base;
        horizontal-alignment: center;
        vertical-alignment: center;
    }
    button-touch := TouchArea { clicked => { root.clicked(); } }
}

// Use the same compact, plain-text field for connection and password changes.
component PasswordInput inherits Rectangle {
    in-out property <string> text;
    in property <int> max-length: 0;
    private property <string> previous-text;
    callback accepted;

    width: 70px;
    height: 23px;
    background: white;
    border-width: 1px;
    border-color: ImGuiLineStyle.border;
    border-radius: 3px;
    forward-focus: editor;

    init => { root.previous-text = root.text; }

    editor := TextInput {
        x: 5px; y: 1px; width: parent.width - 10px; height: parent.height - 2px;
        text <=> root.text;
        input-type: InputType.text;
        single-line: true;
        color: #202124;
        font-size: ImGuiFontStyle.base;
        vertical-alignment: center;
        selection-foreground-color: white;
        selection-background-color: #2463c7;
        edited => {
            // Validate the resulting text so typing, paste, and replacement
            // all obey the limit while deletion and selection still work.
            if (root.max-length > 0 && self.text.character-count > root.max-length) {
                self.text = root.previous-text;
            } else {
                root.previous-text = self.text;
            }
        }
        accepted => { root.accepted(); }
    }
    Timer {
        interval: 1ms;
        running: true;
        triggered => {
            self.running = false;
            editor.focus();
            // Place the caret after any restored password, including UTF-8.
            editor.select-all();
            editor.clear-selection();
        }
    }
}

export component MainWindow inherits Window {
    title: "CrossDesk";
    icon: @image-url("../../../resources/linux/crossdesk_256x256.png");
    preferred-width: 640px;
    preferred-height: 450px + root.titlebar-height;
    min-width: 640px;
    max-width: 640px;
    min-height: 450px + root.titlebar-height;
    max-height: 450px + root.titlebar-height;
    no-frame: root.custom-titlebar;
    background: root.wayland-titlebar ? transparent : white;
    default-font-size: ImGuiFontStyle.base;

    in property <bool> custom-titlebar: false;
    in property <bool> wayland-titlebar: false;
    in property <bool> window-active: true;
    private property <length> titlebar-height:
        root.custom-titlebar ? (root.wayland-titlebar ? 32px : 31px) : 0px;
    private property <length> wayland-corner-radius: 12px;
    in property <string> local-id: "";
    in property <string> local-password: "";
    in-out property <string> remote-id-input: "";
    in property <bool> password-visible: true;
    in property <bool> password-change-pending: false;
    in property <bool> signal-connected: false;
    in property <bool> signal-tls-error: false;
    in property <[RecentConnection]> recent-connections;
    in property <[AnnouncementItem]> announcements;
    in property <int> announcement-unread;
    private property <string> announcement-unread-label:
        root.announcement-unread > 99 ? "99+" : "" + root.announcement-unread;
    in property <int> announcement-total;
    in property <bool> announcement-loading;
    in property <bool> announcement-failed;
    in property <bool> announcement-read-save-failed;
    in property <bool> announcement-delete-failed;
    in property <bool> announcement-loaded;
    in-out property <bool> messages-open: false;
    in property <string> announcement-selected-id;
    in property <string> announcement-selected-title;
    in property <styled-text> announcement-selected-body;
    in property <string> announcement-selected-date;
    in property <bool> announcement-selected-read;
    callback open-announcement(string, string);
    callback open-announcement-link(string);
    callback delete-announcement(string, string);
    callback refresh-announcements;
    callback load-more-announcements;
    in property <bool> update-available: false;
    in property <UpdateCheckStatus> update-check-status: idle;
    private property <string> update-status-text:
        root.update-check-status == UpdateCheckStatus.checking ? UiStrings.checking-for-updates :
        root.update-check-status == UpdateCheckStatus.up-to-date ? UiStrings.up-to-date :
        root.update-check-status == UpdateCheckStatus.failed ? UiStrings.update-check-failed : "";
    in property <string> current-version: "";
    in property <string> latest-version: "";
    in property <string> release-name: "";
    in property <[ReleaseNoteBlock]> release-note-blocks;
    in property <string> release-date: "";
    in-out property <string> offline-warning: "";
    in property <bool> connection-dialog-open: false;
    in property <string> connection-status-text: "";
    in property <bool> connection-pending: false;
    in property <bool> connection-password-required: false;
    in property <bool> connection-validating: false;
    in-out property <string> connection-password: "";
    in-out property <bool> connection-remember-password: false;
    in property <bool> permission-dialog-open: false;
    in property <bool> screen-recording-granted: true;
    in property <bool> accessibility-granted: true;
    in-out property <bool> wayland-notice-open: false;
    in property <bool> portable-service-settings-visible: false;
    in property <bool> portable-service-dialog-open: false;
    in property <bool> portable-service-suppressed-notice-open: false;
    in property <bool> portable-service-installed: false;
    in property <bool> portable-service-installing: false;
    in property <bool> portable-service-succeeded: false;
    in property <string> portable-service-status: "";
    in-out property <bool> portable-service-do-not-remind: false;

    in-out property <int> language-index: 0;
    in property <bool> capture-method-visible: false;
    in-out property <int> capture-method-index: 0;
    in-out property <int> codec-index: 0;
    in-out property <bool> hardware-codec-enabled: true;
    in-out property <bool> turn-enabled: true;
    in-out property <bool> force-relay-enabled: false;
    changed turn-enabled => {
        if !root.turn-enabled { root.force-relay-enabled = false; }
    }
    in-out property <bool> self-hosted-enabled: false;
    in-out property <bool> autostart-enabled: false;
    in-out property <bool> daemon-enabled: false;
    in-out property <bool> save-remote-previews: true;
    // Show the preference on every platform; only adapted hosts can change it.
    in property <bool> privacy-setting-available: false;
    in-out property <bool> privacy-on-connect-enabled: true;
    in-out property <string> file-save-path: "";
    in-out property <string> server-host: "";
    in-out property <string> server-port: "";
    in-out property <string> self-host-settings-error: "";
    in property <bool> settings-session-active: false;
    // Keep the setting visible on every platform. Unsupported builds expose it
    // as disabled so the fixed settings layout never turns into a blank row.
    in property <bool> hardware-codec-available: true;

    callback copy-local-id;
    callback toggle-password-visibility;
    callback refresh-password;
    callback reset-password(string) -> bool;
    callback format-remote-id(string) -> string;
    callback connect-requested(string);
    callback recent-connect(string);
    callback recent-edit-alias(string, string);
    callback recent-delete(string);
    callback save-settings() -> bool;
    callback cancel-settings;
    callback save-self-hosted-settings() -> bool;
    callback cancel-self-hosted-settings;
    callback browse-save-path;
    callback open-download;
    callback check-for-updates;
    callback connection-cancel;
    callback connection-acknowledge;
    callback connection-submit-password(string, bool);
    callback reset-remote-id;
    callback request-screen-recording-permission;
    callback request-accessibility-permission;
    callback install-portable-service;
    callback cancel-portable-service;
    callback acknowledge-portable-service;
    callback acknowledge-portable-service-suppressed;
    callback main-title-drag(int, length, length);
    callback minimize-main-window;
    callback close-main-window;

    private property <bool> menu-open: false;
    in-out property <bool> settings-open: false;
    private property <length> settings-scroll-y: 0px;
    in-out property <bool> self-host-settings-open: false;
    changed self-host-settings-open => {
        if !root.self-host-settings-open { root.self-host-settings-error = ""; }
    }
    in-out property <bool> about-open: false;
    // Follow the first available update. Dismissing the dialog replaces this
    // binding, so background checks do not reopen it during this launch.
    in-out property <bool> update-open: root.update-available;
    in-out property <bool> reset-password-open: false;
    in-out property <bool> reset-password-invalid: false;
    in-out property <string> new-password-input: "";
    in-out property <bool> alias-open: false;
    private property <string> alias-remote-id: "";
    in-out property <string> alias-input: "";
    in-out property <bool> delete-open: false;
    private property <string> delete-remote-id: "";
    private property <bool> copy-toast: false;
    private property <bool> compact-language: root.language-index == 0;
    private property <bool> recent-tooltip-visible: false;
    private property <string> recent-tooltip-name: "";
    private property <string> recent-tooltip-host: "";
    private property <string> recent-tooltip-id: "";
    private property <bool> recent-tooltip-online: false;
    private property <length> recent-tooltip-pointer-x: 0px;
    private property <length> recent-tooltip-pointer-y: 0px;
    private property <length> recent-tooltip-width: 260px;
    private property <length> recent-tooltip-height:
        root.recent-tooltip-host != "" && root.recent-tooltip-host != root.recent-tooltip-name
            ? 80px : 64px;
    private property <length> recent-tooltip-x: min(
        root.width - root.recent-tooltip-width - 8px,
        max(8px,
            root.recent-tooltip-pointer-x > root.width * 0.7
                ? root.recent-tooltip-pointer-x - root.recent-tooltip-width - 12px
                : root.recent-tooltip-pointer-x + 12px));
    private property <length> recent-tooltip-y: min(
        root.height - root.titlebar-height - root.recent-tooltip-height - 8px,
        max(8px, root.recent-tooltip-pointer-y - root.recent-tooltip-height - 8px));

    changed settings-open => {
        if root.settings-open {
            root.settings-scroll-y = 0px;
            focus-sink.focus();
        }
    }

    changed wayland-notice-open => {
        if root.wayland-notice-open { focus-sink.focus(); }
    }

    changed messages-open => {
        if root.messages-open { focus-sink.focus(); }
    }

    reset-remote-id => {
        root.remote-id-input = "";
        remote-id-editor.focus();
    }

    window-surface := Rectangle {
        width: root.width;
        height: root.height;
        background: root.wayland-titlebar ? #f6f5f4 : transparent;
        border-radius:
            root.wayland-titlebar ? root.wayland-corner-radius : 0px;
        clip: root.wayland-titlebar;

        if root.custom-titlebar && root.wayland-titlebar: Rectangle {
            x: 0px;
            y: 0px;
            width: parent.width;
            height: root.titlebar-height;
            background: #f6f5f4;
            z: 100;

            Text {
                x: 80px;
                width: parent.width - 160px;
                height: parent.height;
                text: "CrossDesk";
                color: root.window-active ? #3d3d3d : #747474;
                font-size: 12px;
                font-weight: 600;
                horizontal-alignment: center;
                vertical-alignment: center;
                overflow: elide;
            }
            wayland-title-drag := TouchArea {
                width: parent.width - 80px;
                property <int> phase: self.pressed ? 1 : 0;
                changed phase => {
                    root.main-title-drag(phase, self.mouse-x, self.mouse-y);
                }
                moved => {
                    if (self.pressed) {
                        root.main-title-drag(2, self.mouse-x, self.mouse-y);
                    }
                }
            }
            wayland-minimize-button := Rectangle {
                x: parent.width - 74px;
                y: 4px;
                width: 24px;
                height: 24px;
                border-radius: 12px;
                background: wayland-minimize-touch.pressed ? #c0bfbc
                          : wayland-minimize-touch.has-hover ? #deddda
                          : root.window-active ? #e6e6e6
                                               : transparent;
                accessible-role: button;
                accessible-label: "Minimize";
                accessible-action-default => { wayland-minimize-touch.clicked(); }
                Rectangle {
                    x: 8px;
                    y: 13px;
                    width: 8px;
                    height: 0.75px;
                    background: root.window-active
                        || wayland-minimize-touch.has-hover
                        || wayland-minimize-touch.pressed ? #454545 : #898989;
                }
                wayland-minimize-touch := TouchArea {
                    clicked => { root.minimize-main-window(); }
                }
            }
            wayland-close-button := Rectangle {
                x: parent.width - 34px;
                y: 4px;
                width: 24px;
                height: 24px;
                border-radius: 12px;
                background: wayland-close-touch.pressed ? #b2161d
                          : wayland-close-touch.has-hover ? #e01b24
                          : root.window-active ? #e6e6e6
                                               : transparent;
                accessible-role: button;
                accessible-label: "Close";
                accessible-action-default => { wayland-close-touch.clicked(); }
                Path {
                    width: parent.width;
                    height: parent.height;
                    viewbox-width: 24;
                    viewbox-height: 24;
                    commands: "M 14.75 14.75 L 8.25 8.25 M 14.75 8.25 L 8.25 14.75";
                    stroke: wayland-close-touch.has-hover
                        || wayland-close-touch.pressed ? white
                        : root.window-active ? #454545 : #898989;
                    stroke-width: 1px;
                }
                wayland-close-touch := TouchArea {
                    clicked => { root.close-main-window(); }
                }
            }
            Rectangle {
                y: parent.height - 1px;
                height: 1px;
                background: #d5d3d0;
            }
        }

    if root.custom-titlebar && !root.wayland-titlebar: Rectangle {
        x: 0px;
        y: 0px;
        width: root.width;
        height: 31px;
        background: #f9f9f9;
        z: 100;

        Image {
            x: 8px;
            y: 7px;
            width: 16px;
            height: 16px;
            source: @image-url("../../../resources/linux/crossdesk_16x16.png");
            image-fit: contain;
        }
        Text {
            x: 30px;
            width: parent.width - 122px;
            height: parent.height;
            text: "CrossDesk";
            color: #202124;
            font-size: 12px;
            vertical-alignment: center;
            overflow: elide;
        }
        title-drag := TouchArea {
            x: 0px;
            width: parent.width - 92px;
            property <int> phase: self.pressed ? 1 : 0;
            changed phase => { root.main-title-drag(phase, self.mouse-x, self.mouse-y); }
            moved => { if (self.pressed) { root.main-title-drag(2, self.mouse-x, self.mouse-y); } }
        }
        minimize-button := Rectangle {
            x: parent.width - 92px;
            width: 46px;
            height: parent.height;
            background: minimize-touch.pressed ? #c7c7c7
                      : minimize-touch.has-hover ? #e5e5e5
                                                 : transparent;
            accessible-role: button;
            accessible-label: "Minimize";
            accessible-action-default => { minimize-touch.clicked(); }
            Text {
                text: FontAwesomeIcons.minus;
                color: #202124;
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                font-size: 10px;
                horizontal-alignment: center;
                vertical-alignment: center;
                accessible-role: none;
            }
            minimize-touch := TouchArea { clicked => { root.minimize-main-window(); } }
        }
        close-button := Rectangle {
            x: parent.width - 46px;
            width: 46px;
            height: parent.height;
            background: close-touch.pressed ? #b3251b
                      : close-touch.has-hover ? #c42b1c
                                              : transparent;
            accessible-role: button;
            accessible-label: "Close";
            accessible-action-default => { close-touch.clicked(); }
            Text {
                text: FontAwesomeIcons.xmark;
                color: close-touch.has-hover || close-touch.pressed ? white : #202124;
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                font-size: 12px;
                horizontal-alignment: center;
                vertical-alignment: center;
                accessible-role: none;
            }
            close-touch := TouchArea { clicked => { root.close-main-window(); } }
        }
        Rectangle {
            y: parent.height - 1px;
            height: 1px;
            background: #d4d4d4;
        }
    }

    content-layer := Rectangle {
        x: 0px;
        y: root.titlebar-height;
        width: root.width;
        height: root.height - self.y;
        clip: true;

    Rectangle {
        width: parent.width;
        height: parent.height;
        background: white;
        border-width: 0px;
        border-radius: 0px;

        focus-sink := FocusScope {
            x: 0px; y: 0px; width: 0px; height: 0px;
            key-pressed(event) => {
                if root.wayland-notice-open {
                    if event.text == Key.Return || event.text == Key.Escape {
                        root.wayland-notice-open = false;
                    }
                    return accept;
                }
                if root.messages-open {
                    if event.text == Key.Escape { root.messages-open = false; }
                    return accept;
                }
                return reject;
            }
        }
        TouchArea { clicked => { focus-sink.focus(); } }

        // Slint owns the client area below the native macOS title bar. Draw
        // the boundary here because AppKit's titlebar separator is not shown
        // reliably when winit creates a window without an NSToolbar.
        Rectangle {
            x: 0px;
            y: 0px;
            width: parent.width;
            height: 1px;
            background: ImGuiLineStyle.control-separator;
            z: 7;
        }

        // App actions live in the content header; window controls and dragging
        // remain in the native or Windows-specific title bar above it.
        menu-button := IconButton {
            x: parent.width - 40px;
            y: 4px;
            width: 32px;
            height: 32px;
            icon: FontAwesomeIcons.bars;
            icon-size: 14px;
            hover-background: #e1e5eb;
            pressed-background: #cbd1d9;
            tooltip: root.announcement-unread > 0
                ? MessageStrings.unread + " " + root.announcement-unread + (root.update-available ? " · " + UiStrings.update-available : "")
                : root.update-available ? UiStrings.update-available : "";
            z: 8;
            clicked => { root.menu-open = !root.menu-open; }
        }
        // Unread messages take precedence so the menu has only one indicator.
        if root.update-available && root.announcement-unread <= 0: Rectangle {
            x: menu-button.x + menu-button.width - self.width + 4px;
            y: menu-button.y - 1px;
            width: 16px;
            height: 16px;
            border-radius: 8px;
            border-width: 1px;
            border-color: white;
            background: #2563eb;
            opacity: root.menu-open || mod(animation-tick(), 2s) < 1s ? 1 : 0;
            z: 9;
            accessible-role: button;
            accessible-label: UiStrings.update-available;
            accessible-action-default => { root.menu-open = !root.menu-open; }
            // Center the visible mark independently of font baseline metrics.
            Rectangle {
                x: (parent.width - self.width) / 2;
                y: (parent.height - self.height) / 2;
                width: 2px;
                height: 10px;
                accessible-role: none;
                Rectangle {
                    y: 0px;
                    width: parent.width;
                    height: 6px;
                    border-radius: 1px;
                    background: white;
                }
                Rectangle {
                    y: 8px;
                    width: parent.width;
                    height: 2px;
                    border-radius: 1px;
                    background: white;
                }
            }
            TouchArea {
                mouse-cursor: pointer;
                clicked => { root.menu-open = !root.menu-open; }
            }
        }
        if root.announcement-unread > 0: Rectangle {
            x: menu-button.x + menu-button.width - self.width + 4px;
            y: menu-button.y - 1px;
            width: max(16px, unread-badge-label.preferred-width + 8px);
            height: 16px;
            border-radius: 8px;
            border-width: 1px;
            border-color: white;
            background: #d92d20;
            z: 9;
            accessible-role: button;
            accessible-label: MessageStrings.messages + " · " + MessageStrings.unread + " " + root.announcement-unread;
            accessible-action-default => { root.menu-open = !root.menu-open; }
            unread-badge-label := Text {
                text: root.announcement-unread-label;
                color: white;
                font-size: 10px;
                font-weight: 600;
                horizontal-alignment: center;
                vertical-alignment: center;
                accessible-role: none;
            }
            TouchArea {
                mouse-cursor: pointer;
                clicked => { root.menu-open = !root.menu-open; }
            }
        }

        // Local and remote desktop panels.
        Rectangle {
            y: 0px;
            height: 234px;
            background: white;

            SectionTitle { x: 29px; y: 9px; width: 256px; height: 31px; text: UiStrings.local-desktop; }
            Rectangle {
                   x: 29px;
                    y: 42px;
                    width: 256px;
                    height: 183px;
                    background: #eff0f2;
                    border-radius: 9px;
                    border-width: 1px;
                    border-color: ImGuiLineStyle.border;

                    Text { x: 8px; y: 10px; width: 160px; height: 26px; text: UiStrings.local-id; color: #111111; font-size: ImGuiFontStyle.panel-label; }
                    Rectangle {
                                x: 8px;
                                y: 42px;
                                width: 160px;
                                height: 38px;
                                background: white;
                                border-width: 1px;
                                border-color: ImGuiLineStyle.border;
                                border-radius: 4px;
                                // Measure the ID using the preferred field size.
                                // The visible text can then scale only on systems
                                // whose font metrics would otherwise clip it.
                                local-id-width-probe := Text {
                                    visible: false;
                                    text: root.local-id;
                                    font-size: ImGuiFontStyle.field-value;
                                    letter-spacing: 1px;
                                }
                                Text {
                                    x: 8px;
                                    // Compensate for the font's ascender-heavy
                                    // metrics so digits sit at the optical center.
                                    y: 4px;
                                    width: parent.width - 16px;
                                    height: parent.height - 4px;
                                    text: root.local-id;
                                    color: #20242a;
                                    font-size: max(18px,
                                        ImGuiFontStyle.field-value *
                                        (self.width / max(self.width, local-id-width-probe.preferred-width)));
                                    letter-spacing: 1px;
                                    horizontal-alignment: left;
                                    vertical-alignment: center;
                                }
                    }
                    IconButton {
                                x: 174px;
                                y: 46px;
                                width: 29px;
                                height: 30px;
                                icon: FontAwesomeIcons.copy;
                                icon-size: 16px;
                                tooltip: UiStrings.copied;
                                clicked => {
                                    root.copy-local-id();
                                    root.copy-toast = true;
                                    copy-timer.restart();
                                }
                    }
                    Rectangle { x: 8px; y: 88px; width: 240px; height: 1px; background: ImGuiLineStyle.separator; }
                    Text { x: 8px; y: 101px; width: 160px; height: 26px; text: UiStrings.password; color: #111111; font-size: ImGuiFontStyle.panel-label; }
                    Rectangle {
                                x: 8px;
                                y: 129px;
                                width: 160px;
                                height: 39px;
                                background: white;
                                border-width: 1px;
                                border-color: ImGuiLineStyle.border;
                                border-radius: 4px;
                                Text {
                                    x: 8px;
                                    y: 4px;
                                    width: parent.width - 16px;
                                    height: parent.height - 4px;
                                    text: root.password-visible ? root.local-password : "••••••";
                                    color: #20242a;
                                    font-size: ImGuiFontStyle.field-value;
                                    letter-spacing: 2px;
                                    horizontal-alignment: left;
                                    vertical-alignment: center;
                                }
                    }
                    IconButton {
                                x: 174px;
                                y: 133px;
                                width: 24px;
                                height: 30px;
                                icon: root.password-visible ? FontAwesomeIcons.eye : FontAwesomeIcons.eye-slash;
                                icon-size: 17px;
                                clicked => { root.toggle-password-visibility(); }
                    }
                    IconButton {
                                x: 198px;
                                y: 133px;
                                width: 24px;
                                height: 30px;
                                icon: FontAwesomeIcons.rotate;
                                icon-size: 15px;
                                tooltip: UiStrings.refresh-password;
                                enabled: !root.password-change-pending;
                                clicked => { root.refresh-password(); }
                    }
                    IconButton {
                                x: 222px;
                                y: 133px;
                                width: 24px;
                                height: 30px;
                                icon: FontAwesomeIcons.pen;
                                icon-size: 15px;
                                enabled: !root.password-change-pending;
                                clicked => { root.reset-password-open = true; }
                    }
            }

            Rectangle { x: parent.width / 2; y: 18px; width: 1px; height: 206px; background: ImGuiLineStyle.divider; }

            SectionTitle { x: 356px; y: 9px; width: 256px; height: 31px; text: UiStrings.remote-desktop; }
            Rectangle {
                    x: 356px;
                    y: 42px;
                    width: 256px;
                    height: 183px;
                    background: #eff0f2;
                    border-radius: 9px;
                    border-width: 1px;
                    border-color: ImGuiLineStyle.border;

                    Text { x: 8px; y: 10px; width: 160px; height: 26px; text: UiStrings.remote-id; color: #111111; font-size: ImGuiFontStyle.panel-label; }
                    Rectangle {
                                x: 8px;
                                y: 42px;
                                width: 160px;
                                height: 38px;
                                background: white;
                                border-width: 1px;
                                border-color: ImGuiLineStyle.border;
                                border-radius: 4px;
                                remote-id-editor := TextInput {
                                    x: 10px;
                                    y: 1.5px;
                                    width: parent.width - 20px;
                                    height: parent.height - 3px;
                                    text <=> root.remote-id-input;
                                    font-size: ImGuiFontStyle.field-value;
                                    input-type: InputType.number;
                                    color: #202124;
                                    vertical-alignment: center;
                                    selection-foreground-color: white;
                                    selection-background-color: #2463c7;
                                    // Run formatting after the input event has
                                    // finished so the caret state isn't reset by
                                    // a synchronous two-way binding rewrite.
                                    edited => { remote-id-format-timer.restart(); }
                                    accepted => { root.connect-requested(root.remote-id-input); }
                                }
                    }
                    IconButton {
                                x: 175px;
                                y: 42px;
                                width: 64px;
                                height: 38px;
                                normal-background: #a7cefc;
                                hover-background: #b8d8fc;
                                pressed-background: #76aeea;
                                border-radius: 4px;
                                icon: FontAwesomeIcons.arrow-right-long;
                                icon-size: 25px;
                                clicked => { root.connect-requested(root.remote-id-input); }
                    }
            }
        }

        // Recent connections: horizontal cards with thumbnail, state and actions.
        recent-panel := Rectangle {
            y: 234px;
            height: 192px;
            background: white;
            border-width: 0px;
            border-color: ImGuiLineStyle.border;

            Rectangle { y: 0px; height: 1px; background: ImGuiLineStyle.border; }

            SectionTitle { x: 29px; y: 7px; height: 28px; text: UiStrings.recent-connections; }

            recent-list := Rectangle {
                x: 29px;
                y: 42px;
                width: parent.width - 58px;
                height: 139px;
                background: #eff0f2;
                border-width: 1px;
                border-color: ImGuiLineStyle.border;
                border-radius: 10px;
                clip: true;

                recent-scroll := ScrollView {
                    width: parent.width;
                    height: parent.height;
                    horizontal-stretch: 1;

                HorizontalLayout {
                    padding-left: 8px;
                    padding-top: 8px;
                    padding-bottom: 14px;
                    spacing: 24px;
                    alignment: start;
                    for connection[index] in root.recent-connections: connection-card := Rectangle {
                        width: 178px;
                        height: 117px;
                        background: transparent;
                        private property <length> content-width: self.width - 30px;
                        private property <length> toolbar-width: 79px;
                        private property <length> toolbar-right-padding: 3px;

                        Rectangle {
                            x: 7px;
                            y: 7px;
                            width: connection-card.content-width;
                            height: 109px;
                            border-radius: 4px;
                            clip: true;

                            Rectangle {
                                x: 0px;
                                y: 0px;
                                width: parent.width;
                                height: 84px;
                                background: connection.platform == "windows" ? @linear-gradient(135deg, #1f61b3, #337ac4) :
                                    connection.platform == "macos" ? @linear-gradient(135deg, #6e4aad, #8c63c4) :
                                    connection.platform == "linux" ? @linear-gradient(135deg, #a14f14, #ba631f) :
                                    connection.platform == "ios" ? @linear-gradient(135deg, #146e66, #1f8278) :
                                    @linear-gradient(135deg, #596675, #737d8c);
                                if connection.has-thumbnail: Image {
                                    width: parent.width;
                                    height: parent.height;
                                    source: connection.thumbnail;
                                    image-fit: cover;
                                }
                                if !connection.has-thumbnail: Text {
                                    x: 8px;
                                    width: parent.width - 16px;
                                    height: parent.height;
                                    text: connection.platform == "windows" ? "Windows" :
                                        connection.platform == "macos" ? "macOS" :
                                        connection.platform == "linux" ? "Linux" :
                                        connection.platform == "ios" ? "iOS" : UiStrings.unknown-platform;
                                    color: white;
                                    font-size: 20px;
                                    font-weight: 600;
                                    horizontal-alignment: center;
                                    vertical-alignment: center;
                                    overflow: elide;
                                }
                            }
                            Rectangle {
                                x: 0px;
                                y: 84px;
                                width: parent.width;
                                height: 25px;
                                background: #00000018;
                                Text {
                                    x: 4px;
                                    y: 1px;
                                    height: parent.height - self.y;
                                    width: max(0px, parent.width - self.x - 4px
                                               - (card-touch.has-hover
                                                  ? connection-card.toolbar-width + connection-card.toolbar-right-padding
                                                  : 0px));
                                    text: connection.display-name;
                                    color: #30343b;
                                    // The ImGui card footer uses its own 0.52 font
                                    // scale and renders slightly larger than the
                                    // compact body text used in dialogs.
                                    font-size: ImGuiFontStyle.base;
                                    overflow: elide;
                                    vertical-alignment: center;
                                }
                            }
                            ConnectionStatusBadge {
                                x: 6px;
                                y: 6px;
                                width: min(self.preferred-width, parent.width - 12px);
                                label: connection.online ? UiStrings.online : UiStrings.offline;
                                online: connection.online;
                            }
                            // The software renderer only clips rectangular bounds.
                            // This outer border masks the four corners there too.
                            Rectangle {
                                x: -parent.border-radius;
                                y: -parent.border-radius;
                                width: parent.width + 2 * parent.border-radius;
                                height: parent.height + 2 * parent.border-radius;
                                border-width: parent.border-radius;
                                border-radius: 2 * parent.border-radius;
                                border-color: recent-list.background;
                            }
                        }
                        card-touch := TouchArea {
                            x: 7px;
                            y: 7px;
                            width: connection-card.content-width;
                            height: 109px;
                            clicked => { root.recent-connect(connection.remote-id); }
                            image-touch := TouchArea {
                                width: parent.width;
                                height: 84px;
                                clicked => { root.recent-connect(connection.remote-id); }
                                changed has-hover => {
                                    if self.has-hover {
                                        root.recent-tooltip-name = connection.display-name;
                                        root.recent-tooltip-host = connection.host-name;
                                        root.recent-tooltip-id = connection.remote-id;
                                        root.recent-tooltip-online = connection.online;
                                        root.recent-tooltip-pointer-x = recent-panel.x + recent-list.x
                                            + recent-scroll.x + recent-scroll.viewport-x
                                            + connection-card.x + card-touch.x + self.mouse-x;
                                        root.recent-tooltip-pointer-y = recent-panel.y + recent-list.y
                                            + recent-scroll.y + recent-scroll.viewport-y
                                            + connection-card.y + card-touch.y + self.mouse-y;
                                        root.recent-tooltip-visible = true;
                                    } else if root.recent-tooltip-id == connection.remote-id {
                                        root.recent-tooltip-visible = false;
                                    }
                                }
                                moved => {
                                    if self.has-hover {
                                        root.recent-tooltip-pointer-x = recent-panel.x + recent-list.x
                                            + recent-scroll.x + recent-scroll.viewport-x
                                            + connection-card.x + card-touch.x + self.mouse-x;
                                        root.recent-tooltip-pointer-y = recent-panel.y + recent-list.y
                                            + recent-scroll.y + recent-scroll.viewport-y
                                            + connection-card.y + card-touch.y + self.mouse-y;
                                    }
                                }
                            }
                            if card-touch.has-hover: Rectangle {
                                x: parent.width - self.width - connection-card.toolbar-right-padding;
                                y: 85px;
                                width: connection-card.toolbar-width;
                                height: 23px;
                                background: #4a4e55dc;
                                border-radius: 5px;
                                HorizontalLayout {
                                    spacing: 0px;
                                    IconButton {
                                        width: 26px; height: 23px; icon: FontAwesomeIcons.pen; icon-size: 12px; icon-color: white;
                                        hover-background: #ffffff2e;
                                        pressed-background: #598cf273;
                                        clicked => {
                                            root.alias-remote-id = connection.remote-id;
                                            root.alias-input = connection.display-name;
                                            root.alias-open = true;
                                        }
                                    }
                                    IconButton {
                                        width: 26px; height: 23px; icon: FontAwesomeIcons.trash-can; icon-size: 12px; icon-color: white;
                                        hover-background: #ffffff2e;
                                        pressed-background: #598cf273;
                                        clicked => {
                                            root.delete-remote-id = connection.remote-id;
                                            root.delete-open = true;
                                        }
                                    }
                                    IconButton {
                                        width: 27px; height: 23px; icon: FontAwesomeIcons.arrow-right-long; icon-size: 13px; icon-color: white;
                                        hover-background: #ffffff2e;
                                        pressed-background: #598cf273;
                                        clicked => { root.recent-connect(connection.remote-id); }
                                    }
                                }
                            }
                        }
                        if index < root.recent-connections.length - 1: Rectangle {
                            x: 183px;
                            y: 7px;
                            width: 1px;
                            height: 109px;
                            background: #0000007a;
                        }
                    }
                }
                }
            }
        }

        // Status bar.
        Rectangle {
            y: 426px;
            height: 24px;
            background: #fafbfc;
            Rectangle {
                y: 0px;
                height: 1px;
                background: ImGuiLineStyle.border;
            }
            if root.signal-connected && !root.signal-tls-error: OnlineStatusIndicator {
                    x: 15px - self.width / 2;
                    y: 12px - self.height / 2;
                    dot-diameter: 8px;
            }
            if !root.signal-connected || root.signal-tls-error: Rectangle {
                    x: 11px;
                    y: 8px;
                    width: 8px;
                    height: 8px;
                    border-radius: 4px;
                    background: root.signal-tls-error ? #f59e0b : #ef4444;
            }
            Text {
                    x: 28px;
                    y: 3px;
                    height: 18px;
                    text: root.signal-tls-error ? UiStrings.tls-error
                          : root.signal-connected ? UiStrings.signal-connected
                          : UiStrings.signal-disconnected;
                    color: #343941;
                    font-size: ImGuiFontStyle.base;
                    vertical-alignment: center;
            }
        }
    }

    // Match the ImGui recent-connection tooltip while keeping it outside the
    // clipped ScrollView. It is deliberately limited to the thumbnail area.
    if root.recent-tooltip-visible: Rectangle {
        x: root.recent-tooltip-x;
        y: root.recent-tooltip-y;
        width: root.recent-tooltip-width;
        height: root.recent-tooltip-height;
        background: #22252bf2;
        border-width: 1px;
        border-color: #ffffff38;
        border-radius: 5px;
        z: 50;

        VerticalLayout {
            padding: 8px;
            spacing: 2px;
            Text {
                text: UiStrings.device-name + ": " + root.recent-tooltip-name;
                color: white;
                font-size: ImGuiFontStyle.small;
                overflow: elide;
            }
            if root.recent-tooltip-host != "" && root.recent-tooltip-host != root.recent-tooltip-name: Text {
                text: root.recent-tooltip-host;
                color: #e1e4e8;
                font-size: ImGuiFontStyle.small;
                overflow: elide;
            }
            Text {
                text: UiStrings.remote-id + ": " + root.recent-tooltip-id;
                color: #e1e4e8;
                font-size: ImGuiFontStyle.small;
                overflow: elide;
            }
            Text {
                text: root.recent-tooltip-online ? UiStrings.online : UiStrings.offline;
                color: root.recent-tooltip-online ? #62d98b : #d1d5db;
                font-size: ImGuiFontStyle.small;
            }
        }
    }

    // Dismiss the title menu when clicking anywhere outside of it.
    if root.menu-open: TouchArea {
        x: 0px;
        y: 0px;
        width: parent.width;
        height: parent.height;
        z: 9;
        clicked => {
            root.menu-open = false;
            focus-sink.focus();
        }
    }

    // Title menu.
    if root.menu-open: Rectangle {
        x: menu-button.x + menu-button.width - self.width;
        y: menu-button.y + menu-button.height + 2px;
        width: max(80px, max(menu-settings-label.preferred-width,
                   max(menu-messages-label.preferred-width + (root.announcement-unread > 0 ? menu-message-badge.width + 8px : 0px),
                       menu-about-label.preferred-width + (root.update-available ? menu-update-badge.width + 8px : 0px))) + 24px);
        height: 93px;
        background: white;
        border-width: 1px;
        border-color: ImGuiLineStyle.border;
        border-radius: 5px;
        z: 10;
        TouchArea { }
        VerticalLayout {
            padding: 4px;
            spacing: 2px;
            menu-settings := Rectangle {
                height: 27px;
                background: settings-touch.pressed ? #d8dadd
                          : settings-touch.has-hover ? #f0f1f2
                                                     : white;
                border-width: 0px;
                border-radius: 3px;
                accessible-role: button;
                accessible-label: UiStrings.settings;
                accessible-action-default => { settings-touch.clicked(); }
                menu-settings-label := Text {
                    x: 7px;
                    height: parent.height;
                    text: UiStrings.settings;
                    color: #2d3138;
                    vertical-alignment: center;
                    accessible-role: none;
                }
                settings-touch := TouchArea {
                    mouse-cursor: pointer;
                    clicked => { root.menu-open = false; root.settings-open = true; }
                }
            }
            menu-messages := Rectangle {
                height: 27px;
                background: messages-touch.pressed ? #d8dadd
                          : messages-touch.has-hover ? #f0f1f2 : white;
                border-radius: 3px;
                accessible-role: button;
                accessible-label: MessageStrings.messages + (root.announcement-unread > 0 ? " · " + MessageStrings.unread + " " + root.announcement-unread : "");
                accessible-action-default => { messages-touch.clicked(); }
                menu-messages-label := Text {
                    x: 7px;
                    height: parent.height;
                    text: MessageStrings.messages;
                    color: #2d3138;
                    vertical-alignment: center;
                    accessible-role: none;
                }
                menu-message-badge := Rectangle {
                    visible: root.announcement-unread > 0;
                    x: parent.width - self.width - 7px;
                    y: (parent.height - self.height) / 2;
                    width: max(18px, menu-message-count.preferred-width + 10px);
                    height: 18px;
                    border-radius: 9px;
                    background: #fee4e2;
                    accessible-role: none;
                    menu-message-count := Text {
                        text: root.announcement-unread-label;
                        font-size: 10px; font-weight: 600; color: #b42318;
                        horizontal-alignment: center; vertical-alignment: center;
                        accessible-role: none;
                    }
                }
                messages-touch := TouchArea {
                    mouse-cursor: pointer;
                    clicked => {
                        root.menu-open = false;
                        root.messages-open = true;
                        root.refresh-announcements();
                    }
                }
            }
            menu-about := Rectangle {
                height: 27px;
                background: about-touch.pressed ? #d8dadd
                          : about-touch.has-hover ? #f0f1f2
                                                  : white;
                border-width: 0px;
                border-radius: 3px;
                accessible-role: button;
                accessible-label: UiStrings.about + (root.update-available ? " · " + UiStrings.update-available : "");
                accessible-action-default => { about-touch.clicked(); }
                menu-about-label := Text {
                    x: 7px;
                    height: parent.height;
                    text: UiStrings.about;
                    color: #2d3138;
                    vertical-alignment: center;
                    accessible-role: none;
                }
                menu-update-badge := Rectangle {
                    visible: root.update-available;
                    x: parent.width - self.width - 7px;
                    y: (parent.height - self.height) / 2;
                    width: menu-update-label.preferred-width + 12px;
                    height: 18px;
                    border-radius: 9px;
                    background: #dbeafe;
                    accessible-role: none;
                    menu-update-label := Text {
                        text: UiStrings.new-version;
                        font-size: 11px; font-weight: 400; color: #1d4ed8;
                        horizontal-alignment: center; vertical-alignment: center;
                        accessible-role: none;
                    }
                }
                about-touch := TouchArea {
                    mouse-cursor: pointer;
                    clicked => { root.menu-open = false; root.about-open = true; }
                }
            }
        }
        Rectangle {
            x: 4px;
            y: 31.5px;
            width: parent.width - 8px;
            height: 1px;
            background: ImGuiLineStyle.separator;
            z: 1;
        }
        Rectangle {
            x: 4px;
            y: 60.5px;
            width: parent.width - 8px;
            height: 1px;
            background: ImGuiLineStyle.separator;
            z: 1;
        }
    }

    if root.messages-open: Rectangle {
        background: #00000042;
        z: 40;
        TouchArea { clicked => { focus-sink.focus(); } }
        MessagePanel {
            x: (parent.width - self.width) / 2;
            y: (parent.height - self.height) / 2;
            width: 520px;
            height: 330px;
            items: root.announcements;
            unread-count: root.announcement-unread; total: root.announcement-total;
            loading: root.announcement-loading; failed: root.announcement-failed; loaded: root.announcement-loaded;
            read-save-failed: root.announcement-read-save-failed;
            delete-failed: root.announcement-delete-failed;
            connected: root.signal-connected;
            selected-id: root.announcement-selected-id; selected-title: root.announcement-selected-title;
            selected-body: root.announcement-selected-body; selected-date: root.announcement-selected-date;
            selected-read: root.announcement-selected-read;
            open-message(id, revision) => { root.open-announcement(id, revision); }
            open-link(url) => { root.open-announcement-link(url); }
            delete-message(id, revision) => { root.delete-announcement(id, revision); }
            load-more => { root.load-more-announcements(); }
            close => { root.messages-open = false; }
        }
    }

    copy-timer := Timer {
        interval: 1000ms;
        triggered => { root.copy-toast = false; }
    }
    remote-id-format-timer := Timer {
        interval: 1ms;
        triggered => {
            let formatted = root.format-remote-id(root.remote-id-input);
            root.remote-id-input = formatted;
            // IDs are ASCII-only, so character-count is also the UTF-8 offset
            // expected by set-selection-offsets().
            remote-id-editor.set-selection-offsets(
                formatted.character-count, formatted.character-count);
        }
    }
    if root.copy-toast: Rectangle {
        x: 180px; y: 170px; width: 280px; height: 68px;
        background: #fffffff2;
        border-radius: 8px;
        border-width: 1px;
        border-color: ImGuiLineStyle.border;
        z: 30;
        Text { text: UiStrings.copied; color: #333840; horizontal-alignment: center; vertical-alignment: center; }
    }

    // Reset password modal.
    if root.reset-password-open: Rectangle {
        background: #00000042;
        z: 40;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 205px : 160px;
            y: 140px;
            width: root.compact-language ? 230px : 320px;
            height: 170px;
            VerticalLayout {
                padding: 20px;
                spacing: 12px;
                DialogPromptText { prompt: UiStrings.new-password; }
                HorizontalLayout {
                    alignment: center;
                    PasswordInput {
                        text <=> root.new-password-input;
                        max-length: 6;
                    }
                }
                Text { height: root.reset-password-invalid ? 18px : 0px; visible: root.reset-password-invalid; text: UiStrings.invalid-password; color: #d92d20; font-size: ImGuiFontStyle.small; horizontal-alignment: center; }
                HorizontalLayout {
                    alignment: center; spacing: 8px;
                    PrimaryButton {
                        text: UiStrings.ok;
                        clicked => {
                            if (root.reset-password(root.new-password-input)) {
                                root.new-password-input = "";
                                root.reset-password-invalid = false;
                                root.reset-password-open = false;
                            } else { root.reset-password-invalid = true; }
                        }
                    }
                    SecondaryButton { text: UiStrings.cancel; clicked => { root.new-password-input = ""; root.reset-password-invalid = false; root.reset-password-open = false; } }
                }
            }
        }
    }

    // Recent connection alias modal.
    if root.alias-open: Rectangle {
        background: #00000042;
        z: 40;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 205px : 160px;
            y: 145px;
            width: root.compact-language ? 230px : 320px;
            height: 160px;
            VerticalLayout {
                padding: 20px; spacing: 14px;
                DialogPromptText { prompt: UiStrings.edit-alias; }
                Rectangle {
                    height: 28px;
                    background: white;
                    border-width: 1px;
                    border-color: ImGuiLineStyle.border;
                    border-radius: 4px;

                    LineEdit {
                        x: 1px;
                        y: 1.5px;
                        width: parent.width - 2px;
                        height: parent.height - 2px;
                        text <=> root.alias-input;
                        accepted => {
                            root.recent-edit-alias(root.alias-remote-id, root.alias-input);
                            root.alias-open = false;
                        }
                    }
                    LineEditFocusUnderlineMask {
                        x: 5px;
                        y: parent.height - 3px;
                        width: parent.width - 10px;
                    }
                }
                HorizontalLayout {
                    alignment: center; spacing: 8px;
                    PrimaryButton { text: UiStrings.ok; clicked => { root.recent-edit-alias(root.alias-remote-id, root.alias-input); root.alias-open = false; } }
                    SecondaryButton { text: UiStrings.cancel; clicked => { root.alias-open = false; } }
                }
            }
        }
    }

    // Delete confirmation modal.
    if root.delete-open: Rectangle {
        background: #00000042;
        z: 40;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 205px : 160px;
            y: 155px;
            width: root.compact-language ? 230px : 320px;
            height: 140px;
            VerticalLayout {
                padding: 20px; spacing: 18px;
                DialogPromptText { prompt: UiStrings.confirm-delete; }
                HorizontalLayout {
                    alignment: center; spacing: 8px;
                    PrimaryButton { text: UiStrings.ok; clicked => { root.recent-delete(root.delete-remote-id); root.delete-open = false; } }
                    SecondaryButton { text: UiStrings.cancel; clicked => { root.delete-open = false; } }
                }
            }
        }
    }

    // Offline/error warning modal.
    if root.offline-warning != "": Rectangle {
        background: #00000042;
        z: 39;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: 185px; y: 150px; width: 270px; height: 150px;
            VerticalLayout {
                padding: 20px; spacing: 18px;
                DialogPromptText { prompt: root.offline-warning; }
                PrimaryButton { text: UiStrings.ok; clicked => { root.offline-warning = ""; } }
            }
        }
    }

    // Connection progress and password retry modal from the ImGui client.
    if root.connection-dialog-open: Rectangle {
        background: #00000042;
        z: 48;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.connection-password-required ? 211px : 190px;
            y: root.connection-password-required ? 143px : 130px;
            width: root.connection-password-required ? 211px : 260px;
            height: root.connection-password-required ? 158px : 145px;

            if root.connection-password-required: Rectangle {
                Text {
                    y: 38px;
                    height: 22px;
                    text: root.connection-status-text;
                    color: #30343b;
                    horizontal-alignment: center;
                    vertical-alignment: center;
                }

                if !root.connection-validating: PasswordInput {
                    x: 71px; y: 63px;
                    text <=> root.connection-password;
                    accepted => { root.connection-submit-password(root.connection-password, root.connection-remember-password); }
                }

                if !root.connection-validating: Rectangle {
                    x: 72px; y: 89px; width: 120px; height: 21px;
                    ImGuiCheckBox {
                        x: 0px; y: 0px;
                        checked <=> root.connection-remember-password;
                    }
                    Text {
                        x: 27px; y: 0px;
                        width: parent.width - 27px; height: parent.height;
                        text: UiStrings.remember-password;
                        color: #30343b;
                        font-size: ImGuiFontStyle.body;
                        vertical-alignment: center;
                    }
                    TouchArea {
                        x: 27px; y: 0px;
                        width: parent.width - 27px; height: parent.height;
                        clicked => { root.connection-remember-password = !root.connection-remember-password; }
                    }
                }

                if !root.connection-validating: ConnectionDialogButton {
                    x: 69px; y: 118px;
                    text: UiStrings.ok;
                    clicked => { root.connection-submit-password(root.connection-password, root.connection-remember-password); }
                }
                if !root.connection-validating: ConnectionDialogButton {
                    x: 117px;
                    y: 118px;
                    text: UiStrings.cancel;
                    clicked => { root.connection-cancel(); }
                }
            }

            if !root.connection-password-required: VerticalLayout {
                padding: 20px; spacing: 13px;
                DialogPromptText { prompt: root.connection-status-text; }
                HorizontalLayout {
                    alignment: center; spacing: 8px;
                    if root.connection-pending: SecondaryButton {
                        text: UiStrings.cancel;
                        clicked => { root.connection-cancel(); }
                    }
                    if !root.connection-pending: PrimaryButton {
                        text: UiStrings.ok;
                        clicked => { root.connection-acknowledge(); }
                    }
                }
            }
        }
    }

    // macOS permission gate. On other platforms this remains hidden.
    if root.permission-dialog-open: Rectangle {
        background: transparent;
        z: 50;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 255px : 190px;
            y: 162px;
            width: root.compact-language ? 130px : 260px;
            height: 125px;
            border-radius: 7px;
            Rectangle {
                x: 0px;
                y: 0px;
                width: parent.width;
                height: 21px;
                background: #d3d3d3;
                border-radius: 7px;
                z: 5;
                Rectangle { y: parent.height - 7px; height: 7px; background: #d3d3d3; }
                Text { x: 6px; text: UiStrings.request-permissions; font-size: ImGuiFontStyle.base; font-weight: 600; color: #202124; vertical-alignment: center; }
            }
            Text { x: 10px; y: 32px; width: root.compact-language ? 110px : 240px; height: 24px; text: UiStrings.permission-required; color: #202124; font-size: 8px; wrap: word-wrap; }
            Text { x: 10px; y: 61px; width: root.compact-language ? 78px : 198px; height: 18px; text: "1. " + UiStrings.accessibility-permission + ":"; color: #202124; font-size: 8px; overflow: elide; vertical-alignment: center; }
            MiniToggleSwitch {
                x: root.compact-language ? 90px : 210px;
                y: 61px;
                checked: root.accessibility-granted;
                enabled: !root.accessibility-granted;
                toggled(value) => { if (value) { root.request-accessibility-permission(); } }
            }
            Text { x: 10px; y: 85px; width: root.compact-language ? 78px : 198px; height: 18px; text: "2. " + UiStrings.screen-recording-permission + ":"; color: #202124; font-size: 8px; overflow: elide; vertical-alignment: center; }
            MiniToggleSwitch {
                x: root.compact-language ? 90px : 210px;
                y: 85px;
                checked: root.screen-recording-granted;
                enabled: !root.screen-recording-granted;
                toggled(value) => { if (value) { root.request-screen-recording-permission(); } }
            }
        }
    }

    // Settings modal.
    if root.settings-open: Rectangle {
        background: transparent;
        z: 45;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 219px : 190px;
            y: 60px;
            width: root.compact-language ? 202px : 269px;
            height: 330px;
            border-radius: 7px;

            Rectangle {
                x: 0px;
                y: 0px;
                width: parent.width;
                height: 21px;
                background: #d3d3d3;
                border-radius: 7px;
                z: 5;
                Rectangle { y: parent.height - 7px; height: 7px; background: #d3d3d3; }
                Text { x: 6px; text: UiStrings.settings; font-size: ImGuiFontStyle.base; font-weight: 600; color: #202124; vertical-alignment: center; }
            }

            settings-scroll := ScrollView {
                x: 0px;
                y: 21px;
                width: parent.width;
                height: 265px;
                viewport-y <=> root.settings-scroll-y;

                settings-content := VerticalLayout {
                    // Reserve space for the overlaid vertical scrollbar.
                    width: settings-scroll.width;
                    padding-top: 8px;
                    padding-bottom: 8px;
                    spacing: 0px;

                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 94px : 162px; height: 24px; text: UiStrings.language; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        CompactComboBox { x: root.compact-language ? 106px : 174px; y: 2px; model: ["中文", "English", "Русский"]; current-index <=> root.language-index; }
                    }
                    if root.capture-method-visible: Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 94px : 162px; height: 24px; text: UiStrings.capture-method; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        CompactComboBox { x: root.compact-language ? 106px : 174px; y: 2px; enabled: !root.settings-session-active; model: [UiStrings.capture-method-auto, "DXGI", "WGC", "GDI"]; current-index <=> root.capture-method-index; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 94px : 162px; height: 24px; text: UiStrings.codec; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        CompactComboBox { x: root.compact-language ? 106px : 174px; y: 2px; enabled: !root.settings-session-active; model: [UiStrings.codec-h264, UiStrings.codec-av1]; current-index <=> root.codec-index; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.hardware-codec; color: root.hardware-codec-available ? #202124 : #8b8f95; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.hardware-codec-enabled; enabled: root.hardware-codec-available && !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.turn-relay; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.turn-enabled; enabled: !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.force-relay; color: root.turn-enabled ? #202124 : #8b8f95; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.force-relay-enabled; enabled: root.turn-enabled && !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.save-remote-previews; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.save-remote-previews; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.privacy-on-connect; color: root.privacy-setting-available ? #202124 : #8b8f95; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.privacy-on-connect-enabled; enabled: root.privacy-setting-available; }
                    }
                    Rectangle {
                        height: 30px;
                        CompactButton { x: 8px; y: 3px; width: root.compact-language ? 70px : 206px; text: UiStrings.self-hosted; enabled: !root.settings-session-active; clicked => { root.self-host-settings-open = true; } }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.self-hosted-enabled; enabled: !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.autostart; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.autostart-enabled; enabled: !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 145px : 212px; height: 24px; text: UiStrings.daemon; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        ImGuiCheckBox { x: root.compact-language ? 157px : 224px; y: 3px; checked <=> root.daemon-enabled; enabled: !root.settings-session-active; }
                    }
                    Rectangle {
                        height: 30px;
                        Text { x: 8px; y: 3px; width: root.compact-language ? 94px : 154px; height: 24px; text: UiStrings.file-save-path; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
                        CompactButton { x: root.compact-language ? 106px : 166px; y: 3px; width: root.compact-language ? 73px : 80px; text: root.file-save-path == "" ? UiStrings.default-desktop : root.file-save-path; enabled: !root.settings-session-active; clicked => { root.browse-save-path(); } }
                    }
                }
            }

            Rectangle { x: 7px; y: 286px; width: parent.width - 14px; height: 1px; background: ImGuiLineStyle.separator; }
            CompactButton { x: root.compact-language ? 63px : 89px; y: 297px; primary: true; text: UiStrings.ok; clicked => { if root.save-settings() { root.settings-open = false; root.self-host-settings-open = false; } } }
            CompactButton { x: root.compact-language ? 104px : 130px; y: 297px; width: root.compact-language ? 34px : 56px; text: UiStrings.cancel; clicked => { root.cancel-settings(); root.settings-open = false; root.self-host-settings-open = false; } }
        }
    }

    if root.self-host-settings-open: Rectangle {
        background: transparent;
        z: 49;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: root.compact-language ? 190px : 140px;
            y: 105px;
            width: root.compact-language ? 260px : 360px;
            height: root.self-host-settings-error == "" ? 138px : 202px;
            border-radius: 7px;

            Rectangle {
                x: 0px;
                y: 0px;
                width: parent.width;
                height: 21px;
                background: #d3d3d3;
                border-radius: 7px;
                z: 5;
                Rectangle { y: parent.height - 7px; height: 7px; background: #d3d3d3; }
                Text { x: 6px; text: UiStrings.self-hosted-settings; font-size: ImGuiFontStyle.base; font-weight: 600; color: #202124; vertical-alignment: center; }
            }
            Text { x: 8px; y: 31px; width: root.compact-language ? 88px : 165px; height: 24px; text: UiStrings.server-host; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
            Rectangle {
                x: root.compact-language ? 100px : 173px;
                y: 30px;
                width: root.compact-language ? 152px : 179px;
                height: 24px;
                background: white;
                border-width: 1px;
                border-color: ImGuiLineStyle.border;
                border-radius: 4px;
                LineEdit { x: 1px; y: 1.5px; width: parent.width - 2px; height: parent.height - 2px; text <=> root.server-host; input-type: InputType.text; font-size: ImGuiFontStyle.body; }
                LineEditFocusUnderlineMask { x: 5px; y: parent.height - 3px; width: parent.width - 10px; }
            }
            Text { x: 8px; y: 61px; width: root.compact-language ? 88px : 165px; height: 24px; text: UiStrings.server-port; font-size: ImGuiFontStyle.body; overflow: elide; vertical-alignment: center; }
            Rectangle {
                x: root.compact-language ? 100px : 173px;
                y: 60px;
                width: root.compact-language ? 152px : 179px;
                height: 24px;
                background: white;
                border-width: 1px;
                border-color: ImGuiLineStyle.border;
                border-radius: 4px;
                LineEdit { x: 1px; y: 1.5px; width: parent.width - 2px; height: parent.height - 2px; text <=> root.server-port; input-type: InputType.number; font-size: ImGuiFontStyle.body; }
                LineEditFocusUnderlineMask { x: 5px; y: parent.height - 3px; width: parent.width - 10px; }
            }
            if root.self-host-settings-error != "": Text {
                x: 8px; y: 89px; width: parent.width - 16px; height: 64px;
                text: root.self-host-settings-error; color: #b3261e;
                font-size: ImGuiFontStyle.body; wrap: word-wrap;
            }
            CompactButton { x: root.compact-language ? 93px : 135px; y: parent.height - 38px; primary: true; text: UiStrings.ok; clicked => { if root.save-self-hosted-settings() { root.self-host-settings-open = false; } } }
            CompactButton { x: root.compact-language ? 134px : 176px; y: parent.height - 38px; width: root.compact-language ? 34px : 56px; text: UiStrings.cancel; clicked => { root.cancel-self-hosted-settings(); root.self-host-settings-open = false; } }
        }
    }

    // About modal.
    if root.about-open: Rectangle {
        background: transparent;
        z: 46;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: (root.width - self.width) / 2;
            y: (root.height - self.height) / 2;
            width: 320px;
            height: max(216px, about-content.preferred-height);
            border-radius: 7px;

            Rectangle {
                x: 0px;
                y: 0px;
                width: parent.width;
                height: 21px;
                background: #d3d3d3;
                border-radius: 7px;
                z: 5;
                Rectangle { y: parent.height - 7px; height: 7px; background: #d3d3d3; }
                Text { x: 6px; text: UiStrings.about; font-size: ImGuiFontStyle.base; font-weight: 600; color: #202124; vertical-alignment: center; }
            }
            // Grow for update actions and wrapped translations while keeping
            // the footer below the version and check result.
            about-content := VerticalLayout {
                padding: 16px;
                padding-top: 35px;
                spacing: 12px;
                alignment: space-between;

                VerticalLayout {
                    vertical-stretch: 0;
                    spacing: 4px;
                    Text {
                        text: "CrossDesk " + root.current-version;
                        color: #202124;
                        font-size: ImGuiFontStyle.base;
                        font-weight: 600;
                        min-height: 18px;
                        overflow: elide;
                    }
                    if root.update-available: Rectangle {
                        height: max(18px, version-link.preferred-height);
                        accessible-role: button;
                        accessible-label: UiStrings.release-notes + " " + root.latest-version;
                        accessible-action-default => { version-touch.clicked(); }
                        version-link := Text {
                            x: 0px;
                            y: 0px;
                            width: parent.width;
                            height: parent.height;
                            text: UiStrings.update-available + ": " + root.latest-version;
                            color: version-touch.has-hover ? #174ea6 : #334fd1;
                            font-size: ImGuiFontStyle.body;
                            vertical-alignment: center;
                            horizontal-alignment: left;
                            wrap: word-wrap;
                        }
                        version-touch := TouchArea {
                            mouse-cursor: pointer;
                            clicked => { root.about-open = false; root.update-open = true; }
                        }
                    }
                    if root.update-available: HorizontalLayout {
                        alignment: start;
                        padding-top: 4px;
                        CompactButton {
                            width: max(76px, release-notes-button-metrics.preferred-width + 20px);
                            text: UiStrings.view-release-notes;
                            accessible-role: button;
                            accessible-label: self.text;
                            accessible-action-default => { self.clicked(); }
                            clicked => { root.about-open = false; root.update-open = true; }
                            release-notes-button-metrics := Text { visible: false; text: UiStrings.view-release-notes; font-size: ImGuiFontStyle.body; }
                        }
                    }
                    if root.update-status-text != "": Text {
                        text: root.update-status-text;
                        color: root.update-check-status == UpdateCheckStatus.failed ? #b3261e : #61656c;
                        font-size: ImGuiFontStyle.body;
                        min-height: 18px;
                        wrap: word-wrap;
                    }
                }

                VerticalLayout {
                    vertical-stretch: 0;
                    spacing: 3px;
                    Rectangle { height: 1px; background: #e6e8eb; }
                    Text { height: 16px; text: UiStrings.copyright; color: #61656c; font-size: ImGuiFontStyle.body; vertical-alignment: center; }
                    Text { height: 16px; text: UiStrings.license; color: #61656c; font-size: ImGuiFontStyle.body; vertical-alignment: center; }
                }

                HorizontalLayout {
                    vertical-stretch: 0;
                    alignment: end;
                    spacing: 8px;
                    CompactButton {
                        width: max(76px, check-button-metrics.preferred-width + 20px);
                        text: UiStrings.check-for-updates;
                        enabled: root.update-check-status != UpdateCheckStatus.checking;
                        accessible-role: button;
                        accessible-label: self.text;
                        accessible-action-default => { if self.enabled { root.check-for-updates(); } }
                        clicked => { root.check-for-updates(); }
                        check-button-metrics := Text { visible: false; text: UiStrings.check-for-updates; font-size: ImGuiFontStyle.body; }
                    }
                    CompactButton { width: 48px; primary: true; text: UiStrings.ok; clicked => { root.about-open = false; } }
                }
            }
        }
    }

    // Update notification modal.
    if root.update-open && root.update-available: Rectangle {
        background: transparent;
        z: 47;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: 120px;
            y: 52px;
            width: 400px;
            height: 346px;
            border-radius: 7px;
            Text { x: 30px; y: 22px; width: 320px; height: 24px; text: UiStrings.update-available + ": " + root.latest-version; color: #202124; font-size: ImGuiFontStyle.prominent; vertical-alignment: center; }
            Rectangle {
                x: 30px;
                y: 47px;
                width: 320px;
                height: 22px;
                Text {
                    x: 0px;
                    width: parent.width;
                    height: parent.height;
                    text: UiStrings.access-website + "https://crossdesk.cn";
                    color: website-touch.has-hover ? #174ea6 : #334fd1;
                    font-size: ImGuiFontStyle.body;
                    horizontal-alignment: left;
                    vertical-alignment: center;
                }
                website-touch := TouchArea { mouse-cursor: pointer; clicked => { root.open-download(); } }
            }
            Text {
                x: 30px;
                y: 75px;
                width: 320px;
                height: 20px;
                text: UiStrings.release-notes;
                color: #202124;
                font-size: 12px;
                vertical-alignment: center;
            }
            Rectangle {
                x: 30px;
                y: 105px;
                width: 360px;
                height: 190px;
                background: white;
                border-width: 1px;
                border-color: #b9bdc3;
                ScrollView {
                    x: 1px;
                    y: 1px;
                    width: parent.width - 2px;
                    height: parent.height - 2px;
                    VerticalLayout {
                        width: 340px;
                        padding-left: 8px;
                        padding-right: 8px;
                        padding-top: 8px;
                        padding-bottom: 8px;
                        spacing: 7px;
                        VerticalLayout {
                            width: 312px;
                            spacing: 10px;
                            for block in root.release-note-blocks: VerticalLayout {
                                padding-top: block.section-gap ? 10px : 0px;
                                StyledText { width: 312px; text: block.content; default-color: #202124; default-font-size: ImGuiFontStyle.body; }
                            }
                        }
                    }
                }
            }
            CompactButton { x: root.compact-language ? 163px : 130px; y: 309px; width: root.compact-language ? 34px : 70px; primary: true; text: UiStrings.download; clicked => { root.open-download(); root.update-open = false; } }
            CompactButton { x: root.compact-language ? 204px : 207px; y: 309px; width: root.compact-language ? 34px : 56px; text: UiStrings.later; clicked => { root.update-open = false; } }
        }
    }

    // Linux Wayland sessions show this advisory once per application launch.
    if root.wayland-notice-open: Rectangle {
        background: #14233b66;
        z: 50;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: (parent.width - self.width) / 2;
            y: (parent.height - self.height) / 2;
            width: 512px;
            height: wayland-notice-content.preferred-height;
            border-radius: 14px;
            border-color: #dce3ee;
            drop-shadow-color: #07142b30;
            drop-shadow-blur: 28px;
            drop-shadow-offset-y: 10px;

            wayland-notice-content := VerticalLayout {
                padding: 24px; spacing: 18px;
                VerticalLayout {
                    spacing: 7px;
                    Text {
                        text: UiStrings.wayland-notice-title;
                        color: #1c2b43;
                        font-size: 20px;
                        font-weight: 700;
                        wrap: word-wrap;
                    }
                    Text {
                        text: UiStrings.wayland-notice-subtitle;
                        color: #68758a;
                        font-size: ImGuiFontStyle.base;
                        wrap: word-wrap;
                    }
                }

                Rectangle {
                    background: #fff8eb;
                    border-color: #f0dfba;
                    border-width: 1px;
                    border-radius: 9px;
                    VerticalLayout {
                        padding: 14px; spacing: 8px;
                        Text {
                            text: UiStrings.wayland-permission-title;
                            color: #805719;
                            font-size: 13px;
                            font-weight: 600;
                            wrap: word-wrap;
                        }
                        Text {
                            text: UiStrings.wayland-notice-message;
                            color: #6c5a3d;
                            font-size: ImGuiFontStyle.base;
                            wrap: word-wrap;
                        }
                    }
                }

                Rectangle {
                    background: #f3f7fd;
                    border-color: #dfe8f5;
                    border-width: 1px;
                    border-radius: 9px;
                    VerticalLayout {
                        padding: 14px; spacing: 8px;
                        Text {
                            text: UiStrings.wayland-recommendation-title;
                            color: #244c87;
                            font-size: 13px;
                            font-weight: 600;
                            wrap: word-wrap;
                        }
                        Text {
                            text: UiStrings.wayland-recommendation-message;
                            color: #59677c;
                            font-size: ImGuiFontStyle.base;
                            wrap: word-wrap;
                        }
                    }
                }

                Rectangle { height: 1px; background: #e9edf3; }
                HorizontalLayout {
                    height: 34px; alignment: end;
                    PrimaryButton {
                        width: 104px; height: 34px;
                        border-radius: 7px;
                        text-size: ImGuiFontStyle.base;
                        text: UiStrings.wayland-notice-acknowledge;
                        accessible-role: button;
                        accessible-label: UiStrings.wayland-notice-acknowledge;
                        accessible-action-default => { root.wayland-notice-open = false; }
                        clicked => { root.wayland-notice-open = false; }
                    }
                }
            }
        }
    }

    // Portable Windows builds prompt for the optional lock-screen service.
    if root.portable-service-dialog-open: Rectangle {
        background: #00000052;
        z: 50;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: 80px; y: 75px; width: 480px; height: 300px;
            VerticalLayout {
                padding: 24px; spacing: 14px;
                DialogPromptText {
                    prompt: UiStrings.service-setup-title;
                    text-color: #242832;
                    text-size: ImGuiFontStyle.prominent;
                    text-weight: 600;
                }
                Rectangle {
                    background: #f7f8fa; border-color: #d9dde4; border-width: 1px; border-radius: 6px;
                    Text { x: 14px; y: 22px; width: parent.width - 28px; height: parent.height - 24px; text: UiStrings.service-setup-message; color: #3d434d; wrap: word-wrap; vertical-alignment: center; }
                }
                if root.portable-service-status != "": Text {
                    text: root.portable-service-status;
                    color: root.portable-service-succeeded ? #25874b : root.portable-service-installing ? #68707d : #b23b3b;
                    horizontal-alignment: center;
                    wrap: word-wrap;
                }
                if !root.portable-service-succeeded: HorizontalLayout {
                    height: 26px; alignment: center; spacing: 8px;
                    Text { text: UiStrings.do-not-remind; vertical-alignment: center; color: #4a505a; }
                    ToggleSwitch { checked <=> root.portable-service-do-not-remind; enabled: !root.portable-service-installing; }
                }
                HorizontalLayout {
                    height: 34px; alignment: center; spacing: 8px;
                    if root.portable-service-succeeded: PrimaryButton { text: UiStrings.ok; clicked => { root.acknowledge-portable-service(); } }
                    if !root.portable-service-succeeded: PrimaryButton {
                        text: UiStrings.install-service;
                        enabled: !root.portable-service-installing;
                        clicked => { root.install-portable-service(); }
                    }
                    if !root.portable-service-succeeded: SecondaryButton {
                        text: UiStrings.cancel;
                        enabled: !root.portable-service-installing;
                        clicked => { root.cancel-portable-service(); }
                    }
                }
            }
        }
    }

    if root.portable-service-suppressed-notice-open: Rectangle {
        background: #00000052;
        z: 51;
        TouchArea { clicked => { focus-sink.focus(); } }
        DialogSurface {
            x: 100px; y: 130px; width: 440px; height: 190px;
            VerticalLayout {
                padding: 24px; spacing: 16px;
                DialogPromptText {
                    prompt: UiStrings.notification;
                    text-color: #242832;
                    text-size: ImGuiFontStyle.prominent;
                    text-weight: 600;
                }
                DialogPromptText {
                    prompt: UiStrings.service-suppressed-message;
                    text-color: #3d434d;
                }
                PrimaryButton { text: UiStrings.ok; clicked => { root.acknowledge-portable-service-suppressed(); } }
            }
        }
    }
    }

    if root.custom-titlebar: Rectangle {
        x: 0px;
        y: 0px;
        width: root.width;
        height: root.height;
        background: transparent;
        border-width: 1px;
        border-color: root.wayland-titlebar ? #aaa8a6 : #8b8b8b;
        border-radius:
            root.wayland-titlebar ? root.wayland-corner-radius : 0px;
        z: 200;
    }
    }
}