diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..2b5f4d8
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,28 @@
+.git
+.github
+.gitignore
+__pycache__/
+*.py[cod]
+*.pyo
+*.egg-info/
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.venv/
+venv/
+dist/
+build/
+packaging/
+windows.py
+icon.ico
+*.spec
+*.spec.bak
+*.manifest
+*.log
+.vscode/
+.idea/
+*.swp
+*.swo
+.DS_Store
+Thumbs.db
+Desktop.ini
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..dae44d2
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,45 @@
+# syntax=docker/dockerfile:1.7
+
+FROM python:3.12-slim AS builder
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PIP_NO_CACHE_DIR=1 \
+    VIRTUAL_ENV=/opt/venv
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends build-essential cargo libffi-dev libssl-dev \
+    && python -m venv "$VIRTUAL_ENV" \
+    && "$VIRTUAL_ENV/bin/pip" install --upgrade pip setuptools wheel \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+RUN "$VIRTUAL_ENV/bin/pip" install cryptography==46.0.5
+
+FROM python:3.12-slim AS runtime
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PATH=/opt/venv/bin:$PATH \
+    TG_WS_PROXY_HOST=0.0.0.0 \
+    TG_WS_PROXY_PORT=1080 \
+    TG_WS_PROXY_DC_IPS="2:149.154.167.220 4:149.154.167.220"
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends tini ca-certificates \
+    && rm -rf /var/lib/apt/lists/* \
+    && groupadd --system app \
+    && useradd --system --gid app --create-home --home-dir /home/app app
+
+WORKDIR /app
+COPY --from=builder /opt/venv /opt/venv
+COPY proxy ./proxy
+COPY README.md LICENSE ./
+
+USER app
+
+EXPOSE 1080/tcp
+
+ENTRYPOINT ["/usr/bin/tini", "--", "/bin/sh", "-lc", "set -eu; args=\"--host ${TG_WS_PROXY_HOST} --port ${TG_WS_PROXY_PORT}\"; for dc in ${TG_WS_PROXY_DC_IPS}; do args=\"$args --dc-ip $dc\"; done; exec python -u proxy/tg_ws_proxy.py $args \"$@\"", "--"]
+CMD []
diff --git a/README.md b/README.md
index 28ee81c..fa687a1 100644
--- a/README.md
+++ b/README.md
@@ -40,10 +40,12 @@ Telegram Desktop → SOCKS5 (127.0.0.1:1080) → TG WS Proxy → WSS → Telegra
 
 - **Открыть в Telegram** — автоматически настроить прокси через `tg://socks` ссылку
 - **Перезапустить прокси** — перезапуск без выхода из приложения
-- **Настройки...** — GUI-редактор конфигурации
+- **Настройки...** — GUI-редактор конфигурации (в т.ч. версия приложения, опциональная проверка обновлений с GitHub)
 - **Открыть логи** — открыть файл логов
 - **Выход** — остановить прокси и закрыть приложение
 
+При первом запуске после старта может появиться запрос об открытии страницы релиза, если на GitHub вышла новая версия (отключается в настройках).
+
 ### macOS
 
 Перейдите на [страницу релизов](https://github.com/Flowseal/tg-ws-proxy/releases) и скачайте **`TgWsProxy_macos_universal.dmg`** — универсальная сборка для Apple Silicon и Intel.
@@ -254,15 +256,22 @@ Tray-приложение хранит данные в:
 
 ```json
 {
+  "host": "127.0.0.1",
   "port": 1080,
   "dc_ip": [
     "2:149.154.167.220",
     "4:149.154.167.220"
   ],
-  "verbose": false
+  "verbose": false,
+  "buf_kb": 256,
+  "pool_size": 4,
+  "log_max_mb": 5.0,
+  "check_updates": true
 }
 ```
 
+Ключ **`check_updates`** — при `true` при запросе к GitHub сравнивается версия с последним релизом (только уведомление и ссылка на страницу загрузки). На Windows в конфиге может быть **`autostart`** (автозапуск при входе в систему).
+
 ## Автоматическая сборка
 
 Проект содержит спецификации PyInstaller ([`packaging/windows.spec`](packaging/windows.spec), [`packaging/macos.spec`](packaging/macos.spec), [`packaging/linux.spec`](packaging/linux.spec)) и GitHub Actions workflow ([`.github/workflows/build.yml`](.github/workflows/build.yml)) для автоматической сборки.
diff --git a/icon.ico b/icon.ico
index 86c4b19..8aacb76 100644
Binary files a/icon.ico and b/icon.ico differ
diff --git a/linux.py b/linux.py
index 9ca90ca..e6f221c 100644
--- a/linux.py
+++ b/linux.py
@@ -7,6 +7,7 @@ import os
 import subprocess
 import sys
 import threading
+import webbrowser
 import time
 from pathlib import Path
 from typing import Optional
@@ -19,6 +20,23 @@ from PIL import Image, ImageDraw, ImageFont
 
 import proxy.tg_ws_proxy as tg_ws_proxy
 from proxy.app_runtime import ProxyAppRuntime
+from proxy import __version__
+from utils.default_config import default_tray_config
+from ui.ctk_tray_ui import (
+    install_tray_config_buttons,
+    install_tray_config_form,
+    populate_first_run_window,
+    tray_settings_scroll_and_footer,
+    validate_config_form,
+)
+from ui.ctk_theme import (
+    CONFIG_DIALOG_FRAME_PAD,
+    CONFIG_DIALOG_SIZE,
+    FIRST_RUN_SIZE,
+    create_ctk_root,
+    ctk_theme_for_platform,
+    main_content_frame,
+)
 
 APP_NAME = "TgWsProxy"
 APP_DIR = Path(os.environ.get("XDG_CONFIG_HOME", Path.home() / ".config")) / APP_NAME
@@ -28,15 +46,7 @@ FIRST_RUN_MARKER = APP_DIR / ".first_run_done"
 IPV6_WARN_MARKER = APP_DIR / ".ipv6_warned"
 
 
-DEFAULT_CONFIG = {
-    "port": 1080,
-    "host": "127.0.0.1",
-    "dc_ip": ["2:149.154.167.220", "4:149.154.167.220"],
-    "verbose": False,
-    "log_max_mb": 5,
-    "buf_kb": 256,
-    "pool_size": 4,
-}
+DEFAULT_CONFIG = default_tray_config()
 
 
 _tray_icon: Optional[object] = None
@@ -225,9 +235,52 @@ def _show_info(text: str, title: str = "TG WS Proxy"):
     root.destroy()
 
 
+def _ask_yes_no_dialog(text: str, title: str = "TG WS Proxy") -> bool:
+    import tkinter as _tk
+    from tkinter import messagebox as _mb
+
+    root = _tk.Tk()
+    root.withdraw()
+    try:
+        root.attributes("-topmost", True)
+    except Exception:
+        pass
+    r = _mb.askyesno(title, text, parent=root)
+    root.destroy()
+    return bool(r)
+
+
+def _maybe_notify_update_async():
+    def _work():
+        time.sleep(1.5)
+        if _exiting:
+            return
+        if not _config.get("check_updates", True):
+            return
+        try:
+            from utils.update_check import RELEASES_PAGE_URL, get_status, run_check
+            run_check(__version__)
+            st = get_status()
+            if not st.get("has_update"):
+                return
+            url = (st.get("html_url") or "").strip() or RELEASES_PAGE_URL
+            ver = st.get("latest") or "?"
+            text = (
+                f"Доступна новая версия: {ver}\n\n"
+                f"Открыть страницу релиза в браузере?"
+            )
+            if _ask_yes_no_dialog(text, "TG WS Proxy — обновление"):
+                webbrowser.open(url)
+        except Exception as exc:
+            log.debug("Update check failed: %s", exc)
+
+    threading.Thread(target=_work, daemon=True, name="update-check").start()
+
+
 def _on_open_in_telegram(icon=None, item=None):
+    host = _config.get("host", DEFAULT_CONFIG["host"])
     port = _config.get("port", DEFAULT_CONFIG["port"])
-    url = f"tg://socks?server=127.0.0.1&port={port}"
+    url = f"tg://socks?server={host}&port={port}"
     log.info("Copying %s", url)
 
     try:
@@ -256,192 +309,36 @@ def _edit_config_dialog():
 
     cfg = dict(_config)
 
-    ctk.set_appearance_mode("light")
-    ctk.set_default_color_theme("blue")
+    theme = ctk_theme_for_platform()
+    w, h = CONFIG_DIALOG_SIZE
 
-    root = ctk.CTk()
-    root.title("TG WS Proxy — Настройки")
-    root.resizable(False, False)
-    root.attributes("-topmost", True)
-
-    icon_img = _load_icon()
-    if icon_img:
-        from PIL import ImageTk
-
-        _photo = ImageTk.PhotoImage(icon_img.resize((64, 64)))
-        root.iconphoto(False, _photo)
-
-    TG_BLUE = "#3390ec"
-    TG_BLUE_HOVER = "#2b7cd4"
-    BG = "#ffffff"
-    FIELD_BG = "#f0f2f5"
-    FIELD_BORDER = "#d6d9dc"
-    TEXT_PRIMARY = "#000000"
-    TEXT_SECONDARY = "#707579"
-    FONT_FAMILY = "Sans"
-
-    w, h = 420, 540
-    sw = root.winfo_screenwidth()
-    sh = root.winfo_screenheight()
-    root.geometry(f"{w}x{h}+{(sw - w) // 2}+{(sh - h) // 2}")
-    root.configure(fg_color=BG)
-
-    frame = ctk.CTkFrame(root, fg_color=BG, corner_radius=0)
-    frame.pack(fill="both", expand=True, padx=24, pady=20)
-
-    # Host
-    ctk.CTkLabel(
-        frame,
-        text="IP-адрес прокси",
-        font=(FONT_FAMILY, 13),
-        text_color=TEXT_PRIMARY,
-        anchor="w",
-    ).pack(anchor="w", pady=(0, 4))
-    host_var = ctk.StringVar(value=cfg.get("host", "127.0.0.1"))
-    host_entry = ctk.CTkEntry(
-        frame,
-        textvariable=host_var,
-        width=200,
-        height=36,
-        font=(FONT_FAMILY, 13),
-        corner_radius=10,
-        fg_color=FIELD_BG,
-        border_color=FIELD_BORDER,
-        border_width=1,
-        text_color=TEXT_PRIMARY,
+    root = create_ctk_root(
+        ctk,
+        title="TG WS Proxy — Настройки",
+        width=w,
+        height=h,
+        theme=theme,
+        after_create=_apply_linux_ctk_window_icon,
     )
-    host_entry.pack(anchor="w", pady=(0, 12))
 
-    # Port
-    ctk.CTkLabel(
-        frame,
-        text="Порт прокси",
-        font=(FONT_FAMILY, 13),
-        text_color=TEXT_PRIMARY,
-        anchor="w",
-    ).pack(anchor="w", pady=(0, 4))
-    port_var = ctk.StringVar(value=str(cfg.get("port", 1080)))
-    port_entry = ctk.CTkEntry(
-        frame,
-        textvariable=port_var,
-        width=120,
-        height=36,
-        font=(FONT_FAMILY, 13),
-        corner_radius=10,
-        fg_color=FIELD_BG,
-        border_color=FIELD_BORDER,
-        border_width=1,
-        text_color=TEXT_PRIMARY,
+    fpx, fpy = CONFIG_DIALOG_FRAME_PAD
+    frame = main_content_frame(ctk, root, theme, padx=fpx, pady=fpy)
+
+    scroll, footer = tray_settings_scroll_and_footer(ctk, frame, theme)
+
+    widgets = install_tray_config_form(
+        ctk, scroll, theme, cfg, DEFAULT_CONFIG,
+        show_autostart=False,
     )
-    port_entry.pack(anchor="w", pady=(0, 12))
-
-    # DC-IP mappings
-    ctk.CTkLabel(
-        frame,
-        text="DC → IP маппинги (по одному на строку, формат DC:IP)",
-        font=(FONT_FAMILY, 13),
-        text_color=TEXT_PRIMARY,
-        anchor="w",
-    ).pack(anchor="w", pady=(0, 4))
-    dc_textbox = ctk.CTkTextbox(
-        frame,
-        width=370,
-        height=120,
-        font=("Monospace", 12),
-        corner_radius=10,
-        fg_color=FIELD_BG,
-        border_color=FIELD_BORDER,
-        border_width=1,
-        text_color=TEXT_PRIMARY,
-    )
-    dc_textbox.pack(anchor="w", pady=(0, 12))
-    dc_textbox.insert("1.0", "\n".join(cfg.get("dc_ip", DEFAULT_CONFIG["dc_ip"])))
-
-    # Verbose
-    verbose_var = ctk.BooleanVar(value=cfg.get("verbose", False))
-    ctk.CTkCheckBox(
-        frame,
-        text="Подробное логирование (verbose)",
-        variable=verbose_var,
-        font=(FONT_FAMILY, 13),
-        text_color=TEXT_PRIMARY,
-        fg_color=TG_BLUE,
-        hover_color=TG_BLUE_HOVER,
-        corner_radius=6,
-        border_width=2,
-        border_color=FIELD_BORDER,
-    ).pack(anchor="w", pady=(0, 8))
-
-    # Advanced: buf_kb, pool_size, log_max_mb
-    adv_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    adv_frame.pack(anchor="w", fill="x", pady=(4, 8))
-
-    for col, (lbl, key, w_) in enumerate([
-        ("Буфер (KB, 256 default)", "buf_kb", 120),
-        ("WS пулов (4 default)", "pool_size", 120),
-        ("Log size (MB, 5 def)", "log_max_mb", 120),
-    ]):
-        col_frame = ctk.CTkFrame(adv_frame, fg_color="transparent")
-        col_frame.pack(side="left", padx=(0, 10))
-        ctk.CTkLabel(col_frame, text=lbl, font=(FONT_FAMILY, 11),
-                     text_color=TEXT_SECONDARY, anchor="w").pack(anchor="w")
-        ctk.CTkEntry(col_frame, width=w_, height=30, font=(FONT_FAMILY, 12),
-                     corner_radius=8, fg_color=FIELD_BG,
-                     border_color=FIELD_BORDER, border_width=1,
-                     text_color=TEXT_PRIMARY,
-                     textvariable=ctk.StringVar(
-                         value=str(cfg.get(key, DEFAULT_CONFIG[key]))
-                     )).pack(anchor="w")
-
-    _adv_entries = list(adv_frame.winfo_children())
-    _adv_keys = ["buf_kb", "pool_size", "log_max_mb"]
 
     def on_save():
-        import socket as _sock
-
-        host_val = host_var.get().strip()
-        try:
-            _sock.inet_aton(host_val)
-        except OSError:
-            _show_error("Некорректный IP-адрес.")
+        merged = validate_config_form(
+            widgets, DEFAULT_CONFIG, include_autostart=False)
+        if isinstance(merged, str):
+            _show_error(merged)
             return
 
-        try:
-            port_val = int(port_var.get().strip())
-            if not (1 <= port_val <= 65535):
-                raise ValueError
-        except ValueError:
-            _show_error("Порт должен быть числом 1-65535")
-            return
-
-        lines = [
-            l.strip()
-            for l in dc_textbox.get("1.0", "end").strip().splitlines()
-            if l.strip()
-        ]
-        try:
-            tg_ws_proxy.parse_dc_ip_list(lines)
-        except ValueError as e:
-            _show_error(str(e))
-            return
-
-        new_cfg = {
-            "host": host_val,
-            "port": port_val,
-            "dc_ip": lines,
-            "verbose": verbose_var.get(),
-        }
-
-        for i, key in enumerate(_adv_keys):
-            col_frame = _adv_entries[i]
-            entry = col_frame.winfo_children()[1]
-            try:
-                val = float(entry.get().strip())
-                if key in ("buf_kb", "pool_size"):
-                    val = int(val)
-                new_cfg[key] = val
-            except ValueError:
-                new_cfg[key] = DEFAULT_CONFIG[key]
+        new_cfg = merged
         save_config(new_cfg)
         _config.update(new_cfg)
         log.info("Config saved: %s", new_cfg)
@@ -463,21 +360,18 @@ def _edit_config_dialog():
     def on_cancel():
         root.destroy()
 
-    btn_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    btn_frame.pack(fill="x", pady=(20, 0))
-    ctk.CTkButton(btn_frame, text="Сохранить", height=38,
-                  font=(FONT_FAMILY, 14, "bold"), corner_radius=10,
-                  fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                  text_color="#ffffff",
-                  command=on_save).pack(side="left", fill="x", expand=True, padx=(0, 8))
-    ctk.CTkButton(btn_frame, text="Отмена", height=38,
-                  font=(FONT_FAMILY, 14), corner_radius=10,
-                  fg_color=FIELD_BG, hover_color=FIELD_BORDER,
-                  text_color=TEXT_PRIMARY, border_width=1,
-                  border_color=FIELD_BORDER,
-                  command=on_cancel).pack(side="right", fill="x", expand=True)
+    install_tray_config_buttons(
+        ctk, footer, theme, on_save=on_save, on_cancel=on_cancel)
 
-    root.mainloop()
+    try:
+        root.mainloop()
+    finally:
+        import tkinter as tk
+        try:
+            if root.winfo_exists():
+                root.destroy()
+        except tk.TclError:
+            pass
 
 
 def _on_open_logs(icon=None, item=None):
@@ -525,128 +419,41 @@ def _show_first_run():
 
     host = _config.get("host", DEFAULT_CONFIG["host"])
     port = _config.get("port", DEFAULT_CONFIG["port"])
-    tg_url = f"tg://socks?server={host}&port={port}"
 
     if ctk is None:
         FIRST_RUN_MARKER.touch()
         return
 
-    ctk.set_appearance_mode("light")
-    ctk.set_default_color_theme("blue")
+    theme = ctk_theme_for_platform()
+    w, h = FIRST_RUN_SIZE
 
-    TG_BLUE = "#3390ec"
-    TG_BLUE_HOVER = "#2b7cd4"
-    BG = "#ffffff"
-    FIELD_BG = "#f0f2f5"
-    FIELD_BORDER = "#d6d9dc"
-    TEXT_PRIMARY = "#000000"
-    TEXT_SECONDARY = "#707579"
-    FONT_FAMILY = "Sans"
-
-    root = ctk.CTk()
-    root.title("TG WS Proxy")
-    root.resizable(False, False)
-    root.attributes("-topmost", True)
-
-    icon_img = _load_icon()
-    if icon_img:
-        from PIL import ImageTk
-
-        _photo = ImageTk.PhotoImage(icon_img.resize((64, 64)))
-        root.iconphoto(False, _photo)
-
-    w, h = 520, 440
-    sw = root.winfo_screenwidth()
-    sh = root.winfo_screenheight()
-    root.geometry(f"{w}x{h}+{(sw - w) // 2}+{(sh - h) // 2}")
-    root.configure(fg_color=BG)
-
-    frame = ctk.CTkFrame(root, fg_color=BG, corner_radius=0)
-    frame.pack(fill="both", expand=True, padx=28, pady=24)
-
-    title_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    title_frame.pack(anchor="w", pady=(0, 16), fill="x")
-
-    # Blue accent bar
-    accent_bar = ctk.CTkFrame(
-        title_frame, fg_color=TG_BLUE, width=4, height=32, corner_radius=2
-    )
-    accent_bar.pack(side="left", padx=(0, 12))
-
-    ctk.CTkLabel(
-        title_frame,
-        text="Прокси запущен и работает в системном трее",
-        font=(FONT_FAMILY, 17, "bold"),
-        text_color=TEXT_PRIMARY,
-    ).pack(side="left")
-
-    # Info sections
-    sections = [
-        ("Как подключить Telegram Desktop:", True),
-        ("  Автоматически:", True),
-        (f"  ПКМ по иконке в трее → «Открыть в Telegram»", False),
-        (f"  Или ссылка: {tg_url}", False),
-        ("\n  Вручную:", True),
-        ("  Настройки → Продвинутые → Тип подключения → Прокси", False),
-        (f"  SOCKS5 → {host} : {port} (без логина/пароля)", False),
-    ]
-
-    for text, bold in sections:
-        weight = "bold" if bold else "normal"
-        ctk.CTkLabel(
-            frame,
-            text=text,
-            font=(FONT_FAMILY, 13, weight),
-            text_color=TEXT_PRIMARY,
-            anchor="w",
-            justify="left",
-        ).pack(anchor="w", pady=1)
-
-    # Spacer
-    ctk.CTkFrame(frame, fg_color="transparent", height=16).pack()
-
-    # Separator
-    ctk.CTkFrame(frame, fg_color=FIELD_BORDER, height=1, corner_radius=0).pack(
-        fill="x", pady=(0, 12)
+    root = create_ctk_root(
+        ctk,
+        title="TG WS Proxy",
+        width=w,
+        height=h,
+        theme=theme,
+        after_create=_apply_linux_ctk_window_icon,
     )
 
-    # Checkbox
-    auto_var = ctk.BooleanVar(value=True)
-    ctk.CTkCheckBox(
-        frame,
-        text="Открыть прокси в Telegram сейчас",
-        variable=auto_var,
-        font=(FONT_FAMILY, 13),
-        text_color=TEXT_PRIMARY,
-        fg_color=TG_BLUE,
-        hover_color=TG_BLUE_HOVER,
-        corner_radius=6,
-        border_width=2,
-        border_color=FIELD_BORDER,
-    ).pack(anchor="w", pady=(0, 16))
-
-    def on_ok():
+    def on_done(open_tg: bool):
         FIRST_RUN_MARKER.touch()
-        open_tg = auto_var.get()
         root.destroy()
         if open_tg:
             _on_open_in_telegram()
 
-    ctk.CTkButton(
-        frame,
-        text="Начать",
-        width=180,
-        height=42,
-        font=(FONT_FAMILY, 15, "bold"),
-        corner_radius=10,
-        fg_color=TG_BLUE,
-        hover_color=TG_BLUE_HOVER,
-        text_color="#ffffff",
-        command=on_ok,
-    ).pack(pady=(0, 0))
+    populate_first_run_window(
+        ctk, root, theme, host=host, port=port, on_done=on_done)
 
-    root.protocol("WM_DELETE_WINDOW", on_ok)
-    root.mainloop()
+    try:
+        root.mainloop()
+    finally:
+        import tkinter as tk
+        try:
+            if root.winfo_exists():
+                root.destroy()
+        except tk.TclError:
+            pass
 
 
 def _has_ipv6_enabled() -> bool:
@@ -722,7 +529,7 @@ def run_tray():
 
     setup_logging(_config.get("verbose", False),
                   log_max_mb=_config.get("log_max_mb", DEFAULT_CONFIG["log_max_mb"]))
-    log.info("TG WS Proxy tray app starting")
+    log.info("TG WS Proxy версия %s, tray app starting", __version__)
     log.info("Config: %s", _config)
     log.info("Log file: %s", LOG_FILE)
 
@@ -738,6 +545,8 @@ def run_tray():
 
     start_proxy()
 
+    _maybe_notify_update_async()
+
     _show_first_run()
     _check_ipv6_warning()
 
diff --git a/macos.py b/macos.py
index 3fadad0..7d724e7 100644
--- a/macos.py
+++ b/macos.py
@@ -30,6 +30,8 @@ except ImportError:
 
 import proxy.tg_ws_proxy as tg_ws_proxy
 from proxy.app_runtime import ProxyAppRuntime
+from proxy import __version__
+from utils.default_config import default_tray_config
 
 APP_NAME = "TgWsProxy"
 APP_DIR = Path.home() / "Library" / "Application Support" / APP_NAME
@@ -39,15 +41,7 @@ FIRST_RUN_MARKER = APP_DIR / ".first_run_done"
 IPV6_WARN_MARKER = APP_DIR / ".ipv6_warned"
 MENUBAR_ICON_PATH = APP_DIR / "menubar_icon.png"
 
-DEFAULT_CONFIG = {
-    "port": 1080,
-    "host": "127.0.0.1",
-    "dc_ip": ["2:149.154.167.220", "4:149.154.167.220"],
-    "verbose": False,
-    "log_max_mb": 5,
-    "buf_kb": 256,
-    "pool_size": 4,
-}
+DEFAULT_CONFIG = default_tray_config()
 
 _app: Optional[object] = None
 _config: dict = {}
@@ -264,8 +258,9 @@ def restart_proxy():
 # Menu callbacks
 
 def _on_open_in_telegram(_=None):
+    host = _config.get("host", DEFAULT_CONFIG["host"])
     port = _config.get("port", DEFAULT_CONFIG["port"])
-    url = f"tg://socks?server=127.0.0.1&port={port}"
+    url = f"tg://socks?server={host}&port={port}"
     log.info("Opening %s", url)
     try:
         result = subprocess.call(['open', url])
@@ -333,6 +328,55 @@ def _on_edit_config(_=None):
     threading.Thread(target=_edit_config_dialog, daemon=True).start()
 
 
+def _check_updates_menu_title() -> str:
+    on = bool(_config.get("check_updates", True))
+    return (
+        "✓ Проверять обновления при запуске"
+        if on
+        else "Проверять обновления при запуске (выкл)"
+    )
+
+
+def _toggle_check_updates(_=None):
+    global _config
+    _config["check_updates"] = not bool(_config.get("check_updates", True))
+    save_config(_config)
+    if _app is not None:
+        _app._check_updates_item.title = _check_updates_menu_title()
+
+
+def _on_open_release_page(_=None):
+    from utils.update_check import RELEASES_PAGE_URL
+    webbrowser.open(RELEASES_PAGE_URL)
+
+
+def _maybe_notify_update_async():
+    def _work():
+        time.sleep(1.5)
+        if _exiting:
+            return
+        if not _config.get("check_updates", True):
+            return
+        try:
+            from utils.update_check import RELEASES_PAGE_URL, get_status, run_check
+            run_check(__version__)
+            st = get_status()
+            if not st.get("has_update"):
+                return
+            url = (st.get("html_url") or "").strip() or RELEASES_PAGE_URL
+            ver = st.get("latest") or "?"
+            if _ask_yes_no(
+                f"Доступна новая версия: {ver}\n\n"
+                f"Открыть страницу релиза в браузере?",
+                "TG WS Proxy — обновление",
+            ):
+                webbrowser.open(url)
+        except Exception as exc:
+            log.debug("Update check failed: %s", exc)
+
+    threading.Thread(target=_work, daemon=True, name="update-check").start()
+
+
 # Settings via native macOS dialogs
 def _edit_config_dialog():
     cfg = load_config()
@@ -523,6 +567,15 @@ class TgWsProxyApp(_TgWsProxyAppBase):
         self._logs_item = rumps.MenuItem(
             "Открыть логи",
             callback=_on_open_logs)
+        self._release_page_item = rumps.MenuItem(
+            "Страница релиза на GitHub…",
+            callback=_on_open_release_page)
+        self._check_updates_item = rumps.MenuItem(
+            _check_updates_menu_title(),
+            callback=_toggle_check_updates)
+        self._version_item = rumps.MenuItem(
+            f"Версия {__version__}",
+            callback=lambda _: None)
 
         super().__init__(
             "TG WS Proxy",
@@ -535,6 +588,11 @@ class TgWsProxyApp(_TgWsProxyAppBase):
                 self._restart_item,
                 self._settings_item,
                 self._logs_item,
+                None,
+                self._release_page_item,
+                self._check_updates_item,
+                None,
+                self._version_item,
             ])
 
     def update_menu_title(self):
@@ -552,7 +610,7 @@ def run_menubar():
 
     setup_logging(_config.get("verbose", False),
                   log_max_mb=_config.get("log_max_mb", DEFAULT_CONFIG["log_max_mb"]))
-    log.info("TG WS Proxy menubar app starting")
+    log.info("TG WS Proxy версия %s, menubar app starting", __version__)
     log.info("Config: %s", _config)
     log.info("Log file: %s", LOG_FILE)
 
@@ -567,6 +625,9 @@ def run_menubar():
         return
 
     start_proxy()
+
+    _maybe_notify_update_async()
+
     _show_first_run()
     _check_ipv6_warning()
 
diff --git a/proxy/tg_ws_proxy.py b/proxy/tg_ws_proxy.py
index 059b7b7..cac4594 100644
--- a/proxy/tg_ws_proxy.py
+++ b/proxy/tg_ws_proxy.py
@@ -4,6 +4,7 @@ import argparse
 import asyncio
 import base64
 import logging
+from collections import deque
 import logging.handlers
 import os
 import socket as _socket
@@ -145,7 +146,14 @@ _st_Q = struct.Struct('>Q')
 _st_I_net = struct.Struct('!I')
 _st_Ih = struct.Struct('<Ih')
 _st_I_le = struct.Struct('<I')
-_VALID_PROTOS = frozenset((0xEFEFEFEF, 0xEEEEEEEE, 0xDDDDDDDD))
+_PROTO_ABRIDGED = 0xEFEFEFEF
+_PROTO_INTERMEDIATE = 0xEEEEEEEE
+_PROTO_PADDED_INTERMEDIATE = 0xDDDDDDDD
+_VALID_PROTOS = frozenset((
+    _PROTO_ABRIDGED,
+    _PROTO_INTERMEDIATE,
+    _PROTO_PADDED_INTERMEDIATE,
+))
 
 
 class RawWebSocket:
@@ -382,11 +390,7 @@ def _is_http_transport(data: bytes) -> bool:
             data[:5] == b'HEAD ' or data[:8] == b'OPTIONS ')
 
 
-def _dc_from_init(data: bytes) -> Tuple[Optional[int], bool]:
-    """
-    Extract DC ID from the 64-byte MTProto obfuscation init packet.
-    Returns (dc_id, is_media).
-    """
+def _dc_from_init(data: bytes, *, return_proto: bool = False):
     try:
         key = bytes(data[8:40])
         iv = bytes(data[40:56])
@@ -400,11 +404,14 @@ def _dc_from_init(data: bytes) -> Tuple[Optional[int], bool]:
         if proto in _VALID_PROTOS:
             dc = abs(dc_raw)
             if 1 <= dc <= 5 or dc == 203:
-                return dc, (dc_raw < 0)
+                return (
+                    (dc, (dc_raw < 0), proto)
+                    if return_proto else (dc, (dc_raw < 0))
+                )
+            return (None, False, proto) if return_proto else (None, False)
     except Exception as exc:
         log.debug("DC extraction failed: %s", exc)
-    return None, False
-
+    return (None, False, None) if return_proto else (None, False)
 
 def _patch_init_dc(data: bytes, dc: int) -> bytes:
     """
@@ -435,54 +442,103 @@ def _patch_init_dc(data: bytes, dc: int) -> bytes:
 
 class _MsgSplitter:
     """
-    Splits client TCP data into individual MTProto abridged-protocol
-    messages so each can be sent as a separate WebSocket frame.
+    Splits client TCP data into individual MTProto transport packets so
+    each can be sent as a separate WebSocket frame.
 
-    The Telegram WS relay processes one MTProto message per WS frame.
-    Mobile clients batches multiple messages in a single TCP write (e.g.
-    msgs_ack + req_DH_params).  If sent as one WS frame, the relay
-    only processes the first message — DH handshake never completes.
+    Some mobile clients coalesce multiple MTProto packets into one TCP
+    write, and TCP reads may also cut a packet in half.  Keep a rolling
+    buffer so incomplete packets are not forwarded as standalone frames.
     """
 
-    def __init__(self, init_data: bytes):
+    __slots__ = ('_dec', '_proto', '_cipher_buf', '_plain_buf', '_disabled')
+
+    def __init__(self, init_data: bytes, proto: Optional[int] = None):
+        if proto is None:
+            _, _, proto = _dc_from_init(init_data, return_proto=True)
         key_raw = bytes(init_data[8:40])
         iv = bytes(init_data[40:56])
         self._dec = create_aes_ctr_transform(key_raw, iv)
         self._dec.update(b'\x00' * 64)  # skip init packet
+        self._proto = proto
+        self._cipher_buf = bytearray()
+        self._plain_buf = bytearray()
+        self._disabled = False
 
     def split(self, chunk: bytes) -> List[bytes]:
-        """Decrypt to find message boundaries, return split ciphertext."""
-        plain = self._dec.update(chunk)
-        boundaries = []
-        pos = 0
-        plain_len = len(plain)
-        while pos < plain_len:
-            first = plain[pos]
-            if first == 0x7f:
-                if pos + 4 > plain_len:
-                    break
-                msg_len = (
-                    _st_I_le.unpack_from(plain, pos + 1)[0] & 0xFFFFFF
-                ) * 4
-                pos += 4
-            else:
-                msg_len = first * 4
-                pos += 1
-            if msg_len == 0 or pos + msg_len > plain_len:
-                break
-            pos += msg_len
-            boundaries.append(pos)
-        if len(boundaries) <= 1:
+        """Decrypt to find packet boundaries, return complete ciphertext packets."""
+        if not chunk:
+            return []
+        if self._disabled:
             return [chunk]
+
+        self._cipher_buf.extend(chunk)
+        self._plain_buf.extend(self._dec.update(chunk))
+
         parts = []
-        prev = 0
-        for b in boundaries:
-            parts.append(chunk[prev:b])
-            prev = b
-        if prev < len(chunk):
-            parts.append(chunk[prev:])
+        while self._cipher_buf:
+            packet_len = self._next_packet_len()
+            if packet_len is None:
+                break
+            if packet_len <= 0:
+                parts.append(bytes(self._cipher_buf))
+                self._cipher_buf.clear()
+                self._plain_buf.clear()
+                self._disabled = True
+                break
+            parts.append(bytes(self._cipher_buf[:packet_len]))
+            del self._cipher_buf[:packet_len]
+            del self._plain_buf[:packet_len]
         return parts
 
+    def flush(self) -> List[bytes]:
+        if not self._cipher_buf:
+            return []
+        tail = bytes(self._cipher_buf)
+        self._cipher_buf.clear()
+        self._plain_buf.clear()
+        return [tail]
+
+    def _next_packet_len(self) -> Optional[int]:
+        if not self._plain_buf:
+            return None
+        if self._proto == _PROTO_ABRIDGED:
+            return self._next_abridged_len()
+        if self._proto in (_PROTO_INTERMEDIATE, _PROTO_PADDED_INTERMEDIATE):
+            return self._next_intermediate_len()
+        return 0
+
+    def _next_abridged_len(self) -> Optional[int]:
+        first = self._plain_buf[0]
+        if first in (0x7F, 0xFF):
+            if len(self._plain_buf) < 4:
+                return None
+            payload_len = int.from_bytes(self._plain_buf[1:4], 'little') * 4
+            header_len = 4
+        else:
+            payload_len = (first & 0x7F) * 4
+            header_len = 1
+
+        if payload_len <= 0:
+            return 0
+
+        packet_len = header_len + payload_len
+        if len(self._plain_buf) < packet_len:
+            return None
+        return packet_len
+
+    def _next_intermediate_len(self) -> Optional[int]:
+        if len(self._plain_buf) < 4:
+            return None
+
+        payload_len = _st_I_le.unpack_from(self._plain_buf, 0)[0] & 0x7FFFFFFF
+        if payload_len <= 0:
+            return 0
+
+        packet_len = 4 + payload_len
+        if len(self._plain_buf) < packet_len:
+            return None
+        return packet_len
+
 
 def _ws_domains(dc: int, is_media) -> List[str]:
     dc = _DC_OVERRIDES.get(dc, dc)
@@ -505,12 +561,15 @@ class Stats:
         self.pool_misses = 0
 
     def summary(self) -> str:
+        pool_total = self.pool_hits + self.pool_misses
+        pool_s = (
+            f"{self.pool_hits}/{pool_total}" if pool_total else "n/a")
         return (f"total={self.connections_total} ws={self.connections_ws} "
                 f"tcp_fb={self.connections_tcp_fallback} "
                 f"http_skip={self.connections_http_rejected} "
                 f"pass={self.connections_passthrough} "
                 f"err={self.ws_errors} "
-                f"pool={self.pool_hits}/{self.pool_hits+self.pool_misses} "
+                f"pool={pool_s} "
                 f"up={_human_bytes(self.bytes_up)} "
                 f"down={_human_bytes(self.bytes_down)}")
 
@@ -535,7 +594,7 @@ def get_stats_snapshot() -> Dict[str, int]:
 
 class _WsPool:
     def __init__(self):
-        self._idle: Dict[Tuple[int, bool], list] = {}
+        self._idle: Dict[Tuple[int, bool], deque] = {}
         self._refilling: Set[Tuple[int, bool]] = set()
 
     async def get(self, dc: int, is_media: bool,
@@ -544,9 +603,12 @@ class _WsPool:
         key = (dc, is_media)
         now = time.monotonic()
 
-        bucket = self._idle.get(key, [])
+        bucket = self._idle.get(key)
+        if bucket is None:
+            bucket = deque()
+            self._idle[key] = bucket
         while bucket:
-            ws, created = bucket.pop(0)
+            ws, created = bucket.popleft()
             age = now - created
             if age > _WS_POOL_MAX_AGE or ws._closed:
                 asyncio.create_task(self._quiet_close(ws))
@@ -570,7 +632,7 @@ class _WsPool:
     async def _refill(self, key, target_ip, domains):
         dc, is_media = key
         try:
-            bucket = self._idle.setdefault(key, [])
+            bucket = self._idle.setdefault(key, deque())
             needed = _WS_POOL_SIZE - len(bucket)
             if needed <= 0:
                 return
@@ -646,6 +708,10 @@ async def _bridge_ws(reader, writer, ws: RawWebSocket, label,
             while True:
                 chunk = await reader.read(65536)
                 if not chunk:
+                    if splitter:
+                        tail = splitter.flush()
+                        if tail:
+                            await ws.send(tail[0])
                     break
                 n = len(chunk)
                 _stats.bytes_up += n
@@ -653,6 +719,8 @@ async def _bridge_ws(reader, writer, ws: RawWebSocket, label,
                 up_packets += 1
                 if splitter:
                     parts = splitter.split(chunk)
+                    if not parts:
+                        continue
                     if len(parts) > 1:
                         await ws.send_batch(parts)
                     else:
@@ -913,14 +981,14 @@ async def _handle_client(reader, writer):
             return
 
         # -- Extract DC ID --
-        dc, is_media = _dc_from_init(init)
-        init_patched = False
+        dc, is_media, proto = _dc_from_init(init)
         
+        init_patched = False
         # Android (may be ios too) with useSecret=0 has random dc_id bytes — patch it
         if dc is None and dst in _IP_TO_DC:
             dc, is_media = _IP_TO_DC.get(dst)
             if dc in _dc_opt:
-                init = _patch_init_dc(init, dc if is_media else -dc)
+                init = _patch_init_dc(init, -dc if is_media else dc)
                 init_patched = True
 
         if dc is None or dc not in _dc_opt:
@@ -1022,9 +1090,12 @@ async def _handle_client(reader, writer):
         _stats.connections_ws += 1
 
         splitter = None
-        if init_patched:
+
+        # Turning splitter on for mobile clients or media-connections, so as the big files don't get fragmented by the TCP socket.
+        if proto is not None and (init_patched or is_media or proto != _PROTO_INTERMEDIATE):
             try:
-                splitter = _MsgSplitter(init)
+                splitter = _MsgSplitter(init, proto)
+                log.debug("[%s] MsgSplitter activated for proto 0x%08X", label, proto)
             except Exception:
                 pass
 
@@ -1044,6 +1115,11 @@ async def _handle_client(reader, writer):
         log.debug("[%s] cancelled", label)
     except ConnectionResetError:
         log.debug("[%s] connection reset", label)
+    except OSError as exc:
+        if getattr(exc, 'winerror', None) == 1236:
+            log.debug("[%s] connection aborted by local system", label)
+        else:
+            log.error("[%s] unexpected os error: %s", label, exc)
     except Exception as exc:
         log.error("[%s] unexpected: %s", label, exc)
     finally:
@@ -1087,34 +1163,50 @@ async def _run(port: int, dc_opt: Dict[int, Optional[str]],
     log.info("=" * 60)
 
     async def log_stats():
-        while True:
-            await asyncio.sleep(60)
-            bl = ', '.join(
-                f'DC{d}{"m" if m else ""}'
-                for d, m in sorted(_ws_blacklist)) or 'none'
-            log.info("stats: %s | ws_bl: %s", _stats.summary(), bl)
+        try:
+            while True:
+                await asyncio.sleep(60)
+                bl = ', '.join(
+                    f'DC{d}{"m" if m else ""}'
+                    for d, m in sorted(_ws_blacklist)) or 'none'
+                log.info("stats: %s | ws_bl: %s", _stats.summary(), bl)
+        except asyncio.CancelledError:
+            raise
 
-    asyncio.create_task(log_stats())
+    log_stats_task = asyncio.create_task(log_stats())
 
     await _ws_pool.warmup(dc_opt)
 
-    if stop_event:
-        async def wait_stop():
-            await stop_event.wait()
-            server.close()
-            me = asyncio.current_task()
-            for task in list(asyncio.all_tasks()):
-                if task is not me:
-                    task.cancel()
-            try:
-                await server.wait_closed()
-            except asyncio.CancelledError:
-                pass
-        asyncio.create_task(wait_stop())
-
-    async with server:
+    try:
+        async with server:
+            if stop_event:
+                serve_task = asyncio.create_task(server.serve_forever())
+                stop_task = asyncio.create_task(stop_event.wait())
+                done, _pending = await asyncio.wait(
+                    (serve_task, stop_task),
+                    return_when=asyncio.FIRST_COMPLETED,
+                )
+                if stop_task in done:
+                    server.close()
+                    await server.wait_closed()
+                    if not serve_task.done():
+                        serve_task.cancel()
+                        try:
+                            await serve_task
+                        except asyncio.CancelledError:
+                            pass
+                else:
+                    stop_task.cancel()
+                    try:
+                        await stop_task
+                    except asyncio.CancelledError:
+                        pass
+            else:
+                await server.serve_forever()
+    finally:
+        log_stats_task.cancel()
         try:
-            await server.serve_forever()
+            await log_stats_task
         except asyncio.CancelledError:
             pass
     _server_instance = None
diff --git a/pyproject.toml b/pyproject.toml
index 0524036..5e440a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ Source = "https://github.com/Flowseal/tg-ws-proxy"
 Issues = "https://github.com/Flowseal/tg-ws-proxy/issues"
 
 [tool.hatch.build.targets.wheel]
-packages = ["proxy"]
+packages = ["proxy", "ui", "utils"]
 
 [tool.hatch.build.force-include]
 "windows.py" = "windows.py"
diff --git a/ui/__init__.py b/ui/__init__.py
new file mode 100644
index 0000000..57b7b3a
--- /dev/null
+++ b/ui/__init__.py
@@ -0,0 +1,4 @@
+"""
+Интерфейс tray (CustomTkinter): тема, диалоги настроек, подсказки.
+Ядро прокси — пакет `proxy`.
+"""
diff --git a/ui/ctk_theme.py b/ui/ctk_theme.py
new file mode 100644
index 0000000..47a3cdd
--- /dev/null
+++ b/ui/ctk_theme.py
@@ -0,0 +1,112 @@
+"""
+Общая светлая тема и фабрика окон CustomTkinter для tray-приложений (Windows / Linux).
+Цвета и отступы задаются в одном месте — правки темы не дублируются по платформам.
+"""
+
+from __future__ import annotations
+
+import sys
+import tkinter
+from dataclasses import dataclass
+from typing import Any, Callable, Optional, Tuple
+
+_tk_variable_del_guard_installed = False
+
+
+def _install_tkinter_variable_del_guard() -> None:
+    """
+    Убирает «Exception ignored» при выходе процесса: Tcl уже разрушен, а GC ещё
+    вызывает Variable.__del__ (StringVar и т.д.) — напр. окно CTk в фоновом потоке.
+    """
+    global _tk_variable_del_guard_installed
+    if _tk_variable_del_guard_installed:
+        return
+    _orig = tkinter.Variable.__del__
+
+    def _safe_variable_del(self: Any, _orig: Any = _orig) -> None:
+        try:
+            _orig(self)
+        except (RuntimeError, tkinter.TclError):
+            pass
+
+    tkinter.Variable.__del__ = _safe_variable_del  # type: ignore[assignment]
+    _tk_variable_del_guard_installed = True
+
+# Размеры и отступы (единые для диалогов настроек и первого запуска)
+CONFIG_DIALOG_SIZE: Tuple[int, int] = (460, 560)
+CONFIG_DIALOG_FRAME_PAD: Tuple[int, int] = (20, 14)
+FIRST_RUN_SIZE: Tuple[int, int] = (520, 440)
+FIRST_RUN_FRAME_PAD: Tuple[int, int] = (28, 24)
+
+
+@dataclass(frozen=True)
+class CtkTheme:
+    """Палитра Telegram-style и семейства шрифтов для UI и моноширинного текста."""
+
+    tg_blue: str = "#3390ec"
+    tg_blue_hover: str = "#2b7cd4"
+    bg: str = "#ffffff"
+    field_bg: str = "#f0f2f5"
+    field_border: str = "#d6d9dc"
+    text_primary: str = "#000000"
+    text_secondary: str = "#707579"
+    ui_font_family: str = "Sans"
+    mono_font_family: str = "Monospace"
+
+
+def ctk_theme_for_platform() -> CtkTheme:
+    if sys.platform == "win32":
+        return CtkTheme(ui_font_family="Segoe UI", mono_font_family="Consolas")
+    return CtkTheme()
+
+
+def apply_ctk_appearance(ctk: Any) -> None:
+    ctk.set_appearance_mode("light")
+    ctk.set_default_color_theme("blue")
+
+
+def center_ctk_geometry(root: Any, width: int, height: int) -> None:
+    sw = root.winfo_screenwidth()
+    sh = root.winfo_screenheight()
+    root.geometry(f"{width}x{height}+{(sw - width) // 2}+{(sh - height) // 2}")
+
+
+def create_ctk_root(
+    ctk: Any,
+    *,
+    title: str,
+    width: int,
+    height: int,
+    theme: CtkTheme,
+    topmost: bool = True,
+    after_create: Optional[Callable[[Any], None]] = None,
+) -> Any:
+    """
+    Создаёт CTk: глобальная тема, заголовок, без ресайза, по центру экрана, фон из палитры.
+    after_create — опционально: установка иконки окна (различается по ОС).
+    """
+    _install_tkinter_variable_del_guard()
+    apply_ctk_appearance(ctk)
+    root = ctk.CTk()
+    root.title(title)
+    root.resizable(False, False)
+    if topmost:
+        root.attributes("-topmost", True)
+    center_ctk_geometry(root, width, height)
+    root.configure(fg_color=theme.bg)
+    if after_create:
+        after_create(root)
+    return root
+
+
+def main_content_frame(
+    ctk: Any,
+    root: Any,
+    theme: CtkTheme,
+    *,
+    padx: int,
+    pady: int,
+) -> Any:
+    frame = ctk.CTkFrame(root, fg_color=theme.bg, corner_radius=0)
+    frame.pack(fill="both", expand=True, padx=padx, pady=pady)
+    return frame
diff --git a/ui/ctk_tooltip.py b/ui/ctk_tooltip.py
new file mode 100644
index 0000000..16c6da7
--- /dev/null
+++ b/ui/ctk_tooltip.py
@@ -0,0 +1,114 @@
+"""
+Всплывающие подсказки для CustomTkinter / tk: задержка, Toplevel без рамки, wrap.
+"""
+
+from __future__ import annotations
+
+import tkinter as tk
+from typing import Any, List, Optional
+
+
+class CtkTooltip:
+    """Показ текста при наведении на виджет."""
+
+    def __init__(
+        self,
+        widget: Any,
+        text: str,
+        *,
+        delay_ms: int = 450,
+        wraplength: int = 320,
+    ) -> None:
+        self.widget = widget
+        self.text = text
+        self.delay_ms = delay_ms
+        self.wraplength = wraplength
+        self._after_id: Optional[str] = None
+        self._tip: Optional[tk.Toplevel] = None
+        widget.bind("<Enter>", self._schedule, add="+")
+        widget.bind("<Leave>", self._hide, add="+")
+        widget.bind("<Button>", self._hide, add="+")
+        widget.bind("<Destroy>", self._on_destroy, add="+")
+
+    def _schedule(self, _event: Any = None) -> None:
+        self._cancel_after()
+        self._after_id = self.widget.after(self.delay_ms, self._show)
+
+    def _cancel_after(self) -> None:
+        if self._after_id is not None:
+            try:
+                self.widget.after_cancel(self._after_id)
+            except Exception:
+                pass
+            self._after_id = None
+
+    def _show(self) -> None:
+        self._after_id = None
+        if self._tip is not None:
+            return
+        try:
+            if not self.widget.winfo_exists():
+                return
+        except Exception:
+            return
+
+        tw = tk.Toplevel(self.widget.winfo_toplevel())
+        tw.wm_overrideredirect(True)
+        try:
+            tw.wm_attributes("-topmost", True)
+        except Exception:
+            pass
+        tw.configure(bg="#2b2b2b")
+        lbl = tk.Label(
+            tw,
+            text=self.text,
+            justify="left",
+            wraplength=self.wraplength,
+            background="#2b2b2b",
+            foreground="#f0f0f0",
+            relief="flat",
+            borderwidth=0,
+            padx=10,
+            pady=8,
+            font=("Segoe UI", 10) if _is_windows() else None,
+        )
+        lbl.pack()
+        x = self.widget.winfo_rootx() + 12
+        y = self.widget.winfo_rooty() + self.widget.winfo_height() + 4
+        tw.wm_geometry(f"+{x}+{y}")
+        self._tip = tw
+
+    def _hide(self, _event: Any = None) -> None:
+        self._cancel_after()
+        if self._tip is not None:
+            try:
+                self._tip.destroy()
+            except Exception:
+                pass
+            self._tip = None
+
+    def _on_destroy(self, _event: Any = None) -> None:
+        self._hide()
+
+
+def _is_windows() -> bool:
+    import sys
+
+    return sys.platform == "win32"
+
+
+def attach_ctk_tooltip(
+    widget: Any,
+    text: str,
+    *,
+    delay_ms: int = 450,
+    wraplength: int = 320,
+) -> None:
+    """Повесить подсказку на виджет (CTk или tk)."""
+    CtkTooltip(widget, text, delay_ms=delay_ms, wraplength=wraplength)
+
+
+def attach_tooltip_to_widgets(widgets: List[Any], text: str, **kwargs: Any) -> None:
+    """Одна и та же подсказка на несколько виджетов (подпись + поле)."""
+    for w in widgets:
+        attach_ctk_tooltip(w, text, **kwargs)
diff --git a/ui/ctk_tray_ui.py b/ui/ctk_tray_ui.py
new file mode 100644
index 0000000..fc5b63e
--- /dev/null
+++ b/ui/ctk_tray_ui.py
@@ -0,0 +1,579 @@
+"""
+Общая разметка CustomTkinter для tray (Windows / Linux): настройки и первый запуск.
+Логика сохранения и колбэки остаются в платформенных модулях.
+"""
+
+from __future__ import annotations
+
+import webbrowser
+from dataclasses import dataclass
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+import proxy.tg_ws_proxy as tg_ws_proxy
+from proxy import __version__
+from utils.update_check import RELEASES_PAGE_URL, get_status
+
+from ui.ctk_theme import (
+    FIRST_RUN_FRAME_PAD,
+    CtkTheme,
+    main_content_frame,
+)
+from ui.ctk_tooltip import attach_ctk_tooltip, attach_tooltip_to_widgets
+
+# Подсказки для формы настроек (новые пользователи)
+_TIP_HOST = (
+    "Адрес, на котором прокси принимает SOCKS5-подключения.\n"
+    "Обычно 127.0.0.1 — локальная сеть, 0.0.0.0 - все интерфейсы"
+)
+_TIP_PORT = (
+    "Порт SOCKS5. В Telegram Desktop в настройках прокси должен быть "
+    "указан тот же порт"
+)
+_TIP_DC = (
+    "Соответствие номера датацентра Telegram (DC) и IP-адреса сервера.\n"
+    "Каждая строка: «номер:IP», например 2:149.154.167.220. "
+    "Прокси по этим правилам направляет трафик к нужным серверам Telegram"
+)
+_TIP_VERBOSE = (
+    "Если включено, в файл логов пишется больше подробностей — "
+    "необходимо при поиске неполадок"
+)
+_TIP_BUF_KB = (
+    "Размер буфера приёма/передачи в килобайтах.\n"
+    "Больше значение — больше выделение памяти на сокет"
+)
+_TIP_POOL = (
+    "Сколько параллельных WebSocket-сессий к одному датацентру можно держать.\n"
+    "Увеличение может помочь при высокой нагрузке"
+)
+_TIP_LOG_MB = (
+    "Максимальный размер файла лога; при достижении лимита файл перезаписывается"
+)
+_TIP_AUTOSTART = (
+    "Запускать TG WS Proxy при входе в Windows. "
+    "Если вы переместите программу в другую папку, автозапуск сбросится"
+)
+_TIP_CHECK_UPDATES = (
+    "При запуске проверять наличие обновлений"
+)
+_TIP_SAVE = "Сохранить настройки"
+_TIP_CANCEL = "Закрыть окно без сохранения изменений"
+
+# Внутренняя ширина полей относительно ширины окна настроек (см. CONFIG_DIALOG_SIZE)
+_CONFIG_FORM_INNER_WIDTH = 396
+
+
+def tray_settings_scroll_and_footer(
+    ctk: Any,
+    content_parent: Any,
+    theme: CtkTheme,
+) -> Tuple[Any, Any]:
+    """
+    Нижняя панель под кнопки и прокручиваемая область для формы (форма не обрезает кнопки).
+    Возвращает (scroll_frame, footer_frame).
+    """
+    footer = ctk.CTkFrame(content_parent, fg_color=theme.bg)
+    footer.pack(side="bottom", fill="x")
+    scroll = ctk.CTkScrollableFrame(
+        content_parent,
+        fg_color=theme.bg,
+        corner_radius=0,
+        scrollbar_button_color=theme.field_border,
+        scrollbar_button_hover_color=theme.text_secondary,
+    )
+    scroll.pack(fill="both", expand=True)
+    return scroll, footer
+
+
+def _config_section(
+    ctk: Any,
+    parent: Any,
+    theme: CtkTheme,
+    title: str,
+    *,
+    bottom_spacer: int = 6,
+) -> Any:
+    """Заголовок секции и карточка с рамкой для группировки полей."""
+    wrap = ctk.CTkFrame(parent, fg_color="transparent")
+    wrap.pack(fill="x", pady=(0, bottom_spacer))
+    ctk.CTkLabel(
+        wrap,
+        text=title,
+        font=(theme.ui_font_family, 12, "bold"),
+        text_color=theme.text_primary,
+        anchor="w",
+    ).pack(anchor="w", pady=(0, 2))
+    card = ctk.CTkFrame(
+        wrap,
+        fg_color=theme.field_bg,
+        corner_radius=10,
+        border_width=1,
+        border_color=theme.field_border,
+    )
+    card.pack(fill="x")
+    inner = ctk.CTkFrame(card, fg_color="transparent")
+    inner.pack(fill="x", padx=10, pady=8)
+    return inner
+
+
+@dataclass
+class TrayConfigFormWidgets:
+    host_var: Any
+    port_var: Any
+    dc_textbox: Any
+    verbose_var: Any
+    adv_entries: List[Any]
+    adv_keys: Tuple[str, ...]
+    autostart_var: Optional[Any]
+    check_updates_var: Optional[Any]
+
+
+def install_tray_config_form(
+    ctk: Any,
+    frame: Any,
+    theme: CtkTheme,
+    cfg: dict,
+    default_config: dict,
+    *,
+    show_autostart: bool = False,
+    autostart_value: bool = False,
+) -> TrayConfigFormWidgets:
+    """Поля настроек прокси внутри уже созданного `frame`."""
+    header = ctk.CTkFrame(frame, fg_color="transparent")
+    header.pack(fill="x", pady=(0, 2))
+    ctk.CTkLabel(
+        header,
+        text="Настройки прокси",
+        font=(theme.ui_font_family, 17, "bold"),
+        text_color=theme.text_primary,
+        anchor="w",
+    ).pack(side="left")
+    ctk.CTkLabel(
+        header,
+        text=f"v{__version__}",
+        font=(theme.ui_font_family, 12),
+        text_color=theme.text_secondary,
+        anchor="e",
+    ).pack(side="right")
+
+    inner_w = _CONFIG_FORM_INNER_WIDTH
+
+    conn = _config_section(ctk, frame, theme, "Подключение SOCKS5")
+
+    host_row = ctk.CTkFrame(conn, fg_color="transparent")
+    host_row.pack(fill="x")
+
+    host_col = ctk.CTkFrame(host_row, fg_color="transparent")
+    host_col.pack(side="left", fill="x", expand=True, padx=(0, 10))
+    host_lbl = ctk.CTkLabel(
+        host_col,
+        text="IP-адрес",
+        font=(theme.ui_font_family, 12),
+        text_color=theme.text_secondary,
+        anchor="w",
+    )
+    host_lbl.pack(anchor="w", pady=(0, 2))
+    host_var = ctk.StringVar(value=cfg.get("host", default_config["host"]))
+    host_entry = ctk.CTkEntry(
+        host_col,
+        textvariable=host_var,
+        width=160,
+        height=36,
+        font=(theme.ui_font_family, 13),
+        corner_radius=10,
+        fg_color=theme.bg,
+        border_color=theme.field_border,
+        border_width=1,
+        text_color=theme.text_primary,
+    )
+    host_entry.pack(fill="x", pady=(0, 0))
+    attach_tooltip_to_widgets([host_lbl, host_entry, host_col], _TIP_HOST)
+
+    port_col = ctk.CTkFrame(host_row, fg_color="transparent")
+    port_col.pack(side="left")
+    port_lbl = ctk.CTkLabel(
+        port_col,
+        text="Порт",
+        font=(theme.ui_font_family, 12),
+        text_color=theme.text_secondary,
+        anchor="w",
+    )
+    port_lbl.pack(anchor="w", pady=(0, 2))
+    port_var = ctk.StringVar(value=str(cfg.get("port", default_config["port"])))
+    port_entry = ctk.CTkEntry(
+        port_col,
+        textvariable=port_var,
+        width=100,
+        height=36,
+        font=(theme.ui_font_family, 13),
+        corner_radius=10,
+        fg_color=theme.bg,
+        border_color=theme.field_border,
+        border_width=1,
+        text_color=theme.text_primary,
+    )
+    port_entry.pack(anchor="w")
+    attach_tooltip_to_widgets([port_lbl, port_entry, port_col], _TIP_PORT)
+
+    dc_inner = _config_section(ctk, frame, theme, "Датацентры Telegram (DC → IP)")
+    dc_lbl = ctk.CTkLabel(
+        dc_inner,
+        text="По одному правилу на строку, формат: номер:IP",
+        font=(theme.ui_font_family, 11),
+        text_color=theme.text_secondary,
+        anchor="w",
+    )
+    dc_lbl.pack(anchor="w", pady=(0, 4))
+    dc_textbox = ctk.CTkTextbox(
+        dc_inner,
+        width=inner_w,
+        height=88,
+        font=(theme.mono_font_family, 12),
+        corner_radius=10,
+        fg_color=theme.bg,
+        border_color=theme.field_border,
+        border_width=1,
+        text_color=theme.text_primary,
+    )
+    dc_textbox.pack(fill="x")
+    dc_textbox.insert("1.0", "\n".join(cfg.get("dc_ip", default_config["dc_ip"])))
+    attach_tooltip_to_widgets([dc_lbl, dc_textbox], _TIP_DC)
+
+    log_inner = _config_section(ctk, frame, theme, "Логи и производительность")
+
+    verbose_var = ctk.BooleanVar(value=cfg.get("verbose", False))
+    verbose_cb = ctk.CTkCheckBox(
+        log_inner,
+        text="Подробное логирование (verbose)",
+        variable=verbose_var,
+        font=(theme.ui_font_family, 13),
+        text_color=theme.text_primary,
+        fg_color=theme.tg_blue,
+        hover_color=theme.tg_blue_hover,
+        corner_radius=6,
+        border_width=2,
+        border_color=theme.field_border,
+    )
+    verbose_cb.pack(anchor="w", pady=(0, 6))
+    attach_ctk_tooltip(verbose_cb, _TIP_VERBOSE)
+
+    adv_frame = ctk.CTkFrame(log_inner, fg_color="transparent")
+    adv_frame.pack(fill="x")
+
+    adv_rows = [
+        ("Буфер, КБ (по умолчанию 256)", "buf_kb", _TIP_BUF_KB),
+        ("Пул WebSocket-сессий (по умолчанию 4)", "pool_size", _TIP_POOL),
+        ("Макс. размер лога, МБ (по умолчанию 5)", "log_max_mb", _TIP_LOG_MB),
+    ]
+    for lbl, key, tip in adv_rows:
+        col_frame = ctk.CTkFrame(adv_frame, fg_color="transparent")
+        col_frame.pack(fill="x", pady=(0, 0 if key == "log_max_mb" else 5))
+        adv_l = ctk.CTkLabel(
+            col_frame,
+            text=lbl,
+            font=(theme.ui_font_family, 11),
+            text_color=theme.text_secondary,
+            anchor="w",
+        )
+        adv_l.pack(anchor="w", pady=(0, 2))
+        adv_e = ctk.CTkEntry(
+            col_frame,
+            width=inner_w,
+            height=32,
+            font=(theme.ui_font_family, 13),
+            corner_radius=8,
+            fg_color=theme.bg,
+            border_color=theme.field_border,
+            border_width=1,
+            text_color=theme.text_primary,
+            textvariable=ctk.StringVar(
+                value=str(cfg.get(key, default_config[key]))
+            ),
+        )
+        adv_e.pack(fill="x")
+        attach_tooltip_to_widgets([adv_l, adv_e, col_frame], tip)
+
+    adv_entries = list(adv_frame.winfo_children())
+    adv_keys = ("buf_kb", "pool_size", "log_max_mb")
+
+    upd_inner = _config_section(ctk, frame, theme, "Обновления")
+    st = get_status()
+    check_updates_var = ctk.BooleanVar(
+        value=bool(
+            cfg.get("check_updates", default_config.get("check_updates", True))
+        )
+    )
+    upd_cb = ctk.CTkCheckBox(
+        upd_inner,
+        text="Проверять обновления при запуске",
+        variable=check_updates_var,
+        font=(theme.ui_font_family, 13),
+        text_color=theme.text_primary,
+        fg_color=theme.tg_blue,
+        hover_color=theme.tg_blue_hover,
+        corner_radius=6,
+        border_width=2,
+        border_color=theme.field_border,
+    )
+    upd_cb.pack(anchor="w", pady=(0, 6))
+    attach_ctk_tooltip(upd_cb, _TIP_CHECK_UPDATES)
+
+    if st.get("error"):
+        upd_status = "Не удалось связаться с GitHub. Проверьте сеть."
+    elif not st.get("checked"):
+        upd_status = "Статус появится после фоновой проверки при запуске."
+    elif st.get("has_update") and st.get("latest"):
+        upd_status = (
+            f"На GitHub доступна версия {st['latest']} "
+            f"(у вас {__version__})."
+        )
+    elif st.get("ahead_of_release") and st.get("latest"):
+        upd_status = (
+            f"У вас {__version__} — новее последнего релиза на GitHub "
+            f"({st['latest']})."
+        )
+    else:
+        upd_status = "Установлена последняя известная версия с GitHub."
+
+    ctk.CTkLabel(
+        upd_inner,
+        text=upd_status,
+        font=(theme.ui_font_family, 11),
+        text_color=theme.text_secondary,
+        anchor="w",
+        justify="left",
+        wraplength=inner_w,
+    ).pack(anchor="w", pady=(0, 8))
+
+    rel_url = (st.get("html_url") or "").strip() or RELEASES_PAGE_URL
+    open_rel_btn = ctk.CTkButton(
+        upd_inner,
+        text="Открыть страницу релиза",
+        height=32,
+        font=(theme.ui_font_family, 13),
+        corner_radius=8,
+        fg_color=theme.field_bg,
+        hover_color=theme.field_border,
+        text_color=theme.text_primary,
+        border_width=1,
+        border_color=theme.field_border,
+        command=lambda u=rel_url: webbrowser.open(u),
+    )
+    open_rel_btn.pack(anchor="w")
+
+    autostart_var = None
+    if show_autostart:
+        sys_inner = _config_section(
+            ctk, frame, theme, "Запуск Windows", bottom_spacer=4
+        )
+        autostart_var = ctk.BooleanVar(value=autostart_value)
+        as_cb = ctk.CTkCheckBox(
+            sys_inner,
+            text="Автозапуск при включении компьютера",
+            variable=autostart_var,
+            font=(theme.ui_font_family, 13),
+            text_color=theme.text_primary,
+            fg_color=theme.tg_blue,
+            hover_color=theme.tg_blue_hover,
+            corner_radius=6,
+            border_width=2,
+            border_color=theme.field_border,
+        )
+        as_cb.pack(anchor="w", pady=(0, 4))
+        as_hint = ctk.CTkLabel(
+            sys_inner,
+            text="Если переместить программу в другую папку, запись автозапуска может сброситься.",
+            font=(theme.ui_font_family, 11),
+            text_color=theme.text_secondary,
+            anchor="w",
+            justify="left",
+            wraplength=inner_w,
+        )
+        as_hint.pack(anchor="w")
+        attach_tooltip_to_widgets([as_cb, as_hint], _TIP_AUTOSTART)
+
+    return TrayConfigFormWidgets(
+        host_var=host_var,
+        port_var=port_var,
+        dc_textbox=dc_textbox,
+        verbose_var=verbose_var,
+        adv_entries=adv_entries,
+        adv_keys=adv_keys,
+        autostart_var=autostart_var,
+        check_updates_var=check_updates_var,
+    )
+
+
+def merge_adv_from_form(
+    widgets: TrayConfigFormWidgets,
+    base: Dict[str, Any],
+    default_config: dict,
+) -> None:
+    """Дополняет base значениями buf_kb / pool_size / log_max_mb (in-place)."""
+    for i, key in enumerate(widgets.adv_keys):
+        col_frame = widgets.adv_entries[i]
+        entry = col_frame.winfo_children()[1]
+        try:
+            val = float(entry.get().strip())
+            if key in ("buf_kb", "pool_size"):
+                val = int(val)
+            base[key] = val
+        except ValueError:
+            base[key] = default_config[key]
+
+
+def validate_config_form(
+    widgets: TrayConfigFormWidgets,
+    default_config: dict,
+    *,
+    include_autostart: bool,
+) -> Union[dict, str]:
+    """
+    Возвращает словарь полей конфига или строку ошибки для показа пользователю.
+    """
+    import socket as _sock
+
+    host_val = widgets.host_var.get().strip()
+    try:
+        _sock.inet_aton(host_val)
+    except OSError:
+        return "Некорректный IP-адрес."
+
+    try:
+        port_val = int(widgets.port_var.get().strip())
+        if not (1 <= port_val <= 65535):
+            raise ValueError
+    except ValueError:
+        return "Порт должен быть числом 1-65535"
+
+    lines = [
+        l.strip()
+        for l in widgets.dc_textbox.get("1.0", "end").strip().splitlines()
+        if l.strip()
+    ]
+    try:
+        tg_ws_proxy.parse_dc_ip_list(lines)
+    except ValueError as e:
+        return str(e)
+
+    new_cfg: Dict[str, Any] = {
+        "host": host_val,
+        "port": port_val,
+        "dc_ip": lines,
+        "verbose": widgets.verbose_var.get(),
+    }
+    if include_autostart:
+        new_cfg["autostart"] = (
+            widgets.autostart_var.get()
+            if widgets.autostart_var is not None
+            else False
+        )
+
+    merge_adv_from_form(widgets, new_cfg, default_config)
+    if widgets.check_updates_var is not None:
+        new_cfg["check_updates"] = bool(widgets.check_updates_var.get())
+    return new_cfg
+
+
+def install_tray_config_buttons(
+    ctk: Any,
+    frame: Any,
+    theme: CtkTheme,
+    *,
+    on_save: Callable[[], None],
+    on_cancel: Callable[[], None],
+) -> None:
+    ctk.CTkFrame(
+        frame,
+        fg_color=theme.field_border,
+        height=1,
+        corner_radius=0,
+    ).pack(fill="x", pady=(4, 10))
+    btn_frame = ctk.CTkFrame(frame, fg_color="transparent")
+    btn_frame.pack(fill="x", pady=(0, 0))
+    save_btn = ctk.CTkButton(
+        btn_frame, text="Сохранить", height=38,
+        font=(theme.ui_font_family, 14, "bold"), corner_radius=10,
+        fg_color=theme.tg_blue, hover_color=theme.tg_blue_hover,
+        text_color="#ffffff",
+        command=on_save)
+    save_btn.pack(side="left", fill="x", expand=True, padx=(0, 8))
+    attach_ctk_tooltip(save_btn, _TIP_SAVE)
+    cancel_btn = ctk.CTkButton(
+        btn_frame, text="Отмена", height=38,
+        font=(theme.ui_font_family, 14), corner_radius=10,
+        fg_color=theme.field_bg, hover_color=theme.field_border,
+        text_color=theme.text_primary, border_width=1,
+        border_color=theme.field_border,
+        command=on_cancel)
+    cancel_btn.pack(side="right", fill="x", expand=True)
+    attach_ctk_tooltip(cancel_btn, _TIP_CANCEL)
+
+
+def populate_first_run_window(
+    ctk: Any,
+    root: Any,
+    theme: CtkTheme,
+    *,
+    host: str,
+    port: int,
+    on_done: Callable[[bool], None],
+) -> None:
+    """
+    Содержимое окна первого запуска. on_done(open_in_telegram) — по «Начать» и по закрытию окна.
+    """
+    tg_url = f"tg://socks?server={host}&port={port}"
+    fpx, fpy = FIRST_RUN_FRAME_PAD
+    frame = main_content_frame(ctk, root, theme, padx=fpx, pady=fpy)
+
+    title_frame = ctk.CTkFrame(frame, fg_color="transparent")
+    title_frame.pack(anchor="w", pady=(0, 16), fill="x")
+
+    accent_bar = ctk.CTkFrame(title_frame, fg_color=theme.tg_blue,
+                              width=4, height=32, corner_radius=2)
+    accent_bar.pack(side="left", padx=(0, 12))
+
+    ctk.CTkLabel(title_frame, text="Прокси запущен и работает в системном трее",
+                 font=(theme.ui_font_family, 17, "bold"),
+                 text_color=theme.text_primary).pack(side="left")
+
+    sections = [
+        ("Как подключить Telegram Desktop:", True),
+        ("  Автоматически:", True),
+        ("  ПКМ по иконке в трее → «Открыть в Telegram»", False),
+        (f"  Или ссылка: {tg_url}", False),
+        ("\n  Вручную:", True),
+        ("  Настройки → Продвинутые → Тип подключения → Прокси", False),
+        (f"  SOCKS5 → {host} : {port} (без логина/пароля)", False),
+    ]
+
+    for text, bold in sections:
+        weight = "bold" if bold else "normal"
+        ctk.CTkLabel(frame, text=text,
+                     font=(theme.ui_font_family, 13, weight),
+                     text_color=theme.text_primary,
+                     anchor="w", justify="left").pack(anchor="w", pady=1)
+
+    ctk.CTkFrame(frame, fg_color="transparent", height=16).pack()
+
+    ctk.CTkFrame(frame, fg_color=theme.field_border, height=1,
+                 corner_radius=0).pack(fill="x", pady=(0, 12))
+
+    auto_var = ctk.BooleanVar(value=True)
+    ctk.CTkCheckBox(frame, text="Открыть прокси в Telegram сейчас",
+                    variable=auto_var, font=(theme.ui_font_family, 13),
+                    text_color=theme.text_primary,
+                    fg_color=theme.tg_blue, hover_color=theme.tg_blue_hover,
+                    corner_radius=6, border_width=2,
+                    border_color=theme.field_border).pack(anchor="w", pady=(0, 16))
+
+    def on_ok():
+        on_done(auto_var.get())
+
+    ctk.CTkButton(frame, text="Начать", width=180, height=42,
+                  font=(theme.ui_font_family, 15, "bold"), corner_radius=10,
+                  fg_color=theme.tg_blue, hover_color=theme.tg_blue_hover,
+                  text_color="#ffffff",
+                  command=on_ok).pack(pady=(0, 0))
+
+    root.protocol("WM_DELETE_WINDOW", on_ok)
diff --git a/utils/__init__.py b/utils/__init__.py
new file mode 100644
index 0000000..d370cd6
--- /dev/null
+++ b/utils/__init__.py
@@ -0,0 +1,5 @@
+"""Вспомогательные утилиты (проверка релизов и т.п.)."""
+
+from utils.update_check import RELEASES_PAGE_URL, get_status, run_check
+
+__all__ = ["RELEASES_PAGE_URL", "get_status", "run_check"]
diff --git a/utils/default_config.py b/utils/default_config.py
new file mode 100644
index 0000000..30b7bc6
--- /dev/null
+++ b/utils/default_config.py
@@ -0,0 +1,27 @@
+"""
+Общие значения по умолчанию для tray-приложений (Windows / Linux / macOS).
+Единственное отличие по платформе — ключ autostart только на Windows.
+"""
+from __future__ import annotations
+
+import sys
+from typing import Any, Dict
+
+_TRAY_DEFAULTS_COMMON: Dict[str, Any] = {
+    "port": 1080,
+    "host": "127.0.0.1",
+    "dc_ip": ["2:149.154.167.220", "4:149.154.167.220"],
+    "verbose": False,
+    "check_updates": True,
+    "log_max_mb": 5,
+    "buf_kb": 256,
+    "pool_size": 4,
+}
+
+
+def default_tray_config() -> Dict[str, Any]:
+    """Новая копия конфига по умолчанию для текущей ОС."""
+    cfg = dict(_TRAY_DEFAULTS_COMMON)
+    if sys.platform == "win32":
+        cfg["autostart"] = False
+    return cfg
diff --git a/utils/update_check.py b/utils/update_check.py
new file mode 100644
index 0000000..026dd41
--- /dev/null
+++ b/utils/update_check.py
@@ -0,0 +1,223 @@
+"""
+Минимальная проверка новой версии через GitHub Releases API (без сторонних зависимостей).
+
+Ограничение частоты запросов: не чаще одного раза в час на машину (кэш в каталоге
+данных приложения). Поддерживается If-None-Match (ETag) для ответа 304.
+"""
+from __future__ import annotations
+
+import json
+import os
+import sys
+import time
+from itertools import zip_longest
+from pathlib import Path
+from typing import Any, Dict, Optional, Tuple
+from urllib.error import HTTPError, URLError
+from urllib.request import Request, urlopen
+
+REPO = "Flowseal/tg-ws-proxy"
+RELEASES_LATEST_API = f"https://api.github.com/repos/{REPO}/releases/latest"
+RELEASES_PAGE_URL = f"https://github.com/{REPO}/releases/latest"
+
+# Не чаще одного полного запроса к API в час (без учёта 304 с тем же ETag).
+_MIN_FETCH_INTERVAL_SEC = 3600.0
+
+_state: Dict[str, Any] = {
+    "checked": False,
+    "has_update": False,
+    "ahead_of_release": False,
+    "latest": None,
+    "html_url": None,
+    "error": None,
+}
+
+
+def _cache_file() -> Optional[Path]:
+    try:
+        if sys.platform == "win32":
+            root = Path(os.environ.get("APPDATA", str(Path.home()))) / "TgWsProxy"
+        elif sys.platform == "darwin":
+            root = Path.home() / "Library/Application Support/TgWsProxy"
+        else:
+            xdg = os.environ.get("XDG_CONFIG_HOME")
+            root = (Path(xdg).expanduser() if xdg else Path.home() / ".config") / "TgWsProxy"
+        root.mkdir(parents=True, exist_ok=True)
+        return root / ".update_check_cache.json"
+    except OSError:
+        return None
+
+
+def _load_cache(path: Optional[Path]) -> Dict[str, Any]:
+    if not path or not path.is_file():
+        return {}
+    try:
+        return json.loads(path.read_text(encoding="utf-8"))
+    except (OSError, json.JSONDecodeError):
+        return {}
+
+
+def _save_cache(path: Optional[Path], data: Dict[str, Any]) -> None:
+    if not path:
+        return
+    try:
+        path.write_text(json.dumps(data), encoding="utf-8")
+    except OSError:
+        pass
+
+
+def _parse_version_tuple(s: str) -> tuple:
+    s = (s or "").strip().lstrip("vV")
+    if not s:
+        return (0,)
+    parts = []
+    for seg in s.split("."):
+        digits = "".join(c for c in seg if c.isdigit())
+        if digits:
+            try:
+                parts.append(int(digits))
+            except ValueError:
+                parts.append(0)
+        else:
+            parts.append(0)
+    return tuple(parts) if parts else (0,)
+
+
+def _version_gt(a: str, b: str) -> bool:
+    """True, если версия a новее b (простое сравнение по сегментам)."""
+    ta = _parse_version_tuple(a)
+    tb = _parse_version_tuple(b)
+    for x, y in zip_longest(ta, tb, fillvalue=0):
+        if x > y:
+            return True
+        if x < y:
+            return False
+    return False
+
+
+def _apply_release_tag(
+    tag: str, html_url: str, current_version: str,
+) -> None:
+    global _state
+    if not tag:
+        _state["has_update"] = False
+        _state["ahead_of_release"] = False
+        _state["latest"] = None
+        _state["html_url"] = html_url.strip() or RELEASES_PAGE_URL
+        return
+    latest_clean = tag.lstrip("vV")
+    cur = (current_version or "").strip().lstrip("vV")
+    _state["latest"] = latest_clean
+    _state["html_url"] = html_url.strip() or RELEASES_PAGE_URL
+    _state["has_update"] = _version_gt(latest_clean, cur)
+    _state["ahead_of_release"] = bool(latest_clean) and _version_gt(
+        cur, latest_clean
+    )
+
+
+def fetch_latest_release(
+    timeout: float = 12.0,
+    etag: Optional[str] = None,
+) -> Tuple[Optional[dict], Optional[str], int]:
+    """
+    GET releases/latest. Возвращает (data или None при 304, etag или None, HTTP-код).
+    """
+    headers = {
+        "Accept": "application/vnd.github+json",
+        "User-Agent": "tg-ws-proxy-update-check",
+    }
+    if etag:
+        headers["If-None-Match"] = etag
+    req = Request(
+        RELEASES_LATEST_API,
+        headers=headers,
+        method="GET",
+    )
+    try:
+        with urlopen(req, timeout=timeout) as resp:
+            code = getattr(resp, "status", None) or resp.getcode()
+            new_etag = resp.headers.get("ETag")
+            raw = resp.read().decode("utf-8", errors="replace")
+            return json.loads(raw), new_etag, int(code)
+    except HTTPError as e:
+        if e.code == 304:
+            hdrs = e.headers
+            new_etag = hdrs.get("ETag") if hdrs else None
+            return None, new_etag or etag, 304
+        raise
+
+
+def run_check(current_version: str) -> None:
+    """Запрашивает последний релиз и обновляет внутреннее состояние."""
+    global _state
+    _state["checked"] = True
+    _state["error"] = None
+
+    cache_path = _cache_file()
+    cache = _load_cache(cache_path)
+    now = time.time()
+    last_attempt = float(cache.get("last_attempt_at") or 0)
+
+    if last_attempt and (now - last_attempt) < _MIN_FETCH_INTERVAL_SEC:
+        tag = (cache.get("tag_name") or "").strip()
+        if tag:
+            _apply_release_tag(tag, cache.get("html_url") or "", current_version)
+            return
+        err = cache.get("last_error")
+        _state["error"] = (
+            err if err else "Проверка обновлений отложена (интервал между запросами)."
+        )
+        _state["has_update"] = False
+        _state["ahead_of_release"] = False
+        _state["latest"] = None
+        _state["html_url"] = RELEASES_PAGE_URL
+        return
+
+    etag = (cache.get("etag") or "").strip() or None
+    try:
+        data, new_etag, code = fetch_latest_release(etag=etag)
+        cache["last_attempt_at"] = now
+        if code == 304:
+            tag = (cache.get("tag_name") or "").strip()
+            url = (cache.get("html_url") or "").strip() or RELEASES_PAGE_URL
+            _apply_release_tag(tag, url, current_version)
+            if new_etag:
+                cache["etag"] = new_etag
+            _save_cache(cache_path, cache)
+            return
+
+        assert data is not None
+        tag = (data.get("tag_name") or "").strip()
+        html_url = (data.get("html_url") or "").strip() or RELEASES_PAGE_URL
+        if not tag:
+            _state["has_update"] = False
+            _state["ahead_of_release"] = False
+            _state["latest"] = None
+            _state["html_url"] = html_url
+        else:
+            _apply_release_tag(tag, html_url, current_version)
+        if new_etag:
+            cache["etag"] = new_etag
+        cache["tag_name"] = tag
+        cache["html_url"] = html_url
+        cache.pop("last_error", None)
+        _save_cache(cache_path, cache)
+    except (HTTPError, URLError, OSError, TimeoutError, ValueError, json.JSONDecodeError) as e:
+        cache["last_attempt_at"] = now
+        msg = str(e)
+        if isinstance(e, HTTPError) and e.code == 403:
+            msg = (
+                "GitHub API вернул 403 (лимит или доступ). Повторите позже."
+            )
+        cache["last_error"] = msg
+        _save_cache(cache_path, cache)
+        _state["error"] = msg
+        _state["has_update"] = False
+        _state["ahead_of_release"] = False
+        _state["latest"] = None
+        _state["html_url"] = RELEASES_PAGE_URL
+
+
+def get_status() -> Dict[str, Any]:
+    """Снимок состояния после run_check (для подписей в настройках)."""
+    return dict(_state)
diff --git a/windows.py b/windows.py
index 084cb97..7e8666d 100644
--- a/windows.py
+++ b/windows.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import ctypes
+import ipaddress
 import json
 import logging
 import logging.handlers
@@ -11,16 +12,49 @@ import sys
 import threading
 import time
 import webbrowser
-import pyperclip
+import ipaddress
 from pathlib import Path
 from typing import Optional
 
-import pystray
-import customtkinter as ctk
-from PIL import Image, ImageDraw, ImageFont
+try:
+    import pyperclip
+except ImportError:
+    pyperclip = None
+
+try:
+    import pystray
+except ImportError:
+    pystray = None
+
+try:
+    import customtkinter as ctk
+except ImportError:
+    ctk = None
+
+try:
+    from PIL import Image, ImageDraw, ImageFont
+except ImportError:
+    Image = ImageDraw = ImageFont = None
 
 import proxy.tg_ws_proxy as tg_ws_proxy
 from proxy.app_runtime import ProxyAppRuntime
+from proxy import __version__
+from utils.default_config import default_tray_config
+from ui.ctk_tray_ui import (
+    install_tray_config_buttons,
+    install_tray_config_form,
+    populate_first_run_window,
+    tray_settings_scroll_and_footer,
+    validate_config_form,
+)
+from ui.ctk_theme import (
+    CONFIG_DIALOG_FRAME_PAD,
+    CONFIG_DIALOG_SIZE,
+    FIRST_RUN_SIZE,
+    create_ctk_root,
+    ctk_theme_for_platform,
+    main_content_frame,
+)
 
 
 IS_FROZEN = bool(getattr(sys, "frozen", False))
@@ -33,16 +67,7 @@ FIRST_RUN_MARKER = APP_DIR / ".first_run_done"
 IPV6_WARN_MARKER = APP_DIR / ".ipv6_warned"
 
 
-DEFAULT_CONFIG = {
-    "port": 1080,
-    "host": "127.0.0.1",
-    "dc_ip": ["2:149.154.167.220", "4:149.154.167.220"],
-    "verbose": False,
-    "autostart": False,
-    "log_max_mb": 5,
-    "buf_kb": 256,
-    "pool_size": 4,
-}
+DEFAULT_CONFIG = default_tray_config()
 
 
 _tray_icon: Optional[object] = None
@@ -60,6 +85,15 @@ _runtime = ProxyAppRuntime(
 CONFIG_FILE = _runtime.config_file
 LOG_FILE = _runtime.log_file
 
+_user32 = ctypes.windll.user32
+_user32.MessageBoxW.argtypes = [
+    ctypes.c_void_p,
+    ctypes.c_wchar_p,
+    ctypes.c_wchar_p,
+    ctypes.c_uint,
+]
+_user32.MessageBoxW.restype = ctypes.c_int
+
 
 def _same_process(lock_meta: dict, proc: psutil.Process) -> bool:
     try:
@@ -70,9 +104,18 @@ def _same_process(lock_meta: dict, proc: psutil.Process) -> bool:
     except Exception:
         return False
 
+    try:
+        for arg in proc.cmdline():
+            if "windows.py" in arg:
+                return True
+    except Exception:
+        pass
+
     frozen = bool(getattr(sys, "frozen", False))
     if frozen:
-        return os.path.basename(sys.executable) == proc.name()
+        return (
+            os.path.basename(sys.executable).lower() == proc.name().lower()
+        )
 
     return False
 
@@ -255,16 +298,61 @@ def restart_proxy():
 
 
 def _show_error(text: str, title: str = "TG WS Proxy — Ошибка"):
-    ctypes.windll.user32.MessageBoxW(0, text, title, 0x10)
+    _user32.MessageBoxW(None, text, title, 0x10)
 
 
 def _show_info(text: str, title: str = "TG WS Proxy"):
-    ctypes.windll.user32.MessageBoxW(0, text, title, 0x40)
+    _user32.MessageBoxW(None, text, title, 0x40)
+
+
+def _ask_open_release_page(latest_version: str, url: str) -> bool:
+    """Win32 Yes/No: открыть страницу релиза."""
+    MB_YESNO = 0x4
+    MB_ICONQUESTION = 0x20
+    IDYES = 6
+    text = (
+        f"Доступна новая версия: {latest_version}\n\n"
+        f"Открыть страницу релиза в браузере?"
+    )
+    r = _user32.MessageBoxW(
+        None,
+        text,
+        "TG WS Proxy — обновление",
+        MB_YESNO | MB_ICONQUESTION,
+    )
+    return r == IDYES
+
+
+def _maybe_notify_update_async():
+    """
+    Фоновая проверка GitHub Releases и уведомление (не блокирует трей).
+    """
+    def _work():
+        time.sleep(1.5)
+        if _exiting:
+            return
+        if not _config.get("check_updates", True):
+            return
+        try:
+            from utils.update_check import RELEASES_PAGE_URL, get_status, run_check
+            run_check(__version__)
+            st = get_status()
+            if not st.get("has_update"):
+                return
+            url = (st.get("html_url") or "").strip() or RELEASES_PAGE_URL
+            ver = st.get("latest") or "?"
+            if _ask_open_release_page(str(ver), url):
+                webbrowser.open(url)
+        except Exception as exc:
+            log.debug("Update check failed: %s", exc)
+
+    threading.Thread(target=_work, daemon=True, name="update-check").start()
 
 
 def _on_open_in_telegram(icon=None, item=None):
+    host = _config.get("host", DEFAULT_CONFIG["host"])
     port = _config.get("port", DEFAULT_CONFIG["port"])
-    url = f"tg://socks?server=127.0.0.1&port={port}"
+    url = f"tg://socks?server={host}&port={port}"
     log.info("Opening %s", url)
     try:
         result = webbrowser.open(url)
@@ -272,6 +360,11 @@ def _on_open_in_telegram(icon=None, item=None):
             raise RuntimeError("webbrowser.open returned False")
     except Exception:
         log.info("Browser open failed, copying to clipboard")
+        if pyperclip is None:
+            _show_error(
+                "Не удалось открыть Telegram автоматически.\n\n"
+                f"Установите пакет pyperclip для копирования в буфер или откройте вручную:\n{url}")
+            return
         try:
             pyperclip.copy(url)
             _show_info(
@@ -299,165 +392,53 @@ def _edit_config_dialog():
     cfg = dict(_config)
     cfg["autostart"] = is_autostart_enabled()
 
-    # Make sure that the autostart key is removed if autostart 
+    # Make sure that the autostart key is removed if autostart
     # is disabled, even if the executable file is moved.
     if _supports_autostart() and not cfg["autostart"]:
         set_autostart_enabled(False)
 
-    ctk.set_appearance_mode("light")
-    ctk.set_default_color_theme("blue")
-
-    root = ctk.CTk()
-    root.title("TG WS Proxy — Настройки")
-    root.resizable(False, False)
-    root.attributes("-topmost", True)
-    icon_path = str(Path(__file__).parent / "icon.ico")
-    root.iconbitmap(icon_path)
-
-    TG_BLUE = "#3390ec"
-    TG_BLUE_HOVER = "#2b7cd4"
-    BG = "#ffffff"
-    FIELD_BG = "#f0f2f5"
-    FIELD_BORDER = "#d6d9dc"
-    TEXT_PRIMARY = "#000000"
-    TEXT_SECONDARY = "#707579"
-    FONT_FAMILY = "Segoe UI"
-
-    w, h = 420, 540
-
-    if _supports_autostart(): 
-        h += 70
-
-    sw = root.winfo_screenwidth()
-    sh = root.winfo_screenheight()
-    root.geometry(f"{w}x{h}+{(sw-w)//2}+{(sh-h)//2}")
-    root.configure(fg_color=BG)
-
-    frame = ctk.CTkFrame(root, fg_color=BG, corner_radius=0)
-    frame.pack(fill="both", expand=True, padx=24, pady=20)
-
-    # Host
-    ctk.CTkLabel(frame, text="IP-адрес прокси",
-                 font=(FONT_FAMILY, 13), text_color=TEXT_PRIMARY,
-                 anchor="w").pack(anchor="w", pady=(0, 4))
-    host_var = ctk.StringVar(value=cfg.get("host", "127.0.0.1"))
-    host_entry = ctk.CTkEntry(frame, textvariable=host_var, width=200, height=36,
-                              font=(FONT_FAMILY, 13), corner_radius=10,
-                              fg_color=FIELD_BG, border_color=FIELD_BORDER,
-                              border_width=1, text_color=TEXT_PRIMARY)
-    host_entry.pack(anchor="w", pady=(0, 12))
-
-    # Port
-    ctk.CTkLabel(frame, text="Порт прокси",
-                 font=(FONT_FAMILY, 13), text_color=TEXT_PRIMARY,
-                 anchor="w").pack(anchor="w", pady=(0, 4))
-    port_var = ctk.StringVar(value=str(cfg.get("port", 1080)))
-    port_entry = ctk.CTkEntry(frame, textvariable=port_var, width=120, height=36,
-                              font=(FONT_FAMILY, 13), corner_radius=10,
-                              fg_color=FIELD_BG, border_color=FIELD_BORDER,
-                              border_width=1, text_color=TEXT_PRIMARY)
-    port_entry.pack(anchor="w", pady=(0, 12))
-
-    # DC-IP mappings
-    ctk.CTkLabel(frame, text="DC → IP маппинги (по одному на строку, формат DC:IP)",
-                 font=(FONT_FAMILY, 13), text_color=TEXT_PRIMARY,
-                 anchor="w").pack(anchor="w", pady=(0, 4))
-    dc_textbox = ctk.CTkTextbox(frame, width=370, height=120,
-                                font=("Consolas", 12), corner_radius=10,
-                                fg_color=FIELD_BG, border_color=FIELD_BORDER,
-                                border_width=1, text_color=TEXT_PRIMARY)
-    dc_textbox.pack(anchor="w", pady=(0, 12))
-    dc_textbox.insert("1.0", "\n".join(cfg.get("dc_ip", DEFAULT_CONFIG["dc_ip"])))
-
-    # Verbose
-    verbose_var = ctk.BooleanVar(value=cfg.get("verbose", False))
-    ctk.CTkCheckBox(frame, text="Подробное логирование (verbose)",
-                    variable=verbose_var, font=(FONT_FAMILY, 13),
-                    text_color=TEXT_PRIMARY,
-                    fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                    corner_radius=6, border_width=2,
-                    border_color=FIELD_BORDER).pack(anchor="w", pady=(0, 8))
-
-    # Advanced: buf_kb, pool_size, log_max_mb
-    adv_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    adv_frame.pack(anchor="w", fill="x", pady=(4, 8))
-
-    for col, (lbl, key, w_) in enumerate([
-        ("Буфер (KB, 256 default)", "buf_kb", 120),
-        ("WS пулов (4 default)", "pool_size", 120),
-        ("Log size (MB, 5 def)", "log_max_mb", 120),
-    ]):
-        col_frame = ctk.CTkFrame(adv_frame, fg_color="transparent")
-        col_frame.pack(side="left", padx=(0, 10))
-        ctk.CTkLabel(col_frame, text=lbl, font=(FONT_FAMILY, 11),
-                     text_color=TEXT_SECONDARY, anchor="w").pack(anchor="w")
-        ctk.CTkEntry(col_frame, width=w_, height=30, font=(FONT_FAMILY, 12),
-                     corner_radius=8, fg_color=FIELD_BG,
-                     border_color=FIELD_BORDER, border_width=1,
-                     text_color=TEXT_PRIMARY,
-                     textvariable=ctk.StringVar(
-                         value=str(cfg.get(key, DEFAULT_CONFIG[key]))
-                     )).pack(anchor="w")
-
-    _adv_entries = list(adv_frame.winfo_children())
-    _adv_keys = ["buf_kb", "pool_size", "log_max_mb"]
-
-    autostart_var = None
+    theme = ctk_theme_for_platform()
+    w, h = CONFIG_DIALOG_SIZE
     if _supports_autostart():
-        autostart_var = ctk.BooleanVar(value=cfg["autostart"])
-        ctk.CTkCheckBox(frame, text="Автозапуск при включении Windows",
-                        variable=autostart_var, font=(FONT_FAMILY, 13),
-                        text_color=TEXT_PRIMARY,
-                        fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                        corner_radius=6, border_width=2,
-                        border_color=FIELD_BORDER).pack(anchor="w", pady=(0, 8))
-        ctk.CTkLabel(frame, text="При перемещении файла или открытии из другой папки\nавтозапуск будет сброшен",
-                 font=(FONT_FAMILY, 13), text_color=TEXT_SECONDARY,
-                 anchor="w", justify="left").pack(anchor="w", pady=(0, 8))
+        h += 100
+
+    icon_path = str(Path(__file__).parent / "icon.ico")
+
+    root = create_ctk_root(
+        ctk,
+        title="TG WS Proxy — Настройки",
+        width=w,
+        height=h,
+        theme=theme,
+        after_create=lambda r: r.iconbitmap(icon_path),
+    )
+
+    fpx, fpy = CONFIG_DIALOG_FRAME_PAD
+    frame = main_content_frame(ctk, root, theme, padx=fpx, pady=fpy)
+
+    scroll, footer = tray_settings_scroll_and_footer(ctk, frame, theme)
+
+    widgets = install_tray_config_form(
+        ctk,
+        scroll,
+        theme,
+        cfg,
+        DEFAULT_CONFIG,
+        show_autostart=_supports_autostart(),
+        autostart_value=cfg.get("autostart", False),
+    )
 
     def on_save():
-        import socket as _sock
-        host_val = host_var.get().strip()
-        try:
-            _sock.inet_aton(host_val)
-        except OSError:
-            _show_error("Некорректный IP-адрес.")
+        merged = validate_config_form(
+            widgets,
+            DEFAULT_CONFIG,
+            include_autostart=_supports_autostart(),
+        )
+        if isinstance(merged, str):
+            _show_error(merged)
             return
 
-        try:
-            port_val = int(port_var.get().strip())
-            if not (1 <= port_val <= 65535):
-                raise ValueError
-        except ValueError:
-            _show_error("Порт должен быть числом 1-65535")
-            return
-
-        lines = [l.strip() for l in dc_textbox.get("1.0", "end").strip().splitlines()
-                 if l.strip()]
-        try:
-            tg_ws_proxy.parse_dc_ip_list(lines)
-        except ValueError as e:
-            _show_error(str(e))
-            return
-
-        new_cfg = {
-            "host": host_val,
-            "port": port_val,
-            "dc_ip": lines,
-            "verbose": verbose_var.get(),
-            "autostart": (autostart_var.get() if autostart_var is not None else False),
-        }
-
-        for i, key in enumerate(_adv_keys):
-            col_frame = _adv_entries[i]
-            entry = col_frame.winfo_children()[1]
-            try:
-                val = float(entry.get().strip())
-                if key in ("buf_kb", "pool_size"):
-                    val = int(val)
-                new_cfg[key] = val
-            except ValueError:
-                new_cfg[key] = DEFAULT_CONFIG[key]
+        new_cfg = merged
         save_config(new_cfg)
         _config.update(new_cfg)
         log.info("Config saved: %s", new_cfg)
@@ -467,6 +448,8 @@ def _edit_config_dialog():
 
         _tray_icon.menu = _build_menu()
 
+        # Win32 MessageBox из того же потока, что и mainloop CTk, блокирует обработку Tcl/Tk
+        # и даёт зависание; tkinter.messagebox согласован с циклом окна.
         from tkinter import messagebox
         if messagebox.askyesno("Перезапустить?",
                                "Настройки сохранены.\n\n"
@@ -480,21 +463,18 @@ def _edit_config_dialog():
     def on_cancel():
         root.destroy()
 
-    btn_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    btn_frame.pack(fill="x", pady=(20, 0))
-    ctk.CTkButton(btn_frame, text="Сохранить", height=38,
-                  font=(FONT_FAMILY, 14, "bold"), corner_radius=10,
-                  fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                  text_color="#ffffff",
-                  command=on_save).pack(side="left", fill="x", expand=True, padx=(0, 8))
-    ctk.CTkButton(btn_frame, text="Отмена", height=38,
-                  font=(FONT_FAMILY, 14), corner_radius=10,
-                  fg_color=FIELD_BG, hover_color=FIELD_BORDER,
-                  text_color=TEXT_PRIMARY, border_width=1,
-                  border_color=FIELD_BORDER,
-                  command=on_cancel).pack(side="right", fill="x", expand=True)
+    install_tray_config_buttons(
+        ctk, footer, theme, on_save=on_save, on_cancel=on_cancel)
 
-    root.mainloop()
+    try:
+        root.mainloop()
+    finally:
+        import tkinter as tk
+        try:
+            if root.winfo_exists():
+                root.destroy()
+        except tk.TclError:
+            pass
 
 
 def _on_open_logs(icon=None, item=None):
@@ -530,101 +510,41 @@ def _show_first_run():
 
     host = _config.get("host", DEFAULT_CONFIG["host"])
     port = _config.get("port", DEFAULT_CONFIG["port"])
-    tg_url = f"tg://socks?server={host}&port={port}"
 
     if ctk is None:
         FIRST_RUN_MARKER.touch()
         return
 
-    ctk.set_appearance_mode("light")
-    ctk.set_default_color_theme("blue")
-
-    TG_BLUE = "#3390ec"
-    TG_BLUE_HOVER = "#2b7cd4"
-    BG = "#ffffff"
-    FIELD_BG = "#f0f2f5"
-    FIELD_BORDER = "#d6d9dc"
-    TEXT_PRIMARY = "#000000"
-    TEXT_SECONDARY = "#707579"
-    FONT_FAMILY = "Segoe UI"
-
-    root = ctk.CTk()
-    root.title("TG WS Proxy")
-    root.resizable(False, False)
-    root.attributes("-topmost", True)
+    theme = ctk_theme_for_platform()
     icon_path = str(Path(__file__).parent / "icon.ico")
-    root.iconbitmap(icon_path)
+    w, h = FIRST_RUN_SIZE
+    root = create_ctk_root(
+        ctk,
+        title="TG WS Proxy",
+        width=w,
+        height=h,
+        theme=theme,
+        after_create=lambda r: r.iconbitmap(icon_path),
+    )
 
-    w, h = 520, 440
-    sw = root.winfo_screenwidth()
-    sh = root.winfo_screenheight()
-    root.geometry(f"{w}x{h}+{(sw-w)//2}+{(sh-h)//2}")
-    root.configure(fg_color=BG)
-
-    frame = ctk.CTkFrame(root, fg_color=BG, corner_radius=0)
-    frame.pack(fill="both", expand=True, padx=28, pady=24)
-
-    title_frame = ctk.CTkFrame(frame, fg_color="transparent")
-    title_frame.pack(anchor="w", pady=(0, 16), fill="x")
-
-    # Blue accent bar
-    accent_bar = ctk.CTkFrame(title_frame, fg_color=TG_BLUE,
-                              width=4, height=32, corner_radius=2)
-    accent_bar.pack(side="left", padx=(0, 12))
-
-    ctk.CTkLabel(title_frame, text="Прокси запущен и работает в системном трее",
-                 font=(FONT_FAMILY, 17, "bold"),
-                 text_color=TEXT_PRIMARY).pack(side="left")
-
-    # Info sections
-    sections = [
-        ("Как подключить Telegram Desktop:", True),
-        ("  Автоматически:", True),
-        (f"  ПКМ по иконке в трее → «Открыть в Telegram»", False),
-        (f"  Или ссылка: {tg_url}", False),
-        ("\n  Вручную:", True),
-        ("  Настройки → Продвинутые → Тип подключения → Прокси", False),
-        (f"  SOCKS5 → {host} : {port} (без логина/пароля)", False),
-    ]
-
-    for text, bold in sections:
-        weight = "bold" if bold else "normal"
-        ctk.CTkLabel(frame, text=text,
-                     font=(FONT_FAMILY, 13, weight),
-                     text_color=TEXT_PRIMARY,
-                     anchor="w", justify="left").pack(anchor="w", pady=1)
-
-    # Spacer
-    ctk.CTkFrame(frame, fg_color="transparent", height=16).pack()
-
-    # Separator
-    ctk.CTkFrame(frame, fg_color=FIELD_BORDER, height=1,
-                 corner_radius=0).pack(fill="x", pady=(0, 12))
-
-    # Checkbox
-    auto_var = ctk.BooleanVar(value=True)
-    ctk.CTkCheckBox(frame, text="Открыть прокси в Telegram сейчас",
-                    variable=auto_var, font=(FONT_FAMILY, 13),
-                    text_color=TEXT_PRIMARY,
-                    fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                    corner_radius=6, border_width=2,
-                    border_color=FIELD_BORDER).pack(anchor="w", pady=(0, 16))
-
-    def on_ok():
+    def on_done(open_tg: bool):
         FIRST_RUN_MARKER.touch()
-        open_tg = auto_var.get()
         root.destroy()
         if open_tg:
             _on_open_in_telegram()
 
-    ctk.CTkButton(frame, text="Начать", width=180, height=42,
-                  font=(FONT_FAMILY, 15, "bold"), corner_radius=10,
-                  fg_color=TG_BLUE, hover_color=TG_BLUE_HOVER,
-                  text_color="#ffffff",
-                  command=on_ok).pack(pady=(0, 0))
+    populate_first_run_window(
+        ctk, root, theme, host=host, port=port, on_done=on_done)
 
-    root.protocol("WM_DELETE_WINDOW", on_ok)
-    root.mainloop()
+    try:
+        root.mainloop()
+    finally:
+        import tkinter as tk
+        try:
+            if root.winfo_exists():
+                root.destroy()
+        except tk.TclError:
+            pass
 
 
 def _has_ipv6_enabled() -> bool:
@@ -633,8 +553,15 @@ def _has_ipv6_enabled() -> bool:
         addrs = _sock.getaddrinfo(_sock.gethostname(), None, _sock.AF_INET6)
         for addr in addrs:
             ip = addr[4][0]
-            if ip and not ip.startswith('::1') and not ip.startswith('fe80::1'):
-                return True
+            if not ip or ip.startswith("::1"):
+                continue
+            try:
+                if ipaddress.IPv6Address(ip).is_link_local:
+                    continue
+            except ValueError:
+                if ip.startswith("fe80:"):
+                    continue
+            return True
     except Exception:
         pass
     try:
@@ -699,13 +626,14 @@ def run_tray():
 
     setup_logging(_config.get("verbose", False),
                   log_max_mb=_config.get("log_max_mb", DEFAULT_CONFIG["log_max_mb"]))
-    log.info("TG WS Proxy tray app starting")
+    log.info("TG WS Proxy версия %s, tray app starting", __version__)
     log.info("Config: %s", _config)
     log.info("Log file: %s", LOG_FILE)
 
-    if pystray is None or Image is None:
-        log.error("pystray or Pillow not installed; "
-                  "running in console mode")
+    if pystray is None or Image is None or ctk is None:
+        log.error(
+            "pystray, Pillow or customtkinter not installed; "
+            "running in console mode")
         start_proxy()
         try:
             while True:
@@ -716,6 +644,8 @@ def run_tray():
 
     start_proxy()
 
+    _maybe_notify_update_async()
+
     _show_first_run()
     _check_ipv6_warning()