Add contact modal, success messages, form reset on open

app/main.py

@@ -487,6 +487,58 @@ async def request_access(request: Request, db: Session = Depends(get_db)):
     return {"ok": True}
 
 
+
+
+@app.post("/api/contact")
+async def contact_ruslan(request: Request):
+    import re as _re
+    try:
+        data = await request.json()
+    except Exception:
+        raise HTTPException(status_code=400, detail="Invalid JSON")
+
+    name  = str(data.get("name",  "")).strip()
+    email = str(data.get("email", "")).strip()
+    phone = str(data.get("phone", "")).strip()
+    text  = str(data.get("text",  "")).strip()
+
+    if not name or not email or not phone or not text:
+        raise HTTPException(status_code=422, detail="Заполните все обязательные поля")
+    if not _re.match(r"^[^\s@]+@[^\s@]+\.[^\s@]+$", email):
+        raise HTTPException(status_code=422, detail="Некорректный email")
+    if not _re.match(r"^[\+\d][\d\s\-\(\)]{6,18}$", phone):
+        raise HTTPException(status_code=422, detail="Некорректный номер телефона")
+
+    divider = "━━━━━━━━━━━━━━━━━━━━━━"
+    msg = (
+        f"🔔 *Сообщение через форму полигона*\n"
+        f"{divider}\n\n"
+        f"👤 *Имя:*  {name}\n"
+        f"📧 *Email:*  {email}\n"
+        f"📱 *Телефон:*  {phone}\n\n"
+        f"💬 *Сообщение:*\n{text}"
+    )
+
+    if not TELEGRAM_BOT_TOKEN or not TELEGRAM_CHAT_ID:
+        log_event("telegram_not_configured")
+        return {"ok": True}
+
+    try:
+        payload = _json.dumps({
+            "chat_id": TELEGRAM_CHAT_ID,
+            "text": msg,
+            "parse_mode": "Markdown",
+        }).encode()
+        url = f"{TELEGRAM_API_URL}{TELEGRAM_BOT_TOKEN}/sendMessage"
+        req = _urllib_request.Request(url, data=payload, headers={"Content-Type": "application/json"})
+        with _urllib_request.urlopen(req, timeout=10) as resp:
+            resp.read()
+    except Exception as e:
+        log_event("telegram_send_error", error=str(e))
+        raise HTTPException(status_code=502, detail="Ошибка отправки")
+
+    return {"ok": True}
+
 @app.post("/login")
 def login(
     request: Request,