Update app.py

app.py

@@ -10,40 +10,36 @@ from urllib.parse import unquote, parse_qs, quote
 import time
 from datetime import datetime
 import logging
+import threading
 from huggingface_hub import HfApi, hf_hub_download
-from huggingface_hub.utils import RepositoryNotFoundError
+from huggingface_hub.utils import RepositoryNotFoundError, HfHubHTTPError
 
-# Configuration
-BOT_TOKEN = os.getenv("BOT_TOKEN", "7566834146:AAGiG4MaTZZvvbTVsqEJVG5SYK5hUlc_Ewo") # Use env var or default
+# --- Configuration ---
+BOT_TOKEN = os.getenv("BOT_TOKEN", "7566834146:AAGiG4MaTZZvvbTVsqEJVG5SYK5hUlc_Ewo") # Use environment variable or default
 HOST = '0.0.0.0'
 PORT = 7860
 DATA_FILE = 'data.json' # File to store visited user data
 
-# Hugging Face Settings
-REPO_ID = os.getenv("HF_REPO_ID", "flpolprojects/teledata") # Your HF repo ID (e.g., YourUsername/YourDatasetName)
-HF_TOKEN_WRITE = os.getenv("HF_TOKEN_WRITE") # HF Write Token from env
-HF_TOKEN_READ = os.getenv("HF_TOKEN_READ", HF_TOKEN_WRITE) # HF Read Token from env (can be same as write)
-
-# Check if essential HF config is present
-if not HF_TOKEN_WRITE:
-    print("WARNING: HF_TOKEN_WRITE environment variable not set. Hugging Face uploads will fail.")
-if not REPO_ID:
-    print("WARNING: HF_REPO_ID environment variable not set. Using default 'Morshen/TeleUserData'.")
-
+# Hugging Face Hub Configuration
+REPO_ID = "flpolprojects/teledata"
+HF_TOKEN = os.getenv("HF_TOKEN") # Write token
+HF_TOKEN_READ = os.getenv("HF_TOKEN_READ", HF_TOKEN) # Read token (defaults to write token if not set)
+BACKUP_INTERVAL = 900 # Seconds (15 minutes)
 
 app = Flask(__name__)
+app.secret_key = os.urandom(24) # Needed for flash messages or sessions if used later
 
-# Setup logging
+# Logging Setup
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
-# --- Hugging Face Sync Functions ---
+# --- Hugging Face Hub Functions ---
 
 def download_db_from_hf():
-    if not HF_TOKEN_READ or not REPO_ID:
-        logging.warning("Skipping Hugging Face download: Read token or Repo ID missing.")
+    if not HF_TOKEN_READ:
+        logging.warning("HF_TOKEN_READ not set. Skipping download from Hugging Face Hub.")
         return False
     try:
-        logging.info(f"Attempting to download {DATA_FILE} from Hugging Face repo {REPO_ID}")
+        logging.info(f"Attempting to download {DATA_FILE} from {REPO_ID}...")
         hf_hub_download(
             repo_id=REPO_ID,
             filename=DATA_FILE,
@@ -51,78 +47,93 @@ def download_db_from_hf():
             token=HF_TOKEN_READ,
             local_dir=".",
             local_dir_use_symlinks=False,
-            force_download=True # Ensure latest version
+            force_download=True, # Ensure we get the latest version
+            resume_download=False
         )
-        logging.info(f"{DATA_FILE} successfully downloaded from Hugging Face.")
+        logging.info(f"{DATA_FILE} successfully downloaded from Hugging Face Hub.")
         return True
     except RepositoryNotFoundError:
-        logging.warning(f"Hugging Face repository {REPO_ID} not found. Will create local {DATA_FILE} if needed.")
+        logging.warning(f"Repository {REPO_ID} not found on Hugging Face Hub. Will use/create local file.")
         return False
-    except Exception as e:
-        # Specifically check for 404 which might mean the *file* doesn't exist yet
-        if "404 Client Error" in str(e):
-             logging.warning(f"{DATA_FILE} not found in Hugging Face repository {REPO_ID}. Will create local file if needed.")
+    except HfHubHTTPError as e:
+        if e.response.status_code == 404:
+             logging.warning(f"{DATA_FILE} not found in repository {REPO_ID}. Will use/create local file.")
         else:
-            logging.error(f"Error downloading {DATA_FILE} from Hugging Face: {e}")
+             logging.error(f"HTTP error downloading {DATA_FILE} from Hugging Face Hub: {e}")
+        return False
+    except Exception as e:
+        logging.error(f"Error downloading {DATA_FILE} from Hugging Face Hub: {e}")
         return False
 
 def upload_db_to_hf():
-    if not HF_TOKEN_WRITE or not REPO_ID:
-        logging.warning("Skipping Hugging Face upload: Write token or Repo ID missing.")
+    if not HF_TOKEN:
+        logging.warning("HF_TOKEN not set. Skipping upload to Hugging Face Hub.")
         return False
     if not os.path.exists(DATA_FILE):
-        logging.warning(f"Skipping Hugging Face upload: Local file {DATA_FILE} does not exist.")
+        logging.warning(f"{DATA_FILE} not found locally. Skipping upload.")
         return False
     try:
-        logging.info(f"Attempting to upload {DATA_FILE} to Hugging Face repo {REPO_ID}")
         api = HfApi()
+        logging.info(f"Attempting to upload {DATA_FILE} to {REPO_ID}...")
         api.upload_file(
             path_or_fileobj=DATA_FILE,
             path_in_repo=DATA_FILE,
             repo_id=REPO_ID,
             repo_type="dataset",
-            token=HF_TOKEN_WRITE,
-            commit_message=f"Update user data {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"
+            token=HF_TOKEN,
+            commit_message=f"Automated user data backup {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"
         )
-        logging.info(f"{DATA_FILE} successfully uploaded to Hugging Face.")
+        logging.info(f"{DATA_FILE} successfully uploaded to Hugging Face Hub.")
         return True
     except Exception as e:
-        logging.error(f"Error uploading {DATA_FILE} to Hugging Face: {e}")
+        logging.error(f"Error uploading {DATA_FILE} to Hugging Face Hub: {e}")
         return False
 
+def periodic_backup():
+    logging.info(f"Starting periodic backup thread. Interval: {BACKUP_INTERVAL} seconds.")
+    while True:
+        time.sleep(BACKUP_INTERVAL)
+        logging.info("Initiating scheduled backup...")
+        upload_db_to_hf()
+
 # --- Data Handling ---
 
-def load_data():
-    # Try to download the latest version first
+def load_users():
+    # Attempt download first
     download_db_from_hf()
+
+    if not os.path.exists(DATA_FILE):
+        logging.warning(f"{DATA_FILE} not found. Initializing empty user data.")
+        return {}
     try:
-        if os.path.exists(DATA_FILE):
-            with open(DATA_FILE, 'r', encoding='utf-8') as file:
-                data = json.load(file)
-                if not isinstance(data, dict): # Ensure it's a dictionary
-                    logging.warning(f"{DATA_FILE} does not contain a valid dictionary. Initializing empty data.")
-                    return {}
-                logging.info(f"Data successfully loaded from local {DATA_FILE}")
-                return data
-        else:
-            logging.info(f"Local file {DATA_FILE} not found. Initializing empty data.")
-            return {} # Return empty dict if file doesn't exist
+        with open(DATA_FILE, 'r', encoding='utf-8') as f:
+            users_data = json.load(f)
+            if not isinstance(users_data, dict):
+                logging.warning(f"{DATA_FILE} does not contain a valid JSON dictionary. Resetting.")
+                return {}
+            logging.info(f"Loaded {len(users_data)} user records from {DATA_FILE}.")
+            return users_data
     except json.JSONDecodeError:
         logging.error(f"Error decoding JSON from {DATA_FILE}. Returning empty data.")
+        # Consider backing up the corrupted file here
         return {}
     except Exception as e:
-        logging.error(f"Error loading data from {DATA_FILE}: {e}")
+        logging.error(f"Error loading user data from {DATA_FILE}: {e}")
         return {}
 
-def save_data(data):
+def save_users(users_data):
     try:
-        with open(DATA_FILE, 'w', encoding='utf-8') as file:
-            json.dump(data, file, ensure_ascii=False, indent=4)
-        logging.info(f"Data successfully saved to local {DATA_FILE}")
-        # Attempt to upload after saving locally
+        with open(DATA_FILE, 'w', encoding='utf-8') as f:
+            json.dump(users_data, f, ensure_ascii=False, indent=4)
+        logging.info(f"Saved {len(users_data)} user records to {DATA_FILE}.")
+        # Attempt upload after saving locally
         upload_db_to_hf()
     except Exception as e:
-        logging.error(f"Error saving data to {DATA_FILE}: {e}")
+        logging.error(f"Error saving user data to {DATA_FILE}: {e}")
+
+
+# Load initial data on startup
+visited_users = load_users()
 
 # --- Telegram Verification ---
 
@@ -132,12 +143,12 @@ def verify_telegram_data(init_data_str):
         received_hash = parsed_data.pop('hash', [None])[0]
 
         if not received_hash:
-            logging.warning("Verification failed: Hash missing in initData.")
+            logging.warning("Verification failed: No hash found in initData.")
             return None, False
 
         data_check_list = []
         for key, value in sorted(parsed_data.items()):
-            # Values from parse_qs are lists, take the first element
+            # Ensure values are strings before appending
             data_check_list.append(f"{key}={value[0]}")
         data_check_string = "\n".join(data_check_list)
 
@@ -147,16 +158,13 @@ def verify_telegram_data(init_data_str):
         if calculated_hash == received_hash:
             auth_date = int(parsed_data.get('auth_date', [0])[0])
             current_time = int(time.time())
-            # Allow slightly older data, maybe network latency. Adjust 3600 (1 hour) as needed.
-            if current_time - auth_date > 3600:
-                 logging.warning(f"Telegram InitData is older than 1 hour (Auth Date: {auth_date}, Current: {current_time}).")
-            # Log successful verification without printing sensitive parts
-            logging.info("Telegram data verified successfully.")
+            # Allow slightly older data, adjust timeout as needed (e.g., 3600 for 1 hour)
+            if current_time - auth_date > 86400: # 24 hours tolerance
+                 logging.warning(f"Telegram InitData is older than 24 hours (Auth Date: {auth_date}, Current: {current_time}).")
+            # logging.info("Telegram data verified successfully.")
             return parsed_data, True
         else:
-            logging.warning(f"Data verification failed. Calculated hash mismatch.")
-            # Avoid logging hashes directly in production for security
-            # logging.debug(f"Calculated: {calculated_hash}, Received: {received_hash}")
+            logging.warning(f"Data verification failed. Calculated: {calculated_hash}, Received: {received_hash}")
             return parsed_data, False
     except Exception as e:
         logging.error(f"Error verifying Telegram data: {e}")
@@ -169,106 +177,198 @@ TEMPLATE = """
 <html lang="ru">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=no">
-    <title>Morshen Group</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=no, viewport-fit=cover">
+    <title>Morshen Group - IT Holding</title>
     <script src="https://telegram.org/js/telegram-web-app.js"></script>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
     <style>
         :root {
-            --bg-color: #1c1c1e;
-            --card-bg: #2c2c2e;
-            --text-color: #ffffff;
-            --text-secondary-color: #a0a0a5;
-            --accent-gradient: linear-gradient(90deg, #007aff, #5856d6);
-            --accent-gradient-green: linear-gradient(90deg, #34c759, #30d158);
-            --tag-bg: rgba(255, 255, 255, 0.1);
+            --tg-theme-bg-color: var(--tg-bg-color, #181a1b);
+            --tg-theme-text-color: var(--tg-text-color, #ffffff);
+            --tg-theme-hint-color: var(--tg-hint-color, #aaaaaa);
+            --tg-theme-link-color: var(--tg-link-color, #8774e1);
+            --tg-theme-button-color: var(--tg-button-color, #8774e1);
+            --tg-theme-button-text-color: var(--tg-button-text-color, #ffffff);
+            --tg-theme-secondary-bg-color: var(--tg-secondary-bg-color, #222425);
+
+            --bg-color: var(--tg-theme-bg-color);
+            --card-bg: var(--tg-theme-secondary-bg-color);
+            --text-color: var(--tg-theme-text-color);
+            --text-secondary-color: var(--tg-theme-hint-color);
+            --accent-color: var(--tg-theme-button-color);
+            --accent-text-color: var(--tg-theme-button-text-color);
+            --link-color: var(--tg-theme-link-color);
+            --green-accent: #34c759;
+            --red-accent: #ff3b30;
+
             --border-radius-s: 8px;
             --border-radius-m: 12px;
             --border-radius-l: 16px;
-            --padding-s: 8px;
-            --padding-m: 16px;
-            --padding-l: 24px;
-            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
+            --padding-s: 10px;
+            --padding-m: 20px;
+            --padding-l: 30px;
+            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
+
+            --shadow-color: rgba(0, 0, 0, 0.2);
+            --card-shadow: 0 4px 15px var(--shadow-color);
+            --button-shadow: 0 3px 8px var(--shadow-color);
         }
+
         * { box-sizing: border-box; margin: 0; padding: 0; }
-        html { background-color: var(--bg-color); }
-        body {
+
+        html {
+            background-color: var(--bg-color);
+            color: var(--text-color);
             font-family: var(--font-family);
-            background: linear-gradient(180deg, #1a2a3a 0%, #101820 100%);
+            scroll-behavior: smooth;
+        }
+
+        body {
+            background: linear-gradient(180deg, color-mix(in srgb, var(--bg-color) 80%, black) 0%, var(--bg-color) 100%);
             color: var(--text-color);
             padding: var(--padding-m);
-            padding-bottom: 100px;
+            padding-bottom: 120px; /* Space for fixed button */
             overscroll-behavior-y: none;
             -webkit-font-smoothing: antialiased;
             -moz-osx-font-smoothing: grayscale;
+            line-height: 1.6;
             visibility: hidden; /* Hide until ready */
         }
-        .container { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--padding-l); }
-        .header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--padding-m); }
+
+        .container {
+            max-width: 650px;
+            margin: 0 auto;
+            display: flex;
+            flex-direction: column;
+            gap: var(--padding-l);
+        }
+
+        /* Header & Logo */
+        .header {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: var(--padding-s);
+        }
         .logo { display: flex; align-items: center; gap: var(--padding-s); }
         .logo img, .logo-icon {
-            width: 40px;
-            height: 40px;
+            width: 48px;
+            height: 48px;
             border-radius: 50%;
             background-color: var(--card-bg);
             object-fit: cover;
-            border: 1px solid rgba(255, 255, 255, 0.1);
+            border: 2px solid rgba(255, 255, 255, 0.1);
+            box-shadow: 0 2px 5px var(--shadow-color);
         }
-        .logo-icon { display: inline-flex; align-items: center; justify-content: center; font-weight: bold; color: var(--text-secondary-color); }
-        .logo span { font-size: 1.4em; font-weight: 600; }
+        .logo span { font-size: 1.6em; font-weight: 700; }
+
+        /* Buttons */
         .btn {
             display: inline-flex; align-items: center; justify-content: center;
-            padding: 10px var(--padding-m); border-radius: var(--border-radius-m);
-            background: var(--accent-gradient); color: var(--text-color);
-            text-decoration: none; font-weight: 500; border: none; cursor: pointer;
-            transition: opacity 0.2s ease; gap: 6px; font-size: 0.95em;
-        }
-        .btn:hover { opacity: 0.9; }
-        .btn-secondary { background: var(--card-bg); color: var(--accent-gradient-start, #007aff); }
-        .btn-secondary:hover { background: rgba(44, 44, 46, 0.8); }
+            padding: 12px var(--padding-m); border-radius: var(--border-radius-m);
+            background: var(--accent-color); color: var(--accent-text-color);
+            text-decoration: none; font-weight: 600; border: none; cursor: pointer;
+            transition: all 0.25s ease-out; gap: 8px; font-size: 1em;
+            box-shadow: var(--button-shadow);
+        }
+        .btn:hover {
+            opacity: 0.9;
+            transform: translateY(-2px);
+            box-shadow: 0 5px 12px var(--shadow-color);
+        }
+        .btn-secondary {
+            background: var(--card-bg);
+            color: var(--accent-color);
+            border: 1px solid color-mix(in srgb, var(--accent-color) 50%, transparent);
+        }
+        .btn-secondary:hover {
+            background: color-mix(in srgb, var(--card-bg) 90%, white);
+        }
+        .btn-green {
+            background: var(--green-accent); color: white;
+        }
+         .btn-green:hover {
+             background: color-mix(in srgb, var(--green-accent) 90%, black);
+         }
+
+        /* Tags */
+        .tag-container { margin: var(--padding-m) 0; display: flex; flex-wrap: wrap; gap: 8px; }
         .tag {
-            display: inline-block; background: var(--tag-bg); color: var(--text-secondary-color);
-            padding: 4px 10px; border-radius: var(--border-radius-s); font-size: 0.8em;
-            margin: 4px 4px 4px 0; white-space: nowrap;
+            display: inline-flex; align-items: center; gap: 5px;
+            background: color-mix(in srgb, var(--card-bg) 70%, var(--accent-color) 10%);
+            color: var(--text-secondary-color);
+            padding: 6px 12px; border-radius: var(--border-radius-s); font-size: 0.85em; font-weight: 500;
+            border: 1px solid rgba(255, 255, 255, 0.05);
         }
-        .tag i { margin-right: 4px; opacity: 0.7; }
+        .tag i { opacity: 0.8; }
+
+        /* Cards */
         .section-card {
-            background-color: var(--card-bg); border-radius: var(--border-radius-l);
-            padding: var(--padding-m); margin-bottom: var(--padding-l);
-        }
-        .section-title { font-size: 1.8em; font-weight: 700; margin-bottom: var(--padding-s); line-height: 1.2; }
-        .section-subtitle { font-size: 1.1em; font-weight: 500; color: var(--text-secondary-color); margin-bottom: var(--padding-m); }
-        .description { font-size: 1em; line-height: 1.5; color: var(--text-secondary-color); margin-bottom: var(--padding-m); }
-        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: var(--padding-s); margin-top: var(--padding-m); text-align: center; }
-        .stat-item { background-color: rgba(255, 255, 255, 0.05); padding: var(--padding-s); border-radius: var(--border-radius-m); }
-        .stat-value { font-size: 1.5em; font-weight: 600; display: block; }
-        .stat-label { font-size: 0.85em; color: var(--text-secondary-color); display: block; }
-        .list-item { background-color: var(--card-bg); padding: var(--padding-m); border-radius: var(--border-radius-m); margin-bottom: var(--padding-s); display: flex; align-items: center; gap: var(--padding-s); font-size: 1.1em; font-weight: 500; }
-        .list-item i { font-size: 1.2em; color: var(--accent-gradient-start, #34c759); opacity: 0.8; }
-        .centered-cta { text-align: center; margin-top: var(--padding-l); }
+            background-color: var(--card-bg);
+            border-radius: var(--border-radius-l);
+            padding: var(--padding-m);
+            margin-bottom: 0; /* Removed default bottom margin */
+            box-shadow: var(--card-shadow);
+            border: 1px solid rgba(255, 255, 255, 0.05);
+            transition: transform 0.2s ease, box-shadow 0.2s ease;
+        }
+        .section-card:hover {
+            transform: translateY(-3px);
+            box-shadow: 0 8px 25px var(--shadow-color);
+        }
+
+        /* Typography */
+        .section-title { font-size: 2em; font-weight: 800; margin-bottom: var(--padding-s); line-height: 1.2; }
+        .section-subtitle { font-size: 1.2em; font-weight: 500; color: var(--text-secondary-color); margin-bottom: var(--padding-m); }
+        .description { font-size: 1em; line-height: 1.7; color: var(--text-secondary-color); margin-bottom: var(--padding-m); }
+
+        /* Stats Grid */
+        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: var(--padding-s); margin-top: var(--padding-m); text-align: center; }
+        .stat-item { background-color: rgba(255, 255, 255, 0.05); padding: var(--padding-s) var(--padding-m); border-radius: var(--border-radius-m); }
+        .stat-value { font-size: 1.7em; font-weight: 700; display: block; }
+        .stat-label { font-size: 0.8em; color: var(--text-secondary-color); display: block; text-transform: uppercase; letter-spacing: 0.5px; }
+
+        /* List Items */
+        .list-container { display: flex; flex-direction: column; gap: var(--padding-s); margin-top: var(--padding-s); }
+        .list-item { background-color: color-mix(in srgb, var(--card-bg) 80%, black); padding: var(--padding-m); border-radius: var(--border-radius-m); display: flex; align-items: center; gap: var(--padding-m); font-size: 1.1em; font-weight: 500; }
+        .list-item i { font-size: 1.4em; color: var(--accent-color); opacity: 0.9; width: 25px; text-align: center; }
+
+        /* Footer */
         .footer-greeting { text-align: center; color: var(--text-secondary-color); font-size: 0.9em; margin-top: var(--padding-l); }
+
+        /* Fixed Button */
         .save-card-button {
             position: fixed;
-            bottom: 20px;
+            bottom: 25px;
             left: 50%;
             transform: translateX(-50%);
-            padding: 12px 24px;
-            border-radius: 25px;
-            background: var(--accent-gradient-green);
-            color: var(--text-color);
+            padding: 14px 28px;
+            border-radius: 30px;
+            background: var(--green-accent);
+            color: white;
             text-decoration: none;
-            font-weight: 600;
+            font-weight: 700;
             border: none;
             cursor: pointer;
-            transition: opacity 0.2s ease, transform 0.2s ease;
+            transition: all 0.3s ease;
             z-index: 1000;
-            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
-            font-size: 1em;
+            box-shadow: 0 6px 20px rgba(52, 199, 89, 0.4);
+            font-size: 1.1em;
             display: flex;
             align-items: center;
-            gap: 8px;
+            gap: 10px;
+            white-space: nowrap;
         }
-        .save-card-button:hover { opacity: 0.9; transform: translateX(-50%) scale(1.03); }
+        .save-card-button:hover {
+            opacity: 0.9;
+            transform: translateX(-50%) scale(1.05);
+            box-shadow: 0 8px 25px rgba(52, 199, 89, 0.5);
+        }
+        .save-card-button i { font-size: 1.2em; }
 
+        /* Modal Styles */
         .modal {
             display: none; /* Hidden by default */
             position: fixed; /* Stay in place */
@@ -278,68 +378,102 @@ TEMPLATE = """
             width: 100%; /* Full width */
             height: 100%; /* Full height */
             overflow: auto; /* Enable scroll if needed */
-            background-color: rgba(0,0,0,0.6); /* Black w/ opacity */
-            padding-top: 60px; /* Location of the box */
+            background-color: rgba(0,0,0,0.7); /* Black w/ opacity */
+            backdrop-filter: blur(5px);
+            -webkit-backdrop-filter: blur(5px);
+            padding-top: 10vh; /* Location of the box */
+            animation: fadeIn 0.3s ease-out;
         }
+        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
         .modal-content {
             background-color: var(--card-bg, #2c2c2e);
             color: var(--text-color, #ffffff);
             margin: 5% auto; /* 5% from the top and centered */
-            padding: var(--padding-l, 24px);
+            padding: var(--padding-l, 30px);
             border: 1px solid rgba(255, 255, 255, 0.1);
-            width: 85%; /* Could be more or less, depending on screen size */
-            max-width: 450px;
+            width: 90%; /* Could be more or less, depending on screen size */
+            max-width: 480px;
             border-radius: var(--border-radius-l, 16px);
             text-align: center;
             position: relative;
-            box-shadow: 0 5px 20px rgba(0,0,0,0.3);
+            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
+            animation: slideIn 0.4s ease-out;
         }
+         @keyframes slideIn { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
         .modal-close {
             color: var(--text-secondary-color, #aaa);
             position: absolute;
-            top: 10px;
-            right: 15px;
-            font-size: 28px;
+            top: 15px;
+            right: 20px;
+            font-size: 32px;
             font-weight: bold;
             cursor: pointer;
             line-height: 1;
+            transition: color 0.2s ease;
         }
         .modal-close:hover,
         .modal-close:focus {
             color: var(--text-color, #fff);
             text-decoration: none;
         }
+        .modal-title {
+            font-size: 1.5em;
+            font-weight: 700;
+            margin-bottom: var(--padding-s);
+        }
         .modal-text {
-            font-size: 1.1em;
+            font-size: 1.2em;
             line-height: 1.6;
-            margin-bottom: var(--padding-m, 16px);
+            margin-bottom: var(--padding-s);
             word-wrap: break-word;
+            font-weight: 500;
+        }
+        .modal-text strong {
+            font-weight: 700;
+            color: var(--accent-color);
         }
         .modal-instruction {
-             font-size: 0.9em;
+             font-size: 1em;
              color: var(--text-secondary-color, #a0a0a5);
-             margin-top: var(--padding-s, 8px);
-        }
-
-        .icon-save::before { content: '💾'; margin-right: 5px; }
-        .icon-web::before { content: '🌐'; margin-right: 5px; }
-        .icon-mobile::before { content: '📱'; margin-right: 5px; }
-        .icon-code::before { content: '💻'; margin-right: 5px; }
-        .icon-ai::before { content: '🧠'; margin-right: 5px; }
-        .icon-quantum::before { content: '⚛️'; margin-right: 5px; }
-        .icon-business::before { content: '💼'; margin-right: 5px; }
-        .icon-speed::before { content: '⚡️'; margin-right: 5px; }
-        .icon-complexity::before { content: '🧩'; margin-right: 5px; }
-        .icon-experience::before { content: '⏳'; margin-right: 5px; }
-        .icon-clients::before { content: '👥'; margin-right: 5px; }
-        .icon-market::before { content: '📈'; margin-right: 5px; }
-        .icon-location::before { content: '📍'; margin-right: 5px; }
-        .icon-global::before { content: '🌍'; margin-right: 5px; }
-        .icon-innovation::before { content: '💡'; margin-right: 5px; }
-        .icon-contact::before { content: '💬'; margin-right: 5px; }
-        .icon-link::before { content: '🔗'; margin-right: 5px; }
-        .icon-leader::before { content: '🏆'; margin-right: 5px; }
-        .icon-company::before { content: '🏢'; margin-right: 5px; }
+             margin-top: var(--padding-m);
+             font-style: italic;
+        }
+
+        /* Icons */
+        .icon { display: inline-block; font-style: normal; margin-right: 8px; }
+        .icon-save::before { content: '💾'; }
+        .icon-web::before { content: '🌐'; }
+        .icon-mobile::before { content: '📱'; }
+        .icon-code::before { content: '💻'; }
+        .icon-ai::before { content: '🧠'; }
+        .icon-quantum::before { content: '⚛️'; }
+        .icon-business::before { content: '💼'; }
+        .icon-speed::before { content: '⚡️'; }
+        .icon-complexity::before { content: '🧩'; }
+        .icon-experience::before { content: '⏳'; }
+        .icon-clients::before { content: '👥'; }
+        .icon-market::before { content: '📈'; }
+        .icon-location::before { content: '📍'; }
+        .icon-global::before { content: '🌍'; }
+        .icon-innovation::before { content: '💡'; }
+        .icon-contact::before { content: '💬'; }
+        .icon-link::before { content: '🔗'; }
+        .icon-leader::before { content: '🏆'; }
+        .icon-company::before { content: '🏢'; }
+
+        /* Responsive */
+        @media (max-width: 600px) {
+            body { padding: var(--padding-s); padding-bottom: 100px; }
+            .container { gap: var(--padding-m); }
+            .section-title { font-size: 1.8em; }
+            .section-subtitle { font-size: 1.1em; }
+            .btn { padding: 10px var(--padding-m); font-size: 0.95em; }
+            .save-card-button { padding: 12px 24px; font-size: 1em; bottom: 20px; }
+            .modal-content { width: 95%; padding: var(--padding-m); }
+            .modal-title { font-size: 1.3em; }
+            .modal-text { font-size: 1.1em; }
+            .modal-instruction { font-size: 0.9em; }
+        }
     </style>
 </head>
 <body>
@@ -351,56 +485,52 @@ TEMPLATE = """
                      <img src="https://huggingface.co/spaces/Aleksmorshen/Telemap8/resolve/main/morshengroup.jpg" alt="Morshen Group Logo">
                     <span>Morshen Group</span>
                 </div>
-                <a href="#" class="btn contact-link"><i class="icon-contact"></i>Связаться</a>
+                <a href="#" class="btn btn-secondary contact-link"><i class="icon icon-contact"></i>Связаться</a>
             </div>
-            <div>
-                <span class="tag"><i class="icon-leader"></i>Лидер инноваций 2025</span>
+            <div class="tag-container">
+                <span class="tag"><i class="icon icon-leader"></i>Лидер инноваций 2025</span>
+                 <span class="tag"><i class="icon icon-global"></i>Международный Холдинг</span>
             </div>
-            <h1 class="section-title">Международный IT холдинг</h1>
+            <h1 class="section-title">Создаем будущее IT сегодня</h1>
             <p class="description">
-                Объединяем передовые технологические компании для создания инновационных
-                решений мирового уровня.
+                Мы — международный IT холдинг, объединяющий передовые технологические компании для создания прорывных решений мирового уровня в сферах AI, квантовых вычислений и разработки ПО.
             </p>
-             <a href="#" class="btn contact-link" style="background: var(--accent-gradient-green); width: 100%; margin-top: var(--padding-s);">
-                 <i class="icon-contact"></i>Связаться с нами
+             <a href="#" class="btn btn-green contact-link" style="width: 100%; margin-top: var(--padding-s);">
+                 <i class="icon icon-contact"></i>Обсудить ваш проект
              </a>
         </section>
 
          <section class="ecosystem-header">
-             <span class="tag"><i class="icon-company"></i>Наши компании</span>
-             <h2 class="section-title">Экосистема инноваций</h2>
+             <h2 class="section-title">Экосистема <span style="color: var(--accent-color);">Инноваций</span></h2>
              <p class="description">
-                 В состав холдинга входят компании, специализирующиеся на различных
-                 направлениях передовых технологий.
+                 В состав холдинга входят специализированные компании, каждая из которых является экспертом в своей области передовых технологий.
              </p>
          </section>
 
         <section class="section-card">
             <div class="logo">
                  <img src="https://huggingface.co/spaces/Aleksmorshen/Telemap8/resolve/main/morshengroup.jpg" alt="Morshen Alpha Logo">
-                <span style="font-size: 1.3em; font-weight: 600;">Morshen Alpha</span>
+                <span style="font-size: 1.5em; font-weight: 600;">Morshen Alpha</span>
             </div>
-            <div style="margin: var(--padding-m) 0;">
-                <span class="tag"><i class="icon-ai"></i>Искусственный интеллект</span>
-                <span class="tag"><i class="icon-quantum"></i>Квантовые технологии</span>
-                <span class="tag"><i class="icon-business"></i>Бизнес-решения</span>
+            <div class="tag-container">
+                <span class="tag"><i class="icon icon-ai"></i>Искусственный интеллект</span>
+                <span class="tag"><i class="icon icon-quantum"></i>Квантовые технологии</span>
+                <span class="tag"><i class="icon icon-business"></i>Стратегические решения</span>
             </div>
             <p class="description">
-                Флагманская компания холдинга, специализирующаяся на разработке передовых
-                бизнес-решений, исследованиях и разработках в сфере искусственного интеллекта
-                и квантовых технологий. Наши инновации формируют будущее технологической индустрии.
+                Флагман холдинга. Занимаемся R&D в области AI и квантовых технологий, разрабатываем передовые бизнес-решения, формирующие будущее индустрии.
             </p>
             <div class="stats-grid">
                 <div class="stat-item">
-                    <span class="stat-value"><i class="icon-global"></i> 3</span>
-                    <span class="stat-label">Страны присутствия</span>
+                    <span class="stat-value"><i class="icon icon-global"></i> 3+</span>
+                    <span class="stat-label">Страны</span>
                 </div>
                 <div class="stat-item">
-                    <span class="stat-value"><i class="icon-clients"></i> 3000+</span>
-                    <span class="stat-label">Готовых клиентов</span>
+                    <span class="stat-value"><i class="icon icon-clients"></i> 3K+</span>
+                    <span class="stat-label">Клиенты</span>
                 </div>
                 <div class="stat-item">
-                    <span class="stat-value"><i class="icon-market"></i> 5</span>
+                    <span class="stat-value"><i class="icon icon-market"></i> 5+</span>
                     <span class="stat-label">Лет на рынке</span>
                 </div>
             </div>
@@ -409,106 +539,97 @@ TEMPLATE = """
         <section class="section-card">
              <div class="logo">
                  <img src="https://huggingface.co/spaces/holmgardstudio/dev/resolve/main/image.jpg" alt="Holmgard Logo" style="width: 50px; height: 50px;">
-                <span style="font-size: 1.3em; font-weight: 600;">Holmgard</span>
+                <span style="font-size: 1.5em; font-weight: 600;">Holmgard Studio</span>
             </div>
-             <div style="margin: var(--padding-m) 0;">
-                 <span class="tag"><i class="icon-web"></i>Веб-разработка</span>
-                 <span class="tag"><i class="icon-mobile"></i>Мобильные приложения</span>
-                 <span class="tag"><i class="icon-code"></i>Программное обеспечение</span>
+             <div class="tag-container">
+                 <span class="tag"><i class="icon icon-web"></i>Веб-разработка</span>
+                 <span class="tag"><i class="icon icon-mobile"></i>Мобильные приложения</span>
+                 <span class="tag"><i class="icon icon-code"></i>Энтерпрайз ПО</span>
              </div>
              <p class="description">
-                Инновационная студия разработки, создающая высокотехнологичные решения
-                для бизнеса любого масштаба. Специализируется на разработке сайтов,
-                мобильных приложений и программного обеспечения с использованием
-                передовых технологий и методологий.
+                Студия разработки полного цикла. Создаем высокотехнологичные веб-сайты, мобильные приложения и кастомное ПО для бизнеса любого масштаба, используя современные стеки и методологии.
              </p>
              <div class="stats-grid">
                  <div class="stat-item">
-                     <span class="stat-value"><i class="icon-experience"></i> 10+</span>
+                     <span class="stat-value"><i class="icon icon-experience"></i> 10+</span>
                      <span class="stat-label">Лет опыта</span>
                  </div>
                  <div class="stat-item">
-                     <span class="stat-value"><i class="icon-complexity"></i> ПО</span>
-                     <span class="stat-label">Любой сложности</span>
+                     <span class="stat-value"><i class="icon icon-complexity"></i> Highload</span>
+                     <span class="stat-label">Сложные проекты</span>
                  </div>
                  <div class="stat-item">
-                     <span class="stat-value"><i class="icon-speed"></i></span>
-                     <span class="stat-label">Высокая скорость</span>
+                     <span class="stat-value"><i class="icon icon-speed"></i> Agile</span>
+                     <span class="stat-label">Быстрый запуск</span>
                  </div>
              </div>
              <div style="display: flex; gap: var(--padding-s); margin-top: var(--padding-m); flex-wrap: wrap;">
-                 <a href="https://holmgard.ru" target="_blank" class="btn btn-secondary" style="flex-grow: 1;"><i class="icon-link"></i>Перейти на сайт</a>
-                 <a href="#" class="btn contact-link" style="flex-grow: 1;"><i class="icon-contact"></i>Связаться</a>
+                 <a href="https://holmgard.ru" target="_blank" class="btn btn-secondary" style="flex-grow: 1;"><i class="icon icon-link"></i>На сайт</a>
+                 <a href="#" class="btn contact-link" style="flex-grow: 1;"><i class="icon icon-contact"></i>Связаться</a>
              </div>
         </section>
 
         <section>
-            <span class="tag"><i class="icon-global"></i>Глобальное присутствие</span>
-            <h2 class="section-title">Международное присутствие</h2>
-            <p class="description">Наши инновационные решения используются в странах:</p>
-            <div>
-                <div class="list-item"><i class="icon-location"></i>Узбекистан</div>
-                <div class="list-item"><i class="icon-location"></i>Каза��стан</div>
-                <div class="list-item"><i class="icon-location"></i>Кыргызстан</div>
+            <h2 class="section-title"><i class="icon icon-global"></i> Глобальное Присутствие</h2>
+            <p class="description">Наши решения и команды работают в ключевых регионах Центральной Азии:</p>
+            <div class="list-container">
+                <div class="list-item"><i class="icon icon-location"></i>Узбекистан</div>
+                <div class="list-item"><i class="icon icon-location"></i>Казахстан</div>
+                <div class="list-item"><i class="icon icon-location"></i>Кыргызстан</div>
             </div>
         </section>
 
         <footer class="footer-greeting">
-             <p id="greeting">Загрузка данных пользователя...</p>
+             <p id="greeting">Загрузка данных...</p>
         </footer>
 
     </div>
 
     <button class="save-card-button" id="save-card-btn">
-        <i class="icon-save"></i>Сохранить визитку
+        <i class="icon icon-save"></i>Сохранить визитку
     </button>
 
+    <!-- The Modal -->
     <div id="saveModal" class="modal">
       <div class="modal-content">
         <span class="modal-close" id="modal-close-btn">×</span>
-        <p class="modal-text"><b>+996500398754</b></p>
-        <p class="modal-text">Morshen Group, IT компания</p>
-        <p class="modal-instruction">Сделайте скриншот экрана, чтобы сохранить контакт.</p>
+        <h3 class="modal-title">Контактная информация</h3>
+        <p class="modal-text"><strong>+996 500 398 754</strong></p>
+        <p class="modal-text">Morshen Group, IT Holding</p>
+        <p class="modal-instruction">Сделайте скриншот, чтобы сохранить контакт.</p>
       </div>
     </div>
 
+
     <script>
         const tg = window.Telegram.WebApp;
 
+        function applyTheme(themeParams) {
+            document.documentElement.style.setProperty('--tg-bg-color', themeParams.bg_color || '#181a1b');
+            document.documentElement.style.setProperty('--tg-text-color', themeParams.text_color || '#ffffff');
+            document.documentElement.style.setProperty('--tg-hint-color', themeParams.hint_color || '#aaaaaa');
+            document.documentElement.style.setProperty('--tg-link-color', themeParams.link_color || '#8774e1');
+            document.documentElement.style.setProperty('--tg-button-color', themeParams.button_color || '#8774e1');
+            document.documentElement.style.setProperty('--tg-button-text-color', themeParams.button_text_color || '#ffffff');
+            document.documentElement.style.setProperty('--tg-secondary-bg-color', themeParams.secondary_bg_color || '#222425');
+            console.log("Theme applied:", themeParams);
+        }
+
         function setupTelegram() {
             if (!tg || !tg.initData) {
                  console.error("Telegram WebApp script not loaded or initData is missing.");
                  const greetingElement = document.getElementById('greeting');
-                 if(greetingElement) greetingElement.textContent = 'Не удалось загрузить данные Telegram.';
-                 document.body.style.visibility = 'visible';
+                 if(greetingElement) greetingElement.textContent = 'Ошибка загрузки Telegram.';
+                 document.body.style.visibility = 'visible'; // Show body anyway
                  return;
              }
 
             tg.ready();
             tg.expand();
+            applyTheme(tg.themeParams);
+            tg.onEvent('themeChanged', () => applyTheme(tg.themeParams)); // Listen for theme changes
 
-            const themeParams = tg.themeParams;
-            document.documentElement.style.setProperty('--bg-color', themeParams.bg_color || '#1c1c1e');
-            document.documentElement.style.setProperty('--text-color', themeParams.text_color || '#ffffff');
-            document.documentElement.style.setProperty('--hint-color', themeParams.hint_color || '#a0a0a5');
-            document.documentElement.style.setProperty('--link-color', themeParams.link_color || '#007aff');
-            document.documentElement.style.setProperty('--button-color', themeParams.button_color || '#007aff');
-            document.documentElement.style.setProperty('--button-text-color', themeParams.button_text_color || '#ffffff');
-            document.documentElement.style.setProperty('--card-bg', themeParams.secondary_bg_color || '#2c2c2e');
-             if (themeParams.button_color) {
-                 document.documentElement.style.setProperty('--accent-gradient-start', themeParams.button_color);
-                 // Adjust button gradients if needed based on theme
-                 document.querySelectorAll('.btn').forEach(btn => {
-                     if (!btn.classList.contains('btn-secondary') && !btn.style.background.includes('green')) { // Avoid overriding special buttons
-                        btn.style.background = themeParams.button_color;
-                     }
-                 });
-                  document.querySelectorAll('.save-card-button').forEach(btn => {
-                     // Optional: theme the save button too, or keep it green
-                     // btn.style.background = themeParams.button_color;
-                 });
-             }
-
+             // Send initData for verification and user logging
              fetch('/verify', {
                  method: 'POST',
                  headers: {
@@ -522,33 +643,35 @@ TEMPLATE = """
                      console.log('Backend verification successful.');
                  } else {
                      console.warn('Backend verification failed:', data.message);
-                     // Optionally inform user verification failed if critical
-                     // tg.showAlert('Не удалось проверить ваши данные.');
+                     // Optionally show a non-intrusive warning
                  }
              })
              .catch(error => {
                  console.error('Error sending initData for verification:', error);
-                  // tg.showAlert('Произошла ошибка при связи с сервером.');
              });
 
+             // User Greeting (using unsafe data for immediate feedback)
              const user = tg.initDataUnsafe?.user;
              const greetingElement = document.getElementById('greeting');
              if (user) {
-                 const name = user.first_name || user.username || 'User';
-                 greetingElement.textContent = `Добро пожаловать, ${name}! 👋`;
+                 const name = user.first_name || user.username || 'Гость';
+                 greetingElement.textContent = `Приветствуем, ${name}! 👋`;
              } else {
                  greetingElement.textContent = 'Добро пожаловать!';
-                 console.warn('Telegram User data not available (initDataUnsafe.user is empty).');
+                 console.warn('Telegram User data (initDataUnsafe.user) not available.');
              }
 
+             // Contact Links
              const contactButtons = document.querySelectorAll('.contact-link');
              contactButtons.forEach(button => {
                  button.addEventListener('click', (e) => {
                      e.preventDefault();
-                     tg.openTelegramLink('https://t.me/morshenkhan');
+                     tg.openTelegramLink('https://t.me/morshenkhan'); // Replace with actual contact username
+                     if (tg.HapticFeedback) tg.HapticFeedback.impactOccurred('light');
                  });
              });
 
+             // Modal Setup
              const modal = document.getElementById("saveModal");
              const saveCardBtn = document.getElementById("save-card-btn");
              const closeBtn = document.getElementById("modal-close-btn");
@@ -557,17 +680,16 @@ TEMPLATE = """
                  saveCardBtn.addEventListener('click', (e) => {
                      e.preventDefault();
                      modal.style.display = "block";
-                     if (tg.HapticFeedback) {
-                        tg.HapticFeedback.impactOccurred('light');
-                     }
+                     if (tg.HapticFeedback) tg.HapticFeedback.notificationOccurred('success');
                  });
 
                  closeBtn.addEventListener('click', () => {
                      modal.style.display = "none";
                  });
 
-                 window.addEventListener('click', (event) => {
-                     if (event.target == modal) {
+                 // Close modal if clicked outside the content
+                 modal.addEventListener('click', (event) => { // Listen on modal overlay itself
+                     if (event.target === modal) {
                          modal.style.display = "none";
                      }
                  });
@@ -575,23 +697,26 @@ TEMPLATE = """
                  console.error("Modal elements not found!");
              }
 
-             document.body.style.visibility = 'visible';
+             document.body.style.visibility = 'visible'; // Make body visible now
+             console.log("Telegram Mini App setup complete.");
          }
 
+        // Initialize Telegram WebApp
         if (window.Telegram && window.Telegram.WebApp) {
             setupTelegram();
         } else {
+            console.warn("Telegram WebApp script not immediately available. Waiting for load event.");
             window.addEventListener('load', setupTelegram);
+             // Further fallback timeout
              setTimeout(() => {
                  if (document.body.style.visibility !== 'visible') {
-                      console.error("Telegram WebApp script fallback timeout triggered.");
+                      console.error("Telegram WebApp script loading fallback timeout triggered.");
                       const greetingElement = document.getElementById('greeting');
-                      if(greetingElement) greetingElement.textContent = 'Ошибка загрузки Telegram.';
-                      document.body.style.visibility = 'visible';
+                      if(greetingElement) greetingElement.textContent = 'Ошибка загрузки интерфейса.';
+                      document.body.style.visibility = 'visible'; // Force display anyway
                   }
-             }, 3000);
+             }, 4000); // Increased timeout
         }
-
     </script>
 </body>
 </html>
@@ -603,130 +728,141 @@ ADMIN_TEMPLATE = """
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Admin - Visited Users</title>
+    <title>Admin - Посетители</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
     <style>
-        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: #f0f2f5; color: #1c1c1e; margin: 0; padding: 20px; }
-        h1, h2 { text-align: center; color: #333; font-weight: 600; }
-        .container { max-width: 1200px; margin: 20px auto; background-color: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
-        .user-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
-        .user-card { background-color: #f8f9fa; border: 1px solid #dee2e6; border-radius: 8px; padding: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); display: flex; flex-direction: column; align-items: center; text-align: center; transition: transform 0.2s ease, box-shadow 0.2s ease; }
-        .user-card:hover { transform: translateY(-3px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
-        .user-card img { width: 70px; height: 70px; border-radius: 50%; margin-bottom: 12px; object-fit: cover; border: 2px solid #ced4da; background-color: #e9ecef; }
-        .user-card .name { font-weight: 600; font-size: 1.1em; margin-bottom: 4px; color: #212529; }
-        .user-card .username { color: #007bff; margin-bottom: 8px; font-size: 0.95em; word-break: break-all; }
-        .user-card .details { font-size: 0.9em; color: #495057; line-height: 1.4; }
-        .user-card .timestamp { font-size: 0.8em; color: #6c757d; margin-top: 12px; }
-        .no-users { text-align: center; color: #6c757d; margin-top: 30px; font-size: 1.1em; }
-        .alert { background-color: #fff3cd; border-left: 6px solid #ffc107; margin-bottom: 20px; padding: 12px 18px; color: #856404; border-radius: 4px; text-align: center; font-weight: 500;}
-        .action-buttons { margin-top: 30px; text-align: center; padding-bottom: 10px;}
-        .action-buttons button {
-             padding: 10px 18px; border: none; border-radius: 8px;
-             background-color: #007bff; color: white;
-             font-weight: 500; cursor: pointer; margin: 0 10px;
-             transition: background-color 0.2s ease, box-shadow 0.2s ease;
-             font-size: 0.95em;
-         }
-         .action-buttons button:hover { background-color: #0056b3; box-shadow: 0 2px 8px rgba(0, 123, 255, 0.4); }
-         .action-buttons .backup-btn { background-color: #28a745; }
-         .action-buttons .backup-btn:hover { background-color: #218838; box-shadow: 0 2px 8px rgba(40, 167, 69, 0.4); }
-         .action-buttons .download-btn { background-color: #17a2b8; }
-         .action-buttons .download-btn:hover { background-color: #138496; box-shadow: 0 2px 8px rgba(23, 162, 184, 0.4); }
-
-         /* Spinner */
-        .loader {
-            border: 4px solid #f3f3f3; border-radius: 50%; border-top: 4px solid #3498db;
-            width: 20px; height: 20px; animation: spin 1s linear infinite;
-            display: none; /* Hidden by default */ margin: 5px auto 0;
-        }
-        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
-        .button-loading .loader { display: inline-block; vertical-align: middle; margin-left: 8px; margin-top: -2px; }
-        button:disabled { opacity: 0.7; cursor: not-allowed; }
+        :root {
+            --admin-bg-color: #1f2937; /* Dark Gray */
+            --admin-card-bg: #374151; /* Medium Gray */
+            --admin-text-color: #f3f4f6; /* Light Gray */
+            --admin-text-secondary-color: #9ca3af; /* Gray */
+            --admin-accent-color: #60a5fa; /* Blue */
+            --admin-border-color: #4b5563; /* Darker Gray */
+            --admin-shadow-color: rgba(0, 0, 0, 0.3);
+            --border-radius: 12px;
+            --padding: 20px;
+        }
+        body {
+            font-family: 'Inter', sans-serif;
+            background-color: var(--admin-bg-color);
+            color: var(--admin-text-color);
+            margin: 0;
+            padding: var(--padding);
+            line-height: 1.6;
+        }
+        .container { max-width: 1200px; margin: 0 auto; }
+        h1 { text-align: center; color: var(--admin-accent-color); font-weight: 700; margin-bottom: 30px; }
+        .controls { display: flex; justify-content: center; gap: 15px; margin-bottom: 30px; flex-wrap: wrap;}
+        .control-btn {
+            padding: 10px 20px;
+            border: none;
+            border-radius: 8px;
+            background-color: var(--admin-accent-color);
+            color: #fff;
+            font-weight: 600;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            box-shadow: 0 2px 5px var(--admin-shadow-color);
+        }
+        .control-btn:hover {
+            background-color: #3b82f6; /* Darker Blue */
+            transform: translateY(-1px);
+            box-shadow: 0 4px 10px var(--admin-shadow-color);
+        }
+        .control-btn.download { background-color: #34d399; } /* Green */
+        .control-btn.download:hover { background-color: #059669; }
+        .user-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--padding); }
+        .user-card {
+            background-color: var(--admin-card-bg);
+            border-radius: var(--border-radius);
+            padding: var(--padding);
+            box-shadow: 0 4px 15px var(--admin-shadow-color);
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            text-align: center;
+            border: 1px solid var(--admin-border-color);
+            transition: transform 0.2s ease, box-shadow 0.2s ease;
+        }
+        .user-card:hover {
+            transform: translateY(-4px);
+            box-shadow: 0 8px 25px var(--admin-shadow-color);
+        }
+        .user-card img {
+            width: 90px;
+            height: 90px;
+            border-radius: 50%;
+            margin-bottom: 15px;
+            object-fit: cover;
+            border: 3px solid var(--admin-border-color);
+            background-color: var(--admin-bg-color); /* Placeholder bg */
+        }
+        .user-card .name { font-weight: 700; font-size: 1.2em; margin-bottom: 5px; color: var(--admin-text-color); }
+        .user-card .username { color: var(--admin-accent-color); margin-bottom: 10px; font-size: 0.95em; font-weight: 500; }
+        .user-card .details { font-size: 0.9em; color: var(--admin-text-secondary-color); word-break: break-all; line-height: 1.5; }
+        .user-card .timestamp { font-size: 0.8em; color: var(--admin-text-secondary-color); margin-top: 15px; font-style: italic; }
+        .no-users { text-align: center; color: var(--admin-text-secondary-color); margin-top: 40px; font-size: 1.1em; }
+        .alert {
+            background-color: #f87171; /* Red */
+            color: #fff;
+            border-left: 6px solid #dc2626; /* Darker Red */
+            margin-bottom: 25px;
+            padding: 15px 20px;
+            border-radius: 8px;
+            text-align: center;
+            font-weight: 600;
+            box-shadow: 0 2px 5px var(--admin-shadow-color);
+        }
+        a { color: var(--admin-accent-color); text-decoration: none; }
+        a:hover { text-decoration: underline; }
     </style>
 </head>
 <body>
     <div class="container">
-        <h1>Admin Panel</h1>
-        <div class="alert">WARNING: This panel is not password protected. Implement authentication for production use.</div>
+        <h1>Панель Администратора - Посетители</h1>
+        <div class="alert">ВНИМАНИЕ: Этот раздел не защищен! Добавьте аутентификацию для реального использования.</div>
 
-        <div class="action-buttons">
-            <form id="backup-form" method="POST" action="{{ url_for('backup') }}" style="display: inline;">
-                <button type="submit" class="backup-btn" id="backup-btn">Backup to HF <span class="loader"></span></button>
+        <div class="controls">
+            <form method="POST" action="{{ url_for('backup_route') }}" style="display: inline;">
+                <button type="submit" class="control-btn">Создать Резервную Копию</button>
             </form>
-            <form id="download-form" method="POST" action="{{ url_for('download') }}" style="display: inline;">
-                 <button type="submit" class="download-btn" id="download-btn">Download from HF <span class="loader"></span></button>
+            <form method="GET" action="{{ url_for('download_route') }}" style="display: inline;">
+                <button type="submit" class="control-btn download">Скачать Базу Данных</button>
             </form>
+             <button class="control-btn" onclick="window.location.reload();">Обновить Список</button>
         </div>
 
-        <h2>Visited Users</h2>
         {% if users %}
             <div class="user-grid">
                 {% for user in users|sort(attribute='visited_at', reverse=true) %}
                     <div class="user-card">
-                        <img src="{{ user.photo_url if user.photo_url else 'data:image/svg+xml;charset=UTF-8,%3csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 100 100%27%3e%3crect width=%27100%27 height=%27100%27 fill=%27%23e9ecef%27/%3e%3ctext x=%2750%25%27 y=%2755%25%27 dominant-baseline=%27middle%27 text-anchor=%27middle%27 font-size=%2745%27 font-family=%27sans-serif%27 fill=%27%23adb5bd%27%3e?%3c/text%3e%3c/svg%3e' }}" alt="User Avatar">
+                        <img src="{{ user.photo_url if user.photo_url else 'data:image/svg+xml;charset=UTF-8,%3csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 100 100%27%3e%3crect width=%27100%27 height=%27100%27 fill=%27%234b5563%27/%3e%3ctext x=%2750%25%27 y=%2750%25%27 dominant-baseline=%27middle%27 text-anchor=%27middle%27 font-size=%2745%27 font-family=%27sans-serif%27 fill=%27%239ca3af%27%3e?%3c/text%3e%3c/svg%3e' }}" alt="User Avatar" loading="lazy">
                         <div class="name">{{ user.first_name or '' }} {{ user.last_name or '' }}</div>
                         {% if user.username %}
-                            <div class="username"><a href="https://t.me/{{ user.username }}" target="_blank" title="Open profile">@{{ user.username }}</a></div>
+                            <div class="username"><a href="https://t.me/{{ user.username }}" target="_blank">@{{ user.username }}</a></div>
                         {% else %}
-                            <div class="username">- no username -</div>
+                             <div class="username">Нет username</div>
                         {% endif %}
                         <div class="details">
                             ID: {{ user.id }} <br>
-                            Lang: {{ user.language_code or 'N/A' }} <br>
+                            Язык: {{ user.language_code or 'N/A' }} <br>
+                            Телефон: <span style="color: var(--admin-text-secondary-color); font-style: italic;">Недоступен</span>
                         </div>
-                         <div class="timestamp">Last Visit: {{ user.visited_at_str }}</div>
+                         <div class="timestamp">Визит: {{ user.visited_at_str }}</div>
                     </div>
                 {% endfor %}
             </div>
         {% else %}
-            <p class="no-users">No user visit data recorded yet.</p>
+            <p class="no-users">Пока нет данных о посетителях.</p>
         {% endif %}
     </div>
-
-    <script>
-        function handleFormSubmit(formId, buttonId) {
-            const form = document.getElementById(formId);
-            const button = document.getElementById(buttonId);
-            const loader = button.querySelector('.loader');
-
-            form.addEventListener('submit', function(event) {
-                event.preventDefault(); // Prevent default form submission
-
-                button.disabled = true;
-                loader.style.display = 'inline-block';
-                button.classList.add('button-loading');
-
-                fetch(form.action, {
-                    method: form.method,
-                    // No body needed for these actions unless sending data
-                })
-                .then(response => response.json()) // Expect JSON response
-                .then(data => {
-                    alert(data.message || 'Operation completed.'); // Show feedback
-                    if(formId === 'download-form' && data.success) {
-                         // Reload page after successful download to show updated data
-                         window.location.reload();
-                    }
-                })
-                .catch(error => {
-                    console.error('Error:', error);
-                    alert('An error occurred.');
-                })
-                .finally(() => {
-                    // Re-enable button and hide loader regardless of success/failure
-                    button.disabled = false;
-                    loader.style.display = 'none';
-                    button.classList.remove('button-loading');
-                });
-            });
-        }
-
-        handleFormSubmit('backup-form', 'backup-btn');
-        handleFormSubmit('download-form', 'download-btn');
-    </script>
 </body>
 </html>
 """
 
+
 # --- Flask Routes ---
 
 @app.route('/')
@@ -735,37 +871,32 @@ def index():
 
 @app.route('/verify', methods=['POST'])
 def verify_data():
-    start_time = time.time()
+    global visited_users
     try:
         data = request.get_json()
         init_data_str = data.get('initData')
         if not init_data_str:
-            logging.warning("Received request to /verify with missing initData.")
+            logging.warning("Verification request missing initData.")
             return jsonify({"status": "error", "message": "Missing initData"}), 400
 
-        # We parse the data *before* verification to potentially log user ID even on failure
-        user_info_dict = {}
-        parsed_data, is_valid = verify_telegram_data(init_data_str)
+        user_data_parsed, is_valid = verify_telegram_data(init_data_str)
 
-        if parsed_data and 'user' in parsed_data:
+        user_info_dict = {}
+        if user_data_parsed and 'user' in user_data_parsed:
             try:
-                # Make sure to decode the URL-encoded JSON string
-                user_json_str = unquote(parsed_data['user'][0])
+                # Decode JSON string within the 'user' field
+                user_json_str = unquote(user_data_parsed['user'][0])
                 user_info_dict = json.loads(user_json_str)
-            except Exception as e:
-                logging.error(f"Could not parse user JSON from initData: {e}")
+            except (KeyError, IndexError, json.JSONDecodeError, TypeError) as e:
+                logging.error(f"Could not parse user JSON from initData: {e} - Data: {user_data_parsed.get('user')}")
                 user_info_dict = {} # Ensure it's a dict even on error
 
-        user_id = user_info_dict.get('id')
-
         if is_valid:
+            user_id = user_info_dict.get('id')
             if user_id:
-                # Load current data, update, and save
-                all_user_data = load_data()
+                user_id_str = str(user_id) # Use string keys for JSON consistency
                 now = time.time()
-                # Ensure ID is stored as string key for JSON compatibility
-                user_id_str = str(user_id)
-                all_user_data[user_id_str] = {
+                update_data = {
                      'id': user_id,
                      'first_name': user_info_dict.get('first_name'),
                      'last_name': user_info_dict.get('last_name'),
@@ -773,70 +904,88 @@ def verify_data():
                      'photo_url': user_info_dict.get('photo_url'),
                      'language_code': user_info_dict.get('language_code'),
                      'visited_at': now,
-                     'visited_at_str': datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S UTC') # Use UTC
+                     'visited_at_str': datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S UTC') # Explicit UTC
                  }
-                save_data(all_user_data) # Save triggers HF upload
-                logging.info(f"Verified and recorded visit for user ID: {user_id}. Processing time: {time.time() - start_time:.4f}s")
-            else:
-                 logging.warning("Verification successful, but user ID missing in parsed data.")
+                # Update the global dictionary and save
+                visited_users[user_id_str] = update_data
+                save_users(visited_users) # Save after modification
+                logging.info(f"User visit recorded/updated for ID: {user_id_str}")
 
             return jsonify({"status": "ok", "verified": True, "user": user_info_dict}), 200
         else:
-            logging.warning(f"Verification failed for user ID: {user_id if user_id else 'Unknown'}. Processing time: {time.time() - start_time:.4f}s")
+            logging.warning(f"Verification failed for user ID: {user_info_dict.get('id', 'Unknown')}")
             return jsonify({"status": "error", "verified": False, "message": "Invalid data"}), 403
 
     except Exception as e:
-        logging.error(f"Error in /verify endpoint: {e}", exc_info=True)
+        logging.exception("Critical error in /verify endpoint") # Log full traceback
         return jsonify({"status": "error", "message": "Internal server error"}), 500
 
 @app.route('/admin')
 def admin_panel():
     # WARNING: This route is unprotected! Add proper authentication/authorization for production.
-    user_data = load_data()
-    users_list = list(user_data.values())
+    # Load fresh data for admin view, though 'visited_users' global should be up-to-date
+    current_users = load_users()
+    users_list = list(current_users.values())
+    logging.info(f"Admin panel accessed. Displaying {len(users_list)} users.")
     return render_template_string(ADMIN_TEMPLATE, users=users_list)
 
 @app.route('/backup', methods=['POST'])
-def backup():
-    # WARNING: Protect this route in production
-    success = upload_db_to_hf()
-    if success:
-        return jsonify({"success": True, "message": "Backup to Hugging Face initiated successfully."}), 200
+def backup_route():
+    # Manual backup trigger
+    # WARNING: Unprotected route
+    logging.info("Manual backup requested via /backup route.")
+    if upload_db_to_hf():
+        # Optionally add a success message (e.g., using flash)
+        pass
     else:
-        return jsonify({"success": False, "message": "Backup to Hugging Face failed. Check logs."}), 500
-
-@app.route('/download', methods=['POST'])
-def download():
-    # WARNING: Protect this route in production
-    success = download_db_from_hf()
-    if success:
-         return jsonify({"success": True, "message": f"{DATA_FILE} downloaded successfully from Hugging Face. Refresh page to see changes."}), 200
+        # Optionally add an error message
+        pass
+    return redirect(url_for('admin_panel')) # Redirect back to admin
+
+@app.route('/download', methods=['GET'])
+def download_route():
+    # Manual download trigger
+    # WARNING: Unprotected route
+    global visited_users
+    logging.info("Manual download requested via /download route.")
+    if download_db_from_hf():
+        visited_users = load_users() # Reload data after download
+        # Optionally add a success message
     else:
-        # It might fail because the repo/file doesn't exist, which isn't necessarily a server error
-         return jsonify({"success": False, "message": f"Failed to download {DATA_FILE} from Hugging Face. It might not exist yet. Check logs."}), 404
+        # Optionally add an error message
+        pass
+    return redirect(url_for('admin_panel')) # Redirect back to admin
 
 
 # --- Main Execution ---
 
 if __name__ == '__main__':
-    # Initial load attempt on startup
-    logging.info("Application starting. Attempting initial data load...")
-    load_data()
-
-    print(f"\n--- SECURITY WARNING ---")
-    print(f"The /admin, /backup, /download routes are NOT password protected.")
-    print(f"Anyone knowing the URL can access visitor data and trigger backups/downloads.")
-    print(f"Implement proper authentication before deploying to production.")
-    print(f"------------------------")
-    print(f"Starting Flask server on http://{HOST}:{PORT}")
-    print(f"User data will be stored in: {DATA_FILE}")
-    if REPO_ID and HF_TOKEN_WRITE and HF_TOKEN_READ:
-         print(f"Hugging Face sync enabled for repo: {REPO_ID}")
+    # Initial check for HF tokens
+    if not HF_TOKEN:
+        logging.warning("!!! HF_TOKEN environment variable is not set. Uploads to Hugging Face Hub will be disabled.")
+    if not HF_TOKEN_READ:
+        logging.warning("!!! HF_TOKEN_READ environment variable is not set. Downloads from Hugging Face Hub will be disabled (falling back to local file).")
+
+    # Start the periodic backup thread
+    if HF_TOKEN: # Only start if upload is possible
+        backup_thread = threading.Thread(target=periodic_backup, daemon=True)
+        backup_thread.start()
     else:
-         print(f"Hugging Face sync DISABLED (missing REPO_ID, HF_TOKEN_WRITE, or HF_TOKEN_READ)")
-    print(f"Using Bot Token ID: {BOT_TOKEN.split(':')[0]}")
-
-    # Use a production server like Gunicorn or Waitress instead of app.run() for deployment
-    # Example using waitress: waitress-serve --host=0.0.0.0 --port=7860 app:app
-    # For development:
-    app.run(host=HOST, port=PORT, debug=False) # Keep debug=False unless troubleshooting
+        logging.warning("Periodic backup thread not started because HF_TOKEN is not set.")
+
+
+    logging.warning("--- SECURITY WARNING ---")
+    logging.warning("The /admin, /backup, /download routes are NOT protected by authentication.")
+    logging.warning("Anyone knowing the URL can access visitor data and trigger actions.")
+    logging.warning("Implement proper security (e.g., password protection, IP restriction) before deploying.")
+    logging.warning("------------------------")
+    logging.info(f"Starting Flask server on http://{HOST}:{PORT}")
+    logging.info(f"Ensure this address is accessible and configured in BotFather for your Mini App.")
+    logging.info(f"Using Bot Token ID: {BOT_TOKEN.split(':')[0]}")
+    logging.info(f"User data file: {DATA_FILE}")
+    logging.info(f"Hugging Face Repo: {REPO_ID}")
+
+    # Use Waitress or Gunicorn for production instead of app.run()
+    # from waitress import serve
+    # serve(app, host=HOST, port=PORT)
+    app.run(host=HOST, port=PORT, debug=False) # debug=False for production