Update app.py

app.py

@@ -16,6 +16,8 @@ from functools import wraps
 from urllib.parse import quote
 import zipfile
 import tempfile
+import pytz
+from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 app = Flask(__name__)
 app.secret_key = os.getenv("FLASK_SECRET_KEY", "supersecretkey_folders_unique_tma")
@@ -39,6 +41,7 @@ BASE_STYLE = '''
     --text-dark: #e0e0e0; --text-muted: #888; --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
     --glass-bg: rgba(30, 30, 30, 0.7); --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
     --delete-color: #ff4444; --folder-color: #ffc107; --selection-color: rgba(139, 92, 246, 0.3);
+    --note-color: #6a5acd;
 }
 @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
 * { margin: 0; padding: 0; box-sizing: border-box; }
@@ -47,13 +50,14 @@ body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Robo
 .container { margin: 0 auto; max-width: 1200px; padding: 75px 15px 15px 15px; }
 .app-header { position: fixed; top: 0; left: 0; right: 0; background: var(--glass-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.1); z-index: 1000; padding: 10px 20px; display: flex; justify-content: space-between; align-items: center; }
 .user-info { font-weight: 600; }
+.view-toggle { display: flex; align-items: center; gap: 5px; }
 .view-toggle button { background: none; border: none; color: var(--text-muted); font-size: 1.2em; padding: 5px; cursor: pointer; transition: var(--transition); }
 .view-toggle button:hover, .view-toggle button.active { color: var(--primary); }
 h2 { font-size: 1.3em; margin-bottom: 15px; margin-top: 15px; color: var(--text-dark); }
 .breadcrumbs { font-size: 1em; margin-bottom: 20px; white-space: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
 .breadcrumbs a { color: var(--accent); text-decoration: none; }
 .breadcrumbs span { margin: 0 5px; color: var(--text-muted); }
-input, select { width: 100%; padding: 14px; margin: 8px 0; border: 1px solid #333; border-radius: 12px; background: #2a2a2a; color: var(--text-dark); font-size: 1em; }
+input, select, textarea { width: 100%; padding: 14px; margin: 8px 0; border: 1px solid #333; border-radius: 12px; background: #2a2a2a; color: var(--text-dark); font-size: 1em; }
 .btn { padding: 12px 24px; background: var(--primary); color: white; border: none; border-radius: 12px; cursor: pointer; font-size: 1em; font-weight: 600; transition: var(--transition); text-decoration: none; display: inline-block; text-align: center; }
 .btn:hover { filter: brightness(1.2); }
 .btn:active { transform: scale(0.98); }
@@ -70,6 +74,7 @@ input, select { width: 100%; padding: 14px; margin: 8px 0; border: 1px solid #33
 .item-preview-wrapper { position: relative; width: 100%; padding-top: 75%; border-radius: 10px; overflow: hidden; margin-bottom: 10px; background: #2a2a2a; }
 .item-preview { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
 .item.folder .item-preview { object-fit: contain; font-size: 3.5em; color: var(--folder-color); }
+.item.note .item-preview { object-fit: contain; font-size: 3.5em; color: var(--note-color); }
 .item-name { font-size: 0.9em; font-weight: 500; word-break: break-all; margin: 5px 0; flex-grow: 1; }
 .item-info { font-size: 0.75em; color: var(--text-muted); }
 .item-actions { display: none; }
@@ -77,7 +82,7 @@ input, select { width: 100%; padding: 14px; margin: 8px 0; border: 1px solid #33
 .file-grid.list-view .item { flex-direction: row; align-items: center; text-align: left; padding: 8px; }
 .file-grid.list-view .item:hover { transform: translateY(0); }
 .file-grid.list-view .item-preview-wrapper { width: 45px; height: 45px; padding-top: 0; margin-bottom: 0; margin-right: 15px; flex-shrink: 0; }
-.file-grid.list-view .item.folder .item-preview { font-size: 1.8em; }
+.file-grid.list-view .item.folder .item-preview, .file-grid.list-view .item.note .item-preview { font-size: 1.8em; }
 .file-grid.list-view .item-name-info { flex-grow: 1; }
 .modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.85); z-index: 2000; justify-content: center; align-items: center; }
 .modal-content { display: flex; flex-direction: column; max-width: 95%; max-height: 95%; background: var(--card-bg-dark); padding: 10px; border-radius: 15px; overflow: hidden; position: relative; }
@@ -97,6 +102,9 @@ input, select { width: 100%; padding: 14px; margin: 8px 0; border: 1px solid #33
 .fab { width: 56px; height: 56px; background: var(--accent); border-radius: 50%; border: none; box-shadow: var(--shadow); color: white; font-size: 24px; display: flex; justify-content: center; align-items: center; cursor: pointer; transition: transform 0.3s; }
 .fab:active { transform: scale(0.9); }
 .loading-spinner { border: 4px solid #f3f3f3; border-top: 4px solid var(--primary); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: auto; }
+.reminder-item { display: flex; justify-content: space-between; align-items: center; padding: 8px; border-bottom: 1px solid #333; }
+.reminder-item:last-child { border-bottom: none; }
+.reminder-item button { background: var(--delete-color); color: white; border: none; border-radius: 50%; width: 24px; height: 24px; cursor: pointer; }
 '''
 
 def find_node_by_id(filesystem, node_id):
@@ -159,15 +167,15 @@ def get_all_folders(filesystem, exclude_ids=None):
     traverse(filesystem, "")
     return sorted(folders, key=lambda x: x['name'].lower())
 
-def count_files_recursive(node):
+def count_items_recursive(node):
     if not node or not isinstance(node, dict):
         return 0
     count = 0
-    if node.get('type') == 'file':
+    if node.get('type') in ['file', 'note']:
         count += 1
     if node.get('type') == 'folder' and 'children' in node:
         for child in node.get('children', []):
-            count += count_files_recursive(child)
+            count += count_items_recursive(child)
     return count
 
 def initialize_user_filesystem_tma(user_data, tma_user_id_str):
@@ -199,6 +207,7 @@ def load_data():
         data.setdefault('users', {})
         for tma_user_id_str, user_data_item in data['users'].items():
             initialize_user_filesystem_tma(user_data_item, tma_user_id_str)
+            user_data_item.setdefault('reminders', [])
         return data
     except Exception as e:
         logging.error(f"Error loading data: {e}")
@@ -242,6 +251,45 @@ def periodic_backup():
         upload_db_to_hf()
         time.sleep(1800)
 
+def send_telegram_message(chat_id, text):
+    if not TELEGRAM_BOT_TOKEN:
+        logging.warning("TELEGRAM_BOT_TOKEN is not set. Cannot send message.")
+        return
+    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage"
+    payload = {"chat_id": chat_id, "text": text, "parse_mode": "HTML"}
+    try:
+        response = requests.post(url, json=payload)
+        response.raise_for_status()
+        logging.info(f"Sent message to {chat_id}")
+    except requests.exceptions.RequestException as e:
+        logging.error(f"Failed to send Telegram message to {chat_id}: {e}")
+
+def check_reminders():
+    while True:
+        try:
+            data = load_data()
+            now_utc = datetime.now(pytz.utc)
+            made_changes = False
+            for user_id, user_data in data.get('users', {}).items():
+                if 'reminders' in user_data:
+                    for reminder in user_data['reminders']:
+                        if not reminder.get('notified', False):
+                            due_time_str = reminder.get('due_datetime_utc')
+                            if due_time_str:
+                                due_time_utc = datetime.fromisoformat(due_time_str.replace('Z', '+00:00')).replace(tzinfo=pytz.utc)
+                                if now_utc >= due_time_utc:
+                                    telegram_id = user_data.get('telegram_id')
+                                    if telegram_id:
+                                        message_text = f"🔔 <b>Напоминание:</b>\n\n{reminder['text']}"
+                                        send_telegram_message(telegram_id, message_text)
+                                        reminder['notified'] = True
+                                        made_changes = True
+            if made_changes:
+                save_data(data)
+        except Exception as e:
+            logging.error(f"Error in check_reminders thread: {e}")
+        time.sleep(60)
+
 def get_file_type(filename):
     filename_lower = filename.lower()
     if filename_lower.endswith(('.mp4', '.mov', '.avi', '.webm', '.mkv')): return 'video'
@@ -316,6 +364,7 @@ def auth_via_telegram():
         if tma_user_id_str not in data['users']:
             user_info['created_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
             user_info['filesystem'] = {"type": "folder", "id": "root", "name": "root", "children": []}
+            user_info['reminders'] = []
             data['users'][tma_user_id_str] = user_info
             initialize_user_filesystem_tma(data['users'][tma_user_id_str], tma_user_id_str)
         else:
@@ -345,6 +394,7 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
 <div class="app-header">
     <div class="user-info">{{ display_name }}</div>
     <div class="view-toggle">
+        <button id="reminders-btn" title="Напоминания"><i class="fa-solid fa-bell"></i></button>
         <button id="grid-view-btn" title="Сетка"><i class="fa fa-th-large"></i></button>
         <button id="list-view-btn" title="Список"><i class="fa fa-bars"></i></button>
     </div>
@@ -364,10 +414,19 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
 <div id="progress-container"><div id="progress-bar"></div></div>
 <div class="file-grid" id="file-container">
     {% for item in items %}
-        <div class="item {{ item.type }}" data-id="{{ item.id }}" data-type="{{ item.type }}" {% if item.type != 'folder' %}onclick="openModal('{{ hf_file_url_jinja(item.path) if item.file_type not in ['text', 'pdf'] else (url_for('get_text_content_tma', file_id=item.id) if item.file_type == 'text' else hf_file_url_jinja(item.path, True)) }}', '{{ item.file_type }}', '{{ item.id }}')"{% else %}onclick="window.Telegram.WebApp.HapticFeedback.impactOccurred('light'); window.location.href='{{ url_for('tma_dashboard', folder_id=item.id) }}'"{% endif %}>
+        <div class="item {{ item.type }}" data-id="{{ item.id }}" data-type="{{ item.type }}" 
+        {% if item.type == 'folder' %}
+            onclick="window.Telegram.WebApp.HapticFeedback.impactOccurred('light'); window.location.href='{{ url_for('tma_dashboard', folder_id=item.id) }}'"
+        {% elif item.type == 'note' %}
+            onclick="openNoteModal('{{ item.id }}')"
+        {% else %}
+            onclick="openModal('{{ hf_file_url_jinja(item.path) if item.file_type not in ['text', 'pdf'] else (url_for('get_text_content_tma', file_id=item.id) if item.file_type == 'text' else hf_file_url_jinja(item.path, True)) }}', '{{ item.file_type }}', '{{ item.id }}')"
+        {% endif %}>
             <div class="item-preview-wrapper">
             {% if item.type == 'folder' %}
                 <div class="item-preview"><i class="fa-solid fa-folder"></i></div>
+            {% elif item.type == 'note' %}
+                <div class="item-preview"><i class="fa-solid fa-note-sticky"></i></div>
             {% elif item.type == 'file' %}
                 {% if item.file_type == 'image' %}<img class="item-preview" src="{{ hf_file_url_jinja(item.path) }}" loading="lazy">
                 {% elif item.file_type == 'video' %}<video class="item-preview" preload="metadata" muted loading="lazy"><source src="{{ hf_file_url_jinja(item.path, True) }}#t=0.5"></video>
@@ -378,8 +437,9 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
             {% endif %}
             </div>
             <div class="item-name-info">
-                <p class="item-name">{{ item.name if item.type == 'folder' else item.original_filename | truncate(30, True) }}</p>
-                {% if item.type == 'file' %}<p class="item-info">{{ item.upload_date }}</p>{% endif %}
+                <p class="item-name">{{ (item.title if item.type == 'note' else item.name if item.type == 'folder' else item.original_filename) | truncate(30, True) }}</p>
+                {% if item.type == 'file' %}<p class="item-info">{{ item.upload_date }}</p>
+                {% elif item.type == 'note' %}<p class="item-info">{{ item.modified_date }}</p>{% endif %}
             </div>
         </div>
     {% endfor %}
@@ -423,6 +483,7 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
         <label for="file-input" class="btn" style="width:100%; margin-bottom: 10px; background: var(--secondary);"><i class="fa-solid fa-upload"></i> Загрузить файлы</label>
         <button type="submit" id="upload-btn-modal" style="display:none;"></button>
     </form>
+    <button class="btn" style="width:100%; margin-bottom: 10px; background: var(--note-color);" onclick="openNoteModal()"><i class="fa-solid fa-note-sticky"></i> Создать заметку</button>
     <form method="POST" action="{{ url_for('create_folder_tma') }}">
         <input type="hidden" name="parent_folder_id" value="{{ current_folder_id }}">
         <input type="text" name="folder_name" placeholder="Имя новой папки" required>
@@ -431,31 +492,49 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
     <button class="btn" style="background: #555; width: 100%; margin-top: 10px;" onclick="closeFabModal()">Отмена</button>
 </div></div>
 
+<div class="modal" id="note-modal"><div class="modal-content" style="padding: 20px; max-width: 500px; width: 90%;">
+    <h4 id="note-modal-title">Новая заметка</h4>
+    <input type="hidden" id="note-id-input">
+    <input type="text" id="note-title-input" placeholder="Заголовок заметки" style="font-size: 1.1em; margin-bottom: 10px;">
+    <textarea id="note-content-input" placeholder="Текст заметки..." style="width: 100%; height: 40vh; background: #2a2a2a; color: var(--text-dark); border: 1px solid #333; border-radius: 12px; padding: 10px; font-size: 1em; resize: vertical;"></textarea>
+    <div style="display: flex; gap: 10px; margin-top: 15px;">
+        <button class="btn" style="background: var(--accent); flex-grow: 1;" onclick="saveNote()">Сохранить</button>
+        <button class="btn" style="background: #555; flex-grow: 1;" onclick="closeNoteModal()">Отмена</button>
+    </div>
+</div></div>
+
+<div class="modal" id="reminders-modal"><div class="modal-content" style="padding: 20px; max-width: 500px; width: 90%;">
+    <h4>Напоминания</h4>
+    <div id="reminders-list" style="max-height: 40vh; overflow-y: auto; margin-bottom: 15px; font-size: 0.9em;"></div>
+    <h5 style="margin-top: 15px;">Новое напоминание</h5>
+    <input type="text" id="reminder-text-input" placeholder="Текст напоминания" required>
+    <input type="datetime-local" id="reminder-datetime-input" required>
+    <div style="display: flex; gap: 10px; margin-top: 15px;">
+        <button class="btn" style="background: var(--accent); flex-grow: 1;" onclick="createReminder()">Создать</button>
+        <button class="btn" style="background: #555; flex-grow: 1;" onclick="closeRemindersModal()">Закрыть</button>
+    </div>
+</div></div>
+
 <div class="fab-container"><button id="fab" class="fab"><i class="fa-solid fa-plus"></i></button></div>
 
 <script>
     window.Telegram.WebApp.ready();
     window.Telegram.WebApp.expand();
-
     const haptic = window.Telegram.WebApp.HapticFeedback;
-
     async function openModal(srcOrUrl, type, itemId) {
         if (!srcOrUrl) return;
         haptic.impactOccurred('light');
         const modal = document.getElementById('mediaModal');
         const modalContent = document.getElementById('modalContent');
         const downloadBtn = document.getElementById('modal-download-btn');
-
         modalContent.innerHTML = '<div class="loading-spinner"></div>';
         modal.style.display = 'flex';
-
         if (type !== 'folder' && itemId) {
             downloadBtn.onclick = () => { initiateDownload(itemId); };
             downloadBtn.style.display = 'inline-block';
         } else {
             downloadBtn.style.display = 'none';
         }
-
         try {
             if (type === 'image') modalContent.innerHTML = `<img src="${srcOrUrl}">`;
             else if (type === 'video') modalContent.innerHTML = `<video controls autoplay loop playsinline><source src="${srcOrUrl}"></video>`;
@@ -467,7 +546,6 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
             } else initiateDownload(itemId);
         } catch (error) { modalContent.innerHTML = `<p>Ошибка предпросмотра: ${error.message}</p>`; }
     }
-
     function closeModal(event) { if (event.target.id === 'mediaModal') closeModalManual(); }
     function closeModalManual() {
         const modal = document.getElementById('mediaModal');
@@ -476,38 +554,26 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
         document.getElementById('modalContent').innerHTML = '';
         document.getElementById('modal-download-btn').style.display = 'none';
     }
-    
     async function initiateDownload(fileId) {
         haptic.impactOccurred('medium');
         const downloadBtn = document.getElementById('modal-download-btn');
         const originalHTML = downloadBtn.innerHTML;
         downloadBtn.innerHTML = '<div class="loading-spinner" style="width:20px; height:20px; border-width:2px;"></div>';
         downloadBtn.onclick = null;
-
         try {
             const response = await fetch(`{{ url_for('download_tma', file_id='__FILE_ID__') }}`.replace('__FILE_ID__', fileId));
             const data = await response.json();
             if (data.status === 'success' && data.url) {
                 tmaDownloadFile(data.url);
                 closeModalManual();
-            } else {
-                Telegram.WebApp.showAlert(data.message || 'Не удалось создать ссылку для скачивания.');
-            }
-        } catch (error) {
-            Telegram.WebApp.showAlert('Сетевая ошибка при создании ссылки для скачивания.');
-        } finally {
-            if (downloadBtn) {
-                downloadBtn.innerHTML = originalHTML;
-                downloadBtn.onclick = () => { initiateDownload(fileId); };
-            }
-        }
+            } else { Telegram.WebApp.showAlert(data.message || 'Не удалось создать ссылку для скачивания.'); }
+        } catch (error) { Telegram.WebApp.showAlert('Сетевая ошибка при создании ссылки для скачивания.'); }
+        finally { if (downloadBtn) { downloadBtn.innerHTML = originalHTML; downloadBtn.onclick = () => { initiateDownload(fileId); }; } }
     }
-
     function tmaDownloadFile(downloadUrl) {
         if (window.Telegram && window.Telegram.WebApp && Telegram.WebApp.openLink) { Telegram.WebApp.openLink(downloadUrl, {try_instant_view: false}); }
         else { window.open(downloadUrl, '_blank'); }
     }
-
     document.getElementById('upload-form')?.addEventListener('submit', function(e) {
         e.preventDefault(); const files = document.getElementById('file-input').files;
         if (files.length === 0) { Telegram.WebApp.showAlert('Выберите файлы.'); return; }
@@ -517,43 +583,31 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
         const progressBar = document.getElementById('progress-bar');
         progressContainer.style.display = 'block'; progressBar.style.width = '0%';
         const formData = new FormData(this); const xhr = new XMLHttpRequest();
-        xhr.upload.addEventListener('progress', e => {
-            if (e.lengthComputable) progressBar.style.width = Math.round((e.loaded / e.total) * 100) + '%';
-        });
+        xhr.upload.addEventListener('progress', e => { if (e.lengthComputable) progressBar.style.width = Math.round((e.loaded / e.total) * 100) + '%'; });
         xhr.addEventListener('load', () => { haptic.notificationOccurred('success'); window.location.reload(); });
         xhr.addEventListener('error', () => { haptic.notificationOccurred('error'); Telegram.WebApp.showAlert('Ошибка загрузки.'); });
         xhr.open('POST', this.action, true); xhr.send(formData);
     });
-
     let selectionMode = false; const selectedItems = new Set(); let longPressTimer;
     const mainContainer = document.getElementById('main-container');
     const selectionBar = document.getElementById('selection-bar');
     const selectionCount = document.getElementById('selection-count');
     const selectionDownloadBtn = document.getElementById('selection-download-btn');
     const allItems = document.querySelectorAll('.item');
-
     function toggleSelectionMode(enable) {
         selectionMode = enable;
         selectionBar.classList.toggle('visible', enable);
         if(enable) haptic.impactOccurred('heavy');
-        if (!enable) {
-            selectedItems.clear();
-            allItems.forEach(item => item.classList.remove('selected'));
-        }
+        if (!enable) { selectedItems.clear(); allItems.forEach(item => item.classList.remove('selected')); }
     }
-
     function updateSelectionUI() {
         selectionCount.textContent = `Выбрано: ${selectedItems.size}`;
         const firstSelectedId = selectedItems.values().next().value;
         const itemElement = document.querySelector(`.item[data-id='${firstSelectedId}']`);
-
         if (selectedItems.size === 1 && itemElement && itemElement.dataset.type === 'file') {
             selectionDownloadBtn.style.display = 'inline-block';
-        } else {
-            selectionDownloadBtn.style.display = 'none';
-        }
+        } else { selectionDownloadBtn.style.display = 'none'; }
     }
-
     allItems.forEach(item => {
         item.addEventListener('pointerdown', e => {
             if (e.pointerType === 'mouse' && e.button !== 0) return;
@@ -568,8 +622,7 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
         item.addEventListener('pointerleave', () => clearTimeout(longPressTimer));
         item.addEventListener('click', e => {
             if (selectionMode) {
-                haptic.impactOccurred('light');
-                e.preventDefault(); e.stopPropagation();
+                haptic.impactOccurred('light'); e.preventDefault(); e.stopPropagation();
                 item.classList.toggle('selected');
                 if (selectedItems.has(item.dataset.id)) selectedItems.delete(item.dataset.id); else selectedItems.add(item.dataset.id);
                 updateSelectionUI();
@@ -577,26 +630,21 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
             }
         }, true);
     });
-
     async function performBatchAction(url, body) {
         try {
-            const response = await fetch(url, {
-                method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body)
-            });
+            const response = await fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body) });
             const result = await response.json();
             if (result.status === 'success') { haptic.notificationOccurred('success'); window.location.reload(); }
             else { haptic.notificationOccurred('error'); Telegram.WebApp.showAlert(result.message || 'Произошла ошибка.'); }
         } catch (error) { haptic.notificationOccurred('error'); Telegram.WebApp.showAlert('Сетевая ошибка.'); }
         finally { toggleSelectionMode(false); }
     }
-
     function downloadSingleSelected() {
         if (selectedItems.size !== 1) return;
         const fileId = selectedItems.values().next().value;
         initiateDownload(fileId);
         toggleSelectionMode(false);
     }
-
     function showMoveModal() { if (selectedItems.size > 0) { haptic.impactOccurred('light'); document.getElementById('move-modal').style.display = 'flex'; }}
     function closeMoveModal() { document.getElementById('move-modal').style.display = 'none'; }
     function moveSelected() {
@@ -611,7 +659,103 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
             if (ok) { haptic.impactOccurred('heavy'); performBatchAction('{{ url_for("batch_delete_tma") }}', { item_ids: Array.from(selectedItems) }); }
         });
     }
-
+    async function openNoteModal(noteId = null) {
+        haptic.impactOccurred('light');
+        closeFabModal();
+        const modal = document.getElementById('note-modal');
+        const titleEl = document.getElementById('note-modal-title');
+        const idInput = document.getElementById('note-id-input');
+        const titleInput = document.getElementById('note-title-input');
+        const contentInput = document.getElementById('note-content-input');
+        if (noteId) {
+            titleEl.textContent = 'Редактировать заметку';
+            const response = await fetch(`{{ url_for('get_note_tma', note_id='__ID__') }}`.replace('__ID__', noteId));
+            const data = await response.json();
+            if (data.status === 'success') {
+                idInput.value = data.note.id;
+                titleInput.value = data.note.title;
+                contentInput.value = data.note.content;
+            } else { Telegram.WebApp.showAlert('Ошибка з��грузки заметки.'); return; }
+        } else {
+            titleEl.textContent = 'Новая заметка';
+            idInput.value = ''; titleInput.value = ''; contentInput.value = '';
+        }
+        modal.style.display = 'flex';
+    }
+    function closeNoteModal() { document.getElementById('note-modal').style.display = 'none'; }
+    async function saveNote() {
+        const id = document.getElementById('note-id-input').value;
+        const title = document.getElementById('note-title-input').value;
+        const content = document.getElementById('note-content-input').value;
+        if (!title.trim()) { Telegram.WebApp.showAlert('Заголовок не может быть пустым.'); return; }
+        const payload = {
+            note_id: id, title: title, content: content, parent_folder_id: '{{ current_folder_id }}'
+        };
+        const response = await fetch('{{ url_for("create_or_update_note_tma") }}', {
+            method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify(payload)
+        });
+        const result = await response.json();
+        if (result.status === 'success') { haptic.notificationOccurred('success'); window.location.reload(); }
+        else { haptic.notificationOccurred('error'); Telegram.WebApp.showAlert(result.message || 'Ошибка сохранения.'); }
+    }
+    function closeRemindersModal() { document.getElementById('reminders-modal').style.display = 'none'; }
+    async function openRemindersModal() {
+        haptic.impactOccurred('light');
+        const modal = document.getElementById('reminders-modal');
+        const listEl = document.getElementById('reminders-list');
+        listEl.innerHTML = '<div class="loading-spinner"></div>';
+        modal.style.display = 'flex';
+        try {
+            const response = await fetch('{{ url_for("get_reminders_tma") }}');
+            const data = await response.json();
+            if (data.status === 'success') {
+                listEl.innerHTML = '';
+                if (data.reminders.length === 0) listEl.innerHTML = '<p>Напоминаний нет.</p>';
+                data.reminders.forEach(r => {
+                    const dt = new Date(r.due_datetime_local);
+                    const el = document.createElement('div');
+                    el.className = 'reminder-item';
+                    el.innerHTML = `
+                        <div>
+                            <span>${r.text}</span><br>
+                            <small style="color:var(--text-muted)">${dt.toLocaleString()}</small>
+                        </div>
+                        <button onclick="deleteReminder('${r.id}')">&times;</button>
+                    `;
+                    listEl.appendChild(el);
+                });
+            } else { listEl.innerHTML = '<p>Ошибка загрузки.</p>'; }
+        } catch (e) { listEl.innerHTML = '<p>Сетевая ошибка.</p>'; }
+    }
+    async function createReminder() {
+        const text = document.getElementById('reminder-text-input').value;
+        const datetimeLocal = document.getElementById('reminder-datetime-input').value;
+        if (!text.trim() || !datetimeLocal) { Telegram.WebApp.showAlert('Заполните все поля.'); return; }
+        const userTimezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+        const payload = { text, datetime_local: datetimeLocal, user_timezone: userTimezone };
+        const response = await fetch('{{ url_for("create_reminder_tma") }}', {
+            method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify(payload)
+        });
+        const result = await response.json();
+        if (result.status === 'success') {
+            haptic.notificationOccurred('success');
+            document.getElementById('reminder-text-input').value = '';
+            document.getElementById('reminder-datetime-input').value = '';
+            openRemindersModal();
+        } else { haptic.notificationOccurred('error'); Telegram.WebApp.showAlert(result.message || 'Ошибка.'); }
+    }
+    async function deleteReminder(reminderId) {
+        Telegram.WebApp.showConfirm('Удалить это напоминание?', async (ok) => {
+            if (ok) {
+                haptic.impactOccurred('heavy');
+                const response = await fetch(`{{ url_for('delete_reminder_tma', reminder_id='__ID__') }}`.replace('__ID__', reminderId), { method: 'POST' });
+                const result = await response.json();
+                if (result.status === 'success') { openRemindersModal(); }
+                else { Telegram.WebApp.showAlert('Ошибка удаления.'); }
+            }
+        });
+    }
+    document.getElementById('reminders-btn').addEventListener('click', openRemindersModal);
     const gridViewBtn = document.getElementById('grid-view-btn');
     const listViewBtn = document.getElementById('list-view-btn');
     const fileContainer = document.getElementById('file-container');
@@ -624,28 +768,20 @@ TMA_DASHBOARD_HTML_TEMPLATE = '''
     }
     gridViewBtn.addEventListener('click', () => setView('grid'));
     listViewBtn.addEventListener('click', () => setView('list'));
-
     const fab = document.getElementById('fab');
     const fabModal = document.getElementById('fab-modal');
     fab.addEventListener('click', () => { haptic.impactOccurred('medium'); fabModal.style.display = 'flex'; });
     function closeFabModal() { fabModal.style.display = 'none'; }
     fabModal.addEventListener('click', e => { if (e.target.id === 'fab-modal') closeFabModal(); });
-
     document.addEventListener('DOMContentLoaded', () => {
         setView(localStorage.getItem('viewMode') || 'grid');
         const currentFolderId = '{{ current_folder_id }}';
         const parentFolderId = '{{ parent_folder_id }}';
-
         if (currentFolderId !== 'root') {
             let backButton = window.Telegram.WebApp.BackButton;
             backButton.show();
-            backButton.onClick(() => {
-                haptic.impactOccurred('light');
-                window.location.href = `{{ url_for('tma_dashboard') }}?folder_id=${parentFolderId}`;
-            });
-        } else {
-            window.Telegram.WebApp.BackButton.hide();
-        }
+            backButton.onClick(() => { haptic.impactOccurred('light'); window.location.href = `{{ url_for('tma_dashboard') }}?folder_id=${parentFolderId}`; });
+        } else { window.Telegram.WebApp.BackButton.hide(); }
     });
 </script></body></html>
 '''
@@ -673,7 +809,7 @@ def tma_dashboard():
 
     parent_folder_id = parent_folder.get('id', 'root') if parent_folder else 'root'
 
-    items_in_folder = sorted(current_folder.get('children', []), key=lambda x: (x['type'] != 'folder', x.get('name', x.get('original_filename', '')).lower()))
+    items_in_folder = sorted(current_folder.get('children', []), key=lambda x: (x['type'] not in ['folder', 'note'], x.get('name', x.get('original_filename', x.get('title', ''))).lower()))
     if request.method == 'POST':
         if not HF_TOKEN_WRITE:
              flash('Загрузка невозможна: токен для записи не настроен.', 'error')
@@ -748,19 +884,19 @@ def create_folder_tma():
         else: flash('Не удалось найти родительскую папку.', 'error')
     return redirect(url_for('tma_dashboard', folder_id=parent_folder_id))
 
-def get_file_node_for_user(file_id):
+def get_item_node_for_user(item_id):
     if not (session.get('telegram_user_id') or session.get('admin_browser_logged_in')):
         return None
     data = load_data()
     if session.get('admin_browser_logged_in'):
         for uid, udata in data.get('users', {}).items():
-            node, _ = find_node_by_id(udata.get('filesystem', {}), file_id)
-            if node and node.get('type') == 'file': return node
+            node, _ = find_node_by_id(udata.get('filesystem', {}), item_id)
+            if node: return node
     else:
         user_data = data['users'].get(session['telegram_user_id'])
         if user_data:
-            node, _ = find_node_by_id(user_data.get('filesystem', {}), file_id)
-            if node and node.get('type') == 'file': return node
+            node, _ = find_node_by_id(user_data.get('filesystem', {}), item_id)
+            if node: return node
     return None
 
 def get_file_node_for_admin(tma_user_id_str, file_id):
@@ -776,8 +912,8 @@ def get_file_node_for_admin(tma_user_id_str, file_id):
 
 @app.route('/download_tma/<file_id>')
 def download_tma(file_id):
-    file_node = get_file_node_for_user(file_id)
-    if not file_node:
+    file_node = get_item_node_for_user(file_id)
+    if not file_node or file_node.get('type') != 'file':
         return jsonify({'status': 'error', 'message': 'Файл не найден или доступ запрещен'}), 404
 
     token = uuid.uuid4().hex
@@ -839,7 +975,7 @@ def batch_download_tma():
     try:
         with zipfile.ZipFile(temp_zip_file.name, 'w', zipfile.ZIP_DEFLATED) as zf:
             for file_id in file_ids:
-                file_node = get_file_node_for_user(file_id)
+                file_node = get_item_node_for_user(file_id)
                 if file_node and file_node.get('path'):
                     hf_path = file_node['path']
                     original_filename = file_node.get('original_filename', file_id)
@@ -860,61 +996,6 @@ def batch_download_tma():
         if os.path.exists(temp_zip_file.name):
             os.unlink(temp_zip_file.name)
 
-@app.route('/delete_file_tma/<file_id>', methods=['POST'])
-def delete_file_tma(file_id):
-    if 'telegram_user_id' not in session: return redirect(url_for('tma_entry_page'))
-    tma_user_id = session['telegram_user_id']
-    data = load_data()
-    user_data = data['users'].get(tma_user_id)
-    if not user_data: return redirect(url_for('tma_entry_page'))
-    file_node, _ = find_node_by_id(user_data['filesystem'], file_id)
-    current_view_folder_id = request.form.get('current_view_folder_id', 'root')
-    if not file_node or file_node.get('type') != 'file':
-        flash('Файл не найден.', 'error')
-    else:
-        hf_path = file_node.get('path')
-        if not HF_TOKEN_WRITE:
-            flash('Удаление невозможно: токен для записи не настроен.', 'error')
-        else:
-            try:
-                api = HfApi()
-                if hf_path: api.delete_file(path_in_repo=hf_path, repo_id=REPO_ID, repo_type="dataset", token=HF_TOKEN_WRITE)
-                removed, _ = remove_node(user_data['filesystem'], file_id)
-                if removed:
-                    try: save_data(data); flash('Файл удален.')
-                    except Exception: flash('Файл удален с сервера, но ошибка обновления базы.', 'error')
-            except hf_utils.EntryNotFoundError:
-                removed, _ = remove_node(user_data['filesystem'], file_id)
-                if removed:
-                    try: save_data(data); flash('Файл не найден на сервере, удален из базы.')
-                    except Exception: flash('Ошибка сохранения (файл не на сервере).', 'error')
-            except Exception as e:
-                flash(f'Ошибка удаления: {e}', 'error')
-    return redirect(url_for('tma_dashboard', folder_id=current_view_folder_id))
-
-@app.route('/delete_folder_tma/<folder_id>', methods=['POST'])
-def delete_folder_tma(folder_id):
-    if 'telegram_user_id' not in session: return redirect(url_for('tma_entry_page'))
-    if folder_id == 'root':
-         flash('Нельзя удалить корневую папку!', 'error'); return redirect(url_for('tma_dashboard'))
-    tma_user_id = session['telegram_user_id']
-    data = load_data()
-    user_data = data['users'].get(tma_user_id)
-    if not user_data: return redirect(url_for('tma_entry_page'))
-
-    folder_node, parent_node = find_node_by_id(user_data['filesystem'], folder_id)
-    if not folder_node or folder_node.get('type') != 'folder' or not parent_node:
-        flash('Папка не найдена.', 'error')
-    elif folder_node.get('children'):
-        flash('Папку можно удалить только если она пуста.', 'error')
-    else:
-        removed, _ = remove_node(user_data['filesystem'], folder_id)
-        if removed:
-            try: save_data(data); flash(f'Папка "{folder_node.get("name")}" удалена.')
-            except Exception: flash('Ошибка сохранения после удаления папки.', 'error')
-        else: flash('Не удалось удалить папку.', 'error')
-    return redirect(url_for('tma_dashboard', folder_id=parent_node.get('id', 'root')))
-
 @app.route('/batch_delete_tma', methods=['POST'])
 def batch_delete_tma():
     if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Не авторизован.'}), 401
@@ -936,6 +1017,9 @@ def batch_delete_tma():
             if node.get('children'): errors.append(f'Папка "{node.get("name")}" не пуста.'); continue
             if remove_node(user_data['filesystem'], item_id)[0]: success_count += 1
             else: errors.append(f'Ошибка удаления папки "{node.get("name")}".')
+        elif node.get('type') == 'note':
+            if remove_node(user_data['filesystem'], item_id)[0]: success_count += 1
+            else: errors.append(f'Ошибка удаления "{node.get("title")}".')
         elif node.get('type') == 'file':
             try:
                 if node.get('path') and HF_TOKEN_WRITE: api.delete_file(path_in_repo=node['path'], repo_id=REPO_ID, repo_type="dataset", token=HF_TOKEN_WRITE)
@@ -990,7 +1074,7 @@ def batch_move_tma():
 
 @app.route('/get_text_content_tma/<file_id>')
 def get_text_content_tma(file_id):
-    file_node = get_file_node_for_user(file_id)
+    file_node = get_item_node_for_user(file_id)
     if not file_node or file_node.get('file_type') != 'text': return Response("Текстовый файл не найден", 404)
     hf_path = file_node.get('path')
     if not hf_path: return Response("Ошибка: путь к файлу отсутствует", 500)
@@ -1006,6 +1090,116 @@ def get_text_content_tma(file_id):
         return Response(text_content, mimetype='text/plain')
     except Exception as e: return Response(f"Ошибка загрузки: {e}", 502)
 
+@app.route('/get_note_tma/<note_id>')
+def get_note_tma(note_id):
+    if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Unauthorized'}), 401
+    note_node = get_item_node_for_user(note_id)
+    if not note_node or note_node.get('type') != 'note':
+        return jsonify({'status': 'error', 'message': 'Note not found'}), 404
+    return jsonify({'status': 'success', 'note': note_node})
+
+@app.route('/create_or_update_note_tma', methods=['POST'])
+def create_or_update_note_tma():
+    if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Unauthorized'}), 401
+    tma_user_id = session['telegram_user_id']
+    data = load_data()
+    user_data = data['users'].get(tma_user_id)
+    if not user_data: return jsonify({'status': 'error', 'message': 'User not found'}), 404
+    
+    payload = request.json
+    note_id = payload.get('note_id')
+    title = payload.get('title', '').strip()
+    content = payload.get('content', '')
+    parent_folder_id = payload.get('parent_folder_id', 'root')
+    now_str = datetime.now().strftime('%Y-%m-%d %H:%M')
+
+    if not title: return jsonify({'status': 'error', 'message': 'Title cannot be empty.'}), 400
+
+    if note_id:
+        node, _ = find_node_by_id(user_data['filesystem'], note_id)
+        if not node or node.get('type') != 'note':
+            return jsonify({'status': 'error', 'message': 'Note not found'}), 404
+        node['title'] = title
+        node['content'] = content
+        node['modified_date'] = now_str
+    else:
+        new_note_id = uuid.uuid4().hex
+        note_data = {
+            'type': 'note', 'id': new_note_id, 'title': title, 'content': content,
+            'created_date': now_str, 'modified_date': now_str
+        }
+        if not add_node(user_data['filesystem'], parent_folder_id, note_data):
+            return jsonify({'status': 'error', 'message': 'Parent folder not found'}), 404
+    
+    try:
+        save_data(data)
+        return jsonify({'status': 'success', 'message': 'Note saved.'})
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': f'Failed to save data: {e}'}), 500
+
+@app.route('/get_reminders_tma')
+def get_reminders_tma():
+    if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Unauthorized'}), 401
+    user_data = load_data()['users'].get(session['telegram_user_id'])
+    if not user_data: return jsonify({'status': 'error', 'message': 'User not found'}), 404
+    
+    reminders = sorted(user_data.get('reminders', []), key=lambda r: r.get('due_datetime_utc', ''))
+    return jsonify({'status': 'success', 'reminders': reminders})
+
+@app.route('/create_reminder_tma', methods=['POST'])
+def create_reminder_tma():
+    if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Unauthorized'}), 401
+    tma_user_id = session['telegram_user_id']
+    data = load_data()
+    user_data = data['users'].get(tma_user_id)
+    if not user_data: return jsonify({'status': 'error', 'message': 'User not found'}), 404
+
+    payload = request.json
+    text = payload.get('text', '').strip()
+    dt_local_str = payload.get('datetime_local')
+    user_tz_str = payload.get('user_timezone', 'UTC')
+    if not text or not dt_local_str:
+        return jsonify({'status': 'error', 'message': 'Missing required fields'}), 400
+    
+    try:
+        user_tz = ZoneInfo(user_tz_str)
+    except ZoneInfoNotFoundError:
+        user_tz = pytz.timezone('UTC')
+
+    dt_local = datetime.fromisoformat(dt_local_str)
+    dt_aware = dt_local.astimezone(user_tz)
+    dt_utc = dt_aware.astimezone(pytz.utc)
+
+    new_reminder = {
+        'id': uuid.uuid4().hex, 'text': text,
+        'due_datetime_utc': dt_utc.isoformat().replace('+00:00', 'Z'),
+        'due_datetime_local': dt_local.isoformat(),
+        'user_timezone': user_tz_str, 'notified': False
+    }
+    user_data.setdefault('reminders', []).append(new_reminder)
+    try:
+        save_data(data)
+        return jsonify({'status': 'success'})
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': f'Failed to save: {e}'}), 500
+
+@app.route('/delete_reminder_tma/<reminder_id>', methods=['POST'])
+def delete_reminder_tma(reminder_id):
+    if 'telegram_user_id' not in session: return jsonify({'status': 'error', 'message': 'Unauthorized'}), 401
+    tma_user_id = session['telegram_user_id']
+    data = load_data()
+    user_data = data['users'].get(tma_user_id)
+    if not user_data: return jsonify({'status': 'error', 'message': 'User not found'}), 404
+    
+    reminders = user_data.get('reminders', [])
+    user_data['reminders'] = [r for r in reminders if r.get('id') != reminder_id]
+    
+    try:
+        save_data(data)
+        return jsonify({'status': 'success'})
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': f'Failed to save: {e}'}), 500
+
 @app.route('/tma_logout')
 def tma_logout():
     session.clear()
@@ -1039,12 +1233,13 @@ ADMIN_PANEL_HTML = '''
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <style>''' + BASE_STYLE + '''
 .user-list { list-style: none; padding: 0; }
-.user-item { background: var(--card-bg-dark); border-radius: 12px; margin-bottom: 10px; padding: 15px; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
+.user-item { background: var(--card-bg-dark); border-radius: 12px; margin-bottom: 10px; padding: 15px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;}
 .user-item:hover { background: #2a2a2a; }
-.user-details { display: flex; align-items: center; gap: 15px; }
+.user-details { display: flex; align-items: center; gap: 15px; flex-grow: 1; }
 .user-avatar { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; background-color: #333; }
 .user-info span { display: block; }
 .user-info .id { font-size: 0.8em; color: var(--text-muted); }
+.user-actions { display: flex; gap: 10px; flex-shrink: 0; }
 .header-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px;}
 .search-form { display: flex; gap: 10px; flex-grow: 1; max-width: 400px;}
 .search-form input { margin: 0; }
@@ -1071,10 +1266,14 @@ ADMIN_PANEL_HTML = '''
                 <strong>{{ user.get('first_name', 'N/A') }} {{ user.get('last_name', '') }}</strong> (@{{ user.get('telegram_username', 'N/A') }})
                 <span class="id">ID: {{ user_id }}</span>
                 <span class="id">Created: {{ user.get('created_at', 'N/A') }}</span>
-                <span class="id">Files: <strong>{{ user.get('file_count', 0) }}</strong></span>
+                <span class="id">Items: <strong>{{ user.get('item_count', 0) }}</strong></span>
+                <span class="id">Reminders: <strong>{{ user.get('reminders', [])|length }}</strong></span>
             </div>
         </div>
-        <a href="{{ url_for('admin_user_files', tma_user_id_str=user_id) }}" class="btn">View Files</a>
+        <div class="user-actions">
+            <a href="{{ url_for('admin_user_files', tma_user_id_str=user_id) }}" class="btn">View Items</a>
+            <a href="{{ url_for('admin_user_reminders', tma_user_id_str=user_id) }}" class="btn folder-btn">Reminders</a>
+        </div>
     </li>
 {% else %}
     <li>No users found.</li>
@@ -1106,7 +1305,7 @@ ADMIN_USER_FILES_HTML = '''
 </div>
 <div class="container">
 <div class="admin-header">
-    <h1>Files for {{ user.get('first_name', 'N/A') }}</h1>
+    <h1>Items for {{ user.get('first_name', 'N/A') }}</h1>
     <div class="user-details">@{{ user.get('telegram_username', 'N/A') }} (ID: {{ user_id }})</div>
 </div>
 {% with messages = get_flashed_messages(with_categories=true) %}{% if messages %}
@@ -1123,9 +1322,14 @@ ADMIN_USER_FILES_HTML = '''
 <div class="file-grid" id="file-container">
     {% for item in items %}
         <div class="item {{ item.type }}" data-id="{{ item.id }}" data-type="{{ item.type }}">
-            <div class="item-preview-wrapper" {% if item.type != 'folder' %}onclick="openModal('{{ hf_file_url_jinja(item.path) if item.file_type not in ['text', 'pdf'] else (url_for('admin_get_text_content', tma_user_id_str=user_id, file_id=item.id) if item.file_type == 'text' else hf_file_url_jinja(item.path, True)) }}', '{{ item.file_type }}', '{{ item.id }}')"{% else %}onclick="window.location.href='{{ url_for('admin_user_files', tma_user_id_str=user_id, folder_id=item.id) }}'"{% endif %}>
+            <div class="item-preview-wrapper" 
+                {% if item.type == 'folder' %} onclick="window.location.href='{{ url_for('admin_user_files', tma_user_id_str=user_id, folder_id=item.id) }}'"
+                {% elif item.type == 'note' %} onclick="openModal(null, 'note', '{{ item.id }}')"
+                {% else %} onclick="openModal('{{ hf_file_url_jinja(item.path) if item.file_type not in ['text', 'pdf'] else (url_for('admin_get_text_content', tma_user_id_str=user_id, file_id=item.id) if item.file_type == 'text' else hf_file_url_jinja(item.path, True)) }}', '{{ item.file_type }}', '{{ item.id }}')" {% endif %}>
             {% if item.type == 'folder' %}
                 <div class="item-preview"><i class="fa-solid fa-folder"></i></div>
+            {% elif item.type == 'note' %}
+                 <div class="item-preview"><i class="fa-solid fa-note-sticky"></i></div>
             {% elif item.type == 'file' %}
                 {% if item.file_type == 'image' %}<img class="item-preview" src="{{ hf_file_url_jinja(item.path) }}" loading="lazy">
                 {% elif item.file_type == 'video' %}<video class="item-preview" preload="metadata" muted loading="lazy"><source src="{{ hf_file_url_jinja(item.path, True) }}#t=0.5"></video>
@@ -1136,16 +1340,15 @@ ADMIN_USER_FILES_HTML = '''
             {% endif %}
             </div>
             <div class="item-name-info">
-                <p class="item-name">{{ item.name if item.type == 'folder' else item.original_filename | truncate(30, True) }}</p>
-                {% if item.type == 'file' %}<p class="item-info">{{ item.upload_date }}</p>{% endif %}
+                <p class="item-name">{{ (item.title if item.type == 'note' else item.name if item.type == 'folder' else item.original_filename) | truncate(30, True) }}</p>
+                {% if item.type == 'file' %}<p class="item-info">{{ item.upload_date }}</p>
+                {% elif item.type == 'note' %}<p class="item-info">{{ item.modified_date }}</p>{% endif %}
             </div>
             <div class="item-actions-admin">
-                {% if item.type == 'file' %}
-                    <form action="{{ url_for('admin_delete_file', tma_user_id_str=user_id, file_id=item.id) }}" method="post" onsubmit="return confirm('Are you sure you want to delete this file?');">
-                        <input type="hidden" name="current_folder_id" value="{{ current_folder_id }}">
-                        <button type="submit" title="Delete File"><i class="fa fa-trash"></i></button>
-                    </form>
-                {% endif %}
+                <form action="{{ url_for('admin_delete_item', tma_user_id_str=user_id, item_id=item.id) }}" method="post" onsubmit="return confirm('Are you sure you want to delete this?');">
+                    <input type="hidden" name="current_folder_id" value="{{ current_folder_id }}">
+                    <button type="submit" title="Delete Item"><i class="fa fa-trash"></i></button>
+                </form>
             </div>
         </div>
     {% endfor %}
@@ -1171,43 +1374,44 @@ ADMIN_USER_FILES_HTML = '''
         try {
             const response = await fetch(`{{ url_for('admin_download_file', tma_user_id_str=user_id, file_id='__FILE_ID__') }}`.replace('__FILE_ID__', fileId));
             const data = await response.json();
-            if (data.status === 'success' && data.url) {
-                window.open(data.url, '_blank');
-            } else {
-                alert(data.message || 'Failed to create download link.');
-            }
-        } catch (error) {
-            alert('Network error while creating download link.');
-        } finally {
-            downloadBtn.innerHTML = originalHTML;
-            closeModalManual();
-        }
+            if (data.status === 'success' && data.url) { window.open(data.url, '_blank'); } 
+            else { alert(data.message || 'Failed to create download link.'); }
+        } catch (error) { alert('Network error while creating download link.'); } 
+        finally { downloadBtn.innerHTML = originalHTML; closeModalManual(); }
     }
-
     async function openModal(srcOrUrl, type, itemId) {
-        if (!srcOrUrl) return;
+        if (!itemId) return;
         const modal = document.getElementById('mediaModal');
         const modalContent = document.getElementById('modalContent');
         const downloadBtn = document.getElementById('modal-download-btn');
         modalContent.innerHTML = '<div class="loading-spinner"></div>';
         modal.style.display = 'flex';
-
-        if (type !== 'folder' && itemId) {
-            downloadBtn.onclick = () => initiateDownload(itemId);
-            downloadBtn.style.display = 'inline-block';
-        } else {
-            downloadBtn.style.display = 'none';
-        }
-
+        downloadBtn.style.display = 'none';
+        
         try {
-            if (type === 'image') modalContent.innerHTML = `<img src="${srcOrUrl}">`;
-            else if (type === 'video') modalContent.innerHTML = `<video controls autoplay loop playsinline><source src="${srcOrUrl}"></video>`;
-            else if (type === 'pdf') modalContent.innerHTML = `<iframe src="${srcOrUrl}"></iframe>`;
-            else if (type === 'text') {
+            if (type === 'note') {
+                const response = await fetch(`{{ url_for('admin_get_note', tma_user_id_str=user_id, note_id='__ID__') }}`.replace('__ID__', itemId));
+                const data = await response.json();
+                if(data.status === 'success') {
+                    modalContent.innerHTML = `<div style="padding:15px; text-align:left;"><h3>${data.note.title.replace(/</g,"&lt;")}</h3><hr style="border-color:#333; margin:10px 0;"><pre>${data.note.content.replace(/</g,"&lt;")}</pre></div>`;
+                } else { throw new Error(data.message); }
+            } else if (type === 'image') {
+                modalContent.innerHTML = `<img src="${srcOrUrl}">`;
+                downloadBtn.onclick = () => initiateDownload(itemId); downloadBtn.style.display = 'inline-block';
+            } else if (type === 'video') {
+                modalContent.innerHTML = `<video controls autoplay loop playsinline><source src="${srcOrUrl}"></video>`;
+                downloadBtn.onclick = () => initiateDownload(itemId); downloadBtn.style.display = 'inline-block';
+            } else if (type === 'pdf') {
+                modalContent.innerHTML = `<iframe src="${srcOrUrl}"></iframe>`;
+                downloadBtn.onclick = () => initiateDownload(itemId); downloadBtn.style.display = 'inline-block';
+            } else if (type === 'text') {
                 const response = await fetch(srcOrUrl); if (!response.ok) throw new Error(`Error: ${response.statusText}`);
                 const text = await response.text();
                 modalContent.innerHTML = `<pre>${text.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}</pre>`;
-            } else initiateDownload(itemId);
+                downloadBtn.onclick = () => initiateDownload(itemId); downloadBtn.style.display = 'inline-block';
+            } else {
+                initiateDownload(itemId);
+            }
         } catch (error) { modalContent.innerHTML = `<p>Preview Error: ${error.message}</p>`; }
     }
     function closeModal(event) { if (event.target.id === 'mediaModal') closeModalManual(); }
@@ -1229,12 +1433,51 @@ ADMIN_USER_FILES_HTML = '''
     }
     gridViewBtn.addEventListener('click', () => setView('grid'));
     listViewBtn.addEventListener('click', () => setView('list'));
-    document.addEventListener('DOMContentLoaded', () => {
-        setView(localStorage.getItem('adminViewMode') || 'grid');
-    });
+    document.addEventListener('DOMContentLoaded', () => { setView(localStorage.getItem('adminViewMode') || 'grid'); });
 </script></body></html>
 '''
 
+ADMIN_USER_REMINDERS_HTML = '''
+<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Admin - User Reminders</title>
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css">
+<style>''' + BASE_STYLE + '''
+.admin-header { padding-bottom: 15px; border-bottom: 1px solid #333; margin-bottom: 20px; }
+.reminders-list { list-style: none; }
+.reminder-item-admin { background: var(--card-bg-dark); border-radius: 12px; padding: 15px; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }
+.reminder-info span { display: block; }
+.reminder-info .utc-time { font-size: 0.8em; color: var(--text-muted); }
+</style></head><body>
+<div class="app-header">
+    <div class="user-info"><a href="{{ url_for('admin_panel') }}" style="color: var(--primary); text-decoration: none;">Admin Panel</a></div>
+</div>
+<div class="container">
+<div class="admin-header">
+    <h1>Reminders for {{ user.get('first_name', 'N/A') }}</h1>
+    <div class="user-details">@{{ user.get('telegram_username', 'N/A') }} (ID: {{ user_id }})</div>
+</div>
+{% with messages = get_flashed_messages(with_categories=true) %}{% if messages %}
+    {% for category, message in messages %}<div class="flash {{ category }}">{{ message }}</div>{% endfor %}
+{% endif %}{% endwith %}
+<ul class="reminders-list">
+{% for reminder in reminders %}
+    <li class="reminder-item-admin">
+        <div class="reminder-info">
+            <strong>{{ reminder.text }}</strong>
+            <span class="utc-time">Due (UTC): {{ reminder.due_datetime_utc }}</span>
+            <span class="utc-time">Notified: {{ 'Yes' if reminder.notified else 'No' }}</span>
+        </div>
+        <form action="{{ url_for('admin_delete_reminder', tma_user_id_str=user_id, reminder_id=reminder.id) }}" method="post" onsubmit="return confirm('Delete this reminder?');">
+            <button type="submit" class="btn delete-btn" style="padding: 8px 12px;"><i class="fa fa-trash"></i></button>
+        </form>
+    </li>
+{% else %}
+    <li>No reminders for this user.</li>
+{% endfor %}
+</ul>
+</div></body></html>
+'''
+
 @app.route('/admin')
 def admin_redirect():
     return redirect(url_for('admin_login'))
@@ -1267,7 +1510,7 @@ def admin_panel():
 
     processed_users = {}
     for user_id, user_data in all_users.items():
-        user_data['file_count'] = count_files_recursive(user_data.get('filesystem'))
+        user_data['item_count'] = count_items_recursive(user_data.get('filesystem'))
         processed_users[user_id] = user_data
 
     if search_query:
@@ -1307,7 +1550,7 @@ def admin_user_files(tma_user_id_str):
         current_folder_id = 'root'
         current_folder, _ = find_node_by_id(user_data['filesystem'], 'root')
 
-    items_in_folder = sorted(current_folder.get('children', []), key=lambda x: (x['type'] != 'folder', x.get('name', x.get('original_filename', '')).lower()))
+    items_in_folder = sorted(current_folder.get('children', []), key=lambda x: (x['type'] not in ['folder', 'note'], x.get('name', x.get('original_filename', x.get('title', ''))).lower()))
 
     breadcrumbs = []
     temp_id = current_folder_id
@@ -1329,6 +1572,18 @@ def admin_user_files(tma_user_id_str):
                                   breadcrumbs=breadcrumbs,
                                   hf_file_url_jinja=lambda path, download=False: f"https://huggingface.co/datasets/{REPO_ID}/resolve/main/{quote(path)}{'?download=true' if download else ''}")
 
+@app.route('/admhosto/user/<tma_user_id_str>/reminders')
+@admin_browser_login_required
+def admin_user_reminders(tma_user_id_str):
+    data = load_data()
+    user_data = data['users'].get(tma_user_id_str)
+    if not user_data:
+        flash('User not found.', 'error')
+        return redirect(url_for('admin_panel'))
+    
+    reminders = sorted(user_data.get('reminders', []), key=lambda r: r.get('due_datetime_utc', ''), reverse=True)
+    return render_template_string(ADMIN_USER_REMINDERS_HTML, user_id=tma_user_id_str, user=user_data, reminders=reminders)
+
 @app.route('/admhosto/download/<tma_user_id_str>/<file_id>')
 @admin_browser_login_required
 def admin_download_file(tma_user_id_str, file_id):
@@ -1366,58 +1621,93 @@ def admin_get_text_content(tma_user_id_str, file_id):
     except Exception as e:
         return Response(f"Download error: {e}", 502)
 
-@app.route('/admhosto/delete_user/<tma_user_id_str>', methods=['POST'])
+@app.route('/admhosto/note/<tma_user_id_str>/<note_id>')
 @admin_browser_login_required
-def admin_delete_user(tma_user_id_str):
-    return "User deleted"
+def admin_get_note(tma_user_id_str, note_id):
+    data = load_data()
+    user_data = data['users'].get(tma_user_id_str)
+    if not user_data: return jsonify({'status': 'error', 'message': 'User not found'}), 404
+    node, _ = find_node_by_id(user_data['filesystem'], note_id)
+    if not node or node.get('type') != 'note':
+        return jsonify({'status': 'error', 'message': 'Note not found'}), 404
+    return jsonify({'status': 'success', 'note': node})
 
-@app.route('/admhosto/delete_file/<tma_user_id_str>/<file_id>', methods=['POST'])
+@app.route('/admhosto/delete_item/<tma_user_id_str>/<item_id>', methods=['POST'])
 @admin_browser_login_required
-def admin_delete_file(tma_user_id_str, file_id):
+def admin_delete_item(tma_user_id_str, item_id):
     data = load_data()
     user_data = data['users'].get(tma_user_id_str)
     current_folder_id = request.form.get('current_folder_id', 'root')
-
     if not user_data:
-        flash('User not found.', 'error')
-        return redirect(url_for('admin_panel'))
-
-    file_node, _ = find_node_by_id(user_data['filesystem'], file_id)
-    if not file_node or file_node.get('type') != 'file':
-        flash('File not found.', 'error')
-    else:
-        hf_path = file_node.get('path')
-        if not HF_TOKEN_WRITE:
-            flash('Deletion not possible: write token not configured.', 'error')
+        flash('User not found.', 'error'); return redirect(url_for('admin_panel'))
+
+    node, _ = find_node_by_id(user_data['filesystem'], item_id)
+    if not node:
+        flash('Item not found.', 'error')
+    elif node.get('type') == 'file':
+        hf_path = node.get('path')
+        if not HF_TOKEN_WRITE: flash('Deletion not possible: write token not configured.', 'error')
         else:
             try:
                 api = HfApi()
                 if hf_path: api.delete_file(path_in_repo=hf_path, repo_id=REPO_ID, repo_type="dataset", token=HF_TOKEN_WRITE)
-                removed, _ = remove_node(user_data['filesystem'], file_id)
-                if removed:
+                if remove_node(user_data['filesystem'], item_id)[0]:
                     try: save_data(data); flash('File deleted.')
                     except Exception: flash('File deleted from server, but DB update failed.', 'error')
             except hf_utils.EntryNotFoundError:
-                removed, _ = remove_node(user_data['filesystem'], file_id)
-                if removed:
+                if remove_node(user_data['filesystem'], item_id)[0]:
                     try: save_data(data); flash('File not found on server, removed from DB.')
                     except Exception: flash('DB save error (file not on server).', 'error')
-            except Exception as e:
-                flash(f'Deletion error: {e}', 'error')
+            except Exception as e: flash(f'Deletion error: {e}', 'error')
+    elif node.get('type') == 'note':
+        if remove_node(user_data['filesystem'], item_id)[0]:
+            try: save_data(data); flash('Note deleted.')
+            except Exception: flash('DB update failed after note deletion.', 'error')
+    elif node.get('type') == 'folder':
+        if node.get('children'): flash('Folder is not empty.', 'error')
+        else:
+            if remove_node(user_data['filesystem'], item_id)[0]:
+                try: save_data(data); flash('Folder deleted.')
+                except Exception: flash('DB update failed after folder deletion.', 'error')
     return redirect(url_for('admin_user_files', tma_user_id_str=tma_user_id_str, folder_id=current_folder_id))
 
+@app.route('/admhosto/user/<tma_user_id_str>/delete_reminder/<reminder_id>', methods=['POST'])
+@admin_browser_login_required
+def admin_delete_reminder(tma_user_id_str, reminder_id):
+    data = load_data()
+    user_data = data['users'].get(tma_user_id_str)
+    if not user_data:
+        flash('User not found.', 'error'); return redirect(url_for('admin_panel'))
+    
+    reminders = user_data.get('reminders', [])
+    initial_len = len(reminders)
+    user_data['reminders'] = [r for r in reminders if r.get('id') != reminder_id]
+    if len(user_data['reminders']) < initial_len:
+        try:
+            save_data(data)
+            flash('Reminder deleted successfully.', 'success')
+        except Exception as e:
+            flash(f'Failed to save data: {e}', 'error')
+    else:
+        flash('Reminder not found.', 'error')
+    return redirect(url_for('admin_user_reminders', tma_user_id_str=tma_user_id_str))
+
 if __name__ == '__main__':
     if not HF_TOKEN_WRITE: logging.warning("HF_TOKEN (write) is not set. Uploads/deletions will fail.")
     if not HF_TOKEN_READ: logging.warning("HF_TOKEN_READ is not set. Downloads/previews might fail.")
     if ADMIN_TELEGRAM_ID == "YOUR_ADMIN_TELEGRAM_USER_ID_HERE": logging.warning("ADMIN_TELEGRAM_ID is not set.")
     if ADMIN_USERNAME == "admin" and ADMIN_PASSWORD == "zeusadminpass":
         logging.warning("Using default admin credentials. Please change them.")
-    if HF_TOKEN_WRITE:
-        download_db_from_hf()
-        threading.Thread(target=periodic_backup, daemon=True).start()
-    elif HF_TOKEN_READ:
+    
+    if HF_TOKEN_WRITE or HF_TOKEN_READ:
         download_db_from_hf()
     else:
         if not os.path.exists(DATA_FILE):
              with open(DATA_FILE, 'w', encoding='utf-8') as f: json.dump({'users': {}}, f)
+    
+    if HF_TOKEN_WRITE:
+        threading.Thread(target=periodic_backup, daemon=True).start()
+    
+    threading.Thread(target=check_reminders, daemon=True).start()
+    
     app.run(debug=False, host='0.0.0.0', port=7860)