diff --git a/README.md b/README.md
deleted file mode 100644
index de545f3..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# ogame_notepad
-
-Estensione per browser derivati da Chrome che mette un piccolo blocco note a sinistra della pagina web ogame
\ No newline at end of file
diff --git a/content.css b/content.css
new file mode 100644
index 0000000..cb4499d
--- /dev/null
+++ b/content.css
@@ -0,0 +1,144 @@
+/* ===== OGame Notepad - finestra flottante ===== */
+#ogame-notepad {
+  position: fixed;
+  left: 20px;
+  top: 20px;
+  width: 280px;
+  height: 360px;
+  z-index: 999999;
+  display: flex;
+  flex-direction: column;
+  font-family: Verdana, Arial, Helvetica, sans-serif;
+  background: #0b1220;
+  border: 1px solid #2a4a6b;
+  border-radius: 6px;
+  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.65), inset 0 0 0 1px rgba(255, 255, 255, 0.03);
+  overflow: hidden;
+}
+
+/* Barra del titolo (trascinabile) */
+#ogame-notepad .onp-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  background: linear-gradient(180deg, #1b2f4d, #14243c);
+  color: #d9b45a;
+  padding: 8px 10px;
+  border-bottom: 1px solid #2a4a6b;
+  font-size: 13px;
+  font-weight: bold;
+  letter-spacing: 1px;
+  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
+  user-select: none;
+  cursor: move;
+}
+
+#ogame-notepad .onp-title {
+  display: flex;
+  align-items: center;
+  gap: 7px;
+}
+
+#ogame-notepad .onp-title .onp-dot {
+  width: 10px;
+  height: 10px;
+  background: radial-gradient(circle at 35% 35%, #7fd0ff, #2a6bb0);
+  border-radius: 50%;
+  box-shadow: 0 0 8px #2a6bb0;
+}
+
+#ogame-notepad .onp-actions {
+  display: flex;
+  gap: 4px;
+}
+
+#ogame-notepad .onp-btn {
+  background: transparent;
+  border: 1px solid transparent;
+  color: #9db8d6;
+  font-size: 14px;
+  cursor: pointer;
+  padding: 1px 6px;
+  line-height: 1;
+  border-radius: 3px;
+}
+#ogame-notepad .onp-btn:hover {
+  background: #2a4a6b;
+  color: #ffffff;
+  border-color: #3a6a9b;
+}
+
+#ogame-notepad textarea {
+  flex: 1;
+  resize: none;
+  border: none;
+  background: #0b1220;
+  color: #dce6f2;
+  padding: 10px;
+  font-size: 13px;
+  line-height: 1.55;
+  font-family: inherit;
+  outline: none;
+}
+#ogame-notepad textarea::placeholder {
+  color: #4a5f7a;
+}
+
+#ogame-notepad .onp-footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  background: #101a2c;
+  color: #6f87a3;
+  padding: 5px 10px;
+  border-top: 1px solid #2a4a6b;
+  font-size: 11px;
+}
+
+#ogame-notepad .onp-footer .onp-status {
+  color: #6fbf6f;
+}
+
+/* Impugnatura per il ridimensionamento (angolo in basso a destra) */
+#ogame-notepad .onp-resizer {
+  position: absolute;
+  right: 0;
+  bottom: 0;
+  width: 18px;
+  height: 18px;
+  cursor: nwse-resize;
+  z-index: 3;
+}
+#ogame-notepad .onp-resizer::after {
+  content: '';
+  position: absolute;
+  right: 3px;
+  bottom: 3px;
+  width: 8px;
+  height: 8px;
+  border-right: 2px solid #3a6a9b;
+  border-bottom: 2px solid #3a6a9b;
+  border-radius: 0 0 3px 0;
+}
+#ogame-notepad .onp-resizer:hover::after {
+  border-color: #d9b45a;
+}
+
+/* Pulsante per riaprire il notepad quando è chiuso */
+#ogame-notepad-toggle {
+  position: fixed;
+  left: 10px;
+  top: 20px;
+  z-index: 999999;
+  background: linear-gradient(180deg, #1b2f4d, #14243c);
+  color: #d9b45a;
+  border: 1px solid #2a4a6b;
+  border-radius: 6px;
+  padding: 10px 8px;
+  cursor: pointer;
+  font-size: 15px;
+  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
+}
+#ogame-notepad-toggle:hover {
+  background: linear-gradient(180deg, #2a4a6b, #1b2f4d);
+}
diff --git a/content.js b/content.js
new file mode 100644
index 0000000..cc01fc8
--- /dev/null
+++ b/content.js
@@ -0,0 +1,263 @@
+(() => {
+  'use strict';
+
+  // Doppia sicurezza: attivo solo sul dominio richiesto
+  if (window.location.hostname !== 's170-ar.ogame.gameforge.com') {
+    return;
+  }
+
+  const STORAGE_KEY = 'ogame_notepad_text';
+  const COLLAPSED_KEY = 'ogame_notepad_collapsed';
+  const POS_KEY = 'ogame_notepad_pos';
+  const SIZE_KEY = 'ogame_notepad_size';
+
+  // ---- Creazione elementi ----
+  const container = document.createElement('div');
+  container.id = 'ogame-notepad';
+
+  const header = document.createElement('div');
+  header.className = 'onp-header';
+  header.innerHTML =
+    '<span class="onp-title"><span class="onp-dot"></span>Notepad</span>' +
+    '<span class="onp-actions">' +
+      '<button class="onp-btn" id="onp-collapse" title="Chiudi">&#10005;</button>' +
+    '</span>';
+
+  const textarea = document.createElement('textarea');
+  textarea.placeholder = 'Scrivi le tue note qui...';
+  textarea.spellcheck = false;
+
+  const footer = document.createElement('div');
+  footer.className = 'onp-footer';
+  footer.innerHTML =
+    '<span id="onp-count">0 caratteri</span>' +
+    '<span class="onp-status">&#9679; Salvato</span>';
+
+  const resizer = document.createElement('div');
+  resizer.className = 'onp-resizer';
+  resizer.title = 'Trascina per ridimensionare';
+
+  container.appendChild(header);
+  container.appendChild(textarea);
+  container.appendChild(footer);
+  container.appendChild(resizer);
+  document.body.appendChild(container);
+
+  // Pulsante per riaprire quando chiuso
+  const toggleBtn = document.createElement('button');
+  toggleBtn.id = 'ogame-notepad-toggle';
+  toggleBtn.innerHTML = '&#9654;';
+  toggleBtn.title = 'Apri notepad';
+  document.body.appendChild(toggleBtn);
+
+  const countEl = footer.querySelector('#onp-count');
+  const statusEl = footer.querySelector('.onp-status');
+
+  // ---- Persistenza ----
+  let saveTimer = null;
+  let dirty = false; // true se ci sono modifiche non ancora salvate
+  let syncing = false; // evita loop quando aggiorniamo da un'altra tab
+
+  function loadNote() {
+    try {
+      const saved = localStorage.getItem(STORAGE_KEY);
+      if (saved !== null) {
+        textarea.value = saved;
+      }
+    } catch (e) {
+      /* storage non disponibile */
+    }
+    updateCount();
+  }
+
+  function saveNote() {
+    dirty = false;
+    try {
+      localStorage.setItem(STORAGE_KEY, textarea.value);
+      statusEl.textContent = '\u25CF Salvato';
+      statusEl.style.color = '#6fbf6f';
+    } catch (e) {
+      statusEl.textContent = '\u26A0 Errore salvataggio';
+      statusEl.style.color = '#e0a050';
+    }
+  }
+
+  function updateCount() {
+    const n = textarea.value.length;
+    countEl.textContent = n + (n === 1 ? ' carattere' : ' caratteri');
+  }
+
+  // Salvataggio automatico con debounce
+  textarea.addEventListener('input', () => {
+    dirty = true;
+    updateCount();
+    statusEl.textContent = '\u25CF Salvataggio...';
+    statusEl.style.color = '#d8d8a0';
+    clearTimeout(saveTimer);
+    saveTimer = setTimeout(saveNote, 400);
+  });
+
+  // Sincronizzazione in tempo reale tra le tab dello stesso dominio.
+  // Quando un'altra tab salva, questa riceve l'evento 'storage' e aggiorna
+  // la textarea, così premendo F5 qui trovi sempre i dati più recenti.
+  window.addEventListener('storage', (e) => {
+    if (e.key !== STORAGE_KEY) return;
+    // Non sovrascrivere mentre l'utente sta digitando in questa tab
+    if (document.activeElement === textarea && dirty) return;
+    syncing = true;
+    textarea.value = e.newValue !== null ? e.newValue : '';
+    updateCount();
+    statusEl.textContent = '\u25CF Salvato';
+    statusEl.style.color = '#6fbf6f';
+    syncing = false;
+  });
+
+  // ---- Trascinamento finestra ----
+  function restorePosition() {
+    try {
+      const saved = localStorage.getItem(POS_KEY);
+      if (saved) {
+        const pos = JSON.parse(saved);
+        if (typeof pos.left === 'number' && typeof pos.top === 'number') {
+          container.style.left = pos.left + 'px';
+          container.style.top = pos.top + 'px';
+        }
+      }
+    } catch (e) {}
+  }
+
+  function restoreSize() {
+    try {
+      const saved = localStorage.getItem(SIZE_KEY);
+      if (saved) {
+        const size = JSON.parse(saved);
+        if (typeof size.w === 'number') container.style.width = size.w + 'px';
+        if (typeof size.h === 'number') container.style.height = size.h + 'px';
+      }
+    } catch (e) {}
+  }
+
+  function makeResizable() {
+    let startX = 0, startY = 0, startW = 0, startH = 0, resizing = false;
+
+    resizer.addEventListener('mousedown', (e) => {
+      resizing = true;
+      startX = e.clientX;
+      startY = e.clientY;
+      startW = container.offsetWidth;
+      startH = container.offsetHeight;
+      e.preventDefault();
+      e.stopPropagation();
+    });
+
+    window.addEventListener('mousemove', (e) => {
+      if (!resizing) return;
+      const newW = Math.max(200, startW + (e.clientX - startX));
+      const newH = Math.max(160, startH + (e.clientY - startY));
+      container.style.width = newW + 'px';
+      container.style.height = newH + 'px';
+    });
+
+    window.addEventListener('mouseup', () => {
+      if (!resizing) return;
+      resizing = false;
+      try {
+        localStorage.setItem(SIZE_KEY, JSON.stringify({
+          w: container.offsetWidth,
+          h: container.offsetHeight
+        }));
+      } catch (e) {}
+    });
+  }
+
+  function makeDraggable() {
+    let dragStartX = 0, dragStartY = 0, origLeft = 0, origTop = 0, dragging = false;
+
+    header.addEventListener('mousedown', (e) => {
+      if (e.target.closest('.onp-btn')) return; // non trascinare quando clicchi i bottoni
+      dragging = true;
+      dragStartX = e.clientX;
+      dragStartY = e.clientY;
+      const rect = container.getBoundingClientRect();
+      origLeft = rect.left;
+      origTop = rect.top;
+      e.preventDefault();
+    });
+
+    window.addEventListener('mousemove', (e) => {
+      if (!dragging) return;
+      const dx = e.clientX - dragStartX;
+      const dy = e.clientY - dragStartY;
+      container.style.left = (origLeft + dx) + 'px';
+      container.style.top = (origTop + dy) + 'px';
+    });
+
+    window.addEventListener('mouseup', () => {
+      if (!dragging) return;
+      dragging = false;
+      try {
+        localStorage.setItem(POS_KEY, JSON.stringify({
+          left: container.getBoundingClientRect().left,
+          top: container.getBoundingClientRect().top
+        }));
+      } catch (e) {}
+    });
+  }
+
+  // ---- Collapse / expand ----
+  function setCollapsed(collapsed) {
+    container.classList.toggle('collapsed', collapsed);
+    toggleBtn.style.display = collapsed ? 'block' : 'none';
+    try {
+      localStorage.setItem(COLLAPSED_KEY, collapsed ? '1' : '0');
+    } catch (e) {}
+  }
+
+  header.querySelector('#onp-collapse').addEventListener('click', () => {
+    setCollapsed(true);
+  });
+
+  toggleBtn.addEventListener('click', () => {
+    setCollapsed(false);
+    textarea.focus();
+  });
+
+  // ---- Blocca le scorciatoie di OGame quando il focus è sul notepad ----
+  // Intercetta in fase di cattura così gli handler globali di OGame
+  // (frecce, spazio, invio, ecc.) non reagiscono mentre scrivi.
+  function blockKeysWhileTyping(e) {
+    if (document.activeElement === textarea) {
+      // Blocca SOLO la propagazione verso gli handler globali di OGame,
+      // ma NON chiama preventDefault: così la textarea continua a inserire
+      // caratteri, spostare il cursore, creare nuove righe, ecc.
+      e.stopImmediatePropagation();
+      return false;
+    }
+  }
+  window.addEventListener('keydown', blockKeysWhileTyping, true);
+  window.addEventListener('keyup', blockKeysWhileTyping, true);
+  window.addEventListener('keypress', blockKeysWhileTyping, true);
+
+  // ---- Init ----
+  restorePosition();
+  restoreSize();
+  makeDraggable();
+  makeResizable();
+  loadNote();
+
+  let collapsed = false;
+  try {
+    collapsed = localStorage.getItem(COLLAPSED_KEY) === '1';
+  } catch (e) {}
+  setCollapsed(collapsed);
+
+  // Salva al cambio pagina SOLO se ci sono modifiche non ancora salvate.
+  // In questo modo una tab "stantia" non sovrascrive i dati più recenti
+  // scritti da un'altra tab quando premi F5.
+  window.addEventListener('beforeunload', () => {
+    if (dirty) {
+      clearTimeout(saveTimer);
+      saveNote();
+    }
+  });
+})();
diff --git a/icons/icon128.png b/icons/icon128.png
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diff --git a/icons/icon16.png b/icons/icon16.png
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diff --git a/icons/icon32.png b/icons/icon32.png
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diff --git a/icons/icon48.png b/icons/icon48.png
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Binary files /dev/null and b/icons/icon48.png differ
diff --git a/make_icon.py b/make_icon.py
new file mode 100644
index 0000000..bb62da7
--- /dev/null
+++ b/make_icon.py
@@ -0,0 +1,38 @@
+from PIL import Image, ImageDraw
+
+def make_icon(size):
+    img = Image.new("RGBA", (size, size), (0,0,0,0))
+    d = ImageDraw.Draw(img)
+    s = size / 128.0  # scala
+
+    def P(x, y):
+        return (int(x*s), int(y*s))
+
+    # Sfondo circolare blu-navy con bordo
+    d.ellipse([P(4,4), P(124,124)], fill=(20,36,60,255), outline=(42,74,107,255), width=int(3*s))
+
+    # Corpo del notepad (rettangolo arrotondato, carta chiara)
+    pad = [P(30,20), P(98,112)]
+    d.rounded_rectangle(pad, radius=int(8*s), fill=(224,232,244,255))
+
+    # Spirale in alto
+    for i in range(3):
+        x = 44 + i*18
+        d.ellipse([P(x,16), P(x+6,24)], fill=(42,74,107,255))
+
+    # Righe di testo
+    line_color = (150,168,196,255)
+    for i in range(5):
+        y = 38 + i*14
+        d.line([P(38,y), P(90,y)], fill=line_color, width=int(3*s))
+
+    # Penna (diagonale, oro)
+    pen = [(92,30),(112,92),(104,96),(82,34)]
+    d.polygon(pen, fill=(217,180,90,255))
+    d.polygon([(112,92),(116,86),(108,94)], fill=(217,180,90,255))
+
+    return img
+
+for sz in [16, 32, 48, 128]:
+    make_icon(sz).save(f"icons/icon{sz}.png")
+    print("creato", sz)
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..77fcede
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,22 @@
+{
+  "manifest_version": 3,
+  "name": "OGame Notepad",
+  "version": "1.0.0",
+  "description": "Notepad laterale per OGame s170-ar. Le note vengono salvate in modo persistente.",
+  "icons": {
+    "16": "icons/icon16.png",
+    "32": "icons/icon32.png",
+    "48": "icons/icon48.png",
+    "128": "icons/icon128.png"
+  },
+  "content_scripts": [
+    {
+      "matches": [
+        "https://s170-ar.ogame.gameforge.com/*"
+      ],
+      "js": ["content.js"],
+      "css": ["content.css"],
+      "run_at": "document_idle"
+    }
+  ]
+}