diff --git a/index.html b/index.html
index 7cbb9c5..e01a04f 100644
--- a/index.html
+++ b/index.html
@@ -103,7 +103,7 @@ input[type=file]{display:none}
 
 .app-screen{display:none}
 .app-screen.active{display:block}
-.profile-screen.hidden{display:none}
+.profile-screen.hidden,#loginScreen.hidden{display:none}
 
 @media(max-width:480px){
   .grid2{grid-template-columns:1fr}
@@ -117,13 +117,33 @@ input[type=file]{display:none}
 <body>
 
 <!-- PROFILE SCREEN -->
-<div class="profile-screen" id="profileScreen">
+<!-- LOGIN SCREEN -->
+<div class="profile-screen" id="loginScreen">
+  <div style="max-width:400px;margin:auto">
+    <h2>&#x1F3CA; <span>Галикон</span></h2>
+    <p class="sub">Войди в свой аккаунт</p>
+    <div class="card">
+      <input type="text" id="loginUser" placeholder="Логин">
+      <input type="password" id="loginPass" placeholder="Пароль">
+      <div id="loginError" style="color:var(--red);font-size:13px;margin-bottom:8px;display:none"></div>
+      <button class="btn" onclick="doLogin()" style="width:100%;margin-bottom:8px">&#x1F512; Войти</button>
+      <button class="btn outline" onclick="showRegister()" style="width:100%">&#x270F; Создать аккаунт</button>
+    </div>
+  </div>
+</div>
+
+<!-- REGISTER + PROFILE SCREEN -->
+<div class="profile-screen hidden" id="profileScreen">
   <h2>&#x1F3CA; <span>Галикон</span></h2>
   <p class="sub">Приложение для спортсменов. Создай свой профиль.</p>
 
   <div class="card" id="regForm">
     <h3>&#x270F; Регистрация</h3>
     <input type="text" id="regName" placeholder="Фамилия Имя Отчество">
+    <div class="grid2">
+      <input type="text" id="regLogin" placeholder="Придумай логин">
+      <input type="password" id="regPass" placeholder="Придумай пароль">
+    </div>
     <div class="grid2">
       <select id="regSport">
         <option value="">Выбери вид спорта</option>
@@ -198,6 +218,7 @@ input[type=file]{display:none}
 <header>
   <h1>&#x1F3CA; <span>Галикон</span></h1>
   <div class="header-right">
+    <button class="btn outline small" style="padding:4px 10px;font-size:11px;margin-right:4px" onclick="doLogout()">&#x1F6AA;</button>
     <span class="profile-name" id="headerName"></span>
     <div class="avatar" id="headerAvatar" onclick="showProfileScreen()"></div>
   </div>
@@ -373,8 +394,54 @@ function toast(msg) {
 }
 
 // === PROFILE SYSTEM ===
+function doLogin() {
+  const login = document.getElementById('loginUser').value.trim().toLowerCase();
+  const pass = document.getElementById('loginPass').value;
+  if (!login || !pass) { showLoginError('Введи логин и пароль!'); return; }
+  const profiles = LS('profiles') || [];
+  const profile = profiles.find(p => p.login === login && p.pass === pass);
+  if (!profile) { showLoginError('Неверный логин или пароль'); return; }
+  document.getElementById('loginScreen').classList.add('hidden');
+  document.getElementById('profileScreen').classList.add('hidden');
+  document.getElementById('loginScreen').classList.add('hidden');
+  document.getElementById('appScreen').classList.add('active');
+  loginProfile(profile.id);
+  hideLoginError();
+}
+
+function doLogout() {
+  if (confirm('Выйти из аккаунта?')) {
+    currentProfileId = null;
+    document.getElementById('appScreen').classList.remove('active');
+    document.getElementById('loginScreen').classList.remove('hidden');
+    document.getElementById('loginUser').value = '';
+    document.getElementById('loginPass').value = '';
+  }
+}
+
+function showLoginError(msg) {
+  const el = document.getElementById('loginError');
+  el.textContent = msg; el.style.display = 'block';
+}
+function hideLoginError() {
+  document.getElementById('loginError').style.display = 'none';
+}
+
+function showRegister() {
+  document.getElementById('loginScreen').classList.add('hidden');
+  document.getElementById('profileScreen').classList.remove('hidden');
+  document.getElementById('loginScreen').classList.add('hidden');
+  renderProfileList();
+}
+
 function registerProfile() {
   const name = document.getElementById('regName').value.trim();
+  const login = document.getElementById('regLogin').value.trim().toLowerCase();
+  const pass = document.getElementById('regPass').value;
+  if (!login) return toast('Придумай логин!');
+  if (!pass || pass.length < 3) return toast('Пароль — минимум 3 символа!');
+  const profiles = LS('profiles') || [];
+  if (profiles.find(p => p.login === login)) return toast('Такой логин уже занят!');
   if (!name) return toast('Введи ФИО!');
   const profile = {
     id: Date.now(),
@@ -389,14 +456,14 @@ function registerProfile() {
     rank: document.getElementById('regRank').value.trim(),
     goal: document.getElementById('regGoal').value.trim(),
     photo: document.getElementById('regPhotoPreview').src || '',
-    created: new Date().toISOString()
+    login, pass, created: new Date().toISOString()
   };
   if (profile.photo === window.location.href) profile.photo = '';
   const profiles = LS('profiles') || [];
   profiles.push(profile);
   SS('profiles', profiles);
   // Clear form
-  ['regName','regSport','regAge','regBirth','regCountry','regClub','regCity','regCoach','regRank','regGoal'].forEach(id => document.getElementById(id).value = '');
+  ['regName','regLogin','regPass','regSport','regAge','regBirth','regCountry','regClub','regCity','regCoach','regRank','regGoal'].forEach(id => document.getElementById(id).value = '');
   document.getElementById('regPhotoPreview').style.display = 'none';
   loginProfile(profile.id);
 }
@@ -459,6 +526,7 @@ function loginProfile(id) {
   const p = profiles.find(x => x.id === id);
   if (!p) return;
   document.getElementById('profileScreen').classList.add('hidden');
+  document.getElementById('loginScreen').classList.add('hidden');
   document.getElementById('appScreen').classList.add('active');
   document.getElementById('headerName').textContent = p.name.split(' ')[0];
   const av = document.getElementById('headerAvatar');
@@ -473,6 +541,7 @@ function loginProfile(id) {
 
 function showProfileScreen() {
   document.getElementById('profileScreen').classList.remove('hidden');
+  document.getElementById('loginScreen').classList.add('hidden');
   document.getElementById('appScreen').classList.remove('active');
   renderProfileList();
 }
@@ -871,10 +940,9 @@ function renderAll() {
 (function init() {
   const profiles = LS('profiles') || [];
   renderProfileList();
-  if (profiles.length > 0) {
-    // Auto-login last profile
-    loginProfile(profiles[profiles.length - 1].id);
-  }
+  // Show login screen - user must enter password
+  document.getElementById('loginScreen').classList.remove('hidden');
+  document.getElementById('appScreen').classList.remove('active');
   document.getElementById('diary-date').value = new Date().toISOString().slice(0,10);
 })();
 </script>
