diff --git a/index.html b/index.html
index 8860341..1937711 100644
--- a/index.html
+++ b/index.html
@@ -3,21 +3,23 @@
 <head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
-<title>Галикон — приложение пловца</title>
-<link rel="manifest" href="data:application/json,{}">
-<meta name="apple-mobile-web-app-capable" content="yes">
+<title>Галикон — приложение спортсмена</title>
 <style>
 :root{--ink:#0F1218;--cyan:#00E5FF;--cyan-50:#E8FCFF;--white:#fff;--gray-500:#5B6573;--gray-100:#F2F4F7;--red:#FF6B6B;--green:#4CAF50}
 *{box-sizing:border-box;margin:0;padding:0}
 body{font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;color:var(--ink);background:var(--gray-100);-webkit-tap-highlight-color:transparent}
 
-header{background:var(--ink);color:var(--white);padding:16px 20px;position:sticky;top:0;z-index:100}
-header h1{font-size:22px;font-weight:800}
+header{background:var(--ink);color:var(--white);padding:12px 20px;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:12px}
+header h1{font-size:20px;font-weight:800;white-space:nowrap}
 header h1 span{color:var(--cyan)}
+.header-right{display:flex;align-items:center;gap:8px}
+.header-right .avatar{width:34px;height:34px;border-radius:50%;background:var(--cyan);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;cursor:pointer;overflow:hidden}
+.header-right .avatar img{width:100%;height:100%;object-fit:cover}
+.header-right .profile-name{font-size:13px;color:var(--cyan);max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 
-nav.tabs{display:flex;overflow-x:auto;gap:4px;padding:8px 20px;background:var(--ink);position:sticky;top:54px;z-index:99;-webkit-overflow-scrolling:touch}
+nav.tabs{display:flex;overflow-x:auto;gap:4px;padding:8px 20px;background:var(--ink);position:sticky;top:57px;z-index:99;-webkit-overflow-scrolling:touch}
 nav.tabs::-webkit-scrollbar{display:none}
-.tab-btn{flex-shrink:0;padding:8px 16px;border-radius:20px;border:none;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;background:#1a2332;color:#9aa3b2;transition:all .2s}
+.tab-btn{flex-shrink:0;padding:8px 14px;border-radius:20px;border:none;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;background:#1a2332;color:#9aa3b2;transition:all .2s}
 .tab-btn.active{background:var(--cyan);color:var(--ink)}
 .tab-btn:active{transform:scale(.95)}
 
@@ -29,17 +31,17 @@ main{padding:20px;max-width:900px;margin:0 auto}
 .card h3 .emoji{margin-right:8px}
 
 .grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
-.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
 .stat-box{text-align:center;padding:16px 8px;background:var(--gray-100);border-radius:12px}
 .stat-box .num{font-size:28px;font-weight:800;color:var(--cyan);line-height:1}
 .stat-box .lbl{font-size:11px;color:var(--gray-500);margin-top:4px}
 
 input,select,textarea{width:100%;padding:12px;border:2px solid var(--gray-100);border-radius:10px;font:inherit;font-size:15px;margin-bottom:10px;background:var(--white);transition:border-color .2s}
 input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan)}
-.btn{display:inline-block;background:var(--cyan);color:var(--ink);padding:10px 22px;border-radius:10px;font-weight:700;border:none;font-size:15px;cursor:pointer;transition:transform .2s}
+.btn{display:inline-block;background:var(--cyan);color:var(--ink);padding:10px 22px;border-radius:10px;font-weight:700;border:none;font-size:15px;cursor:pointer;transition:transform .2s;text-align:center}
 .btn:active{transform:scale(.96)}
 .btn.danger{background:var(--red);color:#fff}
 .btn.small{padding:6px 14px;font-size:13px}
+.btn.outline{background:transparent;border:2px solid var(--cyan);color:var(--cyan)}
 
 .check-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--gray-100)}
 .check-row:last-child{border-bottom:none}
@@ -75,18 +77,80 @@ input[type=file]{display:none}
 .lightbox{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.92);z-index:200;display:flex;align-items:center;justify-content:center;cursor:pointer}
 .lightbox img,.lightbox video{max-width:95%;max-height:90vh;border-radius:8px}
 
+/* PROFILE SCREEN */
+.profile-screen{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--ink);z-index:300;display:flex;flex-direction:column;overflow-y:auto;padding:24px}
+.profile-screen h2{color:var(--white);text-align:center;margin-bottom:8px;font-size:24px}
+.profile-screen h2 span{color:var(--cyan)}
+.profile-screen .sub{color:var(--gray-500);text-align:center;margin-bottom:24px;font-size:15px}
+.profile-screen .card{background:#1a2332;border:1px solid #2a3342;margin-bottom:12px}
+.profile-screen .card h3{color:var(--white)}
+.profile-screen input,.profile-screen select,.profile-screen textarea{background:#0F1218;border-color:#2a3342;color:var(--white)}
+.profile-screen input::placeholder{color:#5b6573}
+.profile-screen label{color:var(--gray-500);font-size:13px;margin-bottom:4px;display:block}
+
+.profile-list-item{display:flex;align-items:center;gap:14px;padding:14px;background:#1a2332;border-radius:12px;margin-bottom:8px;cursor:pointer;border:2px solid transparent;transition:border-color .2s}
+.profile-list-item:hover,.profile-list-item.selected{border-color:var(--cyan)}
+.profile-list-item .av{width:44px;height:44px;border-radius:50%;background:var(--cyan);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0;overflow:hidden}
+.profile-list-item .av img{width:100%;height:100%;object-fit:cover}
+.profile-list-item .info{flex:1;color:var(--white)}
+.profile-list-item .info .name{font-weight:700;font-size:15px}
+.profile-list-item .info .sport{font-size:12px;color:var(--gray-500)}
+
+.app-screen{display:none}
+.app-screen.active{display:block}
+.profile-screen.hidden{display:none}
+
 @media(max-width:480px){
-  .grid2,.grid3{grid-template-columns:1fr}
-  header h1{font-size:18px}
-  nav.tabs{gap:2px;padding:8px 12px}
-  .tab-btn{padding:7px 12px;font-size:13px}
+  .grid2{grid-template-columns:1fr}
+  header h1{font-size:16px}
+  nav.tabs{gap:2px;padding:6px 10px}
+  .tab-btn{padding:7px 10px;font-size:12px}
   main{padding:12px}
 }
 </style>
 </head>
 <body>
 
-<header><h1>&#x1F3CA; <span>Галикон</span></h1></header>
+<!-- PROFILE SCREEN -->
+<div class="profile-screen" 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="regSport" placeholder="Вид спорта (плавание, бокс...)">
+      <input type="number" id="regAge" placeholder="Возраст" min="5" max="100">
+    </div>
+    <input type="text" id="regClub" placeholder="Клуб / спортивная школа">
+    <div class="grid2">
+      <input type="text" id="regCity" placeholder="Город">
+      <input type="text" id="regCoach" placeholder="Тренер (ФИО)">
+    </div>
+    <div class="grid2">
+      <input type="text" id="regRank" placeholder="Разряд / звание">
+      <input type="text" id="regGoal" placeholder="Главная цель">
+    </div>
+    <label class="file-btn" style="margin-bottom:10px">&#x1F4F7; Фото профиля<input type="file" accept="image/*" id="regPhoto" onchange="previewRegPhoto()"></label>
+    <img id="regPhotoPreview" style="width:80px;height:80px;border-radius:50%;object-fit:cover;display:none;margin:0 auto 10px">
+    <button class="btn" onclick="registerProfile()" style="width:100%">&#x1F44D; Создать профиль</button>
+  </div>
+
+  <div style="text-align:center;color:var(--gray-500);font-size:14px;margin-bottom:12px">— или —</div>
+
+  <div id="profileList"></div>
+</div>
+
+<!-- APP SCREEN -->
+<div class="app-screen" id="appScreen">
+<header>
+  <h1>&#x1F3CA; <span>Галикон</span></h1>
+  <div class="header-right">
+    <span class="profile-name" id="headerName"></span>
+    <div class="avatar" id="headerAvatar" onclick="showProfileScreen()"></div>
+  </div>
+</header>
 
 <nav class="tabs">
   <button class="tab-btn active" data-tab="diary">&#x1F4D6; Дневник</button>
@@ -111,18 +175,12 @@ input[type=file]{display:none}
       <input type="text" id="diary-note" placeholder="Заметка (что получилось, над чем работать)">
       <button class="btn" onclick="addDiary()" style="width:100%">&#x2705; Сохранить</button>
     </div>
-    <div class="card">
-      <h3><span class="emoji">&#x1F4C8;</span>История</h3>
-      <div id="diary-list" class="empty"><div class="big">&#x1F4AD;</div>Пока нет записей. Добавь первую!</div>
-    </div>
+    <div id="diary-list" class="empty"><div class="big">&#x1F4AD;</div>Пока нет записей. Добавь первую!</div>
   </div>
 
   <!-- ЗДОРОВЬЕ -->
   <div class="tab-content" id="health">
-    <div class="card">
-      <h3><span class="emoji">&#x1F48A;</span>Витамины на сегодня</h3>
-      <div id="vitamins-check"></div>
-    </div>
+    <div class="card"><h3><span class="emoji">&#x1F48A;</span>Витамины на сегодня</h3><div id="vitamins-check"></div></div>
     <div class="card">
       <h3><span class="emoji">&#x1F4A4;</span>Сон и самочувствие</h3>
       <div class="grid2">
@@ -135,8 +193,7 @@ input[type=file]{display:none}
     <div class="card">
       <h3><span class="emoji">&#x1F4C5;</span>Анализы</h3>
       <select id="test-select"><option value="">Выбери анализ</option><option value="hb">Гемоглобин (г/л)</option><option value="ferritin">Ферритин (мкг/л)</option><option value="vitd">Витамин D (нг/мл)</option><option value="b12">Витамин B12 (пг/мл)</option></select>
-      <input type="number" id="test-value" placeholder="Значение">
-      <input type="date" id="test-date">
+      <input type="number" id="test-value" placeholder="Значение"><input type="date" id="test-date">
       <button class="btn" onclick="saveTest()" style="width:100%">Сохранить анализ</button>
       <div id="test-history" style="margin-top:8px;font-size:13px;color:var(--gray-500)"></div>
     </div>
@@ -145,7 +202,7 @@ input[type=file]{display:none}
   <!-- НОРМАТИВЫ -->
   <div class="tab-content" id="norms">
     <div class="card">
-      <h3><span class="emoji">&#x1F3CA;</span>Разряды по плаванию — 50 м в/с (мужчины)</h3>
+      <h3><span class="emoji">&#x1F3CA;</span>Разряды — 50 м в/с (мужчины, бассейн 50 м)</h3>
       <table>
         <thead><tr><th>Разряд</th><th>50 м в/с</th><th>100 м в/с</th><th>400 м в/с</th></tr></thead>
         <tbody>
@@ -160,26 +217,17 @@ input[type=file]{display:none}
         </tbody>
       </table>
     </div>
-    <div class="card">
-      <h3><span class="emoji">&#x1F3AF;</span>Твой прогресс: 34″ → 23″</h3>
-      <div style="margin-bottom:8px;display:flex;justify-content:space-between;font-size:13px"><span>3 взр. (35″)</span><span>ТЫ (34″)</span><span>КМС (25″)</span><span>МС (23″)</span></div>
-      <div class="progress-bar"><div class="fill" style="width:8%"></div></div>
-      <div style="margin-top:8px;font-size:13px;color:var(--gray-500)">Ты уже перешагнул 3 взрослый! До КМС — 9 секунд.</div>
-    </div>
   </div>
 
-  <!-- ВИДЕОАНАЛИЗ -->
+  <!-- ВИДЕО -->
   <div class="tab-content" id="video">
     <div class="card">
       <h3><span class="emoji">&#x1F4F9;</span>Загрузи видео заплыва</h3>
-      <p style="color:var(--gray-500);font-size:14px;margin-bottom:12px">Сними свой заплыв на телефон сбоку от бортика. Загрузи сюда — смотри в повторе и анализируй технику.</p>
+      <p style="color:var(--gray-500);font-size:14px;margin-bottom:12px">Сними заплыв сбоку от бортика. Загрузи — смотри в повторе, анализируй технику.</p>
       <label class="file-btn">&#x1F4C1; Выбрать видео<input type="file" accept="video/*" onchange="uploadVideo(this)"></label>
       <div id="video-container"></div>
     </div>
-    <div class="card">
-      <h3><span class="emoji">&#x1F3AC;</span>Мои видео</h3>
-      <div id="video-list" class="empty"><div class="big">&#x1F3A5;</div>Загрузи первое видео заплыва!</div>
-    </div>
+    <div id="video-list" class="empty"><div class="big">&#x1F3A5;</div>Загрузи первое видео заплыва!</div>
   </div>
 
   <!-- ФОТО -->
@@ -188,10 +236,7 @@ input[type=file]{display:none}
       <h3><span class="emoji">&#x1F4F8;</span>Добавить фото</h3>
       <label class="file-btn">&#x1F4C1; Выбрать фото<input type="file" accept="image/*" multiple onchange="uploadPhotos(this)"></label>
     </div>
-    <div class="card">
-      <h3><span class="emoji">&#x1F5BC;</span>Галерея</h3>
-      <div class="photo-grid" id="photo-grid"><div class="empty" style="grid-column:1/-1"><div class="big">&#x1F4F7;</div>Добавь первые фото!</div></div>
-    </div>
+    <div class="card"><h3><span class="emoji">&#x1F5BC;</span>Галерея</h3><div class="photo-grid" id="photo-grid"><div class="empty" style="grid-column:1/-1"><div class="big">&#x1F4F7;</div>Добавь первые фото!</div></div></div>
   </div>
 
   <!-- ОЦЕНКИ -->
@@ -206,11 +251,11 @@ input[type=file]{display:none}
     </div>
     <div class="card">
       <h3><span class="emoji">&#x1F4CA;</span>Успеваемость</h3>
-      <div class="grid2" id="grades-summary" style="margin-bottom:12px">
+      <div class="grid2" style="margin-bottom:12px">
         <div class="stat-box"><div class="num" id="gpa-display">—</div><div class="lbl">Средний балл</div></div>
         <div class="stat-box"><div class="num" id="grades-count">0</div><div class="lbl">Оценок</div></div>
       </div>
-      <div id="grades-list" class="empty"><div class="big">&#x1F393;</div>Добавь оценки по предметам</div>
+      <div id="grades-list" class="empty"><div class="big">&#x1F393;</div>Добавь оценки</div>
     </div>
   </div>
 
@@ -218,24 +263,23 @@ input[type=file]{display:none}
   <div class="tab-content" id="lessons">
     <div class="card">
       <h3><span class="emoji">&#x1F4FA;</span>Обучающие видео</h3>
-      <p style="color:var(--gray-500);font-size:14px;margin-bottom:12px">Открой YouTube и вбей эти запросы — там лучшие уроки по технике плавания:</p>
+      <p style="color:var(--gray-500);font-size:14px;margin-bottom:12px">Найди на YouTube эти запросы — лучшие уроки по технике:</p>
       <div id="lesson-list"></div>
     </div>
   </div>
 </main>
+</div>
 
 <div class="toast" id="toast">Сохранено!</div>
 <div class="lightbox" id="lightbox" style="display:none" onclick="this.style.display='none'"></div>
 
 <script>
-const LS = key => {
-  try { const v = localStorage.getItem('galikon_'+key); return v ? JSON.parse(v) : null }
-  catch { return null }
-};
-const SS = (key, val) => {
-  try { localStorage.setItem('galikon_'+key, JSON.stringify(val)) }
-  catch { toast('Память браузера заполнена!') }
-};
+// === STORAGE HELPERS ===
+const LS = key => { try { const v = localStorage.getItem('galikon_'+key); return v ? JSON.parse(v) : null } catch { return null } };
+const SS = (key, val) => { try { localStorage.setItem('galikon_'+key, JSON.stringify(val)) } catch { toast('Память браузера заполнена!') } };
+
+let currentProfileId = null;
+function pid() { return currentProfileId || 'default'; }
 
 function toast(msg) {
   const t = document.getElementById('toast');
@@ -243,6 +287,88 @@ function toast(msg) {
   setTimeout(() => t.classList.remove('show'), 2000);
 }
 
+// === PROFILE SYSTEM ===
+function registerProfile() {
+  const name = document.getElementById('regName').value.trim();
+  if (!name) return toast('Введи ФИО!');
+  const profile = {
+    id: Date.now(),
+    name,
+    sport: document.getElementById('regSport').value.trim(),
+    age: document.getElementById('regAge').value,
+    club: document.getElementById('regClub').value.trim(),
+    city: document.getElementById('regCity').value.trim(),
+    coach: document.getElementById('regCoach').value.trim(),
+    rank: document.getElementById('regRank').value.trim(),
+    goal: document.getElementById('regGoal').value.trim(),
+    photo: document.getElementById('regPhotoPreview').src || '',
+    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','regClub','regCity','regCoach','regRank','regGoal'].forEach(id => document.getElementById(id).value = '');
+  document.getElementById('regPhotoPreview').style.display = 'none';
+  loginProfile(profile.id);
+}
+
+function previewRegPhoto() {
+  const f = document.getElementById('regPhoto').files[0];
+  if (!f) return;
+  const r = new FileReader();
+  r.onload = e => { const img = document.getElementById('regPhotoPreview'); img.src = e.target.result; img.style.display = 'block'; };
+  r.readAsDataURL(f);
+}
+
+function loginProfile(id) {
+  currentProfileId = id;
+  const profiles = LS('profiles') || [];
+  const p = profiles.find(x => x.id === id);
+  if (!p) return;
+  document.getElementById('profileScreen').classList.add('hidden');
+  document.getElementById('appScreen').classList.add('active');
+  document.getElementById('headerName').textContent = p.name.split(' ')[0];
+  const av = document.getElementById('headerAvatar');
+  if (p.photo) {
+    av.innerHTML = `<img src="${p.photo}" alt="">`;
+  } else {
+    av.innerHTML = p.name.charAt(0).toUpperCase();
+  }
+  renderAll();
+}
+
+function showProfileScreen() {
+  document.getElementById('profileScreen').classList.remove('hidden');
+  document.getElementById('appScreen').classList.remove('active');
+  renderProfileList();
+}
+
+function deleteProfile(id) {
+  if (!confirm('Удалить профиль? Все данные будут потеряны.')) return;
+  const profiles = (LS('profiles') || []).filter(p => p.id !== id);
+  SS('profiles', profiles);
+  if (currentProfileId === id) { currentProfileId = null; document.getElementById('appScreen').classList.remove('active'); }
+  renderProfileList();
+}
+
+function renderProfileList() {
+  const profiles = LS('profiles') || [];
+  const el = document.getElementById('profileList');
+  if (!profiles.length) { el.innerHTML = '<p style="color:var(--gray-500);text-align:center">Нет профилей. Создай первый!</p>'; return; }
+  el.innerHTML = profiles.map(p => `
+    <div class="profile-list-item ${p.id === currentProfileId ? 'selected' : ''}" onclick="loginProfile(${p.id})">
+      <div class="av">${p.photo ? `<img src="${p.photo}">` : p.name.charAt(0).toUpperCase()}</div>
+      <div class="info">
+        <div class="name">${p.name}</div>
+        <div class="sport">${[p.sport, p.club, p.age ? p.age+' лет' : '', p.rank].filter(Boolean).join(' · ')}</div>
+      </div>
+      <button class="btn danger small" style="flex-shrink:0" onclick="event.stopPropagation();deleteProfile(${p.id})">&#x1F5D1;</button>
+    </div>
+  `).join('');
+}
+
 // === TABS ===
 document.querySelectorAll('.tab-btn').forEach(btn => {
   btn.addEventListener('click', () => {
@@ -250,8 +376,6 @@ document.querySelectorAll('.tab-btn').forEach(btn => {
     document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
     btn.classList.add('active');
     document.getElementById(btn.dataset.tab).classList.add('active');
-    if (btn.dataset.tab === 'norms') renderNorms();
-    if (btn.dataset.tab === 'grades') renderGrades();
   });
 });
 
@@ -267,24 +391,21 @@ function addDiary() {
     id: Date.now()
   };
   if (!entry.date) return toast('Выбери дату!');
-  const diary = LS('diary') || [];
-  diary.unshift(entry);
-  SS('diary', diary.slice(0, 200));
-  document.getElementById('diary-date').value = '';
-  document.getElementById('diary-type').value = '';
-  document.getElementById('diary-km').value = '';
-  document.getElementById('diary-time').value = '';
-  document.getElementById('diary-feel').value = '';
-  document.getElementById('diary-note').value = '';
+  const all = LS('diary_all') || {};
+  if (!all[pid()]) all[pid()] = [];
+  all[pid()].unshift(entry);
+  SS('diary_all', all);
+  ['diary-date','diary-type','diary-km','diary-time','diary-feel','diary-note'].forEach(id => document.getElementById(id).value = '');
   renderDiary();
   toast('Запись добавлена!');
 }
 
 function renderDiary() {
-  const diary = LS('diary') || [];
+  const all = LS('diary_all') || {};
+  const diary = all[pid()] || [];
   const el = document.getElementById('diary-list');
   if (!diary.length) { el.innerHTML = '<div class="empty"><div class="big">&#x1F4AD;</div>Пока нет записей. Добавь первую!</div>'; return; }
-  el.innerHTML = diary.slice(0, 30).map(e => `<div class="card" style="margin-bottom:8px;padding:16px">
+  el.innerHTML = diary.slice(0,30).map(e => `<div class="card" style="margin-bottom:8px;padding:16px">
     <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:4px">
       <strong>${e.date}</strong> <span class="badge blue">${e.type}</span>
     </div>
@@ -297,13 +418,15 @@ function renderDiary() {
 }
 
 function deleteDiary(id) {
-  const diary = (LS('diary') || []).filter(e => e.id !== id);
-  SS('diary', diary);
+  const all = LS('diary_all') || {};
+  if (!all[pid()]) return;
+  all[pid()] = all[pid()].filter(e => e.id !== id);
+  SS('diary_all', all);
   renderDiary();
   toast('Удалено');
 }
 
-// === HEALTH: VITAMINS ===
+// === HEALTH ===
 const vitamins = [
   { id: 'd3', name: 'Витамин D3', dose: '2000-4000 МЕ', when: 'Утром' },
   { id: 'omega', name: 'Омега-3', dose: '1000 мг', when: 'Утром' },
@@ -314,7 +437,8 @@ const vitamins = [
 
 function renderVitamins() {
   const today = new Date().toISOString().slice(0,10);
-  const taken = LS('vitamins_taken') || {};
+  const all = LS('vitamins_all') || {};
+  const taken = all[pid()] || {};
   const el = document.getElementById('vitamins-check');
   el.innerHTML = vitamins.map(v => {
     const isTaken = taken[today] && taken[today][v.id];
@@ -322,32 +446,34 @@ function renderVitamins() {
       <input type="checkbox" ${isTaken ? 'checked' : ''} onchange="toggleVitamin('${v.id}')" id="vit_${v.id}">
       <label for="vit_${v.id}">${v.name} (${v.dose}) — ${v.when}</label>
     </div>`;
-  }).join('') + `<div style="margin-top:8px;font-size:13px;color:var(--gray-500)">Принято: ${countTaken(today)} из ${vitamins.length}</div>`;
+  }).join('') + `<div style="margin-top:8px;font-size:13px;color:var(--gray-500)">Принято: ${countTaken()} из ${vitamins.length}</div>`;
 }
 
-function countTaken(date) {
-  const taken = LS('vitamins_taken') || {};
-  return taken[date] ? Object.values(taken[date]).filter(Boolean).length : 0;
+function countTaken() {
+  const all = LS('vitamins_all') || {};
+  const taken = all[pid()] || {};
+  const today = new Date().toISOString().slice(0,10);
+  return taken[today] ? Object.values(taken[today]).filter(Boolean).length : 0;
 }
 
 function toggleVitamin(id) {
   const today = new Date().toISOString().slice(0,10);
-  const taken = LS('vitamins_taken') || {};
-  if (!taken[today]) taken[today] = {};
-  taken[today][id] = !taken[today][id];
-  SS('vitamins_taken', taken);
+  const all = LS('vitamins_all') || {};
+  if (!all[pid()]) all[pid()] = {};
+  if (!all[pid()][today]) all[pid()][today] = {};
+  all[pid()][today][id] = !all[pid()][today][id];
+  SS('vitamins_all', all);
   renderVitamins();
-  toast(taken[today][id] ? 'Принято!' : 'Отменено');
 }
 
-// === HEALTH: SLEEP ===
 function saveSleep() {
   const h = document.getElementById('sleep-hours').value;
   const p = document.getElementById('morning-pulse').value;
   if (!h && !p) return toast('Введи данные!');
-  const sleep = LS('sleep') || [];
-  sleep.unshift({ date: new Date().toISOString().slice(0,10), hours: +h || 0, pulse: +p || 0 });
-  SS('sleep', sleep.slice(0, 90));
+  const all = LS('sleep_all') || {};
+  if (!all[pid()]) all[pid()] = [];
+  all[pid()].unshift({ date: new Date().toISOString().slice(0,10), hours: +h || 0, pulse: +p || 0 });
+  SS('sleep_all', all);
   document.getElementById('sleep-hours').value = '';
   document.getElementById('morning-pulse').value = '';
   renderSleep();
@@ -355,25 +481,27 @@ function saveSleep() {
 }
 
 function renderSleep() {
-  const sleep = LS('sleep') || [];
+  const all = LS('sleep_all') || {};
+  const sleep = all[pid()] || [];
   const el = document.getElementById('sleep-stats');
   if (!sleep.length) { el.innerHTML = ''; return; }
-  const last7 = sleep.slice(0, 7);
+  const last7 = sleep.slice(0,7).filter(e => e.hours > 0);
+  if (!last7.length) { el.innerHTML = ''; return; }
   const avgH = (last7.reduce((s,e) => s+e.hours, 0) / last7.length).toFixed(1);
-  const avgP = (last7.reduce((s,e) => s+e.pulse, 0) / last7.length).toFixed(0);
-  el.innerHTML = `Последние 7 дней: средний сон <strong>${avgH} ч</strong>, средний пульс <strong>${avgP} уд/мин</strong>`;
+  const avgP = last7.filter(e => e.pulse > 0).length ? (last7.filter(e=>e.pulse>0).reduce((s,e) => s+e.pulse, 0) / last7.filter(e=>e.pulse>0).length).toFixed(0) : '—';
+  el.innerHTML = `Последние 7 дней: сон <strong>${avgH} ч</strong>, пульс <strong>${avgP} уд/мин</strong>`;
 }
 
-// === HEALTH: TESTS ===
 function saveTest() {
   const type = document.getElementById('test-select').value;
   const val = document.getElementById('test-value').value;
   const date = document.getElementById('test-date').value;
   if (!type || !val || !date) return toast('Заполни все поля!');
-  const tests = LS('tests') || {};
-  if (!tests[type]) tests[type] = [];
-  tests[type].push({ date, value: +val });
-  SS('tests', tests);
+  const all = LS('tests_all') || {};
+  if (!all[pid()]) all[pid()] = {};
+  if (!all[pid()][type]) all[pid()][type] = [];
+  all[pid()][type].push({ date, value: +val });
+  SS('tests_all', all);
   document.getElementById('test-value').value = '';
   document.getElementById('test-date').value = '';
   renderTests();
@@ -381,32 +509,29 @@ function saveTest() {
 }
 
 function renderTests() {
-  const tests = LS('tests') || {};
+  const all = LS('tests_all') || {};
+  const tests = all[pid()] || {};
+  const labels = { hb: 'Гемоглобин (120-150)', ferritin: 'Ферритин (30-100)', vitd: 'Витамин D (50-80)', b12: 'B12 (200-900)' };
   const el = document.getElementById('test-history');
-  const labels = { hb: 'Гемоглобин (норма 120-150)', ferritin: 'Ферритин (норма 30-100)', vitd: 'Витамин D (норма 50-80)', b12: 'B12 (норма 200-900)' };
   el.innerHTML = Object.entries(tests).map(([k,vals]) => {
     const last = vals.slice(-3).reverse().map(v => `${v.date}: <strong>${v.value}</strong>`).join(' | ');
     return `<div style="margin-bottom:6px;font-size:13px">${labels[k] || k}: ${last}</div>`;
   }).join('') || 'Нет сохранённых анализов';
 }
 
-// === NORMS ===
-function renderNorms() {}
-
 // === VIDEO ===
 function uploadVideo(input) {
   const file = input.files[0];
   if (!file) return;
-  if (file.size > 100 * 1024 * 1024) return toast('Видео слишком большое (макс 100 МБ)');
+  if (file.size > 100*1024*1024) return toast('Видео слишком большое (макс 100 МБ)');
   const reader = new FileReader();
   reader.onload = function(e) {
     const videoData = { name: file.name, data: e.target.result, date: new Date().toLocaleDateString('ru-RU'), id: Date.now() };
-    const videos = LS('videos') || [];
-    videos.unshift(videoData);
-    SS('videos', videos.slice(0, 20));
-    document.getElementById('video-container').innerHTML = `
-      <video class="video-preview" controls src="${e.target.result}" style="margin-top:8px"></video>
-      <div style="margin-top:8px;font-size:12px;color:var(--gray-500)">&#x1F4AC; Смотри в повторе: старт, гребок, поворот, финиш. Где теряешь время?</div>`;
+    const all = LS('videos_all') || {};
+    if (!all[pid()]) all[pid()] = [];
+    all[pid()].unshift(videoData);
+    SS('videos_all', all);
+    document.getElementById('video-container').innerHTML = `<video class="video-preview" controls src="${e.target.result}" style="margin-top:8px"></video>`;
     renderVideos();
     toast('Видео загружено!');
   };
@@ -414,40 +539,37 @@ function uploadVideo(input) {
 }
 
 function renderVideos() {
-  const videos = LS('videos') || [];
+  const all = LS('videos_all') || {};
+  const videos = all[pid()] || [];
   const el = document.getElementById('video-list');
-  if (!videos.length) { el.innerHTML = '<div class="empty"><div class="big">&#x1F3A5;</div>Загрузи первое видео заплыва!</div>'; return; }
-  el.innerHTML = videos.map(v => `<div class="card" style="padding:12px;margin-bottom:8px;cursor:pointer" onclick="showLightbox('video','${v.id}')">
-    <strong>${v.name}</strong> <span style="color:var(--gray-500);font-size:13px">— ${v.date}</span>
-  </div>`).join('');
+  if (!videos.length) { el.innerHTML = '<div class="empty"><div class="big">&#x1F3A5;</div>Загрузи первое видео!</div>'; return; }
+  el.innerHTML = videos.map(v => `<div class="card" style="padding:12px;margin-bottom:8px;cursor:pointer" onclick="showLightbox('video','${v.id}')"><strong>${v.name}</strong> <span style="color:var(--gray-500);font-size:13px">— ${v.date}</span></div>`).join('');
 }
 
 // === PHOTOS ===
 function uploadPhotos(input) {
   const files = Array.from(input.files);
   if (!files.length) return;
-  const photos = LS('photos') || [];
+  const all = LS('photos_all') || {};
+  if (!all[pid()]) all[pid()] = [];
   let loaded = 0;
-  files.forEach(file => {
-    if (file.size > 10 * 1024 * 1024) return toast('Фото слишком большое (макс 10 МБ)');
+  files.slice(0,10).forEach(file => {
+    if (file.size > 10*1024*1024) return;
     const reader = new FileReader();
     reader.onload = function(e) {
-      photos.unshift({ name: file.name, data: e.target.result, date: new Date().toLocaleDateString('ru-RU'), id: Date.now() + loaded });
+      all[pid()].unshift({ name: file.name, data: e.target.result, date: new Date().toLocaleDateString('ru-RU'), id: Date.now()+loaded });
       loaded++;
-      if (loaded === files.length || loaded >= 10) {
-        SS('photos', photos.slice(0, 50));
-        renderPhotos();
-        toast(loaded + ' фото добавлено!');
-      }
+      if (loaded === Math.min(files.length, 10)) { SS('photos_all', all); renderPhotos(); toast(loaded+' фото!'); }
     };
     reader.readAsDataURL(file);
   });
 }
 
 function renderPhotos() {
-  const photos = LS('photos') || [];
+  const all = LS('photos_all') || {};
+  const photos = all[pid()] || [];
   const el = document.getElementById('photo-grid');
-  if (!photos.length) { el.innerHTML = '<div class="empty" style="grid-column:1/-1"><div class="big">&#x1F4F7;</div>Добавь первые фото!</div>'; return; }
+  if (!photos.length) { el.innerHTML = '<div class="empty" style="grid-column:1/-1"><div class="big">&#x1F4F7;</div>Добавь фото!</div>'; return; }
   el.innerHTML = photos.map(p => `<img src="${p.data}" alt="${p.name}" onclick="showLightbox('photo','${p.id}')">`).join('');
 }
 
@@ -456,48 +578,42 @@ function addGrade() {
   const subject = document.getElementById('grade-subject').value.trim();
   const grade = +document.getElementById('grade-value').value;
   if (!subject) return toast('Введи предмет!');
-  const grades = LS('grades') || {};
-  if (!grades[subject]) grades[subject] = [];
-  grades[subject].push({ grade, date: new Date().toISOString().slice(0,10) });
-  SS('grades', grades);
+  const all = LS('grades_all') || {};
+  if (!all[pid()]) all[pid()] = {};
+  if (!all[pid()][subject]) all[pid()][subject] = [];
+  all[pid()][subject].push({ grade, date: new Date().toISOString().slice(0,10) });
+  SS('grades_all', all);
   document.getElementById('grade-subject').value = '';
   renderGrades();
   toast('Оценка добавлена!');
 }
 
 function renderGrades() {
-  const grades = LS('grades') || {};
-  const el = document.getElementById('grades-list');
+  const all = LS('grades_all') || {};
+  const grades = all[pid()] || {};
   const allGrades = [];
-  Object.entries(grades).forEach(([subject, vals]) => {
-    vals.forEach(v => allGrades.push({ subject, ...v }));
-  });
-  const avg = allGrades.length ? (allGrades.reduce((s,v) => s+v.grade, 0) / allGrades.length).toFixed(2) : '—';
+  Object.entries(grades).forEach(([s,vals]) => vals.forEach(v => allGrades.push({ subject:s, ...v })));
+  const avg = allGrades.length ? (allGrades.reduce((s,v) => s+v.grade, 0)/allGrades.length).toFixed(2) : '—';
   document.getElementById('gpa-display').textContent = avg;
   document.getElementById('grades-count').textContent = allGrades.length;
-
-  if (!Object.keys(grades).length) {
-    el.innerHTML = '<div class="empty"><div class="big">&#x1F393;</div>Добавь оценки по предметам</div>';
-    return;
-  }
+  const el = document.getElementById('grades-list');
+  if (!Object.keys(grades).length) { el.innerHTML = '<div class="empty"><div class="big">&#x1F393;</div>Добавь оценки</div>'; return; }
   el.innerHTML = Object.entries(grades).map(([subject, vals]) => {
-    const subjAvg = (vals.reduce((s,v) => s+v.grade, 0) / vals.length).toFixed(1);
-    const last5 = vals.slice(-5).map(v => v.grade).join(', ');
+    const subjAvg = (vals.reduce((s,v) => s+v.grade,0)/vals.length).toFixed(1);
     return `<div class="card" style="padding:16px;margin-bottom:8px">
       <div style="display:flex;justify-content:space-between;align-items:center">
         <strong>${subject}</strong>
-        <span class="badge ${+subjAvg >= 4.5 ? 'gold' : +subjAvg >= 3.5 ? 'blue' : 'badge'}" style="background:${+subjAvg >= 4.5 ? '#FFF3CD' : +subjAvg >=3.5 ? 'var(--cyan-50)' : '#FEE'};color:${+subjAvg >= 4.5 ? '#856404' : +subjAvg >=3.5 ? 'var(--ink)' : '#c00'}">${subjAvg}</span>
+        <span class="badge ${+subjAvg>=4.5?'gold':+subjAvg>=3.5?'blue':''}" style="background:${+subjAvg>=4.5?'#FFF3CD':+subjAvg>=3.5?'var(--cyan-50)':'#FEE'};color:${+subjAvg>=4.5?'#856404':+subjAvg>=3.5?'var(--ink)':'#c00'}">${subjAvg}</span>
       </div>
-      <div style="font-size:13px;color:var(--gray-500)">Оценки: ${last5}</div>
+      <div style="font-size:13px;color:var(--gray-500)">Последние: ${vals.slice(-5).map(v=>v.grade).join(', ')}</div>
       <button class="btn danger small" style="margin-top:6px" onclick="deleteGrades('${subject}')">Сбросить</button>
     </div>`;
   }).join('');
 }
 
 function deleteGrades(subject) {
-  const grades = LS('grades') || {};
-  delete grades[subject];
-  SS('grades', grades);
+  const all = LS('grades_all') || {};
+  if (all[pid()]) { delete all[pid()][subject]; SS('grades_all', all); }
   renderGrades();
   toast('Удалено');
 }
@@ -505,49 +621,55 @@ function deleteGrades(subject) {
 // === LIGHTBOX ===
 function showLightbox(type, id) {
   const lb = document.getElementById('lightbox');
-  const items = LS(type === 'photo' ? 'photos' : 'videos') || [];
+  const key = type === 'photo' ? 'photos_all' : 'videos_all';
+  const all = LS(key) || {};
+  const items = all[pid()] || [];
   const item = items.find(i => i.id == id);
   if (!item) return;
-  if (type === 'photo') {
-    lb.innerHTML = `<img src="${item.data}" alt="${item.name}">`;
-  } else {
-    lb.innerHTML = `<video controls src="${item.data}" style="max-width:95%;max-height:90vh"></video>`;
-  }
+  lb.innerHTML = type === 'photo' ? `<img src="${item.data}">` : `<video controls src="${item.data}" style="max-width:95%;max-height:90vh"></video>`;
   lb.style.display = 'flex';
 }
 
 // === LESSONS ===
 const lessons = [
   { title: 'Техника старта с тумбы', q: 'swimming start technique tutorial' },
-  { title: 'Поворот кувырком — идеальная техника', q: 'flip turn swimming technique' },
-  { title: 'Как плыть быстрее: гребок и пронос', q: 'freestyle stroke technique fast' },
-  { title: 'Дыхание в кроле — не задыхайся', q: 'freestyle breathing technique for beginners' },
+  { title: 'Поворот кувырком', q: 'flip turn swimming technique' },
+  { title: 'Гребок и пронос в кроле', q: 'freestyle stroke technique fast' },
+  { title: 'Дыхание в кроле', q: 'freestyle breathing technique' },
   { title: 'Дельфиньи удары под водой', q: 'underwater dolphin kick technique' },
-  { title: 'Брасс: техника ног и рук', q: 'breaststroke technique tutorial' },
-  { title: 'Бабочка: как не уставать', q: 'butterfly stroke technique for beginners' },
-  { title: 'Разбор заплыва Калеба Дрессела', q: 'Caeleb Dressel 50m freestyle technique analysis' },
-  { title: 'Растяжка для пловцов', q: 'swimming stretching routine flexibility' },
-  { title: 'Силовые упражнения для пловцов на суше', q: 'dryland training swimming exercises' },
-  { title: 'Психология победителя — настрой на старт', q: 'swimming race psychology mental preparation' },
-  { title: 'Питание пловца — что есть до и после', q: 'swimmer nutrition meal plan' }
+  { title: 'Брасс: техника', q: 'breaststroke technique tutorial' },
+  { title: 'Калеб Дрессел — анализ', q: 'Caeleb Dressel 50m freestyle analysis' },
+  { title: 'Растяжка для пловцов', q: 'swimming stretching routine' },
+  { title: 'Силовые на суше', q: 'dryland training swimming' },
+  { title: 'Психология старта', q: 'swimming race psychology preparation' },
+  { title: 'Питание пловца', q: 'swimmer nutrition meal plan' },
+  { title: 'Восстановление после тренировки', q: 'swimming recovery routine' }
 ];
-
 document.getElementById('lesson-list').innerHTML = lessons.map(l =>
-  `<div class="card" style="padding:14px;margin-bottom:6px">
-    <strong>${l.title}</strong>
-    <div style="font-size:12px;color:var(--gray-500);margin-top:4px">Найди на YouTube: <em>${l.q}</em></div>
-  </div>`
+  `<div class="card" style="padding:14px;margin-bottom:6px"><strong>${l.title}</strong><div style="font-size:12px;color:var(--gray-500);margin-top:4px">YouTube: <em>${l.q}</em></div></div>`
 ).join('');
 
+// === RENDER ALL ===
+function renderAll() {
+  renderDiary();
+  renderVitamins();
+  renderSleep();
+  renderTests();
+  renderVideos();
+  renderPhotos();
+  renderGrades();
+}
+
 // === INIT ===
-renderDiary();
-renderVitamins();
-renderSleep();
-renderTests();
-renderVideos();
-renderPhotos();
-renderGrades();
-document.getElementById('diary-date').value = new Date().toISOString().slice(0,10);
+(function init() {
+  const profiles = LS('profiles') || [];
+  renderProfileList();
+  if (profiles.length > 0) {
+    // Auto-login last profile
+    loginProfile(profiles[profiles.length - 1].id);
+  }
+  document.getElementById('diary-date').value = new Date().toISOString().slice(0,10);
+})();
 </script>
 </body>
 </html>
\ No newline at end of file
