diff --git a/public_html/_incl/pre-body.php b/public_html/_incl/pre-body.php
index d7b6592..9a39d47 100755
--- a/public_html/_incl/pre-body.php
+++ b/public_html/_incl/pre-body.php
@@ -38,412 +38,361 @@ if (!empty($displayName)) {
   <link rel="stylesheet" href="/static/bootstrap.min.css" />
   <link rel="icon" type="image/png" href="/static/<?php echo $APP_ICON ?? "logo.png"; ?>" />
   <link rel="manifest" href="/static/manifest.json">
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Google+Sans:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 
 <body>
   <style>
-    /* fieldset label {
-      margin-bottom: 15px;
+    /* ─── Google Workspace Design System ─────────────────────────────── */
+    :root {
+      --gw-font: 'Google Sans', 'Roboto', 'Arial', sans-serif;
+      --gw-blue: #1a73e8;
+      --gw-blue-hover: #1765cc;
+      --gw-blue-light: #e8f0fe;
+      --gw-text-primary: #202124;
+      --gw-text-secondary: #5f6368;
+      --gw-bg: #f0f4f9;
+      --gw-surface: #ffffff;
+      --gw-border: #dadce0;
+      --gw-hover: #f1f3f4;
+      --gw-header-h: 64px;
+      --gw-sidebar-w: 256px;
+      --gw-brand: #9013FE;
+      --bs-btn-font-family: 'Google Sans', 'Roboto', Arial, sans-serif;
+      --bs-body-font-family: 'Google Sans', 'Roboto', Arial, sans-serif;
+      --bs-font-sans-serif: 'Google Sans', 'Roboto', Arial, sans-serif;
+      --bs-link-color: var(--gw-blue);
+      --bs-link-hover-color: var(--gw-blue-hover);
     }
 
-    .actbutton,
-    .actbutton-half {
-      padding: 5px 10px;
-      padding-left: 5px;
-      width: 200px;
-      text-align: right;
-      vertical-align: top;
-    }
+    *, *::before, *::after { box-sizing: border-box; }
 
-    .actbutton-half {
-      width: 167.5px;
-
-    }
-
-    .actbutton img,
-    .actbutton-half img {
-      float: left;
+    body {
+      font-family: var(--gw-font);
+      background: var(--gw-bg);
+      color: var(--gw-text-primary);
       margin: 0;
-      height: 55px;
-      width: 55px;
-      margin-right: 10px;
     }
 
-    td,
-    th {
-      padding: 0.3em 0.6em;
-      border-left: 1px solid #ccc;
-      border-right: 1px solid #ccc;
+    /* ─── Print ───────────────────────────────────────────────────────── */
+    @media print { .no-print { display: none; } }
+
+    /* ─── Form helpers ────────────────────────────────────────────────── */
+    input[readonly], textarea[readonly], .select select[readonly] {
+      background-color: #f1f3f4;
     }
-
-    th {
-      text-align: center;
-    } */
-
-    @media print {
-      .no-print {
-        display: none;
-      }
-    }
-
-    input[readonly],
-    textarea[readonly],
-    .select select[readonly] {
-      background-color: lightgray;
-    }
-
-    fieldset input,
-    fieldset textarea,
-    fieldset .select select {
-      width: calc(100% - 1s5px);
+    fieldset input, fieldset textarea, fieldset .select select {
+      width: 100%;
       box-sizing: border-box;
     }
-
     input.nonumscroll::-webkit-outer-spin-button,
-    input.nonumscroll::-webkit-inner-spin-button {
-      -webkit-appearance: none;
-      margin: 0;
-    }
+    input.nonumscroll::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
+    input.nonumscroll[type=number] { appearance: textfield; -moz-appearance: textfield; }
 
-    input.nonumscroll[type=number] {
-      appearance: textfield;
-      -moz-appearance: textfield;
-    }
-
-    /* 
-    h1,
-    h2,
-    h3,
-    h4,
-    h5,
-    h6 {
-      margin: 0;
-      padding: 0;
-    }
-
-
-    a.grid-item {
-      margin-bottom: 10px !important;
-      padding: 15px;
-      width: 250px;
-      text-align: center;
-    }
-
-    a.grid-item img {
-      margin: 0 auto;
-    } */
-    .card.pad {
-      padding: 10px;
-      margin-bottom: 10px;
-    }
-
-    details summary {
-      cursor: pointer;
-      display: list-item;
-    }
-
-    .text-black {
-      color: black !important;
-    }
-
-    .btn {
-      margin-bottom: 5px;
-    }
-
-    .navbar-nav>a.btn {
-      margin-right: 10px;
-    }
-
-    .bg-custom {
-      background-color: #9013FE;
-    }
+    /* ─── Utility ─────────────────────────────────────────────────────── */
+    .card.pad { padding: 12px; margin-bottom: 12px; border: 1px solid var(--gw-border); border-radius: 8px; box-shadow: none; }
+    details summary { cursor: pointer; display: list-item; }
+    .text-black { color: black !important; }
+    .bg-custom { background-color: var(--gw-brand); }
+    .btn { margin-bottom: 4px; border-radius: 4px; font-family: var(--gw-font); font-weight: 500; letter-spacing: 0.01em; }
+    .btn-primary { background-color: var(--gw-blue); border-color: var(--gw-blue); }
+    .btn-primary:hover { background-color: var(--gw-blue-hover); border-color: var(--gw-blue-hover); }
+    .navbar-nav > a.btn { margin-right: 10px; }
 
+    /* ─── App shell ───────────────────────────────────────────────────── */
     .app-shell {
       display: flex;
-      min-height: 100vh;
-      background: #f5f5f5;
+      min-height: calc(100vh - var(--gw-header-h));
+      background: var(--gw-bg);
     }
 
-    .sidebar-toggle-input {
-      position: absolute;
-      opacity: 0;
-      pointer-events: none;
-    }
+    /* ─── Sidebar toggle (hidden checkbox) ───────────────────────────── */
+    .sidebar-toggle-input { position: absolute; opacity: 0; pointer-events: none; }
 
+    /* ─── Sidebar ─────────────────────────────────────────────────────── */
     .sidebar {
-      width: 260px;
-      background: #ffffff;
-      border-right: 1px solid #e5e7eb;
-      padding: 20px 16px;
+      width: var(--gw-sidebar-w);
+      background: var(--gw-surface);
+      padding: 8px 0;
       position: sticky;
-      top: 0;
-      height: 100vh;
+      top: var(--gw-header-h);
+      height: calc(100vh - var(--gw-header-h));
+      overflow-y: auto;
       display: flex;
       flex-direction: column;
-      gap: 16px;
-      transition: width 0.25s ease, transform 0.25s ease, padding 0.25s ease, opacity 0.2s ease;
+      gap: 0;
+      transition: width 0.3s cubic-bezier(0.4,0,0.2,1),
+                  padding 0.3s cubic-bezier(0.4,0,0.2,1),
+                  opacity 0.2s ease;
+      flex-shrink: 0;
     }
 
-    .sidebar-toggle-input:not(:checked)~.app-shell .sidebar {
+    .sidebar-toggle-input:not(:checked) ~ .app-shell .sidebar {
       width: 0;
-      padding-left: 0;
-      padding-right: 0;
-      border-right: none;
       overflow: hidden;
       opacity: 0;
       pointer-events: none;
     }
 
-    .sidebar-brand {
-      display: flex;
-      align-items: center;
-      gap: 10px;
-      font-weight: 600;
-      color: #202124;
-      text-decoration: none;
-    }
-
-    .sidebar-brand img {
-      height: 34px;
+    .sidebar-section-label {
+      font-size: 11px;
+      font-weight: 500;
+      letter-spacing: 0.08em;
+      text-transform: uppercase;
+      color: var(--gw-text-secondary);
+      padding: 16px 16px 4px;
+      white-space: nowrap;
     }
 
     .sidebar-nav {
       display: flex;
       flex-direction: column;
-      gap: 8px;
+      gap: 2px;
+      padding: 0 8px;
     }
 
     .sidebar-link {
       display: flex;
       align-items: center;
-      gap: 10px;
-      padding: 8px 10px;
-      border-radius: 12px;
+      gap: 16px;
+      padding: 0 16px;
+      height: 48px;
+      border-radius: 24px;
       text-decoration: none;
-      color: #202124;
-      background: #f8f9fa;
-      outline: 1px solid grey;
+      color: var(--gw-text-primary);
+      font-size: 14px;
+      font-weight: 400;
+      white-space: nowrap;
+      transition: background 0.15s ease;
     }
+    .sidebar-link:hover { background: var(--gw-hover); color: var(--gw-text-primary); text-decoration: none; }
+    .sidebar-link.active, .sidebar-link:focus-visible { background: var(--gw-blue-light); color: var(--gw-blue); font-weight: 500; }
 
-    .sidebar-link img {
-      height: 26px;
-    }
+    .sidebar-link img { height: 20px; width: 20px; object-fit: contain; flex-shrink: 0; }
 
-    .sidebar-note {
-      font-size: 12px;
-      color: #5f6368;
-    }
+    .sidebar-divider { height: 1px; background: var(--gw-border); margin: 8px 16px; }
 
-    .sidebar-backdrop {
-      display: none;
-    }
+    .sidebar-backdrop { display: none; }
 
-    .app-content {
-      flex: 1;
-      min-width: 0;
-    }
-
-    .axia-home {
-      max-width: 1200px;
-      margin: 0 auto;
-      padding: 10px 16px 40px;
-    }
+    /* ─── App content ─────────────────────────────────────────────────── */
+    .app-content { flex: 1; min-width: 0; }
 
+    /* ─── Top header ──────────────────────────────────────────────────── */
     .axia-header {
       display: flex;
       align-items: center;
-      gap: 18px;
-      background: #ffffff;
-      border-radius: 999px;
-      padding: 10px 16px;
-      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
+      gap: 4px;
+      background: var(--gw-surface);
+      border-bottom: 1px solid var(--gw-border);
+      padding: 0 8px;
+      height: var(--gw-header-h);
       position: sticky;
-      top: 10px;
-      z-index: 5;
+      top: 0;
+      z-index: 100;
+      box-shadow: 0 1px 2px 0 rgba(60,64,67,0.1);
     }
 
     .logo-area {
       display: flex;
       align-items: center;
-      gap: 10px;
-      font-weight: 600;
-      color: #202124;
-      text-decoration: none;
-    }
-
-    .brand-logo {
-      height: 32px;
-    }
-
-    .brand-text {
+      gap: 6px;
       font-size: 18px;
+      font-weight: 400;
+      color: var(--gw-text-secondary);
+      text-decoration: none;
+      padding: 0 8px;
+      white-space: nowrap;
     }
+    .logo-area:hover { color: var(--gw-text-primary); text-decoration: none; }
 
+    .brand-logo { height: 30px; }
+
+    .brand-text { font-size: 18px; font-weight: 400; letter-spacing: -0.01em; }
+
+    /* Sidebar toggle button */
     .sidebar-toggle {
-      width: 36px;
-      height: 36px;
+      width: 40px;
+      height: 40px;
       border-radius: 50%;
       display: inline-flex;
       align-items: center;
       justify-content: center;
       cursor: pointer;
-      background: #f1f3f4;
-      color: #5f6368;
+      background: transparent;
+      color: var(--gw-text-secondary);
       border: none;
+      transition: background 0.15s ease;
+      flex-shrink: 0;
     }
+    .sidebar-toggle:hover { background: var(--gw-hover); }
 
-    .search-bar {
-      flex: 1;
-    }
+    /* Search bar */
+    .search-bar { flex: 1; max-width: 720px; margin: 0 auto; }
+
+    .search-bar form,
+    .search-bar > form { display: flex; }
 
     .search-bar input {
       width: 100%;
-      border: none;
-      background: #f1f3f4;
-      padding: 10px 16px;
-      border-radius: 999px;
+      border: 1px solid var(--gw-border);
+      background: var(--gw-hover);
+      padding: 8px 20px;
+      border-radius: 24px;
       outline: none;
-      font-size: 15px;
+      font-size: 16px;
+      font-family: var(--gw-font);
+      color: var(--gw-text-primary);
+      transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
     }
-
-    .header-actions {
-      display: flex;
-      align-items: center;
-      gap: 10px;
+    .search-bar input:focus {
+      background: var(--gw-surface);
+      border-color: var(--gw-blue);
+      box-shadow: 0 1px 6px rgba(32,33,36,0.28);
     }
+    .search-bar input::placeholder { color: var(--gw-text-secondary); }
 
-    .axia-header summary {
-      list-style: none;
-    }
+    /* Header action area */
+    .header-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; }
 
-    .axia-header summary::-webkit-details-marker {
-      display: none;
-    }
+    .axia-header summary { list-style: none; }
+    .axia-header summary::-webkit-details-marker { display: none; }
 
+    /* Icon button (for waffle, etc.) */
     .icon-button {
       list-style: none;
       background: transparent;
       border: none;
-      padding: 8px;
+      width: 40px;
+      height: 40px;
       border-radius: 50%;
+      display: flex;
+      align-items: center;
+      justify-content: center;
       cursor: pointer;
+      color: var(--gw-text-secondary);
+      transition: background 0.15s ease;
     }
+    .icon-button:hover { background: var(--gw-hover); }
 
+    /* Waffle 3×3 dot grid */
     .dot-grid {
       display: grid;
-      grid-template-columns: repeat(3, 4px);
-      gap: 4px;
-      padding: 2px;
+      grid-template-columns: repeat(3, 5px);
+      gap: 3px;
     }
-
     .dot-grid span {
-      width: 4px;
-      height: 4px;
-      background: #5f6368;
+      width: 5px;
+      height: 5px;
+      background: var(--gw-text-secondary);
       border-radius: 50%;
     }
 
-    details {
-      position: relative;
-    }
+    /* ─── Dropdown cards ──────────────────────────────────────────────── */
+    details { position: relative; }
 
     header .menu-card {
       position: absolute;
       right: 0;
-      margin-top: 10px;
-      background: #fff;
-      border-radius: 16px;
-      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
-      padding: 16px;
-      min-width: 240px;
-      z-index: 10;
+      top: calc(100% + 4px);
+      background: var(--gw-surface);
+      border-radius: 8px;
+      box-shadow: 0 2px 10px rgba(0,0,0,0.2), 0 0 0 1px rgba(0,0,0,0.06);
+      padding: 12px 4px;
+      min-width: 280px;
+      z-index: 200;
+    }
+
+    header .menu-card-title {
+      font-size: 13px;
+      font-weight: 500;
+      color: var(--gw-text-secondary);
+      padding: 4px 16px 12px;
+      letter-spacing: 0.01em;
     }
 
     header .menu-grid {
       display: grid;
-      grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
-      gap: 12px;
+      grid-template-columns: repeat(3, 1fr);
+      gap: 0;
     }
 
     header .menu-item {
       display: flex;
+      flex-direction: column;
       align-items: center;
-      gap: 10px;
-      padding: 8px 10px;
-      border-radius: 12px;
+      gap: 6px;
+      padding: 12px 8px;
+      border-radius: 8px;
       text-decoration: none;
-      color: #202124;
-      background: #f8f9fa;
-      outline: 1px solid grey;
+      color: var(--gw-text-primary);
+      font-size: 12px;
+      text-align: center;
+      margin: 2px;
+      transition: background 0.15s ease;
     }
+    header .menu-item:hover { background: var(--gw-hover); text-decoration: none; color: var(--gw-text-primary); }
 
     header .menu-item img {
-      height: 28px;
+      height: 40px;
+      width: 40px;
+      border-radius: 8px;
+      object-fit: contain;
     }
 
+    header .menu-item span { line-height: 1.3; }
+
+    /* ─── Avatar ──────────────────────────────────────────────────────── */
     .avatar {
-      width: 36px;
-      height: 36px;
+      width: 32px;
+      height: 32px;
       border-radius: 50%;
-      background: #1a73e8;
+      background: var(--gw-blue);
       color: #fff;
       display: flex;
       align-items: center;
       justify-content: center;
-      font-weight: 600;
+      font-weight: 500;
+      font-size: 13px;
       cursor: pointer;
+      letter-spacing: 0.03em;
+      flex-shrink: 0;
     }
+    .avatar.big { width: 56px; height: 56px; font-size: 22px; }
 
-    .avatar.big {
-      width: 48px;
-      height: 48px;
-      font-size: 24px;
-    }
-
-    .account-card {
-      min-width: 280px;
-    }
+    /* ─── Account card ────────────────────────────────────────────────── */
+    .account-card { min-width: 300px; }
 
     .account-head {
       display: flex;
-      gap: 12px;
+      flex-direction: column;
       align-items: center;
-      margin-bottom: 12px;
-    }
-
-    .account-name {
-      font-weight: 600;
-    }
-
-    .account-email {
-      font-size: 13px;
-      color: #5f6368;
-    }
-
-    .account-actions .btn {
+      gap: 8px;
+      padding: 16px 16px 12px;
+      border-bottom: 1px solid var(--gw-border);
       margin-bottom: 8px;
+      text-align: center;
     }
 
+    .account-name { font-weight: 500; font-size: 16px; }
+    .account-email { font-size: 13px; color: var(--gw-text-secondary); }
+
+    .account-actions { padding: 0 12px 8px; }
+    .account-actions .btn { margin-bottom: 6px; border-radius: 20px; font-size: 14px; }
+
+    /* ─── Main content ────────────────────────────────────────────────── */
+    .axia-home {
+      max-width: 1200px;
+      margin: 0 auto;
+      padding: 24px 24px 48px;
+    }
+
+    /* ─── Mobile ──────────────────────────────────────────────────────── */
     @media (max-width: 768px) {
-      .sidebar-toggle {
-        display: inline-flex;
-        /* make it more to the left */
-        margin-left: -8px;
-      }
+      .axia-home { padding: 16px 12px 48px; }
 
-      .logo-area {
-        gap: 6px;
-        margin-left: -8px;
-        margin-right: -8px;
-      }
-
-      .axia-home {
-        padding: 10px 8px 40px;
-      }
-
-      .app-shell {
-        display: block;
-      }
+      .app-shell { display: block; }
 
       .sidebar {
         position: fixed;
@@ -451,19 +400,16 @@ if (!empty($displayName)) {
         top: 0;
         height: 100vh;
         transform: translateX(-100%);
-        transition: transform 0.25s ease;
-        z-index: 20;
-        width: 260px;
-        padding: 20px 16px;
-        border-right: 1px solid #e5e7eb;
+        transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
+        z-index: 200;
+        width: var(--gw-sidebar-w);
+        padding: 8px 0;
         opacity: 1;
         pointer-events: auto;
       }
 
-      .sidebar-toggle-input:not(:checked)~.app-shell .sidebar {
-        width: 260px;
-        padding: 20px 16px;
-        border-right: 1px solid #e5e7eb;
+      .sidebar-toggle-input:not(:checked) ~ .app-shell .sidebar {
+        width: var(--gw-sidebar-w);
         opacity: 1;
         pointer-events: auto;
       }
@@ -471,52 +417,22 @@ if (!empty($displayName)) {
       .sidebar-backdrop {
         position: fixed;
         inset: 0;
-        background: rgba(0, 0, 0, 0.35);
+        background: rgba(0,0,0,0.32);
         opacity: 0;
         pointer-events: none;
         transition: opacity 0.25s ease;
-        z-index: 15;
+        z-index: 150;
         display: block;
       }
 
-      .sidebar-toggle-input:checked~.app-shell .sidebar {
-        transform: translateX(0);
-      }
+      .sidebar-toggle-input:checked ~ .app-shell .sidebar { transform: translateX(0); }
+      .sidebar-toggle-input:checked ~ .app-shell .sidebar-backdrop { opacity: 1; pointer-events: auto; }
 
-      .sidebar-toggle-input:checked~.app-shell .sidebar-backdrop {
-        opacity: 1;
-        pointer-events: auto;
-      }
+      .search-bar { display: none; }
+      .header-actions { gap: 2px; }
+      .hide-small { display: none; }
 
-      .axia-header {
-        flex-wrap: wrap;
-        border-radius: 20px;
-      }
-
-      .search-bar {
-        width: 100%;
-        order: 3;
-        display: none;
-      }
-
-      /* make other buttons alinged to the right */
-      .header-actions {
-        margin-left: auto;
-        margin-right: -8px;
-        gap: 6px;
-      }
-
-      .hide-small {
-        display: none;
-      }
-    }
-
-    :root {
-      --bs-btn-font-family: Arial, Helvetica, sans-serif;
-      --bs-body-font-family: Arial, Helvetica, sans-serif;
-      --bs-font-sans-serif: Arial, Helvetica, sans-serif;
-      --bs-font-family-base: Arial, Helvetica, sans-serif;
-      --bs-heading-font-family: Arial, Helvetica, sans-serif;
+      .logo-area { padding: 0 4px; }
     }
   </style>
 
@@ -548,17 +464,95 @@ if (!empty($displayName)) {
             });
           })();
         </script>
+
+        <!-- ── Google Workspace-style top header ──────────────────── -->
+        <header class="axia-header">
+          <label for="sidebarToggle" class="sidebar-toggle" aria-label="Abrir menú">
+            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="currentColor">
+              <path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/>
+            </svg>
+          </label>
+          <a class="logo-area" href="<?= $APP_ROOT ?>">
+            <img src="/static/<?= $APP_ICON ?>" alt="<?= htmlspecialchars($APP_NAME) ?>" class="brand-logo">
+            <span class="brand-text hide-small"><?= $APP_NAME ?></span>
+          </a>
+          <div class="search-bar">
+            <form action="https://search.tech.eus/s/" method="get">
+              <input type="text" name="q" placeholder="Búsqueda global" aria-label="Buscar">
+            </form>
+          </div>
+          <div class="header-actions">
+            <details class="app-menu">
+              <summary class="icon-button" aria-label="Menú de aplicaciones">
+                <span class="dot-grid" aria-hidden="true">
+                  <span></span><span></span><span></span>
+                  <span></span><span></span><span></span>
+                  <span></span><span></span><span></span>
+                </span>
+              </summary>
+              <div class="menu-card">
+                <div class="menu-card-title">Aplicaciones de Axia4</div>
+                <div class="menu-grid">
+                  <a class="menu-item" href="/">
+                    <img src="/static/logo.png" alt="">
+                    <span>Axia4</span>
+                  </a>
+                  <a class="menu-item" href="/club/">
+                    <img src="/static/logo-club.png" alt="">
+                    <span>Club</span>
+                  </a>
+                  <a class="menu-item" href="/entreaulas/">
+                    <img src="/static/logo-entreaulas.png" alt="">
+                    <span>EntreAulas</span>
+                  </a>
+                  <a class="menu-item" href="/account/">
+                    <img src="/static/logo-account.png" alt="">
+                    <span>Cuenta</span>
+                  </a>
+                  <a class="menu-item" href="/sysadmin/">
+                    <img src="/static/logo-sysadmin.png" alt="">
+                    <span>SysAdmin</span>
+                  </a>
+                </div>
+              </div>
+            </details>
+            <details class="account-menu">
+              <summary class="avatar" aria-label="Cuenta">
+                <?php echo htmlspecialchars($initials); ?>
+              </summary>
+              <div class="menu-card account-card">
+                <div class="account-head">
+                  <div class="avatar big"><?php echo htmlspecialchars($initials); ?></div>
+                  <div class="account-name"><?php echo htmlspecialchars($displayName); ?></div>
+                  <div class="account-email"><?php echo htmlspecialchars($email); ?></div>
+                </div>
+                <div class="account-actions">
+                  <?php if ($_SESSION["auth_ok"]) { ?>
+                    <a href="/account/" class="btn btn-outline-secondary w-100">Gestionar cuenta</a>
+                    <a href="/_login.php?logout=1&redir=/" class="btn btn-outline-secondary w-100">Cerrar sesión</a>
+                  <?php } else { ?>
+                    <a href="/_login.php?redir=/" class="btn btn-primary w-100">Iniciar sesión</a>
+                    <a href="/account/register.php" class="btn btn-outline-primary w-100">Crear cuenta</a>
+                  <?php } ?>
+                </div>
+              </div>
+            </details>
+          </div>
+        </header>
+
+        <!-- ── App shell (sidebar + content) ──────────────────────── -->
         <div class="app-shell">
           <aside class="sidebar">
-            <b>Esta app</b>
+            <div class="sidebar-section-label">Esta app</div>
             <nav class="sidebar-nav">
-              <?php 
+              <?php
               if (file_exists(__DIR__ . "/../$APP_CODE/__menu.php")) {
                 include __DIR__ . "/../$APP_CODE/__menu.php";
               }
               ?>
             </nav>
-            <b>Axia4</b>
+            <div class="sidebar-divider"></div>
+            <div class="sidebar-section-label">Axia4</div>
             <nav class="sidebar-nav">
               <a class="sidebar-link" href="/">
                 <img src="/static/logo.png" alt="">
@@ -569,75 +563,6 @@ if (!empty($displayName)) {
           <label for="sidebarToggle" class="sidebar-backdrop" aria-hidden="true"></label>
           <div class="app-content">
             <main class="axia-home">
-              <header class="axia-header">
-                <label for="sidebarToggle" class="sidebar-toggle" aria-label="Abrir menú">☰</label>
-                <a class="logo-area" href="<?= $APP_ROOT ?>">
-                  <img src="/static/<?= $APP_ICON ?>" alt="<?= htmlspecialchars($APP_NAME) ?>" class="brand-logo">
-                  <span class="brand-text"><?= $APP_NAME ?></span>
-                </a>
-                <form class="search-bar" action="https://search.tech.eus/s/" method="get">
-                  <input type="text" name="q" placeholder="Busqueda Global" aria-label="Buscar">
-                </form>
-                <div class="header-actions">
-                  <details class="app-menu">
-                    <summary class="icon-button" aria-label="Menú de aplicaciones">
-                      <span class="dot-grid" aria-hidden="true">
-                        <span></span><span></span><span></span>
-                        <span></span><span></span><span></span>
-                        <span></span><span></span><span></span>
-                      </span>
-                    </summary>
-                    <div class="menu-card">
-                      <div class="menu-grid">
-                        <a class="menu-item" href="/">
-                          <img src="/static/logo.png" alt="">
-                          <span>Axia4</span>
-                        </a>
-                        <a class="menu-item" href="/club/">
-                          <img src="/static/logo-club.png" alt="">
-                          <span>Club</span>
-                        </a>
-                        <a class="menu-item" href="/entreaulas/">
-                          <img src="/static/logo-entreaulas.png" alt="">
-                          <span>EntreAulas</span>
-                        </a>
-                        <a class="menu-item" href="/account/">
-                          <img src="/static/logo-account.png" alt="">
-                          <span>Cuenta</span>
-                        </a>
-                        <a class="menu-item" href="/sysadmin/">
-                          <img src="/static/logo-sysadmin.png" alt="">
-                          <span>SysAdmin</span>
-                        </a>
-                      </div>
-                    </div>
-                  </details>
-                  <details class="account-menu">
-                    <summary class="avatar" aria-label="Cuenta">
-                      <?php echo htmlspecialchars($initials); ?>
-                    </summary>
-                    <div class="menu-card account-card">
-                      <div class="account-head">
-                        <div class="avatar big"><?php echo htmlspecialchars($initials); ?></div>
-                        <div>
-                          <div class="account-name"><?php echo htmlspecialchars($displayName); ?></div>
-                          <div class="account-email"><?php echo htmlspecialchars($email); ?></div>
-                        </div>
-                      </div>
-                      <div class="account-actions">
-                        <?php if ($_SESSION["auth_ok"]) { ?>
-                          <a href="/account/" class="btn btn-primary w-100">Gestionar cuenta</a>
-                          <a href="/_login.php?logout=1&redir=/" class="btn btn-outline-secondary w-100">Cerrar sesión</a>
-                        <?php } else { ?>
-                          <a href="/_login.php?redir=/" class="btn btn-primary w-100">Iniciar sesión</a>
-                          <a href="/account/register.php" class="btn btn-outline-primary w-100">Crear cuenta</a>
-                        <?php } ?>
-                      </div>
-                    </div>
-                  </details>
-                </div>
-              </header>
-              <div style="margin-top: 20px;">
               <?php } ?>
               <?php if (isset($_GET["_result"])) { ?>
                 <div class="card pad"
diff --git a/public_html/index.php b/public_html/index.php
index 489ea00..3d96411 100755
--- a/public_html/index.php
+++ b/public_html/index.php
@@ -1,15 +1,133 @@
 <?php require_once "_incl/pre-body.php"; ?>
 
+<style>
+    .hero {
+        text-align: center;
+        margin: 0 0 28px;
+        background: linear-gradient(135deg, #e8f0fe 0%, #fce8ff 100%);
+        padding: 48px 24px;
+        border-radius: 12px;
+        color: var(--gw-text-primary, #202124);
+        border: 1px solid #dadce0;
+    }
+
+    .hero h1 {
+        font-size: 36px;
+        font-weight: 400;
+        margin-bottom: 8px;
+        color: #202124;
+        letter-spacing: -0.01em;
+    }
+
+    .hero p {
+        color: #5f6368;
+        font-size: 16px;
+        margin-bottom: 0;
+    }
+
+    .hero hr {
+        border-color: #dadce0;
+        margin: 20px auto;
+        max-width: 200px;
+    }
+
+    .hero h3 {
+        font-size: 14px;
+        font-weight: 500;
+        color: #1a73e8;
+        letter-spacing: 0.02em;
+        margin-bottom: 4px;
+    }
+
+    .hero .btn {
+        border-radius: 20px;
+        padding: 8px 24px;
+    }
+
+    .section-title {
+        font-size: 14px;
+        font-weight: 500;
+        color: #5f6368;
+        text-transform: uppercase;
+        letter-spacing: 0.08em;
+        margin: 0 0 16px;
+    }
+
+    .app-grid {
+        display: grid;
+        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+        gap: 16px;
+        margin-bottom: 32px;
+    }
+
+    .app-card {
+        background: #ffffff;
+        border-radius: 8px;
+        padding: 20px 16px 16px;
+        display: flex;
+        flex-direction: column;
+        gap: 8px;
+        border: 1px solid #dadce0;
+        transition: box-shadow 0.2s ease, border-color 0.2s ease;
+    }
+
+    .app-card:hover {
+        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+        border-color: #bdc1c6;
+    }
+
+    .app-card img {
+        height: 48px;
+        width: 48px;
+        object-fit: contain;
+    }
+
+    .app-title {
+        font-weight: 500;
+        font-size: 15px;
+        color: #202124;
+        margin-top: 4px;
+    }
+
+    .app-desc,
+    .app-note {
+        color: #5f6368;
+        font-size: 13px;
+    }
+
+    .app-actions {
+        margin-top: auto;
+        display: flex;
+        flex-direction: column;
+        gap: 6px;
+        padding-top: 8px;
+    }
+
+    .app-actions .btn {
+        border-radius: 4px;
+        font-size: 13px;
+    }
+
+    .is-disabled {
+        opacity: 0.55;
+    }
+
+    .app-card .btn.btn-outline-secondary.disabled {
+        color: #5f6368;
+    }
+</style>
+
 <section class="hero">
     <h1>Bienvenidx a Axia4</h1>
     <p>La plataforma unificada de EuskadiTech y Sketaria.</p>
     <hr>
     <h3>Versión 2.0.0</h3>
-    <p>Con esta versión, cambiamos la interfaz a una mas sencilla.</p>
+    <p>Con esta versión, cambiamos la interfaz a una más sencilla.</p>
+    <br>
     <a class="btn btn-primary" href="/account/">Accede a tu cuenta</a>
 </section>
 
-
+<p class="section-title">Aplicaciones</p>
 
 <div id="grid" class="app-grid">
     <div class="app-card">
@@ -46,10 +164,9 @@
         <div class="app-title">EntreAulas</div>
         <div class="app-desc">Recursos educativos digitales.</div>
         <div class="app-actions">
-            <a href="/entreaulas/" target="_blank" class="btn btn-primary">Acceso publico</a>
+            <a href="/entreaulas/" target="_blank" class="btn btn-primary">Acceso público</a>
         </div>
     </div>
-    <!-- Arroz con leche: Wiki publica -->
     <div class="app-card">
         <img src="/static/logo-arroz.png" alt="Logo Arroz con leche">
         <div class="app-title">Arroz con leche</div>
@@ -58,56 +175,6 @@
             <a href="https://arroz.tech.eus/" target="_blank" class="btn btn-primary">Acceso público</a>
         </div>
     </div>
-</div>
-<div class="app-grid" style="display: none;">
-    <div class="app-card is-disabled">
-        <img src="/static/logo-oscar.png" alt="Logo OSCAR">
-        <div class="app-title">OSCAR</div>
-        <div class="app-desc">Red de IA Absoluta.</div>
-        <div class="app-note">Próximamente</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-media.png" alt="Logo ET Media">
-        <div class="app-title">ET Media</div>
-        <div class="app-desc">Streaming de pelis y series.</div>
-        <div class="app-note">Próximamente</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-hyper.png" alt="Logo Hyper">
-        <div class="app-title">Hyper</div>
-        <div class="app-desc">Plataforma de gestión empresarial.</div>
-        <div class="app-note">Próximamente</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-mail.png" alt="Logo Comunicaciones">
-        <div class="app-title">Comunicaciones</div>
-        <div class="app-desc">Correos electrónicos y mensajería.</div>
-        <div class="app-note">Próximamente</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-malla.png" alt="Logo Malla">
-        <div class="app-title">Malla Meshtastic</div>
-        <div class="app-desc">Red de comunicación por radio.</div>
-        <div class="app-note">Próximamente</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-aularios.png" alt="Logo Aularios">
-        <div class="app-title">Aularios<sup>2</sup></div>
-        <div class="app-desc">Visita virtual a los aularios.</div>
-        <div class="app-note">Solo lectura · Migrando a Axia4</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-nube.png" alt="Logo Axia4 Cloud">
-        <div class="app-title">Nube Axia4.NET</div>
-        <div class="app-desc">Almacenamiento central de datos.</div>
-        <div class="app-note">Cerrado por migración</div>
-    </div>
-    <div class="app-card is-disabled">
-        <img src="/static/logo-nk4.png" alt="Logo Nube Kasa">
-        <div class="app-title">Nube Kasa</div>
-        <div class="app-desc">Nube personal con domótica.</div>
-        <div class="app-note">Cerrado por mantenimiento</div>
-    </div>
     <div class="app-card">
         <img src="/static/logo-sysadmin.png" alt="Logo SysAdmin">
         <div class="app-title">SysAdmin</div>
@@ -121,95 +188,5 @@
         </div>
     </div>
 </div>
-</div>
-
-<style>
-    body {
-        background: #f5f5f5;
-    }
-
-    .hero {
-        text-align: center;
-        margin: 32px 0 16px;
-        background: url(/static/portugalete.jpg) #ffffffc2;
-        padding: 25px 7px;
-        padding-top: 50px;
-        min-height: 350px;
-        border-radius: 50px;
-        background-size: cover;
-        background-position: center;
-        background-blend-mode: lighten;
-        color: black;
-        /* -webkit-text-stroke: 0.5px #acacac; */
-    }
-
-    .hero h1 {
-        font-size: 42px;
-        margin-bottom: 8px;
-        color: #000;
-    }
-
-    .hero p {
-        color: #000;
-    }
-
-    .notice-card {
-        background: #e8f0fe;
-        padding: 12px 16px;
-        border-radius: 12px;
-        display: flex;
-        flex-direction: column;
-        gap: 4px;
-        color: #1a3c78;
-        margin-bottom: 20px;
-        outline: 1px solid #c2d1f0;
-    }
-
-    .app-grid {
-        display: grid;
-        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
-        gap: 16px;
-    }
-
-    .app-card {
-        background: #fff;
-        border-radius: 16px;
-        padding: 16px;
-        display: flex;
-        flex-direction: column;
-        gap: 8px;
-        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
-    }
-
-    .app-card img {
-        height: 64px;
-        width: 64px;
-    }
-
-    .app-title {
-        font-weight: 600;
-        color: #202124;
-    }
-
-    .app-desc,
-    .app-note {
-        color: #5f6368;
-        font-size: 13px;
-    }
-
-    .app-actions {
-        margin-top: auto;
-        display: flex;
-        flex-direction: column;
-        gap: 6px;
-    }
-
-    .is-disabled {
-        opacity: 0.6;
-    }
-    .app-card .btn.btn-outline-secondary.disabled {
-        color: black;
-    }
-</style>
 
 <?php require_once "_incl/post-body.php"; ?>
\ No newline at end of file
