Fixing mobile view and improving some menus.

htdocs/admin/subjects.php

@@ -47,7 +47,44 @@ if (isset($_GET['delete'])) {
     <input type="text" name="room" placeholder="Laboratorio (opzionale)">
     <button type="submit">Aggiungi</button>
   </form>
+  <?php
+// 1. Aggiornamento dati
+if(isset($_POST['update'])){
+    $id = intval($_POST['id']);
+    $name = $conn->real_escape_string($_POST['name']);
+    $teacher = $conn->real_escape_string($_POST['teacher']);
+    $room = $conn->real_escape_string($_POST['room']);
 
+    $conn->query("UPDATE subjects 
+                  SET name='$name', teacher='$teacher', room='$room' 
+                  WHERE id=$id");
+}
+// 2. Mostrare il form se edit richiesto
+if(isset($_GET['edit'])){
+    $id = intval($_GET['edit']);
+    $res = $conn->query("SELECT * FROM subjects WHERE id=$id");
+    if($res->num_rows > 0){
+        $subject = $res->fetch_assoc();
+        ?>
+        <h3>Modifica materia</h3>
+        <form method="post" action="subjects.php">
+            <input type="hidden" name="id" value="<?php echo $subject['id']; ?>">
+            
+            <label>Materia:</label>
+            <input type="text" name="name" value="<?php echo htmlspecialchars($subject['name']); ?>"><br>
+            
+            <label>Docente:</label>
+            <input type="text" name="teacher" value="<?php echo htmlspecialchars($subject['teacher']); ?>"><br>
+            
+            <label>Aula:</label>
+            <input type="text" name="room" value="<?php echo htmlspecialchars($subject['room']); ?>"><br>
+            
+            <button type="submit" name="update">Salva modifiche</button>
+        </form>
+        <?php
+    }
+}
+?>
   <table>
     <tr>
       <th>ID</th>
@@ -64,7 +101,10 @@ if (isset($_GET['delete'])) {
               <td>{$row['name']}</td>
               <td>{$row['teacher']}</td>
               <td>{$row['room']}</td>
-              <td><a href='subjects.php?delete={$row['id']}' class='delete-link'>Elimina</a></td>
+              <td>
+                <a href='subjects.php?edit={$row['id']}' class='edit-link'>Modifica</a> | 
+                <a href='subjects.php?delete={$row['id']}' class='delete-link'>Elimina</a>
+              </td>
             </tr>";
     }
     ?>

htdocs/css/timetable.css

@@ -106,62 +106,115 @@ td:hover {
   td { padding-left: 50%; }
 }
 */
+
+/* --- tuoi stili desktop (questi restano uguali) --- */
+table {
+  border-collapse: collapse;
+  width: 100%;
+  max-width: 1000px;
+  margin: 0 auto;
+  background: #fff;
+  border-radius: 10px;
+  overflow: hidden;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+}
+
+th, td {
+  border: 1px solid #ccc;
+  text-align: center;
+  padding: 10px;
+  vertical-align: top;
+}
+
+th {
+  background-color: #e0e0e0;
+  font-weight: bold;
+}
+
+td {
+  transition: background-color 0.2s;
+}
+
+td:hover {
+  background-color: #f7f7f7;
+}
+
+.subject {
+  font-weight: bold;
+  color: #1f618d;
+}
+
+.teacher {
+  font-size: 0.9em;
+  color: #2c3e50;
+}
+
+.room {
+  font-size: 0.8em;
+  color: #666;
+}
+
+/* --- qui sostituisci con la versione migliorata --- */
 @media (max-width: 768px) {
-  table, thead, tbody, th, td, tr {
-    display: block;
-    width: 100%;
+  table {
+    box-shadow: none;
+    border-radius: 0;
   }
 
   tr {
-    margin-bottom: 15px;
-    padding: 0;
-    border-bottom: 2px solid #ddd;
-  }
-
-  th {
-    display: none;
+    margin-bottom: 20px;
+    background: #fff;
+    border-radius: 8px;
+    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
+    overflow: hidden;
+    padding: 10px;
   }
 
   td {
-    position: relative;
-    padding-left: 50%;
-    text-align: left;
+    padding: 8px 8px 8px 50%;
     border: none;
     border-bottom: 1px solid #eee;
-    min-height: 50px; /* ensures consistent vertical spacing */
-    box-sizing: border-box;
+    font-size: 0.9em;
   }
 
   td::before {
     position: absolute;
     top: 10px;
     left: 10px;
-    width: 40%;
-    font-weight: bold;
-    white-space: nowrap;
+    color: #1f618d;
+    font-size: 0.85em;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
     content: attr(data-label);
   }
 
-  /* make content stack nicely */
-  td > .subject,
-  td > .teacher,
+  td > .subject {
+    font-weight: 600;
+    font-size: 1em;
+    margin-bottom: 2px;
+  }
+
+  td > .teacher {
+    font-size: 0.85em;
+    color: #555;
+  }
+
   td > .room {
-    display: block;
-    margin: 2px 0;
+    font-size: 0.75em;
+    color: #888;
   }
 
   td:last-child {
-    border-bottom: 0;
+    border-bottom: none;
   }
 }
 
-/* Extra small screens */
 @media (max-width: 480px) {
   td {
-    padding-left: 55%;
+    padding-left: 45%;
   }
   td::before {
-    width: 45%;
+    width: 40%;
+    font-size: 0.8em;
   }
 }
-

htdocs/laboratori.php

@@ -60,11 +60,31 @@ if ($res->num_rows === 0) {
           WHERE subjects.room='". $conn->real_escape_string($room) ."' 
             AND timetable.day='$d' AND timetable.hour=$hnum
         ");
-        if($row = $q->fetch_assoc()){
+
+        if($q->num_rows > 0){
+          $subject = null;
+          $entries = [];
+
+          while($row = $q->fetch_assoc()){
+            // salvo materia (prendo la prima, di solito è la stessa per tutti)
+            if($subject === null) {
+              $subject = $row['subject_name'];
+            }
+            // accumulo classi + docente
+            $entries[] = $row['class_name'] . " (" . $row['teacher'] . ")";
+          }
+
+          // unisci le classi con " e " se sono 2, altrimenti virgole + "e" finale
+          if(count($entries) > 1){
+            $last = array_pop($entries);
+            $entries_list = implode(", ", $entries) . " e " . $last;
+          } else {
+            $entries_list = $entries[0];
+          }
+
           echo "<td data-label='$d'>
-                  <div class='subject'>{$row['subject_name']}</div>
-                  <div class='teacher'>{$row['teacher']}</div>
-                  <div class='room'>{$row['class_name']}</div>
+                  <div class='subject'>$subject</div>
+                  <div class='room'>$entries_list</div>
                 </td>";
         } else {
           echo "<td data-label='$d'></td>";

htdocs/studenti.php

@@ -54,10 +54,33 @@ if ($res->num_rows === 0) {
                            FROM timetable 
                            LEFT JOIN subjects ON timetable.subject_id = subjects.id 
                            WHERE class_id=$class_id AND day='$d' AND hour=$hnum");
-        if($row = $q->fetch_assoc()){
-          echo "<td data-label='$d'><div class='subject'>{$row['name']}</div>
-                     <div class='teacher'>{$row['teacher']}</div>
-                     <div class='room'>{$row['room']}</div></td>";
+
+        if($q->num_rows > 0){
+          $row = $q->fetch_assoc();
+          $subject = $row['name'];
+          $room = $row['room'];
+          
+          // metto il primo docente
+          $teachers = [$row['teacher']];
+          
+          // aggiungo eventuali altri docenti
+          while($row = $q->fetch_assoc()){
+            $teachers[] = $row['teacher'];
+          }
+
+          // se più docenti -> unisci con virgola e "e" finale
+          if(count($teachers) > 1){
+            $last = array_pop($teachers);
+            $teachers_list = implode(", ", $teachers) . " e " . $last;
+          } else {
+            $teachers_list = $teachers[0];
+          }
+
+          echo "<td data-label='$d'>
+                  <div class='subject'>$subject</div>
+                  <div class='teacher'>$teachers_list</div>
+                  <div class='room'>$room</div>
+                </td>";
         } else {
           echo "<td data-label='$d'></td>";
         }