diff --git a/cron/class_report.php b/cron/class_report.php
index 92d4cce..00f7384 100644
--- a/cron/class_report.php
+++ b/cron/class_report.php
@@ -1,13 +1,19 @@
 <?php
 
 /**
- * YogiBook - Riepilogo classi giornaliero per l'insegnante.
- * Invia UNA mail per ogni classe del giorno.
+ * YogiBook - Riepilogo classi giornaliero.
+ * Invia UNA mail per ogni classe del giorno:
+ *  - all'insegnante della classe (se notifiche attive, attivo e con email)
+ *    -> versione riservata: nomi "Mario R.", senza email dei partecipanti
+ *  - al titolare, se diverso dall'insegnante (se notifiche attive e con email)
+ *    -> copia separata con i dati completi
+ *  - se l'insegnante È il titolare: una sola mail completa
  *
  * Uso:
  *   php cron/class_report.php                  -> classi di oggi
  *   php cron/class_report.php 2026-09-25       -> classi di una data specifica
  *   php cron/class_report.php --dry-run        -> NON invia, salva le anteprime HTML in cron/preview/
+ *   php cron/class_report.php --only-at=17     -> esce senza fare nulla se in Italia non sono le 17
  */
 
 use PHPMailer\PHPMailer\PHPMailer;
@@ -56,12 +62,35 @@ function chip(string $label, string $bg, string $fg): string
     return '<span style="display:inline-block;background:' . $bg . ';color:' . $fg . ';font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap;">' . h($label) . '</span>';
 }
 
+/** Nome completo (versione titolare) */
 function fullName(array $p): string
 {
     $n = trim(($p['first_name'] ?? '') . ' ' . ($p['last_name'] ?? ''));
     return $n !== '' ? $n : 'Utente #' . (int) ($p['iduser'] ?? 0);
 }
 
+/** Nome + iniziale del cognome (versione insegnante): "Mario R." */
+function shortName(array $p): string
+{
+    $first = trim((string) ($p['first_name'] ?? ''));
+    $last  = trim((string) ($p['last_name'] ?? ''));
+    if ($first === '' && $last === '') {
+        return 'Utente #' . (int) ($p['iduser'] ?? 0);
+    }
+    $ini = $last !== '' ? ' ' . mb_strtoupper(mb_substr($last, 0, 1)) . '.' : '';
+    return ($first !== '' ? $first : '') . $ini;
+}
+
+function personName(array $p, bool $full): string
+{
+    return $full ? fullName($p) : shortName($p);
+}
+
+function teacherName(?array $t): string
+{
+    return $t ? trim($t['nameemployee'] . ' ' . $t['surnameemployee']) : '';
+}
+
 function italianDate(DateTime $d): string
 {
     $days = ['Domenica', 'Lunedì', 'Martedì', 'Mercoledì', 'Giovedì', 'Venerdì', 'Sabato'];
@@ -69,6 +98,27 @@ function italianDate(DateTime $d): string
     return $days[(int) $d->format('w')] . ' ' . (int) $d->format('j') . ' ' . $months[(int) $d->format('n')] . ' ' . $d->format('Y');
 }
 
+/** Motivo per cui non può ricevere ('' = può ricevere) */
+function whyNot(?array $t): string
+{
+    if (!$t) return 'nessun insegnante assegnato';
+    if (($t['active'] ?? 'N') !== 'Y') return 'insegnante non attivo';
+    if (($t['notifications'] ?? 'N') !== 'Y') return 'notifiche disattivate';
+    if (empty($t['email'])) return 'email mancante';
+    if (!filter_var($t['email'], FILTER_VALIDATE_EMAIL)) return 'email non valida';
+    return '';
+}
+
+/** Può ricevere mail? notifiche attive, attivo, email valida */
+function canReceive(?array $t): bool
+{
+    return $t
+        && ($t['notifications'] ?? 'N') === 'Y'
+        && ($t['active'] ?? 'N') === 'Y'
+        && !empty($t['email'])
+        && filter_var($t['email'], FILTER_VALIDATE_EMAIL);
+}
+
 /* ----------------------------------------------------------- argomenti */
 
 $dryRun = in_array('--dry-run', $argv, true);
@@ -79,18 +129,27 @@ foreach (array_slice($argv, 1) as $a) {
     }
 }
 
-$recipients = array_values(array_filter(array_map('trim', explode(',', (string) cfg('TEACHER_EMAIL', '')))));
-if (!$recipients && !$dryRun) {
-    logmsg('ERRORE: TEACHER_EMAIL non impostato nel .env');
-    exit(1);
-}
-
 $location = cfg('CLASS_LOCATION', 'via Valassina 62/B Seregno - Sala Contesto Yoga');
 
+// Le mail agli insegnanti (non titolari) partono solo se l'opzione "Mostra insegnante" è attiva
+$optRow = $pdo->query("SELECT show_teacher FROM `option` LIMIT 1")->fetch();
+$teacherMailsEnabled = ($optRow['show_teacher'] ?? 'N') === 'Y';
+
+/* ---------------------------------------------------------- insegnanti */
+
+$employees = [];
+$owner = null;
+foreach ($pdo->query("SELECT idemployee, nameemployee, surnameemployee, email, is_owner, notifications, active FROM employee")->fetchAll() as $t) {
+    $employees[(int) $t['idemployee']] = $t;
+    if ($t['is_owner'] === 'Y' && $owner === null) {
+        $owner = $t;
+    }
+}
+
 /* ------------------------------------------------------ classi del giorno */
 
 $stmt = $pdo->prepare(
-    "SELECT ss.idserviceschedule, ss.dateschedule, s.servicename, s.colorclass, s.maxcapacity
+    "SELECT ss.idserviceschedule, ss.dateschedule, s.servicename, s.colorclass, s.maxcapacity, s.idteacher
      FROM serviceschedule ss
      LEFT JOIN service s ON ss.idservice = s.idservice
      WHERE ss.dateschedule >= :d1 AND ss.dateschedule < :d2
@@ -127,7 +186,7 @@ foreach ($stmtB->fetchAll() as $b) {
 
 /* ------------------------------------------------------------ template */
 
-function personRows(array $list, string $type): string
+function personRows(array $list, string $type, bool $full): string
 {
     if (!$list) {
         return '<tr><td style="padding:16px;color:#9ca3af;font-size:14px;text-align:center;">Nessun partecipante</td></tr>';
@@ -145,12 +204,14 @@ function personRows(array $list, string $type): string
             $chipHtml = chip('In coda', '#fbeef3', '#d1698a');
         }
         $nameColor = $isLost ? '#9ca3af' : '#1f2937';
-        $email = !empty($p['email']) ? '<br><span style="font-size:12px;color:#6b7280;font-weight:400;">' . h($p['email']) . '</span>' : '';
+        $email = ($full && !empty($p['email']))
+            ? '<br><span style="font-size:12px;color:#6b7280;font-weight:400;">' . h($p['email']) . '</span>'
+            : '';
 
         $html .= '<tr><td style="padding:10px 14px;border-bottom:1px solid #eef0f3;">'
             . '<table role="presentation" width="100%" cellpadding="0" cellspacing="0"><tr>'
             . '<td width="34" valign="top" style="font-weight:800;color:' . $numColor . ';font-size:14px;padding-top:1px;">' . $i . ($type === 'waiting' ? '°' : '.') . '</td>'
-            . '<td valign="top" style="font-size:15px;color:' . $nameColor . ';font-weight:600;">' . h(fullName($p)) . $email . '</td>'
+            . '<td valign="top" style="font-size:15px;color:' . $nameColor . ';font-weight:600;">' . h(personName($p, $full)) . $email . '</td>'
             . '<td valign="top" align="right" width="100">' . $chipHtml . '</td>'
             . '</tr></table></td></tr>';
         $i++;
@@ -174,7 +235,12 @@ function statBox(string $value, string $label, string $color): string
         . '</td>';
 }
 
-function renderEmail(array $cls, array $booked, array $pending, array $waiting, string $location): string
+/**
+ * @param bool        $full        true = versione titolare (nomi completi + email)
+ * @param string      $teacherFull nome insegnante da mostrare in testata
+ * @param string|null $copyNote    nota "copia per il titolare" (solo se il titolare non è l'insegnante)
+ */
+function renderEmail(array $cls, array $booked, array $pending, array $waiting, string $location, bool $full, string $teacherFull, ?string $copyNote): string
 {
     $d = new DateTime($cls['dateschedule']);
     $accent = $cls['colorclass'] ?: '#1ebf73';
@@ -195,42 +261,54 @@ function renderEmail(array $cls, array $booked, array $pending, array $waiting,
         ? '<div style="font-size:13px;color:#6b7280;margin-top:6px;">di cui ' . $nLost . ' segnat' . ($nLost === 1 ? 'a' : 'e') . ' come pers' . ($nLost === 1 ? 'a' : 'e') . '</div>'
         : '';
 
-    $body = section('Partecipanti confermati (' . $nBooked . ')', '#374151', personRows($booked, 'booked'));
+    $body = section('Partecipanti confermati (' . $nBooked . ')', '#374151', personRows($booked, 'booked', $full));
     if ($pending) {
-        $body .= section('In attesa di conferma (' . count($pending) . ')', '#8a6d00', personRows($pending, 'pending'));
+        $body .= section('In attesa di conferma (' . count($pending) . ')', '#8a6d00', personRows($pending, 'pending', $full));
     }
     if ($waiting) {
-        $body .= section('Lista d\'attesa (' . count($waiting) . ')', '#d1698a', personRows($waiting, 'waiting'));
+        $body .= section('Lista d\'attesa (' . count($waiting) . ')', '#d1698a', personRows($waiting, 'waiting', $full));
     }
 
+    $copyBanner = $copyNote
+        ? '<tr><td style="padding:14px 28px 0;"><div style="background:#f5eee4;color:#5a4630;border-radius:10px;padding:10px 14px;font-size:13px;">' . $copyNote . '</div></td></tr>'
+        : '';
+
+    $teacherLine = $teacherFull !== ''
+        ? '<div style="font-size:13px;color:#6b7280;margin-top:4px;">Insegnante: <strong style="color:#374151;">' . h($teacherFull) . '</strong></div>'
+        : '';
+
     return '<!doctype html><html lang="it"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>' . h($cls['servicename']) . '</title></head>'
         . '<body style="margin:0;padding:0;background:#f3f5f7;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;">'
         . '<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f3f5f7;padding:24px 12px;"><tr><td align="center">'
         . '<table role="presentation" width="600" cellpadding="0" cellspacing="0" style="max-width:600px;width:100%;background:#ffffff;border-radius:14px;overflow:hidden;box-shadow:0 3px 16px rgba(0,0,0,0.06);">'
-        // barra colore classe
         . '<tr><td style="height:8px;background:' . h($accent) . ';font-size:0;line-height:0;">&nbsp;</td></tr>'
-        // intestazione
+        . $copyBanner
         . '<tr><td style="padding:26px 28px 6px;">'
         . '<div style="font-size:12px;font-weight:700;color:#1ebf73;text-transform:uppercase;letter-spacing:0.06em;">YogiBook · Riepilogo classe</div>'
         . '<h1 style="margin:8px 0 6px;font-size:24px;color:#1f2937;">' . h($cls['servicename']) . '</h1>'
         . '<div style="font-size:15px;color:#374151;font-weight:600;">' . h(italianDate($d)) . ' · ore ' . $d->format('H:i') . '</div>'
         . '<div style="font-size:13px;color:#6b7280;margin-top:4px;">' . h($location) . '</div>'
+        . $teacherLine
         . '</td></tr>'
-        // statistiche
         . '<tr><td style="padding:16px 22px 0;">' . $stats . '<div style="padding:0 6px;">' . $lostNote . '</div></td></tr>'
-        // elenchi
         . $body
-        // footer
         . '<tr><td style="padding:26px 28px;font-size:12px;color:#9ca3af;text-align:center;">Generato automaticamente da YogiBook il ' . date('d/m/Y \a\l\l\e H:i') . '</td></tr>'
         . '</table></td></tr></table></body></html>';
 }
 
-function renderText(array $cls, array $booked, array $pending, array $waiting, string $location): string
+function renderText(array $cls, array $booked, array $pending, array $waiting, string $location, bool $full, string $teacherFull, ?string $copyNote): string
 {
     $d = new DateTime($cls['dateschedule']);
     $max = (int) $cls['maxcapacity'];
-    $t = $cls['servicename'] . "\n" . italianDate($d) . ' ore ' . $d->format('H:i') . "\n" . $location . "\n\n";
-    $t .= 'Iscritti: ' . count($booked) . '/' . $max . ' | In attesa: ' . count($pending) . ' | In coda: ' . count($waiting) . "\n\n";
+    $t = '';
+    if ($copyNote) {
+        $t .= strip_tags($copyNote) . "\n\n";
+    }
+    $t .= $cls['servicename'] . "\n" . italianDate($d) . ' ore ' . $d->format('H:i') . "\n" . $location . "\n";
+    if ($teacherFull !== '') {
+        $t .= 'Insegnante: ' . $teacherFull . "\n";
+    }
+    $t .= "\nIscritti: " . count($booked) . '/' . $max . ' | In attesa: ' . count($pending) . ' | In coda: ' . count($waiting) . "\n\n";
     $blocks = ['CONFERMATI' => $booked, 'IN ATTESA DI CONFERMA' => $pending, "LISTA D'ATTESA" => $waiting];
     foreach ($blocks as $title => $list) {
         if ($title !== 'CONFERMATI' && !$list) {
@@ -243,7 +321,7 @@ function renderText(array $cls, array $booked, array $pending, array $waiting, s
         $i = 1;
         foreach ($list as $p) {
             $lost = ($p['status'] === 'booked' && ($p['lostlesson'] ?? '') === 'Y') ? ' (PERSA)' : '';
-            $t .= '  ' . $i++ . '. ' . fullName($p) . $lost . "\n";
+            $t .= '  ' . $i++ . '. ' . personName($p, $full) . $lost . "\n";
         }
         $t .= "\n";
     }
@@ -276,6 +354,7 @@ function makeMailer(): PHPMailer
 $mailer = $dryRun ? null : makeMailer();
 $sent = 0;
 $failed = 0;
+$skipped = 0;
 
 foreach ($classes as $cls) {
     $sid = (int) $cls['idserviceschedule'];
@@ -284,51 +363,85 @@ foreach ($classes as $cls) {
     $pending = array_values(array_filter($all, fn($b) => $b['status'] === 'pending'));
     $waiting = array_values(array_filter($all, fn($b) => $b['status'] === 'waiting'));
 
+    $teacher = $employees[(int) $cls['idteacher']] ?? null;
+    $teacherIsOwner = $teacher && $owner && (int) $teacher['idemployee'] === (int) $owner['idemployee'];
+    $tName = teacherName($teacher);
+
     $d = new DateTime($cls['dateschedule']);
-    $subject = $cls['servicename'] . ' · ' . $d->format('d/m') . ' ore ' . $d->format('H:i')
+    $baseSubject = $cls['servicename'] . ' · ' . $d->format('d/m') . ' ore ' . $d->format('H:i')
         . ' · ' . count($booked) . '/' . (int) $cls['maxcapacity'] . ' iscritti';
     if ($pending) {
-        $subject .= ' · ' . count($pending) . ' in attesa';
+        $baseSubject .= ' · ' . count($pending) . ' in attesa';
     }
     if ($waiting) {
-        $subject .= ' · ' . count($waiting) . ' in coda';
+        $baseSubject .= ' · ' . count($waiting) . ' in coda';
     }
 
-    $html = renderEmail($cls, $booked, $pending, $waiting, $location);
-    $text = renderText($cls, $booked, $pending, $waiting, $location);
-
-    if ($dryRun) {
-        $dir = __DIR__ . '/preview';
-        if (!is_dir($dir)) {
-            mkdir($dir, 0775, true);
+    // Chi riceve cosa
+    $deliveries = [];
+    if ($teacherIsOwner) {
+        if (canReceive($owner)) {
+            $deliveries[] = ['to' => $owner, 'full' => true, 'copy' => null, 'tag' => 'titolare'];
         }
-        $file = $dir . '/classe_' . $sid . '.html';
-        file_put_contents($file, $html);
-        logmsg("[DRY-RUN] $subject -> $file");
+    } else {
+        if (!$teacherMailsEnabled) {
+            logmsg("Classe #$sid ({$cls['servicename']}): mail all'insegnante non inviata (opzione insegnanti disattivata)");
+        } elseif (canReceive($teacher)) {
+            $deliveries[] = ['to' => $teacher, 'full' => false, 'copy' => null, 'tag' => 'insegnante'];
+        } else {
+            logmsg("Classe #$sid ({$cls['servicename']}): insegnante " . ($tName ?: '-') . " escluso: " . whyNot($teacher));
+        }
+        if (canReceive($owner)) {
+            $note = $tName !== ''
+                ? '<strong>Copia per il titolare</strong> · classe di ' . h($tName)
+                : '<strong>Copia per il titolare</strong> · classe senza insegnante assegnato';
+            $deliveries[] = ['to' => $owner, 'full' => true, 'copy' => $note, 'tag' => 'titolare'];
+        }
+    }
+
+    if (!$deliveries) {
+        $skipped++;
+        logmsg("SALTATA classe #$sid ({$cls['servicename']}): nessun destinatario (notifiche disattivate o email mancante).");
         continue;
     }
 
-    try {
-        $mailer->clearAddresses();
-        foreach ($recipients as $r) {
-            $mailer->addAddress($r, cfg('TEACHER_NAME', ''));
+    foreach ($deliveries as $dv) {
+        $subject = ($dv['copy'] ? '[Copia] ' : '') . $baseSubject;
+        $html = renderEmail($cls, $booked, $pending, $waiting, $location, $dv['full'], $tName, $dv['copy']);
+        $text = renderText($cls, $booked, $pending, $waiting, $location, $dv['full'], $tName, $dv['copy']);
+        $toName = teacherName($dv['to']);
+
+        if ($dryRun) {
+            $dir = __DIR__ . '/preview';
+            if (!is_dir($dir)) {
+                mkdir($dir, 0775, true);
+            }
+            $file = $dir . '/classe_' . $sid . '_' . $dv['tag'] . '.html';
+            file_put_contents($file, $html);
+            logmsg("[DRY-RUN] a {$toName} <{$dv['to']['email']}> ({$dv['tag']}): $subject -> $file");
+            continue;
         }
-        $mailer->Subject = $subject;
-        $mailer->Body = $html;
-        $mailer->AltBody = $text;
-        $mailer->send();
-        $sent++;
-        logmsg("OK: $subject");
-    } catch (MailException $e) {
-        $failed++;
-        logmsg("ERRORE classe #$sid: " . $mailer->ErrorInfo);
+
+        try {
+            $mailer->clearAddresses();
+            $mailer->addAddress($dv['to']['email'], $toName);
+            $mailer->Subject = $subject;
+            $mailer->Body = $html;
+            $mailer->AltBody = $text;
+            $mailer->send();
+            $sent++;
+            logmsg("OK a {$toName} ({$dv['tag']}): $subject");
+        } catch (MailException $e) {
+            $failed++;
+            logmsg("ERRORE classe #$sid a {$dv['to']['email']}: " . $mailer->ErrorInfo);
+        }
+        sleep(1); // evita limiti di invio del server SMTP
     }
-    sleep(1); // evita limiti di invio del server SMTP
 }
 
 if ($mailer) {
     $mailer->smtpClose();
 }
 
-logmsg("Fine: $sent inviate, $failed errori (" . count($classes) . " classi il $day).");
+logmsg("Fine: $sent inviate, $failed errori, $skipped classi senza destinatari (" . count($classes) . " classi il $day).");
 exit($failed > 0 ? 1 : 0);
diff --git a/cron/preview/classe_307.html b/cron/preview/classe_307.html
new file mode 100644
index 0000000..94ae61f
--- /dev/null
+++ b/cron/preview/classe_307.html
@@ -0,0 +1 @@
+<!doctype html><html lang="it"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Hatha Yoga</title></head><body style="margin:0;padding:0;background:#f3f5f7;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f3f5f7;padding:24px 12px;"><tr><td align="center"><table role="presentation" width="600" cellpadding="0" cellspacing="0" style="max-width:600px;width:100%;background:#ffffff;border-radius:14px;overflow:hidden;box-shadow:0 3px 16px rgba(0,0,0,0.06);"><tr><td style="height:8px;background:#fa9b9b;font-size:0;line-height:0;">&nbsp;</td></tr><tr><td style="padding:26px 28px 6px;"><div style="font-size:12px;font-weight:700;color:#1ebf73;text-transform:uppercase;letter-spacing:0.06em;">YogiBook · Riepilogo classe</div><h1 style="margin:8px 0 6px;font-size:24px;color:#1f2937;">Hatha Yoga</h1><div style="font-size:15px;color:#374151;font-weight:600;">Lunedì 5 Ottobre 2026 · ore 19:30</div><div style="font-size:13px;color:#6b7280;margin-top:4px;">via Valassina 62/B Seregno - Sala Contesto Yoga</div></td></tr><tr><td style="padding:16px 22px 0;"><table role="presentation" width="100%" cellpadding="0" cellspacing="6"><tr><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#c0392b;line-height:1.1;">1/1</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Iscritti</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#374151;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Posti liberi</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#8a6d00;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In attesa</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#d1698a;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In coda</div></td></tr></table><div style="padding:0 6px;"></div></td></tr><tr><td style="padding:22px 28px 0;"><div style="font-size:13px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:8px;">Partecipanti confermati (1)</div><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f8fafc;border:1px solid #eef0f3;border-radius:10px;"><tr><td style="padding:10px 14px;border-bottom:1px solid #eef0f3;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0"><tr><td width="34" valign="top" style="font-weight:800;color:#1ebf73;font-size:14px;padding-top:1px;">1.</td><td valign="top" style="font-size:15px;color:#1f2937;font-weight:600;">Amelia Benucci<br><span style="font-size:12px;color:#6b7280;font-weight:400;">info@claudiosironi.com</span></td><td valign="top" align="right" width="100"><span style="display:inline-block;background:#e3f2ec;color:#1a7f52;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap;">Confermata</span></td></tr></table></td></tr></table></td></tr><tr><td style="padding:26px 28px;font-size:12px;color:#9ca3af;text-align:center;">Generato automaticamente da YogiBook il 01/10/2026 alle 11:15</td></tr></table></td></tr></table></body></html>
\ No newline at end of file
diff --git a/cron/preview/classe_307_insegnante.html b/cron/preview/classe_307_insegnante.html
new file mode 100644
index 0000000..8a936cc
--- /dev/null
+++ b/cron/preview/classe_307_insegnante.html
@@ -0,0 +1 @@
+<!doctype html><html lang="it"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Hatha Yoga</title></head><body style="margin:0;padding:0;background:#f3f5f7;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f3f5f7;padding:24px 12px;"><tr><td align="center"><table role="presentation" width="600" cellpadding="0" cellspacing="0" style="max-width:600px;width:100%;background:#ffffff;border-radius:14px;overflow:hidden;box-shadow:0 3px 16px rgba(0,0,0,0.06);"><tr><td style="height:8px;background:#fa9b9b;font-size:0;line-height:0;">&nbsp;</td></tr><tr><td style="padding:26px 28px 6px;"><div style="font-size:12px;font-weight:700;color:#1ebf73;text-transform:uppercase;letter-spacing:0.06em;">YogiBook · Riepilogo classe</div><h1 style="margin:8px 0 6px;font-size:24px;color:#1f2937;">Hatha Yoga</h1><div style="font-size:15px;color:#374151;font-weight:600;">Lunedì 5 Ottobre 2026 · ore 19:30</div><div style="font-size:13px;color:#6b7280;margin-top:4px;">via Valassina 62/B Seregno - Sala Contesto Yoga</div><div style="font-size:13px;color:#6b7280;margin-top:4px;">Insegnante: <strong style="color:#374151;">Francesca -</strong></div></td></tr><tr><td style="padding:16px 22px 0;"><table role="presentation" width="100%" cellpadding="0" cellspacing="6"><tr><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#c0392b;line-height:1.1;">1/1</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Iscritti</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#374151;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Posti liberi</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#8a6d00;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In attesa</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#d1698a;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In coda</div></td></tr></table><div style="padding:0 6px;"></div></td></tr><tr><td style="padding:22px 28px 0;"><div style="font-size:13px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:8px;">Partecipanti confermati (1)</div><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f8fafc;border:1px solid #eef0f3;border-radius:10px;"><tr><td style="padding:10px 14px;border-bottom:1px solid #eef0f3;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0"><tr><td width="34" valign="top" style="font-weight:800;color:#1ebf73;font-size:14px;padding-top:1px;">1.</td><td valign="top" style="font-size:15px;color:#1f2937;font-weight:600;">Amelia B.</td><td valign="top" align="right" width="100"><span style="display:inline-block;background:#e3f2ec;color:#1a7f52;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap;">Confermata</span></td></tr></table></td></tr></table></td></tr><tr><td style="padding:26px 28px;font-size:12px;color:#9ca3af;text-align:center;">Generato automaticamente da YogiBook il 01/10/2026 alle 11:30</td></tr></table></td></tr></table></body></html>
\ No newline at end of file
diff --git a/cron/preview/classe_307_titolare.html b/cron/preview/classe_307_titolare.html
new file mode 100644
index 0000000..d9f04e1
--- /dev/null
+++ b/cron/preview/classe_307_titolare.html
@@ -0,0 +1 @@
+<!doctype html><html lang="it"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Hatha Yoga</title></head><body style="margin:0;padding:0;background:#f3f5f7;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f3f5f7;padding:24px 12px;"><tr><td align="center"><table role="presentation" width="600" cellpadding="0" cellspacing="0" style="max-width:600px;width:100%;background:#ffffff;border-radius:14px;overflow:hidden;box-shadow:0 3px 16px rgba(0,0,0,0.06);"><tr><td style="height:8px;background:#fa9b9b;font-size:0;line-height:0;">&nbsp;</td></tr><tr><td style="padding:14px 28px 0;"><div style="background:#f5eee4;color:#5a4630;border-radius:10px;padding:10px 14px;font-size:13px;"><strong>Copia per il titolare</strong> · classe di Francesca -</div></td></tr><tr><td style="padding:26px 28px 6px;"><div style="font-size:12px;font-weight:700;color:#1ebf73;text-transform:uppercase;letter-spacing:0.06em;">YogiBook · Riepilogo classe</div><h1 style="margin:8px 0 6px;font-size:24px;color:#1f2937;">Hatha Yoga</h1><div style="font-size:15px;color:#374151;font-weight:600;">Lunedì 5 Ottobre 2026 · ore 19:30</div><div style="font-size:13px;color:#6b7280;margin-top:4px;">via Valassina 62/B Seregno - Sala Contesto Yoga</div><div style="font-size:13px;color:#6b7280;margin-top:4px;">Insegnante: <strong style="color:#374151;">Francesca -</strong></div></td></tr><tr><td style="padding:16px 22px 0;"><table role="presentation" width="100%" cellpadding="0" cellspacing="6"><tr><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#c0392b;line-height:1.1;">1/1</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Iscritti</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#374151;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">Posti liberi</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#8a6d00;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In attesa</div></td><td align="center" style="padding:12px 6px;background:#f8fafc;border-radius:10px;"><div style="font-size:22px;font-weight:800;color:#d1698a;line-height:1.1;">0</div><div style="font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:0.04em;margin-top:4px;">In coda</div></td></tr></table><div style="padding:0 6px;"></div></td></tr><tr><td style="padding:22px 28px 0;"><div style="font-size:13px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:8px;">Partecipanti confermati (1)</div><table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#f8fafc;border:1px solid #eef0f3;border-radius:10px;"><tr><td style="padding:10px 14px;border-bottom:1px solid #eef0f3;"><table role="presentation" width="100%" cellpadding="0" cellspacing="0"><tr><td width="34" valign="top" style="font-weight:800;color:#1ebf73;font-size:14px;padding-top:1px;">1.</td><td valign="top" style="font-size:15px;color:#1f2937;font-weight:600;">Amelia Benucci<br><span style="font-size:12px;color:#6b7280;font-weight:400;">info@claudiosironi.com</span></td><td valign="top" align="right" width="100"><span style="display:inline-block;background:#e3f2ec;color:#1a7f52;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap;">Confermata</span></td></tr></table></td></tr></table></td></tr><tr><td style="padding:26px 28px;font-size:12px;color:#9ca3af;text-align:center;">Generato automaticamente da YogiBook il 01/10/2026 alle 11:30</td></tr></table></td></tr></table></body></html>
\ No newline at end of file
diff --git a/db/migrations/20261001073831_extend_employee_for_teachers.php b/db/migrations/20261001073831_extend_employee_for_teachers.php
new file mode 100644
index 0000000..3b69d99
--- /dev/null
+++ b/db/migrations/20261001073831_extend_employee_for_teachers.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class ExtendEmployeeForTeachers extends AbstractMigration
+{
+    public function up(): void
+    {
+        $this->table('employee')
+            ->addColumn('email', 'string', ['limit' => 150, 'null' => true, 'after' => 'surnameemployee'])
+            ->addColumn('phone', 'string', ['limit' => 40, 'null' => true, 'after' => 'email'])
+            ->addColumn('photo', 'string', ['limit' => 191, 'null' => true, 'after' => 'phone'])
+            ->addColumn('is_owner', 'char', [
+                'limit' => 1,
+                'null' => false,
+                'default' => 'N',
+                'comment' => 'Y = titolare della scuola (uno solo)',
+                'after' => 'photo',
+            ])
+            ->addColumn('notifications', 'char', [
+                'limit' => 1,
+                'null' => false,
+                'default' => 'Y',
+                'comment' => 'Y = riceve le email',
+                'after' => 'is_owner',
+            ])
+            ->addColumn('active', 'char', ['limit' => 1, 'null' => false, 'default' => 'Y', 'after' => 'notifications'])
+            ->addColumn('created_at', 'timestamp', ['null' => true, 'default' => 'CURRENT_TIMESTAMP'])
+            ->addColumn('updated_at', 'timestamp', ['null' => true, 'default' => null, 'update' => 'CURRENT_TIMESTAMP'])
+            ->update();
+
+        // L'insegnante già presente (id più basso) diventa il titolare
+        $this->execute("UPDATE `employee` SET `is_owner` = 'Y' ORDER BY `idemployee` LIMIT 1");
+    }
+
+    public function down(): void
+    {
+        $this->table('employee')
+            ->removeColumn('email')
+            ->removeColumn('phone')
+            ->removeColumn('photo')
+            ->removeColumn('is_owner')
+            ->removeColumn('notifications')
+            ->removeColumn('active')
+            ->removeColumn('created_at')
+            ->removeColumn('updated_at')
+            ->update();
+    }
+}
diff --git a/db/migrations/20261001075259_add_show_teacher_to_option.php b/db/migrations/20261001075259_add_show_teacher_to_option.php
new file mode 100644
index 0000000..2d0e12d
--- /dev/null
+++ b/db/migrations/20261001075259_add_show_teacher_to_option.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class AddShowTeacherToOption extends AbstractMigration
+{
+    public function change(): void
+    {
+        $this->table('option')
+            ->addColumn('show_teacher', 'char', [
+                'limit'   => 1,
+                'null'    => false,
+                'default' => 'N',
+                'comment' => 'Y = mostra l\'insegnante nelle card delle classi',
+                'after'   => 'waitinglist_enabled',
+            ])
+            ->update();
+    }
+}
diff --git a/public/admin-services.php b/public/admin-services.php
index 5fa0656..605e3fe 100644
--- a/public/admin-services.php
+++ b/public/admin-services.php
@@ -11,9 +11,56 @@ function e($value): string
     return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
 }
 
+function teacherInitials(string $first, string $last): string
+{
+    $ini = mb_strtoupper(mb_substr(trim($first), 0, 1) . mb_substr(trim($last), 0, 1));
+    return $ini !== '' ? $ini : '?';
+}
+
+function teacherColor(string $seed): string
+{
+    $palette = ['#1ebf73', '#2980b9', '#8e44ad', '#e67e22', '#16a085', '#c0392b', '#2c3e50', '#b08d57'];
+    return $palette[abs(crc32($seed)) % count($palette)];
+}
+
 $message = $_GET['message'] ?? 'N';
 $insertFeedback = null;
 
+/* -------------------------------------------------------------------------
+ * Insegnanti (titolare per primo, poi attivi, poi alfabetico)
+ * ---------------------------------------------------------------------- */
+$teachers = $pdo->query(
+    "SELECT idemployee, nameemployee, surnameemployee, photo, is_owner, active
+     FROM employee
+     ORDER BY is_owner DESC, active DESC, surnameemployee, nameemployee"
+)->fetchAll();
+
+$teachersById = [];
+$ownerId = 0;
+foreach ($teachers as $t) {
+    $teachersById[(int) $t['idemployee']] = $t;
+    if ($t['is_owner'] === 'Y' && !$ownerId) {
+        $ownerId = (int) $t['idemployee'];
+    }
+}
+
+/* -------------------------------------------------------------------------
+ * Assegnazione insegnante a una classe esistente (POST)
+ * ---------------------------------------------------------------------- */
+if (($_POST['action'] ?? '') === 'assignteacher') {
+    $idservice = (int) ($_POST['idservice'] ?? 0);
+    $idteacher = (int) ($_POST['idteacher'] ?? 0);
+
+    if ($idservice > 0 && isset($teachersById[$idteacher])) {
+        $stmt = $pdo->prepare("UPDATE service SET idteacher = :t WHERE idservice = :s");
+        $stmt->execute([':t' => $idteacher, ':s' => $idservice]);
+        header('Location: ' . $_SERVER['PHP_SELF'] . '?message=teacherassigned');
+    } else {
+        header('Location: ' . $_SERVER['PHP_SELF'] . '?message=teachererror');
+    }
+    exit;
+}
+
 /* -------------------------------------------------------------------------
  * Inserimento nuova classe (POST) con prepared statement
  * ---------------------------------------------------------------------- */
@@ -26,14 +73,17 @@ if (isset($_POST['classinsert']) && $_POST['classinsert'] === 'Y') {
     $maxcapacity    = $_POST['maxcapacity'] ?? '';
     $colorclass     = trim($_POST['colorclass'] ?? '');
     $classduration  = $_POST['classduration'] ?? '';
+    $idteacher      = (int) ($_POST['idteacher'] ?? 0);
 
     if ($servicename === '') {
         $insertFeedback = ['type' => 'error', 'text' => 'La descrizione della classe è obbligatoria.'];
+    } elseif (!isset($teachersById[$idteacher])) {
+        $insertFeedback = ['type' => 'error', 'text' => 'Seleziona l\'insegnante della classe.'];
     } else {
         $sql = "INSERT INTO service
-                    (servicename, wpcatalognumber, day, time, category, maxcapacity, colorclass, classduration)
+                    (servicename, wpcatalognumber, day, time, category, maxcapacity, colorclass, classduration, idteacher)
                 VALUES
-                    (:servicename, :wpcatalog, :day, :time, :category, :maxcapacity, :colorclass, :classduration)";
+                    (:servicename, :wpcatalog, :day, :time, :category, :maxcapacity, :colorclass, :classduration, :idteacher)";
         $stmt = $pdo->prepare($sql);
         $ok = $stmt->execute([
             ':servicename'   => $servicename,
@@ -44,6 +94,7 @@ if (isset($_POST['classinsert']) && $_POST['classinsert'] === 'Y') {
             ':maxcapacity'   => $maxcapacity !== '' ? (int) $maxcapacity : null,
             ':colorclass'    => $colorclass,
             ':classduration' => $classduration !== '' ? (float) $classduration : null,
+            ':idteacher'     => $idteacher,
         ]);
 
         if ($ok) {
@@ -83,6 +134,32 @@ $propRows = $pdo->query(
 foreach ($propRows as $pr) {
     $propagationsByService[$pr['idservice']][] = $pr;
 }
+
+/**
+ * Opzioni del select insegnanti.
+ * Gli insegnanti non attivi compaiono solo se già assegnati a quella classe.
+ */
+function teacherOptions(array $teachers, int $selectedId): string
+{
+    $html = '';
+    $found = false;
+    foreach ($teachers as $t) {
+        $tid = (int) $t['idemployee'];
+        $isSel = $tid === $selectedId;
+        if ($t['active'] !== 'Y' && !$isSel) {
+            continue;
+        }
+        if ($isSel) $found = true;
+        $label = trim($t['nameemployee'] . ' ' . $t['surnameemployee'])
+            . ($t['is_owner'] === 'Y' ? ' (titolare)' : '')
+            . ($t['active'] !== 'Y' ? ' (non attivo)' : '');
+        $html .= '<option value="' . $tid . '"' . ($isSel ? ' selected' : '') . '>' . e($label) . '</option>';
+    }
+    if (!$found) {
+        $html = '<option value="" selected disabled>— Non assegnato —</option>' . $html;
+    }
+    return $html;
+}
 ?>
 <!doctype html>
 <html lang="it">
@@ -197,6 +274,43 @@ foreach ($propRows as $pr) {
         .action-btns .btn {
             margin: 2px;
         }
+
+        .teacher-cell {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            min-width: 210px;
+        }
+
+        .teacher-mini {
+            flex: 0 0 30px;
+            width: 30px;
+            height: 30px;
+            border-radius: 50%;
+            object-fit: cover;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            color: #fff;
+            font-size: 11px;
+            font-weight: 800;
+        }
+
+        .teacher-mini.none {
+            background: #f3f4f6;
+            color: #c0c4cc;
+        }
+
+        .teacher-select {
+            padding: 5px 30px 5px 10px !important;
+            font-size: 13px;
+        }
+
+        .teacher-select.unassigned {
+            border-color: #f0b27a;
+            background-color: #fff8f1;
+            color: #b9770e;
+        }
     </style>
 </head>
 
@@ -238,6 +352,12 @@ foreach ($propRows as $pr) {
                     <?php if ($message === 'inserted') : ?>
                         <div class="alert alert-success" role="alert">Classe inserita con successo.</div>
                     <?php endif; ?>
+                    <?php if ($message === 'teacherassigned') : ?>
+                        <div class="alert alert-success" role="alert">Insegnante assegnato con successo.</div>
+                    <?php endif; ?>
+                    <?php if ($message === 'teachererror') : ?>
+                        <div class="alert alert-danger" role="alert">Impossibile assegnare l'insegnante. Riprova.</div>
+                    <?php endif; ?>
                     <?php if ($message === 'success') : ?>
                         <div class="alert alert-success" role="alert">Propagazione avvenuta con successo.</div>
                     <?php endif; ?>
@@ -261,6 +381,11 @@ foreach ($propRows as $pr) {
                             <?php echo e($insertFeedback['text']); ?>
                         </div>
                     <?php endif; ?>
+                    <?php if (empty($teachers)) : ?>
+                        <div class="alert alert-warning" role="alert">
+                            Non ci sono insegnanti: <a href="insegnanti.php">aggiungine almeno uno</a> prima di creare una classe.
+                        </div>
+                    <?php endif; ?>
 
                     <!-- Form inserimento classe -->
                     <div class="row">
@@ -343,6 +468,14 @@ foreach ($propRows as $pr) {
                                                     <input type="text" class="form-control" id="colorclass" name="colorclass" value="#1ebf73">
                                                 </div>
                                             </div>
+                                            <div class="col-lg-4">
+                                                <div class="mb-3">
+                                                    <label for="idteacher" class="form-label">Insegnante</label>
+                                                    <select name="idteacher" id="idteacher" class="form-select" required>
+                                                        <?php echo teacherOptions($teachers, $ownerId); ?>
+                                                    </select>
+                                                </div>
+                                            </div>
                                         </div>
 
                                         <button type="submit" class="btn btn-primary btn-save">Inserisci classe</button>
@@ -358,7 +491,7 @@ foreach ($propRows as $pr) {
                             <div class="card admin-card">
                                 <div class="card-body">
                                     <div class="section-title">Classi esistenti</div>
-                                    <p class="section-lead">Propaga una classe sul calendario, associala o modificane i dettagli.</p>
+                                    <p class="section-lead">Propaga una classe sul calendario, associala, assegna l'insegnante o modificane i dettagli.</p>
 
                                     <div class="table-responsive">
                                         <table class="table class-table align-middle mb-0">
@@ -369,16 +502,20 @@ foreach ($propRows as $pr) {
                                                     <th>Orario</th>
                                                     <th>Durata</th>
                                                     <th>Categoria</th>
+                                                    <th>Insegnante</th>
                                                     <th class="text-end">Azioni</th>
                                                 </tr>
                                             </thead>
                                             <tbody>
                                                 <?php if (empty($services)) : ?>
                                                     <tr>
-                                                        <td colspan="6" class="text-center text-muted py-4">Nessuna classe presente.</td>
+                                                        <td colspan="7" class="text-center text-muted py-4">Nessuna classe presente.</td>
                                                     </tr>
                                                 <?php else : ?>
-                                                    <?php foreach ($services as $svc) : ?>
+                                                    <?php foreach ($services as $svc) :
+                                                        $svcTeacherId = (int) $svc['idteacher'];
+                                                        $svcTeacher = $teachersById[$svcTeacherId] ?? null;
+                                                    ?>
                                                         <tr>
                                                             <td>
                                                                 <span class="color-dot" style="background-color: <?php echo e($svc['colorclass'] ?: '#ccc'); ?>;"></span>
@@ -391,6 +528,25 @@ foreach ($propRows as $pr) {
                                                                 <?php echo e($svc['classduration']); ?>
                                                             </td>
                                                             <td><?php echo e($svc['namecategory']); ?></td>
+                                                            <td>
+                                                                <form method="post" class="teacher-cell">
+                                                                    <input type="hidden" name="action" value="assignteacher">
+                                                                    <input type="hidden" name="idservice" value="<?php echo (int) $svc['idservice']; ?>">
+                                                                    <?php if ($svcTeacher && $svcTeacher['photo']) : ?>
+                                                                        <img class="teacher-mini" src="assets/images/teachers/<?php echo e($svcTeacher['photo']); ?>" alt="">
+                                                                    <?php elseif ($svcTeacher) :
+                                                                        $tName = trim($svcTeacher['nameemployee'] . ' ' . $svcTeacher['surnameemployee']); ?>
+                                                                        <span class="teacher-mini" style="background:<?php echo teacherColor($tName); ?>;"><?php echo e(teacherInitials($svcTeacher['nameemployee'], $svcTeacher['surnameemployee'])); ?></span>
+                                                                    <?php else : ?>
+                                                                        <span class="teacher-mini none"><i class="fas fa-user"></i></span>
+                                                                    <?php endif; ?>
+                                                                    <select name="idteacher" class="form-select teacher-select <?php echo $svcTeacher ? '' : 'unassigned'; ?>"
+                                                                        data-current="<?php echo $svcTeacherId; ?>"
+                                                                        data-classname="<?php echo e($svc['servicename'] . ' ' . $svc['day'] . ' ' . $svc['time']); ?>">
+                                                                        <?php echo teacherOptions($teachers, $svcTeacherId); ?>
+                                                                    </select>
+                                                                </form>
+                                                            </td>
                                                             <td class="text-end action-btns">
                                                                 <button type="button" class="btn btn-primary btn-sm toggle-form">Propaga</button>
                                                                 <a href="associate-services.php?id=<?php echo (int) $svc['idservice']; ?>">
@@ -407,7 +563,7 @@ foreach ($propRows as $pr) {
                                                             </td>
                                                         </tr>
                                                         <tr class="expanded-row">
-                                                            <td colspan="6">
+                                                            <td colspan="7">
                                                                 <div class="expanded-content">
                                                                     <form class="calendar-form" method="post" action="nextdateclass.php">
                                                                         <div class="row">
@@ -514,6 +670,17 @@ foreach ($propRows as $pr) {
                     $('#colorclass').val(col.toHexString());
                 }
             });
+
+            // Cambio insegnante dalla tabella: conferma e salva
+            $('.teacher-select').on('change', function() {
+                var sel = $(this);
+                var teacherName = sel.find('option:selected').text();
+                if (confirm('Assegnare ' + teacherName + ' alla classe ' + sel.data('classname') + '?')) {
+                    sel.closest('form')[0].submit();
+                } else {
+                    sel.val(String(sel.data('current')) === '0' ? '' : String(sel.data('current')));
+                }
+            });
         });
 
         // Espansione riga propagazione
diff --git a/public/adminpanel.php b/public/adminpanel.php
index 4b7d836..4c9d4e1 100644
--- a/public/adminpanel.php
+++ b/public/adminpanel.php
@@ -28,8 +28,16 @@ function avatarColor(string $seed): string
     return $palette[$idx];
 }
 
-$optRow = $pdo->query("SELECT maxbeforetimecancell FROM `option` LIMIT 1")->fetch();
+$optRow = $pdo->query("SELECT maxbeforetimecancell, show_teacher FROM `option` LIMIT 1")->fetch();
 $timetocancel = $optRow ? (int) $optRow['maxbeforetimecancell'] : 24;
+$showTeacher = ($optRow['show_teacher'] ?? 'N') === 'Y';
+
+$teachersById = [];
+if ($showTeacher) {
+    foreach ($pdo->query("SELECT idemployee, nameemployee, surnameemployee, photo FROM employee")->fetchAll() as $t) {
+        $teachersById[(int) $t['idemployee']] = $t;
+    }
+}
 
 if (isset($_GET['prev_month'])) {
     $currentMonthStart = preg_replace('/[^0-9\-]/', '', $_GET['prev_month']) . '-01';
@@ -44,7 +52,7 @@ if (strtotime($currentMonthStart) === false) {
 $currentMonthEnd = date("Y-m-t", strtotime($currentMonthStart));
 
 $sqlSchedule = "SELECT serviceschedule.*, service.servicename, service.colorclass,
-                       service.maxcapacity, service.idservice
+                            service.maxcapacity, service.idservice, service.idteacher
                 FROM serviceschedule
                 LEFT JOIN service ON serviceschedule.idservice = service.idservice
                 WHERE serviceschedule.dateschedule BETWEEN :start AND DATE_ADD(:end, INTERVAL 1 DAY)
@@ -231,6 +239,38 @@ $italianMonths = [
             margin: 0 0 4px;
         }
 
+        .class-teacher {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            margin-top: 4px;
+        }
+
+        .class-teacher strong {
+            color: #374151;
+            font-weight: 600;
+        }
+
+        .teacher-avatar-sm {
+            flex: 0 0 26px;
+            width: 26px;
+            height: 26px;
+            border-radius: 50%;
+            object-fit: cover;
+            background: #E1D0B8;
+            color: #5a4630;
+            font-size: 11px;
+            font-weight: 800;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+        }
+
+        .teacher-avatar-sm.none {
+            background: #fdf0e3;
+            color: #e67e22;
+        }
+
         .class-meta {
             color: #6b7280;
             font-size: 14px;
@@ -610,6 +650,22 @@ $italianMonths = [
                                     </h3>
                                     <p class="class-meta"><i class="far fa-clock me-1"></i><?php echo e($whenFmt); ?></p>
                                     <p class="class-meta"><i class="fas fa-location-dot me-1"></i>via Valassina 62/B Seregno - Sala Contesto Yoga</p>
+                                    <?php if ($showTeacher) :
+                                        $tch = $teachersById[(int) ($sch['idteacher'] ?? 0)] ?? null; ?>
+                                        <p class="class-meta class-teacher">
+                                            <?php if ($tch) : ?>
+                                                <?php if (!empty($tch['photo'])) : ?>
+                                                    <img class="teacher-avatar-sm" src="assets/images/teachers/<?php echo e($tch['photo']); ?>" alt="">
+                                                <?php else : ?>
+                                                    <span class="teacher-avatar-sm"><?php echo e(initials($tch['nameemployee'], $tch['surnameemployee'])); ?></span>
+                                                <?php endif; ?>
+                                                Insegnante: <strong><?php echo e(trim($tch['nameemployee'] . ' ' . $tch['surnameemployee'])); ?></strong>
+                                            <?php else : ?>
+                                                <span class="teacher-avatar-sm none"><i class="fas fa-user" style="font-size:10px;"></i></span>
+                                                <span style="color:#e67e22;font-weight:600;">Insegnante non assegnato</span>
+                                            <?php endif; ?>
+                                        </p>
+                                    <?php endif; ?>
 
                                     <div class="class-toolbar">
                                         <button class="btn-soft btn-bookings" onclick="togglePanel(this)"><i class="fas fa-list-ul me-1"></i> Vedi prenotazioni</button>
diff --git a/public/assets/images/teachers/teacher_9b5422fa1b0622aa.jpg b/public/assets/images/teachers/teacher_9b5422fa1b0622aa.jpg
new file mode 100644
index 0000000..d09f13a
Binary files /dev/null and b/public/assets/images/teachers/teacher_9b5422fa1b0622aa.jpg differ
diff --git a/public/include/sidebar.php b/public/include/sidebar.php
index 0f07c03..4c2eb0a 100644
--- a/public/include/sidebar.php
+++ b/public/include/sidebar.php
@@ -166,6 +166,12 @@
                             <span class="menu-item">Opzioni Scuola</span>
                         </a>
                     </li>
+                    <li>
+                        <a href="insegnanti.php" class="">
+                            <i class="bx bx-slider-alt icon nav-icon"></i>
+                            <span class="menu-item">Insegnanti</span>
+                        </a>
+                    </li>
 
                     <!-- Template (demo) -->
                     <li class="menu-title" data-key="t-applications">Template</li>
diff --git a/public/insegnanti.php b/public/insegnanti.php
new file mode 100644
index 0000000..471bdbe
--- /dev/null
+++ b/public/insegnanti.php
@@ -0,0 +1,783 @@
+<?php ob_start();
+require_once('include/headscript.php');
+/**
+ * YogiBook - Gestione insegnanti (CRUD)
+ * Tabella: employee
+ * - un solo titolare (is_owner = 'Y'), non eliminabile né disattivabile
+ * - notifiche email attivabili/disattivabili
+ * - foto opzionale (JPG/PNG/WEBP, max 3 MB) in assets/images/teachers/
+ */
+$pdo = DBHandlerSelect::getInstance()->getConnection();
+
+if (!function_exists('e')) {
+    function e($value): string
+    {
+        return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
+    }
+}
+
+if (session_status() !== PHP_SESSION_ACTIVE) {
+    session_start();
+}
+if (empty($_SESSION['csrf_teachers'])) {
+    $_SESSION['csrf_teachers'] = bin2hex(random_bytes(16));
+}
+$csrf = $_SESSION['csrf_teachers'];
+
+define('PHOTO_DIR_REL', 'assets/images/teachers/');
+$photoDirAbs = __DIR__ . '/' . PHOTO_DIR_REL;
+
+/* ================================================================ helper */
+
+function flashRedirect(string $type, string $msg): void
+{
+    $_SESSION['teachers_flash'] = [$type, $msg];
+    header('Location: insegnanti.php');
+    exit;
+}
+
+function teacherInitials(string $first, string $last): string
+{
+    $ini = mb_strtoupper(mb_substr(trim($first), 0, 1) . mb_substr(trim($last), 0, 1));
+    return $ini !== '' ? $ini : '?';
+}
+
+function teacherColor(string $seed): string
+{
+    $palette = ['#1ebf73', '#2980b9', '#8e44ad', '#e67e22', '#16a085', '#c0392b', '#2c3e50', '#b08d57'];
+    return $palette[abs(crc32($seed)) % count($palette)];
+}
+
+function deletePhotoFile(string $dir, ?string $name): void
+{
+    if ($name && preg_match('/^teacher_[a-f0-9]{16}\.(jpg|png|webp)$/', $name) && is_file($dir . $name)) {
+        @unlink($dir . $name);
+    }
+}
+
+/** Ritorna il nome file salvato, null se nessun file caricato. Lancia RuntimeException se non valido. */
+function handlePhotoUpload(array $file, string $dir): ?string
+{
+    if (($file['error'] ?? UPLOAD_ERR_NO_FILE) === UPLOAD_ERR_NO_FILE) {
+        return null;
+    }
+    if ($file['error'] !== UPLOAD_ERR_OK) {
+        throw new RuntimeException('Errore nel caricamento della foto.');
+    }
+    if ($file['size'] > 3 * 1024 * 1024) {
+        throw new RuntimeException('La foto supera i 3 MB.');
+    }
+    $mime = (new finfo(FILEINFO_MIME_TYPE))->file($file['tmp_name']);
+    $ext = ['image/jpeg' => 'jpg', 'image/png' => 'png', 'image/webp' => 'webp'][$mime] ?? null;
+    if (!$ext || @getimagesize($file['tmp_name']) === false) {
+        throw new RuntimeException('Formato foto non valido: usa JPG, PNG o WEBP.');
+    }
+    if (!is_dir($dir) && !@mkdir($dir, 0755, true)) {
+        throw new RuntimeException('La cartella delle foto non è scrivibile.');
+    }
+    $name = 'teacher_' . bin2hex(random_bytes(8)) . '.' . $ext;
+    if (!move_uploaded_file($file['tmp_name'], $dir . $name)) {
+        throw new RuntimeException('Impossibile salvare la foto.');
+    }
+    return $name;
+}
+
+function findTeacher(PDO $pdo, int $id): ?array
+{
+    $st = $pdo->prepare("SELECT * FROM employee WHERE idemployee = :id");
+    $st->execute([':id' => $id]);
+    $row = $st->fetch();
+    return $row ?: null;
+}
+
+/* ================================================================ azioni POST */
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if (!hash_equals($csrf, (string) ($_POST['csrf'] ?? ''))) {
+        flashRedirect('danger', 'Sessione scaduta, riprova.');
+    }
+
+    $action = $_POST['action'] ?? '';
+    $id = (int) ($_POST['id'] ?? 0);
+
+    try {
+        /* ---------- crea / modifica */
+        if ($action === 'save') {
+            $name    = trim((string) ($_POST['nameemployee'] ?? ''));
+            $surname = trim((string) ($_POST['surnameemployee'] ?? ''));
+            $email   = trim((string) ($_POST['email'] ?? ''));
+            $phone   = trim((string) ($_POST['phone'] ?? ''));
+            $notify  = isset($_POST['notifications']) ? 'Y' : 'N';
+            $active  = isset($_POST['active']) ? 'Y' : 'N';
+
+            if ($name === '' || $surname === '') {
+                flashRedirect('danger', 'Nome e cognome sono obbligatori.');
+            }
+            if (mb_strlen($name) > 100 || mb_strlen($surname) > 100) {
+                flashRedirect('danger', 'Nome o cognome troppo lunghi.');
+            }
+            if ($email !== '' && !filter_var($email, FILTER_VALIDATE_EMAIL)) {
+                flashRedirect('danger', 'Indirizzo email non valido.');
+            }
+            if ($phone !== '' && !preg_match('/^[0-9 +().\/-]{5,40}$/', $phone)) {
+                flashRedirect('danger', 'Numero di telefono non valido.');
+            }
+            if ($email !== '') {
+                $dup = $pdo->prepare("SELECT COUNT(*) AS c FROM employee WHERE email = :email AND idemployee <> :id");
+                $dup->execute([':email' => $email, ':id' => $id]);
+                if ((int) $dup->fetch()['c'] > 0) {
+                    flashRedirect('danger', 'Questa email è già usata da un altro insegnante.');
+                }
+            }
+
+            if ($id > 0) {
+                $current = findTeacher($pdo, $id);
+                if (!$current) {
+                    flashRedirect('danger', 'Insegnante non trovato.');
+                }
+                if ($current['is_owner'] === 'Y' && $active === 'N') {
+                    flashRedirect('danger', 'Il titolare non può essere disattivato.');
+                }
+
+                $photo = $current['photo'];
+                $newPhoto = handlePhotoUpload($_FILES['photo'] ?? [], $photoDirAbs);
+                if ($newPhoto !== null) {
+                    deletePhotoFile($photoDirAbs, $photo);
+                    $photo = $newPhoto;
+                } elseif (isset($_POST['remove_photo'])) {
+                    deletePhotoFile($photoDirAbs, $photo);
+                    $photo = null;
+                }
+
+                $st = $pdo->prepare("UPDATE employee SET nameemployee = :n, surnameemployee = :s, email = :e,
+                        phone = :p, photo = :ph, notifications = :nt, active = :a
+                    WHERE idemployee = :id");
+                $st->execute([
+                    ':n' => $name,
+                    ':s' => $surname,
+                    ':e' => $email ?: null,
+                    ':p' => $phone ?: null,
+                    ':ph' => $photo,
+                    ':nt' => $notify,
+                    ':a' => $active,
+                    ':id' => $id,
+                ]);
+                flashRedirect('success', 'Insegnante aggiornato.');
+            }
+
+            // nuovo
+            $photo = handlePhotoUpload($_FILES['photo'] ?? [], $photoDirAbs);
+            $hasOwner = (int) $pdo->query("SELECT COUNT(*) AS c FROM employee WHERE is_owner = 'Y'")->fetch()['c'] > 0;
+
+            $st = $pdo->prepare("INSERT INTO employee
+                    (nameemployee, surnameemployee, email, phone, photo, is_owner, notifications, active, idlocation)
+                VALUES (:n, :s, :e, :p, :ph, :o, :nt, :a, 0)");
+            $st->execute([
+                ':n' => $name,
+                ':s' => $surname,
+                ':e' => $email ?: null,
+                ':p' => $phone ?: null,
+                ':ph' => $photo,
+                ':o' => $hasOwner ? 'N' : 'Y',
+                ':nt' => $notify,
+                ':a' => $hasOwner ? $active : 'Y',
+            ]);
+            flashRedirect('success', 'Insegnante aggiunto' . ($hasOwner ? '.' : ' e impostato come titolare.'));
+        }
+
+        /* ---------- imposta titolare */
+        if ($action === 'set_owner' && $id > 0) {
+            if (!findTeacher($pdo, $id)) {
+                flashRedirect('danger', 'Insegnante non trovato.');
+            }
+            $pdo->beginTransaction();
+            $pdo->exec("UPDATE employee SET is_owner = 'N' WHERE is_owner = 'Y'");
+            $st = $pdo->prepare("UPDATE employee SET is_owner = 'Y', active = 'Y' WHERE idemployee = :id");
+            $st->execute([':id' => $id]);
+            $pdo->commit();
+            flashRedirect('success', 'Titolare aggiornato.');
+        }
+
+        /* ---------- notifiche on/off */
+        if ($action === 'toggle_notifications' && $id > 0) {
+            $st = $pdo->prepare("UPDATE employee SET notifications = IF(notifications = 'Y', 'N', 'Y') WHERE idemployee = :id");
+            $st->execute([':id' => $id]);
+            flashRedirect('success', 'Notifiche aggiornate.');
+        }
+
+        /* ---------- elimina */
+        if ($action === 'delete' && $id > 0) {
+            $t = findTeacher($pdo, $id);
+            if (!$t) {
+                flashRedirect('danger', 'Insegnante non trovato.');
+            }
+            if ($t['is_owner'] === 'Y') {
+                flashRedirect('danger', 'Il titolare non può essere eliminato. Imposta prima un altro titolare.');
+            }
+            $cnt = $pdo->prepare("SELECT COUNT(*) AS c FROM service WHERE idteacher = :id");
+            $cnt->execute([':id' => $id]);
+            $nServices = (int) $cnt->fetch()['c'];
+            if ($nServices > 0) {
+                flashRedirect('danger', 'Impossibile eliminare: ha ' . $nServices . ' classi assegnate. Riassegnale oppure disattiva l\'insegnante.');
+            }
+            $pdo->beginTransaction();
+            $pdo->prepare("DELETE FROM dayoff WHERE idteacher = :id")->execute([':id' => $id]);
+            $pdo->prepare("DELETE FROM employee WHERE idemployee = :id")->execute([':id' => $id]);
+            $pdo->commit();
+            deletePhotoFile($photoDirAbs, $t['photo']);
+            flashRedirect('success', 'Insegnante eliminato.');
+        }
+
+        flashRedirect('danger', 'Azione non valida.');
+    } catch (RuntimeException $ex) {
+        flashRedirect('danger', $ex->getMessage());
+    } catch (Throwable $ex) {
+        if ($pdo->inTransaction()) {
+            $pdo->rollBack();
+        }
+        error_log('insegnanti.php: ' . $ex->getMessage());
+        flashRedirect('danger', 'Errore durante il salvataggio. Riprova.');
+    }
+}
+
+/* ================================================================ lettura */
+
+$flash = $_SESSION['teachers_flash'] ?? null;
+unset($_SESSION['teachers_flash']);
+
+$teachers = $pdo->query("SELECT e.*,
+        (SELECT COUNT(*) FROM service s WHERE s.idteacher = e.idemployee) AS nservices
+    FROM employee e
+    ORDER BY e.is_owner DESC, e.active DESC, e.surnameemployee, e.nameemployee")->fetchAll();
+?>
+<!doctype html>
+<html lang="it">
+
+<head>
+    <meta charset="utf-8" />
+    <title>YogiBook - Insegnanti</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="YogiBook - Prenotazione facile YogaSoul" name="description" />
+    <meta content="Advanced Creative Solutions" name="author" />
+    <link rel="shortcut icon" href="assets/images/favicon.ico">
+    <link href="assets/css/bootstrap.min.css" id="bootstrap-style" rel="stylesheet" type="text/css" />
+    <link href="assets/css/icons.min.css" rel="stylesheet" type="text/css" />
+    <link href="assets/css/app.min.css" id="app-style" rel="stylesheet" type="text/css" />
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
+    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
+
+    <style>
+        .teachers-head {
+            display: flex;
+            flex-wrap: wrap;
+            gap: 12px;
+            align-items: center;
+            justify-content: space-between;
+            margin-bottom: 20px;
+        }
+
+        .teachers-head h5 {
+            margin: 0;
+            font-weight: 700;
+            color: #374151;
+        }
+
+        .teacher-card {
+            background: #fff;
+            border-radius: 14px;
+            box-shadow: 0 3px 16px rgba(0, 0, 0, 0.06);
+            padding: 20px;
+            margin-bottom: 20px;
+            height: calc(100% - 20px);
+            display: flex;
+            flex-direction: column;
+            border-top: 5px solid #eef0f3;
+            transition: box-shadow 0.2s;
+        }
+
+        .teacher-card:hover {
+            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.1);
+        }
+
+        .teacher-card.owner {
+            border-top-color: #E1D0B8;
+        }
+
+        .teacher-card.inactive {
+            opacity: 0.6;
+        }
+
+        .teacher-top {
+            display: flex;
+            gap: 14px;
+            align-items: center;
+            margin-bottom: 14px;
+        }
+
+        .teacher-avatar {
+            flex: 0 0 64px;
+            width: 64px;
+            height: 64px;
+            border-radius: 50%;
+            object-fit: cover;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            color: #fff;
+            font-size: 22px;
+            font-weight: 800;
+            border: 3px solid #f3f4f6;
+        }
+
+        .teacher-name {
+            font-size: 17px;
+            font-weight: 700;
+            color: #1f2937;
+            line-height: 1.2;
+        }
+
+        .t-badge {
+            display: inline-block;
+            font-size: 11px;
+            font-weight: 700;
+            padding: 3px 10px;
+            border-radius: 20px;
+            margin-top: 5px;
+            margin-right: 4px;
+        }
+
+        .t-badge.owner {
+            background: #E1D0B8;
+            color: #5a4630;
+        }
+
+        .t-badge.inactive {
+            background: #eef0f3;
+            color: #6b7280;
+        }
+
+        .teacher-info {
+            font-size: 14px;
+            color: #4b5563;
+            margin-bottom: 4px;
+            word-break: break-all;
+        }
+
+        .teacher-info i {
+            width: 18px;
+            color: #9ca3af;
+        }
+
+        .teacher-info a {
+            color: #4b5563;
+        }
+
+        .teacher-info .missing {
+            color: #c0c4cc;
+            font-style: italic;
+        }
+
+        .teacher-foot {
+            margin-top: auto;
+            padding-top: 14px;
+            border-top: 1px solid #f0f2f5;
+            display: flex;
+            flex-wrap: wrap;
+            gap: 8px;
+            align-items: center;
+            justify-content: space-between;
+        }
+
+        .notify-form .form-check-label {
+            font-size: 13px;
+            font-weight: 600;
+            color: #4b5563;
+            cursor: pointer;
+        }
+
+        .notify-form .form-check-input {
+            cursor: pointer;
+        }
+
+        .notify-form .form-check-input:checked {
+            background-color: #1ebf73;
+            border-color: #1ebf73;
+        }
+
+        .notify-warning {
+            font-size: 11px;
+            color: #e67e22;
+            font-weight: 600;
+        }
+
+        .t-actions {
+            display: flex;
+            gap: 6px;
+        }
+
+        .t-btn {
+            border: none;
+            border-radius: 8px;
+            padding: 6px 11px;
+            font-size: 12px;
+            font-weight: 600;
+            cursor: pointer;
+            transition: filter 0.15s;
+        }
+
+        .t-btn:hover {
+            filter: brightness(0.93);
+        }
+
+        .t-btn.edit {
+            background: #eef2f7;
+            color: #374151;
+        }
+
+        .t-btn.owner {
+            background: #f5eee4;
+            color: #8a6a3f;
+        }
+
+        .t-btn.del {
+            background: #fdecea;
+            color: #c0392b;
+        }
+
+        .photo-preview {
+            width: 84px;
+            height: 84px;
+            border-radius: 50%;
+            object-fit: cover;
+            background: #f3f4f6;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            color: #9ca3af;
+            font-size: 28px;
+            border: 3px solid #eef0f3;
+            overflow: hidden;
+        }
+
+        .photo-preview img {
+            width: 100%;
+            height: 100%;
+            object-fit: cover;
+        }
+
+        .empty-teachers {
+            text-align: center;
+            color: #9ca3af;
+            padding: 50px 10px;
+        }
+    </style>
+</head>
+
+<body>
+    <div id="layout-wrapper">
+        <header id="page-topbar" class="isvertical-topbar">
+            <div class="navbar-header">
+                <div class="d-flex">
+                    <?php include('include/logoarea.php'); ?>
+                    <button type="button" class="btn btn-sm px-3 font-size-24 header-item waves-effect vertical-menu-btn">
+                        <i class="bx bx-menu align-middle"></i>
+                    </button>
+                    <div class="page-title-box align-self-center d-none d-md-block">
+                        <h4 class="page-title mb-0">Insegnanti</h4>
+                    </div>
+                </div>
+                <div class="d-flex">
+                    <?php include('include/languageselection.php'); ?>
+                    <?php include('include/profiletopbar.php'); ?>
+                </div>
+            </div>
+        </header>
+        <?php include('include/sidebar.php'); ?>
+        <header class="ishorizontal-topbar">
+            <div class="navbar-header">
+                <div class="d-flex"></div>
+            </div>
+            <div class="topnav">
+                <div class="container-fluid">
+                    <nav class="navbar navbar-light navbar-expand-lg topnav-menu"></nav>
+                </div>
+            </div>
+        </header>
+
+        <div class="main-content">
+            <div class="page-content">
+                <div class="container-fluid">
+
+                    <?php if ($flash) : ?>
+                        <div class="alert alert-<?php echo e($flash[0]); ?> alert-dismissible fade show" role="alert">
+                            <?php echo e($flash[1]); ?>
+                            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Chiudi"></button>
+                        </div>
+                    <?php endif; ?>
+
+                    <div class="teachers-head">
+                        <div>
+                            <h5>Insegnanti della scuola</h5>
+                            <small class="text-muted"><?php echo count($teachers); ?> insegnant<?php echo count($teachers) === 1 ? 'e' : 'i'; ?></small>
+                        </div>
+                        <button type="button" class="btn btn-primary" onclick="openTeacherModal(null)">
+                            <i class="fas fa-user-plus me-1"></i> Nuovo insegnante
+                        </button>
+                    </div>
+
+                    <?php if (empty($teachers)) : ?>
+                        <div class="empty-teachers">
+                            <i class="fas fa-chalkboard-teacher fa-2x mb-2"></i>
+                            <p>Nessun insegnante. Aggiungi il primo: diventerà automaticamente il titolare.</p>
+                        </div>
+                    <?php else : ?>
+                        <div class="row">
+                            <?php foreach ($teachers as $t) :
+                                $tid = (int) $t['idemployee'];
+                                $isOwner = $t['is_owner'] === 'Y';
+                                $isActive = $t['active'] === 'Y';
+                                $fullName = trim($t['nameemployee'] . ' ' . $t['surnameemployee']);
+                                $photoUrl = $t['photo'] ? PHOTO_DIR_REL . $t['photo'] : '';
+                                $payload = [
+                                    'id' => $tid,
+                                    'nameemployee' => $t['nameemployee'],
+                                    'surnameemployee' => $t['surnameemployee'],
+                                    'email' => $t['email'],
+                                    'phone' => $t['phone'],
+                                    'photo' => $photoUrl,
+                                    'notifications' => $t['notifications'] === 'Y',
+                                    'active' => $isActive,
+                                    'is_owner' => $isOwner,
+                                ];
+                            ?>
+                                <div class="col-md-6 col-xl-4">
+                                    <div class="teacher-card <?php echo $isOwner ? 'owner' : ''; ?> <?php echo $isActive ? '' : 'inactive'; ?>">
+                                        <div class="teacher-top">
+                                            <?php if ($photoUrl) : ?>
+                                                <img class="teacher-avatar" src="<?php echo e($photoUrl); ?>" alt="<?php echo e($fullName); ?>">
+                                            <?php else : ?>
+                                                <div class="teacher-avatar" style="background:<?php echo teacherColor($fullName); ?>;"><?php echo e(teacherInitials($t['nameemployee'], $t['surnameemployee'])); ?></div>
+                                            <?php endif; ?>
+                                            <div>
+                                                <div class="teacher-name"><?php echo e($fullName); ?></div>
+                                                <?php if ($isOwner) : ?><span class="t-badge owner"><i class="fas fa-crown me-1"></i>Titolare</span><?php endif; ?>
+                                                <?php if (!$isActive) : ?><span class="t-badge inactive">Non attivo</span><?php endif; ?>
+                                            </div>
+                                        </div>
+
+                                        <div class="teacher-info"><i class="far fa-envelope"></i>
+                                            <?php echo $t['email'] ? '<a href="mailto:' . e($t['email']) . '">' . e($t['email']) . '</a>' : '<span class="missing">email non inserita</span>'; ?>
+                                        </div>
+                                        <div class="teacher-info"><i class="fas fa-phone"></i>
+                                            <?php echo $t['phone'] ? '<a href="tel:' . e(preg_replace('/[^0-9+]/', '', $t['phone'])) . '">' . e($t['phone']) . '</a>' : '<span class="missing">telefono non inserito</span>'; ?>
+                                        </div>
+                                        <div class="teacher-info"><i class="fas fa-layer-group"></i>
+                                            <?php echo (int) $t['nservices']; ?> class<?php echo (int) $t['nservices'] === 1 ? 'e' : 'i'; ?> assegnat<?php echo (int) $t['nservices'] === 1 ? 'a' : 'e'; ?>
+                                        </div>
+
+                                        <div class="teacher-foot">
+                                            <form method="post" class="notify-form">
+                                                <input type="hidden" name="csrf" value="<?php echo e($csrf); ?>">
+                                                <input type="hidden" name="action" value="toggle_notifications">
+                                                <input type="hidden" name="id" value="<?php echo $tid; ?>">
+                                                <div class="form-check form-switch mb-0">
+                                                    <input class="form-check-input" type="checkbox" role="switch" id="notify<?php echo $tid; ?>"
+                                                        <?php echo $t['notifications'] === 'Y' ? 'checked' : ''; ?> onchange="this.form.submit()">
+                                                    <label class="form-check-label" for="notify<?php echo $tid; ?>">Notifiche email</label>
+                                                </div>
+                                                <?php if ($t['notifications'] === 'Y' && !$t['email']) : ?>
+                                                    <div class="notify-warning"><i class="fas fa-exclamation-triangle"></i> manca l'email</div>
+                                                <?php endif; ?>
+                                            </form>
+
+                                            <div class="t-actions">
+                                                <button type="button" class="t-btn edit" title="Modifica"
+                                                    data-teacher="<?php echo e(json_encode($payload)); ?>"
+                                                    onclick="openTeacherModal(JSON.parse(this.dataset.teacher))">
+                                                    <i class="fas fa-pen"></i>
+                                                </button>
+                                                <?php if (!$isOwner) : ?>
+                                                    <form method="post" class="confirm-form"
+                                                        data-title="Impostare come titolare?"
+                                                        data-text="<?php echo e($fullName); ?> diventerà il titolare della scuola al posto dell'attuale.">
+                                                        <input type="hidden" name="csrf" value="<?php echo e($csrf); ?>">
+                                                        <input type="hidden" name="action" value="set_owner">
+                                                        <input type="hidden" name="id" value="<?php echo $tid; ?>">
+                                                        <button type="submit" class="t-btn owner" title="Imposta come titolare"><i class="fas fa-crown"></i></button>
+                                                    </form>
+                                                    <form method="post" class="confirm-form" data-danger="1"
+                                                        data-title="Eliminare <?php echo e($fullName); ?>?"
+                                                        data-text="L'operazione non è reversibile.">
+                                                        <input type="hidden" name="csrf" value="<?php echo e($csrf); ?>">
+                                                        <input type="hidden" name="action" value="delete">
+                                                        <input type="hidden" name="id" value="<?php echo $tid; ?>">
+                                                        <button type="submit" class="t-btn del" title="Elimina"><i class="fas fa-trash"></i></button>
+                                                    </form>
+                                                <?php endif; ?>
+                                            </div>
+                                        </div>
+                                    </div>
+                                </div>
+                            <?php endforeach; ?>
+                        </div>
+                    <?php endif; ?>
+
+                </div>
+                <?php include('include/footer.php'); ?>
+            </div>
+        </div>
+    </div>
+
+    <!-- ============================================ MODALE CREA / MODIFICA -->
+    <div class="modal fade" id="teacherModal" tabindex="-1" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered">
+            <form class="modal-content" method="post" enctype="multipart/form-data" id="teacherForm">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="teacherModalTitle">Nuovo insegnante</h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Chiudi"></button>
+                </div>
+                <div class="modal-body">
+                    <input type="hidden" name="csrf" value="<?php echo e($csrf); ?>">
+                    <input type="hidden" name="action" value="save">
+                    <input type="hidden" name="id" id="t_id" value="0">
+
+                    <div class="d-flex align-items-center gap-3 mb-3">
+                        <div class="photo-preview" id="t_preview"><i class="fas fa-user"></i></div>
+                        <div class="flex-grow-1">
+                            <label class="form-label mb-1">Foto <small class="text-muted">(facoltativa, JPG/PNG/WEBP, max 3 MB)</small></label>
+                            <input type="file" name="photo" id="t_photo" class="form-control form-control-sm" accept="image/jpeg,image/png,image/webp">
+                            <div class="form-check mt-2" id="t_remove_wrap" style="display:none;">
+                                <input class="form-check-input" type="checkbox" name="remove_photo" id="t_remove">
+                                <label class="form-check-label" for="t_remove">Rimuovi foto attuale</label>
+                            </div>
+                        </div>
+                    </div>
+
+                    <div class="row g-2">
+                        <div class="col-6">
+                            <label class="form-label mb-1">Nome *</label>
+                            <input type="text" name="nameemployee" id="t_name" class="form-control" maxlength="100" required>
+                        </div>
+                        <div class="col-6">
+                            <label class="form-label mb-1">Cognome *</label>
+                            <input type="text" name="surnameemployee" id="t_surname" class="form-control" maxlength="100" required>
+                        </div>
+                        <div class="col-12">
+                            <label class="form-label mb-1">Email</label>
+                            <input type="email" name="email" id="t_email" class="form-control" maxlength="150">
+                        </div>
+                        <div class="col-12">
+                            <label class="form-label mb-1">Telefono</label>
+                            <input type="text" name="phone" id="t_phone" class="form-control" maxlength="40">
+                        </div>
+                    </div>
+
+                    <div class="mt-3">
+                        <div class="form-check form-switch">
+                            <input class="form-check-input" type="checkbox" name="notifications" id="t_notify" checked>
+                            <label class="form-check-label" for="t_notify">Riceve notifiche email</label>
+                        </div>
+                        <div class="form-check form-switch">
+                            <input class="form-check-input" type="checkbox" name="active" id="t_active" checked>
+                            <label class="form-check-label" for="t_active">Attivo</label>
+                        </div>
+                        <div class="text-muted" id="t_owner_note" style="font-size:12px;display:none;">
+                            <i class="fas fa-crown me-1" style="color:#b08d57;"></i> È il titolare: non può essere disattivato.
+                        </div>
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-light" data-bs-dismiss="modal">Annulla</button>
+                    <button type="submit" class="btn btn-primary"><i class="fas fa-save me-1"></i> Salva</button>
+                </div>
+            </form>
+        </div>
+    </div>
+
+    <script src="assets/libs/bootstrap/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/libs/metismenujs/metismenujs.min.js"></script>
+    <script src="assets/libs/simplebar/simplebar.min.js"></script>
+    <script src="assets/libs/eva-icons/eva.min.js"></script>
+    <script src="assets/js/app.js"></script>
+
+    <script>
+        var teacherModal = null;
+
+        function setPreview(url) {
+            var box = document.getElementById('t_preview');
+            box.innerHTML = url ? '<img src="' + url + '" alt="">' : '<i class="fas fa-user"></i>';
+        }
+
+        function openTeacherModal(t) {
+            var isEdit = !!t;
+            document.getElementById('teacherModalTitle').textContent = isEdit ? 'Modifica insegnante' : 'Nuovo insegnante';
+            document.getElementById('t_id').value = isEdit ? t.id : 0;
+            document.getElementById('t_name').value = isEdit ? (t.nameemployee || '') : '';
+            document.getElementById('t_surname').value = isEdit ? (t.surnameemployee || '') : '';
+            document.getElementById('t_email').value = isEdit ? (t.email || '') : '';
+            document.getElementById('t_phone').value = isEdit ? (t.phone || '') : '';
+            document.getElementById('t_notify').checked = isEdit ? t.notifications : true;
+
+            var active = document.getElementById('t_active');
+            active.checked = isEdit ? t.active : true;
+            active.disabled = isEdit && t.is_owner;
+            document.getElementById('t_owner_note').style.display = (isEdit && t.is_owner) ? 'block' : 'none';
+
+            document.getElementById('t_photo').value = '';
+            document.getElementById('t_remove').checked = false;
+            document.getElementById('t_remove_wrap').style.display = (isEdit && t.photo) ? 'block' : 'none';
+            setPreview(isEdit ? t.photo : '');
+
+            if (!teacherModal) teacherModal = new bootstrap.Modal(document.getElementById('teacherModal'));
+            teacherModal.show();
+        }
+
+        // il titolare ha "Attivo" disabilitato: lo riabilitiamo al submit così il valore viene inviato
+        document.getElementById('teacherForm').addEventListener('submit', function() {
+            document.getElementById('t_active').disabled = false;
+        });
+
+        // anteprima foto + controllo dimensione
+        document.getElementById('t_photo').addEventListener('change', function() {
+            var f = this.files[0];
+            if (!f) return;
+            if (f.size > 3 * 1024 * 1024) {
+                Swal.fire('Foto troppo grande', 'La foto deve essere al massimo di 3 MB.', 'warning');
+                this.value = '';
+                return;
+            }
+            var reader = new FileReader();
+            reader.onload = function(ev) {
+                setPreview(ev.target.result);
+            };
+            reader.readAsDataURL(f);
+            document.getElementById('t_remove').checked = false;
+        });
+
+        // conferma per titolare / elimina
+        document.querySelectorAll('.confirm-form').forEach(function(form) {
+            form.addEventListener('submit', function(ev) {
+                if (form.dataset.confirmed === '1') return;
+                ev.preventDefault();
+                var danger = form.dataset.danger === '1';
+                Swal.fire({
+                    title: form.dataset.title,
+                    text: form.dataset.text,
+                    icon: danger ? 'warning' : 'question',
+                    showCancelButton: true,
+                    confirmButtonColor: danger ? '#e74c3c' : '#b08d57',
+                    cancelButtonColor: '#6b7280',
+                    confirmButtonText: danger ? 'Sì, elimina' : 'Sì, conferma',
+                    cancelButtonText: 'Annulla'
+                }).then(function(r) {
+                    if (r.isConfirmed) {
+                        form.dataset.confirmed = '1';
+                        form.submit();
+                    }
+                });
+            });
+        });
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/public/options_save.php b/public/options_save.php
index a00e691..1863883 100644
--- a/public/options_save.php
+++ b/public/options_save.php
@@ -1,33 +1,33 @@
 <?php
 require_once('include/headscript.php');
 
+$pdo = DBHandlerSelect::getInstance()->getConnection();
+
 if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
-    header("Location: options.php");
-    exit();
+    header('Location: options.php');
+    exit;
 }
 
-$conn = new mysqli($servername, $username, $password, $dbname);
-if ($conn->connect_error) {
-    header("Location: options.php?message=error");
-    exit();
-}
+$waiting     = isset($_POST['waitinglist_enabled']) ? 'Y' : 'N';
+$showTeacher = isset($_POST['show_teacher']) ? 'Y' : 'N';
+$maxCancel   = max(0, (int) ($_POST['maxbeforetimecancell'] ?? 0));
 
-// Checkbox non spuntata = nessun invio -> default 'N'
-$waitingEnabled = (isset($_POST['waitinglist_enabled']) && $_POST['waitinglist_enabled'] === 'Y') ? 'Y' : 'N';
-$maxCancel      = isset($_POST['maxbeforetimecancell']) ? (string) (int) $_POST['maxbeforetimecancell'] : '0';
+try {
+    $exists = (int) $pdo->query("SELECT COUNT(*) AS c FROM `option`")->fetch()['c'] > 0;
 
-// Aggiorna l'unico record di option (idption = 1)
-$stmt = $conn->prepare("UPDATE `option` SET waitinglist_enabled = ?, maxbeforetimecancell = ? WHERE idption = 1");
-$stmt->bind_param("ss", $waitingEnabled, $maxCancel);
+    if ($exists) {
+        $st = $pdo->prepare("UPDATE `option`
+                             SET waitinglist_enabled = :w, show_teacher = :s, maxbeforetimecancell = :m
+                             LIMIT 1");
+    } else {
+        $st = $pdo->prepare("INSERT INTO `option` (waitinglist_enabled, show_teacher, maxbeforetimecancell)
+                             VALUES (:w, :s, :m)");
+    }
+    $st->execute([':w' => $waiting, ':s' => $showTeacher, ':m' => (string) $maxCancel]);
 
-if ($stmt->execute()) {
-    $stmt->close();
-    $conn->close();
-    header("Location: optionsschool.php?message=success");
-    exit();
-} else {
-    $stmt->close();
-    $conn->close();
-    header("Location: optionsschool.php?message=error");
-    exit();
+    header('Location: optionsschool.php?message=success');
+} catch (Throwable $e) {
+    error_log('options_save: ' . $e->getMessage());
+    header('Location: options.php?message=error');
 }
+exit;
diff --git a/public/optionsschool.php b/public/optionsschool.php
index 2c707bd..53ab9b4 100644
--- a/public/optionsschool.php
+++ b/public/optionsschool.php
@@ -19,6 +19,7 @@ $conn->close();
 
 $waitingEnabled = ($opt['waitinglist_enabled'] ?? 'N') === 'Y';
 $maxCancel      = $opt['maxbeforetimecancell'] ?? '0';
+$showTeacher    = ($opt['show_teacher'] ?? 'N') === 'Y';
 ?>
 <!doctype html>
 <html lang="it">
@@ -155,6 +156,15 @@ $maxCancel      = $opt['maxbeforetimecancell'] ?? '0';
                                                 <input class="form-check-input" type="checkbox" role="switch" id="waitinglist_enabled" name="waitinglist_enabled" value="Y" <?php echo $waitingEnabled ? 'checked' : ''; ?>>
                                             </div>
                                         </div>
+                                        <div class="option-row">
+                                            <div>
+                                                <div class="option-label">Mostra insegnante nelle classi</div>
+                                                <div class="option-help">Se attiva, nelle card delle classi viene indicato il nome (e la foto) dell'insegnante.</div>
+                                            </div>
+                                            <div class="form-check form-switch">
+                                                <input class="form-check-input" type="checkbox" role="switch" id="show_teacher" name="show_teacher" value="Y" <?php echo $showTeacher ? 'checked' : ''; ?>>
+                                            </div>
+                                        </div>
 
                                         <div class="option-row">
                                             <div>
diff --git a/public/userpanel.php b/public/userpanel.php
index 6883f78..b62e1c7 100644
--- a/public/userpanel.php
+++ b/public/userpanel.php
@@ -59,7 +59,7 @@ $stmtBooked->execute([
 $bookedRows = $stmtBooked->fetchAll();
 
 // Lezioni in attesa di conferma (pending) dell'utente, nel mese visualizzato
-$sqlPending = "SELECT bookingclass.*, service.servicename, service.colorclass, serviceschedule.dateschedule
+$sqlPending = "SELECT bookingclass.*, service.servicename, service.colorclass, service.idteacher, serviceschedule.dateschedule
     FROM bookingclass
     LEFT JOIN service         ON bookingclass.idservice = service.idservice
     LEFT JOIN serviceschedule ON bookingclass.idserviceschedule = serviceschedule.idserviceschedule
@@ -76,7 +76,7 @@ $stmtPending->execute([
 $pendingRows = $stmtPending->fetchAll();
 
 // Lezioni in lista d'attesa (waiting) dell'utente, nel mese visualizzato
-$sqlWaiting = "SELECT bookingclass.*, service.servicename, service.colorclass, service.maxcapacity, serviceschedule.dateschedule
+$sqlWaiting = "SELECT bookingclass.*, service.servicename, service.colorclass, service.maxcapacity, service.idteacher, serviceschedule.dateschedule
     FROM bookingclass
     LEFT JOIN service         ON bookingclass.idservice = service.idservice
     LEFT JOIN serviceschedule ON bookingclass.idserviceschedule = serviceschedule.idserviceschedule
@@ -157,6 +157,18 @@ $pending       = (int) ($rowCounts['pending'] ?? 0);
 
 $toprogram = $totalTickets - $passedRecords - $futureRecords - $pending - $lost;
 
+/* -------------------------------------------------------------------------
+ * 4b) Insegnanti nelle card (solo se attivo nelle Opzioni)
+ * ---------------------------------------------------------------------- */
+$optShow = $pdo->query("SELECT show_teacher FROM `option` LIMIT 1")->fetch();
+$showTeacher = ($optShow['show_teacher'] ?? 'N') === 'Y';
+
+$teachersById = [];
+if ($showTeacher) {
+    foreach ($pdo->query("SELECT idemployee, nameemployee, surnameemployee, photo FROM employee")->fetchAll() as $t) {
+        $teachersById[(int) $t['idemployee']] = $t;
+    }
+}
 /* -------------------------------------------------------------------------
  * 5) Pre-caricamento limiti di riprogrammazione per gli ordini coinvolti
  *    (una sola query invece di una per ogni card, dentro il loop)
@@ -191,6 +203,22 @@ function e($value): string
     return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
 }
 
+function teacherLine(array $row, bool $show, array $teachersById): string
+{
+    if (!$show) return '';
+    $t = $teachersById[(int) ($row['idteacher'] ?? 0)] ?? null;
+    if (!$t) return '';
+
+    $name = trim($t['nameemployee'] . ' ' . $t['surnameemployee']);
+    if (!empty($t['photo'])) {
+        $avatar = '<img class="teacher-avatar-sm" src="assets/images/teachers/' . e($t['photo']) . '" alt="">';
+    } else {
+        $ini = mb_strtoupper(mb_substr($t['nameemployee'], 0, 1) . mb_substr($t['surnameemployee'], 0, 1));
+        $avatar = '<span class="teacher-avatar-sm">' . e($ini) . '</span>';
+    }
+    return '<p class="custom-paragraph teacher-line">' . $avatar . 'Insegnante: <strong>' . e($name) . '</strong></p>';
+}
+
 $italianMonths = [
     "January" => "Gennaio",
     "February" => "Febbraio",
@@ -305,6 +333,33 @@ $italianMonths = [
             margin: 0 0 4px;
         }
 
+        .teacher-line {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            margin: 4px 0 6px;
+        }
+
+        .teacher-line strong {
+            color: #374151;
+            font-weight: 600;
+        }
+
+        .teacher-avatar-sm {
+            flex: 0 0 26px;
+            width: 26px;
+            height: 26px;
+            border-radius: 50%;
+            object-fit: cover;
+            background: #E1D0B8;
+            color: #5a4630;
+            font-size: 11px;
+            font-weight: 800;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+        }
+
         .custom-paragraph {
             color: #6b7280;
             font-size: 14px;
@@ -681,6 +736,7 @@ $italianMonths = [
                                                             <span style="display:inline-block;background:#fff4d6;color:#8a6d00;font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px;margin-left:6px;vertical-align:middle;">In attesa</span>
                                                         </h2>
                                                         <p class="custom-paragraph">Quando: <?php echo e($pWhen); ?></p>
+                                                        <?php echo teacherLine($prow, $showTeacher, $teachersById); ?>
                                                         <p class="custom-paragraph">Luogo: via Valassina 62/B Seregno - Sala Contesto Yoga</p>
                                                     </div>
                                                 </div>
@@ -719,6 +775,7 @@ $italianMonths = [
                                                             <span style="display:inline-block;background:#eee;color:#555;font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px;margin-left:6px;vertical-align:middle;">In coda</span>
                                                         </h2>
                                                         <p class="custom-paragraph">Quando: <?php echo e($wWhen); ?></p>
+                                                        <?php echo teacherLine($wrow, $showTeacher, $teachersById); ?>
                                                         <p class="custom-paragraph">Luogo: via Valassina 62/B Seregno - Sala Contesto Yoga</p>
                                                         <?php if ($wPos > 0) : ?>
                                                             <p class="custom-paragraph" style="font-weight:700;color:#8a6d00;">
@@ -801,6 +858,7 @@ $italianMonths = [
                                                     <div class="custom-event-details" style="border-left-color:<?php echo e($colorclass); ?>">
                                                         <h2 class="custom-heading"><?php echo e($servicename); ?></h2>
                                                         <p class="custom-paragraph">Quando: <?php echo e($newDateFormat); ?></p>
+                                                        <?php echo teacherLine($row, $showTeacher, $teachersById); ?>
                                                         <p class="custom-paragraph">Luogo: via Valassina 62/B Seregno - Sala Contesto Yoga</p>
                                                         <div class="custom-actions">
                                                             <button class="custom-action-button" onclick="addToCalendar(this)" data-eventname="<?php echo e($servicename); ?>" data-eventdate="<?php echo e($newDateFormat); ?>">