:root{
  --bg:#F3F6FB; --surface:#fff; --alt:#F7F9FD; --border:#E4E9F2;
  --text:#1B2A4A; --muted:#7A8AA8; --green:#4E9A2F; --greenA:#8cc046;
  --red:#D64545; --navy:#1B2A4A; --blue:#3F6FB0;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--blue)}
.muted{color:var(--muted)}
.err{background:#FBE9E9;color:var(--red);padding:10px;border-radius:8px;font-size:14px}
.ok{background:#EBF4DF;color:var(--green);padding:10px;border-radius:8px;font-size:14px}

/* Auth */
.auth-body{display:grid;place-items:center;min-height:100vh}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:30px;width:340px;box-shadow:0 4px 24px rgba(27,42,74,.06)}
.auth-card h2{margin:6px 0 18px;font-size:20px}
.auth-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}
.auth-card input{width:100%;margin-top:5px;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700}
.brand b{color:var(--greenA);font-weight:700}
.brand-bar{width:9px;height:22px;background:var(--greenA);border-radius:3px;display:inline-block}

/* Buttons */
.btn-primary{background:var(--greenA);color:#173a05;border:0;border-radius:9px;padding:10px 18px;font-weight:700;font-size:14px;cursor:pointer;width:100%}
.btn-sm{background:var(--greenA);color:#173a05;border:0;border-radius:8px;padding:8px 14px;font-weight:700;font-size:13px;cursor:pointer;width:auto}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font-weight:600;font-size:13px;cursor:pointer}
.icon-btn{background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:14px;padding:2px 6px}

/* Topbar */
.topbar{background:var(--navy);color:#fff;padding:10px 18px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.topbar .brand b{color:var(--greenA)}
.nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:8px}
.nav button{background:transparent;color:#B9C4DA;border:1px solid transparent;padding:6px 12px;border-radius:8px;font-size:13px;cursor:pointer;font-weight:600}
.nav button.active{background:rgba(140,192,70,.22);color:#fff;border-color:var(--greenA)}
.top-right{margin-left:auto;display:flex;gap:8px;align-items:center}
.top-right select,.top-right .pill{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:6px 10px;font-size:12.5px;cursor:pointer}

.wrap{max-width:1180px;margin:0 auto;padding:18px 16px 70px}
.section{display:none}
.section.active{display:block}

/* Cards & stats */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(27,42,74,.04)}
.card+.card{margin-top:14px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px}
.card-head h3{font-size:14px;font-weight:700;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:12px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.stat .lab{color:var(--muted);font-size:12px;margin-bottom:6px}
.stat .val{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.stat .sub{color:var(--muted);font-size:11px;margin-top:4px}
.pos{color:var(--green)} .neg{color:var(--red)}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th{color:var(--muted);font-size:11px;text-align:left;padding:0 10px 8px;font-weight:600}
td{padding:9px 10px;border-top:1px solid var(--border);vertical-align:middle}
.r{text-align:right}
.badge{padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.badge.win{color:var(--green);background:#EBF4DF}
.badge.loss{color:var(--red);background:#FBE9E9}

/* Calendar */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .dow{text-align:center;color:var(--muted);font-size:10px;font-weight:600;padding-bottom:4px}
.cal .cell{border:1px solid var(--border);border-radius:6px;min-height:50px;padding:4px 5px;display:flex;flex-direction:column;justify-content:space-between}
.cal .cell .d{font-size:10px;color:var(--muted)}
.cal .cell .p{font-size:11px;font-weight:700}

/* Day cards */
.day{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.day .net{font-weight:700}
.day .metrics{margin-left:auto;display:flex;gap:22px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}

/* Breakdown */
.bd-head,.bd-row{display:grid;grid-template-columns:1.5fr .6fr .6fr 1fr;align-items:center}
.bd-head{font-size:11px;color:var(--muted);padding:0 4px 8px;border-bottom:1px solid var(--border)}
.bd-row{font-size:13px;padding:9px 4px;border-bottom:1px solid var(--alt)}

/* Report grid */
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr))}
.metrics-grid .m{padding:12px 14px;border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
.metrics-grid .m .lab{color:var(--muted);font-size:11.5px;margin-bottom:4px}
.metrics-grid .m .val{font-weight:700;font-size:16px}

/* Inputs */
.field{display:block;margin-top:12px}
.field span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
input,select,textarea{font-family:inherit}
.inp{width:100%;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px 11px;font-size:14px}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(27,42,74,.35);display:none;place-items:center;padding:16px;z-index:50}
.modal-bg.open{display:grid}
.modal{background:var(--surface);border-radius:16px;padding:22px;width:100%;max-width:520px;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 16px;font-size:17px}
.row-end{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}

.empty{display:grid;place-items:center;min-height:90px;color:var(--muted);font-size:13px;text-align:center;padding:16px}
.chart-box{height:230px;position:relative}
iframe.tv{width:100%;height:460px;border:0;display:block;border-radius:10px}

@media(max-width:820px){.grid2{grid-template-columns:1fr}}
<!DOCTYPE html>
<html lang="it">
<head>
<meta charset="utf-8">
<title>Checkout – Studentebox</title>
<meta name="viewport" content="width=device-width, initial-scale=1">

<style>
body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#f4f6f8;
}
.checkout-box{
    max-width:620px;
    margin:70px auto;
    background:#fff;
    padding:35px;
    border-radius:14px;
    box-shadow:0 6px 18px rgba(0,0,0,.08);
}
h1{
    margin-top:0;
    color:#003399;
    font-size:30px;
}
.price{
    font-size:22px;
    margin:15px 0 25px;
}
.section{
    padding:22px;
    border-radius:12px;
    margin-bottom:30px;
}
.paypal{
    background:#f7f9ff;
    border-left:6px solid #003399;
}
.bank{
    background:#fff7ea;
    border-left:6px solid #b40000;
}
.section h3{
    margin-top:0;
}
</style>
</head>

<body>

<div class="checkout-box">

    <h1>Abbonamento Studentebox – Inglese</h1>

    <div class="price">
        <strong>Prezzo:</strong> € 100,00    </div>

    <!-- PAYPAL -->
    <div class="section paypal">
        <h3>💳 Pagamento immediato</h3>
        <p>
            Paga subito in modo sicuro con PayPal e ottieni
            <strong>accesso immediato al corso</strong>.
        </p>

        <!-- PAYPAL BUTTON -->
        <div id="paypal-container-QYZENXA5PFE26"></div>
    </div>

    <!-- BONIFICO -->
    <div class="section bank">
        <h3>🏦 Pagamento con bonifico</h3>
        <p>
            Il pagamento tramite <strong>bonifico bancario</strong> è disponibile
            <strong>solo su richiesta di preventivo</strong>.
        </p>
        <p>
            Utilizza il <strong>box di richiesta informazioni</strong>
            presente nella pagina per ricevere un preventivo personalizzato
            con tutti i dati di pagamento.
        </p>
    </div>

</div>

<!-- PAYPAL SDK -->
<script src="https://www.paypal.com/sdk/js?client-id=BAAkQlLhKgp_G6yKGTRUhkjnVqUcvd-ywxo0BWgVmSLhTvUlRFAvphcB2zzUAxnQEAt26ye-n9RW-o3N1U&components=hosted-buttons&disable-funding=venmo&currency=EUR"></script>

<script>
paypal.HostedButtons({
    hostedButtonId: "QYZENXA5PFE26",
}).render("#paypal-container-QYZENXA5PFE26");
</script>

</body>
</html>