/* ========================================
   CREDENTIALS SYSTEM STYLES (Aggiornato)
   ======================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px; 
    color: #333;
}

.form-container {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 700px; 
}

.form-container.login {
    max-width: 400px;
}

h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #000000; 
    font-size: 24px;
}

/* --- STILE PER I MESSAGGI DI ERRORE --- */
.error-msg {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
    grid-column: span 2; 
    width: 100%;
}

/* Sviluppo orizzontale tramite CSS Grid per il PC */
form {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 15px 20px; 
}

.input-group {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.full-width {
    grid-column: span 2;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
    text-align: left;
}

/* FORZA TUTTE LE CASELLE A ESSERE IDENTICHE */
input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px; /* 16px è fondamentale su iOS per evitare lo zoom automatico */
    background-color: #fff;
    transition: border-color 0.3s, box-shadow 0.3s;
    appearance: none; /* Rimuove gli stili strani di default di Safari/Chrome */
    -webkit-appearance: none;
}

input:focus, select:focus {
    outline: none;
    border-color: #000000; 
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

button {
    grid-column: span 2; 
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

button:hover {
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
}

.city-input {
    text-transform: capitalize;
}

/* ========================================
   RESPONSIVE DESIGN (Per Smartphone)
   ======================================== */
@media (max-width: 600px) {
    .form-container {
        padding: 25px 20px; 
        margin: 10px auto;
    }

    form {
        /* Il vero trucco: sui telefoni uccidiamo la Grid e passiamo a Flexbox in colonna. 
           In questo modo è matematicamente impossibile che le caselle si spiaccichino! */
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .full-width, button, .error-msg {
        grid-column: span 1; 
    }
}