/* ==========================================
   STILI UNIVERSALI NUNZIONEGRAM (Tutti i dispositivi)
   ========================================== */
.users-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: 20px;
}

.user-card {
    display: flex;
    align-items: center;
    background: white;
    width: 100%;
    max-width: 450px;
    margin: 10px auto;
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-decoration: none;
    color: #3E2723;
    transition: transform 0.2s ease;
    box-sizing: border-box; /* Blindato per non uscire dai bordi */
}

.user-card:hover {
    transform: scale(1.02);
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #bc948c;
    margin-right: 20px;
    flex-shrink: 0;
}

.user-name {
    font-size: 1.2rem;
    font-weight: bold;
}

/* ==========================================
    TABLET E DISPOSITIVI MEDI (max 768px)
    ========================================== */
@media (max-width: 768px) {
    .responsive-img { width: 40%; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .container { width: 90%; max-width: none; padding: 25px; }
    .container h2 { font-size: 26px; }
    .container form input, .container form button { font-size: 16px; }
    .table-container table { min-width: 600px; }
    .table-container th, .table-container td { font-size: 15px; padding: 8px; }

    /* Nunzionegram Tablet */
    .user-card { width: 90%; }

    button {
        padding: 10px 20px;
        font-size: 13px;
        width: 150px;
        margin: 5px;
    }

    .button_mobile_footer button {
        padding: 8px 15px;
        font-size: 10px;
        width: 180px;
    }
}

/* ==========================================
    SMARTPHONE E SCHERMI PICCOLI (max 480px)
    ========================================== */
@media (max-width: 480px) {
    .responsive-img { width: 30%; }
    .gallery { grid-template-columns: 1fr; }
    .container { width: 95%; padding: 30px; }
    .container h2 { font-size: 28px; }

    /* Nunzionegram Smartphone: card più compatta e centrata */
    .user-card { 
        width: 95%; 
        padding: 12px 15px; 
        margin: 8px auto; 
    }
    .user-avatar { width: 50px; height: 50px; margin-right: 15px; }
    .user-name { font-size: 1rem; }

    .container form input, .container form button {
        font-size: 16px;
        padding: 15px;
        box-sizing: border-box;
    }

    .table-container table { min-width: 700px; }
    .table-container th, .table-container td { font-size: 14px; padding: 6px; white-space: nowrap; }

    button {
        padding: 8px 15px;
        font-size: 11px;
        width: 100px; 
        margin: 5px;  
        display: inline-block;
    }

    #menuBtn, .nav-btn, .red, .green, #main-header button {
        width: auto !important;
        min-width: 85px !important; 
        height: 38px !important;
        font-size: 13px !important;
        margin: 0 !important;
        padding: 0 8px !important;
        flex-shrink: 0 !important;
    }

    .welcome-container, 
    #main-header div:nth-child(2),
    .welcome-msg {
        display: block !important; 
        flex: 1 !important;
        font-size: 12px !important; 
        text-align: center !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        padding: 0 2px !important;
    }

    #lista-musica details, #lista-musica summary {
        display: block !important;
        width: auto;
        margin: 10px 0;
    }
}

/* ==========================================
    PC E SCHERMI GRANDI (min 769px)
    ========================================== */
@media (min-width: 769px) {
    button { width: 300px; }
}