main{
      margin: 40px auto;
      max-width: 1200px;
      padding: 0 20px;
    }
    
    body {
      font-family: sans-serif;
      background-color: #f8f8f8;
      color: #333;
      font-size: 16px;
    }

    h1 {
      text-align: center;
      color: #2c3e50;
    }

    .sezione-lista{
      margin-bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 15px;
      border: 1px solid #ddd;
      border-radius: 8px;
    }

    label {
      display: flex;
      gap: 8px;
      padding: 6px 0;
      padding-left: 10px;
    }

    details {
      background-color: #fff;
      border: 1px solid #ccc;
      border-radius: 6px;
      margin: 10px 0;
    }

    summary {
      font-weight: bold;
      cursor: pointer;
      padding: 15px;
    }

    details label {
      padding-left: 20px;
    }

    #selected-list{
      position: static;
      max-height: none;
      margin-top: 20px;
      background-color: #fff;
      border: 2px solid #2c3e50;
      border-radius: 6px;
      padding: 15px;
    }
    
    ul{
      padding-left: 20px;
    }

     .container {
      display: flex;
      gap: 40px;
      /* align-items: flex-start; */
      flex-direction: row;
    } 

    @media /* screen and */ (max-width: 600px){
      .container {
      /* align-items: flex-start; */
      flex-direction: column;
      }
      body{
        font-size: 14px;
      }
      h1, h2{
        font-size: 1.2rem;
      }
      label{
        font-size: 0.95rem;
        padding-left: 6px;
      }
      summary{
        font-size: 1rem;
        padding: 12px;
      }
      button{
        font-size: 14px;
        padding: 6px 12px;
      }
      #custom-input{
        width: 100%;
        margin-bottom: 10px;
      }
    }

    .list label{
      display: block;
      margin-bottom: 10px;  
     } 

    .lista-prodotti {
      flex: 2;
    }

    #selected-list {
      position: fixed;
      top: 70px;
      right: 20px;
      width: 300px;
      max-height: 60vh;
      overflow-y: auto;
      background-color: #fff;
      border: 2px solid #2c3e50;
      border-radius: 8px;
      padding: 15px;
      z-index: 999;
      box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    }

    #output-checkbox li,
    #output-custom li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 6px 4px;
      border-bottom: 1px solid #ccc;
  }

    #output-checkbox li span.nome,
    #output-custom li span.nome {
      flex: 1;
      user-select: none;
  }

    #output-checkbox li .controlli,
    #output-custom li .controlli {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-left: 16px;
  }

    #output-checkbox li .controlli span,
    #output-custom li .controlli span{
      min-width: 24px;
      text-align: center;
      display: inline-block;
      font-weight: bold;
      user-select: none;
    }

    #output-checkbox li .controlli button,
    #output-custom li .controlli button{
      padding: 2px 6px;
      font-size: 16px;
      cursor: pointer;
    }

    input[type="checkbox"]{
      accent-color: green;
      width: 18px;
      height: 18px;
      cursor: pointer;
    }

    .modal{
      position: fixed;
      inset: 0;
      background-color: rgba(0, 0, 0, 0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1001;
    }

    .modal-content{
      background: white;
      padding: 20px;
      border-radius: 10px;
      text-align: center;
    }

    .hidden{
      display: none;
    }

    .btnSi{
      background-color: green;
      color: white;
      border: none;
      padding: 8px 16px;
      border-radius: 4px;
      cursor: pointer;
    }

    .btnNo{
      background-color: red;
      color: white;
      border: none;
      padding: 8px 16px;
      border-radius: 4px;
      cursor: pointer;
    }
    
    input[type="text"]{
      width: 100%;
      padding: 8px;
      box-sizing: border-box;
      margin-bottom: 10px;
    }

    button{
      padding: 10px 16px;
      font-size: 1rem;
      border-radius: 6px;
    }

    .controlli button{
      padding: 2px 6px;
      font-size: 16px;
      border-radius: 4px;
    }

    #bottoneCancella{
      background-color: #c0392b;
      color: white;
      border: none;
      margin-top: 10px;
    }

    html, body{
      max-width: 100%;
      overflow-x: hidden;
    }

    @media (max-width: 480px){
      .sezione-lista{
        padding: 10px;
      }
      #output-checkbox li,
      #output-custom li{
        flex-direction: column;
        align-items: flex-start;
      }
      #output-checkbox li .controlli,
      #output-custom li .controlli{
        margin-left: 0;
        margin-top: 6px;
      }
    }

    #carrello-toggle{
      position: fixed;
      top: 20px;
      right: 20px;
      background-color: #2c3e50;
      color: white;
      border: none;
      padding: 10px 16px;
      border-radius: 8px;
      font-size: 16px;
      z-index: 1000;
      cursor: pointer;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    }

    .hamburger{
      font-size: 30px;
      cursor: pointer;
      padding: 10px;
      position: fixed;
      top: 10px;
      left: 10px;
      z-index: 998;
      color: #333;
    }

    .side-menu{
      position: fixed;
      top: 0;
      left: -250px;
      width: 250px;
      height: 100%;
      background-color: #2c3e50;
      overflow-y: auto;
      transition: left 0.3s ease;
      padding-top: 60px;
      color: white;
      z-index: 999;
    }

    .side-menu.open{
      left: 0;
    }

    .side-menu a#chiudi{
      position: absolute;
      top: 10px;
      right: 20px;
      font-size: 36px;
      text-decoration: none;
      color: white;
    }

    .side-menu h2{
      padding-left: 20px;
    }

    .side-menu ul{
      list-style: none;
      padding: 0 20px;
    }

    .side-menu ul li{
      padding: 10px 0;
      border-bottom: 1px solid #ccc;
      color: white;
    }

    #salvaLista{
      background-color: #28a745;
      color: white;
      border: none;
      padding: 12px 20px;
      font-size: 1.1rem;
      border-radius: 10px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
      cursor: pointer;
      transition: background-color 0.3s;
    }

    #salvaLista:hover{
      background-color: #218838;
    }

    .overlay{
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5); /* sfondo semi-trasparente /
      z-index: 998; / sotto il menu ma sopra il resto */
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .overlay.active, .overlay.lista-attiva {
      opacity: 1;
      visibility: visible;
    }