#vale_0 {
      max-width: 1000px;   /* ocupa hasta 1000px pero se adapta */
      width: 100%;         /* ocupa todo el ancho disponible */
      margin: auto;
      font-family: Arial, sans-serif;
      border: 1px solid #ccc;
      padding: 20px;
      background: #f9f9f9;
      box-sizing: border-box;
    }
    #vale_0 header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap; /* permite salto en pantallas pequeñas */
      margin-bottom: 10px;
      gap: 10px;
    }
    #vale_0 .empresa {
      text-align: center;
      flex: 1;
      color: #f07f20;
      font-weight: bold;
      font-size: clamp(12px, 2vw, 18px); /* responsive */
    }
    #vale_0 .vale_num {
      text-align: right;
      font-weight: bold;
      color: red;
      font-size: clamp(12px, 2vw, 16px);
    }
    #vale_0 table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 10px;
      font-size: clamp(11px, 1.6vw, 14px);
    }
    #vale_0 table td, #vale_0 table th {
      border: 1px solid #000;
      padding: 5px;
      word-break: break-word; /* evita desbordes */
    }
    #vale_0 .detalle_header {
      background: #e6e6e6;
      font-weight: bold;
      text-align: center;
    }
    #vale_0 .total_row td {
      font-weight: bold;
      background: yellow;
      text-align: right;
    }
    #vale_0 .firmas {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      margin-top: 40px;
      font-size: clamp(11px, 1.6vw, 14px);
      gap: 20px;
    }
    #vale_0 .firmas div {
      flex: 1;
      min-width: 200px;
      text-align: center;
    }
    #vale_0 .firmas div hr {
      margin-top: 40px;
    }
    #vale_0 img {
      max-width: 120px;
      height: auto;
    }