body, html {
    margin: 0;
    padding: 0;
    font-family: Roboto, sans-serif;
    background-color: rgb(0, 255, 136);
}

.container-principal { 
    background-color: black;
    color: rgb(237, 253, 248);
    padding: 1px; 
    width: 100%;   
    box-sizing: border-box;
    text-align: center;   
}

.container-principal h1 {
    border-bottom: 2px solid rgb(253, 247, 247); 
    padding-bottom: 10px;         
    margin-bottom: 10px
}

.container-principal p {
    font-family: 'Trebuchet MS', sans-serif;
}

.container_2 {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1px 0;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.container_2 h1 {
    text-align: justify;
    padding: 10px 20px 5px 20px;
}

.container_2 p {
    text-align: justify;
    padding: 0px 20px 10px 20px;
}    

.recomendaçao {
    max-width: 600px;
    margin: 30px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    display: flex;
    flex-direction: column; 
    align-items: center;
    gap: 10px;    
}

.recomendaçao h2 {
    margin-top: 0;
    font-family: "Trebuchet MS", sans-serif;
}

.opcoes select {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
}

.opcoes button {
    padding: 9px 15px;
    background-color: black;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.opcoes button:hover {
    background-color: #333;
}

#resultado {
    margin-top: 25px;
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 25px;
}

#resultado:not(:empty) {
    min-height: 200px; 
}

.itens {
    display: none;
    max-width: 600px;
    margin: 20px auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.item {
    border-bottom: 1px solid #ddd2d2;
}
.item:last-child {
    border-bottom: none;
}
.item-input {
    display: none;
}
.item-label {
    display: block; 
    padding: 15px 20px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    position: relative; 
    user-select: none;
    transition: background-color 0.3s ease;
}
.item-label:hover {
    background-color: #f9f9f9;
}
.item-label::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%); 
    font-size: 1.5em;
    font-weight: normal;
    color: #555;
    transition: transform 0.3s ease;
}
.item-content {
    max-height: 0;
    overflow: auto; 
    padding: 0 20px;
    background-color: #fdfdfd;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.item-input:checked ~ .item-label::after {
    content: '-';
}

.item-input:checked ~ .item-content {
    max-height: 2000px; 
    padding: 15px 20px;
    transition: max-height 0.4s ease-in, padding 0.4s ease-in;
}


.item-content h3, #resultado h3 { 
    text-align: center;
    font-family: "Trebuchet MS", sans-serif;
    font-weight: bold;
}
.item-content img, #resultado img {
    display: block; 
    margin-left: auto; 
    margin-right: auto;
    width: 70%;
    max-width: 400px; 
    height: auto;
    border-radius: 4px;
}
.item-content blockquote, #resultado blockquote {
  font-size: 1.1em;
  text-align: justify;
  margin: 15px 10% 15px 10%;
  line-height: 1.6;
  font-style: italic;
  color: #333;
}
.formulario {
    max-width: 600px; 
    margin: 30px auto; 
    padding: 20px;
    background-color: #fff; 
    border-radius: 8px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.formulario h2 {
    text-align: center;
    margin-top: 0;
}

.form {
    margin-bottom: 15px;
}

.form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form input, .form textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.form .error-message {
    color: red;
    font-size: 0.9em;
    display: none;
}

.form.error input, .form.error textarea {
    border-color: red;
}

.form.success input, .form.success textarea {
    border-color: green;
}