body{
    background-color: #121212;
    color: #E0E0E0;
}
header.principal {
    background-color: #1E1E1E;
    color: #FFFFFF; 
    padding: 20px;
    margin-top: 0; 
    text-align: center;
    margin-bottom: 50px; 
}
div.Container {
    background-color: #414040;
    color: #E0E0E0; 
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5); 
    width: 300px;
    border-radius: 12px; 
    padding-bottom: 20px; 
    overflow: hidden;
}
img{
    display: block;
    margin: 0 auto; 
    width: 60%; 
    height: auto;
    border-radius: 8px;
}
div.info-livro{
    display: flex;
    flex-direction: column;
    align-items: center;
}
div.botoes-info{
    justify-content: center;
    padding: 10px;
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

div.botoes-info button {
    background-color: #6200EA;
    color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
    border: none;
    padding: 8px 16px;
    cursor: pointer;
}
button.adicionar{
    background-color: #6200EA;
    color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
    border: none;
    padding: 8px 16px;
    cursor: pointer;
}
div.estante-mangas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));   /* cria colunas do  e quebra a linha sozinho nao esquecer */
    gap: 10px; 
    padding: 20px;
    max-width: 1200px; 
    margin: 0 auto;
    justify-items:left;
}
.rodape{
    margin-top: 0 auto;
    background-color: #1E1E1E;
    color: #FFFFFF;
    padding: 20px;
    margin: 20px;
    text-align: center;
}

.modal-overlay {
    display: none;
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8); 
    z-index: 1000; 
    
    justify-content: center;
    align-items: center;
}

.modal-conteudo {
    background-color: #1E1E1E; 
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.8);
    position: relative;
}

.fechar-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
}

.fechar-modal:hover {
    color: #6200EA;
}

.modal-conteudo label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
}

.modal-conteudo input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #333;
    color: white;
    box-sizing: border-box;
}

button.salvar {
    width: 100%;
    margin-top: 25px;
    background-color: #6200EA;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}