:root {
    --bg: antiquewhite;
    --accent: rgb(176, 4, 4);
    --accent-dark: rgb(120, 3, 3);
    --card: #fff3d9;
    --muted: #000000aa;
    --max-w: 1000px;
}

html,body {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    background: var(--bg);
}

.site-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 2fr 1fr;
    width: 100%;
    height: 150px;
    background-color: var(--accent);
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.site-header h1 {
    font-family: "Archivo Black", sans-serif;
    grid-row: 2;
    grid-column: 1/-1;
    margin: 0;
    font-size: 2rem;
    color: #f5f7fa;
}

nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    grid-row: 3;
    grid-column: 1/-1;
    background-color: antiquewhite;
    border-bottom: 4px solid var(--accent);
    height: 34px;
}

nav a {
    text-decoration: none;
}

nav a p {
    font-family: "Archivo Black", sans-serif;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0;
}

a {
    font-family: "Archivo Black", sans-serif;
    text-decoration: none;
    text-transform: uppercase;
    color: rgb(176, 4, 4);
}

main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: auto;
    flex-grow: 1;
}

#mainHome {
    height: 100%;
}

#mensagens {
    display: none;
}

#mensagemTitulo, #mensagemIsbn, #mensagemAno{
    grid-column: 1/-1;
    display: none;
    color: red;
    justify-content: center;
    align-items: center;
}

h1 {
    font-family: "Archivo Black", sans-serif;
    grid-row: 2;
    grid-column: 1/-1;
    font-size: 200%;
    color: aliceblue;
}

form {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 10px;
    min-height: 320px;
    height: auto;
    width: 40%;
    background-color: #fff3d9;
    border: 2px solid rgba(0, 0, 0, 0.12);
    border-radius: 15px;
    padding: 20px;
    margin: 30px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

form p {
    grid-column: 1 / -1; 
    margin: 0;
    font-size: 12px;
    color: red;
    text-transform: uppercase;
}

label {
    display: flex;
    align-items: center;
}

input {
    height: 30px;
    border: 1px solid rgb(69, 68, 68);
    border-radius: 5px;
}

#caixaParaBotao {
    display: flex;
    justify-content: center;
    align-items: center;
    grid-column: 1 / -1;
}

button {
    font-family: "Archivo Black", sans-serif;
    width: 30%;
    height: 50px;
    background-color: rgb(176, 4, 4);
    color: rgb(216, 219, 222);
    text-transform: uppercase;
    border: 2px solid rgb(0, 0, 0);
    margin: 20px;
    border-radius: 10px;
    font-size: 16px;
}

button:hover {
    background-color: rgb(120, 3, 3);
}

.rodape {
    margin-top: 20px;
    text-align: center;
    color: #333;
    padding: 12px 0;
}


/* --------------------------------------------------------------------------------------------- */

#catalogo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40%;
    height: auto;
    padding: 30px;
    margin: 25px;
    border-radius: 30px;
    background-color: rgb(176, 4, 4);
}

#catalogoMensagem {
    font-family: "Archivo Black", sans-serif;
    justify-content: center; /* Quando for mudado no JS*/
    align-items: center; /* Quando for mudado no JS*/
    text-align: center;
    font-size: 200%;
    color: aliceblue;
    text-transform: uppercase;
    display: block;
}

#catalogoMain {
    height: auto;
    flex-grow: 1;
}

#catalogo table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-family: Arial, sans-serif;
}

#catalogo th {
    border:1px solid;
    background-color: rgb(176, 4, 4);;
    color: white;
    padding: 10px;
    text-align: left;
}

#catalogo td {
    border: 1px solid #ddd;
    padding: 8px;
}

/* Linhas pares */
#catalogo tr:nth-child(even) {
    background-color: #f2f2f2;
}

#catalogo tr:hover {
  background-color: #ddd;
}

.input-escondido {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.botao-personalizado {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30%;
    height: 50px;
    margin: 5px;
    font-family: "Archivo Black", sans-serif;
    text-transform: uppercase;
    border: 2px solid black;
    border-radius: 10px;
    color: rgb(216, 219, 222);;
    background-color: rgb(176, 4, 4);
    font-size: 16px;

}

.botao-personalizado:hover {
    background-color: rgb(120, 3, 3);
}

#caixaLabel{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    grid-column: 1/-1;
}


/* Responsividade */
@media (max-width: 1000px) {
    .site-header {
        height: 120px; 
    }
    .site-header h1 {
        font-size: 1.5rem;
    }


    form {
        width: 90%; 
        grid-template-columns: 1fr;
        padding: 15px;
    }
    
    form label {
        grid-column: 1 / -1;
    }
    form input {
        width: 100%;
        box-sizing: border-box;
    }

    button {
        width: 50%;
        font-size: 14px;
    }

    .botao-personalizado {
        width: 50%;
    }

    #catalogo {
        width: 95%;
        padding: 15px 5px;
        margin: 15px auto;
    }
    
    #catalogo table, 
    #catalogo th, 
    #catalogo td {
        font-size: 12px;
    }
    
    #catalogo table {
        display: block;
        overflow-x: auto; 
        white-space: nowrap;
    }
}