@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    display: grid;
    grid-template-areas:
        "header header"
        "menu main"
        "footer footer";
    grid-template-columns: 200px 1fr;
    grid-template-rows: 80px 1fr 60px;
    min-height: 100vh;
}

header {
    grid-area: header;
}

.header-navbar {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 30px;
    background-color: #000000;
}

.header-navbar h1 {
    color: #e2e8f0;
}

aside {
    grid-area: menu;
    background-color: #2c405f;
    padding-top: 20px;
}

.nav-links {
    list-style: none;
}

.nav-links li {
    margin-bottom: 5px;
}

.nav-links a {
    display: flex;
    color: #e2e8f0;
    text-decoration: none;
    padding: 12px 20px;
}

.nav-links li:hover {
    background-color: #3b82f6;
}

main {
    grid-area: main;
    background-color: #f1f5f9;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: #1e293b;
    color: white;
}

th,
td {
    font-size: 16px;
    padding: 10px;
    border: 1px solid #ddd;
}

.livros-container {
    max-height: 600px;
    overflow-y: auto;
    background-color: white;
    border-radius: 6px;
}

footer {
    grid-area: footer;
}

.site-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #1e293b;
    color: #e2e8f0;
}

input[type="checkbox"] {
    width: 20px;
    height: auto;
    cursor: pointer;
    accent-color: #000000;
}

.acoes-tabela {
    display: flex;
    justify-content: flex-end;
    padding: 15px;
}

.btn-comprar {
    background-color: #22c55e;
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s ease;
}

.btn-comprar:hover {
    background-color: #16a34a;
}



@media (max-width: 1024px) {

    body {
        grid-template-areas:
            "header"
            "menu"
            "main"
            "footer";

        grid-template-columns: 1fr;
        grid-template-rows: 70px auto 1fr 60px;
    }

    aside {
        padding: 10px 0;
    }

    .nav-links {
        display: flex;
        justify-content: space-around;
        flex-wrap: wrap;
    }

    .nav-links li {
        margin-bottom: 0;
    }

    .nav-links a {
        padding: 10px;
        font-size: 14px;
    }

    main {
        padding: 20px;
    }

    table {
        font-size: 14px;
    }

    .livros-container {
        max-height: none;
        overflow-x: auto;
    }

    .acoes-tabela {
        justify-content: center;
    }

    .btn-comprar {
        width: 100%;
        font-size: 16px;
        padding: 14px;
    }
}

@media (max-width: 600px) {

    .header-navbar {
        padding: 15px;
        justify-content: center;
    }

    .header-navbar h1 {
        font-size: 18px;
    }

    th,
    td {
        padding: 8px;
        font-size: 12px;
    }

    input[type="checkbox"] {
        width: 16px;
    }

}