body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #1e3a8a; /* azul escuro */
    color: white;
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    text-align: left;
    margin: 0;
}

section {
    padding: 60px 30px;
    max-width: 1000px;
    margin: 30px auto;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    border-radius: 8px;
}

h2, h3 {
    color: #1e3a8a;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    background-color: #2563eb;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #1d4ed8;
}

ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
    margin-top: 30px;
}

input, textarea, button {
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

button {
    background-color: #2563eb;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #1d4ed8;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    overflow-x: auto;
    display: block;
}

th, td {
    border: 1px solid #ccc;
    padding: 12px;
    text-align: center;
    font-size: 0.95rem;
}

footer {
    background-color: #1e3a8a;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 60px;
    font-size: 0.95rem;
}

/* Responsividade para telas menores */
@media (max-width: 720px) {
    header h1 {
        font-size: 1.6rem;
    }

    section {
        padding: 30px 20px;
        margin: 20px 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 1rem;
    }

    table {
        font-size: 0.9rem;
        display: block;
        overflow-x: auto;
    }

    form {
        padding: 0 10px;
    }

    input, textarea, button {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.4rem;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 1rem;
    }

    section {
        padding: 20px 15px;
        margin: 10px;
    }

    table {
        font-size: 0.85rem;
    }
}

/* Posicionamento do h1 no canto esquerdo em telas desktop */
@media (min-width: 669px) {
    header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
    }
}