/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f4f6f8;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

/* Container central */
.container {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 25px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Títulos */
h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

/* Formulários */
form label {
    font-weight: bold;
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form textarea,
form select {
    width: 100%;
    padding: 10px 12px;
    margin-top: 5px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    background-color: #3498db;
    color: #fff;
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #2980b9;
}

/* Links como botões */
a button {
    text-decoration: none;
}

/* Tabelas */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    padding: 12px 10px;
    text-align: left;
    border: 1px solid #ddd;
}

table th {
    background-color: #3498db;
    color: white;
}

table tr:nth-child(even) {
    background-color: #f2f2f2;
}

table button {
    padding: 5px 10px;
    font-size: 14px;
}

/* Mensagens */
p {
    padding: 10px;
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
    border-radius: 5px;
    margin-bottom: 20px;
}

/* Botão voltar */
a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsivo */
@media screen and (max-width: 600px) {
    .container {
        margin: 20px;
        padding: 20px;
    }

    table th, table td {
        padding: 8px 6px;
    }

    form input, form textarea, form select {
        padding: 8px;
    }

    form button {
        width: 100%;
    }
}