/* Reseta estilos para uma base consistente */
body, h1, h2, h3, p, ul, ol, li, a, button {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
}

/* Estilo de container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Cabeçalho */
header {
    background-color: #007bff;
    color: #fff;
    padding: 15px 20px;
    text-align: center;
}

header h1 {
    font-size: 24px;
}

/* Menu de navegação */
nav {
    background-color: #343a40;
    padding: 10px 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-right: 15px;
    font-weight: bold;
}

nav a:hover {
    color: #f8f9fa;
}

/* Estilos para tabelas */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: #fff;
}

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

table th {
    background-color: #007bff;
    color: #fff;
}

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

/* Botões */
button, .btn {
    display: inline-block;
    padding: 10px 15px;
    margin: 5px;
    font-size: 14px;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}

button:hover, .btn:hover {
    background-color: #0056b3;
}

.btn-danger {
    background-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-success {
    background-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
}

/* Formulários */
form {
    margin: 20px 0;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="date"],
form select,
form textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

form textarea {
    resize: vertical;
}

form input[type="checkbox"] {
    margin-right: 10px;
}

form button[type="submit"] {
    width: auto;
}

/* Mensagens de alerta */
.alert {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 5px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Estilo responsivo */
@media (max-width: 768px) {
    header h1 {
        font-size: 20px;
    }

    nav a {
        display: block;
        margin-bottom: 10px;
    }

    .container {
        padding: 10px;
    }

    table th, table td {
        font-size: 14px;
    }
}