/* Configurações Globais */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
}

h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.btn-primary {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.instrucoes {
    margin-top: 2rem;
    text-align: left;
    background: #eef2f3;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #555;
}

ul {
    padding-left: 1.2rem;
}