body {
    font-family: 'Open Sans', sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 20px;
}
.brex-container {
    max-width: 500px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
h1 {
    color: #1B4D2E;
    text-align: center;
}
.campo {
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
input, select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
}
button {
    background: #1B4D2E;
    color: white;
    border: none;
    padding: 12px 20px;
    width: 100%;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
}
button:hover {
    background: #2E8B57;
}
.alerta {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 8px;
}
.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.exito {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
a {
    color: #1B4D2E;
}