body {
    font-family: 'inter', 'segoe ui', sans-serif;
    background-color: #0d1117; 
    color: #c9d1d9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
}

.barra-navegacion {
    background-color: #161b22;
    padding: 20px;
    border-bottom: 1px solid #30363d;
    text-align: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: #58a6ff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.principal {
    flex: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 10px;
}

.tarjeta {
    background-color: #161b22;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #30363d;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center; 
    width: 100%;
    max-width: 380px;
}

h1 {
    color: #ffffff;
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

#bandera-imagen {
    width: 70px;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    margin-bottom: 25px;
}

.dato-grupo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
    width: 100%;
}

.dato-grupo:last-child {
    margin-bottom: 0;
}

.etiqueta {
    font-size: 0.8rem;
    color: #8b949e;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.valor {
    font-size: 1.2rem;
    color: #7aa2f7; 
    font-weight: bold;
    text-shadow: 0 0 10px rgba(122, 162, 247, 0.3);
    text-align: center;
}

.pie-pagina {
    background-color: #161b22;
    padding: 15px;
    text-align: center;
    border-top: 1px solid #30363d;
    font-size: 0.9rem;
    color: #8b949e;
}