body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
}

header {
    background-color: #000;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    width: 350px;
    max-width: 90%;
    margin-bottom: 10px;
}

#buscador {
    padding: 10px;
    width: 300px;
    max-width: 90%;
    border: none;
    border-radius: 5px;
    font-size: 16px;
}

#contenedor-autos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 30px;
}

.tarjeta-auto {
    background-color: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.tarjeta-auto:hover {
    transform: scale(1.02);
}

.tarjeta-auto img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tarjeta-auto .contenido {
    padding: 15px;
}

.tarjeta-auto h3 {
    margin: 0 0 10px;
    color: #d00;
}

.tarjeta-auto p {
    margin: 5px 0;
}

.whatsapp-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 15px;
    background-color: #25D366;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.admin-link {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #d00;
    color: white;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.admin-link:hover {
    background-color: #b00;
}

footer {
    background-color: #000;
    color: white;
    padding: 15px;
    text-align: center;
    margin-top: 40px;
}

.footer-contenido {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-nk {
    width: 80px;
    margin-bottom: 8px;
}

footer a {
    color: #d00;
    text-decoration: none;
    font-weight: bold;
}

@media screen and (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }

    #buscador {
        width: 90%;
        margin-top: 10px;
    }

    .tarjeta-auto {
        width: 100%;
    }

    .login,
    .formulario-carga,
    .lista-autos {
        width: 90%;
        margin: 10px auto;
    }

    .logo {
        width: 200px;
    }

    .logo-nk {
        width: 60px;
    }

    footer {
        font-size: 14px;
    }
}