body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #2c3e50;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    width: 100%;
    max-width: 650px;
}

h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

#generarDireccion {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    width: 100%;
    margin-bottom: 1.5rem;
}

#generarDireccion:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

#direccionGenerada {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
}

.campo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 10px;
}

.campo label {
    font-weight: 600;
    min-width: 120px;
    color: #34495e;
}

.copiable {
    flex: 1;
    padding: 8px 12px;
    background: white;
    border: 1px solid #dfe4ea;
    border-radius: 6px;
    word-break: break-word;
}

.copiarBtn {
    background: #27ae60;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.copiarBtn:hover {
    background: #219a52;
}

@media (max-width: 480px) {
    .campo {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .copiable {
        width: 100%;
    }
}