body{
background:#f5f7fb;
font-family:Segoe UI;
}

/* CONTAINER */

.age-container{

max-width:800px;
margin:40px auto;
background:#fff;
padding:30px;
border-radius:8px;
box-shadow:0 5px 20px rgba(0,0,0,0.1);

}

/* TITLE */

.age-container h2{

font-size:32px;
margin-bottom:10px;

}

/* DESCRIPTION */

.age-description{

color:#666;
margin-bottom:20px;

}

/* CARD */

.age-card{

background:#eef3fb;
padding:20px;
border-radius:6px;

}

.age-input{

margin-bottom:15px;

}

.age-input label{

display:block;
font-weight:600;
margin-bottom:5px;

}

.age-input input{

padding:10px;
margin-right:5px;
border:1px solid #ccc;
border-radius:4px;

}

/* BUTTON */

#calculate_age{

background:#4CAF50;
color:#fff;
padding:12px 25px;
border:none;
font-size:16px;
cursor:pointer;
border-radius:4px;

}

#calculate_age:hover{

background:#3f9142;

}

/* RESULT */

.result-card{

margin-top:25px;
background:#fff;
border:1px solid #ddd;
padding:20px;
border-radius:6px;

}

.result-card h3{

color:#333;

}

.age-main{

font-size:26px;
font-weight:bold;
margin:10px 0;

}

.age-breakdown{

list-style:none;
padding:0;

}

.age-breakdown li{

padding:6px 0;
border-bottom:1px solid #eee;

}

/* INFO */

.age-info{

margin-top:30px;
color:#555;
line-height:1.6;

}

/* MOBILE */

@media(max-width:600px){

.age-input input{

width:100%;
margin-bottom:10px;

}

}