body{
margin:0;
font-family:Arial, sans-serif;
background:#fff5f7;
}

/* APP CONTAINER */
.app{
max-width:420px;
margin:auto;
background:white;
min-height:100vh;
box-shadow:0 0 20px rgba(0,0,0,0.1);
}

/* HEADER */
.header{
background:linear-gradient(45deg,#ff4d88,#ff7aa8);
color:white;
text-align:center;
padding:18px;
font-size:22px;
font-weight:bold;
position:sticky;
top:0;
}

/* CONTENT */
.content{
padding:15px;
padding-bottom:80px;
}

/* CARD */
.card{
background:white;
border-radius:14px;
padding:15px;
margin-bottom:15px;
box-shadow:0 4px 12px rgba(0,0,0,0.08);
}

/* BUTTON */
button{
background:#ff4d88;
border:none;
color:white;
padding:10px 18px;
border-radius:25px;
cursor:pointer;
margin-top:10px;
transition:.3s;
}

button:hover{
background:#e63c73;
transform:scale(1.05);
}

/* BOTTOM NAV */
.bottom-nav{
position:fixed;
bottom:0;
width:100%;
max-width:420px;
background:white;
display:flex;
justify-content:space-around;
padding:12px 0;
box-shadow:0 -3px 10px rgba(0,0,0,0.1);
}

.bottom-nav a{
text-decoration:none;
color:#444;
font-size:14px;
}

.bottom-nav a:hover{
color:#ff4d88;
}