*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial;
}

body{
background:#0f172a;
display:flex;
justify-content:center;
align-items:center;
height:100vh;
color:#fff;
}

.container{
background:#1e293b;
padding:30px;
border-radius:12px;
width:320px;
text-align:center;
}

h2{
margin-bottom:20px;
}

input{
width:100%;
padding:10px;
margin-bottom:10px;
border:none;
border-radius:6px;
}

.time-slots{
display:flex;
flex-wrap:wrap;
gap:8px;
margin-bottom:15px;
}

.slot{
flex:1 1 45%;
padding:8px;
border:none;
border-radius:6px;
background:#334155;
color:white;
cursor:pointer;
}

.slot.active{
background:#2563eb;
}

#scheduleBtn{
width:100%;
padding:10px;
border:none;
background:#22c55e;
color:white;
border-radius:6px;
cursor:pointer;
}

#scheduleBtn:hover{
background:#16a34a;
}

#result{
margin-top:15px;
font-size:14px;
}