body{
background:#0a0a0a;
color:white;
font-family:Arial;
text-align:center;
}

h1{
color:#00ffcc;
margin-top:20px;
}

.dashboard{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:20px;
padding:20px;
}

.card{
background:#111;
border:1px solid #00ffcc;
padding:20px;
border-radius:10px;
box-shadow:0 0 10px #00ffcc;
}

.critical{
color:red;
font-weight:bold;
}

.ecg-container{
width:80%;
height:120px;
margin:auto;
background:black;
border:2px solid #00ffcc;
overflow:hidden;
}

#ecg-line{
width:100%;
height:2px;
background:#00ffcc;
position:relative;
animation:heartbeat 1s infinite;
}

@keyframes heartbeat{
0%{top:60px}
25%{top:20px}
50%{top:80px}
75%{top:30px}
100%{top:60px}
}

.alerts{
width:80%;
margin:auto;
background:#111;
padding:10px;
border:1px solid #00ffcc;
margin-top:20px;
}

.alerts p{
border-bottom:1px solid #333;
padding:5px;
}