body{
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    background:#061423;
    color:#e6f1ff;
}

.container{
    max-width:1600px;
    margin:0 auto;
    padding:20px;
}

.card{
    background:#0e2236;
    border:1px solid #22374d;
    border-radius:12px;
    padding:18px;
    margin-bottom:18px;
}

h1,h2,h3{
    margin-top:0;
}

.nav{
    margin-bottom:12px;
}

.nav a{
    margin-right:14px;
    color:#9fd8ff;
    text-decoration:none;
    font-weight:bold;
}

.nav a:hover{
    text-decoration:underline;
}

button{
    cursor:pointer;
}

.muted{
    color:#b7c7d9;
}

.conference-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:18px;
}

table{
    width:100%;
    border-collapse:collapse;
}

th,td{
    padding:10px;
    border-bottom:1px solid #27415b;
    text-align:left;
}

th{
    color:#9fd8ff;
}