:root{--bg:#0f1724;--card:#0b1220;--accent:#5b6cff;--muted:#9aa4b2;color-scheme:dark}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,'Helvetica Neue',Arial;background:var(--bg);color:#e6eef6}
.top{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:linear-gradient(90deg,rgba(255,255,255,0.02),transparent)}
.top nav a{color:var(--muted);margin-left:12px;text-decoration:none}
.center{height:80vh;display:flex;align-items:center;justify-content:center}
.card{background:var(--card);padding:20px;border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,0.6);max-width:420px}
.button{display:inline-block;background:var(--accent);color:white;padding:8px 14px;border-radius:8px;text-decoration:none}
main{padding:20px}
#roster-list li,#events-list li{padding:8px;border-bottom:1px solid rgba(255,255,255,0.03)}