.gcm-dashboard{max-width:800px;margin:auto;font-family:Arial;}
.gcm-card{background:white;border-radius:10px;padding:16px;margin-bottom:15px;box-shadow:0 2px 8px rgba(0,0,0,0.1);}
.gcm-btn{background:#2ea44f;color:white;border:none;padding:10px 16px;margin-right:10px;border-radius:6px;cursor:pointer;}
.gcm-btn.red{background:#d63638;}