body {
    background-color: #0f172a;
    color: #f8fafc;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.jwt-header { color: #f87171; }
.jwt-payload { color: #c084fc; }
.jwt-signature { color: #38bdf8; }