:root{--app-header-height:48px;--arena-bg-base:#0A0A0A;--arena-bg-surface:#111111;--arena-bg-elevated:#1A1A1A;--arena-text-primary:#FFFFFF;--arena-text-secondary:#CCCCCC;--arena-text-muted:#888888;--arena-border-default:#222222;--arena-border-strong:#333333;--arena-accent:#A3E635;--arena-accent-hover:#BEF264;--arena-success:#4ADE80;--arena-warning:#FBBF24;--arena-error:#F87171;--arena-info:#60A5FA}body,html{background-color:var(--arena-bg-base);color:var(--arena-text-primary)}.awsui-dark-mode{color-scheme:dark}