:root{--color-bg:#000;--color-bg-elevated:#1c1c1e;--color-text:#f5f5f7;--color-text-secondary:#98989d;--color-text-tertiary:#636366;--color-border:hsla(0,0%,100%,.12);--color-border-strong:hsla(0,0%,100%,.2);--color-accent:#0a84ff;--color-accent-hover:#409cff;--color-fill:hsla(0,0%,100%,.08);--color-fill-hover:hsla(0,0%,100%,.14);--color-muted-surface:hsla(0,0%,100%,.05);--color-success-soft:rgba(48,209,88,.22);--color-danger:#ff453a;--radius-lg:16px;--radius-md:12px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(0,0,0,.4),0 2px 12px rgba(0,0,0,.35);--shadow-md:0 8px 40px rgba(0,0,0,.55);--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}html{-webkit-text-size-adjust:100%;color-scheme:dark}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select,textarea{font-family:inherit}