.fourier-root{--pds-bg:#fafaf8;--pds-surface:#fff;--pds-surface2:#f4f3ef;--pds-border:#e5e3dc;--pds-border-strong:#c8c5ba;--pds-text:#1a1915;--pds-text2:#5a5750;--pds-text3:#9a9690;--pds-accent:#1b4fd8;--pds-accent-light:#eef2ff;--pds-accent-mid:#bfcbf5;--pds-gold:#b45309;--pds-gold-light:#fef3c7;--pds-teal:#0d7377;--pds-teal-light:#ccfbf1;--pds-red:#c0392b;--pds-red-light:#fef2f2;--pds-green:#166534;--pds-green-light:#f0fdf4;--pds-purple:#6d28d9;--pds-purple-light:#f5f3ff;--pds-font-serif:"DM Serif Display",Georgia,serif;--pds-font-sans:"DM Sans",system-ui,sans-serif;--pds-font-mono:"JetBrains Mono",monospace;--pds-radius:12px;--pds-radius-sm:8px;--pds-nav-w:264px;font-family:var(--pds-font-sans);background:var(--pds-bg);color:var(--pds-text);scroll-behavior:smooth;line-height:1.7}.fourier-root input[type=range]{-webkit-appearance:none;background:var(--pds-border);cursor:pointer;border:none;border-radius:2px;outline:none;width:120px;height:4px}.fourier-root input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--pds-accent);cursor:pointer;width:16px;height:16px;box-shadow:0 0 0 3px var(--pds-accent-light);border-radius:50%}.fourier-root input[type=range]::-moz-range-thumb{background:var(--pds-accent);cursor:pointer;width:16px;height:16px;box-shadow:0 0 0 3px var(--pds-accent-light);border:none;border-radius:50%}.fourier-root canvas{border:1px solid var(--pds-border);background:#fafaf8;border-radius:8px;width:100%;display:block}.fourier-root .katex-display{padding:4px 0;overflow-x:auto}.fourier-root .katex{font-size:1em}.pds-sidebar-transition{transition:width .28s cubic-bezier(.4,0,.2,1)}.pds-main-transition{transition:margin-left .28s cubic-bezier(.4,0,.2,1),max-width .28s cubic-bezier(.4,0,.2,1)}@media (max-width:680px){.fourier-root{--pds-nav-w:0px}.pds-sidebar-mobile-hidden{transform:translate(-100%);width:260px!important}.pds-main-mobile-full{max-width:100%!important;margin-left:0!important}}