:root{color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}body{margin:0;background:Canvas;color:CanvasText}.shell{max-width:34rem;margin:0 auto;padding:3rem 1rem}h1{font-size:1.5rem;margin:0 0 .5rem}.muted{opacity:.7}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.button{display:inline-block;padding:.55rem 1.1rem;border-radius:6px;background:CanvasText;color:Canvas;text-decoration:none;font-weight:600}.button:hover{opacity:.85}.card{border:1px solid color-mix(in srgb,CanvasText 18%,transparent);border-radius:10px;padding:1rem 1.15rem;margin:1.5rem 0}.card h2{font-size:1rem;margin:0 0 .75rem}.card label{display:block;margin-bottom:.75rem;font-size:.85rem;opacity:.8}.card input{display:block;width:100%;box-sizing:border-box;margin-top:.25rem;padding:.5rem .6rem;font:inherit;color:CanvasText;background:Canvas;border:1px solid color-mix(in srgb,CanvasText 28%,transparent);border-radius:6px}.card button{font:inherit;cursor:pointer;border:none}.error{color:#d33}