:root{--color-bg:#fff;--color-surface-alt:#f4f2ee;--color-text:#1b1b1b;--color-text-muted:#55514b;--color-link:#0b5a4a;--color-border:#cfcac2;--color-focus:#0b5a4a;--font-display:Georgia, "Times New Roman", serif;--font-body:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--text-sm:1rem;--text-md:1.0625rem;--text-lg:1.25rem;--text-xl:1.5rem;--text-2xl:2rem;--leading-body:1.55;--leading-tight:1.2;--measure:65ch;--radius-md:8px;--tap-min:44px;--content:46rem;--gutter:1rem}*,:before,:after{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:var(--text-md);line-height:var(--leading-body);-webkit-text-size-adjust:100%;margin:0}a{color:var(--color-link);text-underline-offset:.15em}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}img{max-width:100%;height:auto}main{max-width:var(--content);padding:var(--gutter);margin:0 auto}form{gap:.5rem;max-width:26rem;margin:1.5rem 0;display:grid}label{font-weight:600}input:not([type=hidden]){font:inherit;font-size:var(--text-lg);min-height:var(--tap-min);border:2px solid var(--color-text-muted);border-radius:var(--radius-md);padding:.5rem .75rem}button,.button{font:inherit;font-size:var(--text-lg);min-height:var(--tap-min);border-radius:var(--radius-md);background:var(--color-link);color:#fff;text-align:center;cursor:pointer;border:0;padding:.75rem 1rem;font-weight:600;text-decoration:none;display:inline-block}button.quiet{color:var(--color-link);border:2px solid var(--color-link);background:0 0}.problem{background:#fbeceb;border-left:4px solid #a3261b;padding:.5rem .75rem}.muted{color:var(--color-text-muted);font-size:var(--text-sm)}