:root{--bg:#fff;--bg-alt:#f4f5f7;--bg-hover:#e9ebef;--text:#1c1f26;--text-muted:#6b7280;--border:#d9dce2;--link:#1d4ed8;--accent:#2b2f3a;--accent-text:#fff;--error-bg:#fdecec;--error-text:#a12622;--error-border:#f3c2bf;--code-bg:#f0f1f4;--font:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}@media (prefers-color-scheme:dark){:root{--bg:#15171c;--bg-alt:#1d2026;--bg-hover:#272b33;--text:#e6e8ec;--text-muted:#9aa1ad;--border:#2f343d;--link:#8ab4f8;--accent:#e6e8ec;--accent-text:#15171c;--error-bg:#3a1f1d;--error-text:#f5a9a3;--error-border:#6a2f2a;--code-bg:#1f2229}}*{box-sizing:border-box}html{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%;font-size:16px;line-height:1.55}body{margin:0}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.page{max-width:46rem;margin:0 auto;padding:2rem 1rem 4rem}.page h1{margin:0 0 .75rem;font-size:1.7rem;line-height:1.25}.mono{font-family:var(--mono);font-size:.9em}.muted{color:var(--text-muted)}.small{font-size:.85rem}.label{margin:.75rem 0 .25rem;font-size:.9rem;font-weight:600;display:block}.input{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.45rem .6rem}.input:focus{outline:2px solid var(--link);outline-offset:1px}.btn{font:inherit;color:var(--text);background:var(--bg-alt);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:.4rem .9rem;font-size:.95rem;text-decoration:none;display:inline-block}.btn:hover{background:var(--bg-hover);text-decoration:none}.btn-primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.btn-primary:hover{opacity:.9;background:var(--accent)}.btn[disabled]{opacity:.6;cursor:default}.error{background:var(--error-bg);color:var(--error-text);border:1px solid var(--error-border);border-radius:6px;margin:.75rem 0 0;padding:.5rem .75rem}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0;font-size:.8rem}.card{border:1px solid var(--border);background:var(--bg-alt);border-radius:10px;padding:1.5rem}.copy-row{gap:.5rem;margin:.5rem 0;display:flex}.copy-row .input{flex:1;min-width:0}.setting{margin:1rem 0 1.5rem}.setting h3{margin:0 0 .25rem;font-size:1.05rem}.setting h3 .mono,.setting h3 .small{margin-left:.4rem;font-weight:400}.setting p{margin:.25rem 0}.label-inline{color:var(--text-muted);flex:none;align-self:center}.narrow-wrap{place-items:center;min-height:70vh;padding:1rem;display:grid}.narrow{gap:.75rem;width:100%;max-width:24rem;display:grid}.narrow h1{margin:0 0 .5rem}