:root{--bg:#fff;--bg-alt:#f4f6f5;--bg-card:#fff;--text:#14181a;--text-muted:#4b5563;--border:#d7dee1;--accent:#0f6a4c;--accent-contrast:#fff;--focus:#1d4ed8;--danger:#b3261e;--code-bg:#eef1f0;--shadow:0 1px 2px #14181a0f, 0 1px 12px #14181a0d;--radius:10px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--w-page:1120px;--measure:65ch;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--step-0:1rem;--step-1:1.15rem;--step-2:clamp(1.3rem, 1.15rem + .5vw, 1.5rem);--step-3:clamp(1.7rem, 1.35rem + 1.5vw, 2.1rem);--step-4:clamp(1.9rem, 1.4rem + 2.2vw, 2.6rem)}@media (prefers-color-scheme:dark){:root{--bg:#10141a;--bg-alt:#171d24;--bg-card:#161c22;--text:#eef1f3;--text-muted:#aab3ba;--border:#2b333b;--accent:#35b78a;--accent-contrast:#06110c;--focus:#6ea8fe;--danger:#f85149;--code-bg:#1d242b;--shadow:0 1px 2px #0006, 0 1px 12px #0000004d}}*,:before,:after{box-sizing:border-box}html{color-scheme:light dark}[hidden]{display:none!important}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}img{max-width:100%;display:block}a{color:var(--accent)}h1,h2,h3,h4{text-wrap:balance;font-weight:700;line-height:1.2}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}.wrap{max-width:var(--w-page);padding:0 var(--space-5);margin:0 auto}.stack{gap:var(--stack-gap,var(--space-5));flex-direction:column;display:flex}.measure{max-width:var(--measure)}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{background:var(--accent);color:var(--accent-contrast);z-index:100;border-radius:6px;padding:.6rem 1rem;transition:top .15s;position:absolute;top:-3rem;left:1rem}.skip-link:focus{top:1rem}.site-header{border-bottom:1px solid var(--border)}.site-header .wrap{padding-top:var(--space-4);padding-bottom:var(--space-4);justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:nowrap;display:flex}@media (width<=480px){.wrap{padding-left:var(--space-4);padding-right:var(--space-4)}}.brand-mark{color:var(--text);flex-shrink:0;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:800;text-decoration:none;display:inline-flex}@media (width<=480px){.brand-mark{gap:.35rem;font-size:1rem}}.brand-mark:hover{color:var(--accent)}.brand-mark .brand-glyph{background:var(--accent);width:28px;height:28px;color:var(--accent-contrast);font-family:var(--font-mono);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;font-weight:700;display:inline-flex}@media (width<=480px){.brand-mark .brand-glyph{width:24px;height:24px;font-size:.85rem}}.site-nav{align-items:center;column-gap:var(--space-5);white-space:nowrap;flex-wrap:nowrap;min-width:0;font-size:.95rem;display:flex}@media (width<=480px){.site-nav{column-gap:var(--space-2);font-size:.72rem}}.site-nav a{min-height:44px;color:var(--text-muted);align-items:center;text-decoration:none;display:inline-flex}.site-nav a:hover{color:var(--accent);text-decoration:underline}.site-footer{border-top:1px solid var(--border);margin-top:var(--space-8);color:var(--text-muted);font-size:.9rem}.site-footer .wrap{padding-top:var(--space-6);padding-bottom:var(--space-7)}.footer-grid{gap:var(--space-6);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}@media (width<=780px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=480px){.footer-grid{grid-template-columns:1fr}}.footer-col-title{margin:0 0 var(--space-3);text-transform:uppercase;letter-spacing:.05em;color:var(--text);font-size:.78rem;font-weight:700}.footer-col nav{gap:var(--space-1);flex-direction:column;display:flex}.footer-col nav a{align-items:center;min-height:32px;display:inline-flex}.footer-col p{margin:0 0 var(--space-2)}.footer-col p:last-child{margin-bottom:0}.site-footer a{color:var(--text-muted)}.btn{cursor:pointer;touch-action:manipulation;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1.3rem;font-family:inherit;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:var(--accent-contrast)}.btn-primary:hover{filter:brightness(1.08)}.btn-secondary{border-color:var(--border);color:var(--text);background:0 0}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:var(--danger);color:var(--bg)}.btn-danger:hover{filter:brightness(1.1)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.prose{max-width:var(--measure)}.prose h2{margin-top:var(--space-6);font-size:var(--step-2)}.prose p,.prose li{color:var(--text)}.related-tools-list{gap:var(--space-2);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}