:root{--paper: #e8edf1;--surface: #f8fafb;--ink: #16222c;--steel: #55636e;--line: #c5cfd7;--seal: #7b2d3b;--seal-ink: #f3e4e7;--focus: #2e5e9e;--danger: #a03224;--serif: "Charter", "Bitstream Charter", "Sitka Text", "Iowan Old Style", Cambria, Georgia, serif;--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;--step--1: .875rem;--step-0: 1rem;--step-1: 1.25rem;--step-3: clamp(2rem, 1.4rem + 2.6vw, 2.875rem);color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--paper: #11181e;--surface: #18222b;--ink: #dce4ea;--steel: #94a2ad;--line: #2e3b46;--seal: #b9566a;--seal-ink: #1c0d11;--focus: #84aee6;--danger: #ec8a77}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font:var(--step-0)/1.55 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figcaption{font-size:var(--step--1);color:var(--steel);margin-bottom:.4rem}.example-body{display:flex;align-items:flex-start;gap:.75rem;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:.75rem .75rem .75rem .9rem}.example pre{flex:1;min-width:0;margin:0;overflow-x:auto;font-family:var(--mono);font-size:.8125rem;line-height:1.6;padding-top:.2rem}.example pre code{background:none;padding:0;font-size:inherit}@media(max-width:34rem){.masthead{padding-bottom:2rem}.sheet{padding:1rem}.sheet-sealed,.sheet-closed{padding-top:3.25rem;padding-right:1rem}.seal{width:4.25rem;height:4.25rem}.link-row .button-primary{width:100%}}@media(prefers-reduced-motion:reduce){.seal-stamp{animation:none}}