:root{--color-bg: #fafaf9;--color-text: #1c1917;--color-muted: #78716c;--color-muted-soft: rgba(120, 113, 108, .6);--color-accent: #2563eb;--color-border: #e7e5e4;--color-edge: #c4c3c2;--color-arrow: #a2a0a0;--color-skeleton: #eeece9;--color-skel-hi: #f6f4f1;--color-code-bg: #f4f4f3;--font-body: system-ui, -apple-system, sans-serif;--font-mono: ui-monospace, "Cascadia Code", monospace;--content-width: 760px;--spacing: 1.5rem}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.25;margin:0 0 .75em;font-weight:650}h1{font-size:1.75rem}h2{font-size:1.25rem}h3{font-size:1.05rem}p{margin:0 0 1em}a{color:var(--color-accent)}code,pre{font-family:var(--font-mono);font-size:.95em}pre{background:var(--color-code-bg);padding:1rem;border-radius:4px;overflow-x:auto}.skel{display:block;border-radius:4px;background:linear-gradient(90deg,var(--color-skeleton) 0%,var(--color-skel-hi) 50%,var(--color-skeleton) 100%);background-size:200% 100%;animation:skel-shimmer 1.4s ease-in-out infinite}@keyframes skel-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}