:root{color-scheme:light;--bg: #ffffff;--bg-soft: #f6f7f9;--bg-elevated: #ffffff;--fg: #1b1f24;--fg-muted: #5b6570;--accent: #1f5fd0;--accent-hover: #1a4fb0;--accent-soft: #e8f0fe;--accent-contrast: #ffffff;--border: #e3e6ea;--border-strong: #cfd4da;--code-bg: #f3f4f6;--code-fg: #1b1f24;--code-prompt: #6a737d;--code-output: #57606a;--shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 8px 24px rgba(16, 24, 40, 0.06);--shadow-lg: 0 2px 4px rgba(16, 24, 40, 0.05), 0 12px 32px rgba(16, 24, 40, 0.09);--radius: 10px;--radius-sm: 6px;--maxw: 46rem;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--step-0: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);--step-1: clamp(1.2rem, 1.14rem + 0.3vw, 1.35rem);--step-2: clamp(1.45rem, 1.34rem + 0.55vw, 1.75rem);--step-3: clamp(1.75rem, 1.55rem + 1vw, 2.25rem);--header-height: 3.75rem}@media(prefers-color-scheme: dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #0f1216;--bg-soft: #161a20;--bg-elevated: #1a1f26;--fg: #e6e9ee;--fg-muted: #9aa4b2;--accent: #74a9ff;--accent-hover: #93bdff;--accent-soft: #17263c;--accent-contrast: #0b1220;--border: #262c35;--border-strong: #38414d;--code-bg: #171c22;--code-fg: #e6edf3;--code-prompt: #8b949e;--code-output: #8b949e;--shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);--shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.45), 0 16px 40px rgba(0, 0, 0, 0.4)}}:root[data-theme=dark]{color-scheme:dark;--bg: #0f1216;--bg-soft: #161a20;--bg-elevated: #1a1f26;--fg: #e6e9ee;--fg-muted: #9aa4b2;--accent: #74a9ff;--accent-hover: #93bdff;--accent-soft: #17263c;--accent-contrast: #0b1220;--border: #262c35;--border-strong: #38414d;--code-bg: #171c22;--code-fg: #e6edf3;--code-prompt: #8b949e;--code-output: #8b949e;--shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);--shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.45), 0 16px 40px rgba(0, 0, 0, 0.4)}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 1rem)}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:var(--step-0);line-height:1.65;display:flex;flex-direction:column;min-height:100vh;-webkit-font-smoothing:antialiased}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}a{color:var(--accent);text-decoration:none;text-underline-offset:.15em}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}img{max-width:100%;height:auto;border-radius:var(--radius-sm)}hr{border:0;border-top:1px solid var(--border);margin:2.5rem 0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;z-index:100;background:var(--accent);color:var(--accent-contrast);padding:.5rem .75rem;border-radius:var(--radius-sm);text-decoration:none}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg-soft) 85%, transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}@supports not (background: color-mix(in srgb, red 50%, 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