:root{--color-primary:#10b981;--color-secondary:#059669;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-text:#18181b;--color-text-secondary:#71717a;--color-text-light:#a1a1aa;--color-bg:#ffffff;--color-bg-secondary:#f9fafb;--color-border:#e5e7eb;--color-zinc-50:#fafafa;--color-zinc-100:#f4f4f5;--color-zinc-200:#e4e4e7;--color-zinc-300:#d4d4d8;--color-zinc-400:#a1a1aa;--color-zinc-500:#71717a;--color-zinc-600:#52525b;--color-zinc-700:#3f3f46;--color-zinc-800:#27272a;--color-zinc-900:#18181b;--color-emerald-50:#ecfdf5;--color-emerald-100:#d1fae5;--color-emerald-200:#a7f3d0;--color-emerald-300:#6ee7b7;--color-emerald-400:#34d399;--color-emerald-500:#10b981;--color-emerald-600:#059669;--color-emerald-700:#047857;--color-blue-50:#eff6ff;--color-blue-100:#dbeafe;--color-blue-300:#93c5fd;--color-blue-500:#3b82f6;--color-blue-700:#1d4ed8;--font-family-base:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Segoe 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0.4)}}.notebook-refs{margin-top:var(--spacing-2xl);padding:var(--spacing-lg);background:var(--color-bg-secondary);border-radius:var(--border-radius-lg);border-left:4px solid var(--color-primary)}.notebook-refs h3{margin-bottom:var(--spacing-md);font-size:var(--font-size-lg);color:var(--color-text);font-weight:600}.notebook-refs ul{list-style:none;padding:0}.notebook-refs li{margin-bottom:var(--spacing-sm);padding-left:var(--spacing-lg);position:relative}.notebook-refs li::before{content:"→";position:absolute;left:0;color:var(--color-primary);font-weight:700}.notebook-refs a{color:var(--color-text);text-decoration:none;border-bottom:1px solid var(--color-primary);transition:all var(--transition-fast)}.notebook-refs a:hover{color:var(--color-primary);border-bottom-width:2px}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);line-height:var(--line-height-base);-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:1rem;line-height:inherit;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{text-decoration:underline}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}canvas,img,picture,svg,video{display:block;max-width:100%;height:auto}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:inherit;color:inherit;margin:0;padding:0}button{cursor:pointer;background:0 0;border:none}table{border-collapse:collapse;border-spacing:0}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}code,kbd,pre,samp{font-family:var(--font-family-mono);font-size:.875em}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-md)}.article-container{max-width:var(--article-max-width);margin:0 auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-to-content{position:absolute;top:-40px;left:0;background:var(--color-bg);color:var(--color-text);padding:var(--spacing-sm) var(--spacing-md);z-index:100;text-decoration:none;border-radius:var(--border-radius)}.skip-to-content:focus{top:var(--spacing-sm);left:var(--spacing-sm)}@media print{body{color:#000;background:#fff}a{color:#000;text-decoration:underline}.no-print{display:none}}