:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-secondary: #7c3aed;--color-accent: #f59e0b;--color-bg: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-text: #1f2937;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-code-bg: #f3f4f6;--color-code-text: #1f2937;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--font-family-sans: system-ui, -apple-system, "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;--font-family-mono: "Courier New", "Courier", monospace;--text-base: 1rem;--text-sm: .875rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-normal: 400;--text-medium: 500;--text-semibold: 600;--text-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--line-height-loose: 2;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out}[data-theme=dark]{--color-primary: #60a5fa;--color-primary-dark: #93bbfd;--color-primary-light: #1e3a5f;--color-bg: #111827;--color-bg-secondary: #1f2937;--color-bg-tertiary: #374151;--color-text: #f9fafb;--color-text-secondary: #d1d5db;--color-text-tertiary: #9ca3af;--color-border: #374151;--color-border-light: #1f2937;--color-code-bg: #1f2937;--color-code-text: #e5e7eb;--color-success: 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var(--spacing-sm)}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}}.btn{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-weight:var(--text-semibold);text-decoration:none;cursor:pointer;border:2px solid transparent;transition:all var(--transition-fast);font-size:var(--text-sm)}.btn:hover{transform:translateY(-2px)}.btn-primary,.prose a.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover,.prose 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var(--spacing-sm);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:var(--text-semibold);background-color:var(--color-bg-tertiary);color:var(--color-text)}.badge-primary{background-color:var(--color-primary);color:#fff}.badge-secondary{background-color:var(--color-secondary);color:#fff}.badge-success{background-color:var(--color-success);color:#fff}.badge-warning{background-color:var(--color-warning);color:#fff}.badge-error{background-color:var(--color-error);color:#fff}.alert{padding:var(--spacing-lg);border-radius:var(--radius-lg);border-left:4px solid var(--color-border);margin-bottom:var(--spacing-lg)}.alert-info{background-color:var(--color-primary-light);border-left-color:var(--color-primary);color:var(--color-text)}.alert-success{background-color:#ecfdf5;border-left-color:var(--color-success);color:#065f46}.alert-warning{background-color:#fffbeb;border-left-color:var(--color-warning);color:#92400e}.alert-error{background-color:#fef2f2;border-left-color:var(--color-error);color:#7f1d1d}[data-theme=dark] .alert-success{background-color:#34d3991a;color:var(--color-success)}[data-theme=dark] .alert-warning{background-color:#fbbf241a;color:var(--color-warning)}[data-theme=dark] .alert-error{background-color:#f871711a;color:var(--color-error)}.code-block{background-color:var(--color-code-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);overflow-x:auto;margin:var(--spacing-lg) 0}.code-block code{font-family:var(--font-family-mono);color:var(--color-code-text);font-size:var(--text-sm)}.code-block-label{font-size:var(--text-xs);color:var(--color-text-secondary);font-weight:var(--text-semibold);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:.05em}.list{list-style:none;padding:0}.list-item{padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border)}.list-item:last-child{border-bottom:none}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.section{padding:var(--spacing-2xl) 0;border-bottom:1px solid var(--color-border)}.section:last-child{border-bottom:none}.section-title{font-size:var(--text-3xl);font-weight:var(--text-bold);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--color-primary)}.expandable{border:1px 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var(--color-border)}.breadcrumb{display:flex;gap:var(--spacing-sm);align-items:center;margin-bottom:var(--spacing-lg);font-size:var(--text-sm);color:var(--color-text-secondary)}.breadcrumb-item{display:flex;align-items:center}.breadcrumb-item:after{content:"/";margin:0 var(--spacing-sm);color:var(--color-text-tertiary)}.breadcrumb-item:last-child:after{content:"";margin:0}.breadcrumb-item a{color:var(--color-primary)}.breadcrumb-item.active{color:var(--color-text);font-weight:var(--text-semibold)}.heading-1{font-size:var(--text-4xl);font-weight:var(--text-bold);line-height:var(--line-height-tight);margin-bottom:var(--spacing-lg)}.heading-2{font-size:var(--text-3xl);font-weight:var(--text-bold);line-height:var(--line-height-tight);margin-bottom:var(--spacing-lg)}.heading-3{font-size:var(--text-2xl);font-weight:var(--text-semibold);line-height:var(--line-height-tight);margin-bottom:var(--spacing-md)}.heading-4{font-size:var(--text-xl);font-weight:var(--text-semibold);line-height:var(--line-height-normal);margin-bottom:var(--spacing-md)}.text-sm{font-size:var(--text-sm)}.text-base{font-size:var(--text-base)}.text-lg{font-size:var(--text-lg)}.text-xl{font-size:var(--text-xl)}.text-muted{color:var(--color-text-secondary)}.text-center{text-align:center}.text-right{text-align:right}.text-justify{text-align:justify}.font-normal{font-weight:var(--text-normal)}.font-medium{font-weight:var(--text-medium)}.font-semibold{font-weight:var(--text-semibold)}.font-bold{font-weight:var(--text-bold)}.leading-tight{line-height:var(--line-height-tight)}.leading-normal{line-height:var(--line-height-normal)}.leading-relaxed{line-height:var(--line-height-relaxed)}.leading-loose{line-height:var(--line-height-loose)}.uppercase{text-transform:uppercase;letter-spacing:.05em}.capitalize{text-transform:capitalize}.lowercase{text-transform:lowercase}.prose{--prose-spacing: 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a:hover{text-decoration:underline;border-bottom-style:solid}.prose img{max-width:100%;height:auto;border-radius:var(--radius-lg);margin:var(--prose-spacing) 0}.article-meta{display:flex;gap:var(--spacing-md);align-items:center;font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-lg)}.article-meta-item{display:flex;align-items:center;gap:var(--spacing-sm)}.highlight{background-color:#fef3c7;padding:.2em .4em;border-radius:var(--radius-sm)}[data-theme=dark] .highlight{background-color:#78350f}.success{color:var(--color-success);font-weight:var(--text-semibold)}.warning{color:var(--color-warning);font-weight:var(--text-semibold)}.error{color:var(--color-error);font-weight:var(--text-semibold)}.info{color:var(--color-info);font-weight:var(--text-semibold)}