:root{--tk-surface: #ffffff;--tk-on-surface: #0f1117;--tk-surface-variant: #f5f6f8;--tk-on-surface-variant: #4a4e5a;--tk-primary: #2b5cee;--tk-on-primary: #ffffff;--tk-primary-container: #e8edfd;--tk-on-primary-container: #0a1f5c;--tk-secondary: #7c3aed;--tk-accent: #06b6d4;--tk-success: #059669;--tk-danger: #dc2626;--tk-warning: #d97706;--tk-outline: #d1d5db;--tk-outline-variant: #e5e7eb;--tk-focus-ring: #2b5cee;--tk-code-bg: #1e1e2e;--tk-code-text: #cdd6f4;--tk-code-comment: #6c7086;--tk-code-keyword: #cba6f7;--tk-code-string: #a6e3a1;--tk-code-number: #fab387;--tk-code-type: #89b4fa;--tk-code-tag: #f38ba8;--tk-code-attr: #f9e2af;--tk-space-1: .25rem;--tk-space-2: .5rem;--tk-space-3: .75rem;--tk-space-4: 1rem;--tk-space-5: 1.5rem;--tk-space-6: 2rem;--tk-space-7: 3rem;--tk-space-8: 4rem;--tk-space-9: 6rem;--tk-radius-sm: .375rem;--tk-radius-md: .5rem;--tk-radius-lg: .75rem;--tk-radius-xl: 1rem;--tk-radius-2xl: 1.5rem;--tk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--tk-shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--tk-shadow-lg: 0 12px 32px rgba(0, 0, 0, .08);--tk-shadow-xl: 0 24px 64px rgba(0, 0, 0, .12);--tk-font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--tk-font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--tk-sidebar-width: 280px;--tk-header-height: 64px;--tk-content-max-width: 900px}[data-theme=dark]{--tk-surface: #0f1117;--tk-on-surface: #e4e6ed;--tk-surface-variant: #1a1d27;--tk-on-surface-variant: #9ca0ab;--tk-primary: #6b8eff;--tk-on-primary: #0a1f5c;--tk-primary-container: #1a2a5c;--tk-on-primary-container: #c7d4fd;--tk-outline: #2d3140;--tk-outline-variant: #232636;--tk-focus-ring: #6b8eff;--tk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--tk-shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--tk-shadow-lg: 0 12px 32px rgba(0, 0, 0, .4);--tk-shadow-xl: 0 24px 64px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--tk-font-sans);color:var(--tk-on-surface);background:var(--tk-surface);line-height:1.6;min-height:100vh;transition:background-color .2s ease,color .2s ease}a{color:var(--tk-primary);text-decoration:none;transition:color .15s ease}a:hover{text-decoration:underline}code{font-family:var(--tk-font-mono);font-size:.875em;background:var(--tk-surface-variant);padding:.15em .4em;border-radius:var(--tk-radius-sm);color:var(--tk-primary);font-weight:500}pre{font-family:var(--tk-font-mono);font-size:.875rem;line-height:1.7;overflow-x:auto}pre code{background:none;padding:0;border-radius:0;color:inherit;font-weight:400}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;letter-spacing:-.02em}h1{font-size:2.5rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}img{max-width:100%}.container{max-width:1200px;margin:0 auto;padding:0 var(--tk-space-5)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--tk-outline);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--tk-on-surface-variant)}::selection{background:var(--tk-primary);color:var(--tk-on-primary)}:focus-visible{outline:2px solid var(--tk-focus-ring);outline-offset:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn .4s ease-out}