/*! normalize.css v3.0.2 | MIT License | git.io/normalize */html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}.highlight table td{padding:5px}.highlight table pre{margin:0}.highlight .cm{color:#999988;font-style:italic}.highlight .cp{color:#999999;font-weight:bold}.highlight .c1{color:#999988;font-style:italic}.highlight .cs{color:#999999;font-weight:bold;font-style:italic}.highlight .c,.highlight .cd{color:#999988;font-style:italic}.highlight .err{color:#a61717;background-color:#e3d2d2}.highlight .gd{color:#000000;background-color:#ffdddd}.highlight .ge{color:#000000;font-style:italic}.highlight .gr{color:#aa0000}.highlight .gh{color:#999999}.highlight .gi{color:#000000;background-color:#ddffdd}.highlight .go{color:#888888}.highlight .gp{color:#555555}.highlight .gs{font-weight:bold}.highlight .gu{color:#aaaaaa}.highlight .gt{color:#aa0000}.highlight .kc{color:#000000;font-weight:bold}.highlight .kd{color:#000000;font-weight:bold}.highlight .kn{color:#000000;font-weight:bold}.highlight .kp{color:#000000;font-weight:bold}.highlight .kr{color:#000000;font-weight:bold}.highlight .kt{color:#445588;font-weight:bold}.highlight .k,.highlight .kv{color:#000000;font-weight:bold}.highlight .mf{color:#009999}.highlight .mh{color:#009999}.highlight .il{color:#009999}.highlight .mi{color:#009999}.highlight .mo{color:#009999}.highlight .m,.highlight .mb,.highlight .mx{color:#009999}.highlight .sb{color:#d14}.highlight .sc{color:#d14}.highlight .sd{color:#d14}.highlight .s2{color:#d14}.highlight .se{color:#d14}.highlight .sh{color:#d14}.highlight .si{color:#d14}.highlight .sx{color:#d14}.highlight .sr{color:#009926}.highlight .s1{color:#d14}.highlight .ss{color:#990073}.highlight .s{color:#d14}.highlight .na{color:#008080}.highlight .bp{color:#999999}.highlight .nb{color:#0086B3}.highlight .nc{color:#445588;font-weight:bold}.highlight .no{color:#008080}.highlight .nd{color:#3c5d5d;font-weight:bold}.highlight .ni{color:#800080}.highlight .ne{color:#990000;font-weight:bold}.highlight .nf{color:#990000;font-weight:bold}.highlight .nl{color:#990000;font-weight:bold}.highlight .nn{color:#555555}.highlight .nt{color:#000080}.highlight .vc{color:#008080}.highlight .vg{color:#008080}.highlight .vi{color:#008080}.highlight .nv{color:#008080}.highlight .ow{color:#000000;font-weight:bold}.highlight .o{color:#000000;font-weight:bold}.highlight .w{color:#bbbbbb}.highlight{background-color:#f8f8f8}*{box-sizing:border-box}body{padding:0;margin:0;font-family:"Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;line-height:1.5;color:#606c71}#skip-to-content{height:1px;width:1px;position:absolute;overflow:hidden;top:-10px}#skip-to-content:focus{position:fixed;top:10px;left:10px;height:auto;width:auto;background:#e19447;outline:thick solid #e19447}a{color:#1e6bb8;text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-block;margin-bottom:1rem;color:rgba(255,255,255,0.7);background-color:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.2);border-style:solid;border-width:1px;border-radius:0.3rem;transition:color 0.2s, background-color 0.2s, border-color 0.2s}.btn:hover{color:rgba(255,255,255,0.8);text-decoration:none;background-color:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}.btn+.btn{margin-left:1rem}@media screen and (min-width: 64em){.btn{padding:0.75rem 1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.btn{padding:0.6rem 0.9rem;font-size:0.9rem}}@media screen and (max-width: 42em){.btn{display:block;width:100%;padding:0.75rem;font-size:0.9rem}.btn+.btn{margin-top:1rem;margin-left:0}}.page-header{color:#fff;text-align:center;background-color:#159957;background-image:linear-gradient(120deg, #155799, #159957)}@media screen and (min-width: 64em){.page-header{padding:5rem 6rem}}@media screen and (min-width: 42em) and (max-width: 64em){.page-header{padding:3rem 4rem}}@media screen and (max-width: 42em){.page-header{padding:2rem 1rem}}.project-name{margin-top:0;margin-bottom:0.1rem}@media screen and (min-width: 64em){.project-name{font-size:3.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-name{font-size:2.25rem}}@media screen and (max-width: 42em){.project-name{font-size:1.75rem}}.project-tagline{margin-bottom:2rem;font-weight:normal;opacity:0.7}@media screen and (min-width: 64em){.project-tagline{font-size:1.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-tagline{font-size:1.15rem}}@media screen and (max-width: 42em){.project-tagline{font-size:1rem}}.main-content{word-wrap:break-word}.main-content :first-child{margin-top:0}@media screen and (min-width: 64em){.main-content{max-width:64rem;padding:2rem 6rem;margin:0 auto;font-size:1.1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.main-content{padding:2rem 4rem;font-size:1.1rem}}@media screen and (max-width: 42em){.main-content{padding:2rem 1rem;font-size:1rem}}.main-content kbd{background-color:#fafbfc;border:1px solid #c6cbd1;border-bottom-color:#959da5;border-radius:3px;box-shadow:inset 0 -1px 0 #959da5;color:#444d56;display:inline-block;font-size:11px;line-height:10px;padding:3px 5px;vertical-align:middle}.main-content img{max-width:100%}.main-content h1,.main-content h2,.main-content h3,.main-content h4,.main-content h5,.main-content h6{margin-top:2rem;margin-bottom:1rem;font-weight:normal;color:#159957}.main-content p{margin-bottom:1em}.main-content code{padding:2px 4px;font-family:Consolas, "Liberation Mono", Menlo, Courier, monospace;font-size:0.9rem;color:#567482;background-color:#f3f6fa;border-radius:0.3rem}.main-content pre{padding:0.8rem;margin-top:0;margin-bottom:1rem;font:1rem Consolas, "Liberation Mono", Menlo, Courier, monospace;color:#567482;word-wrap:normal;background-color:#f3f6fa;border:solid 1px #dce6f0;border-radius:0.3rem}.main-content pre>code{padding:0;margin:0;font-size:0.9rem;color:#567482;word-break:normal;white-space:pre;background:transparent;border:0}.main-content .highlight{margin-bottom:1rem}.main-content .highlight pre{margin-bottom:0;word-break:normal}.main-content .highlight pre,.main-content pre{padding:0.8rem;overflow:auto;font-size:0.9rem;line-height:1.45;border-radius:0.3rem;-webkit-overflow-scrolling:touch}.main-content pre code,.main-content pre tt{display:inline;max-width:initial;padding:0;margin:0;overflow:initial;line-height:inherit;word-wrap:normal;background-color:transparent;border:0}.main-content pre code:before,.main-content pre code:after,.main-content pre tt:before,.main-content pre tt:after{content:normal}.main-content ul,.main-content ol{margin-top:0}.main-content blockquote{padding:0 1rem;margin-left:0;color:#819198;border-left:0.3rem solid #dce6f0}.main-content blockquote>:first-child{margin-top:0}.main-content blockquote>:last-child{margin-bottom:0}.main-content table{display:block;width:100%;overflow:auto;word-break:normal;word-break:keep-all;-webkit-overflow-scrolling:touch}.main-content table th{font-weight:bold}.main-content table th,.main-content table td{padding:0.5rem 1rem;border:1px solid #e9ebec}.main-content dl{padding:0}.main-content dl dt{padding:0;margin-top:1rem;font-size:1rem;font-weight:bold}.main-content dl dd{padding:0;margin-bottom:1rem}.main-content hr{height:2px;padding:0;margin:1rem 0;background-color:#eff0f1;border:0}.site-footer{padding-top:2rem;margin-top:2rem;border-top:solid 1px #eff0f1}@media screen and (min-width: 64em){.site-footer{font-size:1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.site-footer{font-size:1rem}}@media screen and (max-width: 42em){.site-footer{font-size:0.9rem}}.site-footer-owner{display:block;font-weight:bold}.site-footer-credits{color:#819198}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background-color:var(--bg-secondary);border-bottom:1px solid var(--border);backdrop-filter:saturate(1.4) blur(8px);-webkit-backdrop-filter:saturate(1.4) blur(8px)}.site-header-inner{max-width:58rem;margin:0 auto;padding:8px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{font-size:18px;font-weight:bold;color:var(--heading);text-decoration:none;white-space:nowrap}.site-logo:hover{text-decoration:underline}.site-nav{display:flex;align-items:center;gap:14px;flex-wrap:nowrap}.nav-link{color:var(--text-muted);text-decoration:none;font-size:14px;padding:4px 0;border-bottom:2px solid transparent;transition:color 0.2s, border-color 0.2s;white-space:nowrap}.nav-link:hover{color:var(--heading);border-bottom-color:var(--link)}.theme-toggle{cursor:pointer;border:1px solid var(--border);border-radius:50%;background:transparent;color:var(--heading);width:32px;height:32px;font-size:15px;margin-left:4px;display:inline-flex;align-items:center;justify-content:center;padding:0;transition:background 0.2s}.theme-toggle:hover{background:var(--code-bg)}body{padding-top:52px}html{scrollbar-gutter:stable;overflow-y:scroll}@media screen and (max-width: 42em){.site-header-inner{flex-wrap:wrap;gap:6px;padding:6px 12px}.site-logo{font-size:16px}.site-nav{gap:10px}body{padding-top:76px}}:root{--bg: #0f1115;--bg-secondary: #16181d;--text: #d6d9de;--text-muted: #9aa1ab;--heading: #f0f2f5;--link: #7aa2f7;--header-bg: #111316;--header-bg-secondary: #0f1115;--code-bg: #16181d;--code-text: #e2f3f0;--border: #23262d;--code-border: #3a4250;--table-border: #23262d;--hr-border: #1d2026;--btn-bg: #1b1e24;--btn-border: #2a2e36;--blockquote-text: #9aa1ab;--accent: #7aa2f7;--selection-bg: rgba(122, 162, 247, 0.25)}[data-theme="light"]{--bg: #ffffff;--bg-secondary: #f5f7fa;--text: #3d444d;--text-muted: #6e7781;--heading: #1f2328;--link: #1e6bb8;--header-bg: #f5f7fa;--header-bg-secondary: #e9ecf1;--code-bg: #f6f8fa;--code-text: #567482;--border: #d8dee4;--code-border: #d8dee4;--table-border: #d8dee4;--hr-border: #e4e8ec;--btn-bg: #fff;--btn-border: rgba(27, 31, 36, 0.15);--blockquote-text: #57606a;--accent: #1e6bb8;--selection-bg: rgba(30, 107, 184, 0.15)}body{background-color:var(--bg);color:var(--text);font-family:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}::selection{background:var(--selection-bg)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}.main-content{max-width:58rem;padding:2rem 1.5rem}@media (max-width: 42em){.main-content{padding:1.5rem 1rem}}.main-content p,.main-content li,.main-content blockquote,.main-content figcaption{max-width:70ch}.main-content h1,.main-content h2,.main-content h3,.main-content h4,.main-content h5,.main-content h6{color:var(--heading);letter-spacing:-0.02em;line-height:1.3;font-weight:650}.main-content h1{font-size:2.1rem;font-weight:700}.main-content h2{font-size:1.55rem;margin-top:2.5rem}.main-content h3{font-size:1.25rem}.main-content h4{font-size:1.05rem}.main-content a{color:var(--link);text-decoration:none;border-bottom:1px solid transparent;transition:border-color 0.15s ease}.main-content a:hover{border-bottom-color:var(--link);text-decoration:none}.main-content pre,.main-content code{background-color:var(--code-bg);color:var(--code-text);font-family:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}.main-content pre{border:1px solid var(--code-border, var(--border));border-radius:8px;padding:16px 20px;line-height:1.6;overflow-x:auto;position:relative}.main-content pre.has-copy-btn{padding-top:44px}.code-copy-btn{position:absolute;top:8px;right:10px;z-index:1;display:inline-flex;align-items:center;gap:5px;padding:4px 10px;font-size:0.75rem;font-family:inherit;color:var(--text);background:var(--code-bg);border:1px solid var(--code-border, var(--border));border-radius:6px;cursor:pointer;opacity:0;transition:opacity 0.15s ease, background-color 0.15s ease;user-select:none;white-space:nowrap}.main-content pre:hover .code-copy-btn,.code-copy-btn:focus-visible,.code-copy-btn.copied{opacity:1}.code-copy-btn:hover{background:var(--border)}.code-copy-btn.copied{color:#3fb950}@media (max-width: 42em){.main-content pre{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word}.main-content pre code{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word}}.main-content code{border-radius:4px;padding:0.15em 0.4em;font-size:0.88em}.main-content pre code{padding:0;background:transparent;border:none;font-size:0.9rem;color:var(--code-text)}.main-content p code,.main-content li code,.main-content td code{background-color:var(--code-bg);border:1px solid var(--border);border-radius:4px}.main-content img{max-width:100%;border-radius:8px;border:1px solid var(--border);display:block;margin:1.5rem auto}.main-content video{display:block;margin:1.5rem auto;border:1px solid var(--border)}:root .highlight .c1,:root .highlight .cm,:root .highlight .cp,:root .highlight .cs,:root .highlight .c,:root .highlight .cd{color:#aab6c2}:root .highlight .k,:root .highlight .kc,:root .highlight .kd,:root .highlight .kn,:root .highlight .kp,:root .highlight .kr,:root .highlight .kt,:root .highlight .o,:root .highlight .ow{color:#ff9d95}:root .highlight .s,:root .highlight .sa,:root .highlight .sb,:root .highlight .sc,:root .highlight .dl,:root .highlight .sd,:root .highlight .s2,:root .highlight .se,:root .highlight .sh,:root .highlight .si,:root .highlight .sx,:root .highlight .sr,:root .highlight .s1,:root .highlight .ss{color:#c2e8ff}:root .highlight .nf,:root .highlight .fm,:root .highlight .nc,:root .highlight .nn,:root .highlight .nt{color:#e6ccff}:root .highlight .nb,:root .highlight .bp,:root .highlight .na,:root .highlight .nv,:root .highlight .vc,:root .highlight .vg,:root .highlight .vi{color:#9ed4ff}:root .highlight .m,:root .highlight .mb,:root .highlight .mf,:root .highlight .mh,:root .highlight .mi,:root .highlight .il,:root .highlight .mo{color:#f7b075}:root .highlight .p,:root .highlight .err{color:var(--code-text)}[data-theme="light"] .highlight .c1,[data-theme="light"] .highlight .cm,[data-theme="light"] .highlight .cp,[data-theme="light"] .highlight .cs,[data-theme="light"] .highlight .c,[data-theme="light"] .highlight .cd{color:#6e7781}[data-theme="light"] .highlight .k,[data-theme="light"] .highlight .kc,[data-theme="light"] .highlight .kd,[data-theme="light"] .highlight .kn,[data-theme="light"] .highlight .kp,[data-theme="light"] .highlight .kr,[data-theme="light"] .highlight .kt,[data-theme="light"] .highlight .o,[data-theme="light"] .highlight .ow{color:#cf222e}[data-theme="light"] .highlight .s,[data-theme="light"] .highlight .sa,[data-theme="light"] .highlight .sb,[data-theme="light"] .highlight .sc,[data-theme="light"] .highlight .dl,[data-theme="light"] .highlight .sd,[data-theme="light"] .highlight .s2,[data-theme="light"] .highlight .se,[data-theme="light"] .highlight .sh,[data-theme="light"] .highlight .si,[data-theme="light"] .highlight .sx,[data-theme="light"] .highlight .sr,[data-theme="light"] .highlight .s1,[data-theme="light"] .highlight .ss{color:#0a3069}[data-theme="light"] .highlight .nf,[data-theme="light"] .highlight .fm,[data-theme="light"] .highlight .nc,[data-theme="light"] .highlight .nn,[data-theme="light"] .highlight .nt{color:#8250df}[data-theme="light"] .highlight .nb,[data-theme="light"] .highlight .bp,[data-theme="light"] .highlight .na,[data-theme="light"] .highlight .nv,[data-theme="light"] .highlight .vc,[data-theme="light"] .highlight .vg,[data-theme="light"] .highlight .vi{color:#0550ae}[data-theme="light"] .highlight .m,[data-theme="light"] .highlight .mb,[data-theme="light"] .highlight .mf,[data-theme="light"] .highlight .mh,[data-theme="light"] .highlight .mi,[data-theme="light"] .highlight .il,[data-theme="light"] .highlight .mo{color:#b05a00}[data-theme="light"] .highlight .p,[data-theme="light"] .highlight .err{color:var(--code-text)}.main-content blockquote{color:var(--blockquote-text);border-left:3px solid var(--accent);padding:0.25em 1em;margin-left:0;margin-right:0}.main-content table{border-collapse:collapse;width:100%;margin:1.5rem 0;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.main-content table th,.main-content table td{border-color:var(--table-border);padding:10px 14px;white-space:normal}.main-content table th{font-weight:600;color:var(--heading);border-bottom-width:2px}.main-content table tr{border-top-color:var(--table-border)}.main-content table tr:nth-child(2n){background-color:var(--bg-secondary)}.main-content hr{border:0;border-top:1px solid var(--hr-border);margin:2.5rem 0}.main-content .btn{color:var(--heading);background-color:var(--btn-bg);border-color:var(--btn-border)}.site-footer{border-top-color:var(--border)}.site-footer-owner,.site-footer-credits{color:var(--text-muted)}.site-footer-ai{display:block;margin-top:0.5rem;font-size:0.8em;color:var(--text-muted);opacity:0.8}.tag-badge{display:inline-block;padding:4px 10px;margin:4px;background:var(--code-bg);border:1px solid var(--border);border-radius:6px;color:var(--text);text-decoration:none;font-size:14px}.tag-badge:hover{background:var(--btn-bg);border-color:var(--accent);color:var(--heading)}.share-post{margin:20px 0;text-align:center}.share-post h3{margin-bottom:10px}.share-post .share-buttons{display:inline-flex;gap:8px;flex-wrap:wrap;justify-content:center}.share-post .share-btn{padding:8px 14px;border-radius:6px;color:var(--heading) !important;background-color:transparent !important;text-decoration:none;font-size:14px;border:1px solid var(--border);cursor:pointer;transition:color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease}.share-post .share-btn:hover{border-color:var(--accent);color:var(--accent) !important}.related-posts{margin:20px 0}.mermaid{text-align:center;overflow-x:auto;padding:8px 4px;max-width:100%}.mermaid svg{max-width:100%;height:auto;overflow:visible;display:block;margin:0 auto}[data-theme="dark"] .mermaid{filter:none}.mermaid .nodeLabel{white-space:normal;word-wrap:break-word;overflow-wrap:break-word}.mermaid .label-container{overflow:visible}.mermaid-modal{display:none;position:fixed;inset:0;z-index:300;background:rgba(0,0,0,0.85);padding:24px;overflow:auto;-webkit-overflow-scrolling:touch}.mermaid-modal.open{display:block}.mermaid-modal-body{min-height:100%;display:flex;align-items:center;justify-content:center}.mermaid-modal-body svg{max-width:100%;max-height:90vh;width:auto;height:auto;background:#fff;border-radius:6px;padding:12px}[data-theme="dark"] .mermaid-modal-body svg{background:#f0f0f0}.mermaid-modal-close{position:fixed;top:14px;right:18px;z-index:310;width:40px;height:40px;border:none;border-radius:50%;background:rgba(255,255,255,0.9);color:#111;font-size:18px;line-height:1;cursor:pointer}.mermaid-modal-close:hover{background:#fff}body.modal-open{overflow:hidden}.cookie-banner{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);z-index:200;max-width:560px;width:calc(100% - 32px);padding:14px 18px;border-radius:10px;border:1px solid var(--border);background-color:var(--bg-secondary);display:flex;flex-direction:column;align-items:stretch;gap:0;font-size:14px;line-height:1.45}.cookie-banner-text{margin:0;margin-bottom:8px}.cookie-banner-ok{flex-shrink:0;align-self:flex-end;padding:8px 14px;margin-top:4px;border:1px solid var(--btn-border);border-radius:6px;background-color:var(--btn-bg);color:var(--heading);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease}.cookie-banner-ok:hover{border-color:var(--accent);color:var(--accent);background-color:transparent}@media (max-width: 480px){.cookie-banner{padding:12px 14px}.cookie-banner-text{font-size:13px}.cookie-banner-ok{width:auto}}.main-content h2,.main-content h3{position:relative;scroll-margin-top:80px}.heading-anchor{opacity:0;margin-left:8px;font-size:0.8em;font-weight:normal;color:var(--link);text-decoration:none;transition:opacity 0.15s ease}.main-content h2:hover .heading-anchor,.main-content h3:hover .heading-anchor,.heading-anchor:focus-visible{opacity:0.6}.heading-anchor:hover{opacity:1}