:root{--color-bg: #ffffff;--color-surface: #f5f5f7;--color-surface-2: #ececf1;--color-text: #1a1a1f;--color-text-muted: #4b4b55;--color-border: #d4d4dc;--color-primary: #4338ca;--color-primary-hover: #3730a3;--color-on-primary: #ffffff;--color-focus: #1d4ed8;--color-danger: #b42318;--color-success: #15803d;--color-link: #3730a3;--color-link-hover: #1e1b4b;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--radius: .5rem;--radius-lg: .875rem;--maxw: 70rem;--maxw-prose: 44rem;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 12px rgba(0, 0, 0, .05)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg: #0f0f14;--color-surface: #1a1a22;--color-surface-2: #24242e;--color-text: #f2f2f6;--color-text-muted: #b9b9c6;--color-border: #3a3a46;--color-primary: #a5b4fc;--color-primary-hover: #c7d2fe;--color-on-primary: #11111a;--color-focus: #93c5fd;--color-danger: #fca5a5;--color-success: #86efac;--color-link: #a5b4fc;--color-link-hover: #c7d2fe;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .5)}}:root[data-theme=dark]{--color-bg: #0f0f14;--color-surface: #1a1a22;--color-surface-2: #24242e;--color-text: #f2f2f6;--color-text-muted: #b9b9c6;--color-border: #3a3a46;--color-primary: #a5b4fc;--color-primary-hover: #c7d2fe;--color-on-primary: #11111a;--color-focus: #93c5fd;--color-danger: #fca5a5;--color-success: #86efac;--color-link: #a5b4fc;--color-link-hover: #c7d2fe;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-sans);line-height:1.6;-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}body{margin:0;background:var(--color-bg);color:var(--color-text);min-height:100vh;display:flex;flex-direction:column;font-size:1.0625rem}img,svg,video{max-width:100%;height:auto}h1,h2,h3,h4{line-height:1.2;margin:0 0 var(--space-4);font-weight:700;letter-spacing:-.01em}h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,3.5vw,2rem);margin-top:var(--space-7)}h3{font-size:1.25rem;margin-top:var(--space-5)}p{margin:0 0 var(--space-4)}a{color:var(--color-link);text-decoration:underline;text-underline-offset:.15em}a:hover{color:var(--color-link-hover)}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px;border-radius:2px}.skip-link{position:absolute;left:var(--space-3);top:-3rem;z-index:1000;background:var(--color-primary);color:var(--color-on-primary);padding:var(--space-2) var(--space-4);border-radius:var(--radius);text-decoration:none;transition:top .15s ease}.skip-link:focus{top:var(--space-3);color:var(--color-on-primary)}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--space-4)}.prose{max-width:var(--maxw-prose)}.prose :where(h2,h3){scroll-margin-top:var(--space-6)}main{flex:1 0 auto;padding-block:var(--space-7)}.section{margin-block:var(--space-7)}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;gap:var(--space-2);font:inherit;font-weight:600;padding:var(--space-3) var(--space-5);border-radius:var(--radius);border:2px solid transparent;cursor:pointer;text-decoration:none;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-hover);color:var(--color-on-primary)}.btn-secondary{background:transparent;color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-text)}.btn[disabled]{opacity:.6;cursor:not-allowed}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow)}.card>:first-child{margin-top:0}.card-grid{display:grid;gap:var(--space-5);grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr))}.hero{padding-block:var(--space-7) var(--space-6)}.hero p.lead{font-size:1.25rem;color:var(--color-text-muted);max-width:var(--maxw-prose)}.button-row{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-5)}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-bg);position:sticky;top:0;z-index:50}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:4rem}.brand{display:inline-flex;align-items:center;gap:var(--space-2);font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--color-text)}.brand img{width:28px;height:28px}.primary-nav ul{display:flex;flex-wrap:wrap;gap:var(--space-2);list-style:none;margin:0;padding:0;align-items:center}.primary-nav a{display:inline-block;padding:var(--space-2) var(--space-3);border-radius:var(--radius);text-decoration:none;color:var(--color-text);font-weight:600}.primary-nav a:hover{background:var(--color-surface-2)}.primary-nav a[aria-current=page]{color:var(--color-primary);background:var(--color-surface)}.theme-toggle{background:transparent;border:1px solid var(--color-border);color:var(--color-text);border-radius:var(--radius);padding:var(--space-2);cursor:pointer;line-height:0;display:inline-flex}.theme-toggle:hover{background:var(--color-surface-2)}.theme-toggle svg{width:1.25rem;height:1.25rem}.theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:block}:root[data-theme=dark] .theme-toggle .icon-moon{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-toggle .icon-sun{display:block}:root:not([data-theme=light]) .theme-toggle .icon-moon{display:none}}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);padding-block:var(--space-6);margin-top:var(--space-8)}.site-footer .container{display:flex;flex-wrap:wrap;gap:var(--space-4);justify-content:space-between;align-items:center}.site-footer a{color:var(--color-link)}.post-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-5)}.post-list time{color:var(--color-text-muted);font-size:.95rem}.post-list h2{margin-top:0;font-size:1.35rem}.tag-list{display:flex;flex-wrap:wrap;gap:var(--space-2);list-style:none;padding:0;margin:var(--space-3) 0 0}.tag{font-size:.8rem;background:var(--color-surface-2);color:var(--color-text-muted);padding:2px var(--space-2);border-radius:999px}.field{margin-bottom:var(--space-5)}.field label{display:block;font-weight:600;margin-bottom:var(--space-2)}.field .hint{color:var(--color-text-muted);font-size:.9rem;margin:0 0 var(--space-2)}.field input,.field textarea{width:100%;font:inherit;color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-3)}.field input:focus-visible,.field textarea:focus-visible{border-color:var(--color-primary)}.field [aria-invalid=true]{border-color:var(--color-danger)}.field-error{color:var(--color-danger);font-size:.9rem;margin-top:var(--space-2)}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.status{border-radius:var(--radius);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-5)}.status[data-state=success]{background:color-mix(in srgb,var(--color-success) 15%,var(--color-bg));border:1px solid var(--color-success)}.status[data-state=error]{background:color-mix(in srgb,var(--color-danger) 15%,var(--color-bg));border:1px solid var(--color-danger)}.article-meta{color:var(--color-text-muted);margin-bottom:var(--space-5)}.article-body :where(p,ul,ol,blockquote,pre){max-width:var(--maxw-prose)}.article-body blockquote{border-left:4px solid var(--color-primary);margin-inline:0;padding:var(--space-2) var(--space-4);color:var(--color-text-muted);background:var(--color-surface);border-radius:0 var(--radius) var(--radius) 0}.article-body pre{background:var(--color-surface-2);padding:var(--space-4);border-radius:var(--radius);overflow-x:auto}.article-body code{font-family:var(--font-mono);font-size:.95em}.m-0{margin:0}.mb-3{margin-bottom:var(--space-3)}