:root{--bg-bg: #fcfbfa;--bg-secondary: #f6f5f2;--text-primary: #1c1b1a;--text-secondary: #6e6b64;--border-color: #e8e6e0;--accent-color: #4f46e5;--link-color: #312e81;--code-bg: #f6f5f2;--gradient-start: rgba(99, 102, 241, .05);--gradient-end: rgba(236, 72, 153, .02)}html.dark{--bg-bg: #09090b;--bg-secondary: #121215;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--border-color: #27272a;--accent-color: #818cf8;--link-color: #c7d2fe;--code-bg: #18181b;--gradient-start: rgba(99, 102, 241, .08);--gradient-end: rgba(236, 72, 153, .03)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;background-color:var(--bg-bg);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased;position:relative;min-height:100vh}.bg-gradient-radial{position:absolute;top:0;left:0;width:100%;height:800px;background:radial-gradient(circle at 50% -100px,var(--gradient-start) 0%,var(--gradient-end) 50%,transparent 100%);z-index:-10;pointer-events:none}.header{border-bottom:1px solid var(--border-color);padding:1.5rem 1rem;background-color:#fcfbfacc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);position:sticky;top:0;z-index:50}html.dark .header{background-color:#09090bcc}.header-inner{max-width:720px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-link{font-family:JetBrains Mono,monospace;font-weight:500;font-size:.9rem;text-decoration:none;color:var(--text-primary);letter-spacing:-.01em;transition:color .2s ease}.logo-link:hover{color:var(--accent-color)}.theme-toggle-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;padding:.25rem;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:transform .2s ease}.theme-toggle-btn:hover{transform:scale(1.1)}.theme-icon-light{display:block}.theme-icon-dark,html.dark .theme-icon-light{display:none}html.dark .theme-icon-dark{display:block}.main-container{max-width:720px;margin:0 auto;padding:4rem 1.5rem 8rem}.prose{font-family:Lora,Georgia,serif;font-size:1.2rem;line-height:1.85;color:var(--text-primary)}.prose h1,.prose h2,.prose h3,.prose h4{font-family:Plus Jakarta Sans,sans-serif;color:var(--text-primary);font-weight:800;letter-spacing:-.03em;margin-top:3.5rem;margin-bottom:1.25rem;line-height:1.25;display:inline-block;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.prose h1{font-size:2.85rem;margin-top:1rem;margin-bottom:2rem;display:block;background-image:linear-gradient(135deg,#111,#4b5563)}html.dark .prose h1{background-image:linear-gradient(135deg,#fff,#9ca3af)}.prose summary{font-family:Plus Jakarta Sans,sans-serif;font-weight:800;font-size:2.25rem;cursor:pointer;margin-top:3.5rem;margin-bottom:1.25rem;outline:none;display:inline-block;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-image:linear-gradient(135deg,#111,#4b5563)}html.dark .prose summary{background-image:linear-gradient(135deg,#fff,#9ca3af)}.prose details{border:1px solid var(--border-color);border-radius:.75rem;padding:1.5rem;margin:3.5rem 0;background-color:var(--bg-secondary);transition:all .3s cubic-bezier(.16,1,.3,1)}.prose details[open]{border-color:var(--accent-color)}.prose details .end-content-block{margin-top:1.5rem;padding:2rem 1.5rem;border-radius:.5rem;background-color:var(--bg-bg);border:1px solid var(--border-color);animation:slideDown .35s cubic-bezier(.16,1,.3,1) forwards;overflow:hidden}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.prose h2{font-size:1.85rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem;margin-top:4rem;display:block;-webkit-text-fill-color:initial;background-clip:initial;-webkit-background-clip:initial;background-image:none;position:relative}.prose h2:after{content:"";position:absolute;bottom:-1px;left:0;width:60px;height:2px;background:linear-gradient(90deg,#ea580c,#7c3aed)}html.dark .prose h2:after{background:linear-gradient(90deg,#fb923c,#a78bfa)}.prose h3{font-size:1.45rem;margin-top:3rem;background-image:linear-gradient(135deg,#059669,#0284c7)}html.dark .prose h3{background-image:linear-gradient(135deg,#34d399,#38bdf8)}.prose p{margin-bottom:1.75rem}.prose a{color:var(--accent-color);text-decoration:none;border-bottom:1px solid var(--border-color);font-weight:500;transition:all .2s ease}.prose a:hover{color:var(--text-primary);border-bottom-color:var(--text-primary)}.prose hr{border:none;border-top:1px solid var(--border-color);margin:4rem 0;position:relative}.prose hr:after{content:"✦ ✦ ✦";font-size:.85rem;color:var(--text-secondary);position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background-color:var(--bg-bg);padding:0 1rem;letter-spacing:.25em}.prose ul,.prose ol{margin-bottom:1.75rem;padding-left:1.75rem}.prose li{margin-bottom:.75rem}.prose code{font-family:JetBrains Mono,monospace;font-size:.85em;background-color:var(--code-bg);padding:.2em .4em;border-radius:.25em;border:1px solid var(--border-color);color:var(--accent-color)}.prose img{max-width:100%;height:auto;display:block;margin:3rem auto;border-radius:.5rem;border:1px solid var(--border-color);box-shadow:0 10px 30px #00000008;transition:transform .3s cubic-bezier(.16,1,.3,1)}.prose img:hover{transform:scale(1.015)}html.dark .prose img{box-shadow:0 10px 35px #0000004d}.prose strong{font-weight:700}.prose blockquote{border-left:4px solid var(--accent-color);padding-left:1.5rem;margin:2.5rem 0;font-style:italic;color:var(--text-secondary);font-size:1.25rem}.footer{border-top:1px solid var(--border-color);background-color:var(--bg-secondary);padding:5rem 1rem;text-align:center;font-size:.95rem;color:var(--text-secondary)}.footer-inner{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem}.footer-muted{font-size:.85rem;color:var(--text-secondary);opacity:.85}