:root{--color-bg: #ffffff;--color-text: #1a1a1a;--color-text-secondary: #6b7280;--color-accent: #4f46e5;--color-border: #e5e7eb;--color-card-bg: #f9fafb;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif: Georgia, "Times New Roman", serif;--max-width: 680px;--max-width-wide: 1200px}[data-theme=dark]{--color-bg: #0f0f0f;--color-text: #f0f0f0;--color-text-secondary: #a0a0a0;--color-accent: #818cf8;--color-border: #2a2a2a;--color-card-bg: #1a1a1a}*{box-sizing:border-box;margin:0;padding:0}html{font-size:18px;line-height:1.7}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin-bottom:.5em}h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.25rem}p{margin-bottom:1.5rem}a{color:var(--color-accent);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.container-wide{max-width:var(--max-width-wide);margin:0 auto;padding:0 1.5rem}.site-header{padding:2rem 0;border-bottom:1px solid var(--color-border);margin-bottom:3rem}.site-header .container{display:flex;justify-content:space-between;align-items:center}.site-title{font-size:1.5rem;font-weight:700;color:var(--color-text)}.site-title:hover{opacity:1}.site-nav{display:flex;gap:1.5rem}.site-nav a{color:var(--color-text-secondary);font-size:.95rem}.site-nav a:hover{color:var(--color-text)}.header-right{display:flex;align-items:center;gap:1.5rem}.theme-toggle{background:none;border:1px solid var(--color-border);border-radius:8px;padding:.5rem;cursor:pointer;color:var(--color-text);display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}.theme-toggle:hover{background:var(--color-card-bg);border-color:var(--color-text-secondary)}.hero{text-align:center;padding:4rem 0;border-bottom:1px solid var(--color-border);margin-bottom:3rem}.hero h1{font-family:var(--font-serif);font-size:3rem;margin-bottom:1rem}.hero p{color:var(--color-text-secondary);font-size:1.25rem;max-width:500px;margin:0 auto 2rem}.subscribe-form{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.subscribe-form input[type=email]{padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:6px;font-size:1rem;width:280px;max-width:100%;background:var(--color-bg);color:var(--color-text)}.subscribe-form input[type=email]:focus{outline:none;border-color:var(--color-accent)}.btn{padding:.75rem 1.5rem;background:var(--color-accent);color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .1s}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #4f46e54d}.post-list{list-style:none}.post-item{padding:2rem 0;border-bottom:1px solid var(--color-border)}.post-item:last-child{border-bottom:none}.post-meta{color:var(--color-text-secondary);font-size:.875rem;margin-bottom:.5rem}.post-title{font-family:var(--font-serif);font-size:1.75rem;margin-bottom:.75rem}.post-title a{color:var(--color-text)}.post-title a:hover{color:var(--color-accent)}.post-excerpt{color:var(--color-text-secondary);margin-bottom:1rem}.read-more{font-weight:600;font-size:.95rem}.post-header{text-align:center;margin-bottom:3rem}.post-header h1{font-family:var(--font-serif);font-size:2.75rem;margin-bottom:1rem}.post-content{font-family:var(--font-serif);font-size:1.1rem}.post-content h2{font-family:var(--font-sans);margin-top:2.5rem}.post-content blockquote{border-left:3px solid var(--color-accent);padding-left:1.5rem;margin:2rem 0;font-style:italic;color:var(--color-text-secondary)}.post-content pre{background:var(--color-card-bg);padding:1.5rem;border-radius:8px;overflow-x:auto;font-size:.9rem;margin:1.5rem 0}.post-content code{font-family:SF Mono,Monaco,Consolas,monospace}.post-content img{max-width:100%;height:auto;border-radius:8px;margin:2rem 0}.site-footer{padding:3rem 0;margin-top:4rem;border-top:1px solid var(--color-border);text-align:center;color:var(--color-text-secondary);font-size:.875rem}.about-content{display:flex;gap:3rem;align-items:flex-start;margin-bottom:3rem}.about-avatar{width:200px;height:200px;border-radius:50%;object-fit:cover;flex-shrink:0}.about-bio h1{font-family:var(--font-serif)}@media(max-width:768px){html{font-size:16px}.site-header .container{flex-direction:column;gap:1rem}.hero{padding:2.5rem 0}.hero h1{font-size:2rem}.hero p{font-size:1.1rem}.subscribe-form{flex-direction:column;align-items:center}.subscribe-form input[type=email]{width:100%}.post-title{font-size:1.5rem}.post-header h1{font-size:2rem}.about-content{flex-direction:column;align-items:center;text-align:center}.about-avatar{width:150px;height:150px}}@media(max-width:480px){.container{padding:0 1rem}.hero h1,.post-header h1{font-size:1.75rem}}