:root{--bg-page: #f3f4f8;--bg-card: #ffffff;--text: #1a1a1a;--text-muted: #6b7280;--text-subtle: #9ca3af;--border: #e5e7eb;--accent: #1a1a1a;--tag-bg: #f1f2f5;--tag-text: #6b7280;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--container-max: 720px;--container-pad: 1.5rem}[data-theme="dark"]{--bg-page: #0a0a0a;--bg-card: #121212;--text: #e5e5e5;--text-muted: #9ca3af;--text-subtle: #6b7280;--border: #262626;--accent: #f1f1f1;--tag-bg: #1f1f1f;--tag-text: #9ca3af}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;padding:0;background:var(--bg-page);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border)}.site-header__inner{max-width:var(--container-max);margin:0 auto;padding:1.25rem var(--container-pad);display:flex;align-items:center;justify-content:space-between;gap:1rem}.site-header__brand{font-weight:800;letter-spacing:0.08em;font-size:0.95rem;text-transform:uppercase;color:var(--text)}.site-header__nav{display:flex;align-items:center;gap:1.5rem;font-size:0.9rem;color:var(--text-muted)}.site-header__nav a{transition:color 0.15s ease}.site-header__nav a:hover{color:var(--text)}.theme-toggle{background:transparent;border:0;padding:0.25rem;margin:0;cursor:pointer;color:var(--text-muted);font-size:0.95rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:color 0.15s ease}.theme-toggle:hover{color:var(--text)}.theme-toggle__icon--light{display:none}[data-theme="dark"] .theme-toggle__icon--dark{display:none}[data-theme="dark"] .theme-toggle__icon--light{display:inline-block}.content{flex:1;background:var(--bg-card);max-width:var(--container-max);width:100%;margin:2rem auto;padding:3rem var(--container-pad);border-radius:2px}.page-title{font-size:1.75rem;font-weight:600;margin:0 0 3rem;text-align:center}.posts-index{margin:0 auto;max-width:560px}.post-list{list-style:none;padding:0;margin:0}.post-list__item{padding:2.5rem 0;border-bottom:1px solid var(--border)}.post-list__item:last-child{border-bottom:0}.post-list__item:first-child{padding-top:0}.post-list__date{display:block;font-size:0.8125rem;color:var(--text-muted);margin-bottom:0.75rem}.post-list__title{font-size:1.375rem;font-weight:600;margin:0 0 1rem;line-height:1.35}.post-list__title a{background-image:linear-gradient(var(--text), var(--text));background-size:100% 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size 0.2s ease}.post-list__title a:hover{background-size:100% 2px}.post-list__excerpt{color:var(--text-muted);font-size:0.95rem;margin-bottom:1rem}.post-list__read-more{display:inline-block;font-size:0.875rem;font-weight:500;color:var(--text);border-bottom:1px solid var(--text);padding-bottom:1px;margin-bottom:1.25rem}.post-list__read-more:hover{opacity:0.7}.tag-list{list-style:none;padding:0;margin:0.5rem 0 0;display:flex;flex-wrap:wrap;gap:0.5rem}.tag{font-size:0.6875rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--tag-text);background:var(--tag-bg);padding:0.375rem 0.75rem;border-radius:4px}.post{max-width:640px;margin:0 auto}.post__header{margin-bottom:2.5rem}.post__date{display:block;font-size:0.8125rem;color:var(--text-muted);margin-bottom:0.75rem}.post__title{font-size:2rem;font-weight:600;margin:0;line-height:1.25}.post__content{font-size:1rem;line-height:1.75;color:var(--text)}.post__content h2{font-size:1.35rem;margin-top:2.5rem;margin-bottom:0.75rem}.post__content h3{font-size:1.15rem;margin-top:2rem;margin-bottom:0.5rem}.post__content p{margin:0 0 1.25rem}.post__content a{border-bottom:1px solid currentColor}.post__content a:hover{opacity:0.7}.post__content code{font-family:var(--font-mono);font-size:0.875em;background:var(--tag-bg);padding:0.125rem 0.375rem;border-radius:3px}.post__content pre{background:var(--tag-bg);padding:1rem;border-radius:6px;overflow-x:auto;font-size:0.875rem}.post__content pre code{background:transparent;padding:0}.post__content blockquote{margin:1.5rem 0;padding-left:1rem;border-left:3px solid var(--border);color:var(--text-muted)}.post__content ul,.post__content ol{padding-left:1.5rem;margin:0 0 1.25rem}.post__content hr{border:0;border-top:1px solid var(--border);margin:2.5rem 0}.post__footer{margin-top:3rem}.post__nav{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border);font-size:0.875rem;color:var(--text-muted)}.post__nav a:hover{color:var(--text)}.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:2.5rem var(--container-pad);text-align:center}.social-links{display:flex;justify-content:center;gap:1.25rem;margin-bottom:1rem}.social-links__item{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1.05rem;transition:color 0.15s ease, transform 0.15s ease}.social-links__item:hover{color:var(--text);transform:translateY(-2px)}.site-footer__copy{margin:0;font-size:0.8125rem;color:var(--text-subtle)}@media (max-width: 600px){.site-header__inner{padding:1rem var(--container-pad)}.site-header__nav{gap:1rem;font-size:0.85rem}.site-header__nav a[href^="mailto:"]{display:none}.content{margin:1rem auto;padding:2rem var(--container-pad)}.page-title{margin-bottom:2rem}.post__title{font-size:1.625rem}}