:root{--bg: #ffffff;--bg-soft: #f6f8f8;--surface: #ffffff;--border: #e3e8e8;--text: #2c3e50;--text-soft: #5a6b7b;--heading: #2c3e50;--primary: #18967f;--primary-hover: #12735f;--accent-bg: #e7f4f0;--shadow: 0 1px 3px rgba(44, 62, 80, .08), 0 6px 20px rgba(44, 62, 80, .06);--radius: 12px;--maxw: 820px;--maxw-wide: 1100px}:root[data-theme=dark]{--bg: #14181c;--bg-soft: #1b2127;--surface: #1b2127;--border: #2b333b;--text: #d7dee4;--text-soft: #9aa7b2;--heading: #f0f4f7;--primary: #4ec7ae;--primary-hover: #6fd6c1;--accent-bg: #17322c;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #14181c;--bg-soft: #1b2127;--surface: #1b2127;--border: #2b333b;--text: #d7dee4;--text-soft: #9aa7b2;--heading: #f0f4f7;--primary: #4ec7ae;--primary-hover: #6fd6c1;--accent-bg: #17322c;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Lato,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;display:flex;flex-direction:column;min-height:100vh}h1,h2,h3,h4{color:var(--heading);line-height:1.25;font-weight:700;margin:2rem 0 .75rem}h1{font-size:2.1rem}h2{font-size:1.55rem}h3{font-size:1.25rem}p{margin:0 0 1.1rem}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover);text-decoration:underline}img{max-width:100%;height:auto}hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.86em;background:var(--bg-soft);padding:.15em .4em;border-radius:5px}pre{padding:1rem 1.15rem;border-radius:var(--radius);overflow-x:auto;border:1px solid var(--border);font-size:.92rem;line-height:1.55}pre code{background:none;padding:0;font-size:inherit}blockquote{margin:1.2rem 0;padding:.4rem 1.1rem;border-left:4px solid var(--primary);background:var(--bg-soft);color:var(--text-soft);border-radius:0 8px 8px 0}table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.95rem}th,td{padding:.55rem .8rem;border:1px solid var(--border);text-align:left}th{background:var(--bg-soft);font-weight:700}iframe{max-width:100%;border:none;border-radius:8px}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.container-wide{width:100%;max-width:var(--maxw-wide);margin:0 auto;padding:0 1.25rem}main{flex:1 0 auto;width:100%;padding:2.5rem 0 4rem}.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--maxw-wide);margin:0 auto;padding:.7rem 1.25rem;display:flex;align-items:center;gap:1.25rem}.nav-brand{font-weight:800;font-size:1.15rem;color:var(--heading);letter-spacing:-.01em}.nav-brand:hover{text-decoration:none;color:var(--primary)}.nav-links{display:flex;gap:1.1rem;margin-left:auto;align-items:center}.nav-links a{color:var(--text-soft);font-weight:600;font-size:.98rem}.nav-links a:hover,.nav-links a.active{color:var(--primary);text-decoration:none}.theme-toggle{background:none;border:1px solid var(--border);color:var(--text-soft);width:36px;height:36px;border-radius:9px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem;transition:border-color .15s,color .15s}.theme-toggle:hover{color:var(--primary);border-color:var(--primary)}.footer{flex-shrink:0;border-top:1px solid var(--border);color:var(--text-soft);font-size:.9rem;padding:1.75rem 0}.footer-inner{max-width:var(--maxw-wide);margin:0 auto;padding:0 1.25rem;display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;justify-content:space-between}.footer a{color:var(--text-soft)}.footer a:hover{color:var(--primary)}.page-header{margin-bottom:1.75rem}.page-header h1{margin-top:0}.page-header p{color:var(--text-soft)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--primary) 45%,var(--border))}.card a.card-cover{display:block}.card-img{aspect-ratio:16 / 9;width:100%;object-fit:cover;background:var(--bg-soft);display:block}.card-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}.card-date{font-size:.8rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.04em}.card-title{font-size:1.15rem;margin:.35rem 0 .5rem;line-height:1.3}.card-title a{color:var(--heading)}.card-title a:hover{color:var(--primary);text-decoration:none}.card-desc{color:var(--text-soft);font-size:.95rem;margin:0 0 .9rem;flex:1}.card-ext{font-size:.78rem;color:var(--primary);font-weight:700}.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto}.tag{font-size:.72rem;font-weight:700;padding:.2rem .55rem;border-radius:999px;background:var(--accent-bg);color:var(--primary);border:none;cursor:pointer;letter-spacing:.02em}button.tag:hover,.tag.is-active{background:var(--primary);color:#fff}.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.75rem;align-items:center}.filter-bar .filter-label{font-size:.85rem;color:var(--text-soft);margin-right:.25rem;font-weight:600}.post-header{margin-bottom:1.5rem}.post-header h1{margin-bottom:.5rem}.post-meta{color:var(--text-soft);font-size:.95rem;display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center}.post-hero{width:100%;border-radius:var(--radius);margin:1.25rem 0 .5rem;box-shadow:var(--shadow)}.article-body img{border-radius:8px}.article-body figure{margin:1.5rem 0}.article-body figcaption{font-size:.85rem;color:var(--text-soft);text-align:center;margin-top:.4rem}.callout{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:.4rem 1rem;margin:1.2rem 0;font-size:.95rem;color:var(--text-soft)}.back-link{display:inline-block;margin-bottom:1.25rem;font-weight:600;font-size:.95rem}.hero-img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}.hero-caption{text-align:center;color:var(--text-soft);font-size:.9rem;margin-top:.6rem}.home-title{text-align:center;margin-top:2rem}.home-title h1{font-size:2.6rem;margin-bottom:.25rem}.home-title .subtitle{color:var(--primary);font-weight:700;font-size:1.15rem;letter-spacing:.02em}.about-head{display:flex;gap:1.5rem;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap}.about-photo{width:150px;height:150px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow)}@media(max-width:640px){body{font-size:17px}h1{font-size:1.8rem}.home-title h1{font-size:2rem}.nav-links{gap:.8rem}.nav-brand{font-size:1rem}}