*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}:root{--bg0:#0b0f14;--bg1:#0d1117;--fg:#e6edf3;--card:rgba(13,17,23,.78);--field:rgba(9,13,18,.96);--chip:hsla(0,0%,100%,.07);--bd:rgba(140,160,190,.32);--bd-strong:rgba(170,195,230,.45);--accent:#00ff9c;--muted:rgba(230,237,243,.72)}html[data-theme=light]{--bg0:#f6f8fc;--bg1:#eef2f7;--fg:#0b1220;--card:hsla(0,0%,100%,.92);--field:#fff;--chip:rgba(0,0,0,.07);--bd:rgba(0,0,0,.18);--bd-strong:rgba(0,0,0,.3);--accent:#00b36a;--muted:rgba(11,18,32,.68)}body{background:linear-gradient(180deg,var(--bg0),var(--bg1));color:var(--fg)}.app-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--bd);background:color-mix(in oklab,var(--card) 92%,transparent);position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.app-brand{display:grid;grid-gap:2px;gap:2px}.app-logo{font-weight:900;letter-spacing:.2px;display:inline-flex;align-items:center;gap:10px}.app-logo:after{content:"";width:8px;height:8px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(0,255,156,.14),0 0 18px rgba(0,255,156,.22);display:inline-block}.app-tag{font-size:12px;opacity:.75}.nav-main{display:flex;gap:10px;align-items:center;padding:6px;border-radius:999px;border:1px solid color-mix(in oklab,var(--bd) 70%,transparent);background:color-mix(in oklab,var(--chip) 70%,transparent)}.nav-link,.nav-trigger{position:relative;display:inline-flex;align-items:center;padding:9px 12px;border-radius:999px;font-size:13px;font-weight:800;color:var(--fg);text-decoration:none;opacity:.92;cursor:pointer;transition:background .16s ease,opacity .16s ease,transform .16s ease}.nav-link:hover,.nav-trigger:hover{opacity:1;background:color-mix(in oklab,var(--chip) 92%,transparent)}.nav-link:active,.nav-trigger:active{transform:translateY(1px)}.nav-item>.nav-trigger{padding-right:22px}.nav-item>.nav-trigger:before{content:"▾";position:absolute;right:10px;top:50%;transform:translateY(-52%);font-size:12px;opacity:.7}.nav-link:after,.nav-trigger:after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:999px;background:color-mix(in oklab,var(--accent) 70%,transparent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;opacity:.9}.nav-link:hover:after,.nav-trigger:hover:after{transform:scaleX(1)}.mega-menu{top:calc(100% + 10px);left:0;min-width:260px;display:none;padding:12px;border-radius:16px;border:1px solid var(--bd);box-shadow:0 24px 70px rgba(0,0,0,.38);z-index:200;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mega-menu,.mega-menu:before{position:absolute;background:var(--card)}.mega-menu:before{content:"";top:-8px;left:22px;width:14px;height:14px;border-left:1px solid var(--bd);border-top:1px solid var(--bd);transform:rotate(45deg)}.nav-item:hover .mega-menu{display:grid;grid-gap:10px;gap:10px}.mega-menu a{text-decoration:none;color:var(--fg);font-size:13px;font-weight:750;opacity:.9;padding:10px;border-radius:12px;transition:background .16s ease,opacity .16s ease,transform .16s ease}.mega-menu a:hover{opacity:1;background:color-mix(in oklab,var(--chip) 92%,transparent);transform:translateX(2px)}.nav-right{display:flex;align-items:center}@media (max-width:860px){.app-tag{display:none}.nav-main{gap:6px;padding:4px}.nav-link,.nav-trigger{padding:8px 10px}}.app-main{padding:0}.grid-noise{position:relative;overflow:hidden}.grid-noise:before{content:"";position:absolute;inset:0;background-image:radial-gradient(hsla(0,0%,100%,.045) 1px,transparent 0),radial-gradient(rgba(0,255,156,.03) 1px,transparent 0);background-size:22px 22px,44px 44px;background-position:0 0,10px 10px;pointer-events:none;opacity:.45}.neon-card{border:1px solid var(--bd);background:hsla(0,0%,100%,.03);box-shadow:0 18px 60px rgba(0,0,0,.28);border-radius:14px}.neon-button{border:1px solid rgba(0,255,156,.25);background:rgba(0,0,0,.14);box-shadow:0 0 0 1px rgba(0,255,156,.08),0 0 22px rgba(0,255,156,.08)}.neon-button:hover{border-color:rgba(0,255,156,.38)}.page-wrap{max-width:1100px;margin:0 auto;padding:36px 20px 60px}.page-header{margin-bottom:28px}.page-header h1{margin:0;font-size:28px;font-weight:900;letter-spacing:.2px}.page-header p{margin-top:8px;max-width:720px;font-size:14px;line-height:1.7;color:var(--muted)}.info-card h2,.tool-section h2{margin-bottom:14px;font-size:18px;font-weight:800}.tool-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.tool-card{display:block;padding:16px;border-radius:14px;border:1px solid var(--bd);background:var(--card);text-decoration:none;color:var(--fg);box-shadow:0 14px 40px rgba(0,0,0,.25);transition:border-color .15s ease,transform .15s ease}.tool-card h3{margin:0;font-size:14px;font-weight:800}.tool-card p{margin-top:6px;font-size:13px;line-height:1.6;color:var(--muted)}.tool-card:hover{border-color:var(--accent);transform:translateY(-2px)}.info-card{margin-top:36px;padding:20px;border-radius:14px;border:1px solid var(--bd);background:var(--card);box-shadow:0 14px 40px rgba(0,0,0,.22)}.info-card p{font-size:13px;line-height:1.8;color:var(--muted)}.home-wrap{max-width:1200px;margin:0 auto;padding:56px 24px 80px}.home-hero{max-width:760px;margin-bottom:64px}.home-hero h1{font-size:36px;font-weight:900;letter-spacing:.3px;margin:0}.home-hero p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted)}.home-actions{margin-top:26px;display:flex;gap:14px}.primary-btn,.secondary-btn{padding:12px 18px;border-radius:14px;font-size:13px;font-weight:800;text-decoration:none}.primary-btn{background:var(--accent);color:#000}.secondary-btn{border:1px solid var(--bd);color:var(--fg)}.home-section{margin-top:64px}.home-section h2{font-size:22px;font-weight:900;margin-bottom:22px}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:20px;gap:20px}.category-card{padding:22px;border-radius:16px;background:var(--card);border:1px solid var(--bd);text-decoration:none;color:var(--fg);box-shadow:0 18px 48px rgba(0,0,0,.25);transition:transform .15s ease,border-color .15s ease}.category-card h3{margin:0;font-size:16px;font-weight:900}.category-card p{margin-top:10px;font-size:13px;line-height:1.7;color:var(--muted)}.category-card:hover{transform:translateY(-3px);border-color:var(--accent)}.popular-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px}.popular-grid a{padding:12px 14px;border-radius:12px;border:1px solid var(--bd);background:var(--card);text-decoration:none;font-size:13px;font-weight:700;color:var(--fg)}.popular-grid a:hover{border-color:var(--accent)}.home-note{margin-top:72px;max-width:720px;font-size:13px;line-height:1.8;color:var(--muted)}.blog-preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:18px;gap:18px}.blog-preview{padding:18px;border-radius:14px;border:1px solid var(--bd);background:var(--card);text-decoration:none;color:var(--fg);transition:border-color .15s ease,transform .15s ease}.blog-preview h3{margin:0;font-size:15px;font-weight:800}.blog-preview p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--muted)}.blog-preview:hover{border-color:var(--accent);transform:translateY(-2px)}.blog-layout{display:grid;grid-template-columns:1fr 300px;grid-gap:36px;gap:36px}.blog-list{display:grid;grid-gap:26px;gap:26px}.blog-card h2{margin:0;font-size:18px;font-weight:900}.blog-card h2 a{text-decoration:none;color:var(--fg)}.blog-card p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted)}.blog-sidebar{display:grid;grid-gap:20px;gap:20px}.sidebar-card{padding:18px;border-radius:14px;border:1px solid var(--bd);background:var(--card)}.sidebar-card h3{margin:0 0 10px;font-size:14px;font-weight:900}.sidebar-card ul{margin:0;padding-left:16px}.sidebar-card li{margin-bottom:8px}.sidebar-card a{font-size:13px;color:var(--fg);text-decoration:none}.sidebar-card a:hover{text-decoration:underline}.blog-post{max-width:820px;margin:0 auto;padding:48px 20px 80px}.post-header h1{font-size:32px;font-weight:900;line-height:1.3;margin:0}.post-meta{margin-top:10px;font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center}.post-intro{margin-top:18px;font-size:15px;line-height:1.8;color:var(--muted)}.post-content{margin-top:36px;font-size:15px;line-height:1.85}.post-content h2{margin-top:36px;margin-bottom:12px;font-size:20px;font-weight:900}.post-content ul{padding-left:20px}.post-content li{margin-bottom:8px}.post-content a{color:var(--accent);text-decoration:none}.eyebrow,.post-kicker{display:inline-flex;width:-moz-fit-content;width:fit-content;border:1px solid rgba(0,255,156,.28);border-radius:999px;padding:5px 9px;color:rgba(0,255,156,.92);background:rgba(0,255,156,.06);font-size:11px;font-weight:900;text-transform:uppercase}.blog-index-header h1{max-width:780px;line-height:1.15}.featured-post{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);grid-gap:26px;gap:26px;align-items:center;margin-bottom:34px;padding:16px;border:1px solid var(--bd);border-radius:8px;background:var(--card);color:var(--fg);text-decoration:none;box-shadow:0 18px 48px rgba(0,0,0,.24)}.article-hero-image img,.blog-card-image img,.featured-post img,.related-card img{display:block;width:100%;object-fit:cover;background:hsla(0,0%,100%,.04)}.featured-post img{aspect-ratio:16/9;border-radius:8px}.featured-post h2{margin:12px 0 10px;font-size:28px;line-height:1.2}.featured-post p{color:var(--muted);font-size:14px;line-height:1.75}.blog-meta,.post-meta-line{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:12px}.blog-card{display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:16px;gap:16px;border:1px solid var(--bd);border-radius:8px;background:var(--card);overflow:hidden}.blog-card-image img{height:100%;min-height:190px}.blog-card-body{padding:18px 18px 18px 0}.blog-card h2{margin-top:10px;line-height:1.28}.topic-list{display:flex;flex-wrap:wrap;gap:8px}.tag,.topic-list a{border:1px solid var(--bd);border-radius:999px;padding:7px 10px;background:hsla(0,0%,100%,.04);color:var(--fg);text-decoration:none;font-size:12px;font-weight:800}.tag:hover,.topic-list a.active,.topic-list a:hover{border-color:rgba(0,255,156,.45)}.sidebar-card p{color:var(--muted);font-size:13px;line-height:1.7}.blog-article{max-width:860px;margin:0 auto}.back-link{display:inline-flex;margin-bottom:16px;color:var(--muted);font-size:13px;text-decoration:none}.blog-header h1{margin:14px 0 12px;font-size:38px;line-height:1.12;font-weight:950}.blog-excerpt{max-width:780px;color:var(--muted);font-size:16px;line-height:1.8}.article-hero-image{margin:28px 0 34px}.article-hero-image img{aspect-ratio:16/9;border:1px solid var(--bd);border-radius:8px}.blog-content{color:var(--fg);font-size:16px;line-height:1.85}.blog-content h2{margin-top:38px;margin-bottom:12px;font-size:24px;line-height:1.25}.blog-content h3{margin-top:28px;font-size:18px}.blog-content li,.blog-content p{color:var(--muted)}.blog-content table{width:100%;margin:20px 0;border-collapse:collapse;overflow:hidden;border:1px solid var(--bd);border-radius:8px}.blog-content td,.blog-content th{border-bottom:1px solid var(--bd);padding:11px;text-align:left}.blog-content th{color:var(--fg);background:hsla(0,0%,100%,.05)}.blog-content code{border:1px solid hsla(0,0%,100%,.1);border-radius:6px;padding:2px 5px;background:rgba(0,0,0,.16);color:var(--fg)}.blog-content pre{overflow-x:auto;border:1px solid var(--bd);border-radius:8px;padding:14px;background:rgba(0,0,0,.18)}.blog-footer{margin-top:32px;padding-top:18px;border-top:1px solid var(--bd)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.related-posts{max-width:980px;margin:44px auto 0}.related-posts h2{font-size:22px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.related-card{border:1px solid var(--bd);border-radius:8px;background:var(--card);color:var(--fg);text-decoration:none;overflow:hidden}.related-card img{aspect-ratio:16/9}.related-card h3,.related-card span{display:block;margin:12px 14px}.related-card span{color:var(--muted);font-size:12px;text-transform:uppercase}.related-card h3{font-size:15px;line-height:1.35}@media (max-width:900px){.blog-card,.blog-layout,.featured-post{grid-template-columns:1fr}.blog-card-body{padding:18px}.blog-card-image img{height:auto;aspect-ratio:16/9}.blog-header h1{font-size:30px}}.post-content a:hover{text-decoration:underline}.post-cta{margin-top:48px;padding:22px;border-radius:16px;background:var(--card);border:1px solid var(--bd)}.post-cta p{font-size:14px;margin-bottom:14px}.cta-btn{display:inline-block;padding:12px 18px;border-radius:14px;background:var(--accent);color:#000;font-weight:800;font-size:13px;text-decoration:none}.post-footer{margin-top:52px;font-size:12px;color:var(--muted);border-top:1px solid var(--bd);padding-top:16px}.app-logo{position:relative;font-weight:950;letter-spacing:.4px;text-decoration:none;color:var(--fg);text-shadow:0 0 10px rgba(0,255,156,.18),0 0 22px rgba(0,255,156,.14)}.app-logo:before{content:attr(data-brand);position:absolute;inset:0;pointer-events:none;color:transparent;background:linear-gradient(90deg,rgba(0,255,156,0),rgba(0,255,156,.55),rgba(0,255,156,0));-webkit-background-clip:text;background-clip:text;filter:blur(.2px);opacity:.65;transform:translateX(-25%);animation:brandSweep 2.6s ease-in-out infinite}@keyframes brandSweep{0%{transform:translateX(-35%);opacity:.35}50%{transform:translateX(35%);opacity:.85}to{transform:translateX(-35%);opacity:.35}}.app-logo:hover{text-shadow:0 0 12px rgba(0,255,156,.3),0 0 28px rgba(0,255,156,.22),0 0 44px rgba(0,255,156,.14)}.nav-item{position:relative}.nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;height:14px;background:transparent}.mega-menu{top:calc(100% + 6px)!important}.nav-item:focus-within .mega-menu,.nav-item:hover .mega-menu{display:grid}.site-footer{border-top:1px solid var(--bd);background:color-mix(in oklab,var(--card) 92%,transparent)}.site-footer-inner{max-width:1100px;margin:0 auto;padding:28px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;grid-gap:18px;gap:18px}.footer-brand{font-weight:950;letter-spacing:.2px;margin-bottom:6px}.footer-muted{color:var(--muted);font-size:13px;line-height:1.6}.footer-title{font-weight:900;margin-bottom:10px;font-size:13px}.site-footer a{display:block;color:var(--fg);text-decoration:none;font-size:13px;opacity:.9;margin:8px 0}.site-footer a:hover{opacity:1;text-decoration:underline}@media (max-width:860px){.site-footer-inner{grid-template-columns:1fr 1fr}}.rfact-shell{padding:22px;border-radius:16px}.rfact-wrap{display:grid;place-items:center}.rfact-card{width:min(720px,100%);border:1px solid var(--bd);background:var(--card);border-radius:16px;padding:18px;box-shadow:0 18px 55px rgba(0,0,0,.25)}.rfact-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.rfact-badge{font-size:12px;font-weight:900;letter-spacing:.2px;padding:7px 10px;border-radius:999px;border:1px solid color-mix(in oklab,var(--accent) 35%,var(--bd));background:color-mix(in oklab,var(--chip) 70%,transparent)}.rfact-meta{font-size:12px;color:var(--muted);font-weight:700}.rfact-fact{min-height:140px;padding:16px;border-radius:14px;border:1px solid var(--bd);background:var(--field);color:var(--fg);line-height:1.8;font-size:14px;white-space:pre-wrap}.rfact-actions{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.rfact-btn{border-radius:14px;padding:11px 14px;font-size:13px;font-weight:900;border:1px solid var(--bd);cursor:pointer;color:var(--fg);background:color-mix(in oklab,var(--chip) 85%,transparent);transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease}.rfact-btn:active{transform:translateY(1px)}.rfact-primary{border-color:color-mix(in oklab,var(--accent) 40%,var(--bd));box-shadow:0 0 0 1px rgba(0,255,156,.08),0 0 26px rgba(0,255,156,.08)}.rfact-primary:hover{border-color:var(--accent)}.rfact-secondary:hover{border-color:var(--bd-strong)}.rfact-btn:disabled{opacity:.6;cursor:not-allowed}.rfact-error{margin-top:10px;font-size:12px;font-weight:800;color:#ff6b6b}.rfact-footnote{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.6}.rfact-footnote span{font-weight:900;color:var(--fg)}.private-notepad-page{max-width:1180px}.notepad-hero{margin-bottom:18px}.notepad-badge{border:1px solid rgba(0,255,156,.28);border-radius:999px;color:var(--accent);display:inline-flex;font-size:12px;font-weight:900;margin:0 0 12px;padding:6px 10px;text-transform:uppercase}.notepad-helper{color:var(--fg);font-weight:800}.notepad-faq-list{display:grid;grid-gap:10px;gap:10px}.notepad-faq-list details{border:1px solid var(--bd);border-radius:8px;background:var(--field);padding:12px}.notepad-faq-list summary{color:var(--fg);cursor:pointer;font-size:14px;font-weight:900}.notepad-faq-list p{color:var(--muted);font-size:13px;line-height:1.8;margin:10px 0 0}