/* Auto-generated from theme: tech-blue — v2.0 */
:root{--color-primary:#2563EB;--color-primary-light:#3B82F6;--color-accent:#06B6D4;--color-accent-light:#22D3EE;--color-bg:#F8FAFC;--color-surface:#FFFFFF;--color-surface-alt:#F1F5F9;--color-text:#0F172A;--color-text-secondary:#475569;--color-text-muted:#94A3B8;--color-border:#E2E8F0;--color-border-light:#F1F5F9;--color-link:#2563EB;--color-link-hover:#1D4ED8;--font-heading:Inter;--font-body:Inter;--font-mono:'JetBrains Mono', monospace;--max-width:1200px;--content-width:780px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-card:0 1px 3px rgba(0,0,0,0.08);--shadow-hover:0 4px 12px rgba(0,0,0,0.12)}
[data-theme="dark"]{--color-bg:#1a1a2e;--color-surface:#222240;--color-surface-alt:#2a2a4a;--color-text:#e8e8f0;--color-text-secondary:#b0b0c0;--color-text-muted:#808098;--color-border:#3a3a5a;--color-border-light:#2e2e4e;--color-link:#90c070;--color-link-hover:#daa520;--color-primary:#3a7020;--color-primary-light:#4a8830}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.7;transition:background .3s,color .3s}
a{color:var(--color-link);text-decoration:none;transition:color .2s}a:hover{color:var(--color-link-hover)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.3;color:var(--color-text)}
h1{font-size:2.25rem;font-weight:700}h2{font-size:1.75rem;font-weight:600;margin-top:2rem}h3{font-size:1.35rem;font-weight:600;margin-top:1.5rem}
.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.content-width{max-width:var(--content-width)}
.reading-progress-container{position:fixed;top:0;left:0;width:100%;height:3px;z-index:1000;background:transparent}
.reading-progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--color-accent),var(--color-accent-light));transition:width .1s linear}
.site-header{background:var(--color-primary);padding:1rem 0;position:sticky;top:3px;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.site-logo{color:#fff;font-family:var(--font-heading);font-size:1.4rem;font-weight:700}
.site-logo span{color:var(--color-accent-light);margin-left:.25rem}
.site-nav{display:flex;align-items:center;gap:1.25rem}
.site-nav a{color:rgba(255,255,255,.85);font-size:.95rem;font-weight:500}.site-nav a:hover{color:var(--color-accent-light)}
.theme-toggle,.search-btn{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.35rem .6rem;border-radius:var(--radius-sm);cursor:pointer;transition:border-color .2s}
.theme-toggle:hover,.search-btn:hover{border-color:var(--color-accent-light)}
.search-btn{font-size:.85rem;display:flex;align-items:center;gap:.3rem}
.search-btn kbd{font-size:.7rem;background:rgba(255,255,255,.15);padding:.1rem .3rem;border-radius:3px}
.hero{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));color:#fff;padding:4rem 0 3.5rem;text-align:center}
.hero h1{font-size:2.75rem;margin-bottom:.75rem;color:#fff}.hero p{font-size:1.15rem;opacity:.9;max-width:600px;margin:0 auto}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem}
.article-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .2s,transform .2s}
.article-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.article-card img{width:100%;height:200px;object-fit:cover}
.article-card-body{padding:1.25rem}
.article-card-body h3{font-size:1.15rem;margin-bottom:.5rem}
.article-card-body h3 a{color:var(--color-text)}.article-card-body h3 a:hover{color:var(--color-link-hover)}
.article-card-body p{color:var(--color-text-secondary);font-size:.92rem;line-height:1.5}
.article-meta{display:flex;flex-wrap:wrap;gap:.75rem;font-size:.82rem;color:var(--color-text-muted);margin-bottom:.5rem;align-items:center}
.category-badge{display:inline-block;background:var(--color-primary);color:#fff;padding:.15rem .6rem;border-radius:100px;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.tag-badge{display:inline-block;background:var(--color-surface-alt);color:var(--color-text-secondary);padding:.2rem .6rem;border-radius:100px;font-size:.78rem;border:1px solid var(--color-border-light);transition:background .2s}
.tag-badge:hover{background:var(--color-accent-light);color:var(--color-primary)}
.article-page{padding:2.5rem 0 3rem}.article-header{margin-bottom:2rem}.article-header h1{margin:.75rem 0}
.article-content{font-size:1.05rem;line-height:1.8}
.article-content h2{margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--color-border-light)}
.article-content h3{margin-top:1.75rem}
.article-content p{margin:1rem 0}
.article-content ul,.article-content ol{margin:1rem 0;padding-left:1.5rem}
.article-content li{margin:.4rem 0}
.article-content blockquote{border-left:4px solid var(--color-accent);background:var(--color-surface);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-content pre{background:#1e1e1e;color:#d4d4d4;padding:1.25rem;border-radius:var(--radius-md);overflow-x:auto;margin:1.5rem 0}
.article-content code{font-family:var(--font-mono);font-size:.9em}
.article-content p code{background:var(--color-surface-alt);padding:.15rem .4rem;border-radius:var(--radius-sm)}
.table-wrap{overflow-x:auto;margin:1.5rem 0}
.article-content table{width:100%;border-collapse:collapse}
.article-content th,.article-content td{padding:.75rem 1rem;border:1px solid var(--color-border);text-align:left}
.article-content th{background:var(--color-primary);color:#fff;font-weight:600}
.article-content tr:nth-child(even){background:var(--color-surface)}
.toc{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin:1.5rem 0 2rem}
.toc h4{font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:.75rem}
.toc ul{list-style:none;padding:0}.toc li{margin:.3rem 0}.toc li.toc-h3{padding-left:1rem}
.toc a{color:var(--color-text-secondary);font-size:.92rem}.toc a:hover{color:var(--color-accent)}
.related-articles{margin-top:3rem;padding-top:2rem;border-top:2px solid var(--color-border-light)}
.related-articles h2{font-size:1.5rem;margin-bottom:1rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.key-takeaways{background:var(--color-surface);border-left:4px solid var(--color-accent);padding:1.25rem;border-radius:0 var(--radius-md) var(--radius-md) 0;margin:1.5rem 0}
.key-takeaways h3{margin-top:0;font-size:1.1rem;color:var(--color-accent)}
.key-takeaways ul{padding-left:1.25rem;margin:.5rem 0 0}
.key-takeaways li{margin:.3rem 0}
.faq-item{margin:.75rem 0;padding:.75rem;background:var(--color-surface);border-radius:var(--radius-sm)}
.faq-item summary{cursor:pointer;font-weight:600}
.faq-item p{margin-top:.5rem;color:var(--color-text-secondary)}
.search-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1000;align-items:flex-start;justify-content:center;padding-top:10vh}
.search-overlay.active{display:flex}
.search-box{background:var(--color-bg);border-radius:var(--radius-lg);width:90%;max-width:640px;max-height:70vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.search-header{display:flex;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--color-border);gap:.75rem}
.search-header input{flex:1;border:none;background:none;font-size:1.1rem;color:var(--color-text);outline:none;font-family:var(--font-body)}
.search-close{background:none;border:none;color:var(--color-text-muted);cursor:pointer;font-size:.85rem;padding:.25rem .5rem;border-radius:var(--radius-sm)}.search-close:hover{background:var(--color-surface)}
.search-results-list{overflow-y:auto;padding:.5rem}
.search-result-item{display:block;padding:.75rem 1rem;border-radius:var(--radius-sm);color:var(--color-text);text-decoration:none;transition:background .15s}
.search-result-item:hover{background:var(--color-surface)}
.search-result-item h3{font-size:1rem;margin:.25rem 0;font-family:var(--font-heading)}
.search-result-item p{font-size:.85rem;color:var(--color-text-secondary);margin:0}
.search-result-meta{display:flex;gap:.5rem;align-items:center;font-size:.78rem}
.search-hint{text-align:center;color:var(--color-text-muted);padding:2rem;font-size:.95rem}
mark{background:var(--color-accent-light);color:var(--color-primary);padding:0 .15rem;border-radius:2px}
.newsletter-section{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));color:#fff;padding:3rem 0;margin-top:3rem;text-align:center}
.newsletter-section h2{color:#fff;margin-bottom:.5rem}.newsletter-section p{opacity:.9;margin-bottom:1.5rem}
.newsletter-form{display:flex;gap:.5rem;max-width:480px;margin:0 auto}
.newsletter-form input{flex:1;padding:.75rem 1rem;border:2px solid rgba(255,255,255,.3);border-radius:var(--radius-sm);background:rgba(255,255,255,.1);color:#fff;font-size:1rem;font-family:var(--font-body)}
.newsletter-form input::placeholder{color:rgba(255,255,255,.6)}
.newsletter-form button{padding:.75rem 1.5rem;background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;font-size:1rem;transition:background .2s}
.newsletter-form button:hover{background:var(--color-accent-light)}
.site-footer{background:var(--color-primary);color:#fff;padding:2rem 0;text-align:center}
.site-footer a{color:var(--color-accent-light)}.site-footer p{font-size:.9rem;opacity:.8}
.section-header{display:flex;align-items:center;gap:1rem;margin:3rem 0 1.5rem}
.section-header h2{margin:0;white-space:nowrap}.gold-rule{flex:1;height:2px;background:linear-gradient(90deg,var(--color-accent),transparent)}
.back-to-top{position:fixed;bottom:2rem;right:2rem;background:var(--color-primary);color:#fff;width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(10px);transition:opacity .3s,transform .3s;z-index:50;box-shadow:var(--shadow-card)}
.back-to-top.visible{opacity:1;transform:translateY(0)}.back-to-top:hover{background:var(--color-primary-light)}
.error-page{text-align:center;padding:6rem 1.5rem}
.error-page h1{font-size:6rem;color:var(--color-accent);margin-bottom:.5rem}
.error-page p{font-size:1.2rem;color:var(--color-text-secondary);margin-bottom:2rem}
.error-page a{display:inline-block;background:var(--color-primary);color:#fff;padding:.75rem 2rem;border-radius:var(--radius-md);font-weight:600}
@media(max-width:768px){.hero h1{font-size:2rem}.hero{padding:3rem 0 2.5rem}.article-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.site-nav{gap:.75rem;font-size:.85rem}h1{font-size:1.75rem}.newsletter-form{flex-direction:column}.search-box{width:95%}.toc{display:none}}
@media(max-width:480px){.site-header .container{flex-wrap:wrap;gap:.5rem}.search-btn kbd{display:none}}