:root,[data-theme=light]{--color-primary:#f65a5a;--color-primary-light:#ff8585;--color-accent:#ffa07a;--color-heading:#f65a5a;--color-dark:#1a1a2e;--color-cream:#f7f3ea;--color-bg:#fefcf9;--color-surface:#fff;--color-text:#1a1a1a;--color-text-light:#556;--color-border:#e8e4dd;--header-bg:#ffffffeb;--footer-bg:#1a1a2e;--footer-text:#ffffffb3;--radius:16px;--max-width:720px}[data-theme=dark]{--color-primary:#ff7070;--color-primary-light:#f99;--color-accent:#ffb89a;--color-heading:#ff7070;--color-dark:#f0f0f5;--color-cream:#1e1e2e;--color-bg:#0f0f1a;--color-surface:#1a1a2e;--color-text:#e0e0e8;--color-text-light:#99a;--color-border:#2a2a3e;--header-bg:#0f0f1aeb;--footer-bg:#0a0a14;--footer-text:#ffffff80}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:Nunito,system-ui,sans-serif;line-height:1.7;transition:background .3s,color .3s}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-primary-light)}.site-header{border-bottom:1px solid var(--color-border);z-index:100;backdrop-filter:blur(12px);background:var(--header-bg);padding:.75rem 0;transition:background .3s;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:1rem;max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex}.header-left{align-items:center;gap:.75rem;display:flex}.logo-link{align-items:center;gap:.5rem;display:flex}.logo-img{width:auto;height:32px}.logo-img.dark-only,[data-theme=dark] .logo-img.light-only{display:none}[data-theme=dark] .logo-img.dark-only{display:block}.logo-text{color:var(--color-primary);font-size:1.1rem;font-weight:800}.logo-text span{color:var(--color-dark);font-weight:600}.header-nav{align-items:center;gap:.75rem;display:flex}.nav-link{color:var(--color-text-light);font-size:.85rem;font-weight:700;transition:color .2s}.nav-link:hover{color:var(--color-primary)}.nav-btn-outline{color:var(--color-text);border:1.5px solid var(--color-border);background:var(--color-surface);border-radius:999px;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.82rem;font-weight:700;transition:border-color .2s,color .2s,transform .15s;display:inline-flex}.nav-btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-1px)}.nav-btn-outline svg{width:16px;height:16px}.header-cta{background:var(--color-primary);border-radius:50px;padding:.45rem 1.1rem;font-size:.82rem;font-weight:700;transition:transform .2s,box-shadow .2s;color:#fff!important}.header-cta:hover{transform:translateY(-1px);box-shadow:0 4px 16px #f65a5a4d}.theme-toggle{border:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-size:1rem;transition:border-color .2s,transform .2s;display:flex}.theme-toggle:hover{border-color:var(--color-primary);transform:scale(1.1)}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,[data-theme=dark] .theme-toggle .icon-sun{display:inline}[data-theme=dark] .theme-toggle .icon-moon{display:none}main{max-width:1100px;margin:0 auto;padding:2rem 1.5rem 4rem}.site-footer{background:var(--footer-bg);color:var(--footer-text);text-align:center;padding:2.5rem 1.5rem;font-size:.875rem;transition:background .3s}.site-footer a{color:var(--color-primary-light)}.article-content h2{color:var(--color-heading);margin:2.5rem 0 1rem;font-size:1.6rem;font-weight:800;line-height:1.3}.article-content h3{color:var(--color-heading);margin:2rem 0 .75rem;font-size:1.3rem;font-weight:700}.article-content p{color:var(--color-text);margin-bottom:1.25rem;font-size:1.05rem}.article-content ul,.article-content ol{margin:1rem 0 1.5rem 1.5rem}.article-content li{color:var(--color-text);margin-bottom:.5rem}.article-content strong{color:var(--color-dark)}.article-content blockquote{border-left:4px solid var(--color-primary);border-radius:0 var(--radius)var(--radius)0;color:var(--color-text-light);background:#f65a5a0d;margin:1.5rem 0;padding:1rem 1.25rem;font-style:italic}[data-theme=dark] .article-content blockquote{background:#ff707014}.article-content img{border-radius:var(--radius);max-width:100%;margin:1.5rem 0}.article-content code{background:#f65a5a14;border-radius:4px;padding:.15rem .4rem;font-size:.9em}[data-theme=dark] .article-content code{background:#ff70701f}.article-content hr{border:none;border-top:1px solid var(--color-border);margin:2rem 0}.article-content a{color:var(--color-primary);text-underline-offset:2px;text-decoration:underline 1px}.article-content a:hover{text-decoration-thickness:2px}.article-content .internal-link{font-weight:700}@media (width<=720px){.nav-text-link,.theme-toggle,.header-cta{display:none}.logo-text{font-size:.95rem}.nav-btn-outline{padding:.4rem .75rem;font-size:.78rem}.header-nav{gap:.5rem}}