*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a0f;--bg-secondary: #111118;--bg-card: #16161f;--bg-hover: #1e1e2a;--bg-overlay: rgba(10,10,15,.9);--text-primary: #f0f0f8;--text-secondary: #9999b8;--text-muted: #555570;--text-inverse: #0a0a0f;--accent-1: #7c5cbf;--accent-2: #5b8ef0;--accent-3: #e05b8e;--accent-gradient: linear-gradient(135deg, #7c5cbf, #5b8ef0);--accent-glow: rgba(124,92,191,.35);--border: rgba(255,255,255,.08);--border-focus: rgba(124,92,191,.6);--shadow-sm: 0 2px 8px rgba(0,0,0,.4);--shadow-md: 0 8px 32px rgba(0,0,0,.5);--shadow-lg: 0 24px 64px rgba(0,0,0,.6);--shadow-glow: 0 0 40px rgba(124,92,191,.2);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 32px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s cubic-bezier(.16,1,.3,1);--font-en: "Inter", system-ui, sans-serif;--font-fa: "Vazirmatn", system-ui, sans-serif;--header-height: 70px;--sidebar-width: 260px}[data-theme=light]{--bg-primary: #fafafa;--bg-secondary: #f0f0f5;--bg-card: #ffffff;--bg-hover: #f5f5fc;--bg-overlay: rgba(250,250,250,.92);--text-primary: #0d0d1a;--text-secondary: #555575;--text-muted: #9999b0;--text-inverse: #fafafa;--accent-glow: rgba(124,92,191,.15);--border: rgba(0,0,0,.08);--border-focus: rgba(124,92,191,.5);--shadow-sm: 0 2px 8px rgba(0,0,0,.06);--shadow-md: 0 8px 32px rgba(0,0,0,.1);--shadow-lg: 0 24px 64px rgba(0,0,0,.12);--shadow-glow: 0 0 40px rgba(124,92,191,.12)}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-en);line-height:1.6;transition:background var(--transition-base),color var(--transition-base);overflow-x:hidden;-webkit-font-smoothing:antialiased}[data-lang=fa] body,[data-lang=fa] .rtl-font,[data-lang=fa]{font-family:var(--font-fa)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;letter-spacing:-.02em;color:var(--text-primary)}h1{font-size:clamp(2rem,5vw,4rem)}h2{font-size:clamp(1.5rem,3vw,2.5rem)}h3{font-size:clamp(1.2rem,2vw,1.75rem)}h4{font-size:1.25rem}p{color:var(--text-secondary);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-1);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-2)}::selection{background:var(--accent-1);color:#fff}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass{background:#ffffff0a;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border)}[data-theme=light] .glass{background:#fffc}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes pulse-ring{0%{transform:scale(.8);opacity:1}to{transform:scale(1.6);opacity:0}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-up{animation:fadeUp .5s var(--transition-slow) both}.animate-fade-in{animation:fadeIn .4s ease both}.animate-float{animation:float 4s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}*:focus-visible{outline:2px solid var(--accent-1);outline-offset:3px;border-radius:var(--radius-sm)}.prose h2{margin:2rem 0 1rem}.prose h3{margin:1.5rem 0 .75rem}.prose p{margin:0 0 1.25rem}.prose ul,.prose ol{margin:0 0 1.25rem 1.5rem}.prose li{margin:.25rem 0;color:var(--text-secondary)}.prose code{background:var(--bg-hover);padding:.15em .4em;border-radius:4px;font-size:.9em}.prose pre{background:var(--bg-secondary);padding:1rem 1.25rem;border-radius:var(--radius-md);overflow-x:auto;margin:1.5rem 0}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-hover) 50%,var(--bg-card) 75%);background-size:200% auto;animation:shimmer 1.5s linear infinite;border-radius:var(--radius-md)}.toast{position:fixed;bottom:2rem;right:2rem;z-index:9999;padding:.85rem 1.5rem;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-lg);animation:fadeUp .3s var(--transition-slow) both;font-size:.95rem}[data-lang=fa] .toast{left:2rem;right:auto}.toast.success{border-color:#22c55e;color:#22c55e}.toast.error{border-color:#ef4444;color:#ef4444}img.lazy{opacity:0;transition:opacity .4s ease}img.lazy.loaded{opacity:1}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-gap{display:flex;align-items:center;gap:.75rem}.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.section-gap{padding:clamp(4rem,8vw,8rem) 0}[dir=rtl] .ml-auto{margin-left:0;margin-right:auto}[dir=rtl] .mr-auto{margin-right:0;margin-left:auto}@media(max-width:768px){:root{--header-height: 60px}h1{font-size:2rem}}