:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#8b5cf6;--accent:#ec4899;--fg:#0f172a;--fg-light:#334155;--bg:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--muted:#64748b;--muted-light:#94a3b8;--border:#e2e8f0;--border-light:#f1f5f9;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--radius:12px;--radius-lg:16px;--radius-xl:20px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}body{min-height:100vh}a{color:inherit;text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary)}button,input,select,textarea{font:inherit;border:none;outline:none}input,select,textarea{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:12px 16px;transition:all .2s ease;color:var(--fg)}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}input::placeholder,textarea::placeholder{color:var(--muted-light)}button{cursor:pointer;background:var(--primary);color:#fff;padding:12px 24px;border-radius:var(--radius);font-weight:600;transition:all .2s ease;border:none;box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;gap:8px;font-size:15px}button:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}button:active{transform:translateY(0)}button.secondary{background:var(--bg-secondary);color:var(--fg);border:1.5px solid var(--border)}button.secondary:hover{background:var(--bg-tertiary);border-color:var(--primary)}label{display:flex;flex-direction:column;gap:8px;font-weight:500;color:var(--fg-light);font-size:14px}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--fg)}h1{font-size:3rem;letter-spacing:-.02em}h2{font-size:2rem;letter-spacing:-.01em}h3{font-size:1.5rem}.container{max-width:1200px;margin:0 auto;padding:0 24px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:all .3s ease}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border)}.card-gradient{background:linear-gradient(135deg,rgba(99,102,241,.05),rgba(139,92,246,.05));border:1px solid rgba(99,102,241,.2)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.stack{display:grid;grid-gap:24px;gap:24px}.muted{color:var(--muted);font-size:14px}.w-full{width:100%}.space-between{display:flex;justify-content:space-between;align-items:center;gap:16px}.gradient-text{background:linear-gradient(135deg,var(--primary) 0,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--bg-secondary);color:var(--fg-light);border:1px solid var(--border)}.badge.primary{background:rgba(99,102,241,.1);color:var(--primary);border-color:rgba(99,102,241,.2)}audio{height:40px;border-radius:var(--radius);filter:saturate(.8)}hr{border:none;border-top:1px solid var(--border);margin:24px 0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease}.text-center{text-align:center}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-6{margin-top:48px}.mt-8{margin-top:64px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.mb-6{margin-bottom:48px}.mb-8{margin-bottom:64px}.py-4{padding-top:32px;padding-bottom:32px}.py-6{padding-top:48px;padding-bottom:48px}.py-8{padding-top:64px;padding-bottom:64px}.py-12{padding-top:96px;padding-bottom:96px}.py-16{padding-top:128px;padding-bottom:128px}.article-content h1{font-size:2.25rem;margin:2rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border)}.article-content h2{font-size:1.875rem;margin:1.75rem 0 .875rem;color:var(--fg)}.article-content h3{font-size:1.5rem;margin:1.5rem 0 .75rem;color:var(--fg-light)}.article-content p{margin:1rem 0;color:var(--fg-light)}.article-content ol,.article-content ul{margin:1rem 0;padding-left:2rem}.article-content li{margin:.5rem 0;color:var(--fg-light)}.article-content a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.article-content a:hover{color:var(--primary-dark)}.article-content strong{color:var(--fg);font-weight:600}.article-content em{font-style:italic}.article-content code{background:var(--bg-secondary);padding:2px 6px;border-radius:4px;font-family:Monaco,Menlo,monospace;font-size:.9em}.article-content blockquote{border-left:4px solid var(--primary);padding-left:1rem;margin:1.5rem 0;color:var(--muted);font-style:italic}