@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--bg-main:#060913;--bg-card:#0f162a66;--bg-sidebar:#0b0f19;--bg-hover:#ffffff0a;--border-color:#ffffff14;--divider:#ffffff0d;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--primary-blue:#16a34a;--primary-blue-hover:#22c55e;--purple-accent:#15803d;--cyan-accent:#10b981;--accent-color:#10b981;--font-heading:"Outfit", "Poppins", sans-serif;--font-body:"Inter", sans-serif;--font-scale:1;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 8px -1px #00000026, 0 2px 4px -1px #0000001a;--shadow-lg:0 12px 24px -4px #00000040, 0 4px 12px -2px #00000026;--shadow-glass:0 8px 32px 0 #0000004d;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.3s cubic-bezier(.4, 0, .2, 1);--transition-slow:.5s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-main:#f8fafc;--bg-card:#ffffffb3;--bg-sidebar:#fff;--bg-hover:#16a34a0a;--border-color:#0f172a14;--divider:#0f172a0a;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--primary-blue:#16a34a;--primary-blue-hover:#22c55e;--purple-accent:#15803d;--cyan-accent:#10b981;--accent-color:#10b981;--shadow-sm:0 1px 3px 0 #0000000d;--shadow-md:0 4px 12px -2px #0f172a0d, 0 2px 6px -1px #0f172a0d;--shadow-lg:0 20px 25px -5px #0f172a14, 0 10px 10px -5px #0f172a0a;--shadow-glass:0 8px 32px 0 #0f172a0d}[data-contrast=high]{--bg-main:#000!important;--bg-card:#000!important;--bg-sidebar:#000!important;--border-color:#fff!important;--divider:#fff!important;--text-primary:#fff!important;--text-secondary:#fff!important;--text-muted:#ff0!important;--primary-blue:#22c55e!important;--primary-blue-hover:#22c55e!important;--accent-color:#ff0!important;--purple-accent:#0ff!important;--cyan-accent:#0ff!important;--shadow-glass:none!important}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-main);color:var(--text-primary);line-height:1.6;font-size:calc(1rem * var(--font-scale));transition:background-color var(--transition-normal), color var(--transition-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1{font-size:calc(2.25rem * var(--font-scale))}h2{font-size:calc(1.75rem * var(--font-scale))}h3{font-size:calc(1.5rem * var(--font-scale))}h4{font-size:calc(1.25rem * 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var(--accent-color), var(--purple-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:700}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);padding:24px}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn{border-radius:var(--radius-md);transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary-blue);color:#fff}.btn-primary:hover{background:var(--primary-blue-hover);transform:translateY(-1px);box-shadow:0 4px 12px #16a34a4d}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);background:0 0}.btn-outline:hover{border-color:var(--primary-blue);color:var(--primary-blue);background:var(--bg-hover)}.btn-gradient{background:linear-gradient(135deg, var(--accent-color), var(--primary-blue));color:#fff;border:none}.btn-gradient:hover{transform:translateY(-1.5px);box-shadow:0 4px 15px #10b98166}.badge{border-radius:var(--radius-pill);color:var(--primary-blue);background:#16a34a1a;border:1px solid #16a34a26;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.skeleton{background:linear-gradient(90deg, var(--divider) 25%, var(--border-color) 50%, var(--divider) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite skeleton-loading}.skeleton-text{width:100%;height:16px;margin-bottom:8px}.skeleton-title{width:60%;height:24px;margin-bottom:16px}.skeleton-avatar{border-radius:50%;width:48px;height:48px}.skeleton-card{width:100%;height:200px}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.animate-fade-up{animation:.5s cubic-bezier(.16,1,.3,1) forwards fadeUp}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.reading-progress-container{z-index:1050;background:0 0;width:100%;height:4px;position:fixed;top:0;left:0}.reading-progress-bar{background:linear-gradient(90deg, var(--accent-color), var(--purple-accent));width:0%;height:100%;transition:width .1s ease-out}.toc-sidebar{max-height:calc(100vh - 120px);position:sticky;top:90px;overflow-y:auto}.toc-list{border-left:2px solid var(--border-color);padding-left:0;list-style:none}.toc-item{color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;border-left:2px solid #0000;margin-left:-2px;padding:6px 16px;font-size:.9rem}.toc-item.active{color:var(--primary-blue);border-left-color:var(--primary-blue);font-weight:600}.toc-item:hover{color:var(--text-primary)}.code-block-wrapper{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#0f172a;margin:20px 0;position:relative;overflow:hidden}.code-block-header{color:#94a3b8;background:#1e293b;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:8px 16px;font-family:monospace;font-size:.85rem;display:flex}.code-block-copy{color:#cbd5e1;cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;align-items:center;gap:4px;font-size:.75rem;display:inline-flex}.code-block-copy:hover{color:#fff}.code-block-wrapper pre{margin:0;padding:16px;overflow-x:auto}.code-block-wrapper code{color:#e2e8f0;font-family:Courier New,Courier,monospace;font-size:.9rem}.app-layout-wrapper{min-height:100vh;transition:padding-left 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