.theme-toggle-btn{position:fixed;bottom:1.5rem;right:1.5rem;z-index:999;display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:50%;cursor:pointer;color:var(--text-secondary);transition:all .2s ease}.theme-toggle-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary);box-shadow:var(--glow-primary)}.theme-toggle-btn .icon-sun{display:none}.theme-toggle-btn .icon-moon,[data-theme=light] .theme-toggle-btn .icon-sun{display:block}[data-theme=light] .theme-toggle-btn .icon-moon{display:none}:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a24;--bg-card: #16161e;--text-primary: #e4e4e7;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent-primary: #00ff88;--accent-secondary: #00d4ff;--accent-tertiary: #ff00ff;--accent-warning: #ffaa00;--accent-error: #ff4444;--glow-primary: 0 0 20px rgba(0, 255, 136, .3);--glow-secondary: 0 0 20px rgba(0, 212, 255, .3);--glow-tertiary: 0 0 20px rgba(255, 0, 255, .3);--border-color: #2a2a3a;--border-glow: #00ff8833;--gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--gradient-dark: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);--gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);--gradient-text: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));--font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--text-5xl: 3.5rem;--text-6xl: 4.5rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease;--z-nav: 100;--z-modal: 200}[data-theme=light]{--bg-primary: #f7f7f9;--bg-secondary: #ffffff;--bg-tertiary: #ededf2;--bg-card: #ffffff;--text-primary: #18181b;--text-secondary: #3f3f46;--text-muted: #71717a;--accent-primary: #008040;--accent-secondary: #0077b6;--accent-tertiary: #8b00c8;--accent-warning: #b05c00;--accent-error: #cc0000;--glow-primary: 0 0 20px rgba(0, 128, 64, .2);--glow-secondary: 0 0 20px rgba(0, 119, 182, .2);--glow-tertiary: 0 0 20px rgba(139, 0, 200, .2);--border-color: #d4d4d8;--border-glow: #00804033;--gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--gradient-dark: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);--gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);--gradient-text: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary))}[data-theme=light] body:before{opacity:.06}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:80px}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(var(--border-color) 1px,transparent 1px),linear-gradient(90deg,var(--border-color) 1px,transparent 1px);background-size:50px 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