:root{--bg: #ffffff;--text: #1a1a1a;--text-secondary: #666666;--border: #e0e0e0;--accent: #0066cc;--accent-hover: #0052a3;--surface: #f8f8f8}[data-theme=dark]{--bg: #0a0a0a;--text: #e8e8e8;--text-secondary: #a0a0a0;--border: #2a2a2a;--accent: #4d9fff;--accent-hover: #3d8fef;--surface: #151515}*{margin:0;padding:0;box-sizing:border-box}body{font-family:IBM Plex Sans,sans-serif;font-weight:300;line-height:1.6;color:var(--text);background:var(--bg);transition:background-color .3s ease,color .3s ease}.container{max-width:800px;margin:0 auto;padding:2rem 1.5rem}header{padding:3rem 0 2rem;border-bottom:1px solid var(--border);margin-bottom:3rem}h1,h2,h3{font-weight:600;margin-bottom:1rem}h1{font-family:IBM Plex Mono,monospace;font-size:2.5rem;letter-spacing:-.02em;margin-bottom:.5rem}h2{font-size:1.75rem;margin-top:3rem;margin-bottom:1rem}h3{font-size:1.25rem;margin-top:2rem}p{margin-bottom:1rem;max-width:65ch}ul,ol{margin-left:1.5rem;margin-bottom:1rem}li{margin-bottom:.5rem}strong{font-weight:600;color:var(--text)}.meta{font-family:IBM Plex Mono,monospace;font-size:.9rem;color:var(--text-secondary);margin-bottom:2rem}.theme-toggle{position:fixed;top:2rem;right:2rem;background:var(--surface);border:1px solid var(--border);border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all .2s ease;z-index:100}.theme-toggle:hover{transform:scale(1.1);border-color:var(--accent)}.cta-button{display:inline-block;font-family:IBM Plex Mono,monospace;font-size:.875rem;font-weight:600;padding:.75rem 1.5rem;background:var(--text);color:var(--bg);text-decoration:none;border-radius:4px;transition:all .2s ease;margin:2rem 0;border:2px solid var(--text);cursor:pointer}.cta-button:hover{background:var(--bg);color:var(--text);transform:translateY(-2px)}.section{margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid var(--border)}.section:last-child{border-bottom:none}.info-box{background:var(--surface);border-left:3px solid var(--accent);padding:1rem 1.5rem;margin:1.5rem 0}.prize-list{list-style:none;margin-left:0}.prize-list li{padding:.75rem 0;border-bottom:1px solid var(--border)}.prize-list li:last-child{border-bottom:none}code{font-family:IBM Plex Mono,monospace;background:var(--surface);padding:.2rem .4rem;border-radius:3px;font-size:.9em}table{width:100%;border-collapse:collapse;margin:1.5rem 0}th,td{text-align:left;padding:.75rem;border-bottom:1px solid var(--border)}th{font-weight:600;background:var(--surface)}footer{margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border);text-align:center;color:var(--text-secondary);font-size:.9rem}.preview-notice{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-family:IBM Plex Mono,monospace;font-size:.85rem;z-index:1000;box-shadow:0 4px 12px #00000026}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.5rem}.theme-toggle{top:1rem;right:1rem}.preview-notice{bottom:1rem;left:1rem;right:1rem;transform:none}}