:root{--bg:#0a0a0a;--bg-elev:#141414;--bg-card:#161616;--border:rgba(255,255,255,0.08);--border-strong:rgba(255,255,255,0.16);--text:#f5f5f7;--text-secondary:rgba(245,245,247,0.65);--text-tertiary:rgba(245,245,247,0.45);--accent:#5b9eff;--accent-hover:#7eb3ff;--success:#34c759;--radius:12px;--radius-lg:16px;--max:1100px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{overflow-x:hidden}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}code{font-family:JetBrains Mono,ui-monospace,monospace;background:var(--bg-elev);padding:2px 6px;border-radius:4px;font-size:.9em}.container{max-width:var(--max);margin:0 auto;padding:0 24px}header{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px) 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