:root{--bg: #000008;--surface: rgba(255,255,255,.05);--border: rgba(255,255,255,.1);--text: #ffffff;--text-muted: #888888;--accent: #7c3aed;--claude: #7c3aed;--chatgpt: #10a37f}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}