:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-card: #161b22;--bg-card-hover: #1c2333;--border-color: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--color-profit: #00d4aa;--color-loss: #ff4757;--color-accent: #4c9aff;--color-accent-hover: #6c5ce7;--color-warning: #f0a020;--radius-card: 12px;--radius-btn: 8px;--font-mono: "JetBrains Mono", "Fira Code", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6}a{color:var(--color-accent);text-decoration:none}.mono{font-family:var(--font-mono)}