*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #1c2128;--bg-card: #1c2128;--border: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent: #58a6ff;--accent-hover: #79c0ff;--success: #3fb950;--warning: #d29922;--danger: #f85149;--mining: #a371f7;--radius: 0px;--transition: .2s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:20px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.logo{padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}.logo h1{font-size:20px;font-weight:700;letter-spacing:4px;color:var(--accent)}.nav-links{display:flex;flex-direction:column;gap:2px;padding:0 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