:root{--primary: #2d6a4f;--primary-dark: #1b4332;--primary-light: #52b788;--accent: #40916c;--danger: #d62828;--warning: #e76f51;--success: #2d6a4f;--bg: #f8f9fa;--surface: #ffffff;--surface-hover: #f1f3f5;--border: #dee2e6;--text: #212529;--text-muted: #6c757d;--text-on-dark: #ffffff;--sidebar-w: 240px;--topbar-h: 56px;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.12)}[data-theme=dark]{--bg: #0d1117;--surface: #161b22;--surface-hover: #21262d;--border: #30363d;--text: #e6edf3;--text-muted: #8b949e;--primary-light: #3fb97a}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit;font-size:13px;border:none;border-radius:var(--radius);padding:7px 14px;transition:opacity .15s,background 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