:root{--bg-main: #f8fafc;--bg-card: #ffffff;--bg-sidebar: #0f172a;--sidebar-hover: rgba(255, 255, 255, .06);--sidebar-active: #4f46e5;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #eeebff;--border-color: #e2e8f0;--radius-lg: 12px;--radius-md: 8px;--radius-sm: 6px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .08);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box}body{margin:0;background:var(--bg-main);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft 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