:root{--bg-primary:#f7f9fc;--bg-secondary:#fff;--bg-elevated:#fff;--text-primary:#1f2937;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--border-color:#e5e7eb;--accent-primary:#0ea5e9;--accent-hover:#0284c7;--accent-active:#0369a1;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.05);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--transition-fast:120ms;--transition-normal:160ms}[data-theme=dark]{--bg-primary:#0b0f14;--bg-secondary:#111827;--bg-elevated:#1f2937;--text-primary:#f9fafb;--text-secondary:#d1d5db;--text-tertiary:#9ca3af;--border-color:#374151;--accent-primary:#0ea5e9;--accent-hover:#38bdf8;--accent-active:#7dd3fc;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,.4);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Manrope,-apple-system,BlinkMacSystemFont,Segoe 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