:root{--bg-primary:#f5f5f7;--bg-secondary:#eeeeef;--bg-sidebar:#ffffff;--bg-card:#ffffff;--bg-input:#e8e8ec;--bg-hover:#e0e0e4;--bg-elevated:#ffffff;--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#8e8e93;--text-muted:#aeaeb2;--accent-400:#d1f937;--accent-500:#c5e834;--accent-600:#b3d61e;--accent-700:#9ec200;--accent-glow:rgba(209,249,55,0.2);--accent-soft:rgba(209,249,55,0.08);--border-color:#d2d2d7;--border-light:#c8c8cc;--header-height:56px;--sidebar-width:200px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:16px;--shadow-sm:0 1px 3px rgba(0,0,0,0.04);--shadow-md:0 4px 12px rgba(0,0,0,0.06);--shadow-lg:0 8px 24px rgba(0,0,0,0.08);--shadow-xl:0 12px 40px rgba(0,0,0,0.1);--shadow-glow:0 0 20px rgba(209,249,55,0.15)}.dark{--bg-primary:#0e0e10;--bg-secondary:#161618;--bg-sidebar:#0a0a0c;--bg-card:#1a1a1e;--bg-input:#202024;--bg-hover:#28282c;--bg-elevated:#222226;--text-primary:#f0f0f0;--text-secondary:#9c9ca4;--text-tertiary:#808088;--text-muted:#6a6a72;--accent-400:#d1f937;--accent-500:#c5e834;--accent-600:#b3d61e;--accent-700:#9ec200;--accent-glow:rgba(209,249,55,0.10);--accent-soft:rgba(209,249,55,0.05);--border-color:#222226;--border-light:#2a2a2e;--shadow-sm:0 1px 3px rgba(0,0,0,0.2);--shadow-md:0 4px 12px rgba(0,0,0,0.3);--shadow-lg:0 8px 24px rgba(0,0,0,0.4);--shadow-xl:0 12px 40px rgba(0,0,0,0.5);--shadow-glow:0 0 20px rgba(209,249,55,0.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,PingFang SC,sans-serif;-webkit-font-smoothing:antialiased;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .2s ease,color .2s 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