:root{--primary:#0078d4;--primary-hover:#106ebe;--primary-pressed:#005a9e;--primary-light:#deecf9;--success:#107c10;--success-light:#dff6dd;--warning:#ff8c00;--warning-light:#fff4ce;--danger:#c42b1c;--danger-light:#fde7e9;--bg:#faf9f8;--bg-secondary:#f3f2f1;--card-bg:#fff;--card-hover:#f3f2f1;--subtle-bg:#f5f5f5;--text:#242424;--text-secondary:#616161;--text-light:#a0a0a0;--text-inverse:#fff;--border:#e1dfdd;--border-strong:#c8c6c4;--divider:#edebe9;--shadow-sm:0 1px 2px #00000014;--shadow:0 2px 6px #00000014, 0 4px 16px #0000000f;--shadow-lg:0 8px 24px #0000001f, 0 4px 8px #0000000f;--radius-sm:6px;--radius:10px;--radius-lg:16px;--radius-full:999px;--font-xs:11px;--font-sm:13px;--font-md:15px;--font-lg:17px;--font-xl:20px;--font-xxl:24px;--header-h:52px;--rail-w:76px;--sidebar-w:232px;--sidebar-w-collapsed:68px;--nav-h:60px;--page-pad:16px;--safe-bottom:env(safe-area-inset-bottom,0px);--transition-fast:.15s ease;--transition:.25s ease}html.dark{--bg:#121212;--bg-secondary:#1b1b1b;--card-bg:#1e1e1e;--card-hover:#2a2a2a;--subtle-bg:#252525;--text:#f0f0f0;--text-secondary:silver;--text-light:#8f8f8f;--border:#333;--border-strong:#444;--divider:#2c2c2c;--shadow-sm:0 1px 2px #0006;--shadow:0 2px 6px #00000080, 0 4px 16px #0006;--shadow-lg:0 8px 24px #0009, 0 4px 8px #0006;--primary-light:#0078d447}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;font-size:var(--font-md);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;overscroll-behavior-y:none;line-height:1.5}button{cursor:pointer;color:inherit;background:0 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