:root{--bg:#f3f6f9;--surface:#fff;--surface-2:#f7f9fb;--surface-3:#edf2f6;--text:#18222d;--muted:#6f7e8c;--border:#dfe6ec;--blue:#2aabee;--blue-strong:#168bd0;--blue-soft:#e4f5fd;--green:#32b86b;--amber:#f2a93b;--red:#ed5c63;--red-soft:#fff0f1;--shadow:0 10px 35px rgba(20,40,60,.10);--chat-bg:#e9f0f4;--bubble:#fff;--highlight:#ffe49b}
html[data-theme="dark"]{--bg:#0f1720;--surface:#17212b;--surface-2:#202b36;--surface-3:#293642;--text:#ecf2f7;--muted:#8fa1b1;--border:#293744;--blue:#45b6ee;--blue-strong:#2aabee;--blue-soft:#17394c;--red-soft:#3b2429;--shadow:0 12px 40px rgba(0,0,0,.28);--chat-bg:#111b25;--bubble:#202b36;--highlight:#6e571c}
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