:root{--page:#eef2f6;--surface:#fff;--surface-muted:#f7f9fb;--surface-hover:#f0f5f2;--active:#e8f5ec;--active-border:#2f8f52;--text:#17201b;--secondary:#66736b;--muted:#8b9690;--border:#dfe5e1;--border-soft:#edf0ee;--incoming:#fff;--outgoing:#dff5e6;--primary:#267b45;--primary-hover:#1e6739;--focus:#267b4538;--backdrop:#0c120f7a;--shadow:0 16px 44px #18271e1c}:root[data-theme=dark]{--page:#0d1210;--surface:#141b17;--surface-muted:#101613;--surface-hover:#1b2620;--active:#1d3225;--active-border:#55b876;--text:#edf4ef;--secondary:#a4b1a8;--muted:#7f8c84;--border:#2b3730;--border-soft:#202a24;--incoming:#1d2721;--outgoing:#17442a;--primary:#43a966;--primary-hover:#52b975;--focus:#4cb56f47;--backdrop:#000000a8;--shadow:0 18px 50px #00000059}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--page);color:var(--text);font-family:Arial,Helvetica,sans-serif;transition:background-color .16s,color 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