{
  programs.btop = {
    enable = true;

    settings = {
      color_theme = "Mizuki Light";
      theme_background = true;
    };

    themes = {
      "Mizuki Light" = ''
        # Kawa / Mizuki light palette
        theme[main_bg]="#fcf8f9"
        theme[main_fg]="#191017"
        theme[title]="#816570"
        theme[hi_fg]="#1e66f5"
        theme[selected_bg]="#f4ecee"
        theme[selected_fg]="#191017"
        theme[inactive_fg]="#a38f96"
        theme[graph_text]="#816570"
        theme[meter_bg]="#f2e6ea"
        theme[proc_misc]="#ea76cb"
        theme[cpu_box]="#1e66f5"
        theme[mem_box]="#40a02b"
        theme[net_box]="#d20f39"
        theme[proc_box]="#179299"
        theme[div_line]="#e6d5db"
        theme[temp_start]="#40a02b"
        theme[temp_mid]="#df8e1d"
        theme[temp_end]="#d20f39"
        theme[cpu_start]="#40a02b"
        theme[cpu_mid]="#df8e1d"
        theme[cpu_end]="#d20f39"
        theme[free_start]="#40a02b"
        theme[free_mid]="#df8e1d"
        theme[free_end]="#d20f39"
        theme[cached_start]="#179299"
        theme[cached_mid]="#1e66f5"
        theme[cached_end]="#ea76cb"
        theme[available_start]="#179299"
        theme[available_mid]="#1e66f5"
        theme[available_end]="#ea76cb"
        theme[used_start]="#40a02b"
        theme[used_mid]="#df8e1d"
        theme[used_end]="#d20f39"
        theme[download_start]="#179299"
        theme[download_mid]="#1e66f5"
        theme[download_end]="#ea76cb"
        theme[upload_start]="#1e66f5"
        theme[upload_mid]="#ea76cb"
        theme[upload_end]="#d20f39"
        theme[process_start]="#40a02b"
        theme[process_mid]="#179299"
        theme[process_end]="#1e66f5"
      '';

      "Mizuki Dark" = ''
        # Kawa Dark / Mizuki dark palette
        theme[main_bg]="#191017"
        theme[main_fg]="#fafafa"
        theme[title]="#f5c2e7"
        theme[hi_fg]="#89b4fa"
        theme[selected_bg]="#2c1f2d"
        theme[selected_fg]="#fafafa"
        theme[inactive_fg]="#a9a9b1"
        theme[graph_text]="#bac2de"
        theme[meter_bg]="#2c1f2d"
        theme[proc_misc]="#f5c2e7"
        theme[cpu_box]="#89b4fa"
        theme[mem_box]="#a6e3a1"
        theme[net_box]="#f38ba8"
        theme[proc_box]="#94e2d5"
        theme[div_line]="#4a354c"
        theme[temp_start]="#a6e3a1"
        theme[temp_mid]="#f9e2af"
        theme[temp_end]="#f38ba8"
        theme[cpu_start]="#a6e3a1"
        theme[cpu_mid]="#f9e2af"
        theme[cpu_end]="#f38ba8"
        theme[free_start]="#a6e3a1"
        theme[free_mid]="#f9e2af"
        theme[free_end]="#f38ba8"
        theme[cached_start]="#94e2d5"
        theme[cached_mid]="#89b4fa"
        theme[cached_end]="#f5c2e7"
        theme[available_start]="#94e2d5"
        theme[available_mid]="#89b4fa"
        theme[available_end]="#f5c2e7"
        theme[used_start]="#a6e3a1"
        theme[used_mid]="#f9e2af"
        theme[used_end]="#f38ba8"
        theme[download_start]="#94e2d5"
        theme[download_mid]="#89b4fa"
        theme[download_end]="#f5c2e7"
        theme[upload_start]="#89b4fa"
        theme[upload_mid]="#f5c2e7"
        theme[upload_end]="#f38ba8"
        theme[process_start]="#a6e3a1"
        theme[process_mid]="#94e2d5"
        theme[process_end]="#89b4fa"
      '';
    };
  };
}