nixos-config/home-manager/modules/waybar/style.css

@define-color rosewater #f5e0dc;
@define-color flamingo #f2cdcd;
@define-color pink #f5c2e7;
@define-color mauve #cba6f7;
@define-color red #f38ba8;
@define-color maroon #eba0ac;
@define-color peach #fab387;
@define-color yellow #f9e2af;
@define-color green #a6e3a1;
@define-color teal #94e2d5;
@define-color sky #89dceb;
@define-color sapphire #74c7ec;
@define-color blue #89b4fa;
@define-color lavender #b4befe;
@define-color text #cdd6f4;
@define-color subtext1 #bac2de;
@define-color subtext0 #a6adc8;
@define-color overlay2 #9399b2;
@define-color overlay1 #7f849c;
@define-color overlay0 #6c7086;
@define-color surface2 #585b70;
@define-color surface1 #45475a;
@define-color surface0 #313244;
@define-color base #1e1e2e;
@define-color mantle #181825;
@define-color crust #11111b;

@keyframes blink-warning {
  70% {
    color: @text;
  }

  to {
    color: @text;
    background-color: orange;
  }
}

@keyframes blink-critical {
  70% {
    color: @text;
  }

  to {
    color: @text;
    background-color: red;
  }
}

* {
  border: none;
  border-radius: 0;
  color: @text;
  min-height: 0;
  margin: 0;
  padding: 0;
}

#waybar {
  background: @base;
  color: @text;
  font-family: "Iosevka Nerd Font", sans-serif;
  font-size: 14px;
}

#battery,
#clock,
#cpu,
#custom-keyboard-layout,
#memory,
#mode,
#network,
#pulseaudio,
#temperature,
#tray,
#custom-now_playing,
#idle_inhibitor {
  padding-left: 10px;
  padding-right: 10px;
}

#battery {
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

#battery.warning {
  color: @peach;
}

#battery.critical {
  color: @red;
}

#battery.warning.discharging {
  animation-name: blink-warning;
  animation-duration: 3s;
}

#battery.critical.discharging {
  animation-name: blink-critical;
  animation-duration: 2s;
}

#clock {
  font-weight: bold;
}

#cpu {
  /* No styles */
}

#cpu.warning {
  color: @peach;
}

#cpu.critical {
  color: @red;
}

#memory {
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

#memory.warning {
  color: @peach;
}

#memory.critical {
  color: @red;
  animation-name: blink-critical;
  animation-duration: 2s;
}

#mode {
  background: @surface0;
  border-top: 2px solid @text;
  /* To compensate for the top border and still have vertical centering */
  padding-bottom: 2px;
}

#mode.normal {
  font-size: 0;
  min-width: 0;
  min-height: 0;
  margin: -17px;
  padding: 0;
  border: 0;
  opacity: 0;
  box-shadow: none;
  background-color: transparent;
}

#network {
  /* No styles */
}

#network.disconnected {
  color: @peach;
}

#pulseaudio {
  /* No styles */
}

#pulseaudio.muted {
  /* No styles */
}

#custom-spotify {
  color: rgb(102, 220, 105);
}

#temperature {
  /* No styles */
}

#temperature.critical {
  color: @red;
}

#tray {
  /* No styles */
}

#window {
  font-weight: bold;
}

#tags button,
#workspaces button {
  border-top: 2px solid transparent;
  /* To compensate for the top border and still have vertical centering */
  padding-bottom: 2px;
  padding-left: 10px;
  padding-right: 10px;
  color: @overlay1;
}

#tags button.focused,
#tags button.active,
#workspaces button.focused,
#workspaces button.active {
  border-color: @surface2;
  color: @text;
  background-color: @surface0;
}

#tags button.urgent,
#workspaces button.urgent {
  border-color: @red;
  color: @text;
}

#tags button:not(.occupied):not(.focused) {
  font-size: 0;
  min-width: 0;
  min-height: 0;
  margin: -17px;
  padding: 0;
  border: 0;
  opacity: 0;
  box-shadow: none;
  background-color: transparent;
}

#idle_inhibitor {
  background-color: transparent;
  font-weight: bold;
  padding-right: 10px;
}

#idle_inhibitor.activated {
  background-color: @red;
  color: @text;
}

#custom-now_playing {
  font-weight: bold;
}

#custom-notifications {
  padding: 0 10px;
}