* {
  box-sizing: border-box;
}

body {
  color: #fff;
  background-color: #040408;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
  display: flex;
}

.menu {
  text-align: center;
  flex-direction: column;
  align-items: center;
  gap: 1em;
  padding-bottom: 40vh;
  display: flex;
}

.menu h1 {
  -webkit-text-fill-color: transparent;
  opacity: .9;
  background: linear-gradient(0deg, #ff7e5f, #fee87b);
  -webkit-background-clip: text;
  background-clip: text;
  margin-bottom: .5em;
  font-size: 5rem;
  position: relative;
}

.menu h1:after {
  content: "Reverse Breakout";
  z-index: 2;
  -webkit-text-stroke: 2px #935757;
  color: #0000;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.menu button#startButton {
  color: #000;
  cursor: pointer;
  background-image: linear-gradient(0deg, #ff9665, #fed375);
  border: 2px solid #935757;
  border-radius: 5px;
  margin-top: 1em;
  padding: .5em 1em;
  font-size: 1.5rem;
  font-weight: bold;
  transition: background-color .3s;
}

.menu span#scoreDisplay {
  font-size: 1.5rem;
}

.menu a#githubIcon {
  z-index: 10;
  color: #fff;
  width: 48px;
  height: 48px;
  position: fixed;
  top: 10px;
  right: 10px;
}

canvas {
  display: absolute;
  z-index: -2;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}

[data-game-ui] {
  display: none;
}

.hud {
  z-index: 5;
  padding: 15px;
  font-size: 1.2rem;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.hud .score {
  flex-direction: column;
  align-items: flex-start;
  display: flex;
}

.hud .time {
  text-align: center;
  width: 100%;
  font-family: Courier New, Courier, monospace;
  font-size: 2rem;
  font-weight: bold;
  position: absolute;
  top: 10px;
}

.hud .energy-bar {
  background-color: #111;
  border: 2px solid #333;
  border-radius: 5px;
  width: 320px;
  height: 30px;
  position: absolute;
  top: 10px;
  right: 10px;
}

.hud .energy-bar svg {
  color: #ece8ae;
  z-index: 10;
  height: 100%;
  padding: 1px;
  position: absolute;
  right: 0;
}

.hud .energy-bar path {
  fill: currentColor;
  stroke: #000;
  stroke-width: 2px;
}

.hud .energy-bar .energy-fill {
  --color-1: #efd87b;
  --color-2: #ecca66;
  --separation: 8px;
  background-image: repeating-linear-gradient(-45deg, var(--color-1), var(--color-1) var(--separation), var(--color-2) var(--separation), var(--color-2) calc(var(--separation) * 2));
  border-radius: 3px;
  height: 100%;
  transition: width 50ms ease-in-out;
  position: absolute;
  top: 0;
}

.hud .modifiers {
  flex-direction: column;
  gap: 10px;
  display: flex;
  position: absolute;
  bottom: 10px;
  left: 10px;
}

.hud .modifier {
  background-color: #111;
  border-radius: 10px;
  flex-direction: column;
  width: 15rem;
  padding: 5px;
  display: flex;
  position: relative;
  overflow: hidden;
}

.hud .modifier .modifier-fill {
  background-color: #222;
  height: 4px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.hud .modifier .modifier-fill .modifier-fill-inner {
  background-color: #6ae29c;
  width: 50%;
  height: 100%;
  transition: width .1s ease-in-out;
}

.hud .modifier .label {
  color: #ccc;
  padding: 0 5px;
  font-size: .9rem;
  font-weight: normal;
}

.hud .modifier .content {
  flex-direction: row;
  gap: .5rem;
  font-family: Courier New, Courier, monospace;
  font-size: 1.5rem;
  font-weight: bold;
  display: flex;
}

.hud .modifier .content svg {
  vertical-align: middle;
  color: #ccc;
  width: 1.2em;
  height: 1.2em;
}

.hud .abilities {
  flex-direction: row;
  gap: 10px;
  display: flex;
  position: absolute;
  bottom: 10px;
  left: 10px;
}

.hud .abilities.inactive .ability {
  opacity: .4 !important;
  pointer-events: none !important;
  filter: grayscale(70%) !important;
}

.hud .abilities .ability {
  cursor: pointer;
  background-color: #111;
  border: 2px solid #333;
  border-radius: 0 10px 10px;
  justify-content: center;
  align-items: center;
  padding: 5px;
  display: flex;
  position: relative;
}

.hud .abilities .ability:has(.count.visible) {
  border-top-right-radius: 0;
}

.hud .abilities .ability:after {
  content: "";
  --inset: 3px;
  top: var(--inset);
  left: var(--inset);
  bottom: var(--inset);
  width: calc(var(--ability-cooldown, 0%)  - var(--inset) * 2);
  opacity: min(1, var(--ability-cooldown, 0%) / 20%);
  pointer-events: none;
  --border-radius: calc(10px - var(--inset));
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  box-sizing: border-box;
  background-color: #ffffff80;
  border: 1px solid #0000;
  position: absolute;
}

.hud .abilities .ability .keybind, .hud .abilities .ability .count {
  color: #aaa;
  background-color: #111;
  border: 2px solid #333;
  border-bottom: none;
  border-radius: 5px 5px 0 0;
  margin: 0;
  padding: 0 5px;
  font-weight: bold;
  line-height: 1.2;
  position: absolute;
  bottom: 100%;
}

.hud .abilities .ability .keybind {
  height: 1.2rem;
  font-family: Courier New, Courier, monospace;
  font-size: 1.25rem;
  left: -2px;
}

.hud .abilities .ability .count {
  height: .8rem;
  font-size: 1rem;
  display: none;
  right: -2px;
}

.hud .abilities .ability .count.visible {
  display: block;
}

.hud .abilities .ability svg {
  width: 4rem;
  height: 4rem;
  color: hsl(var(--ability-hue), 70%, 80%);
}

.hud .abilities .ability .ability-hint {
  opacity: 0;
  pointer-events: none;
  margin-bottom: 1.5rem;
  transition: opacity .15s ease-in-out, transform .15s ease-in-out;
  position: absolute;
  bottom: 100%;
  left: -2px;
  transform: translateY(-3px);
}

.hud .abilities .ability:hover .ability-hint {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hud .abilities .ability {
  opacity: .1;
  pointer-events: none;
  filter: grayscale();
  transition: opacity .2s ease-in-out, filter .2s ease-in-out;
}

.hud .abilities .ability[data-count]:not([data-count="0"]) {
  opacity: 1;
  pointer-events: auto;
  filter: grayscale(0%);
}

.hud .abilities .ability[data-count="2"] {
  translate: 0 -3px;
  box-shadow: 0 3px 0 -2px #222, 0 3px #333;
}

.hud .abilities .ability[data-count="3"] {
  translate: 0 -6px;
  box-shadow: 0 3px 0 -2px #222, 0 3px #333, 0 6px 0 -2px #222, 0 6px #333;
}

.hud .abilities .ability[data-count="4"] {
  translate: 0 -9px;
  box-shadow: 0 3px 0 -2px #222, 0 3px #333, 0 6px 0 -2px #222, 0 6px #333, 0 9px 0 -2px #222, 0 9px #333;
}

.hud .abilities .new-ability-hint {
  margin-bottom: 1.5rem;
  position: absolute;
  bottom: 100%;
  left: 0;
  padding: 10px 12px !important;
}

.hud .abilities .new-ability-hint .title {
  color: #aaa;
  font-size: 1rem;
}

.hud .abilities .new-ability-hint {
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease-in-out, transform .3s ease-in-out;
  transform: translateY(-5px);
}

.hud .abilities .new-ability-hint.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hud .abilities .ability-hint {
  background-color: #111;
  border: 2px solid #333;
  border-radius: 5px;
  flex-direction: column;
  width: max-content;
  padding: 5px 12px;
  display: flex;
}

.hud .abilities .ability-hint h1 {
  margin: 0;
  font-size: 1.5rem;
}

.hud .abilities .ability-hint > span {
  color: #ccc;
  font-size: 1rem;
}

.hud .abilities .ability-hint .action {
  color: hsl(var(--ability-hue), 70%, 70%);
}

.hud .abilities .ability-hint .name {
  color: hsl(var(--ability-hue), 70%, 80%);
}

.hud .abilities .ability-hint pre {
  padding: 0 3px;
  display: inline;
}

.game-over {
  pointer-events: none;
  opacity: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity .3s ease-in-out, transform .3s ease-in-out;
  display: flex;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  transform: translateY(-15px);
}

.game-over.visible {
  opacity: 1;
  transform: translateY(0);
}

.game-over.visible .game-over-content {
  pointer-events: all;
}

.game-over .game-over-content {
  text-align: center;
  background-color: #111;
  border: 2px solid #333;
  border-radius: 10px;
  flex-direction: column;
  padding: 1rem;
  display: flex;
}

.game-over h1 {
  margin: 0 0 .5rem;
  padding: 0 1em;
  font-size: 2rem;
}

.game-over span.reason {
  color: #ccc;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.game-over span.time {
  color: #aaa;
  font-size: 1rem;
}

.game-over button {
  color: #000;
  cursor: pointer;
  background-image: linear-gradient(0deg, #ff9665, #fed375);
  border: 2px solid #935757;
  border-radius: 5px;
  margin-top: .5rem;
  padding: .25em 1em;
  font-size: 1.2rem;
  font-weight: bold;
  transition: background-color .3s;
}