Clock/styles/style.css

body {
  background: var(--background);
  background-size: 100vw 100vh;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  transition: background 0.125s;
  margin: 0;
  padding: 0;
}

#back {
  background-image: var(--background-image);
  background-size: 128px;
  background-position: center;
  opacity: 0.35;
  position: fixed;
  height: 100%;
  width: 100%;
}

* {
  font-family: 'Courier New', Courier, monospace;
}

.header {
  width: 64px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-content: stretch;
  align-items: center;
  z-index: 9;
  transition: width 0.125s;
}

.header.wide {
  width: 256px;
}
.scrim--, .scrim-over-- {
  display: inline-block;
  width: 100vw;
  height: 100vh;
  z-index: 8;
  position: absolute;
  top: 0;
  left: 0;
  background-color: transparent;
  backdrop-filter: none;
  pointer-events: none;
  transition: background-color 0.125s, backdrop-filter 0.125s;
}
.scrim-over-- {
  z-index: 10;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: center;
  align-content: center;
  align-items: center;
}
.header.wide ~ .scrim-- {
  background-color: #0006;
  backdrop-filter: blur(4px);
  pointer-events: auto;
}

.header::before {
  background-color: #FFFFFF40;
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(8px);
}

.header div {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  align-content: space-around;
  align-items: center;
  gap: 8px;
  padding: 8px;
  width: 100%;
  box-sizing: border-box;
  height: 50%;
}

.header div:first-child {
  justify-content: flex-start;
}

.header div:last-child {
  justify-content: flex-end;
}

.header button {
  height: 48px;
  width: 100%;
  border-radius: 24px;
  border: none;
  padding: 12px;
  margin: none;
  background-color: transparent;
  transition: background-color 0.125s;
  color: var(--foreground);
  position: relative;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
}
.header.wide button {
  overflow: hidden;
}

.header button:hover {
  background-color: #FFFFFF40;
}

.header button::after {
  position: absolute;
  display: inline-block;
  content: attr(data-title);
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  height: 12px;
  box-sizing: content-box;
  background-color: transparent;
  color: transparent;
  left: calc(100% + 16px);
  border-radius: 4px;
  top: calc(50% - 14px);
  transition: color 0.125s, width 0.125s;
  width: 0;
  padding: 8px 0;
  overflow: hidden;
}

.header:not(.wide) button:hover::after {
  background-color: #202020;
  color: #FFFFFF;
  width: initial;
  padding: 8px;
}

.header:not(.wide) button:focus::after {
  background-color: #202020;
  color: #FFFFFF;
  width: initial;
  padding: 8px;
}

.header.wide button::after {
  left: 48px;
  top: calc(50% - 7px);
  color: var(--foreground);
  width: initial;
  height: 14px;
  padding: 0;
  font-size: 14px;
}

.header button:focus {
  background-color: #FFFFFF20;
}

.header button:active {
  background-color: #FFFFFF80;
}

sep {
  display: inline-block;
  width: 100%;
  height: 0;
  background-color: transparent;
  border: 1px dashed var(--foreground);
  margin: 4px;
  z-index: 9;
}

.poplight {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 128px;
  height: 128px;
  transition: bottom 0.125s;
  z-index: 9;
  zoom: 1.25;
}

.poplight.hidden {
  bottom: -128px;
}

.poplight button.hide {
  position: absolute;
  width: 32px;
  height: 32px;
  right: -0px;
  top: -48px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 16px;
  background-color: transparent;
  color: var(--foreground);
}

.poplight button.hide::after {
  position: absolute;
  display: inline-block;
  content: attr(data-title);
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  height: 12px;
  box-sizing: content-box;
  background-color: transparent;
  color: transparent;
  right: 0;
  border-radius: 4px;
  top: -48px;
  transition: color 0.125s, width 0.125s;
  width: 0;
  padding: 8px 0;
  overflow: hidden;
}

.poplight button.hide:hover::after {
  background-color: #202020;
  color: #FFFFFF;
  width: initial;
  padding: 8px;
}

.poplight button.hide:focus {
  background-color: #FFFFFF20;
}

.poplight button.hide:hover {
  background-color: #FFFFFF40;
}

.poplight button.hide:active {
  background-color: #FFFFFF80;
}

.poplight button.press {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  border-radius: 64px;
  background-color: #808080;
  overflow: hidden;
  border: none;
  font-size: 64px;
  transition: top 0.125s, right 0.125s, width 0.125s, height 0.125s, background-color 0.125s, color 0.125s, font-size 0.125s;
}

.poplight.hidden button.press {
  top: -48px;
  right: 48px;
  width: 32px;
  height: 32px;
  border-radius: 64px;
  font-size: 24px;
  color: transparent;
}

.poplight button.press.popped {
  background-color: var(--main-color);
  box-shadow: 0px 0px 32px 0px var(--main-color);
}

.poplight button.press::after {
  position: absolute;
  content: "devices";
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 64px;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: transparent;
}

.poplight button.press:hover::after {
  background-color: #ffffff40;
}

.poplight button.press:active::after {
  background-color: #ffffff80;
}

.poplight button.press.popped::after {
  content: "phonelink_off";
}