:root {
  --bg: #f4f1ea;
  --orange: #fa6a21;
  --window: #10131d;
  --window-deep: #0a0d14;
  --text: #f3f3f3;

  --disc-size: min(88vmin, 1100px);
  --window-size: calc(var(--disc-size) * 0.36);

  --offset-x: calc(var(--window-size) * 0.165);

  --content-shift-x: calc(var(--window-size) * -0.075);
  --content-shift-y: calc(var(--window-size) * -0.01);

  --weekday-day-gap: calc(var(--window-size) * 0.115);

  --weekday-size: calc(var(--window-size) * 0.105);
  --day-size: calc(var(--window-size) * 0.44);

  --weekday-inner-gap: calc(var(--window-size) * 0.01);
  --day-letter-spacing: calc(var(--window-size) * -0.006);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
}

body {
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

.scene {
  width: 100vw;
  height: 100vh;
  display: grid;
  place-items: center;
}

.disc {
  position: relative;
  width: var(--disc-size);
  height: var(--disc-size);
  border-radius: 50%;
  background: var(--orange);
  overflow: hidden;
}

.disc::after {
  content: "";
  position: absolute;
  width: var(--window-size);
  height: var(--window-size);
  border-radius: 50%;
  top: 50%;
  left: calc(100% - (var(--window-size) / 2) + var(--offset-x));
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 38% 35%, #1a1f31 0%, var(--window) 56%, var(--window-deep) 100%);
  box-shadow:
    inset 0 0 18px rgba(255, 255, 255, 0.025),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  z-index: 1;
}

.window-content {
  user-select: none;
  position: absolute;
  width: var(--window-size);
  height: var(--window-size);
  top: 50%;
  left: calc(100% - (var(--window-size) / 2) + var(--offset-x));
  transform: translate(
    calc(-50% + var(--content-shift-x)),
    calc(-50% + var(--content-shift-y))
  );
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--weekday-day-gap);
  z-index: 2;
}

.weekday,
.day {
  position: relative;
  z-index: 2;
}

.weekday {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: var(--weekday-size);
  line-height: 0.8;
  gap: var(--weekday-inner-gap);
  transform: translateY(0.015em);
  min-width: 0.7em;
}

.weekday span {
  display: block;
}

.day {
  color: var(--text);
  font-weight: 700;
  font-size: var(--day-size);
  line-height: 0.82;
  letter-spacing: var(--day-letter-spacing);
  transform: translateY(-0.01em);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
  display: inline-block;
  width: 2ch;
  text-align: center;
}