:root {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  color: #20222a;
  background: #f7f2e9;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, #fffdf7, #ece5d8);
  transition: background 0.4s ease;
}

.clock {
  width: min(100%, 860px);
  padding: clamp(40px, 8vw, 80px) clamp(32px, 10vw, 104px);
  text-align: center;
  background: rgb(255 255 255 / 80%);
  border: 1px solid rgb(255 255 255 / 90%);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgb(82 67 45 / 14%);
}

.eyebrow {
  margin: 0 0 12px;
  color: #947042;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.5rem);
}

.current-time {
  margin: 28px 0 0;
  color: #6d6a65;
  font-variant-numeric: tabular-nums;
}

.message {
  margin: 20px 0 0;
  font-size: clamp(1.2rem, 4vw, 1.7rem);
  font-weight: 700;
  line-height: 1.7;
}

#note {
  font-size: 0.8rem;
}

body.sleeping {
  color: #e8ebf8;
  background: radial-gradient(circle at top, #394568, #141a30);
}

.sleeping .clock {
  background: rgb(25 33 61 / 75%);
  border-color: rgb(184 201 255 / 18%);
  box-shadow: 0 20px 60px rgb(3 7 21 / 35%);
}

.sleeping .eyebrow,
.sleeping .current-time {
  color: #b9c9f4;
}