:root {
  color-scheme: light;
  --paper: #faf8f3;
  --ink: #4a4a4a;
  --soft-ink: #737067;
  --quiet-ink: #aaa59a;
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Noto Serif SC",
    "Songti SC",
    "SimSun",
    serif;
  letter-spacing: 0;
}

.page {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: var(--paper);
}

.words,
.today-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(76vw, 520px);
  transform: translate(-50%, -50%);
  text-align: center;
}

.line,
.today-title,
.today-sentence {
  margin: 0;
  font-weight: 400;
}

.line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  opacity: 0;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 2.15;
  transition: opacity 1.7s ease;
}

.line.is-visible {
  opacity: 1;
}

.dog {
  position: absolute;
  left: clamp(22px, 5vw, 56px);
  bottom: clamp(26px, 6vh, 58px);
  width: auto;
  height: clamp(60px, 9svh, 99px);
  user-select: none;
  pointer-events: none;
}

.today-link {
  position: absolute;
  left: 50%;
  bottom: clamp(150px, 24vh, 220px);
  transform: translate(-50%, 6px);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--quiet-ink);
  font: inherit;
  font-size: 14px;
  line-height: 1;
  opacity: 0;
  animation: none;
  cursor: pointer;
  transition:
    color 0.8s ease,
    transform 0.8s ease;
}

.today-link.is-ready {
  animation:
    today-appears 1.8s ease forwards,
    today-breath 5.8s ease-in-out 1.8s infinite;
}

.today-link:hover {
  color: var(--soft-ink);
  transform: translate(-50%, -1px);
}

.today-link:focus-visible {
  outline: 1px solid var(--soft-ink);
  outline-offset: 7px;
}

.today-panel {
  top: 50%;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.today-panel[hidden] {
  display: block;
  visibility: hidden;
}

.page.is-today .words {
  opacity: 0;
  transition: opacity 1.2s ease;
}

.page.is-today .today-panel {
  opacity: 1;
  visibility: visible;
}

.page.is-today .today-link {
  animation: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}

.today-title {
  color: var(--ink);
  font-size: clamp(18px, 2.3vw, 25px);
  line-height: 2.2;
}

.today-sentence {
  color: var(--soft-ink);
  font-size: clamp(15px, 1.9vw, 20px);
  line-height: 2.15;
}

@keyframes quiet-fade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes single-line {
  0%,
  100% {
    opacity: 0;
  }

  32%,
  68% {
    opacity: 1;
  }
}

@keyframes today-appears {
  from {
    opacity: 0;
    transform: translate(-50%, 6px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes today-breath {
  0%,
  100% {
    opacity: 0.82;
    transform: translate(-50%, 0);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .line,
  .today-link {
    animation-duration: 0.01ms;
    animation-delay: 0s;
  }

  .line {
    display: none;
  }

  .line-three {
    display: block;
    opacity: 1;
  }
}