@font-face {
  font-family: "ZCOOL XiaoWei";
  src: url("fonts/zcool-xiaowei.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #13264d;
  --night: #0a0a1c;
  --paper: #e8eef8;
  --ink: #0f1626;
  --ink-soft: #525b6b;
  --line: #c5d0e4;
  --mist: #dce8f8;
  --pass: #1d6b45;
  --miss: #9a3030;
  --art: "ZCOOL XiaoWei", "Songti SC", "STSong", "Noto Serif SC", serif;
  --song: "Songti SC", "STSong", "Noto Serif SC", serif;
  --ui: "PingFang SC", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--ui);
  background: var(--navy);
  color: var(--mist);
}

.stage {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  padding: 28px 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.sheet,
.card,
.finale {
  display: inline-block;
  width: min(40rem, calc(100% - 32px));
  margin-left: 0;
  margin-right: 0;
  vertical-align: top;
  text-align: center;
  background-color: var(--paper);
  background-image: radial-gradient(rgba(19, 38, 77, 0.22) 0.65px, transparent 0.75px);
  background-size: 5px 5px;
  color: var(--ink);
  border-top: 10px solid var(--night);
}

.finale[hidden],
.welcome[hidden],
.card[hidden] {
  display: none !important;
}

button.welcome {
  display: block;
  width: 100%;
  max-width: none;
  min-height: 100vh;
  min-height: 100dvh;
  height: auto;
  margin: -28px 0 -40px;
  padding: 18vh 0 22vh;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: center;
}

button.welcome:hover,
button.welcome:focus-visible {
  background: transparent;
}

.welcome .sheet {
  display: inline-block;
  padding: 36px 28px 32px;
  text-align: center;
}

.welcome-line {
  font-family: var(--art);
  font-size: clamp(1.55rem, 4.8vw, 2.15rem);
  line-height: 1.7;
  opacity: 0;
}

.welcome.is-in .welcome-line {
  animation: emerge 2.6s ease forwards;
}

.welcome-hint {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--song);
  font-size: 0.92rem;
  color: var(--ink-soft);
  opacity: 0;
}

.welcome.is-in .welcome-hint {
  animation: emerge 1.4s ease 1.7s forwards;
}

.card,
.finale {
  margin-left: auto;
  margin-right: auto;
}

.card {
  display: block;
  padding: 28px 22px 22px;
  text-align: center;
}

.kicker {
  margin: 0 0 14px;
  font-family: var(--song);
  font-size: 0.95rem;
  color: var(--ink-soft);
}

h1 {
  margin: 0 0 12px;
  font-family: var(--song);
  font-weight: 400;
  font-size: 1.7rem;
  line-height: 1.3;
}

.lead {
  margin: 0 0 22px;
  font-family: var(--song);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.station {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.station strong {
  font-family: var(--song);
  font-weight: 400;
  font-size: 1.05rem;
}

.track {
  height: 2px;
  background: #d3dced;
  margin-bottom: 22px;
}

.track-fill {
  height: 100%;
  background: var(--night);
  width: 0;
}

.clue {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 18px;
  border: 1px solid var(--line);
}

.art,
.prompt,
.reveal,
.finale-line,
.finale-letters,
.finale-name,
.finale-cheer {
  font-family: var(--art);
}

.prompt {
  margin: 0 0 22px;
  font-size: 1.42rem;
  line-height: 1.75;
  text-align: center;
  white-space: pre-line;
}

.reveal {
  margin: 8px 0 0;
  font-size: 1.42rem;
  line-height: 1.8;
  text-align: center;
  opacity: 0;
}

.reveal.is-in { animation: emerge 0.9s ease forwards; }

.reveal.passage {
  font-size: 1.22rem;
  line-height: 1.85;
}

form { display: grid; gap: 10px; }

label {
  font-family: var(--song);
  font-size: 0.95rem;
  color: var(--ink-soft);
}

input {
  width: 100%;
  height: 48px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  background: #f7f9fd;
  color: var(--ink);
  font-family: var(--ui);
  font-size: 1.05rem;
}

input:focus {
  outline: 2px solid var(--navy);
  outline-offset: 1px;
}

button {
  width: 100%;
  height: 48px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--song);
  font-size: 1.02rem;
  cursor: pointer;
}

button:hover { background: #1c2740; }

button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

button.quiet {
  width: auto;
  height: auto;
  margin-top: 14px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button.quiet:hover { background: transparent; color: var(--ink); }

button.finale-restart {
  margin-top: 1.6rem;
}

.feedback {
  min-height: 1.5em;
  margin: 12px 0 0;
  font-family: var(--song);
  font-size: 1rem;
}

.feedback.bad { color: var(--miss); }
.feedback.good { color: var(--pass); }

.card.shake { animation: nudge 0.35s ease; }

@keyframes nudge {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.finale {
  min-height: auto;
  margin: 0;
  padding: 40px 28px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  text-align: center;
}

.finale-line,
.finale-name,
.finale-cheer,
.finale-grid {
  margin: 0;
  opacity: 0;
}

.finale-line {
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.6;
}

.finale.is-in .finale-line { animation: emerge 1.05s ease forwards; }
.finale.is-in .finale-line:nth-child(2) { animation-delay: 1.15s; }
.finale.is-in .finale-line:nth-child(3) { animation-delay: 2.3s; }
.finale.is-in .finale-line:nth-child(4) { animation-delay: 3.45s; }

.finale-letters {
  font-size: clamp(1.35rem, 4.2vw, 1.8rem);
  white-space: pre;
  word-spacing: 0.45em;
}

.glyph { display: inline-block; }

.letter-board {
  position: relative;
  margin: 0.4rem auto 0;
}

.glyph.flying {
  position: absolute;
  width: 1.2em;
  margin: 0;
  text-align: center;
}

.glyph.spinning { animation: spin 0.9s linear infinite; }

.glyph.flying.settle {
  transition: left 0.75s ease, top 0.75s ease;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.finale-ask {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

button.rearrange {
  width: auto;
  height: auto;
  padding: 0.4rem 0.85rem;
  font-family: var(--ui);
  font-size: 0.92rem;
}

button.rearrange:disabled {
  cursor: default;
  opacity: 0.7;
}

.finale-grid {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
}

.finale-grid.is-in { animation: emerge 0.45s ease forwards; }
.finale-grid.is-out,
.letter-board.is-out { animation: vanish 0.6s ease forwards; }

@keyframes emerge {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes vanish {
  to { opacity: 0; }
}

.finale-name {
  font-size: clamp(3.4rem, 14vw, 5.6rem);
  line-height: 1.15;
}

.finale-name.is-in,
.finale-cheer.is-in {
  animation: emerge 1.1s ease forwards;
}

.finale.is-settled .finale-name,
.finale.is-settled .finale-cheer {
  opacity: 1;
}

.finale-cheer { font-size: clamp(1.35rem, 4vw, 1.8rem); }

@media (prefers-reduced-motion: reduce) {
  .card.shake { animation: none; }
  .welcome.is-in .welcome-line,
  .welcome.is-in .welcome-hint,
  .reveal.is-in,
  .finale.is-in .finale-line,
  .finale-grid.is-in,
  .finale-name.is-in,
  .finale-cheer.is-in {
    animation: none;
    opacity: 1;
  }
  .glyph.spinning,
  .finale-grid.is-out { animation: none; }
}