@font-face {
  font-family: "Gowun Batang";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/gowun-batang-400.woff2") format("woff2");
}

:root {
  --ink: #f2ece4;
  --dim: rgba(242, 236, 228, 0.42);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  /* 위에 높이 74px 짜리 내비게이션이 떠 있다. 카드가 그 아래에서 시작하게 민다.
	   stage.js 의 CHROME 과 같은 값이어야 한다 */
  --chrome: 74px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #080b16;
  color: var(--ink);
  font-family:
    "Gowun Batang", "AppleMyungjo", "Apple SD Gothic Neo", "Nanum Myeongjo",
    Batang, serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* WebGL 을 못 쓰는 환경. 카드 없이 색과 글만 남는다 */
body.is-flat #bg {
  display: none;
}

body.is-flat {
  background: radial-gradient(
    130% 100% at 50% 42%,
    var(--flat-2, #2b3663) 0%,
    var(--flat-1, #080b16) 72%
  );
  transition: background 1.6s var(--ease);
}

/* ── 글자판. 카드 위에 겹쳐 뜨는 제목·힌트·진행 막대 ───────── */

.stage {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  row-gap: clamp(0.6rem, 1.8vh, 1.1rem);
  padding: calc(var(--chrome) + 0.75rem) clamp(0.9rem, 3.5vw, 3.25rem)
    clamp(1.1rem, 3.4vh, 2.2rem);
  user-select: none;
  outline: none;
  pointer-events: none;
}

/* 읽는 동안에는 어디를 눌러도 다음 줄로 넘어간다 */
body.is-reading .stage {
  pointer-events: auto;
  cursor: pointer;
}

.title {
  margin: 0;
  text-align: center;
  font-size: clamp(0.92rem, 3.4vw, 1.15rem);
  letter-spacing: 0.44em;
  text-indent: 0.44em;
  color: rgba(242, 236, 228, 0.76);
  text-shadow: 0 0.08em 1.2em rgba(0, 0, 0, 0.6);
  transition: opacity 0.9s var(--ease);
}

body.is-reading .title {
  opacity: 0.34;
}

/* 카드가 놓이는 자리. 그림은 WebGL 이 그리고, 여기는 자리만 잡는다 */
.deck {
  position: relative;
}

.hint {
  margin: 0;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--dim);
  white-space: nowrap;
  animation: breathe 3.4s ease-in-out infinite;
  transition: opacity 0.5s var(--ease);
}

/* 애니메이션이 opacity 를 계속 덮어쓰므로, 숨길 때는 애니메이션부터 끈다 */
.hint.is-gone {
  animation: none;
  opacity: 0;
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.32;
  }
  50% {
    opacity: 0.72;
  }
}

.meter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  transition: opacity 0.7s var(--ease);
}

/* 고르는 동안에는 셀 것이 없다 */
body.is-picking .meter {
  opacity: 0;
}

.meter__bar {
  position: relative;
  width: clamp(3.5rem, 18vw, 7rem);
  height: 1px;
  background: rgba(242, 236, 228, 0.18);
  overflow: hidden;
}

.meter__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--ink);
  transition: width 0.6s var(--ease);
}

/* ── 카드를 짚는 자리 ──────────────────────────────────────── */

.picks {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.picks.is-off {
  visibility: hidden;
}

.pick {
  position: absolute;
  appearance: none;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
  pointer-events: auto;
  outline: none;
  /* 손가락으로 카드를 끌 때 화면이 따라 움직이지 않게 */
  touch-action: none;
}

.pick:disabled {
  pointer-events: none;
  cursor: default;
}

/* 카드 그림은 WebGL 안에 있어서 포커스를 받은 티를 CSS 로 덧그린다 */
.pick:focus-visible {
  box-shadow:
    0 0 0 2px rgba(242, 236, 228, 0.9),
    0 0 1.6em rgba(242, 236, 228, 0.4);
}

/* ── WebGL 이 없을 때 글만 띄우는 자리 ─────────────────────── */

.verse {
  display: none;
}

body.is-flat .verse {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 1;
  transform: translate(-50%, -50%);
  width: min(36rem, 86vw);
  display: flex;
  flex-direction: column;
  gap: clamp(0.7rem, 2.2vh, 1.15rem);
  text-align: center;
  transition: opacity 0.42s var(--ease);
  pointer-events: none;
}

.verse.is-leaving {
  opacity: 0;
}

.line {
  margin: 0;
  font-size: clamp(1.35rem, 5.2vw, 2.2rem);
  font-weight: 400;
  line-height: 1.62;
  letter-spacing: -0.015em;
  word-break: keep-all;
  text-wrap: balance;
  text-shadow: 0 0.08em 1.4em rgba(0, 0, 0, 0.55);
  opacity: 0;
  transform: translateY(0.7em);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}

.line.is-in {
  opacity: 1;
  transform: none;
}

/* 지난 줄은 조금 물러서서, 지금 줄이 앞에 오게 한다 */
.line.is-past {
  opacity: 0.46;
}

/* ── 마침 ──────────────────────────────────────────────────── */

.outro {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 1.6rem;
  justify-items: center;
  text-align: center;
  padding: var(--chrome) 1.5rem 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s var(--ease);
}

.outro.is-in {
  opacity: 1;
  pointer-events: auto;
}

.outro__mark {
  margin: 0;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--dim);
}

.outro__count {
  margin: 0;
  font-size: clamp(1.5rem, 5.5vw, 2.1rem);
  line-height: 1.6;
  word-break: keep-all;
}

.again {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(242, 236, 228, 0.3);
  border-radius: 999px;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  padding: 0.7rem 1.6rem;
  cursor: pointer;
  transition:
    border-color 0.3s var(--ease),
    background 0.3s var(--ease);
}

.again:hover,
.again:focus-visible {
  border-color: var(--ink);
  background: rgba(242, 236, 228, 0.08);
}

/* ── 음소거 — 소리가 나는 작품이면 끌 수 있어야 한다 ───────── */

.mute {
  position: fixed;
  z-index: 4;
  right: clamp(0.9rem, 3vw, 1.6rem);
  bottom: clamp(0.9rem, 3vh, 1.6rem);
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  padding: 0;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease);
}

.mute.is-ready {
  opacity: 0.4;
  pointer-events: auto;
}

.mute.is-ready:hover,
.mute.is-ready:focus-visible {
  opacity: 0.9;
}

.mute svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mute .mute__horn {
  fill: var(--ink);
  stroke-width: 1;
}

.mute .mute__off {
  display: none;
}

.mute[aria-pressed="true"] .mute__on {
  display: none;
}

.mute[aria-pressed="true"] .mute__off {
  display: inline;
}

@media (prefers-reduced-motion: reduce) {
  .line,
  .verse,
  .outro,
  .title,
  .meter,
  .meter__bar i,
  .mute {
    transition-duration: 0.01ms;
  }
  .hint {
    animation: none;
    opacity: 0.5;
  }
}