/* ============================================================
   자음모음 조합 게임 전용 스타일
   - 타일이 곧 자판이다: 자음·모음 낱자를 키캡처럼. 모음 타일은
     색을 달리해 자음과 한눈에 구분되게 한다.
   - 답 칸(위)에는 조립 중인 글자가 실시간으로 나타난다. 탭하면
     마지막 자모가 타일로 돌아가므로 버튼처럼 보이게 한다.
   ============================================================ */

:root {
  --ja-tile-bg: var(--color-surface);
  --ja-tile-line: var(--color-border);
  --ja-vowel-bg: #fdeeda;
  --ja-vowel-line: #e3c9a3;
  --ja-ok: #2f7d4a;
  --ja-ok-weak: #e2efe4;
  --ja-bad: #c0392b;
  --ja-reveal: #8a6d3b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ja-vowel-bg: #2c2317;
    --ja-vowel-line: #55432a;
    --ja-ok: #7fd694;
    --ja-ok-weak: #22331f;
    --ja-bad: #ff8f7d;
    --ja-reveal: #d6b56b;
  }
}
:root[data-theme="dark"] {
  --ja-vowel-bg: #2c2317;
  --ja-vowel-line: #55432a;
  --ja-ok: #7fd694;
  --ja-ok-weak: #22331f;
  --ja-bad: #ff8f7d;
  --ja-reveal: #d6b56b;
}

/* ---- 도입부 ---- */
.tool-intro { padding: clamp(30px, 5vw, 56px) 0 clamp(18px, 3vw, 30px); }
.tool-intro h1 { margin: 0 0 var(--space-4); }
.tool-intro .eyebrow {
  margin: 0 0 var(--space-2);
  font-size: .85rem;
  letter-spacing: .08em;
  color: var(--color-primary);
}
.tool-intro .accent { color: var(--color-primary); }
.tool-intro .lead {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-text-sub);
  max-width: 52ch;
  margin: 0;
}
.tool-intro .lead strong { color: var(--color-text); }
.tool-intro .lead-note {
  margin: var(--space-3) 0 0;
  font-size: .88rem;
  color: var(--color-text-sub);
}

/* ---- 난이도 선택 ---- */
.ja-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}
.ja-lab { font-size: .9rem; color: var(--color-text-sub); }
.ja-chips { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.ja-chip {
  font: inherit;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}
.ja-chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fdfbf6;
}
.ja-note { font-size: .85rem; color: var(--color-text-sub); }

/* ---- 게임판 ---- */
.ja-stage {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(16px, 3vw, 28px);
  margin-bottom: var(--space-6);
  min-height: 400px;
}
.ja-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  font-size: .9rem;
  color: var(--color-text-sub);
  margin-bottom: var(--space-4);
}
.ja-status b { color: var(--color-text); }

.ja-dots { display: flex; gap: 6px; }
.ja-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.ja-dot.is-now { background: var(--color-text-sub); }
.ja-dot.is-full { background: var(--ja-ok); }
.ja-dot.is-half { background: var(--ja-reveal); }
.ja-dot.is-zero { background: var(--ja-bad); }

.ja-cat {
  display: inline-block;
  font-size: .85rem;
  color: var(--color-primary);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: var(--space-4);
}

/* 답 칸: 조립 중인 글자가 나타난다 */
.ja-slots {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(6px, 1.5vw, 10px);
  margin: var(--space-4) 0 var(--space-5);
  min-height: 64px;
}
.ja-slot {
  width: clamp(52px, 14vw, 68px);
  height: clamp(52px, 14vw, 68px);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.4rem, 5vw, 1.8rem);
  font-weight: 700;
  color: var(--color-text);
  background: transparent;
}
.ja-slot.is-filled {
  border-style: solid;
  border-color: var(--color-primary);
  background: var(--color-primary-weak);
  cursor: pointer;
  font-family: inherit;
}
.ja-slots.is-correct .ja-slot.is-filled {
  border-color: var(--ja-ok);
  background: var(--ja-ok-weak);
  color: var(--ja-ok);
}
.ja-slots.is-reveal .ja-slot.is-filled {
  border-color: var(--ja-reveal);
  background: transparent;
  color: var(--ja-reveal);
}
.ja-slots.is-wrong { animation: ja-shake .4s; }
@keyframes ja-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

/* 자모 타일: 낱자 키캡. 모음은 색으로 구분 */
.ja-tiles {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(6px, 1.6vw, 10px);
  max-width: 460px;
  margin: 0 auto var(--space-5);
}
.ja-tile {
  width: clamp(44px, 11vw, 56px);
  height: clamp(44px, 11vw, 56px);
  border: 1px solid var(--ja-tile-line);
  border-bottom-width: 3px;
  border-radius: var(--radius-sm);
  background: var(--ja-tile-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 4.5vw, 1.6rem);
  font-weight: 700;
  cursor: pointer;
  transition: transform .08s;
}
.ja-tile.is-vowel {
  background: var(--ja-vowel-bg);
  border-color: var(--ja-vowel-line);
}
.ja-tile:nth-child(odd) { transform: rotate(-1.2deg); }
.ja-tile:nth-child(even) { transform: rotate(1.2deg); }
.ja-tile:hover:not(:disabled) { transform: translateY(-3px) rotate(0deg); }
.ja-tile:active:not(:disabled) { transform: translateY(0); }
.ja-tile.is-used {
  opacity: .25;
  cursor: default;
  border-bottom-width: 1px;
}

/* 보조 버튼 */
.ja-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.ja-btn {
  font: inherit;
  padding: 9px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}
.ja-btn:hover:not(:disabled) { border-color: var(--color-text-sub); }
.ja-btn:disabled { opacity: .4; cursor: default; }
.ja-btn-quiet { color: var(--color-text-sub); border-style: dashed; }

.ja-msg {
  text-align: center;
  min-height: 1.6em;
  margin: var(--space-4) 0 0;
  font-size: .95rem;
  color: var(--color-text-sub);
}

/* ---- 시작 / 종료 오버레이 ---- */
.ja-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 340px;
  gap: var(--space-3);
}
.ja-over-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
}
.ja-over-sub { margin: 0; color: var(--color-text-sub); font-size: .95rem; }
.ja-over-demo {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text-sub);
  letter-spacing: .14em;
}
.ja-over-demo b { color: var(--color-primary); letter-spacing: 0; }
.ja-btn-big {
  font: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 44px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fdfbf6;
  cursor: pointer;
  margin-top: var(--space-2);
}
.ja-btn-big:hover { filter: brightness(1.06); }

.ja-score {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1.1;
}
.ja-score small { font-size: 1.1rem; color: var(--color-text-sub); font-family: var(--font-sans); }
.ja-grade { margin: 0; color: var(--color-text); }
.ja-best-line { margin: 0; font-size: .9rem; color: var(--color-primary); }

.ja-endlist {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  width: min(360px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 20px;
  font-size: .95rem;
  text-align: left;
}
.ja-endlist li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 4px;
}
.ja-endlist .m2 { color: var(--ja-ok); }
.ja-endlist .m1 { color: var(--ja-reveal); }
.ja-endlist .m0 { color: var(--ja-bad); font-weight: 400; font-size: .85rem; }

@media (max-width: 420px) {
  .ja-endlist { grid-template-columns: 1fr; }
}