/* ============================================================
   같은 그림 찾기 전용 스타일
   모티프: 조각보(전통 보자기 패치워크). 카드 뒷면과 상단 띠에 사용.
   카드 앞면은 라이트/다크 관계없이 항상 밝은 종이색으로 고정해서
   일러스트(배경 #FDFBF6로 통일 처리됨)가 어느 테마에서든 자연스럽다.
   ============================================================ */

:root {
  --jb-indigo: #2c4a6e;   /* 쪽빛 */
  --jb-gold: #e0a526;     /* 치자 */
  --jb-pink: #e8b4b8;     /* 연분홍 */
  --jb-red: #c23b30;      /* 주묵 */
  --card-face: #fdfbf6;   /* 카드 앞면: 항상 종이색 */
  --card-ink: #26221c;    /* 카드 앞면 글자: 항상 먹색 */
  --card-seam: #f3f0e8;   /* 조각보 솔기(박음선) */
}
:root[data-theme="dark"] {
  --jb-indigo: #253d5a;
  --jb-gold: #b9891f;
  --jb-pink: #b98a8e;
  --jb-red: #a13228;
  --card-seam: #17130e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --jb-indigo: #253d5a;
    --jb-gold: #b9891f;
    --jb-pink: #b98a8e;
    --jb-red: #a13228;
    --card-seam: #17130e;
  }
}

/* ---- 설정 ---- */
.mg-controls { display: flex; flex-direction: column; gap: var(--space-3); }
.mg-field { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.mg-lab {
  flex: 0 0 52px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-text-sub);
}
.mg-chips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.mg-chip {
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
  padding: 7px 13px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-text);
}
.mg-chip:hover:not(:disabled) { border-color: var(--color-primary); }
.mg-chip:disabled { opacity: .4; cursor: not-allowed; }
.mg-chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 700;
}
/* 옵션 토글은 선택 색을 옅게: 난이도·테마 선택과 시각적으로 구분 */
.mg-chip.mg-opt[aria-pressed="true"] {
  background: var(--color-primary-weak);
  color: var(--color-text);
  border-color: var(--color-grid-strong);
}
.mg-btn-new {
  font: inherit;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: auto;
  padding: 7px 16px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  background: transparent;
  color: var(--color-primary);
}
.mg-btn-new:hover { background: var(--color-primary); color: #fff; }

/* ---- 게임판 무대 ---- */
.mg-stage {
  position: relative;
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
/* 조각보 띠: 무대 상단에 얇게 */
.mg-stage::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--jb-indigo) 0 48px,
    var(--jb-pink) 48px 84px,
    var(--jb-gold) 84px 120px,
    var(--jb-red) 120px 148px);
  opacity: .85;
}

.mg-status {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: baseline;
  margin: 2px 0 var(--space-4);
  font-size: .9rem;
  color: var(--color-text-sub);
}
.mg-stat b {
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.mg-stat-best { margin-left: auto; }

/* ---- 카드 그리드 ---- */
.mg-board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  gap: 10px;
  max-width: 640px;
  margin: 0 auto;
}
.mg-board[data-cols="3"] { --cols: 3; }
.mg-board[data-cols="4"] { --cols: 4; }
.mg-board[data-cols="5"] { --cols: 5; }
.mg-board[data-cols="6"] { --cols: 6; }

.mg-card {
  position: relative;
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  perspective: 620px;
  -webkit-tap-highlight-color: transparent;
}
.mg-card:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 10px; }
.mg-in {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform .45s cubic-bezier(.2, .7, .3, 1.08);
}
.mg-card.is-up .mg-in { transform: rotateY(180deg); }
.mg-card:not(.is-up):hover .mg-in { transform: translateY(-3px); }

.mg-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 10px;
  overflow: hidden;
}

/* 카드 뒷면: 조각보 4색 조각 + 솔기 십자선 + 가운데 매듭 점 */
.mg-back {
  background:
    linear-gradient(var(--card-seam), var(--card-seam)) 50% 0 / 2px 100% no-repeat,
    linear-gradient(var(--card-seam), var(--card-seam)) 0 50% / 100% 2px no-repeat,
    conic-gradient(from 90deg at 50% 50%,
      var(--jb-indigo) 0 25%,
      var(--jb-pink) 0 50%,
      var(--jb-red) 0 75%,
      var(--jb-gold) 0);
  box-shadow: inset 0 0 0 3px var(--card-seam), inset 0 0 0 4px var(--color-border);
}
.mg-back::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 9px; height: 9px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--card-seam);
  border-radius: 2px;
}

/* 카드 앞면: 항상 밝은 종이색(다크모드에서도) */
.mg-front {
  transform: rotateY(180deg);
  display: grid;
  place-items: center;
  background: var(--card-face);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}
.mg-front img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mg-word {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(.9rem, 4.2vw, 1.45rem);
  letter-spacing: .02em;
  color: var(--card-ink);
  padding: 4px;
  text-align: center;
  word-break: keep-all;
}

/* 맞춘 쌍: 살짝 눌러앉는 느낌 + 붉은 테 */
.mg-card.is-matched { cursor: default; }
.mg-card.is-matched .mg-front {
  box-shadow: inset 0 0 0 3px var(--color-primary-weak);
}
.mg-card.is-matched .mg-in {
  animation: mg-settle .45s cubic-bezier(.3, .9, .4, 1.2);
  transform: rotateY(180deg) scale(.96);
}
@keyframes mg-settle {
  0% { transform: rotateY(180deg) scale(1); }
  45% { transform: rotateY(180deg) scale(1.06); }
  100% { transform: rotateY(180deg) scale(.96); }
}

/* 틀린 쌍: 짧게 도리도리 */
.mg-card.is-wrong .mg-in { animation: mg-shake .32s ease; }
@keyframes mg-shake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  30% { transform: rotateY(180deg) translateX(-5px); }
  60% { transform: rotateY(180deg) translateX(5px); }
}

/* 맞춘 그림 이름 토스트 */
.mg-toast {
  min-height: 1.4em;
  margin: var(--space-3) 0 0;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity .25s;
}
.mg-toast.is-on { opacity: 1; }

/* ---- 완료 오버레이 ---- */
.mg-win {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(2px);
}
.mg-win-panel {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-6) var(--space-6) var(--space-5);
  max-width: 320px;
  width: calc(100% - 48px);
}
.mg-win-label {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}
.mg-stars { margin: var(--space-2) 0 0; font-size: 1.5rem; letter-spacing: .12em; color: var(--jb-gold); }
.mg-stars .off { color: var(--color-border); }
.mg-win-stats { margin: var(--space-2) 0 0; color: var(--color-text); }
.mg-win-best { margin: 4px 0 0; font-size: .88rem; color: var(--color-text-sub); min-height: 1.3em; }
.mg-win-best .new-record { color: var(--color-primary); font-weight: 700; }
.mg-win-actions { display: flex; gap: 8px; justify-content: center; margin-top: var(--space-4); }
.mg-btn-primary {
  font: inherit; font-weight: 700; cursor: pointer;
  padding: 9px 20px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
}
.mg-btn-primary:hover { filter: brightness(1.07); }
.mg-btn-ghost {
  font: inherit; cursor: pointer;
  padding: 9px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text);
}
.mg-btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* 완료 연출: 조각보 색조각이 패널 안에서 떨어진다 */
.mg-bits { position: absolute; inset: 0; pointer-events: none; }
.mg-bit {
  position: absolute;
  top: -18px;
  width: 9px; height: 13px;
  border-radius: 2px;
  animation: mg-fall linear forwards;
}
@keyframes mg-fall {
  to { transform: translateY(420px) rotate(560deg); opacity: .1; }
}

/* ---- 모바일 ---- */
@media (max-width: 560px) {
  .mg-board { gap: 7px; }
  /* 좁은 화면에서는 5·6열을 4열로 재배치(카드가 너무 작아지지 않게) */
  .mg-board[data-cols="5"], .mg-board[data-cols="6"] { --cols: 4; }
  .mg-lab { flex-basis: 100%; }
  .mg-btn-new { margin-left: 0; }
}

/* ---- 모션 최소화 설정 존중 ---- */
@media (prefers-reduced-motion: reduce) {
  .mg-in { transition: none; }
  .mg-card.is-matched .mg-in, .mg-card.is-wrong .mg-in { animation: none; }
  .mg-card:not(.is-up):hover .mg-in { transform: none; }
  .mg-bit { display: none; }
}