/* =========================
   GAME: PUZZLE BUILDER
========================= */

.puzzle-game {
  position: relative;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  font-family: "Fredoka", Arial, sans-serif;
  color: #000;
  overflow: hidden;
  touch-action: none;
}

.puzzle-top-controls {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto auto auto;
  gap: 12px;
  align-items: center;
}

.puzzle-word-chip,
.puzzle-progress-box,
.puzzle-difficulty-box,
.puzzle-instructions {
  background: #bff1ea;
  border: 6px solid #000;
  border-radius: 20px;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.22);
}

.puzzle-word-chip {
  min-height: 64px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.puzzle-word-chip span {
  font-size: 32px;
}

.puzzle-word-chip strong {
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.puzzle-progress-box {
  min-width: 116px;
  min-height: 64px;
  padding: 6px 14px;
  background: #d3ff00;
  display: grid;
  place-items: center;
  text-align: center;
}

.puzzle-progress-box strong {
  font-size: 28px;
  line-height: 0.95;
}

.puzzle-progress-box span {
  font-size: 14px;
  font-weight: 900;
}

.puzzle-difficulty-box {
  min-height: 64px;
  padding: 7px;
  display: flex;
  gap: 7px;
  background: #ffe9ff;
}

.puzzle-difficulty-box button,
.puzzle-new-btn {
  height: 46px;
  padding: 0 14px;
  font-family: "Fredoka", Arial, sans-serif;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 4px 4px 0 #000;
}

.puzzle-difficulty-box button {
  background: #fff;
}

.puzzle-difficulty-box button.active {
  background: #23d8ff;
}

.puzzle-new-btn {
  width: 68px;
  min-height: 64px;
  font-size: 30px;
  background: #ff9b42;
}

.puzzle-main {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 310px);
  gap: 16px;
  overflow: hidden;
}

.puzzle-board-area {
  min-height: 0;
  background:
    radial-gradient(circle at 18% 15%, rgba(255,255,255,0.45), transparent 18%),
    radial-gradient(circle at 82% 78%, rgba(255,79,216,0.18), transparent 22%),
    #99ddf3;
  border: 8px solid #000;
  border-radius: 28px;
  padding: 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: inset -8px -8px 0 rgba(0,0,0,0.12);
}

.puzzle-board {
  width: min(74vh, 100%);
  height: min(74vh, 100%);
  max-width: 720px;
  max-height: 720px;
  aspect-ratio: 1 / 1;
  display: grid;
  grid-template-columns: repeat(var(--puzzle-grid-size), 1fr);
  grid-template-rows: repeat(var(--puzzle-grid-size), 1fr);
  gap: 10px;
  padding: 10px;
  background: #fff0a8;
  border: 8px solid #000;
  border-radius: 24px;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.23);
}

.puzzle-slot {
  position: relative;
  background: rgba(255,255,255,0.6);
  border: 5px dashed rgba(0,0,0,0.72);
  border-radius: 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.puzzle-slot-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 4px solid #000;
  border-radius: 50%;
  background: #bff1ea;
  font-size: 20px;
  font-weight: 900;
  opacity: 0.65;
}

.puzzle-slot.filled {
  border-style: solid;
  background: #fff;
}

.puzzle-slot.wrong {
  animation: puzzleWrong 0.25s linear 2;
  background: #ffb4b4;
}

.puzzle-slot-piece,
.puzzle-piece,
.puzzle-drag-ghost {
  background-repeat: no-repeat;
  background-color: #fff;
}

.puzzle-slot-piece {
  width: 100%;
  height: 100%;
}

.puzzle-side {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.puzzle-instructions {
  padding: 14px;
  background: #ffe9ff;
}

.puzzle-instructions strong {
  display: block;
  font-size: 22px;
  margin-bottom: 4px;
}

.puzzle-instructions span {
  display: block;
  font-size: 16px;
  font-weight: 900;
}

.puzzle-piece-bank {
  min-height: 0;
  overflow-y: auto;
  background: #e8cdef;
  border: 7px solid #000;
  border-radius: 24px;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(90px, 1fr));
  align-content: start;
  gap: 12px;
  box-shadow: inset -6px -6px 0 rgba(0,0,0,0.13);
}

.puzzle-piece {
  aspect-ratio: 1 / 1;
  width: 100%;
  min-width: 0;
  border: 5px solid #000;
  border-radius: 18px;
  padding: 0;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.22);
  touch-action: none;
  user-select: none;
  -webkit-user-drag: none;
}

.puzzle-piece:hover {
  transform: translateY(-3px) scale(1.02);
}

.puzzle-piece.dragging {
  opacity: 0.25;
}

.puzzle-drag-ghost {
  position: fixed;
  left: 0;
  top: 0;
  border: 6px solid #000;
  border-radius: 18px;
  box-shadow: 10px 10px 0 rgba(0,0,0,0.28);
  pointer-events: none;
  z-index: 999999;
}

.puzzle-message {
  position: absolute;
  left: 50%;
  top: 54%;
  transform: translate(-50%, -50%);
  z-index: 60;
  border: 7px solid #000;
  border-radius: 22px;
  padding: 18px 28px;
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 900;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.28);
}

.puzzle-message.correct {
  background: #d3ff00;
}

.puzzle-message.wrong,
.puzzle-message.warning {
  background: #ffb4b4;
}

.puzzle-message.hidden,
.puzzle-celebration.hidden {
  display: none !important;
}

.puzzle-celebration {
  position: absolute;
  inset: 0;
  z-index: 80;
  background: rgba(255, 233, 255, 0.9);
  display: grid;
  place-items: center;
  text-align: center;
}

.puzzle-win-card {
  width: min(520px, 92%);
  background: #fff0a8;
  border: 9px solid #000;
  border-radius: 30px;
  padding: 24px;
  box-shadow: 14px 14px 0 rgba(0,0,0,0.3);
  animation: puzzleWinPop 0.45s ease both;
}

.puzzle-win-stars {
  font-size: 44px;
  animation: puzzleSparkle 0.8s ease-in-out infinite;
}

.puzzle-win-card h2 {
  margin: 8px 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1;
}

.puzzle-win-card p {
  margin: 0 0 14px;
  background: #d3ff00;
  border: 6px solid #000;
  border-radius: 18px;
  padding: 10px;
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 900;
}

.puzzle-win-card img {
  width: min(220px, 60%);
  height: 170px;
  object-fit: contain;
  display: block;
  margin: 0 auto 16px;
  -webkit-user-drag: none;
}

.puzzle-win-card button {
  background: #23d8ff;
  font-size: 22px;
}

.puzzle-error-box {
  max-width: 560px;
  margin: 80px auto;
  background: #fff0a8;
  border: 7px solid #000;
  border-radius: 26px;
  padding: 28px;
  text-align: center;
  font-family: "Fredoka", Arial, sans-serif;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.25);
}

.puzzle-error-box h2 {
  font-size: 36px;
  margin-top: 0;
}

.puzzle-error-box p {
  font-size: 22px;
  font-weight: 800;
}

@keyframes puzzleWrong {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

@keyframes puzzleWinPop {
  from {
    opacity: 0;
    transform: scale(0.75) rotate(-4deg);
  }

  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes puzzleSparkle {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

@media (max-width: 900px) {
  .puzzle-main {
    grid-template-columns: 1fr;
  }

  .puzzle-side {
    grid-template-rows: auto auto;
  }

  .puzzle-piece-bank {
    grid-template-columns: repeat(4, minmax(70px, 1fr));
    overflow-y: visible;
  }
}

@media (max-width: 650px) {
  .puzzle-top-controls {
    grid-template-columns: 1fr 90px;
  }

  .puzzle-difficulty-box {
    grid-column: 1 / -1;
  }

  .puzzle-board-area {
    padding: 10px;
  }

  .puzzle-board {
    gap: 6px;
    padding: 6px;
  }

  .puzzle-slot {
    border-width: 4px;
    border-radius: 12px;
  }

  .puzzle-piece-bank {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* Touchscreen drag accuracy fix */
.puzzle-drag-ghost {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

.puzzle-game,
.puzzle-game * {
  -webkit-tap-highlight-color: transparent;
}