/* Game area */

.game-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1rem;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.prompt {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  padding: 0.75rem 0;
}

/* Solved groups */
.solved-groups {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solved-group {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  text-align: center;
  transform-origin: center;
}

.solved-group.reveal {
  animation: group-grow 0.6s ease forwards;
}

.solved-group .group-category {
  font-weight: 800;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.solved-group .group-words {
  font-size: 0.85rem;
  margin-top: 0.3rem;
  font-weight: 500;
}

/* Difficulty colors */
.solved-group.diff-0 { background-color: var(--accent-yellow); color: #282a36; }
.solved-group.diff-1 { background-color: var(--accent-green); color: #282a36; }
.solved-group.diff-2 { background-color: var(--accent-cyan); color: #282a36; }
.solved-group.diff-3 { background-color: var(--accent-purple); color: #fff; }

[data-theme="light"] .solved-group.diff-1 { color: #fff; }
[data-theme="light"] .solved-group.diff-2 { color: #fff; }

@keyframes group-grow {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Word grid */
.word-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 8px 0;
}

.word-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1.45 / 1;
  padding: 0.5rem;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: none;
  outline: none;
  -webkit-appearance: none;
  font-size: clamp(0.85rem, 3vw, 1.15rem);
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  user-select: none;
  word-break: break-word;
  line-height: 1.2;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.word-tile:hover {
  background-color: var(--bg-selection);
}

.word-tile:focus-visible {
  outline: 2px solid var(--accent-purple);
  outline-offset: 2px;
}

.word-tile:active {
  transform: scale(0.96);
}

/* Selection */
.word-tile.selected {
  background-color: var(--accent-purple);
  color: #fff;
}

.word-tile.selected:hover {
  background-color: var(--accent-purple);
}

/* Fade out selected tiles on correct guess */
.word-tile.fade-out {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

/* Shake animation for wrong guess */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  15%, 55% { transform: translateX(-5px); }
  35%, 75% { transform: translateX(5px); }
}

.word-tile.shake {
  animation: shake 0.4s ease-in-out;
}

/* Mistakes */
.mistakes {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0;
  font-size: 0.875rem;
  color: var(--fg-secondary);
}

.dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--fg-primary);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.dot.used {
  opacity: 0;
  transform: scale(0);
}

/* Controls */
.controls {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 0 2rem;
}

.controls .btn {
  min-width: 110px;
  padding: 0.7rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  background: transparent;
  color: var(--fg-primary);
  border: 2px solid var(--fg-primary);
  transition: background-color 0.15s, color 0.15s, opacity 0.15s;
}

.controls .btn:hover {
  background-color: var(--fg-primary);
  color: var(--bg-primary);
}

#submit-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

#submit-btn:disabled:hover {
  background: transparent;
  color: var(--fg-primary);
}

/* Modal results */
.modal-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 1.25rem;
  width: 100%;
}

.modal-result-row {
  border-radius: var(--radius);
  padding: 0.65rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.modal-result-row.diff-0 { background-color: var(--accent-yellow); color: #282a36; }
.modal-result-row.diff-1 { background-color: var(--accent-green); color: #282a36; }
.modal-result-row.diff-2 { background-color: var(--accent-cyan); color: #282a36; }
.modal-result-row.diff-3 { background-color: var(--accent-purple); color: #fff; }

[data-theme="light"] .modal-result-row.diff-1 { color: #fff; }
[data-theme="light"] .modal-result-row.diff-2 { color: #fff; }

/* Responsive */
@media (max-width: 420px) {
  .word-tile {
    padding: 0.4rem;
    font-size: 0.7rem;
  }

  .controls .btn {
    min-width: 85px;
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem;
  }
}

/* Desktop: tighten spacing for scaled layout */
@media (min-width: 1024px) {
  .prompt {
    padding: 0.4rem 0;
  }

  .controls {
    padding: 0.25rem 0 1rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .word-tile,
  .dot,
  .solved-group,
  .toast {
    transition: none;
    animation: none;
  }
}