/* ============================================
   Word Search — Game-Specific Styles
   ============================================ */

/* ---------- Category grid in settings ---------- */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.category-btn {
  background-color: var(--bg-input);
  border: 2px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 6px;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 13px;
  font-weight: bold;
  font-family: inherit;
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.category-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Game toolbar ---------- */
.game-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  font-size: 15px;
  flex-wrap: wrap;
  gap: 8px;
}

.toolbar-label {
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toolbar-value {
  color: var(--accent);
  font-weight: 700;
}

.toolbar-center {
  color: var(--text-heading);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.timer-icon {
  font-size: 16px;
  opacity: 0.7;
}

.toolbar-right {
  color: var(--text-primary);
  font-weight: 700;
}

/* ---------- Game board layout ---------- */
.game-board-container {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: center;
}

.grid-wrapper {
  position: relative;
  flex-shrink: 0;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

/* ---------- Letter grid ---------- */
.grid-container {
  display: grid;
  gap: 2px;
  position: relative;
  z-index: 2;
}

.grid-container.size-10 { grid-template-columns: repeat(10, 1fr); }
.grid-container.size-12 { grid-template-columns: repeat(12, 1fr); }
.grid-container.size-15 { grid-template-columns: repeat(15, 1fr); }

.grid-cell {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', 'Consolas', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-body);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.1s ease, color 0.1s ease;
  position: relative;
  z-index: 2;
}

.grid-cell:hover {
  background: var(--bg-card-hover);
}

.grid-cell.selecting {
  background: rgba(77, 166, 255, 0.3);
  color: var(--text-heading);
}

.grid-cell.found {
  color: var(--text-heading);
}

/* ---------- SVG lines for found words and selections ---------- */
.found-lines,
.selection-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.selection-line {
  z-index: 3;
}

.found-line {
  stroke-linecap: round;
  opacity: 0.45;
}

.active-selection-line {
  stroke: var(--accent);
  stroke-linecap: round;
  opacity: 0.5;
}

/* ---------- Word list panel ---------- */
.word-list-panel {
  min-width: 180px;
  max-width: 220px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: left;
}

.word-list-panel h3 {
  color: var(--text-heading);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  text-align: center;
}

#word-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#word-list li {
  padding: 6px 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Courier New', 'Consolas', monospace;
}

#word-list li.found {
  text-decoration: line-through;
  opacity: 0.45;
}

/* Color-coded found word indicators */
#word-list li.found::before {
  content: "\2713 ";
  font-weight: 700;
}

/* ---------- Win overlay extras ---------- */
#win-overlay .result-content p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 8px;
}

#win-overlay .result-content h2 {
  color: var(--accent);
  font-size: 28px;
}

/* ---------- Game controls ---------- */
.game-controls {
  margin-top: 16px;
}

/* ---------- Invalid selection flash ---------- */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.grid-wrapper.shake {
  animation: shake 0.3s ease;
}

/* ---------- Confetti / celebration ---------- */
@keyframes celebrate-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.celebrate {
  animation: celebrate-pulse 0.6s ease 3;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .game-board-container {
    flex-direction: column;
    align-items: center;
  }

  .word-list-panel {
    min-width: unset;
    max-width: unset;
    width: 100%;
    margin-top: 16px;
  }

  #word-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 12px;
  }

  .grid-cell {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

  .game-toolbar {
    font-size: 13px;
  }

  .toolbar-center {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .grid-cell {
    width: 28px;
    height: 28px;
    font-size: 14px;
    border-radius: 3px;
  }

  .grid-container {
    gap: 1px;
  }

  .word-list-panel {
    padding: 12px;
  }

  #word-list li {
    font-size: 13px;
    padding: 4px 8px;
  }

  .word-list-panel h3 {
    font-size: 13px;
  }

  .game-toolbar {
    padding: 8px 12px;
    font-size: 12px;
    gap: 4px;
  }

  .toolbar-center {
    font-size: 14px;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .category-btn {
    font-size: 12px;
    padding: 7px 4px;
  }
}

/* Very small screens — shrink hard grid further */
@media (max-width: 380px) {
  .grid-cell {
    width: 23px;
    height: 23px;
    font-size: 12px;
    border-radius: 2px;
  }
}