/**
 * BUILD AN EMERGENCY KIT - GAME-SPECIFIC STYLES
 * Drag & Drop survival skills game
 */

/* WELCOME SCREEN */
.difficulty-selection h3 {
  font-family: var(--font-headings);
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
}

.difficulty-card {
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-normal);
}

.difficulty-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.difficulty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
}

/* CATEGORY PROGRESS */
.categories-progress {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.category-card {
  text-align: center;
  padding: var(--space-lg);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.category-name {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.category-count {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  font-weight: bold;
}

.category-card.complete {
  background: var(--gradient-success);
  color: var(--text-light);
}

.category-card.complete .category-count {
  color: var(--text-light);
}

/* GAME AREA - SPLIT LAYOUT */
.game-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

/* LEFT PANEL - ITEMS SOURCE */
.items-panel {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.panel-title {
  font-family: var(--font-headings);
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  margin-bottom: var(--space-sm);
}

.panel-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-md);
  max-height: 600px;
  overflow-y: auto;
  padding: var(--space-md);
}

/* ITEM CARDS - DRAGGABLE */
.item-card {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  cursor: grab;
  transition: all var(--transition-normal);
  border: 2px solid var(--border-color);
}

.item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.item-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.item-card.used {
  opacity: 0.3;
  pointer-events: none;
}

.item-image {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.item-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.item-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* EMOJI ITEMS STYLING */
.item-emoji {
  font-size: 3rem;
  line-height: 1;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}

.item-card:hover .item-emoji {
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* BADGES */
.essential-badge,
.wrong-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

.essential-badge {
  background: var(--success-color);
  color: white;
}

.wrong-badge {
  background: var(--error-color);
  color: white;
}

/* RIGHT PANEL - KIT DROP ZONE */
.kit-panel {
  background: var(--gradient-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--text-light);
}

.kit-panel .panel-title,
.kit-panel .panel-subtitle {
  color: var(--text-light);
}

.kit-dropzone {
  background: rgba(255, 255, 255, 0.2);
  border: 3px dashed rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  min-height: 500px;
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.kit-dropzone.drag-over {
  background: rgba(255, 255, 255, 0.3);
  border-color: var(--text-light);
  border-style: solid;
  transform: scale(1.02);
}

.dropzone-placeholder {
  text-align: center;
  padding: var(--space-3xl);
  opacity: 0.7;
}

.placeholder-icon {
  font-size: 6rem;
  margin-bottom: var(--space-lg);
}

.dropzone-placeholder p {
  font-size: var(--font-size-lg);
}

.kit-dropzone.has-items .dropzone-placeholder {
  display: none;
}

/* KIT ITEMS - DROPPED ITEMS */
.kit-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--space-md);
}

.kit-item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

.kit-item.correct {
  background: var(--success-color);
  color: var(--text-light);
  animation: bounceIn 0.5s;
}

.kit-item.wrong {
  background: var(--error-color);
  color: var(--text-light);
  animation: shake 0.5s;
}

.kit-item-remove {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--error-color);
  color: var(--text-light);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.kit-item-remove:hover {
  transform: scale(1.2);
}

/* RESULTS */
.checklist-section {
  background: var(--bg-secondary);
}

.checklist-grid {
  margin-top: var(--space-lg);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.checklist-item.checked {
  background: var(--success-light);
  color: var(--text-light);
}

.checklist-checkbox {
  font-size: var(--font-size-2xl);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .game-area {
    grid-template-columns: 1fr;
  }

  .items-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    max-height: 400px;
  }

  .kit-dropzone {
    min-height: 400px;
  }
}

@media (max-width: 768px) {
  .categories-progress .grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .kit-items {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .items-grid,
  .kit-items {
    grid-template-columns: repeat(2, 1fr);
  }
}