/* =========================================
   Shop Browser Styles
   In-game merchant shop interface
   ========================================= */

/* Container */
.shop-browser {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* Empty State */
.shop-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
}

.shop-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.shop-empty-text {
  font-size: 1.1rem;
  margin: 0 0 var(--space-sm);
}

.shop-empty-hint {
  font-size: 0.9rem;
  opacity: 0.7;
  margin: 0;
}

/* Header */
.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.shop-name {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--color-accent);
  margin: 0;
}

.shop-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: var(--space-xs) 0 0;
}

/* NPC Greeting */
.shop-npc {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background: var(--color-surface-hover);
  border-radius: var(--radius-sm);
}

.shop-npc-name {
  font-weight: bold;
  color: var(--color-accent);
}

.shop-npc-greeting {
  color: var(--color-text-muted);
}

/* Gold Display */
.shop-gold {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-hover));
  border: 1px solid var(--color-gold, #ffd700);
  border-radius: var(--radius-sm);
  font-weight: bold;
}

.shop-gold-icon {
  font-size: 1.2rem;
}

.shop-gold-amount {
  color: var(--color-gold, #ffd700);
  font-size: 1.1rem;
}

.shop-gold-label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Filters */
.shop-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.shop-category-btn {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.shop-category-btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-accent);
}

/* Search */
.shop-search {
  width: 100%;
  padding: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.shop-search:focus {
  outline: none;
  border-color: var(--color-accent);
}

.shop-search::placeholder {
  color: var(--color-text-muted);
}

/* Inventory List */
.shop-inventory {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.shop-inventory-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
}

/* Item Card */
.shop-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: var(--space-xs) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease;
}

.shop-item:hover {
  border-color: var(--color-accent);
}

.shop-item--featured {
  border-color: var(--color-gold, #ffd700);
  background: linear-gradient(135deg, var(--color-surface), rgba(255, 215, 0, 0.05));
}

.shop-item--expensive {
  opacity: 0.7;
}

.shop-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  grid-column: 1;
}

.shop-item-name {
  font-weight: bold;
  color: var(--color-text);
}

.shop-item-rarity {
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  text-transform: capitalize;
}

.shop-item-rarity--common { background: #888; color: #fff; }
.shop-item-rarity--uncommon { background: #1eff00; color: #000; }
.shop-item-rarity--rare { background: #0070dd; color: #fff; }
.shop-item-rarity--very-rare { background: #a335ee; color: #fff; }
.shop-item-rarity--legendary { background: #ff8000; color: #fff; }
.shop-item-rarity--artifact { background: #e6cc80; color: #000; }

/* Homebrew Badge */
.shop-item-homebrew {
  font-size: 0.65rem;
  padding: 2px 4px;
  background: var(--color-homebrew, #9333ea);
  color: #fff;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 0.5px;
}

/* Homebrew Item Card Styling */
.shop-item--homebrew {
  border-left: 3px solid var(--color-homebrew, #9333ea);
  background: linear-gradient(135deg, var(--color-surface), rgba(147, 51, 234, 0.05));
}

.shop-item--homebrew:hover {
  border-color: var(--color-homebrew, #9333ea);
}

/* Homebrew Modal Styling */
.shop-modal--homebrew {
  border: 2px solid var(--color-homebrew, #9333ea);
}

.shop-modal--homebrew .shop-modal-title {
  color: var(--color-homebrew, #9333ea);
}

.shop-item-details {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  grid-column: 1;
}

.shop-item-price {
  color: var(--color-gold, #ffd700);
  font-weight: bold;
}

.shop-item-stock {
  opacity: 0.7;
}

.shop-item-buy {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-on-accent);
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.15s ease;
}

.shop-item-buy:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: scale(1.02);
}

.shop-item-buy--disabled,
.shop-item-buy:disabled {
  background: var(--color-surface-hover);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

/* Modal Overlay */
.shop-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

.shop-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-width: 300px;
  max-width: 90vw;
  animation: slideUp 0.2s ease;
}

.shop-modal-title {
  margin: 0 0 var(--space-md);
  font-size: 1.2rem;
  color: var(--color-accent);
}

.shop-modal-item {
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background: var(--color-surface-hover);
  border-radius: var(--radius-sm);
}

.shop-item-desc {
  margin: var(--space-xs) 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.shop-modal-price,
.shop-modal-gold {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.shop-price-value {
  color: var(--color-gold, #ffd700);
  font-weight: bold;
}

.shop-gold-value {
  font-weight: bold;
}

.shop-gold-insufficient {
  color: var(--color-error, #ff4444);
}

.shop-modal-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.shop-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.15s ease;
}

.shop-btn--confirm {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}

.shop-btn--confirm:hover {
  filter: brightness(1.1);
}

.shop-btn--cancel {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.shop-btn--cancel:hover {
  background: var(--color-surface);
}

.shop-btn--disabled {
  background: var(--color-surface-hover);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

/* Notifications */
.shop-notification {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: bold;
  z-index: 1001;
  animation: slideUp 0.3s ease;
}

.shop-notification--success {
  background: var(--color-success, #00cc00);
  color: #fff;
}

.shop-notification--error {
  background: var(--color-error, #ff4444);
  color: #fff;
}

.shop-notification--info {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}

.shop-notification--fade {
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}