/**
 * ASDF Shop V2 - Styles
 *
 * Cosmetic shop styling with tier colors and animations
 *
 * @version 2.0.0
 */

@import url('./design-tokens.css');

/* ============================================
   CSS VARIABLES
   ============================================ */

:root {
  /* Tier Colors */
  --tier-common: #9ca3af;
  --tier-uncommon: #22c55e;
  --tier-rare: #3b82f6;
  --tier-epic: #a855f7;
  --tier-legendary: #f97316;

  /* Shop Colors */
  --shop-bg: #0d0d12;
  --shop-surface: #1a1a24;
  --shop-surface-light: #252532;
  --shop-border: #2d2d3a;
  --shop-text: #e5e5e5;
  --shop-text-muted: #9ca3af;
  --shop-accent: #f97316;
  --shop-accent-hover: #ea580c;

  /* Spacing */
  --shop-gap: 16px;
  --shop-radius: 12px;
  --shop-radius-sm: 8px;
}

/* ============================================
   SHOP CONTAINER
   ============================================ */

.shop-container {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: var(--shop-gap);
  min-height: 600px;
  background: var(--shop-bg);
  color: var(--shop-text);
  font-family: 'Inter', system-ui, sans-serif;
}

/* ============================================
   HEADER
   ============================================ */

.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--shop-gap);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
}

.shop-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin: 0;
  background: linear-gradient(135deg, var(--shop-accent), #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shop-currency-display {
  display: flex;
  gap: var(--space-md);
}

.currency-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  font-weight: var(--font-semibold);
}

.currency-icon {
  font-size: 1.2rem;
}

.currency-amount {
  font-variant-numeric: tabular-nums;
}

/* Event Banner */
.shop-event-banner {
  background: linear-gradient(135deg, var(--shop-accent), #ea580c);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--shop-radius-sm);
  text-align: center;
  animation: pulse-glow 2s ease-in-out infinite;
}

.shop-event-banner .event-title {
  font-weight: var(--font-bold);
  margin-right: var(--space-sm);
}

.shop-event-banner .event-discount {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: var(--font-semibold);
}

/* ============================================
   TABS
   ============================================ */

.shop-tabs {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
}

.shop-tab {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: none;
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text-muted);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.shop-tab:hover {
  background: var(--shop-surface-light);
  color: var(--shop-text);
}

.shop-tab.active {
  background: var(--shop-accent);
  color: white;
}

/* ============================================
   MAIN LAYOUT
   ============================================ */

.shop-main {
  display: grid;
  grid-template-columns: 240px 1fr 360px;
  gap: var(--shop-gap);
  min-height: 0;
}

@media (max-width: 1200px) {
  .shop-main {
    grid-template-columns: 200px 1fr 300px;
  }
}

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

/* ============================================
   FILTERS SIDEBAR
   ============================================ */

.shop-filters {
  display: flex;
  flex-direction: column;
  gap: var(--shop-gap);
  padding: var(--shop-gap);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
  height: fit-content;
}

.filter-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--shop-text-muted);
}

.filter-input {
  padding: var(--space-sm) var(--space-md);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast);
}

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

.filter-select {
  appearance: none;
  padding: var(--space-sm) var(--space-md);
  padding-right: var(--space-2xl);
  background: var(--shop-surface-light)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E")
    no-repeat right var(--space-md) center;
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  cursor: pointer;
}

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

.filter-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.filter-checkbox input {
  accent-color: var(--shop-accent);
}

/* Reset Filters Button */
.reset-filters-btn {
  padding: var(--space-sm);
  background: transparent;
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text-muted);
  cursor: pointer;
  transition: all var(--duration-fast);
}

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

/* ============================================
   ITEM GRID
   ============================================ */

.shop-grid-container {
  display: flex;
  flex-direction: column;
  gap: var(--shop-gap);
  min-height: 0;
  overflow: hidden;
}

.shop-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.shop-grid-count {
  color: var(--shop-text-muted);
  font-size: var(--text-sm);
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--shop-gap);
  overflow-y: auto;
  padding: var(--space-xs);
}

/* Item Card */
.shop-item-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 2px solid var(--shop-border);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.shop-item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.shop-item-card.selected {
  border-color: var(--shop-accent);
  box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.3);
}

/* Tier border colors */
.shop-item-card.tier-0,
.shop-item-card.tier-1 {
  border-color: var(--tier-common);
}
.shop-item-card.tier-2,
.shop-item-card.tier-3 {
  border-color: var(--tier-uncommon);
}
.shop-item-card.tier-4,
.shop-item-card.tier-5 {
  border-color: var(--tier-rare);
}
.shop-item-card.tier-6,
.shop-item-card.tier-7 {
  border-color: var(--tier-epic);
}
.shop-item-card.tier-8,
.shop-item-card.tier-9 {
  border-color: var(--tier-legendary);
}

.shop-item-card:hover.tier-0,
.shop-item-card:hover.tier-1 {
  box-shadow: 0 0 20px rgba(156, 163, 175, 0.3);
}
.shop-item-card:hover.tier-2,
.shop-item-card:hover.tier-3 {
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
}
.shop-item-card:hover.tier-4,
.shop-item-card:hover.tier-5 {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}
.shop-item-card:hover.tier-6,
.shop-item-card:hover.tier-7 {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}
.shop-item-card:hover.tier-8,
.shop-item-card:hover.tier-9 {
  box-shadow: 0 0 20px rgba(249, 115, 22, 0.3);
}

/* Card Image */
.item-card-image {
  position: relative;
  aspect-ratio: 1;
  background: var(--shop-surface-light);
  overflow: hidden;
}

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

/* Card Badges */
.item-badges {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.badge {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.badge-layer {
  background: rgba(0, 0, 0, 0.7);
  color: white;
}

.badge-owned {
  background: var(--tier-uncommon);
  color: white;
}

.badge-new {
  background: #ef4444;
  color: white;
  animation: badge-pulse 1.5s ease-in-out infinite;
}

.badge-limited {
  background: var(--tier-legendary);
  color: white;
  animation: badge-pulse 1.5s ease-in-out infinite;
}

/* Favorite Button */
.item-favorite-btn {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-base);
  transition: all var(--duration-fast);
  opacity: 0;
}

.shop-item-card:hover .item-favorite-btn {
  opacity: 1;
}

.item-favorite-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: scale(1.1);
}

.item-favorite-btn.favorited {
  opacity: 1;
  color: #ef4444;
}

/* Card Info */
.item-card-info {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.item-name {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-tier {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.item-tier.tier-0,
.item-tier.tier-1 {
  color: var(--tier-common);
}
.item-tier.tier-2,
.item-tier.tier-3 {
  color: var(--tier-uncommon);
}
.item-tier.tier-4,
.item-tier.tier-5 {
  color: var(--tier-rare);
}
.item-tier.tier-6,
.item-tier.tier-7 {
  color: var(--tier-epic);
}
.item-tier.tier-8,
.item-tier.tier-9 {
  color: var(--tier-legendary);
}

.item-price {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--shop-accent);
}

/* ============================================
   PREVIEW PANEL
   ============================================ */

.shop-preview {
  display: flex;
  flex-direction: column;
  gap: var(--shop-gap);
  padding: var(--shop-gap);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
}

.preview-canvas-container {
  position: relative;
  aspect-ratio: 1;
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  overflow: hidden;
}

.preview-canvas {
  width: 100%;
  height: 100%;
}

.preview-canvas-controls {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  gap: var(--space-xs);
}

.canvas-control-btn {
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: background var(--duration-fast);
}

.canvas-control-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

/* Preview Info */
.preview-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.preview-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}

.preview-meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.preview-tag {
  padding: var(--space-xs) var(--space-sm);
  background: var(--shop-surface-light);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
}

.preview-description {
  color: var(--shop-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Price Selector */
.shop-price-selector {
  display: flex;
  gap: var(--space-sm);
}

.price-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border: 2px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--duration-fast);
}

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

.price-option.selected {
  background: var(--shop-accent);
  border-color: var(--shop-accent);
  color: white;
}

/* Preview Actions */
.preview-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preview-btn {
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--shop-radius-sm);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.btn-primary {
  background: var(--shop-accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--shop-accent-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--shop-surface-light);
  color: var(--shop-text);
  border: 1px solid var(--shop-border);
}

.btn-secondary:hover {
  background: var(--shop-border);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

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

.preview-empty-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* ============================================
   MODALS
   ============================================ */

.shop-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  animation: fadeIn var(--duration-fast) ease;
}

.shop-modal {
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
  max-width: 400px;
  width: 90%;
  animation: slideUp var(--duration-normal) ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--shop-border);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--text-base);
}

.modal-close {
  background: none;
  border: none;
  color: var(--shop-text-muted);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--shop-text);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--shop-border);
}

.modal-footer button {
  flex: 1;
  padding: var(--space-md);
  border-radius: var(--shop-radius-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
}

.btn-cancel {
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  color: var(--shop-text);
}

.btn-confirm {
  background: var(--shop-accent);
  border: none;
  color: white;
}

.btn-confirm:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Purchase Modal */
.purchase-item-preview {
  text-align: center;
  margin-bottom: var(--space-md);
}

.purchase-price {
  display: flex;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  margin-bottom: var(--space-md);
}

.burn-warning {
  color: var(--shop-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

/* ============================================
   NOTIFICATIONS
   ============================================ */

.shop-notification {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--shop-surface);
  border-radius: var(--shop-radius-sm);
  border: 1px solid var(--shop-border);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  transform: translateX(120%);
  transition: transform var(--duration-normal) ease;
}

.shop-notification.show {
  transform: translateX(0);
}

.shop-notification.success {
  border-color: var(--tier-uncommon);
}

.shop-notification.error {
  border-color: #ef4444;
}

.notification-icon {
  font-size: var(--text-lg);
}

.shop-notification.success .notification-icon {
  color: var(--tier-uncommon);
}

.shop-notification.error .notification-icon {
  color: #ef4444;
}

/* ============================================
   LOADING STATES
   ============================================ */

.shop-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: var(--space-md);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--shop-border);
  border-top-color: var(--shop-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--shop-surface-light) 25%,
    var(--shop-border) 50%,
    var(--shop-surface-light) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--shop-radius-sm);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes badge-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ============================================
   SCROLLBAR
   ============================================ */

.shop-grid::-webkit-scrollbar {
  width: 8px;
}

.shop-grid::-webkit-scrollbar-track {
  background: var(--shop-surface);
  border-radius: var(--radius-sm);
}

.shop-grid::-webkit-scrollbar-thumb {
  background: var(--shop-border);
  border-radius: var(--radius-sm);
}

.shop-grid::-webkit-scrollbar-thumb:hover {
  background: var(--shop-text-muted);
}

/* ============================================
   GAME MODAL INTEGRATION
   ============================================ */

.game-modal-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

#open-shop-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: linear-gradient(135deg, #fbbf24, #f97316) !important;
  border: none !important;
  color: #000 !important;
  font-weight: var(--font-semibold);
  padding: var(--space-sm) var(--space-md) !important;
  border-radius: var(--radius-md) !important;
  cursor: pointer;
  transition:
    transform var(--duration-fast),
    box-shadow var(--duration-fast);
}

#open-shop-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .shop-filters {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .filter-section {
    flex: 1;
    min-width: 150px;
  }

  .shop-preview {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .preview-canvas-container {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
  }

  .preview-info {
    flex: 2;
    min-width: 200px;
  }
}

@media (max-width: 600px) {
  .shop-header {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .shop-tabs {
    flex-wrap: wrap;
  }

  .shop-tab {
    flex: 1 1 45%;
  }

  .shop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   COLLECTIONS
   ============================================ */

.collections-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--shop-gap);
}

.collection-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--shop-surface);
  border: 2px solid var(--shop-border);
  border-radius: var(--shop-radius);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.collection-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--shop-accent);
}

.collection-card.complete {
  border-color: var(--tier-uncommon);
  background: linear-gradient(135deg, var(--shop-surface), rgba(34, 197, 94, 0.1));
}

.collection-icon {
  font-size: var(--text-3xl);
  flex-shrink: 0;
}

.collection-info {
  flex: 1;
  min-width: 0;
}

.collection-name {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  margin: 0 0 var(--space-sm) 0;
}

.collection-progress {
  position: relative;
  height: 8px;
  background: var(--shop-surface-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.collection-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--shop-accent), #fbbf24);
  border-radius: var(--radius-sm);
  transition: width var(--duration-slow) ease;
}

.collection-progress.complete .collection-progress-bar {
  background: linear-gradient(90deg, var(--tier-uncommon), #4ade80);
}

.collection-progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.collection-bonus {
  padding: var(--space-xs) var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
  white-space: nowrap;
}

.collection-bonus.active {
  background: var(--tier-uncommon);
  color: white;
}

.bonus-icon {
  margin-right: var(--space-xs);
}

/* Collection Detail Modal */
.collection-detail {
  display: grid;
  gap: var(--space-lg);
}

.collection-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.collection-detail-icon {
  font-size: var(--text-4xl);
}

.collection-detail-info h2 {
  margin: 0 0 var(--space-sm) 0;
}

.collection-detail-progress {
  width: 200px;
}

.collection-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--space-md);
}

.collection-item {
  position: relative;
  aspect-ratio: 1;
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  overflow: hidden;
  opacity: 0.5;
  transition: all var(--duration-fast);
}

.collection-item.owned {
  opacity: 1;
  border: 2px solid var(--tier-uncommon);
}

.collection-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collection-item-check {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  width: 20px;
  height: 20px;
  background: var(--tier-uncommon);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xs);
  color: white;
}

/* ============================================
   ENHANCED PURCHASE MODAL
   ============================================ */

.purchase-modal {
  max-width: 420px;
}

.purchase-item-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  margin-bottom: var(--space-lg);
}

.purchase-item-image {
  width: 120px;
  height: 120px;
  border-radius: var(--shop-radius-sm);
  object-fit: cover;
  border: 3px solid var(--tier-color, var(--shop-border));
}

.purchase-item-name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}

.purchase-item-tier {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

/* Currency Selector */
.currency-selector {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.currency-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border: 2px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.currency-option:hover {
  border-color: var(--shop-accent);
  background: var(--shop-border);
}

.currency-option.selected {
  border-color: var(--shop-accent);
  background: rgba(249, 115, 22, 0.1);
}

.currency-option.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.currency-option-icon {
  font-size: var(--text-xl);
}

.currency-option-price {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
}

.currency-option-label {
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
}

/* Purchase Summary */
.purchase-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  margin-bottom: var(--space-lg);
}

.purchase-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.purchase-summary-row.total {
  padding-top: var(--space-md);
  border-top: 1px solid var(--shop-border);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
}

.purchase-discount {
  color: var(--tier-uncommon);
}

/* Purchase Button States */
.btn-purchase {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--shop-accent), #ea580c);
  border: none;
  border-radius: var(--shop-radius-sm);
  color: white;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.btn-purchase:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
}

.btn-purchase:disabled {
  background: var(--shop-border);
  cursor: not-allowed;
}

.btn-purchase.loading {
  pointer-events: none;
}

.btn-purchase.loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Success Animation */
.purchase-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.purchase-success-icon {
  font-size: var(--text-5xl);
  animation: bounceIn var(--duration-slow) ease;
}

.purchase-success h3 {
  margin: 0;
  font-size: var(--text-xl);
}

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

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--shop-surface);
  border-radius: var(--shop-radius-sm);
  border: 1px solid var(--shop-border);
  box-shadow: var(--shadow-xl);
  pointer-events: auto;
  transform: translateX(120%);
  transition: transform var(--duration-normal) ease;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-xs);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--shop-text-muted);
}

.toast-close {
  background: none;
  border: none;
  color: var(--shop-text-muted);
  font-size: var(--text-lg);
  cursor: pointer;
  padding: 0;
  opacity: 0.7;
  transition: opacity var(--duration-fast);
}

.toast-close:hover {
  opacity: 1;
}

.toast.success {
  border-color: var(--tier-uncommon);
}

.toast.success .toast-icon {
  color: var(--tier-uncommon);
}

.toast.error {
  border-color: #ef4444;
}

.toast.error .toast-icon {
  color: #ef4444;
}

.toast.warning {
  border-color: #f59e0b;
}

.toast.warning .toast-icon {
  color: #f59e0b;
}

.toast.info {
  border-color: var(--tier-rare);
}

.toast.info .toast-icon {
  color: var(--tier-rare);
}

/* Toast with item preview */
.toast-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.toast-item-image {
  width: 48px;
  height: 48px;
  border-radius: var(--shop-radius-sm);
  object-fit: cover;
}

/* ============================================
   RARITY GLOW EFFECTS
   ============================================ */

.rarity-glow-common {
}

.rarity-glow-uncommon {
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
}

.rarity-glow-rare {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.rarity-glow-epic {
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.5);
}

.rarity-glow-legendary {
  box-shadow: 0 0 30px rgba(249, 115, 22, 0.6);
  animation: legendary-pulse 2s ease-in-out infinite;
}

@keyframes legendary-pulse {
  0%,
  100% {
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.6);
  }
  50% {
    box-shadow: 0 0 40px rgba(249, 115, 22, 0.8);
  }
}

/* ============================================
   URGENCY BADGES
   ============================================ */

.urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
}

.urgency-badge.high {
  background: #ef4444;
  color: white;
  animation: urgency-flash 1s ease-in-out infinite;
}

.urgency-badge.medium {
  background: #f59e0b;
  color: white;
}

.urgency-badge.low {
  background: var(--shop-border);
  color: var(--shop-text);
}

@keyframes urgency-flash {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Stock Counter */
.stock-counter {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
}

.stock-counter.low {
  color: #ef4444;
}

.stock-bar {
  width: 60px;
  height: 4px;
  background: var(--shop-surface-light);
  border-radius: 2px;
  overflow: hidden;
}

.stock-bar-fill {
  height: 100%;
  background: var(--tier-uncommon);
  transition: width var(--duration-normal) ease;
}

.stock-bar-fill.low {
  background: #ef4444;
}

/* Time Remaining */
.time-remaining {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
}

.time-remaining.urgent {
  color: #ef4444;
  animation: time-pulse 1s ease-in-out infinite;
}

@keyframes time-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* ============================================
   FILTER COMPONENT
   ============================================ */

.shop-filters {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--shop-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Search Input */
.filter-search {
  margin-bottom: var(--space-sm);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  font-size: var(--text-sm);
  opacity: 0.5;
}

.filter-search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-2xl);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  font-size: var(--text-sm);
  transition: all var(--duration-fast) ease;
}

.filter-search-input:focus {
  outline: none;
  border-color: var(--shop-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

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

.search-clear {
  position: absolute;
  right: var(--space-sm);
  width: 20px;
  height: 20px;
  background: var(--shop-border);
  border: none;
  border-radius: var(--radius-full);
  color: var(--shop-text);
  font-size: var(--text-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) ease;
}

.search-clear:hover {
  background: var(--shop-accent);
}

/* Filter Chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.filter-chip {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  border-radius: var(--radius-full);
  color: var(--shop-text);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.filter-chip:hover {
  border-color: var(--shop-accent);
  background: rgba(249, 115, 22, 0.1);
}

.filter-chip.active {
  background: var(--shop-accent);
  border-color: var(--shop-accent);
  color: #fff;
}

.chip-icon {
  font-size: var(--text-sm);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.rarity-chips .filter-chip.active {
  background: var(--rarity-color, var(--shop-accent));
  border-color: var(--rarity-color, var(--shop-accent));
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  gap: var(--space-xs);
}

.filter-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  color: var(--shop-text);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.filter-btn:first-child {
  border-radius: var(--shop-radius-sm) 0 0 var(--shop-radius-sm);
}

.filter-btn:last-child {
  border-radius: 0 var(--shop-radius-sm) var(--shop-radius-sm) 0;
}

.filter-btn:not(:first-child) {
  margin-left: -1px;
}

.filter-btn:hover {
  background: rgba(249, 115, 22, 0.1);
  border-color: var(--shop-accent);
  z-index: 1;
}

.filter-btn.active {
  background: var(--shop-accent);
  border-color: var(--shop-accent);
  color: #fff;
  z-index: 2;
}

/* Filter Select */
.filter-select {
  padding: var(--space-sm) var(--space-md);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

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

/* Filter Checkboxes */
.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--shop-text-muted);
}

.filter-checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--shop-accent);
  cursor: pointer;
}

.filter-checkbox:hover {
  color: var(--shop-text);
}

/* Active Filters */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--shop-border);
}

.active-filters-label {
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
}

.active-filter-tag {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--shop-accent);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #fff;
}

.tag-remove {
  width: 14px;
  height: 14px;
  background: rgba(0, 0, 0, 0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tag-remove:hover {
  background: rgba(0, 0, 0, 0.4);
}

/* Reset Button */
.filter-reset-btn {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.filter-reset-btn:hover:not(:disabled) {
  border-color: #ef4444;
  color: #ef4444;
}

.filter-reset-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   PREVIEW PANEL
   ============================================ */

.shop-preview-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--shop-surface);
  border-radius: var(--shop-radius);
  border: 1px solid var(--shop-border);
  position: relative;
}

.shop-preview-panel.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.preview-empty {
  text-align: center;
  color: var(--shop-text-muted);
}

.preview-empty .empty-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.preview-empty .empty-text {
  font-size: var(--text-sm);
}

/* Preview Header */
.preview-header {
  text-align: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--shop-border);
}

.preview-title {
  margin: 0 0 var(--space-xs) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--shop-text);
}

.preview-tier {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Preview Canvas */
.preview-canvas-container {
  position: relative;
  background: linear-gradient(135deg, #1a1a2e, #0d0d12);
  border-radius: var(--shop-radius);
  overflow: hidden;
  aspect-ratio: 1;
}

#preview-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Preview Details */
.preview-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--shop-border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row.description {
  flex-direction: column;
  align-items: flex-start;
}

.detail-row.description p {
  margin: 0;
  color: var(--shop-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.detail-row.highlight {
  background: rgba(249, 115, 22, 0.1);
  margin: 0 calc(var(--space-md) * -1);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--shop-radius-sm);
  border-bottom: none;
}

.detail-label {
  font-size: var(--text-sm);
  color: var(--shop-text-muted);
}

.detail-value {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--shop-text);
}

/* Limited Info */
.limited-info {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(249, 115, 22, 0.1));
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--shop-radius-sm);
  padding: var(--space-md);
}

.limited-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff;
  font-size: var(--text-2xs);
  font-weight: var(--font-bold);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

/* Price Section */
.preview-price-section {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--shop-border);
}

.price-owned {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--shop-radius-sm);
  color: #22c55e;
  font-weight: var(--font-medium);
}

.price-owned .owned-icon {
  font-size: var(--text-lg);
}

.price-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.price-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  border: 1px solid var(--shop-border);
  text-align: center;
}

.price-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
}

.price-icon {
  font-size: var(--text-base);
}

.price-original {
  font-size: var(--text-xs);
  color: var(--shop-text-muted);
  text-decoration: line-through;
}

.price-amount {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--shop-text);
}

.btn-purchase {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--shop-radius-sm);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.btn-burn {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #fff;
}

.btn-burn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
}

.btn-ingame {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #000;
}

.btn-ingame:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

/* Preview Actions */
.preview-actions {
  display: flex;
  gap: var(--space-sm);
}

.btn-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--shop-surface-light);
  border: 1px solid var(--shop-border);
  border-radius: var(--shop-radius-sm);
  color: var(--shop-text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.btn-action:hover {
  border-color: var(--shop-accent);
  background: rgba(249, 115, 22, 0.1);
}

.btn-equip.equipped {
  background: rgba(34, 197, 94, 0.1);
  border-color: #22c55e;
  color: #22c55e;
}

.btn-favorite.active {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}

/* Collection Info in Preview */
.preview-collection {
  padding: var(--space-md);
  background: var(--shop-surface-light);
  border-radius: var(--shop-radius-sm);
  border: 1px solid var(--shop-border);
}

.collection-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.collection-icon {
  font-size: var(--text-base);
}

.collection-name {
  font-weight: var(--font-medium);
  color: var(--shop-text);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .shop-filters {
    padding: var(--space-md);
  }

  .filter-chips {
    gap: var(--space-xs);
  }

  .filter-chip {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
  }

  .price-options {
    grid-template-columns: 1fr;
  }

  .preview-actions {
    flex-wrap: wrap;
  }

  .btn-action {
    flex: 1 1 calc(50% - 4px);
  }
}