.gacha-stats {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  padding: 24px;
  margin: 20px 0;
  color: white;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.gacha-stats h3 {
  margin: 0 0 20px 0;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.stats-overview {
  margin-bottom: 24px;
  text-align: center;
}

.overview-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-block;
  min-width: 200px;
}

.overview-value {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 8px;
}

.overview-label {
  font-size: 1rem;
  opacity: 0.9;
}

.rarity-stats {
  margin-bottom: 24px;
}

.rarity-stats h4 {
  margin: 0 0 16px 0;
  font-size: 1.2rem;
  font-weight: 500;
}

.rarity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.rarity-stat {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.rarity-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--rarity-color);
}

.rarity-stat.rarity-common { --rarity-color: #4CAF50; }
.rarity-stat.rarity-rare { --rarity-color: #2196F3; }
.rarity-stat.rarity-epic { --rarity-color: #9C27B0; }
.rarity-stat.rarity-legendary { --rarity-color: #FF9800; }
.rarity-stat.rarity-mythic { --rarity-color: #F44336; }

.rarity-count {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 4px;
}

.rarity-name {
  font-size: 0.9rem;
  opacity: 0.9;
  text-transform: capitalize;
  margin-bottom: 4px;
}

.success-rate {
  font-size: 0.8rem;
  opacity: 0.7;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 2px 6px;
  display: inline-block;
}

.recent-activity {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.recent-activity h4 {
  margin: 0 0 12px 0;
  font-size: 1.1rem;
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.activity-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.activity-time {
  font-size: 0.8rem;
  opacity: 0.7;
  min-width: 120px;
}

.activity-details {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: flex-end;
}

.card-rarity {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.card-rarity.rarity-common { background: #4CAF50; }
.card-rarity.rarity-rare { background: #2196F3; }
.card-rarity.rarity-epic { background: #9C27B0; }
.card-rarity.rarity-legendary { background: #FF9800; }
.card-rarity.rarity-mythic { background: #F44336; }

.card-name {
  font-weight: 500;
}

.refresh-stats,
.load-stats-button,
.retry-button {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: block;
  margin: 0 auto;
}

.refresh-stats:hover,
.load-stats-button:hover,
.retry-button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.stats-loading,
.stats-error,
.stats-empty {
  text-align: center;
  padding: 40px 20px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.stats-error p {
  color: #ffcdd2;
  margin-bottom: 16px;
}

.stats-empty p {
  opacity: 0.8;
  margin-bottom: 16px;
}