.stats-panel {
  padding: 1.5rem;
  background: #0f172a;
  border-radius: 0.5rem;
  height: 100%;
  overflow-y: auto;
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.stats-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f9fafb;
  margin: 0;
}

.time-filter {
  display: flex;
  gap: 0.5rem;
  background: #1e293b;
  padding: 0.25rem;
  border-radius: 0.5rem;
}

.time-filter button {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-radius: 0.375rem;
  color: #94a3b8;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.time-filter button:hover {
  color: #e5e7eb;
  background: #334155;
}

.time-filter button.active {
  background: #3b82f6;
  color: white;
}

.loading {
  text-align: center;
  padding: 2rem;
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Turtle Stats */
.turtle-stats {
  margin-bottom: 2rem;
}

.turtle-stats h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 1rem;
}

.stat-section {
  background: #1e293b;
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.total-mined {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #334155;
}

.stat-value {
  font-size: 3rem;
  font-weight: 700;
  color: #3b82f6;
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blocks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.block-stat {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #0f172a;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.block-stat:hover {
  background: #1e293b;
  transform: translateY(-2px);
}

.block-emoji {
  font-size: 2rem;
  line-height: 1;
}

.block-info {
  flex: 1;
}

.block-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e5e7eb;
  margin-bottom: 0.25rem;
}

.block-count {
  font-size: 0.75rem;
  color: #10b981;
  font-weight: 600;
}

/* Leaderboard */
.leaderboard {
  margin-bottom: 2rem;
}

.leaderboard h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 1rem;
}

.leaderboard-list {
  background: #1e293b;
  border-radius: 0.5rem;
  padding: 1rem;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: #0f172a;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.leaderboard-item:last-child {
  margin-bottom: 0;
}

.leaderboard-item:hover {
  background: #1e293b;
  transform: translateX(4px);
}

.leaderboard-item.rank-1 {
  border-left: 3px solid #fbbf24;
}

.leaderboard-item.rank-2 {
  border-left: 3px solid #9ca3af;
}

.leaderboard-item.rank-3 {
  border-left: 3px solid #cd7f32;
}

.rank {
  font-size: 1.5rem;
  font-weight: 700;
  min-width: 3rem;
  text-align: center;
}

.miner-info {
  flex: 1;
}

.miner-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e5e7eb;
  margin-bottom: 0.25rem;
}

.miner-stats {
  font-size: 0.75rem;
  color: #94a3b8;
}

.miner-score {
  font-size: 1.25rem;
  font-weight: 700;
  color: #3b82f6;
}

/* All Turtles Overview */
.all-turtles-stats h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 1rem;
}

.turtles-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.turtle-summary-card {
  background: #1e293b;
  border-radius: 0.5rem;
  padding: 1rem;
  transition: all 0.2s;
}

.turtle-summary-card:hover {
  background: #334155;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.turtle-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #334155;
}

.turtle-id {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e5e7eb;
}

.turtle-total {
  font-size: 1.25rem;
  font-weight: 700;
  color: #3b82f6;
}

.turtle-top-blocks {
  display: flex;
  gap: 0.5rem;
}

.mini-block-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.5rem;
  background: #0f172a;
  border-radius: 0.25rem;
  flex: 1;
}

.mini-emoji {
  font-size: 1rem;
}

.mini-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e5e7eb;
  margin-bottom: 0.5rem;
}

.empty-text {
  font-size: 0.875rem;
  color: #94a3b8;
}

.no-data {
  text-align: center;
  padding: 2rem;
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .stats-panel {
    padding: 1rem;
  }

  .stats-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .time-filter {
    width: 100%;
  }

  .time-filter button {
    flex: 1;
    padding: 0.625rem;
  }

  .blocks-grid {
    grid-template-columns: 1fr;
  }

  .turtles-summary-grid {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .stats-header h2 {
    font-size: 1.25rem;
  }

  .leaderboard-item {
    padding: 0.5rem;
    gap: 0.5rem;
  }

  .rank {
    font-size: 1.25rem;
    min-width: 2.5rem;
  }
}