/* Explorer Section */
.explorer__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.explorer__stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}

.explorer__stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.1;
}

.explorer__stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Block cards */
.explorer__blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.explorer__block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.explorer__block:hover {
  border-color: var(--accent-primary);
}

.explorer__block-header {
  display: grid;
  grid-template-columns: 3rem 1fr auto auto 2.5rem;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  user-select: none;
}

.explorer__block-index {
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 0.95rem;
}

.explorer__block-hash {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer__block-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.explorer__block-txcount {
  font-size: 0.78rem;
  background: rgba(0, 255, 204, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  padding: 0.15rem 0.6rem;
  white-space: nowrap;
}

.explorer__block-toggle {
  color: var(--text-secondary);
  transition: transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.explorer__block--open .explorer__block-toggle {
  transform: rotate(180deg);
}

/* Transaction list inside block */
.explorer__txs {
  display: none;
  border-top: 1px solid var(--border-color);
  padding: var(--space-sm) var(--space-md);
}

.explorer__block--open .explorer__txs {
  display: block;
}

.explorer__tx {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-color);
}

.explorer__tx:last-child {
  border-bottom: none;
}

.explorer__tx-hash {
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.explorer__tx-label {
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 500;
}

.explorer__tx-owner {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: monospace;
  margin-top: 0.1rem;
}

.explorer__tx-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.explorer__block--genesis .explorer__block-index {
  color: var(--accent-secondary);
}

/* Pagination */
.explorer__footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.explorer__page-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Live indicator */
.explorer__refresh {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  justify-content: flex-end;
}

.explorer__refresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

@media (max-width: 640px) {
  .explorer__stats {
    gap: var(--space-xs);
  }

  .explorer__stat-value {
    font-size: 1.4rem;
  }

  .explorer__block-header {
    grid-template-columns: 2.5rem 1fr auto 2rem;
  }

  .explorer__block-time {
    display: none;
  }
}