.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 16px;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 420px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

.modal-overlay.visible .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  border-radius: var(--radius);
  z-index: 1;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.modal-content {
  padding: 24px;
}

.modal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  text-align: center;
  color: var(--accent);
}

.modal-content p {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.modal-content .example {
  background: var(--bg-card);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: 0.85rem;
}

/* Stats modal */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.distribution {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.dist-label {
  width: 12px;
  text-align: right;
  font-weight: 700;
  color: var(--text-secondary);
}

.dist-bar {
  height: 20px;
  background: var(--bg-card);
  border-radius: 4px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 6px;
  font-weight: 700;
  font-size: 0.7rem;
  transition: width 0.5s ease;
}

.dist-bar.highlight {
  background: var(--accent);
}