/* A-Z Letter Selector Bar Styles */
.hd-az-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--hd-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hd-border-glass);
  border-radius: var(--hd-radius-xl);
  padding: var(--hd-spacing-md) var(--hd-spacing-lg);
  margin-bottom: var(--hd-spacing-xl);
  box-shadow: var(--hd-shadow-md);
  box-sizing: border-box;
}

.hd-az-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  font-family: var(--hd-font-display);
  font-weight: 700;
  font-size: var(--hd-text-xs);
  color: var(--hd-text-dim);
  border-radius: var(--hd-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--hd-duration-normal) var(--hd-ease-out);
  user-select: none;
  background: transparent;
  box-sizing: border-box;
}

.hd-az-letter:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: var(--hd-border-glass);
}

.hd-az-letter.active {
  background-color: var(--hd-primary) !important;
  color: #fff !important;
  border-color: var(--hd-primary) !important;
  box-shadow: var(--hd-glow-primary) !important;
}

/* Ensure grid items transitions look smooth */
#hd-az-cards-grid {
  transition: opacity 0.3s ease;
}