/* H-Donghua V2 Premium Utility Styles */

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--hd-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--hd-surface-hover);
  border-radius: var(--hd-radius-md);
  border: 2px solid var(--hd-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--hd-primary);
}

/* Glassmorphism Helpers */
.hd-glass-card {
  background: var(--hd-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hd-border-glass);
  border-radius: var(--hd-radius-lg);
}

.hd-glass-card-bright {
  background: var(--hd-surface-glass-bright);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hd-border-glass-active);
  border-radius: var(--hd-radius-lg);
}

/* Typography and Gradients */
.hd-text-gradient-primary {
  background: linear-gradient(135deg, var(--hd-primary) 0%, var(--hd-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hd-text-truncate {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hd-text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Skeleton Loading Effects */
.hd-skeleton-loader {
  display: flex;
  flex-direction: column;
  gap: var(--hd-spacing-md);
  width: 100%;
  box-sizing: border-box;
}

.hd-skeleton-item {
  width: 100%;
  height: 50px;
  background: linear-gradient(90deg, var(--hd-surface) 25%, var(--hd-surface-hover) 50%, var(--hd-surface) 75%);
  background-size: 200% 100%;
  animation: hd-skeleton-shimmer 1.5s infinite linear;
  border-radius: var(--hd-radius-md);
  border: 1px solid var(--hd-border-glass);
}

@keyframes hd-skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Empty States */
.hd-empty-msg {
  padding: var(--hd-spacing-xl);
  text-align: center;
  color: var(--hd-text-muted);
  background: var(--hd-surface-glass);
  border: 1px solid var(--hd-border-glass);
  border-radius: var(--hd-radius-lg);
  font-size: var(--hd-text-sm);
  font-weight: 500;
  width: 100%;
  box-sizing: border-box;
}

/* Flex / Alignment Utilities */
.hd-d-flex { display: flex; }
.hd-align-center { align-items: center; }
.hd-justify-between { justify-content: space-between; }
.hd-flex-wrap { flex-wrap: wrap; }
.hd-gap-xs { gap: var(--hd-spacing-xs); }
.hd-gap-sm { gap: var(--hd-spacing-sm); }
.hd-gap-md { gap: var(--hd-spacing-md); }

/* Visibility and Sizing */
.hd-w-100 { width: 100%; }
.hd-h-100 { height: 100%; }
.hd-d-none { display: none !important; }

/* Premium Section Header Icons */
.hd-title-with-icon {
  display: flex;
  align-items: center;
  gap: var(--hd-spacing-sm);
}

.hd-title-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--hd-primary-glow);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--hd-radius-md);
  color: var(--hd-primary);
  box-shadow: var(--hd-glow-primary);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.hd-title-icon-box.blue {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.hd-title-icon-box.yellow {
  background: rgba(234, 179, 8, 0.1);
  border-color: rgba(234, 179, 8, 0.2);
  color: #eab308;
  box-shadow: 0 0 15px rgba(234, 179, 8, 0.2);
}

.hd-title-icon-box.orange {
  background: rgba(249, 115, 22, 0.1);
  border-color: rgba(249, 115, 22, 0.2);
  color: #f97316;
  box-shadow: 0 0 15px rgba(249, 115, 22, 0.2);
}

.hd-title-icon-box.green {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: #10b85d;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.hd-title-icon-box.purple {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
  color: #8b5cf6;
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

/* Premium Page Header layout helper */
.hd-page-header-with-icon {
  display: flex;
  align-items: center;
  gap: var(--hd-spacing-md);
  margin-bottom: var(--hd-spacing-lg);
}

.hd-page-header-with-icon .hd-section-title,
.hd-page-header-with-icon .hd-archive-title,
.hd-page-header-with-icon .hd-search-page-header h1,
.hd-page-header-with-icon h1 {
  margin-bottom: 0 !important;
}