/* Share Hub System — theme-overridable via CSS variables */
.share-hub,
.share-hub-btn {
  --share-bg: #22401d;
  --share-color: #ffffff;
  --share-accent: #7cfc00;
  --share-radius: 999px;
}

.share-hub-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--share-bg);
  color: var(--share-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.2;
  border-radius: var(--share-radius);
  padding: 0.75rem 0.875rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
  z-index: 99999;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.share-hub-btn:hover,
.share-hub-btn:focus {
  color: var(--share-color);
  opacity: 0.92;
  transform: translateY(-1px);
}

.share-hub-btn--float {
  /* top/right/bottom/left set via inline CSS from admin margin settings */
  /* iOS Safari: keep composited layer to reduce fixed-position glitches while scrolling */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition:
    transform 0.15s ease,
    opacity 0.2s ease,
    visibility 0.2s ease;
  /* Larger tap target on mobile (whole button is clickable, not just icon/text) */
  position: relative;
  min-height: 48px;
  min-width: 48px;
  padding: 0.875rem 1.125rem;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25);
  user-select: none;
  -webkit-user-select: none;
}

/* Clicks always register on the link, not only on inner spans */
.share-hub-btn--float .share-hub-btn-icon,
.share-hub-btn--float .share-hub-btn-text {
  pointer-events: none;
}

/* Extra tap padding around the pill (still part of the same link) */
.share-hub-btn--float::before {
  content: '';
  position: absolute;
  inset: -14px;
  background: transparent;
}

.share-hub-btn.share-hub-btn--float.is-share-hub-float-at-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Chrome / mobile: JS sets top from visualViewport bottom; cancel PHP bottom offset */
.share-hub-btn.share-hub-btn--float.is-share-hub-visual-anchor {
  bottom: auto !important;
}

.share-hub-btn--inline {
  position: static;
}

.share-hub-btn-icon {
  display: inline-flex;
}

.share-hub {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  font-family: inherit;
  color: inherit;
}

.share-hub-section {
  margin-bottom: 2rem;
}

.share-hub-section-title,
.share-hub-heading {
  font-size: 1.125rem;
}

.share-hub-preview {
  display: grid;
  gap: 1rem;
  border: 1px solid color-mix(in srgb, var(--share-bg) 20%, transparent);
  border-radius: calc(var(--share-radius) * 0.25);
  padding: 1rem;
  background: color-mix(in srgb, var(--share-bg) 4%, transparent);
}

.share-hub-preview--shared {
  padding: 0.75rem 1rem;
}

.share-hub-preview-compact {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.share-hub-preview--shared .share-hub-preview-image {
  flex: 0 0 auto;
  width: 96px;
  height: 96px;
  margin: 0;
}

.share-hub-preview--shared .share-hub-preview-image img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: calc(var(--share-radius) * 0.15);
}

.share-hub-preview--shared .share-hub-preview-title {
  margin: 0 0 0.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}

.share-hub-preview-meta {
  flex: 1;
  min-width: 0;
}

.share-hub-preview--shared .share-hub-preview-excerpt {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.45;
  opacity: 0.85;
}

.share-hub-preview-image img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--share-radius) * 0.2);
  display: block;
}

.share-hub-preview-intro {
  margin: 0 0 0.75rem;
}

.share-hub-preview-intro p:last-child {
  margin-bottom: 0;
}

.share-hub-preview-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.share-hub-preview-excerpt {
  margin: 0 0 0.5rem;
}

.share-hub-preview-url {
  margin: 0;
  word-break: break-all;
  font-size: 0.875rem;
}

.share-hub-link-grid {
  display: grid;
  gap: 0.5rem;
}

.share-hub-link-grid--horizontal {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.share-hub-link-grid--horizontal.share-hub-link-grid--cols-1 { grid-template-columns: 1fr; }
.share-hub-link-grid--horizontal.share-hub-link-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.share-hub-link-grid--horizontal.share-hub-link-grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.share-hub-link-grid--horizontal.share-hub-link-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
.share-hub-link-grid--horizontal.share-hub-link-grid--cols-5 { grid-template-columns: repeat(5, 1fr); }
.share-hub-link-grid--horizontal.share-hub-link-grid--cols-6 { grid-template-columns: repeat(6, 1fr); }

.share-hub-link-grid--vertical {
  grid-template-columns: 1fr;
}

.share-hub-text-left { text-align: left; }
.share-hub-text-center { text-align: center; }
.share-hub-text-right { text-align: right; }

.share-hub-field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
}

.share-hub-field-row .regular-text {
  min-width: 220px;
}

.share-hub-link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.65rem 0.5rem;
  border-radius: calc(var(--share-radius) * 0.2);
  border: 1px solid color-mix(in srgb, var(--share-bg) 25%, transparent);
  text-decoration: none;
  color: inherit;
  font-size: 0.875rem;
  background: transparent;
}

.share-hub-link:hover,
.share-hub-link:focus {
  border-color: var(--share-bg);
  background: color-mix(in srgb, var(--share-accent) 15%, transparent);
}

.share-hub-list {
  margin: 0;
  padding-left: 1.25rem;
}

.share-hub-list li {
  margin-bottom: 0.35rem;
}

.share-hub-trending-group {
  margin-top: 1rem;
}

.share-hub-trending-group:first-of-type {
  margin-top: 0.5rem;
}

.share-hub-trending-category {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
}

.share-hub-trending-category a {
  text-decoration: none;
}

.share-hub-list--nested {
  margin-left: 0.5rem;
}

.share-hub-muted {
  opacity: 0.7;
  font-size: 0.875rem;
}

.share-hub-ideas-list {
  margin: 0;
  padding-left: 1.25rem;
}

.share-hub-custom-body {
  line-height: 1.6;
}

.share-hub-custom-body ul,
.share-hub-custom-body ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.share-hub-override {
  /* Hook for theme-specific overrides */
}