/* Main Content */
.groups-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  flex: 1;
}

@media (max-width: 1024px) {
  .groups-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .groups-container {
    grid-template-columns: 1fr;
  }
}

.group-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 150px;
  padding-bottom: 80px;
}

[data-compact="true"] .group-col {
  gap: 18px;
}

.empty-state {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  color: var(--text-secondary);
  font-size: 15px;
}

.group-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.group-card:hover {
  box-shadow: var(--card-shadow-hover);
}

.group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  cursor: pointer;
  padding: 8px 12px;
  margin-left: 0;
  margin-right: 0;
  border-radius: var(--radius-md);
  user-select: none;
  transition: background-color 0.15s, margin-bottom 0.3s ease;
}

.group-card.is-collapsed .group-header {
  margin-bottom: 0;
}

.group-header:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .group-header:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.group-title-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.group-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: -0.2px;
}

.group-collapsed-icons {
  display: none;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  flex: 0 0 auto;
}

.group-card.is-collapsed .group-collapsed-icons {
  display: flex;
  animation: collapsed-icons-enter 0.18s ease-out both;
}

@keyframes collapsed-icons-enter {
  from {
    opacity: 0;
    transform: translateX(-3px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.collapsed-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  flex: 0 0 28px;
  transform: translateZ(0);
  transition: transform 0.15s, background-color 0.15s;
}

.collapsed-icon-link:hover {
  background-color: rgba(0, 0, 0, 0.05);
  transform: scale(1.1);
}

[data-theme="dark"] .collapsed-icon-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.collapsed-icon-link img {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 3px;
}

.group-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.group-card:hover .group-actions {
  opacity: 1;
}

.group-action-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.group-action-btn:hover {
  background-color: var(--item-hover-bg);
  color: var(--text-color);
}

.sites-grid-wrapper {
  display: grid;
  grid-template-rows: 1fr;
  min-height: 0;
  overflow: hidden;
  opacity: 1;
  transform: translateY(0);
  will-change: grid-template-rows, opacity, transform;
  transition:
    grid-template-rows 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease,
    transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

.sites-grid-wrapper.collapsed {
  grid-template-rows: 0fr;
  min-height: 0;
  opacity: 0;
  transform: translateY(-5px);
  pointer-events: none;
}

.sites-grid-wrapper.collapsed .sites-grid {
  min-height: 0;
}

.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
  min-height: 0;
  overflow: hidden;
}

.sites-grid.is-sorting {
  min-height: var(--site-height);
}

.fold-icon {
  flex: 0 0 auto;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.empty-group-state {
  grid-column: 1 / -1;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--card-border);
}

[data-theme="dark"] .empty-group-state {
  background: rgba(255, 255, 255, 0.02);
}

.site-btn {
  display: flex;
  align-items: center;
  height: var(--site-height);
  padding: 0 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-color);
  gap: 10px;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
}

.site-btn:hover {
  background: var(--item-hover-bg);
  border-color: var(--card-border);
}

.site-btn img {
  width: var(--favicon-size);
  height: var(--favicon-size);
  border-radius: 4px;
}

.site-title {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* Pure Icon Mode */
[data-card-mode="icon-only"] .sites-grid {
  grid-template-columns: repeat(auto-fill, minmax(calc(var(--pure-icon-size, 24px) + 20px), 1fr)) !important;
  gap: 8px;
}

[data-card-mode="icon-only"] .site-btn {
  justify-content: center;
  padding: 0;
  width: 100% !important;
  aspect-ratio: 1 / 1 !important;
  height: auto !important;
}

[data-card-mode="icon-only"] .site-btn img {
  width: var(--pure-icon-size, 24px);
  height: var(--pure-icon-size, 24px);
  transition: opacity 0.2s;
}

[data-card-mode="icon-only"] .site-title {
  display: none;
}

[data-card-mode="icon-only"] .site-action-btn {
  width: 20px;
  height: 20px;
}

[data-card-mode="icon-only"] .search-results {
  flex-direction: row;
  flex-wrap: wrap;
  padding: 12px;
  gap: 12px;
  display: flex;
}

[data-card-mode="icon-only"] .search-result-item[data-url] {
  padding: 8px;
  border-radius: 12px;
  justify-content: center;
  width: auto;
  aspect-ratio: 1 / 1;
}

[data-card-mode="icon-only"] .search-result-item[data-url] .site-title {
  display: none;
}

[data-card-mode="icon-only"] .search-result-item[data-url] img {
  width: var(--pure-icon-size, 24px);
  height: var(--pure-icon-size, 24px);
  margin: 0;
}

[data-card-mode="icon-only"] .search-result-item:not([data-url]) {
  width: 100%;
}

.site-action-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background 0.15s;
}

.site-action-btn:hover {
  color: var(--text-color);
  background: rgba(0,0,0,0.06);
}

[data-theme="dark"] .site-action-btn:hover {
  background: rgba(255,255,255,0.1);
}