/* SpeedTabs Pro - Main Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --icon-border-radius: 20%;

  /* Z-index */
  --z-dropdown: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;

  /* Colors */
  --bookmark-inner-bg: #0000000d;

  /* Semantic Theme Variables (Default Dark) */
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-placeholder: rgba(255, 255, 255, 0.4);
  --bg-secondary: rgba(255, 255, 255, 0.05);
  --bg-tertiary: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-color, #ffffff);
  background: var(--bg-color, #1a1a1a);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main Layout */
.main-content {
  min-height: 100vh;
  padding: var(--spacing-lg);
  transition: margin-left var(--transition-base);
}

.main-content.sidebar-open {
  margin-left: 320px;
}

/* Top Bar */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--text-color, #ffffff);
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.icon-btn:active {
  transform: translateY(0);
}

/* Add Dropdown Menu */
.add-menu-container {
  position: relative;
  display: inline-flex;
}

.add-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: rgba(30, 30, 30, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-md, 14px);
  border: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: var(--z-dropdown, 1000);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.96);
  transform-origin: top right;
  transition: opacity 160ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 160ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 160ms;
  pointer-events: none;
}

/* Invisible bridge so moving cursor between button and menu does not close it */
.add-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.add-menu-container:hover .add-dropdown-menu,
.add-dropdown-menu:hover,
.add-dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.add-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-color, #ffffff);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.add-menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.add-menu-item .menu-icon {
  width: 16px;
  height: 16px;
  opacity: 0.85;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.add-menu-item:hover .menu-icon {
  opacity: 1;
}

/* Search */
.search-container {
  display: flex;
  align-items: center;
  /* gap removed to fix spacing issues when input is hidden */
}

.search-input {
  width: 0;
  padding: 0;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--text-color, #ffffff);
  font-family: var(--font-primary);
  font-size: 14px;
  opacity: 0;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.search-input.active {
  width: 300px;
  padding: 10px 16px;
  opacity: 1;
  margin-left: var(--spacing-sm);
}

.search-input::placeholder {
  color: var(--text-placeholder);
}

.search-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
}

/* Groups Navigation */
.groups-nav {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  /* Allow it to take available space */
  align-items: center;
}

.groups-nav::-webkit-scrollbar {
  display: none;
}

.group-tab {
  position: relative;
  padding: var(--spacing-md) var(--spacing-sm);
  border: none;
  background: none;
  color: var(--group-inactive-color, #888888);
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.group-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--group-highlight-color, #4a9eff);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.group-tab:hover {
  color: var(--group-active-color, #ffffff);
}

.group-tab.active {
  color: var(--group-active-color, #ffffff);
}

.group-tab.active::after {
  transform: scaleX(1);
}

/* Bookmarks Container */
.bookmarks-container {
  display: flex;
  justify-content: center;
  align-items: var(--vertical-align, center);
  min-height: calc(100vh - 200px);
}

.bookmarks-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--grid-spacing, 20px);
  justify-content: center;
  width: 100%;
  max-width: var(--grid-max-width, 1400px);
  padding: var(--spacing-md);
  margin: 0 auto;
}

/* Bookmark Tile */
.bookmark-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bookmark-bg, #2a2a2a);
  border: 1px solid var(--bookmark-border, #444444);
  border-radius: var(--bookmark-radius, 12px);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
  width: var(--tile-width);
  flex: 0 0 var(--tile-width);
}

.bookmark-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.bookmark-tile.dragging {
  opacity: 0.35 !important;
  cursor: grabbing !important;
  border: 2px dashed var(--group-highlight-color, #4a9eff) !important;
  background: rgba(74, 158, 255, 0.08) !important;
  box-shadow: 0 0 20px rgba(74, 158, 255, 0.25) !important;
  transform: scale(0.96) !important;
}

.bookmark-tile.dragging * {
  pointer-events: none !important;
}

.bookmark-icon {
  width: var(--icon-size, 80px);
  height: var(--icon-size, 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bookmark-inner-bg, #00000019);
  border-radius: var(--icon-border-radius, 20%);
  clip-path: inset(0 round var(--icon-border-radius, 20%));
  -webkit-clip-path: inset(0 round var(--icon-border-radius, 20%));
  overflow: hidden;
}

.bookmark-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--icon-border-radius, 20%);
  clip-path: inset(0 round var(--icon-border-radius, 20%));
  -webkit-clip-path: inset(0 round var(--icon-border-radius, 20%));
  -webkit-user-drag: none;
  user-select: none;
  pointer-events: none;
}

.bookmark-title {
  font-size: var(--text-size, 14px);
  font-weight: 500;
  color: var(--bookmark-text, #ffffff);
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bookmark-title.hidden {
  display: none;
}

.edit-icon {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(58, 58, 58, 0.215);
  border-radius: 50%;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
  backdrop-filter: blur(10px);
}

.bookmark-tile:hover .edit-icon {
  opacity: 1;
  transition-delay: 1s;
}

.edit-icon svg {
  width: 16px;
  height: 16px;
  color: var(--text-color);
}

/* Add Button */
.add-bookmark-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--bookmark-radius, 12px);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-color, #ffffff);
  width: var(--tile-width);
  flex: 0 0 var(--tile-width);
}

.add-bookmark-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  transform: translateY(-2px);
}

.add-bookmark-btn svg {
  width: var(--icon-size, 80px);
  height: var(--icon-size, 80px);
}

.add-bookmark-btn span {
  font-size: var(--text-size, 14px);
  font-weight: 500;
}

/* Hover Animations */
.bookmark-tile.hover-lift:hover {
  transform: translateY(-6px);
}

.bookmark-tile.hover-scale:hover {
  transform: scale(1.05);
}

.bookmark-tile.hover-glow:hover {
  box-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
}

/* Responsive */
@media (max-width: 1200px) {
  .main-content.sidebar-open {
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  .search-input.active {
    width: 200px;
  }
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Utility Classes */
.full-width {
  width: 100%;
}

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

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

/* Preferences Sidebar */
.preferences-sidebar {
  position: fixed;
  top: 0;
  left: -320px;
  width: 320px;
  height: 100vh;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  transition: left var(--transition-base);
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.preferences-sidebar.active {
  left: 0;
}

.preferences-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.preferences-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-color, #ffffff);
}

.close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-color, #ffffff);
  font-size: 24px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.preferences-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.preferences-content::-webkit-scrollbar {
  width: 6px;
}

.preferences-content::-webkit-scrollbar-track {
  background: transparent;
}

.preferences-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.preferences-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Preference Sections */
.pref-section {
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.pref-section-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-color, #ffffff);
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.pref-section-header:hover {
  background: rgba(255, 255, 255, 0.08);
}

.pref-section-header .icon {
  flex-shrink: 0;
}

.pref-section-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.pref-section-content.active {
  max-height: 2000px;
  padding: var(--spacing-md);
}

/* Preference Items */
.pref-item {
  margin-bottom: var(--spacing-md);
}

.pref-item:last-child {
  margin-bottom: 0;
}

.pref-item label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.pref-item input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.pref-item input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #4a9eff;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.pref-item input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.pref-item input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #4a9eff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.pref-item input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
}

.pref-item input[type="checkbox"] {
  margin-right: var(--spacing-sm);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.pref-item select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-color, #ffffff);
  font-family: var(--font-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pref-item select:hover {
  background: rgba(255, 255, 255, 0.08);
}

.pref-item select:focus {
  outline: none;
  border-color: #4a9eff;
}

/* Theme Selector */
.theme-selector {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.theme-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-btn:hover {
  background: var(--bg-secondary);
  border-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.2);
}

.theme-btn.active {
  background: rgba(74, 158, 255, 0.15);
  border-color: #4a9eff;
  color: #4a9eff;
}

/* Color Input */
.color-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
}

.color-hex-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-color, #ffffff);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  transition: all var(--transition-fast);
}

.color-hex-input:focus {
  outline: none;
  border-color: #4a9eff;
  background: rgba(255, 255, 255, 0.08);
}

.color-picker-btn {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-picker-btn:hover {
  transform: scale(1.05);
  border-color: rgba(255, 255, 255, 0.4);
}

/* Position Grid */
.position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.position-grid button {
  aspect-ratio: 1;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.position-grid button:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.position-grid button.active {
  background: rgba(74, 158, 255, 0.15);
  border-color: #4a9eff;
  color: #4a9eff;
}

/* Groups List */
.groups-list {
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.group-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px var(--spacing-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  cursor: default;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  user-select: none;
}

.group-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.group-item.dragging {
  opacity: 0.45;
  transform: scale(0.98);
  cursor: grabbing;
  border-color: rgba(74, 158, 255, 0.4);
  box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

/* Drag handle icon */
.drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  cursor: grab;
  flex-shrink: 0;
  padding: 2px;
  border-radius: 3px;
  transition: color var(--transition-fast);
}

.group-item:hover .drag-handle {
  color: rgba(255, 255, 255, 0.6);
}

.drag-handle:active {
  cursor: grabbing;
}

.group-item input[type="checkbox"] {
  margin: 0;
  flex-shrink: 0;
}

.group-item .group-name {
  flex: 1;
  color: var(--text-color, #ffffff);
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.group-item .group-name-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid #4a9eff;
  border-radius: var(--radius-sm);
  color: var(--text-color, #ffffff);
  font-family: inherit;
  font-size: 14px;
  padding: 3px 8px;
  outline: none;
  box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.25);
  min-width: 0;
}

body[data-theme="light"] .group-item .group-name-input {
  background: #ffffff;
  color: #1a1a1a;
  border-color: #4a9eff;
}

.group-item.editing {
  background: rgba(74, 158, 255, 0.08);
  border-color: rgba(74, 158, 255, 0.5);
}

.group-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}

.edit-group-btn,
.delete-group-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-color, #ffffff);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
}

.group-item:hover .edit-group-btn,
.group-item:hover .delete-group-btn,
.group-item.editing .edit-group-btn {
  opacity: 1;
}

@media (hover: none) {
  .edit-group-btn,
  .delete-group-btn {
    opacity: 0.7;
  }
}

.edit-group-btn:hover {
  background: rgba(74, 158, 255, 0.15);
  color: #4a9eff;
}

.delete-group-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

body[data-theme="dark"] .edit-group-btn,
body[data-theme="dark"] .delete-group-btn {
  color: #ffffff;
}

body[data-theme="light"] .edit-group-btn,
body[data-theme="light"] .delete-group-btn {
  color: #000000;
}

body[data-theme="dark"] .edit-group-btn:hover,
body[data-theme="light"] .edit-group-btn:hover {
  color: #4a9eff;
}

body[data-theme="dark"] .delete-group-btn:hover,
body[data-theme="light"] .delete-group-btn:hover {
  color: #ef4444;
}

.edit-group-btn svg,
.delete-group-btn svg {
  width: 14px;
  height: 14px;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: #4a9eff;
  color: #ffffff;
}

.btn-primary:hover {
  background: #3a8eef;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-color, #ffffff);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* Preferences Footer */
.preferences-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.version {
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: none;
  color: #4a9eff;
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.link-btn:hover {
  color: #3a8eef;
}

/* Headings */
h4 {
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.color-group {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}



/* Background Controls */
.background-controls {
  margin-bottom: var(--spacing-md);
}