/* Reusable Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary));
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-secondary), #f43f5e);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.45);
}

.btn-sm {
  font-size: 0.825rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
}

/* Emoji Cards */
.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

@media (min-width: 640px) {
  .emoji-grid {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 1.25rem;
  }
}

.emoji-card {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  overflow: hidden;
}

.emoji-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.emoji-card-favorite {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-subtle);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  z-index: 2;
}

.emoji-card-favorite:hover {
  color: #ef4444;
  background-color: var(--color-surface);
  transform: scale(1.1);
}

.emoji-card-favorite.active {
  color: #ef4444;
  background: #fee2e2;
  border-color: #fca5a5;
}

.emoji-preview-box {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  user-select: none;
}

.emoji-char-glyph {
  font-size: 3.5rem;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.emoji-card:hover .emoji-char-glyph {
  transform: scale(1.12);
}

.emoji-asset-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
  transition: transform var(--transition-fast);
}

.emoji-card:hover .emoji-asset-img {
  transform: scale(1.08);
}

.emoji-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  line-height: 1.3;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.emoji-card-code {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  margin-bottom: 0.85rem;
}

.emoji-card-actions {
  display: flex;
  width: 100%;
  gap: 0.4rem;
  margin-top: auto;
}

.emoji-card-actions .btn {
  flex: 1;
}

/* Category Cards */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.category-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

.category-card-icon {
  font-size: 2.25rem;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.category-card-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.category-card-info p {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* Filter Chips */
.chips-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.chips-container::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-chip.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Search Box Component */
.search-wrapper {
  position: relative;
  width: 100%;
}

.search-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  font-size: 1.25rem;
  color: var(--color-text-subtle);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 56px;
  padding-left: 3.25rem;
  padding-right: 7.5rem;
  font-size: 1.05rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.search-actions-inside {
  position: absolute;
  right: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.clear-search-btn {
  display: none;
  font-size: 0.9rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  color: var(--color-text-subtle);
}

.clear-search-btn:hover {
  color: var(--color-text);
}

/* Autocomplete Dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-height: 380px;
  overflow-y: auto;
  z-index: 50;
  display: none;
}

.autocomplete-dropdown.active {
  display: block;
}

.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-subtle);
  transition: background-color var(--transition-fast);
}

.autocomplete-item:hover, .autocomplete-item.highlighted {
  background-color: var(--color-bg-alt);
}

.autocomplete-emoji {
  font-size: 1.5rem;
  line-height: 1;
}

.autocomplete-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.autocomplete-category {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-left: auto;
}

/* Accordion Component */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  background: none;
}

.faq-toggle-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
  color: var(--color-primary);
}

.faq-item.open .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.5rem;
}

/* Toast Notification Banner */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: #0f172a;
  color: #ffffff;
  font-size: 0.925rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  font-size: 1.2rem;
  color: var(--color-success);
}

/* Modal Dialog */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-xl);
  padding: 1.75rem;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

/* AdSense Container */
.ad-slot-container {
  display: none;
  margin: 2.5rem auto;
  max-width: 728px;
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  color: var(--color-text-subtle);
  font-size: 0.8rem;
}

.ad-slot-container.enabled {
  display: block;
}