/* Emoji Input Panel */
.emoji-input-panel {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 420px;
  max-width: 90vw;
  height: 450px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  z-index: 9999;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.emoji-panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  border-radius: 16px 16px 0 0;
}

.emoji-panel-tab {
  flex: 1;
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
}

.emoji-panel-tab:first-child {
  border-radius: 16px 0 0 0;
}

.emoji-panel-tab:last-child {
  border-radius: 0 16px 0 0;
}

.emoji-panel-tab:hover {
  background: var(--bg-glass-light);
  color: var(--text-primary);
}

.emoji-panel-tab.active {
  color: var(--accent-primary);
  background: var(--bg-secondary);
}

.emoji-panel-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.emoji-panel-tab i {
  font-size: 16px;
}

.emoji-panel-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.emoji-panel-pane {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  flex-direction: column;
}

.emoji-panel-pane.active {
  display: flex;
}

.emoji-panel-search {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
}

.emoji-panel-search i {
  color: var(--text-muted);
  font-size: 14px;
}

.emoji-panel-search input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all 0.15s ease;
}

.emoji-panel-search input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.emoji-panel-categories {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  overflow-x: auto;
  scrollbar-width: none;
}

.emoji-panel-categories::-webkit-scrollbar {
  display: none;
}

.emoji-category-btn {
  min-width: 36px;
  height: 36px;
  padding: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-category-btn:hover {
  background: var(--bg-glass-light);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.emoji-panel-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.emoji-panel-scroll::-webkit-scrollbar {
  width: 8px;
}

.emoji-panel-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.emoji-panel-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #1f2b3a, #111827);
  border-radius: 999px;
  border: 2px solid var(--bg-secondary);
}

.emoji-panel-scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #273345, #1a2333);
}

.emoji-category-section {
  margin-bottom: 16px;
}

.emoji-category-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  padding-left: 4px;
  letter-spacing: 0.3px;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 4px;
}

.emoji-item {
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-item:hover {
  background: var(--bg-glass-light);
  border-color: var(--accent-primary);
  transform: scale(1.15);
}

.emoji-panel-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px;
  text-align: center;
}

.emoji-panel-placeholder p {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.emoji-panel-placeholder small {
  font-size: 13px;
  color: var(--text-muted);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .emoji-input-panel {
    width: 100%;
    max-width: 100%;
    height: 400px;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px 16px 0 0;
    transform: none;
  }
  
  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .emoji-panel-tab span {
    display: none;
  }
  
  .emoji-grid {
    grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  }
  
  .emoji-item {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
}