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

body {
  background: transparent;
  overflow: hidden;
  -webkit-app-region: no-drag;
  user-select: none;
}

#root {
  width: 100%;
  height: 100%;
}

.history-popup {
  background: #242427;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(4px) scale(0.98);
  transition: opacity 0.15s ease-out, transform 0.15s ease-out;
  min-width: 300px;
  max-width: 420px;
}

.history-popup.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.history-popup.hiding {
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  transition-duration: 0.1s;
  transition-timing-function: ease-in;
}

.items {
  max-height: 360px;
  overflow-y: auto;
}

.item {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 100ms;
  gap: 8px;
  position: relative;
}

.item:hover,
.item.selected {
  background: rgba(255, 255, 255, 0.06);
}

.item.selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: #f25b29;
  border-radius: 1.5px;
}

.item-number {
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", monospace;
  min-width: 16px;
  text-align: center;
}

.item-text {
  flex: 1;
  color: rgba(255, 255, 255, 0.87);
  font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-time {
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  white-space: nowrap;
  flex-shrink: 0;
}

.hints {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 6px 0 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 4px;
}

.hints span {
  color: rgba(255, 255, 255, 0.25);
  font-size: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.empty-state {
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
  text-align: center;
  padding: 24px 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}