.tooltip-btn {
  position: relative;
  background: #4f46e5;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  font-weight: 600;
  user-select: none;
  outline-offset: 4px;
  transition: background-color 0.3s ease;
}

.tooltip-btn:hover {
  background: #6366f1;
}

/* 툴팁 기본 스타일 */
.tooltip-text {
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #27272a;
  color: #e0e0e0;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

/* 화살표 만들기 */
.tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -6px;
  border-width: 6px;
  border-style: solid;
  border-color: #27272a transparent transparent transparent;
}

/* hover 시 보이기 */
.tooltip-btn:hover .tooltip-text {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}