.dwd-test-panel {
  position: fixed;
  right: 10px;
  bottom: 90px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  max-height: 72vh;
  overflow-y: auto;
}

.dwd-test-header {
  background: #222;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: bold;
  text-align: center;
}

.dwd-test-btn {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #888;
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  text-align: left;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  color: #222;
  white-space: nowrap;
  user-select: none;
}

.dwd-test-btn:hover {
  background: #f0f0f0;
}

.dwd-test-btn.active {
  background: #2d7dd2;
  color: #fff;
  border-color: #1b5fa8;
}

.dwd-test-btn .dwd-test-sub {
  display: block;
  font-size: 10px;
  opacity: 0.85;
  margin-top: 2px;
}

.dwd-cell-arrow {
  background: transparent;
  border: none;
  pointer-events: none;
}

.dwd-cell-arrow-inner {
  font-size: 16px;
  font-weight: bold;
  color: #111;
  text-shadow: 0 0 2px #fff, 0 0 2px #fff, 0 0 3px #fff;
  line-height: 18px;
  text-align: center;
}