.breathing-wrapper {
  display: flex;
  flex-direction: column;

  align-items: center;

  margin-top: 60px;
}

.circle {
  width: 240px;
  height: 240px;

  margin: 20px auto;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.35);

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 28px;
  font-weight: 600;

  transition: transform 4s ease;

  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.15),
    inset 0 0 40px rgba(255, 255, 255, 0.4);
}

.circle-text {
  font-size: 28px;
  font-weight: 600;

  color: white;

  text-align: center;
}

.timer {
  font-size: 40px;

  margin-top: 20px;
  margin-bottom: 10px;

  font-weight: 600;
}

.duration {
  margin-top: 20px;

  display: flex;

  gap: 10px;
}

.duration button {
  padding: 8px 14px;

  border: none;

  border-radius: 8px;

  background: rgba(255, 255, 255, 0.25);

  color: white;

  cursor: pointer;
}

.start-btn {
  margin-top: 25px;

  padding: 12px 26px;

  border: none;

  border-radius: 12px;

  background: #3a9fb7;

  color: white;

  font-size: 16px;

  cursor: pointer;
}