.academix-grade-courses {
  --grade-circle-size: 90px;
  --grade-bg-blue: #0055fe;
  --circle-font-size: 24px;
  --circle-active-bg: #fea500;
}

.academix-grade-courses .circle-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: space-evenly;
  padding: 20px;
  margin: 50px 0;
}

.academix-grade-courses .grade-circle {
  width: var(--grade-circle-size);
  height: var(--grade-circle-size);
  background-color: var(--grade-bg-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: inherit;
  font-size: var(--circle-font-size);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 0;
  border-radius: 50%;
  padding: 0;
  opacity: 0;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, opacity 0.5s ease-in-out, box-shadow 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  appearance: none;
}

.academix-grade-courses .grade-circle.show {
  opacity: 1;
}

.academix-grade-courses .grade-circle.selected,
.academix-grade-courses .grade-circle:hover {
  background-color: var(--circle-active-bg);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.academix-grade-courses .grade-circle:active {
  transform: scale(0.95);
}

.academix-grade-courses .grade-circle:focus-visible {
  outline: 3px solid var(--circle-active-bg);
  outline-offset: 4px;
}

.academix-grade-courses .grade-circle svg {
  width: 32px;
  height: 32px;
  display: block;
}

.academix-grade-courses .trimester-heading {
  background-color: #0055ff;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 100vw;
  margin: 0 0 15px;
  padding: 0;
}

.academix-grade-courses .trimester-title {
  margin: 0;
  padding: 10px;
  color: #fff;
}

.academix-grade-courses .courses-container {
  margin: 50px 0;
}

.academix-grade-courses .no-courses-message {
  text-align: center;
  display: none;
}

.academix-grade-courses .ld-progress-bar-percentage {
  width: 0%;
}

.academix-grade-courses .courses-container.error .error-message,
.academix-grade-courses .courses-container .empty-message {
  text-align: center;
  padding: 20px;
  color: #777;
}

.academix-grade-courses .courses-container.error .error-message {
  color: #c00;
  font-weight: 700;
}

@media (max-width: 768px) {
  .academix-grade-courses {
    --grade-circle-size: 70px;
    --circle-font-size: 20px;
  }

  .academix-grade-courses .circle-container {
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .academix-grade-courses {
    --grade-circle-size: 40px;
    --circle-font-size: 16px;
  }

  .academix-grade-courses .circle-container {
    gap: 6px;
  }

  .academix-grade-courses .grade-circle svg {
    width: 22px;
    height: 22px;
  }
}