/* ---------- 5 Second Rule ---------- */

.fsr-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  margin-top: 24px;
  margin-bottom: 40px;
}

.fsr-menu {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 20px;
}

.fsr-menu-title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: #000000;
  text-align: center;
}

.fsr-button-container {
  display: flex;
  flex-direction: column;
  gap: 8px;

  max-height: 272px;
  overflow-y: auto;
  padding-right: 6px;
}

.fsr-menu-button {
  background-color: #f5f5f5;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 500;
  color: #000000;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.fsr-menu-button:hover {
  background-color: #efefef;
  border-color: #d0d0d0;
}

.fsr-menu-button.fsr-active {
  background-color: #0f1cd5;
  color: #ffffff;
  border-color: #0f1cd5;
}

.fsr-content {
  display: flex;
  flex-direction: column;
}

.fsr-cards {
  width: 100%;
}

.fsr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.fsr-card {
  cursor: pointer;
  height: 280px;
  background-color: #ffffff;
  border: 2px solid #e0e0e0;
  border-radius: 30px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.fsr-card:hover {
  border-color: #0f1cd5;
  box-shadow: 0 4px 12px rgba(15, 28, 213, 0.1);
}

.fsr-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
}

.fsr-card-front,
.fsr-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
  border-radius: 18px;
  top: 0;
  left: 0;
}

.fsr-card-front {
  background-color: #ffffff;
  color: #000000;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.fsr-card-back {
  background-color: #f5f5f5;
  color: #000000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fsr-card.fsr-card-flipped .fsr-card-front {
  opacity: 0;
}

.fsr-card.fsr-card-flipped .fsr-card-back {
  opacity: 1;
}

.fsr-card-front p {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.fsr-card-back p {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.fsr-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.fsr-nav button {
  background-color: #0f1cd5;
  color: rgb(255, 255, 255);
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
}

.fsr-nav span {
  font-size: 16px;
  color: #000000;
}

@media (max-width: 1024px) {
  .fsr-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .fsr-menu {
    position: relative;
    top: 0;
    padding: 16px;
  }

  .fsr-button-container {
    display: flex;
    flex-direction: column;
    gap: 8px;

    max-height: 280px;
    overflow-y: auto;
    padding-right: 6px;
  }

  .fsr-button-container::-webkit-scrollbar {
    width: 8px;
  }

  .fsr-button-container::-webkit-scrollbar-track {
    background: #f5f5f5;
    border-radius: 8px;
  }

  .fsr-button-container::-webkit-scrollbar-thumb {
    background: #c8c8c8;
    border-radius: 8px;
  }

  .fsr-button-container::-webkit-scrollbar-thumb:hover {
    background: #999999;
  }

  .fsr-menu-button {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  .fsr-grid {
    grid-template-columns: 1fr;
  }

  .fsr-card {
    height: 240px;
  }

  .fsr-card-front p,
  .fsr-card-back p {
    font-size: 14px;
  }
}