/* Recent Symbols History Styling */
.recent-symbols {
  background-color: var(--card-bg-color, #f9f9f9);
  border-radius: 12px;
  margin: 20px auto;
  padding: 20px;
  box-shadow: 0 2px 8px var(--shadow-color, rgba(0, 0, 0, 0.1));
  max-width: 900px;
  animation: fadeIn 0.5s ease-out;
}

.recent-symbols h3 {
  font-size: 1.4rem;
  margin: 0 0 15px 0;
  color: var(--primary-color, #c71585);
  position: relative;
  padding-bottom: 8px;
}

.recent-symbols h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary-color, #c71585);
}

.recent-symbols-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.recent-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 5px 10px;
  background-color: var(--symbol-bg-color, #ffffff);
  border: 1px solid var(--symbol-border-color, #eaeaea);
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.recent-symbol:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color, rgba(0, 0, 0, 0.1));
  border-color: var(--primary-color, #c71585);
}

.recent-symbol:active {
  transform: translateY(0);
}

.clear-history-button {
  background-color: var(--button-bg-color, #f4f4f4);
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s;
  color: var(--text-color, #333);
}

.clear-history-button:hover {
  background-color: var(--button-hover-bg-color, #e0e0e0);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* For smaller screens */
@media (max-width: 768px) {
  .recent-symbols {
    padding: 15px;
    margin: 15px;
  }
  
  .recent-symbol {
    min-width: 36px;
    height: 36px;
    font-size: 16px;
  }
}

/* Dark mode specific enhancements */
[data-theme="dark"] .recent-symbol {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .recent-symbol:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}