body {
  background-color: #0a0a0a;
  font-family: "Poppins", sans-serif;
  color: #cbcbcb;
}

h1 {
  font-weight: 600;
  color: #10b857;
  font-size: 3rem;
  text-shadow: 0 0 5px rgba(16, 184, 87, 0.3);
}

.custom-tab {
  border: none;
  background-color: transparent;
  color: #4d4d4d;
  padding: 8px 16px;
  transition: color 0.3s ease;
  position: relative;
}

.custom-tab::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background-color: #10b857;
  transition: width 0.3s ease;
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
}

.custom-tab:hover::after,
.custom-tab.active::after {
  width: 100%;
}

.custom-tab:hover,
.custom-tab:focus {
  color: #10b857;
}

.custom-tab.active {
  text-shadow: 0 0 1px rgba(0, 123, 255, 0.5);
}

.nav-pills .nav-link {
  margin: 0 5px;
}

.nav-link.active {
  background-color: transparent !important;
  color: #10b857 !important;
}

/* Green Box Styling */
.green-box {
  border: 1px solid #10b857;
  border-radius: 10px;
  background-color: #0a0a0a;
  padding: 10px;
  /* Reduced padding */
  margin: 0 auto;
  /* Center the box */
  max-width: 800px;
  /* Optional: limit the box width */
  width: 100%;
}

.list-group-item {
  background-color: #1b1b1b;
  color: #e0e0e0;
  display: flex;
  align-items: center;
  border-radius: 5px;
}

.custom-item {
  border-bottom: none;
  /* Remove the bottom border */
  padding: 10px;
  /* Add some padding for spacing */
  margin-bottom: 10px;
  /* Add some margin between items */
  border-radius: 5px;
  width: 100%;
  max-width: 250px;
  display: flex;
  align-items: center;
  border-radius: 5px;
}

.tuning-item {
  margin-bottom: 20px;
  padding: 12px;
  border: 1px solid #444;
  border-radius: 8px;
}

.tuning-item p {
  color: #e0e0e0;
}

.tuning-notes {
  margin-top: 20px;
  font-size: 1.4rem;
  font-weight: bold;
  color: #10b857;
  text-align: center;
  padding: 10px;
  border-radius: 5px;
  background-color: #1b1b1b;
  display: inline-block;
  margin-bottom: 20px;
}

.tuning-notes span {
  margin-right: 15px; /* Adds spacing between each note */
}

/* Increase icon size */
.play-pause-icon {
  font-size: 1.5rem;
  /* Increase the size of the icons */
  color: #10b857;
  /* Match the green play icon color */
  margin-right: 15px;
  /* Add some space between the icon and the text */
  cursor: pointer;
}

/* Additional styling */
.list-group-item {
  background-color: #1b1b1b;
  /* Dark background for list items */
  color: #e0e0e0;
  /* Light text for contrast */
  display: flex;
  align-items: center;
  /* Align items vertically */
  border-radius: 5px !important;
  /* Slightly rounded corners */
}

/* Center row content and ensure alignment */
.row {
  align-items: center;
  margin-top: 20px;
}

/* Left side guitar image styling */
.guitar-placeholder img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

/* Dropdown styling */
.custom-dropdown {
  background-color: #1b1b1b;
  color: #e0e0e0;
  border: 1px solid #10b857;
  border-radius: 5px;
  padding: 10px;
  width: 100%;
  max-width: 250px;
  margin: 0 auto;
}

.custom-dropdown:focus {
  background-color: #1b1b1b;
  color: #e0e0e0;
  outline: none;
  border: 1px solid #10b857;
}

.custom-dropdown option {
  background-color: #1b1b1b;
  color: #e0e0e0;
  outline: none;
  border: 1px solid #10b857;
}

/* Dropdown container */
.dropdown-container {
  text-align: center;
}

/* Footer styling */
.footer {
  background-color: #0a0a0a;
  color: #ffffff;
  padding: 10px 0;
  text-align: center;
  position: relative;
  width: 100%;
  bottom: 0;
}

.footer a {
  text-decoration: none;
  color: #ffffff;
}

.footer .btn-outline-primary {
  color: #10b857;
  border-color: #10b857;
}

.footer .btn-outline-primary:hover {
  background-color: #10b857;
  color: #ffffff;
}

.btn-outline-primary:hover .play-pause-icon {
  color: #ffffff;
}

.footer .btn-outline-secondary {
  color: #ffffff;
  border-color: #ffffff;
}

.footer .btn-outline-secondary:hover {
  background-color: #ffffff;
  color: #0a0a0a;
}

.footer p {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #ffffff;
}

/* Guitar Strings Layout */
.guitar-strings {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.guitar-strings .list-group-item {
  border-right: 1px solid #444;
}

.guitar-strings .list-group-item:nth-child(3n + 1),
.guitar-strings .list-group-item:nth-child(3n + 2),
.guitar-strings .list-group-item:nth-child(3n + 3) {
  border-right: none;
}

@media (max-width: 768px) {
  #electric-acoustic-strings,
  #bass-strings,
  #ukulele-strings {
    justify-content: center;
  }

  .col-md-6 {
    width: unset;
  }
}