body {
    font-family: monospace;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
    background-color: #f5f5f5;
}

h1 {
    margin-bottom: 13px;
    color: #373737;
}

.instructions {
    margin-bottom: 40px;
}

.instructions p {
    line-height: 0.5;
}


#grid {
    margin: 0 auto;
    border-collapse: collapse;
}

#grid td {
    width: 30px;
    height: 30px;
    border: 1px solid #000;
    cursor: pointer;
}

/* Darker shade of grey for 2nd and 4th beat */
#grid td:nth-child(-n+9),
#grid td:nth-child(n+18):nth-child(-n+25)
{
    background-color: #c7c7c7;
}

#grid td.darkened::before {
    content: "";
    display: block;
    position: absolute;
    top: 0px;       
    right: 0px;   
    bottom: 0px;
    left: 0px;
    /* Black overlay with 30% opacity */
    background-color: rgba(0, 0, 0, 0.3);
    /* Makes sure you can still interact with the cell beneath */
    pointer-events: none; 
    z-index: 1;
}

#grid td {
    position: relative;
}

#grid .activated {
    background-color: #606060 !important;
}

#grid .deactivated {
    background-color: #E9E9E9;
}

#grid .row-title {
    font-weight: lighter;
    text-align: left;
    padding: 20px; 
    background-color: #f5f5f5; 
}

#grid th {
    padding-right: 20px; 
    font-weight: normal;
}

.button {
    border-radius: 3px;
    border: 1px solid transparent;
    background-color: #e4e4e4;
    font-family: monospace;
    border-color: #000;
}

.clear-div {
    margin-bottom: 25px;
}

#emptyMessage {
    display: none;
    margin-top: 10px;
    font-style: italic;
}

.generation-div {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
    margin-bottom: 5px;
}

.checkbox-div {
    display: flex;
    align-items: center; 
    justify-content: center;
    gap: 8px;
}

.checkbox {
    margin: 0px;
    margin-right: 0px;
    vertical-align: middle; 
}

.button:hover{
    background-color: #d4d4d4;
}

.button:active{
    outline: none;
    background: transparent;
    border: 1px solid rgb(0, 0, 0);
}

#generate:disabled {
    background-color: #d4d4d4;
    color: #888;
    border: 1px solid #aaa;
    cursor: not-allowed;
}

#generate:disabled:hover {
    background-color: #d4d4d4;
    color: #888;
    border: 1px solid #aaa;
}

#grid .label-row {
    text-align: center;
    font-weight: bold;  
    background-color: #f5f5f5; 
}

/*Drums*/
#midivisualizer svg rect.note[data-is-drum="true"]{
    fill: #b19b85;
}

/*Bass*/
#midivisualizer svg rect.note[data-instrument="1"]{
    fill: #A5A1A0;
}

/*Piano*/
#midivisualizer svg rect.note[data-instrument="2"]{
    fill: #a4a893;
}

/*Strings*/
#midivisualizer svg rect.note[data-instrument="3"]{
    fill: #8e9aa2;
}

#midivisualizer svg rect.note.active {
    fill:rgb(61, 61, 61);
}

#midiplayer {
    margin-top: 10px;
}

.icon-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.info, .github, .paper {
    display: inline-block;
    position: relative;
    cursor: pointer;
}

.fa-square-github, .fa-file-lines, .fa-circle-info {
    transition: color 0.3s;
    cursor: pointer;
    font-size: 20px;
    color: #373737;
}

.fa-file-lines {
    font-size: 18.5px;
}

.fa-circle-info {
    font-size: 19.5px;
    animation: pulse 1s ease-in-out 6;
}

@keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.3);
    }
    100% {
      transform: scale(1);
    }
  }

.fa-square-github:hover, .fa-file-lines:hover, .fa-circle-info:hover {
    color: #676767;
}

.info-text {
    display: none;
    position: absolute;
    top: 150%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: white;
    padding: 20px;
    border-radius: 5px;
    white-space: normal;  
    z-index: 10;
    margin-bottom: 5px;
    width: 600px;
    word-wrap: break-word;
    text-align: left;
}

.info-text::before {
    content: ''; 
    position: absolute; 
    top: -5px; 
    left: 50%; 
    transform: translateX(-50%); 
    width: 0;
    height: 0;
    border-left: 10px solid transparent; 
    border-right: 10px solid transparent; 
    border-bottom: 10px solid #333; 
  }
  

.info:hover .info-text, .fa-circle-info:hover + .info-text {
    display: block;
}

.info-text li {
    margin-bottom: 10px;
}

.table-container {
    overflow-x: auto;
}