table {
  border-collapse: collapse;
}
table, th, td {
  border: 1px solid black;
  background: white;
  font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
}
body {
  margin: 0;
  font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
}

.instruments input, .instruments select {
    width: 100%;
}
.instruments input[type=checkbox] {
    width: unset;
    float: right;
    margin: 0;
}
.instruments tr th {
    background-color: #a0a0ff;
}

.sequence {
    overflow: auto;
    /* height: fit-content; */
    width: fit-content;
    max-width: 100%;
    max-height: 100%;
}
.sequence table {
    border: none;
    width: 100px;
}
.sequence tr th {
    background-color: #a0a0ff;
    border-style: none;
}
.sequence tr td {
    background-color: #80c0ff;
    border-style: none;
    width: 50%;
}
.sequence tr:nth-child(2n+2) td {
    background-color: #70b0f0;
}
.sequence tr.highlight td {
    background-color: #c0c0ff;
}
.sequence tr.active td {
    background-color: #e0e0ff;
}
.sequence tr.new td {
    text-align: center;
}

.tracker {
    overflow: auto;
    /* height: fit-content; */
    width: fit-content;
    max-width: 100%;
    max-height: 100%;
    position: relative;
}
.tracker .muted {
    color: red;
    text-decoration: line-through;
}
.tracker table {
    border: none;
}
.tracker tr th {
    background-color: #a0a0ff;
}
.tracker tr td {
    background-color: #80c0ff;
    padding: 0 5;
    border-style: none;
    border-right-style: solid;
    border-right-color: #808080;
}
.tracker span {
    padding: 0 5;
    user-select: none;
}
.tracker tr:nth-child(4n+2) td {
    background-color: #70b0f0;
}
.tracker tr:nth-child(16n+2) td {
    background-color: #60a0e0;
}
.tracker .highlight {
    background-color: #60a0c0;
}
.tracker .active {
    background-color: #608080;
}
.effectpopup {
    position: absolute;
    background: white;
    left: 5;
    right: 5;
    padding: 5px;
    border: solid 1px;
    display: none;
    text-align: center;
}
.effectpopup input {
    display: block;
    margin: 0 auto;
}

.controls button {
    display: block;
}
.controls input {
    display: block;
}

.container {
    display: grid;
    grid-template-columns: repeat(4, max-content);
    grid-template-rows: auto;
    grid-gap: 10px;
    height: 100%;
}
.instruments {
    grid-column: 1;
    grid-row: 1;
}
.sequence {
    grid-column: 2;
    grid-row: 1;
}
.tracker {
    grid-column: 3;
    grid-row: 1;
}
.controls {
    grid-column: 4;
    grid-row: 1;
}