body {
    margin: 0;
    overflow: hidden;
    background: #292b33;
    color: #e6e6e6;
    font: 13px/1.4 -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

a {
    color: #f60;
}

canvas {
    display: block;
}

.overlay {
    position: absolute;
    top: 12px;
    left: 12px;
    max-width: calc(100% - 48px);
    padding: 10px 12px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.6);
}

.overlay h1 {
    margin: 4px 0;
    font-size: 18px;
}

.overlay .info {
    margin-bottom: 8px;
    color: #aaa;
}

.overlay .row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 6px;
}

.overlay .row > a {
    min-width: 120px;
}

.overlay .checkbox {
    display: flex;
    gap: 4px;
    align-items: center;
}

.overlay .checkbox input {
    margin: 0;
    accent-color: #f60;
}

.overlay .errors {
    margin: 8px 0 0;
    color: #ff6b6b;
    white-space: pre-wrap;
}