/* Custom styles for a professional look */
body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
}
.tooltip {
    position: absolute;
    text-align: left;
    padding: 8px;
    font-size: 12px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.axis-label {
    font-size: 0.8rem;
    fill: #333;
}
.domain, .tick line {
    stroke: #999;
}
.tick text {
    fill: #333;
    font-size: 0.75rem;
}
.channel-text {
    font-size: 10px;
    fill: white;
    font-weight: bold;
    pointer-events: none; /* Make sure text doesn't block mouse events on the shape */
    text-shadow: 0 0 2px rgba(0,0,0,0.7);
}
.grid-line {
    stroke: lightgray;
    stroke-dasharray: 3,3;
}
.end-line {
    stroke: gray;
    stroke-width: 1.5;
}
.grid-label {
    font-size: 10px;
    fill: #555;
    text-anchor: middle;
}

svg {
    transition: transform 0.3s ease;
}

.config-row {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.moving-up {
    transform: translateY(-50px);
    opacity: 0;
}

.moving-down {
    transform: translateY(50px);
    opacity: 0;
}