.app {
  display: grid;
  grid-template-columns: 1fr; /* one column → items stack vertically */
  gap: 10px;
}

.info-grid {
  display: grid;
  grid-template-columns: minmax(0, 350px) 1fr;
  gap: 20px; /* spacing between columns */
}

.panel-input {
    border-radius: 5px;
    border: solid 2px;
    border-color: #ccc;
    padding: 10px;
}

.panel-output {
    border-radius: 5px;
    border: solid 2px;
    border-color: #ccc;
    padding: 10px;
}

.form-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.app label {
    width: 160px;
    font-size: 13px;
}

.input-group,
.outputs {
    width: 100%;
}

.input-group label {
    display: block;
    margin: 5px 0px 5px;
    font-weight: bold;
}

.input-group input {
    width: 100px;
    padding: 2px;
    margin-bottom: 5px;
    border: solid 2px;
    border-radius: 5px;
    border-color: #ccc;
}

.app button {
    padding: 4px 20px;
    width: 150px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.outputs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
}

.out {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    padding: 5px;
    border-radius: 10px
}

.out .title {
    font-size: 12px;
}

.out .val {
    font-size: 16px;
    margin-top: 6px
}

.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 6px;
    border-radius: 4px;
    pointer-events: none;
    font-size: 12px;
    opacity: 0;
}

.tooltip_bode {
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 6px;
    border-radius: 4px;
    pointer-events: none;
    font-size: 12px;
    opacity: 0;
}

.tooltip_ac {
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 6px;
    border-radius: 4px;
    pointer-events: none;
    font-size: 12px;
    opacity: 0;
}

.chart-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.axis-label {
    font-size: 16px;
    fill: #333;
}

.grid line {
    stroke: #e6e6e6;
    stroke-width: 1;
    shape-rendering: crispEdges;
}

.legend {
    font-size: 16px;
    text-align: center;
    margin-bottom: 10px;
}

.legend-item {
    display: inline-block;
    margin: 0 10px;
}

.legend-swatch {
    width: 12px;
    height: 2px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

.notes
{   
    margin-top: 5px;
    font-size: 12px;
}

@media (max-width:900px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}