/* Chart Configuration Anatomy Explorer - layout for a fixed-height iframe (660 px) */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: white;
}

.app {
    box-sizing: border-box;
    height: 660px;
    padding: 8px 10px 10px 10px;
    background: aliceblue;
    border: 1px solid silver;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

h1 {
    font-size: 20px;
    margin: 0;
}

.panels {
    display: flex;
    gap: 10px;
    flex: 1 1 auto;
    min-height: 0;
}

/* Left panel: the configuration as color-coded blocks */
.config-panel {
    flex: 0 0 48%;
    box-sizing: border-box;
    background: white;
    border: 1px solid silver;
    border-radius: 8px;
    padding: 6px 8px;
    overflow: auto;
    font-family: Menlo, Consolas, "Courier New", monospace;
    font-size: 12.5px;
    line-height: 1.35;
}

.code-line {
    color: dimgray;
    padding: 1px 4px;
}

.block {
    position: relative;
    border: 2px solid;
    border-radius: 6px;
    margin: 3px 0;
    padding: 3px 6px;
    cursor: default;
    transition: box-shadow 0.15s;
}

.block pre {
    margin: 0;
    font-family: inherit;
    white-space: normal;
}

.block .ln {
    white-space: pre-wrap;
    word-break: break-word;
}

.block .tag {
    position: absolute;
    top: 2px;
    right: 4px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: bold;
    color: white;
    padding: 1px 6px;
    border-radius: 8px;
}

.type-block { background: lavender; border-color: slateblue; }
.type-block .tag { background: slateblue; }
.data-block { background: honeydew; border-color: seagreen; }
.data-block .tag { background: seagreen; }
.options-block { background: oldlace; border-color: darkorange; }
.options-block .tag { background: chocolate; }

.block:hover, .block:focus, .block.lit {
    box-shadow: 0 0 0 3px gold;
    outline: none;
}

/* Brief flash when a control rewrites a block */
.block.changed {
    animation: flash 0.9s ease-out;
}

@keyframes flash {
    0% { box-shadow: 0 0 0 6px gold; }
    100% { box-shadow: 0 0 0 0 gold; }
}

/* Token colors in the code */
.k { color: black; font-weight: bold; }
.s { color: firebrick; }
.n { color: mediumblue; }
.b { color: purple; font-weight: bold; }
.c { color: gray; font-style: italic; }

/* Right panel: the chart */
.chart-panel {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: white;
    border: 1px solid silver;
    border-radius: 8px;
    padding: 8px;
}

.chart-box {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
}

.caption {
    flex: 0 0 auto;
    min-height: 58px;
    font-size: 14px;
    line-height: 1.35;
    color: #333;
    border-top: 1px solid gainsboro;
    padding-top: 5px;
    margin-top: 4px;
}

.caption.warn {
    color: firebrick;
}

.caption code {
    font-family: Menlo, Consolas, "Courier New", monospace;
    font-size: 13px;
    background: whitesmoke;
    padding: 0 2px;
}

/* Controls */
.controls {
    flex: 0 0 auto;
    background: white;
    border: 1px solid silver;
    border-radius: 8px;
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 15px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
}

.row label {
    white-space: nowrap;
}

.row select, .row button {
    font-size: 15px;
}

.value-input {
    width: 3.1em;
    font-size: 15px;
}

/* Narrow screens: the panels stack and the code panel scrolls */
@media (max-width: 599px) {
    .panels { flex-direction: column; }
    .config-panel { flex: 0 0 150px; font-size: 12px; }
    .chart-box { min-height: 150px; }
    .caption { min-height: 40px; font-size: 13px; }
    .controls { gap: 4px; font-size: 14px; }
    .row { gap: 4px 10px; }
    .row select, .row button, .value-input { font-size: 14px; }
    .value-input { width: 3em; }
}