/* Prompt and Response Flow - layout and styling
   Fixed-height column: title row, Mermaid diagram, shared infobox panel.
   The height of <main> must equal the CANVAS_HEIGHT comment in
   prompt-response-flow.js. */

html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

main {
    box-sizing: border-box;
    height: 440px;
    display: flex;
    flex-direction: column;
    background-color: aliceblue;
    border: 1px solid silver;
    overflow: hidden;
}

.sim-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 2px 12px;
    padding: 8px 14px 0 14px;
}

.sim-header h1 {
    margin: 0;
    font-size: 22px;
    font-weight: normal;
    color: #111;
}

.hint {
    margin: 0;
    font-size: 15px;
    color: #475569;
}

/* Mermaid diagram: scales down with the container, never taller than 215px */
.diagram {
    flex: 0 0 auto;
    padding: 6px 10px 8px 10px;
    text-align: center;
}

.diagram svg {
    max-height: 215px;
}

/* Clickable nodes */
.diagram .node {
    cursor: pointer;
}

.diagram .node:hover rect,
.diagram .node:hover polygon {
    filter: brightness(1.08);
}

.diagram .node:focus {
    outline: none;
}

/* The selected node gets a dark halo. (Mermaid writes each node's own stroke
   as an inline !important style, so the highlight is a filter, not a stroke.) */
.diagram .node.selected,
.diagram .node:focus-visible {
    filter: drop-shadow(0 0 1px #111) drop-shadow(0 0 3px #111);
}

/* Shared infobox panel below the diagram */
.infobox {
    flex: 1 1 auto;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 10px 14px;
    background-color: white;
    border-top: 1px solid silver;
    font-size: 15px;
    line-height: 1.4;
    color: #1f2937;
    overflow: hidden;
}

.info-text {
    flex: 1 1 55%;
    min-width: 0;
}

.info-text h2 {
    margin: 0 0 4px 0;
    font-size: 18px;
    color: #00695c;
}

.info-text p {
    margin: 0 0 6px 0;
}

.info-text .label {
    font-weight: bold;
}

/* System prompt versus user prompt comparison */
.compare {
    flex: 1 1 45%;
    min-width: 0;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.3;
}

.compare caption {
    caption-side: top;
    text-align: left;
    font-weight: bold;
    padding-bottom: 4px;
}

.compare th,
.compare td {
    border: 1px solid #cbd5e1;
    padding: 4px 6px;
    text-align: left;
    vertical-align: top;
}

.compare thead th {
    background-color: #e2e8f0;
}

.compare .col-system.active {
    background-color: #1565c0;
    color: white;
}

.compare .col-user.active {
    background-color: #bbdefb;
}

/* Narrow iframes: stack the text above the comparison */
@media (max-width: 620px) {
    .sim-header h1 {
        font-size: 19px;
    }
    .hint {
        font-size: 13px;
    }
    .infobox {
        flex-direction: column;
        gap: 6px;
        font-size: 13px;
        line-height: 1.3;
        padding: 8px 10px;
    }
    .info-text h2 {
        font-size: 16px;
    }
    .info-text,
    .compare {
        flex: 0 0 auto;
    }
    .compare {
        font-size: 12px;
    }
}