.graph-view {
    flex: 1;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.bg-layer rect {
    fill: #f5f5f5;
    stroke: #bbb;
    stroke-width: 1;
    stroke-dasharray: 6 3;
}

.link {
    stroke: #444;
    stroke-width: 1.5;
}

.node-cell {
    /* Opaque, not alpha-blended: an edge occasionally settles behind a
       node in the force layout, and it must stay fully hidden rather
       than show through the fill. */
    fill: #eaf2fb;
    stroke: #2a78d6;
    stroke-width: 1.5;
    cursor: grab;
}

.node-relationship {
    fill: #fdf0eb;
    stroke: #eb6834;
    stroke-width: 1.5;
    cursor: grab;
}

.node-label {
    font-family: monospace;
    font-size: 11px;
    font-weight: bold;
    text-anchor: middle;
    fill: #333;
    pointer-events: none;
    user-select: none;
}

.node-value {
    font-family: monospace;
    font-size: 10px;
    text-anchor: middle;
    fill: #666;
    pointer-events: none;
    user-select: none;
}

.node-conditional {
    fill: #e8f7f2;
    stroke: #1baf7a;
    stroke-width: 1.5;
    cursor: grab;
}

.link-control {
    stroke: #444;
    stroke-width: 1.5;
    fill: none;
}

.node-cell.forced {
    stroke: #8e44ad;
    stroke-width: 3;
}

.link.forced-edge {
    stroke: #8e44ad;
    stroke-width: 3;
}

.node-relationship.forced {
    stroke: #8e44ad;
    stroke-width: 3;
}

.node-cell.dragging,
.node-relationship.dragging,
.node-conditional.dragging {
    cursor: grabbing;
}

.graph-legend {
    position: absolute;
    bottom: 8px;
    left: 8px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e1e0d9;
    border-radius: 4px;
    padding: 8px 10px;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 11px;
    color: #333;
    max-width: 220px;
}

.graph-legend-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.graph-legend-row:last-child {
    margin-bottom: 0;
}

/* Fixed-width column every row's icon sits in, whatever the icon's own
   size - the widest icon (a 22px-wide edge glyph) sets the column width,
   so text after it always starts at the same x position. */
.graph-legend-icon {
    flex: none;
    width: 22px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graph-legend-shape {
    width: 14px;
    height: 14px;
    box-sizing: border-box;
}

.graph-legend-shape.cell {
    background: #eaf2fb;
    border: 1.5px solid #2a78d6;
    border-radius: 2px;
}

.graph-legend-shape.relationship {
    background: #fdf0eb;
    border: 1.5px solid #eb6834;
    border-radius: 50%;
}

.graph-legend-shape.conditional {
    width: 10px;
    height: 10px;
    background: #e8f7f2;
    border: 1.5px solid #1baf7a;
    transform: rotate(45deg);
}

.graph-legend-shape.forced {
    background: #fff;
    border: 2px solid #8e44ad;
    border-radius: 2px;
}

.graph-legend-shape.inactive {
    background: #fff;
    border: 1.5px solid #ccc;
    border-radius: 50%;
}