/* React Mind Map — тот же operational layout, без внешней runtime-библиотеки. */
#tab-mindmap.tab-content {
    width: 100%;
    box-sizing: border-box;
}

.mindmap-react-wrap {
    width: 100%;
    box-sizing: border-box;
    height: 100%;
    min-height: 0;
}

.mindmap-viewport {
    position: relative;
    flex: 1;
    min-height: 420px;
    cursor: grab;
    touch-action: none;
    user-select: none;
    background-color: var(--color-bg-tint, #f6f7fa);
    background-image: radial-gradient(circle, color-mix(in srgb, var(--color-border, #d8dbe5) 70%, transparent) 1px, transparent 1px);
    background-size: 20px 20px;
}

.mindmap-viewport.is-panning { cursor: grabbing; }

.mindmap-canvas {
    position: absolute;
    inset: 0 auto auto 0;
    transform-origin: 0 0;
    will-change: transform;
}

.mindmap-edges {
    position: absolute;
    inset: 0;
    overflow: visible;
    pointer-events: none;
}

.mindmap-edges path {
    fill: none;
    stroke: color-mix(in srgb, var(--color-primary, #4e5180) 62%, var(--color-border, #d8dbe5));
    stroke-width: 2;
    stroke-linecap: round;
}

.mind-node {
    position: absolute;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    box-sizing: border-box;
    padding: 10px 14px;
    border: 1px solid var(--color-border, #d8dbe5);
    border-radius: var(--radius-lg, 10px);
    background: var(--color-surface, #fff);
    color: var(--color-text-strong, #202334);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.08));
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    cursor: pointer;
    outline: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.mind-node:hover {
    border-color: color-mix(in srgb, var(--color-primary, #4e5180) 55%, var(--color-border, #d8dbe5));
}

.mind-node:focus-visible,
.mind-node.is-selected {
    border-color: var(--color-primary, #4e5180);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary, #4e5180) 20%, transparent), var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.08));
}

.mind-node--root {
    border-color: var(--color-primary, #4e5180);
    background: var(--color-primary, #4e5180);
    color: #fff;
    font-size: var(--text-base, 14px);
}

.mind-node--root.is-selected {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary, #4e5180) 28%, transparent), var(--shadow-md, 0 6px 18px rgba(15, 23, 42, 0.14));
}

.mind-node-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-pill, 999px);
    background: color-mix(in srgb, currentColor 12%, transparent);
    font-size: var(--text-xs);
    font-variant-numeric: tabular-nums;
}

.mind-node-input {
    width: 100%;
    min-width: 0;
    border: 0;
    border-bottom: 1px solid currentColor;
    outline: none;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: center;
}

[data-theme="dark"] .mindmap-viewport {
    background-color: var(--color-bg-app, #161826);
    background-image: radial-gradient(circle, rgba(226, 232, 244, 0.12) 1px, transparent 1px);
}

[data-theme="dark"] .mind-node {
    background: var(--color-surface, #202334);
    border-color: var(--color-border, #343852);
    color: var(--color-text, #e8e9f0);
}

[data-theme="dark"] .mind-node--root {
    background: var(--color-primary, #8589c7);
    border-color: var(--color-primary, #8589c7);
    color: #fff;
}

@media (max-width: 768px) {
    #tab-mindmap .schema-v2-wrap {
        padding: var(--space-2);
        height: calc(100dvh - 120px);
    }
    .mindmap-viewport { min-height: 360px; }
    .mindmap-react-wrap .schema-v2-toolbar { align-items: flex-start; }
    .mindmap-react-wrap .schema-v2-status { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .mind-node { transition: none; }
}