body { min-height: 100vh; }
.page-body { min-height: calc(100vh - 9rem); }
.catalog-actions { white-space: nowrap; width: 1%; }
.catalog-form { max-width: 42rem; }
.empty-message { padding: 3rem 1rem; text-align: center; color: var(--tblr-secondary); }
.vehicle-thumbnail { width: 64px; height: 40px; object-fit: contain; border-radius: var(--tblr-border-radius); background: var(--tblr-bg-surface-secondary); }
.validation-summary-valid, .field-validation-valid { display: none; }
.field-validation-error { display: block; margin-top: .25rem; color: var(--tblr-danger); font-size: .875rem; }
.rank-quota-input { max-width: 9rem; }

.visual-tree-workspace { --visual-tree-column-step: 280px; --visual-tree-row-step: 204px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: start; }
.visual-tree-workspace.is-editing, .visual-tree-workspace.is-edge-creating { grid-template-columns: minmax(0, 1fr) 22rem; }
.visual-tree-workspace.is-inspecting { grid-template-columns: minmax(0, 1fr) 22rem; }
.visual-tree-main { min-width: 0; }
.visual-tree-sidebar { display: none; position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; }
.visual-tree-workspace.is-editing .visual-tree-sidebar, .visual-tree-workspace.is-edge-creating .visual-tree-sidebar { display: block; }
.visual-tree-workspace.is-inspecting .visual-tree-sidebar { display: block; }
.visual-tree-workspace.is-edge-creating [data-tree-entry-editor] { display: none; }
.visual-tree-edit-toggle { padding-right: .75rem; border-right: var(--tblr-border-width) solid var(--tblr-border-color); }
.visual-tree-card { overflow: hidden; }
.visual-tree-controls .btn { min-width: 2.25rem; }
.visual-tree-zoom-label { min-width: 3.5rem; text-align: center; font-variant-numeric: tabular-nums; }
.visual-tree-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; border-bottom: var(--tblr-border-width) solid var(--tblr-border-color); }
.visual-tree-legend > span { display: inline-flex; align-items: center; gap: .4rem; }
.visual-tree-layout-toolbar { display: none; flex-wrap: wrap; align-items: center; gap: .55rem; border-bottom: var(--tblr-border-width) solid var(--tblr-border-color); background: color-mix(in srgb, var(--tblr-primary) 5%, var(--tblr-bg-surface)); }
.visual-tree-workspace.is-editing .visual-tree-layout-toolbar { display: flex; }
.visual-tree-legend-line { display: inline-block; width: 2rem; height: 0; border-top: 3px solid #74c0fc; }
.visual-tree-legend-line-prerequisite { position: relative; }
.visual-tree-legend-line-prerequisite::after { content: ""; position: absolute; right: -.1rem; top: -.35rem; border-width: .28rem 0 .28rem .45rem; border-style: solid; border-color: transparent transparent transparent #74c0fc; }
.visual-tree-legend-line-folder { border-top-color: #ffd43b; border-top-style: dashed; }
.visual-tree-viewport { height: min(68vh, 48rem); min-height: 32rem; overflow: auto; overscroll-behavior: contain; cursor: grab; background-color: var(--tblr-bg-surface-secondary); background-image: radial-gradient(circle, rgba(98, 105, 118, .18) 1px, transparent 1px); background-size: 20px 20px; }
.visual-tree-workspace.is-edge-creating .visual-tree-viewport { cursor: crosshair; background-color: color-mix(in srgb, var(--tblr-bg-surface-secondary) 88%, #206bc4 12%); }
.visual-tree-viewport.is-panning { cursor: grabbing; user-select: none; }
.visual-tree-surface { position: relative; min-width: 100%; min-height: 100%; }
.visual-tree-stage { position: relative; transform-origin: 0 0; padding: 1rem; }
.visual-tree-connectors { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 1; }
.visual-tree-edge { fill: none; vector-effect: non-scaling-stroke; }
.visual-tree-edge-prerequisite { stroke: #74c0fc; stroke-width: 3.5; marker-end: url(#visual-tree-arrow); filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .7)); }
.visual-tree-edge-folder { stroke: #ffd43b; stroke-width: 3; stroke-dasharray: 8 6; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .75)); }
.visual-tree-edge-prerequisite.is-selected { stroke: #1c7ed6; stroke-width: 6; filter: drop-shadow(0 0 5px rgba(28, 126, 214, .85)); }
.visual-tree-edge-prerequisite.is-pending { stroke: #74c0fc; stroke-width: 4; stroke-dasharray: 10 7; opacity: .9; animation: visual-tree-pending-edge 1.1s ease-in-out infinite alternate; }
.visual-tree-edge-hit { fill: none; stroke: transparent; stroke-width: 18; pointer-events: none; vector-effect: non-scaling-stroke; }
.visual-tree-workspace.is-edge-creating .visual-tree-edge-hit { pointer-events: stroke; cursor: pointer; }
.visual-tree-arrowhead { fill: #74c0fc; }
.visual-tree-rank { position: relative; display: grid; grid-template-columns: 11.5rem 1fr; gap: 1.5rem; padding: 2rem 1.25rem 2.75rem; border-bottom: 4px solid color-mix(in srgb, var(--tblr-primary) 42%, var(--tblr-border-color)); }
.visual-tree-rank-band-even { background: color-mix(in srgb, var(--tblr-bg-surface) 82%, var(--tblr-primary) 18%); }
.visual-tree-rank-band-odd { background: color-mix(in srgb, var(--tblr-bg-surface-secondary) 92%, #ffffff 8%); }
.visual-tree-rank:last-of-type { border-bottom-color: color-mix(in srgb, var(--tblr-primary) 22%, var(--tblr-border-color)); }
.visual-tree-rank-header { position: sticky; left: 1.25rem; align-self: start; z-index: 4; display: flex; flex-direction: column; gap: .35rem; padding: .85rem .9rem 1rem; border: 1px solid color-mix(in srgb, var(--tblr-primary) 45%, var(--tblr-border-color)); border-left: 5px solid var(--tblr-primary); border-radius: .35rem; background: color-mix(in srgb, var(--tblr-bg-surface) 92%, var(--tblr-primary) 8%); box-shadow: 0 .25rem .8rem rgba(0, 0, 0, .28); }
.visual-tree-rank-kicker { color: var(--tblr-secondary); font-size: .65rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.visual-tree-rank-number { font-size: 1rem; font-weight: 600; letter-spacing: .035em; text-transform: uppercase; }
.visual-tree-rank-number strong { display: block; margin-top: -.1rem; color: var(--tblr-body-color); font-size: 2rem; line-height: 1.05; }
.visual-tree-rank-quota { padding-top: .45rem; border-top: 1px solid var(--tblr-border-color); color: var(--tblr-secondary); font-size: .72rem; line-height: 1.35; }
.visual-tree-rank-grid { position: relative; min-height: inherit; }
.visual-tree-workspace.is-editing .visual-tree-rank-grid { background-image: linear-gradient(to right, color-mix(in srgb, var(--tblr-primary) 18%, transparent) 1px, transparent 1px), linear-gradient(to bottom, color-mix(in srgb, var(--tblr-primary) 18%, transparent) 1px, transparent 1px); background-size: var(--visual-tree-column-step) var(--visual-tree-row-step); background-position: 0 0; }
.visual-tree-workspace.is-editing .visual-tree-rank-grid::after { content: "Logical placement grid"; position: absolute; top: .35rem; right: .5rem; z-index: 2; padding: .15rem .4rem; border-radius: var(--tblr-border-radius); color: var(--tblr-secondary); font-size: .7rem; background: color-mix(in srgb, var(--tblr-bg-surface) 84%, transparent); pointer-events: none; }
.visual-tree-empty-rank { padding: 1rem; color: var(--tblr-secondary); font-style: italic; }
.visual-tree-cell { display: none; position: absolute; left: calc(var(--tree-column) * var(--visual-tree-column-step)); top: calc(var(--tree-row) * var(--visual-tree-row-step)); z-index: 0; width: 13rem; height: 9.25rem; border: 1px dashed color-mix(in srgb, var(--tblr-primary) 40%, transparent); border-radius: .45rem; background: color-mix(in srgb, var(--tblr-primary) 6%, transparent); pointer-events: none; }
.visual-tree-workspace.is-editing .visual-tree-cell { display: block; }
.visual-tree-cell.is-folder-cell { border-color: color-mix(in srgb, #f59f00 55%, transparent); background: color-mix(in srgb, #f59f00 8%, transparent); }
.visual-tree-cell.is-collision { border: 3px solid var(--tblr-danger); background: color-mix(in srgb, var(--tblr-danger) 18%, transparent); }
.visual-tree-placement-preview { position: absolute; z-index: 19; width: 13rem; height: 9.25rem; border: 3px dashed var(--tblr-primary); border-radius: .45rem; background: color-mix(in srgb, var(--tblr-primary) 15%, transparent); pointer-events: none; }
.visual-tree-node { --tree-column: 0; --tree-row: 0; --tree-stack: 0; --visual-tree-acquisition-accent: var(--tblr-primary); position: absolute; left: calc((var(--tree-column) * var(--visual-tree-column-step)) + (var(--tree-stack) * 14px)); top: calc((var(--tree-row) * var(--visual-tree-row-step)) + (var(--tree-stack) * 12px)); z-index: calc(3 + var(--tree-stack)); width: 13rem; min-height: 9.25rem; overflow: hidden; border: var(--tblr-border-width) solid color-mix(in srgb, var(--visual-tree-acquisition-accent) 38%, var(--tblr-border-color)); border-top: 3px solid var(--visual-tree-acquisition-accent); border-radius: .45rem; background: var(--tblr-bg-surface); box-shadow: inset 4px 0 var(--visual-tree-acquisition-accent), 0 .25rem .7rem rgba(0, 0, 0, .24); }
.visual-tree-node-acquisition-researchable { --visual-tree-acquisition-accent: #74c0fc; }
.visual-tree-node-acquisition-premium { --visual-tree-acquisition-accent: #fcc419; }
.visual-tree-node-acquisition-squadron { --visual-tree-acquisition-accent: #51cf66; }
.visual-tree-node-acquisition-event { --visual-tree-acquisition-accent: #4dabf7; }
.visual-tree-node-acquisition-pack { --visual-tree-acquisition-accent: #cc5de8; }
.visual-tree-node-acquisition-hidden { --visual-tree-acquisition-accent: #868e96; border-top-style: dashed; }
.visual-tree-workspace.is-editing .visual-tree-node { cursor: grab; touch-action: none; }
.visual-tree-workspace:not([data-can-edit="true"]) .visual-tree-node { cursor: pointer; }
.visual-tree-workspace.is-editing .visual-tree-node:hover { outline: 2px solid color-mix(in srgb, var(--tblr-primary) 50%, transparent); outline-offset: 2px; }
.visual-tree-workspace.is-edge-creating .visual-tree-node { cursor: crosshair; }
.visual-tree-workspace.is-edge-creating .visual-tree-node:hover { outline: 2px solid #74c0fc; outline-offset: 2px; }
.visual-tree-node.is-selected { z-index: 20; outline: 3px solid var(--tblr-primary); outline-offset: 3px; box-shadow: 0 .35rem 1rem rgba(32, 107, 196, .3); }
.visual-tree-node.is-multi-selected { z-index: 19; outline: 3px solid #20c997; outline-offset: 3px; box-shadow: 0 .35rem 1rem rgba(32, 201, 151, .28); }
.visual-tree-node.is-coordinate-collision { outline-color: var(--tblr-danger); box-shadow: 0 0 0 5px color-mix(in srgb, var(--tblr-danger) 35%, transparent); }
.visual-tree-node.is-folder-related { box-shadow: 0 0 0 4px color-mix(in srgb, #f59f00 45%, transparent), 0 .35rem 1rem rgba(245, 159, 0, .28); }
.visual-tree-node.is-edge-dependent { z-index: 20; outline: 3px solid #ae3ec9; outline-offset: 3px; box-shadow: 0 .35rem 1rem rgba(174, 62, 201, .3); }
.visual-tree-node.is-edge-prerequisite { z-index: 20; outline: 3px solid #1c7ed6; outline-offset: 3px; box-shadow: 0 .35rem 1rem rgba(28, 126, 214, .3); }
.visual-tree-node.is-dragging { cursor: grabbing; opacity: .9; }
.visual-tree-node-folder-parent { border-top-color: #f59f00; }
.visual-tree-node-folder-child { border-style: dashed; border-color: #f59f00; background: color-mix(in srgb, var(--tblr-bg-surface) 92%, #f59f00 8%); }
.visual-tree-node.is-folder-hidden { display: none !important; }
.visual-tree-node.is-folder-collapsed {
    box-shadow:
        inset 4px 0 var(--visual-tree-acquisition-accent),
        3px -3px 0 -1px color-mix(in srgb, var(--tblr-bg-surface) 85%, #000),
        3px -3px 0 0 color-mix(in srgb, var(--visual-tree-acquisition-accent) 40%, var(--tblr-border-color)),
        6px -6px 0 -2px color-mix(in srgb, var(--tblr-bg-surface) 75%, #000),
        6px -6px 0 -1px color-mix(in srgb, var(--visual-tree-acquisition-accent) 30%, var(--tblr-border-color)),
        0 .35rem 1rem rgba(0, 0, 0, .32);
}
.visual-tree-folder-toggle {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .15rem .45rem;
    font-size: .68rem;
    font-weight: 700;
    border-radius: var(--tblr-border-radius);
    border: 1px solid color-mix(in srgb, #f59f00 45%, var(--tblr-border-color));
    background: color-mix(in srgb, #f59f00 12%, var(--tblr-bg-surface));
    color: #f59f00;
    cursor: pointer;
    line-height: 1.2;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
    user-select: none;
}
.visual-tree-folder-toggle:hover,
.visual-tree-folder-toggle:focus-visible {
    background: color-mix(in srgb, #f59f00 24%, var(--tblr-bg-surface));
    border-color: #f59f00;
    color: #d97706;
    outline: none;
}
.visual-tree-folder-toggle .visual-tree-folder-chevron {
    font-size: .65rem;
    transition: transform .2s ease;
}
.visual-tree-node-image { display: flex; align-items: center; justify-content: center; height: 4rem; overflow: hidden; color: var(--tblr-secondary); font-size: .75rem; background: var(--tblr-bg-surface-secondary); }
.visual-tree-node-image img { width: 100%; height: 100%; object-fit: contain; }
.visual-tree-node-body { padding: .55rem .7rem .65rem .8rem; }
.visual-tree-node-name { overflow: hidden; margin-bottom: .35rem; font-size: .9rem; font-weight: 700; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.visual-tree-node-meta { display: flex; align-items: center; justify-content: space-between; gap: .4rem; margin-bottom: .45rem; color: var(--tblr-secondary); font-size: .68rem; font-weight: 600; text-transform: uppercase; }
.visual-tree-acquisition-badge { display: inline-flex; align-items: center; padding: .16rem .42rem; border: 1px solid currentColor; border-radius: 999px; font-size: .62rem; font-weight: 700; letter-spacing: .025em; line-height: 1.2; }
.visual-tree-acquisition-researchable { color: #74c0fc; background: color-mix(in srgb, #74c0fc 12%, transparent); }
.visual-tree-acquisition-premium { color: #fcc419; background: color-mix(in srgb, #fcc419 14%, transparent); }
.visual-tree-acquisition-squadron { color: #51cf66; background: color-mix(in srgb, #51cf66 13%, transparent); }
.visual-tree-acquisition-event { color: #4dabf7; background: color-mix(in srgb, #4dabf7 13%, transparent); }
.visual-tree-acquisition-pack { color: #cc5de8; background: color-mix(in srgb, #cc5de8 13%, transparent); }
.visual-tree-acquisition-hidden { border-style: dashed; color: #adb5bd; background: color-mix(in srgb, #868e96 12%, transparent); }
.visual-tree-node-costs { display: flex; justify-content: space-between; gap: .5rem; padding-top: .4rem; border-top: 1px solid color-mix(in srgb, var(--tblr-border-color) 76%, transparent); color: var(--tblr-body-color); font-size: .72rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.visual-tree-node-badges { display: flex; flex-wrap: wrap; gap: .25rem; margin-top: .45rem; }
.visual-tree-node-coordinate { display: none; position: absolute; top: .35rem; right: .35rem; padding: .15rem .4rem; border: 1px solid color-mix(in srgb, var(--tblr-primary) 45%, transparent); border-radius: 999px; color: var(--tblr-primary); font-size: .68rem; font-weight: 700; font-variant-numeric: tabular-nums; background: color-mix(in srgb, var(--tblr-bg-surface) 92%, transparent); box-shadow: 0 .1rem .3rem rgba(35, 46, 60, .18); pointer-events: none; }
.visual-tree-workspace.is-editing .visual-tree-node-coordinate { display: inline-flex; }
.visual-tree-coordinate-indicator { padding: .45rem .65rem; border: 1px solid color-mix(in srgb, var(--tblr-primary) 32%, var(--tblr-border-color)); border-radius: var(--tblr-border-radius); color: var(--tblr-primary); font-weight: 700; font-variant-numeric: tabular-nums; text-align: center; background: color-mix(in srgb, var(--tblr-primary) 8%, var(--tblr-bg-surface)); }
.visual-tree-inspector-header { gap: .75rem; }
.visual-tree-inspector-section { padding: .85rem; border: var(--tblr-border-width) solid var(--tblr-border-color); border-radius: var(--tblr-border-radius); background: var(--tblr-bg-surface); }
.visual-tree-inspector-section[data-inspector-identity] { background: var(--tblr-bg-surface-secondary); }
.visual-tree-inspector-section-title { margin: 0 0 .75rem; color: var(--tblr-secondary); font-size: .72rem; font-weight: 700; letter-spacing: .045em; text-transform: uppercase; }
.visual-tree-unsaved { margin-bottom: .75rem; }
[data-tree-inspector].is-dirty { box-shadow: 0 0 0 2px color-mix(in srgb, var(--tblr-warning) 60%, transparent); }
.visual-tree-identity { display: grid; grid-template-columns: 4.5rem 1fr; gap: .75rem; align-items: center; min-width: 0; }
.visual-tree-inspector-image { display: flex; align-items: center; justify-content: center; width: 4.5rem; height: 3rem; overflow: hidden; border-radius: var(--tblr-border-radius); background: var(--tblr-bg-surface-secondary); }
.visual-tree-inspector-image img { width: 100%; height: 100%; object-fit: contain; }
.visual-tree-identity code { overflow-wrap: anywhere; }

body.visual-tree-focus-active { overflow: hidden; }
.visual-tree-workspace.is-focus-mode {
    position: fixed;
    inset: 0;
    z-index: 1055;
    height: 100dvh;
    padding: 1rem;
    overflow: hidden;
    background: var(--tblr-body-bg);
}
.visual-tree-workspace.is-focus-mode .visual-tree-main,
.visual-tree-workspace.is-focus-mode .visual-tree-card { height: calc(100dvh - 2rem); min-height: 0; }
.visual-tree-workspace.is-focus-mode .visual-tree-card { display: flex; flex-direction: column; }
.visual-tree-workspace.is-focus-mode .visual-tree-viewport { flex: 1 1 auto; height: auto; min-height: 0; }
.visual-tree-workspace.is-focus-mode .visual-tree-sidebar { top: 0; max-height: calc(100dvh - 2rem); }
.visual-tree-workspace.is-focus-mode [data-tree-focus-toggle] { color: #fff; background: var(--tblr-primary); border-color: var(--tblr-primary); }

@keyframes visual-tree-pending-edge {
    from { opacity: .45; }
    to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .visual-tree-edge-prerequisite.is-pending { animation: none; }
}

@media (max-width: 767.98px) {
    .visual-tree-viewport { min-height: 26rem; }
    .visual-tree-legend .ms-auto { width: 100%; margin-left: 0 !important; }
    .visual-tree-layout-toolbar .ms-auto { width: 100%; margin-left: 0 !important; }
    .visual-tree-workspace.is-editing, .visual-tree-workspace.is-edge-creating, .visual-tree-workspace.is-inspecting { grid-template-columns: minmax(0, 1fr); }
    .visual-tree-sidebar { position: static; max-height: none; overflow: visible; }
    .visual-tree-workspace.is-focus-mode .visual-tree-sidebar { position: fixed; top: 1rem; right: 1rem; bottom: 1rem; z-index: 1060; width: min(22rem, calc(100vw - 2rem)); max-height: none; overflow-y: auto; }
    .visual-tree-edit-toggle { width: 100%; padding-right: 0; border-right: 0; }
}

/* Batch 34: Player Progression Overlay */
.visual-tree-node.is-progression-owned {
    border-color: #2fb344;
    background: color-mix(in srgb, var(--tblr-bg-surface) 88%, #2fb344 12%);
    opacity: 0.8;
}
.visual-tree-node.is-progression-owned:hover,
.visual-tree-node.is-progression-owned:focus-within {
    opacity: 1;
}
.visual-tree-node.is-progression-target {
    z-index: 22 !important;
    outline: 3px solid #f76707 !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 15px rgba(247, 103, 7, .75) !important;
}
.visual-tree-node.is-progression-required {
    z-index: 20 !important;
    outline: 3px solid #206bc4 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 10px rgba(32, 107, 196, .6) !important;
}
.visual-tree-node.is-progression-filler {
    z-index: 20 !important;
    outline: 3px solid #ae3ec9 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 10px rgba(174, 62, 201, .6) !important;
}

.visual-tree-node-actions {
    position: absolute;
    top: .35rem;
    left: .35rem;
    display: flex;
    gap: .25rem;
    z-index: 5;
}
.visual-tree-node-quick-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 1px solid var(--tblr-border-color);
    border-radius: var(--tblr-border-radius);
    background: var(--tblr-bg-surface);
    color: var(--tblr-body-color);
    font-size: .75rem;
    cursor: pointer;
    opacity: .85;
    transition: opacity .15s ease, background-color .15s ease;
}
.visual-tree-node-quick-btn:hover {
    opacity: 1;
    background: var(--tblr-bg-surface-secondary);
}
.visual-tree-node.is-progression-owned .visual-tree-node-owned-btn {
    background: #2fb344;
    color: #fff;
    border-color: #2fb344;
}
.visual-tree-node.is-progression-target .visual-tree-node-target-btn {
    background: #f76707;
    color: #fff;
    border-color: #f76707;
}

.visual-tree-edge-prerequisite.is-progression-route {
    stroke: #206bc4 !important;
    stroke-width: 5.5 !important;
    filter: drop-shadow(0 0 5px rgba(32, 107, 196, .85)) !important;
}

.visual-tree-progression-hud {
    background: var(--tblr-bg-surface);
    border-left: 4px solid var(--tblr-primary);
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .08);
}

/* Batch 35: Visual Editor Productivity and Safety */
.visual-tree-node.is-coordinate-collision {
    outline: 3px solid var(--tblr-danger) !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--tblr-danger) 40%, transparent), 0 .35rem 1rem rgba(214, 57, 57, .3) !important;
}
.visual-tree-node.is-coordinate-collision::before {
    content: "⚠️ Overlap";
    position: absolute;
    bottom: .35rem;
    left: .35rem;
    z-index: 10;
    padding: .1rem .35rem;
    border-radius: 3px;
    background: var(--tblr-danger);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    line-height: 1.2;
    pointer-events: none;
}

.visual-tree-node.is-out-of-bounds {
    outline: 3px dashed var(--tblr-danger) !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--tblr-danger) 40%, transparent) !important;
}
.visual-tree-node.is-out-of-bounds::before {
    content: "⚠️ Out of bounds";
    position: absolute;
    bottom: .35rem;
    left: .35rem;
    z-index: 10;
    padding: .1rem .35rem;
    border-radius: 3px;
    background: var(--tblr-danger);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    line-height: 1.2;
    pointer-events: none;
}

.visual-tree-edge.is-validation-warning {
    stroke: var(--tblr-danger) !important;
    stroke-dasharray: 6 4 !important;
    filter: drop-shadow(0 0 5px rgba(214, 57, 57, .9)) !important;
}

@keyframes visual-tree-node-focus-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); box-shadow: 0 0 20px rgba(32, 107, 196, .85); }
    100% { transform: scale(1); }
}
.visual-tree-node.is-jump-highlighted {
    z-index: 50 !important;
    animation: visual-tree-node-focus-pulse 0.5s ease-in-out 2;
}

/* Batch 38: Human-friendly Visual Coordinates */
.visual-tree-grid-labels {
    position: absolute;
    top: -1.35rem;
    left: 0;
    right: 0;
    height: 1.2rem;
    pointer-events: none;
    z-index: 2;
}
.visual-tree-grid-col-label {
    position: absolute;
    width: 13rem;
    text-align: center;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--tblr-secondary);
    opacity: .75;
}
.visual-tree-cell-label {
    position: absolute;
    bottom: .25rem;
    right: .35rem;
    font-size: .65rem;
    font-weight: 700;
    color: var(--tblr-secondary);
    opacity: .6;
    font-variant-numeric: tabular-nums;
}
.visual-tree-placement-badge {
    position: absolute;
    top: .35rem;
    right: .35rem;
    font-size: .7rem;
    font-weight: 700;
}