:root {
  --map-ink: #18332d;
  --map-muted: #6b7773;
  --map-line: #cbd8d2;
  --map-paper: #f7faf8;
  --map-accent: #267a61;
  --map-danger: #a43838;
}

body { background: #edf3f0; color: var(--map-ink); }

.map-shell { min-height: 100vh; padding: 28px; }
.map-header { align-items: flex-end; display: flex; justify-content: space-between; margin: 0 auto 18px; max-width: 1600px; }
.map-header h1 { font-size: clamp(26px, 3vw, 42px); letter-spacing: 0; margin: 3px 0 0; }
.map-eyebrow { color: var(--map-accent); font-size: 12px; font-weight: 800; letter-spacing: 0; margin: 12px 0 0; }
.map-back { color: var(--map-ink); display: inline-flex; gap: 8px; text-decoration: none; }
.map-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.map-actions button, .map-form-actions button { align-items: center; background: #fff; border: 1px solid var(--map-line); border-radius: 4px; color: var(--map-ink); cursor: pointer; display: inline-flex; font: inherit; gap: 7px; min-height: 38px; padding: 8px 12px; }
.map-actions button:hover { border-color: var(--map-accent); color: var(--map-accent); }

.map-workspace { display: grid; gap: 1px; grid-template-columns: minmax(220px, 280px) minmax(420px, 1fr) minmax(260px, 340px); margin: 0 auto; max-width: 1600px; min-height: calc(100vh - 150px); overflow: hidden; border: 1px solid var(--map-line); }
.map-tree-panel, .map-canvas-panel, .map-inspector { background: var(--map-paper); min-width: 0; }
.map-tree-panel, .map-inspector { padding: 16px; }
.panel-heading { align-items: center; border-bottom: 1px solid var(--map-line); display: flex; justify-content: space-between; margin-bottom: 12px; padding-bottom: 10px; }
.panel-heading h2 { font-size: 15px; letter-spacing: 0; margin: 0; }
.panel-heading span { color: var(--map-muted); font-size: 12px; }

.map-tree { overflow: auto; }
.map-tree-list { list-style: none; margin: 0; padding: 0; }
.map-tree-list .map-tree-list { border-left: 1px solid var(--map-line); margin-left: 10px; padding-left: 11px; }
.map-tree-button { align-items: center; background: transparent; border: 0; border-radius: 3px; color: var(--map-ink); cursor: pointer; display: flex; font: inherit; gap: 7px; padding: 7px 6px; text-align: left; width: 100%; }
.map-tree-button:hover, .map-tree-button.is-selected { background: #e1eee8; color: #155c48; }
.map-tree-kind { color: var(--map-muted); font-size: 10px; margin-left: auto; }

.map-canvas-panel { overflow: hidden; position: relative; }
.map-canvas-help { background: rgba(255,255,255,.88); border-bottom: 1px solid var(--map-line); color: var(--map-muted); font-size: 12px; padding: 9px 12px; position: relative; z-index: 4; }
.map-canvas { background-color: #f2f7f4; background-image: linear-gradient(#dae4df 1px, transparent 1px), linear-gradient(90deg, #dae4df 1px, transparent 1px); background-size: 24px 24px; height: calc(100% - 35px); min-height: 580px; overflow: auto; position: relative; }
#map-connections, #map-nodes { height: 900px; left: 0; min-height: 100%; min-width: 100%; position: absolute; top: 0; width: 1200px; }
#map-connections { overflow: visible; pointer-events: none; }
#map-connections path { fill: none; stroke: #91ada2; stroke-width: 1.5; }
.map-node { background: #fff; border: 1px solid #b8cbc3; border-radius: 4px; cursor: grab; min-height: 58px; padding: 9px 11px; position: absolute; touch-action: none; width: 150px; }
.map-node:active { cursor: grabbing; }
.map-node:hover, .map-node.is-selected { border-color: var(--map-accent); outline: 2px solid rgba(38,122,97,.16); }
.map-node strong, .map-node small { display: block; letter-spacing: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.map-node strong { font-size: 13px; }
.map-node small { color: var(--map-muted); font-size: 10px; margin-top: 7px; }
.map-node[data-kind="branch"] { border-left: 4px solid #267a61; }
.map-node[data-kind="image"] { border-left: 4px solid #376aa2; }
.map-node[data-kind="reference"] { border-left: 4px solid #a06b2d; }

.map-inspector form { display: grid; gap: 11px; }
.map-inspector label { color: var(--map-muted); display: grid; font-size: 12px; gap: 5px; }
.map-inspector input, .map-inspector textarea, .map-inspector select { background: #fff; border: 1px solid var(--map-line); border-radius: 3px; box-sizing: border-box; color: var(--map-ink); font: inherit; letter-spacing: 0; padding: 9px; resize: vertical; width: 100%; }
.map-inspector input:focus, .map-inspector textarea:focus, .map-inspector select:focus { border-color: var(--map-accent); outline: 2px solid rgba(38,122,97,.12); }
.map-reference-row { display: grid; gap: 8px; grid-template-columns: 1fr 92px; }
.map-form-actions { display: flex; gap: 8px; margin-top: 4px; }
.map-form-actions .primary { background: var(--map-accent); border-color: var(--map-accent); color: #fff; }
.map-form-actions .danger { color: var(--map-danger); }
.map-image-preview { aspect-ratio: 16 / 9; background: #e4ebe7 center / cover no-repeat; border: 1px solid var(--map-line); }
.map-empty-selection { color: var(--map-muted); padding: 44px 12px; text-align: center; }
.map-empty-selection i { font-size: 28px; }
.map-empty-selection p { line-height: 1.5; }

@media (max-width: 980px) {
  .map-shell { padding: 16px; }
  .map-header { align-items: flex-start; flex-direction: column; gap: 14px; }
  .map-workspace { grid-template-columns: 210px minmax(520px, 1fr); overflow: auto; }
  .map-inspector { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .map-actions span { display: none; }
  .map-actions button { justify-content: center; min-width: 38px; padding: 8px; }
  .map-workspace { display: block; }
  .map-tree-panel { max-height: 240px; overflow: auto; }
  .map-canvas { min-height: 500px; }
  .map-inspector { border-top: 1px solid var(--map-line); }
}