.tree-page {
  width: min(calc(100% - 32px), 1400px);
  margin-inline: auto;
  padding-block: 24px 40px;
  display: grid;
  gap: 18px;
}

.tree-toolbar {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.tree-hint {
  margin-top: 8px;
}

.tree-toolbar__actions {
  display: grid;
  gap: 12px;
}

.tree-search-field {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.tree-search-field input {
  border: 0;
  background: transparent;
  min-width: 0;
}

.tree-search-results {
  display: grid;
  gap: 8px;
}

.tree-search-result {
  width: 100%;
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid rgba(27, 94, 32, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-text);
  text-align: left;
  font-weight: 700;
}

.tree-search-result span,
.tree-search-results__hint {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.tree-edit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tree-status {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.tree-editor-actions,
.tree-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tree-editor-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(242, 247, 235, 0.8);
}

.tree-editor__hint {
  font-size: var(--font-size-sm);
}

.tree-form-field {
  display: grid;
  gap: 6px;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.tree-form-field input {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 16px;
}

.tree-form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.tree-spouse-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tree-spouse-chip {
  border: 0;
}

.tree-spouse-picker {
  display: grid;
  gap: 10px;
}

.tree-spouse-picker select {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 16px;
}

.tree-button--danger {
  color: #a43c21;
}

.tree-layout {
  display: grid;
  gap: 18px;
}

.tree-canvas {
  min-height: 620px;
  overflow: hidden;
  padding: 18px;
  position: relative;
}

.tree-canvas.is-edit-mode {
  border: 1px dashed rgba(27, 94, 32, 0.32);
}

.tree-canvas svg {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.tree-sidebar {
  padding: 20px;
}

@media (min-width: 1024px) {
  .tree-page {
    width: min(calc(100% - 56px), 1560px);
    padding-block: 28px 48px;
    gap: 20px;
  }

  .tree-toolbar {
    padding: 24px 26px;
  }

  .tree-toolbar__actions {
    grid-template-columns: minmax(320px, 1.2fr) auto;
    gap: 14px 18px;
    align-items: center;
  }

  .tree-toolbar__actions .chip-row {
    grid-column: 1 / -1;
  }

  .tree-edit-actions,
  .tree-zoom-actions {
    justify-content: flex-end;
  }

  .tree-layout {
    grid-template-columns: minmax(0, 1.7fr) minmax(340px, 0.72fr);
    align-items: start;
  }

  .tree-canvas {
    min-height: calc(100vh - 250px);
    padding: 22px;
  }

  .tree-sidebar {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 120px);
    overflow: auto;
    padding: 24px;
  }
}

@media (min-width: 1320px) {
  .overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .overview-root {
    padding: 28px;
  }

  .overview-branch {
    min-height: 100%;
  }
}

.tree-popup {
  position: absolute;
  z-index: 4;
  width: min(260px, calc(100% - 24px));
  padding: 14px;
  display: grid;
  gap: 10px;
  border: 1px solid rgba(27, 94, 32, 0.14);
  box-shadow: 0 18px 36px rgba(27, 94, 32, 0.14);
}

.tree-popup__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: rgba(27, 94, 32, 0.08);
  color: var(--color-text);
}

.tree-popup__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tree-sidebar__content,
.tree-sidebar__empty,
.tree-summary {
  display: grid;
  gap: 16px;
}

.tree-summary__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tree-summary__button {
  width: fit-content;
}

.overview-board {
  display: grid;
  gap: 20px;
  min-height: 100%;
}

.overview-root {
  padding: 24px;
  text-align: center;
}

.overview-grid {
  display: grid;
  gap: 16px;
}

.overview-branch {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--branch-color);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(245,249,241,0.94));
  box-shadow: var(--shadow-sm);
}

.overview-branch__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tree-link {
  stroke-linecap: round;
}

.tree-node {
  cursor: pointer;
}

.tree-canvas.is-edit-mode .tree-node {
  cursor: grab;
}

.tree-node.is-dragging {
  cursor: grabbing;
}

.tree-node rect {
  filter: drop-shadow(0 8px 18px rgba(27, 94, 32, 0.08));
}

.tree-node.is-dragging rect {
  stroke: var(--color-secondary);
  stroke-width: 4px;
}

.tree-node--drop-target rect {
  stroke: var(--color-primary);
  stroke-width: 4px;
  fill: rgba(226, 242, 227, 0.98);
}

.tree-node__title,
.tree-node__index,
.tree-node__spouse,
.tree-node__meta {
  font-family: var(--font-body);
  pointer-events: none;
}

.tree-node__index {
  font-size: 10px;
  font-weight: 700;
  fill: var(--color-accent);
}

.tree-node__title {
  font-size: 12px;
  font-weight: 700;
  fill: var(--color-text);
}

.tree-node__spouse {
  font-size: 11px;
  font-weight: 600;
  fill: var(--color-primary);
}

.tree-node__meta {
  font-size: 10px;
  fill: var(--color-text-muted);
}

.info-card--compact {
  display: grid;
  gap: 12px;
}

.tree-sort-list {
  display: grid;
  gap: 10px;
}

.tree-sort-item {
  cursor: grab;
}

.tree-child-list {
  display: grid;
  gap: 10px;
}

.tree-child-item {
  width: 100%;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(27, 94, 32, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-primary);
  font-weight: 700;
  text-align: left;
}

.tree-child-item__handle {
  color: var(--color-text-muted);
  letter-spacing: -1px;
}

.tree-child-item__content {
  min-width: 0;
}

.tree-sort-item.is-dragging {
  opacity: 0.5;
}

.tree-sort-item.is-drop-target {
  border-color: var(--color-primary);
  background: rgba(226, 242, 227, 0.95);
}

@media (max-width: 639px) {
  .tree-page {
    width: min(calc(100% - 20px), 100%);
    padding-block: 16px 28px;
  }

  .tree-toolbar,
  .tree-sidebar {
    padding: 16px;
  }

  .tree-canvas {
    min-height: 68vh;
    padding: 10px;
  }

  .tree-node__title {
    font-size: 13px;
  }
}

@media (min-width: 768px) {
  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tree-spouse-picker {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .tree-layout {
    grid-template-columns: minmax(0, 1.65fr) minmax(340px, 0.85fr);
    align-items: start;
  }

  .tree-sidebar {
    position: sticky;
    top: 96px;
  }

  .overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}