/* Person Tree – green theme, aligned with person_detail, compare, changelog
   Uses: var(--primary), var(--primary-dark), var(--dark), var(--border), var(--light), var(--gray)
*/

.tree-page { min-height: 100vh; display: flex; flex-direction: column; }
.tree-page html, .tree-page body { height: 100%; }

/* ========== PAGE HEADER ========== */
.tree-page .tree-page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #0f172a 100%);
  color: #fff;
  padding: 2rem 0 1.5rem;
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
}

.tree-page .tree-page-header::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(34,197,94,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.tree-page .tree-page-header .container { position: relative; z-index: 1; }
.tree-page .tree-page-header h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.25rem; }
.tree-page .tree-page-header .tree-subtitle { font-size: 0.95rem; opacity: 0.9; }

/* ========== TOOLBAR ========== */
.tree-page .tree-toolbar {
  background: #fff;
  border-bottom: 2px solid var(--border, #e2e8f0);
  padding: 0.85rem 0;
  margin-bottom: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.tree-page .tree-toolbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

.tree-page .tree-toolbar .tree-search-wrap {
  position: relative;
  flex: 1;
  min-width: 160px;
  max-width: 240px;
}

.tree-page .tree-toolbar .tree-search-wrap .form-control {
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tree-page .tree-toolbar .tree-search-wrap .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
  outline: none;
}

.tree-page .tree-toolbar .tree-search-wrap .tree-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray, #64748b);
  pointer-events: none;
  font-size: 0.9rem;
}

.tree-page .tree-toolbar .tree-toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.tree-page .tree-toolbar .tree-toolbar-group .btn {
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.8rem;
  padding: 0.4rem 0.7rem;
}

.tree-page .tree-toolbar .btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
}

.tree-page .tree-toolbar .btn-outline-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.tree-page .tree-toolbar .btn-outline-secondary {
  border-color: var(--border);
  color: var(--gray);
}

.tree-page .tree-toolbar .btn-outline-secondary:hover {
  background: var(--light);
  border-color: var(--gray-light, #94a3b8);
  color: var(--dark);
}

.tree-page .tree-toolbar .btn-outline-success {
  border-color: var(--primary);
  color: var(--primary);
}

.tree-page .tree-toolbar .btn-outline-success:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.tree-page .tree-toolbar .btn-outline-danger:hover {
  background: var(--danger, #dc2626);
  border-color: var(--danger);
  color: #fff;
}

.tree-page .tree-toolbar .tree-toolbar-divider {
  width: 1px;
  height: 1.5rem;
  background: var(--border);
  margin: 0 0.25rem;
  flex-shrink: 0;
}

.tree-page .tree-toolbar .tree-back-link {
  margin-left: auto;
  font-weight: 500;
  text-decoration: none;
  color: var(--dark);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.tree-page .tree-toolbar .tree-back-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(22, 163, 74, 0.06);
}

/* ========== CHART CONTAINER ========== */
.tree-page .tree-chart-wrap {
  flex: 1;
  min-height: 400px;
  background: var(--light, #f8fafc);
}

.tree-page .chart-container {
  width: 100%;
  height: calc(100vh - 280px);
  min-height: 420px;
}

/* ========== TREE LOADER ========== */
.tree-page .tree-loader {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1050;
  backdrop-filter: blur(4px);
}

.tree-page .tree-loader .tree-loader-box {
  text-align: center;
}

.tree-page .tree-loader .tree-loader-icon {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 1rem;
  filter: grayscale(0.2);
}

.tree-page .tree-loader .tree-loader-bar {
  width: 260px;
  height: 10px;
  border-radius: 999px;
  background: var(--border, #e5e7eb);
  overflow: hidden;
  margin: 0 auto 0.5rem;
}

.tree-page .tree-loader .tree-loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: width 0.2s ease;
}

.tree-page .tree-loader .tree-loader-label {
  font-size: 0.9rem;
  color: var(--gray, #334155);
  font-weight: 500;
}

/* ========== NODE ACTIONS (D3 foreignObject dropdown) ========== */
.tree-page .node-actions {
  position: absolute;
  top: 6px;
  right: 8px;
}

.tree-page .node-actions .dropbtn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  color: var(--gray);
  font-size: 1rem;
  line-height: 1;
}

.tree-page .node-actions .dropbtn:hover {
  background: var(--light, #f1f3f5);
  color: var(--primary);
}

.tree-page .node-actions .dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 24px;
  background: #fff;
  min-width: 160px;
  border: 2px solid var(--border, #e5e7eb);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 10;
  overflow: hidden;
}

.tree-page .node-actions .dropdown-content a {
  display: block;
  padding: 8px 12px;
  color: var(--dark);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 0.15s;
}

.tree-page .node-actions .dropdown-content a:hover {
  background: rgba(22, 163, 74, 0.08);
  color: var(--primary);
}

.tree-page .node-actions .dropdown-content.show {
  display: block;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .tree-page .tree-page-header h1 { font-size: 1.35rem; }
  .tree-page .tree-toolbar-inner { flex-direction: column; align-items: stretch; }
  .tree-page .tree-toolbar .tree-search-wrap { max-width: none; }
  .tree-page .tree-toolbar .tree-toolbar-divider { display: none; }
  .tree-page .tree-toolbar .tree-back-link { margin-left: 0; margin-top: 0.25rem; }
  .tree-page .chart-container { height: calc(100vh - 340px); min-height: 360px; }
}