/**
 * Family Tree Visual Stylesheet — Approved Reference Design
 * Matches authoritative reference image (media_1791216125253.png)
 */

:root {
  --tree-gold: #c89a3d;
  --tree-gold-connector: #B38029; /* Refined Gold with high contrast on Warm Ivory (#FAF8F5) */
  --tree-gold-connector: #B7791F; /* Canonical backward-compatible alias */
  --tree-connector-gold: #B7791F; /* Canonical high-contrast refined Gold for crisp lines */
  --tree-gold-glow: rgba(183, 121, 31, 0.28);
  --tree-emerald: #0e5a46;
  --tree-deep-green: #003c2f;
  --tree-canvas-bg: #FAF8F5;
  --tree-border-card: #E2E8F0;
  --tree-text-dark: #0F172A;
  --tree-text-muted: #64748B;
}

/* Public Tree Workspace Sizing */
.family-public-tree-wrapper {
  width: 100%;
  max-width: 100%;
  padding: 0.5rem 0.75rem 1rem 0.75rem;
  box-sizing: border-box;
}

.portal-tree-workspace {
  height: calc(100dvh - 100px);
  min-height: 600px;
  max-height: calc(100dvh - 80px);
}

/* Tree Workspace & Canvas */
.tree-workspace-container {
  display: flex;
  flex-direction: row;
  overflow: hidden;
  position: relative;
  background: var(--tree-canvas-bg);
  min-height: 600px;
  min-height: calc(100dvh - 150px);
}

.tree-viewport-canvas {
  flex: 1;
  min-width: 0;
  position: relative;
  overflow: hidden;
  cursor: grab !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  touch-action: none !important;
  pointer-events: auto !important;
  background-color: var(--tree-canvas-bg);
  background-image: radial-gradient(rgba(200, 154, 61, 0.18) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
}

.tree-viewport-canvas:active,
.tree-viewport-canvas.is-panning {
  cursor: grabbing !important;
}

/* Stacking & Pointer Events: background, bands, connectors, and intermediate layers are non-interactive */
#treeGraphLayer,
#treeBandsContainer,
#treeConnectorsSvg,
#treeNodesContainer,
#treeGenSidebarLayer,
.tree-gen-band,
.tree-gen-marker,
.tree-corner-ornament {
  pointer-events: none !important;
}

/* Node cards, portraits, and interactive buttons are explicitly interactive */
.tree-node-card {
  pointer-events: auto !important;
  cursor: pointer !important;
}

.tree-node-card * {
  pointer-events: auto;
}

.tree-subtle-expand-btn,
.tree-expand-btn {
  pointer-events: auto !important;
  cursor: pointer !important;
}

/* Islamic Geometric Corner Watermark */
.tree-corner-ornament {
  position: absolute;
  top: 0;
  width: 220px;
  height: 220px;
  pointer-events: none;
  opacity: 0.08;
  z-index: 0;
}

/* Node Cards Visual Hierarchy */
.tree-node-card {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--tree-border-card);
  border-radius: 12px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
  padding: 0.65rem 0.8rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
}

.tree-node-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--tree-gold);
}

/* Active & Selected Member State */
.tree-node-card.node-active {
  border: 2px solid var(--tree-gold) !important;
  box-shadow: 0 0 0 2px var(--tree-gold), 0 8px 24px var(--tree-gold-glow) !important;
}

.tree-node-card.node-active::before {
  content: '★';
  position: absolute;
  top: -11px;
  right: 14px;
  background: var(--tree-gold);
  color: #FFFFFF;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  z-index: 10;
}

.tree-node-card.node-highlighted {
  border-color: var(--tree-gold) !important;
  background: linear-gradient(135deg, #FFFFFF, rgba(200, 154, 61, 0.12)) !important;
  box-shadow: 0 0 0 2px var(--tree-gold), 0 6px 20px var(--tree-gold-glow) !important;
}

/* Founder / Root Card (Generation 1) */
.tree-node-card.tree-node-root {
  border: 2px solid var(--tree-gold);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(200, 154, 61, 0.08) 0%, #FFFFFF 100%);
  box-shadow: 0 0 0 1px var(--tree-gold), 0 10px 28px rgba(200, 154, 61, 0.24);
}

.tree-root-crown-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #c89a3d 0%, #b3852b 100%);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 3px 8px rgba(200, 154, 61, 0.4);
  white-space: nowrap;
  z-index: 6;
}

/* Descendant Compact Nodes (Generations 2+) */
.tree-node-card.tree-node-descendant {
  border-radius: 12px;
  background: #FFFFFF;
  padding: 0.35rem 0.25rem;
  justify-content: center;
  align-items: center;
}

.tree-avatar-founder {
  box-shadow: 0 4px 14px rgba(200, 154, 61, 0.35);
  border: 2.5px solid var(--tree-gold) !important;
}

.tree-avatar-descendant {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 2px solid var(--tree-gold) !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tree-avatar-descendant:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 12px var(--tree-gold-glow);
}

.tree-subtle-expand-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: rgba(0, 60, 47, 0.08);
  border: 1px solid rgba(0, 60, 47, 0.18);
  color: var(--tree-deep-green);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 7px;
  margin: 0.15rem auto 0 auto;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
}

.tree-subtle-expand-btn:hover {
  background: var(--tree-deep-green);
  color: #FFFFFF;
}

.tree-subtle-expand-btn.is-expanded {
  background: rgba(200, 154, 61, 0.12);
  border-color: rgba(200, 154, 61, 0.35);
  color: var(--tree-gold);
}

.tree-subtle-expand-btn.is-expanded:hover {
  background: var(--tree-gold);
  color: #FFFFFF;
}

.drawer-avatar-crown {
  user-select: none;
}

/* Connection Anchor Dots */
.tree-anchor-dot {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--tree-emerald);
  border: 1.5px solid #FFFFFF;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 6;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.tree-node-root .tree-anchor-dot {
  background: var(--tree-gold);
}

/* Connection Anchor Dots - Hidden to prevent stray disconnected dots */
.tree-anchor-dot {
  display: none !important;
}

/* Layer Stacking Hierarchy: Bands (0) -> Connectors (1) -> Nodes (2) -> Cards (5) */
#treeBandsContainer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none !important;
  z-index: 0 !important;
}

/* SVG Orthogonal Connectors */
#treeConnectorsSvg {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none !important;
  overflow: visible !important;
  max-width: none !important;
  max-height: none !important;
  z-index: 1 !important;
}

#treeNodesContainer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none !important;
  z-index: 2 !important;
}

.tree-connector-line {
  fill: none !important;
  stroke: var(--tree-connector-gold, #B7791F) !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  opacity: 1 !important;
}

/* Root stem & rail: high-contrast refined Gold (2.4px / stroke-width: 2.2px fallback) */
.tree-connector-line.connector-root {
  stroke: var(--tree-gold-connector, #B38029);
  stroke: var(--tree-connector-gold, #B7791F) !important;
  stroke-width: 2.2px;
  stroke-width: 2.4px !important;
}

/* Descendant stems, rails & drops: consistent refined Gold (2.0px / stroke-width: 1.8px fallback) */
.tree-connector-line.connector-deep {
  stroke: var(--tree-gold-connector, #B38029);
  stroke: var(--tree-connector-gold, #B7791F) !important;
  stroke-width: 1.8px;
  stroke-width: 2.0px !important;
}

.tree-connector-line.connector-highlighted {
  stroke: #975A16 !important;
  stroke-width: 3.2px !important;
  filter: drop-shadow(0 0 4px rgba(183, 121, 31, 0.7));
  stroke-dasharray: 6 3;
  animation: connectorDash 1.2s linear infinite;
  z-index: 10;
}

@keyframes connectorDash {
  to { stroke-dashoffset: -18; }
}

.connector-anchor {
  stroke: #FFFFFF !important;
  stroke-width: 1.5px !important;
  fill: var(--tree-connector-gold, #B7791F) !important;
  pointer-events: none !important;
}

.connector-anchor.anchor-gold {
  fill: var(--tree-connector-gold, #B7791F) !important;
}

.connector-anchor.anchor-emerald {
  fill: var(--tree-emerald, var(--tree-connector-gold, #B7791F)) !important;
}

/* Subtle Generation Dividers (Not Big Boxes!) */
.tree-gen-band {
  pointer-events: none;
  border-top: 1px dashed rgba(200, 154, 61, 0.22);
}

.tree-gen-band-1 {
  background: transparent;
  border-top: none;
}

.tree-gen-band-2 {
  background: transparent;
}

.tree-gen-band-3 {
  background: transparent;
}

.tree-gen-band-4 {
  background: rgba(200, 154, 61, 0.025);
}

/* Side Generation Markers */
.tree-gen-marker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.5rem;
  pointer-events: none;
  white-space: nowrap;
}

.tree-gen-marker .marker-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(200, 154, 61, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tree-gen-marker .marker-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--tree-text-dark);
}

.tree-gen-marker .marker-count {
  font-size: 0.74rem;
  color: var(--tree-gold);
  font-weight: 700;
}

.tree-gen-marker .marker-date {
  font-size: 0.7rem;
  color: var(--tree-text-muted);
}

.tree-gen-marker-connector {
  border-left: 2px dotted rgba(200, 154, 61, 0.5);
  pointer-events: none;
}

/* Member Avatars & Chips */
.tree-avatar-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--tree-gold);
  background: rgba(200, 154, 61, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.tree-avatar-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.tree-avatar-wrapper .avatar-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  border-radius: 50%;
}

.tree-initial-chip {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #F1F5F9;
  color: #475569;
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid #E2E8F0;
}

/* Detail Drawer Attribute Rows and Attachments */
.drawer-attribute-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px solid #E2E8F0;
  gap: 0.75rem;
}

.drawer-attribute-row:last-child {
  border-bottom: none;
}

.drawer-attribute-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--tree-text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.drawer-attribute-value {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--tree-text-dark);
  text-align: left;
  word-break: break-word;
}

[dir="rtl"] .drawer-attribute-value {
  text-align: left;
}

[dir="ltr"] .drawer-attribute-value {
  text-align: right;
}

.drawer-attachments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.drawer-attachment-card {
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  overflow: hidden;
  background: #F8FAFC;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.drawer-attachment-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: var(--tree-gold);
}

.btn-close-drawer {
  pointer-events: auto !important;
  cursor: pointer !important;
  border-radius: 50% !important;
  transition: background 0.15s ease !important;
}

.btn-close-drawer:hover {
  background: rgba(0, 0, 0, 0.08) !important;
  color: var(--tree-text-dark) !important;
}

/* ========================================================
   CENTERED MEMBER DETAILS MODAL (Replaces Side Drawer)
   ======================================================== */
.tree-drawer-backdrop,
.tree-modal-backdrop {
  position: fixed !important;
  inset: 0 !important;
  background: rgba(15, 23, 42, 0.65) !important;
  backdrop-filter: blur(4px) !important;
  -webkit-backdrop-filter: blur(4px) !important;
  z-index: 9999 !important;
  display: none;
}

.tree-drawer-backdrop:not(.drawer-open):not(.modal-open),
.tree-modal-backdrop:not(.drawer-open):not(.modal-open),
#treeDrawerBackdrop:not(.drawer-open):not(.modal-open) {
  display: none !important;
  pointer-events: none !important;
}

.tree-drawer-backdrop.drawer-open,
.tree-modal-backdrop.modal-open,
#treeDrawerBackdrop.drawer-open,
#treeDrawerBackdrop.modal-open {
  display: block !important;
  pointer-events: auto !important;
}

.tree-detail-drawer,
.tree-member-modal {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) scale(0.96) !important;
  width: 680px !important;
  max-width: 90vw !important;
  max-height: 85dvh !important;
  background: #FAF8F5 !important;
  border: 1.5px solid var(--tree-gold, #c89a3d) !important;
  border-radius: 18px !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(200, 154, 61, 0.2) !important;
  z-index: 10000 !important;
  display: none !important;
  flex-direction: column !important;
  overflow: hidden !important;
  opacity: 0;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease !important;
  order: unset !important;
}

.tree-detail-drawer.drawer-open,
.tree-member-modal.modal-open {
  display: flex !important;
  opacity: 1 !important;
  transform: translate(-50%, -50%) scale(1) !important;
}

.tree-drawer-header {
  padding: 1.1rem 1.35rem 0.9rem 1.35rem;
  border-bottom: 1px solid var(--border-color, #E2E8F0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FAF8F5;
  flex-shrink: 0;
}

.tree-drawer-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color, #E2E8F0);
  flex-shrink: 0;
}

#treeDrawerBody {
  flex: 1;
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  max-height: calc(85dvh - 180px);
  background: #FFFFFF;
}

#treeDrawerFooter {
  padding: 0.9rem 1.35rem;
  border-top: 1px solid var(--border-color, #E2E8F0);
  background: #F8FAFC;
  display: flex;
  gap: 0.65rem;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* Dark Mode Support */
[data-theme="dark"] #familyTreeApp,
body.dark-mode #familyTreeApp {
  background: #111614 !important;
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .tree-viewport-canvas,
body.dark-mode .tree-viewport-canvas {
  background-color: #121816 !important;
  background-image: radial-gradient(rgba(200, 154, 61, 0.15) 1.2px, transparent 1.2px) !important;
}

[data-theme="dark"] .tree-node-card,
body.dark-mode .tree-node-card {
  background: #1A2421 !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
  color: #E2E8F0 !important;
}

[data-theme="dark"] .tree-connector-line.connector-deep,
body.dark-mode .tree-connector-line.connector-deep {
  stroke: #c89a3d !important;
}

[data-theme="dark"] .tree-detail-drawer,
body.dark-mode .tree-detail-drawer {
  background: #171E1C !important;
  border-color: rgba(200, 154, 61, 0.35) !important;
}

/* Search Selection Pulse Highlight */
@keyframes nodePulseHighlight {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(200, 154, 61, 0.8); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 14px rgba(200, 154, 61, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(200, 154, 61, 0); }
}

.node-search-highlight {
  animation: nodePulseHighlight 0.75s ease-in-out 3 !important;
  border: 2px solid var(--tree-gold) !important;
  z-index: 25 !important;
}

/* Progressive Expansion Control Button */
.tree-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.5rem;
  background: rgba(0, 60, 47, 0.08);
  border: 1px solid rgba(0, 60, 47, 0.22);
  border-radius: 999px;
  color: var(--tree-deep-green);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
}

.tree-expand-btn:hover {
  background: var(--tree-deep-green);
  color: #FFFFFF;
  border-color: var(--tree-deep-green);
}

.tree-expand-btn.is-collapsed {
  background: rgba(200, 154, 61, 0.15);
  border-color: rgba(200, 154, 61, 0.4);
  color: #a17320;
}

.tree-expand-btn.is-collapsed:hover {
  background: var(--tree-gold);
  color: #FFFFFF;
  border-color: var(--tree-gold);
}

/* Mobile & Tablet Responsive Adjustments */
@media (max-width: 768px) {
  #familyTreeApp {
    min-height: 520px !important;
    height: calc(100dvh - 85px) !important;
  }
  .family-public-tree-wrapper {
    padding: 0.35rem 0.4rem 0.75rem 0.4rem !important;
  }
  .tree-workspace-container {
    min-height: 500px !important;
  }
  #treeViewport {
    width: 100% !important;
    min-height: 500px !important;
  }
  #treeDetailDrawer,
  .tree-detail-drawer,
  .tree-member-modal {
    position: fixed !important;
    top: 50% !important;
    bottom: auto !important;
    left: 50% !important;
    right: auto !important;
    transform: translate(-50%, -50%) scale(0.96) !important;
    width: 94vw !important;
    max-width: 94vw !important;
    max-height: 90dvh !important;
    border-radius: 16px !important;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.32) !important;
    border: 1.5px solid var(--tree-gold, #c89a3d) !important;
  }
  #treeDetailDrawer.drawer-open,
  .tree-detail-drawer.drawer-open,
  .tree-member-modal.modal-open {
    display: flex !important;
    transform: translate(-50%, -50%) scale(1) !important;
  }
  #treeDrawerBody {
    max-height: calc(90dvh - 180px) !important;
    padding: 1rem 1.15rem !important;
  }
  .drawer-drag-handle {
    display: none !important;
  }
  .toolbar-btn-text {
    display: none;
  }
  .family-tree-toolbar {
    flex-direction: column;
    align-items: stretch !important;
    gap: 0.6rem !important;
  }
  .family-tree-toolbar > div {
    width: 100% !important;
    justify-content: space-between;
  }
}