:root {
  --sj-bg: #0f0f10;
  --sj-panel: #161617;
  --sj-panel-2: #1b1b1d;
  --sj-line: #2a2a2d;
  --sj-line-soft: #232326;
  --sj-text: #f3f3f4;
  --sj-text-dim: #9c9ca3;
  --sj-text-mute: #6b6b72;
  --sj-gold: #b8860b;
  --sj-gold-soft: rgba(184, 134, 11, 0.15);
  --sj-gold-bright: #d9a93a;
  --sj-blue: #2c7bff;
  --sj-blue-soft: rgba(44, 123, 255, 0.18);
  --sj-danger: #ef4444;
  --sj-success: #22c55e;
  --sj-shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.55);
  --sj-shadow-md: 0 10px 30px -8px rgba(0, 0, 0, 0.5);
  --sj-shadow-sm: 0 4px 14px -4px rgba(0, 0, 0, 0.4);
  --sj-radius: 14px;
  --sj-radius-lg: 22px;
  --sj-radius-pill: 999px;
  --side-w: 340px;
  --top-h: 60px;
  --tab-h: 40px;
  --tab-bar-bg: #18181a;
  --tab-inactive: transparent;
  --tab-hover: rgba(255, 255, 255, 0.06);
  --tab-active: var(--sj-bg);
  --bottom-pad: 28px;
  --tip-bg: rgba(28, 28, 31, 0.96);
  --tip-text: #f8f8f9;
  --focus-ring: 0 0 0 3px var(--sj-gold-soft);

  --ui-font:
    "Noto Sans", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI",
    Roboto, sans-serif;
  --display-font: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
}

[data-bs-theme="light"] {
  --sj-bg: #f7f5ef;
  --sj-panel: #ffffff;
  --sj-panel-2: #faf8f1;
  --sj-line: #e7e2d4;
  --sj-line-soft: #efebde;
  --sj-text: #1c1c1f;
  --sj-text-dim: #5e5e66;
  --sj-text-mute: #8b8b94;
  --sj-shadow-lg: 0 24px 60px -12px rgba(40, 30, 0, 0.18);
  --sj-shadow-md: 0 10px 30px -8px rgba(40, 30, 0, 0.18);
  --tip-bg: rgba(28, 28, 31, 0.94);
  --tip-text: #ffffff;
  --tab-bar-bg: #ebe8df;
  --tab-hover: rgba(0, 0, 0, 0.05);
  --tab-active: var(--sj-bg);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  background: var(--sj-bg);
  color: var(--sj-text);
  font-family: var(--ui-font);
  font-feature-settings:
    "ss01" on,
    "cv11" on;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  top: 0 !important;
}

button {
  font-family: inherit;
}

/* ACCESSIBILITY + TOOLTIPS */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--sj-gold);
  color: #1c1300;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
}
.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: var(--focus-ring);
}

:focus-visible {
  outline: 2px solid var(--sj-gold-bright);
  outline-offset: 2px;
}

.icon-btn:focus-visible,
.tool-btn:focus-visible,
.swatch:focus-visible,
.add-child-btn:focus-visible,
.panel-expand-btn:focus-visible,
.tree-tab-add:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.has-tip { position: relative; }

.has-tip::after {
  content: attr(data-tip);
  position: absolute;
  z-index: 100;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--tip-bg);
  color: var(--tip-text);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.has-tip::before {
  content: "";
  position: absolute;
  z-index: 100;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--tip-bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.16s ease, visibility 0.16s;
}

.has-tip.tip-down::after {
  top: calc(100% + 10px);
  bottom: auto;
  transform: translateX(-50%) translateY(-4px);
}
.has-tip.tip-down::before {
  top: calc(100% + 4px);
  bottom: auto;
  border-top-color: transparent;
  border-bottom-color: var(--tip-bg);
}

.has-tip.tip-left::after {
  left: auto;
  right: calc(100% + 10px);
  bottom: 50%;
  transform: translateY(50%) translateX(4px);
}
.has-tip.tip-left::before {
  left: auto;
  right: calc(100% + 4px);
  bottom: 50%;
  transform: translateY(50%);
  border-top-color: transparent;
  border-right-color: var(--tip-bg);
}

.has-tip:hover::after,
.has-tip:hover::before,
.has-tip:focus-visible::after,
.has-tip:focus-visible::before,
.has-tip.tip-show::after,
.has-tip.tip-show::before {
  opacity: 1;
  visibility: visible;
}

.has-tip:hover::after,
.has-tip:focus-visible::after,
.has-tip.tip-show::after {
  transform: translateX(-50%) translateY(0);
}

.has-tip.tip-down:hover::after,
.has-tip.tip-down:focus-visible::after,
.has-tip.tip-down.tip-show::after {
  transform: translateX(-50%) translateY(0);
}

.has-tip.tip-left:hover::after,
.has-tip.tip-left:focus-visible::after,
.has-tip.tip-left.tip-show::after {
  transform: translateY(50%) translateX(0);
}

.touch-tip {
  position: fixed;
  z-index: 10001;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--tip-bg);
  color: var(--tip-text);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  max-width: min(260px, calc(100vw - 32px));
  text-align: center;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translate(-50%, calc(-100% - 8px));
  transition: opacity 0.18s, transform 0.18s;
}
.touch-tip.show {
  opacity: 1;
  transform: translate(-50%, calc(-100% - 12px));
}

.field-hint {
  font-size: 11px;
  line-height: 1.45;
  color: var(--sj-text-mute);
}

.side-panel-empty-title {
  font-weight: 600;
  color: var(--sj-text);
  margin-bottom: 6px !important;
}
.side-panel-empty-hint {
  font-size: 13px !important;
  color: var(--sj-text-dim);
}

/*  TOP BAR  */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--top-h);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  background: color-mix(in srgb, var(--sj-bg) 75%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--sj-line-soft);
}

.top-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sj-text);
}

.top-brand-text {
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.4px;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}

/* Search modal */
.search-modal-dialog {
  max-width: min(520px, calc(100vw - 24px));
  margin: 12px auto;
}

.search-modal-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 4px;
}

.search-field-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--sj-panel-2);
  border: 1px solid var(--sj-line-soft);
}
.search-field-wrap:focus-within {
  border-color: var(--sj-gold);
  background: var(--sj-panel);
}
.search-field-wrap i {
  color: var(--sj-text-mute);
  flex-shrink: 0;
  font-size: 15px;
}
.search-modal-input {
  border: 0;
  outline: none;
  background: transparent;
  color: var(--sj-text);
  width: 100%;
  font-size: 16px;
  font-family: inherit;
}
.search-modal-input::placeholder {
  color: var(--sj-text-mute);
}

.search-results--modal {
  position: static;
  max-height: min(50vh, 360px);
  border-radius: 12px;
}

.icon-btn {
  appearance: none;
  border: 1px solid var(--sj-line);
  background: var(--sj-panel-2);
  color: var(--sj-text);
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
  transition:
    transform 0.15s,
    background 0.15s,
    border-color 0.15s,
    color 0.15s;
}
.icon-btn i {
  display: block;
  line-height: 1;
  font-size: 17px;
}
.icon-btn:hover {
  background: var(--sj-panel);
  border-color: var(--sj-gold);
  color: var(--sj-gold-bright);
  transform: translateY(-1px);
}
.icon-btn.ghost {
  background: transparent;
  border-color: transparent;
}
.icon-btn.ghost:hover {
  background: var(--sj-panel-2);
}

/*  TAB BAR (Chrome-style)  */
.tree-tab-bar {
  position: fixed;
  top: var(--top-h);
  left: 0;
  right: 0;
  height: var(--tab-h);
  z-index: 49;
  display: flex;
  align-items: flex-end;
  gap: 0;
  background: var(--tab-bar-bg);
  border-bottom: 1px solid var(--sj-line-soft);
  overflow: hidden;
  padding-right: 4px;
}

.tree-tabs {
  display: flex;
  align-items: flex-end;
  flex: 1;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  padding: 0 4px 0 6px;
}

.tree-tab {
  appearance: none;
  border: 0;
  background: var(--tab-inactive);
  color: var(--sj-text-dim);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px 0 10px;
  min-width: 0;
  width: var(--tab-width, 120px);
  flex: 0 1 var(--tab-width, 120px);
  max-width: 180px;
  height: calc(var(--tab-h) - 5px);
  margin-top: 5px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  white-space: nowrap;
  position: relative;
  border-radius: 10px 10px 0 0;
  transition:
    background 0.12s ease,
    color 0.12s ease,
    height 0.12s ease,
    margin 0.12s ease,
    width 0.12s ease,
    flex-basis 0.12s ease;
}

.tree-tab::before,
.tree-tab::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 18px;
  background: var(--sj-line-soft);
  opacity: 0.55;
  pointer-events: none;
}
.tree-tab::before { left: 0; }
.tree-tab::after { right: 0; }

.tree-tab:first-child::before,
.tree-tab.active::before,
.tree-tab.active::after,
.tree-tab.active + .tree-tab::before,
.tree-tab:hover::before,
.tree-tab:hover::after,
.tree-tab:hover + .tree-tab::before {
  opacity: 0;
}

.tree-tab:hover {
  background: var(--tab-hover);
  color: var(--sj-text);
}

.tree-tab.active {
  color: var(--sj-text);
  background: var(--tab-active);
  height: var(--tab-h);
  margin-top: 0;
  z-index: 2;
  box-shadow:
    inset 0 -1px 0 var(--tab-active),
    0 -1px 0 var(--sj-line-soft);
}

.tree-tab.linked .tree-tab-name::after {
  content: " ♥";
  color: #e57373;
  font-size: 10px;
}

.tree-tab-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
  min-width: 0;
  line-height: 1.2;
}

.tree-tab-close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sj-text-mute);
  width: 20px !important;
  height: 20px !important;
  min-width: 20px;
  max-width: 20px;
  min-height: 20px;
  max-height: 20px;
  padding: 0 !important;
  margin: 0;
  border-radius: 50%;
  cursor: pointer;
  flex: 0 0 20px;
  align-self: center;
  box-sizing: border-box;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition:
    opacity 0.12s,
    background 0.12s,
    color 0.12s;
}
.tree-tab-close i {
  display: block;
  line-height: 1;
  font-size: 11px;
}
.tree-tab:hover .tree-tab-close,
.tree-tab.active .tree-tab-close {
  opacity: 1;
}
.tree-tab-close:hover {
  background: rgba(239, 68, 68, 0.18);
  color: var(--sj-danger);
}

.tree-tab-rename-input {
  flex: 1;
  background: var(--sj-panel);
  color: var(--sj-text);
  border: 1px solid var(--sj-gold);
  border-radius: 5px;
  font-size: 12px;
  font-family: inherit;
  padding: 2px 6px;
  outline: none;
  min-width: 0;
  width: 100%;
}

.tree-tab-add {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sj-text-mute);
  width: 32px;
  height: 32px;
  min-width: 32px;
  margin: 0 2px 4px 6px;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  align-self: flex-end;
  border-radius: 50%;
  transition:
    background 0.12s,
    color 0.12s;
}
.tree-tab-add i {
  display: block;
  line-height: 1;
  font-size: 14px;
}
.tree-tab-add:hover {
  background: var(--tab-hover);
  color: var(--sj-text);
}

/* Linked branches list in side panel */
.linked-branches-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.linked-branch-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.linked-branch-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--sj-panel-2);
  border: 1px solid var(--sj-line);
  border-radius: 10px;
  color: var(--sj-text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition:
    border-color 0.15s,
    background 0.15s;
  min-width: 0;
}
.linked-branch-btn:hover {
  border-color: var(--sj-gold);
  background: var(--sj-panel);
}
.linked-branch-btn i {
  color: #e57373;
  flex-shrink: 0;
}
.linked-branch-btn span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.linked-branch-btn .go-arrow {
  color: var(--sj-text-mute);
  font-size: 12px;
  flex-shrink: 0;
}
.linked-branch-unlink {
  appearance: none;
  border: 1px solid var(--sj-line);
  background: var(--sj-panel-2);
  color: var(--sj-text-mute);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  flex-shrink: 0;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}
.linked-branch-unlink:hover {
  background: rgba(239, 68, 68, 0.12);
  color: var(--sj-danger);
  border-color: var(--sj-danger);
}
.coparent-label {
  flex: 1;
  font-size: 13px;
  color: var(--sj-text-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Spouse node picker in modal */
.spouse-node-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--sj-line);
  border-radius: 10px;
  padding: 6px;
  background: var(--sj-panel-2);
}
.spouse-node-option {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--sj-text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition:
    background 0.12s,
    border-color 0.12s;
}
.spouse-node-option:hover {
  background: var(--sj-panel);
}
.spouse-node-option.selected {
  background: var(--sj-panel);
  border-color: var(--sj-gold);
  color: var(--sj-text);
}

/*  APP SHELL  */
.app-shell {
  position: fixed;
  inset: calc(var(--top-h) + var(--tab-h)) 0 0 0;
  display: grid;
  grid-template-columns: 1fr var(--side-w);
  transition: grid-template-columns 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.app-shell.collapsed {
  grid-template-columns: 1fr 0px;
}

/*  CANVAS  */
.canvas-wrap {
  position: relative;
  overflow: hidden;
  background-color: var(--sj-bg);
  background-image:
    radial-gradient(
      circle at 20% 0%,
      rgba(184, 134, 11, 0.06),
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 100%,
      rgba(44, 123, 255, 0.06),
      transparent 45%
    ),
    url("https://static.prod-images.emergentagent.com/jobs/e21444ef-87c5-422e-9f24-534dc3272c5f/images/f20fc53a96e73ec03816f21bf8e527d6d64a9520be898f571262cf4c03f52c31.png");
  background-size: auto, auto, 380px;
  background-blend-mode: normal, normal, soft-light;
}

[data-bs-theme="light"] .canvas-wrap {
  background-blend-mode: normal, normal, multiply;
}

canvas#familyTreeCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}
canvas#familyTreeCanvas.dragging {
  cursor: grabbing;
}

/* DOM overlay for selected node controls */
.overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.add-child-btn {
  position: absolute;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  background: var(--sj-blue);
  color: white;
  border: 3px solid var(--sj-bg);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(0.8);
  box-shadow: 0 6px 18px rgba(44, 123, 255, 0.5);
  transition:
    transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.18s;
  line-height: 1;
}
.add-child-btn i {
  display: block;
  line-height: 1;
  font-size: 16px;
}
.add-child-btn.visible {
  display: flex;
  transform: translate(-50%, -50%) scale(1);
}
.add-child-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 10px 24px rgba(44, 123, 255, 0.65);
}

/* Empty state */
.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--sj-text-dim);
  pointer-events: none;
  max-width: 400px;
  padding: 24px;
  background: color-mix(in srgb, var(--sj-panel) 72%, transparent);
  border: 1px solid var(--sj-line-soft);
  border-radius: var(--sj-radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--sj-shadow-md);
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 18px;
  background: var(--sj-gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.empty-state-icon i {
  display: block;
  line-height: 1;
  font-size: 30px;
  color: var(--sj-gold-bright);
  margin: 0;
}
.empty-state h3 {
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 26px;
  margin: 0 0 8px;
  color: var(--sj-text);
}
.empty-state-lead {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--sj-text-dim);
}
.empty-state p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}
.kbd {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--sj-line);
  background: var(--sj-panel-2);
  border-radius: 6px;
  font-weight: 600;
  font-size: 12px;
  color: var(--sj-text);
}
.plus-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--sj-blue);
  color: white;
  border-radius: 50%;
  font-size: 11px;
  vertical-align: -5px;
  line-height: 1;
  flex-shrink: 0;
}
.plus-chip i {
  font-size: 11px;
  line-height: 1;
}
.empty-state.hidden {
  display: none;
}

/* Zoom rail */
.zoom-rail {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 5;
}
.zoom-rail .icon-btn {
  background: color-mix(in srgb, var(--sj-panel) 90%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/*  BOTTOM TOOLBAR  */
.bottom-toolbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--bottom-pad);
  margin: 0 auto;
  width: fit-content;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  background: color-mix(in srgb, var(--sj-panel) 92%, transparent);
  border: 1px solid var(--sj-line);
  border-radius: 22px;
  box-shadow: var(--sj-shadow-lg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  z-index: 10;
  max-width: calc(100% - 24px);
}

/* Bottom-toolbar buttons stack the icon over a small text label so every
   action is self-explanatory on both desktop and mobile. */
.bottom-toolbar .tool-btn {
  flex-direction: column;
  gap: 4px;
  height: auto;
  min-height: 48px;
  min-width: 54px;
  padding: 7px 10px 6px;
  line-height: 1;
  align-items: center;
  justify-content: center;
}
.bottom-toolbar .tool-btn i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 18px;
  line-height: 1;
}
.bottom-toolbar .tool-btn .tool-label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.1;
  text-align: center;
}

.tool-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sj-text);
  height: 40px;
  min-width: 40px;
  padding: 0 14px;
  border-radius: var(--sj-radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition:
    background 0.18s,
    color 0.18s,
    transform 0.1s;
}
.tool-btn:hover {
  background: var(--sj-panel-2);
}
.tool-btn:active {
  transform: translateY(1px);
}
.tool-btn i {
  display: block;
  font-size: 17px;
  line-height: 1;
}
.tool-btn.primary {
  background: linear-gradient(
    135deg,
    var(--sj-gold) 0%,
    var(--sj-gold-bright) 100%
  );
  color: #1c1300;
}
.tool-btn.primary:hover {
  filter: brightness(1.08);
  background: linear-gradient(
    135deg,
    var(--sj-gold) 0%,
    var(--sj-gold-bright) 100%
  );
}
.tool-btn.danger {
  color: var(--sj-danger);
}
.tool-btn.danger:hover {
  background: rgba(239, 68, 68, 0.12);
}
.tool-btn.ghost {
  background: var(--sj-panel-2);
}
.tool-btn.ghost:hover {
  background: var(--sj-line-soft);
}
.tool-btn.wide {
  flex: 1;
  justify-content: center;
}

.tool-sep {
  width: 1px;
  height: 22px;
  background: var(--sj-line);
  margin: 0 2px;
  flex-shrink: 0;
}

/*  SIDE PANEL  */
.side-panel {
  position: relative;
  background: var(--sj-panel);
  border-left: 1px solid var(--sj-line-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.app-shell.collapsed .side-panel {
  transform: translateX(100%);
}

.side-panel-handle {
  display: none;
  height: 5px;
  width: 44px;
  background: var(--sj-line);
  border-radius: 99px;
  margin: 10px auto 0;
}

.side-panel-head {
  padding: 16px 18px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--sj-line-soft);
}
.side-panel-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--sj-gold-bright);
  margin-bottom: 4px;
}
.side-panel-title {
  margin: 0;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  color: var(--sj-text);
  word-break: break-word;
}

/* Empty placeholder */
.side-panel-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 28px;
  color: var(--sj-text-dim);
}
.placeholder-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--sj-panel-2);
  border: 1px dashed var(--sj-line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 28px;
  color: var(--sj-text-mute);
  padding: 0;
}
.placeholder-circle i {
  display: block;
  line-height: 1;
}
.side-panel-empty p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* Form body */
.side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--sj-text-dim);
  letter-spacing: 0.2px;
}
.field-row {
  display: flex;
  gap: 14px;
}
.field-half {
  flex: 1;
  min-width: 0;
}

.se-input {
  width: 100%;
  background: var(--sj-panel-2);
  color: var(--sj-text);
  border: 1px solid var(--sj-line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition:
    border-color 0.18s,
    background 0.18s,
    box-shadow 0.18s;
  resize: vertical;
}
.se-input:focus {
  border-color: var(--sj-gold);
  box-shadow: 0 0 0 3px var(--sj-gold-soft);
  background: var(--sj-panel);
}
.se-input::placeholder {
  color: var(--sj-text-mute);
}

textarea.se-input {
  min-height: 90px;
}

.image-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.image-row .se-input {
  flex: 1;
}
.image-preview {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px dashed var(--sj-line);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sj-text-mute);
  flex-shrink: 0;
  overflow: hidden;
}
.image-preview.has-img {
  border-style: solid;
  border-color: var(--sj-line);
}
.image-preview.has-img i {
  display: none;
}

/* Color */
.color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.se-color {
  appearance: none;
  -webkit-appearance: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--sj-line);
  background: var(--sj-panel-2);
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}
.se-color::-webkit-color-swatch-wrapper {
  padding: 0;
}
.se-color::-webkit-color-swatch {
  border: none;
  border-radius: 7px;
}
.se-color::-moz-color-swatch {
  border: none;
  border-radius: 7px;
}

.color-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--sj-line);
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s;
}
.swatch:hover {
  transform: scale(1.15);
}

.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.quick-actions .tool-btn {
  height: auto;
  padding: 15px 14px;
  font-size: 14px;
}

.autosave-hint {
  font-size: 12px;
  color: var(--sj-text-mute);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.16);
}
.autosave-hint i {
  color: var(--sj-success);
  font-size: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  line-height: 1;
}

/* Side panel collapsed: expand button */
.panel-expand-btn {
  position: fixed;
  right: 0;
  top: calc(var(--top-h) + var(--tab-h) + 16px);
  background: var(--sj-panel);
  border: 1px solid var(--sj-line);
  border-right: 0;
  color: var(--sj-text);
  width: 28px;
  height: 56px;
  padding: 0;
  border-radius: 10px 0 0 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sj-shadow-md);
  z-index: 40;
}
.panel-expand-btn i {
  display: block;
  line-height: 1;
  font-size: 14px;
}
.panel-expand-btn:hover {
  color: var(--sj-gold-bright);
  background: var(--sj-panel-2);
}

/*  MODALS / TOAST  */
.sj-modal {
  background: var(--sj-panel);
  color: var(--sj-text);
  border: 1px solid var(--sj-line);
  border-radius: 18px;
}
.sj-modal .modal-header,
.sj-modal .modal-footer {
  border-color: var(--sj-line-soft);
}

.sj-modal .modal-header {
  align-items: center;
  padding: 1rem 1.25rem;
  gap: 12px;
}

.sj-modal .modal-header .modal-title {
  margin: 0;
  line-height: 1.3;
}

/* Theme-aware close button — avoid btn-close-white (stuck white in light mode) */
.sj-modal .modal-header .btn-close {
  margin: 0;
  padding: 0.625rem;
  opacity: 0.5;
  filter: none;
  flex-shrink: 0;
  background-size: 0.85em;
}

[data-bs-theme="dark"] .sj-modal .modal-header .btn-close {
  filter: var(--bs-btn-close-white-filter);
  opacity: 0.65;
}

[data-bs-theme="light"] .sj-modal .modal-header .btn-close {
  filter: none;
  opacity: 0.45;
}

.sj-modal .modal-header .btn-close:hover {
  opacity: 0.85;
}

.sj-modal .modal-footer {
  padding: 0.875rem 1.25rem;
  gap: 8px;
}

.sj-modal .modal-body {
  padding: 1rem 1.25rem;
}

/* Settings modal */
.settings-modal-dialog {
  max-width: min(520px, calc(100vw - 32px));
}

.settings-modal,
.settings-modal .modal-body {
  overflow: visible;
}

.settings-modal-body {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 4px;
}

.settings-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sj-text-mute);
}

.settings-section-title i {
  color: var(--sj-gold-bright);
  font-size: 13px;
}

.settings-row-btn {
  appearance: none;
  width: 100%;
  border: 1px solid var(--sj-line-soft);
  background: var(--sj-panel-2);
  color: var(--sj-text);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  height: 50px;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background 0.15s,
    transform 0.15s;
}

.settings-row-btn:hover,
.settings-row-btn:focus-visible {
  border-color: var(--sj-gold);
  background: var(--sj-panel);
  color: var(--sj-text);
  transform: translateY(-1px);
}

.settings-row-btn.dropdown-toggle::after {
  display: none;
}

.settings-row-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--sj-gold-soft);
  color: var(--sj-gold-bright);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  padding: 0;
}
.settings-row-icon i {
  display: block;
  line-height: 1;
  font-size: 18px;
}

.settings-row-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
}

.settings-row-label {
  font-size: 15px;
  font-weight: 600;
}

.settings-row-hint {
  font-size: 13px;
  color: var(--sj-text-mute);
}

.settings-row-chevron {
  color: var(--sj-text-mute);
  font-size: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.settings-section + .settings-section {
  margin-top: 0;
}

.settings-section .settings-row-btn + .settings-row-btn {
  margin-top: 8px;
}

.settings-lang-dropdown {
  width: 100%;
}

.settings-lang-menu {
  background: var(--sj-panel);
  border: 1px solid var(--sj-line);
  border-radius: 14px;
  padding: 8px;
  margin-top: 8px !important;
  box-shadow: var(--sj-shadow-md);
}

.settings-lang-menu .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--sj-text);
  font-size: 14px;
}

.settings-lang-menu .dropdown-item:hover,
.settings-lang-menu .dropdown-item:focus {
  background: var(--sj-gold-soft);
  color: var(--sj-text);
}

.settings-lang-menu .dropdown-item .fi {
  width: 1.4em;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--sj-line-soft);
}

/* Format tabs (export/import modals) */
.format-tabs {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: var(--sj-panel-2);
  border: 1px solid var(--sj-line-soft);
  border-radius: 12px;
  margin-bottom: 14px;
}
.format-tab {
  flex: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--sj-text-dim);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition:
    background 0.15s,
    color 0.15s;
}
.format-tab i {
  display: block;
  line-height: 1;
  font-size: 14px;
}
.format-tab:hover {
  color: var(--sj-text);
}
.format-tab.active {
  background: var(--sj-panel);
  color: var(--sj-text);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}
.format-tab .format-hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--sj-text-mute);
}
.format-tab.active .format-hint {
  color: var(--sj-gold-bright);
}

.upload-row {
  margin-top: 12px;
}
.upload-row .tool-btn {
  border: 1px dashed var(--sj-line);
}

.sj-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 18px;
  background: var(--sj-panel);
  border: 1px solid var(--sj-line);
  border-radius: var(--sj-radius-pill);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--sj-shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s,
    transform 0.25s;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sj-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.sj-toast i {
  color: var(--sj-success);
}
.sj-toast.error i {
  color: var(--sj-danger);
}

/*  RESPONSIVE  */
@media (max-width: 860px) {
  :root {
    --top-h: 56px;
    --tab-h: 38px;
  }
  .tree-tab {
    max-width: 140px;
    font-size: 11px;
    padding: 0 6px 0 8px;
  }
  .tree-tab-add {
    width: 28px;
    height: 28px;
    min-width: 28px;
    margin-bottom: 5px;
  }

  .top-brand-text {
    display: none;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    height: 60vh;
    max-height: 80vh;
    border-left: 0;
    border-top: 1px solid var(--sj-line);
    border-radius: 22px 22px 0 0;
    transform: translateY(100%);
    z-index: 60;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.5);
  }
  .side-panel.open {
    transform: translateY(0);
  }
  .side-panel-handle {
    display: block;
  }
  .side-panel-head {
    padding-top: 8px;
  }

  .panel-expand-btn {
    display: none !important;
  }

  /* hide on mobile when panel closed */
  .app-shell.collapsed .side-panel {
    transform: translateY(100%);
  }

  .zoom-rail {
    display: none;
  }

  .bottom-toolbar {
    bottom: 14px;
    padding: 6px;
    gap: 4px;
  }
  /* Keep every action labelled on mobile; just tighten the buttons. */
  .bottom-toolbar .tool-btn {
    min-height: 42px;
    min-width: 46px;
    padding: 5px 7px;
  }
  .bottom-toolbar .tool-btn i {
    font-size: 17px;
  }
  .bottom-toolbar .tool-btn .tool-label {
    display: block;
    font-size: 10px;
  }
  /* Separators don't reflow cleanly once the pill wraps, so drop them. */
  .bottom-toolbar .tool-sep {
    display: none;
  }
}

@media (max-width: 480px) {
  .top-bar {
    gap: 8px;
    padding: 0 12px;
  }
}

/* Background preset buttons */
.bg-preset-btn {
  appearance: none;
  border: 2px solid var(--sj-line);
  background: var(--sj-panel-2);
  color: var(--sj-text);
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-family: inherit;
  transition:
    border-color 0.15s,
    transform 0.15s;
  width: 90px;
  margin-bottom: 45px;
  height: 44px;
}
.bg-preset-btn img {
  width: 70px;
  height: 44px;
  object-fit: cover;
  border-radius: 6px;
}
.bg-preset-btn:hover {
  border-color: var(--sj-gold);
  transform: translateY(-1px);
}
.bg-preset-btn.active {
  border-color: var(--sj-blue);
}

/* Scrollbar styling */
.side-panel-body::-webkit-scrollbar {
  width: 8px;
}
.side-panel-body::-webkit-scrollbar-track {
  background: transparent;
}
.side-panel-body::-webkit-scrollbar-thumb {
  background: var(--sj-line);
  border-radius: 4px;
}
.side-panel-body::-webkit-scrollbar-thumb:hover {
  background: var(--sj-text-mute);
}

.node-tooltip {
  position: absolute;
  max-width: 240px;
  background: rgba(20, 18, 28, 0.97);
  border: 1px solid var(--sj-line);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--sj-text);
  pointer-events: none;
  z-index: 20;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  white-space: pre-wrap;
  word-break: break-word;
}
.node-tooltip strong {
  color: var(--sj-gold);
  display: block;
  margin-bottom: 2px;
}
.node-tooltip span {
  color: var(--sj-text-mute);
}
.tool-btn:disabled,
.tool-btn.ghost:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Search results dropdown */
.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--sj-panel);
  border: 1px solid var(--sj-line);
  border-radius: var(--sj-radius);
  box-shadow: var(--sj-shadow-lg);
  z-index: 200;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
}
.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--sj-line-soft);
  transition: background 0.12s;
}
.search-result-item:last-child {
  border-bottom: 0;
}
.search-result-item:hover,
.search-result-item.active {
  background: var(--sj-panel-2);
}
.search-result-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--sj-text);
  flex: 1;
}
.search-result-name mark {
  background: none;
  color: var(--sj-gold-bright);
  font-weight: 700;
}
.search-result-branch {
  font-size: 11px;
  color: var(--sj-text-mute);
  white-space: nowrap;
  border: 1px solid var(--sj-line);
  border-radius: 6px;
  padding: 1px 7px;
}
.search-no-results {
  padding: 14px;
  text-align: center;
  color: var(--sj-text-mute);
  font-size: 13px;
}