/* The tree viewer (#44). Colours and type from the design system (site/design-system/: TreeNode). */
#gx {
  --tree-senior: #2F6B5D;   /* the senior line (Lisnaskea) */
  --tree-junior: #9A4A2E;   /* the junior line (Enniskillen and Tempo) */
  --tree-link: #8A7A5E;     /* ordinary branches */
  --tree-pill: #F5E8CC;     /* the "open" badge */
}

/* List / Tree switch in the search band */
.gx-views { display: inline-flex; border: 1px solid rgb(242 235 220 / 0.3); border-radius: 2px; overflow: hidden; }
.gx-view { display: inline-flex; align-items: center; gap: 0.45rem; min-height: 40px; padding: 0 0.9rem; color: var(--color-mist);
  font-size: 0.9rem; font-weight: 500; text-decoration: none; }
.gx-view:hover { color: var(--color-parchment); }
.gx-view[aria-current] { background: var(--color-gold); color: var(--color-night); }
.gx-view svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.gx-view svg circle { fill: currentColor; stroke: none; }
.gx-view[data-view="tree"] svg circle { fill: none; stroke: currentColor; }

/* the viewer: a toolbar over a stage that fills the screen below the site header */
.gx-tree-view { position: relative; display: flex; flex-direction: column; height: max(520px, calc(100vh - var(--gx-header, 88px)));
  background: var(--color-parchment); border-top: 1px solid var(--color-rule); }
.gx-tree-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 10px 16px; background: var(--color-card);
  border-bottom: 1px solid var(--color-rule); }
.gx-seg { display: inline-flex; border: 1px solid var(--color-rule); border-radius: 2px; overflow: hidden; }
.gx-seg button { min-height: 36px; padding: 0 12px; border: 0; background: transparent; color: var(--color-muted); font: 500 13px var(--font-sans); cursor: pointer; }
.gx-seg button + button { border-left: 1px solid var(--color-rule); }
.gx-seg button[aria-pressed="true"] { background: var(--color-lough); color: var(--color-parchment); }
.gx-centuries { display: flex; gap: 6px; overflow-x: auto; max-width: 100%; scrollbar-width: thin; }
.gx-centuries button { flex: none; min-height: 32px; padding: 0 11px; border: 1px solid var(--color-rule); border-radius: 999px; background: transparent;
  color: var(--color-muted); font: 500 12px var(--font-sans); font-variant-numeric: tabular-nums; cursor: pointer; }
.gx-centuries button[aria-pressed="true"] { border-color: var(--color-gold); background: var(--tree-pill); color: var(--color-gold-ink); }
.gx-tree-bar button:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 1px; }

.gx-tree-stage { position: relative; flex: 1; min-height: 0; overflow: hidden; }
.gx-tree-stage svg.gx-canvas { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
.gx-tree-stage svg.gx-canvas:active { cursor: grabbing; }
.gx-tree-status { position: absolute; inset: 0; display: grid; place-items: center; color: var(--color-muted-2); }
.gx-branch { display: none; }

.gx-tree-view .link { fill: none; stroke: var(--tree-link); stroke-width: 1.2; }
.gx-tree-view .link.sr { stroke: var(--tree-senior); stroke-width: 1.6; }
.gx-tree-view .link.jr { stroke: var(--tree-junior); stroke-width: 1.6; }
.gx-tree-view .link.trunk { stroke: var(--color-gold); stroke-width: 3.5; }
.gx-tree-view .link.dashed { stroke-dasharray: 3 5; }
.gx-tree-view .ruler rect { fill: var(--color-card); stroke: var(--color-rule); }
.gx-tree-view .ruler text { font: 600 10.5px var(--font-sans); letter-spacing: 0.1em; fill: var(--color-gold-ink); font-variant-numeric: tabular-nums; }

.gx-tree-view .node { cursor: pointer; }
.gx-tree-view .node:focus { outline: none; }
.gx-tree-view .node:focus-visible .sel-ring { display: inline; stroke-dasharray: 3 3; }
.gx-tree-view .dot { fill: var(--color-lough); stroke: var(--color-card); stroke-width: 2.5; }
.gx-tree-view .node.f .dot { fill: var(--color-burgundy); }
.gx-tree-view .node.chief .dot { fill: var(--color-gold); }
.gx-tree-view .node.focus .dot { stroke: var(--color-gold); stroke-width: 3; }
.gx-tree-view .sel-ring { fill: none; stroke: var(--color-gold); stroke-width: 2; display: none; }
.gx-tree-view .node.sel .sel-ring { display: inline; }
.gx-tree-view .halo { fill: none; stroke: var(--color-gold); stroke-width: 1.5; stroke-dasharray: 2 2.5; }
.gx-tree-view .nm { font: 600 16px var(--font-display); fill: var(--color-ink); }
.gx-tree-view .node.chief .nm { fill: var(--color-gold-ink); }
.gx-tree-view .sub { font: italic 500 13.5px var(--font-display); fill: var(--color-muted-2); }
.gx-tree-view .meta { font: 500 11px var(--font-sans); letter-spacing: 0.04em; fill: var(--color-muted-2); font-variant-numeric: tabular-nums; }
.gx-tree-view .node.chief .meta { fill: var(--color-gold-ink); font-weight: 600; }
.gx-tree-view .ribbon text { font: 600 10px var(--font-sans); letter-spacing: 0.16em; fill: var(--color-parchment); }
.gx-tree-view .ribbon .sr { fill: var(--tree-senior); }
.gx-tree-view .ribbon .jr { fill: var(--tree-junior); }
.gx-tree-view .sept-box { fill: var(--color-card); stroke: var(--color-gold); stroke-width: 1.2; }
.gx-tree-view .sept-nm { font: 700 19px var(--font-display); fill: var(--color-lough); }

.gx-tree-view .badge { cursor: pointer; }
.gx-tree-view .badge rect { fill: var(--tree-pill); stroke: var(--color-gold); stroke-width: 1.2; transition: fill 0.15s; }
.gx-tree-view .badge text { font: 600 11.5px var(--font-sans); fill: var(--color-gold-ink); font-variant-numeric: tabular-nums; }
.gx-tree-view .badge:hover rect, .gx-tree-view .badge:focus-visible rect { fill: var(--color-gold); }
.gx-tree-view .badge:hover text, .gx-tree-view .badge:focus-visible text { fill: var(--color-night); }
.gx-tree-view .badge:focus { outline: none; }
.gx-tree-view .chip { cursor: pointer; }
.gx-tree-view .chip rect { fill: var(--color-parchment-2); stroke: var(--color-rule); }
.gx-tree-view .chip:hover rect, .gx-tree-view .chip:focus-visible rect { stroke: var(--color-gold); }
.gx-tree-view .chip:focus { outline: none; }
.gx-tree-view .chip text { font: 500 12px var(--font-sans); fill: var(--color-muted-2); }
.gx-tree-view .chip .big { font: 600 15px var(--font-display); fill: var(--color-ink); }

/* controls laid over the stage */
.gx-tree-zoom { position: absolute; left: 16px; bottom: 16px; z-index: 2; display: grid; gap: 6px; }
.gx-tree-zoom button { width: 44px; height: 44px; border: 1px solid var(--color-rule); background: var(--color-card); border-radius: 2px;
  color: var(--color-ink); font-size: 18px; cursor: pointer; }
.gx-tree-zoom button:hover { border-color: var(--color-gold); }
.gx-tree-hint { position: absolute; z-index: 2; top: 12px; left: 16px; max-width: min(560px, calc(100% - 32px)); margin: 0; font-size: 12.5px;
  color: var(--color-muted-2); background: rgb(247 242 231 / 0.92); border: 1px solid var(--color-rule); padding: 6px 10px; }
.gx-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* the person panel (#54): beside the tree on a wide screen */
.gx-tree-panel { position: absolute; top: 0; right: 0; bottom: 0; width: 340px; overflow: auto; background: var(--color-card);
  border-left: 1px solid var(--color-rule); padding: 20px 20px 24px; box-sizing: border-box; }
.gx-tree-panel:focus { outline: none; }
.gx-tree-panel .eyebrow { margin: 0; }
.gx-tree-panel h2 { font: 600 30px/1.05 var(--font-display); color: var(--color-lough); margin: 6px 32px 2px 0; text-wrap: balance; }
.gx-tree-panel .alt { font: italic 19px var(--font-display); color: var(--color-muted-2); margin: 0 0 8px; }
.gx-tree-panel .gx-tags { margin: 8px 0 14px; }
.gx-tree-panel .gx-facts { grid-template-columns: 7rem 1fr; font-size: 14px; margin-bottom: 12px; }
.gx-tree-panel .gx-small { font-size: 12.5px; color: var(--color-muted-2); border-left: 2px solid var(--color-gold); padding-left: 10px; }
.gx-close { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border: 0; background: transparent; color: var(--color-muted);
  font-size: 24px; line-height: 1; cursor: pointer; }
.gx-close:hover { color: var(--color-ink); }
.gx-plink { background: none; border: 0; padding: 0; color: var(--color-gold-ink); text-decoration: underline; text-underline-offset: 3px;
  font: 600 16px var(--font-display); text-align: left; cursor: pointer; }
.gx-acts { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 14px; }
.gx-acts .btn-lough { min-height: 44px; padding: 0 16px; font-size: 14px; border: 0; cursor: pointer; }

/* phones (#53): a branch of rows instead of the canvas, and the panel as a sheet from the bottom */
.gx-narrow.gx-tree-view { height: auto; min-height: calc(100vh - var(--gx-header, 64px)); }
.gx-narrow .gx-tree-stage { overflow: visible; }
.gx-narrow svg.gx-canvas, .gx-narrow .gx-tree-zoom, .gx-narrow .gx-tree-hint, .gx-narrow .gx-wide-only { display: none; }
.gx-narrow .gx-branch { display: block; padding: 12px 16px 40px; }
.gx-narrow .gx-tree-bar { position: sticky; top: var(--gx-header, 64px); z-index: 5; }
.gx-narrow .gx-seg button, .gx-narrow .gx-centuries button { min-height: 44px; }  /* touch targets */
.gx-narrow .gx-tree-panel { position: fixed; top: auto; left: 0; right: 0; bottom: 0; width: auto; max-height: 75vh; z-index: 60;
  border-left: 0; border-top: 3px solid var(--color-gold); box-shadow: 0 -18px 40px rgb(11 30 26 / 0.35);
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
.gx-up { background: none; border: 0; color: var(--color-gold-ink); font: 600 13px var(--font-sans); padding: 8px 0; min-height: 44px; cursor: pointer; }
.gx-row { display: grid; grid-template-columns: 26px 1fr auto; align-items: center; gap: 8px; width: 100%; min-height: 56px; padding: 4px 0;
  background: none; border: 0; text-align: left; cursor: pointer; color: var(--color-ink); }
.gx-row .rail { align-self: stretch; position: relative; }
.gx-row .rail::before { content: ""; position: absolute; left: 12px; top: 0; bottom: 0; border-left: 1.5px solid var(--tree-link); }
.gx-row.last .rail::before { bottom: 50%; }
.gx-row .rail::after { content: ""; position: absolute; left: 7px; top: calc(50% - 6px); width: 11px; height: 11px; border-radius: 50%;
  background: var(--color-lough); border: 2px solid var(--color-parchment); }
.gx-row.f .rail::after { background: var(--color-burgundy); }
.gx-row.chief .rail::after { background: var(--color-gold); }
.gx-row .t b { display: block; font: 600 18px/1.1 var(--font-display); }
.gx-row.chief .t b { color: var(--color-gold-ink); }
.gx-row .t i { font: italic 15px var(--font-display); color: var(--color-muted-2); }
.gx-row .t small { display: block; font-size: 12px; color: var(--color-muted-2); }
.gx-row .go { color: var(--color-gold-ink); font-size: 22px; }
.gx-row.dim { opacity: 0.4; }
.gx-mfocus { background: var(--color-card); border: 1px solid var(--color-rule); border-top: 3px solid var(--color-gold); padding: 14px; margin: 6px 0 10px; }
.gx-mfocus .eyebrow { margin: 0; }
.gx-mfocus h2 { font: 600 28px/1.05 var(--font-display); color: var(--color-lough); margin: 4px 0 0; }
.gx-mfocus .alt { font: italic 18px var(--font-display); color: var(--color-muted-2); margin: 0 0 6px; }
.gx-mfocus .gx-detail { min-height: 44px; padding: 0 16px; margin-top: 10px; border: 0; font-size: 14px; cursor: pointer; }
.gx-sibs summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-size: 14px; color: var(--color-muted); }
.gx-kids-h { font: 600 11px var(--font-sans); letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-gold-ink); margin: 16px 0 2px; }
.gx-branch .gx-small { font-size: 14px; color: var(--color-muted-2); }

@media (prefers-reduced-motion: reduce) { .gx-tree-view * { transition: none !important; } }