:root {
  --bg: #0f1419;
  --panel: #161c24;
  --panel-2: #1c242e;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #4aa3ff;
  --accent-soft: rgba(74, 163, 255, 0.15);
  --link: #3a4654;
  --highlight: #ffd166;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.title-block h1 { margin: 0; font-size: 19px; font-weight: 650; }
.title-row { display: flex; align-items: center; gap: 12px; }
.back-btn {
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }
.subtitle { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.subtitle strong { color: var(--accent); }

.stats { display: flex; gap: 18px; color: var(--muted); font-size: 13px; }
.stats .stat strong { color: var(--text); font-size: 16px; display: block; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 24px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.search-wrap { position: relative; display: flex; align-items: center; gap: 10px; }
#search {
  width: 280px; max-width: 60vw; padding: 8px 12px;
  border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 14px; outline: none;
}
#search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-count { color: var(--muted); font-size: 12px; }

.toolbar-buttons { display: flex; align-items: center; }
.toolbar-buttons button {
  padding: 8px 14px; margin-left: 8px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel);
  color: var(--text); cursor: pointer; font-size: 13px; line-height: 1;
}
.toolbar-buttons button:hover { border-color: var(--accent); color: var(--accent); }
.toolbar-buttons .divider {
  width: 1px; height: 22px; background: var(--border); margin: 0 4px 0 12px;
}

/* Code <-> Name toggle */
.label-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); cursor: pointer; user-select: none;
}
.label-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.label-toggle .slider {
  position: relative; width: 38px; height: 20px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border); transition: background .15s, border-color .15s;
}
.label-toggle .slider::before {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text); transition: transform .15s;
}
.label-toggle input:checked + .slider { background: var(--accent-soft); border-color: var(--accent); }
.label-toggle input:checked + .slider::before { transform: translateX(18px); background: var(--accent); }
.label-toggle input:focus-visible + .slider { box-shadow: 0 0 0 3px var(--accent-soft); }
.label-toggle.disabled { opacity: 0.55; cursor: not-allowed; }
.label-toggle.disabled .slider { cursor: not-allowed; }
.view-toggle[hidden] { display: none !important; }
.label-toggle[hidden] { display: none !important; }

/* Stage / SVG canvas */
.stage { position: relative; flex: 1 1 auto; overflow: hidden; }
#svg {
  width: 100%; height: 100%; display: block;
  background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 26px 26px;
  cursor: grab;
}
#svg.panning { cursor: grabbing; }

.hint {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  background: rgba(22,28,36,0.9); border: 1px solid var(--border);
  color: var(--muted); font-size: 12px; padding: 6px 12px; border-radius: 999px;
  pointer-events: none;
}

.reporting-disclaimer {
  flex: 0 0 auto;
  padding: 7px 24px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: #f3c969;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
}

/* Links */
.link { fill: none; stroke: var(--link); stroke-width: 1.5px; }
.link.zero { stroke: #ff5c5c; stroke-width: 1.5px; }
.link.ownership-agree { stroke: #42d67d; stroke-width: 2px; }
.link.ownership-disagree { stroke: #ff5c5c; stroke-width: 2px; }
.link.ownership-missing { stroke: var(--muted); stroke-dasharray: 6 5; }
.link-hit {
  fill: none; stroke: transparent; stroke-width: 14px;
  cursor: pointer; pointer-events: stroke;
}
.link-hit:hover { stroke: var(--accent-soft); }
.arrowhead { fill: var(--link); }
.arrowhead-zero { fill: #ff5c5c; }
.arrowhead-agree { fill: #42d67d; }
.arrowhead-disagree { fill: #ff5c5c; }
.arrowhead-missing { fill: var(--muted); }
.arrowhead-extra { fill: var(--accent); }

/* Node boxes */
.node { cursor: pointer; }
.node-box {
  fill: var(--panel);
  stroke: var(--border);
  stroke-width: 1.5px;
}
.node:hover .node-box { stroke: var(--accent); }
.node.has-hidden .node-box { stroke-dasharray: 4 3; }

.node-id {
  fill: var(--text);
  font-weight: 650;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}
.node-code {
  fill: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}
.node-level {
  fill: var(--muted);
  font-size: 9.5px;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.node-source-level { text-transform: none; }
.node-count {
  fill: var(--accent);
  font-size: 10px;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  font-weight: 600;
}

.node.match .node-box {
  stroke: var(--highlight);
  stroke-width: 2.5px;
  fill: #2a2616;
}
.node.has-bank .node-box {
  stroke: #42d67d;
  stroke-width: 2.5px;
  fill: #10251a;
}
.node.match.has-bank .node-box {
  stroke: #7df0a8;
}
.node.bank-zero .node-box,
.node.match.bank-zero .node-box {
  stroke: #ff5c5c;
  stroke-width: 2.5px;
  fill: #321616;
}
.node.on-path .node-box {
  stroke: var(--highlight);
  stroke-width: 1.75px;
  fill: #211f12;
}
.node.dimmed { opacity: 0.22; }
.node.hidden { display: none; }
.link.hidden, .link-hit.hidden { display: none; }

/* Hover tooltip */
.tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  max-width: 340px; padding: 10px 12px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  font-size: 13px; line-height: 1.4;
}
.tooltip[hidden] { display: none; }
.tt-title { font-weight: 650; font-size: 14px; }
.tt-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.tt-pct { margin-top: 8px; font-size: 22px; font-weight: 650; color: var(--accent); }
.tt-attrs {
  margin-top: 8px; border-top: 1px solid var(--border);
  padding-top: 8px; border-collapse: collapse; width: 100%;
}
.tt-attrs td { padding: 2px 0; vertical-align: top; }
.tt-attrs td:first-child { color: var(--muted); padding-right: 14px; white-space: nowrap; }
.tt-attrs td:last-child { text-align: right; }
.tt-section {
  margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--border);
  color: #7df0a8; font-size: 12px; font-weight: 650;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.tt-bank { margin-top: 6px; border-top: 0; padding-top: 0; }

.loading-overlay {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7, 16, 28, 0.46);
  backdrop-filter: blur(3px);
}
.loading-overlay[hidden] { display: none; }
.loading-panel {
  width: min(420px, calc(100vw - 40px));
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 24px 24px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}
.loading-title { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.loading-percent { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
.loading-track {
  height: 12px; overflow: hidden; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--border);
}
.loading-fill {
  width: 0%; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #7df0a8);
  transition: width 140ms ease;
}

/* Property Attributes settings page */
.attr-page {
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  display: flex; align-items: flex-start; justify-content: center;
  overflow: auto; padding: 40px 20px;
}
.attr-page[hidden] { display: none; }
.attr-page-inner {
  width: 100%; max-width: 640px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 28px;
}
.attr-page-head h2 { margin: 0 0 4px; font-size: 20px; }
.attr-page-head p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.attr-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px;
}
.attr-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent;
}
.attr-row:hover { background: var(--panel-2); border-color: var(--border); }
.attr-row input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.attr-row span { font-size: 13px; }
.attr-empty {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.attr-page-foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border);
}
.attr-page-foot .spacer { flex: 1 1 auto; }
.attr-page-foot button {
  padding: 9px 16px; border-radius: 8px; cursor: pointer; font-size: 13px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
.attr-page-foot button:hover { border-color: var(--accent); color: var(--accent); }
.attr-page-foot button.primary {
  background: var(--accent); border-color: var(--accent); color: #06121f; font-weight: 600;
}
.attr-page-foot button.primary:hover { color: #06121f; filter: brightness(1.08); }

.config-page-inner { max-width: 520px; }
.config-list {
  display: grid;
  gap: 10px;
}
.config-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); cursor: pointer;
}
.config-row > span:first-child { font-weight: 600; }
.config-control { flex: 0 0 auto; }
.label-segments {
  display: grid;
  grid-template-columns: repeat(3, minmax(58px, 1fr));
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
}
.label-segments label { cursor: pointer; }
.label-segments input { position: absolute; opacity: 0; pointer-events: none; }
.label-segments span {
  display: block;
  padding: 6px 10px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}
.label-segments input:checked + span { background: var(--accent); color: #06121f; }
.label-segments input:focus-visible + span { box-shadow: 0 0 0 3px var(--accent-soft); }

@media (max-width: 520px) {
  .attr-list { grid-template-columns: 1fr; }
  .config-row { align-items: flex-start; flex-direction: column; gap: 10px; }
}

/* Code picker */
.picker {
  position: fixed; inset: 0 0 31px; z-index: 200;
  background: var(--bg);
  display: flex; align-items: flex-start; justify-content: center;
  overflow: auto; padding: 48px 20px;
}
.picker[hidden] { display: none; }
.picker-inner { width: 100%; max-width: 880px; }
.picker-head h2 { margin: 0 0 4px; font-size: 22px; }
.picker-head p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.period-field {
  display: grid; grid-template-columns: auto minmax(180px, 260px); gap: 12px;
  align-items: center; margin-bottom: 16px; color: var(--muted);
  font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em;
}
.period-field select {
  width: 100%; padding: 9px 34px 9px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  font-size: 14px; font-weight: 600; outline: none;
}
.period-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.period-field select:disabled { opacity: 0.6; cursor: wait; }
.picker-head #pickerSearch,
.picker-head #entitySearch {
  width: 100%; padding: 10px 14px; margin-bottom: 22px;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-size: 14px; outline: none;
}
.picker-head #entitySearch { margin-bottom: 10px; }
.picker-head #pickerSearch:focus,
.picker-head #entitySearch:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.picker-separator {
  margin: 18px 0 10px; color: var(--muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.entity-results {
  display: grid; gap: 8px; max-height: 260px; overflow: auto;
}
.entity-refine {
  margin-top: 12px; padding: 14px; border: 1px solid var(--border);
  border-radius: 12px; background: var(--panel);
}
.entity-refine[hidden] { display: none; }
.entity-selected { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.entity-selected strong { color: var(--accent); }
.picker-head #entityTargetSearch {
  width: 100%; padding: 10px 14px; margin-bottom: 10px;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 14px; outline: none;
}
.picker-head #entityTargetSearch:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.entity-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.entity-actions button {
  padding: 9px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
.entity-actions button:hover { border-color: var(--accent); color: var(--accent); }
.entity-actions button.primary {
  background: var(--accent); border-color: var(--accent); color: #06121f; font-weight: 600;
}
.entity-actions button.primary:hover { color: #06121f; filter: brightness(1.08); }
.entity-depth-controls {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.entity-depth-controls[hidden] { display: none; }
.entity-depth-controls label {
  display: flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12px;
}
.entity-depth-controls select {
  min-width: 78px; padding: 7px 9px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13px; outline: none;
}
.entity-depth-controls select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.entity-result {
  display: grid; grid-template-columns: minmax(90px, auto) 1fr auto; gap: 10px;
  align-items: center; text-align: left; width: 100%;
  padding: 10px 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
}
.entity-result:hover { border-color: var(--accent); background: var(--panel-2); }
.entity-code { color: var(--accent); font-size: 14px; font-weight: 650; }
.entity-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.entity-meta { color: var(--muted); font-size: 11px; white-space: nowrap; }
.entity-empty { color: var(--muted); font-size: 13px; margin: 0 0 4px; }
.picker-list {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.picker-card {
  display: flex; flex-direction: column; gap: 4px; text-align: left;
  padding: 14px 16px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
}
.picker-card:hover { border-color: var(--accent); background: var(--panel-2); }
.picker-code { font-size: 17px; font-weight: 650; color: var(--accent); }
.picker-name {
  font-size: 12px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.picker-meta { font-size: 11px; color: var(--muted); }
.picker-empty { color: var(--muted); font-size: 14px; grid-column: 1 / -1; }

@media (max-width: 520px) {
  .period-field { grid-template-columns: 1fr; gap: 6px; }
  .period-field select { max-width: none; }
}