/* ═══════════════════════════════════════════════════════════════════════════
   Relinkings — structure.

   Layout and components only. Every colour here is a custom property with a
   neutral fallback; css/samhan.css, loaded after this file, states the real
   palette in both themes. Adapted from Sebo's main.css, whose shell — imprint,
   lemma header, tool sidebar on the left, canvas with float buttons and a
   legend, detail drawer on the right, status bar — this application keeps.
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --sidebar-width: 340px;
  --drawer-width: 400px;
  --transition-fast: 0.15s ease;
  --border-radius: 2px;
  --border-radius-sm: 2px;
  --border-radius-lg: 2px;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: var(--color-bg, #23231E);
  color: var(--color-text-primary, #EDEAE0);
  font-size: 14px;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--acc2); text-decoration: none; }

::selection { background: var(--acc2); color: var(--pn); }

/* ── shell ───────────────────────────────────────────────────────────────── */

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
  min-height: 0;
}

.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-width: 0;
  background-color: var(--color-bg);
}

.view-container { display: none; flex: 1; flex-direction: column; min-height: 0; overflow: hidden; position: relative; }
.view-container.active { display: flex; }

.hidden { display: none !important; }
.w-full { width: 100%; }

/* ── sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  max-width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  z-index: 15;
  position: relative;
}
.sidebar.collapsed { display: none !important; }

.sidebar-header {
  height: 40px;
  padding: 0 var(--gutter, 18px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  font-family: var(--fm);
  font-size: 9.6px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.sidebar-header h2 { margin: 0; font: inherit; }

.sidebar-content { flex: 1; overflow-y: auto; overflow-x: hidden; }

/* A tool section is a disclosure: a hairline-ruled band whose head toggles. */
.tool-group {
  border-bottom: 1px solid var(--color-border);
}
.tool-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px var(--gutter, 18px);
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--fm);
  font-size: 9.6px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.tool-head:hover { color: var(--color-text-primary); background: var(--color-surface-hover); }
.tool-head .tool-mark {
  font-family: var(--fm);
  font-size: 9px;
  color: var(--acc);
  width: 8px;
  flex: 0 0 8px;
}
.tool-group.open > .tool-head { color: var(--color-text-primary); }
.tool-head .tool-n { margin-left: auto; color: var(--color-text-faint); letter-spacing: 0.06em; }

.tool-body {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 2px var(--gutter, 18px) 16px;
}
.tool-group.open > .tool-body { display: flex; }

.tool-note {
  font-size: 11px;
  line-height: 1.45;
  color: var(--color-text-faint);
}

/* ── form atoms ──────────────────────────────────────────────────────────── */

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.row { flex-direction: row; align-items: center; justify-content: space-between; gap: 10px; }
.form-group label,
.field-label {
  font-family: var(--fm);
  font-size: 9.4px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.text-input, .dropdown-input, .number-input {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: 2px;
  padding: 6px 8px;
  font-size: 12.5px;
  font-family: var(--font-family);
  outline: none;
  min-width: 0;
}
.number-input { width: 66px; text-align: right; font-family: var(--fm); font-size: 12px; }
.text-input:focus, .dropdown-input:focus, .number-input:focus { border-color: var(--color-accent-primary); }
.text-input::placeholder { color: var(--color-text-faint); }
.dropdown-input { padding-right: 6px; }

.check {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.check input { accent-color: var(--acc2); margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 2px;
  font-size: 12.5px;
  font-weight: 400;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-family);
  outline: none;
}
.btn:hover { color: var(--color-text-primary); border-color: var(--color-text-primary); }
.btn-primary { border-color: var(--acc2); color: var(--acc2); }
.btn-primary:hover { background-color: var(--acc2); color: var(--pn); border-color: var(--acc2); }
.btn-sm { padding: 3px 8px; font-size: 11px; }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn-row { display: flex; gap: 8px; }
.btn-row > .btn { flex: 1; }

/* chips — a multi-value input: each start is a struck token */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 5px;
  border: 1px solid var(--hair);
  border-radius: 2px;
  font-size: 11.5px;
  color: var(--color-text-primary);
  background: var(--color-bg);
}
.chip .chip-hj { font-family: var(--fh); }
.chip button {
  background: none; border: 0; padding: 0; line-height: 1;
  color: var(--color-text-faint); font-family: var(--fm); font-size: 11px;
}
.chip button:hover { color: var(--acc); }

.autocomplete-wrapper { position: relative; }
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0; right: 0;
  z-index: 60;
  max-height: 240px;
  overflow-y: auto;
  background: var(--pn);
  border: 1px solid var(--hair);
  border-radius: 2px;
}
.autocomplete-dropdown .ac-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 5px 8px;
  font-size: 12.5px;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
}
.autocomplete-dropdown .ac-item:last-child { border-bottom: 0; }
.autocomplete-dropdown .ac-item:hover,
.autocomplete-dropdown .ac-item.sel { background: var(--color-surface-hover); }
.ac-item .ac-name { font-family: var(--fh); color: var(--color-text-primary); }
.ac-item .ac-meta { font-family: var(--fm); font-size: 9.6px; letter-spacing: 0.06em; color: var(--color-text-faint); margin-left: auto; }

/* ── result lists ────────────────────────────────────────────────────────── */

.res-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--fm);
  font-size: 9.4px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
}
.res-head .res-sort { margin-left: auto; display: flex; gap: 7px; }
.res-head .res-sort button {
  background: none; border: 0; padding: 0;
  font: inherit; color: var(--color-text-faint);
}
.res-head .res-sort button.on { color: var(--acc2); }

.res-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: 2px;
}
.res-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 5px 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  cursor: pointer;
}
.res-row:last-child { border-bottom: 0; }
.res-row:hover { background: var(--color-surface-hover); }
.res-row.on { background: var(--color-surface-hover); box-shadow: inset 2px 0 0 var(--acc2); }
.res-row .r-name { font-family: var(--fh); color: var(--color-text-primary); white-space: nowrap; }
.res-row .r-arrow { color: var(--color-text-faint); font-family: var(--fm); font-size: 10px; }
.res-row .r-meta { margin-left: auto; font-family: var(--fm); font-size: 9.6px; letter-spacing: 0.05em; color: var(--color-text-secondary); white-space: nowrap; }
.res-row .r-circuit { color: var(--acc); }
.res-empty { padding: 10px 8px; font-size: 11.5px; color: var(--color-text-faint); }

/* a small hairline table used for compositions and stats */
.mini-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.mini-table th, .mini-table td {
  text-align: left;
  padding: 3px 6px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: baseline;
}
.mini-table th {
  font-family: var(--fm);
  font-size: 9.2px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-text-faint);
}
.mini-table td.num, .mini-table th.num { text-align: right; font-family: var(--fm); }
.mini-table td.hj { font-family: var(--fh); }

/* ── the canvas ──────────────────────────────────────────────────────────── */

#graph-view, #pgraph-view { position: relative; }
#graph-container, #pgraph-container { position: absolute; inset: 0; }
#graph-container svg, #pgraph-container svg { display: block; width: 100%; height: 100%; }

.canvas-floating-toolbar {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 20;
}
.canvas-float-btn {
  width: 28px;
  height: 28px;
  border-radius: 2px;
  background: var(--color-surface);
  border: 1px solid var(--hair);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fm);
  font-size: 12px;
  line-height: 1;
}
.canvas-float-btn:hover { color: var(--acc2); border-color: var(--acc2); }
.canvas-float-btn.on { color: var(--acc2); border-color: var(--acc2); }

.graph-legend {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 10;
  max-width: 260px;
  font-size: 11px;
}
.graph-legend .legend-title {
  font-family: var(--fm);
  font-size: 9.2px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.legend-item { display: flex; align-items: center; gap: 8px; }
.legend-edge-glyph { flex-shrink: 0; width: 34px; height: 14px; overflow: visible; display: block; }
.legend-label { display: flex; flex-direction: column; line-height: 1.25; }
.legend-rel { font-family: var(--fm); font-size: 10px; letter-spacing: 0.05em; color: var(--color-text-primary); }
.legend-sub { font-size: 9.5px; color: var(--color-text-secondary); white-space: nowrap; }
.legend-caption {
  margin-top: 4px;
  padding-top: 5px;
  border-top: 1px solid var(--color-border);
  font-size: 9.8px;
  line-height: 1.4;
  color: var(--color-text-secondary);
}
.legend-caption em { font-style: normal; color: var(--color-text-primary); }

.tooltip {
  position: absolute;
  background-color: var(--pn);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 6px 9px;
  font-size: 11.5px;
  line-height: 1.45;
  pointer-events: none;
  z-index: 100;
  max-width: 260px;
}
.tooltip .tt-name { font-family: var(--fh); font-size: 14px; color: var(--color-text-primary); }
.tooltip .tt-line { font-family: var(--fm); font-size: 9.6px; letter-spacing: 0.06em; color: var(--color-text-secondary); }

.canvas-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  font-family: var(--fd);
  font-style: italic;
  font-size: 15px;
  color: var(--color-text-faint);
  text-align: center;
  padding: 0 40px;
}

/* graph ink — set as attributes by js/graph.js, restated here for hover */
#graph-container .node { cursor: pointer; }
#graph-container .node text { pointer-events: none; user-select: none; }
#graph-container .lane-label, #pgraph-container .lane-label {
  font-family: var(--fm);
  font-size: 9px;
  letter-spacing: 0.14em;
  fill: var(--color-text-faint);
}
#graph-container .lane-rule, #pgraph-container .lane-rule { stroke: var(--g-lane); stroke-width: 1; }

/* ── the table view ──────────────────────────────────────────────────────── */

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px var(--gutter, 18px);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex: 0 0 auto;
}
.table-toolbar .spacer { flex: 1 1 auto; }
.table-scroll { flex: 1; overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th, .data-table td {
  text-align: left;
  padding: 4px 10px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  vertical-align: baseline;
}
.data-table th:first-child, .data-table td:first-child { padding-left: var(--gutter, 18px); }
.data-table th {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  font-family: var(--fm);
  font-size: 9.4px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-text-secondary);
  cursor: pointer;
  z-index: 2;
}
.data-table th.sorted { color: var(--acc2); }
.data-table td.hj { font-family: var(--fh); font-size: 13px; }
.data-table td.mono { font-family: var(--fm); font-size: 11px; }
.data-table tbody tr:hover { background: var(--color-surface-hover); }

/* ── the detail drawer ───────────────────────────────────────────────────── */

.right-drawer {
  width: var(--drawer-width);
  min-width: var(--drawer-width);
  background-color: var(--color-surface);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  z-index: 15;
}
.right-drawer.collapsed { display: none !important; }
.right-drawer .panel-header {
  height: 40px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  font-family: var(--fm);
  font-size: 9.6px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.right-drawer .panel-header h3 { margin: 0; font: inherit; }
.right-drawer .panel-content { flex: 1; overflow-y: auto; padding: 14px 16px 30px; }

.icon-btn {
  background: none;
  border: 0;
  color: var(--color-text-faint);
  font-family: var(--fm);
  font-size: 13px;
  line-height: 1;
  padding: 2px 4px;
}
.icon-btn:hover { color: var(--color-text-primary); }

.detail-empty { font-size: 12px; color: var(--color-text-faint); font-style: italic; }
.d-name { font-family: var(--fh); font-size: 26px; line-height: 1.15; color: var(--color-text-primary); }
.d-name .d-hangul { font-family: var(--fk); font-size: 15px; color: var(--color-text-secondary); margin-left: 8px; }
.d-sub {
  font-family: var(--fm);
  font-size: 9.6px;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin-top: 3px;
}
.d-fields { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 3px 10px; margin-top: 14px; font-size: 12.5px; }
.d-fields dt {
  font-family: var(--fm);
  font-size: 9.2px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding-top: 3px;
}
.d-fields dd { margin: 0; color: var(--color-text-primary); }
.d-fields dd.hj { font-family: var(--fh); font-size: 13.5px; }
.d-fields dd.mono { font-family: var(--fm); font-size: 11.5px; }
.d-fields dd.empty { color: var(--color-text-faint); }
.d-inferred { color: var(--acc); font-family: var(--fm); font-size: 9.2px; letter-spacing: 0.1em; }

.d-sec {
  margin-top: 18px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}
.d-sec > h4 {
  margin: 0 0 6px;
  font-family: var(--fm);
  font-size: 9.2px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-text-secondary);
}
.d-kin { display: flex; flex-direction: column; }
.d-kin button {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;
  font-size: 12.5px;
  color: var(--color-text-primary);
}
.d-kin button:last-child { border-bottom: 0; }
.d-kin button:hover { color: var(--acc2); }
.d-kin .k-name { font-family: var(--fh); font-size: 13.5px; }
.d-kin .k-meta { margin-left: auto; font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.06em; color: var(--color-text-faint); }

/* ── the status bar ──────────────────────────────────────────────────────── */

.bottom-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 26px;
  flex: 0 0 auto;
}
.bottom-status-bar .status-sep { color: var(--hair); }
.bottom-status-bar strong { color: var(--color-text-primary); font-weight: 400; }
.bottom-status-bar .spacer { flex: 1 1 auto; }

/* ── loading ─────────────────────────────────────────────────────────────── */

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--scrim);
}
.loading-card {
  width: min(420px, 88vw);
  background: var(--pn);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 20px 22px;
}
.loading-title { font-family: var(--fd); font-size: 22px; color: var(--ink); }
.loading-title .hj { font-family: var(--fh); color: var(--acc2); font-size: 15px; margin-left: 7px; }
.loading-text {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
  margin-top: 14px;
}
.loading-progress-track {
  height: 2px;
  background: var(--color-border);
  margin-top: 7px;
  overflow: hidden;
}
.loading-progress-bar { height: 2px; background: var(--acc2); width: 0; transition: width 0.2s ease; }
.loading-sub { font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.08em; color: var(--faint); margin-top: 7px; }
.loading-sub.err { color: var(--acc); }

/* ── the modal (Ideas, Glossary) ─────────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--scrim);
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.modal {
  width: min(720px, 94vw);
  max-height: 100%;
  overflow-y: auto;
  background: var(--pn);
  border: 1px solid var(--hair);
  border-radius: 2px;
}
.modal-header {
  position: sticky;
  top: 0;
  background: var(--pn);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 22px 10px;
  border-bottom: 1px solid var(--color-border);
}
.modal-header h3 {
  margin: 0;
  font-family: var(--fd);
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
}
.modal-body { padding: 14px 22px 24px; }
.modal-body > p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 62ch;
  margin: 0 0 16px;
}
.idea {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.idea:last-child { border-bottom: 0; }
.idea h4 {
  margin: 0 0 3px;
  font-family: var(--fd);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.idea h4 .idea-tag {
  font-family: var(--fm);
  font-size: 8.4px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--acc);
  color: var(--acc);
  padding: 2px 4px;
  margin-left: 8px;
  vertical-align: 3px;
}
.idea p { margin: 0; font-size: 12.5px; line-height: 1.55; color: var(--color-text-secondary); max-width: 68ch; }
.idea cite { font-style: normal; font-family: var(--fm); font-size: 10px; color: var(--color-text-faint); }

/* ── the lineage heat matrix ─────────────────────────────────────────────── */

.matrix-wrap { overflow: auto; max-height: 420px; border: 1px solid var(--color-border); }
.matrix-wrap svg { display: block; }
.matrix-wrap text { font-family: var(--fh); fill: var(--color-text-secondary); }
.matrix-wrap .m-cell { cursor: pointer; }
.matrix-wrap .m-cell:hover { stroke: var(--acc); stroke-width: 1.5; }

/* ── toasts ──────────────────────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 950;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.toast {
  background: var(--pn);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--acc2);
  border-radius: 2px;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--color-text-primary);
  max-width: 60ch;
}
.toast.warn { border-left-color: var(--acc); }

@media (max-width: 1100px) {
  .right-drawer { position: absolute; right: 0; top: 0; bottom: 0; }
}

/* ── the icon-only header action, as Sebo sets it ─────────────────────────── */
.topbar-action.is-icon-only { width: 26px; padding: 0; }
.topbar-action .btn-icon { font-size: 13px; line-height: 1; }

/* ── legend: the patriline names are editable in place ────────────────────── */
.legend-rel[contenteditable] { outline: none; cursor: text; }
.legend-rel[contenteditable]:focus { border-bottom: 1px solid var(--acc2); }
.legend-reset {
  float: right; background: none; border: 0; padding: 0;
  font-family: var(--fm); font-size: 8.6px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--acc);
}
.legend-reset:hover { color: var(--color-text-primary); }
.graph-legend { max-width: 288px; }

/* ── range sliders in the samhan grade: a rule and a mark, nothing filled ─── */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 118px; height: 14px; background: transparent; outline: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 1px; background: var(--hair);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 9px; height: 9px; margin-top: -4px; border-radius: 0;
  background: var(--color-surface); border: 1px solid var(--acc2);
}
input[type="range"]::-moz-range-track { height: 1px; background: var(--hair); }
input[type="range"]::-moz-range-thumb {
  width: 9px; height: 9px; border-radius: 0;
  background: var(--color-surface); border: 1px solid var(--acc2);
}
.form-group.row label .mono { color: var(--color-text-primary); margin-left: 5px; }

/* ── the canvas cursor: a sheet you push, not a page you point at ─────────── */
#graph-container, #pgraph-container { cursor: grab; }
#graph-container:active, #pgraph-container:active { cursor: grabbing; }

/* ── scrollbars in the ground's own tones ─────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--soft); }

/* A pair row carries a name, an arrow, a name and a verdict; when the verdict
   grows a kin type it wraps under rather than being cut off at the edge. */
.res-row { flex-wrap: wrap; row-gap: 1px; }
.res-row .r-meta { font-size: 9.2px; }
.res-row .r-class { font-family: var(--fm); font-size: 9.2px; color: var(--acc2); letter-spacing: 0.04em; }

/* ═══════════════════════════════════════════════════════════════════════════
   ROUND 3 — the four parts, the glossary, and the plain-language furniture.

   The sidebar is no longer nine numbered tools but four named parts, each
   opening onto a primer and then its own tools. A part is an accordion; only
   one is open at a time, so a reader is never looking at more than one kind of
   question. Nothing here changes what the tools do.
   ═══════════════════════════════════════════════════════════════════════════ */

.part { border-bottom: 1px solid var(--color-border); }
.part-head {
  width: 100%; display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; background: none; border: 0; text-align: left;
  font-family: var(--fd); font-size: 15px; letter-spacing: 0.005em;
  color: var(--color-text-secondary);
}
.part-head:hover { color: var(--color-text-primary); background: var(--color-surface-hover); }
.part.open > .part-head { color: var(--color-text-primary); }
.part-head .part-mark {
  font-family: var(--fm); font-size: 10px; letter-spacing: 0.1em;
  color: var(--acc2); border: 1px solid var(--color-border);
  width: 19px; height: 19px; display: inline-flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.part.open > .part-head .part-mark { border-color: var(--acc2); }
.part-head::after {
  content: '+'; margin-left: auto; font-family: var(--fm); font-size: 13px;
  color: var(--color-text-faint);
}
.part.open > .part-head::after { content: '−'; }
.part-body { display: none; padding: 0 0 10px; }
.part.open > .part-body { display: block; }

/* The primer. Running text, not a caption: it is meant to be read once. */
.primer {
  margin: 0 18px 12px; padding: 0 0 12px;
  border-bottom: 1px solid var(--hair);
  font-size: 12.8px; line-height: 1.62; color: var(--color-text-secondary);
  max-width: 62ch;
}
.primer strong { color: var(--color-text-primary); font-weight: 500; }
.primer-fig { margin: 0 18px 12px; }
.primer-fig svg { display: block; width: 100%; height: auto; }
.primer-fig figcaption, .primer-fig .cap {
  font-size: 10.6px; color: var(--color-text-faint); line-height: 1.45; margin-top: 5px;
}

/* A glossed word. Dotted, never coloured: the definition is a footnote, not a
   link, and crimson is reserved for what is unresolved. */
.gl {
  border-bottom: 1px dotted var(--color-text-faint);
  cursor: help;
}
.gl:hover { border-bottom-color: var(--acc2); color: var(--color-text-primary); }
.gloss-pop {
  position: fixed; z-index: 9600; max-width: 330px;
  background: var(--pn); border: 1px solid var(--color-border);
  padding: 9px 12px; box-shadow: none;
}
.gloss-pop .gp-term {
  font-family: var(--fm); font-size: 9.6px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--acc2); margin-bottom: 4px;
}
.gloss-pop .gp-def { font-size: 12.2px; line-height: 1.5; color: var(--color-text-primary); }
.gloss-pop .gp-hj { font-family: var(--fh); }

/* Tabs — chains or loops, one panel. */
.tabs { display: flex; gap: 0; margin: 0 18px 10px; border-bottom: 1px solid var(--color-border); }
.tabs .tab {
  background: none; border: 0; padding: 7px 14px 8px;
  font-family: var(--fm); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-faint);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs .tab:hover { color: var(--color-text-primary); }
.tabs .tab.on { color: var(--color-text-primary); border-bottom-color: var(--acc2); }
.tool-body.always { display: flex !important; }
.tab-pane { display: flex; flex-direction: column; gap: 10px; }
.tab-pane.hidden { display: none; }

.filter-block, .context-block {
  border-top: 1px solid var(--hair); padding-top: 10px;
  display: flex; flex-direction: column; gap: 9px;
}
.filter-head {
  font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--color-text-faint);
}
.context-block label { font-size: 12px; color: var(--color-text-secondary); }
.context-block label strong { color: var(--acc2); font-weight: 400; }
.context-scale {
  display: flex; justify-content: space-between;
  font-family: var(--fm); font-size: 9px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--color-text-faint); margin-top: -6px;
}

/* Result rows that say what they are, in words. */
.res-list.tall { max-height: 460px; }
.res-row.said { flex-direction: column; align-items: flex-start; gap: 2px; }
.res-row .r-said {
  font-size: 12.1px; line-height: 1.45; color: var(--color-text-secondary);
  width: 100%;
}
.res-row .r-said .hj { font-family: var(--fh); color: var(--color-text-primary); font-size: 13px; }
.res-row .r-tags {
  display: flex; flex-wrap: wrap; gap: 8px; width: 100%;
  font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.06em;
  color: var(--color-text-faint);
}
.res-row .r-tags .kt { color: var(--acc2); cursor: help; border-bottom: 1px dotted var(--acc2); }

/* Progress, for work that takes long enough to need one. */
.progress-track { height: 2px; background: var(--hair); width: 100%; }
.progress-bar { height: 2px; background: var(--acc2); width: 0; transition: width 0.15s linear; }

/* The apparatus list. */
.au-kind {
  font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--color-text-faint);
  margin: 12px 0 3px; display: flex; align-items: baseline; gap: 7px;
}
.au-kind .n { color: var(--color-text-secondary); }
.au-item {
  display: block; width: 100%; text-align: left; background: none;
  border: 0; border-bottom: 1px solid var(--hair);
  padding: 7px 8px; color: var(--color-text-secondary); font: inherit; font-size: 12px;
}
.au-item:hover { background: var(--color-surface-hover); }
.au-item .au-msg { display: block; line-height: 1.45; }
.au-item .au-msg .hj { font-family: var(--fh); color: var(--color-text-primary); font-size: 13px; }
.au-item .au-folio {
  display: block;
  font-family: var(--fm); font-size: 9.2px; letter-spacing: 0.06em;
  color: var(--color-text-faint); margin-top: 3px;
}
.au-sev { font-family: var(--fm); font-size: 9px; letter-spacing: 0.1em; margin-right: 6px; }
.au-sev.error { color: var(--acc); }
.au-sev.warning { color: var(--color-text-primary); }
.au-sev.note { color: var(--color-text-faint); }

/* Sebo's Tools button, and the Reset that is always in the same place. */
.nav-toggle-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 4px 11px; font-family: var(--fm); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--color-border); background: none;
  color: var(--color-text-secondary); margin-right: 14px;
}
.nav-toggle-btn:hover { color: var(--color-text-primary); border-color: var(--color-text-primary); }
.nav-btn-icon { font-size: 12px; }
.reset-btn {
  margin-left: auto; margin-right: 8px;
  font-family: var(--fm); font-size: 9.6px; letter-spacing: 0.11em;
  text-transform: uppercase; background: none;
  border: 1px solid var(--color-border); color: var(--color-text-secondary);
  padding: 3px 9px;
}
.reset-btn:hover { color: var(--acc); border-color: var(--acc); }

/* The breadcrumb: what is on the canvas, said in one line. */
.canvas-breadcrumb {
  position: absolute; top: 10px; left: 14px; z-index: 40;
  max-width: 60%; display: flex; align-items: baseline; gap: 8px;
  font-size: 11.6px; color: var(--color-text-secondary);
  background: var(--pn); border: 1px solid var(--color-border);
  padding: 5px 11px;
}
.canvas-breadcrumb.empty { display: none; }
.canvas-breadcrumb .bc-what {
  font-family: var(--fm); font-size: 9.2px; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--color-text-faint);
}
.canvas-breadcrumb .bc-hj { font-family: var(--fh); font-size: 13px; color: var(--color-text-primary); }

/* The tour. Three steps, one at a time, over the thing being pointed at. */
.tour-card {
  position: fixed; z-index: 9700; width: 340px;
  background: var(--pn); border: 1px solid var(--acc2); padding: 15px 17px 13px;
}
.tour-card .t-step {
  font-family: var(--fm); font-size: 9.4px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--acc2);
}
.tour-card h4 { margin: 5px 0 6px; font-family: var(--fd); font-size: 17px; font-weight: 400; color: var(--color-text-primary); }
.tour-card p { margin: 0 0 11px; font-size: 12.4px; line-height: 1.55; color: var(--color-text-secondary); }
.tour-card .t-row { display: flex; gap: 8px; align-items: center; }
.tour-card .t-row .spacer { flex: 1; }

/* The glossary, both as a drawer list and as the modal. */
.gloss-entry { padding: 9px 8px; border-bottom: 1px solid var(--hair); }
.gloss-entry:last-child { border-bottom: 0; }
.gloss-entry .ge-term {
  font-family: var(--fm); font-size: 10.4px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--color-text-primary);
}
.gloss-entry .ge-hj { font-family: var(--fh); font-size: 12.5px; color: var(--acc2); margin-left: 7px; }
.gloss-entry .ge-def { font-size: 12.2px; line-height: 1.5; color: var(--color-text-secondary); margin-top: 3px; max-width: 66ch; }
.gloss-cols { column-count: 2; column-gap: 34px; }
@media (max-width: 900px) { .gloss-cols { column-count: 1; } }
.gloss-cols .gloss-entry { break-inside: avoid; }

/* The sub-block tree of the core. */
.tree-node { padding: 3px 0 3px 12px; border-left: 1px solid var(--hair); margin-left: 5px; }
.tree-node .tn-head {
  font-family: var(--fm); font-size: 9.8px; letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}
.tree-node .tn-hj { font-family: var(--fh); font-size: 12px; color: var(--color-text-primary); }
.tree-leaf > .tn-head { color: var(--acc2); }

/* The null-model bars: observed against the mean of the shuffles. */
.nm-row { display: grid; grid-template-columns: 92px 1fr 84px; gap: 9px; align-items: center; padding: 3px 0; }
.nm-row .nm-k { font-family: var(--fm); font-size: 10.2px; line-height: 1.3; color: var(--color-text-primary); }
.nm-row .nm-k.kt { cursor: help; }
.nm-row .nm-bars { position: relative; height: 13px; }
.nm-row .nm-obs { position: absolute; left: 0; top: 0; height: 6px; background: var(--acc2); }
.nm-row .nm-exp { position: absolute; left: 0; top: 7px; height: 6px; background: var(--color-text-faint); opacity: 0.55; }
.nm-row .nm-z { font-family: var(--fm); font-size: 9.6px; text-align: right; color: var(--color-text-secondary); }
.nm-row .nm-z.sig { color: var(--acc); }
.nm-key { display: flex; gap: 14px; font-family: var(--fm); font-size: 9.2px; letter-spacing: 0.1em; color: var(--color-text-faint); margin: 6px 0 4px; }
.nm-key i { display: inline-block; width: 14px; height: 5px; margin-right: 5px; font-style: normal; vertical-align: middle; }

.tool-group.settings { border-top: 1px solid var(--color-border); }
.tool-group.settings > .tool-head { color: var(--color-text-faint); }
.tour-lit { outline: 2px solid var(--acc2); outline-offset: 2px; }

/* Legibility, round 3. The tool heads were 9.6 px uppercase mono, which is a
   label on a machine, not a heading in a book; the notes were 11 px grey. Both
   go up, and the notes take the secondary ink rather than the faint one. */
.tool-head { font-size: 10.4px; letter-spacing: 0.12em; }
.tool-note { font-size: 11.8px; line-height: 1.5; color: var(--color-text-secondary); }
.part-body .tool-group:last-child { border-bottom: 0; }
.part-body .tool-group { border-bottom-color: var(--hair); }
.form-group label, .check { font-size: 12.2px; }
.res-empty { font-size: 12px; }