:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3f9;
  --fg: #0f172a;
  --fg-muted: #526077;
  --border: #dce3ee;
  --accent: #0b63ce;
  --accent-soft: #e7f0fd;
  --fact: #0b63ce;
  --fact-soft: #e8f1fd;
  --dim: #0f766e;
  --dim-soft: #e6f6f4;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --code-bg: #f8fafc;
  --code-fg: #1e293b;
  --code-border: #dce4f0;
  --code-accent-bar: #93c5fd;
  --tok-kw: #0550ae;
  --tok-fn: #6d28d9;
  --tok-str: #116329;
  --tok-cmt: #64748b;
  --shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
  --radius: 12px;
}

[data-theme="dark"] {
  --bg: #0b1120;
  --surface: #111827;
  --surface-alt: #1e293b;
  --fg: #e5e7eb;
  --fg-muted: #94a3b8;
  --border: #283548;
  --accent: #60a5fa;
  --accent-soft: #172554;
  --fact: #60a5fa;
  --fact-soft: #172554;
  --dim: #2dd4bf;
  --dim-soft: #134e4a;
  --ok: #4ade80;
  --ok-bg: #052e16;
  --warn: #fbbf24;
  --warn-bg: #451a03;
  --bad: #f87171;
  --bad-bg: #450a0a;
  --code-bg: #172235;
  --code-fg: #e2e8f0;
  --code-border: #2b3b54;
  --code-accent-bar: #3b82f6;
  --tok-kw: #7dd3fc;
  --tok-fn: #c4b5fd;
  --tok-str: #6ee7b7;
  --tok-cmt: #94a3b8;
  --shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Inter, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.58;
  font-size: 14px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre {
  font-family: "Cascadia Code", Consolas, "SFMono-Regular", Menlo, monospace;
}

/* Catalog Topbar */
.topbar {
  background: linear-gradient(135deg, #072854 0%, #0b63ce 100%);
  color: #fff;
  padding: 24px 32px 0 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.14);
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1560px;
  margin: 0 auto;
}
.topbar h1 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: -0.015em; }
.topbar p { margin: 4px 0 0 0; opacity: 0.9; font-size: 13px; }
.top-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 1560px;
  margin: 18px auto 0 auto;
}
.top-tab {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 10px 10px 0 0;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.top-tab:hover { background: rgba(255,255,255,0.22); }
.top-tab.active {
  background: var(--bg);
  color: var(--fg);
}
.btn-ghost {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.25); text-decoration: none; }
.theme-icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.26);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.theme-icon-btn:hover { background: rgba(255,255,255,0.26); }
.theme-icon-btn.surface-btn {
  background: var(--surface-alt);
  border-color: var(--border);
  color: var(--fg);
  width: 30px;
  height: 30px;
  border-radius: 8px;
}
.theme-icon-btn.surface-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.theme-icon-btn .icon-sun { display: none; }
[data-theme="dark"] .theme-icon-btn .icon-moon { display: none; }
[data-theme="dark"] .theme-icon-btn .icon-sun { display: block; }

.catalog-wrap {
  max-width: 1560px;
  margin: 0 auto;
  padding: 24px 32px 56px 32px;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Model Page Layout */
.doc-shell {
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
  min-height: 100vh;
}
.doc-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.doc-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  padding: 7px 11px;
  border-radius: 8px;
  background: var(--accent-soft);
}
.doc-brand h2 {
  font-size: 16.5px;
  margin: 0;
  line-height: 1.3;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.doc-brand .sub {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.doc-search {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--fg);
  font-size: 12.5px;
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.toc-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
}
.toc-list a:hover, .toc-list a.active {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}
.toc-count {
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--surface-alt);
  padding: 1px 7px;
  border-radius: 999px;
}
.doc-main {
  padding: 28px 32px 68px 32px;
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

/* Sections & KPIs */
.section {
  margin-bottom: 38px;
  scroll-margin-top: 20px;
}
.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
.section-header h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-header .hint {
  font-size: 12.5px;
  color: var(--fg-muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 17px;
  box-shadow: var(--shadow);
}
.kpi-card .val {
  font-size: 25px;
  font-weight: 750;
  color: var(--accent);
  line-height: 1.15;
}
.kpi-card .lbl {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
  font-weight: 500;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--surface-alt);
  color: var(--fg);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge-accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge-fact { background: var(--fact-soft); color: var(--fact); border-color: transparent; }
.badge-dim { background: var(--dim-soft); color: var(--dim); border-color: transparent; }
.badge-ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge-warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge-bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }

/* Findings */
.finding-list { display: grid; gap: 8px; }
.finding {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 15px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.finding.bad { border-left: 4px solid var(--bad); background: var(--bad-bg); }
.finding.warn { border-left: 4px solid var(--warn); background: var(--warn-bg); }
.finding.ok { border-left: 4px solid var(--ok); background: var(--ok-bg); }
.finding strong { display: block; font-size: 13.5px; }
.finding span { font-size: 12.5px; color: var(--fg-muted); }

/* Filter Bar & Cards */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
  background: var(--surface);
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.filter-bar input[type="search"] {
  flex: 1 1 280px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--fg);
  font-size: 13.5px;
}
.chip-btn {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--fg);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.chip-btn.active, .chip-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 16px;
}
.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.model-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}
.model-card h3 { margin: 0; font-size: 16px; }
.model-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.model-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--fg-muted);
}
.model-stats b { color: var(--fg); font-size: 14px; display: block; }
.card-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}
.eyebrow-type {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 6px;
}
.card-footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--fg-muted);
  padding-top: 6px;
}
.app-switcher {
  display: inline-flex;
  background: rgba(255,255,255,0.12);
  padding: 4px;
  border-radius: 11px;
  border: 1px solid rgba(255,255,255,0.24);
  gap: 4px;
  align-items: center;
}
.app-switcher a, .app-switcher span {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 650;
  text-decoration: none;
  color: #fff;
}
.app-switcher .active-seg {
  background: #fff;
  color: #072854;
  font-weight: 700;
}
.view-toggle {
  display: inline-flex;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 3px;
  gap: 2px;
}
.view-btn {
  border: none;
  background: transparent;
  color: var(--fg-muted);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}
.view-btn.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}
.sort-select {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--fg);
  font-size: 12px;
  font-weight: 600;
}
.ws-group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.ws-group-card > summary {
  padding: 13px 18px;
  cursor: pointer;
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 700;
  font-size: 14px;
  list-style: none;
}
.ws-group-card > summary::-webkit-details-marker { display: none; }
.ws-group-body { padding: 14px 16px; }
th.sortable-th { cursor: pointer; user-select: none; }
th.sortable-th:hover { color: var(--accent); }

/* Tables */
.table-scroll {
  width: 100%;
  overflow-x: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}
table.data-table {
  width: 100%;
  table-layout: auto;
  border-collapse: collapse;
  font-size: 12.5px;
}
table.data-table th {
  text-align: left;
  padding: 9px 10px;
  background: var(--surface-alt);
  color: var(--fg);
  font-weight: 650;
  border-bottom: 1px solid var(--border);
  line-height: 1.25;
}
table.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}
table.data-table td code,
table.data-table td b,
table.data-table td a {
  overflow-wrap: anywhere;
  word-break: break-word;
}
table.data-table td .badge {
  white-space: nowrap;
}
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: rgba(11, 99, 206, 0.03); }

/* Visual Power Query Pipeline Ribbon */
.pq-pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 9px;
  margin: 10px 0;
}
.pq-step {
  display: inline-flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 9px;
  font-size: 11.5px;
  line-height: 1.25;
}
.pq-step b { color: var(--fg); font-weight: 650; }
.pq-step small { color: var(--fg-muted); font-size: 10px; font-family: "Cascadia Code", Consolas, monospace; }
.pq-arrow { color: var(--fg-muted); font-size: 12px; font-weight: 700; }

details.m-script-toggle {
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}
details.m-script-toggle > summary {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--surface-alt);
}

/* Structured DAX Measure Cards */
.dax-table-group {
  margin-bottom: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.dax-table-group > summary {
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14.5px;
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}
.dax-table-group > summary::-webkit-details-marker { display: none; }
.dax-folder {
  padding: 16px 18px;
  border-top: 1px solid var(--border);
}
.dax-folder-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
  margin: 0 0 10px 0;
}
.dax-tier-label {
  font-size: 12.5px;
  font-weight: 650;
  color: var(--accent);
  margin: 12px 0 8px 0;
}
.measure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 12px;
}
.measure-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 15px;
  background: var(--surface);
  scroll-margin-top: 24px;
  display: flex;
  flex-direction: column;
}
.measure-card:target {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.measure-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
.measure-name { font-weight: 700; font-size: 14px; color: var(--fg); }
.measure-desc { font-size: 12.5px; color: var(--fg-muted); margin: 2px 0 8px 0; }
.code-block {
  position: relative;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--code-border);
  border-left: 3px solid var(--code-accent-bar);
  border-radius: 8px;
  padding: 11px 74px 11px 14px;
  overflow-x: hidden;
  font-size: 12.5px;
  line-height: 1.56;
  margin: 4px 0;
}
.code-block pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; }
.copy-btn {
  position: absolute;
  top: 7px;
  right: 8px;
  background: var(--surface);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.copy-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.kw { color: var(--tok-kw); font-weight: 650; }
.fn { color: var(--tok-fn); font-weight: 550; }
.str { color: var(--tok-str); }
.cmt { color: var(--tok-cmt); font-style: italic; }

.dep-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--fg-muted);
}
.dep-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
}
.dep-chip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* Expandable Table Blueprints */
details.table-blueprint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
details.table-blueprint > summary {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 650;
  background: var(--surface);
}
details.table-blueprint[open] > summary {
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}
.blueprint-body { padding: 14px 16px; }

/* 3-Panel Interactive Live Lineage Explorer */
.lineage-app {
  display: grid;
  grid-template-columns: 205px minmax(0, 1fr) 235px;
  height: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.lin-left {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--surface-alt);
}
.lin-left-top {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lin-left-top input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--fg);
  font-size: 12px;
}
.lin-layer-pills { display: flex; flex-wrap: wrap; gap: 4px; }
.lin-pill {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-muted);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.lin-pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lin-nav-list {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.lin-nav-item {
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  padding: 7px 9px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.lin-nav-item:hover { background: var(--surface); border-color: var(--border); }
.lin-nav-item.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.lin-nav-item small { color: var(--fg-muted); font-size: 10.5px; overflow-wrap: anywhere; word-break: break-word; }

.lin-center {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
}
.lin-toolbar {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  flex-wrap: wrap;
}
.lin-toolbar-actions { display: flex; gap: 6px; align-items: center; }
.lin-btn {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--fg);
  border-radius: 6px;
  padding: 4px 9px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
}
.lin-btn.active, .lin-btn:hover { border-color: var(--accent); color: var(--accent); }
.lin-canvas-scroll { position: relative; flex: 1 1 auto; overflow-y: auto; overflow-x: hidden; padding: 12px; }
.lin-columns {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 12px;
  width: 100%;
  min-width: 0;
  z-index: 2;
}
.lin-col { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.lin-col-hdr {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  padding-bottom: 5px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 3px;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.lin-node {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 7px 9px;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(15,23,42,0.05);
  transition: transform 0.1s, border-color 0.12s, opacity 0.15s;
  font-size: 11.5px;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.lin-node:hover { border-color: var(--accent); transform: translateY(-1px); }
.lin-node .n-title { font-weight: 650; overflow-wrap: anywhere; word-break: break-word; line-height: 1.25; }
.lin-node .n-sub { font-size: 10.5px; color: var(--fg-muted); margin-top: 2px; overflow-wrap: anywhere; word-break: break-word; }
.lin-node.is-focus {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 3px rgba(11, 99, 206, 0.18);
}
.lin-node.is-upstream { border-left: 4px solid #0f766e; }
.lin-node.is-downstream { border-left: 4px solid #7c3aed; }
.lin-node.is-muted { opacity: 0.22; }
svg.lin-svg { position: absolute; top: 0; left: 0; pointer-events: none; z-index: 1; }

.lin-right {
  border-left: 1px solid var(--border);
  padding: 14px 16px;
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12.5px;
}
.lin-right h4 { margin: 0; font-size: 14.5px; word-break: break-word; }
.lin-kv { font-size: 12px; color: var(--fg-muted); }
.lin-list { display: flex; flex-wrap: wrap; gap: 5px; }

/* Interactive Mermaid Relationship Shell (@jakubpokusa PR #10) */
.mermaid-shell {
  margin: 8px 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.mermaid-shell.is-fallback-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  border-radius: 0;
  display: flex;
  flex-direction: column;
}
body.mermaid-fallback-fullscreen { overflow: hidden; }
.mermaid-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--fg-muted);
  font-size: 12px;
}
.mermaid-toolbar .mermaid-hint { margin-right: auto; }
.mermaid-toolbar button {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--fg);
  padding: 4px 9px;
  font-size: 12px;
  cursor: pointer;
}
.mermaid-toolbar button:hover { border-color: var(--accent); color: var(--accent); }
.mermaid-viewport {
  width: 100%;
  max-height: 62vh;
  overflow: hidden;
  padding: 16px;
  cursor: grab;
}
.mermaid-viewport.is-panning { cursor: grabbing; user-select: none; }
.mermaid-viewport pre.mermaid { margin: 0; background: transparent; border: 0; padding: 0; }
.mermaid-viewport svg { display: block; max-width: none !important; height: auto !important; }
svg.mermaid-interactive .node,
svg.mermaid-interactive .edgePath,
svg.mermaid-interactive .edgeLabel,
svg.mermaid-interactive .flowchart-link {
  cursor: pointer;
  transition: opacity 0.15s ease;
}
svg.mermaid-interactive.is-dimmed .node,
svg.mermaid-interactive.is-dimmed .edgePath,
svg.mermaid-interactive.is-dimmed .edgeLabel,
svg.mermaid-interactive.is-dimmed .flowchart-link { opacity: 0.18; }
svg.mermaid-interactive.is-dimmed .node.is-related,
svg.mermaid-interactive.is-dimmed .node.is-selected,
svg.mermaid-interactive.is-dimmed .edgePath.is-related,
svg.mermaid-interactive.is-dimmed .edgePath.is-selected,
svg.mermaid-interactive.is-dimmed .edgeLabel.is-related,
svg.mermaid-interactive.is-dimmed .edgeLabel.is-selected,
svg.mermaid-interactive.is-dimmed .flowchart-link.is-related,
svg.mermaid-interactive.is-dimmed .flowchart-link.is-selected { opacity: 1; }
svg.mermaid-interactive .node.is-selected rect { stroke: var(--accent) !important; stroke-width: 3px !important; }

@media (max-width: 1100px) {
  .doc-shell { grid-template-columns: 1fr; }
  .doc-sidebar { position: relative; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .lineage-app { grid-template-columns: 1fr; height: auto; }
  .measure-grid { grid-template-columns: 1fr; }
}