/* =========================================================
   Mason Signature Experience — Knowledge Base
   Official William & Mary palette:
     W&M Green   #115740   primary
     W&M Gold    #B9975B   secondary
     Spirit Gold #F0B323   highlight
     Silver      #D0D3D4   neutral
     Slate       #54585A   neutral-deep
   Reader-first typography, generous whitespace, dark-mode aware.
   ========================================================= */

:root {
  --bg: #f7f5ee;            /* warm parchment */
  --paper: #ffffff;
  --surface: #fbf9f1;
  --ink: #161616;
  --muted: #54585a;         /* W&M slate */
  --faint: #8a8a8a;
  --rule: #e6e2d3;
  --rule-soft: #efeada;
  --silver: #d0d3d4;        /* W&M silver */

  --green: #115740;         /* W&M Green */
  --green-deep: #0c3f2d;
  --green-soft: #e2efe8;
  --gold: #b9975b;          /* W&M Gold */
  --gold-deep: #8a6e3d;
  --gold-soft: #f5edd9;
  --spirit: #f0b323;        /* W&M Spirit Gold */
  --spirit-deep: #c98e1c;
  --spirit-soft: #fcecbf;

  --accent: var(--green);
  --accent-strong: var(--green-deep);
  --accent-soft: var(--green-soft);

  --code-bg: #f1ecdb;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 0 rgba(0,0,0,0.02);
  --shadow-lg: 0 24px 48px -16px rgba(0,0,0,0.20), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-brand: 0 1px 0 rgba(255,255,255,0.08) inset, 0 -1px 0 rgba(0,0,0,0.18) inset;

  --topbar-h: 48px;
  --sidebar-w: 320px;
  --chat-w: 420px;

  --graph-bg: #fbf9f1;
  --graph-edge: #b9a87d;
  --graph-label: #3a3a3a;

  --ui-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Newsreader", "Charter", "Iowan Old Style", "Georgia", serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14160f;
    --paper: #1c1f17;
    --surface: #1a1d15;
    --ink: #ecebe2;
    --muted: #b6b4a6;
    --faint: #7c7a6c;
    --rule: #2c2f24;
    --rule-soft: #25281e;
    --silver: #3a3d3e;

    --green: #6fbb98;
    --green-deep: #8ad0b1;
    --green-soft: #1d2e25;
    --gold: #d5b97f;
    --gold-deep: #e7cd96;
    --gold-soft: #2e271a;
    --spirit: #f5c459;
    --spirit-deep: #f9d57e;
    --spirit-soft: #3a2e16;

    --accent: var(--green);
    --accent-strong: var(--green-deep);
    --accent-soft: var(--green-soft);

    --code-bg: #25281b;
    --shadow-lg: 0 24px 48px -16px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);

    --graph-bg: #14160f;
    --graph-edge: #4a4231;
    --graph-label: #d6d3c5;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui-font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar reader";
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* ============================================================
   GATE
   ============================================================ */
body.locked > .topbar,
body.locked > .sidebar,
body.locked > .reader,
body.locked > .chat-toggle,
body.locked > .chat,
body.locked > .settings {
  display: none !important;
}

.gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(1200px 800px at 70% 110%, rgba(185, 151, 91, 0.18), transparent 60%),
    radial-gradient(900px 600px at 20% 0%, rgba(17, 87, 64, 0.18), transparent 65%),
    linear-gradient(180deg, #0c3f2d 0%, #0a2a20 100%);
  color: #f7f5ee;
  font-family: var(--ui-font);
}

.gate-card {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 38px 42px 30px;
  width: min(92vw, 420px);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.gate-mark {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.025em;
  line-height: 1;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: baseline;
}
.gate-mark-w,
.gate-mark-m { color: #f7f5ee; }
.gate-mark-amp {
  color: #b9975b;
  font-style: italic;
  font-weight: 500;
  font-size: 0.78em;
  margin: 0 -0.06em;
  vertical-align: baseline;
}

.gate-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 4px;
}
.gate-sub {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(247, 245, 238, 0.62);
  margin: 0 0 28px;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
}
.gate-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(247, 245, 238, 0.6);
  text-align: left;
}
#gate-input {
  font: inherit;
  font-size: 15px;
  background: rgba(247, 245, 238, 0.08);
  color: #f7f5ee;
  border: 1px solid rgba(247, 245, 238, 0.2);
  border-radius: 8px;
  padding: 11px 14px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
  font-family: var(--mono);
}
#gate-input:focus {
  border-color: var(--spirit);
  box-shadow: 0 0 0 3px rgba(240, 179, 35, 0.22);
}
#gate-input.shake { animation: shake .35s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* Gate button — always W&M Spirit Gold regardless of theme, since the gate
   itself is hard-coded dark. Selectors are specific enough to win over .primary-btn. */
.gate .gate-submit,
.gate-form .gate-submit {
  background: #f0b323;
  color: #2a1f00;
  margin-top: 4px;
  border: 1px solid #c98e1c;
}
.gate .gate-submit:hover,
.gate-form .gate-submit:hover { background: #c98e1c; color: #2a1f00; }

.gate-error {
  color: #ff9c8a;
  font-size: 12.5px;
  text-align: left;
  margin-top: 2px;
}
.gate-foot {
  margin: 26px 0 0;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(247, 245, 238, 0.4);
}

/* ============================================================
   TOPBAR
   ============================================================ */
/* Topbar — always W&M Green regardless of OS theme. The brand banner
   should not wash out in dark mode. */
.topbar {
  grid-area: topbar;
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-h);
  padding: 0 18px 0 22px;
  background: linear-gradient(180deg, #115740 0%, #0c3f2d 100%);
  color: #f7f5ee;
  border-bottom: 1px solid rgba(0,0,0,0.28);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 -1px 0 rgba(0,0,0,0.22) inset;
}
.topbar-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}
.brand-mark {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.025em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}
.brand-mark .bm-w,
.brand-mark .bm-m { color: #f7f5ee; }
.brand-mark .bm-amp {
  color: #b9975b;
  font-style: italic;
  font-weight: 500;
  font-size: 0.78em;
  margin: 0 -0.06em;
  vertical-align: baseline;
}

.topbar-title {
  font-family: var(--ui-font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(247, 245, 238, 0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.topbar-link {
  font-family: var(--ui-font);
  font-size: 13px;
  font-weight: 500;
  color: rgba(247, 245, 238, 0.78);
  padding: 6px 10px;
  border-radius: 6px;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
}
.topbar-link:hover {
  background: rgba(247, 245, 238, 0.1);
  color: #ffffff;
  text-decoration: none;
}
.topbar-link.active {
  background: rgba(247, 245, 238, 0.14);
  color: #ffffff;
  box-shadow: inset 0 -2px 0 var(--spirit);
}
.topbar-link.as-btn { font: inherit; font-weight: 500; font-size: 13px; }

@media (max-width: 720px) {
  .topbar-title { display: none; }
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  grid-area: sidebar;
  background: var(--surface);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--topbar-h));
  position: sticky;
  top: var(--topbar-h);
  overflow: hidden;
}

.sidebar-header {
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--rule-soft);
}

#search {
  width: 100%;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  outline: none;
  transition: border-color .12s ease, box-shadow .12s ease;
}
#search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.nav {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 10px 8px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.nav::-webkit-scrollbar { width: 8px; }
.nav::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }

.nav-section { margin-top: 10px; }
.nav-section:first-child { margin-top: 0; }

.nav-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  text-align: left;
  border-radius: 6px;
}
.nav-section-header:hover { color: var(--ink); background: var(--rule-soft); }
.nav-section-header .count { color: var(--faint); font-weight: 500; }
.nav-section-header .caret {
  margin-left: auto;
  font-size: 10px;
  transition: transform .18s ease;
  color: var(--faint);
}
.nav-section.collapsed .caret { transform: rotate(-90deg); }
.nav-section.collapsed .nav-list { display: none; }

/* Section colour swatches mirror the graph legend */
.section-swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
  background: var(--silver);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}
.section-top .section-swatch { background: #8a8a8a; }
.section-deliverable .section-swatch { background: var(--spirit); }
.section-concepts .section-swatch { background: var(--green); }
.section-archetypes .section-swatch { background: var(--gold); }
.section-programs .section-swatch { background: var(--muted); }

.nav-list { list-style: none; margin: 2px 0 8px; padding: 0; }
.nav-list li { margin: 0; }
.nav-link {
  display: block;
  padding: 5px 12px;
  margin: 0 4px;
  font-size: 13.5px;
  color: var(--muted);
  border-radius: 5px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color .1s ease, color .1s ease;
  cursor: pointer;
  line-height: 1.4;
}
.nav-link:hover { background: var(--rule-soft); color: var(--ink); text-decoration: none; }
.nav-link.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-left-color: var(--accent);
  font-weight: 600;
}

.nav-link .nav-link-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--gold-deep);
  margin-right: 6px;
}
.nav-link.active .nav-link-tag { color: var(--accent); }

.sidebar-footer {
  border-top: 1px solid var(--rule-soft);
  padding: 12px 22px;
  font-size: 12px;
  color: var(--faint);
  display: flex;
  gap: 8px;
  align-items: center;
}
.sidebar-footer .dot { color: var(--rule); }
.sidebar-footer a { color: var(--muted); }
.sidebar-footer a:hover { color: var(--accent); }
.link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
}
.link-btn:hover { color: var(--accent); }

/* ============================================================
   READER
   ============================================================ */
.reader {
  grid-area: reader;
  background: var(--bg);
  overflow-y: auto;
  height: calc(100vh - var(--topbar-h));
  position: relative;
}
.reader-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 64px 200px;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  font-feature-settings: "kern" on, "liga" on, "onum" on;
}

@media (max-width: 900px) {
  body { grid-template-columns: 1fr; grid-template-areas: "topbar" "reader"; }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 30;
    width: var(--sidebar-w);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: translateX(0); }
  .reader-content { padding: 44px 28px 200px; font-size: 17px; }
}

.reader-content h1,
.reader-content h2,
.reader-content h3,
.reader-content h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.25;
  color: var(--ink);
}
.reader-content h1 {
  font-size: 38px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.reader-content h1 + p,
.reader-content h1 + blockquote { margin-top: 8px; }
.reader-content h2 {
  font-size: 24px;
  margin: 48px 0 10px;
  padding-top: 10px;
}
.reader-content h3 {
  font-size: 19px;
  margin: 32px 0 6px;
}
.reader-content h4 {
  font-size: 16.5px;
  margin: 22px 0 4px;
  color: var(--muted);
}

.reader-content p { margin: 0 0 1em; }
.reader-content strong { font-weight: 600; color: var(--ink); }
.reader-content em { font-style: italic; }

.reader-content blockquote {
  margin: 24px 0;
  padding: 12px 22px;
  border-left: 3px solid var(--gold);
  background: var(--gold-soft);
  color: var(--ink);
  font-style: italic;
  border-radius: 0 6px 6px 0;
}
.reader-content blockquote p:last-child { margin-bottom: 0; }

.reader-content ul, .reader-content ol {
  padding-left: 26px;
  margin: 0 0 1em;
}
.reader-content li { margin: 0.3em 0; }
.reader-content li::marker { color: var(--gold); }

.reader-content hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
}

.reader-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--green-deep);
}
.reader-content pre {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.5;
}
.reader-content pre code {
  background: none;
  padding: 0;
  color: var(--ink);
  font-size: inherit;
}

.reader-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--ui-font);
  font-size: 14px;
}
.reader-content th, .reader-content td {
  border-bottom: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.reader-content th { font-weight: 600; color: var(--ink); background: var(--surface); }

.reader-content a {
  color: var(--accent);
  text-decoration: none;
  background-image: linear-gradient(transparent calc(100% - 1px), var(--accent) 1px);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: color .12s ease;
}
.reader-content a:hover {
  color: var(--accent-strong);
  background-image: linear-gradient(transparent calc(100% - 2px), var(--accent-strong) 2px);
}
.reader-content a.external::after {
  content: " ↗";
  color: var(--faint);
  font-family: var(--ui-font);
  font-size: 0.85em;
}

.reader-content .frontmatter {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 14px;
  font-family: var(--ui-font);
  font-size: 12.5px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 0 0 28px;
}
.reader-content .frontmatter dt {
  font-weight: 600;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
  align-self: center;
}
.reader-content .frontmatter dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}

.crumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--ui-font);
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.crumb a { color: var(--faint); }
.crumb a:hover { color: var(--accent); }
.crumb span.sep { opacity: .5; }

/* ============================================================
   HOME
   ============================================================ */
.home-hero {
  font-family: var(--serif);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 30px;
  margin-bottom: 28px;
  position: relative;
}
.home-hero::before {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 18px;
  border-radius: 2px;
}
.home-hero h1 {
  font-size: 44px;
  margin: 0 0 10px;
  letter-spacing: -0.022em;
}
.home-hero .lede {
  font-size: 19px;
  color: var(--muted);
  margin: 0;
}
.home-hero .meta {
  margin-top: 18px;
  font-family: var(--ui-font);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.home-hero .meta strong { color: var(--green); font-weight: 600; }

.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
@media (max-width: 720px) {
  .home-grid { grid-template-columns: 1fr; }
}
.home-card {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 18px 20px;
  background: var(--paper);
  font-family: var(--ui-font);
  transition: border-color .15s, transform .15s, box-shadow .15s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.home-card:hover {
  border-color: var(--gold);
  transform: translateY(-1px);
  text-decoration: none;
  background-image: none;
  box-shadow: 0 6px 18px -10px rgba(185, 151, 91, 0.4);
}
.home-card .h {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.home-card .d { font-size: 13.5px; color: var(--muted); line-height: 1.5; }
.home-card .n {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   GRAPH VIEW
   ============================================================ */
.graph-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px 28px 16px;
  background: var(--graph-bg);
}
.graph-view[hidden] { display: none !important; }
.graph-hover[hidden] { display: none !important; }

.graph-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.graph-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 4px;
  color: var(--ink);
}
.graph-sub {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  max-width: 70ch;
  line-height: 1.55;
}

.graph-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--ui-font);
  font-size: 12px;
  color: var(--muted);
}
.graph-control {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
}
.graph-control input[type="range"] {
  accent-color: var(--green);
  width: 110px;
}
.graph-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
}
.graph-toggle input { accent-color: var(--green); }

.graph-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--ui-font);
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--rule);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-item .dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 9px;
}
.legend-concept .dot { background: var(--green); }
.legend-archetype .dot { background: var(--gold); }
.legend-program .dot { background: var(--muted); }
.legend-deliverable .dot { background: var(--spirit); }
.legend-top .dot { background: #8a8a8a; }

.graph-canvas {
  flex: 1 1 auto;
  min-height: 480px;
  background:
    radial-gradient(ellipse at 30% 20%, var(--gold-soft) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 80%, var(--green-soft) 0%, transparent 60%),
    var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.02);
}

.graph-node.dim { opacity: 0.18; }
.graph-edge.dim { opacity: 0.06; }
.graph-label.dim { opacity: 0.15; }
.graph-node.hot { filter: drop-shadow(0 0 6px rgba(240, 179, 35, 0.55)); }
.graph-edge.hot { stroke: var(--spirit) !important; stroke-opacity: 0.9 !important; stroke-width: 1.6 !important; }
.graph-label.hot { font-weight: 600; }

.graph-hover {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  pointer-events: none;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 10px 12px;
  min-width: 200px;
  max-width: 320px;
  font-family: var(--ui-font);
  font-size: 12px;
}
.graph-hover .hover-title {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.graph-hover .hover-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  margin-bottom: 6px;
  word-break: break-all;
}
.graph-hover .hover-deg {
  display: flex;
  gap: 6px;
}
.hover-pill {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--muted);
  background: var(--surface);
}
.hover-pill.in { color: var(--green-deep); border-color: var(--green-soft); background: var(--green-soft); }
.hover-pill.out { color: var(--gold-deep); border-color: var(--gold-soft); background: var(--gold-soft); }

/* ============================================================
   CHAT
   ============================================================ */
.chat-toggle {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 16px;
  background: var(--green);
  color: white;
  border: none;
  border-radius: 999px;
  font-family: var(--ui-font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: transform .15s ease, background-color .15s ease;
  letter-spacing: -0.005em;
  border: 1px solid var(--green-deep);
}
.chat-toggle:hover { background: var(--green-deep); transform: translateY(-1px); text-decoration: none; }
.chat-toggle.hidden,
body.mode-askai .chat-toggle { display: none; }

.chat-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--spirit);
  color: var(--green-deep);
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
}

.chat {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: var(--chat-w);
  max-width: 100vw;
  background: var(--paper);
  border-left: 1px solid var(--rule);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transform: translateX(100%);
  transition: transform .25s cubic-bezier(.2,.7,.2,1);
}
.chat[open], .chat.open { transform: translateX(0); }
.chat[hidden] { display: none; }

.chat-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(180deg, var(--green-soft) 0%, transparent 100%);
}
.chat-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--green-deep);
}
.chat-sub {
  font-size: 11.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.chat-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--muted);
  cursor: pointer;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  line-height: 1;
  padding: 0;
}
.icon-btn:hover { background: var(--rule-soft); color: var(--ink); }

.chat-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}

.chat-empty {
  margin: 12px 0;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.6;
}
.chat-empty p { margin: 0 0 14px; }

.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.suggestion {
  text-align: left;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color .12s, background-color .12s;
  line-height: 1.45;
}
.suggestion:hover { border-color: var(--green); background: var(--green-soft); color: var(--green-deep); }

.msg {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.msg .role {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  font-weight: 600;
}
.msg.user .role { color: var(--green); }
.msg .bubble {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}
.msg.user .bubble {
  background: var(--green-soft);
  border: 1px solid color-mix(in srgb, var(--green) 18%, transparent);
  padding: 10px 12px;
  border-radius: 10px 10px 4px 10px;
  align-self: flex-end;
  max-width: 92%;
}
.msg.assistant .bubble {
  border: none;
  padding: 2px 0;
}
.msg.assistant .bubble p:first-child { margin-top: 0; }
.msg.assistant .bubble p:last-child { margin-bottom: 0; }
.msg.assistant .bubble h1,
.msg.assistant .bubble h2,
.msg.assistant .bubble h3 {
  font-family: var(--serif);
  font-size: 16px;
  margin: 14px 0 6px;
}
.msg.assistant .bubble code { font-family: var(--mono); font-size: 12.5px; background: var(--code-bg); padding: 1px 4px; border-radius: 3px; }
.msg.assistant .bubble pre { background: var(--code-bg); border-radius: 6px; padding: 10px 12px; overflow-x: auto; font-size: 12.5px; }
.msg.assistant .bubble ul, .msg.assistant .bubble ol { padding-left: 22px; margin: 4px 0 8px; }
.msg.assistant .bubble blockquote { border-left: 2px solid var(--gold); padding-left: 10px; color: var(--muted); margin: 6px 0; font-style: italic; }
.msg.assistant .bubble a { color: var(--green); }

.msg.error .bubble {
  color: #8a2a1d;
  background: #fbecea;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
}
@media (prefers-color-scheme: dark) {
  .msg.error .bubble { color: #f7c7be; background: #4a221c; }
}

.thinking {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  color: var(--faint);
  font-size: 13px;
  padding: 2px 0;
}
.thinking-dot {
  width: 5px; height: 5px; background: var(--faint); border-radius: 50%;
  animation: blink 1.2s infinite ease-in-out;
}
.thinking-dot:nth-child(2) { animation-delay: .2s; }
.thinking-dot:nth-child(3) { animation-delay: .4s; }
@keyframes blink {
  0%, 60%, 100% { opacity: .25; }
  30% { opacity: 1; }
}

.chat-form {
  border-top: 1px solid var(--rule);
  padding: 12px 14px 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
  background: var(--paper);
}
#chat-input {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 10px 12px;
  resize: none;
  max-height: 160px;
  outline: none;
  font-family: var(--ui-font);
  line-height: 1.45;
  transition: border-color .12s, box-shadow .12s;
}
#chat-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }

.primary-btn {
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  background: var(--green);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color .12s;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.primary-btn:hover { background: var(--green-deep); }
.primary-btn:disabled { background: var(--faint); cursor: not-allowed; opacity: .7; }

@media (max-width: 540px) {
  .chat { width: 100%; }
  .chat-toggle-label { display: none; }
  .chat-toggle { padding: 14px; }
}

/* ============================================================
   SETTINGS DIALOG
   ============================================================ */
.settings {
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 0;
  max-width: 460px;
  width: 92vw;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}
.settings::backdrop {
  background: rgba(12, 63, 45, 0.45);
  backdrop-filter: blur(2px);
}
.settings-form {
  padding: 24px 26px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--ui-font);
}
.settings-form h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.012em;
}
.settings-help {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 6px;
}
.settings-help code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
}
.settings-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
}
.settings-form input[type="password"],
.settings-form input[type="text"],
.settings-form select {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 10px 12px;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  font-family: var(--mono);
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
.settings-form select { font-family: var(--ui-font); }
.settings-form input:focus, .settings-form select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-soft);
}
.settings-hint {
  font-size: 11.5px;
  color: var(--muted);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  text-decoration: none;
}
.settings-hint:hover { color: var(--green); text-decoration: underline; }
.settings-row {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.settings-row > span { flex: 0 0 110px; }
.settings-row input[type="range"] { flex: 1; accent-color: var(--green); }
.settings-row output {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink);
  text-transform: none;
  letter-spacing: normal;
}
.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin: 6px 0 0;
  padding: 0;
}

/* ============================================================
   ASKAI — dedicated chat page
   ============================================================ */
.askai-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% -20%, var(--green-soft) 0%, transparent 55%),
    radial-gradient(ellipse at 90% 110%, var(--gold-soft) 0%, transparent 60%),
    var(--bg);
}
.askai-view[hidden] { display: none !important; }

.askai-shell {
  flex: 1 1 auto;
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 36px 28px 32px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
@media (max-width: 720px) {
  .askai-shell { padding: 24px 18px 24px; }
}

/* ---- hero ---- */
.askai-hero {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 60px 0 28px;
  transition: margin .3s ease, opacity .3s ease;
}
.askai-hero.collapsed {
  margin: 6px 0 14px;
  text-align: left;
  align-items: stretch;
}
.askai-hero.collapsed .askai-spark-lg,
.askai-hero.collapsed .askai-sub,
.askai-hero.collapsed .askai-suggestions { display: none; }
.askai-hero.collapsed .askai-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--ui-font);
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 10px;
}

.askai-spark-lg {
  font-size: 38px;
  color: var(--spirit);
  width: 78px;
  height: 78px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 35% 35%, rgba(240, 179, 35, 0.25), transparent 60%),
    linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  box-shadow: 0 10px 30px -10px rgba(17, 87, 64, 0.4), inset 0 1px 0 rgba(255,255,255,0.12);
  line-height: 1;
}
.askai-title {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 4px 0 0;
  color: var(--ink);
}
.askai-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 4px;
  line-height: 1.55;
}

.askai-suggestions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
  max-width: 660px;
  margin-top: 18px;
}
@media (max-width: 600px) {
  .askai-suggestions { grid-template-columns: 1fr; }
}
.askai-suggestion {
  font: inherit;
  font-size: 13.5px;
  text-align: left;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  cursor: pointer;
  color: var(--ink);
  line-height: 1.45;
  transition: border-color .15s, background-color .15s, transform .12s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.askai-suggestion::before {
  content: "→";
  color: var(--gold);
  font-weight: 600;
  flex: 0 0 auto;
  transition: transform .15s;
}
.askai-suggestion:hover {
  border-color: var(--gold);
  background: var(--gold-soft);
  transform: translateY(-1px);
}
.askai-suggestion:hover::before { transform: translateX(2px); }

/* ---- conversation log ---- */
.askai-log {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 18px 0 24px;
}
.askai-log[hidden] { display: none; }

.askai-msg {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: flex-start;
  animation: slideIn .25s ease both;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.askai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--ui-font);
  letter-spacing: -0.01em;
  flex: 0 0 32px;
  border: 1px solid transparent;
}
.askai-msg.user .askai-avatar {
  background: var(--green);
  color: white;
  font-size: 12px;
}
.askai-msg.assistant .askai-avatar {
  background: linear-gradient(135deg, var(--spirit) 0%, var(--gold) 100%);
  color: var(--green-deep);
  font-size: 16px;
  border-color: var(--gold-deep);
  box-shadow: 0 2px 6px -2px rgba(185, 151, 91, 0.4);
}

.askai-body { min-width: 0; }
.askai-meta {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  font-weight: 600;
  margin: 6px 0 4px;
  font-family: var(--ui-font);
}
.askai-msg.user .askai-meta { color: var(--green); }

.askai-bubble {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  font-feature-settings: "kern" on, "liga" on;
}
.askai-msg.user .askai-bubble {
  font-family: var(--ui-font);
  font-size: 15px;
  background: var(--green-soft);
  border: 1px solid color-mix(in srgb, var(--green) 16%, transparent);
  padding: 10px 14px;
  border-radius: 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.askai-msg.assistant .askai-bubble p:first-child { margin-top: 0; }
.askai-msg.assistant .askai-bubble p:last-child { margin-bottom: 0; }
.askai-msg.assistant .askai-bubble h1,
.askai-msg.assistant .askai-bubble h2,
.askai-msg.assistant .askai-bubble h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 16px 0 6px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.askai-msg.assistant .askai-bubble code { font-family: var(--mono); font-size: 13.5px; background: var(--code-bg); padding: 1px 5px; border-radius: 3px; color: var(--green-deep); }
.askai-msg.assistant .askai-bubble pre { background: var(--code-bg); border-radius: 8px; padding: 12px 14px; overflow-x: auto; font-size: 13.5px; }
.askai-msg.assistant .askai-bubble ul,
.askai-msg.assistant .askai-bubble ol { padding-left: 22px; margin: 6px 0 10px; }
.askai-msg.assistant .askai-bubble li { margin: 4px 0; }
.askai-msg.assistant .askai-bubble li::marker { color: var(--gold); }
.askai-msg.assistant .askai-bubble blockquote {
  border-left: 3px solid var(--gold);
  background: var(--gold-soft);
  margin: 10px 0;
  padding: 8px 14px;
  border-radius: 0 6px 6px 0;
  color: var(--ink);
  font-style: italic;
}
.askai-msg.assistant .askai-bubble a {
  color: var(--green);
  text-decoration: none;
  background-image: linear-gradient(transparent calc(100% - 1px), var(--green) 1px);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: 0 100%;
}
.askai-msg.assistant .askai-bubble a:hover { color: var(--green-deep); }

.askai-msg.error .askai-bubble {
  color: #8a2a1d;
  background: #fbecea;
  padding: 12px 14px;
  border-radius: 8px;
  font-family: var(--ui-font);
  font-size: 13.5px;
  border: 1px solid #f3c8c1;
}
.askai-msg.error .askai-avatar { background: #f3c8c1; color: #8a2a1d; border-color: #d09689; }
@media (prefers-color-scheme: dark) {
  .askai-msg.error .askai-bubble { color: #f7c7be; background: #4a221c; border-color: #6a3025; }
  .askai-msg.error .askai-avatar { background: #6a3025; color: #f7c7be; }
}

/* ---- input ---- */
.askai-form {
  position: sticky;
  bottom: 0;
  z-index: 5;
  background: linear-gradient(180deg, transparent 0%, var(--bg) 18%, var(--bg) 100%);
  padding: 22px 0 12px;
  margin-top: auto;
}
.askai-form-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 14px;
  box-shadow: 0 6px 20px -10px rgba(0,0,0,0.12), 0 1px 0 rgba(0,0,0,0.02);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .15s, box-shadow .15s;
}
.askai-form-card:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-soft), 0 6px 20px -10px rgba(0,0,0,0.12);
}
#askai-input {
  font: inherit;
  font-size: 15.5px;
  font-family: var(--ui-font);
  line-height: 1.5;
  color: var(--ink);
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  min-height: 28px;
  max-height: 220px;
  padding: 4px 4px 0;
}
#askai-input::placeholder { color: var(--faint); }
.askai-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#askai-send {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.askai-send-icon { font-size: 14px; line-height: 1; }
.askai-foot {
  text-align: center;
  font-size: 11.5px;
  color: var(--faint);
  margin: 8px 0 0;
  letter-spacing: 0.02em;
}

/* AskAI link styling in topbar/home */
.askai-link .askai-spark {
  color: var(--spirit);
  margin-right: 4px;
  font-size: 11px;
  vertical-align: 0.05em;
}
.home-card .askai-spark {
  color: var(--spirit-deep);
  margin-right: 4px;
}

/* ============================================================
   GRAPH FILTERS
   ============================================================ */
.graph-filters {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  font-weight: 600;
  margin-right: 4px;
  flex: 0 0 auto;
}

.filter-pill {
  font: inherit;
  font-size: 12.5px;
  font-family: var(--ui-font);
  font-weight: 500;
  padding: 5px 10px 5px 8px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background-color .12s, border-color .12s, color .12s, opacity .12s;
  letter-spacing: 0.005em;
}
.filter-pill:hover { border-color: var(--ink); color: var(--ink); }
.filter-pill[data-on="0"] { opacity: 0.4; background: transparent; border-style: dashed; }
.filter-pill[data-on="1"] {
  background: var(--paper);
  border-color: var(--ink);
  color: var(--ink);
}
.filter-pill .pip {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
}
.pip-concept { background: var(--green); }
.pip-archetype { background: var(--gold); }
.pip-program { background: var(--muted); }
.pip-deliverable { background: var(--spirit); }
.pip-top { background: #8a8a8a; }

.pill-count {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  background: var(--rule-soft);
  border-radius: 999px;
  padding: 1px 6px;
  margin-left: 2px;
}
.filter-pill[data-on="0"] .pill-count { background: transparent; }

.filter-chip {
  font: inherit;
  font-size: 12px;
  font-family: var(--ui-font);
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  transition: background-color .12s, color .12s, border-color .12s;
}
.filter-chip:hover { color: var(--ink); }
.filter-chip[data-on="1"] {
  background: var(--green);
  color: white;
  border-color: var(--green);
}

.filter-controls { gap: 16px; }
.filter-search, .filter-degree {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}
.filter-search span, .filter-degree span {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  font-weight: 600;
}
.filter-search input[type="search"] {
  font: inherit;
  font-size: 13px;
  padding: 5px 10px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  outline: none;
  width: 200px;
}
.filter-search input[type="search"]:focus { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-soft); }
.filter-degree input[type="range"] {
  width: 140px;
  accent-color: var(--green);
}
.filter-degree output {
  font-family: var(--mono);
  color: var(--ink);
  font-weight: 600;
  font-size: 11px;
  padding-left: 4px;
}
.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
}
.filter-toggle input { accent-color: var(--green); }

.filter-status-line {
  font-family: var(--ui-font);
  font-size: 11px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: right;
  margin-top: -2px;
}

/* filtered-out graph elements */
.graph-node.filtered-out { opacity: 0.07; pointer-events: none; }
.graph-edge.filtered-out { opacity: 0.04; }
.graph-label.filtered-out { opacity: 0.08; }

.hover-status {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--gold-deep);
  margin-left: 6px;
  vertical-align: 0.12em;
}

/* ============================================================
   PER-SECTION ITEM PICKERS (graph filters)
   ============================================================ */
.filter-pickers, .filter-dims { position: relative; }

.picker, .dim-picker {
  position: relative;
}

.picker summary, .dim-picker summary {
  font: inherit;
  font-size: 12px;
  font-family: var(--ui-font);
  padding: 4px 10px 4px 8px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  user-select: none;
  transition: border-color .12s, background-color .12s, color .12s;
}
.picker summary::-webkit-details-marker,
.dim-picker summary::-webkit-details-marker { display: none; }
.picker summary::after,
.dim-picker summary::after {
  content: "▾";
  margin-left: 2px;
  font-size: 9px;
  color: var(--faint);
  transition: transform .15s;
}
.picker[open] summary,
.dim-picker[open] summary {
  border-color: var(--green);
  color: var(--ink);
  background: var(--green-soft);
}
.picker[open] summary::after,
.dim-picker[open] summary::after { transform: rotate(180deg); }

.picker summary:hover,
.dim-picker summary:hover { border-color: var(--ink); color: var(--ink); }

.picker-count {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  background: var(--rule-soft);
  padding: 1px 6px;
  border-radius: 999px;
}
.picker[open] .picker-count,
.picker.partial .picker-count {
  background: var(--gold-soft);
  color: var(--gold-deep);
}

.picker > div.picker-body {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 30;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 10px;
  min-width: 280px;
  max-width: 360px;
  max-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.picker-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}
.picker-action {
  font: inherit;
  font-size: 11.5px;
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--muted);
  font-weight: 500;
  font-family: var(--ui-font);
}
.picker-action:hover { color: var(--ink); border-color: var(--ink); }
.picker-action.primary { background: var(--green); color: white; border-color: var(--green); }
.picker-action.primary:hover { background: var(--green-deep); color: white; }

.picker-filter {
  font: inherit;
  font-size: 12px;
  padding: 5px 8px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--surface);
  outline: none;
  width: 100%;
}
.picker-filter:focus { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-soft); }

.picker-list {
  list-style: none;
  margin: 0;
  padding: 2px 0;
  overflow-y: auto;
  max-height: 240px;
  font-size: 12.5px;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.picker-list li { margin: 0; }
.picker-list label {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--ink);
  line-height: 1.35;
}
.picker-list label:hover { background: var(--rule-soft); }
.picker-list input[type="checkbox"] {
  accent-color: var(--green);
  flex: 0 0 auto;
}
.picker-list .item-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--gold-deep);
  flex: 0 0 auto;
}
.picker-list .item-label {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.picker-list .item-empty {
  font-style: italic;
  color: var(--faint);
  text-align: center;
  padding: 14px;
}

/* ---- concept dimension pickers ---- */
.dim-picker .dim-current {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--gold-deep);
  background: var(--gold-soft);
  padding: 1px 6px;
  border-radius: 999px;
  text-transform: lowercase;
  letter-spacing: 0;
}
.dim-picker[data-active="0"] .dim-current {
  color: var(--faint);
  background: var(--rule-soft);
}
.dim-picker .dim-options {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 30;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
}
.dim-picker .dim-options button {
  font: inherit;
  font-size: 12px;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--ui-font);
}
.dim-picker .dim-options button:hover { background: var(--rule-soft); }
.dim-picker .dim-options button[data-on="1"] {
  background: var(--green);
  color: white;
}

/* hide dimensions when concepts section is filtered out */
body.dims-disabled .filter-dims { opacity: 0.45; pointer-events: none; }

/* ---- focus mode controls ---- */
.focus-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 8px;
  border-left: 1px solid var(--rule);
}
.focus-depth {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.focus-depth input[type="range"] { width: 80px; accent-color: var(--green); }
.focus-depth output {
  font-family: var(--mono);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  padding-left: 2px;
}
#graph-focus-line {
  font-family: var(--ui-font);
  font-size: 11px;
  color: var(--green-deep);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: auto;
}
.filter-status-line {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.graph-node.focus-anchor {
  filter: drop-shadow(0 0 8px rgba(240, 179, 35, 0.8));
}