/* ============================================================
   Intel Academy — "intel ops" thema
   Donker leisteenblauw met steel-blue/amber accenten
   Gebaseerd op het designsysteem van de VKS/EW-academies
   ============================================================ */

:root {
  --bg:          #0a0d12;
  --bg-panel:    #11161e;
  --bg-raised:   #171f2a;
  --bg-hover:    #1d2735;
  --border:      #283546;
  --border-soft: #1c2632;
  --text:        #dbe3ec;
  --text-dim:    #93a1b3;
  --text-faint:  #61708a;
  --accent:      #4da3ff;   /* steel blue */
  --accent-dim:  #2f77c2;
  --accent-bg:   rgba(77, 163, 255, 0.09);
  --amber:       #e8b04a;
  --amber-bg:    rgba(232, 176, 74, 0.09);
  --steel:       #46c188;   /* groen voor kernpunten */
  --danger:      #ff6b6b;
  --ok:          #4ac98a;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --topbar-h: 56px;
  --sidebar-w: 320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 75% -10%, rgba(77, 163, 255, 0.06), transparent),
    radial-gradient(ellipse 60% 50% at 10% 0%, rgba(70, 193, 136, 0.04), transparent);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

/* ---------- Topbar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
  display: flex; align-items: center; gap: 16px; padding: 0 20px;
  background: rgba(10, 13, 18, 0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border); z-index: 100;
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); font-size: 18px; border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--accent); flex-shrink: 0; }
.brand-logo { width: 28px; height: 28px; }
.brand-text { font-family: var(--mono); font-weight: 600; font-size: 15px; letter-spacing: 0.08em; color: var(--text); }
.brand-sep { color: var(--accent); }
.search-wrap { position: relative; margin-left: auto; width: min(380px, 38vw); }

/* Cross-site academy-links */
.academies { display: flex; gap: 6px; flex-shrink: 0; }
.academies a {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.03em; color: var(--text-dim);
  text-decoration: none; border: 1px solid var(--border); border-radius: 7px; padding: 6px 10px; white-space: nowrap;
}
.academies a:hover { border-color: var(--accent-dim); color: var(--accent); }

/* Taalschakelaar */
.lang-switch { display: flex; flex-shrink: 0; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.lang-btn {
  background: var(--bg-panel); border: none; color: var(--text-dim); font-family: var(--mono);
  font-size: 12px; font-weight: 600; padding: 6px 10px; cursor: pointer; letter-spacing: 0.04em;
}
.lang-btn + .lang-btn { border-left: 1px solid var(--border); }
.lang-btn:hover { color: var(--text); background: var(--bg-hover); }
.lang-btn.active { background: var(--accent-bg); color: var(--accent); }

#search {
  width: 100%; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: var(--sans); font-size: 14px; padding: 8px 14px; outline: none;
  transition: border-color 0.15s;
}
#search:focus { border-color: var(--accent-dim); }
#search::placeholder { color: var(--text-faint); }

.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; max-height: 60vh; overflow-y: auto;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6); padding: 6px;
}
.search-results a { display: block; padding: 9px 12px; border-radius: 7px; text-decoration: none; color: var(--text); }
.search-results a:hover { background: var(--bg-hover); }
.search-results .sr-snippet { display: block; font-size: 12.5px; color: var(--text-dim); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-results .sr-empty { padding: 12px; color: var(--text-dim); font-size: 14px; }
.sr-tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; color: var(--accent); border: 1px solid var(--accent-dim); border-radius: 4px; padding: 1px 5px; vertical-align: middle; }

/* ---------- Layout ---------- */
.layout { display: flex; padding-top: var(--topbar-h); min-height: 100vh; }
.sidebar {
  position: fixed; top: var(--topbar-h); bottom: 0; left: 0; width: var(--sidebar-w); overflow-y: auto;
  background: var(--bg-panel); border-right: 1px solid var(--border); padding: 16px 12px 24px;
  display: flex; flex-direction: column;
}
.sidebar-foot { margin-top: auto; padding: 18px 10px 0; font-size: 11.5px; font-family: var(--mono); color: var(--text-faint); letter-spacing: 0.04em; }
.sidebar-overlay { display: none; }
.content { margin-left: var(--sidebar-w); flex: 1; min-width: 0; padding: 36px clamp(20px, 5vw, 64px) 100px; max-width: calc(var(--sidebar-w) + 1040px); }

/* ---------- Nav tree ---------- */
.nav-ch { margin-bottom: 4px; }
.nav-ch-head {
  display: flex; align-items: baseline; gap: 10px; width: 100%; background: none; border: none;
  color: var(--text); font-family: var(--sans); font-size: 14px; font-weight: 600; text-align: left;
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
}
.nav-ch-head:hover { background: var(--bg-hover); }
.nav-ch-head .ch-caret { margin-left: auto; color: var(--text-faint); font-size: 10px; transition: transform 0.15s; }
.nav-ch.open .ch-caret { transform: rotate(90deg); }
.nav-sections { display: none; padding: 2px 0 6px; }
.nav-ch.open .nav-sections { display: block; }
.nav-sec { display: block; padding: 6px 10px 6px 24px; font-size: 13.5px; color: var(--text-dim); text-decoration: none; border-radius: 7px; border-left: 2px solid transparent; }
.nav-sec:hover { background: var(--bg-hover); color: var(--text); }
.nav-sec.active { color: var(--accent); background: var(--accent-bg); border-left-color: var(--accent); }

/* ---------- Home ---------- */
.home-hero { margin: 10px 0 40px; }
.home-kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 0.16em; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; }
.home-hero h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; margin: 0 0 14px; font-weight: 700; }
.home-hero > p { max-width: 760px; color: var(--text-dim); font-size: 17px; }
.home-hero strong { color: var(--text); }
.home-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 8px; }
.home-btn {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent-bg); border: 1px solid var(--accent-dim);
  color: var(--accent); border-radius: 9px; padding: 10px 18px; text-decoration: none; font-family: var(--mono);
  font-size: 14px; font-weight: 600; letter-spacing: 0.03em;
}
.home-btn:hover { background: var(--bg-hover); }
.classbar { margin-top: 18px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--amber); border: 1px dashed rgba(232,176,74,0.4); border-radius: 6px; padding: 7px 12px; display: inline-block; }

.home-flow { margin: 0 0 40px; }
.home-flow-h { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px; }

.chapter-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }
.chapter-card {
  display: block; position: relative; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; text-decoration: none; color: var(--text); transition: border-color 0.15s, transform 0.15s, background 0.15s;
}
.chapter-card:hover { border-color: var(--accent-dim); background: var(--bg-raised); transform: translateY(-2px); }
.chapter-card h3 { margin: 10px 0 8px; font-size: 17px; line-height: 1.3; }
.chapter-card p { margin: 0; font-size: 13.5px; color: var(--text-dim); }
.chapter-card .cc-count { display: inline-block; margin-top: 14px; font-family: var(--mono); font-size: 11.5px; color: var(--text-faint); }
.cc-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }

/* ---------- Lespagina ---------- */
.crumbs { font-family: var(--mono); font-size: 12.5px; color: var(--text-faint); margin-bottom: 18px; }
.crumbs a { color: var(--text-dim); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 8px; color: var(--text-faint); }
.page-head { border-bottom: 1px solid var(--border); padding-bottom: 18px; margin-bottom: 28px; }
.page-head h1 { margin: 6px 0 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; }
.page-lead { margin: 12px 0 0; color: var(--text-dim); font-size: 16px; max-width: 80ch; }

article.lesson h2 { font-size: 21px; margin: 44px 0 14px; padding-top: 22px; border-top: 1px solid var(--border-soft); scroll-margin-top: calc(var(--topbar-h) + 16px); }
article.lesson h2:first-child { border-top: none; margin-top: 8px; padding-top: 0; }
article.lesson h3 { font-size: 16.5px; margin: 26px 0 8px; color: var(--text); }
article.lesson p { margin: 0 0 14px; max-width: 80ch; }
article.lesson ul, article.lesson ol { margin: 0 0 16px; padding-left: 26px; max-width: 78ch; }
article.lesson li { margin-bottom: 6px; }
article.lesson strong { color: #eef3f8; }
article.lesson a { color: var(--accent); }
article.lesson blockquote { margin: 18px 0; padding: 10px 18px; border-left: 3px solid var(--accent-dim); background: var(--bg-panel); border-radius: 0 8px 8px 0; color: var(--text-dim); font-style: italic; max-width: 78ch; }

.term { color: var(--amber); font-style: normal; font-weight: 500; }
a.xref { color: var(--accent); text-decoration: none; border-bottom: 1px dotted var(--accent-dim); }
a.xref:hover { border-bottom-style: solid; }

/* Notitie / waarschuwing / voorbeeld / kernpunt */
.note, .warn, .example, .keypt {
  border-radius: 10px; padding: 14px 18px; margin: 18px 0; max-width: 82ch; font-size: 14.5px;
}
.note { background: var(--accent-bg); border: 1px solid rgba(77,163,255,0.25); }
.warn { background: var(--amber-bg); border: 1px solid rgba(232,176,74,0.3); }
.example { background: var(--bg-panel); border: 1px solid var(--border); }
.keypt { background: rgba(70,193,136,0.08); border: 1px solid rgba(70,193,136,0.3); }
.note .lbl, .warn .lbl, .example .lbl, .keypt .lbl {
  display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px;
}
.note .lbl { color: var(--accent); }
.warn .lbl { color: var(--amber); }
.example .lbl { color: var(--text-dim); }
.keypt .lbl { color: var(--steel); }
.note p:last-child, .warn p:last-child, .example p:last-child, .keypt p:last-child { margin-bottom: 0; }
p.src { font-size: 0.82em; font-style: italic; color: var(--text-dim); margin-top: 0.6rem; }

/* Tabellen */
table.data { border-collapse: collapse; margin: 18px 0; font-size: 14px; width: 100%; max-width: 920px; }
table.data th { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; text-align: left; color: var(--accent); border-bottom: 2px solid var(--border); padding: 8px 14px 8px 0; }
table.data td { border-bottom: 1px solid var(--border-soft); padding: 8px 14px 8px 0; vertical-align: top; }
table.data tr:hover td { background: rgba(255,255,255,0.015); }
table.data.compact td, table.data.compact th { font-size: 13px; padding: 6px 12px 6px 0; }

/* Diagrammen (SVG) */
figure.diagram { margin: 24px 0; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; max-width: 920px; }
figure.diagram svg { width: 100%; height: auto; display: block; }
figure.diagram figcaption { margin-top: 12px; font-size: 13px; color: var(--text-dim); font-family: var(--mono); }
.dg-line { stroke: var(--text-dim); stroke-width: 1.5; fill: none; }
.dg-accent { stroke: var(--accent); stroke-width: 2; fill: none; }
.dg-steel { stroke: var(--steel); stroke-width: 2; fill: none; }
.dg-amber { stroke: var(--amber); stroke-width: 2; fill: none; }
.dg-box { fill: var(--bg-raised); stroke: var(--border); stroke-width: 1.5; }
.dg-text { fill: var(--text-dim); font-family: var(--mono); font-size: 12px; }
.dg-text-b { fill: var(--text); font-family: var(--mono); font-size: 12px; font-weight: 600; }
.dg-dash { stroke-dasharray: 5 4; }

/* ---------- Prev / next ---------- */
.pager { display: flex; gap: 14px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); }
.pager a { flex: 1; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; text-decoration: none; color: var(--text); transition: border-color 0.15s; }
.pager a:hover { border-color: var(--accent-dim); }
.pager .pg-dir { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 4px; }
.pager .pg-next { text-align: right; }
.pager .pg-title { font-size: 14px; }

/* ============================================================
   IPB-PROCESSCHEMA (interactieve SVG)
   ============================================================ */
.flow-stage { position: relative; background: var(--bg-panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; padding: 10px; max-width: 980px; }
.flow-stage svg { display: block; width: 100%; height: auto; }
.flow-node { cursor: pointer; }
.flow-node rect { fill: var(--bg-raised); stroke: var(--border); stroke-width: 1.5; transition: stroke 0.12s, fill 0.12s; rx: 9; }
.flow-node:hover rect { stroke: var(--accent); fill: var(--bg-hover); }
.flow-node text { fill: var(--text); font-family: var(--mono); font-size: 12.5px; pointer-events: none; }
.flow-node .fn-sub { fill: var(--text-faint); font-size: 10px; }
.flow-node.fn-cycle rect { stroke: rgba(70,193,136,0.5); }
.flow-node.fn-cycle:hover rect { stroke: var(--steel); }
.flow-node.fn-ipb rect { stroke: var(--accent-dim); }
.flow-node.fn-ipb:hover rect { stroke: var(--accent); }
.flow-node.fn-mdmp rect { stroke: rgba(232,176,74,0.45); }
.flow-node.fn-mdmp:hover rect { stroke: var(--amber); }
.flow-arrow { stroke: var(--text-faint); stroke-width: 1.5; fill: none; marker-end: url(#fl-arr); }
.flow-arrow-accent { stroke: var(--accent-dim); stroke-width: 1.8; fill: none; marker-end: url(#fl-arr-a); }
.flow-dash { stroke-dasharray: 5 4; }
.flow-lane { fill: var(--text-faint); font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.flow-tooltip {
  position: absolute; z-index: 5; pointer-events: none; max-width: 300px;
  background: rgba(13,18,26,0.97); border: 1px solid var(--accent-dim); border-radius: 9px;
  padding: 10px 12px; box-shadow: 0 8px 28px rgba(0,0,0,0.6);
}
.flow-tooltip .ft-name { font-weight: 700; font-size: 13.5px; color: var(--text); }
.flow-tooltip .ft-desc { font-size: 12.5px; color: var(--text-dim); margin-top: 3px; line-height: 1.5; }
.flow-tooltip .ft-go { font-family: var(--mono); font-size: 10.5px; color: var(--accent); margin-top: 6px; }
.flow-hint { margin-top: 8px; font-family: var(--mono); font-size: 11px; color: rgba(150,165,185,0.6); padding: 0 4px 4px; }

/* ============================================================
   REFERENTIEKAARTEN (galerij + modal)
   ============================================================ */
.thr-filters { display: flex; flex-wrap: wrap; gap: 7px; margin: 8px 0 18px; }
.mf-chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--bg-panel); border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 20px; padding: 6px 13px; cursor: pointer; font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.02em; transition: all 0.12s;
}
.mf-chip:hover { border-color: var(--accent-dim); color: var(--text); }
.mf-chip.active { background: var(--accent-bg); border-color: var(--accent); color: var(--accent); }

.thr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 12px; }
.thr-card {
  display: flex; align-items: flex-start; gap: 12px; text-align: left; background: var(--bg-panel);
  border: 1px solid var(--border); border-left: 3px solid var(--accent-dim); border-radius: 10px;
  padding: 14px 16px; cursor: pointer; color: var(--text); transition: all 0.13s; font-family: var(--sans);
}
.thr-card:hover { background: var(--bg-raised); transform: translateY(-2px); border-left-color: var(--accent); }
.thr-card.t-frame { border-left-color: var(--accent); }
.thr-card.t-prod { border-left-color: var(--amber); }
.thr-card.t-req { border-left-color: var(--steel); }
.thr-card.t-anl { border-left-color: #b48ce8; }
.thr-ico { flex-shrink: 0; width: 46px; color: var(--text-dim); margin-top: 2px; }
.thr-sil { width: 46px; height: auto; display: block; }
.thr-body { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.thr-name { font-weight: 700; font-size: 15px; line-height: 1.2; }
.thr-nato { font-family: var(--mono); font-size: 12px; color: var(--text-dim); line-height: 1.25; }
.thr-badge {
  align-self: flex-start; margin-top: 5px; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.06em; padding: 3px 8px; border-radius: 5px; white-space: nowrap;
  border: 1px solid transparent;
}
.t-frame .thr-badge { background: rgba(77,163,255,0.16); color: var(--accent); border-color: rgba(77,163,255,0.3); }
.t-prod .thr-badge { background: rgba(232,176,74,0.16); color: var(--amber); border-color: rgba(232,176,74,0.3); }
.t-req .thr-badge { background: rgba(70,193,136,0.16); color: var(--steel); border-color: rgba(70,193,136,0.3); }
.t-anl .thr-badge { background: rgba(180,140,232,0.16); color: #b48ce8; border-color: rgba(180,140,232,0.3); }

/* kaart-modal */
body.modal-open { overflow: hidden; }
.ts-modal { position: fixed; inset: 0; z-index: 300; background: rgba(5,7,10,0.72); backdrop-filter: blur(4px); display: flex; align-items: flex-start; justify-content: center; padding: 40px 20px; overflow-y: auto; opacity: 0; transition: opacity 0.2s; }
.ts-modal.show { opacity: 1; }
.ts-modal-inner { position: relative; width: min(960px, 100%); background: var(--bg-panel); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,0.7); transform: translateY(12px); transition: transform 0.2s; overflow: hidden; }
.ts-modal.show .ts-modal-inner { transform: translateY(0); }
.ts-close { position: absolute; top: 12px; right: 12px; z-index: 3; background: rgba(0,0,0,0.3); border: 1px solid var(--border); color: var(--text-dim); width: 32px; height: 32px; border-radius: 7px; cursor: pointer; font-size: 14px; }
.ts-close:hover { color: var(--accent); border-color: var(--accent-dim); }

.ts-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px 14px; border-bottom: 1px solid var(--border); }
.ts-name { font-size: 24px; font-weight: 700; }
.ts-nato { font-family: var(--mono); font-size: 14px; color: var(--text-dim); }
.ts-badge { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; padding: 6px 12px; border-radius: 7px; white-space: nowrap; }
.t-frame .ts-badge { background: rgba(77,163,255,0.18); color: var(--accent); border: 1px solid var(--accent-dim); }
.t-prod .ts-badge { background: rgba(232,176,74,0.16); color: var(--amber); border: 1px solid rgba(232,176,74,0.4); }
.t-req .ts-badge { background: rgba(70,193,136,0.16); color: var(--steel); border: 1px solid rgba(70,193,136,0.4); }
.t-anl .ts-badge { background: rgba(180,140,232,0.16); color: #b48ce8; border: 1px solid rgba(180,140,232,0.4); }
.ts-classbar { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); background: rgba(232,176,74,0.07); padding: 6px 22px; border-bottom: 1px solid var(--border-soft); }

.ts-body { display: grid; grid-template-columns: 250px 1fr; gap: 18px; padding: 20px 22px 24px; }
.ts-sil-wrap { background: var(--bg-raised); border: 1px solid var(--border); border-radius: 10px; padding: 22px; color: var(--accent); display: flex; align-items: center; justify-content: center; }
.ts-sil-wrap .thr-sil { width: 100%; max-width: 150px; height: auto; }
.ts-summary { margin-top: 14px; font-size: 13.5px; color: var(--text-dim); line-height: 1.6; }
.ts-link { margin-top: 12px; font-size: 12.5px; }
.ts-link a { color: var(--accent); text-decoration: none; border-bottom: 1px dotted var(--accent-dim); }
.ts-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; align-content: start; }
.ts-panel { background: var(--bg-raised); border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.ts-panel-h { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); background: var(--accent-bg); padding: 7px 12px; border-bottom: 1px solid var(--border-soft); }
.ts-row { display: flex; justify-content: space-between; gap: 10px; padding: 6px 12px; border-bottom: 1px solid var(--border-soft); font-size: 12.5px; }
.ts-row:last-child { border-bottom: none; }
.ts-k { color: var(--text-dim); flex-shrink: 0; }
.ts-v { color: var(--text); text-align: right; font-size: 12.5px; }

/* ============================================================
   KENNISTOETS
   ============================================================ */
.quiz-wrap { max-width: 860px; }
.quiz-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 8px 0 20px; }
.quiz-score { font-family: var(--mono); font-size: 13px; color: var(--text-dim); }
.quiz-score strong { color: var(--accent); }
.quiz-progress { flex: 1; min-width: 160px; height: 7px; background: var(--bg-raised); border: 1px solid var(--border-soft); border-radius: 4px; overflow: hidden; }
.quiz-progress-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s; }
.quiz-reset {
  background: none; border: 1px solid var(--border); color: var(--text-dim); border-radius: 7px;
  padding: 6px 12px; cursor: pointer; font-family: var(--mono); font-size: 11.5px;
}
.quiz-reset:hover { border-color: var(--danger); color: var(--danger); }

.qz-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.qz-card.qz-correct { border-color: rgba(74,201,138,0.5); }
.qz-card.qz-wrong { border-color: rgba(255,107,107,0.5); }
.qz-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--text-faint); margin-bottom: 6px; }
.qz-q { font-weight: 600; font-size: 15.5px; margin-bottom: 14px; }
.qz-opts { display: flex; flex-direction: column; gap: 8px; }
.qz-opt {
  display: flex; align-items: flex-start; gap: 10px; text-align: left; background: var(--bg-raised);
  border: 1px solid var(--border-soft); border-radius: 9px; padding: 10px 14px; cursor: pointer;
  color: var(--text); font-family: var(--sans); font-size: 14px; line-height: 1.5; transition: all 0.12s;
}
.qz-opt:hover { border-color: var(--accent-dim); background: var(--bg-hover); }
.qz-opt .qz-letter { font-family: var(--mono); font-size: 12px; color: var(--text-faint); flex-shrink: 0; padding-top: 1px; }
.qz-card.done .qz-opt { cursor: default; opacity: 0.55; }
.qz-card.done .qz-opt:hover { border-color: var(--border-soft); background: var(--bg-raised); }
.qz-card.done .qz-opt.is-answer { opacity: 1; border-color: rgba(74,201,138,0.6); background: rgba(74,201,138,0.08); }
.qz-card.done .qz-opt.is-chosen-wrong { opacity: 1; border-color: rgba(255,107,107,0.6); background: rgba(255,107,107,0.07); }
.qz-fb { margin-top: 12px; border-radius: 9px; padding: 11px 14px; font-size: 13.5px; line-height: 1.55; }
.qz-fb.ok { background: rgba(74,201,138,0.08); border: 1px solid rgba(74,201,138,0.35); }
.qz-fb.nok { background: rgba(255,107,107,0.07); border: 1px solid rgba(255,107,107,0.35); }
.qz-fb .qz-fb-h { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.qz-fb.ok .qz-fb-h { color: var(--ok); }
.qz-fb.nok .qz-fb-h { color: var(--danger); }
.qz-retry {
  margin-top: 10px; background: none; border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 7px; padding: 5px 12px; cursor: pointer; font-family: var(--mono); font-size: 11.5px;
}
.qz-retry:hover { border-color: var(--accent-dim); color: var(--accent); }

/* quiz-teaser onderaan gewone secties */
.quiz-cta {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 8px;
  background: var(--accent-bg); border: 1px solid var(--accent-dim); color: var(--accent);
  border-radius: 9px; padding: 9px 16px; text-decoration: none; font-family: var(--mono); font-size: 13px;
}
.quiz-cta:hover { background: var(--bg-hover); }

/* ---------- Responsief ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .brand-text { display: none; }
  .academies { display: none; }
  .sidebar { transform: translateX(-100%); transition: transform 0.2s ease; z-index: 90; width: min(var(--sidebar-w), 85vw); }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .sidebar-overlay { display: block; position: fixed; inset: var(--topbar-h) 0 0 0; background: rgba(0,0,0,0.5); z-index: 80; }
  .content { margin-left: 0; padding: 24px 18px 80px; }
  .search-wrap { width: auto; flex: 1; }
  .ts-body { grid-template-columns: 1fr; }
  .ts-left { display: flex; gap: 14px; align-items: flex-start; }
  .ts-sil-wrap { width: 120px; flex-shrink: 0; }
  .ts-summary { margin-top: 0; }
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Print ---------- */
.print-fab {
  position: fixed; top: 74px; right: 30px; z-index: 60; display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent-bg); border: 1px solid var(--accent-dim); color: var(--accent); border-radius: 9px;
  padding: 9px 15px; cursor: pointer; font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: 0.05em;
  box-shadow: 0 3px 12px rgba(0,0,0,0.35);
}
.print-fab:hover { background: var(--bg-hover); }
@media (max-width: 820px) { .print-fab { top: auto; bottom: 18px; right: 16px; padding: 11px 14px; } .print-fab-lbl { display: none; } }

@media print {
  .topbar, .sidebar, .sidebar-overlay, #search-results, .nav-toggle, .print-fab, .thr-filters, .quiz-bar, .flow-hint { display: none !important; }
  html, body, .layout, .content { background: #fff !important; color: #111 !important; }
  .layout { display: block !important; }
  .content { display: block !important; margin: 0 !important; padding: 0 !important; max-width: none !important; }
  a { color: #111 !important; }
  h1, h2, h3, .term, strong { color: #111 !important; }
  .note, .warn, .example, .keypt, .ts-panel, table.data, .qz-card { break-inside: avoid; }
}