body.finalflux-shell,
body.finalflux-page {
  background: var(--bg-glow), var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.finalflux-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.finalflux-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border-accent);
  padding: 1.5rem;
  overflow-y: auto;
}

.finalflux-sidebar h1,
.finalflux-main h2,
.finalflux-main h3,
.finalflux-page h1,
.finalflux-page h2,
.finalflux-page h3 {
  color: var(--accent);
}

.finalflux-sidebar p,
.finalflux-main p,
.finalflux-page p,
.finalflux-page li {
  line-height: 1.65;
}

.finalflux-back,
.finalflux-page .back-link {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.65rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

.finalflux-nav section {
  margin-top: 1.5rem;
}

.finalflux-nav h2 {
  color: var(--accent-2);
  font-size: 1rem;
  margin-bottom: 0.7rem;
}

.finalflux-nav a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 0.42rem 0.6rem;
  border-radius: 6px;
}

.finalflux-nav a:hover {
  background: var(--surface-2);
  color: var(--accent);
}

.finalflux-main {
  /* display/width/margin explizit, um das generische `main {}` aus style.css
     (display:flex; width:90%; margin:0 auto) zu neutralisieren -> sonst
     Überlappung/Fehllayout im Hub. */
  display: block;
  width: auto;
  margin: 0;
  padding: 2rem;
  max-width: 1100px;
}

.finalflux-hero,
.finalflux-panel,
.finalflux-page section {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.finalflux-page .merksatz {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--surface-2);
  border-left: 4px solid var(--accent-2);
  border-radius: 8px;
}

.finalflux-page .merksatz strong {
  color: var(--accent-2);
}

/* ---- Topologie-Diagramme (Inline-SVG, theme-adaptiv) ---- */
.topo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.1rem 0 0.2rem;
}
.topo-figure {
  flex: 1 1 240px;
  margin: 0;
  text-align: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 0.9rem 0.7rem;
}
.topo-figure svg { width: 100%; max-width: 320px; height: auto; display: block; margin: 0 auto; }
.topo-figure figcaption { color: var(--muted); font-size: 0.82rem; margin-top: 0.5rem; line-height: 1.4; }
.topo .link { stroke: var(--border-accent); stroke-width: 2; fill: none; }
.topo .bus  { stroke: var(--accent); stroke-width: 4; stroke-linecap: round; }
.topo .node { fill: var(--surface); stroke: var(--accent); stroke-width: 2; }
.topo .hub  { fill: var(--accent); stroke: none; }
.topo .term { fill: var(--muted); }
.topo .hlbl { fill: var(--accent-ink); font: 700 9px 'Segoe UI', Tahoma, sans-serif; text-anchor: middle; dominant-baseline: central; }

.finalflux-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.finalflux-page th,
.finalflux-page td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
}

.finalflux-page th {
  color: var(--heading);
  font-weight: 700;
}

.finalflux-hero h2 {
  font-size: 2rem;
  margin: 0.4rem 0 1rem;
}

.eyebrow {
  color: var(--accent-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.finalflux-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.finalflux-grid article,
.fluxcheck {
  background: var(--surface);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  padding: 1rem;
}

.finalflux-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.finalflux-actions a,
.fluxcheck button {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  padding: 0.65rem 1rem;
  text-decoration: none;
}

.finalflux-page {
  padding: 2rem;
}

.finalflux-page main {
  display: block;
  max-width: 980px;
  margin: 0 auto;
  padding: 0;
}

.finalflux-page code {
  background: var(--surface-2);
  border-radius: 4px;
  color: var(--accent-2);
  padding: 0.15rem 0.35rem;
}

.key-list {
  padding-left: 1.2rem;
}

.fluxcheck label {
  display: block;
  margin: 0.5rem 0;
}

.fluxcheck-result {
  font-weight: 700;
  margin-top: 0.8rem;
}

.fluxcheck-result.correct {
  color: var(--success);
}
.fluxcheck-result.correct::before { content: "\2713  "; font-weight: 800; }

.fluxcheck-result.wrong {
  color: var(--danger);
}
.fluxcheck-result.wrong::before { content: "\2717  "; font-weight: 800; }

.finalflux-test {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.test-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 1rem;
}

.category-block {
  background: var(--surface-2);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.category-block h2 {
  margin: 0.2rem 0 0.5rem;
}

.question-card {
  background: var(--bg);
  border-radius: 8px;
  padding: 1rem;
}

.answer-options {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0;
}

.answer-options label {
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  gap: 0.65rem;
  padding: 0.75rem;
}

.answer-options label:hover {
  border-color: var(--accent);
}

.test-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.test-actions button,
[data-restart-test] {
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  color: var(--accent-ink);
  cursor: pointer;
  font-weight: 700;
  padding: 0.65rem 1rem;
}

.test-actions button.secondary {
  background: var(--surface-2);
  border: 1px solid var(--border-accent);
  color: var(--text);
}

.test-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

@media (max-width: 820px) {
  /* Block statt Grid -> Sidebar (Themen-Menü) und Inhalt stapeln sauber,
     keine Überlappung, volle Höhe scrollbar. */
  .finalflux-shell {
    display: block;
    min-height: 100dvh;
  }

  .finalflux-sidebar {
    overflow: visible;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border-accent);
  }

  .finalflux-main,
  .finalflux-page {
    padding: 1rem;
  }
}

/* Prüfungszentrale: ruhige Gold-/Indigo-Konstellation statt Spielhallen-Optik. */
body.finalflux-shell,body.finalflux-page { --accent:var(--ff-accent); --accent-2:var(--ff-secondary); --glow-s:var(--ff-glow); --glow-w:color-mix(in srgb,var(--ff-accent) 14%,transparent); background:radial-gradient(circle at 17% 13%,color-mix(in srgb,var(--ff-secondary) 17%,transparent),transparent 30%),radial-gradient(circle at 82% 8%,color-mix(in srgb,var(--ff-accent) 13%,transparent),transparent 28%),#0b0d1b; }
body.finalflux-shell::before,body.finalflux-page::before { content:""; position:fixed; inset:0; pointer-events:none; opacity:.28; background-image:radial-gradient(circle,var(--ff-accent) 0 1px,transparent 1.5px),radial-gradient(circle,var(--ff-secondary) 0 1px,transparent 1.5px); background-size:91px 91px,137px 137px; background-position:14px 22px,47px 65px; }.finalflux-sidebar,.finalflux-main,.finalflux-page { position:relative; z-index:1; }.finalflux-hero,.finalflux-panel,.finalflux-page section { border-left-color:var(--ff-secondary); box-shadow:0 10px 28px color-mix(in srgb,var(--ff-secondary) 9%,transparent); }