:root {
  --bg: #0b0d12; --bg-elev: #14171f; --bg-card: #1a1e28;
  --border: rgba(255,255,255,0.08); --border-strong: rgba(255,255,255,0.14);
  --text: #e7ebf3; --text-dim: #9aa3b2; --text-faint: #6b7280;
  --accent: #33A8FF; --accent-hover: #1483d6; --accent-glow: rgba(51,168,255,0.35);
  --urgent: #f59e0b; --success: #10b981; --danger: #ef4444;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Plus Jakarta Sans", system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(800px circle at 10% -10%, rgba(51,168,255,0.10), transparent 50%),
    radial-gradient(700px circle at 90% 10%, rgba(245,158,11,0.07), transparent 50%);
  pointer-events: none;
}
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.15; }
h2 { font-size: 1.4rem; line-height: 1.25; margin: 2.4rem 0 0.9rem; }
h3 { font-size: 1.1rem; margin: 1.4rem 0 0.5rem; }
h4 { font-size: 0.95rem; margin: 1rem 0 0.3rem; color: var(--text); }
p { margin: 0 0 1rem; color: var(--text-dim); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: 'SFMono-Regular', Menlo, Consolas, monospace; background: rgba(255,255,255,0.06); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.9em; color: #e7ebf3; }
ul, ol { color: var(--text-dim); padding-left: 1.4rem; margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; }

/* NAV (gleich wie sonst) */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,13,18,0.78);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0.85rem 1.25rem;
  display: flex; align-items: center; gap: 2rem;
}
.logo { display: flex; align-items: center; gap: 0.55rem; font-weight: 800; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.logo .mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, #1483d6, #33A8FF);
  display: inline-flex; align-items: center; justify-content: center; font-size: 1rem;
}
.nav-links { display: flex; gap: 1.4rem; flex: 1; }
.nav-links a { color: var(--text-dim); font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; gap: 0.6rem; align-items: center; }
.btn-ghost { color: var(--text-dim); padding: 0.5rem 0.9rem; font-size: 0.9rem; border-radius: 7px; }
.btn-ghost:hover { color: var(--text); text-decoration: none; }
.cta {
  display: inline-block; padding: 0.55rem 1.1rem;
  background: linear-gradient(180deg, var(--accent), var(--accent-hover));
  color: #fff; font-weight: 700; font-size: 0.92rem;
  border-radius: 8px; border: none; cursor: pointer; text-decoration: none;
  box-shadow: 0 6px 16px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.20);
}
.cta:hover { text-decoration: none; transform: translateY(-1px); }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ─── HUB ─────────────────────────────────────────────────── */
.hub-hero {
  padding: 4rem 1.25rem 2rem; text-align: center;
}
.hub-inner { max-width: 720px; margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(51,168,255,0.12); color: var(--accent);
  border: 1px solid rgba(51,168,255,0.30);
  padding: 0.3rem 0.85rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; margin-bottom: 1.2rem;
}
.hub-hero h1 { margin-bottom: 0.8rem; }
.hub-hero .lead { font-size: 1.1rem; color: var(--text-dim); margin-bottom: 2rem; }

.hub-search { position: relative; max-width: 640px; margin: 0 auto; }
.hub-search input {
  width: 100%; padding: 1rem 1.2rem 1rem 3rem;
  font-size: 1rem; color: var(--text);
  background: linear-gradient(180deg, rgba(28,32,42,0.85), rgba(20,24,32,0.80));
  border: 1px solid var(--border-strong); border-radius: 12px;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 8px 24px rgba(0,0,0,0.20), inset 0 1px 0 rgba(255,255,255,0.04);
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.hub-search input::placeholder { color: var(--text-faint); }
.hub-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(51,168,255,0.18), 0 8px 24px rgba(0,0,0,0.20); }
.hub-search::before {
  content: "🔍"; position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  font-size: 1.1rem; pointer-events: none;
}
.hub-results {
  position: absolute; top: calc(100% + 0.5rem); left: 0; right: 0; z-index: 30;
  background: linear-gradient(180deg, rgba(28,32,42,0.95), rgba(20,24,32,0.92));
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--border-strong); border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.40);
  overflow: hidden; text-align: left;
  max-height: 60vh; overflow-y: auto;
}
.hr-item { display: flex; gap: 0.85rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); transition: background 80ms; }
.hr-item:last-child { border-bottom: none; }
.hr-item:hover { background: rgba(51,168,255,0.06); text-decoration: none; }
.hr-icon { font-size: 1.4rem; flex-shrink: 0; }
.hr-text { flex: 1; min-width: 0; }
.hr-title { font-weight: 600; color: var(--text); font-size: 0.95rem; margin-bottom: 0.15rem; }
.hr-cat { font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 0.35rem; }
.hr-snippet { font-size: 0.82rem; color: var(--text-dim); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hr-empty { padding: 1.2rem; color: var(--text-dim); font-size: 0.92rem; text-align: center; }
mark { background: rgba(245,158,11,0.30); color: #fef3c7; padding: 0.05rem 0.15rem; border-radius: 2px; }

/* ─── HUB CATEGORIES ───────────────────────────────────────── */
.hub-main { max-width: 1120px; margin: 1rem auto 5rem; padding: 0 1.25rem; }
.topic-cat { margin-bottom: 3rem; }
.topic-cat h3 {
  font-size: 0.82rem; color: var(--text-faint); letter-spacing: 0.10em;
  text-transform: uppercase; margin-bottom: 0.85rem; font-weight: 700;
}
.topic-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
.topic-card {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, rgba(28,32,42,0.65), rgba(20,24,32,0.55));
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid var(--border); border-radius: 11px;
  text-decoration: none; color: var(--text);
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}
.topic-card:hover {
  border-color: var(--accent); background: rgba(51,168,255,0.06);
  transform: translateY(-2px); text-decoration: none;
}
.topic-card .t-ico { font-size: 1.6rem; flex-shrink: 0; }
.topic-card .t-title { font-weight: 600; font-size: 0.95rem; line-height: 1.3; }

/* ─── SUB-PAGE LAYOUT ──────────────────────────────────────── */
.breadcrumb {
  background: rgba(11,13,18,0.4); border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.bc-inner { max-width: 1120px; margin: 0 auto; padding: 0.7rem 1.25rem; color: var(--text-faint); }
.bc-inner a { color: var(--text-dim); }
.bc-sep { color: var(--text-faint); margin: 0 0.5rem; }
.bc-cat { color: var(--text-dim); }
.bc-current { color: var(--text); }

.docs-page {
  max-width: 1120px; margin: 2rem auto 4rem; padding: 0 1.25rem;
  display: grid; grid-template-columns: 1fr 260px; gap: 3rem;
}
@media (max-width: 900px) {
  .docs-page { grid-template-columns: 1fr; }
  .related-nav { order: -1; }
}
.docs-page article {
  background: linear-gradient(180deg, rgba(28,32,42,0.65), rgba(20,24,32,0.55));
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 2.2rem 2.4rem;
}
@media (max-width: 600px) { .docs-page article { padding: 1.6rem 1.4rem; } }
.article-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.6rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--border); }
.article-icon { font-size: 2.4rem; }
.article-head h1 { font-size: clamp(1.6rem, 3vw, 2rem); }

.page-nav { display: flex; gap: 0.8rem; margin: 2.4rem 0 0; flex-wrap: wrap; }
.page-nav a {
  flex: 1; min-width: 220px;
  display: block; padding: 0.85rem 1.1rem;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 120ms ease, background 120ms ease;
}
.page-nav a:hover { border-color: var(--accent); background: rgba(51,168,255,0.06); text-decoration: none; }
.page-nav .lbl { display: block; font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.2rem; }
.page-nav .ttl { font-weight: 600; color: var(--text); font-size: 0.93rem; }
.page-nav .next-link { text-align: right; }
.page-nav-spacer { flex: 1; min-width: 220px; }

.back-to-hub { margin-top: 1.6rem; font-size: 0.88rem; }

/* RELATED ASIDE */
.related-nav {
  position: sticky; top: 80px; align-self: start;
  padding: 1.4rem; background: rgba(255,255,255,0.02);
  border: 1px solid var(--border); border-radius: 12px;
  font-size: 0.88rem;
}
.related-nav h4 {
  font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 0.6rem; font-weight: 700;
}
.related-nav ul { list-style: none; padding: 0; margin: 0; }
.related-nav li { margin-bottom: 0.3rem; }
.related-nav li.active { color: var(--accent); font-weight: 600; padding: 0.35rem 0.7rem; background: rgba(51,168,255,0.10); border-radius: 6px; }
.related-nav li:not(.active) a { color: var(--text-dim); display: block; padding: 0.35rem 0.7rem; border-radius: 6px; }
.related-nav li:not(.active) a:hover { color: var(--text); background: rgba(255,255,255,0.03); text-decoration: none; }

/* ───── Bestehende Inhalts-Styles aus alter help.html (Tips, Steps, Feature-Cards, Kbd) ───── */
.tip {
  display: flex; gap: 0.7rem; padding: 0.9rem 1.1rem; margin: 1rem 0;
  background: rgba(51,168,255,0.06); border-left: 3px solid var(--accent);
  border-radius: 6px; font-size: 0.92rem;
}
.tip::before { content: "💡"; flex-shrink: 0; }
.tip.warning { background: rgba(245,158,11,0.06); border-left-color: var(--urgent); }
.tip.warning::before { content: "⚠"; }
.tip strong { color: var(--text); }

.steps { list-style: none; padding: 0; margin: 1rem 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative; padding: 0.85rem 0.85rem 0.85rem 3rem;
  margin-bottom: 0.5rem; background: rgba(255,255,255,0.02);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text-dim);
}
.steps li::before {
  content: counter(step); position: absolute; left: 0.8rem; top: 0.85rem;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  background: linear-gradient(135deg, #1483d6, #33A8FF);
  color: #fff; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.steps li strong { color: var(--text); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.8rem; margin: 1rem 0; }
.feature-card {
  padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 10px;
  background: rgba(255,255,255,0.02);
}
.feature-card .ico { font-size: 1.3rem; margin-bottom: 0.4rem; }
.feature-card .lbl { font-weight: 600; color: var(--text); font-size: 0.92rem; margin-bottom: 0.2rem; }
.feature-card .desc { color: var(--text-faint); font-size: 0.82rem; }

kbd {
  display: inline-block; padding: 0.15rem 0.5rem;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-strong);
  border-bottom-width: 2px; border-radius: 4px;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.82rem; color: var(--text);
}

/* Footer (groß, mehrspaltig — identisch mit Index/Lifetime) */
.docs-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  color: var(--text-faint); font-size: 0.85rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem; max-width: 1120px; margin: 0 auto; padding: 0 1.25rem;
}
.footer-grid h4 { font-size: 0.85rem; color: var(--text-dim); margin: 0 0 0.6rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.4rem; }
.footer-grid a { color: var(--text-faint); }
.footer-grid a:hover { color: var(--text); text-decoration: none; }
.footer-grid .logo { display: flex; align-items: center; gap: 0.55rem; font-weight: 800; font-size: 1.1rem; color: var(--text); margin-bottom: 0.8rem; }
.footer-grid .logo .mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, #1483d6, #33A8FF);
  display: inline-flex; align-items: center; justify-content: center;
}
.footer-bottom {
  max-width: 1120px; margin: 2rem auto 0; padding: 1.5rem 1.25rem 0;
  border-top: 1px solid var(--border); text-align: center;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
/* Legacy-Alias: alte .footer-inner-Markup bleibt funktional */
.footer-inner { max-width: 1120px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; padding: 0 1.25rem; }
.footer-inner a { color: var(--text-dim); }