/* ═══════════════════════════════════════════════════════════════
   OrgsLedger Docs — Unified Help Center Stylesheet
   ═══════════════════════════════════════════════════════════════ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --primary-subtle: rgba(37,99,235,0.07);
  --accent: #06d6a0;
  --dark: #0b1120;
  --dark-2: #111827;
  --dark-3: #1e293b;
  --dark-4: #263548;
  --border: rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.10);
  --white: #f1f5f9;
  --gray-100: #e2e8f0;
  --gray-200: #cbd5e1;
  --gray-300: #94a3b8;
  --gray-400: #64748b;
  --gray-500: #475569;
  --gray-600: #334155;
  --warning: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --sidebar-w: 260px;
  --header-h: 56px;
  --content-max: 780px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.3);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body { font-family: 'Inter', -apple-system, sans-serif; color: var(--gray-200); line-height: 1.7; background: var(--dark); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1,h2,h3,h4,h5,h6 { font-family: 'Space Grotesk', 'Inter', sans-serif; color: var(--white); line-height: 1.2; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

/* ═══ LAYOUT ═══════════════════════════════════════════════════ */
.docs-shell { display: flex; min-height: 100vh; }

/* ═══ SIDEBAR ══════════════════════════════════════════════════ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w); background: var(--dark-2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 80; overflow: hidden;
}

.sidebar-head {
  padding: 18px 20px; display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.sidebar-head img { width: 30px; height: 30px; border-radius: 8px; }
.sidebar-head span { font-weight: 700; font-size: .95rem; color: var(--white); }
.sidebar-badge { padding: 2px 9px; background: var(--primary-subtle); color: var(--primary-light); border-radius: 20px; font-size: .62rem; font-weight: 700; letter-spacing: .06em; }

.sidebar-search {
  padding: 14px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.sidebar-search input {
  width: 100%; padding: 9px 12px 9px 34px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); color: var(--white);
  font-size: .8rem; font-family: inherit; outline: none; transition: all .2s;
}
.sidebar-search input::placeholder { color: var(--gray-400); }
.sidebar-search input:focus { border-color: var(--primary); background: rgba(37,99,235,0.04); }
.sidebar-search-wrap { position: relative; }
.sidebar-search-wrap::before {
  content: '🔍'; position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  font-size: .72rem; pointer-events: none;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0 24px; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--gray-600); border-radius: 4px; }

.nav-group { margin-bottom: 8px; }
.nav-group-label {
  padding: 8px 20px 6px; font-size: .65rem; font-weight: 700;
  color: var(--gray-400); text-transform: uppercase; letter-spacing: .12em;
  display: flex; align-items: center; gap: 6px;
}
.nav-group-label .ico { font-size: .75rem; }

.nav-link {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 20px 7px 28px; font-size: .82rem;
  color: var(--gray-300); transition: all .15s;
  border-left: 2px solid transparent; cursor: pointer;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.03); }
.nav-link.active { color: var(--primary-light); background: var(--primary-subtle); border-left-color: var(--primary); font-weight: 600; }
.nav-link .soon {
  margin-left: auto; font-size: .58rem; font-weight: 700;
  padding: 1px 6px; background: rgba(255,255,255,0.05);
  border-radius: 3px; color: var(--gray-400); text-transform: uppercase; letter-spacing: .05em;
}

.sidebar-foot {
  padding: 14px 20px; border-top: 1px solid var(--border); flex-shrink: 0;
}
.sidebar-foot a {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff;
  font-size: .78rem; font-weight: 700; justify-content: center;
  transition: background .2s;
}
.sidebar-foot a:hover { background: var(--primary-dark); }

/* ═══ MAIN ═════════════════════════════════════════════════════ */
.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; }

/* ═══ HEADER ═══════════════════════════════════════════════════ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h); display: flex; align-items: center;
  padding: 0 32px; gap: 16px;
  background: rgba(11,17,32,0.85); backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.topbar-crumbs { display: flex; align-items: center; gap: 6px; font-size: .78rem; }
.topbar-crumbs a { color: var(--gray-400); transition: color .15s; }
.topbar-crumbs a:hover { color: var(--primary-light); }
.topbar-crumbs .sep { color: var(--gray-500); font-size: .65rem; }
.topbar-crumbs .current { color: var(--gray-200); font-weight: 500; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; }
.topbar-btn {
  padding: 6px 12px; background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-2); border-radius: 6px;
  color: var(--gray-300); font-size: .75rem; cursor: pointer; transition: all .15s;
  display: inline-flex; align-items: center; gap: 5px;
}
.topbar-btn:hover { border-color: var(--gray-400); color: var(--white); }

/* ═══ CONTENT AREA ═════════════════════════════════════════════ */
.content { flex: 1; padding: 40px 48px 64px; max-width: calc(var(--content-max) + 96px); }

/* ═══ HUB PAGE ═════════════════════════════════════════════════ */
.hub-hero { margin-bottom: 40px; }
.hub-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; letter-spacing: -.03em; }
.hub-hero p { color: var(--gray-300); font-size: .95rem; max-width: 520px; }

.hub-search { position: relative; max-width: 480px; margin-bottom: 44px; }
.hub-search input {
  width: 100%; padding: 13px 16px 13px 42px;
  background: var(--dark-3); border: 1px solid var(--border-2);
  border-radius: var(--radius); color: var(--white);
  font-size: .9rem; font-family: inherit; outline: none; transition: all .2s;
}
.hub-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.hub-search input::placeholder { color: var(--gray-400); }
.hub-search::before { content: '🔍'; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: .85rem; pointer-events: none; }
.hub-search .kbd { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); padding: 2px 7px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-2); border-radius: 5px; font-size: .62rem; color: var(--gray-400); }

/* ── Quick Start Banner ──────────────── */
.qs-banner {
  display: flex; align-items: center; gap: 20px;
  padding: 20px 24px; margin-bottom: 40px;
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(6,214,160,0.05) 100%);
  border: 1px solid rgba(37,99,235,0.15); border-radius: var(--radius);
}
.qs-banner .ico { font-size: 1.6rem; flex-shrink: 0; }
.qs-banner h3 { font-size: .95rem; font-weight: 700; margin-bottom: 3px; }
.qs-banner p { font-size: .82rem; color: var(--gray-300); }
.qs-banner .arrow { margin-left: auto; font-size: .85rem; color: var(--primary-light); flex-shrink: 0; transition: transform .2s; }
.qs-banner:hover .arrow { transform: translateX(4px); }

/* ── Topic Cards ─────────────────────── */
.topic-section { margin-bottom: 44px; }
.topic-section-title {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .12em; color: var(--gray-400); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.topic-section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.topic-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

.topic-card {
  padding: 22px; background: var(--dark-2);
  border: 1px solid var(--border-2); border-radius: var(--radius);
  transition: all .25s; cursor: pointer;
}
.topic-card:hover { border-color: rgba(37,99,235,0.3); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.topic-card .card-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.topic-card .card-ico {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.topic-card .card-ico.blue { background: rgba(37,99,235,0.1); }
.topic-card .card-ico.green { background: rgba(6,214,160,0.1); }
.topic-card .card-ico.purple { background: rgba(139,92,246,0.1); }
.topic-card .card-ico.orange { background: rgba(245,158,11,0.1); }
.topic-card .card-ico.pink { background: rgba(236,72,153,0.1); }
.topic-card .card-ico.teal { background: rgba(20,184,166,0.1); }

.topic-card h3 { font-size: .92rem; font-weight: 700; }
.topic-card .card-desc { font-size: .8rem; color: var(--gray-300); line-height: 1.6; margin-bottom: 14px; }
.topic-card .card-links { list-style: none; }
.topic-card .card-links a {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0; font-size: .8rem; color: var(--gray-300); transition: all .15s;
}
.topic-card .card-links a::before { content: '→'; font-size: .7rem; color: var(--gray-500); transition: all .15s; }
.topic-card .card-links a:hover { color: var(--primary-light); }
.topic-card .card-links a:hover::before { color: var(--primary-light); transform: translateX(3px); }
.topic-card .card-links .soon-link {
  opacity: .45; cursor: default;
}
.topic-card .card-links .soon-link::after {
  content: 'Soon'; margin-left: auto; font-size: .55rem; font-weight: 700;
  padding: 1px 5px; background: rgba(255,255,255,0.05); border-radius: 3px;
  color: var(--gray-400); text-transform: uppercase; letter-spacing: .05em;
}
.topic-card .card-links .soon-link:hover { color: var(--gray-300); }
.topic-card .card-links .soon-link:hover::before { transform: none; color: var(--gray-500); }

/* ── Help Footer ─────────────────────── */
.help-row {
  display: flex; gap: 14px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.help-card {
  flex: 1; display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; background: var(--dark-2);
  border: 1px solid var(--border-2); border-radius: var(--radius);
  transition: all .2s;
}
.help-card:hover { border-color: var(--primary); }
.help-card .ico { font-size: 1.2rem; }
.help-card span { font-size: .82rem; font-weight: 600; color: var(--gray-200); }

/* ═══ ARTICLE PAGE ═════════════════════════════════════════════ */
.article-head { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.article-head h1 { font-size: 1.9rem; font-weight: 800; letter-spacing: -.03em; margin-bottom: 10px; }
.article-head p { font-size: .95rem; color: var(--gray-300); line-height: 1.7; }
.article-meta { display: flex; gap: 16px; margin-top: 14px; font-size: .75rem; color: var(--gray-400); }
.article-meta .tag { padding: 3px 10px; background: var(--primary-subtle); color: var(--primary-light); border-radius: 20px; font-weight: 600; }

/* ── On This Page (TOC inline) ─────── */
.toc-box {
  padding: 18px 22px; margin-bottom: 36px;
  background: var(--dark-2); border: 1px solid var(--border-2);
  border-radius: var(--radius);
}
.toc-box h4 { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin-bottom: 10px; }
.toc-box ul { list-style: none; columns: 2; column-gap: 24px; }
.toc-box a { display: block; padding: 4px 0; font-size: .82rem; color: var(--gray-300); transition: color .15s; }
.toc-box a:hover { color: var(--primary-light); }

/* ── Section ───────────────────────── */
.doc-section { margin-bottom: 12px; }
.doc-section + .doc-section { border-top: 1px solid var(--border); }

/* ── Accordion ─────────────────────── */
.accordion-trigger {
  width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 20px 0 16px; background: none; border: none;
  cursor: pointer; text-align: left;
}
.accordion-trigger h2 {
  font-size: 1.25rem; font-weight: 700; flex: 1;
  margin: 0; transition: color .15s;
}
.accordion-trigger:hover h2 { color: var(--primary-light); }
.accordion-trigger .chevron {
  font-size: .7rem; color: var(--gray-400); transition: transform .25s;
  width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.04); border-radius: 6px; flex-shrink: 0;
}
.accordion-trigger[aria-expanded="true"] .chevron { transform: rotate(90deg); }
.accordion-trigger .sec-icon { font-size: 1.1rem; }
.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height .35s cubic-bezier(.4,0,.2,1), padding .35s;
  padding: 0 0 0 0;
}
.accordion-body.open { max-height: 4000px; padding: 0 0 28px 0; }

/* ── Article body typography ─────── */
.article-body h3 { font-size: 1.05rem; font-weight: 700; margin: 28px 0 12px; }
.article-body p { font-size: .9rem; color: var(--gray-200); line-height: 1.8; margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 20px; }
.article-body li { font-size: .9rem; color: var(--gray-200); line-height: 1.8; margin-bottom: 6px; }
.article-body strong { color: var(--white); font-weight: 600; }
.article-body a { color: var(--primary-light); border-bottom: 1px solid rgba(59,130,246,0.2); transition: border-color .15s; }
.article-body a:hover { border-color: var(--primary-light); }
.article-body code { padding: 2px 6px; background: rgba(37,99,235,0.08); color: var(--primary-light); border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: .85em; }

/* ── Steps ─────────────────────────── */
.steps { margin: 24px 0; }
.step {
  display: flex; gap: 16px; padding: 18px 20px;
  background: var(--dark-2); border: 1px solid var(--border-2);
  border-radius: var(--radius); margin-bottom: 10px;
  transition: border-color .2s;
}
.step:hover { border-color: rgba(37,99,235,0.2); }
.step-num {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary); color: #fff; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 800; font-family: 'Space Grotesk', sans-serif;
}
.step h4 { font-size: .88rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.step p { font-size: .82rem; color: var(--gray-300); margin: 0; line-height: 1.6; }
.step ul { margin: 8px 0 0; padding-left: 16px; }
.step li { font-size: .82rem; color: var(--gray-300); line-height: 1.6; }

/* ── Callouts ──────────────────────── */
.callout {
  display: flex; gap: 14px; padding: 16px 20px;
  border-radius: var(--radius); margin: 20px 0;
  border-left: 3px solid;
}
.callout .ico { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.callout strong { display: block; font-size: .82rem; color: var(--white); margin-bottom: 4px; }
.callout p { font-size: .82rem; line-height: 1.6; margin: 0; }
.callout.info { background: rgba(37,99,235,0.06); border-color: var(--primary); color: var(--gray-200); }
.callout.warning { background: rgba(245,158,11,0.06); border-color: var(--warning); color: var(--gray-200); }
.callout.success { background: rgba(16,185,129,0.06); border-color: var(--success); color: var(--gray-200); }

/* ── Doc Images ────────────────────── */
.doc-img {
  display: block; width: 100%; max-width: 100%;
  margin: 24px 0; border-radius: var(--radius);
  border: 1px solid var(--border-2);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}

/* ── Image Placeholder (fallback) ──── */
.img-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 40px 20px; margin: 24px 0;
  background: var(--dark-2); border: 1px dashed var(--border-2);
  border-radius: var(--radius); color: var(--gray-400);
}
.img-placeholder .ico { font-size: 1.8rem; margin-bottom: 8px; }
.img-placeholder span { font-size: .78rem; }

/* ── Feature Grid ──────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 24px; }
.feature-card {
  padding: 18px; text-align: center;
  background: var(--dark-2); border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); transition: all .2s;
}
.feature-card:hover { border-color: rgba(37,99,235,0.2); }
.feature-card .ico { font-size: 1.3rem; margin-bottom: 8px; }
.feature-card h4 { font-size: .82rem; font-weight: 700; margin-bottom: 4px; }
.feature-card p { font-size: .75rem; color: var(--gray-300); line-height: 1.5; margin: 0; }

/* ── Tables ────────────────────────── */
.doc-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .85rem; }
.doc-table thead { background: var(--dark-3); }
.doc-table th { padding: 10px 14px; text-align: left; font-size: .72rem; font-weight: 700; color: var(--gray-300); text-transform: uppercase; letter-spacing: .08em; border-bottom: 2px solid var(--border-2); }
.doc-table td { padding: 10px 14px; color: var(--gray-200); border-bottom: 1px solid var(--border); }
.doc-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.doc-table code { padding: 1px 5px; background: rgba(37,99,235,0.08); color: var(--primary-light); border-radius: 3px; font-family: 'JetBrains Mono', monospace; font-size: .85em; }

/* ── Article Footer ────────────────── */
.article-foot { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }
.feedback-row { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; font-size: .82rem; color: var(--gray-400); }
.feedback-btn {
  padding: 5px 12px; background: var(--dark-3); border: 1px solid var(--border-2);
  border-radius: 6px; color: var(--gray-200); font-size: .78rem; cursor: pointer; transition: all .15s;
}
.feedback-btn:hover { border-color: var(--primary); color: var(--white); }

.nav-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.nav-card {
  padding: 16px 20px; background: var(--dark-2);
  border: 1px solid var(--border-2); border-radius: var(--radius);
  transition: all .2s;
}
.nav-card:hover { border-color: var(--primary); }
.nav-card .label { font-size: .65rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.nav-card .title { font-size: .88rem; font-weight: 700; color: var(--white); }
.nav-card.next { text-align: right; }

/* ── Next Links (card style) ───────── */
.next-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 20px 0; }
.next-card {
  display: flex; gap: 12px; padding: 16px;
  background: var(--dark-2); border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); transition: all .2s;
}
.next-card:hover { border-color: var(--primary); transform: translateY(-1px); }
.next-card .ico { font-size: 1.2rem; flex-shrink: 0; }
.next-card strong { display: block; font-size: .85rem; color: var(--white); margin-bottom: 2px; }
.next-card p { font-size: .75rem; color: var(--gray-300); margin: 0; line-height: 1.5; }

/* ═══ FOOTER ═══════════════════════════════════════════════════ */
.docs-foot {
  padding: 24px 48px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: .75rem; color: var(--gray-400);
}
.docs-foot a { color: var(--gray-400); transition: color .15s; margin-left: 16px; }
.docs-foot a:hover { color: var(--gray-200); }

/* ═══ MOBILE SIDEBAR TOGGLE ═══════════════════════════════════ */
.sidebar-toggle {
  display: none; position: fixed; bottom: 20px; right: 20px; z-index: 200;
  width: 48px; height: 48px; background: var(--primary); border: none;
  border-radius: 50%; color: #fff; font-size: 1.2rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
  align-items: center; justify-content: center;
}

/* ═══ RESPONSIVE ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); transition: transform .3s cubic-bezier(.4,0,.2,1); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .content { padding: 28px 20px 48px; }
  .topbar { padding: 0 20px; }
  .docs-foot { padding: 20px; flex-direction: column; gap: 8px; text-align: center; }
  .docs-foot a { margin-left: 8px; }
  .topic-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .toc-box ul { columns: 1; }
  .nav-cards { grid-template-columns: 1fr; }
  .help-row { flex-direction: column; }
  .hub-search { max-width: 100%; }
}

@media (max-width: 768px) {
  .sidebar { width: 100%; }
  .content { padding: 24px 16px 40px; }
  .topbar { padding: 0 16px; }
  .article-head h1 { font-size: 1.8rem; }
  .hub-hero h1 { font-size: 1.8rem; }
  body { font-size: 15px; }
}

@media (max-width: 640px) {
  .sidebar { width: 100%; }
  .content { padding: 20px 14px 36px; }
  .topbar { padding: 0 14px; }
  .article-head h1 { font-size: 1.6rem; }
  .hub-hero h1 { font-size: 1.6rem; }
  .feature-grid { grid-template-columns: 1fr; }
  body { font-size: 14px; }
  .main-text { font-size: 14px; line-height: 1.6; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .article-head h1 { font-size: 1.4rem; }
  .hub-hero h1 { font-size: 1.4rem; }
  .content { padding: 16px 12px 32px; }
  .topbar { padding: 0 12px; }
  .sidebar-head { padding: 14px 16px; }
  .sidebar-search { padding: 10px 12px; }
  .sidebar-nav { padding: 8px 0 16px; }
  .nav-link { padding: 5px 16px 5px 24px; font-size: .78rem; }
  .nav-group-label { padding: 6px 16px 4px; }
  body { font-size: 13px; }
  .main-text { font-size: 13px; line-height: 1.5; }
  .sidebar-toggle { font-size: 1.2rem; padding: 8px; }
  h1 { font-size: 1.3rem; }
  h2 { font-size: 1.1rem; }
  h3 { font-size: 1rem; }
}

/* ═══ OVERLAY (mobile) ═════════════════════════════════════════ */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 79;
}
.sidebar-overlay.show { display: block; }