/* ============================================================
   DiagMyPCHub — Motherboard & BIOS/UEFI tutorial hub
   Local stylesheet. Depends on the site design tokens from
   ../../css/style.css (loaded first in <head>). All tutorial
   styles are namespaced with the "mb-" prefix.
   ============================================================ */

/* ---------- Reading progress ---------- */
.mb-progress{ position:fixed; top:0; left:0; right:0; height:3px; z-index:120; background:transparent; pointer-events:none; }
.mb-progress span{ display:block; height:100%; width:0; background:linear-gradient(90deg, var(--blue), var(--cyan-bright)); }

/* ---------- Grid: TOC + article ---------- */
.mb-grid{ display:grid; grid-template-columns:1fr; gap:40px; padding-top:clamp(32px,5vw,56px); padding-bottom:clamp(56px,8vw,96px); }
.mb-toc{ display:none; }
.mb-toc-title{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.14em; color:var(--ink-3); margin:0 0 12px; }
.mb-toc ul{ display:grid; gap:1px; border-left:1px solid var(--line); }
.mb-toc a{ display:block; padding:6px 14px; margin-left:-1px; border-left:2px solid transparent; color:var(--ink-2); text-decoration:none; font-size:.85rem; transition:color .2s, border-color .2s; }
.mb-toc a:hover{ color:var(--ink); }
.mb-toc a[aria-current="true"]{ color:var(--blue); border-left-color:var(--blue); font-weight:500; }

/* ---------- Article head ---------- */
.mb-article{ max-width:820px; }
.mb-head h1{ font-size:clamp(1.8rem, 1.2rem + 2.4vw, 2.7rem); font-weight:700; letter-spacing:-.02em; line-height:1.12; margin:0 0 20px; }
.mb-intro{ font-size:1.05rem; color:var(--ink-2); line-height:1.65; margin:0 0 16px; }

/* ---------- Warnings & callouts ---------- */
.mb-warn{ display:flex; gap:14px; align-items:flex-start; background:#fdf6e9; border:1px solid #f0d9a8; border-left:4px solid var(--warn); border-radius:var(--radius); padding:16px 18px; margin:20px 0; }
.mb-warn-ico{ flex:none; width:24px; height:24px; display:grid; place-items:center; border-radius:50%; background:var(--warn); color:#3a2a05; font:700 1rem/1 var(--font-display); }
.mb-warn p{ margin:0 0 8px; }
.mb-warn p:last-child{ margin:0; }
.mb-warn-title{ font-weight:600; font-size:.98rem; color:var(--ink); }
.mb-warn-text{ font-size:.9rem; color:var(--ink-2); }
.mb-callout{ display:flex; gap:12px; align-items:flex-start; border-radius:var(--radius); padding:14px 16px; margin:20px 0; font-size:.93rem; }
.mb-callout p{ margin:0; }
.mb-note{ background:var(--tint); border:1px solid var(--blue-soft); color:var(--ink-2); }

/* ---------- Static image placeholder (self-hiding) ---------- */
.mb-figure{ margin:28px 0; }
.mb-figure[data-empty="true"]{ display:none; }
.mb-figure img{ display:block; width:100%; aspect-ratio:21/9; object-fit:cover; border-radius:var(--radius); border:1px solid var(--line); background:var(--surface); }
.mb-figure figcaption{ font:400 .75rem var(--font-mono); color:var(--ink-3); margin-top:10px; line-height:1.5; }
.mb-figure .mono{ font-family:var(--font-mono); }

/* ---------- Sections ---------- */
.mb-sec{ margin-top:clamp(48px, 6vw, 72px); scroll-margin-top:80px; }
.mb-sec-head{ display:flex; align-items:flex-end; gap:16px; margin-bottom:18px; }
.mb-sec-index{ font:600 .95rem var(--font-mono); color:var(--line-2); letter-spacing:.08em; padding-bottom:6px; flex:none; }
.mb-sec-kicker{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin:0 0 5px; }
.mb-sec-head h2{ font-size:clamp(1.4rem, 1.05rem + 1.6vw, 1.95rem); font-weight:600; letter-spacing:-.015em; margin:0; line-height:1.15; }
.mb-sec-lede{ color:var(--ink-2); margin:0 0 20px; max-width:75ch; }
.mb-sub{ font-size:1.12rem; font-weight:600; margin:32px 0 12px; }

/* ---------- Topics (standalone tutorial concepts) ---------- */
.mb-topic{ margin:0 0 30px; padding-left:16px; border-left:3px solid var(--line-2); scroll-margin-top:80px; transition:border-color .25s; }
.mb-topic:hover{ border-left-color:var(--blue); }
.mb-topic h3{ font-size:1.15rem; font-weight:600; letter-spacing:-.01em; margin:0 0 10px; }
.mb-topic p{ color:var(--ink-2); line-height:1.65; margin:0 0 12px; font-size:.98rem; }
.mb-topic p:last-child{ margin:0; }

/* ---------- Numbered steps ---------- */
.mb-steps{ list-style:none; counter-reset:step; margin:16px 0; padding:0; display:grid; gap:10px; }
.mb-steps li{ counter-increment:step; position:relative; padding:12px 14px 12px 52px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); color:var(--ink-2); font-size:.95rem; line-height:1.55; }
.mb-steps li::before{ content:counter(step, decimal-leading-zero); position:absolute; left:14px; top:12px; font:600 .78rem var(--font-mono); color:var(--blue); }
.mb-steps strong{ color:var(--ink); }

/* ---------- Symptom selector ---------- */
.mb-sel{ margin:20px 0; }
.mb-sel-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(200px, 1fr)); gap:10px; }
.mb-sel-btn{ text-align:left; padding:12px 14px; background:var(--surface); border:1px solid var(--line-2); border-radius:10px; color:var(--ink); font:500 .92rem var(--font-body); cursor:pointer; transition:border-color .2s, background .2s, transform .15s; }
.mb-sel-btn:hover{ border-color:var(--blue); transform:translateY(-1px); }
.mb-sel-btn[aria-pressed="true"]{ background:var(--blue); border-color:var(--blue); color:#fff; }
.mb-sel-panel{ margin-top:16px; background:var(--tint); border:1px solid var(--blue-soft); border-radius:var(--radius); padding:18px 20px; }
.mb-sel-panel h3{ font-size:1.02rem; margin:0 0 8px; }
.mb-sel-panel p{ margin:0 0 8px; font-size:.95rem; color:var(--ink-2); }
.mb-sel-panel p:last-child{ margin:0; }
.mb-sel-panel a{ color:var(--blue); font-weight:500; text-decoration:underline; text-underline-offset:3px; }
.mb-sel-panel a:hover{ color:var(--blue-deep); }

/* ---------- Topic index ---------- */
.mb-idx-filters{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px; }
.mb-idx-btn{ font:500 .78rem var(--font-mono); color:var(--ink-2); background:var(--surface); border:1px solid var(--line-2); border-radius:999px; padding:7px 14px; cursor:pointer; transition:border-color .2s, color .2s, background .2s; }
.mb-idx-btn:hover{ border-color:var(--blue); color:var(--blue); }
.mb-idx-btn[aria-pressed="true"]{ background:var(--blue); border-color:var(--blue); color:#fff; }
.mb-idx-count{ font:400 .75rem var(--font-mono); color:var(--ink-3); margin:0 0 16px; }
.mb-idx-grid{ display:grid; grid-template-columns:1fr; gap:10px; }
.mb-idx-card{ display:flex; align-items:center; gap:12px; padding:12px 14px; background:var(--surface); border:1px solid var(--line); border-radius:10px; text-decoration:none; color:var(--ink); transition:border-color .2s, transform .2s, box-shadow .2s; }
.mb-idx-card:hover{ border-color:var(--blue); transform:translateY(-2px); box-shadow:var(--shadow-1); }
.mb-idx-card.is-hidden{ display:none; }
.mb-idx-num{ font:600 .72rem var(--font-mono); color:var(--ink-3); flex:none; width:26px; }
.mb-idx-title{ font-size:.93rem; line-height:1.4; flex:1; }
.mb-idx-tag{ flex:none; font:600 .68rem var(--font-mono); width:22px; height:22px; display:grid; place-items:center; border-radius:6px; }
.mb-idx-tag.c-a{ background:var(--tint); color:var(--blue-deep); }
.mb-idx-tag.c-b{ background:#e5f7fb; color:#0b6e7c; }
.mb-idx-tag.c-c{ background:#eef6ec; color:#2f6b2f; }
.mb-idx-tag.c-d{ background:#fdf1e5; color:#8a4b12; }
.mb-idx-tag.c-e{ background:#fdecec; color:#9c2f2f; }
.mb-idx-tag.c-f{ background:#f0ecfa; color:#5b3fa8; }

/* ---------- Severity / status chips ---------- */
.sev{ display:inline-block; font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.05em; padding:3px 9px; border-radius:999px; white-space:nowrap; }
.sev-stop{ background:#fdecec; color:#9c2f2f; border:1px solid #f2c4c4; }
.sev-soon{ background:#eef6ec; color:#2f6b2f; border:1px solid #c4dfc4; }
.sev-info{ background:var(--tint); color:var(--blue-deep); border:1px solid var(--blue-soft); }

/* ---------- Copy blocks (template / checklist) ---------- */
.mb-cmd{ position:relative; background:var(--dark-2); border:1px solid var(--dark-line); border-radius:var(--radius); padding:16px 18px 14px; margin:16px 0; overflow:hidden; }
.mb-cmd-label{ position:absolute; top:10px; right:12px; font:500 .62rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--dark-muted); }
.mb-cmd code{ display:block; font:400 .82rem/1.7 var(--font-mono); color:var(--dark-ink); white-space:pre-wrap; word-break:break-word; }
.mb-cmd-copy{ position:absolute; bottom:38px; right:12px; font:500 .72rem var(--font-mono); background:var(--dark); color:var(--dark-ink); border:1px solid var(--dark-line); border-radius:7px; padding:5px 12px; cursor:pointer; transition:border-color .2s, color .2s; }
.mb-cmd-copy:hover{ border-color:var(--cyan-bright); color:var(--cyan-bright); }
.mb-cmd-copy.is-done{ border-color:var(--ok); color:var(--ok); }
.mb-cmd-note{ font:400 .72rem var(--font-mono); color:var(--dark-muted); margin:10px 0 0; }

/* ---------- Decision tree ---------- */
.mb-tree{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:22px; margin:20px 0; box-shadow:var(--shadow-1); }
.mb-tree-status{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.12em; color:var(--blue); margin:0 0 6px; }
.mb-tree-q{ font-size:1.08rem; font-weight:600; margin:0 0 16px; line-height:1.4; }
.mb-tree-opts{ display:grid; gap:8px; margin-bottom:16px; }
.mb-tree-opt{ text-align:left; padding:11px 14px; background:var(--bg); border:1px solid var(--line-2); border-radius:9px; color:var(--ink); font:500 .92rem var(--font-body); cursor:pointer; transition:border-color .2s, background .2s; }
.mb-tree-opt:hover{ border-color:var(--blue); background:var(--tint); }
.mb-tree-rec{ background:var(--tint); border:1px solid var(--blue-soft); border-left:4px solid var(--blue); border-radius:var(--radius); padding:16px 18px; }
.mb-tree-rec p{ margin:0 0 8px; font-size:.95rem; color:var(--ink-2); }
.mb-tree-rec p:last-child{ margin:0; }
.mb-tree-rec strong{ color:var(--ink); }
.mb-tree-rec a{ color:var(--blue); font-weight:500; text-decoration:underline; text-underline-offset:3px; }
.mb-tree-rec a:hover{ color:var(--blue-deep); }
.mb-tree .btn{ margin-top:14px; }
.mb-noscript{ font-size:.92rem; color:var(--ink-2); background:var(--tint); border:1px solid var(--blue-soft); border-radius:var(--radius); padding:14px 16px; }

/* ---------- Animated circuit diagram ---------- */
.mb-diagram{ margin:24px 0; background:var(--dark-2); border:1px solid var(--dark-line); border-radius:var(--radius); padding:clamp(8px, 2vw, 18px); }
.mb-diagram svg{ width:100%; height:auto; display:block; }
.mb-glow{ animation:mbglow 7s ease-in-out infinite alternate; transform-box:fill-box; transform-origin:center; }
@keyframes mbglow{ from{ opacity:.6; } to{ opacity:1; transform:scale(1.04); } }
.mb-trace{ stroke:#24466f; stroke-width:2; fill:none; stroke-dasharray:14 10; animation:mbflow 4.5s linear infinite; }
@keyframes mbflow{ to{ stroke-dashoffset:-96; } }
.mb-power{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.mb-vrm{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.mb-vrm-lines{ stroke:#2e5f93; stroke-width:1.5; }
.mb-socket{ fill:#0e2038; stroke:#2e5f93; stroke-width:2; }
.mb-pins circle{ fill:#1e3a5f; }
.mb-core{ fill:var(--cyan-bright); animation:mbcore 2.6s ease-in-out infinite; transform-box:fill-box; transform-origin:center; }
@keyframes mbcore{ 50%{ transform:scale(1.3); opacity:.75; } }
.mb-chip{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.mb-scan{ fill:var(--cyan-bright); opacity:.5; animation:mbscan 3.2s ease-in-out infinite alternate; }
@keyframes mbscan{ from{ transform:translateX(0); } to{ transform:translateX(80px); } }
.mb-dsp{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.mb-dsp-hex{ fill:var(--cyan-bright); font:600 20px var(--font-mono); letter-spacing:4px; }
.mb-hex{ fill:var(--cyan-bright); font:600 12px var(--font-mono); letter-spacing:2px; }
.mb-label{ fill:#8aa3c4; font:500 11px var(--font-mono); letter-spacing:2px; }
.mb-label-sm{ fill:#5b7396; font:500 9px var(--font-mono); letter-spacing:1.5px; }
.mb-status{ fill:#5b7396; font:400 11px var(--font-mono); letter-spacing:1px; }
.mb-node{ fill:#0e2038; stroke:#2e5f93; stroke-width:2; }
.mb-node::after{ }
.mb-node.n-cpu{ animation:mbnode 4s ease-in-out infinite; animation-delay:0s; }
.mb-node.n-dram{ animation:mbnode 4s ease-in-out infinite; animation-delay:1s; }
.mb-node.n-vga{ animation:mbnode 4s ease-in-out infinite; animation-delay:2s; }
.mb-node.n-boot{ animation:mbnode 4s ease-in-out infinite; animation-delay:3s; }
@keyframes mbnode{ 0%, 22%, 100%{ fill:#0e2038; stroke:#2e5f93; } 8%, 14%{ fill:var(--cyan-bright); stroke:var(--cyan-bright); } }
.mb-node-label{ fill:#8aa3c4; font:600 13px var(--font-mono); letter-spacing:2px; }

/* ---------- Tables ---------- */
.table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); margin:0 0 8px; }
.table-wrap table{ width:100%; min-width:680px; border-collapse:collapse; font-size:.92rem; }
.table-wrap thead th{ font:500 .68rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--ink-2); text-align:left; padding:12px 14px; background:#f8fafc; border-bottom:1px solid var(--line); }
.table-wrap tbody td{ padding:12px 14px; border-bottom:1px solid var(--line); color:var(--ink-2); vertical-align:top; }
.table-wrap tbody td:first-child{ font-weight:600; color:var(--ink); }
.table-wrap tbody tr{ transition:background .15s; }
.table-wrap tbody tr:hover{ background:#f2f7ff; }
.table-wrap tbody tr:hover td:first-child{ box-shadow:inset 3px 0 0 var(--blue); }
.table-wrap tbody tr:last-child td{ border-bottom:0; }

/* ---------- FAQ ---------- */
.mb-faq{ display:grid; gap:10px; }
.mb-faq-item{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:border-color .2s; }
.mb-faq-item[open]{ border-color:var(--blue-soft); }
.mb-faq-sum{ list-style:none; cursor:pointer; padding:16px 18px; font-weight:600; font-size:.98rem; display:flex; align-items:center; gap:12px; color:var(--ink); }
.mb-faq-sum::-webkit-details-marker{ display:none; }
.mb-faq-ico{ margin-left:auto; position:relative; width:16px; height:16px; flex:none; }
.mb-faq-ico::before, .mb-faq-ico::after{ content:""; position:absolute; left:0; top:7px; width:16px; height:2px; background:var(--ink-3); transition:transform .25s, background .25s; }
.mb-faq-ico::after{ transform:rotate(90deg); }
.mb-faq-item[open] .mb-faq-ico::after{ transform:rotate(0); }
.mb-faq-item[open] .mb-faq-ico::before, .mb-faq-item[open] .mb-faq-ico::after{ background:var(--blue); }
.mb-faq-panel{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .35s ease; }
.mb-faq-item[open] .mb-faq-panel{ grid-template-rows:1fr; }
.mb-faq-inner{ overflow:hidden; min-height:0; visibility:hidden; transition:visibility 0s .35s; }
.mb-faq-item[open] .mb-faq-inner{ visibility:visible; transition-delay:0s; }
.mb-faq-inner p{ margin:0; padding:0 18px 16px; color:var(--ink-2); font-size:.94rem; line-height:1.65; }

/* ---------- Ecosystem ---------- */
.mb-eco-note{ font:400 .78rem var(--font-mono); color:var(--ink-3); background:var(--tint); border:1px dashed var(--blue-soft); border-radius:8px; padding:10px 14px; margin:12px 0 14px; line-height:1.5; }
.mb-planned{ list-style:none; margin:0 0 8px; padding:0; display:grid; gap:6px; }
.mb-planned li{ position:relative; padding:8px 12px 8px 28px; background:var(--surface); border:1px solid var(--line); border-radius:8px; color:var(--ink-2); font-size:.92rem; }
.mb-planned li::before{ content:"•"; position:absolute; left:12px; color:var(--blue); font-weight:700; }

/* ---------- Related guides ---------- */
.mb-related{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:16px; }
.mb-related-card{ display:flex; flex-direction:column; gap:8px; padding:18px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); text-decoration:none; color:var(--ink); transition:border-color .2s, transform .2s, box-shadow .2s; }
.mb-related-card:hover{ border-color:var(--blue); transform:translateY(-3px); box-shadow:var(--shadow-1); }
.mb-related-title{ font-size:1.05rem; font-weight:600; margin:0; }
.mb-related-sub{ font-size:.88rem; color:var(--ink-2); line-height:1.5; }

/* ---------- Footer note ---------- */
.mb-foot{ margin-top:48px; padding-top:20px; border-top:1px solid var(--line); font:400 .78rem/1.6 var(--font-mono); color:var(--ink-3); }
.mb-foot p{ margin:0; }

/* ---------- Ad slot (self-hiding, matches site convention) ---------- */
.ad-wrap{ margin:56px 0; }
.ad-slot{ display:none; }
.ad-slot:not(:empty){ display:flex; align-items:center; justify-content:center; position:relative; max-width:760px; min-height:250px; margin-inline:auto; border:1px dashed var(--line-2); background:var(--surface); border-radius:var(--radius); overflow:hidden; }
.ad-slot:not(:empty)::before{ content:"Advertisement"; position:absolute; top:8px; right:12px; font:500 .62rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--ink-3); }
.ad-slot:not(:empty) *{ max-width:100%; }

/* ---------- Dark theme (local components) ---------- */
[data-theme="dark"] .mb-steps li{ background:var(--surface); }
[data-theme="dark"] .mb-warn{ background:#2a2110; border-color:#6b5426; border-left-color:var(--warn); }
[data-theme="dark"] .mb-warn-title{ color:var(--ink); }
[data-theme="dark"] .mb-warn-text{ color:var(--ink-2); }
[data-theme="dark"] .mb-callout.mb-note{ background:var(--tint); }
[data-theme="dark"] .mb-sel-btn{ background:var(--surface); }
[data-theme="dark"] .mb-sel-btn[aria-pressed="true"]{ background:var(--blue); color:#fff; }
[data-theme="dark"] .mb-idx-card{ background:var(--surface); }
[data-theme="dark"] .mb-idx-tag.c-b{ background:#0f2f36; color:#5fd4e8; }
[data-theme="dark"] .mb-idx-tag.c-c{ background:#15291a; color:#6fc98a; }
[data-theme="dark"] .mb-idx-tag.c-d{ background:#2e2113; color:#e8a75f; }
[data-theme="dark"] .mb-idx-tag.c-e{ background:#2e1717; color:#e88a8a; }
[data-theme="dark"] .mb-idx-tag.c-f{ background:#221b3a; color:#b39df0; }
[data-theme="dark"] .sev-stop{ background:#2e1717; color:#e88a8a; border-color:#5a2c2c; }
[data-theme="dark"] .sev-soon{ background:#15291a; color:#6fc98a; border-color:#2c4a33; }
[data-theme="dark"] .sev-info{ background:var(--tint); color:var(--blue-deep); border-color:var(--blue-soft); }
[data-theme="dark"] .mb-tree{ background:var(--surface); }
[data-theme="dark"] .mb-tree-opt{ background:var(--bg); }
[data-theme="dark"] .mb-tree-opt:hover{ background:var(--tint); }
[data-theme="dark"] .mb-tree-rec{ background:var(--tint); }
[data-theme="dark"] .mb-tree-rec a{ color:var(--blue); }
[data-theme="dark"] .mb-tree-rec a:hover{ color:var(--blue-deep); }
[data-theme="dark"] .mb-table-hint{ color:var(--ink-3); }
[data-theme="dark"] .mb-planned li{ background:var(--surface); }
[data-theme="dark"] .mb-related-card{ background:var(--surface); }
[data-theme="dark"] .mb-faq-item{ background:var(--surface); }
[data-theme="dark"] .mb-eco-note{ background:var(--tint); }
[data-theme="dark"] .mb-diagram{ background:#060d18; border-color:var(--dark-line); }
[data-theme="dark"] .table-wrap thead th{ background:#0f1c30; }
[data-theme="dark"] .table-wrap tbody tr:hover{ background:#14233a; }
[data-theme="dark"] .mb-progress span{ background:linear-gradient(90deg, var(--blue), var(--cyan-bright)); }

/* ---------- Responsive ---------- */
@media (min-width:560px){
  .mb-idx-grid{ grid-template-columns:repeat(2, 1fr); }
  .mb-related{ grid-template-columns:repeat(2, 1fr); }
}
@media (min-width:1000px){
  .mb-grid{ grid-template-columns:230px minmax(0, 1fr); gap:48px; }
  .mb-toc{ display:block; position:sticky; top:calc(var(--header-h, 64px) + 20px); align-self:start; max-height:calc(100vh - 100px); overflow-y:auto; }
}
@media (max-width:559px){
  .mb-sec-head{ gap:12px; }
  .mb-sec-index{ font-size:.85rem; }
  .mb-tree{ padding:16px; }
  .mb-cmd{ padding:28px 14px 12px; }
  .mb-cmd-copy{ bottom:34px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .mb-progress span{ transition:none; }
  .mb-trace{ animation:none; }
  .mb-core, .mb-glow, .mb-scan, .mb-node.n-cpu, .mb-node.n-dram, .mb-node.n-vga, .mb-node.n-boot{ animation:none; }
  .mb-node.n-cpu, .mb-node.n-dram, .mb-node.n-vga, .mb-node.n-boot{ fill:var(--cyan-bright); stroke:var(--cyan-bright); }
  .mb-faq-panel, .mb-faq-inner{ transition:none; }
}

/* ---------- Print ---------- */
@media print{
  .mb-progress, .mb-toc, .mb-sel, .mb-idx-filters, .mb-tree, .mb-cmd-copy, .mb-diagram, .ad-wrap, .mb-figure, .to-top, .toast, .consent{ display:none !important; }
  .mb-grid{ display:block; }
  .mb-article{ max-width:none; }
  .mb-topic, .mb-sec{ break-inside:avoid; }
  body{ background:#fff; }
}