/* ============================================================
   DiagMyPCHub — tutorial: my printer won't print
   Scoped to .prn-* only. The existing design system
   (css/style.css) is reused; dark theme via
   [data-theme="dark"] overrides near the end of this file.
   ============================================================ */

html { scroll-behavior: smooth; }

/* ---------- Reading progress ---------- */
.prn-progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 120;
  width: 100%;
  height: 3px;
  background: transparent;
  pointer-events: none;
}
.prn-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Layout: TOC + article ---------- */
.prn-grid { display: grid; grid-template-columns: 1fr; gap: 36px; padding: 34px 0 20px; }
.prn-toc { display: none; }
.prn-toc-title {
  font: 500 0.7rem var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin: 0 0 12px;
}
.prn-toc ul { border-left: 1px solid var(--line); }
.prn-toc a {
  display: block;
  padding: 6px 0 6px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s, border-color 0.2s;
}
.prn-toc a:hover { color: var(--ink); }
.prn-toc a.is-active { color: var(--blue); border-left-color: var(--blue); font-weight: 600; }

/* ---------- Article head ---------- */
.prn-head h1 {
  font-size: clamp(1.9rem, 1.2rem + 2.6vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.prn-intro { color: var(--ink-2); font-size: 1.02rem; }

/* ---------- Hero image placeholder (auto-hides when empty) ---------- */
.prn-figure {
  margin: 26px 0 6px;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.prn-figure[data-empty="true"] { display: none; }
.prn-figure img { display: block; width: 100%; height: auto; }
.prn-figure figcaption {
  padding: 10px 14px;
  font: 400 0.72rem/1.6 var(--font-mono);
  color: var(--ink-3);
  border-top: 1px dashed var(--line-2);
}

/* ---------- Symptom picker ---------- */
.prn-picks { margin: 30px 0 6px; }
.prn-picks-label,
.prn-most-label {
  font: 500 0.7rem var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin: 0 0 12px;
}
.prn-picks a {
  display: inline-block;
  margin: 0 8px 8px 0;
  padding: 8px 15px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.86rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.prn-picks a:hover, .prn-picks a:focus-visible { border-color: var(--blue); color: var(--blue); background: var(--tint); }

/* ---------- Most common causes ---------- */
.prn-most { margin: 28px 0 6px; }
.prn-most-grid { display: grid; gap: 12px; }
.prn-most-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.prn-most-card:hover, .prn-most-card:focus-visible { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-1); }
.prn-most-rank {
  flex: none;
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  font: 600 0.78rem var(--font-mono);
  color: var(--blue-deep);
  background: var(--tint);
  border-radius: 8px;
}
.prn-most-body { display: grid; gap: 2px; }
.prn-most-body strong { font-size: 0.95rem; color: var(--ink); font-weight: 600; }
.prn-most-body span:not(.prn-most-rank) { font-size: 0.84rem; color: var(--ink-2); }

/* ---------- Sections ---------- */
.prn-sec { margin-top: 46px; scroll-margin-top: 84px; }
.prn-sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 10px; }
.prn-sec-index { font: 600 0.95rem var(--font-mono); color: var(--line-2); letter-spacing: 0.06em; flex: none; }
.prn-sec-kicker { font: 500 0.7rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--blue); margin: 0 0 4px; }
.prn-sec-head h2 { font-size: clamp(1.3rem, 1rem + 1.2vw, 1.7rem); font-weight: 600; letter-spacing: -0.01em; margin: 0; }
.prn-sec-lede { color: var(--ink-2); font-size: 0.96rem; margin: 0 0 20px; max-width: 72ch; }

/* ---------- Decision tree ---------- */
.prn-tree { list-style: none; margin: 18px 0 0; padding: 0; }
.prn-tree-node {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  transition: border-color 0.2s;
}
.prn-tree-node:hover { border-color: var(--line-2); }
.prn-tree-node.flash, .prn-art.flash { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(15, 91, 215, 0.14); }
.prn-tree-num {
  font: 600 0.64rem var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--blue);
  background: var(--tint);
  border: 1px solid var(--blue-soft);
  border-radius: 6px;
  padding: 3px 8px;
  display: inline-block;
  margin-bottom: 8px;
}
.prn-tree-q { font: 600 1.02rem var(--font-display); margin: 0 0 4px; }
.prn-tree-q em { font-style: normal; color: var(--blue-deep); }
.prn-tree-p { font-size: 0.86rem; color: var(--ink-2); margin: 0 0 12px; max-width: 64ch; }
.prn-tree-branch { display: flex; flex-wrap: wrap; gap: 8px; }
.prn-tree-no, .prn-tree-yes {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 0.8rem var(--font-body);
  padding: 7px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s;
}
.prn-tree-no { color: var(--blue-deep); background: var(--tint); border: 1px solid var(--blue-soft); }
.prn-tree-yes { color: #06281c; background: var(--ok); border: 1px solid var(--ok); }
.prn-tree-no:hover, .prn-tree-yes:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); }
.prn-tree-conn { height: 22px; display: flex; justify-content: center; }
.prn-tree-conn span { width: 2px; height: 100%; background: var(--line-2); }
.prn-tree-final { border-color: var(--blue-soft); }
.prn-tree-adv { margin-top: 14px; }
.prn-tree-adv summary { cursor: pointer; font: 600 0.82rem var(--font-body); color: var(--blue); padding: 6px 0; }
.prn-tree-adv-in { border-top: 1px dashed var(--line-2); padding-top: 10px; margin-top: 4px; }
.prn-tree-adv-in p { font-size: 0.88rem; color: var(--ink-2); margin: 0 0 8px; }

/* ---------- Did this fix it? ---------- */
.prn-verdict {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.prn-verdict.is-fixed { border-color: var(--ok); box-shadow: 0 0 0 4px rgba(47, 191, 143, 0.15); }
.prn-verdict.is-notfix { border-color: var(--warn); box-shadow: 0 0 0 4px rgba(245, 180, 83, 0.15); }
.prn-verdict-label { font: 600 0.95rem var(--font-display); margin: 0 0 10px; }
.prn-verdict-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.prn-vbtn {
  font: 600 0.82rem var(--font-body);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.15s;
}
.prn-vbtn:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.prn-vbtn-yes { color: #06281c; background: var(--ok); border-color: var(--ok); }
.prn-vbtn-yes:hover { color: #06281c; background: var(--ok); border-color: var(--ok); }
.prn-verdict-msg { min-height: 1.4em; margin: 10px 0 0; font-size: 0.85rem; color: var(--ink-2); }

/* ---------- Print path diagram ---------- */
.prn-diagram { margin: 26px 0 6px; background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: 14px; padding: 10px; }
.prn-diagram svg { display: block; width: 100%; height: auto; }
.prn-diagram figcaption { padding: 12px 10px 6px; font-size: 0.8rem; color: var(--dark-muted); }
.prn-box { fill: #0e2038; stroke: #2e5f93; stroke-width: 2; }
.prn-doc { fill: #122a48; stroke: #2e5f93; stroke-width: 2; }
.prn-doc-line { stroke: #35619c; stroke-width: 2; stroke-linecap: round; }
.prn-trace { stroke: #24466f; stroke-width: 2; fill: none; }
.prn-flow { stroke: var(--cyan-bright); stroke-width: 2.4; fill: none; stroke-dasharray: 12 240; opacity: 0.9; animation: prnflow 3.6s linear infinite; }
.prn-flow-b { animation-duration: 4.4s; animation-direction: reverse; }
@keyframes prnflow { to { stroke-dashoffset: -252; } }
.prn-via { fill: #24466f; }
.prn-led { fill: var(--ok); animation: prnled 2.4s ease-in-out infinite; }
.prn-led-2 { fill: var(--warn); animation-duration: 3.1s; }
@keyframes prnled { 50% { opacity: 0.25; } }
.prn-glow { animation: prnglow 7s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: center; }
@keyframes prnglow { from { opacity: 0.6; } to { opacity: 1; transform: scale(1.04); } }
.prn-queue { fill: #16304f; }
.prn-queue-active { fill: #2e5f93; animation: prnqueue 2.6s ease-in-out infinite; }
@keyframes prnqueue { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.prn-paper { fill: #122a48; stroke: #2e5f93; stroke-width: 2; animation: prnpaper 3s ease-in-out infinite; transform-box: fill-box; }
@keyframes prnpaper { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.prn-tray { fill: #122a48; stroke: #2e5f93; stroke-width: 2; }
.prn-svg-label { fill: #8aa3c4; font: 600 12px var(--font-mono); letter-spacing: 3px; }
.prn-svg-sub { fill: #5b7396; font: 500 10px var(--font-mono); letter-spacing: 1px; }
.prn-svg-status { fill: #5b7396; font: 500 12px var(--font-mono); letter-spacing: 1px; }

/* ---------- Directory: search, chips, cards ---------- */
.prn-filterbar { margin: 16px 0 12px; max-width: 460px; }
.prn-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1.5px solid var(--line-2);
  border-radius: 10px;
  padding: 9px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.prn-search:focus-within { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(15, 91, 215, 0.12); }
.prn-search svg { color: var(--ink-3); flex: none; }
.prn-search input { flex: 1; min-width: 0; border: 0; background: transparent; font: 400 0.92rem var(--font-body); color: var(--ink); }
.prn-search input:focus { outline: none; }
.prn-search input::placeholder { color: var(--ink-3); }

.prn-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.prn-chip {
  font: 500 0.76rem var(--font-mono);
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.prn-chip:hover { border-color: var(--blue); color: var(--blue); }
.prn-chip[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.prn-count { font: 500 0.74rem var(--font-mono); color: var(--ink-3); margin: 0 0 16px; }

.prn-cards { display: grid; grid-template-columns: 1fr; gap: 12px; }
.prn-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.prn-card:hover, .prn-card:focus-visible { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-1); }
.prn-card.is-hidden { display: none; }
.prn-card-cat { font: 500 0.64rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--blue); }
.prn-card-title { font: 600 0.98rem var(--font-display); color: var(--ink); }
.prn-card-time { font-size: 0.7rem; color: var(--ink-3); }

/* ---------- Tutorial accordions ---------- */
.prn-art {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 14px 0;
  overflow: hidden;
  transition: border-color 0.2s;
}
.prn-art[open] { border-color: var(--line-2); }
.prn-art-sum { display: flex; align-items: center; gap: 14px; padding: 16px 18px; cursor: pointer; list-style: none; }
.prn-art-sum::-webkit-details-marker { display: none; }
.prn-art-num {
  flex: none;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  font-size: 0.76rem;
  color: var(--ink-3);
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.prn-art[open] .prn-art-num { background: var(--blue); border-color: var(--blue); color: #fff; }
.prn-art-body { display: grid; gap: 2px; min-width: 0; flex: 1; }
.prn-art-title { font: 600 1.02rem var(--font-display); color: var(--ink); }
.prn-art-meta { display: flex; align-items: center; gap: 8px; }
.prn-art-time { font-size: 0.7rem; color: var(--ink-3); }
.prn-art-ico { position: relative; width: 16px; height: 16px; flex: none; margin-left: auto; }
.prn-art-ico::before, .prn-art-ico::after {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 16px; height: 2px;
  background: var(--ink-3);
  transition: transform 0.25s, background 0.25s;
}
.prn-art-ico::after { transform: rotate(90deg); }
.prn-art[open] .prn-art-ico::after { transform: rotate(0); }
.prn-art[open] .prn-art-ico::before, .prn-art[open] .prn-art-ico::after { background: var(--blue); }

.prn-art-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s ease; }
.prn-art[open] .prn-art-panel { grid-template-rows: 1fr; }
.prn-art-inner { overflow: hidden; min-height: 0; visibility: hidden; transition: visibility 0s 0.35s; padding: 0 18px 20px; }
.prn-art[open] .prn-art-inner { visibility: visible; transition-delay: 0s; }
.prn-art-inner p { color: var(--ink-2); font-size: 0.95rem; margin: 0 0 14px; }
.prn-art-inner p:last-child { margin-bottom: 0; }
.prn-art-inner strong { color: var(--ink); }
.prn-art-inner a { color: var(--blue); }
.prn-art-inner code { font: 500 0.85rem var(--font-mono); background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--ink); }
.prn-art-inner .table-wrap { margin: 4px 0 16px; }

/* Core series prev/next */
.prn-serienav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
  font: 500 0.78rem var(--font-body);
}
.prn-serienav a { color: var(--blue); text-decoration: none; }
.prn-serienav a:hover { text-decoration: underline; }
.prn-serienav span { color: var(--ink-3); }

/* ---------- Command chips (copy-to-clipboard) ---------- */
.prn-cmd {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 0 0 16px;
}
.prn-cmd code { font: 500 0.85rem var(--font-mono); color: var(--ink); background: none; border: 0; padding: 0; }
.prn-cmd-copy {
  font: 600 0.72rem var(--font-body);
  padding: 5px 12px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.prn-cmd-copy:hover { border-color: var(--blue); color: var(--blue); }
.prn-cmd-copy.is-done { background: var(--ok); border-color: var(--ok); color: #06281c; }
.prn-cmd-note { flex-basis: 100%; font-size: 0.76rem; color: var(--ink-3); margin: 0; }

/* ---------- Risk badges ---------- */
.prn-risk {
  display: inline-block;
  font: 600 0.68rem var(--font-mono);
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.prn-risk-safe { color: #0a6b4d; background: #e2f6ee; border: 1px solid #b5e4d1; }
.prn-risk-low { color: #0a43a3; background: var(--tint); border: 1px solid var(--blue-soft); }
.prn-risk-caution { color: #8a5b00; background: #fdf6e9; border: 1px solid #ecd9ad; }

/* ---------- Mistakes ---------- */
.prn-mistakes { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.prn-mistakes li {
  position: relative;
  padding: 12px 16px 12px 46px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.prn-mistakes li::before {
  content: "✕";
  position: absolute;
  left: 16px; top: 12px;
  width: 20px; height: 20px;
  display: grid;
  place-items: center;
  font: 700 0.7rem var(--font-mono);
  color: #8f1d1d;
  background: #fdeaea;
  border-radius: 6px;
}
.prn-mistakes strong { color: var(--ink); }

/* ---------- Checklist ---------- */
.prn-check { max-width: 760px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.prn-check-file { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--ink-3); border-bottom: 1px dashed var(--line-2); padding-bottom: 12px; margin: 0 0 12px; }
.prn-check-list { display: grid; gap: 4px; }
.prn-check-list label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--ink-2);
  transition: background 0.15s;
}
.prn-check-list label:hover { background: var(--bg); }
.prn-check-box { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--blue); flex: none; cursor: pointer; }
.prn-check-list input:checked + span { color: var(--ink); }
.prn-check-list strong { color: var(--ink); }
.prn-check-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.prn-check-hint { font-size: 0.7rem; color: var(--ink-3); margin: 0; }

/* ---------- FAQ ---------- */
.prn-faq { margin-top: 16px; }
.prn-faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; transition: border-color 0.2s; }
.prn-faq-item[open] { border-color: var(--blue-soft); }
.prn-faq-sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font: 600 0.95rem var(--font-body);
  color: var(--ink);
}
.prn-faq-sum::-webkit-details-marker { display: none; }
.prn-faq-ico { position: relative; width: 16px; height: 16px; flex: none; margin-left: auto; }
.prn-faq-ico::before, .prn-faq-ico::after {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 16px; height: 2px;
  background: var(--ink-3);
  transition: transform 0.25s, background 0.25s;
}
.prn-faq-ico::after { transform: rotate(90deg); }
.prn-faq-item[open] .prn-faq-ico::after { transform: rotate(0); }
.prn-faq-item[open] .prn-faq-ico::before, .prn-faq-item[open] .prn-faq-ico::after { background: var(--blue); }
.prn-faq-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s ease; }
.prn-faq-item[open] .prn-faq-panel { grid-template-rows: 1fr; }
.prn-faq-inner { overflow: hidden; min-height: 0; visibility: hidden; transition: visibility 0s 0.3s; }
.prn-faq-item[open] .prn-faq-inner { visibility: visible; transition-delay: 0s; }
.prn-faq-inner p { margin: 0; padding: 0 16px 16px; font-size: 0.9rem; color: var(--ink-2); }

/* ---------- Related ---------- */
.prn-related { display: grid; grid-template-columns: 1fr; gap: 12px; }
.prn-related-card {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.prn-related-card:hover, .prn-related-card:focus-visible { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-1); }
.prn-related-title { font: 600 0.95rem var(--font-display); color: var(--ink); }
.prn-related-sub { font-size: 0.82rem; color: var(--ink-2); }

/* ---------- In-page footer row ---------- */
.prn-foot { display: flex; flex-wrap: wrap; gap: 12px; margin: 40px 0 8px; }

.prn-localfoot {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 18px 0 22px;
  font: 400 0.72rem/1.7 var(--font-mono);
  color: var(--ink-3);
}
.prn-localfoot span { display: block; }

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .prn-most-grid { grid-template-columns: 1fr 1fr; }
  .prn-cards { grid-template-columns: 1fr 1fr; }
  .prn-related { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .prn-grid { grid-template-columns: 220px minmax(0, 1fr); gap: 48px; padding-top: 44px; }
  .prn-toc { display: block; position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; }
  .prn-cards { grid-template-columns: 1fr 1fr 1fr; }
  .prn-related { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 479px) {
  .prn-art-sum { padding: 14px; }
  .prn-art-inner { padding: 0 14px 16px; }
  .prn-tree-branch { flex-direction: column; align-items: stretch; }
  .prn-tree-no, .prn-tree-yes, .prn-vbtn { justify-content: center; text-align: center; }
}

/* ---------- Dark theme overrides (only hardcoded values) ---------- */
[data-theme="dark"] .prn-risk-safe { color: #7fe0bd; background: #0d2b21; border-color: #1c5a43; }
[data-theme="dark"] .prn-risk-low { color: #a9c9f8; background: #16263f; border-color: #27466f; }
[data-theme="dark"] .prn-risk-caution { color: #f5c97a; background: #2a2110; border-color: #6b5426; }
[data-theme="dark"] .prn-mistakes li::before { color: #f0a3a3; background: #331414; }
[data-theme="dark"] .prn-tree-no { color: #a9c9f8; background: #16263f; border-color: #27466f; }
[data-theme="dark"] .prn-diagram figcaption { color: var(--dark-muted); }

/* ---------- Print-friendly ---------- */
@media print {
  .prn-progress, .prn-toc, .prn-picks, .prn-verdict, .prn-filterbar, .prn-chips,
  .prn-cmd-copy, .prn-check-actions, .prn-foot, .prn-localfoot, .to-top, .toast,
  .site-header, .topbar, .consent, .prn-foot, nav.breadcrumbs { display: none !important; }
  .prn-grid { display: block; }
  .prn-sec { margin-top: 20px; break-inside: avoid; }
  .prn-art, .prn-art-inner, .prn-art-panel { border: 0 !important; }
  .prn-art { margin: 12px 0; }
  .prn-diagram { background: none; border: 0; }
  .prn-art-inner { visibility: visible !important; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .prn-flow { animation: none; stroke-dasharray: none; opacity: 0.4; }
  .prn-led, .prn-glow, .prn-queue-active, .prn-paper { animation: none; }
  .prn-art-panel, .prn-faq-panel { transition: none; }
  .prn-art-inner, .prn-faq-inner { transition: none; }
  .prn-art-ico::before, .prn-art-ico::after,
  .prn-faq-ico::before, .prn-faq-ico::after { transition: none; }
  .prn-most-card, .prn-card, .prn-related-card, .prn-tree-no, .prn-tree-yes, .prn-vbtn { transition: none; }
}