/* ═══════════ Help Article page styles — scoped via .pw-doc (with .pw-article 3-col override) ═══════════ */

/* article page is 3-col, category page is 2-col. Only .page differs. */
.pw-article .page {
  max-width: 1280px; margin: 0 auto;
  padding: 24px 32px 0;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 220px;
  gap: 48px;
}

/* ───── Article header ───── */
.pw-doc article {
  min-width: 0;
  padding-top: 8px;
  max-width: 760px;
}

.pw-doc .article-hero-row {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 18px;
}
.pw-doc .article-hero-emoji {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  display: grid; place-items: center;
  color: var(--primary);
  box-shadow: 0 8px 18px -8px rgba(0,85,255,.25);
  flex-shrink: 0;
}
.pw-doc .article-hero-emoji svg { width: 32px; height: 32px; }
.pw-doc .article-cat-pills {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.pw-doc .article-cat-pills .pop-cat {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--primary-50); color: var(--primary);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pw-doc .article-cat-pills .pop-cat svg { width: 10px; height: 10px; }

.pw-doc article h1 {
  margin: 0 0 22px;
  font-size: 40px; font-weight: 800;
  letter-spacing: -0.025em; line-height: 1.2;
  color: var(--ink);
  text-wrap: pretty;
}

/* ───── Lead / Meta bar ───── */
.pw-doc .article-lead {
  font-size: 16px; line-height: 1.85;
  color: #2A3142;
  margin: 0 0 28px;
}

.pw-doc .meta-bar {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.pw-doc .meta-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted);
  font-weight: 600;
}
.pw-doc .meta-pill .em {
  display: inline-flex; align-items: center; justify-content: center;
}
.pw-doc .meta-pill .em svg { width: 14px; height: 14px; display: block; }
.pw-doc .meta-bar .sep { width: 1px; height: 28px; background: var(--line); }

/* ───── Learning checklist ───── */
.pw-doc .learn-box {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 28px;
}
.pw-doc .learn-box h4 {
  margin: 0 0 12px;
  font-size: 13px; font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.06em; text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.pw-doc .learn-box ul {
  margin: 0; padding: 0; list-style: none;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
.pw-doc .learn-box li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13.5px; color: var(--ink);
  line-height: 1.5;
}
.pw-doc .learn-box li .check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.pw-doc .learn-box li .check svg { width: 11px; height: 11px; }

/* ───── TOC box ───── */
.pw-doc .toc-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 40px;
}
.pw-doc .toc-box h4 {
  margin: 0 0 12px;
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.pw-doc .toc-box ol {
  margin: 0; padding: 0; list-style: none;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  counter-reset: tocnum;
}
.pw-doc .toc-box ol li { counter-increment: tocnum; }
.pw-doc .toc-box ol a {
  display: block;
  padding: 4px 0;
  font-size: 13px; font-weight: 500;
  color: #2A3142;
  transition: color .12s ease;
  padding-left: 26px;
  position: relative;
}
.pw-doc .toc-box ol a::before {
  content: counter(tocnum, decimal-leading-zero);
  position: absolute; left: 0; top: 4px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 11px; font-weight: 800;
  color: var(--primary);
  font-feature-settings: "tnum";
  background: var(--primary-50);
  padding: 1px 5px; border-radius: 4px;
  line-height: 1.4;
}
.pw-doc .toc-box ol a:hover { color: var(--primary); }

/* ───── Article body ───── */
.pw-doc article { counter-reset: h2num; }
.pw-doc article h2 {
  margin: 56px 0 18px;
  font-size: 24px; font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  scroll-margin-top: 88px;
  display: flex; align-items: center; gap: 14px;
  counter-increment: h2num;
}
.pw-doc article h2::before {
  content: counter(h2num, decimal-leading-zero);
  display: inline-grid; place-items: center;
  min-width: 36px; height: 36px;
  padding: 0 8px;
  border-radius: 9px;
  background: var(--primary); color: #fff;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 14px; font-weight: 800;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.pw-doc article h3 {
  margin: 32px 0 12px;
  font-size: 18px; font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.pw-doc article p {
  font-size: 15px; line-height: 1.85;
  color: #2A3142; margin: 0 0 16px;
}
.pw-doc article p code,
.pw-doc article li code {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  padding: 2px 6px; border-radius: 4px;
  background: var(--line-2);
  color: var(--primary-600);
  font-weight: 500;
}
.pw-doc article strong { font-weight: 700; color: var(--ink); }
.pw-doc article ul, .pw-doc article ol {
  font-size: 15px; line-height: 1.85; color: #2A3142;
  margin: 0 0 16px; padding-left: 24px;
}
.pw-doc article ul li, .pw-doc article ol li { margin-bottom: 4px; }

/* ───── Code block ───── */
.pw-doc .code-block {
  background: #0F1320;
  border-radius: 12px;
  overflow: hidden;
  margin: 20px 0 28px;
  box-shadow: 0 8px 20px -10px rgba(0,0,0,.3);
}
.pw-doc .code-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.pw-doc .code-lang {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 5px;
  background: var(--primary);
  color: #fff;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.pw-doc .code-file {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px; color: #8A92A5;
}
.pw-doc .code-body {
  padding: 16px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: #E6EAF3;
  line-height: 1.7;
  overflow-x: auto;
  margin: 0;
}
.pw-doc .code-body .tk-key { color: #FF7B72; }
.pw-doc .code-body .tk-str { color: #A5D6A7; }
.pw-doc .code-body .tk-num { color: #79C0FF; }
.pw-doc .code-body .tk-cm { color: #6B7388; font-style: italic; }

/* ───── Callouts ───── */
.pw-doc .callout {
  border-radius: 14px;
  padding: 22px 24px 22px 22px;
  margin: 26px 0;
  display: flex; gap: 16px;
  align-items: flex-start;
  border: 1px solid;
}
.pw-doc .callout-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
}
.pw-doc .callout-icon svg { width: 22px; height: 22px; }
.pw-doc .callout h3 {
  margin: 0 0 6px;
  font-size: 15px; font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.pw-doc .callout p { margin: 0; font-size: 14px; line-height: 1.7; color: #2A3142; }
.pw-doc .callout p + p { margin-top: 8px; }
.pw-doc .callout-tip {
  background: #FFFBEB;
  border-color: #FBE6A2;
}
.pw-doc .callout-tip .callout-icon { background: #FEF3C7; color: #B45309; }
.pw-doc .callout-info {
  background: var(--primary-50);
  border-color: var(--primary-100);
}
.pw-doc .callout-info .callout-icon { background: #DBEAFE; color: #1E40AF; }
.pw-doc .callout-warning {
  background: #FFF4E5;
  border-color: #FBD9A0;
}
.pw-doc .callout-warning .callout-icon { background: #FED7AA; color: #9A3412; }
.pw-doc .callout-success {
  background: #ECFDF5;
  border-color: #A7E6BF;
}
.pw-doc .callout-success .callout-icon { background: #D1FAE5; color: #15803D; }

/* ───── Mock frame ───── */
.pw-doc .mock-frame {
  margin: 24px 0 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 28px -16px rgba(11,14,20,.18);
}
.pw-doc .mock-bar {
  height: 32px;
  background: #F2EFE7;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; padding: 0 12px;
  gap: 8px;
}
.pw-doc .mock-bar .dots { display: flex; gap: 5px; }
.pw-doc .mock-bar .d { width: 9px; height: 9px; border-radius: 50%; }
.pw-doc .mock-bar .r { background: #FF5F57; }
.pw-doc .mock-bar .y { background: #FEBC2E; }
.pw-doc .mock-bar .g { background: #28C840; }
.pw-doc .mock-bar .name {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted); font-weight: 600;
}
.pw-doc .mock-canvas {
  position: relative;
  background: var(--bg);
  background-image: radial-gradient(circle, rgba(11,14,20,.10) 1px, transparent 1px);
  background-size: 14px 14px;
  min-height: 260px;
  padding: 24px;
  overflow: hidden;
}

/* ───── Step cards ───── */
.pw-doc .steps {
  display: flex; flex-direction: column; gap: 12px;
  margin: 22px 0;
}
.pw-doc .step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  display: flex; align-items: flex-start; gap: 16px;
  transition: all .15s ease;
}
.pw-doc .step:hover {
  border-color: var(--primary-100);
  transform: translateY(-1px);
}
.pw-doc .step-num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  display: grid; place-items: center;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800; font-size: 14px;
  box-shadow: 0 4px 10px -4px rgba(0,85,255,.4);
}
.pw-doc .step-body { flex: 1; min-width: 0; }
.pw-doc .step-body h3 {
  margin: 0 0 4px;
  font-size: 15px; font-weight: 700;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.pw-doc .step-body p {
  margin: 0; font-size: 14px; color: var(--muted); line-height: 1.7;
}

/* ───── Prev/Next ───── */
.pw-doc .article-nav {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pw-doc .nav-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  transition: all .18s ease;
  cursor: pointer;
  display: flex; align-items: center; gap: 16px;
}
.pw-doc .nav-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -12px rgba(0,85,255,.15);
}
.pw-doc .nav-card.next { flex-direction: row-reverse; text-align: right; }
.pw-doc .nav-card .nav-arrow {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary-50); color: var(--primary);
  display: grid; place-items: center;
  transition: all .18s ease;
  flex-shrink: 0;
}
.pw-doc .nav-card:hover .nav-arrow { background: var(--primary); color: #fff; }
.pw-doc .nav-card .nav-label {
  font-size: 11px; font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 2px;
}
.pw-doc .nav-card .nav-title {
  font-size: 15px; font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.pw-doc .nav-card .nav-body { flex: 1; min-width: 0; }

/* ───── TOC right rail ───── */
.pw-doc .toc-rail {
  position: sticky; top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-top: 8px;
}
.pw-doc .toc-rail h4 {
  margin: 0 0 12px;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
  padding-left: 12px;
  display: flex; align-items: center; gap: 6px;
}
.pw-doc .toc-rail ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
.pw-doc .toc-rail a {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  font-size: 12.5px;
  color: var(--muted);
  border-left: 2px solid var(--line);
  transition: all .15s ease;
  line-height: 1.4;
}
.pw-doc .toc-rail a .toc-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
  transition: all .15s ease;
}
.pw-doc .toc-rail a:hover { color: var(--ink); border-left-color: var(--muted-2); }
.pw-doc .toc-rail a:hover .toc-dot { background: var(--muted-2); }
.pw-doc .toc-rail a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 700;
  background: var(--primary-50);
}
.pw-doc .toc-rail a.active .toc-dot {
  background: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-100);
}

/* ───── Feedback ───── */
.pw-doc .feedback {
  margin-top: 32px;
  background: var(--primary-50);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  text-align: center;
}
.pw-doc .feedback h3 {
  margin: 0 0 14px;
  font-size: 15px; font-weight: 700; color: var(--ink);
}
.pw-doc .feedback-actions {
  display: flex; justify-content: center; gap: 10px;
}
.pw-doc .feedback-btn {
  padding: 10px 22px; border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 700; color: #2A3142;
  transition: all .15s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.pw-doc .feedback-btn:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -8px rgba(0,85,255,.25);
}
.pw-doc .feedback-btn .em { display: inline-flex; align-items: center; justify-content: center; }
.pw-doc .feedback-btn .em svg { width: 16px; height: 16px; display: block; }

/* ───── Additional doc components ───── */

/* Config table */
.pw-doc .config-table {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  margin: 16px 0 24px;
}
.pw-doc .config-table th {
  background: var(--bg);
  font-weight: 700;
  font-size: 13px;
  text-align: left;
}
.pw-doc .config-table th,
.pw-doc .config-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-2);
  font-size: 14px;
  color: #2A3142;
}
.pw-doc .config-table tr:last-child td { border-bottom: 0; }

/* Settings example panel */
.pw-doc .settings-example-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin: 16px 0 24px;
}
.pw-doc .settings-example-row {
  display: flex; gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-2);
}
.pw-doc .settings-example-row:last-child { border-bottom: 0; }
.pw-doc .settings-example-label {
  width: 180px; flex-shrink: 0;
  font-weight: 700; font-size: 13px;
  color: var(--ink);
}
.pw-doc .settings-example-value {
  font-size: 14px; color: #2A3142;
  font-family: "JetBrains Mono", monospace;
}
.pw-doc .settings-example-value code {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  background: var(--line-2);
  color: var(--primary-600);
  padding: 2px 6px; border-radius: 4px;
}

/* Usecase grid */
.pw-doc .usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin: 16px 0 24px;
}
.pw-doc .usecase-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  transition: all .15s ease;
}
.pw-doc .usecase-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.pw-doc .usecase-card h3 {
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  margin: 0 0 6px;
}

/* Output box */
.pw-doc .output-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 16px 0;
}
.pw-doc .output-box-label {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.pw-doc .output-box ul {
  margin: 0; padding-left: 18px;
  font-size: 14px; line-height: 1.8;
}

/* Node badge variants (inline) */
.pw-doc .node-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.pw-doc .node-badge.input { background: #FFF1E6; color: #E07B30; }
.pw-doc .node-badge.agent { background: var(--primary-50); color: var(--primary); }
.pw-doc .node-badge.output { background: #E8F5EE; color: #16A34A; }
.pw-doc .node-badge.condition { background: #FFF9E0; color: #B07F00; }
.pw-doc .node-badge.process { background: var(--line-2); color: #2A3142; }
.pw-doc a.node-badge { transition: all .15s ease; }
.pw-doc a.node-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px -4px rgba(0,0,0,.18);
}

.pw-doc .related-nodes {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 8px 0 0;
}

/* ───── 3-col article layout fallback (article only) ───── */
@media (max-width: 1100px) {
  .pw-article .page {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
  }
  .pw-doc .toc-rail { display: none; }
}
@media (max-width: 980px) {
  .pw-article .page { grid-template-columns: 1fr; gap: 24px; }
  .pw-doc .sidebar { position: static; max-height: none; }
  .pw-doc article h1 { font-size: 30px; }
  .pw-doc .article-nav { grid-template-columns: 1fr; }
  .pw-doc .learn-box ul { grid-template-columns: 1fr; }
  .pw-doc .settings-example-row { flex-direction: column; gap: 6px; }
  .pw-doc .settings-example-label { width: auto; }
}