:root {
  --bg: #f4f7fb;
  --bg-alt: #ffffff;
  --primary: #4f46e5;
  --primary-soft: #eef2ff;
  --accent: #22c55e;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 18px 35px rgba(15,23,42,0.09);
  --shadow-card: 0 14px 30px rgba(15,23,42,0.06);
}

html[data-theme="dark"] {
  --bg: #020617;
  --bg-alt: #020617;
  --primary: #6366f1;
  --primary-soft: rgba(79,70,229,0.16);
  --accent: #22c55e;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --border: #1f2933;
  --shadow-soft: 0 18px 35px rgba(0,0,0,0.7);
  --shadow-card: 0 14px 30px rgba(0,0,0,0.7);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, #e0f2fe 0, transparent 40%),
    radial-gradient(circle at bottom right, #e0f2fe 0, transparent 45%),
    var(--bg);
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(56,189,248,0.16) 0, transparent 40%),
    radial-gradient(circle at bottom right, rgba(129,140,248,0.16) 0, transparent 45%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(244,247,251,0.9);
  border-bottom: 1px solid rgba(209,213,219,0.6);
}

html[data-theme="dark"] .site-header {
  background: rgba(15,23,42,0.92);
  border-bottom: 1px solid rgba(30,64,175,0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 16px;
  position: relative;
}

.logo {
  display: inline-flex;
  align-items: center;
  border: none;
  background: none;
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
  user-select: none;
}

.main-nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--text-muted);
  align-items: center;
}

.main-nav a {
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  transition: width 0.18s ease-out;
}

.main-nav a:hover::after,
.main-nav a.is-current::after { width: 100%; }

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0;
  border-radius: 999px;
  -webkit-tap-highlight-color: transparent;
}

.theme-switch:hover .theme-switch-track {
  box-shadow: 0 6px 14px rgba(148,163,184,0.55), 0 0 0 1px rgba(148,163,184,0.3);
}

.theme-switch:active .theme-switch-track { transform: scale(0.97); }

.theme-switch:focus-visible .theme-switch-track {
  outline: 2px solid rgba(79,70,229,0.7);
  outline-offset: 3px;
}

.theme-switch-track {
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(148,163,184,0.3));
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 3px;
  box-shadow: 0 4px 10px rgba(148,163,184,0.5), inset 0 0 0 1px rgba(148,163,184,0.45);
  transition: background-color 0.22s cubic-bezier(0.22,0.61,0.36,1), box-shadow 0.22s, transform 0.12s;
}

.theme-switch-thumb {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #4b5563;
  transform: translateX(0);
  box-shadow: 0 3px 6px rgba(15,23,42,0.35), 0 0 0 1px rgba(148,163,184,0.6);
  transition: transform 0.22s cubic-bezier(0.22,0.61,0.36,1), background-color 0.22s, color 0.22s, box-shadow 0.22s;
}

.theme-switch.is-dark .theme-switch-track {
  background: radial-gradient(circle at 30% 30%, rgba(248,250,252,0.25), #4f46e5);
  box-shadow: 0 8px 18px rgba(79,70,229,0.7), inset 0 0 0 1px rgba(191,219,254,0.5);
}

.theme-switch.is-dark .theme-switch-thumb {
  transform: translateX(20px);
  background: #020617;
  color: #e5e7eb;
  box-shadow: 0 4px 10px rgba(15,23,42,0.85), 0 0 0 1px rgba(55,65,81,0.9);
}

html[data-theme="dark"] .theme-switch-track {
  background: radial-gradient(circle at 30% 30%, rgba(248,250,252,0.12), rgba(15,23,42,0.9));
  box-shadow: 0 4px 10px rgba(15,23,42,0.7), inset 0 0 0 1px rgba(30,64,175,0.6);
}

main { padding: 28px 0 52px; }

.breadcrumbs {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs-separator { margin: 0 4px; opacity: 0.7; }

.article-hero { padding-bottom: 20px; }

.article-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
  align-items: flex-start;
}

.article-hero-title {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.article-hero-deck {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 560px;
  font-size: 1.02rem;
}

.article-hero-deck strong {
  color: var(--text);
  font-weight: 600;
}

.article-section-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 500;
}

.article-hero-side {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, #eef2ff, #ffffff);
  border: 1px solid rgba(199,210,254,0.9);
  box-shadow: var(--shadow-soft);
  padding: 16px 16px 14px;
}

html[data-theme="dark"] .article-hero-side {
  background: radial-gradient(circle at top left, rgba(15,23,42,0.9), #020617);
  border-color: rgba(37,99,235,0.8);
  box-shadow: 0 18px 40px rgba(0,0,0,0.9);
}

.article-hero-side h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.article-hero-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.article-hero-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 7px;
}

.article-hero-list li:last-child { margin-bottom: 0; }

.article-hero-list i {
  margin-top: 3px;
  font-size: 0.85rem;
  color: var(--primary);
  flex-shrink: 0;
}

.article-byline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

html[data-theme="dark"] .article-byline {
  background: rgba(15,23,42,0.7);
  border-color: #1f2937;
}

.byline-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.byline-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.byline-avatar {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(79,70,229,0.15);
}

.byline-avatar.author-photo-placeholder,
.author-bio-avatar.author-photo-placeholder {
  overflow: hidden;
  background: linear-gradient(135deg, #eef2ff, #f8fafc);
  color: var(--primary);
  border: 2px solid rgba(79,70,229,0.18);
}

html[data-theme="dark"] .byline-avatar.author-photo-placeholder,
html[data-theme="dark"] .author-bio-avatar.author-photo-placeholder {
  background: linear-gradient(135deg, rgba(79,70,229,0.22), rgba(15,23,42,0.92));
  color: #c7d2fe;
  border-color: rgba(129,140,248,0.32);
}

.byline-avatar.author-photo-placeholder img,
.author-bio-avatar.author-photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.byline-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.byline-role {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.byline-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tool-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(148,163,184,0.5);
  font-size: 0.8rem;
}

html[data-theme="dark"] .tool-pill {
  background: rgba(15,23,42,0.96);
  border-color: #1f2937;
}

.tool-pill i { font-size: 0.8rem; }

.article-share {
  display: flex;
  align-items: center;
  gap: 6px;
}

.share-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.14s, color 0.14s, background 0.14s;
}

.share-btn:hover {
  border-color: rgba(79,70,229,0.8);
  color: var(--primary);
  background: var(--primary-soft);
}

.share-bar-copy-feedback {
  font-size: 0.78rem;
  color: var(--accent);
  display: none;
  margin-left: 4px;
}

.share-bar-copy-feedback.show { display: inline; }

.badge-signal {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  border: 1px solid var(--border);
  background: #f9fafb;
  white-space: nowrap;
}

html[data-theme="dark"] .badge-signal {
  background: rgba(15,23,42,0.7);
}

.badge-signal-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.badge-signal-bars span {
  display: block;
  width: 3px;
  border-radius: 1px;
  background: var(--border);
}

.badge-signal-bars span:nth-child(1) { height: 4px; }
.badge-signal-bars span:nth-child(2) { height: 7px; }
.badge-signal-bars span:nth-child(3) { height: 10px; }
.badge-signal-bars span:nth-child(4) { height: 12px; }

.badge-signal.medium .badge-signal-bars span:nth-child(-n+3) {
  background: #f59e0b;
}

.badge-signal-label {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.page-main-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.7fr);
  gap: 24px;
  align-items: flex-start;
}

.page-main-grid > aside {
  position: sticky;
  top: 96px;
  align-self: flex-start;
  height: calc(100vh - 120px);
}

.sticky-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 100%;
  overflow-y: auto;
  padding-right: 4px;
}

.sticky-rail::-webkit-scrollbar { width: 3px; }
.sticky-rail::-webkit-scrollbar-track { background: transparent; }
.sticky-rail::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }

.article-toc-card,
.related-tools-card,
.related-tools-mobile {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: none;
  padding: 16px 16px 14px;
}

html[data-theme="dark"] .article-toc-card,
html[data-theme="dark"] .related-tools-card,
html[data-theme="dark"] .related-tools-mobile {
  background: rgba(15,23,42,0.96);
  border-color: #1f2937;
  box-shadow:
    0 0 40px 8px rgba(0,0,0,0.35),
    0 0 80px 16px rgba(37,99,235,0.12),
    0 0 140px 30px rgba(0,0,0,0.2);
}

.article-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.article-toc-title {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-toc-title-icon {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.9rem;
}

.article-toc {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.article-toc li + li { margin-top: 4px; }

.article-toc a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: background 0.12s ease-out, color 0.12s ease-out;
}

.article-toc a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #c7d2fe;
  flex-shrink: 0;
  transition: background 0.12s ease-out, transform 0.12s ease-out;
}

.article-toc a:hover {
  color: var(--primary);
  background: rgba(239,246,255,0.8);
}

html[data-theme="dark"] .article-toc a:hover {
  background: rgba(30,64,175,0.3);
}

.article-toc a.is-active {
  color: var(--primary);
  background: rgba(224,231,255,0.9);
  font-weight: 500;
}

.article-toc a.is-active::before {
  background: var(--primary);
  transform: scale(1.1);
}

html[data-theme="dark"] .article-toc a.is-active {
  background: rgba(37,99,235,0.4);
  color: #e5e7eb;
}

.related-tools-card h2,
.related-tools-mobile h2 {
  margin: 0 0 8px;
  font-size: 0.96rem;
}

.related-tools-card p,
.related-tools-mobile p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.related-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.related-list li + li { margin-top: 4px; }

.related-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: background 0.12s ease-out, color 0.12s ease-out;
}

.related-icon {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.related-list a:hover {
  color: var(--primary);
  background: rgba(239,246,255,0.8);
}

html[data-theme="dark"] .related-list a:hover {
  background: rgba(30,64,175,0.3);
}

.related-tools-mobile { display: none; }

.article-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 0;
  aspect-ratio: 16 / 9;
  margin-bottom: 20px;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tool-article {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 16px 30px rgba(15,23,42,0.055);
  padding: 22px 20px 20px;
  overflow: hidden;
}

@media (min-width: 720px) {
  .tool-article { padding: 26px 26px 22px; }
}

html[data-theme="dark"] .tool-article {
  background: rgba(15,23,42,0.98);
  border-color: var(--border);
}

.tool-article h2 {
  font-size: 1.25rem;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 6px;
}

.tool-article h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 54px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), rgba(79,70,229,0));
}

.tool-article h3 {
  font-size: 1.05rem;
  margin: 18px 0 6px;
  letter-spacing: -0.01em;
  position: relative;
  padding-top: 2px;
}

.tool-article h3::after {
  content: "";
  display: block;
  margin-top: 5px;
  width: 40px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #6366f1, rgba(99,102,241,0));
}

.tool-article p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.tool-article p:last-child { margin-bottom: 0; }
.tool-article strong { color: var(--text); }

.article-lead {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 14px;
}

.tool-article-divider {
  height: 1px;
  border: 0;
  background: linear-gradient(to right, rgba(209,213,219,0.9), transparent);
  margin: 8px 0 16px;
}

.tool-article blockquote {
  margin: 14px 0;
  padding: 14px 18px 14px 20px;
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
}

html[data-theme="dark"] .tool-article blockquote {
  background: rgba(79,70,229,0.12);
}

.tool-article ul,
.tool-article ol {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.tool-article li {
  margin-bottom: 6px;
  position: relative;
  padding-left: 18px;
  line-height: 1.65;
}

.tool-article ul li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(129,140,248,0.18);
}

.tool-article ol {
  counter-reset: ol-counter;
}

.tool-article ol li {
  padding-left: 30px;
  counter-increment: ol-counter;
}

.tool-article ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
}

html[data-theme="dark"] .tool-article ol li::before {
  background: rgba(79,70,229,0.2);
  color: #c7d2fe;
}

.tool-article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 2px 6px;
  border-radius: 5px;
  white-space: nowrap;
}

html[data-theme="dark"] .tool-article code {
  background: rgba(79,70,229,0.18);
  color: #c7d2fe;
}

.table-wrap {
  overflow-x: auto;
  margin: 12px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.tool-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.tool-article th {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  text-align: left;
  padding: 9px 12px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

html[data-theme="dark"] .tool-article th {
  background: rgba(79,70,229,0.2);
  color: #c7d2fe;
}

.tool-article td {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  line-height: 1.5;
  vertical-align: middle;
}

.tool-article tr:hover td { background: rgba(79,70,229,0.03); }
html[data-theme="dark"] .tool-article tr:hover td { background: rgba(79,70,229,0.07); }

.tool-article a.article-link,
.tool-article a:not(.cite-ref):not(.source-url):not(.source-context-link):not(.cta-btn):not(.article-related-inline) {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 650;
}

.key-takeaways {
  background: var(--primary-soft);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  padding: 16px 18px;
  margin: 0 0 20px;
}

html[data-theme="dark"] .key-takeaways {
  background: rgba(79,70,229,0.1);
}

.key-takeaways-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.key-takeaways ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: kt;
}

.key-takeaways ol li {
  counter-increment: kt;
  padding-left: 28px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 7px;
}

.key-takeaways ol li:last-child { margin-bottom: 0; }

.key-takeaways ol li::before {
  content: counter(kt);
  position: absolute;
  left: 0;
  top: 0.05em;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin: 12px 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.callout-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.callout-body {
  flex: 1;
  min-width: 0;
}

.callout-body strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.84rem;
}

.callout-tip {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.callout-tip .callout-icon { color: var(--accent); }

html[data-theme="dark"] .callout-tip {
  background: rgba(34,197,94,0.08);
  border-color: rgba(34,197,94,0.3);
  color: #86efac;
}

.business-moment {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid rgba(199,210,254,0.9);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(238,242,255,0.8), #fff);
  margin: 16px 0;
}

html[data-theme="dark"] .business-moment {
  background: rgba(79,70,229,0.10);
  border-color: rgba(99,102,241,0.35);
}

.business-moment p {
  margin: 0;
  color: var(--text-muted);
}

.moment-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  flex: 0 0 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--border);
}

html[data-theme="dark"] .moment-icon {
  background: rgba(15,23,42,0.9);
}

.component-eyebrow {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.layer-ribbon {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 10px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid var(--border);
  margin: 16px 0;
}

.layer-ribbon span {
  flex: 1;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
}

.layer-ribbon strong {
  display: block;
  color: var(--text);
  font-size: 0.86rem;
}

.layer-ribbon small {
  display: block;
  color: var(--text-muted);
  font-size: 0.76rem;
  margin-top: 1px;
}

.layer-ribbon i {
  align-self: center;
  color: #a5b4fc;
  font-size: 0.75rem;
}

html[data-theme="dark"] .layer-ribbon {
  background: rgba(15,23,42,0.65);
}

html[data-theme="dark"] .layer-ribbon span {
  background: rgba(15,23,42,0.95);
}

.biz-choose-file-model {
  margin: 16px 0 18px;
  padding: 14px 16px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(135deg, #ffffff, #fbfdff);
  box-shadow: 0 10px 24px rgba(15,23,42,0.045);
}

html[data-theme="dark"] .biz-choose-file-model {
  background: linear-gradient(135deg, rgba(15,23,42,0.98), rgba(15,23,42,0.9));
  border-color: #1f2937;
  box-shadow: 0 12px 28px rgba(0,0,0,0.45);
}

.biz-choose-file-pill {
  width: max-content;
  max-width: 100%;
  margin: 0 auto 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.biz-choose-file-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.biz-choose-card {
  min-height: 150px;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 18px 16px 16px;
  background: #ffffff;
  box-shadow: 0 6px 16px rgba(15,23,42,0.035);
}

.biz-choose-card.upload {
  background: linear-gradient(135deg, #fff7ed, #ffffff);
  border-color: #fed7aa;
}

.biz-choose-card.local {
  background: linear-gradient(135deg, #ecfdf5, #ffffff);
  border-color: #bbf7d0;
}

html[data-theme="dark"] .biz-choose-card { background: rgba(15,23,42,0.72); }

html[data-theme="dark"] .biz-choose-card.upload {
  border-color: rgba(251,146,60,0.35);
  background: linear-gradient(135deg, rgba(251,146,60,0.12), rgba(15,23,42,0.86));
}

html[data-theme="dark"] .biz-choose-card.local {
  border-color: rgba(34,197,94,0.35);
  background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(15,23,42,0.86));
}

.biz-choose-icon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 11px;
  font-size: 0.9rem;
}

.biz-choose-card.upload .biz-choose-icon {
  background: #ffedd5;
  color: #ea580c;
}

.biz-choose-card.local .biz-choose-icon {
  background: #dcfce7;
  color: #16a34a;
}

html[data-theme="dark"] .biz-choose-card.upload .biz-choose-icon {
  background: rgba(251,146,60,0.18);
  color: #fdba74;
}

html[data-theme="dark"] .biz-choose-card.local .biz-choose-icon {
  background: rgba(34,197,94,0.16);
  color: #86efac;
}

.biz-choose-card strong {
  display: block;
  color: var(--text);
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.biz-choose-card p {
  margin: 0 !important;
  color: var(--text-muted);
  font-size: 0.88rem !important;
  line-height: 1.55 !important;
}

.small-blockers-card {
  margin: 14px 0 18px;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(135deg,#ffffff,#f8fbff);
  box-shadow: 0 10px 24px rgba(15,23,42,.045);
}

.small-blockers-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 11px;
}

.small-blockers-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .9rem;
}

.small-blockers-kicker {
  display: block;
  margin-bottom: 2px;
  color: var(--primary);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.small-blockers-head strong {
  display: block;
  color: var(--text);
  font-size: .94rem;
  line-height: 1.38;
  letter-spacing: -.01em;
}

.small-blockers-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.small-blockers-list span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(209,213,219,.95);
  color: var(--text-muted);
  font-size: .82rem;
  line-height: 1;
}

.small-blockers-list i {
  color: var(--primary);
  font-size: .78rem;
}

html[data-theme="dark"] .small-blockers-card {
  background: linear-gradient(135deg,rgba(15,23,42,.98),rgba(30,64,175,.16));
  border-color: #1f2937;
  box-shadow: 0 12px 28px rgba(0,0,0,.38);
}

html[data-theme="dark"] .small-blockers-list span {
  background: rgba(15,23,42,.82);
  border-color: #1f2937;
}

.pact-lens {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 16px 0;
}

.pact-lens div {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 12px;
}

html[data-theme="dark"] .pact-lens div {
  background: rgba(15,23,42,0.96);
}

.pact-lens b {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: 7px;
}

.pact-lens span {
  display: block;
  font-weight: 700;
  color: var(--text);
}

.pact-lens small {
  display: block;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.35;
}

.role-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.role-strip span {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
}

html[data-theme="dark"] .role-strip span {
  background: rgba(15,23,42,0.96);
}

.role-strip i { color: var(--primary); }
.role-strip b { color: var(--text); font-size: 0.84rem; }

.control-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 15px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  margin: 16px 0;
}

html[data-theme="dark"] .control-note {
  background: rgba(15,23,42,0.96);
}

.control-note i {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  flex: 0 0 32px;
}

.control-note strong {
  display: block;
  color: var(--text);
  margin-bottom: 2px;
}

.control-note p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.55;
}

.selection-map {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

.selection-map div {
  display: grid;
  grid-template-columns: 34px 120px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

html[data-theme="dark"] .selection-map div {
  background: rgba(15,23,42,0.96);
}

.selection-map span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.78rem;
}

.selection-map strong { color: var(--text); }
.selection-map small { color: var(--text-muted); line-height: 1.35; }

.layer-question {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid rgba(199,210,254,0.9);
  background: linear-gradient(135deg, #ffffff, #eef2ff);
  color: var(--text);
  box-shadow: 0 10px 22px rgba(15,23,42,0.04);
  margin: 16px 0;
}

html[data-theme="dark"] .layer-question {
  background: linear-gradient(135deg, rgba(15,23,42,0.98), rgba(30,41,59,0.74));
  border-color: #1f2937;
  box-shadow: none;
}

.layer-question i {
  color: var(--primary);
  margin-top: 4px;
}

.layer-question span {
  display: block;
  color: var(--primary);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.layer-question strong {
  display: block;
  font-size: 1rem;
  margin: 2px 0;
  color: var(--text);
}

.layer-question p {
  color: var(--text-muted);
  margin: 0;
}

.policy-route {
  margin: 16px 0 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

html[data-theme="dark"] .policy-route {
  background: rgba(15,23,42,.98);
  border-color: rgba(51,65,85,.9);
}

.policy-head {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.policy-head i {
  color: var(--primary);
  font-size: 1.1rem;
}

.policy-head span {
  display: block;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.policy-head strong {
  display: block;
  color: var(--text);
}

.policy-steps {
  padding: 14px 16px 16px;
  display: grid;
  gap: 12px;
}

.policy-steps div,
.training-list div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: flex-start;
}

.policy-steps b,
.training-list b {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(165,180,252,0.9);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex: 0 0 28px;
}

html[data-theme="dark"] .policy-steps b,
html[data-theme="dark"] .training-list b {
  background: rgba(15,23,42,0.9);
}

.policy-steps p,
.training-list p {
  margin: 0;
}

.policy-steps strong,
.training-list strong {
  display: block;
  color: var(--text);
}

.policy-steps small,
.training-list small {
  display: block;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 2px;
}

.workflow-path {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 10px;
  align-items: stretch;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  margin: 16px 0;
}

html[data-theme="dark"] .workflow-path {
  background: rgba(15,23,42,0.96);
}

.workflow-path div {
  padding: 10px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--border);
}

html[data-theme="dark"] .workflow-path div {
  background: rgba(15,23,42,0.75);
}

.workflow-path span {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workflow-path strong {
  display: block;
  color: var(--text);
  margin-top: 2px;
}

.workflow-path small {
  color: var(--text-muted);
  display: block;
  line-height: 1.35;
  margin-top: 2px;
}

.workflow-path i {
  align-self: center;
  color: #a5b4fc;
}

.team-lens {
  display: flex;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid var(--border);
  margin: 16px 0;
}

html[data-theme="dark"] .team-lens {
  background: rgba(15,23,42,0.86);
}

.team-lens i {
  color: var(--primary);
  margin-top: 5px;
}

.team-lens p { margin: 0; }

.training-list {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.training-list div {
  padding: 12px 14px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--border);
}

html[data-theme="dark"] .training-list div {
  background: rgba(15,23,42,0.96);
}

.fileyoga-window {
  border-radius: 20px;
  border: 1px solid rgba(199,210,254,0.9);
  background: linear-gradient(135deg, #fff, #eef2ff);
  padding: 16px;
  text-align: center;
  margin: 16px 0 18px;
}

html[data-theme="dark"] .fileyoga-window {
  background: rgba(79,70,229,0.12);
  border-color: rgba(99,102,241,0.35);
}

.fy-window-label {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.fy-window-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fy-window-flow span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.86rem;
}

html[data-theme="dark"] .fy-window-flow span {
  background: rgba(15,23,42,0.95);
}

.fy-window-flow i { color: var(--primary); }
.fileyoga-window p { margin: 12px 0 0; }

.decision-compass {
  margin: 16px 0 18px;
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15,23,42,.04);
}

.decision-compass-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--border);
}

.decision-compass-head span {
  display: block;
  margin-bottom: 3px;
  color: var(--primary);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.decision-compass-head strong {
  display: block;
  color: var(--text);
  font-size: .98rem;
  line-height: 1.35;
}

.decision-compass-head i {
  width: 30px;
  height: 30px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: .82rem;
}

.decision-compass-list {
  display: flex;
  flex-direction: column;
}

.decision-compass-item {
  display: grid;
  grid-template-columns: 128px 140px minmax(0,1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.decision-compass-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.decision-compass-role {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .055em;
  text-transform: uppercase;
  white-space: nowrap;
}

.decision-compass-role i {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .68rem;
}

.decision-compass-copy { display: contents; }

.decision-compass-copy strong {
  display: block;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.28;
}

.decision-compass-copy p {
  margin: 0 !important;
  color: var(--text-muted);
  font-size: .86rem !important;
  line-height: 1.48 !important;
}

html[data-theme="dark"] .decision-compass {
  background: rgba(15,23,42,.96);
  border-color: #1f2937;
  box-shadow: 0 12px 28px rgba(0,0,0,.38);
}

html[data-theme="dark"] .decision-compass-head,
html[data-theme="dark"] .decision-compass-item {
  border-color: #1f2937;
}

html[data-theme="dark"] .decision-compass-head i,
html[data-theme="dark"] .decision-compass-role i {
  background: rgba(79,70,229,.18);
}

.faq-list {
  margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #ffffff;
  overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.2s, background-color 0.15s;
}

html[data-theme="dark"] .faq-item {
  background: rgba(15,23,42,0.98);
}

.faq-item.is-open {
  border-color: rgba(79,70,229,0.7);
  box-shadow: 0 8px 20px rgba(79,70,229,0.08);
  background: #f9fafb;
}

html[data-theme="dark"] .faq-item.is-open {
  background: radial-gradient(circle at top left, rgba(79,70,229,0.2), #020617);
  box-shadow: 0 8px 20px rgba(0,0,0,0.9);
}

.faq-question {
  width: 100%;
  padding: 13px 15px;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.faq-question span {
  flex: 1;
  min-width: 0;
}

.faq-chevron {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.16s ease-out, color 0.15s;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out;
}

.faq-answer-inner {
  padding: 8px 15px 13px;
}

.faq-answer-inner p {
  margin: 0 0 7px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.faq-answer-inner p:last-child { margin-bottom: 0; }

.author-bio {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  margin: 20px 0 0;
  border-radius: var(--radius-lg);
  background: #f9fafb;
  border: 1px solid var(--border);
}

html[data-theme="dark"] .author-bio {
  background: rgba(15,23,42,0.6);
}

.author-bio-avatar {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  flex-shrink: 0;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(79,70,229,0.2);
}

.author-bio-body {
  flex: 1;
  min-width: 0;
}

.author-bio-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.author-bio-role {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 7px;
}

.author-bio-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 10px;
}

.author-bio-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.author-bio-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background-image: none !important;
  box-shadow: none !important;
  text-decoration: none !important;
  text-decoration-line: none !important;
  transition: color 0.14s, border-color 0.14s;
}

.author-bio-link:hover,
.author-bio-link:focus,
.author-bio-link:visited,
.author-bio-link:active {
  color: var(--primary);
  border-color: rgba(79,70,229,0.6);
  background-image: none !important;
  box-shadow: none !important;
  text-decoration: none !important;
  text-decoration-line: none !important;
}

.cite-ref {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  color: var(--primary) !important;
  font-weight: 800;
  text-decoration: none !important;
  padding: 0 2px;
  scroll-margin-top: 96px;
  cursor: pointer;
}

.cite-tooltip { display: none !important; }

.fy-citation-tooltip {
  position: fixed;
  z-index: 99999;
  width: min(390px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(148,163,184,0.35);
  background: rgba(255,255,255,0.98);
  box-shadow: 0 24px 60px rgba(15,23,42,0.18), 0 2px 6px rgba(15,23,42,0.08);
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.fy-citation-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fy-citation-tooltip strong {
  display: block;
  color: var(--text);
  font-size: 0.92rem;
  margin-bottom: 4px;
  font-weight: 800;
}

html[data-theme="dark"] .fy-citation-tooltip {
  background: rgba(15,23,42,0.98);
  border-color: rgba(55,65,81,0.95);
  box-shadow: 0 24px 60px rgba(0,0,0,0.72);
}

.sources-intro { display: none !important; }

.sources-compact {
  list-style: none !important;
  padding: 0 !important;
  margin: 10px 0 0 !important;
  display: block;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.sources-compact li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0 !important;
  border-bottom: 1px solid var(--border);
  margin: 0 !important;
  line-height: 1.48;
  scroll-margin-top: 96px;
}

.sources-compact li::before { display: none !important; }

.source-num {
  color: var(--primary);
  font-weight: 850;
  font-size: 0.82rem;
  line-height: 1.5;
}

.source-main {
  min-width: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.source-title {
  color: var(--text);
  font-weight: 760;
}

.source-note { margin-left: 4px; }

.source-url {
  color: var(--primary) !important;
  text-decoration: underline !important;
  text-underline-offset: 3px;
  font-weight: 650;
  margin-left: 6px;
  white-space: nowrap;
}

.source-context-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding: 2px 8px 3px;
  border-radius: 999px;
  border: 1px solid rgba(79,70,229,0.28);
  background: rgba(79,70,229,0.07);
  color: var(--primary) !important;
  text-decoration: none !important;
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.35;
  white-space: nowrap;
}

.source-context-link:hover {
  border-color: rgba(79,70,229,0.65);
  background: rgba(79,70,229,0.12);
}

html[data-theme="dark"] .source-context-link {
  background: rgba(79,70,229,0.18);
  border-color: rgba(129,140,248,0.35);
}

.site-footer {
  border-top: 1px solid rgba(209,213,219,0.7);
  padding: 20px 0 26px;
  background: rgba(248,250,252,0.96);
}

html[data-theme="dark"] .site-footer {
  background: rgba(15,23,42,0.98);
  border-top: 1px solid rgba(30,64,175,0.8);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-nav a:hover { color: var(--primary); }

.footer-meta {
  margin: 0;
  width: 100%;
  text-align: right;
  font-size: 0.78rem;
}

.footer-language {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.9);
  background: rgba(255,255,255,0.96);
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  outline: none;
  white-space: nowrap;
}

.lang-toggle .lang-chevron {
  font-size: 0.75rem;
  transition: transform 0.14s;
}

.lang-toggle.is-open .lang-chevron {
  transform: rotate(180deg);
}

.lang-toggle:hover {
  border-color: rgba(79,70,229,0.95);
  color: var(--primary);
}

html[data-theme="dark"] .lang-toggle {
  background: #020617;
  border-color: #1f2937;
}

.lang-dropdown {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  min-width: 200px;
  max-height: 240px;
  overflow-y: auto;
  padding: 6px 0;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 16px 30px rgba(148,163,184,0.3);
  display: none;
  z-index: 30;
}

.lang-dropdown.is-open { display: block; }

html[data-theme="dark"] .lang-dropdown {
  background: #0d1526;
  border-color: rgba(37,99,235,0.35);
  box-shadow: 0 16px 30px rgba(0,0,0,0.6);
}

.lang-option {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
}

.lang-option:hover {
  background: #f3f4ff;
  color: var(--primary);
}

.lang-option.is-active {
  font-weight: 600;
  color: var(--primary);
  background: #eef2ff;
}

html[data-theme="dark"] .lang-option:hover {
  background: rgba(30,64,175,0.35);
  color: #e5e7eb;
}

html[data-theme="dark"] .lang-option.is-active {
  background: rgba(37,99,235,0.4);
  color: #e5e7eb;
}

@media (max-width: 900px) {
  .article-hero-inner,
  .page-main-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-main-grid > aside {
    position: static;
    height: auto;
  }

  .sticky-rail { display: none; }

  .related-tools-mobile {
    display: block;
    margin-top: 16px;
  }

  .article-col { min-width: 0; }
}

@media (max-width: 800px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    border-top: 1px solid rgba(209,213,219,0.7);
    padding-top: 8px;
    margin-top: 4px;
  }

  html[data-theme="dark"] .main-nav {
    border-top: 1px solid rgba(31,41,55,0.9);
  }

  .theme-switch {
    position: absolute;
    right: 20px;
    top: 22px;
  }
}

@media (max-width: 760px) {
  .article-byline {
    align-items: flex-start;
    flex-direction: column;
  }

  .byline-right {
    align-items: flex-start;
  }

  .byline-meta {
    justify-content: flex-start;
  }

  .layer-ribbon,
  .pact-lens,
  .role-strip,
  .workflow-path,
  .biz-choose-file-grid {
    grid-template-columns: 1fr;
  }

  .layer-ribbon {
    flex-direction: column;
  }

  .layer-ribbon i,
  .workflow-path > i {
    transform: rotate(90deg);
    justify-self: center;
  }

  .selection-map div {
    grid-template-columns: 32px 1fr;
  }

  .selection-map small {
    grid-column: 2;
  }

  .decision-compass-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 11px 0;
  }

  .decision-compass-copy {
    display: block;
  }

  .decision-compass-copy strong {
    margin-top: 2px;
  }
}

@media (max-width: 680px) {
  .author-bio {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .sources-compact li {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .source-main {
    font-size: 0.8rem;
  }

  .source-url,
  .source-context-link {
    margin-left: 0;
    margin-right: 6px;
    margin-top: 2px;
  }
}

@media (max-width: 560px) {
  .decision-compass-head i { display: none; }
}

@media (max-width: 520px) {
  .footer-meta { text-align: left; }

  .footer-language {
    width: 100%;
    justify-content: flex-start;
  }

  .lang-dropdown {
    right: auto;
    left: 0;
    max-width: 100%;
  }
}