/* =========================================================================
   BLOG POST — Quantum Design System
   Handles all legacy Tailwind utility classes in migrated blog body content.
   Every Tailwind pattern is mapped to the quantum design tokens.
   ========================================================================= */

/* ---------- hero ---------- */
.post-hero {
  padding-top: calc(72px + clamp(56px, 8vw, 100px));
  padding-bottom: clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--border-hairline);
}
.post-hero .shell { max-width: 820px; }
.post-hero .kicker { margin-bottom: 14px; }
.post-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 0 0 18px;
  max-width: 22ch;
}
.post-hero .post-lede {
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 0 0 18px;
}
.post-hero .post-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.post-hero .post-meta .sep { color: var(--border-strong); }

/* ---------- body container ---------- */
.post-body { padding-block: clamp(40px, 5vw, 72px); }
.post-body .shell { max-width: 100%; }

/* the prose wrapper — expand to full article width */
.post-body .prose {
  max-width: 100%;
  color: var(--text-secondary);
}

/* ---------- grid system ---------- */
/* 4-column layout: sidebar TOC + article content */
.post-body .prose > .grid.grid-cols-1,
.post-body .prose > div.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 48px);
  max-width: 100%;
}
@media (min-width: 1024px) {
  .post-body .prose > .grid.grid-cols-1,
  .post-body .prose > div.grid {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

/* 3-column grids (tool comparison cards etc.) */
.post-body .prose .grid-cols-1.md\:grid-cols-3,
.post-body .prose .grid.grid-cols-1:not(:first-child) {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .post-body .prose .grid-cols-1.md\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 2-column grids */
.post-body .prose .grid-cols-1.md\:grid-cols-2,
.post-body .prose .grid.grid-cols-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .post-body .prose .grid-cols-1.md\:grid-cols-2,
  .post-body .prose .grid.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* col-span mapping */
.post-body .prose .lg\:col-span-1 { grid-column: span 1; }
.post-body .prose .lg\:col-span-3 { grid-column: 1 / -1; }
@media (min-width: 1024px) {
  .post-body .prose .lg\:col-span-1 { grid-column: span 1; }
  .post-body .prose .lg\:col-span-3 { grid-column: span 1; }
}

/* ---------- table of contents sidebar ---------- */
.post-body .prose aside {
  display: none;
}
@media (min-width: 1024px) {
  .post-body .prose aside {
    display: block;
  }
}
.post-body .prose aside .sticky {
  position: sticky;
  top: 96px;
}
.post-body .prose aside h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 16px;
  font-weight: 600;
}
.post-body .prose aside nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.post-body .prose aside nav a {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--border-hairline);
  transition: color var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
  line-height: 1.4;
}
.post-body .prose aside nav a:hover {
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
}

/* ---------- article content column ---------- */
/* The lg:col-span-3 div that holds the actual article */
.post-body .prose .lg\:col-span-3,
.post-body .prose .prose.prose-invert {
  max-width: 720px;
}

/* ---------- typography ---------- */
.post-body .prose h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin: 2.5rem 0 1rem;
  color: var(--text-primary);
}
.post-body .prose h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 400;
  margin: 2rem 0 0.75rem;
  color: var(--text-primary);
}
.post-body .prose h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.25;
  font-weight: 400;
  margin: 1.5rem 0 0.5rem;
  color: var(--text-primary);
}
.post-body .prose p {
  color: var(--text-secondary);
  max-width: 65ch;
  margin: 0 0 1.25em;
  line-height: 1.6;
}
.post-body .prose ul,
.post-body .prose ol {
  color: var(--text-secondary);
  max-width: 62ch;
  margin: 0 0 1.25em;
  padding-left: 1.5em;
}
.post-body .prose li { margin-bottom: 0.5em; }
.post-body .prose blockquote {
  border-left: 1px solid var(--accent-cyan);
  padding-left: 1.25rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
  font-family: var(--font-serif);
}
.post-body .prose pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 0;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 2rem 0;
}
.post-body .prose code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-cyan);
}
.post-body .prose pre code {
  color: var(--text-primary);
  background: none;
  padding: 0;
}
.post-body .prose strong {
  color: var(--text-primary);
  font-weight: 600;
}
.post-body .prose a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--border-hairline);
  transition: border-color var(--t-micro) var(--ease);
}
.post-body .prose a:hover { border-bottom-color: var(--accent-cyan); }

/* ---------- tables ---------- */
.post-body .prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  display: block;
  overflow-x: auto;
}
.post-body .prose th {
  background: var(--bg-surface);
  padding: 0.625rem;
  text-align: left;
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}
.post-body .prose td {
  padding: 0.625rem;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}
.post-body .prose img {
  border: 1px solid var(--border-hairline);
  margin: 2rem 0;
  width: 100%;
  height: auto;
}
.post-body .prose figure { margin: 2rem 0; }
.post-body .prose figcaption {
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  margin-top: 0.5rem;
}

/* =========================================================================
   COMPONENT SYSTEM — Tailwind patterns mapped to quantum design
   ========================================================================= */

/* ---------- stats bar ---------- */
.post-body .prose .grid.grid-cols-2.md\:grid-cols-4,
.post-body .prose .grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
@media (min-width: 768px) {
  .post-body .prose .grid.grid-cols-2.md\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- panels: callout / info / tip / ROI / cost tiers ---------- */
/* All bg-* + border-* boxes become quantum panels */
.post-body .prose [class*="bg-gradient-"],
.post-body .prose [class*="bg-green-"],
.post-body .prose [class*="bg-blue-"],
.post-body .prose [class*="bg-purple-"],
.post-body .prose [class*="bg-teal-"],
.post-body .prose [class*="bg-gray-"],
.post-body .prose [class*="bg-opacity-"] {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-hairline);
  border-radius: 0 !important;
  padding: 1.25rem;
  margin: 2rem 0;
}
/* Side-border accent panels (border-l-4) */
.post-body .prose [class*="border-l-4"] {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-hairline) !important;
  border-left: 1px solid var(--accent-cyan) !important;
  border-radius: 0 !important;
  padding: 1.25rem;
  margin: 2rem 0;
}

/* Panel header labels */
.post-body .prose [class*="bg-blue-"] [class*="font-semibold"],
.post-body .prose [class*="bg-blue-"] [class*="font-bold"] {
  color: var(--accent-cyan) !important;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.post-body .prose [class*="bg-green-"] [class*="font-bold"][class*="text-lg"],
.post-body .prose [class*="bg-green-"] [class*="font-bold"]:first-child {
  color: var(--text-primary) !important;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.post-body .prose [class*="bg-purple-"] [class*="font-bold"] {
  color: var(--text-primary) !important;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* ---------- step-by-step numbered steps ---------- */
.post-body .prose .space-y-4,
.post-body .prose .space-y-6 {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 2rem 0;
}
.post-body .prose .space-y-4 > .flex,
.post-body .prose .space-y-6 > .flex {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-hairline);
}
.post-body .prose .space-y-4 > .flex:last-child,
.post-body .prose .space-y-6 > .flex:last-child {
  border-bottom: 1px solid var(--border-hairline);
}

/* Step number circles */
.post-body .prose [class*="bg-green-"][class*="rounded-full"] {
  background: transparent !important;
  border: 1px solid var(--border-strong);
  border-radius: 0 !important;
  width: auto !important;
  height: auto !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0;
  flex-shrink: 0;
  aspect-ratio: 1;
  width: 40px;
  height: 40px;
}
.post-body .prose [class*="bg-green-"][class*="rounded-full"]:first-child {
  background: transparent !important;
}

/* Step body text */
.post-body .prose .space-y-4 p,
.post-body .prose .space-y-6 p {
  margin: 0;
}
.post-body .prose .space-y-4 p[class*="font-semibold"],
.post-body .prose .space-y-6 p[class*="font-semibold"] {
  color: var(--text-primary) !important;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

/* ---------- tool comparison cards ---------- */
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-hairline);
  border-radius: 0 !important;
  padding: 1.5rem;
}
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] h3 {
  margin-top: 0;
  font-size: 1.25rem;
}
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] p[class*="text-blue-"],
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] p[class*="text-purple-"],
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] p[class*="text-green-"] {
  color: var(--accent-cyan) !important;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 1rem;
}
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] ul {
  margin-bottom: 0;
}
.post-body .prose [class*="bg-gray-"][class*="rounded-xl"] li {
  padding-left: 0;
  font-size: 0.9375rem;
}

/* ---------- CTA banner ---------- */
.post-body .prose [class*="from-green-"][class*="to-emerald-"] {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-hairline);
  border-radius: 0 !important;
  padding: clamp(2rem, 4vw, 3rem);
  text-align: left;
  margin: 3rem 0;
}
.post-body .prose [class*="from-green-"][class*="to-emerald-"] h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-primary) !important;
}
.post-body .prose [class*="from-green-"][class*="to-emerald-"] p {
  color: var(--text-secondary) !important;
}
.post-body .prose [class*="from-green-"][class*="to-emerald-"] a[class*="bg-white"] {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-strong);
  cursor: pointer;
  margin-top: 1rem;
  transition: color var(--t-micro) var(--ease),
              border-color var(--t-micro) var(--ease);
  text-decoration: none;
}
.post-body .prose [class*="from-green-"][class*="to-emerald-"] a[class*="bg-white"]:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan-hot) !important;
}

/* ---------- inline icons (Font Awesome) ---------- */
.post-body .prose .fas,
.post-body .prose .far,
.post-body .prose .fab {
  display: inline;
  font-style: normal;
  color: var(--text-muted);
  margin-right: 0.5em;
  font-size: 0.85em;
}

/* ---------- flex layouts ---------- */
.post-body .prose .flex {
  display: flex;
}
.post-body .prose .flex.gap-4,
.post-body .prose [class*="flex gap-"] {
  gap: 16px;
}
.post-body .prose .items-start { align-items: start; }
.post-body .prose .items-center { align-items: center; }
.post-body .prose .justify-center { justify-content: center; }
.post-body .prose .flex-shrink-0 { flex-shrink: 0; }
.post-body .prose .flex-col { flex-direction: column; }

/* ---------- overflow ---------- */
.post-body .prose .overflow-x-auto {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ---------- text center ---------- */
.post-body .prose .text-center { text-align: left; }

/* ---------- hidden / block ---------- */
.post-body .prose .hidden.lg\:block {
  display: none;
}
@media (min-width: 1024px) {
  .post-body .prose .hidden.lg\:block { display: block; }
}

/* ---------- font awesome check icon replacement ---------- */
.post-body .prose [class*="fa-check"] {
  color: var(--text-muted) !important;
}

/* ---------- timeline / roadmap ---------- */
/* The timeline wrapper with left border */
.post-body .prose [class*="border-l-2"] {
  border-left: 1px solid var(--border-strong) !important;
  padding-left: 2rem !important;
  margin-left: 0.5rem;
  position: relative;
}
/* Timeline dot markers (green circles positioned absolutely) */
/* Old Tailwind: absolute -left-11 top-2 w-6 h-6 bg-green-600 rounded-full border-4 border-black */
.post-body .prose [class*="border-l-2"] [class*="bg-green-600"][class*="rounded-full"] {
  background: var(--accent-cyan) !important;
  border: 2px solid var(--bg-void) !important;
  border-radius: 50% !important;
  width: 12px !important;
  height: 12px !important;
  min-width: 12px;
  position: absolute !important;
  left: -2.5rem !important;
  top: 0.4em !important;
  z-index: 2;
  box-shadow: none;
}
/* Timeline week labels */
.post-body .prose [class*="border-l-2"] [class*="text-green-400"][class*="font-bold"] {
  color: var(--accent-cyan) !important;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
/* Timeline inner panels (bg-gray-900 cards inside weeks) */
.post-body .prose [class*="border-l-2"] [class*="bg-gray-900"] {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-hairline) !important;
  border-radius: 0 !important;
  padding: 1.25rem !important;
  margin: 0.5rem 0 0 !important;
}
.post-body .prose [class*="border-l-2"] [class*="bg-gray-900"] ul {
  margin-bottom: 0;
}
.post-body .prose [class*="border-l-2"] [class*="bg-gray-900"] li {
  padding: 0.4em 0;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}
.post-body .prose [class*="border-l-2"] [class*="bg-gray-900"] li:last-child {
  border-bottom: none;
}
/* Checkbox icons in timeline */
.post-body .prose [class*="border-l-2"] .far,
.post-body .prose [class*="border-l-2"] .fas {
  font-size: 0.75em;
  color: var(--text-muted) !important;
  flex-shrink: 0;
  margin-top: 0.15em;
}

/* ---------- checklist grid (inside purple/blue boxes) ---------- */
.post-body .prose [class*="bg-purple-"] .grid.grid-cols-1,
.post-body .prose [class*="bg-blue-"] .grid.grid-cols-1 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .post-body .prose [class*="bg-purple-"] .grid.grid-cols-1,
  .post-body .prose [class*="bg-blue-"] .grid.grid-cols-1 {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* Checklist section headers */
.post-body .prose [class*="bg-purple-"] h3,
.post-body .prose [class*="bg-blue-"] h3 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-cyan) !important;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-hairline);
}
/* Checklist items */
.post-body .prose [class*="bg-purple-"] li,
.post-body .prose [class*="bg-blue-"] li {
  padding: 0.35em 0;
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}
.post-body .prose [class*="bg-purple-"] .far,
.post-body .prose [class*="bg-blue-"] .far {
  font-size: 0.75em;
  color: var(--text-muted) !important;
  flex-shrink: 0;
}

/* ---------- border-l-4 accent panels (ROI boxes, tip boxes) ---------- */
.post-body .prose [class*="border-l-4"] {
  border-left-color: var(--accent-cyan) !important;
}

/* ---------- relative positioning for timeline ---------- */
.post-body .prose .relative { position: relative; }
.post-body .prose .absolute { position: absolute; }

/* =========================================================================
   COLOR NEUTRALIZATION
   All Tailwind color classes mapped to quantum design tokens.
   ========================================================================= */

/* text colors */
.post-body .prose [class*="text-blue-"],
.post-body .prose [class*="text-teal-"],
.post-body .prose [class*="text-cyan-"] {
  color: var(--accent-cyan) !important;
}
.post-body .prose [class*="text-green-"] {
  color: var(--text-secondary) !important;
}
.post-body .prose [class*="text-red-"] {
  color: var(--error-red) !important;
}
.post-body .prose [class*="text-yellow-"],
.post-body .prose [class*="text-amber-"] {
  color: var(--accent-cyan) !important;
}
.post-body .prose [class*="text-gray-"] {
  color: var(--text-secondary) !important;
}
.post-body .prose [class*="text-white"] {
  color: var(--text-primary) !important;
}
.post-body .prose [class*="text-purple-"] {
  color: var(--text-secondary) !important;
}

/* border colors */
.post-body .prose [class*="border-gray-"],
.post-body .prose [class*="border-blue-"],
.post-body .prose [class*="border-teal-"],
.post-body .prose [class*="border-green-"],
.post-body .prose [class*="border-purple-"] {
  border-color: var(--border-hairline) !important;
}

/* gradient text ban */
.post-body .prose [class*="gradient-text"],
.post-body .prose [class*="bg-clip-text"] {
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  background: none !important;
  color: var(--text-primary) !important;
}

/* rounded corners — all zero per design system */
.post-body .prose [class*="rounded-"] {
  border-radius: 0 !important;
}

/* old component neutralization */
.post-body .prose [class*="cta-gradient"],
.post-body .prose [class*="cta-button"] {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
}
.post-body .prose [class*="feature-card"],
.post-body .prose [class*="gradient-border"] {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 1.25rem;
}
.post-body .prose [class*="stat-card"],
.post-body .prose [class*="stats-grid"] div {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 1rem;
}
.post-body .prose [class*="alert-"] {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 1.25rem;
}
.post-body .prose [class*="glass-footer"] { background: var(--bg-void); }
.post-body .prose [class*="glass-nav"] { display: none; }

/* ---------- stat numbers inside panels ---------- */
.post-body .prose [class*="text-3xl"][class*="font-bold"] {
  font-family: var(--font-mono);
  font-size: 1.5rem !important;
  font-weight: 600;
  color: var(--text-primary) !important;
  line-height: 1.2;
}
.post-body .prose [class*="text-sm"][class*="text-gray-"] {
  font-family: var(--font-mono);
  font-size: 0.6875rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted) !important;
}

/* ---------- stats grid inside panels ---------- */
.post-body .prose [class*="bg-gradient-"] .grid.grid-cols-2,
.post-body .prose [class*="bg-gradient-"] .grid.grid-cols-4 {
  display: grid;
  gap: 1.5rem;
}
.post-body .prose [class*="bg-gradient-"] > div,
.post-body .prose [class*="bg-gradient-"] .grid > div {
  text-align: left;
}

/* ---------- back link ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 4px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-strong);
  transition: color var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
}
.back-link:hover {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}
.back-link svg { width: 14px; height: 14px; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .post-body .shell { padding-inline: var(--gutter); }
}
@media print {
  .q-header, .q-menu, .q-footer, .back-link { display: none; }
  .prose { color: #000; }
}