/* ── Prompt Engineering Guide ──
   Accent: Lime #84CC16
   Namespace: .pguide-*
*/

.pguide-page {
  --tool-accent: #84CC16;
  --tool-accent-dim: rgba(132, 204, 22, 0.15);
  --tool-accent-glow: rgba(132, 204, 22, 0.25);
  --tool-accent-text: #A3E635;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border-subtle: rgba(255,255,255,0.08);
  --text-primary: #e6edf3;
  --text-secondary: rgba(255,255,255,0.6);
}

/* ── Container ── */
.pguide-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ── Tabs ── */
.pguide-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}
.pguide-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  border-radius: 14px;
  transition: all 0.2s ease;
  flex: 1;
  text-align: center;
}
.pguide-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.pguide-tab.active {
  color: #000;
  background: var(--tool-accent);
  border-color: var(--tool-accent);
  box-shadow: 0 2px 8px rgba(132, 204, 22, 0.3);
}
.pguide-panel { display: none; }
.pguide-panel.active { display: block; }

/* ── Progress Bar ── */
.pguide-progress-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.pguide-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
}
.pguide-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--tool-accent);
  border-radius: 4px;
  transition: width 0.5s ease;
}
.pguide-progress-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ── Filters ── */
.pguide-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.pguide-filter {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.pguide-filter:hover { border-color: var(--tool-accent); color: var(--text-primary); }
.pguide-filter.active {
  background: var(--tool-accent-dim);
  border-color: var(--tool-accent);
  color: var(--tool-accent-text);
}

/* ── Technique Cards Grid ── */
.pguide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.pguide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pguide-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--tool-accent);
  box-shadow: 0 0 20px var(--tool-accent-glow);
  transform: translateY(-2px);
}
.pguide-card.pguide-card-hidden { display: none; }
.pguide-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.pguide-card-emoji { font-size: 2rem; }
.pguide-card-check {
  font-size: 1.2rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.pguide-card.completed .pguide-card-check { opacity: 1; }
.pguide-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.pguide-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
  flex: 1;
  line-height: 1.5;
}
.pguide-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.pguide-card-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.pguide-card-cta {
  font-size: 0.85rem;
  color: var(--tool-accent-text);
  font-weight: 600;
}

/* ── Badges ── */
.pguide-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 16px;
  font-weight: 600;
}
.pguide-badge-beginner {
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
}
.pguide-badge-intermediate {
  background: rgba(251, 191, 36, 0.15);
  color: #FBBF24;
}

/* ── Ecosystem Section ── */
.pguide-ecosystem {
  text-align: center;
  padding: 2rem 0;
}
.pguide-ecosystem h2 { color: var(--text-primary); margin-bottom: 0.5rem; }
.pguide-ecosystem p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.pguide-eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}
.pguide-eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem 1rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s;
}
.pguide-eco-card:hover { border-color: var(--tool-accent); }
.pguide-eco-card.pguide-eco-active {
  border-color: var(--tool-accent);
  background: var(--tool-accent-dim);
}
.pguide-eco-card span { font-size: 1.5rem; display: block; margin-bottom: 0.5rem; }
.pguide-eco-card strong { display: block; margin-bottom: 0.25rem; }
.pguide-eco-card p { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }

/* ══════════════════════════════════════
   PROMPT BUILDER
   ══════════════════════════════════════ */
.pguide-builder-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.pguide-builder-steps h2 {
  margin: 0 0 0.25rem;
  font-size: 1.3rem;
}
.pguide-builder-intro {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}
.pguide-builder-templates {
  margin-bottom: 1.5rem;
}
.pguide-builder-templates label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.pguide-builder-templates select,
#pguide-audience, #pguide-tone {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: 14px;
  font-size: 0.9rem;
  width: 100%;
}
.pguide-builder-templates select option,
#pguide-audience option, #pguide-tone option {
  background: #0a0a14;
  color: #e6edf3;
}

/* Steps */
.pguide-step {
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
}
.pguide-step-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.pguide-step-num {
  width: 24px;
  height: 24px;
  background: var(--tool-accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.pguide-step-header label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.pguide-optional {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.pguide-step-technique {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--tool-accent-text);
  opacity: 0.7;
}
.pguide-input {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  color: var(--text-primary);
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}
.pguide-input:focus {
  border-color: var(--tool-accent);
  outline: none;
  box-shadow: 0 0 0 2px var(--tool-accent-glow);
}

/* Format radio */
.pguide-format-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.pguide-radio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.pguide-radio input[type="radio"] { accent-color: var(--tool-accent); }

/* Constraint toggles */
.pguide-constraint-toggles {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.pguide-toggle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.pguide-toggle input[type="checkbox"] { accent-color: var(--tool-accent); }
.pguide-constraint-val {
  width: 70px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-primary);
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
}
.pguide-tone-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* Preview pane */
.pguide-builder-preview { position: relative; }
.pguide-preview-sticky {
  position: sticky;
  top: 5rem;
}
.pguide-preview-sticky h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--tool-accent-text);
}
.pguide-preview-box {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem;
  min-height: 200px;
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.pguide-preview-placeholder { color: var(--text-secondary); font-style: italic; }
.pguide-preview-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.pguide-btn {
  padding: 0.6rem 1rem;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.pguide-btn-primary {
  background: var(--tool-accent);
  color: #000;
}
.pguide-btn-primary:hover { filter: brightness(1.1); }
.pguide-btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}
.pguide-btn-secondary:hover { border-color: var(--tool-accent); }
.pguide-preview-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ══════════════════════════════════════
   TECHNIQUE SINGLE PAGE
   ══════════════════════════════════════ */
.pguide-technique-hero {
  background: linear-gradient(180deg, color-mix(in srgb, #84CC16 15%, #060610) 0%, #060610 100%);
  padding: 3rem 1.5rem 2rem;
}
.pguide-technique-hero-inner {
  max-width: 800px;
  margin: 0 auto;
}
.pguide-technique-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.pguide-technique-time {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.pguide-technique-academic {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
}
.pguide-technique-title {
  font-size: 2rem;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.pguide-technique-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.pguide-mark-complete {
  background: var(--tool-accent-dim);
  border: 1px solid var(--tool-accent);
  color: var(--tool-accent-text);
  padding: 0.5rem 1rem;
  border-radius: 14px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.pguide-mark-complete:hover { background: var(--tool-accent-glow); }
.pguide-mark-complete.completed {
  background: var(--tool-accent);
  color: #000;
}

/* Technique Layout */
.pguide-technique-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
.pguide-technique-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3rem;
  align-items: start;
}

/* Content Styles */
.pguide-technique-content h2 {
  color: var(--tool-accent-text);
  font-size: 1.3rem;
  margin: 2.5rem 0 0.75rem;
  padding-top: 0.5rem;
}
.pguide-technique-content h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}
.pguide-technique-content p {
  color: var(--text-primary);
  line-height: 1.7;
  margin: 0 0 1rem;
}
.pguide-technique-content ul, .pguide-technique-content ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}
.pguide-technique-content li {
  margin-bottom: 0.4rem;
  line-height: 1.6;
}
.pguide-technique-content blockquote {
  border-left: 3px solid var(--tool-accent);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: var(--tool-accent-dim);
  border-radius: 0 8px 8px 0;
}
.pguide-technique-content blockquote p { margin: 0; }
.pguide-technique-content a {
  color: var(--tool-accent-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.pguide-technique-content a:hover { opacity: 0.8; }

/* Sidebar */
.pguide-technique-sidebar { position: sticky; top: 5rem; }
.pguide-toc {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}
.pguide-toc h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}
.pguide-toc ul { list-style: none; padding: 0; margin: 0; }
.pguide-toc li { margin-bottom: 0.4rem; }
.pguide-toc a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
  display: block;
  padding: 0.15rem 0;
}
.pguide-toc a:hover { color: var(--tool-accent-text); }

/* Next Technique */
.pguide-next-technique { margin-top: 1.5rem; }
.pguide-next-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}
.pguide-next-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s;
}
.pguide-next-card:hover { border-color: var(--tool-accent); }
.pguide-next-emoji { font-size: 1.5rem; }
.pguide-next-title { font-weight: 600; font-size: 0.9rem; }

/* ── Sandbox ── */
.pguide-sandbox {
  background: var(--bg-card);
  border: 2px solid var(--tool-accent);
  border-radius: 16px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.pguide-sandbox h2 { margin-top: 0; color: var(--tool-accent-text); }
.pguide-sandbox-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.4rem;
}
.pguide-sandbox-bad {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #FCA5A5;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-style: italic;
  margin-bottom: 1rem;
}
.pguide-sandbox-textarea {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  color: var(--text-primary);
  padding: 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  line-height: 1.5;
}
.pguide-sandbox-textarea:focus {
  border-color: var(--tool-accent);
  outline: none;
  box-shadow: 0 0 0 2px var(--tool-accent-glow);
}
.pguide-sandbox-criteria {
  margin-top: 1rem;
}
.pguide-sandbox-criteria-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}
.pguide-criterion {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.pguide-criterion.met {
  color: var(--tool-accent-text);
}
.pguide-criterion.met .pguide-criterion-icon::after {
  content: '✅';
}
.pguide-criterion-icon {
  font-size: 1rem;
  width: 1.2em;
  text-align: center;
}
.pguide-criterion.met .pguide-criterion-icon { font-size: 0; }
.pguide-sandbox-feedback {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}
.pguide-sandbox-feedback.show { display: block; }
.pguide-sandbox-feedback.success {
  background: rgba(132, 204, 22, 0.15);
  border: 1px solid var(--tool-accent);
  color: var(--tool-accent-text);
}
.pguide-sandbox-feedback.partial {
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid #FBBF24;
  color: #FBBF24;
}

/* ── FAQ ── */
.pguide-faq {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}
.pguide-faq h2 { margin-bottom: 1rem; }
.pguide-faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  margin-bottom: 0.75rem;
}
.pguide-faq-item summary {
  padding: 1rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--tool-accent-text);
  list-style: none;
}
.pguide-faq-item summary::before {
  content: '▸ ';
  font-size: 0.9rem;
}
.pguide-faq-item[open] summary::before { content: '▾ '; }
.pguide-faq-item p {
  padding: 0 1rem 1rem;
  margin: 0;
  color: var(--text-primary);
  line-height: 1.6;
}

/* ── Cross-tool CTAs ── */
.pguide-cross-cta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.pguide-cta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s;
  text-align: center;
}
.pguide-cta-card:hover { border-color: var(--tool-accent); }
.pguide-cta-card span { font-size: 1.5rem; display: block; margin-bottom: 0.5rem; }
.pguide-cta-card strong { display: block; margin-bottom: 0.25rem; font-size: 0.95rem; }
.pguide-cta-card p { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .pguide-grid { grid-template-columns: 1fr 1fr; }
  .pguide-builder-layout { grid-template-columns: 1fr; }
  .pguide-preview-sticky { position: static; margin-top: 2rem; }
  .pguide-technique-layout { grid-template-columns: 1fr; }
  .pguide-technique-sidebar { display: none; }
  .pguide-technique-title { font-size: 1.5rem; }
  .pguide-cross-cta { grid-template-columns: 1fr; }
  .pguide-eco-grid { grid-template-columns: 1fr; }
  .pguide-tone-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .pguide-grid { grid-template-columns: 1fr; }
  .pguide-tabs { gap: 0.3rem; flex-wrap: wrap; }
  .pguide-tab { font-size: 0.8rem; padding: 0.5rem 0.6rem; flex: 0 1 auto; }
}

/* ── Accessibility ── */
@media (prefers-reduced-motion: reduce) {
  .pguide-card, .pguide-progress-fill, .pguide-criterion { transition: none; }
}
.pguide-tab:focus-visible,
.pguide-card:focus-visible,
.pguide-filter:focus-visible,
.pguide-btn:focus-visible,
.pguide-mark-complete:focus-visible {
  outline: 2px solid var(--tool-accent);
  outline-offset: 2px;
}

/* ══════════════════════════════════════
   NEW: Hero Inline Steps
   ══════════════════════════════════════ */
.pguide-hero-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.75rem 0 0.4rem;
  flex-wrap: wrap;
}
.pguide-hero-step {
  background: rgba(132, 204, 22, 0.15);
  border: 1px solid rgba(132, 204, 22, 0.35);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #A3E635;
}
.pguide-hero-step b { color: #fff; }
.pguide-hero-sep { color: rgba(255,255,255,0.3); font-size: 0.9rem; }
.pguide-hero-meta {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

/* ══════════════════════════════════════
   NEW: Intro Section (fix #3) — REMOVED, merged into hero
   ══════════════════════════════════════ */

/* ══ Quick Win Demo (fix #13) ══ */
.pguide-quickwin {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}
.pguide-quickwin h2 { margin: 0 0 1rem; font-size: 1.2rem; }
.pguide-ba-cards {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.pguide-ba-card {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  padding: 1rem;
  border-radius: 16px;
  text-align: left;
  position: relative;
}
.pguide-ba-before {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.25);
}
.pguide-ba-after {
  background: rgba(132, 204, 22, 0.08);
  border: 1px solid rgba(132, 204, 22, 0.25);
}
.pguide-ba-label {
  font-size: 0.75rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}
.pguide-ba-before .pguide-ba-label { color: #FCA5A5; }
.pguide-ba-after .pguide-ba-label { color: var(--tool-accent-text); }
.pguide-ba-card p { margin: 0; font-size: 0.9rem; line-height: 1.5; }
.pguide-ba-arrow {
  font-size: 1.5rem;
  color: var(--tool-accent);
  font-weight: 700;
  flex-shrink: 0;
}
.pguide-quickwin-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ══ Copy Small Button ══ */
.pguide-copy-small {
  background: var(--tool-accent-dim);
  border: 1px solid var(--tool-accent);
  color: var(--tool-accent-text);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 0.5rem;
}
.pguide-copy-small:hover { background: var(--tool-accent-glow); }

/* ══ Card Number Badge (fix #12) ══ */
.pguide-card-num {
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: var(--border-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-left: auto;
}

/* ══ Path Hint (fix #12) ══ */
.pguide-path-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--tool-accent-dim);
  border-radius: 14px;
  border-left: 3px solid var(--tool-accent);
}

/* ══ Combine Callout (fix #9) ══ */
.pguide-combine-callout {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
.pguide-combine-callout h3 { margin: 0 0 0.5rem; color: var(--tool-accent-text); }
.pguide-combine-callout > p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.pguide-combine-example {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.pguide-combine-tag {
  background: var(--tool-accent-dim);
  border: 1px solid var(--tool-accent);
  color: var(--tool-accent-text);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}
.pguide-combine-plus, .pguide-combine-eq { color: var(--text-secondary); font-weight: 700; }
.pguide-combine-result {
  background: var(--tool-accent);
  color: #000;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ══ Print Button ══ */
.pguide-print-btn { margin-top: 1rem; }

/* ══ Sandbox Actions (fix #15) ══ */
.pguide-sandbox-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}
.pguide-btn-small {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}
.pguide-btn-small:hover { border-color: var(--tool-accent); color: var(--text-primary); }

/* ══ Show Answer Reveal (fix #8) ══ */
.pguide-sandbox-reveal {
  margin-top: 1rem;
  background: rgba(132, 204, 22, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
}
.pguide-sandbox-reveal summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--tool-accent-text);
  font-weight: 600;
}
.pguide-sandbox-answer {
  padding: 0 1rem 1rem;
}
.pguide-sandbox-answer p { margin: 0; font-size: 0.9rem; line-height: 1.6; white-space: pre-wrap; }

/* ══ Fix This Prompt — V2 ══ */
.pguide-fix-exercise {
  background: rgba(251, 191, 36, 0.06);
  border: 2px solid #FBBF24;
  border-radius: 16px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.pguide-fix-exercise h2 { margin-top: 0; color: #FBBF24; }

/* ══ Heatmap Card — V2 ══ */
.pguide-heatmap-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}
.pguide-heatmap-card h3 { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--text-secondary); }
.pguide-best-for { list-style: none; padding: 0; margin: 0; }
.pguide-best-for li {
  font-size: 0.8rem;
  color: var(--tool-accent-text);
  padding: 0.2rem 0;
}
.pguide-best-for li::before { content: '✓ '; }

/* ══ Certificate — V2 ══ */
.pguide-certificate {
  background: linear-gradient(135deg, rgba(132,204,22,0.1), rgba(132,204,22,0.02));
  border: 2px solid var(--tool-accent);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}
.pguide-cert-badge { font-size: 3rem; display: block; margin-bottom: 0.5rem; }
.pguide-cert-inner h3 { color: var(--tool-accent-text); margin: 0 0 0.5rem; }
.pguide-cert-form { display: flex; gap: 0.5rem; justify-content: center; margin: 1rem 0; flex-wrap: wrap; }
.pguide-cert-form .pguide-input { max-width: 250px; text-align: center; }
.pguide-cert-card {
  max-width: 500px;
  margin: 1.5rem auto 0;
  background: linear-gradient(135deg, #1a2a1a, #050510);
  border: 2px solid var(--tool-accent);
  border-radius: 16px;
  overflow: hidden;
}
.pguide-cert-card-inner { padding: 2rem; }
.pguide-cert-top { font-size: 0.75rem; color: var(--text-secondary); letter-spacing: 2px; text-transform: uppercase; margin: 0 0 0.5rem; }
.pguide-cert-card h4 { color: var(--tool-accent-text); font-size: 1.3rem; margin: 0 0 1rem; }
.pguide-cert-name { font-size: 1.5rem; font-weight: 700; color: #fff; margin: 0 0 0.75rem; }
.pguide-cert-detail { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; margin: 0 0 0.5rem; }
.pguide-cert-date { font-size: 0.75rem; color: var(--text-secondary); margin: 0; }

/* ══ Quiz — V2 ══ */
.pguide-quiz-container { max-width: 700px; margin: 0 auto; }
.pguide-quiz-container h2 { margin: 0 0 0.5rem; }
.pguide-quiz-container > p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.pguide-quiz-q {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.pguide-quiz-q h3 { margin: 0 0 0.75rem; font-size: 1rem; }
.pguide-quiz-q .pguide-quiz-num { color: var(--tool-accent-text); font-size: 0.85rem; }
.pguide-quiz-options { display: flex; flex-direction: column; gap: 0.4rem; }
.pguide-quiz-opt {
  background: rgba(0,0,0,0.15);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.6rem 1rem;
  border-radius: 14px;
  cursor: pointer;
  font-size: 0.9rem;
  text-align: left;
  transition: all 0.2s;
}
.pguide-quiz-opt:hover { border-color: var(--tool-accent); }
.pguide-quiz-opt.selected {
  background: var(--tool-accent-dim);
  border-color: var(--tool-accent);
  color: var(--tool-accent-text);
}
.pguide-quiz-results { max-width: 700px; margin: 0 auto; }
.pguide-quiz-result-card {
  background: var(--bg-card);
  border: 1px solid var(--tool-accent);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.pguide-quiz-result-rank {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--tool-accent-text);
  min-width: 40px;
  text-align: center;
}
.pguide-quiz-result-info { flex: 1; }
.pguide-quiz-result-info strong { display: block; margin-bottom: 0.25rem; }
.pguide-quiz-result-info p { margin: 0; font-size: 0.85rem; color: var(--text-secondary); }
.pguide-quiz-result-info a { color: var(--tool-accent-text); font-size: 0.85rem; }

/* ══ Challenges — V2 ══ */
.pguide-challenge-container { max-width: 800px; margin: 0 auto; }
.pguide-challenge-container h2 { margin: 0 0 0.5rem; }
.pguide-challenge-container > p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.pguide-challenge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.pguide-challenge-card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.pguide-challenge-hero-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  background: rgba(132, 204, 22, 0.08);
  border: 1px solid rgba(132, 204, 22, 0.25);
  border-radius: 16px;
}
.pguide-challenge-hero-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
}
.pguide-challenge-hero-callout strong {
  color: #84CC16;
  font-size: 0.95rem;
}
.pguide-challenge-hero-callout p {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.pguide-challenge-input-wrap {
  position: relative;
}
.pguide-challenge-live-badge {
  position: absolute;
  top: -10px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  background: rgba(132, 204, 22, 0.15);
  color: #84CC16;
  border: 1px solid rgba(132, 204, 22, 0.3);
  border-radius: 6px;
  pointer-events: none;
  z-index: 1;
}
.pguide-challenge-scenario {
  background: rgba(0,0,0,0.2);
  border-left: 3px solid var(--tool-accent);
  padding: 0.75rem 1rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.pguide-challenge-input { margin-bottom: 0.75rem; }
.pguide-challenge-score {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}
.pguide-challenge-tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.pguide-challenge-tag.detected {
  border-color: var(--tool-accent);
  background: var(--tool-accent-dim);
  color: var(--tool-accent-text);
}
.pguide-challenge-feedback {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ══ Nav Accent (fix #19) ══ */
.page-prompt-guide .site-nav { border-bottom-color: #84CC16; }

/* ══ TL;DR Box (fix K) ══ */
.pguide-tldr {
  background: linear-gradient(135deg, rgba(132,204,22,0.12), rgba(132,204,22,0.04));
  border: 1px solid var(--tool-accent);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.pguide-tldr-label {
  background: var(--tool-accent);
  color: #000;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}
.pguide-tldr p { margin: 0; font-size: 1rem; line-height: 1.5; color: var(--text-primary); }

/* ══ Platform Accordion (fix B) ══ */
.pguide-platform-accordion { margin: 0.5rem 0 1.5rem; }
.pguide-platform-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.pguide-platform-item summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pguide-platform-item summary::before { content: '▸ '; color: var(--tool-accent-text); font-size: 0.85rem; }
.pguide-platform-item[open] summary::before { content: '▾ '; }
.pguide-platform-body {
  padding: 0 1rem 0.75rem;
  border-top: 1px solid var(--border-subtle);
}
.pguide-platform-body ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.pguide-platform-body li { margin-bottom: 0.3rem; font-size: 0.9rem; line-height: 1.5; }

/* ══ Section Dividers (fix L) ══ */
.pguide-technique-content h2.pguide-section-divided {
  padding-top: 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}
.pguide-technique-content h2.pguide-section-divided:first-of-type {
  border-top: none;
  margin-top: 0;
}

/* ══ Quiz Answered State (fix F) ══ */
.pguide-quiz-q.pguide-quiz-answered {
  border-color: var(--tool-accent);
  background: rgba(132,204,22,0.04);
}
.pguide-quiz-q.pguide-quiz-answered::after {
  content: '✅';
  float: right;
  font-size: 1.2rem;
  margin-top: -2rem;
}

/* ══ Challenge Difficulty Badge (fix G) ══ */
.pguide-challenge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.pguide-challenge-header h3 { margin: 0; }
.pguide-challenge-diff {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--border-subtle);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* ══════════════════════════════════════
   RESPONSIVE — Updated
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .pguide-grid { grid-template-columns: 1fr 1fr; }
  .pguide-builder-layout { grid-template-columns: 1fr; }
  .pguide-preview-sticky { position: static; margin-top: 2rem; }
  .pguide-technique-layout { grid-template-columns: 1fr; }
  .pguide-technique-sidebar { display: none; }
  .pguide-technique-title { font-size: 1.5rem; }
  .pguide-cross-cta { grid-template-columns: 1fr; }
  .pguide-eco-grid { grid-template-columns: 1fr; }
  .pguide-tone-row { grid-template-columns: 1fr; }
  .pguide-intro-steps { grid-template-columns: 1fr; }
  .pguide-ba-arrow { transform: rotate(90deg); }
  .pguide-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .pguide-tab { white-space: nowrap; font-size: 0.82rem; padding: 0.5rem 0.8rem; flex: 0 0 auto; }
}
@media (max-width: 480px) {
  .pguide-grid { grid-template-columns: 1fr; }
}

/* ── Print (fix #18) ── */
@media print {
  .pguide-tabs, .pguide-filters, .pguide-progress-wrap, .pguide-certificate,
  .pguide-mark-complete, .pguide-sandbox, .pguide-cross-cta, .pguide-fix-exercise,
  .pguide-preview-actions, .pguide-quickwin, .pguide-print-btn,
  .pguide-combine-callout, .pguide-intro { display: none; }
  .pguide-technique-hero { background: none !important; }
  .pguide-page { color: #000; }
  .pguide-card { break-inside: avoid; border: 1px solid #ccc; }
  .pguide-panel { display: block !important; }
  .pguide-grid { grid-template-columns: 1fr 1fr; }
  .pguide-card-title, .pguide-technique-title { color: #000; }
  .pguide-card-desc, .pguide-card-meta { color: #333; }
}

/* ══ "Open in" Links on After examples (fix J) ══ */
.pguide-open-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.pguide-open-link {
  font-size: 0.75rem;
  color: var(--tool-accent-text);
  background: var(--tool-accent-dim);
  border: 1px solid var(--tool-accent);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s;
}
.pguide-open-link:hover { background: var(--tool-accent-glow); }