/* GENERATED — do not edit.
 * Source : src/vendor/mlstack/styles.css
 * Build  : apps/purple-mlstudy/build.mjs -> scripts/scope-css.mjs
 *
 * Every rule below was rewritten to match only inside .pi-panel--mlstack,
 * so the ML Stack Lab styles cannot leak into the other tab. ':root',
 * 'html' and 'body' selectors were collapsed onto the panel element, and
 * '[data-theme]' hooks were lifted out to the document element, which the
 * shell owns. @keyframes names are prefixed 'mls-'.
 *
 * Edit src/vendor/mlstack/styles.css and re-run the build.
 */
.pi-panel--mlstack{
  color-scheme: light;
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-2: #f1eefb;
  --text: #17151d;
  --muted: #696373;
  --border: #ded9e8;
  --purple: #6d28d9;
  --purple-2: #8b5cf6;
  --purple-soft: #ede9fe;
  --green: #137a4b;
  --red: #b42318;
  --shadow: 0 14px 34px rgba(31, 17, 50, .08);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}
[data-theme="dark"] .pi-panel--mlstack{
  color-scheme: dark;
  --bg: #0d0b12;
  --surface: #15121d;
  --surface-2: #1d1828;
  --text: #f7f4fb;
  --muted: #b4acc0;
  --border: #342c42;
  --purple: #a78bfa;
  --purple-2: #8b5cf6;
  --purple-soft: #2b2141;
  --green: #5fd69a;
  --red: #ff8a80;
  --shadow: 0 18px 38px rgba(0, 0, 0, .28);
}
.pi-panel--mlstack,.pi-panel--mlstack *{ box-sizing: border-box; }
.pi-panel--mlstack{ scroll-behavior: smooth; }
.pi-panel--mlstack{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
.pi-panel--mlstack button,.pi-panel--mlstack input,.pi-panel--mlstack select{ font: inherit; }
.pi-panel--mlstack a{ color: inherit; }
.pi-panel--mlstack code{
  padding: .12rem .35rem;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.pi-panel--mlstack .skip-link{
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 1000;
  background: var(--surface);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.pi-panel--mlstack .skip-link:focus{ top: 12px; }
.pi-panel--mlstack .site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
}
.pi-panel--mlstack .nav-shell{
  max-width: var(--max);
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 22px;
}
.pi-panel--mlstack .brand-link{
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.pi-panel--mlstack .nav-links{
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.pi-panel--mlstack .nav-links::-webkit-scrollbar{ display: none; }
.pi-panel--mlstack .nav-links a{
  text-decoration: none;
  color: var(--muted);
  padding: 9px 11px;
  border-radius: 9px;
  white-space: nowrap;
}
.pi-panel--mlstack .nav-links a:hover,.pi-panel--mlstack .nav-links a.active{ color: var(--text); background: var(--surface-2); }
.pi-panel--mlstack .nav-actions{ display: flex; gap: 8px; }
.pi-panel--mlstack main > section{
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 22px 0;
}
.pi-panel--mlstack .hero{ padding-top: 86px; padding-bottom: 10px; }
.pi-panel--mlstack .eyebrow,.pi-panel--mlstack .section-label{
  display: inline-flex;
  align-items: center;
  color: var(--purple);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.pi-panel--mlstack .kicker{ color: var(--muted); margin: 8px 0 12px; }
.pi-panel--mlstack h1,.pi-panel--mlstack h2,.pi-panel--mlstack h3{ line-height: 1.12; letter-spacing: -.025em; }
.pi-panel--mlstack h1{ font-size: clamp(2.7rem, 7vw, 5.6rem); margin: 0; max-width: 880px; }
.pi-panel--mlstack h2{ font-size: clamp(1.8rem, 4vw, 3rem); margin: 8px 0 16px; }
.pi-panel--mlstack h3{ margin: 8px 0 10px; font-size: 1.2rem; }
.pi-panel--mlstack .hero-copy{ max-width: 840px; font-size: 1.17rem; color: var(--muted); }
.pi-panel--mlstack .hero-actions{ display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 18px; }
.pi-panel--mlstack .disclaimer{ max-width: 900px; color: var(--muted); font-size: .92rem; }
.pi-panel--mlstack .button{
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--text);
  background: var(--surface);
  font-weight: 700;
}
.pi-panel--mlstack .button:hover{ transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,.06); }
.pi-panel--mlstack .button:focus-visible,.pi-panel--mlstack a:focus-visible,.pi-panel--mlstack .chip:focus-visible,.pi-panel--mlstack input:focus-visible,.pi-panel--mlstack select:focus-visible{
  outline: 3px solid color-mix(in srgb, var(--purple) 42%, transparent);
  outline-offset: 2px;
}
.pi-panel--mlstack .button-primary{ background: var(--purple); color: #fff; border-color: var(--purple); }
[data-theme="dark"] .pi-panel--mlstack .button-primary{ color: #130b1e; }
.pi-panel--mlstack .button-secondary{ background: var(--surface); }
.pi-panel--mlstack .button-quiet{ background: transparent; box-shadow: none; }
.pi-panel--mlstack .button[disabled]{ opacity: .45; cursor: not-allowed; transform: none; }
.pi-panel--mlstack .metric-grid,.pi-panel--mlstack .domain-grid,.pi-panel--mlstack .practice-grid,.pi-panel--mlstack .scenario-grid,.pi-panel--mlstack .resource-grid,.pi-panel--mlstack .result-domain-grid{
  display: grid;
  gap: 14px;
}
.pi-panel--mlstack .metric-grid{ grid-template-columns: repeat(6, 1fr); }
.pi-panel--mlstack .metric-grid article,.pi-panel--mlstack .domain-card,.pi-panel--mlstack .practice-card,.pi-panel--mlstack .scenario-card,.pi-panel--mlstack .resource-card,.pi-panel--mlstack .guide-card,.pi-panel--mlstack .result-domain{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.pi-panel--mlstack .metric-grid article{ min-height: 116px; box-shadow: none; }
.pi-panel--mlstack .metric-label{ display: block; color: var(--muted); font-size: .82rem; margin-bottom: 8px; }
.pi-panel--mlstack .metric-grid strong{ font-size: 1rem; }
.pi-panel--mlstack .section-copy{ color: var(--muted); max-width: 900px; }
.pi-panel--mlstack .domain-grid{ grid-template-columns: repeat(5, 1fr); margin-top: 22px; }
.pi-panel--mlstack .domain-card{ position: relative; overflow: hidden; box-shadow: none; }
.pi-panel--mlstack .domain-card::before{
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--purple);
}
.pi-panel--mlstack .domain-card .domain-number{ color: var(--purple); font-weight: 800; font-size: .8rem; }
.pi-panel--mlstack .domain-card p{ color: var(--muted); font-size: .92rem; }
.pi-panel--mlstack .domain-tools{ display: flex; flex-wrap: wrap; gap: 6px; }
.pi-panel--mlstack .tool-pill,.pi-panel--mlstack .tag,.pi-panel--mlstack .chip{
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: .78rem;
  font-weight: 700;
}
.pi-panel--mlstack .section-heading-row{ display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.pi-panel--mlstack .filter-group{ display: flex; flex-wrap: wrap; gap: 8px; }
.pi-panel--mlstack .chip{ cursor: pointer; }
.pi-panel--mlstack .chip.active{ background: var(--purple); color: #fff; border-color: var(--purple); }
.pi-panel--mlstack .guide-grid{ display: grid; gap: 14px; margin-top: 24px; }
.pi-panel--mlstack .guide-card{ padding: 0; overflow: hidden; box-shadow: none; }
.pi-panel--mlstack .guide-card summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px;
}
.pi-panel--mlstack .guide-card summary::-webkit-details-marker{ display: none; }
.pi-panel--mlstack .guide-card summary::after{ content: "+"; font-size: 1.4rem; color: var(--purple); }
.pi-panel--mlstack .guide-card[open] summary::after{ content: "-"; }
.pi-panel--mlstack .guide-card[open] summary{ border-bottom: 1px solid var(--border); }
.pi-panel--mlstack .guide-summary{ display: grid; gap: 5px; }
.pi-panel--mlstack .guide-summary span{ color: var(--muted); font-size: .91rem; }
.pi-panel--mlstack .guide-body{ padding: 20px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; }
.pi-panel--mlstack .guide-body h4{ margin: 0 0 8px; }
.pi-panel--mlstack .guide-body ul{ margin: 0; padding-left: 20px; }
.pi-panel--mlstack .guide-body li + li{ margin-top: 6px; }
.pi-panel--mlstack .guide-callout{
  border-left: 3px solid var(--purple);
  background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 16px;
  margin-top: 14px;
}
.pi-panel--mlstack .guide-link{ color: var(--purple); font-weight: 700; text-underline-offset: 3px; }
.pi-panel--mlstack .practice-grid{ grid-template-columns: repeat(3, 1fr); margin-top: 22px; }
.pi-panel--mlstack .practice-card p,.pi-panel--mlstack .scenario-card p,.pi-panel--mlstack .resource-card p{ color: var(--muted); }
.pi-panel--mlstack .scenario-grid{ grid-template-columns: repeat(3, 1fr); margin-top: 22px; }
.pi-panel--mlstack .scenario-card{ box-shadow: none; }
.pi-panel--mlstack .scenario-card ul{ padding-left: 20px; }
.pi-panel--mlstack .resource-grid{ grid-template-columns: repeat(4, 1fr); margin-top: 22px; }
.pi-panel--mlstack .resource-card{ box-shadow: none; }
.pi-panel--mlstack .resource-card a{ color: var(--purple); font-weight: 700; }
.pi-panel--mlstack .integration{ padding-bottom: 70px; }
.pi-panel--mlstack .site-footer{
  max-width: var(--max);
  margin: 70px auto 0;
  border-top: 1px solid var(--border);
  padding: 28px 22px 44px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: .9rem;
}
.pi-panel--mlstack .exam-overlay{
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  overflow: auto;
}
.pi-panel--mlstack .exam-shell{ min-height: 100vh; }
.pi-panel--mlstack .exam-header{
  position: sticky;
  top: 0;
  z-index: 4;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(12px);
  min-height: 80px;
  padding: 14px 24px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.pi-panel--mlstack .exam-header h2{ font-size: 1.2rem; margin: 2px 0 0; }
.pi-panel--mlstack .exam-brand{ color: var(--purple); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.pi-panel--mlstack .exam-status{ display: flex; gap: 24px; }
.pi-panel--mlstack .exam-status div{ display: grid; }
.pi-panel--mlstack .exam-status span{ color: var(--muted); font-size: .75rem; }
.pi-panel--mlstack .exam-progress-track{ height: 4px; background: var(--surface-2); position: sticky; top: 80px; z-index: 4; }
.pi-panel--mlstack .exam-progress-track div{ height: 100%; width: 0; background: var(--purple); transition: width .2s ease; }
.pi-panel--mlstack .exam-content{ max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 84px); }
.pi-panel--mlstack .question-sidebar{ border-right: 1px solid var(--border); padding: 24px 18px; }
.pi-panel--mlstack .sidebar-title{ font-weight: 800; margin-bottom: 12px; }
.pi-panel--mlstack .question-nav-grid{ display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.pi-panel--mlstack .question-nav-grid button{
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: .8rem;
}
.pi-panel--mlstack .question-nav-grid button.current{ outline: 2px solid var(--purple); }
.pi-panel--mlstack .question-nav-grid button.answered{ background: var(--purple-soft); }
.pi-panel--mlstack .question-nav-grid button.flagged{ border-color: var(--purple); box-shadow: inset 0 0 0 1px var(--purple); }
.pi-panel--mlstack .question-panel{ padding: 42px clamp(22px, 6vw, 90px) 60px; max-width: 980px; }
.pi-panel--mlstack .question-meta{ display: flex; align-items: center; gap: 10px; }
.pi-panel--mlstack .muted{ color: var(--muted); }
.pi-panel--mlstack .question-title-row{ display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start; margin-top: 18px; }
.pi-panel--mlstack .question-count{ color: var(--muted); font-size: .9rem; }
.pi-panel--mlstack .question-panel h3{ font-size: clamp(1.35rem, 3vw, 2rem); margin-top: 8px; }
.pi-panel--mlstack .answer-list{ display: grid; gap: 12px; margin: 26px 0; }
.pi-panel--mlstack .answer-option{
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 16px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: start;
  gap: 12px;
  cursor: pointer;
}
.pi-panel--mlstack .answer-option:hover{ border-color: color-mix(in srgb, var(--purple) 50%, var(--border)); }
.pi-panel--mlstack .answer-option.selected{ border-color: var(--purple); background: var(--purple-soft); }
.pi-panel--mlstack .answer-option.correct{ border-color: var(--green); }
.pi-panel--mlstack .answer-option.incorrect{ border-color: var(--red); }
.pi-panel--mlstack .answer-key{
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-weight: 800;
}
.pi-panel--mlstack .feedback-panel{ border: 1px solid var(--border); background: var(--surface-2); padding: 16px; border-radius: 14px; margin-bottom: 18px; }
.pi-panel--mlstack .feedback-panel.correct{ border-color: color-mix(in srgb, var(--green) 60%, var(--border)); }
.pi-panel--mlstack .feedback-panel.incorrect{ border-color: color-mix(in srgb, var(--red) 60%, var(--border)); }
.pi-panel--mlstack .feedback-panel h4{ margin: 0 0 8px; }
.pi-panel--mlstack .question-actions{ display: flex; gap: 10px; flex-wrap: wrap; }
.pi-panel--mlstack .spacer{ flex: 1; }
.pi-panel--mlstack .keyboard-help{ color: var(--muted); font-size: .82rem; margin-top: 18px; }
.pi-panel--mlstack .modal{ border: 0; padding: 0; background: transparent; color: var(--text); width: min(680px, calc(100vw - 28px)); }
.pi-panel--mlstack .modal::backdrop{ background: rgba(9, 5, 16, .58); backdrop-filter: blur(3px); }
.pi-panel--mlstack .modal-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px;
  box-shadow: 0 26px 90px rgba(0,0,0,.24);
  max-height: 90vh;
  overflow: auto;
}
.pi-panel--mlstack .modal-card.wide{ width: min(1050px, calc(100vw - 28px)); }
.pi-panel--mlstack .result-modal{ width: min(1080px, calc(100vw - 28px)); }
.pi-panel--mlstack .modal-close{ position: absolute; right: 16px; top: 14px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 1.25rem; }
.pi-panel--mlstack .check-row,.pi-panel--mlstack .select-row{ display: flex; gap: 10px; align-items: center; margin: 16px 0; }
.pi-panel--mlstack .select-row{ justify-content: space-between; }
.pi-panel--mlstack .select-row select{ border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); padding: 9px 12px; }
.pi-panel--mlstack .modal-actions{ display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.pi-panel--mlstack .progress-score{ font-size: 2.1rem; font-weight: 850; }
.pi-panel--mlstack .progress-row{ display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.pi-panel--mlstack .result-summary-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0 26px; }
.pi-panel--mlstack .result-summary-grid > div{ border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.pi-panel--mlstack .result-summary-grid span{ display: block; color: var(--muted); font-size: .8rem; }
.pi-panel--mlstack .result-summary-grid strong{ font-size: 1.45rem; }
.pi-panel--mlstack .result-domain-grid{ grid-template-columns: repeat(5, 1fr); }
.pi-panel--mlstack .result-domain{ padding: 14px; box-shadow: none; }
.pi-panel--mlstack .review-list{ display: grid; gap: 10px; }
.pi-panel--mlstack .review-item{ border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.pi-panel--mlstack .review-item.correct{ border-left: 4px solid var(--green); }
.pi-panel--mlstack .review-item.incorrect{ border-left: 4px solid var(--red); }
.pi-panel--mlstack .review-item p{ margin: 6px 0; }
@media (max-width: 1050px){.pi-panel--mlstack .metric-grid{ grid-template-columns: repeat(3, 1fr); }
.pi-panel--mlstack .domain-grid{ grid-template-columns: repeat(2, 1fr); }
.pi-panel--mlstack .resource-grid{ grid-template-columns: repeat(2, 1fr); }
.pi-panel--mlstack .result-domain-grid{ grid-template-columns: repeat(2, 1fr); }}
@media (max-width: 820px){.pi-panel--mlstack .nav-shell{ gap: 12px; }
.pi-panel--mlstack .nav-links{ order: 3; flex-basis: 100%; }
.pi-panel--mlstack .nav-shell{ flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.pi-panel--mlstack .nav-actions{ margin-left: auto; }
.pi-panel--mlstack .site-header{ position: relative; }
.pi-panel--mlstack .practice-grid,.pi-panel--mlstack .scenario-grid{ grid-template-columns: 1fr; }
.pi-panel--mlstack .guide-body{ grid-template-columns: 1fr; }
.pi-panel--mlstack .section-heading-row{ align-items: start; flex-direction: column; }
.pi-panel--mlstack .exam-content{ grid-template-columns: 1fr; }
.pi-panel--mlstack .question-sidebar{ display: none; }
.pi-panel--mlstack .exam-header{ grid-template-columns: 1fr auto; }
.pi-panel--mlstack .exam-status{ display: none; }
.pi-panel--mlstack .exam-progress-track{ top: 80px; }
.pi-panel--mlstack .question-panel{ padding-top: 26px; }}
@media (max-width: 560px){.pi-panel--mlstack main > section{ padding-left: 16px; padding-right: 16px; }
.pi-panel--mlstack .hero{ padding-top: 50px; }
.pi-panel--mlstack .metric-grid,.pi-panel--mlstack .domain-grid,.pi-panel--mlstack .resource-grid,.pi-panel--mlstack .result-summary-grid,.pi-panel--mlstack .result-domain-grid{ grid-template-columns: 1fr; }
.pi-panel--mlstack .hero-actions .button{ width: 100%; }
.pi-panel--mlstack .site-footer{ flex-direction: column; }
.pi-panel--mlstack .question-title-row{ grid-template-columns: 1fr; }
.pi-panel--mlstack .question-actions .button{ flex: 1 1 45%; }}
@media (prefers-reduced-motion: reduce){.pi-panel--mlstack,.pi-panel--mlstack *,.pi-panel--mlstack *::before,.pi-panel--mlstack *::after{ scroll-behavior: auto !important; transition: none !important; animation: none !important; }}
/* Quick-reference glossary */
.pi-panel--mlstack .glossary-section{ padding-top: 10px; }
.pi-panel--mlstack .glossary-search{ display: grid; gap: 8px; max-width: 560px; color: var(--muted); font-size: .9rem; margin: 18px 0; }
.pi-panel--mlstack .glossary-search input{ width: 100%; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 12px; padding: 12px 14px; }
.pi-panel--mlstack .glossary-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pi-panel--mlstack .glossary-item{ border: 1px solid var(--border); border-radius: 14px; background: var(--surface); padding: 16px; }
.pi-panel--mlstack .glossary-item strong{ text-transform: none; }
.pi-panel--mlstack .glossary-item p{ color: var(--muted); margin: 8px 0 0; }
@media (max-width: 820px){.pi-panel--mlstack .glossary-grid{ grid-template-columns: 1fr; }}