/* ── Citadel Lab interactive page ── */
/* All classes prefixed .cl- to avoid collisions with theme.css */

:root {
  --cl-caught: #7dcfaf;   /* --accent-3: green = caught/blocked */
  --cl-bypass: #e06c75;   /* red = bypassed */
  --cl-partial: #c87941;  /* --accent: amber = partial */
  --cl-safe: #7ca8d4;     /* --accent-2: blue = safe/no-finding */
  --cl-design: #c4b5a5;   /* --muted: grey = design-only */
  --cl-mono: 'Outfit Variable', ui-monospace, monospace;
}

/* ─── Page shell ─────────────────────────────────── */
.cl-page { overflow-x: hidden; }
.cl-shell { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* ─── Cold open ──────────────────────────────────── */
.cl-cold-open {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(200,121,65,0.07) 0%, transparent 70%);
}

.cl-cold-inner {
  max-width: 700px;
  width: 100%;
}

.cl-cold-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.cl-cold-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 500;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.cl-cold-sub {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* ─── Terminal widget ────────────────────────────── */
.cl-terminal {
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.cl-term-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--line);
}

.cl-term-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.cl-term-dot--red    { background: #ff5f57; }
.cl-term-dot--amber  { background: #febc2e; }
.cl-term-dot--green  { background: #28c840; }

.cl-term-label {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cl-term-body {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 180px;
}

.cl-trace-step {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--cl-mono);
  font-size: 0.9rem;
  animation: cl-fadein 0.4s ease both;
}

@keyframes cl-fadein {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.cl-trace-label {
  color: var(--muted);
  min-width: 10rem;
  flex-shrink: 0;
}

.cl-trace-value { color: var(--ink); }
.cl-trace-aside {
  color: var(--muted);
  font-size: 0.78rem;
  margin-left: auto;
  text-align: right;
}

.cl-trace-verdict {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.cl-trace-verdict-badge {
  font-family: var(--cl-mono);
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-weight: 600;
}

.cl-badge--safe   { background: rgba(224,108,117,0.15); color: var(--cl-bypass); border: 1px solid var(--cl-bypass); }
.cl-badge--caught { background: rgba(125,207,175,0.15); color: var(--cl-caught); border: 1px solid var(--cl-caught); }
.cl-badge--partial{ background: rgba(200,121,65,0.15);  color: var(--cl-partial); border: 1px solid var(--cl-partial); }
.cl-badge--block  { background: rgba(125,207,175,0.15); color: var(--cl-caught); border: 1px solid var(--cl-caught); }
.cl-badge--sketchy{ background: rgba(200,121,65,0.15);  color: var(--cl-partial); border: 1px solid var(--cl-partial); }

/* highlight chars in traces */
.cl-highlight-char {
  color: var(--cl-partial);
  border-bottom: 2px solid var(--cl-partial);
  cursor: help;
}
.cl-char-warn   { color: var(--cl-partial); }
.cl-char-danger { color: var(--cl-bypass); }

.cl-payload { font-family: var(--cl-mono); color: var(--ink); }

.cl-replay-btn {
  display: block;
  margin: 0.5rem 1.5rem 1rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-family: var(--cl-mono);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.cl-replay-btn:hover { color: var(--ink); border-color: var(--muted); }

.cl-cold-scroll-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  animation: cl-bounce 2s ease-in-out infinite;
}
@keyframes cl-bounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ─── Setup section ──────────────────────────────── */
.cl-setup {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.cl-section-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.cl-setup-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
}

.cl-setup-prose p { color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }

.cl-setup-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.cl-fact-card {
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cl-fact-num {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}

.cl-fact-label {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.3;
}

/* ─── Timeline layout ────────────────────────────── */
.cl-timeline-section {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.cl-timeline-layout {
  display: grid;
  grid-template-columns: 80px 1fr;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  gap: 2rem;
}

/* Sticky version rail */
.cl-version-rail {
  position: sticky;
  top: 80px;
  align-self: start;
  height: calc(100vh - 120px);
}

.cl-rail-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

.cl-rail-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.cl-rail-dot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0;
  color: var(--muted);
  font-size: 0.75rem;
  transition: color 0.2s;
}

.cl-rail-dot-pip {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid currentColor;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.2s;
}

.cl-rail-dot[aria-current="true"] {
  color: var(--accent);
}
.cl-rail-dot[aria-current="true"] .cl-rail-dot-pip {
  background: var(--accent);
  transform: scale(1.3);
}
.cl-rail-dot:hover { color: var(--ink); }

/* ─── Version cards ──────────────────────────────── */
.cl-cards {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.cl-card {
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
  scroll-margin-top: 80px;
  transition: border-color 0.3s;
}

.cl-card:target,
.cl-card.cl-card--active {
  border-color: var(--accent);
}

.cl-card--design-only { opacity: 0.8; }
.cl-card--v9 { border-color: rgba(125,207,175,0.3); }

.cl-card-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.cl-card-version {
  font-family: var(--cl-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(200,121,65,0.1);
  border: 1px solid rgba(200,121,65,0.3);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  letter-spacing: 0.05em;
}

.cl-card-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  margin: 0;
}

.cl-card-tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  margin-left: auto;
}

.cl-tag--broke  { color: var(--cl-bypass);  background: rgba(224,108,117,0.1); border-color: rgba(224,108,117,0.3); }
.cl-tag--design { color: var(--cl-design);  background: rgba(196,181,165,0.1); border-color: rgba(196,181,165,0.3); }
.cl-tag--phase1 { color: var(--cl-caught);  background: rgba(125,207,175,0.1); border-color: rgba(125,207,175,0.3); }

.cl-card-body { color: var(--muted); line-height: 1.7; margin-bottom: 0.75rem; }
.cl-card-body code { font-family: var(--cl-mono); font-size: 0.85em; color: var(--ink); background: rgba(255,255,255,0.05); padding: 0.1em 0.35em; border-radius: 3px; }

.cl-card-expand {
  margin-top: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}
.cl-card-expand summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  user-select: none;
}
.cl-card-expand summary:hover { color: var(--ink); }
.cl-card-expand p { color: var(--muted); line-height: 1.7; margin-top: 0.75rem; font-size: 0.9rem; }

/* ─── SVG diagrams ───────────────────────────────── */
.cl-card-diagram { margin-bottom: 1.25rem; }
.cl-diag { width: 100%; max-width: 320px; height: auto; display: block; }

.cl-diag-input  { fill: rgba(124,168,212,0.15); stroke: rgba(124,168,212,0.4); stroke-width: 1; }
.cl-diag-proc   { fill: rgba(200,121,65,0.12);  stroke: rgba(200,121,65,0.4);  stroke-width: 1; }
.cl-diag-view   { fill: rgba(200,121,65,0.08);  stroke: rgba(200,121,65,0.25); stroke-width: 1; }
.cl-diag-view--key { fill: rgba(200,121,65,0.2); stroke: rgba(200,121,65,0.5); }
.cl-diag-safe   { fill: rgba(125,207,175,0.12); stroke: rgba(125,207,175,0.4); stroke-width: 1; }
.cl-diag-agent  { fill: rgba(240,232,220,0.05); stroke: rgba(240,232,220,0.2); stroke-width: 1; }
.cl-diag-danger { fill: rgba(224,108,117,0.12); stroke: rgba(224,108,117,0.4); stroke-width: 1; }

.cl-diag-text    { font-family: var(--cl-mono); font-size: 7px; fill: var(--ink); text-anchor: middle; dominant-baseline: middle; }
.cl-diag-text--sm{ font-size: 5.5px; fill: var(--muted); }
.cl-diag-text--xs{ font-size: 4.5px; fill: var(--muted); }

.cl-diag-arrow    { stroke: var(--muted); stroke-width: 1; fill: none; marker-end: url(#arr); }
.cl-diag-arrow-sm { stroke: var(--muted); stroke-width: 0.75; fill: none; opacity: 0.6; }
.cl-arrow-danger  { stroke: var(--cl-bypass); opacity: 0.7; }

/* ─── Attack Replay Widget ───────────────────────── */
.cl-widget-anchor {
  background: rgba(200,121,65,0.04);
  border: 1px solid rgba(200,121,65,0.2);
  border-radius: 16px;
  padding: 2rem;
}

.cl-widget-header { margin-bottom: 1.5rem; }
.cl-widget-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.cl-widget-desc { color: var(--muted); font-size: 0.9rem; }

.cl-replay { display: flex; flex-direction: column; gap: 1.25rem; }

.cl-replay-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cl-replay-label { font-size: 0.85rem; color: var(--muted); }

.cl-replay-select {
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--cl-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  min-width: 260px;
}
.cl-replay-select:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

.cl-replay-category {
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cl-replay-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

.cl-replay-payload-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.cl-replay-payload-label { font-size: 0.8rem; color: var(--muted); flex-shrink: 0; }
.cl-replay-payload {
  font-family: var(--cl-mono);
  font-size: 0.9rem;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  word-break: break-all;
}

.cl-replay-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Views panel */
.cl-views-title,
.cl-results-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.cl-views-grid {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cl-view-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.5rem;
  align-items: baseline;
  font-family: var(--cl-mono);
  font-size: 0.78rem;
}

.cl-view-name {
  color: var(--accent);
  font-size: 0.72rem;
  white-space: nowrap;
}

.cl-view-value {
  color: var(--ink);
  background: rgba(255,255,255,0.03);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  border: 1px solid var(--line);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  cursor: default;
  title: attr(title);
}

.cl-view-row--changed .cl-view-name  { color: var(--cl-partial); }
.cl-view-row--changed .cl-view-value { border-color: rgba(200,121,65,0.3); background: rgba(200,121,65,0.05); }

/* Results panel */
.cl-results-list { display: flex; flex-direction: column; gap: 0.6rem; }

.cl-result-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
}

.cl-result-version {
  font-family: var(--cl-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.cl-result-bar-wrap {
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  height: 6px;
  overflow: hidden;
}

.cl-result-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}

.cl-result-bar--safe    { background: var(--cl-safe); }
.cl-result-bar--caught  { background: var(--cl-caught); }
.cl-result-bar--partial { background: var(--cl-partial); }
.cl-result-bar--bypass  { background: var(--cl-bypass); }

.cl-result-badge { font-family: var(--cl-mono); font-size: 0.72rem; white-space: nowrap; }
.cl-result-badge--safe    { color: var(--cl-bypass); }
.cl-result-badge--caught  { color: var(--cl-caught); }
.cl-result-badge--partial { color: var(--cl-partial); }
.cl-result-badge--block   { color: var(--cl-caught); }
.cl-result-badge--sketchy { color: var(--cl-partial); }

.cl-result-findings {
  grid-column: 2 / -1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.1rem;
}

.cl-finding {
  font-family: var(--cl-mono);
  font-size: 0.7rem;
  color: var(--muted);
  padding: 0.15rem 0.35rem;
  background: rgba(255,255,255,0.03);
  border-radius: 3px;
  border-left: 2px solid var(--cl-partial);
}

/* Alternate payload toggle */
.cl-alternate-row {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.cl-alternate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cl-alternate-label { font-size: 0.82rem; color: var(--muted); }

.cl-alt-toggle {
  font-size: 0.78rem;
  font-family: var(--cl-mono);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.cl-alt-toggle:hover,
.cl-alt-toggle[aria-pressed="true"] { color: var(--ink); border-color: var(--muted); }

.cl-alternate-body { margin-top: 1rem; }

/* ─── Pivot section ──────────────────────────────── */
.cl-pivot {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.cl-pivot-intro,
.cl-pivot-outro {
  color: var(--muted);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 2.5rem;
}
.cl-pivot-outro { margin-top: 2.5rem; margin-bottom: 0; }

.cl-pivot-diagrams {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cl-pivot-diagram {
  flex: 1;
  min-width: 260px;
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
}

.cl-pivot-diagram-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.cl-pivot-svg { width: 100%; height: auto; }

.cl-pivot-arrow {
  flex-shrink: 0;
  color: var(--accent);
}

.cl-pivot-after { border-color: rgba(125,207,175,0.3); }

/* ─── Matrix section ─────────────────────────────── */
.cl-matrix-section {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.cl-matrix-intro {
  color: var(--muted);
  margin-bottom: 2rem;
}

.cl-matrix-scroll { overflow-x: auto; }

.cl-matrix {
  border-collapse: separate;
  border-spacing: 3px;
  font-size: 0.75rem;
  min-width: 600px;
}

.cl-matrix th {
  font-family: var(--cl-mono);
  font-size: 0.68rem;
  color: var(--muted);
  padding: 0.35rem 0.5rem;
  text-align: center;
  font-weight: 400;
  white-space: nowrap;
}

.cl-matrix th:first-child { text-align: left; min-width: 200px; }

.cl-matrix td {
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  text-align: center;
  white-space: nowrap;
  font-family: var(--cl-mono);
  font-size: 0.68rem;
  cursor: default;
}

.cl-matrix td:first-child {
  text-align: left;
  color: var(--ink);
  cursor: default;
  background: transparent;
  font-size: 0.78rem;
}

.cl-matrix td[data-result] { cursor: pointer; }
.cl-matrix td[data-result]:hover { filter: brightness(1.3); }
.cl-matrix td[data-result]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.cl-cell--caught  { background: rgba(125,207,175,0.2); color: var(--cl-caught); }
.cl-cell--bypass  { background: rgba(224,108,117,0.2); color: var(--cl-bypass); }
.cl-cell--partial { background: rgba(200,121,65,0.2);  color: var(--cl-partial); }
.cl-cell--na      { background: rgba(255,255,255,0.03); color: var(--muted); }
.cl-cell--design  { background: transparent; color: var(--muted); font-style: italic; }

/* ─── Lab footer ─────────────────────────────────── */
.cl-lab-footer {
  padding: 3rem 0 5rem;
  border-top: 1px solid var(--line);
}

.cl-lab-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cl-eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.cl-muted { color: var(--muted); font-size: 0.85rem; line-height: 1.6; }
.cl-ext-link { color: var(--accent); text-decoration: none; }
.cl-ext-link:hover { text-decoration: underline; }

/* ─── Modal ──────────────────────────────────────── */
.cl-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9,7,5,0.85);
  backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.cl-modal-overlay[hidden] { display: none; }

.cl-modal {
  background: var(--bg-strong);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
  max-width: 560px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.cl-modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}
.cl-modal-close:hover { color: var(--ink); }

.cl-modal-body h3 { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; margin-bottom: 0.75rem; }
.cl-modal-body p  { color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin-bottom: 0.75rem; }
.cl-modal-body pre {
  font-family: var(--cl-mono);
  font-size: 0.8rem;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .cl-setup-grid { grid-template-columns: 1fr; }
  .cl-setup-facts { grid-template-columns: repeat(4, 1fr); }
  .cl-timeline-layout { grid-template-columns: 1fr; padding: 0 1rem; }
  .cl-version-rail {
    position: static;
    height: auto;
    overflow-x: auto;
  }
  .cl-rail-inner { flex-direction: row; padding: 0.5rem 0; }
  .cl-rail-dot-label { display: none; }
  .cl-replay-body { grid-template-columns: 1fr; }
  .cl-pivot-diagrams { flex-direction: column; }
  .cl-pivot-arrow { transform: rotate(90deg); }
  .cl-lab-footer-grid { grid-template-columns: 1fr; }
  .cl-trace-aside { display: none; }
}

@media (max-width: 500px) {
  .cl-setup-facts { grid-template-columns: 1fr 1fr; }
  .cl-cold-headline { font-size: 2.4rem; }
  .cl-matrix-section .cl-shell { padding: 0 1rem; }
}