/* CCPT article — scoped styles for blog/ccpt-protected-safety-control-plane.html */

.ccpt-article {
  --ccpt-font-ui: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ccpt-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --ccpt-bg-card: #ffffff;
  --ccpt-bg-inset: #f5f5f4;
  --ccpt-bg-subtle: var(--bg);

  --ccpt-color-ccpt: #57534e;
  --ccpt-color-ccpt-light: #e7e5e4;
  --ccpt-color-adapter: #78716c;
  --ccpt-color-success: #166534;
  --ccpt-color-success-light: #ecfdf5;
  --ccpt-color-danger: #991b1b;
  --ccpt-color-danger-light: #fef2f2;
  --ccpt-color-warning: #92400e;
  --ccpt-color-warning-light: #fffbeb;

  --ccpt-interactive-max: 920px;
  --ccpt-radius-sm: 4px;
  --ccpt-radius-md: 6px;
  --ccpt-radius-lg: 8px;
}

.ccpt-article .article-deck {
  font-size: 1.05rem;
  color: var(--muted);
  margin: -0.75rem 0 2rem;
  line-height: 1.5;
}

.ccpt-article h2 {
  font-size: 1.1rem;
  font-weight: normal;
  margin: 2.5rem 0 1rem;
  color: var(--text);
}

.ccpt-article h3 {
  font-size: 1rem;
  font-weight: normal;
  margin: 2rem 0 0.75rem;
  color: var(--text);
}

.ccpt-article ul,
.ccpt-article ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.ccpt-article li {
  margin-bottom: 0.5rem;
}

.ccpt-article code {
  font-family: var(--ccpt-font-mono);
  font-size: 0.88em;
  background: var(--ccpt-bg-inset);
  padding: 0.1em 0.35em;
  border-radius: var(--ccpt-radius-sm);
  border: 1px solid var(--border);
}

.ccpt-article .ccpt-callout {
  background: var(--ccpt-bg-card);
  border-left: 3px solid var(--accent);
  padding: 0.85rem 1rem;
  margin: 1.25rem 0;
  border: 1px solid var(--border);
  border-left-width: 3px;
}

.ccpt-equation {
  text-align: center;
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem;
  background: var(--ccpt-bg-card);
  border: 1px solid var(--border);
  overflow-x: auto;
}

.ccpt-equation .eq {
  display: inline-block;
  font-family: "Times New Roman", Times, Georgia, serif;
  font-size: 1.2rem;
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.6;
}

.ccpt-equation .eq .op,
.ccpt-equation .eq .fn {
  font-style: normal;
}

.ccpt-equation-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
  font-style: normal;
}

.ccpt-article .var {
  font-family: "Times New Roman", Times, Georgia, serif;
  font-style: italic;
}

.ccpt-article .var sub {
  font-size: 0.75em;
  font-style: normal;
}

.ccpt-equation .eq sub {
  font-size: 0.72em;
  font-style: normal;
  vertical-align: baseline;
  position: relative;
  bottom: -0.12em;
}

.ccpt-equation-note .var {
  font-family: "Times New Roman", Times, Georgia, serif;
  font-style: italic;
}

.ccpt-equation-note .var sub {
  font-size: 0.75em;
  font-style: normal;
}

.ccpt-article .ccpt-callout p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.ccpt-article .ccpt-note {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* Figure breakout from narrow prose column */
.ccpt-article .ccpt-figure-breakout {
  width: min(var(--ccpt-interactive-max), calc(100vw - 2.5rem));
  margin: 2rem auto;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.ccpt-interactive-card {
  background: var(--ccpt-bg-card);
  border: 1px solid var(--border);
  border-radius: var(--ccpt-radius-lg);
  padding: 1.25rem;
  font-family: var(--ccpt-font-ui);
}

.ccpt-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.ccpt-card-title-group h4 {
  font-family: var(--ccpt-font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: var(--text);
}

.ccpt-card-title-group p {
  font-family: var(--ccpt-font-ui);
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

.ccpt-segmented-control {
  display: inline-flex;
  flex-wrap: wrap;
  background: var(--ccpt-bg-inset);
  padding: 3px;
  border-radius: var(--ccpt-radius-md);
  border: 1px solid var(--border);
  gap: 2px;
}

.ccpt-btn {
  background: transparent;
  border: none;
  font-family: var(--ccpt-font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0.4rem 0.65rem;
  border-radius: var(--ccpt-radius-sm);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
  min-height: 2rem;
}

.ccpt-btn:hover {
  color: var(--text);
}

.ccpt-btn.active {
  background: var(--ccpt-bg-card);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.ccpt-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ccpt-chart-stage {
  width: 100%;
  min-height: 320px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
}

.ccpt-chart-stage svg {
  width: 100%;
  height: auto;
  max-height: 440px;
  min-width: 280px;
}

.ccpt-data-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.ccpt-stat-box {
  background: var(--ccpt-bg-inset);
  padding: 0.65rem 0.85rem;
  border-radius: var(--ccpt-radius-md);
  border: 1px solid var(--border);
}

.ccpt-stat-label {
  font-family: var(--ccpt-font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.ccpt-stat-value {
  font-family: var(--ccpt-font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.ccpt-stat-value.pos {
  color: var(--ccpt-color-success);
}

.ccpt-stat-value.neg {
  color: var(--ccpt-color-danger);
}

.ccpt-stat-sub {
  font-family: var(--ccpt-font-ui);
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.15rem;
  line-height: 1.4;
}

.ccpt-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--ccpt-radius-md);
  background: var(--ccpt-bg-card);
  -webkit-overflow-scrolling: touch;
}

.ccpt-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--ccpt-font-ui);
  font-size: 0.75rem;
  text-align: left;
}

.ccpt-table th {
  background: var(--ccpt-bg-inset);
  padding: 0.55rem 0.75rem;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ccpt-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

.ccpt-table tr:last-child td {
  border-bottom: none;
}

.ccpt-fallback-wrapper {
  display: block;
  width: 100%;
}

.ccpt-fallback-wrapper img {
  width: 100%;
  height: auto;
  border-radius: var(--ccpt-radius-md);
}

.ccpt-article .ccpt-seed-summary {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.ccpt-article .ccpt-seed-summary .positive {
  color: var(--ccpt-color-success);
}

.ccpt-article .ccpt-seed-summary .negative {
  color: var(--ccpt-color-danger);
}

@media (max-width: 768px) {
  .ccpt-article .ccpt-figure-breakout {
    width: 100%;
    left: auto;
    transform: none;
  }

  .ccpt-card-header {
    flex-direction: column;
  }

  .ccpt-segmented-control {
    width: 100%;
  }

  .ccpt-btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .ccpt-chart-stage {
    min-height: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ccpt-btn {
    transition: none;
  }
}