/* PerpMetric methodology shell — HOME-E5-aligned, article content preserved. */

body.methodology-unified {
  --pm-bg: #071317;
  --pm-surface: #08171b;
  --pm-surface-2: #0a1a1f;
  --pm-surface-3: #0e2025;
  --pm-line: #1d343a;
  --pm-line-strong: #2b474e;
  --pm-text: #eef3f5;
  --pm-muted: #8fa5ad;
  --pm-teal: #65e9cb;
  --pm-aster: #efb760;
  --pm-lighter: #8392b7;
  --pm-lighter-accent: #a8b2d6;
  --pm-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

body.methodology-unified .shell {
  width: min(1560px, calc(100% - 32px));
  max-width: 1560px;
  margin-inline: auto;
}

body.methodology-unified .site-header {
  min-height: 58px;
  display: grid;
  grid-template-columns: 205px minmax(360px, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 0 18px;
  border-bottom: 1px solid var(--pm-line);
  background: color-mix(in srgb, var(--pm-bg) 96%, transparent);
  backdrop-filter: blur(10px);
}

body.methodology-unified .wordmark {
  display: flex;
  align-items: center;
  width: 198px;
  height: 28px;
  overflow: hidden;
  text-decoration: none;
}

body.methodology-unified .wordmark img {
  display: block;
  width: 192px;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .96;
}

body.methodology-unified .primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  min-width: 0;
}

body.methodology-unified .primary-nav a,
body.methodology-unified .header-actions,
body.methodology-unified .theme-control button {
  font-family: var(--pm-mono);
  font-size: 10px;
  letter-spacing: .025em;
}

body.methodology-unified .primary-nav a {
  position: relative;
  padding: 20px 0 18px;
  color: var(--pm-muted);
  text-decoration: none;
  white-space: nowrap;
}

body.methodology-unified .primary-nav a:hover,
body.methodology-unified .primary-nav a:focus-visible,
body.methodology-unified .primary-nav a[aria-current="page"] {
  color: var(--pm-text);
}

body.methodology-unified .primary-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  height: 1px;
  background: var(--pm-teal);
}

body.methodology-unified .header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

body.methodology-unified .venue-chip {
  height: 32px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--pm-line-strong);
  border-radius: 3px;
  background: color-mix(in srgb, var(--pm-surface) 88%, transparent);
  color: var(--pm-text);
  text-decoration: none;
  white-space: nowrap;
  font-weight: 700;
}

body.methodology-unified .venue-chip.hl {
  border-color: color-mix(in srgb, var(--pm-teal) 55%, var(--pm-line));
}

body.methodology-unified .venue-chip.ast {
  border-color: color-mix(in srgb, var(--pm-aster) 55%, var(--pm-line));
}

body.methodology-unified .venue-chip.lit {
  border-color: color-mix(in srgb, var(--pm-lighter) 50%, var(--pm-line));
  color: var(--pm-muted);
}

body.methodology-unified .chip-logo {
  width: 17px;
  height: 17px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  overflow: hidden;
}

body.methodology-unified .chip-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

body.methodology-unified .venue-chip.ast .chip-logo img {
  max-width: 18px;
  max-height: 18px;
}

body.methodology-unified .lighter-chip-logo {
  position: relative;
  contain: paint;
  line-height: 0;
}

body.methodology-unified .lighter-chip-logo img {
  position: absolute;
  inset: 0;
  max-width: 100%;
  max-height: 100%;
}

body.methodology-unified .lighter-logo-light {
  display: none;
}

body.methodology-unified .venue-chip em {
  padding: 2px 4px;
  border: 1px solid color-mix(in srgb, var(--pm-lighter-accent) 42%, var(--pm-line));
  border-radius: 2px;
  color: var(--pm-lighter-accent);
  font-size: 7px;
  font-style: normal;
}

body.methodology-unified .theme-control {
  height: 30px;
  margin-left: 2px;
  padding: 2px;
  display: flex;
  align-items: center;
  border: 1px solid var(--pm-line);
  border-radius: 2px;
  background: transparent;
}

body.methodology-unified .theme-control button {
  height: 24px;
  padding: 0 7px;
  border: 0;
  background: transparent;
  color: var(--pm-muted);
  cursor: pointer;
}

body.methodology-unified .theme-control button.is-active {
  background: var(--pm-surface-3);
  color: var(--pm-text);
}

body.methodology-unified .article,
body.methodology-unified .article section,
body.methodology-unified .side,
body.methodology-unified .sources,
body.methodology-unified .cta {
  border-radius: 3px;
}

html[data-theme="light"] body.methodology-unified {
  --pm-bg: #f2f6f7;
  --pm-surface: #ffffff;
  --pm-surface-2: #f6f8f9;
  --pm-surface-3: #eaf0f2;
  --pm-line: #d8e2e5;
  --pm-line-strong: #c3d0d4;
  --pm-text: #13262c;
  --pm-muted: #667b83;
  --pm-teal: #0b9b80;
  --pm-aster: #b67917;
  --pm-lighter: #7782a5;
  --pm-lighter-accent: #697493;
  --bg: #f2f6f7;
  --panel: #ffffff;
  --card: #ffffff;
  --surface: #ffffff;
  --text: #13262c;
  --soft: #667b83;
  --muted: #7c9097;
  --line: #d8e2e5;
  --mint: #0b9b80;
}

html[data-theme="light"] body.methodology-unified .wordmark img {
  filter: brightness(0);
  opacity: .94;
}

html[data-theme="light"] body.methodology-unified .site-header {
  background: color-mix(in srgb, #ffffff 96%, transparent);
}

html[data-theme="light"] body.methodology-unified .lighter-logo-midnight {
  display: none;
}

html[data-theme="light"] body.methodology-unified .lighter-logo-light {
  display: block;
}

html[data-theme="light"] body.methodology-unified .theme-control button.is-active {
  background: #eaf0f2;
  color: #13262c;
}

@media (max-width: 1180px) {
  body.methodology-unified .site-header {
    grid-template-columns: 190px 1fr;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  body.methodology-unified .primary-nav {
    justify-content: flex-end;
    gap: 20px;
  }

  body.methodology-unified .header-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  body.methodology-unified .shell {
    width: min(100% - 20px, 1560px);
  }

  body.methodology-unified .site-header {
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
  }

  body.methodology-unified .primary-nav {
    justify-content: flex-start;
    gap: 15px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  body.methodology-unified .primary-nav a {
    padding: 7px 0 9px;
  }

  body.methodology-unified .primary-nav a[aria-current="page"]::after {
    bottom: 4px;
  }

  body.methodology-unified .header-actions {
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  body.methodology-unified .wordmark {
    width: 166px;
  }

  body.methodology-unified .wordmark img {
    width: 160px;
  }
}