/* Shared header navigation: inline on desktop, hamburger + overlay on mobile. */

/* One header treatment for every page. Loaded after site.css so it also
   provides the full header styles on Finder/comparison pages that do not load
   site.css. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: 120rem;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid #d9d9ea;
  background: #f7f7ff;
  color: #231651;
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

html[data-theme="dark"] .site-header {
  border-color: #35295e;
  background: #120d26;
  color: #f7f7ff;
}

.site-header .wordmark {
  color: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.site-header .wordmark span {
  color: #5b5578;
}

html[data-theme="dark"] .site-header .wordmark span {
  color: #b9b3d6;
}

.site-header .site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.1rem 1.05rem;
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header .site-nav a {
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  color: #5b5578;
  text-decoration: none;
}

.site-header .site-nav a:hover,
.site-header .site-nav a[aria-current="page"] {
  border-bottom-color: #231651;
  color: #231651;
}

html[data-theme="dark"] .site-header .site-nav a {
  color: #b9b3d6;
}

html[data-theme="dark"] .site-header .site-nav a:hover,
html[data-theme="dark"] .site-header .site-nav a[aria-current="page"] {
  border-bottom-color: #f7f7ff;
  color: #f7f7ff;
}


.dpf-wordmark {
  color: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.dpf-backbar {
  position: sticky;
  top: 0;
  z-index: 60;
}

.site-header .theme-toggle,
.dpf-backbar .theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line, #d9d9ea);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.site-header .theme-toggle svg,
.dpf-backbar .theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
}

html[data-theme="dark"] .site-header .theme-toggle,
html[data-theme="dark"] .dpf-backbar .theme-toggle {
  border-color: #35295e;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line, #d9d9ea);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 1.5px;
  background: currentColor;
  box-shadow: 0 4px 0 currentColor, 0 -4px 0 currentColor;
}

html[data-theme="dark"] .nav-toggle {
  border-color: #35295e;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
  background: rgba(18, 13, 38, 0.5);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

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

.nav-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: min(22rem, 100%);
  height: 100%;
  padding: 1.1rem 1.25rem 2rem;
  overflow-y: auto;
  background: var(--paper, #f7f7ff);
  color: var(--ink, #231651);
  box-shadow: -20px 0 50px rgba(0, 0, 0, 0.3);
}

html[data-theme="dark"] .nav-panel {
  background: #120d26;
  color: #f7f7ff;
}

.nav-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line, #d9d9ea);
}

html[data-theme="dark"] .nav-panel-top {
  border-color: #35295e;
}

.nav-wordmark {
  color: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.nav-wordmark span {
  color: #5b5578;
}

html[data-theme="dark"] .nav-wordmark span {
  color: #b9b3d6;
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line, #d9d9ea);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

html[data-theme="dark"] .nav-close {
  border-color: #35295e;
}

.nav-links {
  display: flex;
  flex-direction: column;
}

.nav-links a {
  padding: 0.8rem 0.25rem;
  border-bottom: 1px solid var(--line, #d9d9ea);
  color: inherit;
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--accent, #314cb6);
}

html[data-theme="dark"] .nav-links a {
  border-color: #35295e;
}

html[data-theme="dark"] .nav-links a:hover {
  color: #8fa4ff;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 899px) {
  .site-header,
  .dpf-backbar {
    display: grid;
    padding: 1rem 1.25rem;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    column-gap: 0.75rem;
    row-gap: 0;
  }

  .site-header .wordmark,
  .dpf-backbar .dpf-wordmark {
    grid-row: 1;
    grid-column: 1;
  }

  .site-header .theme-toggle,
  .dpf-backbar .theme-toggle {
    grid-row: 1;
    grid-column: 2;
    justify-self: end;
  }

  .site-header .nav-toggle,
  .dpf-backbar .nav-toggle {
    display: inline-flex;
    grid-row: 1;
    grid-column: 3;
  }

  .site-header .site-nav,
  .dpf-backbar nav {
    display: none;
  }
}

@media (min-width: 900px) {
  .nav-toggle,
  .nav-overlay {
    display: none !important;
  }
}