/* Phase 4 — branded top bar + visual consistency with opencomplai.com */

/* Load Inter font (same as marketing site) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Brand tokens ────────────────────────────────────────────────── */
:root {
  --color-midnight:      #21283B;
  --color-electric-blue: #3B5BEB;
  --color-primary-dark:  #2d46c7;
  --color-success-green: #12D463;
  --color-cool-gray:     #F1F4F8;
  --color-fg-muted:      #5a6478;
  --color-border:        #e2e6ed;
  --font-sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --oc-topbar-height: 64px;
}

/* ── Override Material palette with brand colors ─────────────────── */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #3B5BEB;
  --md-primary-fg-color--light: #5c78f0;
  --md-primary-fg-color--dark:  #2d46c7;
  --md-accent-fg-color:         #12D463;
  --md-typeset-a-color:         #3B5BEB;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color:        #3B5BEB;
  --md-primary-fg-color--light: #5c78f0;
  --md-primary-fg-color--dark:  #2d46c7;
  --md-accent-fg-color:         #12D463;
  --md-typeset-a-color:         #5c78f0;
}

/* ── Inter font across the docs ──────────────────────────────────── */
body,
.md-typeset {
  font-family: var(--font-sans);
}

/* ── Branded top bar ─────────────────────────────────────────────── */
.oc-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

[data-md-color-scheme="slate"] .oc-topbar {
  background: rgba(30, 30, 38, 0.92);
  border-bottom-color: rgba(255,255,255,0.08);
}

.oc-topbar__inner {
  display: flex;
  align-items: center;
  height: var(--oc-topbar-height);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  gap: 2rem;
}

/* Logo */
.oc-topbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.oc-logo--dark  { display: none; }
.oc-logo--light { display: block; }

[data-md-color-scheme="slate"] .oc-logo--light { display: none; }
[data-md-color-scheme="slate"] .oc-logo--dark  { display: block; }

/* Nav links */
.oc-topbar__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
}

.oc-topbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-fg-muted);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
}

.oc-topbar__link:hover {
  color: var(--color-midnight);
}

[data-md-color-scheme="slate"] .oc-topbar__link { color: rgba(255,255,255,0.65); }
[data-md-color-scheme="slate"] .oc-topbar__link:hover { color: #fff; }

.oc-topbar__link--active {
  color: var(--color-electric-blue) !important;
  font-weight: 600;
}

/* Actions (back link + CTA) */
.oc-topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.oc-topbar__back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-fg-muted);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
}

.oc-topbar__back:hover { color: var(--color-midnight); }

[data-md-color-scheme="slate"] .oc-topbar__back { color: rgba(255,255,255,0.5); }
[data-md-color-scheme="slate"] .oc-topbar__back:hover { color: #fff; }

/* Hide back link on desktop where the logo already links home */
@media (min-width: 960px) {
  .oc-topbar__back { display: none; }
}

.oc-topbar__cta {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: var(--color-electric-blue);
  color: #fff !important;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
  white-space: nowrap;
}

.oc-topbar__cta:hover {
  background: var(--color-primary-dark);
}

/* Hide the built-in Material logo from the sub-header since oc-topbar has it */
.md-header .md-logo { display: none; }

/* ── Search: ensure modal renders above the sticky topbar ───────── */
.md-search__form,
.md-search__output,
[data-md-toggle="search"]:checked ~ .md-header .md-search__inner {
  z-index: 20;
}

/* ── Footer: prevent overlap with page content ───────────────────── */
.md-main {
  padding-bottom: 4rem;
}

.md-footer {
  position: relative;
  z-index: 5;
  margin-top: 3rem;
  clear: both;
}

/* ── Sidebars: account for the custom topbar in sticky scroll math ─ */
@media (min-width: 960px) {
  .md-sidebar {
    top: calc(var(--md-header-height, 2.4rem) + var(--oc-topbar-height));
  }

  .md-sidebar__scrollwrap {
    max-height: calc(100vh - var(--md-header-height, 2.4rem) - var(--oc-topbar-height) - 1.5rem);
    padding-bottom: 2rem;
  }
}

/* ── Responsive: collapse nav links on mobile ────────────────────── */
@media (max-width: 959px) {
  .oc-topbar__nav { display: none; }
  .oc-topbar__back { display: inline-flex; }
}