/* Shared CleverlyAI header identity */
:root {
  --cleverly-header-height: 72px;
  --cleverly-header-max: 1120px;
  --cleverly-header-pad: clamp(16px, 4vw, 24px);
}

.site-header,
.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--cleverly-header-height);
  background: linear-gradient(
    to bottom,
    rgba(238, 245, 255, 0.97),
    rgba(229, 237, 255, 0.9)
  ) !important;
  border-bottom: 1px solid rgba(148, 163, 184, 0.26) !important;
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header > .header-inner,
.site-header .header-inner {
  min-height: var(--cleverly-header-height) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  align-items: center !important;
}

.topbar {
  min-height: var(--cleverly-header-height);
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  padding-left: max(var(--cleverly-header-pad), calc((100vw - var(--cleverly-header-max)) / 2)) !important;
  padding-right: max(var(--cleverly-header-pad), calc((100vw - var(--cleverly-header-max)) / 2)) !important;
  align-items: center;
}

.page-login .site-header {
  display: flex;
  align-items: center;
  padding: 0 max(var(--cleverly-header-pad), calc((100vw - var(--cleverly-header-max)) / 2)) !important;
}

.site-header .brand,
.topbar .brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.7rem !important;
  color: #0f172a !important;
  text-decoration: none !important;
  line-height: 1 !important;
}

.site-header .brand-logo,
.site-header .brand-logo.big,
.site-header .brand > img,
.topbar .brand-logo,
.topbar .brand > img {
  width: 42px !important;
  height: 50px !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block !important;
  object-fit: contain !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  filter: drop-shadow(0 7px 12px rgba(37, 99, 235, 0.18)) !important;
}

.site-header .brand-text {
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  line-height: 1 !important;
}

.site-header .brand-name,
.site-header .brand > .brand-name,
.topbar .brand-name {
  margin: 0 !important;
  color: #0f172a !important;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif !important;
  font-size: 1.2rem !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  line-height: 1 !important;
  white-space: nowrap;
}

.site-header .brand-tag {
  display: none !important;
}

.topbar .nav-link {
  color: #526175 !important;
}

.topbar .nav-link:hover {
  color: #0f172a !important;
  background: rgba(37, 99, 235, 0.06) !important;
}

.topbar .nav-link.active {
  color: #1d4ed8 !important;
}

.topbar .nav-toggle {
  border-color: rgba(59, 130, 246, 0.22) !important;
  background: rgba(255, 255, 255, 0.72) !important;
}

.topbar .nav-toggle span {
  background: #334155 !important;
}

@media (max-width: 720px) {
  :root {
    --cleverly-header-height: 64px;
  }

  .site-header .brand-logo,
  .site-header .brand-logo.big,
  .site-header .brand > img,
  .topbar .brand-logo,
  .topbar .brand > img {
    width: 36px !important;
    height: 44px !important;
  }

  .site-header .brand-name,
  .site-header .brand > .brand-name,
  .topbar .brand-name {
    font-size: 1.08rem !important;
  }
}

/* =========================================================
   Cross-page navigation transitions (View Transitions API)
   Chromium browsers animate full page swaps between any two
   documents that both opt in via this @view-transition rule.
   Unsupported browsers silently ignore it (plain navigation).
   ========================================================= */
@view-transition {
  navigation: auto;
}

::view-transition-group(root) {
  animation-duration: 360ms;
  animation-timing-function: cubic-bezier(.2, .8, .2, 1);
}

::view-transition-old(root) {
  animation-name: cleverly-page-out;
}

::view-transition-new(root) {
  animation-name: cleverly-page-in;
}

@keyframes cleverly-page-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(-10px) scale(0.99); }
}

@keyframes cleverly-page-in {
  from { opacity: 0; transform: translateY(10px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(root),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none !important;
  }
}