/* Unified site header — shared across Practice tests, Blog & EU Knowledge.
   Linked from /guide/*, /eu-knowledge/* and the main app's static pages
   so visitors get the same brand-row, the same nav, the same auth UI
   everywhere. */
.site-header {
  border-bottom: 1px solid var(--line, #d9d2c2);
  background: var(--paper-2, #fffdf7);
}
.site-header-inner {
  max-width: var(--max, 920px);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--eu-blue, #0a3d62);
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.site-brand-logo {
  height: 30px;
  width: auto;
  border-radius: 4px;
}
.site-brand-text em {
  color: var(--gold, #b8902f);
  font-style: italic;
}
.site-nav {
  display: flex;
  gap: 2px;
  margin-right: auto;
  flex-wrap: wrap;
}
.site-nav-link {
  font-family: 'Fraunces', serif;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--ink, #14241f);
  padding: 6px 14px;
  border-radius: 999px;
  transition: background .15s ease, color .15s ease;
}
.site-nav-link:hover {
  background: rgba(20, 86, 160, 0.08);
  color: var(--eu-blue, #0a3d62);
}
.site-nav-link.is-current {
  color: var(--gold, #b8902f);
  font-weight: 600;
}
.site-auth {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.site-auth-btn {
  font-family: 'Fraunces', serif;
  font-size: 0.9rem;
  border: 1px solid var(--line, #d9d2c2);
  background: var(--paper-2, #fffdf7);
  color: var(--eu-blue, #0a3d62);
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.site-auth-btn:hover {
  background: var(--eu-blue, #0a3d62);
  color: var(--paper-2, #fffdf7);
  border-color: var(--eu-blue, #0a3d62);
}
.site-user-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--paper-2, #fffdf7);
  border: 1px solid var(--line, #d9d2c2);
  border-radius: 8px;
  padding: 6px;
  min-width: 160px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 100;
}
.site-user-menu-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--ink, #14241f);
  border-radius: 4px;
  font-family: inherit;
}
.site-user-menu-btn:hover {
  background: rgba(20, 86, 160, 0.08);
}