.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 76px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
}

.navbar-light {
  --bs-navbar-color: var(--muted);
  --bs-navbar-hover-color: var(--text);
  --bs-navbar-active-color: var(--text);
  --bs-navbar-brand-color: var(--text);
  --bs-navbar-brand-hover-color: var(--text);
  --bs-navbar-toggler-border-color: rgba(23, 32, 51, 0.16);
}

.header-content {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.brand:hover {
  transform: translateY(-1px);
}

.brand-logo {
  width: 60px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(23, 32, 51, 0.09);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.brand:hover .brand-logo {
  border-color: rgba(29, 78, 216, 0.28);
  box-shadow: 0 14px 34px rgba(29, 78, 216, 0.14);
}

.brand-logo img {
  width: 54px;
  height: 42px;
  object-fit: contain;
}

.brand-fallback {
  display: none;
  width: 100%;
  height: 100%;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
}

.brand-text {
  font-size: 1.18rem;
  font-weight: 800;
}

.main-nav {
  margin-left: auto;
}

.nav-link,
.login-link,
.nav-user {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
}

.nav-user {
  min-height: 38px;
  margin-left: 0;
  padding: 0 12px;
  border: 1px solid rgba(23, 32, 51, 0.1);
  color: var(--text);
  background: #ffffff;
  font-size: 0.84rem;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(23, 32, 51, 0.07);
}

.nav-account-actions,
.nav-account-icons {
  display: inline-flex;
  align-items: center;
}

.nav-account-actions {
  gap: 8px;
  margin-left: 8px;
}

.nav-account-icons {
  gap: 6px;
}

.nav-badge {
  min-width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
}

.nav-icon-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  margin-left: 0;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.24);
}

.nav-icon-link {
  position: relative;
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  color: var(--text);
  border: 1px solid rgba(23, 32, 51, 0.1);
  background: #ffffff;
  overflow: visible;
}

.nav-icon-img {
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  display: block;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: center;
}

.nav-icon-link:hover .nav-icon-img,
.nav-icon-link.active .nav-icon-img {
  transform: translateY(-1px);
}

.nav-link:hover,
.nav-link.active,
.login-link:hover {
  color: var(--text);
  background: rgba(29, 78, 216, 0.08);
}

.nav-link:hover,
.login-link:hover {
  transform: translateY(-1px);
}

.nav-link-highlight {
  color: var(--accent);
  border: 1px solid rgba(29, 78, 216, 0.22);
  background: rgba(29, 78, 216, 0.07);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.login-link {
  color: #ffffff;
  background: var(--text);
  margin-left: 4px;
}

.login-link:hover {
  color: #ffffff;
  background: var(--accent);
}

.menu-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.menu-toggle:hover {
  border-color: rgba(29, 78, 216, 0.5);
  background: rgba(29, 78, 216, 0.06);
}

.menu-toggle img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  opacity: 0.86;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.menu-toggle:hover img {
  opacity: 1;
  transform: scale(1.04);
}

.site-footer {
  position: relative;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand .brand-logo {
  width: 40px;
  height: 40px;
}

.site-footer p {
  color: var(--muted);
}