/* Header Component Styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  /* backdrop-filter: blur(6px); */
  /* -webkit-backdrop-filter: blur(6px); */
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.45));
  border-bottom: 1px solid var(--border);
  will-change: transform;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand,
.header-actions {
  flex: 1;
  min-width: 0;
}

.header-actions {
  justify-content: flex-end;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  height: 36px;
  width: auto;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.nav-divider,
.nav-lang-slot,
.nav-login-link,
.nav-controls-row {
  display: none;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  font-weight: 600;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav a.active {
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(68, 208, 123, 0.5);
  border-radius: 8px;
}

.nav .login-link {
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(68, 208, 123, 0.35);
  font-weight: 600;
}

.nav .login-link:hover {
  background: rgba(68, 208, 123, 0.12);
  color: var(--text);
}

.header-actions .login-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(68, 208, 123, 0.35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: none;
}

.header-actions .login-link:hover {
  background: rgba(68, 208, 123, 0.12);
  border-color: rgba(68, 208, 123, 0.6);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.4);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform var(--transition), opacity var(--transition);
}

body.menu-open .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.menu-open .hamburger span:nth-child(2) { opacity: 0; }
body.menu-open .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile Nav */
@media (max-width: 840px) {
  .nav {
    position: absolute;
    top: 72px;
    right: 16px;
    left: 16px;
    padding: 14px;
    border-radius: 14px;
    background: rgba(8, 24, 16, 0.96);
    border: 1px solid rgba(68, 208, 123, 0.3);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav a {
    border: 1px solid rgba(68, 208, 123, 0.2);
    width: 100%;
  }

  body.menu-open .nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hamburger { display: inline-flex; }

  .header-actions .theme-toggle,
  .header-actions .lang-slot,
  .header-actions .login-link {
    display: none;
  }

  .nav-divider {
    display: block;
    width: 100%;
    border: none;
    border-top: 1px solid var(--border);
    margin: 6px 0;
  }

  .nav-controls-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 8px 12px;
  }

  .nav-lang-slot {
    display: block;
    flex: 1;
    padding: 0;
  }

  .nav-theme-toggle {
    flex-shrink: 0;
  }

  .nav-login-link {
    display: block;
    color: var(--text);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 600;
  }

  .nav-login-link:hover {
    background: rgba(68, 208, 123, 0.12);
  }
}

@media (max-width: 540px) {
  .site-header { padding: 12px 16px; }
}

/* ========================================
   Admin/Member Header Mode Styles
   ======================================== */

.site-header--admin {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  padding: 0 16px;
  background: var(--header-bg, rgba(0, 0, 0, 0.85));
  z-index: 100;
}

.site-header--admin .header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header--admin .sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text, #f7f9fb);
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.site-header--admin .sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.site-header--admin .brand {
  flex: none;
}

.header-actions--admin {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.site-header--admin .user-name {
  font-size: 14px;
  color: var(--muted, #c8d3df);
  padding: 0 8px;
}

.site-header--admin .logout-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: var(--text, #f7f9fb);
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.site-header--admin .logout-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.site-header--admin .logout-btn .material-symbols-outlined {
  font-size: 18px;
}

/* Admin header mobile */
@media (max-width: 768px) {
  .site-header--admin .user-name {
    display: none;
  }
  
  .site-header--admin .logout-btn span:not(.material-symbols-outlined) {
    display: none;
  }
  
  .site-header--admin .logout-btn {
    padding: 8px;
  }
}