/* Menu Icon and Sidebar */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-btn {
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.menu-btn:hover {
  background: rgba(124, 58, 237, 0.1);
}

.menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Sidebar Overlay */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}

.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: #fff;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
  transition: right 0.3s ease;
  z-index: 999;
  display: flex;
  flex-direction: column;
}

.sidebar.open {
  right: 0;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 800;
  color: #7c3aed;
}

.sidebar-close {
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.sidebar-close:hover {
  background: #f3f4f6;
}

.sidebar-menu {
  flex: 1;
  padding: 12px;
}

.menu-item {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.2s ease;
  margin-bottom: 4px;
}

.menu-item:hover {
  background: #f3f4f6;
  color: #7c3aed;
}

.menu-item.active {
  background: #f7f2ff;
  color: #7c3aed;
}

/* Main Content Container */
.main-content {
  min-height: calc(100vh - 200px);
}

.newsletter-view {
  min-height: calc(100vh - 300px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  padding: 0 16px;
}

.newsletter-view #quizView {
  padding-top: 0;
}


@media (max-width: 480px) {
  .newsletter-view {
    padding: 10px 16px;
    min-height: calc(100vh - 250px);
  }
  
  .newsletter-view .card {
    padding: 30px 20px;
  }
}

.newsletter-view .card {
  max-width: 500px;
  width: 100%;
  padding: 60px 40px;
}

.korea101-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.korea101-title {
  font-size: 42px;
  font-weight: 900;
  color: #7c3aed;
  margin: 0;
  letter-spacing: -0.5px;
}

.korea101-description {
  font-size: 16px;
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

.korea101-subtitle {
  font-size: 14px;
  color: #9ca3af;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

.korea101-link {
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}

.korea101-link:hover {
  color: #7c3aed;
  transform: translateY(-1px);
}