.topbar {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}




.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  padding: 8px;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.mobile-menu-btn span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s ease,
    width 0.3s ease;
  transform-origin: center;
}

.mobile-menu-btn:hover {
  background: var(--teal-light);
  border-color: var(--teal-border);
}

.mobile-menu-btn.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.is-open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.mobile-menu-btn.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}




.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: min(300px, 82vw);
  background: var(--surface-solid);
  box-shadow: 6px 0 40px rgba(15, 23, 42, 0.2);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 201;
  overflow-y: auto;
  overflow-x: hidden;
}

.mobile-nav-overlay.is-open .mobile-nav-drawer {
  transform: translateX(0);
}


.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
  background: var(--surface);
}

.mobile-nav-logo {
  height: 30px;
  width: auto;
}

.mobile-nav-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--canvas);
  color: var(--ink);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
}

.mobile-nav-close:hover {
  background: var(--teal-light);
  border-color: var(--teal-border);
}


.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: 10px;
  gap: 2px;
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 13px 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font-size: 0.97rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}

.mobile-nav-link svg {
  flex-shrink: 0;
  color: var(--muted);
  transition: color 0.18s;
}

.mobile-nav-link:hover {
  background: var(--teal-light);
  color: var(--navy);
}

.mobile-nav-link:hover svg {
  color: var(--teal);
}

.mobile-nav-link.is-active {
  background: var(--teal-light);
  color: var(--navy);
  font-weight: 700;
}

.mobile-nav-link.is-active svg {
  color: var(--teal);
}


.mobile-nav-user-section {
  padding: 14px 18px 10px;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}

.mobile-nav-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--teal-light);
  border: 1px solid var(--teal-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  cursor: pointer;
  transition: background 0.18s;
}

.mobile-nav-user-card:hover {
  background: #dbeafe;
}

.mobile-nav-user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.mobile-nav-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-nav-user-avatar svg {
  width: 22px;
  height: 22px;
  color: #fff;
}

.mobile-nav-user-info {
  min-width: 0;
  flex: 1;
}

.mobile-nav-user-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-nav-user-sub {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 1px;
}

.mobile-nav-user-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 4px;
}

.mobile-nav-user-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s, color 0.18s;
}

.mobile-nav-user-btn:hover {
  background: var(--teal-light);
  border-color: var(--teal-border);
  color: var(--navy);
}

.mobile-nav-logout-btn {
  border-color: #fee2e2;
  color: #dc2626;
  background: #fff;
}

.mobile-nav-logout-btn:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}


.mobile-nav-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
  background: var(--surface);
}




@media (max-width: 1024px) {
  .topbar {
    padding: 0 20px;
  }

  main {
    padding: 28px 20px 56px;
  }

  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-row,
  .pop-dest-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .destination-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .rates-layout,
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .budget-panel {
    grid-template-columns: repeat(3, 1fr);
  }

  .work-area {
    grid-template-columns: 1fr;
  }

  .explore-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}




@media (max-width: 768px) {

  
  .topbar {
    padding: 0 14px;
    height: 56px;
    gap: 8px;
    display: flex;
    align-items: center;
  }

  
  .brand {
    flex-shrink: 0;
    margin-right: auto;
    
  }

  .brand-logo {
    height: 32px;
  }

  
  .nav-list {
    display: none !important;
  }

  
  .account-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    margin-left: 0;
  }

  
  .topbar #loginNavBtn {
    display: none !important;
  }

  
  .topbar .user-menu-btn {
    padding: 3px !important;
    border-radius: 50% !important;
    gap: 0 !important;
    min-width: 36px !important;
    min-height: 36px !important;
    border: 1.5px solid var(--line) !important;
  }

  .topbar .user-badge {
    display: none !important;
  }

  .topbar .user-menu-btn .chevron {
    display: none !important;
  }

  
  #themeToggleBtn {
    min-width: 36px !important;
    width: 36px;
    height: 36px;
    padding: 0 !important;
    border-radius: var(--radius-sm) !important;
    font-size: 1.1rem !important;
  }

  
  .mobile-menu-btn {
    display: flex;
    flex-shrink: 0;
  }

  
  main {
    padding: 18px 14px 90px;
  }

  
  .hero-band {
    padding: 36px 16px 28px;
  }

  .hero-band h1 {
    font-size: 1.85rem;
    letter-spacing: -0.2px;
  }

  .hero-band>p {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  
  .tool-panel {
    padding: 20px 16px;
  }

  
  .features-row,
  .destination-grid,
  .pop-dest-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .admin-form {
    grid-template-columns: 1fr;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .budget-panel {
    grid-template-columns: repeat(2, 1fr);
  }

  .breakdown-row {
    grid-template-columns: 90px 1fr auto;
  }

  .plan-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .profile-form {
    grid-template-columns: 1fr;
  }

  
  .rates-layout {
    grid-template-columns: 1fr;
  }

  
  .converter-amount-row {
    flex-direction: column;
    gap: 12px;
  }

  .converter-from-wrap {
    width: 100%;
  }

  .from-select-sm {
    width: 100% !important;
    min-height: 48px !important;
  }

  
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .site-footer {
    padding: 40px 20px 28px;
  }

  
  .detail-main {
    grid-template-columns: 1fr;
  }

  .detail-main img {
    height: 200px;
    width: 100%;
  }

  .detail-list {
    grid-template-columns: 1fr;
  }

  .detail-extra-grid {
    grid-template-columns: 1fr;
  }

  
  .result-action-bar {
    flex-direction: column;
    gap: 8px;
  }

  .result-action-bar .ghost-btn {
    width: 100%;
    min-width: unset;
  }

  
  .wayg-map-container {
    height: 360px;
  }

  .map-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .map-search-input {
    max-width: 100%;
  }

  
  .auth-card {
    padding: 28px 20px;
  }

  
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-content {
    padding: 24px 16px;
    max-height: 92vh;
    border-radius: var(--radius) var(--radius) 0 0;
    width: 100%;
    max-width: 100%;
  }

  
  .community-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .community-categories {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .cat-link {
    flex: 0 0 auto;
    padding: 7px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.85rem;
  }

  
  #exploreForm {
    grid-template-columns: 1fr !important;
  }

  .explore-grid {
    grid-template-columns: 1fr;
  }

  
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .comparison-header {
    flex-direction: column;
    gap: 10px;
  }

  
  .section-heading h2 {
    font-size: 1.35rem;
  }

  .feature-card {
    padding: 20px 16px;
  }

  .share-url-box {
    flex-direction: column;
  }

  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 480px;
  }

  
  .user-dropdown {
    right: 0;
    left: auto;
    width: 190px;
  }

  
  .ai-assistant-widget {
    right: 14px;
    bottom: 22px;
    left: auto;
    gap: 8px;
  }

  .ai-bubble-text {
    display: none;
  }

  .ai-assistant-bubble {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    padding: 0;
    justify-content: center;
    min-height: unset;
    gap: 0;
  }

  .ai-bubble-icon {
    width: 34px;
    height: 34px;
  }

  .ai-assistant-prompt {
    display: none;
  }
}




@media (max-width: 480px) {
  .topbar {
    padding: 0 12px;
    height: 52px;
  }

  .brand-logo {
    height: 28px;
  }

  main {
    padding: 14px 12px 90px;
  }

  .hero-band {
    padding: 28px 12px 22px;
  }

  .hero-band h1 {
    font-size: 1.5rem;
  }

  h1 {
    font-size: 1.65rem;
  }

  h2 {
    font-size: 1.15rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .site-footer {
    padding: 36px 14px 24px;
  }

  .budget-panel {
    grid-template-columns: 1fr;
  }

  .result-total {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .result-total strong {
    font-size: 1.6rem;
  }

  .card-gallery {
    height: 140px;
  }

  .auth-card {
    padding: 22px 14px;
  }

  .tool-panel {
    padding: 16px 12px;
  }

  .section-heading h2 {
    font-size: 1.15rem;
  }

  .primary-btn,
  .ghost-btn {
    font-size: 0.87rem;
    padding: 9px 14px;
  }

  .user-badge {
    display: none !important;
  }

  .comparison-section {
    margin-top: 24px;
  }

  .share-total-box {
    font-size: 1.6rem;
    padding: 12px 16px;
  }

  .wayg-map-container {
    height: 300px;
  }

  .topic-card {
    padding: 14px;
  }

  .topic-title {
    font-size: 1rem;
  }

  .ai-planner-layout,
  .ai-planner-form,
  .ai-planner-hero {
    grid-template-columns: 1fr;
  }

  .ai-planner-result {
    padding: 16px 12px;
  }
}




@media (max-width: 768px) {
  [data-theme="dark"] .mobile-nav-drawer {
    box-shadow: 6px 0 40px rgba(0, 0, 0, 0.5);
    background: #1e293b;
  }

  [data-theme="dark"] .mobile-nav-overlay {
    background: rgba(0, 0, 0, 0.7);
  }

  [data-theme="dark"] .mobile-nav-user-card {
    background: #1e3a8a;
    border-color: #2563eb;
  }

  [data-theme="dark"] .mobile-nav-user-card:hover {
    background: #1d4ed8;
  }

  [data-theme="dark"] .mobile-nav-user-btn {
    background: #0f172a;
    border-color: #334155;
    color: #f8fafc;
  }

  [data-theme="dark"] .mobile-nav-logout-btn {
    background: #1f0a0a;
    border-color: #7f1d1d;
    color: #fca5a5;
  }
}