/**
 * Nhà Ở Việt (NÓV) — Responsive Master Stylesheet
 * Strict mobile-first and adaptive breakpoint overrides for Tablet, Mobile & Compact screens.
 * Loaded last to guarantee mobile layout precedence over desktop component styles.
 */

/* =====================================================================
   Category Pills Carousel Bar
   ===================================================================== */
.category-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 8px 0 16px;
  margin-bottom: 8px;
}
.category-bar::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--ink-secondary);
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-xs);
}

.cat-pill:hover, .cat-pill.active {
  background: var(--surface-blue);
  border-color: var(--brand);
  color: var(--brand);
}

/* =====================================================================
   TABLET BREAKPOINT: max-width 1050px
   ===================================================================== */
@media (max-width: 1050px) {
  .topbar-inner, .container {
    width: min(100% - 32px, 940px);
  }
  .topbar-inner {
    gap: 16px;
  }
  .main-nav {
    gap: 2px;
  }
  .nav-link {
    padding-inline: 8px;
    font-size: 12.5px;
  }
  .search-fields {
    grid-template-columns: minmax(140px, 1fr) minmax(180px, 1.2fr) minmax(140px, 0.8fr) auto;
  }
  .results-layout {
    grid-template-columns: 210px minmax(0, 1fr) !important;
    gap: 14px !important;
  }
  .listing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 24px !important;
  }
}

/* =====================================================================
   MOBILE & SMARTPHONE BREAKPOINT: max-width 768px
   ===================================================================== */
@media (max-width: 768px) {
  /* Ribbon */
  .demo-ribbon {
    min-height: 28px;
    font-size: 10px;
    padding: 4px 10px;
  }

  /* Header Topbar */
  .topbar {
    position: sticky;
    top: 0;
    z-index: 25;
  }
  .topbar-inner, .container {
    width: calc(100% - 24px) !important;
    max-width: 100% !important;
  }
  .topbar-inner {
    min-height: 58px;
    gap: 8px;
    flex-wrap: nowrap;
    justify-content: space-between;
  }
  .brandmark {
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }
  .brand-icon, .brand-logo-img {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border-radius: 9px;
  }
  .brand-copy {
    min-width: 0;
  }
  .brand-copy strong {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .brand-copy small {
    font-size: 7.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .main-nav {
    display: none !important;
  }
  .top-actions {
    margin-left: auto;
    gap: 6px;
    flex: 0 0 auto;
  }
  .account-toggle {
    padding: 4px;
  }
  .account-toggle .account-label, .account-toggle .account-arrow {
    display: none;
  }
  .account-popover {
    position: fixed;
    top: 60px;
    right: 12px;
    left: 12px;
    width: auto;
    max-width: 340px;
    margin-left: auto;
    z-index: 50;
  }
  .top-actions > .button {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 11px;
    white-space: nowrap;
  }

  /* Main & Typography */
  main {
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 14px)) !important;
  }
  input, select, textarea {
    font-size: 16px !important; /* Prevents auto-zoom on mobile */
  }
  .intro {
    display: block;
    padding: 16px 0 10px;
  }
  .eyebrow {
    flex-wrap: wrap;
    font-size: 10px;
  }
  h1 {
    margin: 8px 0 6px;
    font-size: 22px;
    line-height: 1.3;
    word-break: break-word;
  }
  .intro p {
    max-width: 100%;
    font-size: 12.5px;
    line-height: 1.5;
  }
  .intro-note {
    display: none !important;
  }

  /* Search Hero Box */
  .search-box {
    padding: 12px !important;
  }
  .search-top {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
  }
  .segmented {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
  }
  .segmented button {
    min-width: 0 !important;
    width: 100% !important;
    padding: 8px 6px;
    font-size: 11.5px;
  }
  .search-quick {
    width: 100%;
    display: flex !important;
    gap: 6px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 2px 0 4px;
  }
  .search-quick::-webkit-scrollbar {
    display: none;
  }
  .quick-link {
    flex-shrink: 0;
    padding: 6px 11px;
    font-size: 11px;
    white-space: nowrap;
    border-radius: 14px;
    background: var(--surface-blue);
  }
  .search-fields {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  .field-box {
    min-height: 48px;
    padding: 7px 12px;
  }
  .search-text {
    grid-column: 1 / -1;
  }
  .search-submit {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 44px !important;
  }
  .popular-areas {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    padding-top: 10px !important;
    border-top: 1px dashed var(--border);
    overflow: hidden;
  }
  .popular-areas-group {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 2px 0 4px;
    width: 100%;
  }
  .popular-areas-group::-webkit-scrollbar {
    display: none;
  }
  .popular-areas-group strong {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--muted);
  }
  .area-chip {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 11px;
    border-radius: 16px;
    min-height: 32px;
    white-space: nowrap;
  }

  /* Results Header & Actions Bar */
  .content-head {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 16px 0 10px !important;
    gap: 10px !important;
  }
  .content-head h2 {
    font-size: 18px;
    margin: 0 0 2px;
  }
  .results-meta {
    font-size: 11.5px;
    margin: 0;
  }
  .results-actions {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .results-actions .segmented {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    margin: 0 !important;
  }
  .results-actions .segmented button {
    min-height: 38px;
    font-size: 12px;
    font-weight: 700;
    width: 100%;
  }
  .results-subactions {
    display: grid !important;
    grid-template-columns: 1.2fr 1.2fr 1fr !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .results-subactions > [data-action="locate-nearby-gps"] {
    min-height: 38px;
    font-size: 11px;
    padding: 6px 4px;
    justify-content: center;
    text-align: center;
    white-space: nowrap;
  }
  .sort-control {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 100% !important;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
  }
  .sort-control .sort-label {
    display: none !important;
  }
  .sort-control select {
    height: 38px;
    width: 100%;
    font-size: 11px !important;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    padding: 0 6px;
    color: var(--ink);
    text-overflow: ellipsis;
  }
  .filter-toggle {
    display: inline-flex !important;
    min-height: 38px;
    padding: 6px 4px;
    font-size: 11px;
    justify-content: center;
    text-align: center;
    width: 100%;
  }

  /* CRITICAL: Results Layout & Filters Sidebar on Mobile */
  .results-layout {
    display: block !important;
  }
  .filters {
    display: none !important;
    margin-bottom: 14px !important;
  }
  .filters.open {
    display: block !important;
    animation: reveal 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  /* CRITICAL: Listing Grid on Mobile (1 Column) */
  .listing-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .listing-card {
    border-radius: var(--radius-md) !important;
  }
  .listing-image-wrap {
    aspect-ratio: 1.55;
  }
  .listing-body {
    padding: 13px !important;
  }
  .listing-price-line {
    flex-wrap: wrap;
    gap: 6px;
  }
  .listing-price {
    font-size: 18px;
  }
  .listing-unit {
    font-size: 10.5px;
  }
  .listing-title {
    min-height: 0;
    margin: 6px 0;
    font-size: 13.5px;
  }
  .listing-location {
    font-size: 11px;
  }
  .listing-facts {
    gap: 8px;
    padding: 8px 0;
    font-size: 11px;
  }
  .listing-foot {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 10px;
  }
  .card-details {
    font-size: 11px;
  }
  .favorite-button {
    width: 38px;
    height: 38px;
    font-size: 18px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    background: rgba(255, 255, 255, 0.95);
    display: grid;
    place-items: center;
  }

  /* Map View */
  #map-view-wrapper {
    margin-bottom: 14px !important;
    border-radius: 8px;
  }
  #bds-leaflet-map {
    height: 360px !important;
    width: 100% !important;
  }

  /* Trust Strip & Footer */
  .trust-strip {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  .trust-strip > .button {
    display: none !important;
  }
  .trust-copy small {
    line-height: 1.5;
  }
  .site-footer {
    padding: 24px 0 92px !important;
  }
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .footer-bottom {
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  /* Owner Dashboard */
  .page-heading {
    flex-wrap: wrap;
    padding-top: 18px;
    gap: 10px;
  }
  .page-heading h1 {
    font-size: 21px;
  }
  .page-heading .button {
    min-height: 36px;
    padding: 8px 10px;
    font-size: 11px;
  }
  .owner-row {
    grid-template-columns: 78px minmax(0, 1fr) !important;
    gap: 10px;
    padding: 10px;
  }
  .owner-row img {
    width: 78px;
    height: 68px;
  }
  .owner-row h3 {
    font-size: 12.5px;
    word-break: break-word;
  }
  .owner-row p, .owner-status {
    font-size: 10.5px;
  }
  .owner-actions {
    grid-column: 1 / -1;
    justify-content: flex-start !important;
    flex-wrap: wrap;
  }
  .owner-actions .button {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 10.5px;
  }
  .moderation-summary {
    grid-template-columns: 1fr !important;
    gap: 8px;
  }
  .summary-item {
    min-width: 0;
    padding: 10px 12px;
    word-break: break-word;
  }
  .summary-item small {
    font-size: 10px;
  }
  .summary-item strong {
    font-size: 18px;
  }
  .listing-grid.compact {
    grid-template-columns: 1fr !important;
  }
  .saved-search-row {
    grid-template-columns: 1fr !important;
  }
  .saved-search-actions {
    justify-content: flex-start !important;
  }
  .support-layout {
    grid-template-columns: 1fr !important;
  }
  .support-panel {
    padding: 14px;
    min-width: 0;
    overflow: hidden;
  }
  .support-case-head {
    flex-wrap: wrap;
    gap: 6px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  /* Dialogs / Modals — Mobile Bottom Sheet Drawer */
  dialog:not(#chat-dialog) {
    position: fixed !important;
    top: auto !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    inset: auto 0 0 0 !important;
    transform: none !important;
    margin: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 94dvh !important;
    max-height: 94dvh !important;
    border-radius: 20px 20px 0 0 !important;
    border: 0 !important;
    box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.3) !important;
    overflow: hidden !important;
    display: none;
    flex-direction: column !important;
    z-index: 1000 !important;
  }
  dialog:not(#chat-dialog)[open] {
    display: flex !important;
  }
  #post-dialog {
    height: 94dvh !important;
    max-height: 94dvh !important;
  }
  dialog > form,
  #post-form {
    height: 100% !important;
    max-height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    min-height: 0 !important;
    overflow: hidden !important;
    width: 100% !important;
    margin: 0 !important;
  }
  .dialog-head {
    flex: 0 0 auto !important;
    padding: 12px 14px !important;
    background: #ffffff !important;
    border-bottom: 1px solid var(--border) !important;
    z-index: 10 !important;
  }
  .dialog-head h2 {
    font-size: 14px !important;
    line-height: 1.35 !important;
  }
  .dialog-body {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    padding: 14px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
  }
  .dialog-foot,
  dialog > form > .form-actions,
  #post-form > .form-actions {
    flex: 0 0 auto !important;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 12px)) !important;
    background: #ffffff !important;
    border-top: 1px solid var(--border) !important;
    z-index: 10 !important;
    margin-top: 0 !important;
    box-shadow: 0 -4px 14px rgba(15, 23, 42, 0.05) !important;
  }
  .detail-photo {
    height: 220px !important;
  }
  .detail-title {
    font-size: 17px;
  }
  .detail-price {
    font-size: 20px;
    white-space: normal;
  }
  .detail-topline {
    display: block;
  }
  .detail-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    padding-top: 12px !important;
  }
  .detail-actions > [data-action="open-chat-for-listing"] {
    grid-column: 1 / 2 !important;
    min-height: 44px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    padding: 8px 6px !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-action="open-viewing"] {
    grid-column: 2 / 3 !important;
    min-height: 44px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    padding: 8px 6px !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-action="show-phone"] {
    grid-column: 1 / -1 !important;
    min-height: 42px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    background: var(--surface-mint) !important;
    border-color: var(--teal) !important;
    color: var(--teal) !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-action="open-contract"] {
    grid-column: 1 / -1 !important;
    font-size: 12px !important;
    text-align: center;
    justify-content: center;
    min-height: 38px !important;
  }
  .detail-actions > [data-action="open-seo-syndicate"] {
    grid-column: 1 / -1 !important;
    font-size: 12px !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-compare] {
    grid-column: 1 / 2 !important;
    font-size: 11px !important;
    padding: 8px 4px !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-favorite] {
    grid-column: 2 / 3 !important;
    font-size: 11px !important;
    padding: 8px 4px !important;
    text-align: center;
    justify-content: center;
  }
  .detail-actions > [data-action="share-listing"] {
    grid-column: 1 / -1 !important;
    font-size: 11px !important;
    padding: 8px 4px !important;
    text-align: center;
    justify-content: center;
  }

  .vietqr-grid-responsive {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .vietqr-grid-responsive img {
    width: 160px !important;
    height: 160px !important;
    margin: 0 auto !important;
  }
  .vietqr-grid-responsive table {
    font-size: 11.5px !important;
    word-break: break-word !important;
  }

  .toast {
    bottom: calc(72px + env(safe-area-inset-bottom, 8px)) !important;
    right: 12px !important;
    left: 12px !important;
    max-width: calc(100vw - 24px) !important;
    text-align: center !important;
    z-index: 35 !important;
  }
  .form-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
  }
  .form-field {
    min-width: 0;
  }
  .form-field.full {
    grid-column: auto;
  }
  .form-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  .form-actions .button {
    flex: 1 1 auto;
    min-width: 120px;
  }

  /* Smart Fast-Posting Mobile Optimizations */
  .loc-stepper-box {
    padding: 10px 12px !important;
  }
  .loc-chips-grid {
    gap: 5px !important;
  }
  .loc-chip, .quick-chip {
    padding: 5px 9px !important;
    font-size: 11.5px !important;
  }
  .smart-paste-box {
    flex-direction: column !important;
  }
  .smart-paste-box button {
    width: 100% !important;
  }
  .loc-result-input-wrap {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .loc-result-input-wrap button {
    width: 100% !important;
  }
  .segmented-btn {
    font-size: 12px !important;
    min-height: 36px !important;
    padding: 4px 6px !important;
  }
  .plan-grid {
    grid-template-columns: 1fr !important;
  }
  .plan {
    min-height: 0;
  }
  .plan ul {
    margin-bottom: 10px;
  }
  .plan .button {
    margin-top: 0;
  }
  .steps {
    flex-wrap: wrap;
  }

  /* Mobile Bottom Navigation Bar */
  .mobile-nav {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 30 !important;
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    padding: 6px 8px max(6px, env(safe-area-inset-bottom, 8px)) !important;
    border-top: 1px solid var(--border) !important;
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(14px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(14px) saturate(180%) !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05) !important;
  }
  .mobile-nav button {
    min-height: 48px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 3px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    font-size: 9.5px;
    font-weight: 700;
  }
  .mobile-nav button span:first-child {
    font-size: 18px;
    line-height: 1;
  }
  .mobile-nav button.active {
    background: var(--surface-blue);
    color: var(--brand);
  }

  /* Floating Post Button (FAB stacked directly above Chat Button) */
  .post-floating-btn {
    bottom: calc(120px + env(safe-area-inset-bottom, 8px)) !important;
    right: 14px !important;
    min-height: 42px !important;
    padding: 0 14px !important;
    font-size: 12px !important;
    box-shadow: 0 6px 18px rgba(21, 94, 239, 0.4) !important;
  }

  body.has-compare-dock .post-floating-btn {
    bottom: calc(182px + env(safe-area-inset-bottom, 8px)) !important;
  }

  /* Keep top header clean on mobile by hiding redundant post button */
  .top-actions > [data-action="open-post"] {
    display: none !important;
  }
}

/* =====================================================================
   COMPACT MOBILE BREAKPOINT: max-width 420px
   ===================================================================== */
@media (max-width: 420px) {
  .topbar-inner, .container {
    width: calc(100% - 16px) !important;
  }
  .brand-copy small {
    display: none !important;
  }
  .top-actions > .button {
    padding-inline: 7px;
    font-size: 10px;
  }
  #top-auth-status-label {
    font-size: 10px;
  }
}

/* =====================================================================
   TINY MOBILE BREAKPOINT: max-width 380px
   ===================================================================== */
@media (max-width: 380px) {
  .topbar-inner, .container {
    width: calc(100% - 12px) !important;
  }
  .brand-copy strong {
    font-size: 13px !important;
  }
  .brand-icon, .brand-logo-img {
    width: 32px !important;
    height: 32px !important;
    flex: 0 0 32px !important;
  }
  .top-actions > .button {
    padding: 5px 6px !important;
    font-size: 9.5px !important;
  }
  .results-subactions {
    grid-template-columns: 1fr 1fr !important;
  }
  .results-subactions > [data-action="locate-nearby-gps"] {
    grid-column: 1 / -1;
  }
}