/* === MOBILE ADAPTATION === */

:root {
  --mobile-bar-h: 60px;
  --mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Hidden on desktop */
.mobile-bottom-bar { display: none; }
.mobile-search-overlay { display: none !important; }
.mobile-chat-back { display: none; }
.section-desc-toggle { display: none; }
.mobile-logout-btn { display: none; }
.mobile-friends-btn { display: none !important; }
.mobile-theme-btn { display: none !important; }

/* ========== TABLET (≤1024px) ========== */
@media (max-width: 1024px) {
  .search-bar { min-width: 220px; }
  .nav-tab { padding: 10px 18px; font-size: 15px; }
  .communities-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== MOBILE (≤768px) ========== */
@media (max-width: 768px) {

  /* --- Global reset --- */
  html, body {
    overflow: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  * {
    -webkit-tap-highlight-color: transparent;
  }

  .app-container {
    align-items: stretch;
    justify-content: flex-start;
  }

  .main-panel {
    width: 100% !important;
    max-width: 100% !important;
    height: 100vh;
    height: 100dvh;
    border-radius: 0 !important;
    border: none !important;
    margin: 0;
    background: rgba(0, 0, 0, 0.35) !important;
    backdrop-filter: blur(40px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(40px) saturate(180%) !important;
  }

  .app-background {
    border-radius: 0;
  }

  /* --- Top Nav: slim iOS-style header --- */
  .top-nav {
    padding: 6px 14px;
    gap: 8px;
    min-height: 48px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 20, 0.65) !important;
    backdrop-filter: blur(30px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(30px) saturate(180%) !important;
    border-bottom: 0.5px solid rgba(255,255,255,0.08) !important;
  }

  /* Hide center nav tabs — bottom bar replaces them */
  .nav-center { display: none !important; }

  /* Hide theme toggle on mobile — save space */
  .nav-right #theme-toggle { display: none; }

  /* Search: icon only — iOS pill style */
  .nav-left .search-bar {
    min-width: unset;
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    background: rgba(255,255,255,0.08);
    border: none;
    transition: all 0.15s ease;
  }
  .nav-left .search-bar:active {
    transform: scale(0.9);
    background: rgba(255,255,255,0.16);
  }
  .nav-left .search-bar .search-input { display: none; }
  .nav-left .search-bar .nav-icon-img { width: 17px; height: 17px; opacity: 0.6; }

  /* Notifications icon — compact circle */
  .nav-bell {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    display: flex !important;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0;
  }
  .nav-bell:active {
    transform: scale(0.9);
  }
  .nav-bell .nav-icon-img { width: 18px; height: 18px; opacity: 0.6; }
  .notification-dot {
    position: absolute !important;
    top: 6px !important;
    right: 6px !important;
    width: 8px !important;
    height: 8px !important;
  }

  /* Profile mini: avatar only */
  .profile-info-mini { display: none; }
  .profile-dropdown-arrow { display: none; }
  .profile-mini { padding: 0; border-radius: 50%; }
  .avatar-mini { width: 32px; height: 32px; border: 2px solid rgba(255,255,255,0.15); }
  .nav-right { gap: 8px; }

  /* --- Search overlay --- */
  .mobile-search-overlay {
    display: none !important;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    padding: 0;
    background: rgba(10, 10, 20, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    overflow: hidden;
  }
  .mobile-search-overlay.active { display: flex !important; }
  .mobile-search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    flex-shrink: 0;
    border-bottom: 0.5px solid rgba(255,255,255,0.08);
  }
  .mobile-search-input {
    flex: 1;
    padding: 12px 18px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    color: #fff;
    font-size: 16px;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.2s;
  }
  .mobile-search-input:focus { border-color: var(--accent); }
  .mobile-search-input::placeholder { color: rgba(255,255,255,0.35); }
  .mobile-search-close {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
  }

  /* Mobile search dropdown — full width inside overlay */
  .mobile-search-overlay .search-dropdown,
  .mobile-search-overlay .mobile-search-dropdown {
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: none !important;
    border-radius: 0 !important;
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
    padding: 6px 0 !important;
    flex: 1;
    overflow-y: auto !important;
    background: transparent !important;
    backdrop-filter: none !important;
  }
  .mobile-search-overlay .search-result-item {
    padding: 10px 16px !important;
    margin: 2px 8px !important;
    border-radius: 14px !important;
  }
  .mobile-search-overlay .search-result-icon {
    width: 42px !important;
    height: 42px !important;
    font-size: 19px !important;
  }
  .mobile-search-overlay .search-result-avatar {
    width: 42px !important;
    height: 42px !important;
  }
  .mobile-search-overlay .search-result-title {
    font-size: 15px !important;
    line-height: 1.3 !important;
    white-space: normal !important;
  }
  .mobile-search-overlay .search-result-subtitle {
    font-size: 12px !important;
  }
  .mobile-search-overlay .search-group-label {
    padding: 10px 16px 4px !important;
    font-size: 10px !important;
  }
  .mobile-search-overlay .search-result-arrow {
    display: none !important;
  }
  .mobile-search-overlay .search-no-results {
    padding: 48px 20px !important;
  }

  /* --- Sidebar: hidden --- */
  .left-sidebar { display: none !important; }

  /* --- Content area --- */
  .content-area { flex: 1; min-height: 0; overflow: hidden; }
  .main-content {
    border: none !important;
    border-radius: 0 !important;
    padding: 10px 12px;
    padding-bottom: calc(var(--mobile-bar-h) + var(--mobile-safe-bottom) + 14px);
    background: transparent !important;
  }

  /* --- BOTTOM TAB BAR — iOS style --- */
  .mobile-bottom-bar {
    display: flex !important;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: var(--mobile-bar-h);
    padding-bottom: var(--mobile-safe-bottom);
    background: rgba(10, 10, 20, 0.75);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    border-top: 0.5px solid rgba(255,255,255,0.1);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding-top: 6px;
  }

  .mobile-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 2px 0;
    min-width: 50px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease, transform 0.15s ease;
  }
  .mobile-tab:active {
    transform: scale(0.88);
  }
  .mobile-tab-icon {
    width: 24px; height: 24px;
    opacity: 0.55;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }
  /* SVG profile icon — no filter needed */
  .mobile-tab-svg {
    filter: none !important;
    opacity: 0.45;
    stroke: rgba(255,255,255,0.55);
    width: 24px; height: 24px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .mobile-tab span {
    font-size: 10px;
    font-family: var(--font-small);
    letter-spacing: 0.1px;
    line-height: 1;
    font-weight: 400;
  }

  /* Active tab — iOS accent glow */
  .mobile-tab.active { color: var(--accent); }
  .mobile-tab.active .mobile-tab-icon {
    opacity: 1;
    transform: translateY(-1px);
  }
  .mobile-tab.active .mobile-tab-svg {
    opacity: 1;
    stroke: var(--accent);
    transform: translateY(-1px);
  }
  .mobile-tab.active::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%; transform: translateX(-50%);
    width: 24px; height: 3px;
    background: var(--accent);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 3px 12px var(--accent-glow);
  }

  /* Light theme */
  [data-theme="light"] .mobile-bottom-bar {
    background: rgba(255,255,255,0.88);
    border-top-color: rgba(0,0,0,0.06);
  }
  [data-theme="light"] .mobile-tab { color: rgba(0,0,0,0.35); }
  [data-theme="light"] .mobile-tab-icon { filter: none; opacity: 0.35; }
  [data-theme="light"] .mobile-tab-svg { stroke: rgba(0,0,0,0.4); }
  [data-theme="light"] .mobile-tab.active { color: var(--accent); }
  [data-theme="light"] .mobile-tab.active .mobile-tab-icon { opacity: 1; filter: none; }
  [data-theme="light"] .mobile-tab.active .mobile-tab-svg { stroke: var(--accent); opacity: 1; }

  /* ===== SECTION HEADERS — iOS-style compact card ===== */
  .section-header {
    padding: 14px 16px !important;
    border-radius: 14px !important;
    background: rgba(255,255,255,0.06) !important;
    border: 0.5px solid rgba(255,255,255,0.1) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    margin-bottom: 10px;
  }
  .section-header h1 {
    font-size: 20px;
    margin-bottom: 0;
    line-height: 1.2;
    font-weight: 400;
    letter-spacing: -0.3px;
  }

  /* Collapsible description wrapper */
  .section-desc-wrapper {
    position: relative;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .section-desc-wrapper.expanded {
    max-height: 300px;
  }
  .section-desc-wrapper p {
    font-size: 14px;
    line-height: 1.55;
    opacity: 0.7;
    margin-top: 8px;
    margin-bottom: 0;
  }
  .section-desc-toggle {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.06);
    border: 0.5px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    color: var(--accent);
    font-size: 11px;
    font-family: var(--font-small);
    cursor: pointer;
    font-weight: 400;
    transition: all 0.15s ease;
  }
  .section-desc-toggle:active {
    transform: scale(0.95);
    background: rgba(255,255,255,0.12);
  }

  /* ===== FEED ===== */
  .feed-layout {
    flex-direction: column;
    overflow-y: auto;
    gap: 10px;
  }
  .feed-communities-row {
    flex: none !important;
    height: auto !important;
    max-height: none !important;
  }
  .feed-community-icons {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    gap: 8px;
    height: auto !important;
  }
  .feed-community-icon {
    aspect-ratio: 16/10;
    height: auto !important;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  }
  .feed-community-icon .community-icon-name {
    font-size: 13px;
    padding: 8px 12px;
    font-weight: 400;
  }
  .feed-posts-section {
    flex: none !important;
    min-height: 200px;
    max-height: none !important;
  }
  .feed-right { display: none !important; }

  /* Mobile friends button in nav */
  .mobile-friends-btn {
    display: flex !important;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    padding: 0;
  }
  .mobile-friends-btn:active { transform: scale(0.9); }
  .mobile-friends-btn svg {
    width: 18px; height: 18px;
    stroke: rgba(255,255,255,0.6);
    fill: none;
    stroke-width: 1.8;
  }
  .mobile-friends-btn .friends-online-badge {
    position: absolute;
    top: 4px; right: 4px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #10b981;
    border: 1.5px solid rgba(10,10,20,0.9);
  }

  /* Mobile theme toggle button */
  .mobile-theme-btn {
    display: flex !important;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s ease;
  }
  .mobile-theme-btn:active { transform: scale(0.9); }
  .mobile-theme-btn svg {
    width: 18px; height: 18px;
    stroke: rgba(255,255,255,0.6);
    fill: none;
    stroke-width: 1.8;
  }
  /* Light theme: subtle icon, no bg highlight */
  [data-theme="light"] .mobile-theme-btn {
    background: transparent;
  }
  [data-theme="light"] .mobile-theme-btn svg {
    stroke: rgba(255,255,255,0.7);
  }

  /* News carousel label */
  .feed-posts-section .section-label,
  .feed-communities-row .section-label {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: -0.2px;
    opacity: 0.7;
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  /* Post banner — iOS card style */
  .post-banner {
    border-radius: 16px !important;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0,0,0,0.2);
    border: 0.5px solid rgba(255,255,255,0.08);
  }
  .post-banner-content { padding: 14px 16px; }
  .post-avatar { width: 36px; height: 36px; }
  .post-author-name { font-size: 15px; font-weight: 400; }
  .post-author-role { font-size: 11px; opacity: 0.5; }
  .post-content { font-size: 14px; max-width: 95%; line-height: 1.55; }
  .post-actions { max-width: 95%; }
  .post-action-btn { font-size: 13px; }

  /* Publish bar — pill style */
  .publish-bar {
    padding: 6px 8px !important;
    border-radius: 24px !important;
    margin-top: 6px;
    gap: 4px !important;
    background: rgba(255,255,255,0.05) !important;
    border: 0.5px solid rgba(255,255,255,0.1) !important;
  }
  .publish-tab {
    padding: 8px 14px;
    font-size: 12px;
    border-radius: 20px;
    font-weight: 400;
  }

  /* ===== COMMUNITIES — iOS grid cards ===== */
  .communities-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
  .community-card {
    border-radius: 18px !important;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    border: 0.5px solid rgba(255,255,255,0.08);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .community-card-name {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: -0.3px;
  }

  /* ===== COMMUNITY INNER ===== */
  .community-layout {
    flex-direction: column;
    padding: 4px;
    gap: 6px;
  }
  .community-sidebar {
    width: 100% !important;
    flex-direction: row !important;
    padding: 4px 6px !important;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-radius: 12px !important;
  }
  .community-sidebar::-webkit-scrollbar { display: none; }
  .community-nav { flex-direction: row !important; gap: 6px; flex: 1; }
  .community-tab {
    white-space: nowrap;
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 10px;
  }
  .community-sidebar-bottom { display: none; }

  .community-content { flex: 1; min-height: 0; overflow: hidden; display: flex; flex-direction: column; }

  /* Community chat — keep input bar above bottom nav */
  .community-inner-active .main-content {
    overflow: hidden !important;
    padding: 10px 12px 0 12px !important;
    height: calc(100vh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
    max-height: calc(100vh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
  }
  @supports (height: 100dvh) {
    .community-inner-active .main-content {
      height: calc(100dvh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
      max-height: calc(100dvh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
    }
  }
  .community-inner-active #page-community-inner {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    overflow: hidden !important;
  }
  .community-inner-active .community-header {
    flex-shrink: 0;
  }
  .community-inner-active .community-layout {
    flex: 1 !important;
    min-height: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }
  #community-chat.active {
    flex: 1 !important;
    min-height: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }
  .community-chat-area {
    flex: 1 !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }
  .community-chat-area .chat-messages {
    flex: 1 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
  }
  .community-chat-area .chat-input-bar {
    flex-shrink: 0 !important;
    padding: 8px 10px !important;
    padding-bottom: 12px !important;
    margin-bottom: 0 !important;
  }
  .news-grid { grid-template-columns: 1fr !important; overflow-y: auto; gap: 6px; }
  /* Mobile news cards: compact title-only style */
  .news-card {
    border-radius: 14px !important;
    padding: 13px 16px !important;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 0 !important;
    height: auto !important;
  }
  .news-card .news-card-content,
  .news-card .news-card-actions {
    display: none !important;
  }
  .news-card .news-card-image {
    display: none !important;
  }
  .news-card .news-card-title {
    font-size: 14.5px !important;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.3 !important;
  }
  .news-card .news-card-title::after {
    content: '›';
    font-size: 20px;
    font-weight: 300;
    opacity: 0.4;
    margin-left: 12px;
    flex-shrink: 0;
  }
  .news-card:active {
    transform: scale(0.98);
    opacity: 0.8;
  }
  .community-bottom-row { flex-direction: column; height: auto; }
  .community-featured-post.news-card-empty { max-height: 80px !important; flex: none !important; }
  .featured-carousel { height: 160px; border-radius: 14px !important; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr) !important; overflow-y: auto; gap: 6px; }

  /* ===== NEWS DETAIL MODAL ===== */
  .news-detail-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .news-detail-modal.active {
    opacity: 1;
    pointer-events: auto;
  }
  .news-detail-modal .news-modal-sheet {
    width: 100%;
    max-height: 85vh;
    background: rgba(22, 22, 35, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px 24px 0 0;
    padding: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  }
  .news-detail-modal.active .news-modal-sheet {
    transform: translateY(0);
  }
  .news-modal-handle {
    width: 36px;
    height: 4px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 3px;
    margin: 10px auto 0;
  }
  .news-modal-image {
    width: 100%;
    max-height: 280px;
    object-fit: cover;
    border-radius: 0;
    margin-top: 12px;
  }
  .news-modal-body {
    padding: 16px 20px 24px;
  }
  .news-modal-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: -0.3px;
  }
  .news-modal-content {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.85;
    margin-bottom: 16px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
  }
  .news-modal-actions {
    display: flex;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .news-modal-actions .post-action {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    opacity: 0.7;
    cursor: pointer;
  }
  .news-modal-actions .post-action img {
    width: 18px;
    height: 18px;
  }

  /* Light theme modal */
  [data-theme="light"] .news-modal-sheet {
    background: rgba(255, 255, 255, 0.97);
    border-color: rgba(0, 0, 0, 0.08);
  }
  [data-theme="light"] .news-modal-handle {
    background: rgba(0, 0, 0, 0.15);
  }
  [data-theme="light"] .news-modal-actions {
    border-top-color: rgba(0, 0, 0, 0.08);
  }
  [data-theme="light"] .news-modal-title {
    color: #1a1a2e !important;
  }
  [data-theme="light"] .news-modal-content {
    color: rgba(0, 0, 0, 0.7) !important;
  }
  [data-theme="light"] .news-modal-actions .post-action {
    color: rgba(0, 0, 0, 0.6) !important;
  }
  [data-theme="light"] .news-modal-actions .post-action img {
    filter: brightness(0) !important;
    opacity: 0.5;
  }

  /* Community banner */
  .community-banner {
    border-radius: 14px !important;
    margin-bottom: 4px;
  }
  .community-banner-title { font-size: 22px; }

  /* ===== EVENTS — iOS card list ===== */
  .events-grid { grid-template-columns: 1fr !important; gap: 12px; }
  .event-card {
    padding: 16px 18px;
    border-radius: 16px !important;
    background: rgba(255,255,255,0.05) !important;
    border: 0.5px solid rgba(255,255,255,0.08) !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .event-card-title { font-size: 16px; font-weight: 400; letter-spacing: -0.2px; }
  .event-card-description { font-size: 13px; line-height: 1.55; opacity: 0.8; }
  .event-card-meta { font-size: 12px; opacity: 0.5; }

  /* ===== CHAT (split-view) — iOS Messages style ===== */
  /* Hide big header on chat page to save space on mobile */
  #page-chat > .section-header { display: none !important; }
  .chat-page-active #page-chat {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    overflow: hidden !important;
  }
  /* Prevent page from scrolling past bottom nav on chat page */
  .chat-page-active .main-content {
    padding: 10px 12px 0 12px !important;
    overflow: hidden !important;
    height: calc(100vh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
    max-height: calc(100vh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
  }
  @supports (height: 100dvh) {
    .chat-page-active .main-content {
      height: calc(100dvh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
      max-height: calc(100dvh - 56px - var(--mobile-bar-h) - var(--mobile-safe-bottom)) !important;
    }
  }

  .chat-layout {
    flex-direction: column;
    overflow: hidden;
    flex: 1;
    height: 100% !important;
    max-height: 100% !important;
  }
  .chat-contacts {
    width: 100% !important;
    flex: 1;
    max-height: none !important;
    border-radius: 16px !important;
    background: rgba(255,255,255,0.04) !important;
    border: 0.5px solid rgba(255,255,255,0.08) !important;
    overflow-y: auto;
  }
  .chat-window {
    display: none !important;
    border-radius: 16px !important;
  }
  .chat-layout.mobile-chat-open .chat-contacts { display: none !important; }
  .chat-layout.mobile-chat-open .chat-window {
    display: flex !important;
    flex-direction: column !important;
    flex: 1;
    overflow: hidden;
    height: 100% !important;
    max-height: 100% !important;
  }
  .chat-layout.mobile-chat-open .chat-messages,
  .chat-layout.mobile-chat-open #personal-chat-messages {
    flex: 1;
    overflow-y: auto !important;
    min-height: 0;
  }
  .chat-layout.mobile-chat-open #personal-chat-input-bar {
    flex-shrink: 0;
    padding: 8px 10px !important;
    margin-bottom: 0 !important;
    position: relative;
    z-index: 5;
  }

  /* Contact items — iOS list style */
  .contact-item {
    border-radius: 14px;
    margin: 2px 4px;
    padding: 12px 14px;
    transition: all 0.15s ease;
  }
  .contact-item:active {
    background: rgba(255,255,255,0.1);
    transform: scale(0.98);
  }
  .contact-last-msg {
    font-size: 12px;
    opacity: 0.45;
  }
  .contact-name {
    font-weight: 400;
  }

  /* Chat messages — iOS bubble style */
  .chat-messages {
    padding: 12px 10px !important;
  }
  .message-bubble {
    max-width: 82% !important;
    border-radius: 18px !important;
    padding: 10px 14px !important;
    font-size: 15px;
    line-height: 1.45;
  }
  .message-bubble.sent {
    border-bottom-right-radius: 6px !important;
  }
  .message-bubble.received {
    border-bottom-left-radius: 6px !important;
  }
  .chat-input-area {
    padding: 8px 10px !important;
    background: rgba(0,0,0,0.2) !important;
    border-top: 0.5px solid rgba(255,255,255,0.08);
  }
  .chat-input {
    font-size: 15px !important;
    padding: 10px 18px !important;
    border-radius: 22px !important;
    background: rgba(255,255,255,0.08) !important;
    border: 0.5px solid rgba(255,255,255,0.12) !important;
  }

  /* Chat back button — iOS chevron */
  .mobile-chat-back {
    display: flex;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 22px;
    font-weight: 300;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    margin-right: 6px;
    transition: all 0.15s ease;
  }
  .mobile-chat-back:active {
    transform: scale(0.85);
    opacity: 0.6;
  }

  /* ===== ANNOUNCEMENTS ===== */

  /* Compact section header for announcements */
  #page-announcements .section-header {
    padding: 10px 14px !important;
    margin-bottom: 4px;
  }
  #page-announcements .section-header h1 {
    font-size: 18px;
    margin-bottom: 0;
  }

  /* Container — scrollable card */
  .announcements-container {
    border-radius: 16px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
  }

  /* Content — image on top, text below */
  .announcement-content {
    flex-direction: column !important;
    padding: 0 !important;
    gap: 0;
    min-height: auto !important;
  }

  /* Hero image at top */
  .announcement-image {
    width: 100% !important;
    height: 190px !important;
    min-height: 190px;
    flex-shrink: 0;
    border-radius: 0 !important;
    overflow: hidden;
    order: -1;
  }

  /* Text content below image */
  .announcement-text {
    padding: 16px;
    order: 1;
  }
  .announcement-text h2 {
    font-size: 20px;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
    line-height: 1.3;
  }
  .announcement-text p {
    font-size: 13px;
    line-height: 1.65;
    opacity: 0.9;
  }

  /* Navigation — inline, scrolls with content */
  .announcement-nav {
    position: relative !important;
    bottom: auto !important;
    left: auto !important;
    transform: none !important;
    order: 2;
    padding: 12px 16px !important;
    gap: 14px !important;
    background: rgba(255,255,255,0.06);
    border-radius: 0;
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    justify-content: center;
  }
  .announcement-nav-btn {
    width: 38px !important;
    height: 38px !important;
    background: rgba(255,255,255,0.15) !important;
    border-color: rgba(255,255,255,0.2) !important;
  }
  .announcement-nav-btn:active {
    transform: scale(0.9);
    background: rgba(255,255,255,0.3) !important;
  }
  .announcement-nav-btn img { width: 18px !important; height: 18px !important; }
  .announcement-dots { gap: 8px !important; }
  .announcement-dot {
    width: 10px !important;
    height: 10px !important;
  }

  /* Bottom bar override — show on announcements */
  body.announcements-mode .mobile-bottom-bar {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top-color: rgba(255,255,255,0.06);
  }

  /* ===== PROFILE — iOS settings style ===== */
  .profile-layout {
    flex-direction: column !important;
    gap: 12px;
    max-width: 100% !important;
  }
  .profile-left {
    width: 100% !important;
    padding: 24px 20px;
    border-radius: 18px !important;
    background: rgba(255,255,255,0.05) !important;
    border: 0.5px solid rgba(255,255,255,0.08) !important;
    text-align: center;
  }
  .profile-avatar-wrapper { width: 88px; height: 88px; }
  .profile-right {
    padding: 18px 16px;
    border-radius: 18px !important;
    background: rgba(255,255,255,0.05) !important;
    border: 0.5px solid rgba(255,255,255,0.08) !important;
  }
  .profile-right h3 { font-size: 16px; font-weight: 400; letter-spacing: -0.2px; }
  .profile-input {
    border-radius: 14px !important;
    padding: 12px 16px !important;
    font-size: 15px !important;
    background: rgba(255,255,255,0.06) !important;
    border: 0.5px solid rgba(255,255,255,0.1) !important;
  }
  .profile-input:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb, 255, 165, 0), 0.15) !important;
  }

  /* Mobile logout button */
  .mobile-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: rgba(255, 60, 60, 0.1);
    border: 0.5px solid rgba(255, 60, 60, 0.2);
    border-radius: 14px;
    color: #ff4444;
    font-size: 15px;
    font-family: var(--font-main);
    font-weight: 400;
    cursor: pointer;
    transition: all 0.15s ease;
  }
  .mobile-logout-btn:active {
    transform: scale(0.97);
    background: rgba(255, 60, 60, 0.2);
  }
  .mobile-logout-icon {
    width: 18px;
    height: 18px;
    filter: brightness(0) saturate(100%) invert(35%) sepia(95%) saturate(5000%) hue-rotate(345deg);
  }

  /* ===== ADMIN ===== */
  .admin-layout { flex-direction: column !important; }
  .admin-sidebar {
    width: 100% !important;
    flex-direction: row !important;
    overflow-x: auto;
    gap: 6px;
    padding: 8px !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-radius: 12px !important;
  }
  .admin-sidebar::-webkit-scrollbar { display: none; }
  .admin-tab {
    white-space: nowrap;
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 10px;
  }
  .admin-content { padding: 14px !important; }

  /* ===== MODALS & OVERLAYS ===== */
  .notifications-dropdown {
    right: 8px !important;
    left: 8px !important;
    width: auto !important;
    max-height: 70vh !important;
    border-radius: 16px !important;
  }
  .friends-modal {
    width: calc(100% - 24px) !important;
    right: 12px !important;
    bottom: calc(var(--mobile-bar-h) + 8px) !important;
    max-height: 55vh;
    border-radius: 16px !important;
  }
  .toast {
    bottom: calc(var(--mobile-bar-h) + var(--mobile-safe-bottom) + 14px) !important;
    left: 16px !important;
    right: 16px !important;
    max-width: none !important;
    border-radius: 14px !important;
    transform: none !important;
    text-align: center;
    font-size: 13px !important;
  }

  /* Profile dropdown — full width on mobile */
  .profile-dropdown {
    right: 8px !important;
    left: 8px !important;
    width: auto !important;
    border-radius: 16px !important;
  }

  /* ===== TOUCH FRIENDLY ===== */
  .contact-item,
  .admin-tab,
  .community-tab,
  .mobile-tab,
  .auth-btn,
  .primary-btn {
    min-height: 44px;
  }
  .contacts-list,
  .chat-messages,
  .events-grid,
  .communities-grid,
  .admin-content,
  .main-content,
  .news-grid {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  /* iOS-style spring tap feedback */
  .community-card:active,
  .event-card:active,
  .feed-community-icon:active {
    transform: scale(0.97) !important;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  /* Disable hover effects on touch */
  @media (hover: none) {
    .community-card:hover,
    .feed-community-icon:hover,
    .event-card:hover {
      transform: none !important;
      filter: none !important;
    }
  }

  /* ===== GLASS PANELS — unified look ===== */
  .glass-panel {
    background: rgba(255,255,255,0.04) !important;
    border: 0.5px solid rgba(255,255,255,0.08) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
  }

  /* ===== AUTH PAGE — iOS mobile fullscreen ===== */
  .auth-page {
    align-items: flex-end !important;
    padding: 0 !important;
  }
  .auth-container {
    width: 100% !important;
    max-width: 100% !important;
  }
  .auth-form {
    padding: 24px 20px !important;
    padding-bottom: calc(24px + var(--mobile-safe-bottom)) !important;
    border-radius: 28px 28px 0 0 !important;
    background: rgba(15, 15, 25, 0.85) !important;
    backdrop-filter: blur(50px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(50px) saturate(180%) !important;
    border: none !important;
    border-top: 0.5px solid rgba(255,255,255,0.12) !important;
    box-shadow: 0 -8px 40px rgba(0,0,0,0.4);
  }
  .auth-title {
    font-size: 24px;
    font-weight: 400;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
  }
  .auth-input-group {
    gap: 8px;
    margin-bottom: 12px;
  }
  .auth-input {
    border-radius: 12px !important;
    padding: 12px 16px !important;
    font-size: 15px !important;
    background: rgba(255,255,255,0.08) !important;
    border: 0.5px solid rgba(255,255,255,0.12) !important;
  }
  .auth-input:focus {
    border-color: var(--accent) !important;
    background: rgba(255,255,255,0.12) !important;
  }
  .auth-btn {
    border-radius: 12px !important;
    padding: 12px !important;
    font-size: 15px !important;
    font-weight: 400;
  }
  .auth-btn.primary-btn:active {
    transform: scale(0.98);
  }
  .google-btn {
    border-radius: 12px !important;
    padding: 11px !important;
    font-size: 14px !important;
    font-weight: 400;
    background: rgba(255,255,255,0.06) !important;
    border: 0.5px solid rgba(255,255,255,0.12) !important;
  }
  .google-btn:active {
    transform: scale(0.98);
  }
  .quick-login-btn {
    border-radius: 10px !important;
    padding: 10px !important;
    font-size: 13px !important;
    font-weight: 400;
  }
  .quick-login-btn:active {
    transform: scale(0.98);
    background: rgba(255,255,255,0.15);
  }
  .auth-divider {
    margin: 10px 0;
  }
  .auth-switch {
    margin-top: 10px;
    font-size: 13px;
  }

  /* === Guest warning — mobile layout === */
  .guest-warning {
    margin: 0 !important;
    overflow: hidden !important;
    flex: 1 !important;
  }
  .guest-warning-content {
    position: absolute !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    top: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-end !important;
    padding: 0 !important;
    overflow: hidden !important;
  }
  .guest-warning-img {
    width: 100% !important;
    max-width: none !important;
    max-height: none !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    margin-top: auto !important;
    object-fit: contain !important;
    z-index: 1 !important;
  }
  .guest-overlay {
    position: absolute !important;
    top: 8px !important;
    right: 5vw !important;
    left: auto !important;
    bottom: auto !important;
    width: auto !important;
    max-width: 48vw !important;
    min-width: 150px !important;
    margin: 0 !important;
    padding: 12px 14px !important;
    border-radius: 16px !important;
    box-sizing: border-box !important;
    z-index: 2 !important;
  }
  .guest-overlay p {
    font-size: 11px !important;
    margin-bottom: 8px !important;
    line-height: 1.35 !important;
    text-align: center !important;
  }
  .guest-overlay .guest-login-btn {
    padding: 8px 16px !important;
    font-size: 12px !important;
  }
  .guest-overlay::after {
    bottom: -14px !important;
    left: auto !important;
    right: 24px !important;
    display: block !important;
    transform: scaleX(-1) !important;
  }
  .guest-overlay::before {
    bottom: -16px !important;
    left: auto !important;
    right: 23px !important;
    display: block !important;
    transform: scaleX(-1) !important;
  }
  #page-chat .guest-overlay,
  #page-announcements .guest-overlay {
    margin-bottom: 0 !important;
  }
}

/* ========== PHONE (≤480px) ========== */
@media (max-width: 480px) {
  .main-content {
    padding: 6px 8px;
    padding-bottom: calc(var(--mobile-bar-h) + var(--mobile-safe-bottom) + 8px);
  }

  .top-nav { padding: 6px 10px; min-height: 46px; }

  .feed-community-icons { gap: 6px; }

  .post-banner-content { padding: 12px 14px; }
  .post-avatar { width: 34px; height: 34px; }
  .post-author-name { font-size: 14px; }
  .post-content { font-size: 13px; }

  .section-header h1 { font-size: 18px; }

  .announcement-text h2 { font-size: 18px; }

  .auth-form { padding: 28px 20px !important; }
  .auth-title { font-size: 26px; }

  .profile-avatar-wrapper { width: 80px; height: 80px; }

  .contact-item { padding: 10px 12px; }
  .contact-avatar { width: 40px; height: 40px; }
  .contact-name { font-size: 14px; }

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

  .mobile-tab { min-width: 42px; }
  .mobile-tab span { font-size: 9px; letter-spacing: 0; }
  .mobile-tab-icon { width: 22px; height: 22px; }
  .mobile-tab-svg { width: 22px; height: 22px; }

  .event-card { padding: 14px; }
  .community-card-name { font-size: 18px; }
}