/* =============================================================================
   SocialConnect — responsive.css
   Loaded AFTER style.css. Covers all breakpoints:
     xs  : max-width  479px  (small phones)
     sm  : max-width  767px  (all phones)
     md  : 768px – 1099px   (tablets)
     lg  : 1100px – 1399px  (small desktop)
     xl  : 1400px+          (large desktop / 4 K)
   ========================================================================== */


/* ============================================================================
   1. CUSTOM SCROLLBARS
   ========================================================================== */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #c4c4c4;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a0a0a0;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: #c4c4c4 transparent;
}

/* Hide scrollbar on touch devices but preserve scroll */
@media (max-width: 767px) {
  .hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .hide-scrollbar::-webkit-scrollbar {
    display: none;
  }
}


/* ============================================================================
   2. BASE HTML / BODY
   ========================================================================== */

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

/* Prevent horizontal overflow everywhere */
*,
*::before,
*::after {
  box-sizing: border-box;
  max-width: 100%;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Prevent any element from causing horizontal scroll */
table {
  max-width: 100%;
}


/* ============================================================================
   3. NAVBAR — Responsive
   ========================================================================== */

/* ── Tablet (768 – 1099 px): center-nav hidden ──────────────────────────────── */
@media (max-width: 1099px) {
  .navbar__nav {
    display: none !important;
  }

  .navbar__search {
    max-width: 200px;
  }
}

/* ── Mobile (< 768 px): minimal navbar ────────────────────────────────────── */
@media (max-width: 767px) {
  .navbar {
    height: 52px;
    min-height: 52px;
  }

  .navbar__inner {
    padding: 0 8px;
    gap: 4px;
    height: 52px;
  }

  .navbar__logo {
    min-width: auto;
  }

  .navbar__logo-text {
    display: none !important;
  }

  /* Hide desktop search bar entirely — replaced by overlay */
  .navbar__search {
    display: none !important;
  }

  /* Keep only essential action buttons on mobile (notifications, logout, profile) */
  .navbar__action-btn:not([data-keep]) {
    /* individual buttons that should stay are marked data-keep in HTML;
       we handle visibility via JS for generated buttons */
  }
}

/* ── Large desktop: spread out navbar ────────────────────────────────────── */
@media (min-width: 1400px) {
  .navbar__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
  }
}


/* ============================================================================
   4. MOBILE SEARCH OVERLAY
   ========================================================================== */

.mobile-search-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--card-bg, #ffffff);
  z-index: 1000;
  padding: 8px 12px;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  border-bottom: 1px solid var(--border, #e4e6ea);
}

.mobile-search-overlay.active {
  display: flex;
}

.mobile-search-overlay input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px; /* 16px prevents iOS auto-zoom */
  background: var(--bg, #f0f2f5);
  border-radius: 20px;
  padding: 8px 16px;
  color: var(--text, #1c1e21);
}

.mobile-search-overlay input::placeholder {
  color: var(--text-secondary, #65676b);
}

.mobile-search-overlay .mobile-search-back,
.mobile-search-overlay .mobile-search-cancel {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  transition: background 0.15s;
  color: var(--text, #1c1e21);
}

.mobile-search-overlay .mobile-search-cancel {
  color: var(--primary, #1877f2);
  font-weight: 600;
  font-size: 14px;
}

.mobile-search-overlay .mobile-search-back {
  font-size: 20px;
}


/* ============================================================================
   5. SIDEBAR OVERLAY BACKDROP + LEFT DRAWER
   ========================================================================== */

/* Backdrop */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 250;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  animation: fadeInOverlay 0.2s ease;
}

.sidebar-overlay.active {
  display: block;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Left sidebar drawer on tablet + mobile ────────────────────────────────── */
@media (max-width: 1099px) {
  .layout__sidebar-left {
    position: fixed;
    top: var(--nav-height, 60px);
    left: 0;
    height: calc(100vh - var(--nav-height, 60px));
    width: 280px;
    max-width: 85vw;
    z-index: 300;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    background: var(--card-bg, #ffffff);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--border, #e4e6ea);
    padding-bottom: 80px; /* space above mobile nav */
  }

  .layout__sidebar-left.drawer-open {
    transform: translateX(0);
  }

  /* Right sidebar hidden on tablet/mobile (accessible via drawer) */
  .layout__sidebar-right {
    display: none;
  }
}

/* ── Layout grid: single column on mobile ─────────────────────────────────── */
@media (max-width: 767px) {
  .layout {
    padding: 0;
    padding-bottom: calc(56px + max(0px, env(safe-area-inset-bottom, 0px)));
  }

  .layout__inner {
    grid-template-columns: 1fr !important;
    gap: 0;
    padding: 0;
    max-width: 100%;
  }

  .layout__feed {
    padding: 0;
    max-width: 100%;
    width: 100%;
  }
}

/* ── Layout grid: single column on tablet, centred ───────────────────────── */
@media (min-width: 768px) and (max-width: 1099px) {
  .layout__inner {
    grid-template-columns: 1fr !important;
    max-width: 680px;
    margin: 0 auto;
    padding: 0 16px;
  }
}


/* ============================================================================
   6. RIGHT SIDEBAR — Slide-in Drawer (tablet / mobile)
   ========================================================================== */

.right-sidebar-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height, 60px);
  right: 0;
  height: calc(100vh - var(--nav-height, 60px));
  width: 300px;
  max-width: 90vw;
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  background: var(--card-bg, #ffffff);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  border-left: 1px solid var(--border, #e4e6ea);
  padding-bottom: 80px;
}

.right-sidebar-drawer.drawer-open {
  transform: translateX(0);
}

@media (max-width: 1099px) {
  .right-sidebar-drawer {
    display: block;
  }
}


/* ============================================================================
   7. DASHBOARD LAYOUT — All Breakpoints
   ========================================================================== */

/* ── Full 3-column on lg / xl ─────────────────────────────────────────────── */
@media (min-width: 1100px) {
  .layout__inner {
    display: grid;
    grid-template-columns: var(--sidebar-left-width, 240px) 1fr var(--sidebar-right-width, 300px);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md, 16px);
    gap: var(--space-md, 16px);
    align-items: start;
  }

  .layout__sidebar-left {
    position: sticky;
    top: calc(var(--nav-height, 60px) + 16px);
    max-height: calc(100vh - var(--nav-height, 60px) - 32px);
    overflow-y: auto;
  }

  .layout__sidebar-right {
    position: sticky;
    top: calc(var(--nav-height, 60px) + 16px);
    max-height: calc(100vh - var(--nav-height, 60px) - 32px);
    overflow-y: auto;
  }
}

/* ── xl (1400 px+): wider columns, bigger max-width ──────────────────────── */
@media (min-width: 1400px) {
  :root {
    --sidebar-left-width: 260px;
    --sidebar-right-width: 320px;
  }

  .layout__inner {
    max-width: 1400px;
    gap: 24px;
  }
}

/* ── 4K / very large screens ─────────────────────────────────────────────── */
@media (min-width: 1920px) {
  :root {
    --font-size-base: 1.0625rem;
  }

  .layout__inner {
    max-width: 1600px;
  }
}


/* ============================================================================
   8. POST CARDS — Mobile
   ========================================================================== */

@media (max-width: 767px) {
  .post-card {
    border-radius: 0;
    margin: 0 0 8px 0;
    border-left: none;
    border-right: none;
  }

  .post-card__content {
    font-size: 0.9375rem;
    padding: 0 12px 8px;
  }

  .post-card__header {
    padding: 12px 12px 8px;
  }

  .post-card__media {
    margin: 8px 0 0;
  }

  .post-card__media--hero {
    margin: 0;
  }

  .post-card__media-grid .post-card__img-wrap:first-child img {
    min-height: 200px;
  }

  /* Hide action label text — keep icons only */
  .post-card__action-btn span {
    display: none;
  }

  .post-card__action-btn {
    padding: 10px;
    min-width: 0;
    gap: 0;
    font-size: 0;
    height: 44px;
  }

  .post-card__action-btn svg,
  .post-card__action-btn i {
    font-size: 20px;
    width: 22px;
    height: 22px;
  }

  .post-card__actions {
    padding: 2px 4px;
    gap: 0;
    justify-content: space-around;
  }

  .post-card__action-divider {
    display: none;
  }

  .post-card__stats {
    padding: 6px 12px;
    min-height: 32px;
  }

  .post-card__stats-right {
    gap: 8px;
  }

  .create-post {
    border-radius: 0;
    margin-bottom: 8px;
    border-left: none;
    border-right: none;
  }

  .create-post__input {
    font-size: 16px;
  }

  .story-bar {
    margin-bottom: 8px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

/* ── Tablet: slight adjustments ──────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1099px) {
  .post-card {
    border-radius: var(--radius, 8px);
  }

  .post-card__content {
    font-size: 0.9375rem;
  }
}


/* ============================================================================
   9. PROFILE PAGE — Mobile
   ========================================================================== */

@media (max-width: 767px) {
  .profile-cover {
    height: 160px;
    border-radius: 0;
  }

  .profile-info-bar {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 12px 12px;
    gap: 10px;
  }

  .profile-avatar-wrapper {
    margin-top: -50px;
  }

  .profile-avatar--large {
    width: 96px !important;
    height: 96px !important;
    border-width: 3px !important;
  }

  .profile-name {
    font-size: 1.25rem;
  }

  .profile-bio {
    font-size: 0.875rem;
    max-width: 90vw;
  }

  .profile-stats {
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
  }

  .profile-stat {
    text-align: center;
  }

  .profile-actions {
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
  }

  .profile-actions .btn {
    flex: 1;
    min-width: 80px;
    font-size: 13px;
    padding: 8px 10px;
  }

  /* Horizontally scrollable tabs */
  .profile-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-bottom: 1px solid var(--border, #e4e6ea);
  }

  .profile-tabs::-webkit-scrollbar {
    display: none;
  }

  .profile-tabs__inner {
    display: flex;
    width: max-content;
    min-width: 100%;
  }

  .profile-tab-btn {
    white-space: nowrap;
    padding: 12px 16px;
    font-size: 14px;
    flex-shrink: 0;
  }

  .profile-content {
    padding: 8px;
    min-height: 60vh;
  }

  /* Photos: 3 columns, no gap */
  .photo-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 2px !important;
  }

  .photo-grid__item {
    border-radius: 0;
    aspect-ratio: 1;
  }

  /* Friends: 2 columns */
  .friends-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
}

/* ── Tablet profile ───────────────────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1099px) {
  .profile-info-bar {
    gap: 16px;
    padding: 0 16px 16px;
  }

  .profile-stats {
    gap: 32px;
  }

  .profile-cover {
    height: 220px;
  }

  .photo-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }

  .friends-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}


/* ============================================================================
   10. ADMIN DASHBOARD — Responsive
   ========================================================================== */

/* Hamburger button for admin sidebar */
.admin-hamburger {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1000;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary, #1877f2);
  border: none;
  cursor: pointer;
  color: white;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: background 0.2s ease, transform 0.1s ease;
}

.admin-hamburger:hover {
  background: var(--primary-dark, #166fe5);
}

.admin-hamburger:active {
  transform: scale(0.95);
}

/* ── Tablet: collapse admin sidebar to drawer ─────────────────────────────── */
@media (max-width: 1099px) {
  .admin-hamburger {
    display: flex;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 400;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0 !important;
    padding: 16px;
    padding-top: 72px;
  }

  .admin-topbar {
    padding-left: 64px;
  }

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

/* ── Mobile admin ─────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  .admin-stat-cards {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
  }

  .admin-stat-card {
    padding: 16px !important;
  }

  .admin-stat-card__value {
    font-size: 1.5rem !important;
  }

  .admin-stat-card__label {
    font-size: 12px;
  }

  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius, 8px);
  }

  /* Hide less-important columns on small screens */
  .admin-table th:nth-child(3),
  .admin-table td:nth-child(3),
  .admin-table th:nth-child(4),
  .admin-table td:nth-child(4) {
    display: none;
  }

  .admin-topbar {
    padding: 8px 16px 8px 64px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .admin-search {
    width: 100%;
    max-width: none !important;
    order: 2;
  }

  .admin-topbar-actions {
    order: 1;
  }

  .admin-page-title {
    font-size: 1.125rem;
  }

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

  /* Stack admin form rows */
  .admin-form-row {
    flex-direction: column;
  }

  .admin-form-row > * {
    width: 100% !important;
  }
}

/* ── xs: very small phones ────────────────────────────────────────────────── */
@media (max-width: 479px) {
  .admin-stat-cards {
    grid-template-columns: 1fr !important;
  }

  .admin-stat-card {
    padding: 12px !important;
  }
}


/* ============================================================================
   11. CHAT WINDOWS — Responsive
   ========================================================================== */

/* Mobile: full-width panels */
@media (max-width: 767px) {
  .chat-launcher {
    bottom: calc(56px + 14px + max(0px, env(safe-area-inset-bottom, 0px)));
    right: 16px;
    width: 52px;
    height: 52px;
    font-size: 22px;
  }

  .chat-list-panel {
    position: fixed;
    bottom: calc(56px + max(0px, env(safe-area-inset-bottom, 0px)));
    right: 0;
    left: 0;
    width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 70vh;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  }

  /* Floating chat panel on mobile — not full screen */
  .chat-window {
    position: fixed !important;
    bottom: 0 !important;
    right: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 85vh !important;
    border-radius: 16px 16px 0 0 !important;
    z-index: 350;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  }

  .chat-window__header {
    padding: 10px 14px;
    flex-shrink: 0;
  }

  .chat-window__messages {
    flex: 1;
    overflow-y: auto;
  }

  .chat-window__input-bar {
    flex-shrink: 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom, 8px));
  }

  .chat-window__minimize {
    display: flex;
  }

  .chat-message {
    max-width: 85%;
  }
}

/* Tablet: slightly smaller chat windows */
@media (min-width: 768px) and (max-width: 1099px) {
  .chat-window {
    width: 300px;
    height: 400px;
  }

  .chat-launcher {
    bottom: 24px;
    right: 24px;
  }
}


/* ============================================================================
   12. MODALS — Mobile Bottom Sheet
   ========================================================================== */

@media (max-width: 767px) {
  .modal-overlay {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  .modal {
    border-radius: 20px 20px 0 0 !important;
    max-height: 92vh !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    animation: slideUpSheet 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  @keyframes slideUpSheet {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }

  .modal__header {
    padding: 20px 16px 12px !important;
    position: relative;
  }

  /* Drag handle indicator */
  .modal__header::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border, #e4e6ea);
    border-radius: 2px;
    margin: 0 auto 14px;
  }

  .modal__body {
    padding: 0 16px 16px !important;
  }

  .modal__footer {
    padding: 12px 16px !important;
    flex-direction: column-reverse;
    gap: 8px;
  }

  .modal__footer .btn {
    width: 100%;
    justify-content: center;
  }

  .modal__title {
    font-size: 1.125rem;
    text-align: center;
  }
}

/* Tablet: contained modal */
@media (min-width: 768px) and (max-width: 1099px) {
  .modal {
    max-width: 520px;
    width: 90%;
  }
}


/* ============================================================================
   13. AUTH PAGES — Mobile
   ========================================================================== */

@media (max-width: 767px) {
  .auth-page {
    padding: 0;
    align-items: flex-start;
    overflow-y: auto;
    min-height: 100vh;
  }

  .auth-card {
    width: 100%;
    min-height: 100vh;
    border-radius: 0;
    padding: 32px 20px 40px;
    box-shadow: none;
  }

  .auth-card .logo {
    margin-bottom: 24px;
  }

  .auth-card h1,
  .auth-card h2 {
    font-size: 1.5rem;
  }

  .auth-card .subtitle {
    font-size: 0.875rem;
  }

  /* Hide decorative blobs on mobile */
  .blob {
    display: none !important;
  }

  .auth-steps {
    margin-bottom: 20px;
  }

  /* Social auth buttons full width */
  .auth-social-btn {
    width: 100%;
    justify-content: center;
  }

  .auth-divider {
    margin: 16px 0;
  }
}

/* Tablet auth */
@media (min-width: 768px) and (max-width: 1099px) {
  .auth-card {
    max-width: 480px;
    padding: 40px 36px;
  }

  .auth-page {
    padding: 32px 16px;
  }
}


/* ============================================================================
   14. BOTTOM NAVIGATION — Mobile Only
   ========================================================================== */

.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--card-bg, #ffffff);
  border-top: 1px solid var(--border, #e4e6ea);
  z-index: 200;
  padding: 0;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
  align-items: stretch;
}

@media (max-width: 767px) {
  .mobile-nav {
    display: flex;
  }
}

.mobile-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--text-secondary, #65676b);
  font-size: 10px;
  font-weight: 500;
  padding: 6px 4px;
  cursor: pointer;
  border: none;
  background: none;
  position: relative;
  transition: color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav__item:hover {
  color: var(--primary, #1877f2);
}

.mobile-nav__item.active {
  color: var(--primary, #1877f2);
}

.mobile-nav__item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Animated active indicator dot */
.mobile-nav__item.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--primary, #1877f2);
  border-radius: 50%;
}

/* Notification badge */
.mobile-nav__badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 18px);
  min-width: 16px;
  height: 16px;
  background: var(--danger, #fa383e);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  border: 2px solid var(--card-bg, #ffffff);
  line-height: 1;
}

/* Bump badge off-screen when count is 0 */
.mobile-nav__badge:empty {
  display: none;
}


/* ============================================================================
   15. TOUCH IMPROVEMENTS
   ========================================================================== */

@media (max-width: 767px) {
  /* Minimum 44 × 44 px touch targets (WCAG 2.5.5) */
  .btn {
    min-height: 44px;
  }

  .navbar__action-btn {
    width: 44px;
    height: 44px;
  }

  .post-card__action-btn {
    min-height: 44px;
  }

  /* Prevent iOS from zooming on form focus */
  input,
  select,
  textarea {
    font-size: 16px !important;
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px !important;
    padding: 12px 14px !important;
  }

  /* Tactile press feedback */
  .btn:active {
    opacity: 0.85;
    transform: scale(0.97);
  }

  .post-card__action-btn:active {
    background: var(--bg, #f0f2f5);
  }

  .mobile-nav__item:active {
    opacity: 0.7;
  }

  /* Increase tap size for sidebar nav links */
  .sidebar-nav__item {
    min-height: 44px;
  }

  /* Bigger icon buttons */
  .icon-btn {
    min-width: 44px;
    min-height: 44px;
  }
}


/* ============================================================================
   16. STORY BAR — Horizontal Scroll
   ========================================================================== */

.story-bar {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.story-bar::-webkit-scrollbar {
  display: none;
}

.story-bar__scroll {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  width: max-content;
  min-width: 100%;
}

.story-card {
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.story-card:active {
  transform: scale(0.95);
}

@media (max-width: 767px) {
  .story-card {
    width: 80px;
  }

  .story-card__avatar {
    width: 56px;
    height: 56px;
  }

  .story-card__label {
    font-size: 11px;
    max-width: 72px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}


/* ============================================================================
    17. NOTIFICATION DROPDOWN — Mobile Full-Width
    ========================================================================== */

@media (max-width: 767px) {
  .notifications-dropdown {
    position: fixed !important;
    top: 52px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    border-radius: 0 0 16px 16px !important;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
  }

  .notifications-dropdown__header {
    padding: 12px 16px;
    position: sticky;
    top: 0;
    background: var(--card-bg, #ffffff);
    z-index: 1;
    border-bottom: 1px solid var(--border, #e4e6ea);
  }

  .notifications-dropdown__header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
  }

  /* Mobile close button for notifications */
  .notifications-dropdown__close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .notifications-dropdown__close:hover {
    background: var(--bg);
    color: var(--text);
  }

  .notification-item {
    padding: 12px 16px;
    min-height: 64px;
  }

  .notification-item__actions {
    position: absolute;
    right: 16px;
    bottom: 12px;
  }
}

/* Tablet: contained dropdown */
@media (min-width: 768px) and (max-width: 1099px) {
  .notifications-dropdown {
    width: 360px;
    right: 0;
    left: auto;
  }
}


/* ============================================================================
   18. FORMS — Tablet + Mobile Optimization
   ========================================================================== */

/* Tablet: two-column form rows */
@media (min-width: 768px) and (max-width: 1099px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .form-row-3 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

/* Mobile: single column everything */
@media (max-width: 767px) {
  .form-row-2,
  .form-row-3 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .modal__footer {
    flex-direction: column-reverse;
    gap: 8px;
  }

  .modal__footer .btn {
    width: 100%;
    justify-content: center;
  }

  /* Full-width submit buttons */
  .form-submit {
    width: 100%;
  }

  .form-label {
    font-size: 14px;
  }

  /* Bigger checkboxes and radios for touch */
  input[type="checkbox"],
  input[type="radio"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    cursor: pointer;
  }
}


/* ============================================================================
   19. LARGE SCREEN OPTIMIZATIONS
   ========================================================================== */

@media (min-width: 1400px) {
  .layout__inner {
    max-width: 1400px;
    gap: 24px;
  }

  .post-card__content {
    font-size: 1.0625rem;
  }

  .post-card__header {
    padding: 16px 16px 10px;
  }

  .admin-stat-cards {
    grid-template-columns: repeat(5, 1fr);
  }

  .photo-grid {
    grid-template-columns: repeat(5, 1fr) !important;
  }

  .friends-grid {
    grid-template-columns: repeat(5, 1fr) !important;
  }
}

@media (min-width: 1920px) {
  :root {
    --font-size-base: 1.0625rem;
  }

  .layout__inner {
    max-width: 1600px;
  }

  .post-card__content {
    font-size: 1.125rem;
    line-height: 1.65;
  }

  .navbar__inner {
    max-width: 1600px;
  }
}


/* ============================================================================
   20. SCROLL CONTAINERS
   ========================================================================== */

/* Sidebar scrollbar: invisible until hover */
.layout__sidebar-left,
.layout__sidebar-right {
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  transition: scrollbar-color 0.2s;
}

.layout__sidebar-left:hover,
.layout__sidebar-right:hover {
  scrollbar-color: #c4c4c4 transparent;
}

.layout__sidebar-left::-webkit-scrollbar,
.layout__sidebar-right::-webkit-scrollbar {
  width: 4px;
}

.layout__sidebar-left::-webkit-scrollbar-thumb,
.layout__sidebar-right::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 2px;
  transition: background 0.2s;
}

.layout__sidebar-left:hover::-webkit-scrollbar-thumb,
.layout__sidebar-right:hover::-webkit-scrollbar-thumb {
  background: #c4c4c4;
}

/* Feed */
.layout__feed {
  overflow-y: visible;
  min-height: calc(100vh - var(--nav-height, 60px));
}

/* Profile content minimum height */
@media (max-width: 767px) {
  .profile-content {
    min-height: 60vh;
  }
}

/* Admin table horizontal scroll */
.admin-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius, 8px);
  /* Fade edge hint */
  background:
    linear-gradient(to right, var(--card-bg, #fff) 10px, transparent 40px),
    linear-gradient(to left,  var(--card-bg, #fff) 10px, transparent 40px) 100% 0,
    radial-gradient(farthest-side at 0 50%, rgba(0,0,0,.06), transparent),
    radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,.06), transparent) 100% 0;
  background-repeat: no-repeat;
  background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
  background-attachment: local, local, scroll, scroll;
}

/* Chat message container */
.chat-window__messages {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #c4c4c4 transparent;
}

.chat-window__messages::-webkit-scrollbar {
  width: 4px;
}

.chat-window__messages::-webkit-scrollbar-thumb {
  background: #c4c4c4;
  border-radius: 2px;
}


/* ============================================================================
   21. SAFE AREA — iPhone Notch / Home Bar Support
   ========================================================================== */

@supports (padding: max(0px)) {
  /* Bottom nav grows to accommodate home bar */
  .mobile-nav {
    padding-bottom: max(0px, env(safe-area-inset-bottom));
    height: calc(56px + max(0px, env(safe-area-inset-bottom)));
  }

  /* Reserve space so content isn't hidden behind mobile-nav */
  body {
    padding-bottom: calc(56px + max(0px, env(safe-area-inset-bottom)));
  }

  /* Remove extra padding on tablet/desktop */
  @media (min-width: 768px) {
    body {
      padding-bottom: 0;
    }

    .mobile-nav {
      height: 56px;
      padding-bottom: 0;
    }
  }

  /* Navbar top padding for status bar (iOS PWA) */
  .navbar {
    padding-top: env(safe-area-inset-top);
  }

  /* Chat window keyboard avoidance */
  .chat-window {
    padding-bottom: env(safe-area-inset-bottom);
  }

  /* Auth page top padding on notched phones */
  @media (max-width: 767px) {
    .auth-card {
      padding-top: calc(32px + env(safe-area-inset-top));
    }
  }
}


/* ============================================================================
   22. SIDEBAR SCROLL INDICATOR (fade shadow at bottom)
   ========================================================================== */

.sidebar-scroll-wrap {
  position: relative;
  overflow: hidden;
  flex: 1;
  min-height: 0;
}

/* Gradient fade at bottom of sidebar to hint at more content */
.sidebar-scroll-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--card-bg, #ffffff));
  pointer-events: none;
  opacity: var(--scroll-shadow-opacity, 1);
  transition: opacity 0.2s;
}

/* Complementary top fade when scrolled down */
.sidebar-scroll-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(to top, transparent, var(--card-bg, #ffffff));
  pointer-events: none;
  z-index: 1;
  opacity: var(--scroll-shadow-top-opacity, 0);
  transition: opacity 0.2s;
}


/* ============================================================================
   23. SCROLL NAVIGATION — Hidden for all users
   ========================================================================== */

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


/* ============================================================================
   EXTRA: Miscellaneous Responsive Utilities
   ========================================================================== */

/* Responsive typography scale */
@media (max-width: 767px) {
  h1 { font-size: clamp(1.375rem, 5vw, 1.75rem); }
  h2 { font-size: clamp(1.125rem, 4vw, 1.375rem); }
  h3 { font-size: clamp(1rem, 3.5vw, 1.125rem); }
}

/* Responsive spacing helpers */
@media (max-width: 767px) {
  .p-responsive  { padding: 12px; }
  .px-responsive { padding-left: 12px; padding-right: 12px; }
}

@media (min-width: 768px) {
  .p-responsive  { padding: 20px; }
  .px-responsive { padding-left: 20px; padding-right: 20px; }
}

/* Hide/show utilities */
.hide-on-mobile  { }
.hide-on-tablet  { }
.show-on-mobile  { display: none; }
.show-on-tablet  { display: none; }

@media (max-width: 767px) {
  .hide-on-mobile { display: none !important; }
  .show-on-mobile { display: revert !important; }
}

@media (min-width: 768px) and (max-width: 1099px) {
  .hide-on-tablet { display: none !important; }
  .show-on-tablet { display: revert !important; }
}

/* Responsive images in posts */
.post-card__media:not(.post-card__media--hero) img,
.post-card__media:not(.post-card__media--hero) video {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (max-width: 767px) {
  .post-card__media:not(.post-card__media--hero) img,
  .post-card__media:not(.post-card__media--hero) video {
    max-height: 60vw;
    object-position: center;
  }
}

/* Responsive avatar sizes */
@media (max-width: 479px) {
  .avatar--md { width: 36px !important; height: 36px !important; }
  .avatar--lg { width: 48px !important; height: 48px !important; }
}

/* Floating action button (create post on mobile) */
.fab {
  display: none;
  position: fixed;
  bottom: calc(56px + 16px + max(0px, env(safe-area-inset-bottom, 0px)));
  right: 16px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary, #1877f2);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 24px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(24, 119, 242, 0.45);
  z-index: 190;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (max-width: 767px) {
  .fab { display: flex; }
}

.fab:active {
  transform: scale(0.94);
  box-shadow: 0 2px 8px rgba(24, 119, 242, 0.35);
}

/* Skeleton loader — responsive */
.skeleton {
  background: linear-gradient(90deg, var(--bg, #f0f2f5) 25%, var(--border, #e4e6ea) 50%, var(--bg, #f0f2f5) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius, 8px);
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* Dropdown menus — full-width on mobile */
@media (max-width: 767px) {
  .dropdown-menu {
    position: fixed !important;
    left: 8px !important;
    right: 8px !important;
    bottom: auto;
    top: auto;
    width: auto !important;
    max-width: none !important;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  }
}

/* Post compose area — compact on mobile */
@media (max-width: 767px) {
  .create-post__tools {
    flex-wrap: wrap;
    gap: 4px;
  }

  .create-post__tool-btn span {
    display: none;
  }

  .create-post__tool-btn {
    padding: 8px;
  }

  .create-post__avatar {
    width: 36px;
    height: 36px;
  }

  .create-post__header {
    gap: 8px;
    padding: 10px 12px;
  }
}

/* Comment box — mobile */
@media (max-width: 767px) {
  .comment-input-wrap {
    gap: 6px;
    padding: 8px 12px;
  }

  .comment-input {
    font-size: 14px;
    padding: 8px 12px;
  }

  .comment-avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }
}

/* Friend / suggested user cards */
@media (max-width: 479px) {
  .user-card {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    text-align: left;
  }

  .user-card__avatar {
    flex-shrink: 0;
  }

  .user-card__actions {
    margin-top: 0;
    margin-left: auto;
  }
}

/* Notification pill — mobile */
@media (max-width: 767px) {
  .notif-popup {
    position: fixed;
    bottom: calc(56px + 12px + max(0px, env(safe-area-inset-bottom, 0px)));
    left: 8px;
    right: 8px;
    border-radius: 12px;
    z-index: 500;
    animation: slideUpSheet 0.3s ease;
  }
}

/* Ensure images in sidebar are capped */
.layout__sidebar-left img,
.layout__sidebar-right img {
  max-width: 100%;
  height: auto;
}

/* Responsive video embeds (16:9 ratio) */
.video-embed-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius, 8px);
}

.video-embed-wrap iframe,
.video-embed-wrap video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Truncate long usernames / text on mobile */
@media (max-width: 767px) {
  .user-name,
  .post-card__username {
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Responsive grid columns for explore / search results */
.explore-grid {
  display: grid;
  gap: 4px;
}

@media (max-width: 479px) {
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 480px) and (max-width: 767px) {
  .explore-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) and (max-width: 1099px) {
  .explore-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1100px) {
  .explore-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Settings page — two-panel layout collapses on mobile */
@media (max-width: 767px) {
  .settings-layout {
    grid-template-columns: 1fr !important;
  }

  .settings-sidebar {
    display: none;
  }

  .settings-sidebar.mobile-visible {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 400;
    overflow-y: auto;
    background: var(--card-bg, #ffffff);
  }
}

@media (min-width: 768px) and (max-width: 1099px) {
  .settings-layout {
    grid-template-columns: 200px 1fr !important;
  }
}

/* =============================================================================
   END OF responsive.css
   ============================================================================ */