/* B3ST Wiki — мобильная оптимизация */

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

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

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 99;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

body.mobile-nav-open {
  overflow: hidden;
  touch-action: none;
}

body.mobile-nav-open .sidebar-backdrop {
  display: block;
}

@media (hover: none) {
  .card:hover,
  .stat-card:hover,
  .upcoming-card:hover,
  .gallery-item:hover,
  .promo-card:hover {
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 900px) {
  .sidebar {
    display: none !important;
  }

  .main-area {
    margin-left: 0 !important;
  }

  .sidebar-backdrop {
    display: none !important;
  }

  .bottom-nav {
    display: flex;
  }

  .topbar-brand {
    display: flex;
    flex: 1;
  }

  .topbar-search-desktop,
  .topbar-actions-desktop,
  .topbar-desktop-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    opacity: 0;
    pointer-events: none;
  }

  .page-content {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0));
  }

  .b3st-toast {
    bottom: calc(76px + env(safe-area-inset-bottom, 0));
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
    transform: translateY(20px);
    text-align: center;
    border-radius: 12px;
  }

  .b3st-toast.visible {
    transform: translateY(0);
  }

  .sticky-actions {
    bottom: calc(68px + env(safe-area-inset-bottom, 0));
  }

  .topbar {
    height: 56px;
    padding: 0 max(12px, env(safe-area-inset-right)) 0 max(12px, env(safe-area-inset-left));
    gap: 8px;
  }

  #sidebarExpandBtn,
  .mobile-menu-btn,
  .icon-btn {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .search-box {
    min-width: 0;
    flex: 1 1 120px;
  }

  .search-box input {
    font-size: 16px;
    padding: 10px 14px 10px 38px;
    min-height: 44px;
  }

  .topbar-actions {
    gap: 4px;
    flex-shrink: 0;
  }

  .auth-user-name,
  .auth-role-badge {
    display: none;
  }

  .auth-user-chip {
    padding: 6px 8px;
  }

  .auth-top-btn {
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .page-content {
    padding: 16px max(12px, env(safe-area-inset-right)) 24px max(12px, env(safe-area-inset-left));
    max-width: 100%;
  }

  .page-title {
    font-size: 1.35rem;
    line-height: 1.25;
  }

  .page-subtitle {
    margin-bottom: 18px;
    font-size: 0.9rem;
  }

  .hero {
    padding: 24px 18px;
    margin-bottom: 20px;
  }

  .hero h1 { font-size: 1.45rem; }
  .hero p { font-size: 0.95rem; }
  .hero-logo, .auth-logo { width: 72px; height: 72px; }

  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card {
    padding: 16px;
  }

  .section { margin-bottom: 28px; }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-header h2 {
    font-size: 1rem;
  }

  .list-item {
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
  }

  .list-date {
    min-width: 0;
    font-size: 0.8rem;
  }

  .cal-list-item {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .cal-list-item .btn {
    width: 100%;
    justify-content: center;
  }

  .cal-list-main .row-actions,
  .cal-popup-event .row-actions {
    flex-direction: column;
  }

  .cal-popup-event .row-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .module-header {
    gap: 12px;
  }

  .module-toolbar {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .module-toolbar .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .quick-actions {
    gap: 8px;
  }

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

  .guide-content {
    font-size: 0.95rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  .guide-content h2 { font-size: 1.15rem; margin: 22px 0 10px; }
  .guide-content h3 { font-size: 1rem; }

  .guide-content-table-wrap,
  .guide-content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .guide-content th,
  .guide-content td {
    padding: 8px 10px;
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .notifications-panel {
    position: fixed;
    top: calc(56px + env(safe-area-inset-top, 0));
    right: max(8px, env(safe-area-inset-right));
    left: max(8px, env(safe-area-inset-left));
    width: auto;
    max-height: min(70vh, 480px);
  }

  .notif-panel-body {
    max-height: min(55vh, 360px);
    -webkit-overflow-scrolling: touch;
  }

  .search-dropdown {
    max-height: min(50vh, 360px);
    -webkit-overflow-scrolling: touch;
  }

  .cal-page-header {
    margin-bottom: 14px;
  }

  .cal-nav {
    width: 100%;
    justify-content: space-between;
  }

  .cal-nav-month {
    min-width: 0;
    flex: 1;
    font-size: 0.95rem;
  }

  .cal-view-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 12px;
  }

  .cal-view-tabs::-webkit-scrollbar { display: none; }

  .cal-view-tab {
    flex-shrink: 0;
    min-height: 44px;
  }

  .cal-categories {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }

  .cal-categories::-webkit-scrollbar { display: none; }

  .cal-category-btn {
    flex-shrink: 0;
    min-height: 40px;
  }

  .cal-card {
    padding: 10px 8px;
    margin: 0 -4px;
    border-radius: 10px;
  }

  .events-day-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px 16px;
  }

  .events-day-header .btn {
    width: 100%;
    justify-content: center;
  }

  .events-day-body {
    padding: 14px 16px 16px;
  }

  .events-item-head h3 {
    flex: 1 1 100%;
  }

  .events-item-actions {
    flex-direction: column;
  }

  .events-item-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .vs-day-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .rules-tabs.vs-day-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    grid-template-columns: unset;
  }

  .rules-tabs.vs-day-tabs::-webkit-scrollbar { display: none; }

  .rules-tabs .vs-day-tab {
    flex-shrink: 0;
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .vs-day-tab {
    padding: 12px 6px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .vs-day-card,
  .vs-day-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .users-table-wrap,
  .members-table-wrap,
  .perm-matrix-wrap {
    margin: 0 -4px;
    padding: 0 4px 8px;
    -webkit-overflow-scrolling: touch;
  }

  .users-table,
  .members-table {
    min-width: 640px;
  }

  .admin-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

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

  .admin-tab {
    flex-shrink: 0;
    min-height: 44px;
  }

  .sticky-actions {
    position: sticky;
    bottom: max(8px, env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .row-actions {
    flex-wrap: wrap;
  }

  .ann-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .ann-thumb img {
    width: 100%;
    max-width: 140px;
    height: auto;
    aspect-ratio: 4/3;
  }

  .disc-topic-row {
    padding: 12px 0;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .invite-card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .color-picker {
    width: 100%;
  }

  .color-swatches {
    gap: 10px;
  }

  .color-swatch {
    width: 36px;
    height: 36px;
  }

  .time-presets {
    gap: 8px;
  }

  .time-preset-btn {
    min-height: 40px;
    padding: 8px 12px;
  }
}

@media (max-width: 600px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stat-card {
    padding: 14px 10px;
  }

  .stat-value {
    font-size: 1.4rem;
  }

  .promo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .promo-card {
    min-height: 64px;
    padding: 12px 8px;
  }

  .promo-card-code {
    font-size: 0.82rem;
    word-break: break-all;
  }

  .auth-card {
    margin: 8px;
    padding: 20px 16px;
  }

  .auth-page {
    padding: 16px 12px;
    min-height: calc(100vh - 80px);
  }

  .cal-popup {
    max-height: 85vh;
    max-height: 85dvh;
  }

  .cal-popup-body {
    padding: 14px 16px max(20px, env(safe-area-inset-bottom));
  }

  .modal-overlay {
    padding: 12px;
    align-items: flex-end;
  }

  .modal {
    max-height: 90dvh;
    border-radius: 16px 16px 0 0;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

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

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

  .auto-weekdays {
    flex-direction: column;
    align-items: flex-start;
  }

  .auto-slot-row {
    flex-direction: column;
    align-items: stretch;
  }

  .auto-slot-row .btn {
    width: 100%;
  }
}

@media (max-width: 400px) {
  .topbar {
    padding: 0 8px;
  }

  .search-box::before {
    left: 10px;
  }

  .page-content {
    padding-left: 10px;
    padding-right: 10px;
  }

  .calendar-grid {
    gap: 2px;
  }

  .cal-header {
    padding: 4px 1px;
    font-size: 0.62rem;
  }

  .cal-day {
    min-height: 50px;
    padding: 3px 2px;
    border-radius: 6px;
  }

  .cal-day-num {
    font-size: 0.72rem;
    text-align: center;
  }

  .cal-event-chip {
    font-size: 0.5rem;
    padding: 1px 3px;
  }

  .cal-event-chips {
    gap: 1px;
  }

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

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