/* Mobile secure chat facelift — desktop unchanged */

@media screen and (max-width: 799px) {
  :root {
    --chat-dock-h: 58px;
    --chat-input-min: 52px;
  }

  body:has(.simple-chat-modal.active) {
    overflow: hidden;
  }

  body:has(.simple-chat-modal.active) .site-dock-wrap,
  body.bot-open .site-dock-wrap {
    display: none !important;
  }

  body.chat-mobile-dock-active .chat-mobile-dock-wrap {
    display: block;
  }

  .simple-chat-modal.active {
    z-index: var(--z-overlay, 10300);
    background: var(--bg-secondary);
    padding: 0 !important;
  }

  .simple-chat-modal.active .chat-overlay {
    display: none;
  }

  .simple-chat-modal.active .chat-container {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
    border: none;
    transform: none;
    box-shadow: none;
    padding: 0;
    box-sizing: border-box;
    background: var(--bg-secondary);
  }

  .simple-chat-modal.active .chat-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    padding-top: calc(10px + env(safe-area-inset-top, 0px));
    min-height: 48px;
    border-top: none;
    border-bottom: none;
  }

  .simple-chat-modal.active .chat-title {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    font-size: 15px;
    font-weight: 700;
    gap: 8px;
  }

  .simple-chat-modal.active .chat-title > span {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .simple-chat-modal.active .mobile-chat-toggle {
    display: none !important;
  }

  .simple-chat-modal.active .chat-close {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 12px;
    background: color-mix(in srgb, var(--text-primary) 6%, transparent);
    color: var(--text-primary);
    -webkit-tap-highlight-color: transparent;
  }

  .simple-chat-modal.active .chat-close .icon {
    width: 22px;
    height: 22px;
    margin: 0;
  }

  .simple-chat-modal.active .chat-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .simple-chat-modal.active .chat-main {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    height: auto !important;
    padding-bottom: 0 !important;
    overflow: hidden;
  }

  .simple-chat-modal.active .chat-welcome {
    flex: 1;
    min-height: 0;
    padding: 20px 16px;
    justify-content: center;
  }

  .simple-chat-modal.active .chat-welcome .icon.big {
    width: 40px;
    height: 40px;
  }

  .simple-chat-modal.active .chat-welcome h3 {
    font-size: 17px;
  }

  .simple-chat-modal.active .chat-welcome p {
    font-size: 13px;
    max-width: 280px;
  }

  .simple-chat-modal.active .chat-room {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .simple-chat-modal.active .chat-room-header {
    flex-shrink: 0;
    padding: 8px 10px;
    min-height: 48px;
    gap: 8px;
  }

  .simple-chat-modal.active .chat-room-header .room-info {
    flex: 1;
    min-width: 0;
    justify-content: flex-start;
  }

  .simple-chat-modal.active .chat-room-header .room-actions {
    display: none !important;
  }

  .simple-chat-modal.active .encrypted-badge {
    font-size: 11px;
  }

  .simple-chat-modal.active .messages-area {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    padding: 10px 12px 8px;
  }

  .simple-chat-modal.active .message-input-area {
    position: relative !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    flex-shrink: 0;
    width: 100%;
    padding: 8px 12px calc(10px + var(--chat-dock-h) + env(safe-area-inset-bottom, 0px));
    margin: 0;
    z-index: 2;
    background: var(--bg-secondary);
    border: none;
    border-top: none;
    box-sizing: border-box;
  }

  .simple-chat-modal.active #simpleMessageInput {
    font-size: 16px;
    min-height: var(--chat-input-min);
    padding: 12px 48px 12px 16px;
    border-radius: 22px;
  }

  .simple-chat-modal.active #simpleSendBtn {
    right: 18px;
    width: 38px;
    height: 38px;
  }

  .simple-chat-modal.active .message-content {
    max-width: 88%;
  }

  /* Users panel — bottom sheet */
  .simple-chat-modal.active .mobile-chat-overlay {
    z-index: 10045;
  }

  .simple-chat-modal.active .mobile-chat-sidebar {
    display: flex;
    flex-direction: column;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: none;
    height: min(78dvh, 520px);
    max-height: calc(100dvh - 56px - env(safe-area-inset-top, 0px));
    border-left: none;
    border-top: 1px solid var(--border-color);
    border-radius: 18px 18px 0 0;
    transform: translateY(100%);
    padding: 0 0 env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -16px 48px rgba(0, 0, 0, 0.35);
  }

  .simple-chat-modal.active .mobile-chat-sidebar.active {
    transform: translateY(0);
  }

  .simple-chat-modal.active .mobile-chat-sidebar-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 0;
  }

  .simple-chat-modal.active .mobile-user-search {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding: 12px 16px;
    margin-bottom: 0;
  }

  .simple-chat-modal.active .mobile-user-search .search-input-wrapper {
    width: 100%;
  }

  .simple-chat-modal.active .mobile-user-search .search-icon,
  .simple-chat-modal.active .mobile-user-search .clear-search {
    top: 50%;
    transform: translateY(-50%);
  }

  .simple-chat-modal.active .mobile-online-users {
    padding: 0 8px 12px;
    max-height: none;
    flex: 1;
    overflow-y: auto;
  }

  .simple-chat-modal.active .mobile-online-users .user-item {
    padding: 12px 8px;
    border-radius: 12px;
  }

  .simple-chat-modal.active .invite-notification {
    top: calc(52px + env(safe-area-inset-top, 0px));
    left: 12px;
    right: 12px;
  }

  /* Chat action dock */
  .chat-mobile-dock-wrap {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-site-dock, 300);
    padding: 6px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    pointer-events: none;
    box-sizing: border-box;
    background: var(--bg-secondary);
    box-shadow: none;
  }

  .chat-mobile-dock {
    pointer-events: auto;
    display: flex;
    align-items: stretch;
    width: 100%;
    max-width: min(440px, 100%);
    margin-inline: auto;
    gap: 4px;
    padding: 4px 5px;
    border-radius: 22px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--text-primary) 7%, transparent) inset,
      0 1px 0 color-mix(in srgb, var(--text-primary) 4%, transparent) inset;
  }

  .chat-dock-seg {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    margin: 0;
    padding: 6px 2px;
    border: none;
    border-radius: 14px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    min-height: 46px;
    box-sizing: border-box;
    font-family: inherit;
  }

  .chat-dock-seg[hidden] {
    display: none !important;
  }

  .chat-dock-seg:active {
    transform: scale(0.96);
  }

  .chat-dock-seg.is-active {
    color: var(--button-primary);
    background: color-mix(in srgb, var(--button-primary) 14%, transparent);
  }

  .chat-dock-seg--danger {
    color: var(--danger-color);
  }

  .chat-dock-seg--danger:active {
    background: color-mix(in srgb, var(--danger-color) 12%, transparent);
  }

  .chat-dock-seg-ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    line-height: 0;
  }

  .chat-dock-seg-ico .icon {
    width: 22px;
    height: 22px;
    margin: 0;
  }

  .chat-dock-seg-lbl {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 2px;
  }

  .chat-dock-bubble {
    position: fixed;
    left: 50%;
    bottom: calc(var(--chat-dock-h) + 12px + env(safe-area-inset-bottom, 0px));
    z-index: 10120;
    box-sizing: border-box;
    width: max-content;
    min-width: min(14rem, calc(100vw - 1.5rem));
    max-width: min(18rem, calc(100vw - 1.5rem));
    padding: 8px 14px;
    border-radius: 12px;
    background: var(--text-primary);
    color: var(--bg-secondary);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.35;
    text-align: center;
    white-space: normal;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-50%) translateY(4px);
    transition: opacity 0.18s ease, transform 0.18s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  }

  .chat-dock-bubble.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@media screen and (min-width: 800px) {
  .chat-mobile-dock-wrap {
    display: none !important;
  }
}