:root {
    --font-size: 15px;
    --bg-main: #0e1621; --bg-side: #17212b; --bg-active: #2b5278;
    --bg-msg-in: #182533; --bg-msg-out: #2b5278;
    --text-primary: #f5f5f5; --text-secondary: #7f91a4;
    --accent: #5288c1; --border: #0e1621; --admin-badge: #e53935;
    --lock-color: #81c784; --check-read: #64b5f6;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, Helvetica, Arial, sans-serif; -webkit-tap-highlight-color: transparent; }
html, body { background: var(--bg-main); color: var(--text-primary); width: 100%; height: 100%; overflow: hidden; position: fixed; top: 0; left: 0; touch-action: none; font-size: var(--font-size); }
#appRoot { display: flex; width: 100%; height: 100%; position: absolute; top: 0; left: 0; overflow: hidden; }

/* Сайдбар */
.sidebar { width: 320px; background: var(--bg-side); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; height: 100%; z-index: 10; }
.sidebar-header { padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.user-profile-bar { display: flex; align-items: center; gap: 10px; cursor: pointer; flex: 1; overflow: hidden; }
.user-profile-bar .avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.user-name { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.badge-role { font-size: 9px; padding: 1px 5px; border-radius: 4px; text-transform: uppercase; font-weight: 700; }
.badge-admin { background: var(--admin-badge); color: #fff; }
.badge-owner { background: #fbc02d; color: #000; font-weight: 800; }
.badge-user { background: #37474f; color: #b0bec5; }
.sidebar-actions { display: flex; align-items: center; gap: 6px; }
.btn-icon { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 18px; padding: 4px; border-radius: 50%; }
/* Exit is intentionally kept in Profile settings, away from the New Chat action. */
.btn-profile-logout {margin-top:14px;min-height:48px;width:100%;border:1px solid rgba(255,128,128,.36);border-radius:12px;background:rgba(229,57,53,.12);color:#ffb6b6;font-size:16px;font-weight:600;cursor:pointer;touch-action:manipulation;}
#btnSidebarNewChat {min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(82,136,193,.20);color:#fff;font-size:25px;font-weight:600;flex-shrink:0;}
#btnSidebarNewChat:focus-visible,.btn-profile-logout:focus-visible {outline:3px solid #81c7ff;outline-offset:2px;}

.chat-list { overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.chat-item { display: flex; align-items: center; padding: 12px 16px; cursor: pointer; }
.chat-item.active { background: var(--bg-active); }
.avatar { width: 46px; height: 46px; border-radius: 50%; margin-right: 12px; background: #242f3d; flex-shrink: 0; object-fit: cover; }
.chat-info { flex: 1; overflow: hidden; }
.chat-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.chat-title-text { display: flex; align-items: center; gap: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-preview-row { display: flex; justify-content: space-between; align-items: center; }
.chat-preview { font-size: 13.5px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; padding-right: 10px; }
.unread-badge { background: #23a55a; color: #fff; border-radius: 12px; padding: 2px 7px; font-size: 11px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }

/* Заглушка при 0 чатов */
.empty-state-box { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; padding: 30px; text-align: center; color: var(--text-secondary); gap: 14px; }
.empty-state-icon { font-size: 48px; opacity: 0.6; }
.empty-state-text { font-size: 15px; line-height: 1.4; max-width: 260px; }
.btn-empty-action { background: var(--accent); color: #fff; border: none; padding: 10px 18px; border-radius: 10px; font-weight: 600; cursor: pointer; }

/* Область чата */
.chat-area { flex: 1; height: 100%; display: flex; flex-direction: column; background: var(--bg-main); position: relative; min-width: 0; }
.chat-header { background: var(--bg-side); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 8px 16px; padding-top: max(8px, env(safe-area-inset-top)); flex-shrink: 0; z-index: 20; height: 56px; box-sizing: content-box; gap: 8px; }
.chat-header-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.chat-header-title { font-size: 1rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 6px; }
.chat-header-sub { font-size: 0.78rem; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.chat-typing-status { color: #81c784; font-weight: 600; display: none; }

/* Закрепленное сообщение */
.pinned-msg-bar { background: rgba(23, 33, 43, 0.95); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 6px 16px; display: none; align-items: center; justify-content: space-between; border-left: 3px solid var(--accent); cursor: pointer; z-index: 18; }
.pinned-msg-content { display: flex; flex-direction: column; overflow: hidden; }
.pinned-msg-title { font-size: 11px; font-weight: 700; color: #64b5f6; }
.pinned-msg-text { font-size: 12px; color: #cfd8dc; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Каталог групп */
.public-chat-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; background: var(--bg-main); border-radius: 10px; margin-bottom: 6px; cursor: pointer; }
.public-chat-item:active { background: var(--bg-active); }
.public-chat-left { display: flex; align-items: center; gap: 8px; overflow: hidden; }
.public-chat-left img { width: 34px; height: 34px; border-radius: 50%; }
.public-chat-name { font-size: 14px; font-weight: 600; text-align: left; }
.public-chat-sub { font-size: 12px; color: var(--text-secondary); text-align: left; }
.public-chat-join-btn { background: var(--accent); color: #fff; border: none; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; }

/* Канал: только чтение */
.channel-readonly-bar { background: var(--bg-side); padding: 14px; text-align: center; color: var(--text-secondary); font-size: 14px; border-top: 1px solid var(--border); }

.header-actions { display: flex; align-items: center; gap: 6px; }
.btn-header-action { background: rgba(255,255,255,0.08); border: none; color: #fff; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; font-weight: 700; flex-shrink: 0; }
.btn-header-call { color: #81c784; font-size: 1.1rem; }

#emptyChatOverlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-main); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); font-size: 16px; z-index: 50; }

.messages-container { flex: 1; overflow-y: scroll; padding: 16px 20px; display: flex; flex-direction: column; gap: 8px; -webkit-overflow-scrolling: touch; touch-action: pan-y; }
.message { max-width: 72%; display: flex; flex-direction: column; padding: 8px 12px; border-radius: 16px; font-size: 1rem; line-height: 1.35; word-break: break-word; position: relative; cursor: pointer; }
.message.incoming { align-self: flex-start; background: var(--bg-msg-in); border-bottom-left-radius: 4px; }
.message.outgoing { align-self: flex-end; background: var(--bg-msg-out); border-bottom-right-radius: 4px; }

.message-forward-box { font-size: 11px; color: #64b5f6; margin-bottom: 3px; font-style: italic; }
.message-author-row { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.message-author { font-size: 0.8rem; font-weight: 600; color: #64b5f6; }
.message-meta { display: flex; align-items: center; gap: 4px; align-self: flex-end; margin-top: 4px; margin-left: 8px; font-size: 0.72rem; color: var(--text-secondary); }
.message-lock { font-size: 10px; color: var(--lock-color); }
.message-edited { font-size: 10px; opacity: 0.8; }
.message-check { font-size: 12px; font-weight: 700; letter-spacing: -2px; margin-left: 2px; }
.message-check.read { color: var(--check-read); }

.mobile-action-trigger { background: rgba(255,255,255,0.06); border: none; color: #cfd8dc; font-size: 16px; cursor: pointer; width: 32px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; margin-left: 4px; }

.msg-reactions-row { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.reaction-chip { background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 2px 6px; font-size: 12px; display: flex; align-items: center; gap: 4px; cursor: pointer; }
.reaction-chip.my-react { border-color: var(--accent); background: rgba(82, 136, 193, 0.3); }

.file-bubble { display: flex; align-items: center; gap: 10px; padding: 4px 2px; min-width: 180px; text-decoration: none; color: inherit; }
.file-icon-box { width: 42px; height: 42px; border-radius: 10px; background: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.file-details { display: flex; flex-direction: column; overflow: hidden; }
.file-name { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.file-size { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

.message-photo { width: 100%; max-width: 320px; min-height: 120px; border-radius: 10px; margin-bottom: 4px; cursor: pointer; display: block; background: #1c2733; object-fit: cover; }
.reply-quote { background: rgba(0,0,0,0.22); border-left: 3px solid #64b5f6; padding: 4px 8px; border-radius: 4px; margin-bottom: 6px; font-size: 12px; cursor: pointer; }
.reply-quote-author { font-weight: 600; color: #64b5f6; margin-bottom: 1px; }
.reply-quote-text { color: #cfd8dc; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }

.voice-bubble { display: flex; align-items: center; gap: 10px; min-width: 190px; padding: 4px 2px; }
.btn-play-voice { width: 38px; height: 38px; border-radius: 50%; background: var(--accent); border: none; color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; flex-shrink: 0; }
.voice-waveform-wrap { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.voice-waveform { height: 14px; display: flex; align-items: center; gap: 2px; opacity: 0.7; }
.voice-bar { width: 3px; border-radius: 2px; background: #fff; }
.voice-duration { font-size: 11px; color: var(--text-secondary); font-family: monospace; }

.btn-scroll-bottom { position: absolute; right: 20px; bottom: 74px; width: 44px; height: 44px; border-radius: 50%; background: #242f3d; border: 1px solid rgba(255,255,255,0.15); color: #cfd8dc; font-size: 18px; cursor: pointer; display: none; align-items: center; justify-content: center; z-index: 25; box-shadow: 0 4px 14px rgba(0,0,0,0.5); }
.btn-scroll-bottom:active { transform: scale(0.92); background: var(--accent); color: #fff; }

.action-banner { background: var(--bg-side); border-top: 1px solid var(--border); padding: 8px 16px; display: none; align-items: center; justify-content: space-between; border-left: 3px solid var(--accent); z-index: 15; }
.action-banner-content { display: flex; flex-direction: column; overflow: hidden; }
.action-banner-title { font-size: 12px; font-weight: 700; color: #64b5f6; }
.action-banner-text { font-size: 12px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.action-banner-close { background: none; border: none; color: var(--text-secondary); font-size: 16px; cursor: pointer; padding: 4px; }

.input-bar { padding: 8px 14px; padding-bottom: max(8px, env(safe-area-inset-bottom)); background: var(--bg-side); display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--border); flex-shrink: 0; z-index: 20; position: relative; }
.btn-attach { background: none; border: none; color: var(--text-secondary); font-size: 20px; cursor: pointer; padding: 4px; }
.input-bar input[type="text"] { flex: 1; background: var(--bg-main); border: 1px solid transparent; border-radius: 20px; color: #fff; padding: 10px 16px; font-size: 16px !important; outline: none; }
.btn-send { background: var(--accent); border: none; color: #fff; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.btn-mic { background: rgba(255,255,255,0.08); border: none; color: #fff; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.btn-mic.recording { background: #e53935; animation: pulse 1.2s infinite; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }

.recording-overlay { position: absolute; left: 54px; right: 54px; height: 40px; background: var(--bg-side); display: none; align-items: center; justify-content: space-between; padding: 0 10px; z-index: 30; }
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: #e53935; animation: blink 0.8s infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.rec-timer { font-size: 14px; font-family: monospace; font-weight: 600; color: #fff; }
.rec-cancel { color: #ff5252; font-size: 12px; cursor: pointer; }

/* Меню сообщения */
.bottom-sheet-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.65); display: none; align-items: flex-end; justify-content: center; z-index: 300; backdrop-filter: blur(4px); }
.bottom-sheet-box { background: #1c2733; width: 100%; max-width: 440px; border-top-left-radius: 20px; border-top-right-radius: 20px; padding: 18px 20px; padding-bottom: max(20px, env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 6px; animation: slideUp 0.18s ease-out; }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.reactions-bar { display: flex; justify-content: space-around; background: var(--bg-side); border-radius: 14px; padding: 8px 12px; margin-bottom: 6px; }
.btn-reaction { font-size: 24px; background: none; border: none; cursor: pointer; }
.sheet-btn { padding: 12px 16px; background: var(--bg-side); border: none; border-radius: 12px; color: #fff; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 12px; cursor: pointer; }
.sheet-btn-delete { color: #ff5252; }
.sheet-btn-cancel { background: none; color: var(--text-secondary); justify-content: center; margin-top: 4px; }

.toast-notice { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.85); color: #fff; padding: 8px 16px; border-radius: 20px; font-size: 13px; z-index: 999; display: none; backdrop-filter: blur(4px); }

/* Модалки и адаптация под ПК (мышь + скролл) */
.modal-overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(0,0,0,0.85); display: flex; align-items: center; justify-content: center; 
    z-index: 100; backdrop-filter: blur(5px); 
    touch-action: auto !important; 
    overflow-y: auto; 
    padding: 16px 0;
}
.modal-box { 
    background: var(--bg-side); border: 1px solid var(--border); 
    width: 90%; max-width: 360px; padding: 22px; border-radius: 16px; 
    display: flex; flex-direction: column; gap: 12px; 
    touch-action: auto !important; 
    box-sizing: border-box;
}
.modal-box input { background: var(--bg-main); border: 1px solid transparent; border-radius: 10px; color: #fff; padding: 12px 14px; font-size: 16px; outline: none; width: 100%; }
.auth-tabs { display: flex; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 6px; }
.auth-tab { flex: 1; padding: 10px; background: none; border: none; color: var(--text-secondary); font-size: 15px; font-weight: 600; cursor: pointer; text-align: center; border-bottom: 2px solid transparent; }
.auth-tab.active { color: #fff; border-bottom-color: var(--accent); }
.btn-modal-action { background: var(--accent); color: #fff; border: none; padding: 12px; border-radius: 10px; font-size: 1rem; font-weight: 600; cursor: pointer; margin-top: 4px; }
.auth-error { color: #ff5252; font-size: 13px; text-align: center; display: none; }

#publicChatsList { 
    touch-action: auto !important; 
    pointer-events: auto !important; 
    overflow-y: auto !important;
}

@media (max-width: 768px) {
    .message { max-width: 86%; }
    .btn-scroll-bottom { right: 14px; bottom: 68px; }
    body:not(.in-chat) .chat-area { display: none !important; }
    body:not(.in-chat) .sidebar { display: flex !important; width: 100vw; }
    body.in-chat .sidebar { display: none !important; }
    body.in-chat .chat-area { display: flex !important; width: 100vw; }
    .mobile-action-trigger { display: flex; }
}

/* Шторка настройки шрифта */
.font-settings-drawer {
    position: absolute;
    top: 0; left: 0; right: 0; width: 100%;
    background: #17212b !important;
    border-bottom: 2px solid #5288c1 !important;
    padding: 16px 20px;
    padding-top: max(16px, env(safe-area-inset-top));
    display: none; flex-direction: column; gap: 12px; z-index: 100;
    box-shadow: 0 8px 24px rgba(0,0,0,0.7);
    animation: slideDown 0.18s ease-out;
}
@keyframes slideDown { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.font-buttons-row { display: flex; justify-content: space-between; gap: 8px; width: 100%; }
.btn-font-size {
    flex: 1; padding: 10px 4px; background: #0e1621 !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    border-radius: 10px; color: #f5f5f5 !important; cursor: pointer;
    font-weight: 600; font-family: inherit; text-align: center;
    transition: all 0.15s ease;
}
.btn-font-size:active { transform: scale(0.95); }
.btn-font-size.active { background: #2b5278 !important; border-color: #64b5f6 !important; color: #fff !important; box-shadow: 0 0 10px rgba(100, 181, 246, 0.4); }

/* Personal chat pins: compact inline control; does not open the chat. */
.personal-pin-btn {background:transparent;border:0;cursor:pointer;font-size:15px;flex-shrink:0;padding:3px 5px;}

/* Release: доступное меню сообщений на ПК и телефонах */
.message .mobile-action-trigger { display:inline-flex; flex-shrink:0; }
.message .mobile-action-trigger:hover { background:rgba(255,255,255,.2); }
.invite-manager-row { padding:10px; background:rgba(255,255,255,.05);border-radius:10px;margin:8px 0;font-size:12px; }
.invite-manager-actions {display:flex;gap:8px;margin:6px 0}
.invite-manager-actions button {background:var(--bg-side);color:var(--text-primary);border:0;border-radius:8px;padding:8px;cursor:pointer}

/* Mobile: comfortable back target, safe areas, native vertical scrolling. */
@media (max-width: 768px) {
  #btnBackToList { min-width: 48px; min-height: 48px; padding: 0 12px; font-size: 30px !important; touch-action: manipulation; flex-shrink: 0; }
  .chat-header { padding-left: max(4px, env(safe-area-inset-left)); }
  .messages-container { overscroll-behavior-y: contain; }
}

/* Mobile chat list swipe actions */
.chat-swipe-row { position:relative; overflow:hidden; }
.chat-swipe-row > .chat-item { position:relative; z-index:1; background:var(--bg-side); transition:transform .18s ease; }
/* Keep selected DM/group/channel visibly highlighted despite the swipe-row background. */
.chat-swipe-row > .chat-item.active {
  background: #3b5874;
  box-shadow: inset 4px 0 0 #8bcbff;
}
@media (hover:hover) {
  .chat-swipe-row > .chat-item:not(.active):hover { background: #253847; }
}

.chat-swipe-row.is-open > .chat-item { transform:translate3d(-182px,0,0); }
.chat-swipe-actions { position:absolute; right:0; top:0; bottom:0; display:flex; width:182px; }
.chat-swipe-action { flex:1; min-width:0; border:0; color:#fff; background:#326c9d; font-size:12px; font-weight:600; padding:6px; touch-action:manipulation; }
.chat-swipe-archive { background:#536175; }
.attachment-picker[hidden] { display:none !important; }
.attachment-picker { position:fixed; inset:0; z-index:1500; display:flex; align-items:flex-end; justify-content:center; background:rgba(0,0,0,.55); }
.attachment-picker-panel { width:min(100%,480px); background:var(--bg-side); padding:12px 12px max(16px, env(safe-area-inset-bottom)); display:flex; flex-direction:column; gap:8px; border-radius:16px 16px 0 0; }
.attachment-picker-panel button { min-height:48px; border:0; border-radius:10px; background:var(--bg-active); color:var(--text-primary); font-size:16px; }
@media(min-width:769px) { .chat-swipe-actions { display:none; } .chat-swipe-row.is-open > .chat-item { transform:none; } }
@media(prefers-reduced-motion:reduce) { .chat-swipe-row > .chat-item { transition:none; } }

/* Messenger v4 — chat folders, cross-chat search and media */
.v4-sidebar-search {display:flex;gap:6px;padding:8px 10px 4px;background:var(--bg-side);}
.v4-sidebar-search input {flex:1;min-width:0;border:1px solid var(--border);background:var(--bg-main);color:var(--text-primary);padding:10px 12px;border-radius:12px;font-size:14px;}
.v4-sidebar-search button {background:var(--accent);border:0;color:white;border-radius:10px;min-width:40px;font-size:21px;}
.v4-folder-bar {display:flex;gap:6px;overflow-x:auto;flex-shrink:0;padding:6px 10px 9px;background:var(--bg-side);scrollbar-width:thin;touch-action:pan-x;}
.v4-pill {white-space:nowrap;border:1px solid var(--border);border-radius:18px;background:var(--bg-main);color:var(--text-secondary);padding:8px 14px;cursor:pointer;min-height:36px;}
.v4-pill.active {background:var(--accent);color:white;border-color:var(--accent);}
.v4-pill-new {font-size:18px;font-weight:700;}
.v4-search-results {background:var(--bg-side);max-height:45vh;overflow-y:auto;touch-action:pan-y;padding:7px;flex-shrink:0;border-bottom:1px solid var(--border);}
.v4-search-results[hidden] {display:none;}
.v4-search-results h4 {font-size:12px;color:var(--text-secondary);margin:10px 5px 5px;}
.v4-result {display:block;width:100%;text-align:left;background:transparent;color:var(--text-primary);border:0;border-radius:8px;padding:10px;overflow-wrap:anywhere;cursor:pointer;}
.v4-result:hover {background:var(--bg-active);}
.v4-modal {position:fixed;inset:0;z-index:2500;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;padding:16px;touch-action:pan-y;overflow-y:auto;}
.v4-dialog {box-sizing:border-box;width:min(96vw,520px);max-height:85dvh;overflow-y:auto;background:var(--bg-side);border:1px solid var(--border);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:10px;}
.v4-modal-bar {display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px;}
.v4-modal-bar strong {font-size:17px;}
.v4-close {border:0;background:transparent;color:var(--text-primary);font-size:22px;cursor:pointer;}
.v4-action {border:1px solid var(--border);border-radius:10px;background:var(--bg-active);color:var(--text-primary);padding:10px 12px;cursor:pointer;}
.v4-editor-row {display:flex;align-items:center;gap:6px;padding:8px 0;border-bottom:1px solid var(--border);}
.v4-editor-row span {flex:1;min-width:0;overflow-wrap:anywhere;}
.v4-media-grid {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;min-height:64px;}
.v4-media-tile {min-height:80px;background:var(--bg-main);border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;overflow-wrap:anywhere;}
.v4-media-tile img,.v4-media-tile video {width:100%;height:100%;max-height:160px;object-fit:cover;}
.v4-media-tile a {color:var(--text-primary);font-size:12px;padding:8px;}
.message-video {width:min(100%,400px);max-height:350px;border-radius:12px;background:#000;object-fit:contain;}
.message-video-note {aspect-ratio:1;max-width:240px;max-height:240px;width:240px;border-radius:50%;object-fit:cover;}
.location-bubble {color:#b5d7ff;display:block;padding:8px 4px;font-weight:600;max-width:270px;text-decoration:none;}
.message-pending {opacity:.65;}
.v4-video-preview {border-radius:50%;object-fit:cover;width:min(62vw,280px);height:min(62vw,280px);aspect-ratio:1;align-self:center;background:#111;}
.v4-record-status {text-align:center;color:var(--text-secondary);font-size:14px;}
.v4-record-buttons {display:flex;justify-content:center;gap:12px;}
.v4-record-buttons button {flex:1;}
/* Native vertical scrolling on iOS/Safari with horizontal swipe recognizers. */
html,body {touch-action:manipulation;}
.chat-list,.chat-swipe-row,.sidebar {touch-action:pan-y;}
.messages-container {touch-action:pan-y;overscroll-behavior-y:contain;}
input,textarea,button {touch-action:manipulation;}
.input-bar {padding-bottom:max(8px, env(safe-area-inset-bottom));}
@media(max-width:768px) {
  .v4-modal {align-items:flex-end;padding:0;}
  .v4-dialog {max-height:88dvh;width:100%;border-radius:18px 18px 0 0;padding-bottom:max(18px,env(safe-area-inset-bottom));}
  .message-video-note {width:190px;max-width:190px;height:190px;}
  .v4-media-grid {grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* Messenger v4.1: user folders, groups and mobile inputs */
.v41-main-action {margin:6px 10px 9px;padding:12px 16px;color:#fff;background:var(--accent);border:1px solid rgba(255,255,255,.12);border-radius:12px;font-size:15px;font-weight:700;text-align:left;cursor:pointer;min-height:44px;}
.v41-overlay{position:fixed;inset:0;z-index:2600;background:rgba(0,0,0,.72);padding:12px;display:flex;align-items:center;justify-content:center;overflow-y:auto;touch-action:pan-y;}
.v41-panel{box-sizing:border-box;width:min(580px,100%);max-height:90dvh;overflow-y:auto;background:var(--bg-side);border:1px solid var(--border);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px;color:var(--text-primary);}
.v41-header{display:flex;align-items:center;justify-content:space-between;gap:8px;}.v41-header h3{margin:0;font-size:18px;}
.v41-button{border:1px solid var(--border);color:var(--text-primary);background:var(--bg-active);padding:9px 12px;border-radius:10px;cursor:pointer;min-height:40px;}.v41-button.primary{background:var(--accent);color:#fff;font-weight:700;}
.v41-button:disabled{opacity:.58;cursor:not-allowed;}
.v41-folder-list,.v41-picker{max-height:48dvh;overflow-y:auto;display:flex;flex-direction:column;gap:7px;touch-action:pan-y;}
.v41-folder-row,.v41-discovery-row{display:flex;align-items:center;gap:6px;padding:8px 4px;border-bottom:1px solid var(--border);}.v41-folder-row strong,.v41-discovery-row span{flex:1;min-width:0;overflow-wrap:anywhere;}
.v41-folder-row .v41-button{padding:7px;min-width:36px;}.v41-choice{display:flex;align-items:center;gap:12px;padding:9px;background:var(--bg-main);border-radius:9px;cursor:pointer;}
.v41-choice input{accent-color:var(--accent);height:18px;width:18px;}.v41-hint{font-size:13px;color:var(--text-secondary);line-height:1.45;}
.v41-field{display:flex;flex-direction:column;gap:5px;color:var(--text-secondary);font-size:13px;}.v41-field input:not([type=checkbox]),.v41-field select,.v41-create-select{font-size:16px;color:var(--text-primary);background:var(--bg-main);border:1px solid var(--border);border-radius:10px;padding:10px;min-height:44px;box-sizing:border-box;max-width:100%;}
.v41-field input[type=checkbox]{height:22px;width:22px;accent-color:var(--accent);}.v41-visibility-label{display:block;color:var(--text-secondary);font-size:13px;}.v41-create-select{width:100%;flex-shrink:0;}
.v41-entries{display:flex;flex-direction:column;gap:8px;padding:8px;font-size:13px;}
@media(max-width:768px){
  /* iOS Safari auto-zooms focused fields whose font is smaller than 16px. */
  input:not([type=checkbox]),textarea,select,.v4-sidebar-search input,#v4SearchInput,#publicSearchInput{font-size:16px!important;}
  .sidebar-header{padding:10px 12px;gap:8px;}
  .sidebar-actions{gap:8px;flex-shrink:0;}
  .sidebar-actions>.btn-icon{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;}
  .sidebar-actions>#btnAdminDashboard[style*="none"]{display:none!important;}
  .user-profile-bar{min-width:0;}
  .user-info-text{min-width:0;overflow:hidden;}
  .user-name,.user-info-text #myHandle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .v41-main-action{flex-shrink:0;}
  .v41-overlay{align-items:flex-start;padding-top:max(12px,env(safe-area-inset-top));}
  .v41-panel{max-height:calc(100dvh - 25px);}
}

/* v4.2: mobile inputs must not trigger iOS auto-zoom. */
@media (max-width: 768px) {
  #v4SearchInput, #publicSearchInput, #authUsername, #msgInput,
  #targetUsername, #groupTitle, #groupPublicName, .v41-field input,
  .v41-field select, .v42-handle-input { font-size: 16px !important; }
}
.v42-avatar-preview { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; border: 1px solid rgba(255,255,255,.22); }
.v42-avatar-upload { display:flex; align-items:center; gap:12px; padding:8px 0; }
.v42-handle-help { font-size: 12px; color: var(--text-secondary); }
#btnScrollBottom[data-new-messages]:not([data-new-messages="0"])::after { content: attr(data-new-messages); position:absolute; top:-7px; right:-7px; border-radius:12px; background:#5288c1; color:white; padding:2px 5px; font-size:11px; }
.v42-unread-divider { color: #85bfff; font-size: 12px; font-weight: 700;
  text-align: center; border-top: 1px solid rgba(100,181,246,.45);
  margin: 12px 0 4px; padding: 9px 12px 0; user-select: none; }