/* ============================================
   CSS ПЕРЕМЕННЫЕ И БАЗОВЫЕ СТИЛИ
   ============================================ */
:root {
    --msg-primary: #5865F2;
    --msg-primary-hover: #4752C4;
    --msg-bg: #1e1f22;
    --msg-bg-secondary: #2b2d31;
    --msg-bg-tertiary: #313338;
    --msg-bg-chat: #313338;
    --msg-text: #dbdee1;
    --msg-text-muted: #949ba4;
    --msg-text-link: #00a8fc;
    --msg-border: #3f4147;
    --msg-input-bg: #383a40;
    --msg-hover: #35373c;
    --msg-success: #23a55a;
    --msg-danger: #f23f43;
    --msg-badge: #f23f43;
    --msg-online: #23a55a;
    --msg-shadow: 0 8px 32px rgba(0,0,0,0.45);
    --msg-radius: 12px;
    --msg-radius-sm: 8px;
    --msg-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --msg-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --msg-panel-width: 420px;
    --msg-panel-height: 600px;
}

/* ============================================
   КНОПКА-ТРИГГЕР
   ============================================ */
.msg-trigger {
    position: fixed;
    bottom: 24px;
    right: 64px;
    z-index: 10000;
    width: 56px;
    height: 56px;
    border-radius: 50%!important;
    background: var(--msg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(88, 101, 242, 0.4);
    transition: all var(--msg-transition);
}
.msg-trigger:hover {
    background: var(--msg-primary-hover);
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(88, 101, 242, 0.5);
}
.msg-trigger:active {
    transform: scale(0.95);
}
.msg-trigger svg {
    width: 26px;
    height: 26px;
    fill: #fff;
}
.msg-trigger-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 11px!important;
    background: var(--msg-badge);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    font-family: var(--msg-font);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--msg-bg);
    line-height: 1;
    pointer-events: none;
    animation: msg-badge-pop 0.3s ease;
}
.msg-trigger-badge[data-count="0"] {
    display: none;
}

@keyframes msg-badge-pop {
    0% { transform: scale(0); }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ============================================
   ОВЕРЛЕЙ
   ============================================ */
.msg-overlay {
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.msg-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   ПАНЕЛЬ МЕССЕНДЖЕРА
   ============================================ */
.msg-panel {
    position: fixed;
    bottom: 90px;
    right: 24px;
    z-index: 10002;
    width: var(--msg-panel-width);
    height: var(--msg-panel-height);
    max-height: calc(100vh - 120px);
	min-height: 0px;
    max-width: calc(100vw - 32px);
    background: var(--msg-bg);
    border-radius: var(--msg-radius);
    box-shadow: var(--msg-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: var(--msg-font);
    color: var(--msg-text);
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.msg-panel.active {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
}

/* ============================================
   ЗАГОЛОВОК ПАНЕЛИ
   ============================================ */
.msg-header {
    display: grid;
    grid-template-columns: auto 1fr auto; /* кнопка | заголовок | действия */
    align-items: center;
    /* padding: 16px; */
    background: var(--msg-bg-secondary);
    border-bottom: 1px solid var(--msg-border);
    min-height: 56px;
    gap: 12px;
    flex-shrink: 0;
}
.msg-header-back {
    /* Убираем фиксированную ширину, если она мешает, или оставляем для консистентности */
    width: 48px;  /* Оптимально для иконки 24px + паддинги */
    height: 48px;
    border-radius: 50%!important;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--msg-text-muted);
    transition: all var(--msg-transition);
    flex-shrink: 0;
    grid-column: 1; /* Явно размещаем в первой колонке */
}
.msg-header-back:hover {
    background: var(--msg-hover);
    color: var(--msg-text);
}
.msg-header-back svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}
.msg-header-title {
    justify-self: center; /* Центрируем элемент в своей ячейке грида */
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    grid-column: 2; /* Вторая колонка — центральная */
    width: 100%;
    max-width: calc(100% - 80px); /* Защита от наложения на кнопки */
}
.msg-header-subtitle {
    font-size: 12px;
    color: var(--msg-text-muted);
    font-weight: 400;
}
.msg-header-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    grid-column: 3; /* Третья колонка — правая часть */
    justify-self: end;
}
.msg-header-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%!important;
    background: transparent;
    border: none!important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--msg-text-muted);
    transition: all var(--msg-transition);
}
.msg-header-btn:hover {
    background: var(--msg-hover);
    color: var(--msg-text);
}
.msg-header-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* ============================================
   ПОИСК
   ============================================ */
.msg-search-wrap {
    padding: 8px 12px;
    background: var(--msg-bg-secondary);
    flex-shrink: 0;
}
.msg-search {
    width: 100%;
    height: 36px;
    padding: 0 12px 0 36px;
    border: none;
    border-radius: var(--msg-radius-sm);
    background: var(--msg-input-bg);
    color: var(--msg-text);
    font-size: 16px;
    font-family: var(--msg-font);
    outline: none;
    transition: background var(--msg-transition);
    box-sizing: border-box;
}
.msg-search:focus {
    background: var(--msg-bg-tertiary);
}
.msg-search::placeholder {
    color: var(--msg-text-muted);
}
.msg-search-wrap {
    position: relative;
}
.msg-search-icon {
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    fill: var(--msg-text-muted);
    pointer-events: none;
}

/* ============================================
   СПИСОК ЧАТОВ
   ============================================ */
.msg-chat-list {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.msg-chat-list::-webkit-scrollbar {
    width: 6px;
}
.msg-chat-list::-webkit-scrollbar-track {
    background: transparent;
}
.msg-chat-list::-webkit-scrollbar-thumb {
    background: var(--msg-border);
    border-radius: 3px;
}
.msg-chat-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    gap: 12px;
    cursor: pointer;
    transition: background var(--msg-transition);
    position: relative;
}
.msg-chat-item:hover {
    background: var(--msg-hover);
}
.msg-chat-item.unread {
    background: rgba(88, 101, 242, 0.08);
}
.msg-chat-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%!important;
    background: var(--msg-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--msg-text-muted);
    overflow: hidden;
}
.msg-chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.msg-chat-avatar.group {
    background: var(--msg-primary);
    color: #fff;
}
.msg-chat-body {
    flex: 1;
    min-width: 0;
}
.msg-chat-name {
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.msg-chat-preview {
    font-size: 13px;
    color: var(--msg-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.msg-chat-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}
.msg-chat-time {
    font-size: 11px;
    color: var(--msg-text-muted);
}
.msg-chat-unread {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px!important;
    background: var(--msg-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* Пустой список */
.msg-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--msg-text-muted);
    flex: 1;
}
.msg-empty svg {
    width: 64px;
    height: 64px;
    fill: var(--msg-border);
    margin-bottom: 16px;
}
.msg-empty-text {
    font-size: 15px;
    margin-bottom: 12px;
}
.msg-empty-sub {
    font-size: 13px;
    color: var(--msg-text-muted);
}

/* ============================================
   ОБЛАСТЬ СООБЩЕНИЙ
   ============================================ */
/* Контент панели — ОБЯЗАТЕЛЬНО flex-column */
#msgContent,
.msg-panel > div:last-child {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;       /* ← КРИТИЧНО для Firefox */
    overflow: hidden;     /* ← предотвращает «вытекание» */
}

/* Область сообщений */
.msg-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overscroll-behavior: contain;
    background: var(--msg-bg-chat);
    min-height: 0;        /* ← КРИТИЧНО! Без этого flex-item 
                              не сжимается и скролл не появляется */
}
.msg-messages::-webkit-scrollbar {
    width: 6px;
}
.msg-messages::-webkit-scrollbar-track {
    background: transparent;
}
.msg-messages::-webkit-scrollbar-thumb {
    background: var(--msg-border);
    border-radius: 3px;
}

/* Группа сообщений */
.msg-message-group {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}
.msg-message-group .msg-msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%!important;
    background: var(--msg-bg-secondary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--msg-text-muted);
    overflow: hidden;
    margin-top: 2px;
}
.msg-message-group .msg-msg-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.msg-msg-content {
    flex: 1;
    min-width: 0;
}
.msg-msg-header {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 2px;
}
.msg-msg-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--msg-text);
    cursor: pointer;
}
.msg-msg-author:hover {
    text-decoration: underline;
}
.msg-msg-time {
    font-size: 11px;
    color: var(--msg-text-muted);
}
.msg-msg-text {
    font-size: 14px;
    line-height: 1.45;
    color: var(--msg-text);
    word-wrap: break-word;
    white-space: pre-wrap;
	text-align: left;
}

/* Системные сообщения */
.msg-system {
    text-align: center;
    padding: 8px 0;
}
.msg-system-text {
    font-size: 12px;
    color: var(--msg-text-muted);
    background: var(--msg-bg-secondary);
    padding: 4px 12px;
    border-radius: 12px;
    display: inline-block;
}

/* Дата-разделитель */
.msg-date-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}
.msg-date-divider::before,
.msg-date-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--msg-border);
}
.msg-date-divider span {
    font-size: 12px;
    font-weight: 600;
    color: var(--msg-text-muted);
    white-space: nowrap;
}

/* Загрузка */
.msg-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.msg-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--msg-border);
    border-top-color: var(--msg-primary);
    border-radius: 50%!important;
    animation: msg-spin 0.8s linear infinite;
}
@keyframes msg-spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   ПОЛЕ ВВОДА
   ============================================ */
.msg-input-area {
    padding: 12px 16px;
    background: var(--msg-bg-secondary);
    border-top: 1px solid var(--msg-border);
    flex-shrink: 0;
}
.msg-input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--msg-input-bg);
    border-radius: var(--msg-radius-sm);
    padding: 8px 12px;
}
.msg-input {
    flex: 1;
    border: none!important;
    background: transparent;
    color: var(--msg-text);
    font-size: 16px;
    font-family: var(--msg-font);
    resize: none!important;
    outline: none!important;
    max-height: 120px;
    min-height: 20px;
    line-height: 1.4;
    padding: 0;
	white-space: pre-wrap;
	overflow-y: auto;
}
.msg-input::placeholder {
    color: var(--msg-text-muted);
}
.msg-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%!important;
    background: var(--msg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--msg-transition);
    flex-shrink: 0;
    opacity: 0.5;
    pointer-events: none;
}
.msg-send-btn.active {
    opacity: 1;
    pointer-events: auto;
}
.msg-send-btn:hover {
    background: var(--msg-primary-hover);
}
.msg-send-btn svg {
    width: 18px;
    height: 18px;
    fill: #fff;
    margin-left: 2px;
}

/* ============================================
   МОДАЛКА НОВОГО ЧАТА
   ============================================ */
.msg-new-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.msg-new-chat-tabs {
    display: flex;
    border-bottom: 1px solid var(--msg-border);
    flex-shrink: 0;
}
.msg-new-chat-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--msg-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--msg-transition);
    font-family: var(--msg-font);
}
.msg-new-chat-tab.active {
    color: var(--msg-text);
    border-bottom-color: var(--msg-primary);
}
.msg-new-chat-tab:hover {
    color: var(--msg-text);
}
.msg-user-search-wrap {
    padding: 12px;
    flex-shrink: 0;
}
.msg-user-search {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--msg-border);
    border-radius: var(--msg-radius-sm);
    background: var(--msg-input-bg);
    color: var(--msg-text);
    font-size: 16px;
    font-family: var(--msg-font);
    outline: none;
    box-sizing: border-box;
    transition: border-color var(--msg-transition);
}
.msg-user-search:focus {
    border-color: var(--msg-primary);
}
.msg-user-results {
    flex: 1;
    overflow-y: auto;
    padding: 0 4px;
}
.msg-user-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    gap: 12px;
    cursor: pointer;
    border-radius: var(--msg-radius-sm);
    transition: background var(--msg-transition);
    margin: 0 4px;
}
.msg-user-item:hover {
    background: var(--msg-hover);
}
.msg-user-item.selected {
    background: rgba(88, 101, 242, 0.15);
}
.msg-user-item .msg-chat-avatar {
    width: 36px;
    height: 36px;
    font-size: 14px;
}
.msg-user-item-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}
.msg-user-item-check {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--msg-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--msg-transition);
}
.msg-user-item.selected .msg-user-item-check {
    background: var(--msg-primary);
    border-color: var(--msg-primary);
}
.msg-user-item.selected .msg-user-item-check svg {
    fill: #fff;
    width: 14px;
    height: 14px;
}

/* Выбранные участники (chips) */
.msg-selected-users {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--msg-border);
    flex-shrink: 0;
}
.msg-selected-users:empty {
    display: none;
}
.msg-chip {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--msg-primary);
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.msg-chip-remove {
    width: 16px;
    height: 16px;
    border-radius: 50%!important;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    line-height: 1;
    padding: 0;
}
.msg-chip-remove:hover {
    background: rgba(255,255,255,0.35);
}

/* Имя группы */
.msg-group-name-wrap {
    padding: 12px;
    border-bottom: 1px solid var(--msg-border);
    flex-shrink: 0;
}
.msg-group-name-input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--msg-border);
    border-radius: var(--msg-radius-sm);
    background: var(--msg-input-bg);
    color: var(--msg-text);
    font-size: 16px;
    font-family: var(--msg-font);
    outline: none;
    box-sizing: border-box;
}
.msg-group-name-input:focus {
    border-color: var(--msg-primary);
}

/* Кнопка создания */
.msg-create-btn-wrap {
    padding: 12px;
    flex-shrink: 0;
}
.msg-create-btn {
    width: 100%;
    height: 44px;
    border: none;
    border-radius: var(--msg-radius-sm);
    background: var(--msg-primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--msg-font);
    cursor: pointer;
    transition: all var(--msg-transition);
}
.msg-create-btn:hover {
    background: var(--msg-primary-hover);
}
.msg-create-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   CHAT INFO PANEL
   ============================================ */
.msg-info-section {
    padding: 16px;
}
.msg-info-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--msg-text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.msg-info-member {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}
.msg-info-member-name {
    flex: 1;
    font-size: 14px;
}
.msg-info-member-role {
    font-size: 11px;
    color: var(--msg-primary);
    font-weight: 600;
}
.msg-leave-btn {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: var(--msg-radius-sm);
    background: rgba(242, 63, 67, 0.1);
    color: var(--msg-danger);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--msg-font);
    cursor: pointer;
    transition: all var(--msg-transition);
    margin-top: 8px;
}
.msg-leave-btn:hover {
    background: rgba(242, 63, 67, 0.2);
}

/* ============================================
   TOAST / УВЕДОМЛЕНИЯ
   ============================================ */
.msg-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10010;
    padding: 12px 20px;
    border-radius: var(--msg-radius-sm);
    font-size: 14px;
    font-family: var(--msg-font);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    max-width: 320px;
}
.msg-toast.show {
    transform: translateX(0);
}
.msg-toast.success { background: var(--msg-success); }
.msg-toast.error { background: var(--msg-danger); }
.msg-toast.info { background: var(--msg-primary); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
    .msg-panel {
        bottom: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        max-width: 100vw;
        border-radius: 0;
    }
    .msg-trigger {
        bottom: 16px;
        right: 16px;
    }
}