.message-context-menu {
    position: fixed;
    background-color: var(--bg-panel);
    border-radius: 6px;
    box-shadow: var(--shadow-context-menu);
    padding: 8px;
    z-index: 9050;
    min-width: 250px;
    max-width: 400px;
    border: 0.1px solid var(--background-primary-hover);
}

.message-context-menu-item {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
}

.message-context-menu-item .context-menu-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.message-context-menu-item:hover .context-menu-icon {
    opacity: 1;
}

[data-theme="light"] .message-context-menu-item .context-menu-icon {
    filter: brightness(0.5);
}

.message-context-menu-item:hover {
    background-color: var(--background-modifier-hover);
}

.message-context-menu-item.danger {
    color: var(--status-danger);
}

.message-context-menu-item.danger .context-menu-icon.red {
    filter: invert(31%) sepia(84%) saturate(5453%) hue-rotate(345deg) brightness(98%) contrast(95%);
}

.message-context-menu-item.danger:hover {
    background-color: var(--status-danger-muted);
}

.message-context-menu-separator {
    border: none;
    height: 1px;
    background-color: var(--background-modifier-accent);
    margin: 4px 0;
}

/* Quick Reactions Section */
.message-context-menu-quick-reactions {
    display: flex;
    gap: 8px;
    padding: 8px;
    justify-content: center;
}

.quick-reaction-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: transparent;
    border: 1px solid var(--background-modifier-accent);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-reaction-btn:hover {
    background-color: var(--background-modifier-hover);
    border-color: var(--brand);
    transform: scale(1.1);
}

/* Add Reaction Item with Submenu */
.message-context-menu-add-reaction-wrapper {
    position: relative;
}

/* Invisible bridge to submenu for easier catch */
.message-context-menu-add-reaction-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100%;
    pointer-events: none;
}

.message-context-menu-add-reaction {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-normal);
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.message-context-menu-add-reaction:hover {
    background-color: var(--background-modifier-hover);
}

.message-context-menu-add-reaction .chevron-icon {
    width: 16px;
    height: 16px;
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.message-context-menu-add-reaction:hover .chevron-icon {
    opacity: 1;
}

/* Reaction Submenu */
.reaction-submenu {
    position: fixed;
    display: none;
    flex-direction: column;
    background-color: var(--bg-panel);
    border-radius: 6px;
    box-shadow: var(--shadow-context-menu);
    border: 0.1px solid var(--background-primary-hover);
    min-width: 240px;
    max-height: 250px;
    z-index: 9050;
    padding: 0;
    transition: opacity 0.15s ease, pointer-events 0.15s ease;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}

.reaction-submenu.show {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.reaction-submenu-categories-nav {
    display: flex;
    gap: 4px;
    padding: 8px;
    background-color: var(--background-secondary);
    border-bottom: 1px solid var(--background-modifier-accent);
    overflow-x: auto;
    flex-shrink: 0;
    scrollbar-width: none;
}

.reaction-submenu-categories-nav::-webkit-scrollbar {
    display: none;
}

.category-nav-item {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.category-nav-item:hover {
    background-color: var(--background-modifier-hover);
}

.reaction-submenu-scroll-container {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.reaction-category-header {
    padding: 10px 0px 10px 5px;
    margin-bottom: 8px;
    line-height: 1;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    background-color: var(--bg-panel);
    position: sticky;
    top: -8px;
    z-index: 5;
    border-bottom: 1px solid var(--background-modifier-accent);
}

.reaction-category-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    padding-bottom: 10px;
}

.reaction-submenu-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    cursor: pointer;
    border-radius: 3px;
    transition: background-color 0.1s ease;
}

.reaction-submenu-item:hover {
    background-color: var(--background-modifier-hover);
}

.reaction-submenu-item .emoji-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    pointer-events: none;
}

.reaction-submenu-item .emoji-wrapper img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    pointer-events: none;
}

.reaction-submenu-item .reaction-name {
    display: none;
}

.context-menu-download-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.context-menu-download-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--background-modifier-accent);
    border-radius: 2px;
    overflow: hidden;
}

.context-menu-download-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--brand);
    transition: width 0.3s ease;
}

.context-menu-download-progress-text {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 35px;
    text-align: right;
}

.reaction-submenu-header {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 4px 4px 8px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--background-modifier-accent);
    margin-bottom: 4px;
}

.reaction-submenu-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
}

.reaction-submenu-back-btn:hover {
    background-color: var(--background-modifier-hover);
}

.reaction-submenu-back-btn img {
    width: 18px;
    height: 18px;
    opacity: 0.8;
}

[data-theme="light"] .reaction-submenu-back-btn img {
    filter: brightness(0.5);
}

.reaction-submenu-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-normal);
}

@media (max-width: 768px) {
    .message-context-menu {
        min-width: 0;
        max-width: none;
    }

    .message-context-menu-item {
        padding: 10px 14px;
        font-size: 14px;
    }

    .message-context-menu {
        position: fixed;
        top: auto !important;
        left: 0 !important;
        right: 0;
        bottom: 0;
        width: 100%;
        max-height: min(85vh, 620px);
        padding: 8px 8px calc(8px + env(safe-area-inset-bottom, 0px));
        border-radius: 16px 16px 0 0;
        border-width: 1px 0 0 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;

        transform: translateY(100%);
        transition: transform 0.22s ease-out, opacity 0.22s ease-out;
    }

    .message-context-menu.open {
        transform: translateY(0);
    }

    .message-context-menu::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        margin: 2px auto 10px;
        border-radius: 2px;
        background-color: var(--background-modifier-accent);
        flex-shrink: 0;
    }

    .reaction-submenu-header {
        display: flex;
        justify-content: center;
    }

    /* Подменю реакций — собственный bottom sheet поверх основного меню сообщения */
    .reaction-submenu {
        display: flex;
        /* переопределяем desktop-ное display:none */
        position: fixed;
        top: auto !important;
        left: 0 !important;
        right: 0;
        bottom: 0;
        width: 100%;
        min-width: 0;
        max-width: none;
        max-height: min(85vh, 620px);
        border-radius: 16px 16px 0 0;
        border-width: 1px 0 0 0;
        padding: 8px 4px calc(8px + env(safe-area-inset-bottom, 0px));
        z-index: 9060;
        /* выше .message-context-menu (9050) */
        opacity: 1;
        pointer-events: none;
        transform: translateY(100%);
        transition: transform 0.22s ease-out;
    }

    .reaction-submenu.show {
        pointer-events: auto;
        transform: translateY(0);
    }

    .reaction-submenu::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        margin: 2px auto 6px;
        border-radius: 2px;
        background-color: var(--background-modifier-accent);
        order: -1;
    }
}