.history-messenger-root {
    --messenger-panel-bg: rgba(255, 255, 255, 0.85);
    --messenger-sidebar-bg: rgba(246, 249, 252, 0.5);
    --messenger-thread-bg: linear-gradient(180deg, rgba(248, 251, 255, 0.5) 0%, rgba(255, 255, 255, 0.8) 100%);
    --messenger-composer-bg: rgba(255, 255, 255, 0.6);
    --messenger-border: rgba(15, 23, 42, 0.08);
    --messenger-text: #172033;
    --messenger-muted: #66758d;
    --messenger-soft: rgba(238, 243, 249, 0.7);
    --messenger-hover: rgba(31, 111, 235, 0.06);
    --messenger-active: rgba(31, 111, 235, 0.12);
    --messenger-input-bg: rgba(255, 255, 255, 0.7);
    --messenger-input-border: rgba(15, 23, 42, 0.12);
    --messenger-bubble: #ffffff;
    --messenger-bubble-own: #dcecff;
    --messenger-shadow: 0 32px 64px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(255,255,255,0.4) inset;
    --messenger-primary: #1f6feb;
    --messenger-primary-strong: #1458ba;
    --messenger-danger: #e34c26;
    --messenger-highlight-bg: rgba(255, 193, 7, 0.35);
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1200;
    color: var(--messenger-text);
}

[data-bs-theme="dark"] .history-messenger-root,
html[data-bs-theme="dark"] .history-messenger-root {
    --messenger-panel-bg: rgba(22, 33, 49, 0.75);
    --messenger-sidebar-bg: rgba(17, 26, 40, 0.65);
    --messenger-thread-bg: linear-gradient(180deg, rgba(22, 35, 52, 0.4) 0%, rgba(16, 25, 38, 0.7) 100%);
    --messenger-composer-bg: rgba(16, 25, 38, 0.6);
    --messenger-border: rgba(148, 163, 184, 0.1);
    --messenger-text: #e8eef9;
    --messenger-muted: #98a8c2;
    --messenger-soft: rgba(29, 43, 63, 0.6);
    --messenger-hover: rgba(56, 139, 253, 0.12);
    --messenger-active: rgba(56, 139, 253, 0.2);
    --messenger-input-bg: rgba(30, 41, 59, 0.6);
    --messenger-input-border: rgba(148, 163, 184, 0.15);
    --messenger-bubble: rgba(30, 41, 59, 0.85);
    --messenger-bubble-own: rgba(28, 100, 242, 0.35);
    --messenger-shadow: 0 32px 64px rgba(2, 8, 23, 0.6), 0 0 0 1px rgba(255,255,255,0.05) inset;
    --messenger-highlight-bg: rgba(255, 193, 7, 0.15);
}

.history-messenger-toggle {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(13, 110, 253, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.25);
    transition: all var(--transition-normal);
}

.history-messenger-toggle:hover {
    transform: scale(1.08) translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.4);
}

.history-messenger-toggle svg {
    transition: transform var(--transition-normal);
}

.history-messenger-toggle:hover svg {
    transform: rotate(-8deg) scale(1.1);
}

.history-messenger-toggle__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 22px;
    height: 22px;
    border-radius: 999px;
    background: var(--messenger-danger);
    color: #fff;
    font-size: 12px;
    line-height: 22px;
    padding: 0 6px;
}

.history-messenger-headsup {
    position: fixed;
    right: 24px;
    bottom: 96px;
    width: min(320px, calc(100vw - 24px));
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.2);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    color: #172033;
    cursor: pointer;
    z-index: 1250;
    opacity: 0;
    pointer-events: none;
    transform: translateY(14px) scale(0.98);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

[data-bs-theme="dark"] .history-messenger-headsup,
html[data-bs-theme="dark"] .history-messenger-headsup {
    border-color: rgba(148, 163, 184, 0.18);
    background: rgba(9, 18, 33, 0.94);
    box-shadow: 0 24px 52px rgba(2, 8, 23, 0.5);
    color: #e8eef9;
}

.history-messenger-headsup.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.history-messenger-headsup__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #66758d;
    font-size: 20px;
    line-height: 1;
}

.history-messenger-headsup__close:hover {
    background: rgba(31, 111, 235, 0.06);
    color: #172033;
}

.history-messenger-headsup__eyebrow {
    margin-bottom: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #1f6feb;
}

.history-messenger-headsup__title {
    margin-bottom: 4px;
    padding-right: 28px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
}

.history-messenger-headsup__body {
    color: #5f6f88;
    font-size: 13px;
    line-height: 1.45;
}

[data-bs-theme="dark"] .history-messenger-headsup__close,
html[data-bs-theme="dark"] .history-messenger-headsup__close {
    color: #c5d2e8;
}

[data-bs-theme="dark"] .history-messenger-headsup__close:hover,
html[data-bs-theme="dark"] .history-messenger-headsup__close:hover {
    background: rgba(56, 139, 253, 0.12);
    color: #f8fbff;
}

[data-bs-theme="dark"] .history-messenger-headsup__eyebrow,
html[data-bs-theme="dark"] .history-messenger-headsup__eyebrow {
    color: #78aefc;
}

[data-bs-theme="dark"] .history-messenger-headsup__body,
html[data-bs-theme="dark"] .history-messenger-headsup__body {
    color: #c5d2e8;
}

.history-messenger-panel {
    position: absolute;
    right: 0;
    bottom: 72px;
    width: min(840px, calc(100vw - 24px));
    height: min(640px, calc(100vh - 100px));
    display: grid;
    grid-template-columns: 280px 1fr;
    overflow: visible;
    border-radius: 20px;
    background: var(--messenger-panel-bg);
    border: 1px solid var(--messenger-border);
    box-shadow: var(--messenger-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
}

.history-messenger-panel.d-none {
    display: grid !important;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(20px) scale(0.97);
}

.history-messenger-sidebar,
.history-messenger-thread {
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.history-messenger-sidebar {
    background: var(--messenger-sidebar-bg);
    border-right: 1px solid var(--messenger-border);
    overflow: hidden;
    border-radius: 20px 0 0 20px;
}

.history-messenger-sidebar__header,
.history-messenger-thread__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--messenger-border);
    box-sizing: border-box;
    height: 56px;
    min-height: 56px;
}

.history-messenger-sidebar__header {
    position: relative;
}

.history-messenger-thread {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    background: var(--messenger-panel-bg);
    overflow: hidden;
    border-radius: 0 20px 20px 0;
}

.history-messenger-thread:not(.has-active-dialog) .history-messenger-thread__header,
.history-messenger-thread:not(.has-active-dialog) .history-messenger-composer {
    display: none !important;
}

.history-messenger-thread:not(.has-active-dialog) .history-messenger-thread__messages {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-messenger-sidebar__title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-messenger-sidebar__title strong {
    font-size: 15px;
    line-height: 1.2;
}

.history-messenger-thread__header strong {
    font-size: 15px;
    line-height: 1.2;
}

.history-messenger-thread__profile-link {
    color: inherit;
    text-decoration: none;
}

.history-messenger-thread__profile-link:hover {
    text-decoration: underline;
}

.history-messenger-sidebar__header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.history-messenger-sidebar__meta,
.history-messenger-thread__status,
.history-messenger-composer__hint,
.history-messenger-search__meta,
.history-messenger-search__role {
    font-size: 12px;
    color: var(--messenger-muted);
}

.history-messenger-sidebar__meta:empty,
.history-messenger-search__meta:empty {
    display: none;
}

.history-messenger-sidebar__action,
.history-messenger-close,
.history-messenger-settings-toggle,
.history-messenger-push-toggle,
.history-messenger-toolbar__button,
.history-messenger-attach,
.history-messenger-search__result,
.history-messenger-send {
    border: 1px solid var(--messenger-border);
    background: var(--messenger-input-bg);
    color: var(--messenger-text);
    border-radius: 12px;
}

.history-messenger-sidebar__action,
.history-messenger-toolbar__button,
.history-messenger-attach,
.history-messenger-send {
    padding: 8px 12px;
    font-size: 13px;
}

.history-messenger-icon-btn,
.history-messenger-close,
.history-messenger-settings-toggle,
.history-messenger-push-toggle {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.history-messenger-settings-toggle {
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.history-messenger-settings-toggle.is-active {
    background: rgba(31, 111, 235, 0.1);
    border-color: rgba(31, 111, 235, 0.28);
    color: var(--messenger-primary);
}

.history-messenger-settings-toggle:hover {
    background: var(--messenger-hover);
}

.history-messenger-settings-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    width: min(260px, calc(100% - 32px));
    padding: 14px;
    border: 1px solid var(--messenger-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(16px);
    z-index: 15;
}

[data-bs-theme="dark"] .history-messenger-settings-panel,
html[data-bs-theme="dark"] .history-messenger-settings-panel {
    background: rgba(17, 24, 39, 0.95);
}

.history-messenger-settings-panel__title {
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--messenger-muted);
}

.history-messenger-settings-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    padding: 10px 0;
    cursor: pointer;
}

.history-messenger-settings-option + .history-messenger-settings-option {
    border-top: 1px solid var(--messenger-border);
}

.history-messenger-settings-option input {
    margin-top: 2px;
    accent-color: var(--messenger-primary);
}

.history-messenger-settings-option span {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.history-messenger-settings-option strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--messenger-text);
}

.history-messenger-settings-option small {
    font-size: 11px;
    line-height: 1.35;
    color: var(--messenger-muted);
}

.history-messenger-settings-panel__action {
    width: 100%;
    margin-top: 12px;
    padding: 10px 12px;
    border: 1px solid var(--messenger-border);
    border-radius: 12px;
    background: var(--messenger-input-bg);
    color: var(--messenger-text);
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.history-messenger-settings-panel__action:hover:not(:disabled) {
    background: var(--messenger-hover);
}

.history-messenger-settings-panel__action:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.history-messenger-push-toggle {
    position: relative;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.history-messenger-push-toggle.is-active {
    background: rgba(31, 111, 235, 0.14);
    border-color: rgba(31, 111, 235, 0.35);
    color: var(--messenger-primary);
}

.history-messenger-push-toggle.is-busy {
    opacity: 0.7;
}

.history-messenger-push-toggle.is-disabled {
    opacity: 0.45;
}

.history-messenger-push-toggle:not(.is-disabled):hover {
    background: var(--messenger-hover);
}

.history-messenger-close-dialog {
    background: transparent !important;
    border: none !important;
    color: var(--messenger-text);
    opacity: 0.6;
    transition: opacity 0.2s, background 0.2s;
}

.history-messenger-close-dialog:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.08) !important;
}

.history-messenger-search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--messenger-border);
    background: var(--messenger-soft);
}

.history-messenger-search__input,
.history-messenger-composer textarea {
    width: 100%;
    background: var(--messenger-input-bg);
    color: var(--messenger-text);
    border: 1px solid var(--messenger-input-border);
    border-radius: 14px;
    padding: 12px 14px;
    outline: none;
}

.history-messenger-search__input::placeholder,
.history-messenger-composer textarea::placeholder {
    color: var(--messenger-muted);
}

.history-messenger-search__input:focus,
.history-messenger-composer textarea:focus {
    border-color: rgba(31, 111, 235, 0.7);
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.14);
}

.history-messenger-search__meta {
    margin-top: 6px;
}

.history-messenger-search__meta:empty {
    display: none;
}

.history-messenger-search__results,
.history-messenger-list,
.history-messenger-thread__messages {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.history-messenger-search__results {
    padding: 10px;
    display: grid;
    gap: 10px;
    border-bottom: 1px solid var(--messenger-border);
    background: color-mix(in srgb, var(--messenger-sidebar-bg) 84%, var(--messenger-soft) 16%);
}

.history-messenger-search-section {
    display: grid;
    gap: 8px;
}

.history-messenger-search-section__title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--messenger-muted);
    padding: 0 2px;
}

.history-messenger-search-section__body {
    display: grid;
    gap: 6px;
}

.history-messenger-search__result {
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    display: grid;
    gap: 4px;
}

.history-messenger-search__empty,
.history-messenger-list__empty {
    color: var(--messenger-muted);
    font-size: 13px;
}

.history-messenger-list {
    padding: 10px;
}

.history-messenger-list-item {
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    padding: 10px 12px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    transition: background 0.2s;
}

.history-messenger-list-item__content {
    flex: 1;
    min-width: 0;
}

.history-messenger-avatar {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--avatar-bg, #6c757d);
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
}

.history-messenger-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.history-messenger-avatar__online {
    position: absolute;
    bottom: 0px;
    right: 0px;
    width: 12px;
    height: 12px;
    background-color: var(--messenger-success, #2da44e);
    border: 2px solid var(--messenger-panel-bg);
    border-radius: 50%;
}

.history-messenger-list-item:hover,
.history-messenger-search__result:hover,
.history-messenger-sidebar__action:hover,
.history-messenger-toolbar__button:hover,
.history-messenger-attach:hover {
    background: var(--messenger-hover);
}

.history-messenger-list-item.is-active {
    background: var(--messenger-active);
}

.history-messenger-list-item__top {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: baseline;
    margin-bottom: 4px;
}

.history-messenger-list-item__last {
    font-size: 13px;
    color: var(--messenger-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-messenger-list-item__badge {
    min-width: 20px;
    padding: 2px 6px;
    border-radius: 999px;
    background: var(--messenger-danger);
    color: #fff;
    font-size: 12px;
    text-align: center;
}

.history-messenger-thread__messages {
    padding: 20px;
    background: var(--messenger-thread-bg);
}

.history-messenger-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    padding: 24px;
}

.history-messenger-empty__content {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 32px 48px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    color: var(--messenger-text);
    max-width: 320px;
}

.history-messenger-empty__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--messenger-text);
}

.history-messenger-empty__text {
    font-size: 13px;
    color: var(--messenger-muted);
    line-height: 1.5;
}

.history-messenger-message {
    flex-direction: column;
    width: fit-content;
    max-width: 78%;
    margin-bottom: 10px;
}

.history-messenger-date-separator {
    align-self: center;
    margin: 12px 0 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
    color: #6f7f98;
    font-size: 12px;
    line-height: 1.2;
    font-weight: 500;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-bs-theme="dark"] .history-messenger-date-separator,
html[data-bs-theme="dark"] .history-messenger-date-separator {
    background: rgba(18, 30, 46, 0.78);
    border-color: rgba(148, 163, 184, 0.14);
    color: #a8bad6;
    box-shadow: 0 8px 18px rgba(2, 8, 23, 0.24);
}

.history-messenger-message__bubble {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-radius: 18px;
    padding: 10px 12px 8px;
    font-size: 14px;
    line-height: 1.5;
    background: var(--messenger-bubble);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

.history-messenger-message.is-own {
    margin-left: auto;
    align-items: flex-end;
}

.history-messenger-message.is-peer {
    margin-right: auto;
    align-items: flex-start;
}

.history-messenger-message.is-own .history-messenger-message__bubble {
    background: var(--messenger-bubble-own);
    border-bottom-right-radius: 6px;
}

.history-messenger-message.is-peer .history-messenger-message__bubble {
    background: var(--messenger-bubble);
    border: 1px solid var(--messenger-border);
    border-bottom-left-radius: 6px;
}

.history-messenger-message__body {
    position: relative;
    min-width: 0;
    min-height: 18px;
    padding-right: 42px;
    padding-bottom: 2px;
}

.history-messenger-message.is-own .history-messenger-message__body {
    padding-right: 54px;
}

.history-messenger-message__content {
    min-width: 0;
    word-break: break-word;
}

.history-messenger-message__attachments {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 2px;
}

.history-messenger-message__attachment {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
    border-radius: 12px;
    overflow: hidden;
}

.history-messenger-message__attachment:focus-visible {
    outline: 2px solid var(--messenger-primary);
    outline-offset: 2px;
}

.history-messenger-message__attachments img,
.history-messenger-attachment-preview img {
    width: 100%;
    border-radius: 12px;
    display: block;
    object-fit: cover;
}

.history-messenger-message__attachment img {
    transition: transform 0.18s ease, filter 0.18s ease;
}

.history-messenger-message__attachment:hover img {
    transform: scale(1.02);
    filter: brightness(1.03);
}

.history-messenger-composer {
    padding: 14px 16px;
    border-top: 1px solid var(--messenger-border);
    background: var(--messenger-composer-bg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.history-messenger-composer__status {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--messenger-muted);
}
.history-messenger-composer__status:empty {
    display: none;
}

.history-messenger-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.history-messenger-attach input {
    display: none;
}

.history-messenger-send {
    background: var(--messenger-primary);
    color: #fff;
    border-color: var(--messenger-primary);
}

.history-messenger-send:hover {
    background: var(--messenger-primary-strong);
}

.history-messenger-composer textarea {
    resize: none;
    min-height: 96px;
}

.history-messenger-attachments {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.history-messenger-attachment-preview {
    width: 72px;
    height: 72px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--messenger-border);
}

.history-messenger-attachment-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    padding: 0;
    backdrop-filter: blur(4px);
    transition: background 0.2s;
}

.history-messenger-attachment-remove:hover {
    background: rgba(239, 68, 68, 0.9);
}

.history-messenger-composer__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.history-messenger-message__time {
    display: none;
}

.history-messenger-message__meta {
    position: absolute;
    right: 0;
    bottom: 1px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding-left: 6px;
    color: #7e8ca6;
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
    background: transparent;
}

.history-messenger-message.is-own .history-messenger-message__meta {
    color: rgba(20, 88, 186, 0.88);
}

.history-messenger-message__meta--standalone {
    position: static;
    align-self: flex-end;
    margin-top: 2px;
    padding-left: 0;
}

[data-bs-theme="dark"] .history-messenger-message__meta,
html[data-bs-theme="dark"] .history-messenger-message__meta {
    color: #8fa0bb;
}

[data-bs-theme="dark"] .history-messenger-message.is-own .history-messenger-message__meta,
html[data-bs-theme="dark"] .history-messenger-message.is-own .history-messenger-message__meta {
    color: #7eb5ff;
}

.history-messenger-message__time-value {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
}

.history-messenger-message__status {
    display: flex;
    align-items: center;
    color: inherit;
}

.history-messenger-message__status--unread {
    color: var(--messenger-muted);
}

.history-messenger-message__content p,
.history-messenger-message__content ul,
.history-messenger-message__content blockquote,
.history-messenger-message__content pre {
    margin: 0 0 8px;
}

.history-messenger-message__content p:last-child,
.history-messenger-message__content ul:last-child,
.history-messenger-message__content blockquote:last-child,
.history-messenger-message__content pre:last-child {
    margin-bottom: 0;
}

.history-messenger-message__content {
    min-width: 0;
    word-break: break-word;
}

.history-messenger-toolbar__button:disabled,
.history-messenger-send:disabled,
.history-messenger-composer textarea:disabled,
.history-messenger-attach.is-disabled,
.history-messenger-attach.is-disabled:hover {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--messenger-soft);
}

/* Reply Preview (Composer) */
.history-messenger-reply-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    margin: 10px 0 0;
    background: rgba(148, 163, 184, 0.1);
    border-left: 3px solid var(--messenger-primary);
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.4;
}

.history-messenger-reply-preview.d-none {
    display: none !important;
}

.history-messenger-reply-preview__body {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    margin-right: 8px;
}

.history-messenger-reply-preview__author {
    color: var(--messenger-primary);
    font-weight: 600;
    margin-bottom: 2px;
}

.history-messenger-reply-preview__text {
    color: var(--messenger-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-messenger-reply-preview__close {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    box-shadow: none;
    outline: none;
    color: var(--messenger-muted);
    transition: color 0.2s, background-color 0.2s;
    border-radius: 50%;
}

.history-messenger-reply-preview__close:hover {
    color: var(--messenger-text);
    background-color: var(--messenger-hover);
}

/* Reply Block (Inside Message Bubble) */
.history-messenger-message__reply-block {
    padding: 8px 10px;
    background: rgba(148, 163, 184, 0.1);
    border-left: 3px solid var(--messenger-primary);
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.35;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

[data-bs-theme="dark"] .history-messenger-message__reply-block,
html[data-bs-theme="dark"] .history-messenger-message__reply-block {
    background: rgba(255, 255, 255, 0.06);
}

.history-messenger-message__reply-block:hover {
    background: rgba(148, 163, 184, 0.18);
    transform: translateY(-1px);
}

[data-bs-theme="dark"] .history-messenger-message__reply-block:hover,
html[data-bs-theme="dark"] .history-messenger-message__reply-block:hover {
    background: rgba(255, 255, 255, 0.1);
}

.history-messenger-message.is-own .history-messenger-message__reply-block {
    border-left-color: var(--messenger-primary-strong);
}

.history-messenger-message__reply-author {
    color: var(--messenger-primary);
    font-weight: 600;
    margin-bottom: 2px;
}

.history-messenger-message.is-own .history-messenger-message__reply-author {
    color: var(--messenger-primary-strong);
}

.history-messenger-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.history-messenger-lightbox.d-none {
    display: none !important;
}

.history-messenger-lightbox__backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(3, 9, 20, 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 0;
    cursor: zoom-out;
}

.history-messenger-lightbox__dialog {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: min(92vw, 1440px);
    max-height: calc(100vh - 48px);
}

.history-messenger-lightbox__image {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 48px);
    width: auto;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    background: rgba(255, 255, 255, 0.04);
}

.history-messenger-lightbox__close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    width: 40px;
    height: 40px;
    border: 0;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    backdrop-filter: blur(8px);
}

.history-messenger-lightbox__close:hover {
    background: rgba(15, 23, 42, 0.9);
    color: #fff;
}

body.history-messenger-lightbox-open {
    overflow: hidden;
}

@media (max-width: 767px) {
    .history-messenger-lightbox {
        padding: 12px;
    }

    .history-messenger-lightbox__dialog,
    .history-messenger-lightbox__image {
        max-height: calc(100vh - 24px);
    }

    .history-messenger-lightbox__close {
        top: 8px;
        right: 8px;
    }
}

.history-messenger-message__reply-text {
    color: var(--messenger-text);
    opacity: 0.85;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

/* Reply Action Button */
.history-messenger-message__action-reply {
    position: absolute;
    top: 50%;
    right: -36px;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
    outline: none;
    border-radius: 50%;
    opacity: 0;
    transform: translate(-6px, -50%) scale(0.94);
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s, background-color 0.2s;
    color: var(--messenger-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.history-messenger-message.is-own .history-messenger-message__action-reply {
    right: auto;
    left: -36px;
    transform: translate(6px, -50%) scale(0.94);
}

.history-messenger-message__action-reply:hover {
    color: var(--messenger-primary);
    background: rgba(255, 255, 255, 1);
}

.history-messenger-message:hover .history-messenger-message__action-reply,
.history-messenger-message:focus-within .history-messenger-message__action-reply {
    opacity: 1;
    transform: translate(0, -50%) scale(1);
}

[data-bs-theme="dark"] .history-messenger-message__action-reply,
html[data-bs-theme="dark"] .history-messenger-message__action-reply {
    background: rgba(13, 23, 39, 0.94);
    border-color: rgba(148, 163, 184, 0.16);
    box-shadow: 0 12px 24px rgba(2, 8, 23, 0.36);
    color: #c5d2e8;
}

[data-bs-theme="dark"] .history-messenger-message__action-reply:hover,
html[data-bs-theme="dark"] .history-messenger-message__action-reply:hover {
    background: rgba(20, 33, 53, 0.98);
    color: #78aefc;
}

/* Highlight Animation */
@keyframes messageHighlight {
    0% { background-color: transparent; }
    15% { background-color: var(--messenger-highlight-bg); }
    100% { background-color: transparent; }
}

.history-messenger-message--highlight .history-messenger-message__bubble {
    animation: messageHighlight 2s ease-out;
}

@media (max-width: 767.98px) {
    .history-messenger-root {
        right: 12px;
        bottom: 12px;
    }

    .history-messenger-panel {
        position: fixed;
        inset: 12px;
        bottom: 84px;
        width: auto;
        height: auto;
        grid-template-columns: 1fr;
    }

    .history-messenger-sidebar {
        max-height: 42%;
    }

    .history-messenger-message {
        max-width: 92%;
    }

    .history-messenger-message__body {
        padding-right: 52px;
    }

    .history-messenger-message__action-reply,
    .history-messenger-message.is-own .history-messenger-message__action-reply {
        left: auto;
        right: -34px;
    }

    .history-messenger-composer__actions {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (hover: none) {
    .history-messenger-message__action-reply,
    .history-messenger-message.is-own .history-messenger-message__action-reply {
        opacity: 1;
        transform: translate(0, -50%) scale(1);
    }
}

.history-messenger-sidebar__action.is-active {
    background: var(--messenger-active);
    border-color: rgba(31, 111, 235, 0.5);
    color: var(--messenger-text);
}

.history-messenger-search__result {
    border-radius: 14px;
}

.history-messenger-search__name {
    font-weight: 600;
}

.history-messenger-search__results.d-none,
.history-messenger-list.d-none {
    display: none !important;
}

.history-messenger-thread__messages .history-messenger-empty__title {
    letter-spacing: -0.02em;
}