html.app-chat-scroll-locked,
body.app-chat-scroll-locked {
    overflow: hidden !important;
    overscroll-behavior: none;
}

body.app-chat-scroll-locked {
    touch-action: none;
}

body.app-chat-scroll-locked .app-chat-window,
body.app-chat-scroll-locked .app-chat-mini,
body.app-chat-scroll-locked .mud-popover-provider,
body.app-chat-scroll-locked .mud-popover {
    touch-action: auto;
}

.app-chat-window {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 8000;
    width: min(760px, calc(100vw - 80px));
    max-height: calc(100vh - 80px);
    border-radius: 16px;
    overflow: visible;
    isolation: isolate;
}

.app-chat-dialog {
    padding: 16px;
    max-height: calc(100vh - 80px);
    overflow: hidden;
}

.app-chat-title,
.app-chat-mini-text,
.app-chat-message-anchor,
.app-chat-message-shell,
.app-chat-message-bubble-static,
.app-chat-message-content-wrap,
.app-chat-message-text {
    min-width: 0;
}

.app-chat-refresh-status {
    min-height: 18px;
    opacity: .82;
}

.app-chat-list {
    max-height: min(58vh, 560px);
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: auto !important;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
}

.app-chat-mini {
    position: fixed !important;
    right: 24px !important;
    bottom: max(86px, calc(env(safe-area-inset-bottom) + 86px)) !important;
    z-index: 999 !important;
    width: min(320px, calc(100vw - 48px));
    padding: 12px 14px;
    border-radius: 16px;
    cursor: pointer;
    user-select: none;
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
    isolation: isolate;
    box-shadow: var(--mud-elevation-24) !important;
    transform: translateZ(0);
}

.app-chat-mini:hover,
.app-chat-mini:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--mud-palette-primary) 60%, transparent);
    z-index: 100000 !important;
}

.app-chat-message-anchor {
    scroll-margin: 80px;
    border-radius: 12px;
    position: relative;
    max-width: 100%;
    touch-action: pan-y;
}

.app-chat-message-highlight {
    animation: appChatMessagePulse 1s ease-in-out 3;
}

@keyframes appChatMessagePulse {
    0%, 100% {
        box-shadow: none;
        background: transparent;
    }

    50% {
        box-shadow: inset 0 0 0 2px var(--mud-palette-primary);
        background: color-mix(in srgb, var(--mud-palette-primary) 16%, transparent);
    }
}

.app-chat-message-anchor,
.app-chat-message-anchor .mudx-chat,
.app-chat-message-anchor .mud-x-chat,
.app-chat-message-anchor .mud-chat,
.app-chat-message-anchor .mudx-chat-bubble,
.app-chat-message-anchor .mud-x-chat-bubble,
.app-chat-message-anchor .mud-chat-bubble,
.app-chat-message-bubble-static {
    cursor: default !important;
}

.app-chat-message-anchor:hover,
.app-chat-message-anchor:hover *,
.app-chat-message-bubble-static:hover,
.app-chat-message-bubble-static:hover * {
    filter: none !important;
}

.app-chat-message-anchor .mudx-chat-bubble,
.app-chat-message-anchor .mud-x-chat-bubble,
.app-chat-message-anchor .mud-chat-bubble {
    transition: none !important;
}

.app-chat-message-shell {
    position: relative;
    max-width: 100%;
    padding-inline: 40px;
}

.app-chat-message-shell-own {
    padding-left: 64px;
    padding-right: 40px;
}

.app-chat-message-shell-other {
    padding-left: 40px;
    padding-right: 64px;
}

.app-chat-message-actions {
    position: absolute;
    top: 50%;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%);
    transition: opacity .14s ease;
    z-index: 5;
}

.app-chat-message-actions-own {
    left: 0;
}

.app-chat-message-actions-other {
    right: 0;
}

.app-chat-message-shell:hover .app-chat-message-actions,
.app-chat-message-shell:focus-within .app-chat-message-actions {
    opacity: 1;
    pointer-events: auto;
}

.app-chat-message-action-button {
    touch-action: manipulation;
    width: 30px !important;
    height: 30px !important;
    background: #fff !important;
    color: var(--mud-palette-primary) !important;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 32%, var(--mud-palette-lines-default)) !important;
    box-shadow: var(--mud-elevation-2);
}

.app-chat-message-action-button:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, #fff) !important;
}

.app-chat-own-message .app-chat-own-text,
.app-chat-own-message .mudx-chat-header,
.app-chat-own-message .mud-chat-header,
.app-chat-own-message .mud-typography,
.app-chat-own-message .mud-icon-root,
.app-chat-own-message .mud-button-label {
    color: var(--mud-palette-primary-text) !important;
}

.app-chat-own-message .app-chat-message-action-button,
.app-chat-own-message .app-chat-message-action-button .mud-icon-root {
    color: var(--mud-palette-primary) !important;
}

.app-chat-message-bubble-static,
.app-chat-message-anchor .mudx-chat,
.app-chat-message-anchor .mud-x-chat,
.app-chat-message-anchor .mud-chat,
.app-chat-message-anchor .mudx-chat-bubble,
.app-chat-message-anchor .mud-x-chat-bubble,
.app-chat-message-anchor .mud-chat-bubble,
.app-chat-message-anchor .mud-typography,
.app-chat-message-content-wrap,
.app-chat-message-text {
    max-width: 100% !important;
    min-width: 0 !important;
    white-space: pre-wrap !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
}

.app-chat-message-bubble-static *,
.app-chat-message-text * {
    max-width: 100% !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
}

.app-chat-emoji-picker {
    width: min(340px, calc(100vw - 48px));
    padding: 10px;
}

.app-chat-emoji-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.app-chat-emoji-button {
    width: 34px;
    height: 34px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 10px;
    background: #fff;
    color: var(--mud-palette-text-primary);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.app-chat-emoji-button:hover,
.app-chat-reaction-chip:hover,
.app-chat-reaction-picker-button:hover {
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, #fff);
}

.app-chat-reaction-row {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.app-chat-reaction-chip {
    touch-action: manipulation;
    min-width: 28px;
    height: 26px;
    padding: 0 8px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 999px;
    background: #fff;
    color: var(--mud-palette-text-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    line-height: 1;
    font-size: .86rem;
}

.app-chat-reaction-chip-active {
    border-color: var(--mud-palette-primary);
    background: color-mix(in srgb, var(--mud-palette-primary) 12%, #fff);
    color: var(--mud-palette-primary);
    font-weight: 600;
}

.app-chat-reaction-picker,
.mud-popover .app-chat-reaction-picker {
    width: min(300px, calc(100vw - 48px));
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--mud-elevation-8);
    border: 1px solid var(--mud-palette-lines-default);
}

.app-chat-reaction-picker-button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 12px;
    background: #fff;
    color: var(--mud-palette-text-primary);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
}

.app-chat-reaction-menu-popover,
.app-chat-reaction-menu-popover .mud-popover {
    z-index: 3300 !important;
}

/* Inline-Reaktionsfenster: als Overlay innerhalb der Nachricht anzeigen.
   Dadurch verschiebt sich das Icon nicht und der Picker bleibt auch bei der letzten Nachricht sichtbar. */
.app-chat-reaction-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1290;
    background: transparent;
}

.app-chat-message-anchor {
    overflow: visible;
}

.app-chat-reaction-overlay {
    position: absolute !important;
    top: 4px !important;
    left: 0 !important;
    right: 0 !important;
    bottom: auto !important;
    transform: none !important;
    z-index: 1300;
    display: flex;
    width: 100%;
    max-width: 100%;
    margin: 0 !important;
    pointer-events: none;
}

.app-chat-reaction-overlay-own {
    justify-content: flex-end;
    padding-right: 40px;
    padding-left: 8px;
}

.app-chat-reaction-overlay-other {
    justify-content: flex-start;
    padding-left: 40px;
    padding-right: 8px;
}

.app-chat-reaction-overlay .app-chat-reaction-picker {
    width: min(300px, calc(100vw - 48px)) !important;
    max-width: 100% !important;
    box-sizing: border-box;
    pointer-events: auto;
}

.app-chat-reply-preview,
.app-chat-editor-reply {
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, #fff);
    border-left: 4px solid var(--mud-palette-primary);
    border-radius: 10px;
}

.app-chat-reply-preview {
    touch-action: manipulation;
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    margin-bottom: 8px;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    color: var(--mud-palette-text-primary);
    cursor: pointer;
}

.app-chat-reply-preview-own {
    background: #fff;
}

.app-chat-reply-author {
    display: block;
    color: var(--mud-palette-primary);
    font-weight: 700;
    font-size: .82rem;
}

.app-chat-reply-text,
.app-chat-editor-reply-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-chat-bottom-anchor {
    height: 1px;
    width: 100%;
    flex: 0 0 auto;
}

.app-chat-desktop-only {
    display: inline-flex;
}

@media (hover: none) and (pointer: coarse) {
    .app-chat-desktop-only {
        display: none !important;
    }
}

@media (max-width: 700px) {
    .app-chat-window {
        --app-chat-mobile-gap: 12px;
        --app-chat-mobile-top: max(var(--app-chat-mobile-gap), env(safe-area-inset-top));
        --app-chat-mobile-bottom: max(var(--app-chat-mobile-gap), env(safe-area-inset-bottom));
        position: fixed;
        left: var(--app-chat-mobile-gap);
        right: var(--app-chat-mobile-gap);
        top: var(--app-chat-mobile-top);
        bottom: var(--app-chat-mobile-bottom);
        width: auto;
        max-width: none;
        max-height: none;
        height: auto;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .app-chat-send-button {
        min-height: 40px !important;
        height: 40px !important;
        border-radius: 12px !important;
        font-size: 1rem !important;
        font-weight: 600 !important;
        padding: 0 16px !important;
    }

    .app-chat-send-button .mud-button-label {
        min-height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .app-chat-send-button .mud-progress-circular {
        width: 22px !important;
        height: 22px !important;
    }

    .app-chat-dialog {
        padding: 12px;
        max-height: none;
        height: 100%;
        min-height: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .app-chat-list {
        flex: 1 1 auto;
        min-height: 0;
        max-height: none;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .app-chat-mini {
        right: 12px !important;
        bottom: max(76px, calc(env(safe-area-inset-bottom) + 76px)) !important;
        z-index: 99999 !important;
        width: 56px;
        height: 56px;
        padding: 0;
        border-radius: 999px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .app-chat-mini > .mud-stack,
    .app-chat-mini .mud-stack-row {
        width: auto;
        justify-content: center;
    }

    .app-chat-mini-text {
        display: none !important;
    }

    .app-chat-message-shell {
        padding-inline: 28px;
    }

    .app-chat-message-actions {
        opacity: 1;
        pointer-events: auto;
    }

    .app-chat-message-action-button {
        width: 28px !important;
        height: 28px !important;
    }

    .app-chat-reaction-overlay {
        top: 2px !important;
        justify-content: center !important;
        padding-left: 4px !important;
        padding-right: 4px !important;
    }

    .app-chat-reaction-overlay .app-chat-reaction-picker {
        width: min(300px, calc(100vw - 40px)) !important;
        max-width: calc(100vw - 40px) !important;
    }
}

.wp-chat-linked-row-highlight > td,
.wp-chat-linked-row-highlight .mud-table-cell {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 22%, transparent) !important;
    box-shadow: inset 0 0 0 2px var(--mud-palette-primary) !important;
    transition: background-color .2s ease, box-shadow .2s ease;
}

.app-chat-reference-block,
.app-chat-own-message .app-chat-reference-block,
.app-chat-reference-block .mud-typography,
.app-chat-own-message .app-chat-reference-block .mud-typography,
.app-chat-reference-note,
.app-chat-own-message .app-chat-reference-note {
    background: #fff !important;
    color: var(--mud-palette-text-primary) !important;
}

.app-chat-reference-block {
    background: #fff !important;
    border-color: var(--mud-palette-lines-default) !important;
    border-radius: 12px !important;
}

.app-chat-reference-block .mud-chip-root,
.app-chat-reference-block .mud-chip,
.app-chat-reference-block .mud-chip-content,
.app-chat-reference-chip,
.app-chat-reference-chip .mud-chip-content {
    cursor: pointer !important;
}

.app-chat-reference-actions {
    flex-wrap: wrap;
}

.app-chat-reference-note {
    color: var(--mud-palette-text-primary) !important;
    white-space: pre-wrap;
}

.wp-row-edit-shell {
    width: 100%;
}

.app-chat-send-button {
    min-height: 40px;
    flex: 0 0 auto;
}

.app-chat-send-button .mud-button-label {
    gap: 8px;
}

.wp-row-edit-section {
    border-radius: 14px !important;
}

.wp-row-edit-grid .mud-input-control {
    margin-top: 0 !important;
}

.wp-row-edit-grid .mud-input-root,
.wp-row-edit-grid .mud-input-control,
.wp-row-edit-grid .mud-picker {
    width: 100%;
}

.app-chat-window .app-chat-local-drop-overlay,
.app-chat-mini .app-chat-local-drop-overlay {
    border: 2px dashed var(--mud-palette-primary);
    border-radius: inherit;
}


/* Chat-Dateiupload mit zentralem FileUploadButton/FileUploadPreview */
.app-chat-window.app-chat-drop-active,
.app-chat-mini.app-chat-drop-active {
    outline: none !important;
}

.app-chat-file-upload-component {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.app-chat-file-upload-component .mud-icon-button {
    width: 40px !important;
    height: 40px !important;
}

.app-chat-upload-preview-panel {
    background: color-mix(in srgb, var(--mud-palette-primary) 4%, var(--mud-palette-surface));
}

.app-chat-upload-preview-header {
    min-height: 28px;
}

.app-chat-upload-preview-panel [id^="previewContainer-"]:empty {
    display: none;
}

.app-chat-upload-preview-panel .file-preview-grid,
.app-chat-message-file-preview .file-preview-grid {
    display: grid;
    gap: 8px;
    margin-top: 8px;
}

.app-chat-message-file-preview {
    margin-top: 8px;
    max-width: min(420px, 100%);
}


.app-chat-message-file-preview .file-preview-item,
.app-chat-upload-preview-panel .file-preview-item {
    position: relative;
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 12px;
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
    overflow: hidden;
}

.app-chat-message-file-preview .file-preview-item b,
.app-chat-upload-preview-panel .file-preview-item b {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-chat-message-file-preview .preview-wrapper,
.app-chat-upload-preview-panel .preview-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    background: color-mix(in srgb, var(--mud-palette-lines-default) 18%, transparent);
}

.app-chat-message-file-preview .preview-wrapper img,
.app-chat-message-file-preview .preview-wrapper video,
.app-chat-message-file-preview .preview-wrapper embed,
.app-chat-message-file-preview .preview-img {
    height: 160px !important;
    max-height: 160px !important;
    object-fit: contain;
}

.app-chat-upload-preview-panel .preview-wrapper img,
.app-chat-upload-preview-panel .preview-wrapper video,
.app-chat-upload-preview-panel .preview-wrapper embed,
.app-chat-upload-preview-panel .preview-img {
    height: 220px !important;
    max-height: 220px !important;
    object-fit: contain;
}

.app-chat-message-file-preview audio,
.app-chat-upload-preview-panel audio {
    width: 100%;
}

.app-chat-message-file-preview .zoom-icon,
.app-chat-upload-preview-panel .zoom-icon,
.app-chat-message-file-preview .delete-btn,
.app-chat-upload-preview-panel .delete-btn {
    border: none;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mud-palette-surface) 92%, transparent);
    color: var(--mud-palette-primary);
    box-shadow: var(--mud-elevation-2);
}

@media (max-width: 700px) {
    .app-chat-message-file-preview .file-preview-grid,
    .app-chat-upload-preview-panel .file-preview-grid {
        grid-template-columns: 1fr !important;
    }

    .app-chat-message-file-preview .preview-wrapper img,
    .app-chat-message-file-preview .preview-wrapper video,
    .app-chat-message-file-preview .preview-wrapper embed,
    .app-chat-message-file-preview .preview-img,
    .app-chat-upload-preview-panel .preview-wrapper img,
    .app-chat-upload-preview-panel .preview-wrapper video,
    .app-chat-upload-preview-panel .preview-wrapper embed,
    .app-chat-upload-preview-panel .preview-img {
        height: 150px !important;
        max-height: 150px !important;
    }
}


/* Chat-Dateiupload: Drop-Overlay nur über dem Chatfenster bzw. der minimierten Chatkachel.
   Kein äußerer outline mehr: der gestrichelte Rahmen kommt nur vom inneren Overlay. */

.app-chat-window,
.app-chat-mini {
    overflow: visible;
}

.app-chat-local-drop-overlay {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: 2px dashed var(--mud-palette-primary);
    border-radius: inherit;
    background: color-mix(in srgb, var(--mud-palette-surface) 88%, transparent);
    color: var(--mud-palette-primary);
    box-shadow: inset 0 0 0 999px color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
    pointer-events: none;
    text-align: center;
}

.app-chat-local-drop-overlay-active {
    display: flex;
}

.app-chat-local-drop-overlay-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    max-width: 100%;
}

.app-chat-local-drop-overlay-icon {
    font-size: 34px;
    line-height: 1;
}

.app-chat-local-drop-overlay-title {
    font-weight: 800;
    font-size: 1rem;
    line-height: 1.2;
}

.app-chat-mini .app-chat-local-drop-overlay {
    inset: -6px;
    border-radius: 18px;
    padding: 8px;
}

.app-chat-mini .app-chat-local-drop-overlay-icon {
    font-size: 24px;
}

.app-chat-mini .app-chat-local-drop-overlay-title {
    font-size: .78rem;
}

@media (max-width: 700px) {
    .app-chat-local-drop-overlay-title {
        font-size: .9rem;
    }
}


.app-chat-typing-text {
    min-height: 18px;
    font-style: italic;
}

.app-chat-mini {
    transition: bottom .16s ease, transform .16s ease, box-shadow .16s ease;
}

.app-chat-mini:hover {
    transform: translateY(-1px) translateZ(0);
}


.app-chat-share-overlay .ui-overlay-panel-body {
    overflow: auto;
}

.app-chat-share-participant-table .mud-chip-root {
    margin-right: 4px;
    margin-bottom: 4px;
}

.app-chat-window.app-chat-window-maximized {
    left: 16px !important;
    right: 16px !important;
    top: 16px !important;
    bottom: 16px !important;
    width: auto !important;
    max-width: none !important;
    max-height: none !important;
    height: auto !important;
    display: flex;
    flex-direction: column;
}

.app-chat-window.app-chat-window-maximized .app-chat-dialog {
    height: 100%;
    max-height: none;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.app-chat-window.app-chat-window-maximized .app-chat-list {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
}

/* Fixes 2026-06-03: Mini-Chat darf nicht durch lange Namen wachsen und andere Mini-Chats überdecken. */
.app-chat-mini {
    height: 60px;
    min-height: 60px;
    max-height: 60px;
    overflow: hidden !important;
}

.app-chat-mini-text {
    min-width: 0;
    max-width: 230px;
    overflow: hidden;
}

.app-chat-mini-text .mud-typography {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.app-chat-unread-action-panel {
    background: color-mix(in srgb, var(--mud-palette-warning) 7%, var(--mud-palette-surface));
    border-color: color-mix(in srgb, var(--mud-palette-warning) 38%, var(--mud-palette-lines-default)) !important;
}

@media (max-width: 700px) {
    .app-chat-mini {
        height: 56px;
        min-height: 56px;
        max-height: 56px;
    }
}


/* Fix: Badge in der minimierten Chat-Kachel braucht Platz, damit die Zahl nicht in den Chatnamen ragt. */
.app-chat-mini .mud-badge-root {
    flex: 0 0 auto;
    margin-right: 8px;
}

.app-chat-mini .mud-badge {
    right: -8px !important;
}

.app-chat-mini-text {
    padding-left: 4px;
}

/* Fix 2026-06-07: Leerzustand füllt den Nachrichtenbereich, damit der Editor auf dem Handy unten bleibt. */
.app-chat-list-empty {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 180px;
}

.app-chat-list-empty .mud-alert {
    flex: 0 0 auto;
}

/* Fix 2026-06-07: Auf Touch-Geräten keine seitlichen Reaktions-/Optionsicons mehr.
   Reaktionen werden mobil per Long-Press geöffnet. */
@media (hover: none) and (pointer: coarse) {
    .app-chat-message-actions {
        display: none !important;
    }

    .app-chat-message-shell,
    .app-chat-message-shell-own,
    .app-chat-message-shell-other {
        padding-left: 4px !important;
        padding-right: 4px !important;
    }
}

@media (max-width: 700px) {
    .app-chat-list-empty {
        flex: 1 1 auto;
        min-height: 0;
        max-height: none;
    }

    .app-chat-reaction-backdrop {
        z-index: 1290;
    }

    .app-chat-reaction-overlay,
    .app-chat-reaction-overlay-own,
    .app-chat-reaction-overlay-other {
        position: fixed !important;
        top: var(--app-chat-reaction-overlay-top, 96px) !important;
        left: var(--app-chat-reaction-overlay-left, 50vw) !important;
        right: auto !important;
        bottom: auto !important;
        width: min(300px, calc(100vw - 32px)) !important;
        max-width: calc(100vw - 32px) !important;
        padding: 0 !important;
        margin: 0 !important;
        transform: translateX(-50%) !important;
        justify-content: center !important;
        pointer-events: none;
        z-index: 1300;
    }

    .app-chat-reaction-overlay .app-chat-reaction-picker {
        width: min(300px, calc(100vw - 32px)) !important;
        max-width: calc(100vw - 32px) !important;
        justify-content: center;
        pointer-events: auto;
    }
}

/* Fix 2026-06-07: Chat-Header kompakter, Titel über Aktionen, Subtitle darunter. */
.app-chat-header {
    flex: 0 0 auto;
    min-width: 0;
}

.app-chat-title,
.app-chat-title-main,
.app-chat-subtitle {
    min-width: 0;
    max-width: 100%;
}

.app-chat-title-main,
.app-chat-subtitle {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-chat-subtitle {
    opacity: .72;
}

.app-chat-header-actions-row {
    min-width: 0;
    gap: 4px !important;
}

.app-chat-header-actions {
    flex: 0 0 auto;
    gap: 0 !important;
}

.app-chat-header-actions .mud-icon-button {
    width: 34px !important;
    height: 34px !important;
    padding: 5px !important;
}

.app-chat-refresh-status {
    min-width: 0;
    min-height: 16px;
    opacity: .55;
    color: var(--mud-palette-text-secondary) !important;
}

.app-chat-refresh-status .mud-icon-root,
.app-chat-refresh-status .mud-typography {
    color: var(--mud-palette-text-secondary) !important;
}

.app-chat-refresh-status .mud-typography {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Fix 2026-06-07: Dateivorschau nur bei gewählten Dateien; Composer spart Breite. */
.app-chat-editor-row {
    flex: 0 0 auto;
    min-width: 0;
}

.app-chat-editor-field {
    min-width: 0;
}

.app-chat-editor-side-actions {
    flex: 0 0 auto;
    width: 38px;
    gap: 0 !important;
    padding-bottom: 2px;
}

.app-chat-editor-side-actions .mud-icon-button,
.app-chat-file-upload-component .mud-icon-button {
    width: 36px !important;
    height: 36px !important;
    padding: 5px !important;
}

/* Fix 2026-06-07: Notification-Bell darf auf Mobile nie aus dem Viewport laufen. */
.notification-bell-item {
    width: min(320px, calc(100vw - 40px));
    max-width: calc(100vw - 40px);
    min-width: 0;
    box-sizing: border-box;
    overflow: hidden;
}

.notification-bell-text,
.notification-bell-text .mud-typography,
.notification-bell-title,
.notification-bell-muted {
    display: block;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notification-bell-muted {
    opacity: .7;
}

.notification-bell-action-row {
    margin-top: 6px;
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.notification-bell-action-row .mud-button-root {
    flex: 0 0 auto;
    min-width: auto !important;
    padding-left: 8px !important;
    padding-right: 8px !important;
}

@media (max-width: 700px) {
    .app-chat-dialog {
        gap: 8px !important;
    }

    .app-chat-header-actions-row {
        align-items: center !important;
    }

    .app-chat-header-actions {
        margin-left: auto;
    }

    .app-chat-header-actions .mud-icon-button {
        width: 32px !important;
        height: 32px !important;
        padding: 4px !important;
    }

    .app-chat-refresh-status {
        max-width: 110px;
        font-size: .72rem;
    }

    .app-chat-editor-field textarea {
        min-height: 54px !important;
    }

    .app-chat-send-button {
        min-height: 38px !important;
        height: 38px !important;
    }

    .notification-bell-item {
        width: min(292px, calc(100vw - 36px));
        max-width: calc(100vw - 36px);
    }
}


/* Fix 2026-06-07: Notification-Menü auf Handy mit Randabstand statt direkt am linken Viewport-Rand. */
@media (max-width: 700px) {
    .notification-bell-popover,
    .notification-bell-popover.mud-popover {
        max-width: calc(100vw - 32px) !important;
        box-sizing: border-box !important;
    }

    .notification-bell-popover {
        transform: translateX(12px) !important;
    }

    .notification-bell-popover .mud-paper,
    .notification-bell-popover .mud-menu-list,
    .notification-bell-popover .mud-list,
    .notification-bell-popover .mud-menu {
        max-width: calc(100vw - 32px) !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    .notification-bell-popover .mud-menu-item,
    .notification-bell-popover .mud-list-item,
    .notification-bell-popover .mud-list-item-gutters {
        max-width: calc(100vw - 32px) !important;
        box-sizing: border-box !important;
    }

    .notification-bell-item {
        width: min(280px, calc(100vw - 56px)) !important;
        max-width: calc(100vw - 56px) !important;
    }
}