/* ============================================
   MESSAGING MODULE — Shared Styles
   These are NOT CSS-isolated — apply globally
   Layout: desktop (rail+list+chat+detail),
           tablet (list+chat, detail overlay),
           mobile (single pane)
   ============================================ */

.msg-workspace {
    --msg-bg: var(--mud-palette-background);
    --msg-surface: var(--mud-palette-surface);
    --msg-primary: var(--mud-palette-primary);
    --rc-blue: var(--mud-palette-primary);
    --rc-sidebar-bg: var(--mud-palette-drawer-background);
    --rc-convo-panel-bg: var(--mud-palette-drawer-background);
    --msg-text: var(--mud-palette-text-primary);
    --msg-text-secondary: var(--mud-palette-text-secondary);
    --msg-border: var(--mud-palette-lines-default);
    --msg-hover: color-mix(in srgb, var(--mud-palette-action-default) 6%, transparent);
    --msg-divider: var(--mud-palette-lines-inputs);
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    display: flex;
    background: var(--msg-bg);
    position: relative;
    overflow: hidden;
}

.msg-pane-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

.msg-welcome-pane {
    align-items: center;
    justify-content: center;
}

.msg-welcome {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 24px;
    text-align: center;
}

.msg-welcome-medallion {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
    color: var(--mud-palette-primary);
}

.msg-welcome-title { color: var(--msg-text); }

.msg-welcome-subtitle { color: var(--msg-text-secondary); }

/* ─────────── Navigation rail (desktop) ─────────── */

.msg-nav-rail {
    width: 60px;
    min-width: 60px;
    background: var(--rc-sidebar-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    gap: 4px;
    border-right: 1px solid var(--msg-border);
}

.msg-nav-items {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 0 8px;
}

.msg-nav-item {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    position: relative;
}

.msg-nav-item svg {
    width: 22px;
    height: 22px;
}

.msg-nav-item:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-nav-item.active { background: var(--mud-palette-primary); color: white; }

.msg-nav-item-badge,
.msg-nav-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--mud-palette-error);
    color: white;
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.msg-nav-spacer { flex: 1; }

.msg-nav-user { margin-top: auto; }

.msg-nav-user-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
}

.msg-nav-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    position: relative;
}

.msg-nav-user-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--rc-sidebar-bg);
    position: absolute;
    bottom: 0;
    right: 0;
}

/* ─────────── Conversation panel ─────────── */

.msg-convo-panel {
    width: 340px;
    min-width: 340px;
    display: flex;
    flex-direction: column;
    background: var(--rc-sidebar-bg);
    border-right: 1px solid var(--msg-border);
}

.msg-convo-header {
    padding: 16px 16px 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.msg-convo-header h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--msg-text);
}

.msg-convo-header-actions {
    display: flex;
    gap: 4px;
}

.msg-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.msg-icon-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-convo-search {
    padding: 8px 16px;
    position: relative;
}

.msg-convo-search-icon {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--msg-text-secondary);
    pointer-events: none;
}

.msg-convo-search-input {
    width: 100%;
    padding: 8px 12px 8px 32px;
    border: 1px solid var(--msg-border);
    border-radius: 8px;
    background: var(--msg-bg);
    color: var(--msg-text);
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
}

.msg-convo-search-input:focus { border-color: var(--msg-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--msg-primary) 20%, transparent); }

.msg-convo-filters {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    flex-wrap: wrap;
}

.msg-filter-pill {
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid var(--msg-border);
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}

.msg-filter-pill:hover { background: var(--msg-hover); }

.msg-filter-pill.active {
    background: var(--msg-primary);
    color: white;
    border-color: var(--msg-primary);
}

.msg-convo-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px 12px;
    overscroll-behavior: contain;
}

.msg-convo-loading, .msg-convo-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    color: var(--msg-text-secondary);
}

.msg-convo-empty {
    flex-direction: column;
    text-align: center;
}

.msg-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--msg-border);
    border-top-color: var(--msg-primary);
    border-radius: 50%;
    animation: msg-spin 0.6s linear infinite;
}

@keyframes msg-spin {
    to { transform: rotate(360deg); }
}

.msg-convo-section-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--msg-text-secondary);
    padding: 10px 12px 4px;
}

.msg-convo-item {
    display: flex;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
    align-items: center;
}

.msg-convo-item:hover { background: var(--msg-hover); }

.msg-convo-item.selected {
    background: color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
}

.msg-convo-item-avatar { position: relative; flex-shrink: 0; }

.msg-convo-item-avatar-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 15px;
}

img.msg-convo-item-avatar-circle,
img.msg-pick-avatar {
    object-fit: cover;
    padding: 0;
}

.msg-chat-user-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.msg-convo-item-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--rc-sidebar-bg);
    position: absolute;
    bottom: 0;
    right: 0;
}

.msg-convo-item-status.online { background: #2de0a5; }

.msg-convo-item-status.offline { background: #9e9e9e; }

.msg-convo-item-info { flex: 1; min-width: 0; }

.msg-convo-item-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.msg-convo-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--msg-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-convo-item-title.has-unread { font-weight: 700; }

.msg-convo-item-time {
    font-size: 12px;
    color: var(--msg-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.msg-convo-item-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
}

.msg-convo-item-preview {
    font-size: 13px;
    color: var(--msg-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-convo-item-badges {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
}

.msg-convo-unread-badge {
    background: var(--msg-primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.msg-convo-pin-badge { color: var(--msg-text-secondary); display: flex; }

.msg-convo-mute-badge { color: var(--msg-text-secondary); opacity: 0.8; display: flex; }

.msg-convo-pin-badge svg, .msg-convo-mute-badge svg { display: block; }

.msg-convo-item-menu-wrap { position: relative; flex-shrink: 0; }

.msg-convo-item-menu-btn {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    display: none;
    align-items: center;
    justify-content: center;
}

.msg-convo-item:hover .msg-convo-item-menu-btn { display: flex; }

.msg-convo-item-menu-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-convo-item-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    z-index: 40;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.16);
    padding: 4px;
    min-width: 190px;
}

.msg-convo-item-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 9px 12px;
    border: none;
    background: transparent;
    color: var(--msg-text);
    font-size: 13px;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
}

.msg-convo-item-menu button:hover { background: var(--msg-hover); }

/* ─────────── Chat header ─────────── */

.msg-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--msg-surface);
    border-bottom: 1px solid var(--msg-border);
    min-height: 60px;
    gap: 8px;
    z-index: 20;
}

.msg-chat-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.msg-back-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.msg-back-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-chat-header-avatar {
    flex-shrink: 0;
    position: relative;
}

.msg-chat-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 15px;
    position: relative;
}

.msg-chat-user-status {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 2px solid var(--msg-surface);
    position: absolute;
    bottom: 0;
    right: 0;
}

.msg-chat-user-status.online { background: #2de0a5; }
.msg-chat-user-status.offline { background: #9e9e9e; }

.msg-chat-header-info {
    flex: 1;
    min-width: 0;
}

.msg-chat-header-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--msg-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-chat-header-subtitle {
    font-size: 12px;
    color: var(--msg-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-chat-header-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
    align-items: center;
}

.msg-header-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.15s;
}

.msg-header-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-header-btn.active { color: var(--msg-primary); }

.msg-header-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--mud-palette-primary);
    color: white;
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.msg-header-menu-wrap { position: relative; }

.msg-header-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 50;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.18);
    padding: 6px;
    min-width: 210px;
}

.msg-header-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: var(--msg-text);
    font-size: 13.5px;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
}

.msg-header-menu-item:hover { background: var(--msg-hover); }

.msg-header-menu-item.danger { color: #d32f2f; }

.msg-header-menu-item.danger:hover { background: color-mix(in srgb, #d32f2f 10%, transparent); }

/* ─────────── Messages area ─────────── */

.msg-messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: var(--msg-bg);
    position: relative;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
}

.msg-date-separator {
    text-align: center;
    padding: 16px 0;
    color: var(--msg-text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.msg-row {
    display: flex;
    gap: 8px;
    margin-bottom: 2px;
    position: relative;
}

.msg-row.group-start { margin-top: 14px; }

.msg-row-avatar { width: 36px; flex-shrink: 0; }

.msg-body {
    flex: 1;
    min-width: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.msg-sender-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--msg-text);
    margin-bottom: 2px;
    padding-left: 2px;
}

.msg-bubble {
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 16px;
    position: relative;
    word-wrap: break-word;
}

.msg-row.outgoing { justify-content: flex-end; }
.msg-row.outgoing .msg-body { display: flex; flex-direction: column; align-items: flex-end; }
.msg-row.incoming .msg-body { display: flex; flex-direction: column; align-items: flex-start; }

.msg-bubble.incoming {
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-bottom-left-radius: 4px;
}

.msg-bubble.outgoing {
    background: var(--msg-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.msg-bubble-grouped { border-radius: 16px; }

.msg-bubble-grouped.incoming { border-top-left-radius: 4px; }

.msg-bubble-grouped.outgoing { border-top-right-radius: 4px; }

.msg-text { font-size: 14px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }

.msg-footer {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    justify-content: flex-end;
}

.msg-time {
    font-size: 11px;
    color: var(--mud-palette-text-disabled);
}

.msg-bubble.outgoing .msg-time { color: rgba(255,255,255,0.7); }

.msg-bubble.incoming .msg-time { color: var(--mud-palette-text-disabled); }

.msg-read-receipt {
    font-size: 11px;
    color: var(--mud-palette-info);
    letter-spacing: -1px;
}

.msg-bubble.outgoing .msg-read-receipt { color: rgba(255,255,255,0.85); }

.msg-edited {
    font-size: 10px;
    color: var(--mud-palette-text-disabled);
    font-style: italic;
}

/* Pinned banner + reply quote inside bubbles */
.msg-pinned-banner {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 4px;
    opacity: 0.85;
    display: flex;
    align-items: center;
    gap: 4px;
}

.msg-pinned-banner svg { flex-shrink: 0; }

.msg-reply-quote {
    border-left: 3px solid currentColor;
    padding-left: 8px;
    margin-bottom: 6px;
    opacity: 0.85;
    display: flex;
    flex-direction: column;
}

.msg-reply-quote-label {
    font-size: 11px;
    font-weight: 700;
}

.msg-reply-quote-text {
    font-size: 12px;
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 260px;
}

/* Attachments */
.msg-attachments { margin-top: 6px; }

.msg-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    max-width: 340px;
}

.msg-image-grid.single {
    grid-template-columns: 1fr;
    max-width: 340px;
}

.msg-attachment-image {
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    min-height: 80px;
    background: var(--msg-hover);
}

.msg-attachment-image img {
    width: 100%;
    max-height: 300px;
    min-height: 80px;
    object-fit: cover;
    display: block;
    transition: transform 0.2s;
}

.msg-attachment-image:hover img { transform: scale(1.02); }

.msg-media-player { margin-bottom: 6px; max-width: 340px; }

.msg-media-name {
    font-size: 12px;
    margin-top: 2px;
    opacity: 0.85;
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.msg-media-name svg { flex-shrink: 0; }

.msg-media-name-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-file-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(0,0,0,0.045);
    text-decoration: none;
    color: var(--msg-text);
    font-size: 13px;
    margin-bottom: 4px;
    max-width: 340px;
    transition: background 0.15s;
}

.msg-file-card:hover { background: var(--msg-hover); }

.msg-bubble.outgoing .msg-file-card { background: rgba(255,255,255,0.14); color: white; }
.msg-bubble.outgoing .msg-file-card .msg-file-size { color: rgba(255,255,255,0.75); }
.msg-bubble.outgoing .msg-file-card:hover { background: rgba(255,255,255,0.22); }

.msg-file-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    color: white;
    letter-spacing: 0.3px;
    flex-shrink: 0;
}

.msg-file-icon.pdf { background: #e53935; }
.msg-file-icon.doc { background: #1e88e5; }
.msg-file-icon.xls { background: #43a047; }
.msg-file-icon.ppt { background: #fb8c00; }
.msg-file-icon.zip { background: #6d4c41; }
.msg-file-icon.file { background: #757575; }

.msg-file-meta {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.msg-file-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-file-size { font-size: 11px; opacity: 0.75; }

.msg-file-download {
    flex-shrink: 0;
    opacity: 0.6;
    display: flex;
}

/* Reactions */
.msg-reactions {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.msg-reaction-chip {
    padding: 3px 9px;
    border-radius: 12px;
    border: 1px solid var(--msg-border);
    background: var(--msg-surface);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--msg-text);
}

.msg-bubble.outgoing .msg-reaction-chip { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.35); color: white; }

.msg-reaction-chip:hover { background: var(--msg-hover); }

.msg-reaction-chip.active {
    background: color-mix(in srgb, var(--mud-palette-primary) 20%, transparent);
    border-color: var(--msg-primary);
}

.msg-actions {
    position: absolute;
    top: -16px;
    right: 0;
    display: flex;
    gap: 2px;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.14);
    padding: 3px;
    z-index: 15;
}

.msg-action-btn {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.15s;
}

.msg-action-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-action-delete:hover { background: color-mix(in srgb, #d32f2f 14%, transparent); color: #d32f2f; }

.msg-bubble-more {
    position: absolute;
    bottom: -28px;
    right: 8px;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: none;
    background: var(--msg-surface);
    box-shadow: 0 2px 8px rgba(0,0,0,0.14);
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.msg-bubble-more:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-reaction-picker-inline {
    display: flex;
    gap: 2px;
    padding: 4px 6px;
    margin-top: 4px;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    z-index: 15;
}

.msg-inline-reaction {
    padding: 2px 6px;
    border-radius: 8px;
    border: none;
    background: transparent;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.1s;
}

.msg-inline-reaction:hover { background: var(--msg-hover); }

.msg-inline-reaction.active { background: color-mix(in srgb, var(--mud-palette-primary) 20%, transparent); }

.msg-mention-highlight {
    background: rgba(var(--mud-palette-primary-rgb), 0.15);
    color: var(--mud-palette-primary);
    padding: 0 3px;
    border-radius: 4px;
    font-weight: 600;
}

.msg-bubble.outgoing .msg-mention-highlight {
    background: rgba(255,255,255,0.22);
    color: white;
}

.msg-hashtag {
    color: var(--mud-palette-primary);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.msg-bubble.outgoing .msg-hashtag { color: rgba(255,255,255,0.92); text-decoration: underline; }

.msg-hashtag:hover { text-decoration: underline; }

/* Scroll-to-bottom button */
.msg-scroll-bottom-btn {
    position: absolute;
    bottom: 84px;
    left: 50%;
    transform: translateX(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--msg-border);
    background: var(--msg-surface);
    color: var(--msg-text-secondary);
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 8;
}

.msg-scroll-bottom-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

/* Flash highlight for scroll-to-message */
@keyframes msg-flash-glow {
    0%, 100% { background-color: transparent; }
    30% { background-color: color-mix(in srgb, var(--mud-palette-primary) 22%, transparent); border-radius: 12px; }
}

.msg-flash { animation: msg-flash-glow 2.2s ease-in-out; }

/* Load older / loading / empty */
.msg-load-older {
    text-align: center;
    padding: 8px;
}

.msg-load-older-btn {
    background: var(--msg-hover);
    border: 1px solid var(--msg-border);
    border-radius: 8px;
    padding: 6px 16px;
    color: var(--msg-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.msg-load-older-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--msg-text-secondary);
}

.msg-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    color: var(--msg-text-secondary);
    text-align: center;
    flex-direction: column;
    gap: 8px;
}

.msg-empty-state h3 {
    margin: 0;
    color: var(--msg-text);
    font-size: 18px;
}

.msg-empty-state p { margin: 0; }

/* ─────────── Input area ─────────── */

.msg-input-wrapper {
    padding: 12px 16px;
    border-top: 1px solid var(--msg-border);
    background: var(--msg-surface);
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
}

.msg-reply-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    margin-bottom: 8px;
    background: var(--msg-bg);
    border-radius: 8px;
    border-left: 3px solid var(--msg-primary);
}

.msg-reply-preview-content {
    flex: 1;
    min-width: 0;
}

.msg-reply-preview-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--msg-primary);
    display: block;
}

.msg-reply-preview-text {
    font-size: 13px;
    color: var(--msg-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.msg-reply-close {
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
}

.msg-input-row {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    border: 1px solid var(--msg-border);
    border-radius: 14px;
    padding: 6px 8px;
    background: var(--msg-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.msg-input-row:focus-within { border-color: var(--msg-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--msg-primary) 18%, transparent); }

.msg-input-row.drop-active,
.msg-input-row.msg-drop-active {
    border-color: var(--msg-primary);
    box-shadow: inset 0 0 0 2px var(--msg-primary);
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, var(--msg-bg));
}

.msg-input-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}

.msg-input-btn:hover { background: var(--msg-hover); color: var(--msg-primary); }

.msg-input-field-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-end;
}

.msg-input-field {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: var(--msg-text);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    line-height: 1.4;
    padding: 8px 0;
}

.msg-input-field::placeholder { color: var(--msg-text-secondary); }

.msg-send-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: var(--msg-primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: opacity 0.15s, transform 0.1s;
}

.msg-send-btn:disabled { opacity: 0.4; cursor: default; }

.msg-send-btn:hover:not(:disabled) { opacity: 0.9; transform: scale(1.04); }

/* Emoji picker */
.msg-emoji-wrap { position: relative; flex-shrink: 0; }

.msg-emoji-picker {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 14px;
    box-shadow: 0 10px 32px rgba(0,0,0,0.2);
    padding: 10px;
    z-index: 60;
    width: 300px;
}

.msg-emoji-picker-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 2px;
    max-height: 240px;
    overflow-y: auto;
}

.msg-emoji-btn {
    border: none;
    background: transparent;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    line-height: 1;
    transition: background 0.1s;
}

.msg-emoji-btn:hover { background: var(--msg-hover); }

.msg-emoji-close {
    position: absolute;
    top: 6px;
    right: 6px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 4px;
}

/* Mention popup */
.msg-mention-popup {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--msg-surface);
    border: 1px solid var(--msg-border);
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.14);
    max-height: 220px;
    overflow-y: auto;
    z-index: 55;
}

.msg-mention-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
}

.msg-mention-item:hover,
.msg-mention-item.selected { background: var(--msg-hover); }

.msg-mention-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--msg-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.msg-mention-name { font-size: 13px; color: var(--msg-text); }

/* ─────────── Detail panel ─────────── */

.msg-detail-panel {
    width: 300px;
    min-width: 300px;
    border-left: 1px solid var(--msg-border);
    background: var(--msg-surface);
    display: flex;
    flex-direction: column;
}

.msg-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--msg-border);
}

.msg-detail-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--msg-text);
}

.msg-detail-tabs {
    display: flex;
    border-bottom: 1px solid var(--msg-border);
}

.msg-detail-tab {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.msg-detail-tab:hover { color: var(--msg-text); }

.msg-detail-tab.active {
    color: var(--msg-primary);
    border-bottom-color: var(--msg-primary);
}

.msg-detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.msg-detail-member {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
}

.msg-detail-member:hover { background: var(--msg-hover); }

.msg-detail-member-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 13px;
    position: relative;
    flex-shrink: 0;
}

.msg-detail-member-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--msg-surface);
    position: absolute;
    bottom: 0;
    right: 0;
}

.msg-detail-member-info { flex: 1; min-width: 0; }

.msg-detail-member-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--msg-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 6px;
}

.msg-detail-member-status-text {
    font-size: 11px;
    color: var(--msg-text-secondary);
}

/* Multi-forward selection bar + selected message highlight */
.msg-forward-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-top: 1px solid var(--msg-border);
    background: var(--mud-palette-surface, #fff);
}

.msg-row.msg-selected .msg-bubble {
    outline: 2px solid var(--mud-palette-primary, #1976d2);
    outline-offset: 1px;
}

/* Read receipt button (opens Read-by for the message) */
.msg-read-receipt-btn {
    background: none;
    border: none;
    padding: 0 0 0 4px;
    cursor: pointer;
    color: inherit;
}

/* Read-by list (detail panel, members tab) */
.msg-detail-readby {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--msg-border);
}
.msg-detail-readby-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--msg-text-secondary);
    margin-bottom: 8px;
}

.msg-detail-readby-scope {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--msg-text-secondary);
    margin-bottom: 8px;
}

.msg-detail-readby-clear {
    font-size: 11px;
    color: var(--msg-text-secondary);
    background: none;
    border: 1px solid var(--msg-border);
    border-radius: 999px;
    padding: 1px 8px;
    cursor: pointer;
}

.msg-detail-readby-names {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}

.msg-detail-readby-name {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--msg-border);
}

.msg-detail-readby-name.read {
    color: var(--msg-text);
    background: var(--mud-palette-surface, #fff);
}

.msg-detail-readby-name.unread {
    color: var(--msg-text-secondary);
    border-style: dashed;
}

.msg-detail-readby-empty {
    font-size: 12px;
    color: var(--msg-text-secondary);
}

/* Activity tab (conversation audit trail for reviewers) */
.msg-detail-activity {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.msg-detail-activity-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
}

.msg-detail-activity-main {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.msg-detail-activity-actor {
    font-weight: 600;
    color: var(--msg-text);
}

.msg-detail-activity-action {
    color: var(--msg-text-secondary);
}

.msg-detail-activity-time {
    white-space: nowrap;
    color: var(--msg-text-secondary);
}

.msg-admin-badge {
    font-size: 10px;
    font-weight: 700;
    color: var(--msg-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid color-mix(in srgb, var(--msg-primary) 40%, transparent);
    border-radius: 6px;
    padding: 0 5px;
    flex-shrink: 0;
}

.msg-detail-member-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

.msg-detail-action-btn {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--msg-text-secondary);
    cursor: pointer;
    font-size: 14px;
}

.msg-detail-action-btn:hover { background: var(--msg-hover); color: var(--msg-text); }

.msg-detail-action-btn.danger:hover { background: color-mix(in srgb, #d32f2f 14%, transparent); color: #d32f2f; }

.msg-detail-add-member-btn {
    width: calc(100% - 16px);
    margin: 12px 8px;
    padding: 10px;
    border: 1px dashed var(--msg-border);
    border-radius: 10px;
    background: transparent;
    color: var(--msg-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.msg-detail-add-member-btn:hover { background: var(--msg-hover); }

.msg-detail-pin-item {
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    border: 1px solid transparent;
}

.msg-detail-pin-item:hover { background: var(--msg-hover); border-color: var(--msg-border); }

.msg-detail-pin-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--msg-primary);
    margin-bottom: 3px;
}

.msg-detail-pin-content {
    font-size: 13px;
    color: var(--msg-text);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.msg-detail-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--msg-text-secondary);
    font-size: 13px;
}

.msg-detail-file-section {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--msg-text-secondary);
    padding: 12px 12px 6px;
}

.msg-detail-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 0 8px;
}

.msg-detail-image-thumb {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
}

.msg-detail-file-item {
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--msg-text);
    font-size: 13px;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-detail-file-item:hover { background: var(--msg-hover); }

/* Detail overlay (tablet/mobile) */
.msg-detail-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 40;
    display: flex;
    justify-content: flex-end;
    animation: msg-fade-in 0.15s ease-out;
}

.msg-detail-overlay > div {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: flex-end;
}

.msg-detail-overlay .msg-detail-panel {
    height: 100%;
    animation: msg-slide-in 0.18s ease-out;
}

@keyframes msg-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes msg-slide-in {
    from { transform: translateX(30px); opacity: 0.5; }
    to { transform: translateX(0); opacity: 1; }
}

/* ─────────── User avatar ─────────── */

.msg-avatar { border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }

.msg-avatar-sm { font-size: 12px; }
.msg-avatar-md { font-size: 14px; }
.msg-avatar-lg { font-size: 18px; }
.msg-avatar-xl { font-size: 22px; }

.msg-avatar-status {
    position: absolute;
    bottom: 0;
    right: 0;
    border-radius: 50%;
    border: 2px solid var(--msg-surface);
}

.msg-avatar-with-status { position: relative; }

/* ─────────── Typing indicator ─────────── */

.msg-typing,
.msg-typing-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--msg-text-secondary);
}

.msg-typing-text {
    font-size: 12px;
    color: var(--msg-text-secondary);
    font-style: italic;
}

.msg-typing-dots {
    display: flex;
    gap: 2px;
}

.msg-typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--msg-text-secondary);
    animation: msg-typing-bounce 1.4s ease-in-out infinite both;
}

.msg-typing-dot:nth-child(1) { animation-delay: 0s; }
.msg-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.msg-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes msg-typing-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ─────────── Lightbox ─────────── */

.msg-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
    animation: msg-fade-in 0.15s ease-out;
}

.msg-lightbox-img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 6px;
    cursor: default;
}

.msg-lightbox-btn {
    position: absolute;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.14);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-lightbox-btn:hover { background: rgba(255,255,255,0.26); }

.msg-lightbox-close { top: 20px; right: 20px; }

/* ─────────── Picker avatars (dialogs) ─────────── */

.msg-pick-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg,#1d74f5,#175bc2);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.msg-pick-status {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--mud-palette-surface);
    bottom: 0;
    right: 0;
}

.msg-pick-status.online { background: #2de0a5; }
.msg-pick-status.offline { background: #9e9e9e; }

/* ─────────── Status dialog ─────────── */

.msg-status-option { transition: all 0.15s; }

.msg-status-option:hover { background: var(--msg-hover); }

.msg-status-option.selected {
    border-color: var(--mud-palette-primary) !important;
    background: color-mix(in srgb, var(--mud-palette-primary) 8%, transparent);
}

.msg-status-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ─────────── Upload dialog ─────────── */

.msg-upload-dropzone {
    border: 2px dashed var(--mud-palette-lines-inputs);
    border-radius: 12px;
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.msg-upload-dropzone:hover,
.msg-upload-dropzone.drop-active,
.msg-upload-dropzone.msg-drop-active {
    border-color: var(--mud-palette-primary);
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, transparent);
}

.msg-upload-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--mud-palette-lines-inputs);
    border-radius: 10px;
}

.msg-upload-thumb {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet: 768px – 1099px — two panes, detail as overlay */
@media (max-width: 1099px) {
    .msg-convo-panel {
        width: 300px;
        min-width: 300px;
    }

    .msg-bubble { max-width: 80%; }
}

/* Mobile: < 768px — single pane */
@media (max-width: 767px) {
    .msg-workspace {
        height: calc(100vh - 56px);
        height: calc(100dvh - 56px);
    }

    .msg-convo-panel {
        width: 100%;
        min-width: 0;
        border-right: none;
    }

    .msg-bubble { max-width: 86%; }

    .msg-image-grid, .msg-file-card, .msg-media-player { max-width: 100%; }

    .msg-chat-header { padding: 10px 12px; }

    .msg-input-wrapper { padding: 8px 10px; }

    .msg-messages-area { padding: 12px; }

    .msg-detail-overlay .msg-detail-panel {
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }

    .msg-emoji-picker {
        width: 260px;
        right: -40px;
    }

    .msg-emoji-picker-grid { grid-template-columns: repeat(8, 1fr); }

    /* Touch devices: always show the per-message more button */
    .msg-bubble-more { display: flex; }

    .msg-convo-item-menu-btn { display: flex; }

    .msg-actions { top: auto; bottom: calc(100% + 4px); }

    /* Larger touch targets */
    .msg-input-btn, .msg-send-btn, .msg-header-btn, .msg-icon-btn, .msg-back-btn { width: 44px; height: 44px; }
}

/* Touch-capable devices: show the more button without hover */
@media (hover: none) {
    .msg-bubble-more { display: flex; }
    .msg-convo-item-menu-btn { display: flex; }

    /* Keep the always-visible ⋯ button from overlapping the next bubble */
    .msg-row { margin-bottom: 30px; }
    .msg-row:last-child { margin-bottom: 4px; }
}

/* Unread chat popups (app-wide quick reply) */
.msg-popups {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: min(360px, calc(100vw - 32px));
    font-family: inherit;
}

.msg-popup-card {
    background: var(--mud-palette-surface, #fff);
    color: var(--mud-palette-text-primary, #212121);
    border: 1px solid var(--mud-palette-lines-default, var(--msg-border, #e0e0e0));
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    padding: 12px 12px 10px;
}

.msg-popup-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2px;
}

.msg-popup-dot {
    width: 8px;
    height: 8px;
    flex: none;
    border-radius: 50%;
    background: var(--mud-palette-primary, #1d74f5);
}

.msg-popup-title {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.msg-popup-count {
    flex: none;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--mud-palette-primary, #1d74f5);
    color: var(--mud-palette-primary-text, #fff);
}

.msg-popup-close {
    flex: none;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 4px 6px;
    color: var(--mud-palette-text-secondary, #757575);
}

.msg-popup-close:hover {
    background: var(--mud-palette-action-default-hover, rgba(0, 0, 0, 0.06));
    color: var(--mud-palette-text-primary, #212121);
}

.msg-popup-preview {
    font-size: 13px;
    color: var(--mud-palette-text-secondary, #616161);
    margin: 2px 0 10px 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.msg-popup-error {
    font-size: 12px;
    color: var(--mud-palette-error, #d32f2f);
    margin: 0 0 8px 16px;
}

.msg-popup-reply-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.msg-popup-input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--mud-palette-lines-inputline, var(--mud-palette-lines-default, #e0e0e0));
    border-radius: 8px;
    padding: 7px 10px;
    font-size: 13px;
    outline: none;
    background: var(--mud-palette-background, transparent);
    color: var(--mud-palette-text-primary, inherit);
}

.msg-popup-input::placeholder {
    color: var(--mud-palette-text-disabled, #9e9e9e);
}

.msg-popup-input:focus {
    border-color: var(--mud-palette-primary, #1d74f5);
    box-shadow: 0 0 0 1px var(--mud-palette-primary, #1d74f5);
}

.msg-popup-input:disabled {
    opacity: 0.6;
}

.msg-popup-btn {
    border: 1px solid var(--mud-palette-primary, #1d74f5);
    background: transparent;
    color: var(--mud-palette-primary, #1d74f5);
    border-radius: 8px;
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.msg-popup-btn:hover:not(:disabled) {
    background: var(--mud-palette-action-default-hover, rgba(0, 0, 0, 0.05));
}

.msg-popup-btn.primary {
    background: var(--mud-palette-primary, #1d74f5);
    border-color: var(--mud-palette-primary, #1d74f5);
    color: var(--mud-palette-primary-text, #fff);
}

.msg-popup-btn.primary:hover:not(:disabled) {
    filter: brightness(0.92);
}

.msg-popup-btn:disabled {
    opacity: 0.55;
    cursor: default;
}

.msg-popup-more {
    border: 1px dashed var(--mud-palette-lines-default, var(--msg-border, #e0e0e0));
    background: var(--mud-palette-surface, #fff);
    color: var(--mud-palette-text-secondary, #616161);
    border-radius: 12px;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.msg-popup-more:hover {
    color: var(--mud-palette-primary, #1d74f5);
    border-color: var(--mud-palette-primary, #1d74f5);
}

/* ============================================
   INSIGHTS & SCHEDULED SEND
   ============================================ */

/* Compact KPI strip inside the conversation list (host page supplies KpiCard). */
.msg-insights-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 4px 16px 10px;
}

.msg-insights-grid .fsh-kpi {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 10px;
    min-width: 0;
}

.msg-insights-grid .fsh-kpi-icon {
    width: 26px;
    height: 26px;
}

.msg-insights-grid .fsh-kpi-icon .mud-icon-root {
    font-size: 16px;
}

.msg-insights-grid .fsh-kpi-value {
    font-size: 1.05rem !important;
    line-height: 1.15;
}

.msg-insights-grid .fsh-kpi-label {
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.msg-insights-skeleton {
    height: 68px;
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--msg-border);
    background: var(--msg-hover);
    animation: msg-insights-pulse 1.4s ease-in-out infinite;
}

@keyframes msg-insights-pulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.85; }
}

/* Scheduled send dialogs */
.msg-schedule-preview,
.msg-scheduled-item {
    border: 1px solid var(--msg-border);
    border-radius: var(--radius-md, 8px);
    background: var(--mud-palette-surface, #fff);
}

.msg-schedule-preview-text {
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 96px;
    overflow: hidden;
}

.msg-scheduled-text {
    white-space: pre-wrap;
    word-break: break-word;
}