/* ============================================
   MESSAGES HUB - Layout 2 Colonnes (PC) / Navigation Mobile (Instagram Style)
   Version 3.4 - CORRECTIONS FINALES + MODAL PREMIUM
   ✅ Panel conversations PLUS LARGE sur PC (340px)
   ✅ Espacement UNIFORME des 3 boutons sur mobile
   ✅ Bouton suppression à GAUCHE du message
   ✅ Bulles compactes
   ✅ Modal de partage premium avec onglets Users/Groups
   ============================================ */

/* ===== VARIABLES COULEURS ===== */
:root {
    --msg-primary: #667eea;
    --msg-secondary: #764ba2;
    --msg-success: #10b981;
    --msg-danger: #ef4444;
}

/* ===== LAYOUT PRINCIPAL ===== */
.messages-container {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 16px;
    height: calc(100vh - 140px);
    max-width: 100%;
    margin: 0 auto;
    padding: 12px;
    overflow: hidden;
}

/* ===== PANEL GAUCHE (Conversations) ===== */
.conversations-panel {
    background: var(--background-primary, #ffffff);
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body.dark-mode .conversations-panel {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Search Section */
.search-users-section {
    padding: 20px;
    border-bottom: 2px solid var(--border-color, #e2e8f0);
    position: relative;
}

body.dark-mode .search-users-section {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.search-box {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary, #64748b);
    font-size: 1rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border-radius: 12px;
    border: 2px solid var(--border-color, #e2e8f0);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--background-primary, #ffffff);
    color: var(--text-primary, #1e293b);
}

body.dark-mode .search-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #f8fafc);
}

.search-input:focus {
    outline: none;
    border-color: var(--msg-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* User Search Results */
.user-search-results {
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    margin-top: 8px;
    max-height: 350px;
    overflow-y: auto;
    background: var(--background-primary, #ffffff);
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
}

body.dark-mode .user-search-results {
    background: rgba(15, 23, 42, 0.98);
    border-color: rgba(255, 255, 255, 0.1);
}

.user-result-card {
    background: transparent;
    border-bottom: 2px solid var(--border-color, #e2e8f0);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-result-card:last-child {
    border-bottom: none;
}

body.dark-mode .user-result-card {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.user-result-card:hover {
    background: rgba(102, 126, 234, 0.08);
}

.user-result-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--msg-primary);
    flex-shrink: 0;
}

.user-result-info {
    flex: 1;
    min-width: 0;
}

.user-result-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    margin-bottom: 2px;
}

body.dark-mode .user-result-name {
    color: var(--text-primary, #f8fafc);
}

.user-result-email {
    font-size: 0.8rem;
    color: var(--text-secondary, #64748b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.start-chat-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.start-chat-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Filters + Create Group Button */
.conversations-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    border-bottom: 2px solid var(--border-color, #e2e8f0);
    flex-wrap: nowrap;
}

body.dark-mode .conversations-filters {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.filter-btn {
    padding: 10px 12px;
    border-radius: 10px;
    border: 2px solid var(--border-color, #e2e8f0);
    background: transparent;
    color: var(--text-primary, #1e293b);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-shrink: 0;
    white-space: nowrap;
}

body.dark-mode .filter-btn {
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #f8fafc);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    color: white;
    border-color: transparent;
}

.filter-btn:hover:not(.active) {
    background: rgba(102, 126, 234, 0.08);
    border-color: var(--msg-primary);
}

.filter-badge {
    background: var(--msg-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.conversations-count {
    font-size: 0.85rem;
    opacity: 0.8;
}

.create-group-btn {
    padding: 10px 12px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-shrink: 0;
    margin-left: auto;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    white-space: nowrap;
}

.create-group-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.create-group-btn i {
    font-size: 0.9rem;
}

/* Conversations List */
.conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.conversation-card {
    background: var(--background-primary, #ffffff);
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

body.dark-mode .conversation-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

.conversation-card:hover {
    transform: translateX(4px);
    border-color: var(--msg-primary);
    background: rgba(102, 126, 234, 0.05);
}

.conversation-card.active {
    border-color: var(--msg-primary);
    background: rgba(102, 126, 234, 0.1);
}

body.dark-mode .conversation-card.active {
    background: rgba(102, 126, 234, 0.15);
}

.conversation-card.unread {
    border-color: var(--msg-primary);
    background: rgba(102, 126, 234, 0.08);
}

.conversation-avatar-wrapper {
    position: relative;
    flex-shrink: 0;
}

.conversation-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(102, 126, 234, 0.2);
}

.online-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 14px;
    height: 14px;
    background: var(--msg-success);
    border: 3px solid var(--background-primary, #ffffff);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

body.dark-mode .online-indicator {
    border-color: rgba(255, 255, 255, 0.03);
}

.conversation-content {
    flex: 1;
    min-width: 0;
}

.conversation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.conversation-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary, #1e293b);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.dark-mode .conversation-name {
    color: var(--text-primary, #f8fafc);
}

.conversation-time {
    font-size: 0.75rem;
    color: var(--text-secondary, #64748b);
    white-space: nowrap;
    margin-left: 8px;
}

.conversation-last-message {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.unread-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--msg-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 10px;
    min-width: 24px;
    text-align: center;
}

.delete-conversation-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--msg-danger);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
}

.conversation-card:hover .delete-conversation-btn {
    opacity: 1;
}

.delete-conversation-btn:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* ===== PANEL DROITE (Chat) ===== */
.chat-panel {
    background: var(--background-primary, #ffffff);
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body.dark-mode .chat-panel {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Empty State */
.chat-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 60px;
    text-align: center;
    color: var(--text-secondary, #64748b);
}

.chat-empty-state i {
    font-size: 5rem;
    opacity: 0.3;
    margin-bottom: 24px;
    color: var(--msg-primary);
}

.chat-empty-state h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary, #1e293b);
    margin-bottom: 12px;
}

body.dark-mode .chat-empty-state h3 {
    color: var(--text-primary, #f8fafc);
}

.chat-empty-state p {
    font-size: 1rem;
    margin: 0;
}

/* Chat Active */
.chat-active {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    color: white;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.chat-back-btn {
    display: none;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    margin-right: 12px;
}

.chat-back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.chat-header-user {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.chat-header-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-header-avatar:hover {
    transform: scale(1.08);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

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

.chat-header-info h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin: 0 0 4px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #ffffff !important;
}

.chat-header-status {
    font-size: 0.85rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #ffffff;
}

.chat-header-actions {
    display: flex;
    gap: 8px;
}

.chat-header-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.chat-header-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.chat-delete-conversation-btn {
    background: rgba(239, 68, 68, 0.3) !important;
}

.chat-delete-conversation-btn:hover {
    background: rgba(239, 68, 68, 0.5) !important;
    transform: scale(1.05);
}

.chat-delete-conversation-btn i {
    color: #ffffff !important;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px;
    padding-left: 60px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--background-secondary, #f8fafc);
}

body.dark-mode .chat-messages {
    background: rgba(0, 0, 0, 0.2);
}

.chat-message {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important;
    margin-bottom: 12px !important;
    width: 100% !important;
    min-height: auto !important;
}

.chat-message.own {
    align-self: flex-end;
    flex-direction: row-reverse !important;
}

@keyframes fadeInMessage {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message-avatar {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    flex-shrink: 0 !important;
    border: 2px solid #667eea !important;
    cursor: pointer !important;
    transition: all 0.3s ease;
}

.chat-message-avatar:hover {
    transform: scale(1.12);
    border-color: var(--msg-primary);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.chat-message-content {
    display: flex !important;
    flex-direction: column !important;
    max-width: 65% !important;
    width: auto !important;
    min-height: auto !important;
}

.chat-message.own .chat-message-content {
    align-items: flex-end !important;
}

.chat-message-bubble {
    display: inline-block !important;
    width: fit-content !important;
    max-width: 100% !important;
    min-width: 60px !important;
    min-height: auto !important;
    padding: 8px 12px !important;
    border-radius: 16px !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    white-space: normal !important;
    line-height: 1.4 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    transition: transform 0.2s ease !important;
}

.chat-message-bubble:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12) !important;
}

.chat-message.own .chat-message-bubble {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
    border-bottom-right-radius: 4px !important;
}

.chat-message:not(.own) .chat-message-bubble {
    background: white !important;
    color: #1e293b !important;
    border: 1px solid #e2e8f0 !important;
    border-bottom-left-radius: 4px !important;
}

body.dark-mode .chat-message:not(.own) .chat-message-bubble {
    background: #1e293b !important;
    color: #f1f5f9 !important;
    border-color: #334155 !important;
}

.chat-message-bubble p,
.chat-message-bubble span,
.chat-message-bubble div {
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
}

.chat-message-time {
    font-size: 0.7rem !important;
    color: #94a3b8 !important;
    margin-top: 2px !important;
    padding: 0 4px !important;
    line-height: 1 !important;
}

.message-attachment {
    margin-top: 8px;
    border-radius: 12px;
    overflow: hidden;
}

.message-attachment img {
    max-width: 240px;
    max-height: 240px;
    width: auto;
    height: auto;
    display: block;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
    object-fit: contain;
}

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

.message-attachment-file {
    background: rgba(0, 0, 0, 0.05);
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 200px;
}

body.dark-mode .message-attachment-file {
    background: rgba(255, 255, 255, 0.05);
}

.message-attachment-icon {
    font-size: 1.5rem;
    color: var(--msg-primary);
}

.message-attachment-info {
    flex: 1;
    min-width: 0;
}

.message-attachment-name {
    font-weight: 600;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-attachment-size {
    font-size: 0.8rem;
    color: var(--text-secondary, #64748b);
}

.message-delete-btn {
    position: absolute;
    top: 8px;
    left: -44px;
    background: var(--msg-danger);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
}

.chat-message:hover .message-delete-btn {
    opacity: 1;
}

.message-delete-btn:hover {
    background: #dc2626;
    transform: scale(1.08);
}

.chat-message.own .message-delete-btn {
    left: -44px;
    right: auto;
}

.shared-post-message .chat-message-content {
    max-width: 360px !important;
    min-width: 300px !important;
}

.shared-post-message .chat-message-bubble {
    width: 100% !important;
    display: block !important;
    padding: 0 !important;
    overflow: hidden !important;
}

/* Attachment Preview (avant envoi) */
.attachment-preview {
    display: none;
    padding: 12px 16px;
    background: rgba(102, 126, 234, 0.05);
    border-top: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px 12px 0 0;
    margin: 0;
}

body.dark-mode .attachment-preview {
    background: rgba(102, 126, 234, 0.1);
    border-top-color: rgba(102, 126, 234, 0.3);
}

.attachment-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    max-height: 200px;
    overflow-y: auto;
}

.attachment-preview-item {
    position: relative;
    width: 100%;
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

body.dark-mode .attachment-preview-item {
    background: rgba(30, 41, 59, 0.9);
}

.attachment-preview-item:hover {
    transform: scale(1.05);
}

.attachment-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.attachment-remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.95);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.attachment-remove-btn:hover {
    background: #dc2626;
    transform: scale(1.15);
}

.attachment-remove-btn:active {
    transform: scale(0.95);
}

/* Chat Input */
.chat-input-wrapper {
    padding: 20px 24px;
    border-top: 2px solid var(--border-color, #e2e8f0);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--background-primary, #ffffff);
}

body.dark-mode .chat-input-wrapper {
    border-top-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
}

.attach-btn {
    background: transparent;
    border: 2px solid var(--border-color, #e2e8f0);
    color: var(--text-secondary, #64748b);
    padding: 12px 14px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

body.dark-mode .attach-btn {
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary, #94a3b8);
}

.attach-btn:hover {
    border-color: var(--msg-primary);
    color: var(--msg-primary);
    transform: scale(1.05);
}

.chat-input {
    flex: 1;
    padding: 14px 18px;
    border-radius: 12px;
    border: 2px solid var(--border-color, #e2e8f0);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--background-primary, #ffffff);
    color: var(--text-primary, #1e293b);
    resize: none;
    max-height: 120px;
}

body.dark-mode .chat-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #f8fafc);
}

.chat-input:focus {
    outline: none;
    border-color: var(--msg-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.chat-send-btn {
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    border: none;
    color: white;
    padding: 14px 18px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.chat-send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary, #64748b);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--msg-primary);
    margin-bottom: 12px;
}

/* Navigation Badge */
.nav-badge {
    background: var(--msg-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    margin-left: auto;
}

/* Page Title */
.top-header .page-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    display: inline-block;
    position: relative;
}

.top-header .page-title i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .top-header .page-title,
body.dark-mode .top-header .page-title i {
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.top-header .page-title::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    filter: blur(16px);
    opacity: 0.25;
    z-index: -1;
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.25; }
    50% { opacity: 0.4; }
}

body.dark-mode .top-header .page-title::after {
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    opacity: 0.2;
}

/* ============================================
   🎨 SHARED POST BUBBLE - PREMIUM DESIGN
   ============================================ */

.shared-post-bubble-premium {
    display: block !important;
    width: 100% !important;
    max-width: 420px !important;
    padding: 0 !important;
    overflow: hidden !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95)) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    border: 1px solid rgba(102, 126, 234, 0.15) !important;
    box-shadow: 
        0 8px 32px rgba(102, 126, 234, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

body.dark-mode .shared-post-bubble-premium {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98)) !important;
    border-color: rgba(102, 126, 234, 0.25) !important;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

.shared-post-bubble-premium:hover {
    transform: translateY(-4px) !important;
    box-shadow: 
        0 16px 48px rgba(102, 126, 234, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(102, 126, 234, 0.3) !important;
}

body.dark-mode .shared-post-bubble-premium:hover {
    box-shadow: 
        0 16px 48px rgba(102, 126, 234, 0.4),
        0 8px 24px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(102, 126, 234, 0.5) !important;
}

.shared-post-header-premium {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    border-bottom: 1px solid rgba(102, 126, 234, 0.12);
    backdrop-filter: blur(10px);
}

body.dark-mode .shared-post-header-premium {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.12));
    border-bottom-color: rgba(102, 126, 234, 0.2);
}

.shared-post-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #667eea;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.shared-post-badge i {
    font-size: 0.9rem;
    animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.shared-post-channel-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.shared-post-channel-badge span:first-child {
    font-size: 0.85rem;
}

.shared-post-cover {
    width: 100%;
    max-height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.shared-post-cover img {
    width: 100%;
    height: 100%;
    max-height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.shared-post-bubble-premium:hover .shared-post-cover img {
    transform: scale(1.05);
}

body.dark-mode .shared-post-cover {
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.shared-post-body-premium {
    padding: 18px 20px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.shared-post-body-premium:hover {
    background: rgba(102, 126, 234, 0.03);
}

body.dark-mode .shared-post-body-premium:hover {
    background: rgba(102, 126, 234, 0.08);
}

.shared-post-title-premium {
    font-size: 1.05rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1.4;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark-mode .shared-post-title-premium {
    color: #f1f5f9;
}

.shared-post-excerpt {
    font-size: 0.875rem;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body.dark-mode .shared-post-excerpt {
    color: #94a3b8;
}

.shared-post-author-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    margin: 12px 0;
}

body.dark-mode .shared-post-author-section {
    border-color: rgba(71, 85, 105, 0.4);
}

.shared-post-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
}

.shared-post-author-info {
    flex: 1;
    min-width: 0;
}

.shared-post-author-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
}

body.dark-mode .shared-post-author-name {
    color: #f1f5f9;
}

.shared-post-date {
    font-size: 0.75rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 5px;
}

.shared-post-date i {
    font-size: 0.7rem;
}

.mini-plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
}

.mini-plan-badge.platinum {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1e293b;
}

.mini-plan-badge.pro {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    color: white;
}

.mini-plan-badge.basic {
    background: linear-gradient(135deg, #6B7280, #4B5563);
    color: white;
}

.shared-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.shared-post-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.shared-post-tag:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: scale(1.05);
}

body.dark-mode .shared-post-tag {
    background: rgba(102, 126, 234, 0.15);
    color: #818cf8;
}

.shared-post-tag-more {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
}

.shared-post-stats {
    display: flex;
    gap: 16px;
    padding: 10px 0;
    font-size: 0.8rem;
    color: #64748b;
}

.shared-post-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.shared-post-stats i {
    font-size: 0.85rem;
    color: #94a3b8;
}

body.dark-mode .shared-post-stats {
    color: #94a3b8;
}

.shared-post-view-btn-premium {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.shared-post-view-btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.shared-post-view-btn-premium:hover::before {
    left: 100%;
}

.shared-post-view-btn-premium:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.1);
}

.shared-post-view-btn-premium i {
    font-size: 0.85rem;
    transition: transform 0.3s ease;
}

.shared-post-view-btn-premium:hover i {
    transform: translateX(4px);
}

@keyframes fadeInSharedPost {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.shared-post-message {
    animation: fadeInSharedPost 0.5s ease-out;
}

/* ============================================
   🎨 SHARE MODAL - DESIGN PREMIUM
   Onglets Users/Groups Ultra-Modernes
   ============================================ */

.share-message-modal .share-modal-content {
    max-width: 600px;
    width: 95%;
    max-height: 85vh;
    background: var(--background-primary, #ffffff);
    border-radius: 24px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

body.dark-mode .share-message-modal .share-modal-content {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.share-message-modal .share-modal-header {
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    color: white;
    border-bottom: none;
}

.share-message-modal .share-modal-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    gap: 12px;
}

.share-message-modal .share-modal-header i {
    font-size: 1.3rem;
}

.share-message-modal .share-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.share-tabs {
    display: flex;
    gap: 0;
    padding: 0;
    background: var(--background-secondary, #f8fafc);
    border-bottom: 2px solid var(--border-color, #e2e8f0);
    margin: 0;
}

body.dark-mode .share-tabs {
    background: rgba(0, 0, 0, 0.2);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.share-tab {
    flex: 1;
    padding: 16px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary, #64748b);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    border-bottom: 3px solid transparent;
}

.share-tab:hover {
    background: rgba(102, 126, 234, 0.05);
    color: var(--msg-primary);
}

.share-tab.active {
    background: var(--background-primary, #ffffff);
    color: var(--msg-primary);
    border-bottom-color: var(--msg-primary);
}

body.dark-mode .share-tab.active {
    background: rgba(15, 23, 42, 0.5);
}

.share-tab i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.share-tab.active i {
    transform: scale(1.1);
}

@keyframes tabSlideIn {
    from {
        transform: translateY(-3px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.share-tab.active {
    animation: tabSlideIn 0.3s ease-out;
}

.share-message-modal .user-search-wrapper {
    padding: 20px 24px 16px 24px;
    background: var(--background-primary, #ffffff);
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    position: relative;
}

body.dark-mode .share-message-modal .user-search-wrapper {
    background: transparent;
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.share-message-modal .search-icon {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary, #64748b);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 2;
}

.share-message-modal .user-search-input {
    width: 100%;
    padding: 14px 18px 14px 48px;
    border-radius: 12px;
    border: 2px solid var(--border-color, #e2e8f0);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--background-primary, #ffffff);
    color: var(--text-primary, #1e293b);
}

body.dark-mode .share-message-modal .user-search-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #f8fafc);
}

.share-message-modal .user-search-input:focus {
    outline: none;
    border-color: var(--msg-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.share-content-tab {
    display: none;
    flex: 1;
    overflow: hidden;
}

.share-content-tab.active {
    display: flex;
    flex-direction: column;
    animation: fadeInContent 0.4s ease-out;
}

@keyframes fadeInContent {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.users-list-wrapper,
.groups-list-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.users-select-list {
    padding: 12px 24px 24px 24px;
}

.user-select-item {
    background: var(--background-primary, #ffffff);
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 16px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode .user-select-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

.user-select-item:hover {
    transform: translateX(4px);
    border-color: var(--msg-primary);
    background: rgba(102, 126, 234, 0.05);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15);
}

body.dark-mode .user-select-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

.user-select-avatar-wrapper {
    position: relative;
    flex-shrink: 0;
}

.user-select-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.user-select-item:hover .user-select-avatar {
    border-color: var(--msg-primary);
    transform: scale(1.08);
}

.group-indicator-badge {
    position: absolute;
    bottom: -3px;
    right: -3px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: 3px solid var(--background-primary, #ffffff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.5);
    animation: pulseGroup 2s ease-in-out infinite;
}

@keyframes pulseGroup {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(102, 126, 234, 0.5);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 4px 16px rgba(102, 126, 234, 0.7);
    }
}

body.dark-mode .group-indicator-badge {
    border-color: rgba(15, 23, 42, 0.98);
}

.user-select-info {
    flex: 1;
    min-width: 0;
}

.user-select-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary, #1e293b);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

body.dark-mode .user-select-name {
    color: var(--text-primary, #f8fafc);
}

.user-select-name i.fa-users {
    font-size: 0.85rem;
    color: #667eea;
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

.user-select-email {
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-select-send-btn {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--msg-primary) 0%, var(--msg-secondary) 100%);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.user-select-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.user-select-send-btn:active {
    transform: translateY(0);
}

.user-select-send-btn i {
    font-size: 0.85rem;
}

.group-select-item {
    border-left: 4px solid var(--msg-primary);
}

.group-select-item:hover {
    border-left-color: var(--msg-secondary);
}

.share-message-modal .loading-spinner {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-secondary, #64748b);
}

.share-message-modal .loading-spinner i {
    font-size: 2.5rem;
    color: var(--msg-primary);
    margin-bottom: 16px;
    display: block;
    animation: spinLoader 1s linear infinite;
}

@keyframes spinLoader {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.share-message-modal .loading-spinner p {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.users-list-wrapper::-webkit-scrollbar,
.groups-list-wrapper::-webkit-scrollbar {
    width: 8px;
}

.users-list-wrapper::-webkit-scrollbar-track,
.groups-list-wrapper::-webkit-scrollbar-track {
    background: var(--background-secondary, #f1f5f9);
}

body.dark-mode .users-list-wrapper::-webkit-scrollbar-track,
body.dark-mode .groups-list-wrapper::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.users-list-wrapper::-webkit-scrollbar-thumb,
.groups-list-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-color, #cbd5e1);
    border-radius: 4px;
}

body.dark-mode .users-list-wrapper::-webkit-scrollbar-thumb,
body.dark-mode .groups-list-wrapper::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

.users-list-wrapper::-webkit-scrollbar-thumb:hover,
.groups-list-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--msg-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .messages-container {
        grid-template-columns: 310px 1fr;
        padding: 10px;
        gap: 12px;
    }
    
    .filter-btn,
    .create-group-btn {
        padding: 8px 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 968px) {
    .messages-container {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0;
        height: 100vh;
        max-height: 100vh;
    }
    
    .conversations-panel {
        display: flex;
        height: 100%;
        border-radius: 0;
        border: none;
    }
    
    .chat-panel {
        display: none;
        height: 100%;
        border-radius: 0;
        border: none;
    }
    
    .messages-container.mobile-chat-active .conversations-panel {
        display: none;
    }
    
    .messages-container.mobile-chat-active .chat-panel {
        display: flex;
    }
    
    .chat-back-btn {
        display: block !important;
    }
    
    .chat-header {
        padding: 16px;
    }
    
    .chat-header-avatar {
        width: 40px;
        height: 40px;
    }
    
    .chat-header-info h3 {
        font-size: 1rem;
    }
    
    .chat-header-status {
        font-size: 0.8rem;
    }
    
    .chat-messages {
        padding: 16px;
        padding-left: 50px;
    }
    
    .chat-message {
        max-width: 75%;
    }
    
    .chat-message-bubble {
        font-size: 0.875rem;
        padding: 9px 12px;
    }
    
    .message-attachment img {
        max-width: 200px;
        max-height: 200px;
    }
    
    .chat-input-wrapper {
        padding: 12px 16px;
    }
    
    .user-search-results {
        left: 12px;
        right: 12px;
    }
    
    .message-delete-btn {
        opacity: 0;
        left: -40px;
        top: 50%;
        transform: translateY(-50%);
        padding: 7px 10px;
        font-size: 0.75rem;
    }
    
    .chat-message.message-active .message-delete-btn {
        opacity: 1;
    }
    
    .conversations-filters {
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 16px;
        justify-content: flex-start;
    }
    
    .filter-btn {
        flex: 1;
        min-width: 0;
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .create-group-btn {
        flex: 0 0 auto;
        padding: 10px 12px;
        font-size: 0.85rem;
        margin-left: 0;
    }
    
    .create-group-btn span {
        display: none;
    }
    
    .share-message-modal .share-modal-content {
        max-height: 90vh;
        border-radius: 20px 20px 0 0;
    }
    
    .share-message-modal .share-modal-header {
        padding: 20px 20px;
    }
    
    .share-message-modal .share-modal-header h3 {
        font-size: 1.2rem;
    }
    
    .share-tab {
        padding: 14px 12px;
        font-size: 0.85rem;
    }
    
    .share-tab span {
        display: none;
    }
    
    .share-tab i {
        font-size: 1.3rem;
    }
    
    .share-message-modal .user-search-wrapper {
        padding: 16px 20px 12px 20px;
    }
    
    .share-message-modal .search-icon {
        left: 36px;
    }
    
    .users-select-list {
        padding: 12px 20px 20px 20px;
    }
    
    .user-select-item {
        padding: 14px 16px;
        gap: 12px;
    }
    
    .user-select-avatar {
        width: 46px;
        height: 46px;
    }
    
    .group-indicator-badge {
        width: 22px;
        height: 22px;
        font-size: 0.7rem;
    }
    
    .user-select-name {
        font-size: 0.95rem;
    }
    
    .user-select-email {
        font-size: 0.8rem;
    }
    
    .user-select-send-btn {
        padding: 9px 16px;
        font-size: 0.85rem;
    }
    
    .user-select-send-btn span {
        display: none;
    }
}

@media (max-width: 768px) {
    .conversation-card {
        border-radius: 12px;
        padding: 12px;
    }
    
    .conversation-avatar {
        width: 44px;
        height: 44px;
    }
    
    .search-users-section {
        padding: 16px;
    }
    
    .top-header .page-title {
        font-size: 1.75rem;
    }
    
    .shared-post-message .chat-message-content {
        max-width: 90% !important;
        min-width: 280px !important;
    }
    
    .shared-post-bubble-premium {
        max-width: 100% !important;
    }
    
    .shared-post-title-premium {
        font-size: 0.95rem;
    }
    
    .shared-post-excerpt {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }
    
    .shared-post-cover {
        max-height: 160px;
    }
    
    .shared-post-author-avatar {
        width: 36px;
        height: 36px;
    }
    
    .shared-post-stats {
        gap: 12px;
        font-size: 0.75rem;
    }
    
    .attachment-preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
        max-height: 150px;
    }
    
    .attachment-preview-item {
        height: 80px;
    }
}

@media (max-width: 480px) {
    .chat-header {
        padding: 12px;
    }
    
    .chat-message-bubble {
        font-size: 0.85rem;
        padding: 8px 11px;
    }
    
    .message-attachment img {
        max-width: 160px;
        max-height: 160px;
    }
    
    .chat-message.message-active .message-delete-btn {
        left: -36px;
        padding: 6px 9px;
        font-size: 0.7rem;
    }
    
    .top-header .page-title {
        font-size: 1.5rem;
    }
    
    .shared-post-message .chat-message-content {
        max-width: 95% !important;
        min-width: 260px !important;
    }
    
    .share-tab {
        padding: 12px 8px;
    }
    
    .user-select-item {
        border-radius: 12px;
        padding: 12px 14px;
    }
    
    .user-select-send-btn {
        padding: 8px 14px;
    }
}

.conversations-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar,
.user-search-results::-webkit-scrollbar {
    width: 8px;
}

.conversations-list::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track,
.user-search-results::-webkit-scrollbar-track {
    background: var(--background-secondary, #f1f5f9);
}

body.dark-mode .conversations-list::-webkit-scrollbar-track,
body.dark-mode .chat-messages::-webkit-scrollbar-track,
body.dark-mode .user-search-results::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.conversations-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb,
.user-search-results::-webkit-scrollbar-thumb {
    background: var(--border-color, #cbd5e1);
    border-radius: 4px;
}

body.dark-mode .conversations-list::-webkit-scrollbar-thumb,
body.dark-mode .chat-messages::-webkit-scrollbar-thumb,
body.dark-mode .user-search-results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

.conversations-list::-webkit-scrollbar-thumb:hover,
.chat-messages::-webkit-scrollbar-thumb:hover,
.user-search-results::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #94a3b8);
}

/* ====================================================
   🎨 SHARE MODAL - DISTINCTION GROUPES / UTILISATEURS
   ==================================================== */

/* ✅ AVATARS - BORDURES COLORÉES */
.individual-avatar {
    position: relative;
}

.individual-avatar .user-select-avatar {
    border: 3px solid #3B82F6 !important; /* Bleu pour users */
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.group-avatar {
    position: relative;
}

.group-avatar .user-select-avatar {
    border: 3px solid #667eea !important; /* Violet pour groupes */
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
}

/* ✅ BADGES TYPE (User/Group) - Coin inférieur droit de l'avatar */
.user-type-indicator,
.group-type-indicator {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: white;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.user-type-indicator {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
}

.group-type-indicator {
    background: linear-gradient(135deg, #667eea, #764ba2);
    animation: groupPulse 2s ease-in-out infinite;
}

@keyframes groupPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ✅ NOM DU GROUPE - Badge visible */
.group-name-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea15, #764ba230);
    padding: 6px 14px;
    border-radius: 20px;
    border-left: 3px solid #667eea;
}

.group-name-badge i {
    color: #667eea;
    font-size: 0.9rem;
}

.group-name-badge span {
    font-weight: 700;
    color: var(--text-primary);
}

/* ✅ COMPTEUR DE MEMBRES (Groupes) */
.group-members-count {
    color: #667eea !important;
    font-weight: 600;
}

.group-members-count strong {
    color: #764ba2;
    font-size: 1.05em;
}

/* ✅ BOUTONS "SEND" - Couleurs différentes */
.individual-btn {
    background: linear-gradient(135deg, #3B82F6, #2563EB) !important;
}

.individual-btn:hover {
    background: linear-gradient(135deg, #2563EB, #1D4ED8) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.group-btn {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    min-width: 140px; /* Plus large pour "Send to Group" */
}

.group-btn:hover {
    background: linear-gradient(135deg, #764ba2, #8b5cf6) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

/* ✅ CARTES - Fond légèrement différent au hover */
.user-type-individual:hover {
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE) !important;
    border-left: 4px solid #3B82F6;
}

.user-type-group:hover {
    background: linear-gradient(135deg, #EDE9FE, #DDD6FE) !important;
    border-left: 4px solid #667eea;
}

/* ✅ ONGLETS - Couleurs actives */
.share-tab[data-tab="users"].active {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    color: white;
}

.share-tab[data-tab="groups"].active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

/* ✅ MODE SOMBRE - Ajustements */
body.dark-mode .user-type-individual:hover {
    background: linear-gradient(135deg, #1e293b, #0f172a) !important;
    border-left-color: #60A5FA;
}

body.dark-mode .user-type-group:hover {
    background: linear-gradient(135deg, #1e293b, #0f172a) !important;
    border-left-color: #818CF8;
}

body.dark-mode .group-name-badge {
    background: linear-gradient(135deg, #667eea25, #764ba240);
}

/* ✅ RESPONSIVE */
@media (max-width: 768px) {
    .group-btn span {
        display: none; /* Afficher seulement l'icône sur mobile */
    }
    
    .group-btn {
        min-width: auto;
        padding: 10px 16px;
    }
}

/* ====================================================
   📑 SHARE MODAL - ONGLETS (CSS FALLBACK)
   ==================================================== */

.share-content-tab {
    width: 100%;
    transition: opacity 0.3s ease;
}

.share-content-tab.active {
    animation: fadeInTab 0.3s ease;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Conteneurs de listes */
.users-list-wrapper,
.groups-list-wrapper {
    max-height: 450px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* ====================================================
   💬 CORRECTION FORMATAGE CARTES GROUPES/USERS
   ==================================================== */

.groups-list-wrapper {
    padding: 12px 24px 24px 24px;
    overflow-y: auto;
}

.user-select-item {
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    padding: 16px 18px !important;
    margin-bottom: 12px !important;
    background: var(--background-primary, #ffffff) !important;
    border: 2px solid var(--border-color, #e2e8f0) !important;
    border-radius: 16px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
}

body.dark-mode .user-select-item {
    background: rgba(255, 255, 255, 0.03) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.user-select-item:hover {
    transform: translateX(4px);
    border-color: var(--msg-primary);
    background: rgba(102, 126, 234, 0.05) !important;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15);
}

.user-select-avatar-wrapper {
    position: relative;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
}

.user-select-avatar {
    width: 52px !important;
    height: 52px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 3px solid rgba(102, 126, 234, 0.2) !important;
}

.user-select-info {
    flex: 1;
    min-width: 0;
}

.user-select-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary, #1e293b);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

body.dark-mode .user-select-name {
    color: var(--text-primary, #f8fafc);
}

.user-select-email {
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
}

.user-select-send-btn {
    padding: 10px 20px !important;
    border-radius: 10px !important;
    border: none !important;
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
    white-space: nowrap !important;
}

.user-select-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2, #667eea) !important;
}

/* Badge indicateur groupe */
.user-type-indicator,
.group-type-indicator {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: 2px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: white;
}

body.dark-mode .user-type-indicator,
body.dark-mode .group-type-indicator {
    border-color: rgba(15, 23, 42, 0.98);
}

/* RESPONSIVE MOBILE */
@media (max-width: 768px) {
    .groups-list-wrapper {
        padding: 12px 20px 20px 20px;
    }
    
    .user-select-item {
        padding: 14px 16px !important;
        gap: 12px !important;
    }
    
    .user-select-avatar-wrapper {
        width: 46px;
        height: 46px;
    }
    
    .user-select-avatar {
        width: 46px !important;
        height: 46px !important;
    }
    
    .user-select-send-btn span {
        display: none;
    }
    
    .user-select-send-btn {
        padding: 10px 16px !important;
    }
}

/* ============================================
   🔧 CORRECTION : Posts partagés TOUJOURS blancs
   (Même pour les messages envoyés par soi-même)
   ============================================ */

/* ✅ Forcer le fond blanc/dark pour les posts partagés */
.chat-message.own .shared-post-bubble-premium {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95)) !important;
    border: 1px solid rgba(102, 126, 234, 0.15) !important;
    box-shadow: 
        0 8px 32px rgba(102, 126, 234, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
}

body.dark-mode .chat-message.own .shared-post-bubble-premium {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98)) !important;
    border-color: rgba(102, 126, 234, 0.25) !important;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* ✅ S'assurer que les textes restent colorés (pas en blanc) */
.chat-message.own .shared-post-title-premium,
.chat-message.own .shared-post-excerpt,
.chat-message.own .shared-post-author-name,
.chat-message.own .shared-post-date,
.chat-message.own .shared-post-stats,
.chat-message.own .shared-post-badge,
.chat-message.own .shared-post-channel-badge {
    color: inherit !important;
}

/* ✅ Titre toujours sombre */
.chat-message.own .shared-post-title-premium {
    color: #1e293b !important;
}

body.dark-mode .chat-message.own .shared-post-title-premium {
    color: #f1f5f9 !important;
}

/* ✅ Extrait et date toujours gris */
.chat-message.own .shared-post-excerpt,
.chat-message.own .shared-post-date {
    color: #64748b !important;
}

body.dark-mode .chat-message.own .shared-post-excerpt,
body.dark-mode .chat-message.own .shared-post-date {
    color: #94a3b8 !important;
}

/* ✅ Nom auteur toujours sombre */
.chat-message.own .shared-post-author-name {
    color: #1e293b !important;
}

body.dark-mode .chat-message.own .shared-post-author-name {
    color: #f1f5f9 !important;
}

/* ✅ Statistiques toujours grises */
.chat-message.own .shared-post-stats {
    color: #64748b !important;
}

body.dark-mode .chat-message.own .shared-post-stats {
    color: #94a3b8 !important;
}

/* ✅ Badge "Shared Post" toujours violet */
.chat-message.own .shared-post-badge {
    color: #667eea !important;
}

/* ✅ Bouton "View Full Post" TOUJOURS violet (même pour messages own) */
.chat-message.own .shared-post-view-btn-premium {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
}

.chat-message.own .shared-post-view-btn-premium:hover {
    background: linear-gradient(135deg, #764ba2, #667eea) !important;
}

/* ✅ CORRECTION : Channel badge toujours VIOLET */
.shared-post-channel-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
    /* ✅ Forcer le violet */
    background: rgba(102, 126, 234, 0.1) !important;
    color: #667eea !important;
    border-left: 3px solid #667eea !important;
}

body.dark-mode .shared-post-channel-badge {
    background: rgba(102, 126, 234, 0.15) !important;
    color: #818cf8 !important;
    border-left-color: #818cf8 !important;
}

.shared-post-channel-badge span:first-child {
    font-size: 0.85rem;
}

/* ✅ S'assurer que le texte reste violet mêmee dans .own */
.chat-message.own .shared-post-channel-badge {
    background: rgba(102, 126, 234, 0.1) !important;
    color: #667eea !important;
    border-left-color: #667eea !important;
}

body.dark-mode .chat-message.own .shared-post-channel-badge {
    background: rgba(102, 126, 234, 0.15) !important;
    color: #818cf8 !important;
    border-left-color: #818cf8 !important;
}

console.log('✅ messages-hub.css loaded (v3.4 - Complete Premium Edition)');