/* ===== CHAT MODERNO v4.0 - OTIMIZADO ===== */
/* ===== CHAT MODERNO v4.1 - REFATORADO ===== */

/* ==================== VARIÁVEIS E RESET ==================== */
:root {
    --chat-gradient: linear-gradient(135deg, #007bff 0%, #6610f2 100%);
    --chat-shadow: 0 10px 40px rgba(0,0,0,0.15);
    --chat-radius: 12px;
    --transition-smooth: all 0.3s ease;
}

/* ==================== BOTÃO FLUTUANTE ==================== */
.floating-chat-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--chat-gradient);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0,0,0,0.3);
}

.notification-indicator {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 12px;
    height: 12px;
    background-color: #dc3545;
    border-radius: 50%;
    border: 2px solid white;
}

/* ==================== OVERLAY ==================== */
.chat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.chat-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==================== SIDEBAR ==================== */
.chat-sidebar-container {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: var(--bs-body-bg);
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 1999;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--bs-border-color);
}

.chat-sidebar-container.active {
    right: 0;
}

.chat-list-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.chat-list-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--bs-border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--chat-gradient);
    color: white;
    flex-shrink: 0;
}

.chat-list-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.chat-close-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-close-btn:hover {
    background: rgba(255,255,255,0.3);
}

.chat-list-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-list-action {
    padding: 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    flex-shrink: 0;
}

.chat-list-action a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bs-primary);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.chat-list-action a:hover {
    background: var(--bs-primary);
    filter: brightness(110%);
    color: white;
    text-decoration: none;
}

#active-chats-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

/* ==================== LISTA DE CHATS ==================== */
.chat-list-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-bottom: 4px;
    position: relative;
}

.chat-list-item:hover {
    background: var(--bs-secondary-bg);
}

.chat-list-item.has-unread {
    background: rgba(13, 110, 253, 0.1);
    border-left: 3px solid var(--bs-primary);
}

.chat-list-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bs-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 12px;
    flex-shrink: 0;
}

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

.chat-list-name {
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--bs-emphasis-color);
}

.chat-list-preview {
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-unread {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--bs-danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ==================== DIALOG DO CHAT ==================== */
.chat-draggable-container {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 400px; /* Aumentado para acomodar busca */
    height: 500px;
    background: var(--bs-body-bg);
    border-radius: var(--chat-radius);
    box-shadow: var(--chat-shadow);
    z-index: 2000;
    display: none;
    flex-direction: column;
    border: 1px solid var(--bs-border-color);
    overflow: hidden;
    transition: height 0.3s ease, transform 0.3s ease;
}

.chat-draggable-container.minimized {
    height: 60px !important;
}

.chat-dialog-header {
    padding: 8px 16px;
    background: var(--chat-gradient);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    flex-shrink: 0;
    user-select: none;
    gap: 12px;
    min-height: 60px;
}

.chat-dialog-header.dragging {
    cursor: grabbing;
}

.header-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-title {
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.header-status {
    font-size: 0.75rem;
    opacity: 0.9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== CAMPO DE BUSCA NO HEADER ==================== */
.chat-search-wrapper {
    flex: 1;
    max-width: 180px;
    position: relative;
    margin-right: auto;
}

.chat-search-toggle {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-search-toggle:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.05);
}

.chat-search-input-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: none;
    z-index: 10;
    overflow: hidden;
    animation: searchSlideDown 0.2s ease;
}

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

.chat-search-input-container.active {
    display: block;
}

.chat-search-input {
    width: 100%;
    padding: 8px 35px 8px 12px;
    border: none;
    outline: none;
    font-size: 0.875rem;
    background: transparent;
    color: var(--bs-body-color);
}

.chat-search-input::placeholder {
    color: var(--bs-secondary-color);
}

.chat-search-close {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--bs-secondary-color);
    cursor: pointer;
    padding: 4px;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.chat-search-close:hover {
    color: var(--bs-danger);
}

.header-controls {
    display: flex;
    gap: 4px;
    align-items: center;
}

.header-controls button {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.header-controls button:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.05);
}

.header-controls button.active {
    background: rgba(255,255,255,0.3);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

/* ==================== CONTEÚDO DO CHAT ==================== */
.chat-dialog-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.chat-log {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: var(--bs-secondary-bg);
    display: flex;
    flex-direction: column;
}

.chat-log::-webkit-scrollbar {
    width: 6px;
}

.chat-log::-webkit-scrollbar-track {
    background: var(--bs-tertiary-bg);
}

.chat-log::-webkit-scrollbar-thumb {
    background: var(--bs-secondary-color);
    border-radius: 3px;
}

/* ==================== MENSAGENS ==================== */
.message {
    margin-bottom: 1rem;
    display: flex;
    animation: messageSlideIn 0.3s ease-out;
}

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

.own-message {
    justify-content: flex-end;
}

.other-message {
    justify-content: flex-start;
}

.message-content {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    word-wrap: break-word;
    position: relative;
}

.own-message .message-content {
    background: var(--bs-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.other-message .message-content {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-bottom-left-radius: 4px;
    color: var(--bs-body-color);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    opacity: 0.8;
}

.message-sender {
    font-weight: 500;
    margin-right: 8px;
}

.message-time {
    opacity: 0.7;
}

.message-text {
    line-height: 1.4;
    word-break: break-word;
}

/* ==================== ÁREA DE ENTRADA ==================== */
.chat-input-section {
    padding: 1rem;
    border-top: 1px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    flex-shrink: 0;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

#chat-message-input {
    flex: 1;
    border: 1px solid var(--bs-border-color);
    border-radius: 20px;
    padding: 0.75rem 1rem;
    resize: none;
    max-height: 120px;
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

#chat-message-input:focus {
    outline: none;
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

#chat-message-submit,
#attach-image-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

#chat-message-submit {
    background: var(--bs-primary);
    color: white;
}

#chat-message-submit:hover:not(:disabled) {
    transform: scale(1.05);
    filter: brightness(110%);
}

#attach-image-btn {
    background: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color);
    color: var(--bs-primary);
}

#attach-image-btn:hover {
    background: var(--bs-tertiary-bg);
}

/* ==================== ESTADOS ==================== */
.empty-state,
.welcome-state,
.empty-chat-state,
.loading-state,
.error-state {
    text-align: center;
    padding: 2rem;
    color: var(--bs-secondary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.empty-state i,
.welcome-state i,
.empty-chat-state i {
    margin-bottom: 1rem;
    opacity: 0.6;
    font-size: 2.5rem;
}

.error-state {
    color: var(--bs-danger);
}

/* ==================== MODAIS ==================== */
.user-list-item,
.task-list-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    cursor: pointer;
    transition: background 0.2s ease;
}

.user-list-item:hover,
.task-list-item:hover {
    background: var(--bs-secondary-bg);
}

.user-avatar,
.task-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bs-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

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

.user-name,
.task-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email,
.task-details {
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== NOTIFICAÇÕES ==================== */
.chat-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bs-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 9999;
    max-width: 300px;
    animation: slideInRight 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 10px;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-success {
    background: var(--bs-success);
}

.notification-error {
    background: var(--bs-danger);
}

.notification-warning {
    background: var(--bs-warning);
    color: var(--bs-dark);
}

.notification-info {
    background: var(--bs-info);
}

/* ==================== PREVIEW DE RESPOSTA ==================== */
.response-preview-container {
    background: var(--bs-light);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    margin: 0 1rem 1rem;
    overflow: hidden;
    display: none;
}

.response-preview-container.active {
    display: block;
}

.response-preview-header {
    background: var(--bs-secondary);
    color: white;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}

.response-preview-content {
    padding: 12px;
    max-height: 150px;
    overflow-y: auto;
}

.response-preview-actions {
    padding: 8px 12px;
    border-top: 1px solid var(--bs-border-color);
    display: flex;
    gap: 8px;
    background: white;
}

/* ==================== RESULTADOS DE BUSCA ==================== */
.chat-search-results-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--bs-border-color);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.chat-search-results-container.active {
    display: block;
}

.search-results-header {
    padding: 8px 12px;
    border-bottom: 1px solid var(--bs-border-color);
    background: var(--bs-light);
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
}

.search-result-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-result-item:hover {
    background: var(--bs-light);
}

.search-result-sender {
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 4px;
    color: var(--bs-primary);
}

.search-result-text {
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--bs-body-color);
}

.search-result-time {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
    text-align: right;
}

.search-highlighted {
    background: rgba(var(--bs-warning-rgb), 0.15) !important;
    border-left: 3px solid var(--bs-warning);
    margin-left: -3px;
}

/* ==================== CONTEÚDO DINÂMICO ==================== */
.dynamic-content-section {
    background: var(--bs-light);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 1rem 1rem;
}

.dynamic-section {
    margin-bottom: 1.5rem;
}

.dynamic-section:last-child {
    margin-bottom: 0;
}

.dynamic-section h6 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--bs-emphasis-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.stat-item {
    text-align: center;
    padding: 0.75rem 0.5rem;
    background: white;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.stat-number {
    display: block;
    font-weight: bold;
    font-size: 1.25rem;
    color: var(--bs-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-actions-grid {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.quick-actions-grid button {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.online-users-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 0.5rem;
}

.loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 1rem;
    color: var(--bs-secondary-color);
}

/* ==================== RESPONSIVIDADE ==================== */
@media (max-width: 768px) {
    .chat-sidebar-container {
        width: 100vw;
        right: -100%;
    }
    
    .chat-draggable-container {
        width: calc(100vw - 20px);
        right: 10px;
        left: 10px;
        bottom: 10px;
        max-width: none;
    }
    
    .message-content {
        max-width: 90%;
    }
    
    .floating-chat-btn {
        width: 50px;
        height: 50px;
        bottom: 10px;
        right: 10px;
        font-size: 1.25rem;
    }
    
    .chat-search-wrapper {
        max-width: 120px;
    }
    
    .chat-dialog-header {
        padding: 8px 12px;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .chat-draggable-container {
        width: calc(100vw - 16px);
        right: 8px;
        left: 8px;
    }
    
    .chat-search-wrapper {
        max-width: 100px;
    }
    
    .header-controls button {
        width: 28px;
        height: 28px;
    }
}

/* ==================== SCROLLBARS ==================== */
#active-chats-list::-webkit-scrollbar,
.chat-search-results-container::-webkit-scrollbar,
.response-preview-content::-webkit-scrollbar {
    width: 6px;
}

#active-chats-list::-webkit-scrollbar-track,
.chat-search-results-container::-webkit-scrollbar-track {
    background: var(--bs-secondary-bg);
}

#active-chats-list::-webkit-scrollbar-thumb,
.chat-search-results-container::-webkit-scrollbar-thumb {
    background: var(--bs-secondary-color);
    border-radius: 3px;
}

.response-preview-content::-webkit-scrollbar-track {
    background: var(--bs-light);
}

.response-preview-content::-webkit-scrollbar-thumb {
    background: var(--bs-border-color);
    border-radius: 3px;
}

/* ==================== ANIMAÇÕES ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

/* ==================== CLASSES UTILITÁRIAS ==================== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.dragging {
    cursor: grabbing !important;
    opacity: 0.9;
}

/* Garantir que o container minimizado não mostre conteúdo */
.chat-draggable-container.minimized .chat-dialog-content {
    display: none !important;
}

.chat-draggable-container.minimized .header-info {
    display: none;
}

.chat-draggable-container.minimized .chat-search-wrapper {
    display: none;
}

.chat-draggable-container.minimized .header-controls button:not(#maximize-chat-btn) {
    display: none;
}

/* ==================== BOTÕES ESPECÍFICOS ==================== */
#chat-info-btn.active {
    background: rgba(255,255,255,0.3);
    position: relative;
}

#chat-info-btn.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
}

#chat-sound-toggle.muted {
    opacity: 0.6;
}

/* ==================== MENSAGENS DE SISTEMA ==================== */
.system-message {
    justify-content: center;
    margin: 0.5rem 0;
}

.system-message .message-content {
    background: var(--bs-light);
    color: var(--bs-secondary-color);
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    max-width: 80%;
    text-align: center;
}

/* ==================== TIPOGRAFIA E CORES ==================== */
.mention {
    background: rgba(var(--bs-primary-rgb), 0.1);
    color: var(--bs-primary);
    padding: 0 4px;
    border-radius: 3px;
    font-weight: 500;
}

mark {
    background: rgba(var(--bs-warning-rgb), 0.3);
    padding: 0 2px;
    border-radius: 2px;
}

/* ==================== ESTADOS INTERATIVOS ==================== */
button:disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
    pointer-events: none;
}

input:disabled,
textarea:disabled {
    background: var(--bs-secondary-bg) !important;
    cursor: not-allowed;
}

/* ==================== SOMBRAS E ELEVAÇÕES ==================== */
.elevation-1 {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.elevation-2 {
    box-shadow: 0 4px 8px rgba(0,0,0,0.12);
}

.elevation-3 {
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.elevation-4 {
    box-shadow: 0 16px;
    border-radius: 1;
}


/* Estilos para upload de arquivos */
.message-file {
    display: flex;
    align-items: center;
    background: var(--bs-light);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--bs-border-color);
}

.message-file:hover {
    background: var(--bs-secondary-bg);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.file-icon {
    font-size: 2rem;
    margin-right: 12px;
    color: var(--bs-primary);
}

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

.file-name {
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--bs-emphasis-color);
}

.file-size {
    font-size: 0.8rem;
    color: var(--bs-secondary-color);
}

.uploading .message-file {
    opacity: 0.7;
}

.upload-progress {
    margin-top: 8px;
    width: 100%;
}

/* Separador de data */
.date-separator {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--bs-secondary-color);
    font-size: 0.875rem;
}

.date-line {
    flex: 1;
    height: 1px;
    background: var(--bs-border-color);
}

.date-text {
    padding: 0 1rem;
    text-transform: capitalize;
}

/* Mensagens do sistema */
.system-message {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0;
}

.system-message .message-content {
    background: var(--bs-light);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.system-text {
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
    text-align: center;
}

/* Mensagem excluída */
.deleted-message .message-content {
    opacity: 0.6;
    background: var(--bs-light);
}

.message-deleted {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--bs-secondary-color);
    font-style: italic;
}

/* Status de conexão */
.status-online {
    color: #28a745 !important;
}

.status-offline {
    color: #dc3545 !important;
}

.status-error {
    color: #ffc107 !important;
}

/* Image preview */
.image-preview img {
    max-width: 200px;
    cursor: pointer;
    transition: transform 0.2s;
}

.image-preview img:hover {
    transform: scale(1.05);
}

/* Menções e links */
.mention {
    background: rgba(var(--bs-primary-rgb), 0.1);
    color: var(--bs-primary);
    padding: 0 4px;
    border-radius: 3px;
    font-weight: 500;
}

.message-link {
    color: var(--bs-primary);
    text-decoration: underline;
}

.message-link:hover {
    color: var(--bs-primary);
    text-decoration: none;
}

/* Scrollbar personalizada */
.chat-log::-webkit-scrollbar {
    width: 8px;
}

.chat-log::-webkit-scrollbar-track {
    background: var(--bs-tertiary-bg);
}

.chat-log::-webkit-scrollbar-thumb {
    background: var(--bs-secondary-color);
    border-radius: 4px;
}

.chat-log::-webkit-scrollbar-thumb:hover {
    background: var(--bs-primary);
}

/* Animações */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Responsividade */
@media (max-width: 768px) {
    .chat-draggable-container {
        width: calc(100vw - 20px) !important;
        right: 10px !important;
        left: 10px !important;
    }
    
    .message-content {
        max-width: 90% !important;
    }
    
    .file-name {
        font-size: 0.9rem;
    }
}

/* Utilitários */
.cursor-pointer {
    cursor: pointer !important;
}

.cursor-grab {
    cursor: grab !important;
}

.cursor-grabbing {
    cursor: grabbing !important;
}