/* 
 * WhatsApp Bot Manager - Estilos CSS
 * Fecha: 13 de noviembre de 2025
 */

:root {
    --primary-color: #25d366;
    --secondary-color: #128c7e;
    --tertiary-color: #075e54;
    --accent-color: #dcf8c6;
    --dark-bg: #1f2937;
    --light-bg: #f9fafb;
    --border-color: #e5e7eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
}

/* Ajuste global: reducir tamaño de letra base en toda la app */
html {
    font-size: 14px; /* Default 16px -> 14px para fuentes más pequeñas */
}

/* Ajuste base para compatibilidad con rem */
body {
    font-size: 0.95rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, var(--tertiary-color), var(--secondary-color));
    color: white;
    z-index: 1000;
    overflow-y: auto;
    transition: all 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-header h4 {
    font-weight: 600;
    margin: 0;
    font-size: 1.2rem;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu .nav-link {
    display: block;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sidebar-menu .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.sidebar-menu .nav-link:hover,
.sidebar-menu .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar-menu .nav-link.active::before,
.sidebar-menu .nav-link:hover::before {
    transform: translateX(0);
}

.sidebar-menu .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Small badge placed inside sidebar items */
.sidebar-menu .nav-link .sidebar-badge {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.72rem;
    padding: 0.12rem 0.36rem;
    border-radius: 999px;
    line-height: 1;
}

/* Divisor del sidebar */
.sidebar-divider {
    margin: 10px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Botón de logout en sidebar */
.sidebar-menu .logout-link {
    color: rgba(255, 255, 255, 0.7);
    background: rgba(220, 53, 69, 0.1);
    border-top: 1px solid rgba(220, 53, 69, 0.3);
}

.sidebar-menu .logout-link:hover {
    color: white;
    background: rgba(220, 53, 69, 0.2);
    border-color: rgba(220, 53, 69, 0.4);
}

.sidebar-menu .logout-link::before {
    background: #dc3545;
}

/* Main Content */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Responsive behavior: collapse sidebar on small screens */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: 220px;
        left: 0;
        transition: transform 0.25s ease;
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 2px 0 20px rgba(0,0,0,0.2);
        z-index: 1200;
    }

    .main-content {
        margin-left: 0;
    }

    /* Overlay used to block background when sidebar open */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.35);
        z-index: 1100;
        display: none;
    }

    /* Make header actions wrap to avoid overflow */
    .content-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    .header-actions {
        margin-top: 8px;
    }

    /* hide status badge on small screens (desktop-only) */
    .status-badge { display: none !important; }
}

/* Desktop: ensure sidebar visible */
@media (min-width: 992px) {
    .sidebar { transform: translateX(0); }
}
.content-header {
    background: white;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.content-header h1 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Nuevo badge de estado mejorado */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.status-badge:hover {
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.status-dot.status-online {
    background-color: #fff;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 1);
}

@keyframes pulse-dot {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

.status-text {
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

/* Backward compatibility - mantener el antiguo */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-indicator.online {
    color: var(--success-color);
}

.status-indicator i {
    font-size: 0.7rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 30px;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px 12px 0 0;
}

.card-header h5 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Stat Cards */
.card-stat {
    border-radius: 12px;
    border: none;
    transition: all 0.3s ease;
}

.card-stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card-stat-title {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 5px;
}

.card-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 10px 20px;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::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;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--tertiary-color));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

.btn-success {
    background: var(--success-color);
}

.btn-warning {
    background: var(--warning-color);
}

.btn-danger {
    background: var(--error-color);
}

.btn-info {
    background: var(--info-color);
}

/* Forms */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 15px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 211, 102, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: var(--light-bg);
    color: var(--text-primary);
    font-weight: 600;
    border: none;
}

/* Menu options UI tweaks */
.menu-option-item h6 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.menu-option-item .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
}

.table td.text-nowrap {
    white-space: nowrap;
}

/* Ensure action buttons are always visible and don't wrap */
.table td .d-flex {
    align-items: center;
    justify-content: flex-end;
}

    padding: 15px;
    font-size: 0.9rem;
}

.table td {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(37, 211, 102, 0.05);
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-danger {
    background: var(--error-color);
    color: white;
}

.badge-info {
    background: var(--info-color);
    color: white;
}

.badge-secondary {
    background: var(--text-secondary);
    color: white;
}

/* Modal Fallback Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal.show {
    display: block !important;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
}

.modal-content {
    background: white;
    border-radius: 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.modal-header {
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1rem;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
}

.btn-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
}

/* Menu Tree */
.menu-tree {
    list-style: none;
    padding-left: 0;
}

.menu-tree li {
    margin-bottom: 10px;
}

.menu-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    justify-content: between;
    align-items: center;
    transition: all 0.3s ease;
}

.menu-item:hover {
    border-color: var(--primary-color);
    background: rgba(37, 211, 102, 0.05);
}

.menu-item.root {
    border-left: 4px solid var(--primary-color);
}

.menu-item.child {
    margin-left: 20px;
    border-left: 4px solid var(--info-color);
}

/* Recent conversations */
.recent-message {
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
    background: rgba(37, 211, 102, 0.05);
}

.recent-message .time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.recent-message .content {
    font-size: 0.9rem;
    margin-top: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    padding: 15px 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

/* Chat Interface */
.chat-container {
    height: 400px;
    overflow-y: auto;
    background: #f0f0f0;
    border-radius: 8px;
    padding: 15px;
}

.message {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

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

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

.message-bubble {
    max-width: 70%;
    padding: 10px 15px;
    border-radius: 18px;
    position: relative;
}

.message.incoming .message-bubble {
    background: white;
    border-bottom-left-radius: 4px;
}

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

.message-time {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show,
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 2px 0 20px rgba(0,0,0,0.2);
        z-index: 1200;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-header {
        padding: 15px 20px;
    }
    
    .tab-content {
        padding: 20px 15px;
    }
    
    .card-stat-number {
        font-size: 2rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #1f2937;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --border-color: #374151;
    }
    
    body {
        background-color: var(--dark-bg);
        color: var(--text-primary);
    }
    
    .card {
        background: #374151;
    }
    
    .card-header {
        background: #4b5563;
    }
    
    .table th {
        background: #4b5563;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border-color);
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

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

.bounce {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Custom Components */
.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    stroke: var(--primary-color);
    stroke-linecap: round;
    transition: stroke-dasharray 0.35s;
}

.notification-dot {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 10px;
    height: 10px;
    background: var(--error-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Print Styles */
@media print {
    .sidebar,
    .header-actions,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* =================================
   CHAT STYLES 
   ================================= */

.chat-container {
    background: linear-gradient(135deg, #e5ddd5 0%, #d4c5b9 100%);
}

.conversation-row:hover {
    background-color: #f8f9fa !important;
    cursor: pointer;
}

.message-bubble {
    position: relative;
    word-wrap: break-word;
    border: none;
}

.message-bubble.outgoing {
    margin-left: auto;
}

.message-bubble.incoming {
    margin-right: auto;
}

.message-time {
    text-align: right;
    margin-top: 4px;
    font-size: 0.7rem;
}

.avatar-placeholder {
    font-weight: bold;
    font-size: 16px;
    flex-shrink: 0;
}

/* Modal de chat personalizado */
#chatModal .modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

#chatModal .modal-header {
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

#chatModal .modal-body {
    padding: 0;
}

.message-bubble.bg-success {
    background: linear-gradient(135deg, #25d366, #20b358) !important;
}

.message-bubble.bg-white {
    background: #ffffff !important;
    border: 1px solid #e9ecef;
}

/* Mejorar responsividad de conversaciones */
@media (max-width: 768px) {
    .conversation-row .btn-group .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .message-bubble {
        max-width: 85% !important;
    }
    
    #chatModal .modal-dialog {
        max-width: 95%;
        margin: 1rem auto;
    }
}

/* Animaciones para mensajes */
.message-bubble {
    animation: messageAppear 0.3s ease-out;
}

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

/* Estilos mejorados para lista de conversaciones */
.conversation-card {
    border: none;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    overflow: hidden;
}

.conversation-card .card-header {
    border: none;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    padding: 1.5rem;
}

.conversation-list {
    max-height: 600px;
    overflow-y: auto;
}

.conversation-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: white;
}

.conversation-item:hover {
    background: #f8f9fa;
    transform: translateX(5px);
}

.conversation-item:last-child {
    border-bottom: none;
}

.conversation-avatar {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.4rem;
    margin-right: 15px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    position: relative;
}

.conversation-avatar.online::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #4ade80;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.conversation-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 8px;
}

.conversation-time {
    font-size: 0.8rem;
    color: #9ca3af;
    white-space: nowrap;
}

.conversation-preview {
    display: flex;
    align-items: center;
    gap: 8px;
}

.conversation-last-message {
    color: #6b7280;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.conversation-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.conversation-unread {
    background: #25d366;
    color: white;
    border-radius: 50%;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: bold;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Unread conversation visual state: darker green and subtle background */
.conversation-item.unread {
    background: linear-gradient(90deg, #effff5, #f6fff9);
}
.conversation-item.unread .conversation-avatar {
    background: linear-gradient(135deg, #0f9a6a, #0b7a57);
    box-shadow: 0 6px 18px rgba(11, 122, 87, 0.25);
}

/* Conversation requiring advisor attention */
.conversation-item.attention {
    border-left: 4px solid #dc3545;
    background: rgba(220, 53, 69, 0.03);
}
.conversation-item.attention .conversation-avatar {
    box-shadow: 0 6px 18px rgba(220, 53, 69, 0.12);
}

.conversation-attention {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #dc3545;
    color: white;
    font-size: 0.85rem;
}

.conversation-attention i {
    font-size: 0.9rem;
}

/* Notification bell indicator when there are unseen notifications */
#notification-bell.has-notifications {
    position: relative;
}
#notification-bell.has-notifications::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 12px;
    height: 12px;
    background: #15803d; /* darker green */
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.12);
    animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
    0% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.15); opacity: 0.6; }
    100% { transform: scale(1); opacity: 0.9; }
}

.conversation-status-icon {
    font-size: 0.8rem;
}

.conversation-status-icon.outgoing {
    color: #25d366;
}

.conversation-status-icon.incoming {
    color: #3b82f6;
}

.conversation-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.conversation-item:hover .conversation-actions {
    opacity: 1;
}

.conversation-actions .btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    background: white;
    color: #6b7280;
    transition: all 0.2s ease;
}

.conversation-actions .btn:hover {
    background: #25d366;
    color: white;
    border-color: #25d366;
    transform: translateY(-1px);
}

.conversation-empty {
    text-align: center;
    padding: 60px 20px;
    color: #9ca3af;
}

.conversation-empty .empty-icon {
    font-size: 4rem;
    color: #d1d5db;
    margin-bottom: 20px;
}

.conversation-search {
    border-radius: 25px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 20px;
}

.conversation-search::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.conversation-search:focus {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* ===== Ajustes para modo nocturno (dark mode) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #071322;
        --text-primary: #e6eef1;
        --text-secondary: #9ca3af;
        --border-color: #163240;
    }

    body {
        background-color: var(--light-bg);
        color: var(--text-primary);
    }

    /* Encabezados y títulos */
    .content-header h1,
    .card-header h5,
    .sidebar-header h4,
    .status-text,
    .status-indicator,
    .conversation-empty {
        color: var(--text-primary) !important;
    }

    /* Contenedores */
    .content-header,
    .card,
    .chat-container {
        background: #071322;
        color: var(--text-primary);
        border-color: var(--border-color);
        box-shadow: none;
    }

    .card-header {
        background: transparent;
        border-bottom-color: rgba(255,255,255,0.04);
    }

    /* Formularios y botones */
    .form-control {
        background: #072033;
        color: var(--text-primary);
        border-color: #163240;
    }

    .btn {
        color: inherit;
    }

    /* Sidebar */
    .sidebar {
        background: linear-gradient(135deg,#08131a,#0b2221);
        color: #e6eef1;
    }

    .conversation-actions .btn {
        background: #0b1220;
        border-color: #1f2937;
        color: var(--text-secondary);
    }

    /* Chat específico */
    .chat-header {
        background: linear-gradient(135deg, #1f5a3f 0%, #0f513e 100%);
        color: #fff;
    }

    .message-bubble {
        color: #e6eef1;
    }

    .message-incoming {
        background: #0b1220;
        color: #e6eef1;
        box-shadow: none;
    }

    .message-outgoing {
        background: #0f513e;
        color: #fff;
    }

    .message-document,
    .media-preview {
        background: rgba(255,255,255,0.03);
        color: var(--text-primary);
    }

    .conversation-search {
        background: rgba(255,255,255,0.04);
        color: var(--text-primary);
    }

    a, .nav-link {
        color: #a6f3c9;
    }

    /* Placeholders visibles */
    ::placeholder { color: #9ca3af !important; opacity: 1; }
}