:root {
    /* Светлая тема */
    --bg-secondary-light: #f0f2f5;
    --card-light: #ffffff;
    --border-light: #e0e0e0;
    --text-light: #333333;
    --text-secondary-light: #666666;
    --bg-light: #f8f9fa;
    --primary-color: #1877f2;
    --primary-dark: #166fe5;
    --online-color: #4caf50;
    --offline-color: #9e9e9e;
    --error-color: #f44336;

    /* Темная тема */
    --bg-secondary-dark: #18191a;
    --card-dark: #242526;
    --border-dark: #3a3b3c;
    --text-dark: #e4e6eb;
    --text-secondary-dark: #b0b3b8;
    --bg-dark: #121212;

    /* Светлая тема - результаты поиска */
    --search-results-light: #ffffff;
    --search-border-light: #d1d1d1;
    --search-shadow-light: 0 4px 12px rgba(0, 0, 0, 0.15);
    
    /* Темная тема - результаты поиска */
    --search-results-dark: #2a2d31;
    --search-border-dark: #3e4147;
    --search-shadow-dark: 0 4px 12px rgba(0, 0, 0, 0.3);

    /* Светлая тема - цвета аватара */
    --avatar-bg-light: #e0e0e0;
    --avatar-text-light: #333333;
    
    /* Темная тема - цвета аватара */
    --avatar-bg-dark: #4a4a4a;
    --avatar-text-dark: #ffffff;
}

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

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

/* Основные стили приложения */
.app-container {
    display: flex;
    height: 98vh;
    max-height: 98vh;
    background-color: var(--bg-secondary-light);
}

body.dark-theme .app-container {
    background-color: var(--bg-secondary-dark);
}

.sidebar {
    width: 350px;
    background-color: var(--card-light);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

body.dark-theme .sidebar {
    background-color: var(--card-dark);
    border-right-color: var(--border-dark);
}

.user-profile {
    padding: 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

body.dark-theme .user-profile {
    border-bottom-color: var(--border-dark);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.search-container {
    padding: 15px;
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

body.dark-theme .search-container {
    border-bottom-color: var(--border-dark);
}

.search-container input {
    width: calc(100% - 30px);
    padding: 10px 15px;
    border-top-left-radius: 20px;
	border-bottom-left-radius: 20px;
    border: 1px solid var(--border-light);
    background: var(--bg-secondary-light);
    color: var(--text-light);
    outline: none;
}

body.dark-theme .search-container input {
    border-color: var(--border-dark);
    background: var(--bg-secondary-dark);
    color: var(--text-dark);
}

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

body.dark-theme .tabs {
    border-bottom-color: var(--border-dark);
}

.tab {
    flex: 1;
    padding: 15px;
    text-align: center;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary-light);
}

body.dark-theme .tab {
    color: var(--text-secondary-dark);
}

.tab.active {
    border-bottom: 3px solid var(--primary-color);
    color: var(--primary-color);
}

.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

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

.chat-item, 
.contact-item {
    padding: 15px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
}

body.dark-theme .chat-item, 
body.dark-theme .contact-item {
    border-bottom-color: var(--border-dark);
}

.chat-item:hover, 
.contact-item:hover {
    background-color: var(--bg-secondary-light);
}

body.dark-theme .chat-item:hover, 
body.dark-theme .contact-item:hover {
    background-color: var(--bg-secondary-dark);
}

.chat-info, 
.contact-info {
    flex: 1;
    margin-left: 15px;
    overflow: hidden;
}

.chat-name {
    font-weight: 500;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-light);
}

body.dark-theme .chat-name {
    color: var(--text-dark);
}

.last-message {
    font-size: 0.9em;
    color: var(--text-secondary-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark-theme .last-message {
    color: var(--text-secondary-dark);
}

.online-status {
    font-size: 0.8em;
}

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

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

.unread-count {
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8em;
    padding: 0 5px;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-light);
}

body.dark-theme .main-content {
    background-color: var(--bg-dark);
}

#chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 20px;
    color: var(--text-secondary-light);
}

body.dark-theme .empty-state {
    color: var(--text-secondary-dark);
}

.empty-state h2 {
    margin-bottom: 10px;
    color: var(--text-light);
}

body.dark-theme .empty-state h2 {
    color: var(--text-dark);
}

.empty-state p {
    max-width: 80%;
}

/* Переключатели темы и языка */
.theme-language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000;
}

.switcher-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-light);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

body.dark-theme .switcher-btn {
    background: var(--card-dark);
    border-color: var(--border-dark);
}

.switcher-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.switcher-btn i {
    font-size: 16px;
}

.logout-btn {
    position: fixed;
    top: 70px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-light);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

body.dark-theme .logout-btn {
    background: var(--card-dark);
    border-color: var(--border-dark);
}

.logout-btn:hover {
    background: var(--error-color);
    color: white;
    border-color: var(--error-color);
}

/* Индикатор загрузки */
.loader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.loader-spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid var(--primary-color);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Стили для поиска */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--search-results-light);
    border: 1px solid var(--search-border-light);
    border-radius: 10px;
    box-shadow: var(--search-shadow-light);
    z-index: 1000; /* Увеличим z-index для уверенного перекрытия */
    max-height: 300px;
    overflow-y: auto;
    display: none;
    margin-top: 5px;
    padding: 8px 0;
}

/* Улучшим стили элементов внутри */
.search-results .no-results,
.search-results .search-error,
.search-results .search-result-item {
  padding: 12px 16px;
  background: transparent;
}

body.dark-theme .search-results {
    background: var(--search-results-dark);
    border-color: var(--search-border-dark);
    box-shadow: var(--search-shadow-dark);
}

.search-result-item {
    border-radius: 8px;
    margin: 4px 8px;
    transition: background-color 0.2s, transform 0.2s;
}

body.dark-theme .search-result-item {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: rgba(25, 118, 210, 0.08);
    transform: translateY(-1px);
}

body.dark-theme .search-result-item:hover {
    background-color: rgba(25, 118, 210, 0.15);
}

.search-result-item .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}

.search-result-item .user-info {
    flex-grow: 1;
}

.search-result-item .username {
    font-weight: 500;
    display: block;
}

.search-result-item .status {
    font-size: 0.8em;
    color: var(--text-secondary-light);
}

body.dark-theme .search-result-item .status {
    color: var(--text-secondary-dark);
}

.search-result-item .add-contact {
    margin-left: 10px;
    padding: 5px 10px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-result-item .add-contact:hover {
    transform: scale(1.05);
}

.search-result-item .start-chat:hover {
  transform: scale(1.05);
}

.no-results, 
.search-error {
    padding: 15px;
    text-align: center;
    color: var(--text-secondary-light);
}

body.dark-theme .no-results, 
body.dark-theme .search-error {
    color: var(--text-secondary-dark);
}

.search-error {
    color: var(--error-color);
}

/* Стили для аутентификации */
.auth-container {
    max-width: 400px;
    width: 100%;
    margin: 80px auto 40px;
    padding: 30px;
    background: var(--card-light);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
}

body.dark-theme .auth-container {
    background: var(--card-dark);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid var(--border-dark);
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h1 {
    margin-bottom: 10px;
    font-size: 1.8em;
    color: var(--primary-color);
}

.auth-header p {
    color: var(--text-secondary-light);
    font-size: 0.95em;
}

body.dark-theme .auth-header p {
    color: var(--text-secondary-dark);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-form .form-group {
    position: relative;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95em;
    color: var(--text-secondary-light);
}

body.dark-theme .auth-form label {
    color: var(--text-secondary-dark);
}

.auth-form input {
    width: calc(100% - 30px);
    padding: 14px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s;
    background: var(--bg-secondary-light);
    color: var(--text-light);
}

body.dark-theme .auth-form input {
    background: var(--bg-secondary-dark);
    color: var(--text-dark);
    border-color: var(--border-dark);
}

.auth-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.2);
}

.auth-form .password-container {
    position: relative;
}

.auth-form .toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary-light);
    font-size: 0.9em;
}

body.dark-theme .auth-form .toggle-password {
    color: var(--text-secondary-dark);
}

.auth-form .checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-form .checkbox-container input {
    width: auto;
}

.auth-actions {
    margin-top: 10px;
}

.auth-actions button {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.05em;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.auth-actions button:hover {
    background-color: var(--primary-dark);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

body.dark-theme .auth-link {
    border-top-color: var(--border-dark);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.auth-link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    color: var(--text-secondary-light);
}

body.dark-theme .auth-divider {
    color: var(--text-secondary-dark);
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border-light);
}

body.dark-theme .auth-divider::before,
body.dark-theme .auth-divider::after {
    background-color: var(--border-dark);
}

.social-auth {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    background: var(--bg-secondary-light);
    font-size: 0.95em;
    cursor: pointer;
    transition: all 0.3s;
}

body.dark-theme .social-btn {
    background: var(--bg-secondary-dark);
    border-color: var(--border-dark);
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

body.dark-theme .social-btn:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
    color: var(--text-secondary-light);
    font-size: 0.85em;
}

body.dark-theme .auth-footer {
    color: var(--text-secondary-dark);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Уведомления */
.error {
    padding: 12px 15px;
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 8px;
    color: var(--error-color);
    margin-bottom: 20px;
}

body.dark-theme .error {
    background: rgba(244, 67, 54, 0.2);
}

.success {
    padding: 12px 15px;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--online-color);
    border-radius: 8px;
    color: var(--online-color);
    margin-bottom: 20px;
}

body.dark-theme .success {
    background: rgba(76, 175, 80, 0.2);
}

/* Контакты */
.contacts-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
}

.contact-item .remove-contact {
    margin-left: auto;
    padding: 5px 10px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-item .remove-contact:hover {
    background: #d32f2f;
}

/* Профиль */
.profile-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
}

.avatar-section {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
}

.avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.security-section {
    margin-top: 30px;
}

.key-management {
    margin-top: 15px;
}

.warning {
    color: var(--error-color);
    margin: 10px 0;
    font-size: 0.9em;
}

/* Адаптивность */
@media (max-width: 480px) {
    .auth-container {
        padding: 25px;
        margin: 20px;
        box-shadow: none;
        border: 1px solid var(--border-light);
    }
    
    body.dark-theme .auth-container {
        border-color: var(--border-dark);
    }
    
    .theme-language-switcher {
        top: 15px;
        right: 15px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.clear-search {
    position: absolute;
    right: 10px;
    cursor: pointer;
    font-size: 20px;
    color: #999;
    display: none;
}

.clear-search:hover {
    color: #333;
}

.empty-chats-message {
    text-align: center;
    padding: 2rem;
    color: #777;
}

.empty-chats-message i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.5;
}

/* Добавим стили для кнопки добавления контакта */
.add-contact {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.add-contact:hover {
    background-color: #45a049;
}

/* Стили для результатов поиска */
.search-result-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.search-result-item .user-info {
    flex-grow: 1;
    margin-left: 10px;
}

.search-result-item .username {
    font-weight: bold;
    display: block;
}

.search-result-item .status {
    font-size: 0.8em;
    color: #777;
}

.has-error input {
    border-color: #ff3860;
    box-shadow: 0 0 0 0.125em rgba(255, 56, 96, 0.25);
}

/* style.css*************************************************************************************************** */
.contact-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s;
}

body.dark-theme .contact-item {
    border-bottom-color: var(--border-dark);
}

.contact-item:hover {
    background-color: var(--bg-secondary-light);
}

body.dark-theme .contact-item:hover {
    background-color: var(--bg-secondary-dark);
}

.contact-avatar {
    position: relative;
    margin-right: 15px;
}

.status-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--card-light);
}

body.dark-theme .status-indicator {
    border-color: var(--card-dark);
}

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

.status-indicator.offline {
    background-color: var(--offline-color);
}

.contact-info {
    flex: 1;
}

.contact-name {
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

.online-status {
    font-size: 0.85em;
    margin:unset;
    color: var(--text-secondary-light);
}

body.dark-theme .online-status {
    color: var(--text-secondary-dark);
}

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

.contact-action {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
}

.contact-action:hover {
    background: var(--bg-secondary-light);
}

body.dark-theme .contact-action:hover {
    background: var(--bg-secondary-dark);
}

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

.btn-chat {
    color: var(--online-color);
}

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

/* Стили для активного чата */
#active-chat {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    background-color: #f0f2f5;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e0e0e0;
}

.chat-info {
    margin-left: 10px;
    flex-grow: 1;
}

.chat-status {
    color: #667781;
    font-size: 13px;
    margin-top: 2px;
}

.online-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #34b7f1;
    margin-right: 5px;
}


.message.sent {
    margin-left: auto;
    background-color: #dcf8c6;
    border-top-right-radius: 0;
}

.message.received {
    margin-right: auto;
    background-color: #ffffff;
    border-top-left-radius: 0;
}

.message-content {
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.message-meta {
    display: flex;
    justify-content: flex-end;
    margin-top: 2px;
    font-size: 11px;
    color: #667781;
}

.message-status {
    margin-left: 5px;
    color: #34b7f1;
}

.message-input-container {
    display: flex;
    padding: 8px 12px;
    background-color: #f0f2f5;
    border-top: 1px solid #e0e0e0;
}

#message-input {
    flex-grow: 1;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 10px 15px;
    resize: none;
    height: 44px;
    font-size: 14px;
}

#send-message-btn {
    margin-left: 10px;
    background: #008069;
    color: white;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top:10px;
}

/* Темная тема */
.dark-theme .chat-header,
.dark-theme .message-input-container {
    background-color: #202c33;
    border-color: #333;
}

.dark-theme .chat-status {
    color: #a3adb1;
}

.dark-theme .messages-container {
    background-color: #0b141a;
    background-image: none;
}

.dark-theme .message.sent {
    background-color: #005c4b;
}

.dark-theme .message.received {
    background-color: #202c33;
}

.dark-theme .message-content {
    color: #e9edef;
}

        /* Стили для улучшенного интерфейса */
        .app-header {
            position: fixed;
            top: 15px;
            right: 15px;
            z-index: 1000;
        }
        
        .user-controls {
            position: relative;
            display: flex;
            justify-content: flex-end;
        }
        
        .user-menu-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--card-light);
            border: 1px solid var(--border-light);
            font-size: 20px;
            color: var(--text-light);
            cursor: pointer;
            transition: all 0.3s;
            z-index: 1001;
        }
        
        .dark-theme .user-menu-btn {
            background: var(--card-dark);
            border-color: var(--border-dark);
            color: var(--text-dark);
        }
        
        .user-menu-btn:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
        .user-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            width: 220px;
            background: var(--card-light);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 1001;
        }
        
        .dark-theme .user-dropdown {
            background: var(--card-dark);
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        
        .user-controls:hover .user-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-item {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 15px;
            color: var(--text-light);
            cursor: pointer;
            gap: 12px;
            transition: background 0.2s;
        }
        
        .dark-theme .dropdown-item {
            color: var(--text-dark);
        }
        
        .dropdown-item:hover {
            background: var(--bg-secondary-light);
        }
        
        .dark-theme .dropdown-item:hover {
            background: var(--bg-secondary-dark);
        }
        
        .lang-selector {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
        }
        
        .lang-selector button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary-light);
            border: none;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .dark-theme .lang-selector button {
            background: var(--border-dark);
            color: var(--text-dark);
        }
        
        .lang-selector button:hover {
            background: var(--primary-color);
            color: white;
        }
        
        .chat-info-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .chat-actions {
            display: flex;
            gap: 12px;
        }
        
        .chat-action-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            color: var(--text-secondary-light);
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .dark-theme .chat-action-btn {
            color: var(--text-secondary-dark);
        }
        
        .chat-action-btn:hover {
            background: var(--bg-secondary-light);
            color: var(--primary-color);
        }
        
        .dark-theme .chat-action-btn:hover {
            background: var(--bg-secondary-dark);
        }
        
        @media (max-width: 768px) {
            .app-header {
                top: 10px;
                right: 10px;
            }
            
            .user-menu-btn {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
            
            .user-dropdown {
                width: 200px;
            }
            
            .chat-header {
                padding: 10px 15px;
            }
            
            .chat-actions {
                gap: 8px;
            }
            
            .chat-action-btn {
                width: 32px;
                height: 32px;
            }
        }

.messages-container {
    flex-grow: 1;
    height: calc(100% - 184px);
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background-color: #e6e6e6;
}

/* Уведомление о пустом чате */
.empty-messages-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-secondary-light);
    padding: 20px;
}

.dark-theme .empty-messages-notice {
    color: var(--text-secondary-dark);
}

.empty-messages-notice i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

/* Сообщения */
.message {
    display: flex;
    flex-direction: column;
    max-width: 85%; /* Увеличена максимальная ширина */
    padding: 12px 16px; /* Увеличенные отступы */
    border-radius: 12px; /* Более круглые углы */
    margin-bottom: 16px; /* Больший отступ между сообщениями */
    position: relative;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Стили для локального загрузчика */
.search-loader {
    background-color: transparent;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-loader .loader-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

body.dark-theme .search-loader .loader-spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--primary-color);
}

/* Стили кнопки "Перейти в чат" */
.start-chat {
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px;
}

.start-chat:hover {
    background-color: var(--primary-dark) !important;
}

.chat-item.new-message {
    background-color: rgba(0, 128, 255, 0.1);
    transition: background-color 1.5s ease;
}

.unread-badge {
    background-color: #f44336;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* Улучшенные стили для чатов */
.chat-info {
    flex: 1;
    min-width: 0;
}

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

.chat-preview {
    font-size: 0.8rem;
    color: #888;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.chat-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
}

.chat-item:hover {
    background-color: #f8f9fa;
}

.chat-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    margin-left: 10px;
}

.chat-time {
    font-size: 0.75rem;
    color: #9a9a9a;
}

.unread-count {
    background: #0084ff;
    color: white;
    font-size: 0.75rem;
    min-width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
}

/* Основа для шестиугольной аватарки с индикатором */
.hexagon-avatar {
  position: relative;
  width: 40px;
  height: 46px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background-color: #e0e0e0; /* Фон по умолчанию */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index:4;
}

/* Индикатор статуса в виде границы вокруг соты */
.hexagon-status {
  position: absolute;
  top: -4px;
  left: -4px;
  width: calc(100% + 8px);
  height: calc(100% + 8px);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  pointer-events: none;
  z-index: 2;
}

/* Для темной темы */
.dark-theme .hexagon-status.online {
  box-shadow: 0 0 0 2px #81c784;
}

.dark-theme .hexagon-status.offline {
  box-shadow: 0 0 0 2px #757575;
}

/* Явные стили для онлайн/офлайн состояний */
.hexagon-status.online {
  background: linear-gradient(45deg, #4CAF50, #81C784);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.5);
  animation: pulse-animation 1.5s infinite;
}

.hexagon-status.offline {
  background: linear-gradient(45deg, #9E9E9E, #BDBDBD);
  box-shadow: 0 0 0 3px rgba(158, 158, 158, 0.5);
}

/* Пульсация для онлайн статуса */
@keyframes pulse-animation {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Общие стили для контейнера */
.hexagon-avatar-container {
    position: relative;
    width: 40px;
    height: 46px;
}

/* Базовые стили окантовки */
.hexagon-border {
    position: absolute;
    top: -3px;
    left: -3px;
    width: calc(100% + 6px);
    height: calc(100% + 6px);
    z-index: 2;
    pointer-events: none;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

/* Стили для онлайн-статуса */
.hexagon-border.online {
  background: linear-gradient(45deg, #4CAF50, #0bbb07);
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.7);
  animation: pulse-animation 1.5s infinite;
}

.hexagon-border.online::before {
    background: linear-gradient(45deg, #4CAF50, #0bbb07);
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.7);
    animation: pulse-animation 1.5s infinite;
}

/* Стили для оффлайн-статуса */
.hexagon-border.offline {
  background: #9E9E9E;
  box-shadow: none;
}

/* Стили для оффлайн-статуса */
.hexagon-border.offline::before {
    background: #9E9E9E;
    box-shadow: none;
}

/* Анимация пульсации */
@keyframes pulse-animation {
  0% {
    transform: scale(0.95);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.05);
    opacity: 1;
  }
  100% {
    transform: scale(0.95);
    opacity: 0.7;
  }
}

/* Стили для контента аватара */
.hexagon-content {
    position: relative;
    width: 100%;
    height: 100%;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex;
    background-color: var(--avatar-bg-light);
    color: var(--avatar-text-light);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1); /* Небольшая тень для контраста */
    font-weight: 600; /* Улучшенная читаемость */
    font-size: 16px; /* Оптимальный размер для инициалов */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; /* Единый шрифт */
    align-items: center;
    justify-content: center;
    z-index: 4; /* Ниже окантовки */
}

body.dark-theme .hexagon-content {
    background-color: var(--avatar-bg-dark);
    color: var(--avatar-text-dark);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3); /* Более сильная тень в темной теме */
}

/* Адаптивные размеры текста */
@media (max-width: 480px) {
    .hexagon-content {
        font-size: 14px;
    }
}

/* Улучшаем контрастность в других текстовых элементах */
.last-message, 
.online-status,
.chat-time {
    font-weight: 500; /* Небольшое утолщение */
    letter-spacing: 0.02em; /* Оптимальный межсимвольный интервал */
}

/* Дополнительные улучшения для основного текста */
.chat-name,
.contact-name,
.username {
    font-weight: 600; /* Усиление контраста */
}

.hexagon-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip-path: inherit; /* Наследуем основную форму */
}