/* assets/css/chat.css */
.chat-container {
    max-width: 1200px;
    margin: 0 auto;
    height: calc(100vh - 200px);
    min-height: 500px;
    display: flex;
    gap: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

/* Список пользователей */
.users-sidebar {
    width: 300px;
    border-right: 1px solid var(--chat-border);
    display: flex;
    flex-direction: column;
    background: white;
}

.users-header {
    padding: 15px;
    border-bottom: 1px solid var(--chat-border);
}

.users-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.users-search {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--chat-border);
    border-radius: var(--radius-md);
    font-size: 13px;
}

.users-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.user-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 4px;
    position: relative;
}

.user-item:hover {
    background: var(--primary-light);
}

.user-item.active {
    background: var(--primary-light);
    border-left: 3px solid var(--primary-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 600;
}

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

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.user-role-badge {
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 20px;
    font-weight: 500;
}

.user-role-badge.admin { background: rgba(231, 76, 60, 0.1); color: #e74c3c; }
.user-role-badge.supervisor { background: rgba(241, 196, 15, 0.1); color: #f39c12; }
.user-role-badge.manager { background: rgba(46, 204, 113, 0.1); color: #2ecc71; }

.user-status {
    font-size: 11px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 4px;
}

.online-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2ecc71;
    display: inline-block;
}

.offline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #95a5a6;
    display: inline-block;
}

.unread-badge {
    background: var(--primary-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 20px;
    min-width: 20px;
    text-align: center;
    margin-left: 5px;
}

.user-last-message {
    font-size: 10px;
    color: var(--text-light);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

/* Основная область чата */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--chat-border);
    background: white;
}

.chat-header h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.chat-header p {
    font-size: 12px;
    color: var(--text-light);
}

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #f8f9fa;
}

.message {
    max-width: 70%;
    display: flex;
    flex-direction: column;
}

.message.self {
    align-self: flex-end;
}

.message.other {
    align-self: flex-start;
}

.message-bubble {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
}

.message.self .message-bubble {
    background: var(--primary-light);
    border-bottom-right-radius: 4px;
}

.message.other .message-bubble {
    background: #f0f2f5;
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 10px;
    color: #999;
    margin-top: 4px;
    align-self: flex-end;
}

.message-sender {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-medium);
}

/* Поле ввода */
.chat-input-area {
    padding: 20px;
    border-top: 1px solid var(--chat-border);
    background: white;
}

.message-form {
    display: flex;
    gap: 10px;
}

.message-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--chat-border);
    border-radius: 24px;
    font-size: 13px;
    transition: var(--transition);
}

.message-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Пустой чат */
.empty-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    gap: 15px;
}

.empty-chat i {
    font-size: 48px;
    opacity: 0.5;
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

.fa-spin {
    animation: spin 1s linear infinite;
}

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

/* Адаптация */
@media (max-width: 768px) {
    .chat-container {
        height: calc(100vh - 180px);
        flex-direction: column;
    }
    
    .users-sidebar {
        width: 100%;
        height: 200px;
    }
    
    .message {
        max-width: 85%;
    }
}

@media (max-width: 480px) {
    .chat-container {
        height: calc(100vh - 160px);
        border-radius: var(--radius-md);
    }
    
    .users-sidebar {
        height: 180px;
    }
    
    .chat-header {
        padding: 12px 15px;
    }
    
    .chat-header h2 {
        font-size: 15px;
    }
    
    .messages-area {
        padding: 15px;
    }
    
    .message-bubble {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .chat-input-area {
        padding: 15px;
    }
    
    .message-input {
        padding: 10px 14px;
        font-size: 12px;
    }
    
    .send-btn {
        width: 40px;
        height: 40px;
    }
    /* Анимации для сообщений */
.message {
    animation: fadeIn 0.3s ease;
}

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

/* Индикатор набора текста */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    background: #f0f2f5;
    border-radius: 16px;
    width: fit-content;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: #999;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-5px);
        opacity: 1;
    }
}

/* Уведомление о новых сообщениях */
.new-messages-notification {
    position: sticky;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-5px);
    }
    /* Стабильные аватарки без мерцания */
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    object-fit: cover;
    background-color: #f0f0f0;
    transition: none; /* Убираем анимацию, чтобы не моргало */
    image-rendering: -webkit-optimize-contrast; /* Для четкости */
    image-rendering: crisp-edges;
    content-visibility: auto; /* Оптимизация рендеринга */
}

.user-avatar[src$=".svg"] {
    image-rendering: auto;
}

/* Для плейсхолдера */
.user-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
    transition: none;
}
}