/* Chat Container Styles */
.chat-container {
    display: flex;
    height: 500px;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

/* User List Styles */
.chat-users {
    width: 25%;
    border-right: 1px solid #ddd;
    padding: 10px;
    background-color: #f7f7f7;
}

.chat-users h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    text-align: center;
}

.chat-users ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chat-users li {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #ddd;
    transition: background-color 0.2s ease-in-out;
}

.chat-users li:hover {
    background-color: #eaeaea;
}

.chat-users li.active {
    background-color: #007bff;
    color: #fff;
    font-weight: bold;
}

/* Chat Window Styles */
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-log {
    flex-grow: 1;
    overflow-y: auto;
    padding: 15px;
    background-color: #f9f9f9;
    border-bottom: 1px solid #ddd;
}

.chat-log p {
    margin: 5px 0;
    font-size: 0.9rem;
    color: #555;
}

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

.chat-log .message.sent .sender {
    color: #007bff;
}

.chat-log .message.received .sender {
    color: #333;
}

.chat-log .message .sender {
    font-weight: bold;
    margin-right: 10px;
    font-size: 0.9rem;
}

.chat-log .message .content {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.chat-log .message.sent .content {
    background-color: #007bff;
    color: #fff;
    text-align: right;
    align-self: flex-end;
}

.chat-log .message.received .content {
    background-color: #e9e9e9;
    color: #333;
    text-align: left;
    align-self: flex-start;
}

/* Scroll Behavior */
.chat-log::-webkit-scrollbar {
    width: 8px;
}

.chat-log::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.chat-log::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.chat-log::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Chat Form Styles */
.chat-form {
    display: flex;
    padding: 10px;
    background-color: #f1f1f1;
    border-top: 1px solid #ddd;
}

.chat-form input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-right: 10px;
    font-size: 0.95rem;
}

.chat-form button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color 0.2s ease-in-out;
}

.chat-form button:hover {
    background-color: #0056b3;
}

/* Notification Badge */
.chat-notification {
    background-color: red;
    color: white;
    padding: 5px 10px;
    border-radius: 50%;
    position: absolute;
    top: 10px;
    right: 10px;
    display: none;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .chat-container {
        flex-direction: column;
    }

    .chat-users {
        width: 100%;
        border-bottom: 1px solid #ddd;
    }

    .chat-window {
        flex: 1;
    }
}