.modal-fullscreen {
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.modal-dialog {
    max-width: 100%;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.modal-content {
    height: 100%;
    border: none;
    border-radius: 0;
}

.modal-body {
    padding: 0;
    height: 100%;
}

.chat-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #f4f4f9;
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 75%;
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    position: relative;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    clear: both;
}

.message.user {
    background-color: #007AB0;
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 0;
    margin-left: auto;
}

.message.other {
    background-color: #e0e0e0;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 0;
    margin-right: auto;
}

.message.user::after,
.message.other::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.message.user::after {
    right: -10px;
    top: 10px;
    border-width: 0 10px 10px 10px;
    border-color: transparent transparent transparent #007AB0;
}

.message.other::after {
    left: -10px;
    top: 10px;
    border-width: 10px 10px 0 10px;
    border-color: transparent #e0e0e0 transparent transparent;
}

.chat-input {
    display: flex;
    width: 100%;
    padding: 10px;
    background-color: #fff;
    border-top: 1px solid #ccc;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 10px;
    outline: none;
}

.chat-input button {
    padding: 10px 20px;
    border: none;
    background-color: #007bff;
    color: #fff;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.profile-section {
    background-color: #f8f9fa;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 15px;
}

.profile-picture {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #ccc;
    margin: 0 auto;
}