.send-btn {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.send-btn:hover {
    background-color: #ffbb00;
}

.chat-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color 0.3s ease;
    background-color: var(--background-color);
    color: var(--primary-color);
}

.chat-toggle-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
    transition: fill 0.3s ease;
}

.chat-toggle-btn:hover,
.chat-toggle-btn.open {
    background-color: var(--primary-color);
}

.chat-toggle-btn:hover svg,
.chat-toggle-btn.open svg {
    fill: var(--secondary-color);
}

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

.chat-close-btn:hover {
    color: var(--secondary-color);
}

.chat-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 18px;
    background: none;
    border: none;
    cursor: pointer;
}

.chat-log {
    height: 300px;
    overflow-y: auto;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
    font-family: 'Courier New', Courier, monospace;
}

.chat-message {
    margin: 5px 0;
    font-family: 'default-512', Arial, sans-serif;
}

.chat-message .sender {
    font-weight: bold;
}

.chat-message .virtual-assistant {
    color: red;
}

.chat-message .user {
    color: blue;
}

.chat-input-container {
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 10px;
    border-radius: 10px;
    font-family: 'default-512', Arial, sans-serif;
    color: var(--primary-color);
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

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

.send-btn {
    padding: 10px;
    border: none;
    cursor: pointer;
    border-radius: 10px;
}

.chat-container {
    position: fixed;
    bottom: 0;
    right: 0;
    margin-right: 20px;
    max-width: 400px;
    background-color: var(--secondary-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    z-index: 1001;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s ease;
    visibility: hidden;
}

.chat-container.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 10px;
    position: relative;
    font-family: 'default-512', Arial, sans-serif;
}

@media (max-width: 600px) {
    .chat-container {
        width: 100%;
        margin: 0px;
        padding: 20px;
        box-sizing: border-box;
    }
}

@media (min-width: 1280px) {
    .sidebar, .sidebar-right {
        display: block;
    }

    .chat-toggle-btn {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 1279px) {
    .sidebar, .sidebar-right {
        display: none;
    }

    .chat-toggle-btn {
        bottom: 100px;
        right: 20px;
    }
}
