.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.chat-widget.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.chat-container {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: 'Roboto', Arial, sans-serif;
    background: #fff;
}

.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    margin: 5px 0;
    word-wrap: break-word;
    font-family: 'Roboto', Arial, sans-serif;
}

.message.user {
    background: #e3f2fd;
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

.message.bot {
    background: #f1f1f1;
    align-self: flex-start;
    border-bottom-left-radius: 0;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    background: #fff;
    border-radius: 0 0 10px 10px;
}

#message-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
    font-family: 'Roboto', Arial, sans-serif;
}

#send-button {
    background: #4CAF50;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#send-button:hover {
    background: #45a049;
}

.close-button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 24px;
    padding: 0;
    margin: 0;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.chat-toggle i {
    font-size: 28px;
}