#f500chat-toggle {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #1a73e8;
    color: white;
    border-radius: 999px;
    padding: 12px 20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    z-index: 10000;
}
#f500chat-widget {
    position: fixed;
    bottom: 90px;
    left: 20px;
    width: 320px;
    height: 420px;
    background: #f0f0f0;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0,0,0,0.2);
    display: none;
    z-index: 10000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
}
#f500chat-messages {
    flex: 1 1 auto;
    padding: 10px;
    overflow-y: auto;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.f500chat-message {
    max-width: 80%;
    padding: 8px 12px;
    border-radius: 16px;
    word-wrap: break-word;
    line-height: 1.4;
}
.f500chat-message.user {
    align-self: flex-end;
    background-color: #dcf8c6;
    color: #000;
}
.f500chat-message.bot {
    align-self: flex-start;
    background-color: #fff;
    color: #000;
    border: 1px solid #ddd;
}
#f500chat-input {
    flex-shrink: 0;
    display: flex;
    border-top: 1px solid #ddd;
    padding: 8px;
    background: #fff;
}
#f500chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    font-size: 14px;
}
#f500chat-input button {
    background: #1a73e8;
    color: white;
    border: none;
    padding: 10px 16px;
    margin-left: 8px;
    border-radius: 20px;
    cursor: pointer;
}