body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
}

.send-button {
    background-color: rgb(25, 87, 135);
    color: white;
    padding: 12px 20px;
    margin-left: 10px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    cursor: pointer;
}

.chat-input {
    padding: 12px 15px;
    border-width: 1px;
    font-size: 15px;
    border-radius: 10px;
    flex-grow: 1;
}

.chat-input-container {
    display: flex;
}

.app-container {
    max-width: 400px;
    margin: auto;
    height: 80vh;
    display: flex;
    flex-direction: column;
    scroll-behavior: smooth;
}

.chat-message-user {
    display: flex;
    justify-content: flex-end;
    align-items: start;
}

.chat-message-robot {
    display: flex;
    justify-content: flex-start;
    align-items: start;
}

.chat-message-text {
    background-color: rgb(238, 238, 238);
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-left: 10px;
    margin-right: 10px;
    margin-bottom: 20px;
    max-width: 300px;
}

.chat-message-profile {
    margin-bottom: 20px;
    width: 40px;
}

.chat-messages-container {
    flex-grow: 1;
    margin-top: 20px;
    overflow: scroll;
    scrollbar-width: none;
}

.chatbot-wrapper {
    position: fixed;
    top: 65vh;
    right: 10px;
    z-index: 10;
}

.chatbot-card {
    position: sticky;
    width: 160px;
    /* 🔽 reduced size */
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(to right, #1e40af, #3b82f6);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
    overflow: hidden;
}