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

/* Chat icon */
#chatbot-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #0b2066;      /* KOYU MAVİ */
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 26px;
    box-shadow: 0 6px 10px rgba(0,0,0,0.25);
    z-index: 9999;
}

/* Chat window */
#chatbot-window {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    display: none;
    flex-direction: column;
    z-index: 9999;
}

#chatbot-header {
    background-color: #0b2066;      /* KOYU MAVİ HEADER */
    color: white;
    padding: 10px 14px;
    font-size: 18px;
    text-align: center;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

#chatbot-messages {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-size: 14px;
    background-color: #f9fafb;
}

#chatbot-input-area {
    display: flex;
    border-top: 1px solid #e5e7eb;
}

#chatbot-input {
    flex: 1;
    padding: 8px;
    border: none;
    font-size: 14px;
}

#chatbot-input:focus {
    outline: none;
}

#chatbot-send {
    background-color: #0b2066;     /* KOYU MAVİ BUTON */
    color: white;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
}

#chatbot-send:hover {
    opacity: 0.9;
}