#chat-bubble {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #0C3758;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

#chat-window {
    position: unset;
    bottom: 90px;
    left: 20px;
    width: 320px;
    height: 400px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 1001;
}

#chat-header {
    background: #0C3758;
    color: white;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#chat-messages {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-size: 14px;
    display: flex;
    flex-direction: column;
}

.message {
    margin: 5px 0;
    padding: 8px;
    border-radius: 8px;
    max-width: 80%;
}

.user { background: #DCF8C6; align-self: flex-end; }
.bot { background: #f1f0f0; align-self: flex-start; }

#chat-input {
    display: flex;
    border-top: 1px solid #ddd;
}

#chat-input input {
    flex: 1;
    border: none;
    padding: 10px;
}

#chat-input button {
    background: #0C3758;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
}