body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f8bbd0, #fce4ec);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-container {
    width: 420px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background: #c2185b;
    color: white;
    padding: 15px;
    text-align: center;
}

.chat-header p {
    margin: 5px 0 0;
    font-size: 14px;
    opacity: 0.9;
}

.chatbox {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background: #fafafa;
}

.message {
    max-width: 80%;
    padding: 10px 14px;
    margin-bottom: 10px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.4;
}

.assistant {
    background: #f1f1f1;
    align-self: flex-start;
}

.user {
    background: #c2185b;
    color: white;
    align-self: flex-end;
}

.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ddd;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    outline: none;
}

.chat-input button {
    margin-left: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    background: #c2185b;
    color: white;
    cursor: pointer;
}

.chat-input button:hover {
    background: #a3154a;
}