body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    width: 80%;
    max-width: 800px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

#chat-window {
    height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.2);
}

.message {
    margin: 10px 0;
    padding: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    transition: transform 0.2s;
}

.message:hover {
    transform: scale(1.02);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.message .user {
    font-weight: bold;
    color: #00ffff;  /* Neon cyan */
}

.message img {
    max-width: 200px;
    border-radius: 5px;
    margin-top: 5px;
}

input, button {
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

button {
    background: linear-gradient(45deg, #00ffff, #00ff00);
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: linear-gradient(45deg, #00ff00, #00ffff);
}

#refresh-btn {
    background: linear-gradient(45deg, #ff00ff, #ff9900);
}