body {
    background-color: #0a0a0a;
    color: #33ff33;
    font-family: "Courier New", monospace;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.terminal {
    width: 650px;
    border: 2px solid #33ff33;
    padding: 20px;
    border-radius: 5px;
    background-color: #000;
    box-shadow: 0 0 10px #33ff33;
}

h1 {
    margin-top: 0;
    font-size: 24px;
    text-align: center;
}

.chat-window {
    height: 450px;
    overflow-y: auto;
    border: 1px solid #33ff33;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #000;
    line-height: 1.4em;
}

.user {
    color: #33ccff;
    margin: 2px 0;
}

.ai {
    color: #33ff33;
    margin: 2px 0;
}

input[type=text] {
    width: 80%;
    background: #000;
    color: #33ff33;
    border: 1px solid #33ff33;
    padding: 5px;
    font-family: monospace;
    font-size: 16px;
}

input[type=text].active-cursor {
    border-right: 2px solid #33ff33;
    animation: blink 1s step-start infinite;
}

@keyframes blink {
    50% { border-color: transparent; }
}

button {
    background: #33ff33;
    color: #000;
    border: none;
    padding: 5px 12px;
    font-family: monospace;
    font-size: 16px;
    cursor: pointer;
}