body {
    background-color: #f4f4f9;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.hero {
    background: linear-gradient(45deg, #2c3e50, #e67e22);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.chat-container {
    max-width: 800px;
    margin: 50px auto;
    background-color: #fdfdfd;
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.chat-header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    border-top-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    text-align: center;
}

.chat-box {
    height: 400px;
    overflow-y: auto;
    padding: 1rem;
}

.chat-bubble {
    margin-bottom: 1rem;
    padding: 0.75rem 1.25rem;
    border-radius: 0.75rem;
    max-width: 75%;
    line-height: 1.5;
}

.chat-bubble.user {
    background-color: #d4e6f1;
    color: #2c3e50;
    margin-left: auto;
    text-align: right;
}

.chat-bubble.ai {
    background-color: #2c3e50;
    color: white;
    margin-right: auto;
}

.chat-bubble.ai .meme {
    max-width: 100%;
    border-radius: 0.5rem;
    margin-top: 0.5rem;
}

.chat-input {
    border-top: 1px solid #dee2e6;
    padding: 1rem;
}

.btn-primary {
    background-color: #2c3e50;
    border-color: #2c3e50;
}

.btn-primary:hover {
    background-color: #233140;
    border-color: #233140;
}