/* Grunddesign */
body {
    margin: 0;
    padding: 0;
    font-family: "Inter", sans-serif;
    background: linear-gradient(180deg, #fdf9f4, #f4f1ff);
    color: #3a3a3a;
}

/* Header */
header {
    text-align: center;
    padding: 60px 20px 40px;
}

h1 {
    font-size: 42px;
    margin: 0;
    font-weight: 700;
    color: #4b3f72;
}

.subtitle {
    margin-top: 10px;
    font-size: 18px;
    color: #6a5b95;
}

/* Chat */
.chat-section {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.chat-section h2 {
    font-size: 26px;
    color: #4b3f72;
}

#customgpt-chat {
    margin-top: 20px;
    min-height: 600px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 80px;
    background: rgba(255, 255, 255, 0.5);
}

footer a {
    text-decoration: none;
    color: #4b3f72;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}