body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #f5f5f7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    background: #ffffff;
    padding: 24px 28px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

h1 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 24px;
}

.description {
    margin-top: 0;
    margin-bottom: 20px;
    color: #555;
    font-size: 14px;
}

form {
    margin-bottom: 16px;
}

textarea {
    width: 100%;
    min-height: 120px;
    padding: 10px;
    resize: vertical;
    font-family: inherit;
    font-size: 14px;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

button {
    margin-top: 8px;
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: #2563eb;
    color: white;
}

button:hover {
    background: #1d4ed8;
}

.status {
    min-height: 20px;
    font-size: 13px;
    color: #555;
    margin-bottom: 12px;
}

.response {
    background: #f9fafb;
    border-radius: 8px;
    padding: 12px;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-word;
}