.seo-plan-generator {
    max-width: 700px;
    margin: 30px auto;
    padding: 20px;
    background: #ffffff;
    border: 1px solid #e3e3e3;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

.seo-plan-generator h2 {
    text-align: center;
    color: #333;
    margin-bottom: 15px;
}

.seo-plan-generator textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.4;
    resize: vertical;
    margin-bottom: 15px;
}

.seo-plan-generator button {
    display: block;
    width: 100%;
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 12px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.seo-plan-generator button:hover {
    background: #005d8f;
}

#seo-plan-result {
    margin-top: 20px;
    padding: 15px;
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.6;
}