.ytseo-tool {
    max-width: 600px;
    margin: 20px auto;
    font-family: Arial, sans-serif;
}

.ytseo-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.ytseo-form input[type="text"] {
    flex: 1;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.ytseo-form button {
    padding: 12px 24px;
    background: #ff0000;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}

.ytseo-form button:hover {
    background: #cc0000;
}

.ytseo-results {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.ytseo-loading {
    text-align: center;
    color: #666;
    font-style: italic;
}

.ytseo-error {
    color: #d32f2f;
    background: #ffebee;
    padding: 12px;
    border-radius: 8px;
}

.ytseo-card h3 {
    margin-top: 0;
    color: #333;
}