.url-shortener-container {
    max-width: 480px;
    margin: 20px auto;
    padding: 15px;
    border: 1px solid #ccc;
    background: #fefefe;
    border-radius: 5px;
    font-family: Arial, sans-serif;
    font-size: 14px;
}

.url-shortener-form label {
    display: block;
    margin-bottom: 10px;
}

.url-shortener-form input[type="url"],
.url-shortener-form input[type="text"] {
    width: 100%;
    padding: 7px;
    margin-top: 4px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.url-shortener-form fieldset {
    border: none;
    padding: 0;
    margin-bottom: 1em;
}

.url-shortener-form fieldset legend {
    font-weight: bold;
    margin-bottom: 6px;
}

.url-shortener-form button.generate-btn {
    padding: 10px 20px;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.url-shortener-form button.generate-btn .btn-loader {
    font-weight: bold;
    font-size: 18px;
}

.url-shortener-result input#generated-url {
    font-size: 16px;
    margin-bottom: 6px;
}

.url-shortener-result button#copy-url-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 3px;
}

.copy-status {
    margin-top: 6px;
    font-weight: bold;
    color: #28a745;
}

.url-shortener-result {
    margin-top: 15px;
}