* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

h1 {
    font-weight: 300;
    font-size: 2rem;
    color: #2c3e50;
}

h2 {
    font-weight: 400;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #3498db;
}

.input-section, .status-section {
    margin-bottom: 2rem;
}

.url-inputs {
    margin-bottom: 1rem;
}

.url-input-group {
    display: flex;
    margin-bottom: 0.5rem;
}

input[type="url"] {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.remove-btn {
    background-color: #e74c3c;
    margin-left: 0.5rem;
    padding: 0.8rem 1rem;
}

.remove-btn:hover {
    background-color: #c0392b;
}

#addUrlBtn {
    background-color: #2ecc71;
    margin-bottom: 1rem;
}

#addUrlBtn:hover {
    background-color: #27ae60;
}

.separator {
    text-align: center;
    margin: 1rem 0;
    color: #7f8c8d;
}

.file-upload {
    margin-bottom: 1rem;
}

.file-upload label {
    display: block;
    margin-bottom: 0.5rem;
}

#submitBtn {
    display: block;
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    margin-top: 1rem;
    background-color: #3498db;
}

.progress-bar {
    height: 20px;
    background-color: #ecf0f1;
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
}

#progressBar {
    height: 100%;
    background-color: #3498db;
    width: 0;
    transition: width 0.3s;
}

#progressText {
    text-align: center;
    margin-bottom: 1rem;
}

.hidden {
    display: none;
}

#results {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    min-height: 100px;
}

.result-item {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 4px;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.result-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.result-item .url {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-top: 0.5rem;
    word-break: break-all;
}

.success {
    color: #27ae60;
}

.error {
    color: #e74c3c;
}

footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    color: #7f8c8d;
    font-size: 0.9rem;
}