body {
    font-family: 'Consolas', 'Courier New', monospace;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.version {
    font-size: 0.7em;
    color: #7f8c8d;
}

.input-section {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    min-height: 100px;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

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

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.output-section {
    margin-top: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.stats {
    color: #7f8c8d;
    font-size: 0.9em;
}

.progress-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    font-size: 0.9em;
}

.progress-item.success {
    color: #27ae60;
}

.progress-item.error {
    color: #e74c3c;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: #ecf0f1;
    border-radius: 5px;
    margin: 5px 0;
    overflow: hidden;
}

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

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8em;
    color: #7f8c8d;
}

.guide {
    margin-top: 30px;
    padding: 15px;
    background-color: #f0f8ff;
    border: 1px solid #3498db;
    border-radius: 6px;
}

.guide summary {
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 10px;
}

.guide ol {
    padding-left: 20px;
    margin: 10px 0;
}

.guide li {
    margin-bottom: 8px;
}

.guide a {
    color: #3498db;
    text-decoration: underline;
}

.footer {
    margin-top: 40px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
    color: #7f8c8d;
    text-align: center;
}