html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

body {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
}

body.dragover {
    background-color: #e8f0fe;
}

.container {
    width: 100%;
    max-width: 800px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    margin: 20px 0;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.drop-text {
    color: #666;
    margin-bottom: 10px;
}

#fileInput {
    display: block;
    margin: 10px auto;
}

.preview-container {
    text-align: center;
    margin: 20px 0;
}

#preview {
    max-width: 300px;
    max-height: 300px;
    margin: 0 auto;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.results {
    text-align: center;
    margin: 20px 0;
}

.result-item {
    margin: 10px 0;
    font-size: 16px;
}

#timelineStatus {
    font-weight: bold;
}

#timelineStatus.has-timeline {
    color: #34a853;
}

#timelineStatus.no-timeline {
    color: #ea4335;
}