/**
 * Excel分析工具样式
 * @author wangyulong
 */

body {
    background-color: #f5f5f5;
    padding-top: 20px;
    padding-bottom: 40px;
}

.container {
    max-width: 1200px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    color: #333;
    margin-bottom: 10px;
}

.upload-section {
    margin-top: 30px;
}

.drop-zone {
    border: 3px dashed #ccc;
    border-radius: 10px;
    padding: 60px 20px;
    text-align: center;
    background-color: #fff;
    transition: all 0.3s ease;
    cursor: pointer;
}

.drop-zone:hover {
    border-color: #337ab7;
    background-color: #f9f9f9;
}

.drop-zone.drag-over {
    border-color: #5cb85c;
    background-color: #e8f5e9;
}

.drop-zone-content h3,
.drop-zone-content p,
.drop-zone-content .upload-icon {
    pointer-events: none;
}

.upload-icon {
    font-size: 64px;
    color: #337ab7;
    display: block;
    margin-bottom: 20px;
}

.progress-section {
    margin-top: 30px;
}

.chart-container {
    height: 400px;
    margin: 20px 0;
}

.insight-item {
    margin: 10px 0;
    padding: 15px;
    background: #f5f5f5;
    border-left: 4px solid #5bc0de;
    border-radius: 4px;
}

.spinning {
    animation: spin 1s linear infinite;
    font-size: 24px;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#columnsInfo {
    margin-top: 15px;
}

.column-badge {
    display: inline-block;
    margin: 5px;
    padding: 5px 10px;
    background: #e7e7e7;
    border-radius: 3px;
    font-size: 12px;
}