/* ═══════════════════════════════════════════════════════════════════════════════
   15. IMPORTACIÓN CSV
   Upload de archivos CSV, vista previa y estadísticas
   ═══════════════════════════════════════════════════════════════════════════════ */

.csv-section {
    padding: 20px 0;
}

.csv-instructions {
    background-color: #1f2937;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #00a884;
}

.csv-instructions h4 {
    margin: 0 0 8px 0;
    color: #00a884;
}

.csv-instructions p {
    margin: 0;
    color: #aebac1;
    font-size: 14px;
}

.csv-template-section, .csv-upload-section, .csv-preview-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #374151;
}

.csv-template-section:last-child, .csv-upload-section:last-child, .csv-preview-section:last-child {
    border-bottom: none;
}

.csv-template-section h5, .csv-upload-section h5, .csv-preview-section h5 {
    color: #e9edef;
    margin-bottom: 15px;
    font-size: 16px;
}

.file-upload-area {
    border: 2px dashed #374151;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background-color: #1f2937;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: #00a884;
    background-color: rgba(0, 168, 132, 0.05);
}

.file-upload-area.dragover {
    border-color: #00a884;
    background-color: rgba(0, 168, 132, 0.1);
}

.upload-placeholder i {
    font-size: 48px;
    color: #6b7280;
    margin-bottom: 15px;
}

.upload-placeholder p {
    color: #aebac1;
    margin-bottom: 8px;
    font-size: 16px;
}

.upload-link {
    color: #00a884;
    text-decoration: underline;
    cursor: pointer;
}

.upload-placeholder small {
    color: #6b7280;
    font-size: 12px;
}

.csv-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    padding: 10px;
    background-color: #1f2937;
    border-radius: 6px;
}

.stat-item {
    color: #aebac1;
    font-size: 14px;
}

.stat-item strong {
    color: #00a884;
}

.csv-preview-table {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #374151;
    border-radius: 6px;
}

.csv-preview-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.csv-preview-table th {
    background-color: #374151;
    color: #e9edef;
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
}

.csv-preview-table td {
    padding: 6px 12px;
    border-bottom: 1px solid #374151;
    color: #aebac1;
}

.csv-preview-table tbody tr:hover {
    background-color: rgba(0, 168, 132, 0.05);
}

.csv-preview-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}