.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    margin-bottom: 1.5rem;
}

.upload-area.drag-over {
    border-color: #0d47a1;
    background-color: rgba(13, 71, 161, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: #0d47a1;
    margin-bottom: 1rem;
}

.upload-area h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.upload-area p {
    color: #666;
    margin-bottom: 1rem;
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 1rem;
}

.file-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.file-info i {
    color: #0d47a1;
}

.file-name {
    font-weight: 500;
    color: #333;
    margin-right: 1rem;
}

.file-size {
    color: #666;
    font-size: 0.875rem;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

.file-progress {
    flex-basis: 100%;
    margin-top: 0.5rem;
}

.progress {
    height: 4px;
    margin-bottom: 0;
}

.progress-bar {
    background-color: #0d47a1;
    transition: width 0.3s ease;
}

#fileCount {
    margin-top: 1rem;
    color: #666;
    font-size: 0.875rem;
}

.upload-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.alert {
    margin-bottom: 1rem;
}

.alert-dismissible .btn-close {
    padding: 1.25rem;
}

@keyframes progress {
    0% { width: 0; }
    100% { width: 100%; }
}