.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}
.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.05);
}
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
}
.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.file-info {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: none;
}
.file-info.show {
    display: block;
}
.task-status {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    display: none;
}
.task-status.show {
    display: block;
}
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}
.status-pending {
    background: #fff3cd;
    color: #856404;
}
.status-processing {
    background: #cce5ff;
    color: #004085;
}
.status-completed {
    background: #d4edda;
    color: #155724;
}
.status-failed {
    background: #f8d7da;
    color: #721c24;
}
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    margin: 1rem 0;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.3s ease;
}
.download-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: #000000;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 1rem;
    transition: all 0.3s ease;
}
.download-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}
.info-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}