/* CSS for Workspace UI */
.workspace-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.workspace-header {
    text-align: center;
    margin-bottom: 30px;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: #f1f5f9;
    color: #475569;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab-btn.active, .tab-btn:hover {
    background: #4f46e5;
    color: white;
}

.upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 50px 20px;
    text-align: center;
    background: #f8fafc;
    transition: border-color 0.3s ease;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: #4f46e5;
    background: #eff6ff;
}

.result-container {
    margin-top: 30px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: #4f46e5;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}