:root {
    --primary-color: #4f46e5;
    --secondary-color: #6366f1;
    --background-color: #f1f5f9;
    --sidebar-bg: #1e293b;
    --sidebar-text: #cbd5e1;
    --sidebar-hover: #334155;
}
.tabulator { 
    border-radius: 0.5rem; 
    border: 1px solid #e2e8f0; 
}
.tabulator-header { 
    background-color: #f8fafc; 
    font-weight: 600; 
}
.filepond--root { 
    font-family: 'Inter', sans-serif; 
}
.tabulator-row.low-stock { 
    background-color: #fee2e2 !important; 
}
.pipeline-board {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    min-height: 500px;
}
.pipeline-column {
    flex: 1 0 300px;
    background-color: #f1f5f9;
    border-radius: 0.5rem;
    padding: 0.75rem;
}
.pipeline-column h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}
.pipeline-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px 0 rgba(0,0,0,0.06);
    border-left: 4px solid var(--primary-color);
}

/* Spinner Styles (New) */
.spinner {
    width: 56px;
    height: 56px;
    border: 7px solid #e2e8f0; /* light grey */
    border-top: 7px solid var(--primary-color); /* indigo */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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