.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.flex-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-secondary); }
.empty-state i { font-size: 3rem; display: block; margin-bottom: 15px; color: var(--accent-primary); opacity: 0.5; }
.empty-state h3 { font-family: var(--font-mono); font-size: 1rem; margin-bottom: 8px; color: var(--text-primary); }
.empty-state p { font-size: 0.85rem; }