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var(--transition-fast)}.demo-btn:hover{background:linear-gradient(135deg,#6366f14d,#a855f74d);transform:translateY(-1px)}.demo-hint{text-align:center;font-size:.75rem;color:var(--color-text-muted);margin-top:8px}.demo-banner{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px 12px;background:linear-gradient(90deg,#6366f126,#a855f726);border-bottom:1px solid var(--color-primary);font-size:.8rem;color:var(--color-primary-hover)}.loading-spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}