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8px;margin-bottom:8px;background:transparent;border:none;color:var(--text-secondary);font-size:12px;cursor:pointer;border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition)}.ai-skill-back-btn:hover{background:var(--bg-subtle);color:var(--color-primary)}@media(max-width:960px){.ai-skill-home{padding:16px}.ai-skill-card-grid{grid-template-columns:1fr}}