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.button{display:inline-block;padding:.75rem 1.5rem;text-decoration:none;border-radius:6px;font-weight:600;transition:all .2s}.review-practice-page .empty-state .button-primary{background:var(--color-accent);color:var(--text-inverse)}.review-practice-page .empty-state .button-primary:hover{background:var(--color-accent-dark)}.loading-container,.error-container{text-align:center;padding:3rem 2rem}.loading-container p,.error-container p{color:var(--text-secondary);font-size:1.1rem}.error-container .error-message{color:var(--color-error)}
