.mnemonic-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f5f5;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;padding:1rem}.mnemonic-card{padding:2rem;background-color:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:600px}.mnemonic-title{margin:0 0 1.5rem;text-align:center;color:#333}.mnemonic-warning{background-color:#fff3cd;border:1px solid #ffc107;border-radius:4px;padding:1rem;margin-bottom:1.5rem;color:#856404;font-size:.9rem;line-height:1.5}.mnemonic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:1.5rem}.mnemonic-word{display:flex;align-items:center;gap:.5rem;padding:.5rem;background-color:#f8f9fa;border:1px solid #e9ecef;border-radius:4px;font-size:.9rem}.mnemonic-word-number{color:#6c757d;font-size:.8rem;min-width:1.5rem}.mnemonic-word-text{color:#333;font-weight:500}.mnemonic-checkbox-label{display:flex;align-items:center;gap:.5rem;margin-bottom:1.5rem;color:#555;cursor:pointer;-webkit-user-select:none;user-select:none}.mnemonic-checkbox{width:1rem;height:1rem;cursor:pointer}.mnemonic-button{width:100%;padding:.75rem;font-size:1rem;background-color:#2563eb;color:#fff;border:none;border-radius:4px;cursor:pointer}.mnemonic-button:disabled{background-color:#93c5fd;cursor:not-allowed}.mnemonic-button:not(:disabled):hover{background-color:#1d4ed8}