#__next,body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial;margin:0;padding:0;background:#f7fafc;color:#111827}.container{max-width:900px;margin:24px auto;padding:0 16px}.card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.08);margin-bottom:12px}.button{display:inline-block;padding:8px 12px;border-radius:6px;background:#2563eb;color:#fff;text-decoration:none;border:none;cursor:pointer}.muted{color:#6b7280;font-size:14px}.options{margin-top:12px;display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.option-btn{padding:10px;border-radius:6px;background:#eef2ff;border:1px solid #e0e7ff;cursor:pointer}.correct{background:#dcfce7;border-color:#bbf7d0}.incorrect{background:#fee2e2;border-color:#fecaca}.result{font-weight:700}.result.correct{color:#059669}.result.incorrect{color:#dc2626}.restart-button{margin-top:8px}.option-full{display:block;width:100%;text-align:left;padding:12px}.option-label{display:inline-block;width:28px;font-weight:700;margin-right:8px}.progress{height:8px;background:#e6e6e6;border-radius:4px;overflow:hidden;margin-top:8px}.progress>i{display:block;height:100%;background:#34d399;width:0}