.math-captcha{margin-bottom:1.5rem}.math-captcha__label{color:#333;margin-bottom:.5rem;font-size:.95rem;font-weight:500;display:block}.math-captcha__container{background:#f8f9fa;border:2px solid #e0e0e0;border-radius:8px;align-items:center;gap:.75rem;padding:.75rem;transition:border-color .3s;display:flex}.math-captcha__container:focus-within{border-color:#7c3aed}.math-captcha__question{color:#333;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:600;display:flex}.math-captcha__number{color:#fff;background:linear-gradient(135deg,#7c3aed 0%,#a855f7 100%);border-radius:6px;justify-content:center;align-items:center;min-width:2rem;height:2rem;padding:0 .5rem;font-weight:700;display:inline-flex}.math-captcha__operator,.math-captcha__equals{color:#666;font-weight:700}.math-captcha__input{text-align:center;background:#fff;border:2px solid #d1d5db;border-radius:6px;width:4rem;padding:.5rem;font-size:1rem;font-weight:600;transition:all .3s}.math-captcha__input:focus{border-color:#7c3aed;outline:none;box-shadow:0 0 0 3px #7c3aed1a}.math-captcha__input.valid{background-color:#f0fdf4;border-color:#10b981}.math-captcha__input.invalid{background-color:#fef2f2;border-color:#ef4444}.math-captcha__refresh{cursor:pointer;color:#666;background:#fff;border:2px solid #d1d5db;border-radius:6px;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;padding:0;transition:all .3s;display:flex}.math-captcha__refresh:hover{color:#fff;background:#7c3aed;border-color:#7c3aed;transform:rotate(180deg)}.math-captcha__refresh:active{transform:rotate(180deg)scale(.95)}.math-captcha__refresh svg{width:1.25rem;height:1.25rem}.math-captcha__error{color:#ef4444;margin-top:.5rem;font-size:.875rem;font-weight:500;display:block}.math-captcha__input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.math-captcha__input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.math-captcha__input[type=number]{appearance:textfield}@media (max-width:480px){.math-captcha__container{gap:.5rem;padding:.5rem}.math-captcha__question{gap:.4rem;font-size:1rem}.math-captcha__number{min-width:1.75rem;height:1.75rem;font-size:.9rem}.math-captcha__input{width:3.5rem;font-size:.95rem}.math-captcha__refresh{width:2rem;height:2rem}.math-captcha__refresh svg{width:1rem;height:1rem}}
.spinner{vertical-align:middle;border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:12px;height:12px;margin-right:8px;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{-webkit-transform:rotate(360deg)}}.btn-submit:disabled{opacity:.7;cursor:not-allowed;background-color:#6c757d}