.captcha-input-container{margin-bottom:1rem}.captcha-label{color:#374151;margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.captcha-loading{text-align:center;color:#6b7280;padding:1rem;font-size:.875rem}.captcha-challenge-box{background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);border:2px solid #dee2e6;border-radius:8px;align-items:center;gap:.75rem;min-height:60px;margin-bottom:.75rem;padding:.75rem;display:flex}.captcha-image-container{flex:1;justify-content:center;align-items:center;display:flex}.captcha-image{border-radius:4px;max-width:100%;height:auto;display:block}.captcha-math-question{flex:1;justify-content:center;align-items:center;padding:.5rem;display:flex}.captcha-question-text{color:#1f2937;letter-spacing:.1em;text-shadow:1px 1px 2px #0000001a;font-family:Courier New,monospace;font-size:1.5rem;font-weight:700}.captcha-refresh-btn{color:#6b7280;cursor:pointer;background:#fff;border:2px solid #d1d5db;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-size:1.125rem;transition:all .2s;display:flex}.captcha-refresh-btn:hover:not(:disabled){color:#374151;background:#f3f4f6;border-color:#9ca3af;transform:rotate(90deg)}.captcha-refresh-btn:active:not(:disabled){transform:rotate(90deg)scale(.95)}.captcha-refresh-btn:disabled{opacity:.5;cursor:not-allowed}.captcha-input-group{position:relative}.captcha-input{color:#1f2937;background-color:#fff;border:2px solid #d1d5db;border-radius:6px;outline:none;width:100%;padding:.625rem .75rem;font-size:.9375rem;line-height:1.5;transition:all .15s ease-in-out}.captcha-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.captcha-input:disabled{cursor:not-allowed;opacity:.7;background-color:#f3f4f6}.captcha-input.is-invalid{border-color:#ef4444}.captcha-input.is-invalid:focus{border-color:#ef4444;box-shadow:0 0 0 3px #ef44441a}.captcha-error{color:#ef4444;align-items:center;margin-top:.5rem;font-size:.875rem;display:flex}.captcha-hint{margin-top:.5rem}.captcha-hint small{color:#6b7280;align-items:center;font-size:.8125rem;display:flex}@media (max-width:576px){.captcha-question-text{font-size:1.25rem}.captcha-challenge-box{padding:.625rem}.captcha-refresh-btn{width:32px;height:32px;font-size:1rem}}@media (prefers-color-scheme:dark){.captcha-label{color:#d1d5db}.captcha-challenge-box{background:linear-gradient(135deg,#374151 0%,#1f2937 100%);border-color:#4b5563}.captcha-question-text{color:#f3f4f6}.captcha-input{color:#f3f4f6;background-color:#1f2937;border-color:#4b5563}.captcha-input:focus{border-color:#3b82f6}.captcha-refresh-btn{color:#d1d5db;background:#374151;border-color:#4b5563}.captcha-refresh-btn:hover:not(:disabled){background:#4b5563;border-color:#6b7280}}