.captcha-widget {
    --captcha-green: #07834d;
    padding: 18px;
    border: 1px solid #dceae3;
    border-radius: 18px;
    background: linear-gradient(145deg, #f6fbf8, #fff);
    box-shadow: 0 4px 18px rgba(11, 30, 22, .035);
}
.captcha-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.captcha-eyebrow { color: #43574d; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.captcha-badge { padding: 4px 9px; border-radius: 20px; background: #e2f3e9; color: #087345; font-size: .68rem; font-weight: 800; }
.captcha-challenge-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; align-items: stretch; gap: 10px; }
.captcha-challenge {
    display: flex; align-items: center; justify-content: center; min-height: 52px;
    overflow: hidden; border: 1px solid #203c30; border-radius: 12px;
    color: #bcf4d2;
    background: radial-gradient(ellipse at 15% 0%, #285a40 0%, transparent 65%),
                repeating-linear-gradient(125deg, transparent 0 14px, rgba(175, 240, 201, .07) 14px 15px),
                #10281d;
}
.captcha-challenge span {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 1.45rem; font-weight: 800; letter-spacing: .18em; padding-left: .18em;
    font-variant-numeric: tabular-nums; text-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}
.captcha-widget .captcha-reload {
    display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 5px;
    min-width: 44px; min-height: 52px; padding: 10px; border: 1px solid #cfe2d7; border-radius: 12px;
    background: #fff; color: var(--captcha-green); font: inherit; font-size: .72rem; font-weight: 800;
    cursor: pointer; transition: background .18s, border-color .18s, box-shadow .18s;
}
.captcha-widget .captcha-reload:hover { background: #eaf7ef; border-color: #88bea0; }
.captcha-widget .captcha-reload:focus-visible { outline: 3px solid #79b996; outline-offset: 3px; }
.captcha-widget .captcha-reload:disabled { opacity: .65; cursor: wait; }
.captcha-widget[aria-busy="true"] .captcha-reload svg { animation: captcha-spin 1s linear infinite; }
.captcha-widget .captcha-answer {
    display: block; box-sizing: border-box; width: 100%; min-width: 0; min-height: 52px; margin: 0;
    padding: 10px; border: 1px solid #ceded5; border-radius: 10px;
    background: #fff; color: #142d20; font: inherit; font-size: 1rem; font-weight: 700;
    letter-spacing: .16em; outline: none; transition: border-color .18s, box-shadow .18s;
}
.captcha-widget .captcha-answer::placeholder { color: #6b7b72; font-size: .83rem; font-weight: 400; letter-spacing: normal; }
.captcha-widget .captcha-answer:focus { border-color: #07834d; box-shadow: 0 0 0 3px rgba(7, 131, 77, .12); }
.captcha-widget .captcha-help { display: block; margin-top: 9px; color: #627368; font-size: .73rem; line-height: 1.6; }
.captcha-status { display: block; color: #087345; font-size: .75rem; line-height: 1.5; }
.captcha-status:not(:empty) { margin-top: 7px; }
.captcha-status.is-error { color: #b42318; }
@keyframes captcha-spin { to { transform: rotate(360deg); } }
@media (max-width: 480px) {
    .captcha-widget { padding: 12px; }
    .captcha-challenge-row { gap: 6px; }
    .captcha-reload span { display: none; }
    .captcha-challenge span { font-size: 1.2rem; letter-spacing: .1em; padding-left: .1em; }
}
@media (prefers-reduced-motion: reduce) {
    .captcha-widget[aria-busy="true"] .captcha-reload svg { animation: none; }
    .captcha-widget .captcha-reload, .captcha-widget .captcha-answer { transition: none; }
}