.ac-challenge{--ac-green:#17634e;--ac-ink:#193e4c;color:var(--ac-ink);background:#fff;border:1px solid #c7dfd8;border-radius:20px;padding:clamp(18px,3vw,30px);margin:24px 0;box-shadow:0 6px 20px #153f3810;overflow-wrap:anywhere;font:inherit}.ac-challenge *{box-sizing:border-box}.ac-challenge [hidden]{display:none!important}.ac-challenge h2,.ac-challenge h3{color:var(--ac-ink);line-height:1.3;margin:0 0 14px}.ac-eyebrow{color:#17634e;font-weight:800;letter-spacing:.03em;margin:0 0 8px}.ac-picture{display:block;width:100%;height:auto;max-height:360px;object-fit:contain;border-radius:14px;background:#eef7f4;margin:18px 0 10px}.ac-description{font-size:.95em;line-height:1.6}.ac-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:center}.ac-options{display:grid;gap:10px;margin:16px 0}.ac-challenge button.ac-option{display:block;text-align:start;width:100%;padding:15px 18px;border:2px solid #c8dbd6;border-radius:12px;background:#f4f9f7;color:#193e4c;font:inherit;line-height:1.5;font-weight:650;white-space:normal;cursor:pointer;transition:background .15s,border-color .15s}.ac-challenge button.ac-option:hover{background:#e5f2ec;border-color:#478b74}.ac-challenge button.ac-option:focus-visible,.ac-challenge button:focus-visible{outline:3px solid #d09217;outline-offset:3px}.ac-challenge button.ac-option.ac-correct{border-color:#237a51;background:#e4f4e7}.ac-challenge button.ac-option.ac-wrong{border-color:#b54939;background:#fff0e9}.ac-challenge button.ac-option:disabled{cursor:default;opacity:1}.ac-feedback{padding:14px 17px;background:#edf5f1;border-radius:12px;border-inline-start:4px solid #41866a;line-height:1.65;min-height:0}.ac-feedback:empty{display:none}.ac-feedback strong{display:block}.ac-challenge button.ac-primary,.ac-challenge a.ac-primary{display:inline-block;width:auto;max-width:100%;background:#17634e;color:#fff;border:0;border-radius:11px;padding:13px 20px;font:inherit;font-weight:750;line-height:1.5;cursor:pointer;text-decoration:none}.ac-challenge button.ac-primary:hover{background:#104c3a}.ac-quiz-meter{height:9px;border-radius:9px;background:#dfece6;margin:10px 0 22px;overflow:hidden}.ac-quiz-meter span{display:block;height:100%;background:#318268;transition:width .2s}.ac-quiz-panel:focus{outline:none}.ac-quiz-status{font-size:.92em;color:#3b685a}.ac-finish{font-size:1.2em;font-weight:750;line-height:1.5;margin:16px 0}.ac-safety-note{font-size:.88em;line-height:1.6;color:#45655b;border-top:1px solid #dce8e1;margin-top:22px;padding-top:15px}.ac-modal-challenge{max-height:85vh;overflow:auto}.ac-modal-close{float:inline-end}.ac-rule{line-height:1.65}.ac-challenge figure{margin:0}.ac-challenge figcaption{margin-bottom:12px}@media(max-width:700px){.ac-layout{grid-template-columns:1fr;gap:12px}.ac-picture{max-height:none}.ac-challenge button.ac-primary{width:100%}}@media(prefers-reduced-motion:reduce){.ac-challenge *{transition:none!important}}@media print{.ac-options,.ac-primary,.ac-quiz-meter,.ac-modal-close{display:none!important}.ac-challenge{break-inside:avoid;box-shadow:none}}