._shell_lu4tm_1{box-sizing:border-box;max-width:680px;margin:auto;min-height:100svh;padding:0 17px 40px;background:#fffefa;color:#204532;font-family:system-ui,sans-serif}._shell_lu4tm_1 header{height:66px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid #dce8db}._backButton_lu4tm_3{display:grid;place-items:center;flex:0 0 32px;width:32px;height:36px;padding:0;border:0;color:#0e4835;background:transparent;cursor:pointer}._brandLink_lu4tm_4{display:flex;min-width:0;flex:1;align-items:center;justify-content:center;gap:7px;color:#204532;text-decoration:none}._brandLink_lu4tm_4 strong{overflow:hidden;font-size:12px;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}._brandMark_lu4tm_6{display:block;width:38px;height:30px;flex:0 0 38px;overflow:hidden}._brandMark_lu4tm_6 img{display:block;width:38px;height:auto}._cardCount_lu4tm_8{flex:0 0 auto;color:#204532;font-size:13px}._intro_lu4tm_9{padding:24px 2px 13px}._intro_lu4tm_9>span,._meta_lu4tm_10{font-size:10px;font-weight:800;letter-spacing:.12em;color:#627b67}._intro_lu4tm_9 h1{font:700 clamp(25px,7vw,32px)/1.15 Georgia,serif;margin:9px 0;letter-spacing:-.02em;white-space:nowrap}._intro_lu4tm_9 p{font-size:13px;line-height:1.5;color:#5c7363;margin:7px 0}._progress_lu4tm_13{height:8px;background:#e7eee6;border-radius:8px;overflow:hidden;margin:9px 0 19px}._progress_lu4tm_13 span{display:block;height:100%;background:#0e4835;border-radius:8px;transition:width .25s ease}._flipCard_lu4tm_15{display:block;width:100%;height:420px;padding:0;border:0;border-radius:22px;background:transparent;color:inherit;text-align:left;cursor:pointer;perspective:1200px;-webkit-tap-highlight-color:transparent}._flipCard_lu4tm_15:focus-visible{outline:3px solid #629978;outline-offset:4px}._cardInner_lu4tm_17{display:grid;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.7,.2,1)}._cardInner_lu4tm_17[data-flipped=true]{transform:rotateY(180deg)}._cardFace_lu4tm_19{grid-area:1/1;display:flex;flex-direction:column;box-sizing:border-box;height:100%;min-height:0;padding:22px 18px;border:1px solid #efdca8;border-radius:22px;background:#fff3cf;backface-visibility:hidden;-webkit-backface-visibility:hidden}._cardBack_lu4tm_20{transform:rotateY(180deg);background:#f2f6ee}._meta_lu4tm_10{display:flex;justify-content:space-between;gap:8px}._cardContent_lu4tm_22{display:flex;min-height:0;flex-direction:column;gap:14px;margin:auto 0;padding:22px 1px;overflow-y:auto;overscroll-behavior:contain}._faceLabel_lu4tm_23{font-size:12px;font-weight:800;letter-spacing:.04em;color:#627b67;text-transform:uppercase}._question_lu4tm_24{font:700 clamp(23px,6vw,31px)/1.2 Georgia,serif;color:#1e4432}._answer_lu4tm_25{display:block;padding:15px 13px;border-radius:13px;background:#ffffffb8;color:#294b39;font-size:15px;line-height:1.6;white-space:pre-line}._cardSourceLink_lu4tm_26{color:#174b37;font-size:12px;line-height:1.45;text-decoration:underline;text-underline-offset:2px}._flipHint_lu4tm_27{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:auto;padding-top:14px;color:#617764;font-size:12px;font-weight:700}._actions_lu4tm_28{display:flex;gap:10px;margin:18px 0}._actions_lu4tm_28 button{flex:1;min-height:50px;display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:#0e4835;color:#fff;font-weight:700;cursor:pointer}._actions_lu4tm_28 button:disabled{opacity:.4}._summary_lu4tm_31{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;color:#3c6449;font-size:12px}._summary_lu4tm_31 button{display:flex;align-items:center;gap:7px;padding:11px 13px;border:0;border-radius:11px;background:#0e4835;color:#fff;font-weight:700;cursor:pointer}._partnerFlashcard_lu4tm_33{display:block;box-sizing:border-box;padding:24px;border:1px solid #bfdced;border-radius:22px;background:#e8f4fb;text-align:center;cursor:default}._partnerFlashcardContent_lu4tm_33{display:flex;height:100%;flex-direction:column;align-items:center;justify-content:center;gap:13px}._partnerEyebrow_lu4tm_33{color:#3f6f86;font-size:10px;font-weight:800;letter-spacing:.12em}._partnerFlashcard_lu4tm_33 img{display:block;width:min(230px,68vw);max-height:78px;object-fit:contain}._partnerFlashcardContent_lu4tm_33>strong{color:#204653;font:700 23px/1.2 Georgia,serif}._partnerFlashcardContent_lu4tm_33>span:not(._partnerEyebrow_lu4tm_33){max-width:390px;color:#526f7b;font-size:14px;line-height:1.5}._partnerLink_lu4tm_33{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;margin-top:5px;padding:0 16px;border:1px solid #000;border-radius:12px;background:#000;color:#fff;text-decoration:none;font-size:14px;font-weight:700}._partnerLink_lu4tm_33:hover,._partnerLink_lu4tm_33:active{background:#242424}._partnerLink_lu4tm_33:focus-visible{outline:3px solid #629978;outline-offset:3px}._disclaimer_lu4tm_33{display:block;margin:30px 0;text-align:center;color:#758478;font-size:11px;line-height:1.5}@media(prefers-reduced-motion:reduce){._cardInner_lu4tm_17,._progress_lu4tm_13 span{transition:none}}