.FlipCard_wrap__9y12m{display:flex;flex-direction:column;gap:8px;align-items:center;width:100%;--accent-strong:#0d9488}.FlipCard_progressRow__U_vSA{display:flex;align-items:center;gap:14px;width:100%;max-width:520px}.FlipCard_progressText__yJU7j{display:inline-flex;align-items:baseline;gap:2px;font-size:13px;font-weight:700;color:var(--lab-muted);white-space:nowrap;min-width:52px;justify-content:flex-end}.FlipCard_progressCurrent__a5aL1{font-size:15px;color:var(--lab-fg)}.FlipCard_progressSep__50ctu{font-weight:500;opacity:.5}.FlipCard_progressTotal__eBK_I{font-weight:600}.FlipCard_progressBar__AO0K0{flex:1 1;height:6px;background:var(--lab-card-border);border-radius:999px;overflow:hidden}.FlipCard_progressFill__AiiqS{height:100%;background:var(--accent-strong);border-radius:999px;transition:width .35s ease}.FlipCard_cardScene__CanpR{width:100%;max-width:520px;min-height:360px;height:360px;perspective:1000px;cursor:pointer;outline:none;position:relative;transform-style:preserve-3d;transition:transform .35s ease}.FlipCard_cardScene__CanpR:focus-visible .FlipCard_back__IRIMP,.FlipCard_cardScene__CanpR:focus-visible .FlipCard_front__1trDr{outline:2px solid var(--accent-strong);outline-offset:2px}.FlipCard_flipped__ZCcdX{transform:rotateY(180deg)}.FlipCard_face__Lnzre{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px;background:var(--lab-card-bg);border:1.5px solid var(--lab-card-border);box-shadow:0 4px 12px -4px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.06);overflow:hidden;display:flex;flex-direction:column;padding:22px 24px;min-height:0}.FlipCard_cardScene__CanpR:hover .FlipCard_face__Lnzre{box-shadow:0 8px 24px -6px rgba(0,0,0,.12),0 2px 6px rgba(0,0,0,.06)}.FlipCard_front__1trDr{justify-content:space-between}.FlipCard_back__IRIMP{transform:rotateY(180deg);padding:20px 22px}.FlipCard_badgeRowFront__4g1FN{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;flex-shrink:0}.FlipCard_backInner__mhOxW{flex:1 1;display:flex;flex-direction:column;justify-content:center;min-height:0;margin-top:-18px;padding-top:0}.FlipCard_backBadgeRow__H7eDn{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;flex-shrink:0;margin-bottom:10px}.FlipCard_backBody__hSUUw{display:flex;flex-direction:column;gap:10px;flex-shrink:0;max-height:100%;overflow-y:auto;scrollbar-width:thin;padding-right:2px}.FlipCard_groupBadge__KYcq2{font-size:11px;font-weight:700;color:var(--lab-muted);background:var(--lab-chip-bg,var(--lab-card-border));padding:3px 10px;border-radius:999px}.FlipCard_importanceBadge____FoG{font-size:11px;font-weight:800;padding:3px 10px;border-radius:999px}.FlipCard_imp3__jeKSJ{background:rgba(220,38,38,.14);color:#b91c1c}.FlipCard_imp2__HRoll{background:rgba(13,148,136,.14);color:#0f766e}.FlipCard_imp1__mDzup{background:rgba(107,114,128,.14);color:#4b5563}.FlipCard_termArea__Jxwnt{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1 1;text-align:center;padding:4px 0 8px;min-height:0}.FlipCard_term__eJSe0{font-size:clamp(22px,4.5vw,40px);font-weight:800;color:var(--lab-fg);letter-spacing:-.02em;line-height:1.2;margin:0;font-family:ui-monospace,Consolas,monospace;word-break:break-word}.FlipCard_flipHint__5icx6{font-size:12px;color:var(--lab-muted);text-align:center;margin:0;opacity:.65;flex-shrink:0}.FlipCard_description__2YTV9{font-size:16px;font-weight:600;color:var(--lab-fg);line-height:1.55;margin:0;word-break:keep-all}.FlipCard_exampleBlock__sRY6Y{display:flex;flex-direction:column;gap:8px}.FlipCard_exampleLabel__2VRWU{font-size:12px;font-weight:700;color:var(--lab-muted);letter-spacing:.02em}.FlipCard_example__qzb3U{font-size:13px;line-height:1.55;margin:0;padding:11px 13px;border-radius:10px;background:rgba(13,148,136,.07);border:1px solid rgba(13,148,136,.18);color:var(--lab-fg);font-family:ui-monospace,Consolas,monospace;word-break:break-word;white-space:pre-wrap}.FlipCard_navRow__p6wTa{gap:16px;width:100%;max-width:520px;margin-top:2px}.FlipCard_navBtn__oATuv,.FlipCard_navRow__p6wTa{display:flex;align-items:center;justify-content:center}.FlipCard_navBtn__oATuv{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--lab-card-border);background:var(--lab-card-bg);color:var(--lab-fg);font-size:18px;cursor:pointer;transition:border-color .15s,color .15s}.FlipCard_navBtn__oATuv:hover:not(:disabled){border-color:var(--accent-strong);color:var(--accent-strong)}.FlipCard_navBtn__oATuv:disabled{opacity:.35;cursor:default}.FlipCard_keyHint__cOS9I{font-size:11px;color:var(--lab-muted);text-align:center;margin:0;padding-top:0;opacity:.6}.FlipCard_keyHint__cOS9I kbd{display:inline-block;padding:1px 5px;border:1px solid var(--lab-divider);border-radius:4px;font-size:10px;background:var(--lab-card-bg)}@media (max-width:640px){.FlipCard_face__Lnzre{padding:22px 18px}.FlipCard_back__IRIMP{padding:20px 18px}.FlipCard_backInner__mhOxW{margin-top:-12px}.FlipCard_cardScene__CanpR{min-height:min(66vh,420px);height:min(66vh,420px);max-width:100%}.FlipCard_term__eJSe0{font-size:clamp(20px,6vw,32px)}.FlipCard_description__2YTV9{font-size:15px}.FlipCard_example__qzb3U{font-size:12px;padding:10px 12px}.FlipCard_keyHint__cOS9I{display:none}.FlipCard_navBtn__oATuv{width:48px;height:48px}}@media (min-width:641px) and (max-width:900px){.FlipCard_cardScene__CanpR{min-height:350px;height:350px}}@media (prefers-color-scheme:dark){.FlipCard_example__qzb3U{background:rgba(13,148,136,.12);border-color:rgba(45,212,191,.22)}.FlipCard_imp3__jeKSJ{background:rgba(220,38,38,.2);color:#fca5a5}.FlipCard_imp2__HRoll{background:rgba(13,148,136,.2);color:#5eead4}}.WordCardsClient_layout__QhzPi{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start;margin-top:4px}.WordCardsClient_sidebar__I26Mr{position:sticky;top:80px;display:flex;flex-direction:column;gap:4px;padding:4px 16px 4px 0;border-right:1px solid var(--lab-divider)}.WordCardsClient_sidebarTitle__uuvir{font-size:11px;font-weight:700;color:var(--lab-muted);letter-spacing:.06em;text-transform:uppercase;margin:0 0 8px 4px}.WordCardsClient_groupBtn__Ht5x0{display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;padding:9px 12px;border-radius:8px;border:1px solid transparent;background:transparent;font-size:13px;font-weight:600;color:var(--lab-muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s;line-height:1.3}.WordCardsClient_groupBtn__Ht5x0:hover{background:var(--lab-chip-bg,rgba(0,0,0,.04));color:var(--lab-fg)}.WordCardsClient_groupBtnActive__DBZbq{background:rgba(13,148,136,.1);border-color:rgba(13,148,136,.22);color:#0f766e}.WordCardsClient_groupLabel__Kvjux{flex:1 1;min-width:0;word-break:keep-all}.WordCardsClient_groupCount__brzKS{font-size:11px;font-weight:600;opacity:.75;flex-shrink:0}.WordCardsClient_content__dFq4n{min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px}.WordCardsClient_contentMain__MBFih{width:100%;display:flex;flex-direction:column;align-items:center;gap:6px}.WordCardsClient_filterChips__8S8PC,.WordCardsClient_mobileFilter__RZznA{display:none;width:100%;max-width:520px;order:-1}.WordCardsClient_filterChips__8S8PC{flex-wrap:wrap;gap:6px}.WordCardsClient_filterChip__q_Jo3{padding:6px 11px;border-radius:999px;border:1px solid var(--lab-card-border);background:var(--lab-card-bg);font-size:12px;font-weight:600;color:var(--lab-muted);cursor:pointer;transition:background .15s,border-color .15s,color .15s;line-height:1.2}.WordCardsClient_filterChip__q_Jo3:hover{border-color:rgba(13,148,136,.35);color:var(--lab-fg)}.WordCardsClient_filterChipActive__a6Pd2{background:rgba(13,148,136,.1);border-color:rgba(13,148,136,.28);color:#0f766e}.WordCardsClient_filterChip__q_Jo3 .WordCardsClient_groupCount__brzKS{font-weight:500;opacity:.85}.WordCardsClient_mobileSelect__Ahqa8{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--lab-card-border);background:var(--lab-card-bg);color:var(--lab-fg);font-size:14px;font-weight:600;min-height:44px}.WordCardsClient_visuallyHidden__AorbV{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.WordCardsClient_toolbar__rjtjB{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:520px;gap:12px;flex-wrap:wrap;padding:0;margin-bottom:2px}.WordCardsClient_totalLabel__TFE9S{font-size:14px;font-weight:600;color:var(--lab-fg);margin:0}.WordCardsClient_totalSub__tdE_W{font-weight:500;color:var(--lab-muted);font-size:13px}.WordCardsClient_shuffleBtn__ra6RC{padding:9px 14px;border-radius:8px;border:1px solid var(--lab-card-border);background:var(--lab-card-bg);font-size:13px;font-weight:600;color:var(--lab-fg);cursor:pointer;flex-shrink:0;transition:border-color .15s,color .15s}.WordCardsClient_shuffleBtn__ra6RC:hover{border-color:#0d9488;color:#0d9488}.WordCardsClient_empty__zmyZM{padding:32px 16px;text-align:center;color:var(--lab-muted);font-size:14px;line-height:1.55;margin:0}.WordCardsClient_emptyBox__NEcBj{width:100%;max-width:520px;display:flex;flex-direction:column;align-items:center;gap:12px}.WordCardsClient_showAllBtn__lBFOc{min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid var(--lab-card-border);background:var(--lab-card-bg);font-size:14px;font-weight:700;color:#0d9488;cursor:pointer}.WordCardsClient_showAllBtn__lBFOc:hover{border-color:rgba(13,148,136,.35)}.WordCardsClient_progressPanel__DqUUj{width:100%;max-width:520px;padding:14px 16px;border-radius:14px;border:1px solid var(--lab-card-border);background:var(--lab-card-bg);box-sizing:border-box;margin-bottom:4px}.WordCardsClient_progressHeader__3upi1{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}.WordCardsClient_progressLabel__KkXVz{margin:0;font-size:14px;font-weight:600;color:var(--lab-fg)}.WordCardsClient_progressLabel__KkXVz strong{color:#0f766e;font-weight:800}.WordCardsClient_resetProgressBtn__EAjPS{padding:6px 10px;border:none;background:transparent;font-size:12px;font-weight:600;color:var(--lab-muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px;min-height:44px}.WordCardsClient_resetProgressBtn__EAjPS:hover{color:var(--lab-fg)}.WordCardsClient_completionBar__FumPn{height:8px;border-radius:999px;background:var(--lab-card-border);overflow:hidden;margin-bottom:12px}.WordCardsClient_completionFill__dqiXl{height:100%;background:#0d9488;border-radius:999px;transition:width .35s ease}.WordCardsClient_reviewToggle__FBWWW{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--lab-fg);cursor:pointer;min-height:44px;-webkit-user-select:none;user-select:none}.WordCardsClient_reviewToggle__FBWWW input{width:18px;height:18px;accent-color:#0d9488;cursor:pointer}.WordCardsClient_learnRow__PYj5o{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;max-width:520px;margin-top:4px}.WordCardsClient_learnBtnKnown__hDTuk,.WordCardsClient_learnBtnReview__3JVUV{flex:1 1;min-height:48px;padding:12px 16px;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;border:1.5px solid var(--lab-card-border);background:var(--lab-card-bg);color:var(--lab-fg);transition:border-color .15s,background .15s,color .15s}.WordCardsClient_learnBtnReview__3JVUV:hover{border-color:rgba(234,179,8,.45);color:#b45309}.WordCardsClient_learnBtnKnown__hDTuk{border-color:rgba(13,148,136,.35);background:rgba(13,148,136,.08);color:#0f766e}.WordCardsClient_learnBtnKnown__hDTuk:hover{background:rgba(13,148,136,.14);border-color:rgba(13,148,136,.5)}.WordCardsClient_learnBtnKnown__hDTuk[aria-pressed=true]{background:#0d9488;border-color:#0d9488;color:#fff}.WordCardsClient_learnBtnReview__3JVUV[aria-pressed=true]{border-color:rgba(234,179,8,.5);background:rgba(234,179,8,.1)}@media (prefers-color-scheme:dark){.WordCardsClient_learnBtnKnown__hDTuk,.WordCardsClient_progressLabel__KkXVz strong,.WordCardsClient_showAllBtn__lBFOc{color:#5eead4}}@media (max-width:900px){.WordCardsClient_layout__QhzPi{grid-template-columns:1fr;gap:10px}.WordCardsClient_sidebar__I26Mr{display:none}.WordCardsClient_filterChips__8S8PC{display:flex}}@media (max-width:480px){.WordCardsClient_filterChips__8S8PC{display:none}.WordCardsClient_mobileFilter__RZznA{display:block}}@media (prefers-color-scheme:dark){.WordCardsClient_filterChipActive__a6Pd2,.WordCardsClient_groupBtnActive__DBZbq{color:#5eead4}}