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pre{margin:var(--fc-space-3) 0;padding:var(--fc-space-3);border-radius:.5rem;min-width:0;max-width:100%;overflow-x:hidden;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left;border:1px solid var(--fc-color-border);background:var(--fc-color-surface)}._root_37loo_1 pre code.hljs{padding:0;border:none;background:transparent;font-size:var(--fc-text-sm);white-space:pre-wrap;overflow-wrap:anywhere}._studyEditCardBtn_1f265_1{position:fixed;bottom:calc(var(--fc-space-6) + env(safe-area-inset-bottom,0px));right:calc(var(--fc-space-6) + env(safe-area-inset-right,0px));z-index:20;box-sizing:border-box;width:2.75rem;height:2.75rem;padding:0;border-radius:9999px;border:1px solid var(--fc-color-border);background:var(--fc-color-surface-elevated);color:var(--fc-color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px color-mix(in srgb,var(--fc-color-text) 10%,transparent)}._studyEditCardBtn_1f265_1:hover:not(:disabled){background:var(--fc-color-surface)}._studyEditCardBtn_1f265_1:focus-visible{outline:2px solid var(--fc-color-primary);outline-offset:2px}._studyEditCardBtn_1f265_1:disabled{opacity:.55;cursor:not-allowed}._studyEditCardIcon_1f265_35{width:1.25rem;height:1.25rem;flex-shrink:0}._studyAddCardBtn_1f265_41{position:fixed;bottom:calc(var(--fc-space-6) + env(safe-area-inset-bottom,0px));right:calc(var(--fc-space-6) + 2.75rem + var(--fc-space-3) + env(safe-area-inset-right,0px));z-index:20;box-sizing:border-box;width:2.75rem;height:2.75rem;padding:0;border-radius:9999px;border:1px solid var(--fc-color-border);background:var(--fc-color-surface-elevated);color:var(--fc-color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px color-mix(in srgb,var(--fc-color-text) 10%,transparent)}._studyAddCardBtn_1f265_41:hover:not(:disabled){background:var(--fc-color-surface)}._studyAddCardBtn_1f265_41:focus-visible{outline:2px solid var(--fc-color-primary);outline-offset:2px}._studyAddCardBtn_1f265_41:disabled{opacity:.55;cursor:not-allowed}._studyAddCardIcon_1f265_75{width:1.25rem;height:1.25rem;flex-shrink:0}._studyListCardsBtn_1f265_81{position:fixed;bottom:calc(var(--fc-space-6) + env(safe-area-inset-bottom,0px));right:calc(var(--fc-space-6) + 5.5rem + (var(--fc-space-3) * 2) + env(safe-area-inset-right,0px));z-index:20;box-sizing:border-box;width:2.75rem;height:2.75rem;padding:0;border-radius:9999px;border:1px solid var(--fc-color-border);background:var(--fc-color-surface-elevated);color:var(--fc-color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px color-mix(in srgb,var(--fc-color-text) 10%,transparent)}._studyListCardsBtn_1f265_81:hover:not(:disabled){background:var(--fc-color-surface)}._studyListCardsBtn_1f265_81:focus-visible{outline:2px solid var(--fc-color-primary);outline-offset:2px}._studyListCardsIcon_1f265_112{width:1.25rem;height:1.25rem;flex-shrink:0}._settingsBtn_1f265_118{position:fixed;bottom:calc(var(--fc-space-6) + env(safe-area-inset-bottom,0px));right:calc(var(--fc-space-6) + 8.25rem + (var(--fc-space-3) * 3) + env(safe-area-inset-right,0px));z-index:20;box-sizing:border-box;width:2.75rem;height:2.75rem;padding:0;border-radius:9999px;border:1px solid var(--fc-color-border);background:var(--fc-color-surface-elevated);color:var(--fc-color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px color-mix(in srgb,var(--fc-color-text) 10%,transparent)}._settingsBtn_1f265_118:hover:not(:disabled){background:var(--fc-color-surface)}._settingsBtn_1f265_118:focus-visible{outline:2px solid var(--fc-color-primary);outline-offset:2px}._settingsIcon_1f265_149{width:1.25rem;height:1.25rem;flex-shrink:0}._cardScene_1f265_155{max-width:28rem;margin:0 auto;aspect-ratio:5 / 8;cursor:pointer;perspective:1200px;user-select:none;-webkit-user-select:none;flex-grow:1}._cardScene_1f265_155 *,._cardScene_1f265_155 *:before,._cardScene_1f265_155 *:after{user-select:none;-webkit-user-select:none}._tiltWrapper_1f265_173{width:100%;height:100%;transform-style:preserve-3d;will-change:transform;transition:transform .15s ease-out;-webkit-user-select:none;user-select:none}._cardBody_1f265_182{width:100%;height:100%;transform-style:preserve-3d}._cardBodyPlaceholder_1f265_189{border-radius:.75rem;border:1px solid var(--fc-color-border);background:color-mix(in srgb,var(--fc-color-surface-elevated) 88%,var(--fc-color-border));box-sizing:border-box}._cardBodySwapExit_1f265_200{transition:opacity .28s cubic-bezier(.33,0,.67,1),transform .28s cubic-bezier(.33,0,.67,1)}._cardBodySwapExit_1f265_200[data-swap-rating=again]{opacity:0;transform:translate3d(-40px,14px,0) rotate(-6deg) scale(.93)}._cardBodySwapExit_1f265_200[data-swap-rating=hard]{opacity:0;transform:translate3d(-20px,28px,0) rotate(-3deg) scale(.94)}._cardBodySwapExit_1f265_200[data-swap-rating=good]{opacity:0;transform:translate3d(0,-28px,0) rotate(1.5deg) scale(.95)}._cardBodySwapExit_1f265_200[data-swap-rating=easy]{opacity:0;transform:translate3d(44px,-12px,0) rotate(6deg) scale(.93)}._cardBodySwapEnter_1f265_226[data-swap-rating=again]{animation:_cardSwapEnterAgain_1f265_1 .32s cubic-bezier(.2,.85,.2,1) both}._cardBodySwapEnter_1f265_226[data-swap-rating=hard]{animation:_cardSwapEnterHard_1f265_1 .32s cubic-bezier(.2,.85,.2,1) both}._cardBodySwapEnter_1f265_226[data-swap-rating=good]{animation:_cardSwapEnterGood_1f265_1 .32s cubic-bezier(.2,.85,.2,1) both}._cardBodySwapEnter_1f265_226[data-swap-rating=easy]{animation:_cardSwapEnterEasy_1f265_1 .32s cubic-bezier(.2,.85,.2,1) both}@keyframes _cardSwapEnterAgain_1f265_1{0%{opacity:0;transform:translate3d(36px,-12px,0) rotate(5deg) scale(.94)}to{opacity:1;transform:translateZ(0) scale(1)}}@keyframes _cardSwapEnterHard_1f265_1{0%{opacity:0;transform:translate3d(22px,-22px,0) rotate(2.5deg) scale(.95)}to{opacity:1;transform:translateZ(0) scale(1)}}@keyframes _cardSwapEnterGood_1f265_1{0%{opacity:0;transform:translate3d(0,18px,0) scale(.97)}to{opacity:1;transform:translateZ(0) scale(1)}}@keyframes _cardSwapEnterEasy_1f265_1{0%{opacity:0;transform:translate3d(-32px,14px,0) rotate(-5deg) scale(.94)}to{opacity:1;transform:translateZ(0) scale(1)}}._flipper_1f265_290{position:relative;width:100%;height:100%;transform-style:preserve-3d;border-radius:.75rem;box-shadow:none;transition:transform .55s cubic-bezier(.4,.2,.2,1)}._flipperFlipped_1f265_302{transform:rotateY(-180deg)}._cardFace_1f265_306{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:var(--fc-space-6);border-radius:.75rem;border:1px solid var(--fc-color-border);background:#fefefe;font-size:var(--fc-text-lg);backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}._cardFaceFrame_1f265_323{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;width:100%;min-height:0;flex:1;gap:var(--fc-space-3)}._cardFaceKind_1f265_334{flex-shrink:0;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--fc-color-text-muted);text-align:center}._cardFaceMain_1f265_344{flex:1;min-height:0;width:100%;overflow:visible;box-sizing:border-box}._cardFaceMainFront_1f265_352{display:flex;flex-direction:column;justify-content:center}._cardFaceMainBack_1f265_358{text-align:left}._cardFaceDeckTitle_1f265_362{flex-shrink:0;width:100%;max-width:100%;font-size:11px;font-weight:600;line-height:1.3;color:var(--fc-color-text-muted);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-transform:uppercase}._cardFaceFront_1f265_377{transform:rotateY(0)}._cardFaceBack_1f265_381{transform:rotateY(180deg)}@media(prefers-reduced-motion:reduce){._tiltWrapper_1f265_173,._flipper_1f265_290{transition:none}._cardBodySwapExit_1f265_200,._cardBodySwapEnter_1f265_226,._cardBodySwapExit_1f265_200[data-swap-rating],._cardBodySwapEnter_1f265_226[data-swap-rating]{animation:none!important;transition:none!important;opacity:1!important;transform:none!important}}._row_1f265_405{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;align-items:flex-start;margin-top:var(--fc-space-10)}._ratingCell_1f265_414{display:flex;flex-direction:column;align-items:center;gap:.35rem}._ratingHint_1f265_421{font-size:11px;font-weight:500;line-height:1.25;color:var(--fc-color-text-muted);text-align:center;min-height:1.25em;max-width:7.5rem}._studyEmpty_1f265_431{max-width:28rem;margin:0 auto;padding:var(--fc-space-6);text-align:center;line-height:1.5;color:var(--fc-color-text)}