.Flashcard_cardContainer__Utsdz{perspective:1500px;width:100%;max-width:420px;aspect-ratio:5/7;margin:0 auto}.Flashcard_card__LYcyq{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d;cursor:pointer}.Flashcard_cardBack__lxEgn,.Flashcard_cardFront__UljO1{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:20px;background:var(--color-bg-card,#18181B);border:1px solid var(--color-border,#3f3f46);padding:28px;display:flex;flex-direction:column;box-shadow:0 8px 32px rgba(0,0,0,.4);transition:box-shadow .3s ease}.Flashcard_card__LYcyq:hover .Flashcard_cardBack__lxEgn,.Flashcard_card__LYcyq:hover .Flashcard_cardFront__UljO1{box-shadow:0 12px 48px rgba(0,0,0,.5)}.Flashcard_card__LYcyq.Flashcard_flipped__3wetY{transform:rotateY(180deg)}.Flashcard_cardBack__lxEgn,.Flashcard_cardFront__UljO1{color:var(--color-text-primary,#F4F4F5)}.Flashcard_cardBack__lxEgn{background:var(--color-bg-elevated,#27272A);transform:rotateY(180deg)}.Flashcard_cardHeader__aC0Cl{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-shrink:0}.Flashcard_cefr__De8Ie{background:rgba(59,130,246,.12);color:var(--color-primary,#3b82f6);padding:6px 14px;border-radius:8px;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase}.Flashcard_actions__a6tJO{display:flex;gap:8px}.Flashcard_iconButton__xapO8{background:transparent;border:none;width:36px;height:36px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary,#A1A1AA);transition:all .2s ease;text-decoration:none}.Flashcard_iconButton__xapO8:hover{background:rgba(59,130,246,.1);color:var(--color-primary,#3b82f6)}.Flashcard_iconButton__xapO8:active{transform:scale(.95)}.Flashcard_frontContent___ENwv{flex:1 1;display:flex;flex-direction:column;justify-content:space-between;gap:24px}.Flashcard_wordContainer__ZBSHa{text-align:center;padding:0 16px;margin:auto 0}.Flashcard_backContent__uRqkc{flex:1 1;display:flex;flex-direction:column;gap:24px;overflow-y:auto}.Flashcard_imageContainer__hcnNX{width:100%;max-width:240px;aspect-ratio:1/1;border-radius:16px;overflow:hidden;background:var(--color-bg,#0D0D0F);flex-shrink:0;box-shadow:0 4px 16px rgba(0,0,0,.3);margin:0 auto}.Flashcard_image__6_8_g{width:100%;height:100%;object-fit:cover}.Flashcard_word__gfkvf{font-size:52px;font-weight:700;margin:0;line-height:1.1;color:var(--color-text-primary,#F4F4F5);letter-spacing:-.02em}.Flashcard_translationSection__jdLfG{text-align:center;padding:0 8px}.Flashcard_translationSection__jdLfG .Flashcard_word__gfkvf{font-size:42px;margin-bottom:12px}.Flashcard_translation__p0cT2{font-size:32px;font-weight:600;margin:0;color:var(--color-primary,#3b82f6);line-height:1.3}.Flashcard_example__Sh73p{padding:20px;border-radius:12px;background:rgba(59,130,246,.05);border:1px solid rgba(59,130,246,.1);margin-top:auto}.Flashcard_exampleSpanish__ZILfM{font-size:16px;font-style:italic;margin:0 0 10px;color:var(--color-text-primary,#F4F4F5);line-height:1.6;font-weight:500}.Flashcard_exampleEnglish__CD8iF{font-size:14px;margin:0;color:var(--color-text-secondary,#A1A1AA);line-height:1.5}.Flashcard_tapHint__mqQR3{text-align:center;font-size:13px;color:var(--color-text-secondary,#71717A);opacity:.6;letter-spacing:.5px;text-transform:uppercase;font-weight:600;padding:12px;flex-shrink:0}@media (max-width:600px){.Flashcard_cardContainer__Utsdz{max-width:100%}.Flashcard_cardBack__lxEgn,.Flashcard_cardFront__UljO1{padding:24px}.Flashcard_imageContainer__hcnNX{max-width:200px}.Flashcard_word__gfkvf{font-size:44px}.Flashcard_translationSection__jdLfG .Flashcard_word__gfkvf{font-size:36px}.Flashcard_translation__p0cT2{font-size:28px}.Flashcard_exampleSpanish__ZILfM{font-size:15px}.Flashcard_exampleEnglish__CD8iF{font-size:13px}}@media (max-width:480px){.Flashcard_cardBack__lxEgn,.Flashcard_cardFront__UljO1{padding:20px}.Flashcard_cardHeader__aC0Cl{margin-bottom:16px}.Flashcard_imageContainer__hcnNX{max-width:180px}.Flashcard_word__gfkvf{font-size:40px}.Flashcard_translationSection__jdLfG .Flashcard_word__gfkvf{font-size:32px}.Flashcard_translation__p0cT2{font-size:24px}.Flashcard_frontContent___ENwv{gap:16px}.Flashcard_iconButton__xapO8{width:32px;height:32px}.Flashcard_cefr__De8Ie{font-size:10px;padding:5px 12px}.Flashcard_example__Sh73p{padding:16px}.Flashcard_tapHint__mqQR3{font-size:12px}}@media print{.Flashcard_cardContainer__Utsdz{max-width:100%;height:auto;aspect-ratio:unset}.Flashcard_card__LYcyq{box-shadow:none;border:2px solid #000}.Flashcard_actions__a6tJO{display:none}}.ReviewScreen_container__Npprk{min-height:100vh;background:var(--color-bg,#0D0D0F);padding:20px 20px 0;display:flex;flex-direction:column;gap:20px}.ReviewScreen_header__WoJgs{max-width:800px;width:100%;margin:0 auto;flex-shrink:0}.ReviewScreen_progressBar__DCwu9{width:100%;height:6px;background:var(--color-bg-card,#18181B);border-radius:8px;overflow:hidden;margin-bottom:10px}.ReviewScreen_progressFill__5An1u{height:100%;background:linear-gradient(90deg,var(--color-primary,#3b82f6),var(--color-secondary,#8b5cf6));border-radius:8px;transition:width .4s cubic-bezier(.4,0,.2,1)}.ReviewScreen_progressText__4ZqdX{text-align:center;color:var(--color-text-secondary,#A1A1AA);font-size:14px;font-weight:500}.ReviewScreen_cardSection__2aQGG{flex:1 1;display:flex;align-items:flex-start;justify-content:center;min-height:0;padding-top:12px;margin-bottom:16px}.ReviewScreen_ratingSection__4uSUD{position:-webkit-sticky;position:sticky;bottom:0;left:0;right:0;max-width:800px;width:100%;margin:0 auto;padding:16px 20px 20px;background:linear-gradient(to top,var(--color-bg,#0D0D0F) 85%,transparent);z-index:10;flex-shrink:0}.ReviewScreen_ratingButtons__0oAAm{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px;margin-bottom:16px}.ReviewScreen_ratingButton__d_Lys{background:var(--color-bg-card,#18181B);border:1.5px solid transparent;border-radius:var(--border-radius,.75rem);padding:16px 12px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;align-items:center;gap:4px;font-family:inherit}.ReviewScreen_ratingButton__d_Lys:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}.ReviewScreen_ratingButton__d_Lys:active{transform:translateY(0)}.ReviewScreen_ratingLabel__uPNmH{font-size:15px;font-weight:600;color:var(--color-text-primary,#F4F4F5)}.ReviewScreen_ratingHint__zHBxO{font-size:11px;color:var(--color-text-light,#71717A);font-weight:500}.ReviewScreen_again__hRjoR{border-color:rgba(239,68,68,.3)}.ReviewScreen_again__hRjoR:hover{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.5)}.ReviewScreen_again__hRjoR .ReviewScreen_ratingLabel__uPNmH{color:#ef4444}.ReviewScreen_hard__BUwkD{border-color:rgba(249,115,22,.3)}.ReviewScreen_hard__BUwkD:hover{background:rgba(249,115,22,.08);border-color:rgba(249,115,22,.5)}.ReviewScreen_hard__BUwkD .ReviewScreen_ratingLabel__uPNmH{color:#f97316}.ReviewScreen_good__9OkZp{border-color:rgba(16,185,129,.3)}.ReviewScreen_good__9OkZp:hover{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.5)}.ReviewScreen_good__9OkZp .ReviewScreen_ratingLabel__uPNmH{color:var(--color-accent,#10b981)}.ReviewScreen_easy__dceYC{border-color:rgba(59,130,246,.3)}.ReviewScreen_easy__dceYC:hover{background:rgba(59,130,246,.08);border-color:rgba(59,130,246,.5)}.ReviewScreen_easy__dceYC .ReviewScreen_ratingLabel__uPNmH{color:var(--color-primary,#3b82f6)}.ReviewScreen_ratingLegend__JdfTO{display:none;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px 16px;background:var(--color-bg-card,#18181B);border-radius:var(--border-radius,.75rem);margin-top:8px;animation:ReviewScreen_slideDown__fCztP .2s ease-out}.ReviewScreen_ratingLegend__JdfTO.ReviewScreen_visible__ntU9P{display:grid}@keyframes ReviewScreen_slideDown__fCztP{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.ReviewScreen_legendItem__kw3Rm{color:var(--color-text-secondary,#A1A1AA);font-size:12px;line-height:1.4;text-align:center}.ReviewScreen_legendItem__kw3Rm strong{display:block;font-weight:600;color:var(--color-text-primary,#F4F4F5);margin-bottom:2px}.ReviewScreen_legendToggle__cjojU{display:flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:none;color:var(--color-text-secondary,#A1A1AA);font-size:12px;font-weight:500;cursor:pointer;padding:8px 12px;border-radius:6px;transition:all .2s ease;margin:0 auto;font-family:inherit}.ReviewScreen_legendToggle__cjojU:hover{color:var(--color-text-primary,#F4F4F5);background:rgba(255,255,255,.05)}.ReviewScreen_legendToggle__cjojU svg{width:16px;height:16px;flex-shrink:0}.ReviewScreen_flipPrompt__evWQq{text-align:center;color:var(--color-text-light,#71717A);font-size:14px;font-weight:500;padding:20px;max-width:800px;margin:0 auto}.ReviewScreen_keyboardHints__s81Gp{text-align:center;color:var(--color-text-light,#71717A);font-size:11px;margin-top:8px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.ReviewScreen_keyboardHints__s81Gp span{background:var(--color-bg-card,#18181B);padding:3px 8px;border-radius:4px;font-family:SF Mono,Monaco,Inconsolata,Fira Code,monospace;font-size:10px}.ReviewScreen_loading__p2ZzC{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--color-text-secondary,#A1A1AA);gap:20px}.ReviewScreen_spinner__AERhE{width:48px;height:48px;border:3px solid var(--color-bg-card,#18181b);border-top-color:var(--color-primary,#3b82f6);border-radius:50%;animation:ReviewScreen_spin__bggQ_ .8s linear infinite}@keyframes ReviewScreen_spin__bggQ_{to{transform:rotate(1turn)}}.ReviewScreen_loading__p2ZzC p{font-size:15px;font-weight:500}.ReviewScreen_completed__y_MJA{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:32px;max-width:700px;margin:0 auto;padding:40px 20px}.ReviewScreen_completedIcon__VE_vx{font-size:72px;animation:ReviewScreen_celebrate__180k_ .6s cubic-bezier(.68,-.55,.265,1.55)}@keyframes ReviewScreen_celebrate__180k_{0%{transform:scale(0) rotate(-180deg);opacity:0}to{transform:scale(1) rotate(0deg);opacity:1}}.ReviewScreen_completed__y_MJA h2{font-size:42px;margin:0;font-weight:700;background:linear-gradient(135deg,var(--color-primary,#3b82f6),var(--color-secondary,#8b5cf6));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.ReviewScreen_completedMessage__lXgPV{font-size:17px;color:var(--color-text-secondary,#A1A1AA);line-height:1.5;max-width:400px}.ReviewScreen_statsGrid__q7qZD{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px;width:100%;max-width:600px}.ReviewScreen_statCard__uIA_w{background:var(--color-bg-card,#18181B);border:1px solid var(--color-border,#3f3f46);padding:20px;border-radius:var(--border-radius,.75rem);transition:all .2s ease}.ReviewScreen_statCard__uIA_w:hover{border-color:rgba(59,130,246,.4);transform:translateY(-2px)}.ReviewScreen_statValue__d3Vyq{font-size:32px;font-weight:700;margin-bottom:6px;background:linear-gradient(135deg,var(--color-primary,#3b82f6),var(--color-secondary,#8b5cf6));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.ReviewScreen_statLabel__Mnn9E{font-size:11px;color:var(--color-text-secondary,#A1A1AA);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.ReviewScreen_returnButton__dw8E0{background:linear-gradient(135deg,var(--color-primary,#3b82f6),var(--color-secondary,#8b5cf6));color:white;border:none;padding:12px 32px;font-size:15px;font-weight:600;border-radius:var(--border-radius,.75rem);cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px rgba(59,130,246,.25)}.ReviewScreen_returnButton__dw8E0:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.35)}.ReviewScreen_returnButton__dw8E0:active{transform:translateY(0)}@media (max-width:768px){.ReviewScreen_container__Npprk{padding:16px 16px 0;gap:16px}.ReviewScreen_cardSection__2aQGG{margin-bottom:12px}.ReviewScreen_ratingSection__4uSUD{padding:12px 16px 16px}.ReviewScreen_ratingButtons__0oAAm,.ReviewScreen_ratingLegend__JdfTO{grid-template-columns:repeat(2,1fr)}.ReviewScreen_legendToggle__cjojU{font-size:11px;padding:6px 10px}.ReviewScreen_keyboardHints__s81Gp{display:none}.ReviewScreen_completed__y_MJA h2{font-size:32px}.ReviewScreen_completedIcon__VE_vx{font-size:56px}.ReviewScreen_statsGrid__q7qZD{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.ReviewScreen_container__Npprk{padding:12px 12px 0;gap:12px}.ReviewScreen_cardSection__2aQGG{margin-bottom:8px;padding-top:8px}.ReviewScreen_ratingSection__4uSUD{padding:12px}.ReviewScreen_ratingButton__d_Lys{padding:14px 10px}.ReviewScreen_ratingLabel__uPNmH{font-size:14px}.ReviewScreen_ratingHint__zHBxO{font-size:10px}.ReviewScreen_ratingLegend__JdfTO{grid-template-columns:1fr}.ReviewScreen_legendToggle__cjojU{font-size:10px;padding:5px 8px}.ReviewScreen_legendToggle__cjojU svg{width:14px;height:14px}.ReviewScreen_completed__y_MJA{gap:24px;padding:24px 12px}.ReviewScreen_completed__y_MJA h2{font-size:28px}.ReviewScreen_completedMessage__lXgPV{font-size:15px}.ReviewScreen_statCard__uIA_w{padding:16px}.ReviewScreen_statValue__d3Vyq{font-size:28px}}