*{box-sizing:border-box;margin:0;padding:0}:root{--app-chrome-bg: #f6f8fd;--app-chrome-image: radial-gradient(900px 520px at -10% -10%, rgba(123, 159, 249, .34) 0%, transparent 58%), radial-gradient(820px 520px at 110% 10%, rgba(167, 139, 255, .28) 0%, transparent 60%), radial-gradient(760px 520px at 30% 110%, rgba(109, 191, 138, .14) 0%, transparent 60%), linear-gradient(180deg, #ffffff 0%, #fbfbff 40%, #f5f7fc 100%);--app-max-width: 390px;--app-height: 100dvh;--jr-nav-active: #7b9ff9;--tg-safe-top: 0px;--tg-safe-bottom: 0px;--tg-safe-left: 0px;--tg-safe-right: 0px;--tg-content-safe-top: 0px;--tg-content-safe-bottom: 0px;--tg-content-safe-left: 0px;--tg-content-safe-right: 0px;--jr-tg-chrome-active: 0;--jr-host-bottom-safe: max(0px, env(safe-area-inset-bottom, 0px) - var(--tg-content-safe-bottom, 0px));--jr-bottom-tab-scroll-padding: calc(82px + var(--jr-host-bottom-safe, 0px));--jr-bottom-nav-pill-visual-height: 68px;--jr-bottom-nav-pill-stack-top: calc( 6px + var(--jr-bottom-nav-pill-visual-height) + var(--jr-host-bottom-safe, 0px) );--jr-deck-action-btn-size: 64px;--jr-deck-actions-gap-above-tab: 12px;--jr-deck-actions-bottom: calc(var(--jr-bottom-tab-scroll-padding) + var(--jr-deck-actions-gap-above-tab));--jr-flashcards-main-pad-bottom: calc( var(--jr-deck-actions-bottom) + var(--jr-deck-action-btn-size) + 16px )}.jrDeckActionsBar{position:fixed;left:50%;bottom:var(--jr-deck-actions-bottom);transform:translate(-50%);z-index:90;display:flex;align-items:center;justify-content:center;gap:40px;width:min(calc(100% - 32px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px)),calc(var(--app-max-width, 390px) - 32px));pointer-events:none}.jrDeckActionsBar>*{pointer-events:auto}html{height:100%;background-color:var(--app-chrome-bg);background-image:var(--app-chrome-image);background-repeat:no-repeat;background-attachment:fixed;overscroll-behavior:none;touch-action:manipulation;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:transparent;display:flex;justify-content:center;align-items:flex-start;min-height:100%;height:100%;overflow:hidden;overscroll-behavior:none;touch-action:manipulation;font-family:-apple-system,SF Pro Display,Segoe UI,sans-serif}input,textarea,select,[contenteditable=true]{font-size:max(16px,1em)}#root{width:100%;height:var(--app-height, 100svh);max-height:var(--app-height, 100dvh);display:flex;align-items:flex-start;justify-content:center;background:transparent;overscroll-behavior:none;touch-action:manipulation}@keyframes jrGreenShimmerSeamless{0%{background-position:0% 50%}to{background-position:100% 50%}}.jrAmbientViewportGlow{position:fixed;inset:0;width:100vw;min-height:100dvh;pointer-events:none;z-index:0}.wfMobileOnlyRoot{position:relative;z-index:1;width:var(--app-max-width, 390px);max-width:min(var(--app-max-width, 390px),100vw);height:100%;min-height:0;background:transparent;overflow:hidden;overscroll-behavior:none;display:flex;flex-direction:column;border-radius:0;box-shadow:none;padding-top:var(--tg-content-safe-top, 0px);padding-right:var(--tg-content-safe-right, 0px);padding-bottom:var(--tg-content-safe-bottom, 0px);padding-left:var(--tg-content-safe-left, 0px)}.appColumn{flex:1;min-height:0;display:flex;flex-direction:column;position:relative;transform:translateZ(0)}.session-bootstrap-overlay{position:absolute;inset:0;z-index:300;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#ffffffe0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.session-bootstrap-spinner{width:36px;height:36px;border-radius:50%;border:3px solid #e8e8f2;border-top-color:#7b9ff9;animation:session-bootstrap-spin .75s linear infinite}.session-bootstrap-label{font-size:14px;font-weight:600;color:#88a;letter-spacing:.02em}@keyframes session-bootstrap-spin{to{transform:rotate(360deg)}}.appMain{flex:1;min-height:0;overflow:hidden;overscroll-behavior:none;display:flex;flex-direction:column}.appMain>*{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}html.keyboard-open .bottomNav{display:none}.bottomNav{position:fixed;left:50%;bottom:calc(6px + var(--jr-host-bottom-safe, 0px));transform:translate(-50%);width:min(calc(100% - 32px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px)),calc(var(--app-max-width, 390px) - 32px));z-index:100;pointer-events:none;background:transparent}.bottomNavInner{pointer-events:auto;display:flex;gap:6px;padding:8px 7px;border-radius:28px;border:1px solid rgba(26,26,46,.08);background:#ffffffe0;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 12px 32px #1a1a2e1f,inset 0 1px #ffffffe6;position:relative;overflow:hidden;isolation:isolate;transform:translateZ(0)}.bottomNavItem{flex:1;border:0;background:transparent;color:#1a1a2e61;border-radius:16px;padding:9px 6px 8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:background .16s ease,color .16s ease,transform .16s ease}.bottomNavIcon{display:grid;place-items:center}.bottomNavLabel{font-size:9px;font-weight:800;letter-spacing:.04em;line-height:1}.bottomNavItem.isActive{color:#fff;background:var(--jr-nav-active, #7b9ff9);border-radius:20px;box-shadow:0 6px 16px #7b9ff959,inset 0 1px #ffffff40}.bottomNavItem:active{transform:translateY(1px)}.bottomNavItem:focus-visible{outline:2px solid var(--jr-nav-active, #7b9ff9);outline-offset:2px}