:root{--tg-bg: var(--tg-theme-bg-color, #ffffff);--tg-text: var(--tg-theme-text-color, #111827);--tg-hint: var(--tg-theme-hint-color, #6b7280);--tg-button: var(--tg-theme-button-color, #7c3aed);--tg-button-text: var(--tg-theme-button-text-color, #ffffff);--tg-secondary: var(--tg-theme-secondary-bg-color, #f4f4f5);--tg-bg-opaque: var(--tg-bg);--tg-secondary-opaque: var(--tg-secondary);--card-bg: color-mix(in srgb, var(--tg-bg-opaque) 92%, #ffffff 8%);--card-border: color-mix(in srgb, var(--tg-hint) 18%, transparent 82%);--shadow: 0 16px 50px rgba(0, 0, 0, .12);--accent: var(--tg-button);--accent-soft: color-mix(in srgb, var(--tg-button) 14%, var(--tg-bg-opaque) 86%);--btn-bg: color-mix(in srgb, var(--tg-secondary-opaque) 78%, var(--tg-bg-opaque) 22%);--btn-border: color-mix(in srgb, var(--tg-hint) 18%, transparent 82%);--ok: #22c55e;--bad: #ef4444;--app-vh: var(--tg-viewport-height, 100dvh);--app-vh-stable: var(--tg-viewport-stable-height, var(--app-vh));--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}@supports (color: rgb(from white r g b / 1)){:root{--tg-bg-opaque: rgb(from var(--tg-bg) r g b / 1);--tg-secondary-opaque: rgb(from var(--tg-secondary) r g b / 1);--card-bg: color-mix(in srgb, var(--tg-bg-opaque) 92%, #ffffff 8%);--accent-soft: color-mix(in srgb, var(--tg-button) 14%, var(--tg-bg-opaque) 86%);--btn-bg: color-mix(in srgb, var(--tg-secondary-opaque) 78%, var(--tg-bg-opaque) 22%)}}html,body{width:100%;background:var(--tg-bg-opaque);color:var(--tg-text);overscroll-behavior:none}body{margin:0;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;min-height:var(--tg-vh, 100dvh)}#root{min-height:var(--tg-vh, 100dvh)}.app-root{min-height:var(--tg-vh, 100dvh);width:100%;background:var(--tg-bg-opaque);padding-top:calc(env(safe-area-inset-top,0px) + 24px);padding-bottom:calc(env(safe-area-inset-bottom,0px) + 14px);box-sizing:border-box}.app-container{min-height:calc(var(--tg-vh, 100dvh) - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px) - 38px);width:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;margin-top:clamp(12px,4vh,96px);gap:14px;padding:12px 16px;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.stage{width:100%;display:flex;flex-direction:column;align-items:center;gap:14px}.stack{position:relative;width:min(92vw,520px);height:min(58dvh,520px);display:grid;place-items:center;isolation:isolate}.joystick-area{width:min(92vw,520px);display:grid;place-items:center;padding-bottom:6px}.joystick-zone{width:100%;display:flex;justify-content:center;padding-top:14px;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 10px)}@media(max-width:360px){.stack{height:min(480px,48dvh);min-height:360px}}@keyframes enter{0%{transform:translate3d(0,16px,0) scale(.985)}to{transform:translateZ(0) scale(1)}}.card-motion{position:absolute;inset:0;z-index:2;will-change:transform;transform:translateZ(0);animation:enter .52s cubic-bezier(.16,1,.3,1) both}.card-motion.outgoing{z-index:6;pointer-events:none;animation:none!important;transform:translateZ(0);transition:transform 1.8s cubic-bezier(.12,.95,.2,1);opacity:1!important;filter:none!important;mix-blend-mode:normal}.below-actions{width:min(80vw,420px);display:flex;gap:12px;margin-top:14px}.action-btn{flex:1;min-height:46px;border-radius:999px;border:1px solid var(--card-border);font-weight:900;font-size:12px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transform:translateZ(0);will-change:transform,filter;transition:transform .16s cubic-bezier(.16,1,.3,1),filter .16s cubic-bezier(.16,1,.3,1),opacity .16s ease,box-shadow .16s ease}.action-btn:hover{filter:brightness(.99)}.action-btn:active{transform:translateY(2px) scale(.97);filter:brightness(.97);box-shadow:0 10px 24px #00000024;transition:transform 90ms cubic-bezier(.2,.9,.2,1),filter 90ms ease,box-shadow 90ms ease}.action-btn:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent 65%);outline-offset:2px}.action-btn.ghost{background:color-mix(in srgb,var(--accent) 10%,var(--tg-bg-opaque) 90%);border-color:color-mix(in srgb,var(--accent) 35%,transparent 65%);color:var(--accent)}.action-btn.solid{background:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,transparent 55%);color:var(--tg-button-text)}.action-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.card-actions{margin-top:18px;width:100%;display:flex;flex-direction:column;align-items:center;gap:12px;box-sizing:border-box}.btn-row{width:min(320px,92%);display:flex;gap:10px;align-items:stretch;justify-content:center}.reveal-btn{width:min(320px,92%);min-height:56px;border-radius:24px;border:2px solid color-mix(in srgb,var(--accent) 22%,transparent 78%);background:var(--accent-soft);font-size:1.05rem;font-weight:600;color:var(--accent);cursor:pointer;transform:translateZ(0);will-change:transform,filter;transition:transform .16s cubic-bezier(.16,1,.3,1),filter .16s cubic-bezier(.16,1,.3,1),background .16s cubic-bezier(.16,1,.3,1),border-color .16s cubic-bezier(.16,1,.3,1),color .16s cubic-bezier(.16,1,.3,1),box-shadow .16s cubic-bezier(.16,1,.3,1)}.reveal-btn.mini{width:auto;flex:1;min-width:0;min-height:44px;border-radius:18px;font-size:1.08rem;font-weight:600;letter-spacing:.02em;padding:10px}.reveal-btn:hover{filter:brightness(.99)}.reveal-btn:active{transform:translateY(2px) scale(.97);filter:brightness(.97);box-shadow:0 10px 24px #00000024;transition:transform 90ms cubic-bezier(.2,.9,.2,1),filter 90ms ease,box-shadow 90ms ease}.reveal-btn:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent 65%);outline-offset:2px}.reveal-btn.revealed{background:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,transparent 55%);color:var(--tg-button-text);cursor:default;filter:none;transform:none;box-shadow:none}.global-status{width:min(88vw,420px);margin-top:6px;font-size:12px;color:var(--tg-hint);font-weight:700;text-align:center}.card-motion{position:absolute;inset:0;z-index:2;width:100%;height:100%;display:grid;place-items:center;will-change:transform;transform:translateZ(0);animation:enter .52s cubic-bezier(.16,1,.3,1) both}.card-motion.no-enter{animation:none!important}.card-motion.outgoing{z-index:6;pointer-events:none;animation:none!important;transition:transform 1.8s cubic-bezier(.12,.95,.2,1);opacity:1!important;filter:none!important;mix-blend-mode:normal}.card-motion.outgoing.swipe-left{transform:translate3d(-160vw,20px,0) rotate(-16deg) scale(.99)!important}.card-motion.outgoing.swipe-right{transform:translate3d(160vw,20px,0) rotate(16deg) scale(.99)!important}.card-drag{position:absolute;inset:0;width:100%;height:100%;display:grid;place-items:center;will-change:transform;transition:none}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:26px;box-shadow:var(--shadow);width:100%;height:100%;position:absolute;inset:0;overflow:hidden;-moz-user-select:none;user-select:none;-webkit-user-select:none}.stack-card{z-index:1;opacity:1;filter:none;transform:translateY(40px) scale(.9);transition:transform 2s cubic-bezier(.16,1,.3,1)}.card-top{position:absolute;top:14px;left:14px;right:14px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.card-top-left,.card-top-right{display:flex;align-items:center;gap:8px}.chip{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--card-border);background:color-mix(in srgb,var(--tg-secondary-opaque) 65%,var(--tg-bg-opaque) 35%);color:var(--tg-text);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.chip-ghost{background:transparent;color:var(--tg-hint);border-color:transparent}.card.swipe-card{padding:22px;box-sizing:border-box;text-align:center;--hero-font-size: clamp(3rem, 8vw, 4.2rem);--hero-line-height: 1.02;--hero-height: calc(var(--hero-font-size) * var(--hero-line-height));--translation-gap-mult: .65;--translation-gap: calc(var(--hero-font-size) * var(--hero-line-height) * var(--translation-gap-mult));--example-center-y: 75%}.swipe-card .hero,.swipe-card .center-info{position:absolute;inset:56px 22px 22px}.swipe-card .hero{display:grid;justify-items:center;align-content:start;text-align:center;padding-top:45%;will-change:transform;transition:transform .56s cubic-bezier(.16,1,.3,1)}.swipe-card .hero-word{margin:0;font-size:var(--hero-font-size);font-weight:200;line-height:var(--hero-line-height);letter-spacing:clamp(0em,.2vw,.02em);color:var(--accent)}.hero-translation{margin-top:var(--translation-gap);width:100%;display:grid;place-items:center;transform:translateZ(0)}.hero-divider{margin-top:calc(var(--translation-gap) * 2);width:min(240px,48%);height:1px;background:color-mix(in srgb,var(--tg-hint) 55%,transparent 45%);opacity:.35;pointer-events:none}.translation-pill{width:min(380px,92%);margin-left:auto;margin-right:auto;padding:0;border:none;background:transparent;text-shadow:0 1px 0 rgba(0,0,0,.1);color:var(--tg-text);font-weight:300;font-size:1.5rem;line-height:1.2;text-align:center}.swipe-card .center-info{position:absolute;inset:56px 22px 22px;will-change:opacity,transform}.example-card{position:absolute;left:50%;top:var(--example-center-y);transform:translate(-50%,-50%);width:min(520px,92%);margin:0;padding:0;border:none;background:transparent;text-align:center}.example-en{margin:0;font-weight:400;font-size:1.5rem;line-height:1.3;color:var(--accent)}.example-ru{margin:8px 0 0;font-weight:300;font-size:1.5rem;line-height:1.3;color:varvar(--tg-text)}.card-drag.snap-back{transition:transform var(--snap-ms, .44s) cubic-bezier(.16,1,.3,1)}.card.swipe-card{position:absolute}.card.swipe-card:after{content:"";position:absolute;left:50%;top:50%;width:42%;height:1px;transform:translate(-50%,-50%);background:color-mix(in srgb,var(--tg-hint) 55%,transparent 45%);opacity:0;pointer-events:none}.card.swipe-card[data-reveal="1"]:after{opacity:.35;transition:opacity .22s ease}.quiz-options{width:100%;display:flex;flex-direction:column;gap:12px;margin-top:18px}.opt-btn{background:var(--btn-bg);border:2px solid var(--btn-border);border-radius:18px;padding:16px;min-height:56px;font-size:1.05rem;font-weight:700;color:var(--tg-text);cursor:pointer;transition:transform .12s ease,filter .12s ease,background .12s ease,border-color .12s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.opt-btn:active{transform:scale(.97);filter:brightness(.98)}.opt-btn.correct{background:var(--ok);color:#fff;border-color:var(--ok)}.opt-btn.wrong{background:var(--bad);color:#fff;border-color:var(--bad)}.skeleton{background:linear-gradient(90deg,color-mix(in srgb,var(--tg-secondary-opaque) 70%,var(--tg-bg-opaque) 30%),color-mix(in srgb,var(--tg-secondary-opaque) 52%,var(--tg-bg-opaque) 48%),color-mix(in srgb,var(--tg-secondary-opaque) 70%,var(--tg-bg-opaque) 30%));background-size:220% 100%;animation:shimmer 1.2s ease-in-out infinite;border-color:transparent!important}@keyframes shimmer{0%{background-position:0% 0}to{background-position:220% 0}}.card-skeleton{position:relative}.sk-word{width:62%;height:40px;border-radius:14px;margin-top:8px}.sk-btn{width:86%;height:56px;border-radius:18px;margin-top:14px}.joy-wrap{position:relative;display:grid;place-items:center;-moz-user-select:none;user-select:none;-webkit-user-select:none;touch-action:none;isolation:isolate}.joy-slot{width:100%;display:flex;justify-content:center;margin-top:14px;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 12px)}.joy-icon{position:absolute;width:44px;height:44px;border-radius:999px;display:grid;place-items:center;background:color-mix(in srgb,var(--tg-bg-opaque) 82%,var(--tg-secondary-opaque) 18%);border:1px solid color-mix(in srgb,var(--card-border) 80%,transparent 20%);box-shadow:0 10px 22px #0000001a,inset 0 1px #ffffff8c;font-size:18px;line-height:1;z-index:30;pointer-events:none}.joy-up{top:10px;left:50%;transform:translate(-50%)}.joy-right{right:10px;top:50%;transform:translateY(-50%)}.joy-down{bottom:10px;left:50%;transform:translate(-50%)}.joy-left{left:10px;top:50%;transform:translateY(-50%)}.joy-wrap[data-dir=up] .joy-up,.joy-wrap[data-dir=right] .joy-right,.joy-wrap[data-dir=down] .joy-down,.joy-wrap[data-dir=left] .joy-left{box-shadow:0 10px 22px #0000001a,0 0 18px color-mix(in srgb,var(--accent) 55%,transparent 45%),inset 0 1px #ffffff8c}.joy-base{width:132px;height:132px;border-radius:999px;background:color-mix(in srgb,var(--tg-secondary-opaque) 62%,var(--tg-bg-opaque) 38%);border:1px solid var(--card-border);box-shadow:inset 10px 10px 20px #0000000f,inset -10px -10px 20px #ffffffa6,0 18px 36px #0000001a;display:grid;place-items:center;touch-action:none;position:relative;z-index:10;transition:transform .14s cubic-bezier(.16,1,.3,1),filter .14s}.joy-knob{width:92px;height:92px;border-radius:999px;background:color-mix(in srgb,var(--tg-bg-opaque) 92%,#ffffff 8%);border:1px solid var(--card-border);box-shadow:0 14px 30px #0000001f,inset 0 1px #fff9;display:grid;place-items:center;position:relative;z-index:20;--joy-x: 0px;--joy-y: 0px;--joy-s: 1;transform:translate3d(var(--joy-x),var(--joy-y),0) scale(var(--joy-s));will-change:transform}.joy-arrows{width:54px;height:54px;display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr 1fr;place-items:center;color:color-mix(in srgb,var(--tg-hint) 78%,var(--tg-text) 22%);font-weight:800}.joy-arrows span:nth-child(1){grid-column:2;grid-row:1}.joy-arrows span:nth-child(2){grid-column:1;grid-row:2}.joy-arrows span:nth-child(3){grid-column:3;grid-row:2}.joy-arrows span:nth-child(4){grid-column:2;grid-row:3}.joy-wrap[data-pressed="1"] .joy-base{transform:translateY(2px);filter:brightness(.975)}.joy-wrap[data-pressed="1"] .joy-knob{--joy-s: .985;box-shadow:0 10px 22px #00000024,inset 0 1px #ffffff8c}