:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--lp-bg:var(--tg-theme-bg-color,#f2f3f5);--lp-surface:var(--tg-theme-secondary-bg-color,#fff);--lp-text:var(--tg-theme-text-color,#101114);--lp-hint:var(--tg-theme-hint-color,#7d828a);--lp-link:var(--tg-theme-link-color,#2f7de1);--lp-accent:var(--tg-theme-accent-text-color,var(--tg-theme-link-color,#2f7de1));--lp-button:var(--tg-theme-button-color,#2f7de1);--lp-button-text:var(--tg-theme-button-text-color,#fff);--lp-destructive:var(--tg-theme-destructive-text-color,#d13438);--lp-radius:18px;--lp-shadow:0 12px 32px #00000014, inset 0 0 0 1px #7f7f7f1a;--lp-again:#d13438;--lp-hard:#9a5b00;--lp-good:#157a52;--lp-easy:#2563b8;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--lp-bg);color:var(--lp-text);overscroll-behavior-y:none;margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font-family:inherit}:focus-visible{outline:2px solid var(--lp-accent);outline-offset:2px}.app-shell{width:100%;max-width:560px;min-height:100dvh;padding:calc(20px + env(safe-area-inset-top)) 18px calc(28px + env(safe-area-inset-bottom));margin:0 auto}.app-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:22px;display:flex}.eyebrow{letter-spacing:.09em;text-transform:uppercase;color:var(--lp-hint);margin:0 0 2px;font-size:.76rem;font-weight:700}h1{letter-spacing:-.02em;margin:0;font-size:1.65rem;line-height:1.2}.subtitle{color:var(--lp-hint);margin:6px 0 0;font-size:.92rem}.icon-link{background:var(--lp-surface);width:42px;height:42px;color:var(--lp-accent);border-radius:14px;flex:none;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #7f7f7f1f}.icon-link:active{transform:scale(.96)}.due-summary{background:var(--lp-surface);color:var(--lp-accent);border-radius:14px;align-items:center;gap:10px;margin-bottom:14px;padding:12px 15px;font-size:.88rem;font-weight:600;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.deck-list{flex-direction:column;gap:10px;display:flex}.deck-card{border-radius:var(--lp-radius);background:var(--lp-surface);color:inherit;align-items:center;gap:12px;padding:15px 16px;text-decoration:none;transition:transform .12s;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.deck-card:active{transform:scale(.985)}.deck-main{flex:1;min-width:0}.deck-name{text-overflow:ellipsis;white-space:nowrap;margin:0 0 5px;font-size:1.02rem;font-weight:600;line-height:1.3;overflow:hidden}.deck-language{text-overflow:ellipsis;white-space:nowrap;max-width:100%;color:var(--lp-hint);font-size:.78rem;display:inline-block;overflow:hidden}.deck-counts{flex-direction:column;flex:none;align-items:flex-end;gap:5px;display:flex}.count-badge{white-space:nowrap;border-radius:999px;padding:3px 9px;font-size:.75rem;font-weight:650;line-height:1.35}.count-badge--due{background:var(--lp-button);color:var(--lp-button-text)}.count-badge--new{color:var(--lp-hint);box-shadow:inset 0 0 0 1px #7f7f7f38}.chevron{color:var(--lp-hint);opacity:.7;flex:none}.skeleton-card{border-radius:var(--lp-radius);background:linear-gradient(100deg, var(--lp-surface) 38%, #7f7f7f24 50%, var(--lp-surface) 62%);background-size:220% 100%;height:78px;animation:1.4s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:120% 0}to{background-position:-20% 0}}.state{background:var(--lp-surface);text-align:center;border-radius:24px;margin-top:8px;padding:38px 22px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.state-icon{width:58px;height:58px;color:var(--lp-accent);background:#7f7f7f1f;border-radius:50%;place-items:center;margin:0 auto 16px;display:grid}.state-icon--danger{color:var(--lp-destructive);background:#d134381f}.state-icon--success{color:var(--lp-good);background:#157a5224}.state h2{margin:0 0 7px;font-size:1.15rem;line-height:1.3}.state p{max-width:34ch;color:var(--lp-hint);margin:0 auto 20px;font-size:.9rem;line-height:1.5}.button{background:var(--lp-button);min-height:46px;color:var(--lp-button-text);font:inherit;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .1s,opacity .15s;display:inline-flex}.button:active:not(:disabled){transform:scale(.975)}.button:disabled{opacity:.55}.button--ghost{color:var(--lp-accent);background:0 0;box-shadow:inset 0 0 0 1px #7f7f7f38}.button--block{width:100%}.page-loader{place-items:center;min-height:55vh;display:grid}.spinner{border:2.5px solid #7f7f7f40;border-top-color:var(--lp-accent);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.study-top{align-items:center;gap:12px;margin-bottom:16px;display:flex}.back-button{background:var(--lp-surface);width:40px;height:40px;color:var(--lp-text);cursor:pointer;border:0;border-radius:13px;flex:none;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #7f7f7f1f}.back-button:active{transform:scale(.95)}.study-heading{flex:1;min-width:0}.study-deck-name{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.98rem;font-weight:600;overflow:hidden}.study-progress-text{color:var(--lp-hint);margin:1px 0 0;font-size:.78rem}.progress-track{background:#7f7f7f2e;border-radius:999px;height:6px;margin-bottom:18px;overflow:hidden}.progress-fill{border-radius:inherit;background:var(--lp-button);height:100%;transition:width .25s}.study-card{background:var(--lp-surface);width:100%;min-height:min(54vh,440px);color:inherit;font:inherit;text-align:center;box-shadow:var(--lp-shadow);cursor:pointer;border:0;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:30px 22px;display:flex;position:relative}.study-card:active{transform:scale(.995)}.card-face{flex-direction:column;align-items:center;gap:14px;width:100%;max-height:48vh;animation:.18s card-in;display:flex;overflow-y:auto}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.card-label{color:var(--lp-hint);letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;font-weight:700}.card-term{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:clamp(1.7rem,7vw,2.4rem);font-weight:650;line-height:1.25}.card-term--prompt{color:var(--lp-hint);font-size:clamp(1.1rem,4.5vw,1.35rem);font-weight:600}.card-answer{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:clamp(1.3rem,5.5vw,1.85rem);font-weight:550;line-height:1.35}.card-divider{background:#7f7f7f4d;border-radius:2px;width:48px;height:2px}.card-hint{color:var(--lp-hint);align-items:center;gap:6px;margin-top:4px;font-size:.82rem;display:flex}.study-actions{margin-top:16px}.rate-prompt{color:var(--lp-hint);text-align:center;margin:0 0 10px;font-size:.82rem}.rating-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.rating-button{color:#fff;min-height:54px;font:inherit;cursor:pointer;border:0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:9px 4px;font-size:.82rem;font-weight:650;transition:transform .1s,opacity .15s;display:flex}.rating-button:active:not(:disabled){transform:scale(.955)}.rating-button:disabled{opacity:.45;cursor:default}.rating-button small{opacity:.8;font-size:.68rem;font-weight:500}.rating--again{background:var(--lp-again)}.rating--hard{background:var(--lp-hard)}.rating--good{background:var(--lp-good)}.rating--easy{background:var(--lp-easy)}.form-error{color:var(--lp-destructive);background:#d134381f;border-radius:12px;margin-top:12px;padding:10px 13px;font-size:.84rem;line-height:1.4}.session-complete{background:var(--lp-surface);box-shadow:var(--lp-shadow);text-align:center;border-radius:26px;padding:46px 20px}.success-ring{width:86px;height:86px;color:var(--lp-good);background:#157a5224;border-radius:50%;place-items:center;margin:0 auto 20px;display:grid}.session-complete h2{letter-spacing:-.01em;margin:0 0 8px;font-size:1.4rem}.session-complete p{color:var(--lp-hint);margin:0 0 24px;font-size:.95rem}.session-actions{flex-direction:column;gap:10px;display:flex}@media (width>=480px){.app-shell{padding-left:24px;padding-right:24px}.rating-button{min-height:60px;font-size:.9rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}