:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--s-app:#f2f2f7;--s-card:#fff;--s-card-2:#eaeaef;--s-ink:#000;--s-ink-2:#3c3c43;--s-ink-3:#8e8e93;--s-line:#d1d1d6;--s-again:#ff3b30;--s-hard:#ff9500;--s-good:#007aff;--s-easy:#34c759;--s-on-grade:#fff;--s-r-card:14px;--s-r-btn:14px;--s-card-shadow:0 1px 3px #00000017;--s-btn-weight:590;--s-press:scale(.97);font-family:-apple-system,SF Pro Text,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--s-app);color:var(--s-ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}:focus-visible{outline:2px solid var(--s-good);outline-offset:2px;border-radius:6px}.app{width:100%;max-width:460px;min-height:100dvh;padding:max(env(safe-area-inset-top), 22px) 18px max(env(safe-area-inset-bottom), 22px);flex-direction:column;gap:1.25rem;margin:0 auto;display:flex}.app>h1{letter-spacing:-.02em;margin:0;font-size:2rem;font-weight:700}.deck-error{max-width:32rem;color:var(--s-again)}.deck-list{background:var(--s-card);border-radius:var(--s-r-card);width:100%;box-shadow:var(--s-card-shadow);margin:0;padding:0;list-style:none;overflow:hidden}.deck-row{width:100%;font:inherit;color:inherit;border:0;border-top:1px solid var(--s-line);cursor:pointer;background:0 0;justify-content:space-between;align-items:center;gap:.75rem;padding:.95rem 1rem;transition:background .12s,transform .11s;display:flex}.deck-row:first-child{border-top:0}.deck-row:active{background:var(--s-card-2);transform:var(--s-press)}.deck-row--empty{opacity:.4}.deck-row__name{font-size:1.05rem;font-weight:600}.deck-row__count{font-variant-numeric:tabular-nums;text-align:right;min-width:2ch;color:var(--s-ink-2);font-size:1.05rem;font-weight:600}.session{flex-direction:column;gap:1.25rem;width:100%;display:flex}.session__topbar{justify-content:space-between;align-items:center;gap:.75rem;padding:0 .25rem;display:flex}.session__deck{letter-spacing:-.01em;margin:0;font-size:1.15rem;font-weight:600}.session__remaining{font-variant-numeric:tabular-nums;color:var(--s-ink-3);font-size:.85rem}.session__exit{appearance:none;color:var(--s-good);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:10px;padding:.35rem .5rem;font-size:.95rem;font-weight:590}.session__exit:active{background:var(--s-card-2)}.session__error{color:var(--s-again);margin:0}.session__card{background:var(--s-card);border-radius:var(--s-r-card);box-shadow:var(--s-card-shadow);flex-direction:column;gap:1.25rem;padding:1.75rem 1.5rem;display:flex}.session__cue{appearance:none;color:inherit;font:inherit;text-align:center;cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:8rem;padding:.5rem;display:flex}.session__cue-text{letter-spacing:-.03em;text-wrap:balance;font-size:clamp(1.75rem,6.5vw,2.25rem);font-weight:700;line-height:1.18}.session__tap{letter-spacing:.06em;text-transform:uppercase;color:var(--s-ink-3);font-size:.72rem}.session__answer{border-top:1px solid var(--s-line);text-align:center;margin:0;padding-top:1.25rem;font-size:1.2rem;line-height:1.5}.session__grades{grid-template-columns:repeat(4,1fr);gap:.5rem;display:grid}.grade{appearance:none;color:var(--s-on-grade);font:inherit;font-weight:var(--s-btn-weight);border-radius:var(--s-r-btn);cursor:pointer;border:0;padding:.95rem .5rem;transition:transform .11s,filter .11s}.grade:active{transform:var(--s-press);filter:brightness(1.08)}.grade--again{background:var(--s-again)}.grade--hard{background:var(--s-hard)}.grade--good{background:var(--s-good)}.grade--easy{background:var(--s-easy)}.session-complete{text-align:center;flex-direction:column;align-items:center;gap:1.5rem;padding:2rem .5rem;display:flex}.session-complete__title{letter-spacing:-.02em;margin:0;font-size:1.6rem;font-weight:700}.session-complete__review-again,.session-complete .session__exit{appearance:none;background:var(--s-card);width:100%;max-width:22rem;color:var(--s-good);font:inherit;font-weight:var(--s-btn-weight);border-radius:var(--s-r-btn);box-shadow:var(--s-card-shadow);cursor:pointer;border:0;padding:.95rem 1rem;font-size:1.05rem;transition:transform .11s,filter .11s}.session-complete__review-again:active,.session-complete .session__exit:active{transform:var(--s-press);filter:brightness(.98)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.grade:active,.deck-row:active,.session-complete__review-again:active,.session-complete .session__exit:active{transform:none!important}}