.fill-gap-practice__toolbar{flex-wrap:wrap;flex-shrink:0;justify-content:center;align-items:center;display:flex}.fill-gap-practice__main{padding-top:1.5rem}@media (min-width:768px){.fill-gap-practice__main{padding-top:2.75rem}}.fill-gap-practice__progress{justify-content:center;gap:.4rem;margin-bottom:1.75rem;display:flex}.fill-gap-practice__dot{background:color-mix(in srgb, var(--foreground) 18%, transparent);border-radius:999px;width:.4rem;height:.4rem;transition:background .18s,transform .18s}.fill-gap-practice__dot--done{background:#16a34a}.fill-gap-practice__dot--current{background:color-mix(in srgb, var(--foreground) 55%, transparent);transform:scale(1.25)}.fill-gap-practice__card{--fill-gap-card-pad-x:1.35rem;--fill-gap-stack-gap:.85rem;box-sizing:border-box;width:100%;max-width:36rem;padding:1.25rem var(--fill-gap-card-pad-x) 1.35rem;border:1px solid color-mix(in srgb, var(--border) 85%, transparent);background:color-mix(in srgb, var(--card) 72%, var(--background));text-align:left;border-radius:.75rem;flex-direction:column;align-items:flex-start;margin-inline:auto;transition:border-color .48s,box-shadow .48s;display:flex;box-shadow:0 0 #0000}.fill-gap-practice__divider{width:calc(100% + 2 * var(--fill-gap-card-pad-x));margin:1.1rem calc(-1 * var(--fill-gap-card-pad-x)) 0;border:none;border-top:1px solid color-mix(in srgb, var(--border) 85%, transparent);align-self:stretch}.dark .fill-gap-practice__card{background:color-mix(in srgb, var(--card) 55%, transparent);border-color:color-mix(in srgb, var(--border) 70%, transparent)}.fill-gap-practice__card--correct{border-color:#16a34ac7;box-shadow:0 0 0 1px #16a34a47,0 0 1.4rem #16a34a2e}.dark .fill-gap-practice__card--correct{border-color:#4ade80b8;box-shadow:0 0 0 1px #4ade804d,0 0 1.5rem #4ade8029}.fill-gap-practice__sentence{letter-spacing:-.015em;overflow-wrap:break-word;word-break:normal;-webkit-hyphens:manual;hyphens:manual;width:100%;margin:0;font-size:1.55rem;line-height:1.7}.fill-gap-practice__gap-wrap{vertical-align:baseline;max-width:100%;font:inherit;letter-spacing:-.015em;margin:0 .15em;font-size:1.55rem;display:inline-block;position:relative}.fill-gap-practice__gap-wrap:after{content:attr(data-value);white-space:pre;visibility:hidden;pointer-events:none;min-width:4rem;padding:.2rem .45rem;display:inline-block}.fill-gap-practice__gap{box-sizing:border-box;background:color-mix(in srgb, var(--foreground) 7%, transparent);width:100%;height:100%;color:var(--foreground);-webkit-text-fill-color:var(--foreground);caret-color:color-mix(in srgb, var(--foreground) 45%, transparent);font:inherit;letter-spacing:-.015em;text-align:left;box-shadow:none;opacity:1;border:none;border-radius:.35rem;outline:none;margin:0;padding:.2rem .45rem;font-size:1.55rem;line-height:1.4;position:absolute;inset:0}.fill-gap-practice__gap:focus,.fill-gap-practice__gap:focus-visible,.fill-gap-practice__gap:hover,.fill-gap-practice__gap:active{box-shadow:none;background:color-mix(in srgb, var(--foreground) 7%, transparent);color:var(--foreground);-webkit-text-fill-color:var(--foreground);opacity:1;border:none;outline:none}.fill-gap-practice__gap--locked{caret-color:#0000;cursor:default}.fill-gap-practice__gap--reveal,.fill-gap-practice__gap--reveal:focus,.fill-gap-practice__gap--reveal:focus-visible,.fill-gap-practice__gap--reveal:hover,.fill-gap-practice__gap--reveal:active{color:var(--destructive);-webkit-text-fill-color:var(--destructive);caret-color:#0000;opacity:1;transition:color 1s,-webkit-text-fill-color 1s}.fill-gap-practice__gap--reveal-fade,.fill-gap-practice__gap--reveal-fade:focus,.fill-gap-practice__gap--reveal-fade:focus-visible,.fill-gap-practice__gap--reveal-fade:hover,.fill-gap-practice__gap--reveal-fade:active{color:#0000;-webkit-text-fill-color:transparent}.fill-gap-practice__reveal{height:calc(var(--fill-gap-stack-gap) * 3);flex-shrink:0;align-self:stretch;margin:0}.fill-gap-practice__gloss{align-items:flex-start;gap:var(--fill-gap-stack-gap);flex-direction:column;max-width:32rem;margin-top:0;display:flex}.fill-gap-practice__gap-translation{color:#15803d;background:#16a34a1f;border-radius:.35rem;margin:0;padding:.25rem .55rem;font-size:1.4rem;font-weight:500;line-height:1.4}.dark .fill-gap-practice__gap-translation{color:#4ade80;background:#4ade8024}.fill-gap-practice__translation{color:color-mix(in srgb, var(--foreground) 42%, transparent);margin:0;font-size:.92rem;line-height:1.45}.fill-gap-practice__meta{justify-content:flex-start;align-items:center;gap:.65rem;margin-top:1.25rem;display:flex}.fill-gap-practice__speak{width:2rem;height:2rem;color:color-mix(in srgb, var(--foreground) 45%, transparent);cursor:pointer;background:0 0;border:none;border-radius:.35rem;justify-content:center;align-items:center;transition:color .12s,background .12s;display:inline-flex}.fill-gap-practice__speak:hover{color:#16a34a;background:#16a34a1f}.fill-gap-practice__feedback{text-align:left;align-self:stretch;margin-top:1.1rem}.fill-gap-practice__card:not(:has(.fill-gap-practice__divider)) .fill-gap-practice__feedback{margin-top:1.5rem}.fill-gap-practice__feedback-answer{justify-content:flex-start;align-items:center;gap:.45rem;margin:0;font-size:1.05rem;font-weight:500;display:inline-flex}.fill-gap-practice__feedback-wrong{color:var(--destructive);text-decoration:line-through}.fill-gap-practice__feedback-sep{color:color-mix(in srgb, var(--foreground) 35%, transparent)}.fill-gap-practice__feedback-correct{color:#15803d}.fill-gap-practice__feedback-note{text-align:left;color:color-mix(in srgb, var(--foreground) 48%, transparent);margin:0;font-size:.85rem;line-height:1.45}.fill-gap-practice__tag{background:color-mix(in srgb, var(--foreground) 8%, transparent);color:color-mix(in srgb, var(--foreground) 55%, transparent);letter-spacing:.02em;border-radius:.3rem;margin-top:.55rem;padding:.2rem .55rem;font-size:.8rem;font-weight:600;display:inline-block}.dark .fill-gap-practice__feedback-correct{color:#4ade80}
.listening-practice__toolbar{flex-wrap:wrap;flex-shrink:0;justify-content:center;align-items:center;display:flex}.listening-practice__main{padding-top:1.5rem}.listening-practice__title{margin:0}.listening-practice__next{padding-bottom:max(1.5rem, env(safe-area-inset-bottom,0px));margin-bottom:.5rem}@media (min-width:768px){.listening-practice__main{padding-top:2.75rem}.listening-practice__next{padding-bottom:0}}.listening-practice__captions{--lp-caption-row:2.4rem;width:100%;height:calc(3 * var(--lp-caption-row));background:var(--background);position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(#0000 0%,#000 22% 78%,#0000 100%);mask-image:linear-gradient(#0000 0%,#000 22% 78%,#0000 100%)}.listening-practice__captions-reel{will-change:transform;flex-direction:column;transition:transform .48s cubic-bezier(.65,0,.35,1);display:flex}.listening-practice__captions-row{box-sizing:border-box;height:var(--lp-caption-row);letter-spacing:.01em;text-align:center;color:color-mix(in srgb, var(--foreground) 40%, transparent);justify-content:center;align-items:center;padding:0 1rem;font-size:.95rem;line-height:1.3;transition:color .28s;display:flex}.listening-practice__captions-row--active{color:var(--foreground)}.listening-practice__transcript{letter-spacing:-.01em;text-align:left;width:100%;font-size:1.1rem;line-height:1.85rem}.listening-practice__sentence{cursor:pointer;-webkit-box-decoration-break:clone;box-decoration-break:clone;background-color:#0000;border-radius:.2em;margin:-.12em;padding:.12em;transition:background-color .32s}.listening-practice__sentence--active{background-color:#22c55e2e}.listening-practice__sentence:focus{outline:none}.listening-practice__sentence:focus-visible{outline-offset:2px;outline:2px solid #22c55e73}
.reading-practice__toolbar{flex-wrap:wrap;flex-shrink:0;justify-content:center;align-items:center;display:flex}.reading-practice__main{padding-top:1.5rem}.reading-practice__title{margin:0 0 1.25rem}.reading-practice__next{padding-bottom:max(1.5rem, env(safe-area-inset-bottom,0px));margin-bottom:.5rem}@media (min-width:768px){.reading-practice__main{padding-top:2.75rem}.reading-practice__next{padding-bottom:0}}.reading-practice__text{--rp-line-height:1.85rem;--rp-translation-line-height:1.35rem;--rp-translation-gap:.15rem;--rp-font-size:1.1rem;font-size:var(--rp-font-size);line-height:var(--rp-line-height);letter-spacing:-.01em;position:relative;overflow:visible}.reading-practice__text--measure{visibility:hidden;inset-inline:0;pointer-events:none;position:absolute;top:0}.reading-practice__line-block{display:block;position:relative}.reading-practice__translation-reveal{grid-template-rows:0fr;transition:grid-template-rows .22s;display:grid}.reading-practice__translation-reveal--open{grid-template-rows:1fr}.reading-practice__translation-reveal-inner{min-height:0;overflow:hidden}.reading-practice__translation{box-sizing:border-box;margin-bottom:var(--rp-translation-gap);font-size:.875rem;line-height:var(--rp-translation-line-height);color:color-mix(in srgb, var(--foreground) 45%, transparent);white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .18s,transform .18s;display:block;overflow:hidden;transform:translateY(.2em)}.reading-practice__translation-reveal--open .reading-practice__translation{opacity:1;transform:translateY(0)}.reading-practice__translation--wrap{white-space:normal;overflow-wrap:break-word;overflow:hidden}.reading-practice__line{min-height:var(--rp-line-height);line-height:var(--rp-line-height);white-space:nowrap;display:block}.reading-practice__sentence{cursor:pointer;-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background-color .12s}.reading-practice__sentence--hl{background-color:#22c55e1a;border-radius:.2em;margin:-.12em;padding:.12em}.reading-practice__sentence--selected{background-color:#22c55e2e}.reading-practice__sentence:focus{outline:none}.reading-practice__sentence:focus-visible{outline-offset:2px;outline:2px solid #22c55e73}.reading-practice__word{display:inline}
.practice-config{--pc-bg:transparent;--pc-group:#f2f2f2;--pc-text:#717171;--pc-text-hover:#3a3a3a;--pc-active:#16a34a;--pc-active-bg:#16a34a29;--pc-font:var(--font-geist-mono), ui-monospace, monospace;background:var(--pc-bg);font-family:var(--pc-font);flex-shrink:0;justify-content:center;padding:1rem 1.25rem 1.75rem;display:flex}@supports (color:lab(0% 0 0)){.practice-config{--pc-group:lab(95.36% 0 0);--pc-text:lab(47.8% 0 .0000119209);--pc-text-hover:lab(24.6% 0 0)}}.dark .practice-config{--pc-group:#2c2e31;--pc-text:#646669;--pc-text-hover:#d1d0c5;--pc-active:#22c55e;--pc-active-bg:#22c55e38}.practice-config__shell{flex-direction:column;align-items:stretch;gap:.45rem;width:100%;max-width:56rem;display:flex}.practice-config__summary{display:none}.practice-config__stack{flex-direction:column;align-items:stretch;gap:.45rem;width:100%;display:flex}.practice-config__bar{flex-wrap:wrap;justify-content:center;align-items:stretch;gap:.5rem;width:100%;display:flex}.practice-config__tags-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.25rem .35rem;width:100%;padding:.2rem .15rem 0;display:flex}.practice-config__btn--tag{color:var(--pc-active);background:var(--pc-active-bg)}.practice-config__btn--tag-more{padding:0 .35rem}.practice-config__chevron{transition:transform .16s}.practice-config__chevron--open{transform:rotate(180deg)}.practice-config__group{background:var(--pc-group);border-radius:.5rem;flex-wrap:wrap;align-items:center;gap:.15rem .1rem;padding:.45rem .55rem;display:flex}.practice-config__btn{height:1.75rem;color:var(--pc-text);font:inherit;letter-spacing:.01em;white-space:nowrap;cursor:pointer;background:0 0;border:none;border-radius:.3rem;align-items:center;gap:.35rem;padding:0 .55rem;font-size:.75rem;line-height:1;transition:color .12s,background .12s;display:inline-flex}.practice-config__btn:hover{color:var(--pc-text-hover)}.practice-config__btn[aria-pressed=true],.practice-config__btn[aria-checked=true]{color:var(--pc-active);background:var(--pc-active-bg)}.practice-config__btn svg{flex-shrink:0;width:.85rem;height:.85rem}.practice-config__btn--level{text-transform:lowercase;justify-content:center;min-width:2rem;padding:0 .4rem}.practice-config__skeleton-summary{pointer-events:none;opacity:.35;min-width:8rem}.practice-config__skeleton-group{pointer-events:none;opacity:.45;min-height:2.65rem}.practice-config__skeleton-group--levels{flex:0 auto;min-width:11rem}.practice-config__skeleton-group--types{flex:auto;min-width:18rem}.practice-config__skeleton-group--tags{flex:none;min-width:5.5rem}.practice-config__btn--open{color:var(--pc-active);background:var(--pc-active-bg)}.practice-config__btn:disabled{opacity:.45;cursor:not-allowed}.practice-config__tag-popover{border:1px solid color-mix(in srgb, var(--border) 85%, transparent);background:var(--background);width:min(16rem,100vw - 2rem);font-family:var(--pc-font);border-radius:.55rem;padding:.4rem;box-shadow:0 .4rem 1.2rem #0000001f}.dark .practice-config__tag-popover{box-shadow:0 .4rem 1.2rem #0006}.practice-config__tag-search-input{margin-bottom:.35rem}.practice-config__tag-list{scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--foreground) 28%, transparent) transparent;max-height:14rem;margin:0;padding:0;list-style:none;overflow-y:auto}.practice-config__tag-list::-webkit-scrollbar{width:.4rem}.practice-config__tag-list::-webkit-scrollbar-track{background:0 0}.practice-config__tag-list::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--foreground) 28%, transparent);border-radius:999px}.practice-config__tag-list::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb, var(--foreground) 42%, transparent)}.practice-config__tag-option{width:100%;color:var(--foreground);font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:.35rem;align-items:center;padding:.4rem .5rem;font-size:.75rem;transition:background .12s,color .12s;display:flex}.practice-config__tag-option:hover{color:var(--pc-active);background:#16a34a1f}.practice-config__tag-empty{color:color-mix(in srgb, var(--foreground) 45%, transparent);text-align:center;padding:.65rem .5rem;font-size:.75rem}@media (min-width:768px){.practice-config{padding-left:2.5rem;padding-right:2.5rem}}@media (max-width:767px),(orientation:landscape) and (max-height:540px){.practice-config{padding:.5rem .75rem .35rem}.practice-config--open{padding-bottom:.75rem}.practice-config__summary{background:var(--pc-group);height:2rem;color:var(--pc-text-hover);font:inherit;letter-spacing:.01em;white-space:nowrap;cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-self:center;align-items:center;gap:.4rem;padding:0 .75rem;font-size:.75rem;line-height:1;display:inline-flex}.practice-config__summary svg{width:.85rem;height:.85rem;color:var(--pc-text);flex-shrink:0}.practice-config__summary-level{color:var(--pc-active);text-transform:lowercase}.practice-config__summary-sep{color:var(--pc-text);opacity:.7}.practice-config__summary-chevron{color:var(--pc-text);margin-left:.15rem}.practice-config:not(.practice-config--open) .practice-config__stack{display:none}.practice-config--open .practice-config__stack{display:flex}.practice-config__bar{flex-direction:column;align-items:stretch}.practice-config__group{justify-content:center}}