:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f2f2f7;--surface:#fff;--surface-2:#f7f7fa;--elevated:#fff;--sheet-bg:var(--bg);--fill:#7676801f;--fill-2:#76768014;--separator:#3c3c4329;--border:#3c3c4324;--text:#1c1c1e;--text-2:#636368;--text-3:#8e8e93;--placeholder:#76767b;--accent:#1a66e8;--accent-pressed:#1459d4;--accent-tint:#1a66e81f;--accent-tint-pressed:#1a66e833;--accent-text:#1554c6;--on-accent:#fff;--danger:#b52a2a;--danger-tint:#b52a2a1a;--success:#1a6b3c;--success-tint:#1a6b3c1a;--warning:#b86e00;--warning-text:#8a5300;--c-new:#2f62c8;--c-learn:#b3343a;--c-due-count:#25703f;--chart-reviews:#1a66e8;--chart-due:#2f8253;--rate-again-tint:#f8e6e7;--rate-again-fg:#b8323a;--rate-hard-tint:#f4ebe3;--rate-hard-fg:#8f5019;--rate-good:#2f8253;--rate-easy-tint:#e7ecf7;--rate-easy-fg:#3a5cab;--fs-caption2:11px;--fs-caption:12px;--fs-footnote:13px;--fs-small:14px;--fs-subhead:15px;--fs-body:16px;--fs-headline:17px;--fs-title3:20px;--fs-title2:22px;--fs-title1:28px;--fs-large:34px;--fs-display:48px;--radius-sm:8px;--radius-control:10px;--radius:12px;--radius-button-lg:14px;--radius-lg:16px;--radius-xl:22px;--disabled-opacity:.4;--segmented-selected:var(--surface);--switch-off:#e5e5ea;--shadow-sm:0 1px 2px #0000000a, 0 1px 3px #0000000d;--shadow-md:0 4px 12px #00000014, 0 12px 32px #00000014;--shadow-lg:0 10px 40px #0000002e;--font:-apple-system, BlinkMacSystemFont, "PingFang TC", "Hiragino Sans", "Noto Sans TC", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--font-ja:"Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;--tabbar-h:56px;--header-h:48px;--page-x:16px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px)}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#000;--surface:#1c1c1e;--surface-2:#2c2c2e;--elevated:#2c2c2e;--sheet-bg:#1c1c1e;--fill:#7676803d;--fill-2:#76768029;--separator:#5454588c;--border:#54545880;--text:#f2f2f7;--text-2:#a1a1a6;--text-3:#7c7c80;--placeholder:#8e8e93;--segmented-selected:#636366;--switch-off:var(--fill);--accent:#64a0ff;--accent-pressed:#77adff;--accent-tint:#64a0ff33;--accent-tint-pressed:#64a0ff4d;--accent-text:#9cc3ff;--on-accent:#0a1020;--danger:#ff6b6b;--danger-tint:#ff6b6b24;--success:#4bb37c;--success-tint:#4bb37c26;--warning:#e6a23c;--warning-text:#e6a23c;--c-new:#7ea6ff;--c-learn:#ff7a7f;--c-due-count:#4bb37c;--chart-reviews:#64a0ff;--chart-due:#4bb37c;--rate-again-tint:#492f31;--rate-again-fg:#ff8a8f;--rate-hard-tint:#43362c;--rate-hard-fg:#e8ac72;--rate-good:#2a7a4c;--rate-easy-tint:#30384b;--rate-easy-fg:#8fb2ff;--shadow-sm:none;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 10px 40px #0009}*{box-sizing:border-box;margin:0}a,button,.btn,.row,input,select,textarea,label,summary,.flashcard{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.tabbar a,a.btn,a.row,.deck-link,.nav-bar a{-webkit-touch-callout:none}html{-webkit-text-size-adjust:100%;scrollbar-color:color-mix(in srgb, var(--text) 28%, transparent) transparent}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:var(--fs-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;line-height:1.5}[lang=ja]{font-family:var(--font-ja)}h1,h2,h3{letter-spacing:-.01em;font-weight:700;line-height:1.25}b,strong{font-weight:600}.num,.tabular{font-variant-numeric:tabular-nums}.nowrap{white-space:nowrap}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent-tint-pressed)}input,textarea{caret-color:var(--accent)}html,body,#root{height:100%}html,body{overscroll-behavior:none;overflow:hidden}.app{flex-direction:column;height:100%;display:flex}.scroller{scrollbar-gutter:stable;flex:1;min-height:0;position:relative;overflow:hidden auto}@media (width>=768px){.scroller{scrollbar-gutter:stable both-edges}}.scroller:focus,.scroller:focus-visible{outline:none}.page{max-width:720px;padding:0 calc(var(--page-x) + var(--safe-right)) calc(40px + var(--kb-inset,0px)) calc(var(--page-x) + var(--safe-left));margin:0 auto}.app.no-tabbar .page{padding-bottom:calc(var(--safe-bottom) + 32px + var(--kb-inset,0px))}.nav-bar{z-index:20;margin:0 calc(-1 * (var(--page-x) + var(--safe-right))) 0 calc(-1 * (var(--page-x) + var(--safe-left)));min-height:calc(var(--header-h) + var(--safe-top));padding:var(--safe-top) calc(6px + var(--safe-right)) 0 calc(6px + var(--safe-left));justify-content:space-between;align-items:center;gap:8px;transition:box-shadow .15s;display:flex}@media (width<=767px){.nav-bar{background:color-mix(in srgb, var(--bg) 84%, transparent);-webkit-backdrop-filter:saturate(180%)blur(16px);backdrop-filter:saturate(180%)blur(16px);margin:0;position:fixed;top:0;left:0;right:0}.page:has(>.nav-bar){padding-top:calc(var(--header-h) + var(--safe-top))}}.nav-bar-side{align-items:center;gap:2px;min-width:44px;display:flex}.nav-bar-side.end{justify-content:flex-end}.nav-bar-title{text-align:center;min-width:0;font-size:var(--fs-body);text-overflow:ellipsis;white-space:nowrap;opacity:0;flex:1;font-weight:600;transition:opacity .15s;overflow:hidden}.nav-bar.scrolled .nav-bar-title{opacity:1}.nav-bar.scrolled{box-shadow:0 .5px 0 var(--separator)}.large-title{font-size:var(--fs-title1);letter-spacing:-.02em;overflow-wrap:anywhere;padding-top:2px;font-weight:700;line-height:1.2}.page-subtitle{color:var(--text-2);font-size:var(--fs-small);margin-top:4px}.back-btn{min-height:44px;color:var(--accent);font-size:var(--fs-body);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;align-items:center;gap:0;padding:0 10px 0 2px;font-family:inherit;font-weight:500;text-decoration:none;display:inline-flex}.back-btn:active{opacity:.55}@media (hover:hover){.back-btn:hover{background:var(--fill-2)}}.hint{color:var(--text-2);font-size:var(--fs-footnote);text-wrap:pretty;line-height:1.5}.err{color:var(--danger);font-size:var(--fs-small)}.muted{color:var(--text-2)}@media (width>=768px){.page{padding-bottom:calc(48px + var(--kb-inset,0px))}.nav-bar{min-height:var(--header-h);padding-top:8px}.nav-bar.scrolled{box-shadow:none}.nav-bar-title{display:none}.large-title{font-size:var(--fs-large)}}.theme-switching,.theme-switching *,.theme-switching :before,.theme-switching :after{transition:none!important}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.spinner{border-top-color:var(--fill);border-right-color:var(--accent);animation:none!important}.route-progress.active:after{opacity:.5;width:100%;animation:none!important}}@media print{html,body,#root,.app{height:auto;overflow:visible}.app{display:block}.scroller{overflow:visible}.tabbar,.batch-bar,.review-actions,.update-banner,.toast{display:none!important}.nav-bar{position:static!important}.page:has(>.nav-bar){padding-top:0}}.btn{border-radius:var(--radius);background:var(--accent);min-height:44px;color:var(--on-accent);font-family:inherit;font-size:var(--fs-body);text-align:center;white-space:nowrap;cursor:pointer;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .15s,opacity .15s,transform 80ms;display:inline-flex}.btn:active{transform:scale(.98)}.btn.lg{white-space:normal;text-wrap:balance}@media (hover:hover){.btn:not(:disabled,[aria-disabled=true]):hover{background:var(--accent-pressed)}}.btn.secondary{background:var(--fill);color:var(--text)}@media (hover:hover){.btn.secondary:not(:disabled,[aria-disabled=true]):hover{background:color-mix(in srgb, var(--fill) 100%, var(--text) 6%)}}.btn.tinted{background:var(--accent-tint);color:var(--accent-text)}@media (hover:hover){.btn.tinted:not(:disabled,[aria-disabled=true]):hover{background:var(--accent-tint-pressed)}}.btn.plain,.link{color:var(--accent);background:0 0;padding:0 8px;font-weight:500}@media (hover:hover){.btn.plain:not(:disabled,[aria-disabled=true]):hover,.link:not(:disabled,[aria-disabled=true]):hover{background:var(--accent-tint)}}.btn.danger{background:var(--danger-tint);color:var(--danger)}@media (hover:hover){.btn.danger:not(:disabled,[aria-disabled=true]):hover{background:color-mix(in srgb, var(--danger-tint) 100%, var(--danger) 8%)}}.btn.lg{min-height:52px;font-size:var(--fs-headline);border-radius:var(--radius-button-lg);width:100%}.btn.sm{min-height:34px;font-size:var(--fs-small);border-radius:999px;padding:0 14px}.btn.block{width:100%}.btn:disabled,.btn[aria-disabled=true]{opacity:var(--disabled-opacity);cursor:default;transform:none}.btn[aria-busy=true]:is(:disabled,[aria-disabled=true]){opacity:1;cursor:progress}.btn .spinner{border-color:color-mix(in srgb, currentColor 30%, transparent);border-top-color:currentColor;flex-shrink:0}@media (prefers-reduced-motion:reduce){.btn .spinner{border-top-color:color-mix(in srgb, currentColor 30%, transparent);border-right-color:currentColor}}.link{border-radius:var(--radius-sm);min-height:32px;font-family:inherit;font-size:inherit;cursor:pointer;border:none;align-items:center;gap:6px;text-decoration:none;display:inline-flex}.link:disabled{opacity:var(--disabled-opacity);cursor:default}.inline-link{color:var(--accent);white-space:nowrap;text-underline-offset:.22em;text-decoration-line:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:color-mix(in srgb, currentColor 40%, transparent);text-decoration-color:color-mix(in srgb, currentColor 40%, transparent);font-weight:500;transition:text-decoration-color .15s,opacity .15s}@media (hover:hover){.inline-link:hover{text-decoration-color:currentColor}}.inline-link:active{opacity:.6}.btn-row{flex-wrap:wrap;gap:10px;display:flex}.btn-row>.btn{flex:1}.btn-stack{flex-direction:column;gap:10px;display:flex}.icon-btn{width:44px;height:44px;color:var(--accent);cursor:pointer;background:0 0;border:none;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;font-family:inherit;transition:background-color .15s,opacity .15s;display:inline-flex}.icon-btn:active{background:var(--fill)}@media (hover:hover){.icon-btn:hover{background:var(--fill-2)}}.icon-btn:disabled{opacity:var(--disabled-opacity);cursor:default;background:0 0}.icon-btn.filled{background:var(--fill);color:var(--text);width:36px;height:36px}.list-section{margin-top:24px}.list-section:first-child{margin-top:8px}.list-header{font-size:var(--fs-footnote);color:var(--text-2);letter-spacing:.01em;padding:0 16px 7px;font-weight:500}.list-footer{font-size:var(--fs-footnote);color:var(--text-2);text-wrap:pretty;padding:7px 16px 0;line-height:1.5}.list-footer+.list-footer{padding-top:4px}.list{background:var(--surface);border-radius:var(--radius);padding:0;list-style:none;overflow:hidden}.row{width:100%;min-height:48px;color:inherit;text-align:left;font-family:inherit;font-size:var(--fs-body);background:0 0;border:none;align-items:center;gap:12px;padding:11px 16px;line-height:1.35;text-decoration:none;display:flex;position:relative}.list>.row+.row:before,.list>li+li>.row:before,.list>li+li.row:before{content:"";border-top:.5px solid var(--separator);position:absolute;top:0;left:16px;right:0}.list.with-icons>.row+.row:before,.list.with-icons>li+li>.row:before{left:56px}button.row,a.row,label.row{cursor:pointer}button.row:active,a.row:active,label.row:active{background:var(--fill-2)}@media (hover:hover){button.row:hover,a.row:hover,label.row:hover{background:var(--fill-2)}}button.row:disabled,button.row[aria-disabled=true]{opacity:var(--disabled-opacity);cursor:default;background:0 0}.list .row:focus-visible{outline-offset:-2px;border-radius:var(--radius)}.row-icon{background:var(--accent-tint);width:28px;height:28px;color:var(--accent);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.row-main{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.row-title{font-size:var(--fs-body);overflow-wrap:anywhere}.row-subtitle{font-size:var(--fs-footnote);color:var(--text-2);overflow-wrap:anywhere}.row-value{color:var(--text-2);font-size:var(--fs-subhead);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0}.row-chevron{color:var(--text-3);flex-shrink:0;display:inline-flex}.row.accent{color:var(--accent)}.row.destructive{color:var(--danger)}.row.center{text-align:center;justify-content:center}.row .row-main.center{align-items:center}.row input:not([type=checkbox]):not([type=radio]):not([type=file]),.row select{background-color:#0000;border-radius:0;min-height:26px;padding:0}.row input:focus,.row select:focus{box-shadow:none;outline:none}.row:has(input:not(.switch):focus-visible,select:focus-visible){outline:2px solid var(--accent);outline-offset:-2px;border-radius:var(--radius)}.page,.sheet-body{--field-bg:var(--surface)}.card,.list,.notice{--field-bg:var(--fill)}input,select,textarea{font-family:inherit;font-size:var(--fs-body);color:var(--text);background-color:var(--field-bg,var(--fill));border-radius:var(--radius-control);border:none;width:100%;min-height:44px;padding:11px 12px;transition:box-shadow .15s,background-color .15s}textarea{resize:vertical;min-height:96px;line-height:1.5}input::placeholder,textarea::placeholder{color:var(--placeholder)}input:focus,select:focus,textarea:focus{box-shadow:0 0 0 2px var(--accent);outline:none}input[aria-invalid=true],input[aria-invalid=true]:focus{box-shadow:0 0 0 2px var(--danger)}select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:34px}input[type=checkbox],input[type=radio]{width:auto;min-height:0;accent-color:var(--accent);padding:0}input[type=number]{font-variant-numeric:tabular-nums}.field{flex-direction:column;gap:6px;display:flex}.field-label{font-size:var(--fs-footnote);color:var(--text-2);font-weight:500}.field-hint{font-size:var(--fs-caption);color:var(--text-2)}.field-row{align-items:flex-end;gap:8px;display:flex}.field-row>.field,.field-row>input{flex:1;min-width:0}.form{flex-direction:column;gap:16px;display:flex}.file-pick{display:inline-flex;position:relative}.file-pick input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;min-height:0;padding:0;position:absolute;inset:0}.file-pick input[type=file]:focus-visible+.btn{outline:2px solid var(--accent);outline-offset:2px}.file-name{font-size:var(--fs-small);color:var(--text-2);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.search-field{align-items:center;display:flex;position:relative}.search-field>svg{color:var(--text-3);pointer-events:none;position:absolute;left:10px}.search-field input{min-height:40px;padding-left:36px;padding-right:40px}.search-clear{width:40px;height:40px;color:var(--text-3);cursor:pointer;background:0 0;border:none;border-radius:999px;justify-content:center;align-items:center;display:inline-flex;position:absolute;right:2px}.search-clear:active{color:var(--text)}@media (hover:hover){.search-clear:hover{color:var(--text-2)}}.segmented{background:var(--fill);border-radius:var(--radius-control);gap:2px;padding:2px;display:flex}.segmented button{border-radius:var(--radius-sm);min-width:0;min-height:34px;color:var(--text);font-family:inherit;font-size:var(--fs-small);cursor:pointer;white-space:nowrap;background:0 0;border:none;flex:1;padding:0 8px;font-weight:500;transition:background-color .15s,box-shadow .15s}.segmented button>span{text-overflow:ellipsis;display:block;overflow:hidden}.segmented button[aria-checked=true]{background:var(--segmented-selected);font-weight:600;box-shadow:0 1px 3px #0000001f,0 0 0 .5px #0000000a}:root[data-theme=dark] .segmented button[aria-checked=true]{box-shadow:none}@media (hover:hover){.segmented button[aria-checked=false]:not(:disabled):hover{background:var(--fill-2)}}.segmented button[aria-checked=false]:not(:disabled):active{opacity:.6}.segmented button:disabled{cursor:default}.segmented button:disabled:not([aria-checked=true]){opacity:var(--disabled-opacity)}@media (width<=340px){.segmented button{font-size:var(--fs-footnote);padding:0 4px}}input[type=checkbox].switch{appearance:none;background:var(--switch-off);cursor:pointer;border-radius:999px;flex-shrink:0;width:51px;height:31px;min-height:0;padding:0;transition:background-color .2s;position:relative}input.switch:before{content:"";background:#fff;border-radius:50%;width:27px;height:27px;transition:transform .2s cubic-bezier(.3,.7,.4,1);position:absolute;top:2px;left:2px;box-shadow:0 2px 6px #0003,0 0 1px #0000001a}input.switch:checked{background:var(--accent)}input.switch:checked:before{transform:translate(20px)}input.switch:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:none}input.switch:disabled{opacity:var(--disabled-opacity);cursor:default}.stepper{background:var(--fill);border-radius:var(--radius-control);align-items:center;gap:4px;padding:2px;display:inline-flex}.stepper button{border-radius:var(--radius-sm);width:40px;height:34px;color:var(--text);font-size:var(--fs-title3);cursor:pointer;background:0 0;border:none;font-family:inherit;line-height:1}.stepper button:active{background:var(--fill)}@media (hover:hover){.stepper button:not(:disabled,[aria-disabled=true]):hover{background:var(--fill-2)}}.stepper button:disabled,.stepper button[aria-disabled=true]{opacity:var(--disabled-opacity);cursor:default;background:0 0}.stepper output{text-align:center;font-variant-numeric:tabular-nums;min-width:48px;font-weight:600}.badge{font-size:var(--fs-caption);white-space:nowrap;background:var(--fill);color:var(--text-2);border-radius:999px;flex-shrink:0;align-items:center;padding:1px 8px;font-weight:600;line-height:1.6;display:inline-flex}.badge.new{background:color-mix(in srgb, var(--c-new) 14%, transparent);color:var(--c-new)}.badge.learn{background:color-mix(in srgb, var(--c-learn) 14%, transparent);color:var(--c-learn)}.badge.due{background:color-mix(in srgb, var(--c-due-count) 14%, transparent);color:var(--c-due-count)}.badge.known,.badge.paused{background:var(--fill);color:var(--text-2)}.counts-inline{font-size:var(--fs-small);color:var(--text-2);flex-wrap:wrap;gap:4px 14px;display:flex}.count{white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.count b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600}.count.zero,.count.zero b{color:var(--text-2);font-weight:400}.count.zero .dot{opacity:.35}.count .dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.dot.new{background:var(--c-new)}.dot.learn{background:var(--c-learn)}.dot.due{background:var(--c-due-count)}.notice{border-radius:var(--radius);background:var(--accent-tint);color:var(--text);font-size:var(--fs-subhead);flex-wrap:wrap;align-items:flex-start;gap:10px;padding:12px 14px;line-height:1.5;display:flex}.notice>.notice-text{text-wrap:pretty;flex:1;min-width:12em}.notice .notice-actions{margin-left:auto;align-items:center;gap:4px;margin-block:calc(.75em - 16px);display:flex}.notice .link{min-height:32px;color:var(--accent-text);font-weight:600}@media (hover:hover){:root:not([data-theme=dark]) .notice .link:hover{background:color-mix(in srgb, var(--surface) 55%, transparent)}}.notice.error{background:var(--danger-tint)}.notice.error .link{color:var(--danger)}.notice+.notice{margin-top:10px}.card{background:var(--surface);border-radius:var(--radius-lg);padding:16px}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:40px 20px;display:flex}.empty-state .empty-icon{background:var(--accent-tint);width:64px;height:64px;color:var(--accent);border-radius:20px;justify-content:center;align-items:center;margin-bottom:4px;display:inline-flex}.empty-state h2{font-size:var(--fs-title3);text-wrap:balance;font-weight:700}.empty-state p{color:var(--text-2);font-size:var(--fs-subhead);text-wrap:balance;max-width:26em}.empty-state .btn-stack{width:100%;max-width:320px;margin-top:10px}.loading{color:var(--text-2);font-size:var(--fs-small);justify-content:center;align-items:center;gap:10px;padding:48px 0;display:flex}.spinner{border:2px solid var(--fill);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.tabbar{z-index:30;padding:0 var(--safe-right) 0 var(--safe-left);background:color-mix(in srgb, var(--surface) 86%, var(--bg));box-shadow:0 -.5px 0 var(--separator);touch-action:none;touch-action:pinch-zoom;flex:none;order:1;justify-content:space-around;display:flex;position:relative}.tabbar a{height:calc(var(--tabbar-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);color:var(--text-2);font-size:var(--fs-caption2);letter-spacing:.02em;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-weight:600;text-decoration:none;display:flex;position:relative}.tabbar a.active{color:var(--accent)}.tabbar a:active{opacity:.6}.tabbar a:focus-visible{outline-offset:-2px}.tabbar .tab-dot{background:var(--danger);width:8px;height:8px;box-shadow:0 0 0 2px var(--surface);border-radius:50%;position:absolute;top:8px;left:calc(50% + 10px)}.route-progress{pointer-events:none;height:2px;position:absolute;top:0;left:0;right:0;overflow:hidden}.route-progress.active:after{content:"";background:var(--accent);border-radius:2px;width:40%;height:100%;animation:.9s ease-in-out -.3s infinite route-slide;display:block}@keyframes route-slide{0%{transform:translate(-100%)}to{transform:translate(350%)}}@media (width>=768px){.tabbar{padding:8px max(calc(24px + var(--safe-right)), calc((100% - 720px) / 2 + var(--page-x) + var(--safe-right) - 14px)) 8px max(calc(24px + var(--safe-left)), calc((100% - 720px) / 2 + var(--page-x) + var(--safe-left) - 14px));box-shadow:0 .5px 0 var(--separator);order:0;justify-content:flex-start;gap:4px}.tabbar a{border-radius:var(--radius-control);height:40px;font-size:var(--fs-subhead);letter-spacing:0;color:var(--text-2);flex-direction:row;flex:none;gap:8px;padding:0 14px}.tabbar a svg{width:18px;height:18px}.tabbar a:before{content:"";position:absolute;inset:-8px -2px}.tabbar a.active{background:var(--accent-tint);color:var(--accent-text)}@media (hover:hover){.tabbar a:hover:not(.active){background:var(--fill-2);color:var(--text)}}.tabbar .tab-dot{top:8px;left:auto;right:6px}.route-progress{top:auto;bottom:0}}dialog{color:var(--text)}.sheet{inset:auto 0 calc(100% - var(--vv-top,0px) - var(--vvh,100%)) 0;width:100%;max-width:560px;height:auto;max-height:calc(var(--vvh,100dvh) - var(--safe-top) - 12px);border-radius:var(--radius-xl) var(--radius-xl) 0 0;background:var(--sheet-bg);box-shadow:var(--shadow-lg);border:none;flex-direction:column;margin:0 auto;padding:0;display:flex;position:fixed;overflow:hidden}:root[data-theme=dark] .sheet{--surface:var(--elevated)}.sheet:not([open]){display:none}.sheet.full{inset:calc(var(--vv-top,0px) + var(--safe-top) + 10px) 0 auto 0;height:calc(var(--vvh,100dvh) - var(--safe-top) - 10px);max-height:none}.sheet::backdrop{background:#00000061}.sheet[open]{animation:.3s cubic-bezier(.2,.8,.2,1) sheet-up}.sheet[open]::backdrop{animation:.25s fade-in}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:none}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.sheet[data-closing]{animation:.2s cubic-bezier(.4,0,1,1) forwards sheet-down;display:flex}.action-sheet[data-closing],.alert[data-closing]{display:block}.sheet[data-closing]::backdrop,.action-sheet[data-closing]::backdrop,.alert[data-closing]::backdrop{animation:.2s forwards fade-out}dialog[data-closing],dialog[data-closing]::backdrop{pointer-events:none}@keyframes sheet-down{0%{transform:none}to{transform:translateY(100%)}}@keyframes fade-out{0%{opacity:1}to{opacity:0}}@keyframes pop-out{0%{opacity:1;transform:none}to{opacity:0;transform:scale(.96)}}.sheet-header{border-bottom:.5px solid var(--separator);flex-shrink:0;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;min-height:56px;padding:0 8px;display:grid}.sheet-header .sheet-title{font-size:var(--fs-headline);text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:60vw;font-weight:600;overflow:hidden}.sheet-header .start{justify-self:start}.sheet-header .end{justify-self:end}.sheet-header .btn.plain{font-size:var(--fs-body)}.sheet-header .btn.plain.strong{font-weight:600}.sheet-body{overscroll-behavior:contain;padding:16px 16px calc(24px + var(--safe-bottom));flex:1;overflow-y:auto}@media (width>=768px) and (height>=600px){.sheet,.sheet.full{inset:var(--vv-top,0px) 0 calc(100% - var(--vv-top,0px) - var(--vvh,100%)) 0;height:auto;max-height:min(86vh, 760px, calc(var(--vvh,100dvh) - 24px));border-radius:var(--radius-xl);margin:auto}.sheet:not(.full){height:fit-content}.sheet[open]{animation:.22s cubic-bezier(.2,.8,.2,1) pop-in}.sheet[data-closing]{animation:.2s cubic-bezier(.4,0,1,1) forwards pop-out}}@keyframes pop-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}.action-sheet{width:100%;max-width:480px;padding:0 8px calc(8px + var(--safe-bottom));box-shadow:none;background:0 0;border:none;max-height:100dvh;margin:0 auto;position:fixed;inset:auto 0 0;overflow:visible}.action-sheet::backdrop{background:#00000061}.action-sheet[open]{animation:.28s cubic-bezier(.2,.8,.2,1) sheet-up}.action-sheet[data-closing]{animation:.2s cubic-bezier(.4,0,1,1) forwards sheet-down}.action-group{background:var(--elevated);border-radius:var(--radius-button-lg);max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 100px);overflow:hidden auto}.action-group+.action-group{margin-top:8px}.action-head{text-align:center;border-bottom:.5px solid var(--separator);padding:14px 16px 12px}.action-head .action-title{font-size:var(--fs-footnote);color:var(--text-2);text-wrap:balance;font-weight:600}.action-head .action-message{font-size:var(--fs-footnote);color:var(--text-2);text-wrap:balance;margin-top:2px}.action{width:100%;min-height:56px;color:var(--accent);font-family:inherit;font-size:var(--fs-headline);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;gap:10px;padding:0 18px;text-decoration:none;display:flex;position:relative}.action+.action:before{content:"";border-top:.5px solid var(--separator);position:absolute;top:0;left:0;right:0}.action:active{background:var(--fill-2)}@media (hover:hover){.action:not(:disabled):hover{background:var(--fill-2)}}.action:focus-visible{outline-offset:-2px;border-radius:var(--radius-button-lg)}.action.destructive{color:var(--danger)}.action.cancel{font-weight:600}.action:disabled{opacity:var(--disabled-opacity);cursor:default}.action svg{flex-shrink:0}.action .kbd-hint{color:var(--text-2);position:absolute;right:18px}@media (width>=768px){.action-sheet{max-width:360px;height:fit-content;margin:auto;padding:0;inset:0}.action-sheet[open]{animation:.2s cubic-bezier(.2,.8,.2,1) pop-in}.action-sheet[data-closing]{animation:.2s cubic-bezier(.4,0,1,1) forwards pop-out}.action{min-height:48px;font-size:var(--fs-body)}}.alert{border-radius:var(--radius-lg);background:var(--elevated);width:min(300px,100vw - 48px);height:fit-content;box-shadow:var(--shadow-lg);text-align:center;border:none;margin:auto;padding:0;position:fixed;inset:0;overflow:hidden}.alert::backdrop{background:#00000061}.alert[open]{animation:.2s cubic-bezier(.2,.8,.2,1) pop-in}.alert[data-closing]{animation:.15s cubic-bezier(.4,0,1,1) forwards pop-out}.alert[data-closing]::backdrop{animation-duration:.15s}.alert-body{flex-direction:column;gap:6px;padding:20px 18px 18px;display:flex}.alert-title{font-size:var(--fs-headline);text-wrap:balance;font-weight:600;line-height:1.35}.alert-message{font-size:var(--fs-small);color:var(--text-2);white-space:pre-line;text-wrap:balance;line-height:1.5}.alert-actions{border-top:.5px solid var(--separator);display:flex}.alert-actions button{min-height:48px;font-family:inherit;font-size:var(--fs-headline);color:var(--accent);cursor:pointer;background:0 0;border:none;flex:1}.alert-actions button+button{border-left:.5px solid var(--separator)}.alert-actions button.primary{font-weight:600}.alert-actions button.destructive{color:var(--danger);font-weight:600}.alert-actions button:active{background:var(--fill-2)}@media (hover:hover){.alert-actions button:hover{background:var(--fill-2)}}.alert-actions button:focus-visible{outline-offset:-2px;border-radius:var(--radius-lg)}.toast{z-index:40;left:50%;bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 12px);background:var(--elevated);width:max-content;max-width:calc(100vw - 24px);min-height:44px;color:var(--text);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);font-size:var(--fs-subhead);align-items:center;gap:6px;padding:8px 8px 8px 16px;font-weight:500;line-height:1.35;animation:.25s cubic-bezier(.2,.8,.2,1) toast-in;display:flex;position:fixed;transform:translate(-50%)}.toast>span{overflow-wrap:anywhere;padding:4px 0}.toast.no-action{padding-right:16px}.toast .link{flex-shrink:0;min-height:32px;font-weight:600}.app.no-tabbar .toast{bottom:calc(var(--safe-bottom) + 16px)}@media (width>=768px){.toast{bottom:24px}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}.update-banner{z-index:50;left:50%;top:calc(var(--safe-top) + var(--header-h) + 8px);background:var(--elevated);width:min(100% - 24px,420px);color:var(--text);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);font-size:var(--fs-subhead);justify-content:space-between;align-items:center;gap:12px;padding:10px 10px 10px 16px;font-weight:500;animation:.3s cubic-bezier(.2,.8,.2,1) banner-in;display:flex;position:fixed;transform:translate(-50%)}@media (width>=768px){.update-banner{top:calc(var(--safe-top) + 64px)}}@keyframes banner-in{0%{opacity:0;transform:translate(-50%,-12px)}to{opacity:1;transform:translate(-50%)}}.update-banner-actions{align-items:center;gap:4px;display:flex}.update-banner .btn{min-height:36px;font-size:var(--fs-subhead);padding:0 14px}.crash{padding-top:calc(40px + var(--safe-top));flex-direction:column;gap:12px;display:flex}.crash h1{font-size:var(--fs-title1)}.crash h1:focus{outline:none}.crash-detail{background:var(--surface);border-radius:var(--radius);font-size:var(--fs-footnote);color:var(--text-2);white-space:pre-wrap;overflow-wrap:anywhere;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.crash-detail-label{margin-top:12px}.crash-detail-label+.crash-detail{margin-top:-6px}@media (width>=768px){.crash h1{font-size:var(--fs-large)}.crash .btn-stack{max-width:320px}}@media (pointer:coarse){.btn.sm,.link,.segmented button,.stepper button,.update-banner .btn{position:relative}.btn.sm:after,.link:after,.segmented button:after,.stepper button:after{content:"";position:absolute;inset:-6px 0}.update-banner .btn:after{content:"";position:absolute;inset:-4px 0}.search-clear:after{content:"";position:absolute;inset:-2px}.stepper button{width:44px}}.kbd-hint{font-size:.9em;font-weight:400}@media (hover:none){.kbd-hint,.kbd-only{display:none!important}}kbd{font-family:ui-monospace,SFMono-Regular,monospace;font-size:var(--fs-caption);background:var(--surface);border:.5px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:1px 7px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.reading{font-size:var(--fs-title2);color:var(--text-2);font-weight:500}.pitch{align-items:flex-start;gap:5px;max-width:100%;display:inline-flex}.pitch-morae{flex-wrap:wrap;min-width:0;display:inline-flex}.pitch-morae .mora{border-top:2px solid #0000;padding:2px 1px 0;line-height:1.6}.pitch-morae .mora.high{border-top-color:currentColor}.pitch-morae .mora.drop{position:relative}.pitch-morae .mora.drop:after{content:"";border-right:2px solid;height:.6em;position:absolute;top:0;right:0}.pitch-num{font-variant-numeric:tabular-nums;font-size:.66em}.speak-btn{background:var(--accent-tint);width:42px;height:42px;color:var(--accent);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-family:inherit;transition:background-color .15s,transform 80ms;display:inline-flex}.speak-btn:active{background:var(--accent-tint-pressed);transform:scale(.94)}@media (hover:hover){.speak-btn:hover{background:var(--accent-tint-pressed)}}.rating-1{background:var(--rate-again-tint);color:var(--rate-again-fg)}.rating-2{background:var(--rate-hard-tint);color:var(--rate-hard-fg)}.rating-3{background:var(--rate-good);color:#fff}.rating-4{background:var(--rate-easy-tint);color:var(--rate-easy-fg)}.today{flex-direction:column;gap:12px;margin-top:16px;padding:18px 16px;display:flex}.today-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.today-headline{font-size:var(--fs-title2);letter-spacing:-.01em;font-weight:600;line-height:1.3}.today-headline b{font-size:var(--fs-large);letter-spacing:-.02em;margin-right:2px;font-weight:700}.today-headline.done{font-size:var(--fs-title3);color:var(--success);text-wrap:balance;align-items:center;gap:8px;display:inline-flex}.today-headline.small{font-size:var(--fs-title3)}.today-sub{font-size:var(--fs-small);color:var(--text-2)}.today-cta{margin-top:4px}.streak{background:color-mix(in srgb, var(--warning) 14%, transparent);color:var(--warning-text);font-size:var(--fs-footnote);font-variant-numeric:tabular-nums;border-radius:999px;flex-shrink:0;align-items:center;gap:4px;padding:4px 10px;font-weight:600;display:inline-flex}.today+.notice,.notice+.deck-section,.today+.deck-section,.nav-bar+.notice,.large-title+.notice{margin-top:16px}.notice .link[aria-busy=true]{cursor:progress}.deck-row{gap:8px;min-height:64px;padding:0 12px 0 0}.deck-link{min-width:0;color:inherit;flex-direction:column;flex:1;justify-content:center;align-self:stretch;gap:3px;padding:12px 0 12px 16px;text-decoration:none;display:flex}.deck-row:has(>.deck-link:active){background:var(--fill-2)}@media (hover:hover){.deck-row:has(>.deck-link:hover){background:var(--fill-2)}}.deck-link:focus-visible{outline-offset:-2px;border-radius:var(--radius)}.deck-name{font-size:var(--fs-headline);font-weight:600}.deck-meta{flex-wrap:wrap;align-items:center;gap:2px 12px;display:flex}.deck-meta .count{gap:5px}.deck-meta .dot{width:7px;height:7px}.deck-done,.deck-words{color:var(--text-2)}.deck-review{font-variant-numeric:tabular-nums;gap:6px;min-width:64px}.deck-check{width:64px;color:var(--text-3);justify-content:center;align-items:center;display:inline-flex}.welcome{text-align:center;flex-direction:column;align-items:center;gap:10px;margin-top:16px;padding:24px 20px;display:flex}.welcome h2{font-size:var(--fs-title2);font-weight:700}.welcome p{color:var(--text-2);font-size:var(--fs-subhead);text-wrap:balance;max-width:26em}.welcome .btn-stack{width:100%;max-width:340px;margin-top:8px}.welcome>.btn.lg{max-width:340px;margin-top:6px}.welcome-icon{border-radius:22.5%;width:64px;height:64px}.welcome-join{font-size:var(--fs-subhead);margin-top:2px}.welcome .welcome-install{border-radius:var(--radius);background:var(--fill-2);width:100%;max-width:340px;color:var(--text);text-align:left;font-size:var(--fs-small);text-wrap:pretty;padding:10px 12px;line-height:1.55}.welcome-check{background:var(--success-tint);width:60px;height:60px;color:var(--success);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.key-box{border-radius:var(--radius);background:var(--fill);align-items:center;gap:10px;width:100%;max-width:340px;padding:8px 8px 8px 14px;display:flex}.key-code{text-align:left;min-width:0;font-family:ui-monospace,SFMono-Regular,monospace;font-size:var(--fs-subhead);overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;flex:1}:is(.app.no-tabbar .page:has(.review-screen),.app.no-tabbar .page:has(.review-done)){padding-bottom:0}.review-screen{--actions-h:84px;min-height:100dvh;padding-top:calc(52px + var(--safe-top));padding-bottom:calc(var(--actions-h) + var(--safe-bottom) + 8px);flex-direction:column;display:flex}.review-bar{z-index:10;min-height:calc(52px + var(--safe-top));padding:var(--safe-top) calc(6px + var(--safe-right)) 0 calc(6px + var(--safe-left));background:var(--bg);align-items:center;gap:2px;margin:0;display:flex;position:fixed;top:0;left:0;right:0}.review-bar .icon-btn{color:var(--text-2)}.review-bar .icon-btn:not(:disabled):active{color:var(--text)}.review-progress{background:var(--fill);border-radius:999px;flex:1;height:6px;margin:0 8px;overflow:hidden}.review-progress>span{background:var(--accent);border-radius:inherit;min-width:6px;height:100%;transition:width .3s;display:block}.review-counts{font-size:var(--fs-subhead);align-items:center;gap:10px;margin:0 6px 0 2px;display:flex}.review-counts .count{gap:4px}.review-counts .dot{width:7px;height:7px}.review-counts .count.current b{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:2px}.review-progress{min-width:40px}@media (width<=359px){.review-counts{font-size:var(--fs-footnote);gap:7px}}.review-err{margin:4px 4px 0}.flashcard{background:var(--surface);min-height:300px;box-shadow:var(--shadow-sm);text-align:center;cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:24px;flex-direction:column;flex:1;justify-content:flex-start;align-items:center;margin-top:8px;padding:clamp(52px,13vh,120px) 22px 36px;animation:.22s card-in;display:flex;position:relative;container-type:inline-size}.flashcard.flipped{cursor:default}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.card-face{flex-direction:column;align-items:center;gap:16px;width:100%;animation:.16s card-in;display:flex}.card-deck{font-size:var(--fs-caption);color:var(--text-2);text-align:left;white-space:nowrap;text-overflow:ellipsis;font-weight:600;position:absolute;top:14px;left:18px;right:76px;overflow:hidden}.card-tag{background:color-mix(in srgb, var(--c-new) 12%, transparent);color:var(--c-new);font-size:var(--fs-caption);border-radius:999px;padding:2px 9px;font-weight:600;position:absolute;top:12px;right:14px}.expression:focus,.card-answer:focus,.review-done h1:focus{outline:none}.expression{font-size:clamp(var(--fs-title2), calc(100cqi / var(--n,4) - 1px), var(--fs-display));letter-spacing:-.01em;line-break:strict;overflow-wrap:anywhere;word-break:auto-phrase;font-weight:700;line-height:1.25}.expression.size-sm{line-height:1.35}.expression.size-xs{font-weight:600;line-height:1.5}.expression.prompt-text{font-weight:600}.card-hint{font-size:var(--fs-subhead);color:var(--text-2)}.card-deck,.card-tag,.card-hint{-webkit-user-select:none;user-select:none}.card-answer{flex-direction:column;align-items:center;gap:14px;width:100%;display:flex}.card-answer.concealed{visibility:hidden}.flashcard.flipped .card-answer{animation:.2s answer-in}@keyframes answer-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.reading-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.reading-row .speak-btn{width:44px;height:44px}.card-divider{background:var(--separator);border-radius:2px;width:40px;height:3px;margin:2px 0}.meaning{font-size:var(--fs-title2);overflow-wrap:anywhere;text-wrap:pretty;font-weight:500;line-height:1.5}.review-actions{z-index:10;padding:12px calc(16px + var(--safe-right)) calc(12px + var(--safe-bottom)) calc(16px + var(--safe-left));background:linear-gradient(to top, var(--bg) 72%, color-mix(in srgb, var(--bg) 0%, transparent));position:fixed;bottom:0;left:0;right:0}.review-actions>*{max-width:688px;margin:0 auto}.btn.lg.show-answer{border-radius:var(--radius-lg);min-height:60px;display:flex}.show-answer .kbd-hint{font-size:var(--fs-footnote);font-weight:500}.ratings{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.rating-hint{text-align:center;font-size:var(--fs-footnote);color:var(--text-2);margin-bottom:8px}.review-screen.with-hint{padding-bottom:calc(var(--actions-h) + var(--safe-bottom) + 36px)}.rating{border-radius:var(--radius-lg);cursor:pointer;border:none;flex-direction:column;justify-content:center;align-items:center;gap:1px;min-height:60px;padding:6px 2px;font-family:inherit;transition:transform 80ms,filter .15s,box-shadow .15s;display:flex;position:relative}.rating:active{filter:brightness(.94);transform:scale(.96)}@media (hover:hover){.rating:hover{box-shadow:inset 0 0 0 2px color-mix(in srgb, currentColor 32%, transparent)}}.rating-label{font-size:var(--fs-headline);font-weight:600}.rating-interval{font-size:var(--fs-caption);font-variant-numeric:tabular-nums;font-weight:500}.rating-key{font-size:var(--fs-caption2);position:absolute;top:5px;right:8px}.app.no-tabbar .review-screen .review-toast{bottom:calc(var(--safe-bottom) + 96px)}.app.no-tabbar .review-screen.with-hint .review-toast{bottom:calc(var(--safe-bottom) + 124px)}.review-done{text-align:center;min-height:100dvh;padding:calc(32px + var(--safe-top)) 0 calc(32px + var(--safe-bottom));flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.done-badge{background:var(--success-tint);width:80px;height:80px;color:var(--success);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;animation:.35s cubic-bezier(.2,.8,.2,1) pop-in;display:inline-flex}.review-done h1{font-size:var(--fs-title1);font-weight:700}.done-stats{color:var(--text-2);font-size:var(--fs-body)}.done-stats b{color:var(--text);font-variant-numeric:tabular-nums}.done-wait,.done-note{color:var(--text-2);font-size:var(--fs-subhead);text-wrap:balance;max-width:24em}.review-done .err{word-break:keep-all;overflow-wrap:anywhere;text-wrap:balance;max-width:24em}.review-done .btn-stack{width:100%;max-width:340px;margin-top:16px}.btn-note{font-size:var(--fs-footnote);font-weight:400}@media (width>=768px){.review-screen,.review-screen.with-hint{min-height:0;padding-top:0;padding-bottom:32px}.review-bar{background:0 0;min-height:0;margin:0;padding:12px 0 0;position:relative}.flashcard{flex:none;min-height:360px;margin-top:12px}.review-actions{background:0 0;padding:16px 0 0;position:static}.review-actions>*{max-width:none}.app.no-tabbar .review-screen .review-toast,.app.no-tabbar .review-screen.with-hint .review-toast{bottom:24px}.review-done{min-height:70vh}}@media (orientation:landscape) and (height<=500px){.review-screen,.review-screen.with-hint{min-height:100dvh;padding-bottom:calc(68px + var(--safe-bottom))}.review-bar{padding-top:calc(4px + var(--safe-top))}.flashcard{flex:1;min-height:0;margin-top:4px;padding:18px 22px 14px}.flashcard:has(.card-deck,.card-tag){padding-top:40px}.card-face{gap:10px}.card-answer{gap:8px}.review-actions{padding:8px calc(16px + var(--safe-right)) calc(8px + var(--safe-bottom)) calc(16px + var(--safe-left));background:linear-gradient(to top, var(--bg) 72%, color-mix(in srgb, var(--bg) 0%, transparent));position:fixed}.review-actions>*{max-width:688px}.rating,.btn.lg.show-answer{min-height:52px}.rating-hint{display:none}.app.no-tabbar .review-screen .review-toast,.app.no-tabbar .review-screen.with-hint .review-toast{top:calc(var(--safe-top) + 2px);bottom:auto;left:calc(var(--safe-left) + 56px);right:calc(var(--safe-right) + 250px);justify-content:center;width:auto;max-width:none;animation-name:toast-in-top;position:absolute;transform:none}.review-done{min-height:0}}@media (orientation:landscape) and (height<=340px){.flashcard:has(.card-deck,.card-tag) .expression{font-size:clamp(var(--fs-title2), calc(100cqi / var(--n,4) - 1px), 34px)}}@keyframes toast-in-top{0%{opacity:0;transform:translateY(-8px)}}@media (prefers-reduced-motion:reduce){.card-face,.flashcard.flipped .card-answer{animation:.16s fade-in!important}}