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#080a104d}.stat{border-radius:var(--radius-ui);background:var(--c-surface-2);flex-direction:column;gap:2px;min-width:0;padding:12px;display:flex}.stat-value{overflow-wrap:anywhere;font-size:1.375rem;font-weight:700;line-height:1.25}.stat-label{color:var(--c-faint);font-size:.75rem;font-weight:500;line-height:1.4}.empty{text-align:center;color:var(--c-muted);flex-direction:column;align-items:center;gap:12px;padding:32px 16px;font-size:.875rem;display:flex}.avatar{background:var(--tint-soft);width:40px;height:40px;color:var(--tint);border:1px solid var(--tint);border-radius:999px;justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.avatar{border:1px solid color-mix(in srgb, var(--tint) 35%, transparent)}}.avatar{flex:none;padding:0;font-size:1.25rem;line-height:1}.avatar-lg{width:64px;height:64px;font-size:2rem}.avatar-sm{width:32px;height:32px;font-size:1rem}.avatar-btn{cursor:pointer}.swatch{background:var(--tint-soft);width:36px;height:36px;color:var(--tint);border:1px solid var(--tint);border-radius:999px;justify-content:center;align-items:center;display:inline-flex;position:relative}@supports (color:color-mix(in lab, red, red)){.swatch{border:1px solid color-mix(in srgb, var(--tint) 35%, transparent)}}.swatch{cursor:pointer;padding:0}.swatch:after{content:"";position:absolute;inset:-4px}.swatch[aria-pressed=true]{border-color:var(--tint);box-shadow:0 0 0 2px var(--c-surface), 0 0 0 3px var(--tint)}.swatch .ic{width:18px;height:18px}.avatar-pick{border-radius:var(--radius-ui);cursor:pointer;background:0 0;border:1px solid #0000;min-width:44px;min-height:44px;padding:0;font-size:1.375rem;line-height:1}.avatar-pick[aria-pressed=true]{border-color:var(--c-accent);background:var(--c-accent-soft)}.screen-full{flex-direction:column;min-height:100dvh;display:flex}.tile:disabled{opacity:.45;cursor:default}.tile{text-align:left;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);box-shadow:var(--shadow-soft);cursor:pointer;flex-direction:column;align-items:flex-start;gap:8px;padding:10px;transition:background-color .15s,border-color .15s;display:flex}.tile:active{background:var(--c-surface-3)}.tile.is-picked{border-color:var(--c-accent);box-shadow:0 0 0 1px var(--c-accent)}.tile-title{width:100%;font-size:1rem;font-weight:600;line-height:1.25;display:block}.tile .progress5{width:100%;margin-top:auto}.tile .progress5-line{margin-top:4px}.sticky-cta{bottom:calc(var(--tabbar-h) + 16px + env(safe-area-inset-bottom));z-index:20;padding-top:12px;position:sticky}.rank{text-align:right;width:24px;color:var(--c-faint);font-variant-numeric:tabular-nums;flex:none;font-size:.875rem;font-weight:600}.board-value{font-variant-numeric:tabular-nums;font-size:1rem;font-weight:700}.row-wrap .row-title{white-space:normal;overflow:visible}.row-me{border:1px solid var(--c-accent);background:var(--c-accent-soft)}.row-danger .row-title{color:var(--c-danger)}.row-danger .icon-chip{color:var(--c-danger);background:var(--c-danger-soft)}.session-header{z-index:10;background:var(--c-page);padding-top:env(safe-area-inset-top);position:sticky;top:0}.session-body{padding-block:24px calc(32px + env(safe-area-inset-bottom));flex-direction:column;flex:1;justify-content:flex-start;gap:16px;display:flex}.learn-cta{width:100%;margin-top:auto}.clock-secs{color:var(--c-danger);font-size:.75rem;font-weight:700}.prompt-card{height:var(--prompt-card-h);text-align:center;perspective:900px;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;display:flex;position:relative;overflow:hidden}.prompt-card-plain{height:auto;min-height:var(--prompt-card-short);justify-content:flex-start}.prompt-card-plain .prompt-text{margin-top:auto}.prompt-card-plain .prompt-hint{margin-bottom:auto}.prompt-card-plain .prompt-word{font-size:clamp(2rem,9vw,2.25rem)}.prompt-card.is-faced{height:auto;min-height:var(--prompt-card-h);border-color:#0000;padding:0;transition:min-height .2s}.prompt-card-plain.is-faced,.prompt-card-match.is-faced{min-height:var(--prompt-card-short)}.prompt-card.is-faced>:not(.result-face){display:none}.prompt-card-match{justify-content:center;height:auto;min-height:0;padding:16px}.prompt-card-match .prompt-text{margin:0}.prompt-card-learn{height:auto;min-height:var(--prompt-card-h);overflow:visible}.prompt-media{width:var(--prompt-media);height:var(--prompt-media);border-radius:var(--radius-card);background:var(--c-surface-2);flex:none;justify-content:center;align-items:center;max-width:100%;margin-bottom:4px;font-size:4.5rem;line-height:1;display:inline-flex;position:relative;overflow:hidden}.prompt-media-tint{background:var(--tint-soft);color:var(--tint)}.prompt-media .ic{width:72px;height:72px}.prompt-photo{object-fit:cover;opacity:0;width:100%;height:100%;transition:opacity .2s}.prompt-photo.is-loaded{opacity:1}.prompt-text{flex-direction:column;flex:none;align-items:center;gap:4px;width:100%;min-width:0;display:flex}.prompt-title{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:8px;width:100%;display:flex}.prompt-word{overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;margin:0;font-size:clamp(1.75rem,7.5vw,2rem);font-weight:700;line-height:1.15;display:block}.prompt-sub{color:var(--c-muted);overflow-wrap:break-word;width:100%;margin:0;font-size:1.375rem;line-height:1.25}.prompt-hint{color:var(--c-muted);text-overflow:ellipsis;white-space:nowrap;flex:none;width:100%;margin:0;font-size:.8125rem;line-height:1.4;overflow:hidden}.prompt-card-learn .prompt-hint{white-space:normal;margin-top:4px;overflow:visible}.prompt-tags{flex-wrap:wrap;justify-content:center;gap:6px;width:100%;margin:2px 0 0;display:flex}.prompt-sentence{margin:0;font-size:1.375rem;font-weight:500;line-height:1.25}.prompt-gap-tr{color:var(--c-muted);overflow-wrap:break-word;width:100%;margin:4px 0 0;font-size:.875rem;line-height:1.4}.example-block{border:1px solid var(--c-border);background:var(--c-raised);width:100%;box-shadow:var(--shadow-soft);text-align:left;border-radius:12px;flex:none;align-items:flex-start;gap:12px;margin-top:12px;padding:14px;display:flex}.example-badge{background:var(--tint-soft);width:40px;height:40px;color:var(--tint);border-radius:12px;flex:none;justify-content:center;align-items:center;display:inline-flex}.example-badge .ic{width:20px;height:20px}.example-body{flex:auto;min-width:0;display:block}.example-title{color:var(--c-text);margin-bottom:2px;font-size:.875rem;font-weight:600;line-height:1.35;display:block}.example-es{color:var(--c-text);overflow-wrap:break-word;margin:0;font-size:1rem;font-weight:500;line-height:1.4;display:block}.example-hit{color:var(--c-accent-ink);font-weight:700}.example-tr{color:var(--c-muted);overflow-wrap:break-word;margin-top:4px;font-size:.875rem;line-height:1.4;display:block}.photo-credit{color:var(--c-faint);text-overflow:ellipsis;white-space:nowrap;flex:none;margin:auto 0 0;padding-top:8px;font-size:.75rem;line-height:1.4;overflow:hidden}.photo-credit a{color:inherit;text-decoration:underline}.word-prompt{overflow-wrap:break-word;margin:0;font-size:clamp(2rem,8vw,2.25rem);font-weight:700;line-height:1.15;display:block}.gap-blank{border-bottom:2px solid var(--c-accent);min-width:72px;display:inline-block}.gender-btn{min-height:88px;font-size:1.75rem;font-weight:600}.flashcard{text-align:center;cursor:pointer;flex-direction:column;flex:0 auto;justify-content:center;align-items:center;gap:12px;width:100%;min-height:280px;max-height:70dvh;padding:24px 16px;display:flex}.result-face{z-index:1;text-align:center;color:#fff;flex-direction:column;flex:auto;justify-content:center;align-self:stretch;align-items:center;gap:8px;padding:16px;animation:.2s ease-out both sv-face;display:flex;position:relative}.face-timer{transform-origin:0;border-radius:0 0 var(--radius-card) var(--radius-card);background:#ffffff8c;height:3px;animation:linear both sv-face-timer;position:absolute;bottom:0;left:0;right:0}@keyframes sv-face-timer{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.face-next{color:#fff;margin-top:6px;font-size:.75rem;display:none}.face-ok{background:var(--c-face-ok)}.face-almost{background:var(--c-face-almost)}.face-bad{background:var(--c-face-bad)}.face-icon{flex:none;width:56px;height:56px;margin-top:auto}.face-pair{gap:2px;width:100%;display:grid}.face-word{overflow-wrap:break-word;margin:0;font-size:clamp(1.75rem,7.5vw,2rem);font-weight:700;line-height:1.15}.face-tr{opacity:.8;margin:0;font-size:1.125rem;line-height:1.3}.face-pairs{gap:2px;width:100%;display:grid}.face-pair-line{margin:0;font-size:.9375rem;line-height:1.35}.face-note{opacity:.92;flex-wrap:wrap;justify-content:center;gap:0 6px;margin:0;font-size:.8125rem;line-height:1.4;display:flex}.face-climb{justify-items:center;gap:4px;width:100%;margin-top:auto;display:grid}.face-climb-line{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:0 6px;margin:0;font-size:.875rem;line-height:1.4;display:flex}.face-climb-score{font-variant-numeric:tabular-nums;font-weight:700}.face-pill{background:#fff;border-radius:999px;padding:3px 10px;font-size:.75rem;font-weight:700;line-height:1.35}.face-pill.state-learning{color:var(--c-face-pill-learning)}.face-pill.state-learned{color:var(--c-face-pill-learned)}.face-pill.state-mastered{color:var(--c-face-pill-mastered)}.word-row{flex-wrap:wrap;align-items:center;gap:4px 8px;min-width:0;margin:0;padding:6px 0;font-size:.875rem;line-height:1.35;display:flex}.word-move{white-space:normal;overflow-wrap:anywhere;flex-wrap:wrap;justify-content:flex-end;align-items:baseline;gap:0 6px;min-width:0;margin-left:auto;font-size:.8125rem;display:flex}.word-move>span{white-space:nowrap}.word-move>.faint{white-space:normal}.notice{border-radius:var(--radius-ui);border:1px solid #0000;padding:12px}.notice-warning{background:var(--c-warning-soft);border-color:var(--c-warning)}@supports (color:color-mix(in lab, red, red)){.notice-warning{border-color:color-mix(in srgb, var(--c-warning) 35%, transparent)}}.notice-warning{color:var(--c-warning-ink)}.notice-accent{background:var(--c-accent-soft);border-color:var(--c-accent)}@supports (color:color-mix(in lab, red, red)){.notice-accent{border-color:color-mix(in srgb, var(--c-accent) 30%, transparent)}}.notice-accent{color:var(--c-accent-ink)}.score-value{justify-content:center;align-items:center;gap:8px;font-size:2.25rem;font-weight:700;line-height:1.15;display:flex}.code-input{text-align:center;text-transform:uppercase;letter-spacing:.25em;font-size:1.375rem;font-weight:600}.session-toast{padding-top:8px}.toast-inline{width:100%;max-width:none;margin:0;position:static;transform:none}.toast-update{background:var(--c-accent);color:var(--c-on-accent);cursor:pointer;pointer-events:auto;justify-content:center}.avatar-grid{background:var(--c-surface-2);border-radius:var(--radius-ui);grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:4px;max-height:168px;padding:8px;display:grid;overflow-y:auto}.avatar-grid-tall{max-height:240px}.avatar-grid-flow{max-height:none;overflow:visible}.seg-grid{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.word-emoji{flex:none;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.375rem;line-height:1;display:inline-flex}.word-thumb{border-radius:var(--radius-ui);object-fit:cover;background:var(--c-surface-2);width:40px;height:40px}.answer.is-selected{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent-ink)}.field-select{text-align:left;cursor:pointer;align-items:center;gap:8px;display:flex}.field-select-value{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.field-select-chevron{color:var(--c-faint);flex:none}.field-select:disabled{cursor:default}.field-select:disabled .field-select-chevron{color:var(--c-muted)}.list-wrap .row-title,.list-wrap .row-meta{white-space:normal;overflow-wrap:anywhere}@media (hover:hover){.btn-primary:hover{background:var(--c-accent-hover)}.btn-secondary:hover{background:var(--c-surface-2)}.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-text)}.btn-danger:hover{filter:brightness(1.08)}.row:hover{background:var(--c-surface-2)}.row-static:hover{background:var(--c-surface)}.chip:hover{background:var(--c-surface-2)}.pill-btn:hover{background:var(--c-surface-3)}.answer:hover,.tile:hover{background:var(--c-surface-2)}.row-me:hover{background:var(--c-accent-soft)}}.sheet{color:var(--c-text);overflow-wrap:break-word;font-size:.9375rem;line-height:1.6}.sheet>:first-child{margin-top:0}.sheet>:last-child{margin-bottom:0}.sheet h2{margin:20px 0 8px;font-size:1.125rem;font-weight:600;line-height:1.35}.sheet h3{margin:18px 0 6px;font-size:1rem;font-weight:600;line-height:1.4}.sheet p{margin:0 0 10px}.sheet strong{font-weight:700}.sheet em{font-style:italic}.sheet ul,.sheet ol{margin:0 0 10px;padding-left:22px}.sheet ul{list-style:outside}.sheet ol{list-style:decimal}.sheet li{margin:0 0 4px}.sheet-table{-webkit-overflow-scrolling:touch;border:1px solid var(--c-border);border-radius:var(--radius-ui);max-width:100%;margin:0 0 12px;overflow-x:auto}.sheet table{border-collapse:collapse;width:100%;font-size:.875rem;line-height:1.4}.sheet th,.sheet td{text-align:left;vertical-align:top;border-bottom:1px solid var(--c-border);padding:8px 10px}.sheet tr:last-child td{border-bottom:0}.sheet th{color:var(--c-text);background:var(--c-surface-2);white-space:nowrap;font-weight:600}.sheet tr:nth-child(odd) td{background:var(--c-page)}.gap-mark{background:var(--tint-soft);color:var(--tint);border-radius:4px;padding:0 4px;font-weight:700}.face-mark{color:inherit;background:#ffffff38;border-radius:4px;padding:0 4px;font-weight:800}.face-sentence{font-size:clamp(1.25rem,5.5vw,1.5rem);line-height:1.3}.row-inset{background:var(--c-raised);box-shadow:none}@media (hover:hover){.row-inset:hover{background:var(--c-surface-2)}}}@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.m-0{margin:0}.-mt-2{margin-top:calc(var(--spacing) * -2)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-3{margin-top:calc(var(--spacing) * 3)}.mt-4{margin-top:calc(var(--spacing) * 4)}.mt-6{margin-top:calc(var(--spacing) * 6)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing)}.mb-2{margin-bottom:calc(var(--spacing) * 2)}.mb-3{margin-bottom:calc(var(--spacing) * 3)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.mb-6{margin-bottom:calc(var(--spacing) * 6)}.-ml-2{margin-left:calc(var(--spacing) * -2)}.-ml-4{margin-left:calc(var(--spacing) * -4)}.ml-auto{margin-left:auto}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.min-h-dvh{min-height:100dvh}.w-32{width:calc(var(--spacing) * 32)}.w-56{width:calc(var(--spacing) * 56)}.min-w-0{min-width:0}.flex-1{flex:1}.shrink{flex-shrink:1}.shrink-0{flex-shrink:0}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.animate-spin{animation:var(--animate-spin)}.list-disc{list-style-type:disc}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-baseline{align-items:baseline}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.justify-end{justify-content:flex-end}.justify-items-center{justify-items:center}.gap-1{gap:var(--spacing)}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-6{gap:calc(var(--spacing) * 6)}.justify-self-center{justify-self:center}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.py-1{padding-block:var(--spacing)}.py-3{padding-block:calc(var(--spacing) * 3)}.pt-2{padding-top:calc(var(--spacing) * 2)}.pt-3{padding-top:calc(var(--spacing) * 3)}.pt-4{padding-top:calc(var(--spacing) * 4)}.pt-6{padding-top:calc(var(--spacing) * 6)}.pr-10{padding-right:calc(var(--spacing) * 10)}.pr-12{padding-right:calc(var(--spacing) * 12)}.pb-2{padding-bottom:calc(var(--spacing) * 2)}.pb-6{padding-bottom:calc(var(--spacing) * 6)}.pb-8{padding-bottom:calc(var(--spacing) * 8)}.pl-4{padding-left:calc(var(--spacing) * 4)}.text-center{text-align:center}.text-left{text-align:left}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-widest{--tw-tracking:var(--tracking-widest);letter-spacing:var(--tracking-widest)}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.first\:mt-0:first-child{margin-top:0}}:root{color-scheme:light;--app-max:768px;--tabbar-h:60px;--prompt-card-h:320px;--prompt-card-short:208px;--prompt-media:176px;--c-page:#f7f8fa;--c-surface:#fff;--c-surface-2:#eef0f4;--c-surface-3:#e3e7ee;--c-border:#dfe3ea;--c-border-strong:#c8cfdb;--c-text:#10141c;--c-muted:#525b6a;--c-faint:#6b7483;--c-letterbox:#e6e9ef;--c-raised:var(--c-surface);--c-accent:#4f46e5;--c-accent-hover:#4338ca;--c-accent-active:#3730a3;--c-accent-soft:#eceefe;--c-accent-ink:#4338ca;--c-tabbar:#e9ebfb;--c-tabbar-line:#c9cdf3;--c-on-accent:#fff;--c-accent-btn:var(--c-accent);--c-success:#15803d;--c-success-soft:#e7f6ec;--c-success-ink:#14532d;--c-danger:#be123c;--c-danger-soft:#fdeaef;--c-danger-ink:#881337;--c-warning:#b45309;--c-warning-soft:#fbf1de;--c-warning-ink:#7c2d12;--c-face-ok:#15803d;--c-face-almost:#b45309;--c-face-bad:#be123c;--c-face-pill-learning:#b45309;--c-face-pill-learned:#15803d;--c-face-pill-mastered:#0f766e;--st-new:#d4d4d8;--st-new-ink:#575e6b;--st-new-soft:#eef0f4;--st-seen:#0ea5e9;--st-seen-ink:#0369a1;--st-seen-soft:#e0f2fe;--st-learning:#f59e0b;--st-learning-ink:#b45309;--st-learning-soft:#fef3c7;--st-learned:#22c55e;--st-learned-ink:#15803d;--st-learned-soft:#dcfce7;--st-mastered:#14b8a6;--st-mastered-ink:#0f766e;--st-mastered-soft:#ccfbf1;--shadow-soft:0 1px 2px #10141c0d;--shadow-lift:0 -2px 16px #10141c14;--tint:var(--c-accent);--tint-soft:var(--c-accent-soft)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--c-page:#101318;--c-surface:#191d24;--c-surface-2:#222731;--c-surface-3:#2b313c;--c-border:#2d333e;--c-border-strong:#3d4450;--c-text:#eceff4;--c-muted:#a9b2c0;--c-faint:#949dac;--c-letterbox:#08090d;--c-raised:var(--c-surface-2);--c-accent:#6366f1;--c-accent-hover:#818cf8;--c-accent-active:#4f46e5;--c-accent-soft:#1e2140;--c-accent-ink:#c7d2fe;--c-tabbar:#161a2b;--c-tabbar-line:#2e3457;--c-on-accent:#fff;--c-accent-btn:#5d60ec;--c-success:#4ade80;--c-success-soft:#11291d;--c-success-ink:#bbf7d0;--c-danger:#fb7185;--c-danger-soft:#2e1019;--c-danger-ink:#fecdd3;--c-warning:#fbbf24;--c-warning-soft:#2c2108;--c-warning-ink:#fde68a;--st-new:#767e8c;--st-new-ink:#a9b2c0;--st-new-soft:#222731;--st-seen:#38bdf8;--st-seen-ink:#7dd3fc;--st-seen-soft:#0c2534;--st-learning:#fbbf24;--st-learning-ink:#fcd34d;--st-learning-soft:#2f2409;--st-learned:#4ade80;--st-learned-ink:#86efac;--st-learned-soft:#11291d;--st-mastered:#2dd4bf;--st-mastered-ink:#5eead4;--st-mastered-soft:#0d2b29;--shadow-soft:0 1px 2px #0006;--shadow-lift:0 -2px 16px #00000080}}:root[data-theme=dark]{color-scheme:dark;--c-page:#101318;--c-surface:#191d24;--c-surface-2:#222731;--c-surface-3:#2b313c;--c-border:#2d333e;--c-border-strong:#3d4450;--c-text:#eceff4;--c-muted:#a9b2c0;--c-faint:#949dac;--c-letterbox:#08090d;--c-raised:var(--c-surface-2);--c-accent:#6366f1;--c-accent-hover:#818cf8;--c-accent-active:#4f46e5;--c-accent-soft:#1e2140;--c-accent-ink:#c7d2fe;--c-tabbar:#161a2b;--c-tabbar-line:#2e3457;--c-on-accent:#fff;--c-accent-btn:#5d60ec;--c-success:#4ade80;--c-success-soft:#11291d;--c-success-ink:#bbf7d0;--c-danger:#fb7185;--c-danger-soft:#2e1019;--c-danger-ink:#fecdd3;--c-warning:#fbbf24;--c-warning-soft:#2c2108;--c-warning-ink:#fde68a;--st-new:#767e8c;--st-new-ink:#a9b2c0;--st-new-soft:#222731;--st-seen:#38bdf8;--st-seen-ink:#7dd3fc;--st-seen-soft:#0c2534;--st-learning:#fbbf24;--st-learning-ink:#fcd34d;--st-learning-soft:#2f2409;--st-learned:#4ade80;--st-learned-ink:#86efac;--st-learned-soft:#11291d;--st-mastered:#2dd4bf;--st-mastered-ink:#5eead4;--st-mastered-soft:#0d2b29;--shadow-soft:0 1px 2px #0006;--shadow-lift:0 -2px 16px #00000080}.tint-rose,.tint-red,.tint-pink{--tint:#be123c;--tint-soft:#fdeaef}.tint-amber,.tint-yellow,.tint-orange{--tint:#b45309;--tint-soft:#fbf0dd}.tint-lime,.tint-green,.tint-emerald{--tint:#4d7c0f;--tint-soft:#edf4df}.tint-teal,.tint-cyan{--tint:#0f766e;--tint-soft:#ddf1ef}.tint-sky,.tint-blue,.tint-slate,.tint-stone,.tint-gray,.tint-neutral,.tint-zinc{--tint:#0369a1;--tint-soft:#e0edf9}.tint-indigo{--tint:#4f46e5;--tint-soft:#e9ebfe}.tint-violet,.tint-purple{--tint:#7c3aed;--tint-soft:#efe8fe}.tint-fuchsia{--tint:#a21caf;--tint-soft:#f9e6fc}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .tint-rose,:root:not([data-theme=light]) .tint-red,:root:not([data-theme=light]) .tint-pink{--tint:#fb7185;--tint-soft:#33141d}:root:not([data-theme=light]) .tint-amber,:root:not([data-theme=light]) .tint-yellow,:root:not([data-theme=light]) .tint-orange{--tint:#fbbf24;--tint-soft:#2f2409}:root:not([data-theme=light]) .tint-lime,:root:not([data-theme=light]) .tint-green,:root:not([data-theme=light]) .tint-emerald{--tint:#a3e635;--tint-soft:#20290d}:root:not([data-theme=light]) .tint-teal,:root:not([data-theme=light]) .tint-cyan{--tint:#2dd4bf;--tint-soft:#0d2b29}:root:not([data-theme=light]) .tint-sky,:root:not([data-theme=light]) .tint-blue,:root:not([data-theme=light]) .tint-slate,:root:not([data-theme=light]) .tint-stone,:root:not([data-theme=light]) .tint-gray,:root:not([data-theme=light]) .tint-neutral,:root:not([data-theme=light]) .tint-zinc{--tint:#38bdf8;--tint-soft:#0c2534}:root:not([data-theme=light]) .tint-indigo{--tint:#818cf8;--tint-soft:#1e2140}:root:not([data-theme=light]) .tint-violet,:root:not([data-theme=light]) .tint-purple{--tint:#a78bfa;--tint-soft:#241c3d}:root:not([data-theme=light]) .tint-fuchsia{--tint:#e879f9;--tint-soft:#2d1030}}:root[data-theme=dark] .tint-rose,:root[data-theme=dark] .tint-red,:root[data-theme=dark] .tint-pink{--tint:#fb7185;--tint-soft:#33141d}:root[data-theme=dark] .tint-amber,:root[data-theme=dark] .tint-yellow,:root[data-theme=dark] .tint-orange{--tint:#fbbf24;--tint-soft:#2f2409}:root[data-theme=dark] .tint-lime,:root[data-theme=dark] .tint-green,:root[data-theme=dark] .tint-emerald{--tint:#a3e635;--tint-soft:#20290d}:root[data-theme=dark] .tint-teal,:root[data-theme=dark] .tint-cyan{--tint:#2dd4bf;--tint-soft:#0d2b29}:root[data-theme=dark] .tint-sky,:root[data-theme=dark] .tint-blue,:root[data-theme=dark] .tint-slate,:root[data-theme=dark] .tint-stone,:root[data-theme=dark] .tint-gray,:root[data-theme=dark] .tint-neutral,:root[data-theme=dark] .tint-zinc{--tint:#38bdf8;--tint-soft:#0c2534}:root[data-theme=dark] .tint-indigo{--tint:#818cf8;--tint-soft:#1e2140}:root[data-theme=dark] .tint-violet,:root[data-theme=dark] .tint-purple{--tint:#a78bfa;--tint-soft:#241c3d}:root[data-theme=dark] .tint-fuchsia{--tint:#e879f9;--tint-soft:#2d1030}html{background:var(--c-letterbox)}body{color:var(--c-text);background:var(--c-letterbox);font-family:var(--font-sans);-webkit-tap-highlight-color:transparent;overscroll-behavior-y:contain;-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.5}[x-cloak]{display:none!important}.app-shell{max-width:var(--app-max);background:var(--c-page);min-height:100dvh;margin-inline:auto;position:relative}@media (min-width:768px){.app-shell{box-shadow:0 0 0 1px var(--c-border)}}.gutter{padding-inline:16px}.safe-bottom{padding-bottom:calc(var(--tabbar-h) + 16px + env(safe-area-inset-bottom))}:where(button,a,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}.tw{vertical-align:-.125em;width:1em;height:1em;display:inline-block}.emoji-xl{font-size:2.25rem;line-height:1}.emoji-lg{font-size:1.75rem;line-height:1}.emoji-md{font-size:1.375rem;line-height:1}.grid-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-inline:-6px;display:grid}@media (min-width:600px){.grid-topics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-inline:0}}.hr{background:var(--c-border);border:0;height:1px;margin:0}@keyframes sv-shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}50%{transform:translate(4px)}75%{transform:translate(-2px)}}.shake{animation:.28s ease-in-out sv-shake}@keyframes sv-rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.rise{animation:.2s ease-out sv-rise}.success-check{width:56px;height:56px;color:var(--c-success)}.success-check circle,.success-check path{fill:none;stroke:currentColor;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.success-check circle{stroke-dasharray:151;stroke-dashoffset:151px;animation:.5s ease-out forwards sv-draw}.success-check path{stroke-dasharray:40;stroke-dashoffset:40px;animation:.3s ease-out .35s forwards sv-draw}@keyframes sv-draw{to{stroke-dashoffset:0}}@keyframes sv-face{0%{opacity:0;transform:rotateY(-90deg)}60%{opacity:1}to{opacity:1;transform:rotateY(0)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}.shake,.rise{animation:none!important}.face-timer{display:none}.face-next{display:block}.success-check circle,.success-check path{stroke-dashoffset:0;animation:none!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}