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shake{20%{transform:translate(-6px)}40%{transform:translate(5px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}}.writebox{display:grid;gap:12px}.wb-row{display:flex;gap:10px}.wb-input{flex:1;min-width:0;height:62px;padding:0 20px;border:0;outline:0;border-radius:12px;font-size:21px;font-weight:500;background:var(--surface-2);box-shadow:inset 0 0 0 1.5px var(--line-2);transition:box-shadow .16s ease,background-color .16s ease}.wb-input:focus{box-shadow:inset 0 0 0 2px var(--ginger),var(--ring);background:var(--surface)}.wb-row .btn{height:62px;padding:0 24px}.writebox.ok .wb-input{box-shadow:inset 0 0 0 2px var(--good);background:var(--good-soft)}.writebox.bad .wb-input{box-shadow:inset 0 0 0 2px var(--bad);background:var(--bad-soft);animation:shake .36s var(--ease-out)}.writebox.typo .wb-input{box-shadow:inset 0 0 0 2px var(--warn);background:var(--warn-soft)}.wb-tools{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.accents{display:flex;gap:4px;margin-left:auto}.accent-key{width:36px;height:36px;border-radius:10px;background:var(--surface-2);font-size:16px;font-weight:600;transition:transform .12s var(--ease-out)}.accent-key:active{transform:scale(.92)}.wb-result{display:grid;gap:10px;padding:16px 18px;border-radius:12px;background:var(--surface-2);animation:card-in .26s var(--ease-out) both}.wb-verdict{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.wb-verdict b{font-family:var(--font-display);font-size:20px}.wb-verdict span{color:var(--ink-2);font-size:14.5px}.wb-answer{font-size:20px;font-weight:700}.wb-answer small,.wb-yours small{font-size:13px;font-weight:500;color:var(--ink-3);margin-right:6px}.wb-yours{color:var(--ink-2)}.round-end{flex:1;width:min(760px,100%);margin:0 auto;display:grid;align-content:start;gap:22px;padding:clamp(24px,6vh,72px) var(--gutter) 40px}.round-end h1{font-size:clamp(30px,3vw,48px)}.round-end>.btn{justify-self:start}.re-bars{display:grid;gap:12px;padding:20px;border-radius:14px;background:var(--surface);box-shadow:var(--shadow-1)}.re-bar{display:grid;grid-template-columns:90px 1fr 40px;align-items:center;gap:14px;font-size:14px;font-weight:600;color:var(--ink-2)}.re-bar .bar{height:10px}.re-bar b{text-align:right;color:var(--ink)}.re-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.re-list li{display:grid;grid-template-columns:10px minmax(0,1fr) minmax(0,1fr);gap:14px;align-items:center;padding:12px 16px;border-radius:14px;background:var(--surface)}.re-list span:last-child{color:var(--ink-2)}.finish{flex:1;display:grid;justify-items:center;align-content:center;text-align:center;gap:14px;padding:32px var(--gutter) 48px}.finish 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140px}.test-score{margin-bottom:16px}.test-score .finish{padding-top:12px}.test-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}.tq{padding:22px;display:grid;gap:14px;border-radius:14px;transition:box-shadow .2s ease}.tq.ok{box-shadow:inset 0 0 0 2px var(--good)}.tq.bad{box-shadow:inset 0 0 0 2px var(--bad)}.tq-head{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;color:var(--ink-3)}.tq-head svg{margin-left:auto}.tq-q{font-family:var(--font-display);font-weight:700;font-size:clamp(20px,1.8vw,28px);letter-spacing:-.02em;line-height:1.2;word-break:break-word}.tf-shown{font-size:18px;font-weight:600;color:var(--ink-2)}.seg.tf{justify-self:start}.seg.tf button{height:40px;padding:0 20px}.seg.tf button.right{background:var(--good);color:#fff}.seg.tf button.wrong{background:var(--bad);color:#fff}.tq-fix{font-size:15px;font-weight:600;color:var(--good);display:flex;align-items:center;gap:10px;flex-wrap:wrap}.test-submit{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:center;align-items:center;gap:18px;padding:14px var(--gutter) calc(14px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line)}.match-ready{flex:1;display:grid;justify-items:center;align-content:center;text-align:center;gap:14px;padding:24px var(--gutter) 60px}.match-ready h1{font-size:clamp(30px,3.4vw,54px)}.match-ready p{max-width:46ch}.mr-icon{display:grid;place-items:center;width:96px;height:96px;border-radius:30px;background:var(--ginger-soft);color:var(--ginger);margin-bottom:6px}.best{display:inline-flex;align-items:center;gap:8px;font-weight:600}.match-board{flex:1;width:min(1280px,100%);margin:0 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var(--ease-out)}.tile.gone{opacity:0;transform:scale(.9);pointer-events:none}.review-stage{flex:1;display:grid;align-content:center;justify-items:center;gap:22px;padding:18px var(--gutter) 28px}.fc-review{width:min(780px,100%);height:clamp(300px,52vh,520px)}.grades{width:min(780px,100%);display:grid;grid-template-columns:repeat(4,1fr);gap:10px;min-height:76px}.show-btn{grid-column:1 / -1;height:76px;border-radius:14px;font-size:17px}.grade{position:relative;display:grid;justify-items:center;align-content:center;gap:2px;height:76px;border-radius:12px;transition:transform .16s var(--ease-out),filter .16s ease;animation:card-in .24s var(--ease-out) both}.grade b{font-size:16px}.grade small{font-size:12.5px;opacity:.8;font-weight:600}.grade .kbd{position:absolute;top:8px;right:8px;min-width:18px;height:18px;font-size:10px;background:transparent;box-shadow:inset 0 0 0 1px currentColor;color:inherit;opacity:.5}.grade:active{transform:scale(.96)}.grade.again{background:var(--bad-soft);color:var(--bad)}.grade.hard{background:var(--warn-soft);color:var(--warn)}.grade.good{background:var(--good-soft);color:var(--good)}.grade.easy{background:color-mix(in srgb,var(--c-sky) 14%,var(--surface));color:var(--c-sky)}.grade:nth-child(2){animation-delay:30ms}.grade:nth-child(3){animation-delay:60ms}.grade:nth-child(4){animation-delay:90ms}@media(hover:hover)and (pointer:fine){.grade:hover{filter:brightness(.97) saturate(1.2)}}@media(max-width:900px){.study-top{height:60px;padding:0 8px}.study-title .cat{display:none}.fc-stage,.review-stage{align-content:start;padding-top:12px;gap:16px}.deck{height:min(58dvh,520px)}.fc-review{height:min(52dvh,480px)}.fc-face{padding:56px 22px;border-radius:16px}.choices{grid-template-columns:1fr}.choice{min-height:56px}.q-stage{padding-top:14px}.q-card{padding:20px;border-radius:14px;gap:20px}.wb-row{flex-direction:column}.wb-row .btn{height:52px}.accents{margin-left:0;width:100%}.match-board{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:12px;align-content:start}.tile{min-height:92px;border-radius:16px;padding:10px;font-size:14.5px}.grades{gap:6px}.grade{height:68px;border-radius:16px}.grade b{font-size:14px}.finish-actions{flex-direction:column;width:100%}.finish-actions .btn{width:100%}.re-list li{grid-template-columns:8px 1fr}.re-list span:last-child{grid-column:2;margin-top:-10px}.stamp{font-size:16px;top:22px}}:root{--card: #ECEDF0;--card-ink: #1B1D23;--card-tool: rgba(17, 18, 22, .06)}:root[data-theme=dark]{--card: #202128;--card-ink: #ECEDF1;--card-tool: rgba(255, 255, 255, .07)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--card: #202128;--card-ink: #ECEDF1;--card-tool: rgba(255, 255, 255, .07)}}.fc-face,.fc-back,:root[data-theme=dark] .fc-front{background:var(--card);color:var(--card-ink);outline:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .fc-front{background:var(--card);outline:none}}.fc-tool,.fc-back .fc-tool{background:var(--card-tool);color:color-mix(in srgb,var(--card-ink) 70%,transparent)}@media(hover:hover)and (pointer:fine){.fc-tool:hover,.fc-back .fc-tool:hover{color:var(--card-ink)}}.fc-lang{position:absolute;top:22px;left:22px;height:26px;padding:0 10px;display:inline-flex;align-items:center;border-radius:999px;background:var(--card-tool);font-size:12px;font-weight:700;letter-spacing:.06em;color:color-mix(in srgb,var(--card-ink) 65%,transparent)}.fc-back .fc-lang{background:color-mix(in srgb,var(--ginger) 16%,transparent);color:var(--ginger-2)}.dir-switch{gap:6px;font-variant-numeric:tabular-nums;letter-spacing:.02em}@media(max-width:900px){.study-right .dir-switch{padding:0 10px}.study-count{display:none}}:root{--card: #EEF0F3}:root[data-theme=dark]{--card: #1E2127}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--card: #1E2127}}.fc-face{border-radius:18px;box-shadow:0 0 0 1px var(--line-2),0 18px 34px -24px #18284880,0 0 0 calc(var(--yes, 0) * 3px) var(--good),0 0 0 calc(var(--no, 0) * 3px) var(--warn)}.fc-back{transform:rotateY(180deg)}.fc-face:before{content:"";position:absolute;left:0;right:0;top:66px;height:1.5px;background:var(--margin-line);opacity:.75}.fc-lang{top:24px;left:22px}.deck-card:not(.top) .fc-face{box-shadow:0 0 0 1px var(--line-2)}.study-top{background:color-mix(in srgb,var(--bg) 88%,transparent)}.q-card,.test-setup{box-shadow:var(--shadow-1)}.round-btn svg{border-radius:16px}.mark{position:relative;display:inline-grid;place-items:center;width:150px;height:128px;font-family:var(--font-hand);font-weight:700;font-size:118px;line-height:1;color:var(--bad);letter-spacing:0;animation:mark-in .42s var(--ease-out) both}.mark svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible}.mark path{fill:none;stroke:var(--bad);stroke-width:3.5;stroke-linecap:round;stroke-dasharray:360;stroke-dashoffset:360;animation:mark-draw .65s .22s var(--ease-out) forwards}@keyframes mark-in{0%{opacity:0;transform:scale(.9) rotate(-6deg)}}@keyframes mark-draw{to{stroke-dashoffset:0}}@media(prefers-reduced-motion:reduce){.mark path{stroke-dashoffset:0}}