.arcade{--arc-bg:#f3f2ed;--arc-ink:#252c2c;--arc-muted:#69716c;--arc-line:#d6d9d1;--arc-card:#fafaf6;--arc-blue:#49699d;--arc-soft:#e8ecdf;--arc-pop:#e6bba3;max-width:1280px;margin:auto;padding:0 48px 40px;color:var(--arc-ink);background:var(--arc-bg);min-height:80vh;font-family:Arial,Helvetica,sans-serif}.arcade[data-arc-theme=bold]{--arc-bg:#171d26;--arc-ink:#f1f3f8;--arc-muted:#b4becc;--arc-line:#3e4859;--arc-card:#222c3b;--arc-blue:#b5caff;--arc-soft:#293a53;--arc-pop:#a8bfff;color-scheme:dark;background:radial-gradient(ellipse at 100% 0,#23395a66,transparent 40%),var(--arc-bg)}.arcade[data-arc-theme=warm]{--arc-bg:#f5eee9;--arc-ink:#392c38;--arc-muted:#796773;--arc-line:#decfd6;--arc-card:#fff8f4;--arc-blue:#7b5a87;--arc-soft:#eadfe9;--arc-pop:#d9a59d;background:radial-gradient(ellipse at 90% 0,#ddcbe75c,transparent 45%),var(--arc-bg)}.arc-hero{overflow:hidden}.arcade *{box-sizing:border-box}.arcade :is(button,input,select){font:inherit}.arcade 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var(--arc-line);background:var(--arc-card);padding:25px;text-align:left;position:relative;overflow:hidden;min-height:390px;transition:transform .2s,box-shadow .2s}.arc-main-card:hover{transform:translateY(-4px);box-shadow:0 15px 35px #14271e0a}.arc-card-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:8px;letter-spacing:1px;line-height:1.7}.arc-main-card .arc-art{height:160px;margin:22px 0 15px}.arc-main-card h2{font-size:37px;letter-spacing:-1.8px;margin:0 0 14px}.arc-main-card>p{font-size:12px;color:var(--arc-muted);line-height:1.8;max-width:230px;margin-bottom:25px}.arc-card-link{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:10px;padding-top:15px;border-top:1px solid 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var(--arc-line)}.arc-paths{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;overflow:visible}.arc-line{fill:none;stroke:var(--dot-color,#7d98bd);stroke-width:20;stroke-linecap:round;stroke-linejoin:round;opacity:.75;filter:drop-shadow(0 0 3px #8b9ab538)}.color-0{--dot-color:#8a9fbd}.color-1{--dot-color:#8496c3;--tile-ink:#152447}.color-2{--dot-color:#dfa78f;--tile-ink:#472818}.color-3{--dot-color:#a2bd95;--tile-ink:#1c3a1c}.color-4{--dot-color:#c1abd0;--tile-ink:#362048}.color-5{--dot-color:#d9bd77;--tile-ink:#443206}.arc-cell{border:0;background:transparent;position:relative;z-index:1;display:grid;place-items:center;min-width:0;min-height:44px;padding:0;touch-action:none}.arc-cell>span{display:grid;place-items:center;aspect-ratio:1;width:70%;border-radius:50%;background:var(--dot-color);color:var(--tile-ink,#203443);font-size:clamp(18px,4vw,30px);font-weight:500;line-height:1;transition:transform .14s,box-shadow 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button{background:var(--arc-bg);border:1px solid var(--arc-line);min-height:57px;text-align:left;border-radius:5px;padding:15px 20px;font-size:14px}.arc-choices button:hover{background:var(--arc-soft)}.arc-inline{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.arc-language-audio{padding:20px 0;border-top:1px solid var(--arc-line);border-bottom:1px solid var(--arc-line)}.arc-language-audio>strong{font-size:34px;letter-spacing:-1px;color:var(--arc-blue);font-weight:500}.arc-language-audio audio{width:100%;max-width:100%;height:42px;margin-top:10px}.arc-language-audio .arc-mini{margin-bottom:0;font-size:10px}.arc-morse{padding:20px 0}.arc-morse>strong{font-size:37px;letter-spacing:7px;display:block;color:var(--arc-blue);font-weight:400;margin-bottom:15px}.arc-word-bank{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.arc-word-bank button{border:1px solid var(--arc-line);background:var(--arc-bg);padding:12px 18px;border-radius:5px;font-size:15px}.arc-word-bank 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