:root{--bg:#f6f4ee;--surface:#fff;--panel:#ece6d8;--panel-edge:#d6cebb;--key:#fbf8f0;--key-edge:#c9c0ad;--key-dark:#4a4740;--key-dark-edge:#2e2c27;--accent:#ff5a1f;--accent-edge:#a8441a;--lcd:#9fb38a;--lcd-ink:#1f2a17;--lcd-dim:#3b4a2e;--ink:#191f28;--ink-2:#4e5968;--muted:#6b7684;--line:#e5e1d6;--soft:#efebe1;--radius:22px;--radius-s:12px;--font:"Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--font-lcd:"Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--wrap:1180px}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6}a{color:inherit}img{max-width:100%;height:auto}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}.sr{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.hd{align-items:center;gap:28px;padding:16px 0;display:flex}.logo{letter-spacing:-.5px;white-space:nowrap;font-size:22px;font-weight:800;text-decoration:none}.logo i{color:var(--accent);font-style:normal}.hsearch{flex:1;max-width:440px;position:relative}.hsearch input{background:var(--soft);border-radius:var(--radius-s);width:100%;font:inherit;color:var(--ink);border:0;padding:11px 16px;font-size:15px}.hd nav{color:var(--muted);gap:22px;margin-left:auto;font-size:15px;display:flex}.hd nav a{text-decoration:none}.hd nav a:hover{color:var(--ink)}.sresults{background:var(--surface);z-index:20;border-radius:14px;display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow:hidden;box-shadow:0 12px 32px #0000001f}.sresults.on{display:block}.sresults a{justify-content:space-between;gap:12px;padding:11px 16px;font-size:15px;text-decoration:none;display:flex}.sresults a span{color:var(--muted);white-space:nowrap;font-size:13px}.sresults a:hover,.sresults a.sel{background:var(--soft)}.sresults 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.acts button:active{box-shadow:0 1px 0 var(--key-dark-edge);transform:translateY(2px)}.rows{grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:8px;margin-top:14px;display:grid}.rows div{background:var(--key);border-radius:12px;justify-content:space-between;gap:10px;padding:10px 14px;font-size:15px;display:flex}.rows div span{color:var(--muted)}.rows div b{text-align:right;overflow-wrap:anywhere;min-width:0;font-weight:700}.steps{color:var(--ink-2);border-top:1px dashed #cfc6b2;margin-top:16px;padding-top:14px;font-size:15.5px;line-height:1.9}.steps:empty,.rows:empty{display:none}.note{color:var(--muted);margin-top:10px;font-size:14px}.note:empty{display:none}.article{margin-top:40px}.article h2{letter-spacing:-.4px;margin:30px 0 10px;font-size:22px}.article p{color:#333d4b;margin-bottom:12px;font-size:16.5px;line-height:1.9}.article .formula{font-family:var(--font-lcd);background:var(--surface);border-radius:12px;margin:6px 0 14px;padding:14px 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8px;font-size:15px;line-height:1.3}.pcard .mini{border-radius:8px;justify-content:flex-end;padding:7px 10px}.pcard .mini span{display:none}.pcard .mini b{font-size:18px}.cat{border-radius:14px;padding:12px 14px}.cat h3{font-size:15px}.cat p{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12px;line-height:1.45;display:-webkit-box;overflow:hidden}.grid-list{grid-template-columns:minmax(0,1fr)}}.game{user-select:none}.game .lcd{margin-top:0}.game .gbar{flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;display:flex}.gbtn{background:var(--key);color:var(--ink);box-shadow:0 4px 0 var(--key-edge);font:inherit;cursor:pointer;border:0;border-radius:12px;padding:12px 18px;font-size:16px;font-weight:600}.gbtn:active{box-shadow:0 1px 0 var(--key-edge);transform:translateY(3px)}.gbtn.go{background:var(--accent);color:#fff;box-shadow:0 4px 0 var(--accent-edge)}.gbtn.dark,.gbtn[aria-pressed=true]{background:var(--key-dark);color:#f3eee2;box-shadow:0 4px 0 var(--key-dark-edge)}.ginput{background:var(--key);width:100%;min-width:0;font-family:var(--font-lcd);color:var(--ink);border:0;border-radius:12px;flex:140px;padding:12px 16px;font-size:28px;box-shadow:inset 0 2px 5px #0000001f}.ginput:focus{outline:2px solid var(--accent)}.glog{gap:6px;max-height:320px;margin-top:16px;display:grid;overflow:auto}.glog div{background:var(--key);font-family:var(--font-lcd);border-radius:10px;justify-content:space-between;padding:8px 14px;font-size:20px;display:flex}.gboard{grid-template-columns:repeat(5,1fr);gap:8px;max-width:460px;margin-top:16px;display:grid}.gboard button{aspect-ratio:1;background:var(--key);box-shadow:0 4px 0 var(--key-edge);font-family:var(--font-lcd);color:var(--ink);cursor:pointer;border:0;border-radius:12px;font-size:clamp(20px,5vw,30px)}.gboard button:active{box-shadow:0 1px 0 var(--key-edge);transform:translateY(3px)}.gboard button.hi{background:#e6dcc4}.gboard button.done{visibility:hidden}.gpad{cursor:pointer;text-align:center;background:var(--key-dark);color:#f3eee2;touch-action:manipulation;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;height:260px;padding:16px;font-size:22px;font-weight:700;display:flex}.gpad.wait{background:#c8432b}.gpad.now{background:#3f8f4f}.gpad small{opacity:.85;font-size:15px;font-weight:400}.gcards{justify-content:center;gap:10px;margin:6px 0 4px;display:flex}.gcards span{background:var(--key);width:64px;height:84px;box-shadow:0 4px 0 var(--key-edge);font-family:var(--font-lcd);border-radius:12px;justify-content:center;align-items:center;font-size:34px;display:flex}.field .box textarea{width:100%;font:inherit;resize:vertical;color:var(--ink);background:0 0;border:0;min-height:150px;padding:4px 0;font-size:16px;line-height:1.6}.field .box textarea:focus{outline:none}