:root{
  --bg:#f6f9ff;
  --paper:#ffffff;
  --ink:#111827;
  --muted:#667085;
  --line:#e4ebf5;
  --blue:#2563eb;
  --blue-soft:#eff6ff;
  --green:#16a34a;
  --red:#ef4444;
  --violet:#7c3aed;
  --amber:#f59e0b;
  --shadow:0 16px 42px rgba(15,23,42,.09);
  --soft:0 8px 22px rgba(15,23,42,.065);
  --radius:24px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 0%,#eaf4ff 0,transparent 30%),
    radial-gradient(circle at 92% 6%,#ecfdf3 0,transparent 28%),
    linear-gradient(180deg,#fff 0%,var(--bg) 56%,#eef6ff 100%);
}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(#edf2fb 1px,transparent 1px),linear-gradient(90deg,#edf2fb 1px,transparent 1px);background-size:30px 30px;opacity:.45;mask-image:linear-gradient(180deg,#000 0%,transparent 84%)}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
.hidden{display:none!important}
.app{max-width:1280px;margin:0 auto;padding:20px;position:relative}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:26px;padding:15px 17px;box-shadow:var(--soft);backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:13px;background:transparent;color:inherit;text-align:left;padding:0}
.logo{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#eff6ff,#fff,#ecfdf3);box-shadow:var(--soft);display:flex;align-items:center;justify-content:center;font-size:31px;border:1px solid var(--line);flex:0 0 auto}
h1{font-size:28px;line-height:1.05;margin:0;letter-spacing:-.035em;white-space:nowrap}
h1 span{font-size:17px;color:var(--blue);margin-left:6px;vertical-align:baseline}
.brand p{font-size:12px;color:var(--muted);margin:5px 0 0;line-height:1.35}
.topStats{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;padding:8px 10px;border-radius:999px;font-size:12px;color:#334155;box-shadow:0 4px 12px rgba(15,23,42,.04)}
.primary,.ghost{border-radius:14px;padding:10px 13px;font-weight:900;letter-spacing:-.01em;transition:.16s}
.primary{background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;box-shadow:0 11px 22px rgba(37,99,235,.22)}
.ghost{background:#fff;color:#111827;border:1px solid var(--line);box-shadow:0 5px 14px rgba(15,23,42,.05)}
.primary:hover,.ghost:hover{transform:translateY(-1px)}
.topStats .ghost{padding:8px 10px;font-size:12px;border-radius:12px}
.hero{display:grid;grid-template-columns:1fr 280px;gap:14px;margin-bottom:14px;align-items:stretch}
.heroText,.heroCard,.card,.gamePanel,.miniCard{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.heroText{padding:24px 26px 22px;position:relative;overflow:hidden}
.heroText:after{content:"⌨️";position:absolute;right:20px;bottom:-4px;font-size:76px;opacity:.065}
.kicker{display:inline-flex;border:1px solid #bfdbfe;background:var(--blue-soft);color:#1d4ed8;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:950;margin-bottom:10px}
.hero h2{font-size:28px;line-height:1.22;margin:0 0 8px;letter-spacing:-.045em}
.hero p{font-size:14px;line-height:1.55;color:var(--muted);margin:0;max-width:760px}
.heroCard{padding:20px;display:flex;flex-direction:column;justify-content:center;gap:9px;background:linear-gradient(135deg,#fff,#eff6ff)}
.heroCard b{font-size:15px}.heroCard span{font-size:20px;font-weight:950;letter-spacing:-.035em}.heroCard small{font-size:12px;color:var(--muted);line-height:1.45}
.setup{display:grid;grid-template-columns:1.05fr .95fr .72fr;gap:14px;align-items:start}
.setupCard{padding:16px;overflow:hidden}.setupCard.slim{position:sticky;top:14px}
.sectionTitle{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}.sectionTitle>span{min-width:30px;height:30px;border-radius:10px;background:var(--blue-soft);color:#1d4ed8;font-weight:950;display:flex;align-items:center;justify-content:center;font-size:13px}.sectionTitle h3{font-size:17px;margin:0;letter-spacing:-.035em}.sectionTitle p{font-size:11px;color:var(--muted);margin:3px 0 0;line-height:1.35}
.selectors{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
label{font-size:12px;font-weight:850;color:#344054;display:block}select,input[type="text"]{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;margin-top:7px;outline:none;padding:12px 12px}input[type="hidden"]{display:none}
.courseOptions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.courseBtn{min-height:78px;border-radius:16px;background:#fff;border:1px solid var(--line);padding:11px;text-align:left;transition:.16s;position:relative;overflow:hidden}.courseBtn:hover{transform:translateY(-1px);box-shadow:var(--soft)}.courseBtn.active{border-color:var(--blue);background:linear-gradient(135deg,#eff6ff,#fff)}.courseBtn b{display:block;font-size:14px;letter-spacing:-.025em}.courseBtn small{display:block;color:var(--muted);font-size:11px;line-height:1.35;margin-top:5px}.courseBtn em{font-style:normal;font-size:11px;color:#1d4ed8;font-weight:950;display:block;margin-top:6px}
.selectedBox{margin-top:13px;border:1px dashed #cbd5e1;border-radius:18px;background:#f8fbff;padding:12px}.selectedBox b{font-size:13px}.selectedChip{display:inline-flex;align-items:center;gap:6px;margin:8px 6px 0 0;padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:850}.selectedChip button{background:transparent;color:#94a3b8;font-weight:950}.countLine{font-size:12px;color:var(--muted);line-height:1.45;margin-top:10px}
.modeOptions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px}.modeBtn{min-height:126px;border-radius:22px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);padding:12px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;transition:.16s;overflow:hidden}.modeBtn:hover{transform:translateY(-2px);box-shadow:var(--soft)}.modeBtn.active{border-color:var(--blue);background:linear-gradient(180deg,#eff6ff,#fff);box-shadow:0 14px 30px rgba(37,99,235,.14)}.modeEmoji{font-size:66px;line-height:1;width:100%;filter:drop-shadow(0 8px 12px rgba(15,23,42,.12))}.modeBtn b{font-size:15px;letter-spacing:-.025em}.modeHint{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.45;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:12px}
.difficultyOptions{display:grid;grid-template-columns:1fr;gap:8px;margin:8px 0 12px}.difficultyBtn{width:100%;min-height:54px;border-radius:16px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;transition:.16s}.difficultyBtn:hover{transform:translateY(-1px);box-shadow:var(--soft)}.difficultyBtn.active{border-color:var(--blue);background:linear-gradient(135deg,#eff6ff,#fff);box-shadow:0 12px 24px rgba(37,99,235,.12)}.difficultyBtn span{font-size:19px}.difficultyBtn b{font-size:15px;letter-spacing:-.02em}.difficultySummary{background:#f8fafc;border:1px solid var(--line);border-radius:15px;padding:10px 11px;font-size:12px;color:#475467;line-height:1.45}.difficultySummary b{color:#111827}.toggleBox{display:grid;gap:8px;margin-top:10px}.compactToggles{grid-template-columns:1fr 1fr 1fr}.toggleBox label{display:flex;align-items:center;justify-content:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:9px 6px;color:#344054;font-size:11px}
.wide{width:100%}.startBig{padding:18px 22px;margin-top:12px;font-size:20px;border-radius:20px;letter-spacing:-.03em}.gameStart{min-width:200px;margin-top:0}
.gamePanel{padding:18px;margin-top:18px}.gameHeader{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:12px}.backBtn{background:transparent;color:var(--blue);font-weight:950;padding:0;margin-bottom:8px}.gameHeader h2{margin:0;font-size:24px;letter-spacing:-.045em}.gameHeader p{margin:5px 0 0;color:var(--muted);font-size:12px}.gameActions{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end;align-items:center}.teacherCode{padding:12px;border-radius:16px;background:#f8fafc;border:1px dashed #cbd5e1;margin-bottom:12px;font-size:12px;color:#344054;word-break:break-all}
.hud{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-bottom:12px}.hud>div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;text-align:center}.hud span{display:block;font-size:11px;color:var(--muted);font-weight:850}.hud b{display:block;margin-top:2px;font-size:20px;letter-spacing:-.03em;color:#111827}
.playArea{position:relative;border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%);overflow:hidden;min-height:600px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.8)}#gameCanvas{width:100%;height:600px;display:block;background:transparent}.centerMsg{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%) scale(.96);padding:16px 22px;border-radius:22px;background:rgba(255,255,255,.95);border:1px solid var(--line);box-shadow:0 22px 55px rgba(15,23,42,.16);font-size:28px;font-weight:950;letter-spacing:-.04em;opacity:0;pointer-events:none;transition:.18s;max-width:88%;text-align:center}.centerMsg.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.inputRow{display:grid;grid-template-columns:1fr 128px;gap:10px;margin-top:12px}.inputRow input{font-size:24px;padding:16px 18px;border-radius:18px;border:1px solid var(--line);box-shadow:0 10px 22px rgba(15,23,42,.05);outline:none}.inputRow input:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.11)}.inputRow .primary{font-size:18px;border-radius:18px}
.trainer{position:absolute;inset:0;padding:26px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);z-index:4;display:flex;flex-direction:column;gap:16px}.trainerTop{display:flex;justify-content:space-between;gap:12px;align-items:center}.trainerTop b{font-size:24px;letter-spacing:-.05em}.trainerTop p{margin:5px 0 0;color:var(--muted)}.targetText{border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--soft);padding:28px;font-size:34px;line-height:1.55;font-weight:950;letter-spacing:.01em;min-height:138px}.targetText .ok{color:#16a34a;background:#dcfce7}.targetText .bad{color:#ef4444;background:#fee2e2}.targetText .now{color:#2563eb;text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}.meaningGlow{border:1px solid var(--line);border-radius:20px;background:#f1f5f9;padding:22px;font-size:25px;line-height:1.55;font-weight:900;min-height:88px;overflow:hidden}.meaningGlow #meaningDim{color:#94a3b8}.meaningGlow #meaningLit{color:#111827;text-shadow:0 0 18px rgba(37,99,235,.24)}.keyboardView{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}.keyCap{height:48px;border-radius:12px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:950}.keyCap.active{background:#dbeafe;border-color:#60a5fa;color:#1d4ed8}.trainerStats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.trainerStats>div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;text-align:center}.trainerStats span{display:block;font-size:12px;color:var(--muted);font-weight:850}.trainerStats b{display:block;font-size:22px;margin-top:4px}
.belowGrid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:12px;margin-top:12px}.miniCard{padding:14px}.miniCard h3{font-size:15px;margin:0 0 10px;letter-spacing:-.03em}.legendItem{display:inline-flex;align-items:center;gap:6px;margin:4px 5px 4px 0;padding:7px 9px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:850}.legendDot{width:12px;height:12px;border-radius:999px;display:inline-block}.comboCell{display:inline-flex;width:49px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;margin:3px;align-items:center;justify-content:center;flex-direction:column;font-size:11px;font-weight:900}.comboCell.on{background:#eff6ff;border-color:#60a5fa;color:#1d4ed8}.reportLine{font-size:12px;color:#475467;line-height:1.55}.reportLine b{color:#111827}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.28);display:flex;align-items:center;justify-content:center;z-index:20;padding:20px}.modalBox{width:min(620px,100%);background:#fff;border-radius:26px;box-shadow:0 22px 55px rgba(15,23,42,.16);padding:24px;border:1px solid var(--line)}.modalBox h2{margin:0 0 12px;font-size:26px;letter-spacing:-.04em}.resultGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.resultGrid>div{border:1px solid var(--line);border-radius:16px;background:#f8fafc;padding:14px;text-align:center}.resultGrid span{display:block;font-size:12px;color:var(--muted);font-weight:850}.resultGrid b{display:block;font-size:24px;margin-top:4px}.modalBox p{color:#475467;line-height:1.55}.modalActions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
@media(max-width:1100px){.setup{grid-template-columns:1fr}.setupCard.slim{position:static}.hero{grid-template-columns:1fr}.heroCard{display:none}.hud{grid-template-columns:repeat(4,1fr)}.belowGrid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.courseOptions{grid-template-columns:1fr}.selectors{grid-template-columns:1fr}.difficultyOptions{grid-template-columns:repeat(5,1fr)}.difficultyBtn{flex-direction:column;justify-content:center;text-align:center;min-height:74px}.modeOptions{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:720px){.app{padding:14px}.hero h2{font-size:24px}.heroText{padding:22px}.topStats .ghost:nth-of-type(n+3){display:none}.hud{grid-template-columns:repeat(2,1fr)}.targetText{font-size:24px;padding:18px}.meaningGlow{font-size:20px}.inputRow{grid-template-columns:1fr}.inputRow input{font-size:20px}.resultGrid{grid-template-columns:1fr}.modeOptions{grid-template-columns:repeat(2,minmax(0,1fr))}.modeEmoji{font-size:58px}.modeBtn{min-height:112px}.difficultyOptions{grid-template-columns:repeat(2,1fr)}.compactToggles{grid-template-columns:1fr}.gameHeader{align-items:stretch;flex-direction:column}.gameActions{width:100%}.gameActions>*{flex:1}.gameStart{min-width:0;width:100%}}


/* v17 inherited refinement */
.topbar{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:24px;padding:14px 16px;box-shadow:0 10px 28px rgba(22,37,69,.07)}
h1{font-size:26px;letter-spacing:-.035em}.brand p{font-size:12px;line-height:1.35}.topStats{gap:7px}.progressMenu{position:relative}.progressMenu summary{list-style:none;user-select:none}.progressMenu summary::-webkit-details-marker{display:none}.progressPanel{position:absolute;right:0;top:calc(100% + 8px);z-index:30;width:170px;padding:8px;border:1px solid var(--line);border-radius:16px;background:white;box-shadow:var(--hard);display:grid;gap:7px}.progressPanel .ghost{width:100%;justify-content:center;font-size:12px;padding:9px 8px}.hero{grid-template-columns:1fr 250px;margin-bottom:14px}.heroText{padding:22px 24px}.heroText:after{font-size:68px}.kicker{font-size:11px;margin-bottom:8px}.hero h2{font-size:22px;line-height:1.25;letter-spacing:-.035em;margin-bottom:5px}.hero p{font-size:13px;line-height:1.45}.heroCard{padding:17px}.heroCard span{font-size:18px}.sectionTitle h3{font-size:16px}.sectionTitle p{font-size:11px}.courseBtn small,.modeHint{font-size:11px}.modeBtn{min-height:132px}.modeEmoji{font-size:72px}.modeBtn b{font-size:15px}.difficultyOptions{gap:7px}.difficultyBtn{min-height:50px;justify-content:center;text-align:center}.difficultyBtn b{font-size:14px}.difficultySummary{font-size:12px;line-height:1.45;color:var(--muted);background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:10px}.startBig{font-size:20px;border-radius:20px;padding:18px 34px}.gameStart{min-width:230px}.wide.startBig{width:100%;padding:19px 18px}.inputRow{grid-template-columns:1fr 150px}.inputRow .primary{font-size:18px;font-weight:950}.targetText{font-size:36px}.meaningGlow{font-size:26px}.centerMsg{white-space:pre-line}
@media(max-width:1100px){.hero{grid-template-columns:1fr}.progressPanel{right:auto;left:0}.gameStart{min-width:0}}
@media(max-width:640px){h1{font-size:23px}.brand p{font-size:11px}.hero h2{font-size:20px}.modeEmoji{font-size:64px}.gameActions{width:100%}.gameStart{width:100%}.inputRow{grid-template-columns:1fr}.progressPanel{left:0;right:auto}}

/* v17 final overrides */
h1 em{font-style:normal;font-size:17px;color:var(--blue);margin-left:6px;vertical-align:baseline}.compactToggle{grid-template-columns:1fr 1fr 1fr}.difficultyBtn{justify-content:center;text-align:center}.difficultyBtn .difficultyMark{font-size:21px;min-width:24px}.difficultyBtn b{font-size:15px}.hero h2{font-size:22px;line-height:1.25}.hero p{font-size:13px;line-height:1.45}.modeBtn{min-height:132px}.modeEmoji{font-size:72px}.modeBtn b{font-size:15px}.startButton{min-width:230px;padding:18px 42px;font-size:20px;border-radius:20px}.bigStart{padding:19px 18px;font-size:20px;border-radius:20px}.targetText{font-size:36px}.meaningGlow{font-size:26px}.inputRow .primary{font-size:18px;font-weight:950}
@media(max-width:720px){h1 em{display:inline;font-size:14px}.compactToggle{grid-template-columns:1fr}.startButton{width:100%;min-width:0}.modeEmoji{font-size:64px}.hero h2{font-size:20px}.targetText{font-size:24px}.meaningGlow{font-size:20px}}

/* v17 UI polish: cleaner hierarchy, shorter first screen, improved game readability */
:root{--hard:0 20px 50px rgba(15,23,42,.12);--mint:#10b981;--rose:#fb7185;--cyan:#06b6d4}
.app{max-width:1180px;padding:18px 18px 28px}
.topbar{border-radius:24px;padding:13px 15px;margin-bottom:14px;background:rgba(255,255,255,.92)}
.logo{width:50px;height:50px;border-radius:17px;font-size:28px;background:linear-gradient(135deg,#e0f2fe,#fff,#dcfce7)}
.brand h1{font-size:25px;line-height:1;letter-spacing:-.04em}
.brand h1 em{font-style:normal;font-size:15px;color:#2563eb;margin-left:6px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:3px 8px;vertical-align:middle}
.brand p{font-size:11px;margin-top:4px;color:#667085}.pill{font-size:11px;padding:7px 10px}.progressPanel{width:186px;box-shadow:var(--hard)}
.hero{grid-template-columns:minmax(0,1fr) 260px;gap:12px;margin-bottom:12px}
.heroText{padding:18px 21px 17px;border-radius:22px}.heroText:after{font-size:62px;right:18px;bottom:-8px}.kicker{font-size:10px;padding:5px 8px;margin-bottom:8px}.hero h2{font-size:22px;line-height:1.24;margin:0 0 5px}.hero p{font-size:12.5px;line-height:1.42}.heroCard{border-radius:22px;padding:16px}.heroCard span{font-size:17px}.heroCard small{font-size:11.5px}.quickPath{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.quickPath span{font-size:11px;font-weight:900;color:#1d4ed8;background:#eff6ff;border:1px solid #dbeafe;border-radius:999px;padding:6px 9px}
.setup{grid-template-columns:minmax(0,1.18fr) minmax(310px,.82fr);gap:12px}.setupCard{padding:15px;border-radius:22px}.setupCard:nth-child(1){grid-row:1/3}.setupCard.slim{position:relative;top:auto}.sectionTitle{margin-bottom:10px}.sectionTitle>span{min-width:28px;height:28px;font-size:14px}.sectionTitle h3{font-size:15.5px}.sectionTitle p{font-size:10.5px;line-height:1.35}.selectors{gap:8px}.selectors label,label{font-size:11px}.selectors select,select{min-height:41px;border-radius:14px;font-size:13px;padding:8px 10px}.courseOptions{gap:8px;max-height:360px;overflow:auto;padding-right:2px}.courseOptions::-webkit-scrollbar{width:8px}.courseOptions::-webkit-scrollbar-thumb{background:#dbeafe;border-radius:999px}.courseBtn{min-height:68px;border-radius:15px;padding:10px}.courseBtn b{font-size:13.2px}.courseBtn small{font-size:10.3px;margin-top:4px}.courseBtn em{font-size:10px;margin-top:4px}.selectedBox{border-radius:16px;padding:11px}.selectedBox>b{font-size:12px}.selectedChip{font-size:11px}.countLine{font-size:11.5px}.modeOptions{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.modeBtn{min-height:116px;border-radius:20px;padding:10px;background:linear-gradient(180deg,#fff,#f9fbff)}.modeEmoji{font-size:68px;line-height:.95}.modeBtn b{font-size:14px;line-height:1.15}.difficultyOptions{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.difficultyBtn{min-height:76px;flex-direction:column;gap:6px;padding:9px 5px;border-radius:17px}.difficultyBtn .difficultyMark{font-size:25px}.difficultyBtn b{font-size:13px}.difficultySummary{font-size:11.5px;padding:9px 10px}.compactToggle{grid-template-columns:repeat(3,1fr)}.toggleBox label{font-size:11px;padding:8px 6px}.bigStart{width:100%;font-size:22px;padding:20px 18px;border-radius:22px;margin-top:12px;box-shadow:0 16px 32px rgba(37,99,235,.24)}
.gamePanel{border-radius:26px;padding:16px}.gameHeader h2{font-size:26px}.gameHeader p{font-size:12.5px}.startButton{min-width:260px;padding:19px 46px;font-size:22px}.hud{gap:8px}.hud div{border-radius:15px;padding:9px 10px}.hud span{font-size:10.5px}.hud b{font-size:18px}.playArea{border-radius:22px}#gameCanvas{height:min(58vh,600px);min-height:430px}.inputRow{grid-template-columns:1fr 160px;gap:10px}.inputRow input{font-size:22px;padding:18px 18px;border-radius:20px}.inputRow .primary{border-radius:20px;font-size:19px}.belowGrid{grid-template-columns:.8fr 1fr 1.2fr;gap:10px}.miniCard{border-radius:20px;padding:14px}.miniCard h3{font-size:14px;margin-bottom:9px}.legendItem{font-size:11px}.targetText{font-size:38px;line-height:1.75}.meaningGlow{font-size:27px;line-height:1.65}.trainerTop b{font-size:18px}.trainerTop p{font-size:12px}.centerMsg{font-size:32px;text-align:center;max-width:90%;left:50%;transform:translate(-50%,-50%)}
@media(max-width:1050px){.hero{grid-template-columns:1fr}.heroCard{display:flex}.setup{grid-template-columns:1fr}.setupCard:nth-child(1){grid-row:auto}.difficultyOptions{grid-template-columns:repeat(5,1fr)}.belowGrid{grid-template-columns:1fr}.startButton{width:100%;min-width:0}.gameActions{min-width:260px}.topbar{flex-direction:column;align-items:stretch}.topStats{justify-content:flex-start}}
@media(max-width:740px){.app{padding:12px}.brand h1{font-size:22px}.brand p{display:none}.hero h2{font-size:19px}.heroText{padding:16px}.heroCard{display:none}.courseOptions{grid-template-columns:1fr;max-height:none}.modeOptions{grid-template-columns:repeat(2,minmax(0,1fr))}.modeBtn{min-height:104px}.modeEmoji{font-size:58px}.difficultyOptions{grid-template-columns:repeat(2,1fr)}.compactToggle{grid-template-columns:1fr}.inputRow{grid-template-columns:1fr}.hud{grid-template-columns:repeat(2,1fr)}#gameCanvas{min-height:360px}.targetText{font-size:27px}.meaningGlow{font-size:22px}}

/* v17 language-first desktop UI */
.languageGate{display:grid;gap:18px;margin:12px 0 18px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:28px;min-height:420px;align-content:center}
.gateIntro{text-align:center;max-width:760px;margin:0 auto}.gateIntro h2{font-size:36px;line-height:1.15;margin:0 0 10px;letter-spacing:-.055em}.gateIntro p{font-size:15px;color:var(--muted);line-height:1.55;margin:0}.languageCards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:900px;margin:0 auto;width:100%}.languageCard{min-height:230px;border-radius:30px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#f8fbff);box-shadow:var(--soft);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;transition:.18s;padding:28px}.languageCard:hover{transform:translateY(-3px);box-shadow:var(--hard);border-color:#93c5fd}.languageCard .bigIcon{font-size:86px;line-height:1;filter:drop-shadow(0 12px 18px rgba(15,23,42,.12))}.languageCard b{font-size:30px;letter-spacing:-.055em}.languageCard small{font-size:14px;color:#667085}.languageCard.korean{background:linear-gradient(135deg,#fff,#f8fafc,#eff6ff)}.languageCard.english{background:linear-gradient(135deg,#fff,#f8fafc,#ecfdf5)}
.app[data-lang="ko"] .logo{background:linear-gradient(135deg,#eff6ff,#fff,#fee2e2)}.app[data-lang="en"] .logo{background:linear-gradient(135deg,#eff6ff,#fff,#dcfce7)}
.setup{align-items:start}.modeOptions{grid-template-columns:repeat(3,minmax(0,1fr))}.modeBtn{min-height:132px}.modeEmoji{font-size:76px}.modeBtn b{font-size:15px}.courseBtn small{min-height:28px}.targetText{word-break:break-all}.meaningGlow{word-break:keep-all}.centerMsg{word-break:keep-all}.playArea{min-height:520px}#gameCanvas{height:560px}.inputRow input{font-size:24px}
@media(max-width:900px){.languageCards{grid-template-columns:1fr}.languageGate{padding:22px}.gateIntro h2{font-size:28px}.languageCard{min-height:180px}.languageCard .bigIcon{font-size:72px}.languageCard b{font-size:26px}.modeOptions{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* v17 polish: PC-first, calmer Korean mode, clearer visual hierarchy */
:root{
  --blue:#2f6df6;
  --blue-deep:#1d4ed8;
  --sky:#eaf3ff;
  --paper:#ffffff;
  --shadow:0 18px 48px rgba(22,37,69,.10);
  --hard:0 28px 70px rgba(22,37,69,.16);
}
html{min-width:1120px;}
body{min-width:1120px;background:
  radial-gradient(circle at 10% 4%, rgba(219,234,254,.92), transparent 25%),
  radial-gradient(circle at 86% 7%, rgba(220,252,231,.78), transparent 24%),
  linear-gradient(180deg,#ffffff 0%,#f7fbff 46%,#eef6ff 100%);
}
body:before{opacity:.34;background-size:34px 34px;}
.app{max-width:1240px;padding:18px 20px 34px;}
.topbar{position:sticky;top:12px;z-index:15;border-radius:28px;background:rgba(255,255,255,.82);box-shadow:0 14px 36px rgba(22,37,69,.09);backdrop-filter:blur(16px)}
.logo{background:linear-gradient(135deg,#dbeafe,#ffffff,#dcfce7);box-shadow:inset 0 0 0 1px rgba(255,255,255,.9), 0 10px 24px rgba(37,99,235,.12)}
.brand h1{font-size:28px;letter-spacing:-.055em}.brand h1 em{background:linear-gradient(135deg,#eff6ff,#fff);border-color:#dbeafe;color:#1d4ed8}
.pill{background:rgba(255,255,255,.92);border-color:#e7eef9}
.languageGate{min-height:500px;border-radius:34px;padding:38px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,251,255,.94));box-shadow:0 28px 80px rgba(22,37,69,.12);position:relative;overflow:hidden}
.languageGate:before{content:"";position:absolute;inset:18px;border:1px solid rgba(219,234,254,.72);border-radius:28px;pointer-events:none}
.gateIntro h2{font-size:40px;letter-spacing:-.07em}.gateIntro p{font-size:14px;color:#5f6f85}
.languageCards{max-width:820px;gap:22px;position:relative;z-index:1}
.languageCard{min-height:250px;border-radius:34px;border:1px solid #e3ebf7;background:#fff;box-shadow:0 18px 50px rgba(22,37,69,.10);isolation:isolate;position:relative;overflow:hidden}
.languageCard:before{content:"";position:absolute;inset:auto -30px -40px auto;width:180px;height:180px;border-radius:999px;background:rgba(59,130,246,.09);z-index:-1}
.languageCard.korean:before{background:rgba(239,68,68,.07)}
.languageCard.english:before{background:rgba(16,185,129,.09)}
.languageCard:hover{transform:translateY(-5px);box-shadow:0 26px 68px rgba(22,37,69,.16)}
.languageCard .typeGlyph{width:118px;height:118px;border-radius:34px;display:flex;align-items:center;justify-content:center;font-size:76px;font-weight:950;letter-spacing:-.08em;background:linear-gradient(135deg,#eff6ff,#ffffff);color:#1d4ed8;border:1px solid #dbeafe;box-shadow:0 18px 30px rgba(37,99,235,.14)}
.languageCard .typeGlyph.latin{font-size:62px;color:#059669;background:linear-gradient(135deg,#ecfdf5,#ffffff);border-color:#bbf7d0}
.languageCard b{font-size:30px;letter-spacing:-.06em}.languageCard small{font-size:13px;color:#64748b;font-weight:800}
.heroText,.heroCard,.card,.gamePanel,.miniCard{border-color:#e5edf8;box-shadow:0 16px 42px rgba(22,37,69,.08)}
.heroText{border-radius:28px;background:linear-gradient(135deg,#fff,#f8fbff)}
.heroText:after{opacity:.09}.quickPath span{background:#f0f7ff;border-color:#dceafe}
.setup{grid-template-columns:1.13fr .97fr .70fr;gap:16px}.setupCard{border-radius:26px;padding:18px}.setupCard:nth-child(1){background:linear-gradient(180deg,#fff,#fbfdff)}
.sectionTitle>span{background:#edf5ff;color:#1d4ed8;border:1px solid #dbeafe}.sectionTitle h3{font-size:16px}.sectionTitle p{color:#667085}
.courseOptions{max-height:390px;overflow:auto;padding-right:4px}.courseBtn{border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff)}.courseBtn.active{background:linear-gradient(135deg,#eef6ff,#fff);box-shadow:0 12px 28px rgba(37,99,235,.10)}
.modeOptions{gap:11px}.modeBtn{min-height:128px;border-radius:26px;background:linear-gradient(180deg,#fff,#f9fbff);box-shadow:0 8px 20px rgba(22,37,69,.04)}.modeBtn.active{box-shadow:0 18px 42px rgba(37,99,235,.16)}.modeEmoji{font-size:74px}.modeBtn b{font-size:16px}
.difficultyOptions{gap:9px}.difficultyBtn{border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdff)}.difficultyBtn.active{background:linear-gradient(135deg,#eef6ff,#fff)}
.bigStart,.startButton{background:linear-gradient(135deg,#2563eb,#5b5ce2);box-shadow:0 18px 38px rgba(37,99,235,.26)}
.bigStart:hover,.startButton:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(37,99,235,.30)}
.hiddenSetting{display:none!important}.ttsSetting.disabled{opacity:.45;pointer-events:none}
.app[data-lang="ko"] .compactToggle{grid-template-columns:1fr 1fr}.app[data-lang="ko"] .heroText:after{content:"가";font-weight:950;color:#2563eb;font-family:system-ui,sans-serif}.app[data-lang="en"] .heroText:after{content:"Aa";font-weight:950;color:#16a34a;font-family:system-ui,sans-serif}
.gamePanel{border-radius:30px;background:linear-gradient(180deg,#fff,#f8fbff)}.gameHeader h2{font-size:28px}.gameActions{align-items:center}.startButton{min-width:280px}
.hud{grid-template-columns:repeat(8,minmax(0,1fr));gap:9px}.hud>div{background:linear-gradient(180deg,#fff,#f8fbff);border-radius:18px}.hud b{font-size:21px}
.playArea{border-radius:28px;min-height:610px;background:#fff;box-shadow:inset 0 0 0 1px #fff, 0 14px 34px rgba(22,37,69,.06)}#gameCanvas{height:610px}.centerMsg{border-radius:26px;font-size:34px;box-shadow:0 28px 70px rgba(22,37,69,.17)}
.inputRow input{font-size:26px;border-radius:22px}.inputRow .primary{border-radius:22px}
.trainer{padding:30px;background:linear-gradient(180deg,#fff,#f8fbff)}.targetText{font-size:39px;border-radius:26px}.meaningGlow{font-size:28px;border-radius:24px;background:#f4f7fb}
.belowGrid{grid-template-columns:.88fr 1fr 1.15fr}.miniCard{border-radius:24px;background:linear-gradient(180deg,#fff,#fbfdff)}


/* v17 stage progression */
.stageOverview{display:flex;align-items:center;gap:12px;border:1px solid #dbeafe;background:linear-gradient(135deg,#f8fbff,#ffffff);border-radius:18px;padding:12px;margin:10px 0 12px;box-shadow:0 10px 24px rgba(37,99,235,.06)}
.stageBadge{width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,#2563eb,#60a5fa);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 12px 22px rgba(37,99,235,.22)}
.stageBadge b{font-size:25px;line-height:1}.stageBadge span{font-size:11px;font-weight:900;opacity:.92}.stageInfo{min-width:0}.stageInfo b{font-size:14px;color:#0f172a}.stageInfo p{margin:4px 0 3px;font-size:12px;color:#334155;font-weight:800;line-height:1.35}.stageInfo small{display:block;font-size:11px;color:#64748b;line-height:1.35}.modalActions .hidden{display:none!important}.hud{grid-template-columns:repeat(10,minmax(0,1fr))}.hud div span{white-space:nowrap}@media(max-width:1100px){.hud{grid-template-columns:repeat(5,1fr)}}
.stageProgress{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:10px 0 14px;border:1px solid #dbeafe}
.stageProgressBar{height:100%;width:0%;background:linear-gradient(90deg,#2563eb,#22c55e);transition:width .22s ease}

/* v17 stage map and progression UI */
.stageInfo{display:flex;align-items:center;gap:12px;border:1px solid #dbeafe;background:linear-gradient(135deg,#f8fbff,#ffffff);border-radius:18px;padding:12px;margin:10px 0 12px;box-shadow:0 10px 24px rgba(37,99,235,.06)}
.stageInfoText{min-width:0}.stageInfoText b{font-size:14px;color:#0f172a}.stageInfoText p{margin:4px 0 3px;font-size:12px;color:#334155;font-weight:800;line-height:1.35}.stageInfoText small{display:block;font-size:11px;color:#64748b;line-height:1.35}
.stageMap{display:grid;grid-template-columns:repeat(auto-fill,minmax(54px,1fr));gap:7px;max-height:170px;overflow:auto;padding:8px;margin:8px 0 12px;border:1px solid #e6eef8;border-radius:18px;background:#fff}
.stageDot{height:48px;border-radius:14px;border:1px solid #dbeafe;background:linear-gradient(180deg,#fff,#f8fbff);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;cursor:pointer;color:#0f172a;transition:.18s;box-shadow:0 4px 10px rgba(15,23,42,.04)}
.stageDot b{font-size:14px;font-weight:950}.stageDot small{height:12px;font-size:9px;color:#f59e0b;font-weight:900;letter-spacing:-.06em}.stageDot.active{border-color:#2563eb;background:linear-gradient(135deg,#eff6ff,#ffffff);box-shadow:0 10px 24px rgba(37,99,235,.16);transform:translateY(-1px)}.stageDot.cleared{border-color:#93c5fd}.stageDot.locked{opacity:.43;cursor:not-allowed;filter:grayscale(.45)}.stageMore{display:flex;align-items:center;justify-content:center;color:#64748b;font-size:12px;font-weight:900}
.stageInfoText{min-width:0}.stageInfoText b{font-size:14px;color:#0f172a}.stageInfoText p{margin:4px 0 3px;font-size:12px;color:#334155;font-weight:800;line-height:1.35}.stageInfoText small{display:block;font-size:11px;color:#64748b;line-height:1.35}

/* v18 one-screen game layout: 100-reviewer UX pass */
:root{--topbar-h:76px;--rail-w:286px;}
html,body{min-width:1180px;}
body.game-active{overflow:hidden;}
body.game-active .app{height:100vh;overflow:hidden;padding:18px 20px 16px;}
body.game-active .topbar{margin-bottom:12px;}
body.game-active .gamePanel{height:calc(100vh - 116px);margin-top:0;overflow:hidden;display:flex;flex-direction:column;padding:14px 16px 16px;border-radius:30px;}
.compactGameHeader{flex:0 0 auto;align-items:center;margin-bottom:10px;min-height:58px;}
.compactGameHeader h2{font-size:25px;line-height:1.05;}
.compactGameHeader p{font-size:12px;max-width:760px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gameHintChip{display:inline-flex;align-items:center;justify-content:center;border:1px solid #dbeafe;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:950;white-space:nowrap;box-shadow:0 8px 18px rgba(37,99,235,.08)}
.gameLayout{flex:1 1 auto;min-height:0;display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);gap:14px;align-items:stretch;}
.gameSideRail{min-height:0;border:1px solid #e5edf8;background:linear-gradient(180deg,#ffffff,#f8fbff);border-radius:26px;box-shadow:0 12px 28px rgba(22,37,69,.07);padding:12px;display:grid;grid-template-rows:auto auto auto 1fr;gap:10px;overflow:hidden;}
.sideBlock{border:1px solid #e4ebf5;background:rgba(255,255,255,.88);border-radius:20px;padding:10px;min-width:0;overflow:hidden;}
.sideBlockTitle{font-size:12px;font-weight:950;color:#334155;margin:0 0 8px;display:flex;align-items:center;gap:6px}.sideBlockTitle:before{content:"";width:7px;height:7px;border-radius:999px;background:#2563eb;display:inline-block;}
.gameSideRail .stageProgress{height:10px;margin:2px 0 9px;}
.gameSideRail .hud{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:7px;margin:0;}
.gameSideRail .hud>div{padding:8px 5px;border-radius:14px;background:linear-gradient(180deg,#fff,#f8fbff);}
.gameSideRail .hud span{font-size:10px;line-height:1.1;}
.gameSideRail .hud b{font-size:18px;line-height:1.15;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.compactItems #itemLegend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;}
.compactItems .legendItem{font-size:10.5px;line-height:1.15;padding:5px 6px;border-radius:10px;margin:0;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#f8fafc;border:1px solid #e5edf8;}
.compactItems .legendDot{width:7px;height:7px;margin-right:3px;}
.compactCombo #comboLadder{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;}
.compactCombo .comboCell{padding:5px 2px;border-radius:9px;font-size:10px;line-height:1.05;}
.compactCombo .comboCell small{display:none;}
.compactReport{min-height:0;}.compactReport #reportBox{display:grid;gap:6px;max-height:100%;overflow:hidden;}.compactReport .reportLine{font-size:11px;line-height:1.32;background:#f8fafc;border:1px solid #e5edf8;border-radius:11px;padding:7px;}
.gameMain{min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px;}
body.game-active .playArea{min-height:0;height:100%;border-radius:26px;}
body.game-active #gameCanvas{height:100%;min-height:0;}
body.game-active .trainer{height:100%;overflow:hidden;padding:22px;}
body.game-active .targetText{font-size:clamp(27px,3.0vw,44px);line-height:1.55;padding:24px 28px;}
body.game-active .meaningGlow{font-size:clamp(20px,2.1vw,30px);padding:20px 24px;}
.actionDock{grid-template-columns:minmax(0,1fr) 180px 120px 116px;margin-top:0;align-items:stretch;}
.actionDock input{height:72px;font-size:28px;border-radius:24px;}
.actionDock .primary,.actionDock .ghost{height:72px;border-radius:24px;font-size:20px;display:flex;align-items:center;justify-content:center;}
.actionDock .startButton{min-width:0;width:100%;font-size:24px;background:linear-gradient(135deg,#2563eb,#5b5ce2);box-shadow:0 18px 40px rgba(37,99,235,.28)}
.actionDock #submitBtn{font-size:18px;}.actionDock #pauseBtn{font-size:15px;}
.belowGrid{display:none!important;}
body.game-active .centerMsg{font-size:clamp(24px,3vw,38px)}
body.game-active .modal{z-index:100;}
@media(max-height:850px){
  body.game-active .topbar{padding:10px 14px;border-radius:23px}.logo{width:48px;height:48px;font-size:28px}.brand h1{font-size:25px}.brand p{font-size:11px}.topStats .pill,.topStats .ghost{padding:6px 9px}
  body.game-active .gamePanel{height:calc(100vh - 96px);padding:12px 14px;border-radius:26px}.compactGameHeader{min-height:50px;margin-bottom:8px}.compactGameHeader h2{font-size:22px}.compactGameHeader p{font-size:11px}.gameHintChip{font-size:11px;padding:7px 10px}.gameLayout{gap:10px;grid-template-columns:272px minmax(0,1fr)}.gameSideRail{padding:10px;gap:7px;border-radius:22px}.sideBlock{padding:8px;border-radius:17px}.sideBlockTitle{font-size:11px;margin-bottom:6px}.gameSideRail .hud{gap:5px}.gameSideRail .hud>div{padding:6px 4px;border-radius:12px}.gameSideRail .hud b{font-size:16px}.compactItems .legendItem{font-size:9.5px;padding:4px 5px}.compactReport .reportLine{font-size:10px;padding:5px}.compactCombo .comboCell{padding:4px 2px;font-size:9px}.actionDock{grid-template-columns:minmax(0,1fr) 170px 108px 104px;gap:8px}.actionDock input,.actionDock .primary,.actionDock .ghost{height:62px;border-radius:20px}.actionDock input{font-size:24px}.actionDock .startButton{font-size:22px}.targetText{font-size:clamp(24px,2.7vw,38px)!important}.meaningGlow{font-size:clamp(18px,1.9vw,26px)!important}
}
@media(max-height:720px){
  .compactItems,.compactCombo{display:none}.gameSideRail{grid-template-rows:auto 1fr}.compactReport .reportLine:nth-child(n+3){display:none}.actionDock input,.actionDock .primary,.actionDock .ghost{height:56px}.compactGameHeader p{display:none}
}

/* v18 reviewer-led one-screen game layout */
:root{
  --sidebar:240px;
  --game-gap:12px;
}
body.game-active{
  overflow:hidden;
}
body.game-active .app{
  max-width:1280px;
  height:100vh;
  padding:14px 18px 16px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
body.game-active .topbar{
  position:static;
  top:auto;
  margin:0;
  min-height:66px;
  padding:10px 14px;
  flex:0 0 auto;
  border-radius:24px;
  box-shadow:0 10px 28px rgba(22,37,69,.08);
}
body.game-active .logo{
  width:44px;
  height:44px;
  border-radius:15px;
  font-size:25px;
}
body.game-active .brand h1{
  font-size:24px;
}
body.game-active .brand p{
  font-size:11px;
  margin-top:2px;
}
body.game-active .pill,
body.game-active .topStats .ghost{
  padding:7px 10px;
  font-size:11px;
}
body.game-active .languageGate,
body.game-active .homeHero,
body.game-active .setup{
  display:none!important;
}
body.game-active .gamePanel{
  display:flex;
  flex:1 1 auto;
  min-height:0;
  height:auto;
  margin:0;
  padding:13px 14px 14px;
  overflow:hidden;
  border-radius:28px;
  background:linear-gradient(180deg,rgba(255,255,255,.98),#f8fbff);
  box-shadow:0 18px 54px rgba(22,37,69,.11);
  flex-direction:column;
}
body.game-active .compactGameHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:0 0 10px;
  flex:0 0 auto;
}
body.game-active .gameTitleBlock{
  min-width:0;
}
body.game-active .backBtn{
  font-size:12px;
  margin:0 0 3px;
}
body.game-active .gameHeader h2{
  font-size:23px;
  line-height:1.05;
  margin:0;
}
body.game-active .gameHeader p{
  font-size:11.5px;
  margin-top:4px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:820px;
}
body.game-active .compactActions{
  flex:0 0 auto;
}
body.game-active .pauseCompact{
  min-width:96px;
  border-radius:16px;
  padding:11px 15px;
  font-size:13px;
}
body.game-active .gameShell{
  display:grid;
  grid-template-columns:var(--sidebar) minmax(0,1fr);
  gap:var(--game-gap);
  flex:1 1 auto;
  min-height:0;
}
body.game-active .sideRail{
  min-width:0;
  min-height:0;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:9px;
  border:1px solid #dfe9f6;
  border-radius:24px;
  background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
  padding:11px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.9), 0 8px 20px rgba(22,37,69,.05);
}
body.game-active .sideLabel{
  font-size:12px;
  font-weight:950;
  letter-spacing:-.02em;
  color:#1d4ed8;
  background:#eff6ff;
  border:1px solid #dbeafe;
  border-radius:999px;
  padding:7px 10px;
  text-align:center;
}
body.game-active .hud{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:7px;
  margin:0;
}
body.game-active .hud>div{
  border-radius:16px;
  padding:8px 7px;
  min-width:0;
  background:linear-gradient(180deg,#fff,#f8fbff);
  border:1px solid #e3ebf7;
}
body.game-active .hud span{
  font-size:10px;
  letter-spacing:-.02em;
}
body.game-active .hud b{
  font-size:17px;
  line-height:1.1;
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
body.game-active .stageProgress{
  height:10px;
  margin:0;
  flex:0 0 auto;
}
body.game-active .sideCard{
  padding:10px;
  border-radius:18px;
  box-shadow:none;
  overflow:hidden;
  min-height:0;
}
body.game-active .sideCard h3{
  margin:0 0 6px;
  font-size:12px;
  color:#334155;
}
body.game-active .itemCard{
  flex:0 0 auto;
}
body.game-active .itemCard #itemLegend{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5px;
}
body.game-active .legendItem{
  margin:0;
  padding:5px 6px;
  border-radius:12px;
  font-size:10.5px;
  justify-content:flex-start;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
body.game-active .legendDot{
  width:9px;
  height:9px;
  flex:0 0 auto;
}
body.game-active .comboCard{
  flex:0 0 auto;
}
body.game-active .comboCard #comboLadder{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:4px;
}
body.game-active .comboCell{
  width:auto;
  height:32px;
  margin:0;
  border-radius:10px;
  font-size:10px;
}
body.game-active .comboCell small{
  font-size:8px;
}
body.game-active .reportCard{
  flex:1 1 auto;
}
body.game-active .reportLine{
  font-size:11px;
  line-height:1.45;
  margin-bottom:3px;
}
body.game-active .gameMain{
  min-width:0;
  min-height:0;
  display:flex;
  flex-direction:column;
}
body.game-active .playArea{
  flex:1 1 auto;
  min-height:0;
  height:auto;
  border-radius:24px;
  overflow:hidden;
  background:#fff;
}
body.game-active #gameCanvas{
  width:100%;
  height:100%;
  min-height:0;
  display:block;
}
body.game-active .centerMsg{
  font-size:clamp(24px,2.5vw,34px);
}
body.game-active .actionInputRow{
  display:grid;
  grid-template-columns:minmax(0,1fr) 180px 112px;
  gap:10px;
  margin-top:10px;
  flex:0 0 auto;
}
body.game-active .actionInputRow input{
  font-size:23px;
  padding:17px 18px;
  border-radius:22px;
}
body.game-active .startNearInput{
  min-width:0;
  width:100%;
  padding:17px 18px;
  font-size:22px;
  border-radius:22px;
  box-shadow:0 18px 38px rgba(37,99,235,.25);
}
body.game-active .submitCompact{
  min-width:0;
  padding:17px 14px;
  font-size:18px;
  border-radius:22px;
}
body.game-active .belowGrid{
  display:none!important;
}
body.game-active .trainer{
  padding:20px;
  gap:12px;
  overflow:auto;
}
body.game-active .trainerTop b{
  font-size:20px;
}
body.game-active .trainerTop p{
  font-size:12px;
  margin-top:3px;
}
body.game-active .targetText{
  font-size:clamp(25px,2.75vw,36px);
  line-height:1.55;
  min-height:92px;
  padding:20px 24px;
  border-radius:24px;
}
body.game-active .meaningGlow{
  font-size:clamp(20px,2.1vw,27px);
  min-height:66px;
  padding:16px 20px;
  border-radius:22px;
}
body.game-active .keyboardView{
  gap:6px;
}
body.game-active .keyCap{
  height:38px;
  font-size:17px;
}
body.game-active .trainerStats{
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
body.game-active .trainerStats>div{
  padding:10px;
  border-radius:14px;
}
body.game-active .trainerStats b{
  font-size:18px;
}
body.game-active .modalBox{
  max-height:86vh;
  overflow:auto;
}
@media (max-width:1180px){
  :root{--sidebar:220px;}
  body.game-active .app{padding:10px 12px 12px;}
  body.game-active .gamePanel{padding:11px;}
  body.game-active .gameShell{gap:10px;}
  body.game-active .actionInputRow{grid-template-columns:minmax(0,1fr) 160px 100px;}
}

/* v18 UX: one-screen play layout based on reviewer-style visibility checks */
html{min-width:1180px;}
body.playing{overflow:hidden;}
.app.playing{max-width:1440px;height:100vh;overflow:hidden;padding:12px 16px 14px;}
.app.playing .topbar{display:none;}
.app.playing .gamePanel{display:flex;flex-direction:column;margin:0;min-height:calc(100vh - 26px);max-height:calc(100vh - 26px);padding:14px;border-radius:28px;background:linear-gradient(180deg,#ffffff,#f8fbff);}
.compactHeader{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:10px;padding:0 2px;}
.compactHeader .backBtn{margin:0 0 5px;font-size:13px;}
.compactHeader h2{font-size:24px!important;line-height:1.05;margin:0;letter-spacing:-.05em;}
.compactHeader p{font-size:12px!important;margin:5px 0 0;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:880px;}
.stageMini{min-width:150px;border:1px solid #dbeafe;border-radius:18px;background:#fff;padding:10px 14px;text-align:center;box-shadow:0 8px 20px rgba(37,99,235,.08);}
.stageMini span{display:block;font-size:11px;font-weight:900;color:#64748b;}
.stageMini b{display:block;margin-top:2px;font-size:20px;letter-spacing:-.04em;color:#1d4ed8;}
.gameWorkspace{display:grid;grid-template-columns:214px minmax(0,1fr);gap:12px;min-height:0;flex:1;}
.gameSideRail{display:flex;flex-direction:column;gap:8px;min-height:0;}
.gameMain{min-width:0;min-height:0;display:flex;flex-direction:column;}
.gameSideRail .hud{display:grid;grid-template-columns:1fr!important;gap:6px;margin:0;}
.gameSideRail .hud>div{display:flex;align-items:center;justify-content:space-between;text-align:left;border-radius:14px;padding:7px 10px;min-height:34px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #e2eaf5;}
.gameSideRail .hud span{font-size:10.5px;font-weight:900;color:#64748b;}
.gameSideRail .hud b{font-size:17px;line-height:1;margin:0;color:#0f172a;}
.sideMini{background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid #e2eaf5;border-radius:18px;padding:9px 10px;box-shadow:0 8px 18px rgba(22,37,69,.045);overflow:hidden;}
.sideMini h3{font-size:12px;letter-spacing:-.03em;margin:0 0 7px;color:#0f172a;}
.sideItems{max-height:122px;}
.sideItems .legendItem{display:inline-flex;margin:2px 2px 4px 0;padding:5px 6px;font-size:10.5px;border-radius:999px;gap:4px;}
.sideItems .legendDot{width:9px;height:9px;}
.sideCombo{max-height:104px;}
.sideCombo .comboCell{width:36px;height:31px;margin:2px;border-radius:10px;font-size:10px;}
.sideCombo .comboCell small{font-size:8px;}
.sideReport{flex:1;min-height:86px;}
.sideReport .reportLine{font-size:10.8px;line-height:1.42;color:#475569;}
.app.playing .stageProgress{height:9px;margin:0 0 9px;flex:0 0 auto;border-radius:999px;}
.app.playing .playArea{height:calc(100vh - 190px);min-height:430px;max-height:650px;flex:1;min-height:0;border-radius:26px;}
.app.playing #gameCanvas{height:100%;min-height:0;}
.inputDock{display:grid;grid-template-columns:minmax(0,1fr) 110px 184px 112px;gap:10px;margin-top:10px;flex:0 0 auto;}
.inputDock input{font-size:24px;padding:17px 18px;border-radius:22px;border:1px solid var(--line);box-shadow:0 10px 22px rgba(15,23,42,.05);outline:none;background:#fff;}
.inputDock input:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.11);}
.inputDock .primary,.inputDock .ghost{height:64px;border-radius:22px;font-size:18px;font-weight:950;display:flex;align-items:center;justify-content:center;}
.inputDock .startButton{font-size:22px;min-width:0;padding-left:10px;padding-right:10px;background:linear-gradient(135deg,#2563eb,#4f46e5);box-shadow:0 16px 32px rgba(37,99,235,.25);}
.inputDock .pauseButton{font-size:15px;background:#fff;}
.app.playing .belowGrid{display:none!important;}
.app.playing .trainer{padding:22px;gap:12px;}
.app.playing .trainerTop b{font-size:18px;}
.app.playing .trainerTop p{font-size:12px;}
.app.playing .targetText{font-size:34px;line-height:1.58;min-height:120px;padding:24px;border-radius:24px;}
.app.playing .meaningGlow{font-size:25px;line-height:1.5;min-height:78px;padding:18px 20px;border-radius:22px;}
.app.playing .trainerStats{gap:8px;}
.app.playing .trainerStats>div{padding:10px 12px;border-radius:14px;}
.app.playing .trainerStats b{font-size:20px;}
.app.playing .keyboardView{gap:6px;}
.app.playing .keyCap{height:40px;font-size:18px;border-radius:10px;}
.app.playing .centerMsg{font-size:30px;}
@media(max-height:780px){
  .app.playing .gamePanel{padding:12px;}
  .compactHeader h2{font-size:22px!important;}
  .compactHeader p{font-size:11px!important;}
  .stageMini{padding:8px 12px;min-width:134px;}
  .gameWorkspace{grid-template-columns:202px minmax(0,1fr);gap:10px;}
  .gameSideRail{gap:6px;}
  .gameSideRail .hud{gap:5px;}
  .gameSideRail .hud>div{min-height:30px;padding:6px 9px;}
  .gameSideRail .hud b{font-size:15px;}
  .sideMini{padding:8px 9px;}
  .sideItems{max-height:92px;}
  .sideReport{min-height:66px;}
  .app.playing .playArea{height:calc(100vh - 176px);min-height:390px;}
  .inputDock{grid-template-columns:minmax(0,1fr) 104px 170px 104px;margin-top:8px;}
  .inputDock input{font-size:22px;padding:15px 16px;}
  .inputDock .primary,.inputDock .ghost{height:58px;}
  .inputDock .startButton{font-size:21px;}
  .app.playing .targetText{font-size:30px;min-height:106px;padding:20px;}
  .app.playing .meaningGlow{font-size:22px;min-height:68px;padding:16px 18px;}
  .app.playing .trainerStats>div{padding:8px 10px;}
  .app.playing .keyCap{height:34px;font-size:16px;}
}

/* v18 one-screen play layout: 100-reviewer pass */
.app.playing{
  max-width:1440px;
  min-height:100vh;
  height:100vh;
  padding:12px 18px;
  overflow:hidden;
}
.app.playing .topbar{
  position:relative;
  top:auto;
  z-index:5;
  margin-bottom:10px;
  padding:10px 14px;
  border-radius:24px;
}
.app.playing .logo{width:42px;height:42px;border-radius:15px;font-size:24px}
.app.playing .brand h1{font-size:24px}
.app.playing .brand p{display:none}
.app.playing .pill{padding:7px 9px;font-size:11px}
.app.playing .progressMenu .ghost{padding:7px 10px}
.app.playing .gamePanel{
  margin-top:0;
  height:calc(100vh - 92px);
  padding:14px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:30px;
  background:linear-gradient(180deg,#ffffff,#f7fbff);
}
.compactGameHeader{
  flex:0 0 auto;
  margin-bottom:9px;
  align-items:center;
  padding:0 2px;
}
.compactGameHeader h2{font-size:24px;line-height:1.1}
.compactGameHeader p{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:900px}
.gameHintChip{
  border:1px solid #dbeafe;
  background:#eff6ff;
  color:#1d4ed8;
  border-radius:999px;
  padding:9px 12px;
  font-size:12px;
  font-weight:950;
  white-space:nowrap;
}
.gameLayout{
  flex:1 1 auto;
  min-height:0;
  display:grid;
  grid-template-columns:270px minmax(0,1fr);
  gap:14px;
}
.gameSideRail{
  min-height:0;
  overflow:hidden;
  border:1px solid #dbeafe;
  border-radius:26px;
  background:linear-gradient(180deg,#ffffff,#f8fbff);
  box-shadow:0 14px 34px rgba(22,37,69,.06);
  padding:10px;
  display:grid;
  grid-template-rows:auto auto auto auto;
  gap:9px;
}
.sideBlock{
  border:1px solid #e4ebf5;
  border-radius:20px;
  background:rgba(255,255,255,.92);
  padding:10px;
  overflow:hidden;
}
.sideBlockTitle{
  font-size:12px;
  color:#1d4ed8;
  font-weight:950;
  letter-spacing:-.02em;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.sideStage{padding-bottom:8px}
.gameSideRail .stageProgress{height:9px;margin:0 0 8px}
.gameSideRail .hud{
  display:grid!important;
  grid-template-columns:1fr 1fr!important;
  gap:7px;
  margin:0;
}
.gameSideRail .hud>div{
  border-radius:15px;
  padding:7px 6px;
  background:linear-gradient(180deg,#fff,#f8fbff);
}
.gameSideRail .hud span{font-size:10px;line-height:1.1}
.gameSideRail .hud b{font-size:18px;line-height:1.15;margin-top:2px}
.compactItems{max-height:96px}
.compactItems #itemLegend{display:flex;flex-wrap:wrap;gap:5px;align-content:flex-start}
.compactItems .legendItem{
  font-size:10px;
  padding:4px 6px;
  border-radius:999px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
  white-space:nowrap;
}
.compactCombo{max-height:132px}
.compactCombo #comboLadder{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:4px;
}
.compactCombo .comboCell{
  min-height:25px;
  border-radius:8px;
  padding:3px 2px;
  font-size:9px;
}
.compactCombo .comboCell small{display:block;font-size:8px;line-height:1.1}
.compactReport{min-height:0;max-height:150px}
.compactReport .reportLine{
  font-size:10.5px;
  line-height:1.35;
  color:#475569;
  margin:0 0 5px;
}
.gameMain{
  min-width:0;
  min-height:0;
  display:grid;
  grid-template-rows:minmax(0,1fr) auto;
  gap:10px;
}
.app.playing .playArea{
  min-height:0;
  height:100%;
  border-radius:28px;
  overflow:hidden;
}
.app.playing #gameCanvas{
  height:100%;
  width:100%;
}
.app.playing .trainer{
  height:100%;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.app.playing .trainer.hidden{display:none!important}
.app.playing .targetText{
  font-size:clamp(30px,3.1vw,42px);
  line-height:1.42;
  padding:28px 30px;
  margin:0;
  flex:0 0 auto;
}
.app.playing .meaningGlow{
  font-size:clamp(22px,2.4vw,31px);
  line-height:1.45;
  padding:22px 24px;
  margin:0;
  flex:0 0 auto;
}
.app.playing .trainerStats{
  margin-top:auto;
}
.actionDock{
  margin-top:0;
  display:grid;
  grid-template-columns:minmax(0,1fr) 188px 112px 112px;
  gap:10px;
  align-items:stretch;
}
.actionDock input{
  min-height:64px;
  font-size:24px;
  margin:0;
}
.actionDock .primary,
.actionDock .ghost{
  min-width:0;
  min-height:64px;
  border-radius:22px;
  font-size:20px;
  padding:0 16px;
}
.actionDock .startButton{
  font-size:24px;
  letter-spacing:-.04em;
  box-shadow:0 18px 38px rgba(37,99,235,.26);
}
.actionDock #submitBtn{font-size:18px}
.actionDock #pauseBtn{font-size:15px}
.app.playing .centerMsg{font-size:clamp(24px,3vw,36px)}
@media (max-height:760px){
  .app.playing{padding-top:9px;padding-bottom:9px}
  .app.playing .topbar{padding:8px 12px;margin-bottom:8px}
  .app.playing .gamePanel{height:calc(100vh - 78px);padding:12px;border-radius:26px}
  .compactGameHeader{margin-bottom:6px}
  .compactGameHeader h2{font-size:22px}
  .compactGameHeader p{font-size:11px}
  .gameLayout{grid-template-columns:258px minmax(0,1fr);gap:11px}
  .gameSideRail{padding:8px;gap:7px;border-radius:22px}
  .sideBlock{padding:8px;border-radius:17px}
  .gameSideRail .hud>div{padding:6px 5px}
  .gameSideRail .hud b{font-size:16px}
  .compactItems{max-height:82px}
  .compactCombo{max-height:108px}
  .compactReport{max-height:118px}
  .actionDock input,.actionDock .primary,.actionDock .ghost{min-height:58px}
}

/* v18 UX: one-screen play layout based on reviewer-style visibility checks */
html{min-width:1180px;}
body.playing{overflow:hidden;}
.app.playing{max-width:1440px;height:100vh;overflow:hidden;padding:12px 16px 14px;}
.app.playing .topbar{display:none;}
.app.playing .gamePanel{display:flex;flex-direction:column;margin:0;min-height:calc(100vh - 26px);max-height:calc(100vh - 26px);padding:14px;border-radius:28px;background:linear-gradient(180deg,#ffffff,#f8fbff);}
.compactHeader{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:10px;padding:0 2px;}
.compactHeader .backBtn{margin:0 0 5px;font-size:13px;}
.compactHeader h2{font-size:24px!important;line-height:1.05;margin:0;letter-spacing:-.05em;}
.compactHeader p{font-size:12px!important;margin:5px 0 0;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:880px;}
.stageMini{min-width:150px;border:1px solid #dbeafe;border-radius:18px;background:#fff;padding:10px 14px;text-align:center;box-shadow:0 8px 20px rgba(37,99,235,.08);}
.stageMini span{display:block;font-size:11px;font-weight:900;color:#64748b;}
.stageMini b{display:block;margin-top:2px;font-size:20px;letter-spacing:-.04em;color:#1d4ed8;}
.gameWorkspace{display:grid;grid-template-columns:214px minmax(0,1fr);gap:12px;min-height:0;flex:1;}
.gameSideRail{display:flex;flex-direction:column;gap:8px;min-height:0;}
.gameMain{min-width:0;min-height:0;display:flex;flex-direction:column;}
.gameSideRail .hud{display:grid;grid-template-columns:1fr!important;gap:6px;margin:0;}
.gameSideRail .hud>div{display:flex;align-items:center;justify-content:space-between;text-align:left;border-radius:14px;padding:7px 10px;min-height:34px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #e2eaf5;}
.gameSideRail .hud span{font-size:10.5px;font-weight:900;color:#64748b;}
.gameSideRail .hud b{font-size:17px;line-height:1;margin:0;color:#0f172a;}
.sideMini{background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid #e2eaf5;border-radius:18px;padding:9px 10px;box-shadow:0 8px 18px rgba(22,37,69,.045);overflow:hidden;}
.sideMini h3{font-size:12px;letter-spacing:-.03em;margin:0 0 7px;color:#0f172a;}
.sideItems{max-height:122px;}
.sideItems .legendItem{display:inline-flex;margin:2px 2px 4px 0;padding:5px 6px;font-size:10.5px;border-radius:999px;gap:4px;}
.sideItems .legendDot{width:9px;height:9px;}
.sideCombo{max-height:104px;}
.sideCombo .comboCell{width:36px;height:31px;margin:2px;border-radius:10px;font-size:10px;}
.sideCombo .comboCell small{font-size:8px;}
.sideReport{flex:1;min-height:86px;}
.sideReport .reportLine{font-size:10.8px;line-height:1.42;color:#475569;}
.app.playing .stageProgress{height:9px;margin:0 0 9px;flex:0 0 auto;border-radius:999px;}
.app.playing .playArea{height:calc(100vh - 190px);min-height:430px;max-height:650px;flex:1;min-height:0;border-radius:26px;}
.app.playing #gameCanvas{height:100%;min-height:0;}
.inputDock{display:grid;grid-template-columns:minmax(0,1fr) 110px 184px 112px;gap:10px;margin-top:10px;flex:0 0 auto;}
.inputDock input{font-size:24px;padding:17px 18px;border-radius:22px;border:1px solid var(--line);box-shadow:0 10px 22px rgba(15,23,42,.05);outline:none;background:#fff;}
.inputDock input:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.11);}
.inputDock .primary,.inputDock .ghost{height:64px;border-radius:22px;font-size:18px;font-weight:950;display:flex;align-items:center;justify-content:center;}
.inputDock .startButton{font-size:22px;min-width:0;padding-left:10px;padding-right:10px;background:linear-gradient(135deg,#2563eb,#4f46e5);box-shadow:0 16px 32px rgba(37,99,235,.25);}
.inputDock .pauseButton{font-size:15px;background:#fff;}
.app.playing .belowGrid{display:none!important;}
.app.playing .trainer{padding:22px;gap:12px;}
.app.playing .trainerTop b{font-size:18px;}
.app.playing .trainerTop p{font-size:12px;}
.app.playing .targetText{font-size:34px;line-height:1.58;min-height:120px;padding:24px;border-radius:24px;}
.app.playing .meaningGlow{font-size:25px;line-height:1.5;min-height:78px;padding:18px 20px;border-radius:22px;}
.app.playing .trainerStats{gap:8px;}
.app.playing .trainerStats>div{padding:10px 12px;border-radius:14px;}
.app.playing .trainerStats b{font-size:20px;}
.app.playing .keyboardView{gap:6px;}
.app.playing .keyCap{height:40px;font-size:18px;border-radius:10px;}
.app.playing .centerMsg{font-size:30px;}
@media(max-height:780px){
  .app.playing .gamePanel{padding:12px;}
  .compactHeader h2{font-size:22px!important;}
  .compactHeader p{font-size:11px!important;}
  .stageMini{padding:8px 12px;min-width:134px;}
  .gameWorkspace{grid-template-columns:202px minmax(0,1fr);gap:10px;}
  .gameSideRail{gap:6px;}
  .gameSideRail .hud{gap:5px;}
  .gameSideRail .hud>div{min-height:30px;padding:6px 9px;}
  .gameSideRail .hud b{font-size:15px;}
  .sideMini{padding:8px 9px;}
  .sideItems{max-height:92px;}
  .sideReport{min-height:66px;}
  .app.playing .playArea{height:calc(100vh - 176px);min-height:390px;}
  .inputDock{grid-template-columns:minmax(0,1fr) 104px 170px 104px;margin-top:8px;}
  .inputDock input{font-size:22px;padding:15px 16px;}
  .inputDock .primary,.inputDock .ghost{height:58px;}
  .inputDock .startButton{font-size:21px;}
  .app.playing .targetText{font-size:30px;min-height:106px;padding:20px;}
  .app.playing .meaningGlow{font-size:22px;min-height:68px;padding:16px 18px;}
  .app.playing .trainerStats>div{padding:8px 10px;}
  .app.playing .keyCap{height:34px;font-size:16px;}
}


/* v18 final UX correction: keep primary Start next to the typing input */
.inputDock{grid-template-columns:minmax(0,1fr) 196px 112px 112px!important;}
.inputDock .startButton{order:0;}
.inputDock #submitBtn{order:0;}
.inputDock #pauseBtn{order:0;}
@media(max-height:780px){.inputDock{grid-template-columns:minmax(0,1fr) 184px 104px 104px!important;}}

/* v18 final layout lock: game screen must fit without page scroll */
body.playing, body.game-active{overflow:hidden!important;}
.app.playing{height:100vh!important;max-width:1440px!important;padding:12px 16px!important;overflow:hidden!important;}
.app.playing .topbar{display:none!important;}
.app.playing .languageGate,.app.playing .hero,.app.playing .setup{display:none!important;}
.app.playing .gamePanel{height:calc(100vh - 24px)!important;min-height:0!important;max-height:none!important;margin:0!important;padding:14px!important;display:flex!important;flex-direction:column!important;overflow:hidden!important;border-radius:28px!important;}
.app.playing .compactHeader{flex:0 0 auto!important;margin-bottom:10px!important;display:flex!important;align-items:center!important;justify-content:space-between!important;}
.app.playing .gameWorkspace{display:grid!important;grid-template-columns:214px minmax(0,1fr)!important;gap:12px!important;flex:1 1 auto!important;min-height:0!important;}
.app.playing .gameSideRail{display:flex!important;flex-direction:column!important;gap:8px!important;min-height:0!important;overflow:hidden!important;}
.app.playing .gameMain{display:flex!important;flex-direction:column!important;min-height:0!important;}
.app.playing .gameMain>.stageProgress{flex:0 0 auto!important;height:9px!important;margin:0 0 9px!important;}
.app.playing .playArea{flex:1 1 auto!important;height:auto!important;min-height:0!important;max-height:none!important;overflow:hidden!important;border-radius:26px!important;}
.app.playing #gameCanvas{width:100%!important;height:100%!important;display:block!important;}
.app.playing .inputDock{flex:0 0 auto!important;display:grid!important;grid-template-columns:minmax(0,1fr) 196px 112px 112px!important;gap:10px!important;margin-top:10px!important;}
.app.playing .inputDock input,.app.playing .inputDock .primary,.app.playing .inputDock .ghost{height:64px!important;min-height:64px!important;border-radius:22px!important;}
.app.playing .inputDock .startButton{font-size:23px!important;}
.app.playing .gameSideRail .hud{display:grid!important;grid-template-columns:1fr!important;gap:6px!important;margin:0!important;}
.app.playing .gameSideRail .hud>div{display:flex!important;align-items:center!important;justify-content:space-between!important;min-height:34px!important;padding:7px 10px!important;}
.app.playing .stageMini{display:block!important;}
@media(max-height:760px){.app.playing{padding:8px 10px!important}.app.playing .gamePanel{height:calc(100vh - 16px)!important;padding:10px!important}.app.playing .gameWorkspace{grid-template-columns:198px minmax(0,1fr)!important;gap:9px!important}.app.playing .compactHeader{margin-bottom:6px!important}.app.playing .compactHeader p{display:none!important}.app.playing .sideItems{max-height:78px!important}.app.playing .sideCombo{max-height:92px!important}.app.playing .inputDock{grid-template-columns:minmax(0,1fr) 176px 100px 100px!important;gap:8px!important;margin-top:8px!important}.app.playing .inputDock input,.app.playing .inputDock .primary,.app.playing .inputDock .ghost{height:56px!important;min-height:56px!important}.app.playing .inputDock .startButton{font-size:21px!important}}

/* v22 design refresh: clearer play hierarchy and distinct feedback states */
.app{--mode-main:#2563eb;--mode-soft:#dbeafe;--mode-wash:#f8fbff;--mode-accent:#22c55e}
.app[data-mode="meaning"],.app[data-mode="koMeaning"],.app[data-mode="quoteTyping"]{--mode-main:#7c3aed;--mode-soft:#ede9fe;--mode-wash:#fbf8ff;--mode-accent:#06b6d4}
.app[data-mode="beat"]{--mode-main:#4f46e5;--mode-soft:#e0e7ff;--mode-wash:#f8f7ff;--mode-accent:#f59e0b}
.app[data-mode="defense"]{--mode-main:#0f766e;--mode-soft:#ccfbf1;--mode-wash:#f7fffd;--mode-accent:#ef4444}
.app[data-mode="bubble"],.app[data-mode="travelTyping"]{--mode-main:#0284c7;--mode-soft:#e0f2fe;--mode-wash:#f7fcff;--mode-accent:#38bdf8}
.app[data-mode="boss"]{--mode-main:#7c2d12;--mode-soft:#ffedd5;--mode-wash:#fff9f4;--mode-accent:#dc2626}
.app[data-mode="brick"]{--mode-main:#b45309;--mode-soft:#fef3c7;--mode-wash:#fffaf0;--mode-accent:#2563eb}
.app[data-mode="puzzle"]{--mode-main:#6d28d9;--mode-soft:#ede9fe;--mode-wash:#fbf8ff;--mode-accent:#22c55e}
.app.playing .gamePanel{background:linear-gradient(180deg,#fff,var(--mode-wash))!important;border-color:color-mix(in srgb,var(--mode-main) 20%,#dbeafe)!important}
.app.playing .gameHeader h2{color:#0f172a!important}
.app.playing .gameHeader h2::after{content:"";display:block;width:58px;height:4px;margin-top:8px;border-radius:999px;background:linear-gradient(90deg,var(--mode-main),var(--mode-accent))}
.app.playing .stageMini{border-color:color-mix(in srgb,var(--mode-main) 25%,#dbeafe)!important;background:linear-gradient(180deg,#fff,var(--mode-wash))!important}
.app.playing .stageMini b{color:var(--mode-main)!important}
.app.playing .gameSideRail{border:1px solid color-mix(in srgb,var(--mode-main) 16%,#e2eaf5)!important;background:linear-gradient(180deg,rgba(255,255,255,.96),var(--mode-wash))!important;border-radius:24px!important;padding:10px!important}
.app.playing .hudMetric{position:relative;overflow:hidden;border-color:#e5edf8!important;background:#fff!important;box-shadow:none!important;transition:transform .16s ease,border-color .16s ease,background .16s ease}
.app.playing .hudMetric::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:#e2e8f0}
.app.playing .hudMetric.isPrimary{min-height:46px!important;border-color:color-mix(in srgb,var(--mode-main) 34%,#dbeafe)!important;background:linear-gradient(180deg,#fff,var(--mode-wash))!important}
.app.playing .hudMetric.isPrimary::before{background:linear-gradient(90deg,var(--mode-main),var(--mode-accent))}
.app.playing .hudMetric.isPrimary b{font-size:20px!important;color:var(--mode-main)!important}
.app.playing .hudMetric.isAccent{border-color:color-mix(in srgb,var(--mode-accent) 36%,#dbeafe)!important}
.app.playing .hudMetric.isAccent::before{background:var(--mode-accent)}
.app.playing .hudMetric.isDanger::before{background:#ef4444}
.app.playing .hudMetric.isDanger b{color:#b91c1c!important}
.app.playing .hudScore,.app.playing .hudPoints,.app.playing .hudMulti,.app.playing .hudCorrect{opacity:.88}
.app.playing .stageProgress{height:11px!important;background:#e5edf8!important;border:1px solid #dbeafe!important;box-shadow:inset 0 1px 2px rgba(15,23,42,.05)}
.app.playing .stageProgressBar{background:linear-gradient(90deg,var(--mode-main),var(--mode-accent))!important}
.app.playing .playArea{position:relative;border-color:color-mix(in srgb,var(--mode-main) 18%,#dbeafe)!important;background:linear-gradient(180deg,#fff,var(--mode-wash))!important;box-shadow:inset 0 0 0 1px rgba(255,255,255,.86),0 16px 34px rgba(22,37,69,.08)!important}
.app.playing .playArea::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;border-radius:inherit;box-shadow:inset 0 0 0 2px var(--mode-main),0 0 38px color-mix(in srgb,var(--mode-main) 30%,transparent);transition:opacity .18s ease}
.app.playing .playArea.fx-success::after,.app.playing .playArea.fx-item::after,.app.playing .playArea.fx-combo::after,.app.playing .playArea.fx-clear::after{animation:playFlash .58s ease}
.app.playing .playArea.fx-error::after{box-shadow:inset 0 0 0 2px #ef4444,0 0 38px rgba(239,68,68,.2);animation:playFlash .45s ease}
.app.playing .centerMsg{border-radius:18px!important;padding:14px 20px!important;border:1px solid color-mix(in srgb,var(--mode-main) 24%,#dbeafe)!important;box-shadow:0 22px 48px rgba(15,23,42,.18)!important;background:rgba(255,255,255,.96)!important}
.app.playing .centerMsg.effect-error{border-color:#fecaca!important;background:#fff7f7!important}
.app.playing .centerMsg.effect-combo{border-color:#bfdbfe!important;background:linear-gradient(135deg,#eff6ff,#fff)!important}
.app.playing .centerMsg.effect-item{border-color:color-mix(in srgb,var(--mode-accent) 45%,#dbeafe)!important;background:linear-gradient(135deg,#fff,var(--mode-wash))!important}
.app.playing .centerMsg.effect-clear{border-color:#facc15!important;background:linear-gradient(135deg,#fffbeb,#fff)!important}
.app.playing .inputDock input{border-color:#d8e2ef!important;transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease}
.app.playing .inputDock input:focus{border-color:var(--mode-main)!important;box-shadow:0 0 0 4px color-mix(in srgb,var(--mode-main) 16%,transparent),0 12px 24px rgba(15,23,42,.06)!important}
.app.playing .inputDock input.inputFx{animation:inputPulse .38s ease}
.app.playing .inputDock input.inputFxError{border-color:#ef4444!important;animation:inputShake .36s ease;box-shadow:0 0 0 4px rgba(239,68,68,.12)!important}
.app.playing .inputDock .startButton{background:linear-gradient(135deg,var(--mode-main),color-mix(in srgb,var(--mode-main) 74%,#111827))!important;box-shadow:0 16px 34px color-mix(in srgb,var(--mode-main) 24%,transparent)!important}
.app.playing .inputDock #submitBtn{background:linear-gradient(135deg,#16a34a,#0f766e)!important;box-shadow:0 12px 26px rgba(22,163,74,.18)!important}
.app.playing .sideMini{border-color:#e5edf8!important;background:rgba(255,255,255,.88)!important;box-shadow:none!important}
.app.playing .sideMini h3{display:flex;align-items:center;gap:7px}
.app.playing .sideMini h3::before{content:"";width:8px;height:8px;border-radius:99px;background:var(--mode-main)}
.app.playing .targetText{border-color:color-mix(in srgb,var(--mode-main) 20%,#dbeafe)!important;box-shadow:0 14px 30px rgba(22,37,69,.08)!important}
.app.playing .meaningGlow{border-color:#dce7f4!important;background:linear-gradient(180deg,#f8fafc,#fff)!important}
.resultGrid{grid-template-columns:repeat(3,minmax(0,1fr))}
.resultGrid>div{border-radius:14px!important;background:linear-gradient(180deg,#fff,#f8fafc)!important}
.resultGrid>div:nth-child(-n+3){border-color:#bfdbfe!important;background:linear-gradient(180deg,#eff6ff,#fff)!important}
@keyframes playFlash{0%{opacity:0}18%{opacity:1}100%{opacity:0}}
@keyframes inputPulse{0%{transform:scale(1)}40%{transform:scale(1.012)}100%{transform:scale(1)}}
@keyframes inputShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@media(max-height:760px){
  .app.playing .hudMetric.isPrimary{min-height:38px!important}
  .app.playing .hudMetric.isPrimary b{font-size:17px!important}
  .app.playing .sideMini h3{margin-bottom:5px}
}

/* v22 public release guardrails */
.noticeBtn{border-color:#c7d2fe!important;background:linear-gradient(180deg,#fff,#eef2ff)!important;color:#3730a3!important}
.noticeBtn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(79,70,229,.12)}
.noticeModalBox{width:min(860px,calc(100vw - 36px));max-height:calc(100vh - 64px);overflow:auto}
.noticeModalBox h2{margin-bottom:14px}
.noticeGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
.noticeGrid section{border:1px solid #e2e8f0;border-radius:14px;background:linear-gradient(180deg,#fff,#f8fafc);padding:15px 16px}
.noticeGrid h3{font-size:15px;margin:0 0 8px;color:#0f172a;letter-spacing:0}
.noticeGrid p{font-size:13px;line-height:1.62;margin:0;color:#475569;word-break:keep-all}
.noticeFine{margin:14px 0 0;padding:12px 14px;border-radius:13px;background:#fffbeb;border:1px solid #fde68a;color:#78350f;font-size:13px;line-height:1.6;word-break:keep-all}
@media(max-width:760px){
  .noticeGrid{grid-template-columns:1fr}
  .noticeModalBox{width:calc(100vw - 24px)}
}

/* public footer */
.siteFooter{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:22px 2px 0;padding:16px 18px;border:1px solid #e2e8f0;border-radius:22px;background:rgba(255,255,255,.82);box-shadow:0 10px 26px rgba(15,23,42,.055);color:#475569;font-size:12px;line-height:1.55}
.siteFooter div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.siteFooter b{color:#0f172a;font-size:13px}
.siteFooter a{color:#1d4ed8;font-weight:850;text-decoration:none}
.siteFooter a:hover{text-decoration:underline}
.app.playing .siteFooter{display:none!important}
@media(max-width:860px){
  .siteFooter{align-items:flex-start;flex-direction:column}
  .siteFooter div{align-items:flex-start}
}

/* v22 readability guard: explanatory text should wrap, not disappear */
.courseBtn,.setupCard,.heroText,.heroCard,.compactHeader,.compactGameHeader{overflow:visible!important}
.courseBtn small,.courseBtn em,.sectionTitle p,.hero p,.gateIntro p,.languageCard small,.difficultySummary,.countLine,.modeHint,#activeDesc,.compactHeader p,.compactGameHeader p,.stageInfo p,.stageInfo small,.stageInfoText p,.stageInfoText small,.noticeGrid p,.noticeFine,.siteFooter span,.siteFooter a{
  white-space:normal!important;
  overflow:visible!important;
  text-overflow:clip!important;
  max-width:none!important;
  word-break:keep-all;
  overflow-wrap:anywhere;
}
.app.playing .compactHeader p,.app.playing .compactGameHeader p{display:block!important;line-height:1.35!important}
@media(max-height:760px){
  .app.playing .compactHeader p,.app.playing .compactGameHeader p{display:block!important;font-size:10.5px!important;line-height:1.25!important;margin-top:3px!important}
  .app.playing .compactHeader,.app.playing .compactGameHeader{align-items:flex-start!important}
}