:root{--paper: #fdf6ec;--ink: #4a3b2c;--ink-soft: #8a7a66;--card: #ffffff;--line: #eadfce;--accent: #e8865a;--accent-soft: #f8d8c4;--ok: #5c9e52;--err: #d64545;--key: #fffdf7;--key-active: #ffe3b3}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--ink);font-family:Nunito,Noto Sans,Noto Sans Khmer,Segoe UI,system-ui,sans-serif;background:radial-gradient(circle at 20% 10%,#fdeed8 0%,transparent 55%),radial-gradient(circle at 85% 12%,#fbe4d0 0%,transparent 50%),var(--paper)}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:14px;padding:12px 18px;background:#fffdf7e6;border-bottom:2px dashed var(--line)}.topbar h1{font-size:20px;margin:0;color:var(--ink)}.topbar h1 .sub{font-size:12px;color:var(--ink-soft);font-weight:400}.hud{display:flex;gap:14px;font-size:13px;color:var(--ink-soft);margin-left:auto;flex-wrap:wrap}.hud span{background:var(--card);border:1.5px solid var(--line);border-radius:999px;padding:4px 12px}.lang-toggle{display:flex;gap:6px}.lang-toggle button,.ghost,button.primary,.panel-actions button{background:var(--card);color:var(--ink);border:2px solid var(--line);border-radius:12px;padding:7px 14px;cursor:pointer;font-size:13px;font-weight:600;transition:transform .08s,box-shadow .08s}.lang-toggle button:hover,.ghost:hover{box-shadow:0 2px 0 var(--line)}.lang-toggle button.on{background:var(--accent);border-color:var(--accent);color:#fff}.ghost{margin-right:4px}.menu-app{padding-bottom:24px}.menu-app .topbar{justify-content:space-between}.level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;padding:22px;max-width:1100px;margin:0 auto;width:100%}.level-card{position:relative;display:block;text-align:left;background:var(--card);border:2px solid var(--line);border-radius:18px;padding:0;overflow:hidden;cursor:pointer;color:var(--ink);transition:transform .1s,box-shadow .1s;box-shadow:0 3px 0 var(--line)}.level-card:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 7px 0 var(--line)}.level-card:disabled{opacity:.55;cursor:not-allowed}.level-card .art{height:120px;width:100%;background-size:cover;background-position:center 68%;filter:saturate(1.05)}.level-card .lc-body{padding:12px 14px 14px}.lc-title{font-weight:800;font-size:15px}.lc-desc{font-size:12.5px;color:var(--ink-soft);margin-top:3px}.lc-best{font-size:12px;margin-top:8px;color:var(--accent);font-weight:700}.menu-hint{color:var(--ink-soft);font-size:13px;text-align:center;padding:0 20px}.play-main{flex:1;display:flex;flex-direction:column;min-height:0;padding:10px 18px 14px;gap:10px}.game-canvas{width:100%;height:34vh;display:block;border-radius:20px;border:3px solid #fff;box-shadow:0 6px 24px #7855322e}.text-display{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:14px 18px;overflow-y:auto;max-height:17vh;line-height:2;font-size:20px}.text-display.km-text{font-size:24px;line-height:2.15}.ch.todo{color:#b9a88f}.ch.ok{color:var(--ok)}.ch.err{color:var(--err);text-decoration:underline wavy}.ch.cur{color:var(--ink);background:var(--key-active);border-radius:5px;box-shadow:0 0 0 2px var(--accent-soft)}.nida-hint{font-size:12.5px;color:#a04;background:#ffe8ec;border:1.5px dashed #f3b3c0;padding:5px 12px;border-radius:10px;align-self:center}.keyboard{position:relative;background:linear-gradient(#fbf3e4,#f7ecd8);border:2px solid var(--line);border-radius:18px;padding:12px 14px 14px;-webkit-user-select:none;user-select:none;box-shadow:0 4px 0 var(--line)}.kb-row{display:flex;gap:6px;margin:5px 0}.key{position:relative;flex:1 1 0;min-width:0;height:46px;background:var(--key);border-radius:9px;border:1.5px solid var(--line);box-shadow:0 2px 0 var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:15px;color:var(--ink);transition:background .07s,transform .07s}.key .kb-alt{font-size:10px;color:var(--ink-soft);position:absolute;top:3px;right:5px}.key-wide{flex:1.7!important;font-size:11px;color:var(--ink-soft)}.key-space{flex:5!important}.kb-bottom{margin-top:2px}.key-active{background:var(--key-active);border-color:var(--accent);box-shadow:0 2px 0 var(--accent),0 0 14px var(--accent-soft)}.key-pressed{transform:translateY(2px);box-shadow:none}.f-pL,.f-pR{background:linear-gradient(#fffdf7,#fdf3ef)}.f-rL,.f-rR{background:linear-gradient(#fffdf7,#fdf7ee)}.f-mL,.f-mR{background:linear-gradient(#fffdf7,#fbf6e8)}.f-iL,.f-iR{background:linear-gradient(#fffdf7,#f6f8ea)}.key-active.f-pL,.key-active.f-pR{background:#fbdcd2}.key-active.f-mL,.key-active.f-mR{background:#fbf0cf}.key-active.f-iL,.key-active.f-iR{background:#e9f3d2}.kb-hands{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:3}.hand{position:absolute;bottom:6px;width:200px;height:150px;opacity:.62}.hand-L{left:6%}.hand-R{right:6%;transform:scaleX(-1)}.hand .palm{fill:#f3c9a4;fill-opacity:.55;stroke:#c8956c;stroke-width:1.2}.hand .finger{fill:#f6d3ae;fill-opacity:.6;stroke:#c8956c;stroke-width:1;transition:fill .08s}.hand .finger-active{fill:#ff9f68;fill-opacity:.95;stroke:#d96a2e;filter:drop-shadow(0 0 5px rgba(232,134,90,.85))}.hand .finger-err{fill:#ff7b7b;stroke:#c92a2a;filter:drop-shadow(0 0 5px rgba(214,69,69,.9))}.hidden-input{position:absolute;opacity:0;width:10px;height:10px;left:-9999px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#5a3c1e59;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:50}.panel{background:var(--paper);border:3px solid #fff;border-radius:22px;padding:28px 36px;text-align:center;min-width:330px;box-shadow:0 16px 48px #5a3c1e59}.panel h2{margin:0 0 4px;color:var(--ink)}.panel p{color:var(--ink-soft);margin:2px 0}.stats{display:flex;gap:28px;justify-content:center;margin:18px 0}.stats b{font-size:26px;display:block;color:var(--accent)}.stats small{color:var(--ink-soft)}.panel-actions{display:flex;gap:10px;justify-content:center}.panel-actions .primary{background:var(--accent);border-color:var(--accent);color:#fff}