:root{--bg-color:#121213;--surface-color:#18181b;--surface-border:#27272a;--text-primary:#fff;--text-secondary:#d4d4d8;--text-muted:#71717a;--color-correct:#398874;--color-present:#820458;--color-absent:#27272a;--color-empty-border:#ffffff1f;--color-filled-border:#ffffff61;--key-bg:#3f3f46;--key-op-bg:#4b4b53;--key-bg-hover:#52525b;--key-text:#fff;--header-height:54px;--font-family:"Outfit", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);touch-action:manipulation;flex-direction:column;align-items:center;min-height:100dvh;display:flex;overflow-x:hidden}#app{width:100%;max-width:500px;height:100dvh;padding-top:max(var(--discord-safe-area-inset-top,0px), env(safe-area-inset-top,0px));padding-bottom:max(var(--discord-safe-area-inset-bottom,0px), env(safe-area-inset-bottom,0px));padding-left:max(var(--discord-safe-area-inset-left,0px), env(safe-area-inset-left,0px));padding-right:max(var(--discord-safe-area-inset-right,0px), env(safe-area-inset-right,0px));flex-direction:column;display:flex;position:relative}@media (width<=640px){html.in-discord #app{padding-top:max(var(--discord-safe-area-inset-top,0px), env(safe-area-inset-top,0px), 54px)}}.header{height:var(--header-height);min-height:var(--header-height);border-bottom:1px solid var(--surface-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;background:#121213f2;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 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.65rem;font-size:.72rem;font-weight:700;transition:opacity .15s}.practice-banner-btn:hover{opacity:.9}.game-container{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:clamp(10px,2vh,18px);width:100%;max-width:460px;margin:0 auto;padding:6px 10px clamp(8px,2vh,16px);display:flex;overflow:hidden}.board-wrap{justify-content:center;align-items:center;width:100%;max-width:430px;display:flex}.board{flex-direction:column;gap:clamp(4px,.8vh,6px);width:100%;display:flex}.row{grid-template-columns:repeat(8,1fr);gap:clamp(4px,1vw,6px);width:100%;display:grid}.row.shake{animation:.5s shake}.tile{aspect-ratio:1;border:2px solid var(--color-empty-border);font-size:clamp(1.1rem,3.8vw,1.55rem);font-weight:800;font-family:var(--font-mono);color:var(--text-primary);background:#ffffff08;border-radius:6px;justify-content:center;align-items:center;transition:transform .15s cubic-bezier(.175,.885,.32,1.275),border-color 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2px;display:flex}.kb-row{justify-content:center;gap:clamp(3px,.9vw,5px);width:100%;display:flex}.kb-key{background-color:var(--key-bg);height:clamp(48px,6.8vh,58px);color:var(--key-text);font-size:clamp(1.1rem,2.8vw,1.35rem);font-weight:700;font-family:var(--font-mono);cursor:pointer;border:none;border-radius:6px;flex:1;justify-content:center;align-items:center;min-width:0;transition:transform 80ms,background-color .15s,filter .15s;display:flex;box-shadow:0 2px 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