:root{--bg:#030508;--bg-scope:#020407;--green:#0f8;--green-dim:#00ff8873;--green-faint:#00ff8814;--text:#e8ebf0e0;--text-dim:#e8ebf052;--text-faint:#e8ebf01a;--border:#ffffff0f;--border-active:#00ff884d;--card-bg:#ffffff05;--card-hover:#00ff8807;color:var(--text);background:var(--bg);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-family:ui-monospace,SF Mono,Fira Code,Cascadia Code,monospace;font-size:14px;line-height:1.55}[data-theme=light]{--bg:#f0ede6;--bg-scope:#eceae3;--green:#007a38;--green-dim:#007a3873;--green-faint:#007a381a;--text:#0a0f1ee0;--text-dim:#0a0f1e73;--text-faint:#0a0f1e38;--border:#0000001a;--border-active:#007a3866;--card-bg:#00000005;--card-hover:#007a380a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}body{background:var(--bg);background-image:linear-gradient(var(--green-faint) 1px, transparent 1px), linear-gradient(90deg, var(--green-faint) 1px, transparent 1px);background-size:48px 48px;margin:0;transition:background-color .3s,color .3s}h1,h2,h3,p{margin:0}button{font-family:inherit;font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0}#root{width:100%;min-height:100svh}.start-screen{flex-direction:column;max-width:1080px;height:100svh;margin:0 auto;padding:0 28px;display:flex;position:relative;overflow:hidden}.site-header{flex-shrink:0;justify-content:space-between;align-items:center;padding:clamp(12px,2.2vh,22px) 0;display:flex}.header-mark{letter-spacing:.35em;color:var(--green);text-transform:uppercase;font-size:11px}.header-right{align-items:center;gap:14px;display:flex}.header-ver{color:var(--text-dim);letter-spacing:.08em;font-size:11px}.theme-toggle{border:1px solid var(--border);background:var(--card-bg);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;transition:border-color .25s,background .25s;display:flex}.theme-toggle svg{width:14px;height:14px;stroke:var(--text-dim);transition:stroke .25s}.theme-toggle:hover{border-color:var(--border-active);background:var(--card-hover)}.theme-toggle:hover svg{stroke:var(--green)}.hero-section{text-align:center;flex-shrink:0;padding:clamp(16px,5vh,64px) 0 clamp(12px,3.5vh,44px)}.game-title{letter-spacing:-.03em;color:var(--text);text-shadow:0 0 100px 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.2s}.back-btn:hover{color:var(--green)}.game-screen{flex-direction:column;flex:1;min-height:0;padding-bottom:clamp(12px,2vh,24px);display:flex}.phase-listen,.phase-guess,.phase-result{flex-direction:column;flex:1;min-height:0;display:flex}.phase-label{letter-spacing:.22em;color:var(--text-dim);text-transform:lowercase;text-align:center;flex-shrink:0;margin-bottom:clamp(4px,1vh,12px);font-size:10px}.countdown{letter-spacing:-.04em;color:var(--green);text-align:center;font-variant-numeric:tabular-nums;text-shadow:0 0 60px #00ff8840;flex-shrink:0;font-size:clamp(80px,22vh,180px);font-weight:800;line-height:1}[data-theme=light] .countdown{text-shadow:none}.game-canvas-wrap{flex:1;min-height:0}.freq-canvas{width:100%;height:100%;display:block}.slider-section{flex-shrink:0;padding:clamp(12px,2vh,24px) 0 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