@import "https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Noto+Sans+KR:wght@300;400;700&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#080810;--surface:#10101c;--border:#1c1c2e;--blue:#4fc3f7;--white:#e8e8ff;--red:#ff4d6d;--green:#69ff85;--yellow:#ffd60a;--dim:#44445a;--text:#b8b8d8}body{background:var(--bg);color:var(--text);justify-content:center;align-items:center;height:100vh;font-family:Noto Sans KR,sans-serif;display:flex;overflow:hidden}body:after{content:"";pointer-events:none;z-index:0;background-image:linear-gradient(#4fc3f705 1px,#0000 1px),linear-gradient(90deg,#4fc3f705 1px,#0000 1px);background-size:48px 48px;position:fixed;inset:0}#app{z-index:1;flex-direction:row;width:100vw;height:100vh;display:flex;position:relative}.left-col{border-right:1px solid var(--border);background:var(--surface);flex-direction:column;flex-shrink:0;width:33vw;display:flex}.hud{border-bottom:1px solid 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Han Sans,sans-serif;font-size:clamp(13px,1.8vh,20px)}.slots{background:var(--border);flex:none;grid-template-rows:repeat(2,14.4vh);grid-template-columns:repeat(4,1fr);gap:1px;margin:1.8vh 1.6vw;display:grid}.slot{background:var(--surface);cursor:default;flex-direction:column;justify-content:center;align-items:center;gap:6px;transition:background .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.slot-num{color:var(--dim);font-family:Black Han Sans,sans-serif;font-size:clamp(8px,1vh,12px);position:absolute;top:.8vh;left:.8vw}.slot-text{letter-spacing:1px;color:var(--white);font-family:Black Han Sans,sans-serif;font-size:clamp(14px,3vh,36px)}.slot-hint{letter-spacing:1px;color:var(--dim);font-size:clamp(8px,1vh,12px)}.slot.s-hidden .slot-text,.slot.s-hidden .slot-hint{opacity:0}.slot.s-active{box-shadow:inset 0 0 0 2px var(--yellow);background:#ffd60a0f}.slot.s-active:after{content:"";border:2px solid var(--yellow);opacity:0;animation:.45s ease-out forwards 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frog-flash-anim{0%{background:#69ff8573}to{background:#69ff8500}}.overlay{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#080810f5;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:fixed;inset:0}.overlay.hidden{display:none}.ov-title{letter-spacing:6px;background:linear-gradient(135deg, var(--blue), var(--white));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-family:Black Han Sans,sans-serif;font-size:48px}.ov-score{color:var(--yellow);text-shadow:0 0 40px #ffd60a60;font-family:Black Han Sans,sans-serif;font-size:64px}.ov-detail{letter-spacing:2px;color:var(--dim);gap:28px;font-size:13px;display:flex}.ov-detail b{color:var(--text)}.ov-note{color:var(--dim);letter-spacing:2px;text-align:center;border:1px solid var(--border);background:var(--surface);padding:16px 32px;font-size:12px;line-height:2.2}.ov-actions{gap:10px;display:flex}.overlay .btn{border:1px solid var(--border);padding:14px 36px;font-size:15px}.overlay .btn-start{border-color:var(--yellow);color:var(--yellow)}.overlay .btn-start:hover{box-shadow:0 0 20px #ffd60a45}.overlay .btn:not(.btn-start):hover{border-color:var(--dim);color:var(--text)}#roundAnnounce{letter-spacing:6px;color:var(--green);text-shadow:0 0 40px #69ff8580,0 0 80px #69ff8530;opacity:0;pointer-events:none;z-index:200;white-space:nowrap;font-family:Black Han Sans,sans-serif;font-size:clamp(32px,6vw,80px);transition:opacity .3s;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}#roundAnnounce.show{opacity:1}.metronome{flex-direction:column;justify-content:flex-end;align-items:center;width:100%;height:100%;padding-bottom:20px;display:flex;position:relative}.metro-pivot{background:var(--dim);border-radius:50%;width:10px;height:10px;position:absolute;bottom:28px}.metro-arm{background:linear-gradient(to top, var(--blue), var(--dim));transform-origin:bottom;border-radius:2px;width:3px;transition:transform 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