.demo-stage_stage__YrgHu{--rows:9;position:relative;overflow:hidden;aspect-ratio:16/9;border-radius:var(--radius-lg);background:var(--color-nuit-deep);isolation:isolate}.demo-stage_video__B_wni{position:absolute;inset:0;background:50%/cover no-repeat;background-image:url(https://img.youtube.com/vi/fJ9rUzIMcZQ/hqdefault.jpg);filter:saturate(.6) brightness(.45)}.demo-stage_video__B_wni:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,10,42,.55),rgba(14,10,42,.15) 35%,rgba(14,10,42,.15) 65%,rgba(14,10,42,.8))}.demo-stage_timeline__YVkzU{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:64%;z-index:2}.demo-stage_lines__cIuJL{position:absolute;inset:0;background-image:repeating-linear-gradient(180deg,rgba(255,244,232,.06) 0 1px,transparent 1px 100%);background-size:100% calc(100% / var(--rows))}.demo-stage_now__gyATk{position:absolute;top:-6%;bottom:-6%;left:30%;width:3px;background:rgba(255,244,232,.45);box-shadow:-1px 0 0 rgba(0,0,0,.5),1px 0 0 rgba(255,244,232,.18),0 0 18px rgba(255,244,232,.12)}.demo-stage_now__gyATk:after,.demo-stage_now__gyATk:before{content:"";position:absolute;left:50%;transform:translateX(-50%);border:8px solid transparent}.demo-stage_now__gyATk:before{top:-10px;border-top:10px solid rgba(255,244,232,.7)}.demo-stage_now__gyATk:after{bottom:-10px;border-bottom:10px solid rgba(255,244,232,.7)}.demo-stage_notes__9mvnK{position:absolute;inset:0;width:200%;animation:demo-stage_scroll__r_vAN 12s linear infinite}.demo-stage_note__AeVMb{position:absolute;height:calc(100% / var(--rows) - 4px);border-radius:var(--radius-pill);background:var(--color-note-idle);box-shadow:inset 0 0 0 2px var(--color-note-idle-edge)}.demo-stage_lyric__fwD8N{position:absolute;left:10px;top:50%;transform:translateY(-50%);font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);line-height:1;white-space:nowrap;color:rgba(255,244,232,.7)}.demo-stage_good__seH_B{background:var(--color-neon);box-shadow:none}.demo-stage_good__seH_B .demo-stage_lyric__fwD8N,.demo-stage_perfect__aACZ4 .demo-stage_lyric__fwD8N{color:var(--color-nuit-deep)}.demo-stage_perfect__aACZ4{background:var(--color-or);box-shadow:var(--shadow-glow-or)}.demo-stage_cursor__QzziL{position:absolute;left:30%;top:48%;width:22px;height:22px;transform:translate(-50%,-50%);border-radius:50%;background:var(--color-neon);box-shadow:var(--shadow-glow-neon);z-index:3;animation:demo-stage_wander__h_XDT 12s ease-in-out infinite}.demo-stage_cursor__QzziL:before{content:"";position:absolute;right:50%;top:50%;transform:translateY(-50%);width:90px;height:10px;border-radius:var(--radius-pill);background:linear-gradient(90deg,transparent,rgba(61,242,210,.6))}.demo-stage_hud__u1wU0{position:absolute;inset:0;z-index:4;pointer-events:none}.demo-stage_score__tYbRy{position:absolute;top:16px;right:20px;text-align:right;font-family:var(--font-display);font-weight:700;font-size:var(--text-2xl);line-height:1;font-variant-numeric:tabular-nums}.demo-stage_combo__fZPS6{position:absolute;top:9%;left:50%;translate:-50% 0;font-family:var(--font-display);font-weight:700;font-size:var(--text-2xl);line-height:1;color:var(--color-or);text-align:center;text-shadow:0 0 24px rgba(255,197,61,.5);animation:demo-stage_pop__rTtOH 3s var(--ease-pop) infinite}.demo-stage_combo__fZPS6 small{display:block;margin-top:2px;font-size:var(--text-sm);color:rgba(255,244,232,.7);text-shadow:none}.demo-stage_judge__uRdSw{position:absolute;top:16%;left:30%;translate:-50% 0;font-family:var(--font-display);font-weight:700;font-size:var(--text-lg);color:var(--color-or);opacity:0;animation:demo-stage_judge__uRdSw 3s var(--ease-out) infinite}@keyframes demo-stage_scroll__r_vAN{to{transform:translateX(-50%)}}@keyframes demo-stage_wander__h_XDT{0%{top:62%}15%{top:48%}30%{top:55%}45%{top:34%}60%{top:41%}80%{top:27%}to{top:62%}}@keyframes demo-stage_pop__rTtOH{0%{scale:.5}10%,to{scale:1}}@keyframes demo-stage_judge__uRdSw{0%{opacity:0;transform:translateY(10px)}5%{opacity:1}23%{opacity:0;transform:translateY(-40px)}to{opacity:0;transform:translateY(-40px)}}@media (max-width:480px){.demo-stage_combo__fZPS6,.demo-stage_score__tYbRy{font-size:var(--text-xl)}.demo-stage_lyric__fwD8N{font-size:var(--text-xs);left:6px}}@media (prefers-reduced-motion:reduce){.demo-stage_combo__fZPS6,.demo-stage_cursor__QzziL,.demo-stage_notes__9mvnK{animation:none}.demo-stage_judge__uRdSw{display:none}}