@media (min-width:1500px) {
  .controls { padding-inline: 27px; }
  .pad { width: 246px; grid-template-rows: repeat(3,69px); }
  .step-art { width: 70px; height: 70px; }
  .pad-caption { width: 246px; }
  .guide>div { padding-block: 16px; }
  .guide p { font-size: 12px; }
}
@media (max-width:1100px) {
  .controls { padding-inline: 16px; }
  .controls h2 { font-size: 30px; }
  .pad { width: 210px; grid-template-rows: repeat(3,58px); }
  .step-art { width: 59px; height: 59px; }
  .pad-caption { width: 210px; }
  .guide>div { padding-block: 10px; }
  .tracks { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .catalog h2 { font-size: 22px; }
  .icon-button { font-size: 9px; padding-inline: 7px; }
}
@media (max-width:920px) {
  .site-header { gap: 14px; padding-inline: 22px; }
  .brand { font-size: 26px; gap: 7px; }
  .brand-icon { font-size: 16px; padding-right: 10px; }
  .header-actions { gap: 9px; }
  nav { gap: 8px; }
  nav :is(a,button) { padding: 8px 12px; font-size: 10px; }
  .controls { padding: 20px 25px; }
  .controls h2 { margin-top: 17px; }
  .guide>div { padding-block: 15px; }
  .guide p { font-size: 12px; }
  .back-hint { margin-top: 18px; }
  .catalog { margin-top: 30px; }
  .catalog-heading { padding: 15px 18px; }
  .catalog-heading .eyebrow { font-size: 7px; }
  .search { width: 210px; }
  .catalog h2 { font-size: 21px; }
}
@media (max-width:650px) {
  .site-header { margin: 10px 8px 0; min-height: 61px; padding-inline: 16px; gap: 10px; }
  .brand { font-size: 23px; gap: 5px; letter-spacing: 1px; }
  .brand-icon { display: none; }
  nav { gap: 7px; }
  nav :is(a,button) { font-size: 9px; letter-spacing: 0; padding: 7px 11px; }
  nav :is(a,button) span[aria-hidden] { display: none; }
  .header-actions { gap: 8px; }
  .language-switch button { padding-inline: 5px; }
  main { padding: 0 15px; }
  .edition-heading { padding-block: 21px 16px; }
  .breadcrumb { gap: 10px; font-size: 10px; }
  .breadcrumb h1 { font-size: 19px; }
  .overlay-content { padding: 20px; }
  .arcade-title { margin-block: 12px 23px; }
  .original-logo { width: min(80%,320px); }
  .play-button { min-width: 170px; font-size: 23px; padding-block: 14px; }
  .overlay-content p { font-size: 11px; margin-top: 15px; }
  .player-toolbar { padding-inline: 10px; gap: 8px; }
  .icon-button { font-size: 8px; padding-inline: 6px; }
  .player-actions { gap: 6px; }
  #state { font-size: 9px; }
  .controls { padding-inline: 18px; }
  .controls h2 { font-size: 28px; }
  .pad { width: 180px; grid-template-rows: repeat(3,53px); }
  .step-art { width: 55px; height: 55px; }
  .pad-caption { width: 180px; font-size: 7px; letter-spacing: 1px; }
  .pad-key b { font-size: 15px; min-width: 21px; height: 22px; }
  .guide p { font-size: 11px; }
  .guide strong { font-size: 11px; }
  .guide>div { gap: 8px; padding-block: 12px; }
  .guide>div>b { flex-basis: 18px; height: 18px; font-size: 9px; }
  .catalog { padding: 15px 12px; }
  .catalog-heading { flex-direction: column; align-items: stretch; border-radius: 22px; gap: 15px; padding: 17px; }
  .catalog h2 { font-size: 25px; }
  .search { width: 100%; }
  .catalog-caption { flex-direction: column; align-items: start; gap: 7px; font-size: 9px; }
  .tracks { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px 9px; }
  .track-info { padding-inline: 8px; }
  .track h3 { font-size: 11px; }
  .editions-grid { grid-template-columns: 1fr; }
  .library-heading { padding-block: 45px 25px; }
  .load-symbol { display: none; }
  .overlay-content h2 { font-size: 24px; }
  .load-progress,.load-steps { margin-top: 16px; }
  .overlay-content .load-note { margin-top: 14px; }
  #loading-content { padding-block: 16px; }
  #loading-content h2 { font-size: 23px; margin-top: 10px; }
}
@media (max-width:440px) {
  .site-header { flex-wrap: wrap; justify-content: center; border-radius: 25px; padding-block: 10px; }
  .header-actions { width: 100%; justify-content: center; }
  .controls { display: block; padding: 18px 21px; }
  .controls h2 { font-size: 32px; }
  .pad { width: 228px; grid-template-rows: repeat(3,63px); }
  .step-art { width: 64px; height: 64px; }
  .pad-caption { width: 228px; font-size: 8px; margin-bottom: 20px; }
  .guide { border-top: 1px solid var(--line); }
  .guide p { font-size: 12px; }
  .guide strong { font-size: 13px; }
  .guide>div { padding-block: 15px; }
  .tracks { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .catalog h2 { font-size: 22px; }
  .filter-chip { font-size: 10px; padding: 7px 11px; }
  .overlay-content { padding: 15px; }
  .overlay-content .load-note { display: none; }
  .load-symbol { display: none; }
  .load-steps li span { font-size: 9px; }
  .progress-meta { font-size: 9px; }
  .player-actions .icon-button { font-size: 0; gap: 0; padding-inline: 10px; }
  .icon-button>span[aria-hidden] { font-size: 18px; }
}
.stage.expanded,.stage:fullscreen { position: fixed; inset: 0; width: 100vw; height: 100dvh; aspect-ratio: auto; z-index: 1000; background: #06070a; border: 0; border-radius: 0; }
.stage:is(.expanded,:fullscreen) { display: flex; flex-direction: column; padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
.stage:is(.expanded,:fullscreen) .game-screen { flex: 1 1 0; width: 100%; min-height: 0; aspect-ratio: auto; }
.stage:is(.expanded,:fullscreen) .touch-controls { flex: 0 0 auto; width: 100%; }
.stage:is(.expanded,:fullscreen)[data-touch=on] { justify-content: center; }
.stage:is(.expanded,:fullscreen)[data-touch=on] .game-screen { flex: 0 1 auto; aspect-ratio: 4/3; max-height: calc(100% - min(260px,37dvh) - 24px); }
@media (max-width:700px) {
  main { padding-inline: max(10px,env(safe-area-inset-left)); }
  .edition-heading { padding-block: 16px 12px; }
  .player { padding: 3px; border-radius: 15px; }
  .player-toolbar { min-height: 48px; padding-top: 12px; }
  .icon-button,.volume-button { min-width: 40px; min-height: 40px; }
  .player-actions { gap: 1px; }
  .volume-control:is(:hover,:focus-within) #volume { width: 52px; margin-inline: 4px; }
  .volume-control #volume { width: 52px; margin-inline: 4px; }
  .game-screen .overlay-content { max-width: 100%; padding: 12px; }
  .game-screen .original-logo { max-height: min(150px,30vw); }
  .game-screen .arcade-title { font-size: 32px; margin-block: 8px 14px; }
  .game-screen .play-button { padding-block: 12px; font-size: 23px; min-width: 145px; }
  .game-screen .overlay-content p { margin-top: 10px; font-size: 10px; }
  .game-screen #loading-content { padding: 12px 16px; }
  .game-screen .load-steps { margin-top: 10px; }
  .login-main { padding: 24px 14px; }
  .login-card { padding: 24px; }
}
@media (orientation:landscape) and (max-height:550px) {
  .stage:is(.expanded,:fullscreen) #loading-content .load-symbol,.stage:is(.expanded,:fullscreen) #loading-content .load-note { display: none; }
  .stage:is(.expanded,:fullscreen) #loading-content { padding: 12px; }
  .stage:is(.expanded,:fullscreen) #loading-content h2 { margin-top: 8px; font-size: 22px; }
  .stage:is(.expanded,:fullscreen) .load-progress,.stage:is(.expanded,:fullscreen) .load-steps { margin-top: 10px; }
}
@media (orientation:landscape) {
  .stage[data-touch=on] #touch-layout { display: grid; }
  .stage:is(.expanded,:fullscreen)[data-touch=on] { flex-direction: row; }
  .stage:is(.expanded,:fullscreen)[data-touch=on] .game-screen { flex: 1 1 0; width: 0; height: 100%; max-height: none; aspect-ratio: auto; }
  .stage:is(.expanded,:fullscreen)[data-touch=on] .touch-controls { width: clamp(154px,24vw,250px); height: 100%; padding: 10px; border: 0; }
  .stage:is(.expanded,:fullscreen)[data-session=playing][data-touch=on][data-touch-layout=cross] .game-screen::after { inset: 0 0 0 auto; width: 18px; height: auto; background: linear-gradient(90deg,transparent,#06070a); }
  .stage:is(.expanded,:fullscreen) .touch-pad { width: min(100%,230px,76dvh); }
  .stage:is(.expanded,:fullscreen)[data-touch=on][data-touch-layout=row] .touch-controls { position: absolute; z-index: 3; inset: auto 0 0; width: 100%; height: auto; padding: 14px max(18px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left)); border: 0; background: linear-gradient(transparent,#0005); pointer-events: none; }
  .stage:is(.expanded,:fullscreen)[data-touch-layout=row] .touch-pad { width: min(100%,calc((100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom))*4/3)); height: clamp(54px,23dvh,90px); aspect-ratio: auto; grid-template-columns: repeat(5,minmax(44px,90px)); grid-template-rows: minmax(0,1fr); justify-content: center; gap: clamp(6px,2vw,18px); }
  .stage:is(.expanded,:fullscreen)[data-touch-layout=row] .touch-key { grid-area: auto; aspect-ratio: 1; max-height: 100%; justify-self: center; width: min(100%,23dvh,90px); background: transparent; border-color: transparent; pointer-events: auto; filter: drop-shadow(0 2px 3px #000b); }
  .stage:is(.expanded,:fullscreen)[data-touch-layout=row] .touch-key.is-pressed { border-color: #ffffff70; background: #ffffff12; box-shadow: 0 0 18px #ffffff12; }
  .stage:is(.expanded,:fullscreen)[data-touch-layout=row] .player-toolbar { inset: 0 0 auto; padding: 8px 16px 20px; background: linear-gradient(#0009,transparent); }
  .stage:is(.expanded,:fullscreen)[data-touch-layout=row] .player-toolbar button::after { bottom: auto; top: calc(100% + 8px); }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}