.rb-head{padding-bottom:20px}
.rb-shell{width:min(1280px,calc(100% - 32px));margin:0 auto}
.rb-frame{position:relative;aspect-ratio:16/9;max-height:calc(100svh - 110px);min-height:480px;width:100%;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#0b0c0f;user-select:none;-webkit-user-select:none;isolation:isolate}
.rb-frame [hidden]{display:none!important}
.rb-frame:fullscreen{aspect-ratio:auto;max-height:none;height:100%;border-radius:0;border:0}
.rb-frame.is-max{position:fixed;inset:0;z-index:60;aspect-ratio:auto;max-height:none;min-height:0;border-radius:0;border:0}
.rb-stage{position:absolute;inset:0}
.rb-stage canvas{display:block;width:100%;height:100%;touch-action:none;outline:none;cursor:crosshair}
.rb-stage canvas:focus-visible{box-shadow:inset 0 0 0 3px var(--accent)}
.rb-hud{position:absolute;inset:0;pointer-events:none;z-index:2;color:var(--text);font-family:var(--body)}
.rb-hud button{pointer-events:auto}
.has-overlay .rb-hud{visibility:hidden}
.rb-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:14px 16px 28px;background:linear-gradient(#0b0c0fcc,#0b0c0f00)}
.rb-level{display:flex;flex-direction:column;gap:2px;min-width:0}
.rb-level #rb-level-name{font:800 20px/1.15 var(--display);letter-spacing:-.01em;text-shadow:0 1px 3px #000a}
.rb-sub{font:12px/1.3 var(--mono);color:var(--muted)}
.rb-meter{display:flex;align-items:center;gap:8px;padding-top:4px}
.rb-meter-bar{position:relative;width:220px;height:8px;border-radius:99px;background:#ffffff1f}
.rb-meter-bar i{position:absolute;inset:0 auto 0 0;width:0;border-radius:inherit;background:var(--accent);transition:width .25s ease}
.rb-meter-bar b{position:absolute;top:-4px;width:3px;height:16px;margin-left:-1.5px;border-radius:2px;background:#ffffff70}
.rb-meter-bar b.is-hit{background:var(--accent);box-shadow:0 0 8px var(--accent)}
#rb-pct{font:700 16px/1 var(--body);font-variant-numeric:tabular-nums;min-width:3.2ch;text-align:right}
.rb-icons{display:flex;gap:8px}
.rb-icon{display:grid;place-items:center;min-width:40px;height:40px;padding:0 10px;border-radius:99px;border:1px solid var(--line);background:#12151ad9;color:var(--text);cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.rb-icon svg{width:20px;height:20px}
.rb-icon.rb-text{font:500 14px/1 var(--body)}
.rb-icon:hover,.rb-icon:focus-visible{border-color:var(--accent);color:var(--accent)}
#rb-sound .mute{display:none}
#rb-sound.is-off .mute{display:inline}
#rb-sound.is-off .wave{display:none}
.rb-toast{position:absolute;left:50%;top:76px;transform:translate(-50%,-6px);max-width:min(92%,520px);margin:0;padding:10px 16px;border-radius:8px;background:#12151ae6;border:1px solid var(--line);font-size:15px;line-height:1.4;text-align:center;opacity:0;transition:opacity .25s ease,transform .25s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.rb-toast.is-on{opacity:1;transform:translate(-50%,0)}
.rb-bottom{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:28px 16px 14px;background:linear-gradient(#0b0c0f00,#0b0c0fcc)}
.rb-tools,.rb-actions{display:flex;gap:8px;flex-wrap:wrap}
.rb-tool{display:flex;align-items:center;gap:8px;height:46px;padding:0 12px 0 10px;border-radius:99px;border:1px solid var(--line);background:#12151ad9;color:var(--text);font:500 15px/1 var(--body);cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.rb-tool svg{width:22px;height:22px;flex:none}
.rb-tool .rb-count{display:inline-grid;place-items:center;min-width:24px;height:24px;padding:0 6px;border-radius:99px;background:#ffffff14;font:700 13px/1 var(--mono);font-variant-numeric:tabular-nums}
.rb-tool.is-on{border-color:var(--accent);background:#1d2410e6;color:var(--accent)}
.rb-tool.is-on .rb-count{background:var(--accent);color:var(--accent-ink)}
.rb-tool:disabled{opacity:.42;cursor:default}
.rb-tool:not(:disabled):hover{border-color:var(--accent)}
.rb-tool:focus-visible,.rb-btn:focus-visible,.rb-card:focus-visible,.rb-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.rb-btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:99px;border:1px solid var(--line);background:#12151ad9;color:var(--text);font:500 15px/1 var(--body);cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.rb-btn:hover{border-color:var(--accent);color:var(--accent)}
.rb-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
.rb-btn.primary:hover{background:#d4ff52;color:var(--accent-ink)}
.rb-btn.big{height:50px;padding:0 22px;font-size:16px}
.rb-btn:disabled{opacity:.6;cursor:progress}
#rb-detonate span{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:99px;background:var(--accent-ink);color:var(--accent);font:700 12px/1 var(--mono)}
.rb-overlay{position:absolute;inset:0;z-index:5;display:grid;place-items:center;padding:20px;overflow:auto;background:#0b0c0fb8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.rb-title-screen{background:#0b0c0f;place-items:end start;padding:28px}
.rb-title-art{position:absolute;inset:0}
.rb-title-art img{width:100%;height:100%;object-fit:cover;object-position:62% 50%;opacity:.95}
.rb-title-screen::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b0c0fe6 0%,#0b0c0f99 38%,#0b0c0f00 70%)}
.rb-panel{position:relative;z-index:1;width:100%;max-width:460px;padding:24px;border-radius:10px;background:#12151af0;border:1px solid var(--line)}
.rb-title-screen .rb-panel{background:transparent;border:0;padding:0;max-width:440px}
.rb-panel.wide{max-width:780px}
.rb-panel h2{font:800 clamp(28px,4vw,44px)/1.05 var(--display);margin:6px 0 12px;letter-spacing:-.02em}
.rb-title-screen h2{font-size:clamp(44px,7vw,80px)}
.rb-panel h3{font:700 18px/1.2 var(--body);margin:22px 0 4px}
.rb-panel p{color:#d6d9d3;margin:0 0 14px;font-size:16px;line-height:1.5}
.rb-panel .rb-note{color:var(--muted);font-size:14px}
.rb-panel pre{font:14px/1.5 var(--mono);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:12px 14px;white-space:pre-wrap;margin:0 0 16px;color:var(--text)}
.rb-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.rb-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.rb-panel-head h2{margin:0}
.rb-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.rb-card{display:grid;gap:4px;text-align:left;padding:14px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--text);cursor:pointer;font-family:var(--body)}
.rb-card:hover:not(:disabled){border-color:var(--accent)}
.rb-card:disabled{opacity:.45;cursor:not-allowed}
.rb-card-no{font:12px var(--mono);color:var(--muted)}
.rb-card-name{font:700 16px/1.25 var(--body)}
.rb-card-stars{font:15px/1 var(--mono);color:var(--accent);letter-spacing:.1em}
.rb-card:disabled .rb-card-stars{color:var(--muted);letter-spacing:0;font-size:13px}
.rb-chips{display:flex;flex-wrap:wrap;gap:8px}
.rb-chip{padding:9px 14px;border-radius:99px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:500 14px/1 var(--body);cursor:pointer}
.rb-chip:hover{border-color:var(--accent);color:var(--accent)}
.rb-stars{font:32px/1 var(--mono);color:var(--accent);letter-spacing:.12em;margin:0 0 4px!important}
.rb-info{padding-top:48px}
.play-hub{display:grid;gap:24px}
@media (max-width:760px){
  .rb-shell{width:100%}
  .rb-frame{aspect-ratio:auto;height:calc(100svh - 72px);min-height:520px;max-height:820px;border-radius:0;border-left:0;border-right:0}
  .rb-top{flex-wrap:wrap;padding:12px 12px 24px}
  .rb-meter{order:3;width:100%}
  .rb-meter-bar{flex:1;width:auto}
  .rb-tool .rb-tool-name{display:none}
  .rb-tool{padding:0 10px}
  .rb-bottom{padding:24px 12px 12px}
  .rb-btn{height:40px;padding:0 13px;font-size:14px}
  .rb-toast{top:112px;font-size:14px}
  .rb-title-screen{padding:20px;place-items:end stretch}
  .rb-title-screen::after{background:linear-gradient(0deg,#0b0c0ff2 0%,#0b0c0fb3 45%,#0b0c0f00 75%)}
  .rb-title-art img{object-position:50% 30%}
}
@media (prefers-reduced-motion:reduce){.rb-toast,.rb-meter-bar i{transition:none}}